// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Zebra dataplane layer.
* Copyright (c) 2018 Volta Networks, Inc.
* Portions:
* Copyright (c) 2021 The MITRE Corporation.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "lib/libfrr.h"
#include "lib/debug.h"
#include "lib/frratomic.h"
#include "lib/frr_pthread.h"
#include "lib/memory.h"
#include "lib/zebra.h"
#include "zebra/netconf_netlink.h"
#include "zebra/zebra_router.h"
#include "zebra/zebra_dplane.h"
#include "zebra/zebra_vxlan_private.h"
#include "zebra/zebra_mpls.h"
#include "zebra/rt.h"
#include "zebra/debug.h"
#include "zebra/zebra_pbr.h"
#include "zebra/zebra_neigh.h"
#include "zebra/zebra_tc.h"
#include "printfrr.h"
/* Memory types */
DEFINE_MTYPE_STATIC(ZEBRA, DP_CTX, "Zebra DPlane Ctx");
DEFINE_MTYPE_STATIC(ZEBRA, DP_INTF, "Zebra DPlane Intf");
DEFINE_MTYPE_STATIC(ZEBRA, DP_PROV, "Zebra DPlane Provider");
DEFINE_MTYPE_STATIC(ZEBRA, DP_NETFILTER, "Zebra Netfilter Internal Object");
DEFINE_MTYPE_STATIC(ZEBRA, DP_NS, "DPlane NSes");
#ifndef AOK
# define AOK 0
#endif
/*
* Dataplane API version. This must be updated when any incompatible changes
* are made. The minor version (at least) should be updated when new APIs
* are introduced.
*/
static uint32_t zdplane_version = MAKE_FRRVERSION(2, 0, 0);
/* Control for collection of extra interface info with route updates; a plugin
* can enable the extra info via a dplane api.
*/
static bool dplane_collect_extra_intf_info;
/* Enable test dataplane provider */
/*#define DPLANE_TEST_PROVIDER 1 */
/* Default value for max queued incoming updates */
const uint32_t DPLANE_DEFAULT_MAX_QUEUED = 200;
/* Default value for new work per cycle */
const uint32_t DPLANE_DEFAULT_NEW_WORK = 100;
/* Validation check macro for context blocks */
/* #define DPLANE_DEBUG 1 */
#ifdef DPLANE_DEBUG
# define DPLANE_CTX_VALID(p) \
assert((p) != NULL)
#else
# define DPLANE_CTX_VALID(p)
#endif /* DPLANE_DEBUG */
/*
* Nexthop information captured for nexthop/nexthop group updates
*/
struct dplane_nexthop_info {
uint32_t id;
uint32_t old_id;
afi_t afi;
vrf_id_t vrf_id;
int type;
struct nexthop_group ng;
struct nh_grp nh_grp[MULTIPATH_NUM];
uint8_t nh_grp_count;
};
/*
* Optional extra info about interfaces used in route updates' nexthops.
*/
struct dplane_intf_extra {
vrf_id_t vrf_id;
uint32_t ifindex;
uint32_t flags;
uint32_t status;
struct dplane_intf_extra_list_item dlink;
};
/*
* Route information captured for route updates.
*/
struct dplane_route_info {
/* Dest and (optional) source prefixes */
struct prefix zd_dest;
struct prefix zd_src;
afi_t zd_afi;
safi_t zd_safi;
int zd_type;
int zd_old_type;
route_tag_t zd_tag;
route_tag_t zd_old_tag;
uint32_t zd_metric;
uint32_t zd_old_metric;
uint16_t zd_instance;
uint16_t zd_old_instance;
uint8_t zd_distance;
uint8_t zd_old_distance;
uint32_t zd_mtu;
uint32_t zd_nexthop_mtu;
uint32_t zd_flags;
/* Nexthop hash entry info */
struct dplane_nexthop_info nhe;
/* Nexthops */
uint32_t zd_nhg_id;
struct nexthop_group zd_ng;
/* Backup nexthops (if present) */
struct nexthop_group backup_ng;
/* "Previous" nexthops, used only in route updates without netlink */
struct nexthop_group zd_old_ng;
struct nexthop_group old_backup_ng;
/* Optional list of extra interface info */
struct dplane_intf_extra_list_head intf_extra_list;
};
/*
* Pseudowire info for the dataplane
*/
struct dplane_pw_info {
int type;
int af;
int status;
uint32_t flags;
uint32_t nhg_id;
union g_addr dest;
mpls_label_t local_label;
mpls_label_t remote_label;
/* Nexthops that are valid and installed */
struct nexthop_group fib_nhg;
/* Primary and backup nexthop sets, copied from the resolving route. */
struct nexthop_group primary_nhg;
struct nexthop_group backup_nhg;
union pw_protocol_fields fields;
};
/*
* Bridge port info for the dataplane
*/
struct dplane_br_port_info {
uint32_t sph_filter_cnt;
struct in_addr sph_filters[ES_VTEP_MAX_CNT];
/* DPLANE_BR_PORT_XXX - see zebra_dplane.h*/
uint32_t flags;
uint32_t backup_nhg_id;
};
/*
* Interface/prefix info for the dataplane
*/
struct dplane_intf_info {
enum zebra_iftype zif_type;
ifindex_t bond_ifindex;
ifindex_t link_ifindex;
int32_t mtu;
vrf_id_t vrf_id;
enum zebra_slave_iftype zif_slave_type;
ifindex_t master_ifindex;
ifindex_t bridge_ifindex;
ns_id_t link_nsid;
enum zebra_slave_iftype zslave_type;
uint8_t bypass;
enum zebra_link_type zltype;
bool startup;
uint8_t family;
struct zebra_vxlan_vni_array *vniarray;
bool no_bvinfo_avail;
bool no_afspec_avail;
struct zebra_dplane_bridge_vlan_info bvinfo;
struct zebra_dplane_bridge_vlan_info_array *bvarray;
char desc[128];
int32_t hw_addr_len;
uint8_t hw_addr[INTERFACE_HWADDR_MAX];
uint32_t table_id;
struct zebra_l2info_bridge binfo;
struct zebra_l2info_vlan vinfo;
struct zebra_l2info_vxlan vxinfo;
struct zebra_l2info_gre grinfo;
uint32_t rc_bitfield;
uint32_t txqlen;
uint32_t metric;
uint32_t flags;
bool protodown;
bool protodown_set;
bool pd_reason_val;
#define DPLANE_INTF_CONNECTED (1 << 0) /* Connected peer, p2p */
#define DPLANE_INTF_SECONDARY (1 << 1)
#define DPLANE_INTF_BROADCAST (1 << 2)
#define DPLANE_INTF_HAS_DEST DPLANE_INTF_CONNECTED
#define DPLANE_INTF_HAS_LABEL (1 << 4)
#define DPLANE_INTF_NOPREFIXROUTE (1 << 5)
/* Interface address/prefix */
struct prefix prefix;
/* Dest address, for p2p, or broadcast prefix */
struct prefix dest_prefix;
char *label;
char label_buf[32];
};
/*
* EVPN MAC address info for the dataplane.
*/
struct dplane_mac_info {
vlanid_t vid;
ifindex_t br_ifindex;
struct ethaddr mac;
vni_t vni;
struct in_addr vtep_ip;
bool is_sticky;
uint32_t nhg_id;
uint32_t update_flags;
};
/*
* Neighbor info for the dataplane
*/
struct dplane_neigh_info {
struct ipaddr ip_addr;
union {
struct ethaddr mac;
struct ipaddr ip_addr;
} link;
vni_t vni;
uint32_t flags;
uint16_t state;
uint32_t update_flags;
};
/*
* Neighbor Table
*/
struct dplane_neigh_table {
uint8_t family;
uint32_t app_probes;
uint32_t ucast_probes;
uint32_t mcast_probes;
};
/*
* Policy based routing rule info for the dataplane
*/
struct dplane_ctx_rule {
struct pbr_rule prule;
struct ethaddr smac;
struct ethaddr dmac;
int out_ifindex;
intptr_t dp_flow_ptr;
};
struct dplane_rule_info {
/*
* Originating zclient sock fd, so we can know who to send
* back to.
*/
int sock;
int unique;
int seq;
struct dplane_ctx_rule new;
struct dplane_ctx_rule old;
};
struct dplane_gre_ctx {
uint32_t link_ifindex;
unsigned int mtu;
struct zebra_l2info_gre info;
};
/*
* Network interface configuration info - aligned with netlink's NETCONF
* info. The flags values are public, in the dplane.h file...
*/
struct dplane_netconf_info {
enum dplane_netconf_status_e mpls_val;
enum dplane_netconf_status_e mcast_val;
enum dplane_netconf_status_e linkdown_val;
};
struct dplane_tc_qdisc_info {
enum tc_qdisc_kind kind;
const char *kind_str;
};
struct dplane_tc_class_info {
uint32_t handle;
enum tc_qdisc_kind kind;
const char *kind_str;
uint64_t rate;
uint64_t ceil;
};
struct dplane_tc_filter_info {
uint32_t handle;
uint16_t priority;
enum tc_filter_kind kind;
const char *kind_str;
uint32_t filter_bm;
uint16_t eth_proto;
uint8_t ip_proto;
struct prefix src_ip;
struct prefix dst_ip;
uint16_t src_port_min;
uint16_t src_port_max;
uint16_t dst_port_min;
uint16_t dst_port_max;
uint8_t dsfield;
uint8_t dsfield_mask;
uint32_t classid;
};
/*
* SRv6 encapsulation params context for the dataplane
*/
struct dplane_srv6_encap_ctx {
struct in6_addr srcaddr;
};
/*
* The context block used to exchange info about route updates across
* the boundary between the zebra main context (and pthread) and the
* dataplane layer (and pthread).
*/
struct zebra_dplane_ctx {
/* Operation code */
enum dplane_op_e zd_op;
/* Status on return */
enum zebra_dplane_result zd_status;
/* Dplane provider id */
uint32_t zd_provider;
/* Flags - used by providers, e.g. */
int zd_flags;
bool zd_is_update;
uint32_t zd_seq;
uint32_t zd_old_seq;
/* Some updates may be generated by notifications: allow the
* plugin to notice and ignore results from its own notifications.
*/
uint32_t zd_notif_provider;
/* TODO -- internal/sub-operation status? */
enum zebra_dplane_result zd_remote_status;
enum zebra_dplane_result zd_kernel_status;
vrf_id_t zd_vrf_id;
uint32_t zd_table_id;
char zd_ifname[IFNAMSIZ];
ifindex_t zd_ifindex;
/* Support info for different kinds of updates */
union {
struct dplane_route_info rinfo;
struct zebra_lsp lsp;
struct dplane_pw_info pw;
struct dplane_br_port_info br_port;
struct dplane_intf_info intf;
struct dplane_mac_info macinfo;
struct dplane_neigh_info neigh;
struct dplane_rule_info rule;
struct dplane_tc_qdisc_info tc_qdisc;
struct dplane_tc_class_info tc_class;
struct dplane_tc_filter_info tc_filter;
struct zebra_pbr_iptable iptable;
struct zebra_pbr_ipset ipset;
struct {
struct zebra_pbr_ipset_entry entry;
struct zebra_pbr_ipset_info info;
} ipset_entry;
struct dplane_neigh_table neightable;
struct dplane_gre_ctx gre;
struct dplane_netconf_info netconf;
enum zebra_dplane_startup_notifications spot;
struct dplane_srv6_encap_ctx srv6_encap;
} u;
/* Namespace info, used especially for netlink kernel communication */
struct zebra_dplane_info zd_ns_info;
/* Embedded list linkage */
struct dplane_ctx_list_item zd_entries;
};
/* Flag that can be set by a pre-kernel provider as a signal that an update
* should bypass the kernel.
*/
#define DPLANE_CTX_FLAG_NO_KERNEL 0x01
/* List types declared now that the structs involved are defined. */
DECLARE_DLIST(dplane_ctx_list, struct zebra_dplane_ctx, zd_entries);
DECLARE_DLIST(dplane_intf_extra_list, struct dplane_intf_extra, dlink);
/* List for dplane plugins/providers */
PREDECL_DLIST(dplane_prov_list);
/*
* Registration block for one dataplane provider.
*/
struct zebra_dplane_provider {
/* Name */
char dp_name[DPLANE_PROVIDER_NAMELEN + 1];
/* Priority, for ordering among providers */
uint8_t dp_priority;
/* Id value */
uint32_t dp_id;
/* Mutex */
pthread_mutex_t dp_mutex;
/* Plugin-provided extra data */
void *dp_data;
/* Flags */
int dp_flags;
int (*dp_start)(struct zebra_dplane_provider *prov);
int (*dp_fp)(struct zebra_dplane_provider *prov);
int (*dp_fini)(struct zebra_dplane_provider *prov, bool early_p);
_Atomic uint32_t dp_in_counter;
_Atomic uint32_t dp_in_queued;
_Atomic uint32_t dp_in_max;
_Atomic uint32_t dp_out_counter;
_Atomic uint32_t dp_out_queued;
_Atomic uint32_t dp_out_max;
_Atomic uint32_t dp_error_counter;
/* Queue of contexts inbound to the provider */
struct dplane_ctx_list_head dp_ctx_in_list;
/* Queue of completed contexts outbound from the provider back
* towards the dataplane module.
*/
struct dplane_ctx_list_head dp_ctx_out_list;
/* Embedded list linkage for provider objects */
struct dplane_prov_list_item dp_link;
};
/* Declare list of providers/plugins */
DECLARE_DLIST(dplane_prov_list, struct zebra_dplane_provider, dp_link);
/* Declare types for list of zns info objects */
PREDECL_DLIST(zns_info_list);
struct dplane_zns_info {
struct zebra_dplane_info info;
/* Request data from the OS */
struct event *t_request;
/* Read event */
struct event *t_read;
/* List linkage */
struct zns_info_list_item link;
};
/*
* Globals
*/
static struct zebra_dplane_globals {
/* Mutex to control access to dataplane components */
pthread_mutex_t dg_mutex;
/* Results callback registered by zebra 'core' */
int (*dg_results_cb)(struct dplane_ctx_list_head *ctxlist);
/* Sentinel for beginning of shutdown */
volatile bool dg_is_shutdown;
/* Sentinel for end of shutdown */
volatile bool dg_run;
/* Update context queue inbound to the dataplane */
struct dplane_ctx_list_head dg_update_list;
/* Ordered list of providers */
struct dplane_prov_list_head dg_providers;
/* List of info about each zns */
struct zns_info_list_head dg_zns_list;
/* Counter used to assign internal ids to providers */
uint32_t dg_provider_id;
/* Limit number of pending, unprocessed updates */
_Atomic uint32_t dg_max_queued_updates;
/* Control whether system route notifications should be produced. */
bool dg_sys_route_notifs;
/* Limit number of new updates dequeued at once, to pace an
* incoming burst.
*/
uint32_t dg_updates_per_cycle;
_Atomic uint32_t dg_routes_in;
_Atomic uint32_t dg_routes_queued;
_Atomic uint32_t dg_routes_queued_max;
_Atomic uint32_t dg_route_errors;
_Atomic uint32_t dg_other_errors;
_Atomic uint32_t dg_nexthops_in;
_Atomic uint32_t dg_nexthop_errors;
_Atomic uint32_t dg_lsps_in;
_Atomic uint32_t dg_lsp_errors;
_Atomic uint32_t dg_pws_in;
_Atomic uint32_t dg_pw_errors;
_Atomic uint32_t dg_br_port_in;
_Atomic uint32_t dg_br_port_errors;
_Atomic uint32_t dg_intf_addrs_in;
_Atomic uint32_t dg_intf_addr_errors;
_Atomic uint32_t dg_intf_changes;
_Atomic uint32_t dg_intf_changes_errors;
_Atomic uint32_t dg_macs_in;
_Atomic uint32_t dg_mac_errors;
_Atomic uint32_t dg_neighs_in;
_Atomic uint32_t dg_neigh_errors;
_Atomic uint32_t dg_rules_in;
_Atomic uint32_t dg_rule_errors;
_Atomic uint32_t dg_update_yields;
_Atomic uint32_t dg_iptable_in;
_Atomic uint32_t dg_iptable_errors;
_Atomic uint32_t dg_ipset_in;
_Atomic uint32_t dg_ipset_errors;
_Atomic uint32_t dg_ipset_entry_in;
_Atomic uint32_t dg_ipset_entry_errors;
_Atomic uint32_t dg_neightable_in;
_Atomic uint32_t dg_neightable_errors;
_Atomic uint32_t dg_gre_set_in;
_Atomic uint32_t dg_gre_set_errors;
_Atomic uint32_t dg_intfs_in;
_Atomic uint32_t dg_intf_errors;
_Atomic uint32_t dg_tcs_in;
_Atomic uint32_t dg_tcs_errors;
_Atomic uint32_t dg_srv6_encap_srcaddr_set_in;
_Atomic uint32_t dg_srv6_encap_srcaddr_set_errors;
/* Dataplane pthread */
struct frr_pthread *dg_pthread;
/* Event-delivery context 'master' for the dplane */
struct event_loop *dg_master;
/* Event/'thread' pointer for queued updates */
struct event *dg_t_update;
/* Event pointer for pending shutdown check loop */
struct event *dg_t_shutdown_check;
} zdplane_info;
/* Instantiate zns list type */
DECLARE_DLIST(zns_info_list, struct dplane_zns_info, link);
/*
* Lock and unlock for interactions with the zebra 'core' pthread
*/
#define DPLANE_LOCK() pthread_mutex_lock(&zdplane_info.dg_mutex)
#define DPLANE_UNLOCK() pthread_mutex_unlock(&zdplane_info.dg_mutex)
/*
* Lock and unlock for individual providers
*/
#define DPLANE_PROV_LOCK(p) pthread_mutex_lock(&((p)->dp_mutex))
#define DPLANE_PROV_UNLOCK(p) pthread_mutex_unlock(&((p)->dp_mutex))
/* Prototypes */
static void dplane_thread_loop(struct event *event);
static enum zebra_dplane_result lsp_update_internal(struct zebra_lsp *lsp,
enum dplane_op_e op);
static enum zebra_dplane_result pw_update_internal(struct zebra_pw *pw,
enum dplane_op_e op);
static enum zebra_dplane_result intf_addr_update_internal(
const struct interface *ifp, const struct connected *ifc,
enum dplane_op_e op);
static enum zebra_dplane_result
mac_update_common(enum dplane_op_e op, const struct interface *ifp,
const struct interface *br_ifp, vlanid_t vid,
const struct ethaddr *mac, vni_t vni, struct in_addr vtep_ip,
bool sticky, uint32_t nhg_id, uint32_t update_flags);
static enum zebra_dplane_result
neigh_update_internal(enum dplane_op_e op, const struct interface *ifp,
const void *link, int link_family,
const struct ipaddr *ip, vni_t vni, uint32_t flags,
uint16_t state, uint32_t update_flags, int protocol);
/*
* Public APIs
*/
/* Access the dplane API version */
uint32_t zebra_dplane_get_version(void)
{
return zdplane_version;
}
/* Obtain thread_master for dataplane thread */
struct event_loop *dplane_get_thread_master(void)
{
return zdplane_info.dg_master;
}
/*
* Allocate a dataplane update context
*/
struct zebra_dplane_ctx *dplane_ctx_alloc(void)
{
struct zebra_dplane_ctx *p;
/* TODO -- just alloc'ing memory, but would like to maintain
* a pool
*/
p = XCALLOC(MTYPE_DP_CTX, sizeof(struct zebra_dplane_ctx));
return p;
}
/* Enable system route notifications */
void dplane_enable_sys_route_notifs(void)
{
zdplane_info.dg_sys_route_notifs = true;
}
/*
* Clean up dependent/internal allocations inside a context object
*/
static void dplane_ctx_free_internal(struct zebra_dplane_ctx *ctx)
{
struct dplane_intf_extra *if_extra;
/*
* Some internal allocations may need to be freed, depending on
* the type of info captured in the ctx.
*/
switch (ctx->zd_op) {
case DPLANE_OP_ROUTE_INSTALL:
case DPLANE_OP_ROUTE_UPDATE:
case DPLANE_OP_ROUTE_DELETE:
case DPLANE_OP_SYS_ROUTE_ADD:
case DPLANE_OP_SYS_ROUTE_DELETE:
case DPLANE_OP_ROUTE_NOTIFY:
/* Free allocated nexthops */
if (ctx->u.rinfo.zd_ng.nexthop) {
/* This deals with recursive nexthops too */
nexthops_free(ctx->u.rinfo.zd_ng.nexthop);
ctx->u.rinfo.zd_ng.nexthop = NULL;
}
/* Free backup info also (if present) */
if (ctx->u.rinfo.backup_ng.nexthop) {
/* This deals with recursive nexthops too */
nexthops_free(ctx->u.rinfo.backup_ng.nexthop);
ctx->u.rinfo.backup_ng.nexthop = NULL;
}
if (ctx->u.rinfo.zd_old_ng.nexthop) {
/* This deals with recursive nexthops too */
nexthops_free(ctx->u.rinfo.zd_old_ng.nexthop);
ctx->u.rinfo.zd_old_ng.nexthop = NULL;
}
if (ctx->u.rinfo.old_backup_ng.nexthop) {
/* This deals with recursive nexthops too */
nexthops_free(ctx->u.rinfo.old_backup_ng.nexthop);
ctx->u.rinfo.old_backup_ng.nexthop = NULL;
}
/* Optional extra interface info */
while ((if_extra = dplane_intf_extra_list_pop(
&ctx->u.rinfo.intf_extra_list)))
XFREE(MTYPE_DP_INTF, if_extra);
break;
case DPLANE_OP_NH_INSTALL:
case DPLANE_OP_NH_UPDATE:
case DPLANE_OP_NH_DELETE: {
if (ctx->u.rinfo.nhe.ng.nexthop) {
/* This deals with recursive nexthops too */
nexthops_free(ctx->u.rinfo.nhe.ng.nexthop);
ctx->u.rinfo.nhe.ng.nexthop = NULL;
}
break;
}
case DPLANE_OP_LSP_INSTALL:
case DPLANE_OP_LSP_UPDATE:
case DPLANE_OP_LSP_DELETE:
case DPLANE_OP_LSP_NOTIFY:
{
struct zebra_nhlfe *nhlfe;
/* Unlink and free allocated NHLFEs */
frr_each_safe(nhlfe_list, &ctx->u.lsp.nhlfe_list, nhlfe) {
nhlfe_list_del(&ctx->u.lsp.nhlfe_list, nhlfe);
zebra_mpls_nhlfe_free(nhlfe);
}
/* Unlink and free allocated backup NHLFEs, if present */
frr_each_safe(nhlfe_list,
&(ctx->u.lsp.backup_nhlfe_list), nhlfe) {
nhlfe_list_del(&ctx->u.lsp.backup_nhlfe_list,
nhlfe);
zebra_mpls_nhlfe_free(nhlfe);
}
/* Clear pointers in lsp struct, in case we're caching
* free context structs.
*/
nhlfe_list_init(&ctx->u.lsp.nhlfe_list);
ctx->u.lsp.best_nhlfe = NULL;
nhlfe_list_init(&ctx->u.lsp.backup_nhlfe_list);
break;
}
case DPLANE_OP_PW_INSTALL:
case DPLANE_OP_PW_UNINSTALL:
/* Free allocated nexthops */
if (ctx->u.pw.fib_nhg.nexthop) {
/* This deals with recursive nexthops too */
nexthops_free(ctx->u.pw.fib_nhg.nexthop);
ctx->u.pw.fib_nhg.nexthop = NULL;
}
if (ctx->u.pw.primary_nhg.nexthop) {
nexthops_free(ctx->u.pw.primary_nhg.nexthop);
ctx->u.pw.primary_nhg.nexthop = NULL;
}
if (ctx->u.pw.backup_nhg.nexthop) {
nexthops_free(ctx->u.pw.backup_nhg.nexthop);
ctx->u.pw.backup_nhg.nexthop = NULL;
}
break;
case DPLANE_OP_ADDR_INSTALL:
case DPLANE_OP_ADDR_UNINSTALL:
case DPLANE_OP_INTF_ADDR_ADD:
case DPLANE_OP_INTF_ADDR_DEL:
/* Maybe free label string, if allocated */
if (ctx->u.intf.label != NULL &&
ctx->u.intf.label != ctx->u.intf.label_buf) {
XFREE(MTYPE_DP_CTX, ctx->u.intf.label);
ctx->u.intf.label = NULL;
}
break;
case DPLANE_OP_MAC_INSTALL:
case DPLANE_OP_MAC_DELETE:
case DPLANE_OP_NEIGH_INSTALL:
case DPLANE_OP_NEIGH_UPDATE:
case DPLANE_OP_NEIGH_DELETE:
case DPLANE_OP_VTEP_ADD:
case DPLANE_OP_VTEP_DELETE:
case DPLANE_OP_RULE_ADD:
case DPLANE_OP_RULE_DELETE:
case DPLANE_OP_RULE_UPDATE:
case DPLANE_OP_NEIGH_DISCOVER:
case DPLANE_OP_BR_PORT_UPDATE:
case DPLANE_OP_NEIGH_IP_INSTALL:
case DPLANE_OP_NEIGH_IP_DELETE:
case DPLANE_OP_NONE:
case DPLANE_OP_IPSET_ADD:
case DPLANE_OP_IPSET_DELETE:
break;
case DPLANE_OP_INTF_INSTALL:
case DPLANE_OP_INTF_UPDATE:
if (ctx->u.intf.vniarray)
XFREE(MTYPE_TMP, ctx->u.intf.vniarray);
if (ctx->u.intf.bvarray)
XFREE(MTYPE_TMP, ctx->u.intf.bvarray);
break;
case DPLANE_OP_INTF_DELETE:
case DPLANE_OP_TC_QDISC_INSTALL:
case DPLANE_OP_TC_QDISC_UNINSTALL:
case DPLANE_OP_TC_CLASS_ADD:
case DPLANE_OP_TC_CLASS_DELETE:
case DPLANE_OP_TC_CLASS_UPDATE:
case DPLANE_OP_TC_FILTER_ADD:
case DPLANE_OP_TC_FILTER_DELETE:
case DPLANE_OP_TC_FILTER_UPDATE:
break;
case DPLANE_OP_IPSET_ENTRY_ADD:
case DPLANE_OP_IPSET_ENTRY_DELETE:
break;
case DPLANE_OP_NEIGH_TABLE_UPDATE:
break;
case DPLANE_OP_IPTABLE_ADD:
case DPLANE_OP_IPTABLE_DELETE:
if (ctx->u.iptable.interface_name_list)
list_delete(&ctx->u.iptable.interface_name_list);
break;
case DPLANE_OP_GRE_SET:
case DPLANE_OP_INTF_NETCONFIG:
case DPLANE_OP_STARTUP_STAGE:
case DPLANE_OP_SRV6_ENCAP_SRCADDR_SET:
break;
}
}
/*
* Free a dataplane results context.
*/
static void dplane_ctx_free(struct zebra_dplane_ctx **pctx)
{
if (pctx == NULL)
return;
DPLANE_CTX_VALID(*pctx);
/* TODO -- just freeing memory, but would like to maintain
* a pool
*/
/* Some internal allocations may need to be freed, depending on
* the type of info captured in the ctx.
*/
dplane_ctx_free_internal(*pctx);
XFREE(MTYPE_DP_CTX, *pctx);
}
/*
* Reset an allocated context object for re-use. All internal allocations are
* freed and the context is memset.
*/
void dplane_ctx_reset(struct zebra_dplane_ctx *ctx)
{
dplane_ctx_free_internal(ctx);
memset(ctx, 0, sizeof(*ctx));
}
/*
* Return a context block to the dplane module after processing
*/
void dplane_ctx_fini(struct zebra_dplane_ctx **pctx)
{
/* TODO -- maintain pool; for now, just free */
dplane_ctx_free(pctx);
}
/* Init a list of contexts */
void dplane_ctx_q_init(struct dplane_ctx_list_head *q)
{
dplane_ctx_list_init(q);
}
/* Enqueue a context block */
void dplane_ctx_enqueue_tail(struct dplane_ctx_list_head *list,
const struct zebra_dplane_ctx *ctx)
{
dplane_ctx_list_add_tail(list, (struct zebra_dplane_ctx *)ctx);
}
/* Append a list of context blocks to another list */
void dplane_ctx_list_append(struct dplane_ctx_list_head *to_list,
struct dplane_ctx_list_head *from_list)
{
struct zebra_dplane_ctx *ctx;
while ((ctx = dplane_ctx_list_pop(from_list)) != NULL)
dplane_ctx_list_add_tail(to_list, ctx);
}
struct zebra_dplane_ctx *dplane_ctx_get_head(struct dplane_ctx_list_head *q)
{
struct zebra_dplane_ctx *ctx = dplane_ctx_list_first(q);
return ctx;
}
/* Dequeue a context block from the head of a list */
struct zebra_dplane_ctx *dplane_ctx_dequeue(struct dplane_ctx_list_head *q)
{
struct zebra_dplane_ctx *ctx = dplane_ctx_list_pop(q);
return ctx;
}
/*
* Accessors for information from the context object
*/
enum zebra_dplane_result dplane_ctx_get_status(
const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->zd_status;
}
void dplane_ctx_set_status(struct zebra_dplane_ctx *ctx,
enum zebra_dplane_result status)
{
DPLANE_CTX_VALID(ctx);
ctx->zd_status = status;
}
/* Retrieve last/current provider id */
uint32_t dplane_ctx_get_provider(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->zd_provider;
}
/* Providers run before the kernel can control whether a kernel
* update should be done.
*/
void dplane_ctx_set_skip_kernel(struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
SET_FLAG(ctx->zd_flags, DPLANE_CTX_FLAG_NO_KERNEL);
}
bool dplane_ctx_is_skip_kernel(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return CHECK_FLAG(ctx->zd_flags, DPLANE_CTX_FLAG_NO_KERNEL);
}
void dplane_ctx_set_op(struct zebra_dplane_ctx *ctx, enum dplane_op_e op)
{
DPLANE_CTX_VALID(ctx);
ctx->zd_op = op;
}
enum dplane_op_e dplane_ctx_get_op(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->zd_op;
}
const char *dplane_op2str(enum dplane_op_e op)
{
const char *ret = "UNKNOWN";
switch (op) {
case DPLANE_OP_NONE:
ret = "NONE";
break;
/* Route update */
case DPLANE_OP_ROUTE_INSTALL:
ret = "ROUTE_INSTALL";
break;
case DPLANE_OP_ROUTE_UPDATE:
ret = "ROUTE_UPDATE";
break;
case DPLANE_OP_ROUTE_DELETE:
ret = "ROUTE_DELETE";
break;
case DPLANE_OP_ROUTE_NOTIFY:
ret = "ROUTE_NOTIFY";
break;
/* Nexthop update */
case DPLANE_OP_NH_INSTALL:
ret = "NH_INSTALL";
break;
case DPLANE_OP_NH_UPDATE:
ret = "NH_UPDATE";
break;
case DPLANE_OP_NH_DELETE:
ret = "NH_DELETE";
break;
case DPLANE_OP_LSP_INSTALL:
ret = "LSP_INSTALL";
break;
case DPLANE_OP_LSP_UPDATE:
ret = "LSP_UPDATE";
break;
case DPLANE_OP_LSP_DELETE:
ret = "LSP_DELETE";
break;
case DPLANE_OP_LSP_NOTIFY:
ret = "LSP_NOTIFY";
break;
case DPLANE_OP_PW_INSTALL:
ret = "PW_INSTALL";
break;
case DPLANE_OP_PW_UNINSTALL:
ret = "PW_UNINSTALL";
break;
case DPLANE_OP_SYS_ROUTE_ADD:
ret = "SYS_ROUTE_ADD";
break;
case DPLANE_OP_SYS_ROUTE_DELETE:
ret = "SYS_ROUTE_DEL";
break;
case DPLANE_OP_BR_PORT_UPDATE:
ret = "BR_PORT_UPDATE";
break;
case DPLANE_OP_ADDR_INSTALL:
ret = "ADDR_INSTALL";
break;
case DPLANE_OP_ADDR_UNINSTALL:
ret = "ADDR_UNINSTALL";
break;
case DPLANE_OP_MAC_INSTALL:
ret = "MAC_INSTALL";
break;
case DPLANE_OP_MAC_DELETE:
ret = "MAC_DELETE";
break;
case DPLANE_OP_NEIGH_INSTALL:
ret = "NEIGH_INSTALL";
break;
case DPLANE_OP_NEIGH_UPDATE:
ret = "NEIGH_UPDATE";
break;
case DPLANE_OP_NEIGH_DELETE:
ret = "NEIGH_DELETE";
break;
case DPLANE_OP_VTEP_ADD:
ret = "VTEP_ADD";
break;
case DPLANE_OP_VTEP_DELETE:
ret = "VTEP_DELETE";
break;
case DPLANE_OP_RULE_ADD:
ret = "RULE_ADD";
break;
case DPLANE_OP_RULE_DELETE:
ret = "RULE_DELETE";
break;
case DPLANE_OP_RULE_UPDATE:
ret = "RULE_UPDATE";
break;
case DPLANE_OP_NEIGH_DISCOVER:
ret = "NEIGH_DISCOVER";
break;
case DPLANE_OP_IPTABLE_ADD:
ret = "IPTABLE_ADD";
break;
case DPLANE_OP_IPTABLE_DELETE:
ret = "IPTABLE_DELETE";
break;
case DPLANE_OP_IPSET_ADD:
ret = "IPSET_ADD";
break;
case DPLANE_OP_IPSET_DELETE:
ret = "IPSET_DELETE";
break;
case DPLANE_OP_IPSET_ENTRY_ADD:
ret = "IPSET_ENTRY_ADD";
break;
case DPLANE_OP_IPSET_ENTRY_DELETE:
ret = "IPSET_ENTRY_DELETE";
break;
case DPLANE_OP_NEIGH_IP_INSTALL:
ret = "NEIGH_IP_INSTALL";
break;
case DPLANE_OP_NEIGH_IP_DELETE:
ret = "NEIGH_IP_DELETE";
break;
case DPLANE_OP_NEIGH_TABLE_UPDATE:
ret = "NEIGH_TABLE_UPDATE";
break;
case DPLANE_OP_GRE_SET:
ret = "GRE_SET";
break;
case DPLANE_OP_INTF_ADDR_ADD:
return "INTF_ADDR_ADD";
case DPLANE_OP_INTF_ADDR_DEL:
return "INTF_ADDR_DEL";
case DPLANE_OP_INTF_NETCONFIG:
return "INTF_NETCONFIG";
case DPLANE_OP_INTF_INSTALL:
ret = "INTF_INSTALL";
break;
case DPLANE_OP_INTF_UPDATE:
ret = "INTF_UPDATE";
break;
case DPLANE_OP_INTF_DELETE:
ret = "INTF_DELETE";
break;
case DPLANE_OP_TC_QDISC_INSTALL:
ret = "TC_QDISC_INSTALL";
break;
case DPLANE_OP_TC_QDISC_UNINSTALL:
ret = "TC_QDISC_UNINSTALL";
break;
case DPLANE_OP_TC_CLASS_ADD:
ret = "TC_CLASS_ADD";
break;
case DPLANE_OP_TC_CLASS_DELETE:
ret = "TC_CLASS_DELETE";
break;
case DPLANE_OP_TC_CLASS_UPDATE:
ret = "TC_CLASS_UPDATE";
break;
case DPLANE_OP_TC_FILTER_ADD:
ret = "TC_FILTER_ADD";
break;
case DPLANE_OP_TC_FILTER_DELETE:
ret = "TC_FILTER_DELETE";
break;
case DPLANE_OP_TC_FILTER_UPDATE:
ret = "TC__FILTER_UPDATE";
break;
case DPLANE_OP_STARTUP_STAGE:
ret = "STARTUP_STAGE";
break;
case DPLANE_OP_SRV6_ENCAP_SRCADDR_SET:
ret = "SRV6_ENCAP_SRCADDR_SET";
break;
}
return ret;
}
const char *dplane_res2str(enum zebra_dplane_result res)
{
const char *ret = "<Unknown>";
switch (res) {
case ZEBRA_DPLANE_REQUEST_FAILURE:
ret = "FAILURE";
break;
case ZEBRA_DPLANE_REQUEST_QUEUED:
ret = "QUEUED";
break;
case ZEBRA_DPLANE_REQUEST_SUCCESS:
ret = "SUCCESS";
break;
}
return ret;
}
void dplane_ctx_set_dest(struct zebra_dplane_ctx *ctx,
const struct prefix *dest)
{
DPLANE_CTX_VALID(ctx);
prefix_copy(&(ctx->u.rinfo.zd_dest), dest);
}
const struct prefix *dplane_ctx_get_dest(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return &(ctx->u.rinfo.zd_dest);
}
void dplane_ctx_set_src(struct zebra_dplane_ctx *ctx, const struct prefix *src)
{
DPLANE_CTX_VALID(ctx);
if (src)
prefix_copy(&(ctx->u.rinfo.zd_src), src);
else
memset(&(ctx->u.rinfo.zd_src), 0, sizeof(struct prefix));
}
/* Source prefix is a little special - return NULL for "no src prefix" */
const struct prefix *dplane_ctx_get_src(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
if (ctx->u.rinfo.zd_src.prefixlen == 0 &&
IN6_IS_ADDR_UNSPECIFIED(&(ctx->u.rinfo.zd_src.u.prefix6))) {
return NULL;
} else {
return &(ctx->u.rinfo.zd_src);
}
}
bool dplane_ctx_is_update(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->zd_is_update;
}
uint32_t dplane_ctx_get_seq(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->zd_seq;
}
uint32_t dplane_ctx_get_old_seq(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->zd_old_seq;
}
void dplane_ctx_set_vrf(struct zebra_dplane_ctx *ctx, vrf_id_t vrf)
{
DPLANE_CTX_VALID(ctx);
ctx->zd_vrf_id = vrf;
}
vrf_id_t dplane_ctx_get_vrf(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->zd_vrf_id;
}
/* In some paths we have only a namespace id */
void dplane_ctx_set_ns_id(struct zebra_dplane_ctx *ctx, ns_id_t nsid)
{
DPLANE_CTX_VALID(ctx);
ctx->zd_ns_info.ns_id = nsid;
}
ns_id_t dplane_ctx_get_ns_id(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->zd_ns_info.ns_id;
}
bool dplane_ctx_is_from_notif(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return (ctx->zd_notif_provider != 0);
}
uint32_t dplane_ctx_get_notif_provider(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->zd_notif_provider;
}
void dplane_ctx_set_notif_provider(struct zebra_dplane_ctx *ctx,
uint32_t id)
{
DPLANE_CTX_VALID(ctx);
ctx->zd_notif_provider = id;
}
const char *dplane_ctx_get_ifname(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->zd_ifname;
}
void dplane_ctx_set_ifp_bridge_vlan_info_array(
struct zebra_dplane_ctx *ctx,
struct zebra_dplane_bridge_vlan_info_array *bvarray)
{
DPLANE_CTX_VALID(ctx);
ctx->u.intf.bvarray = bvarray;
}
const struct zebra_dplane_bridge_vlan_info_array *
dplane_ctx_get_ifp_bridge_vlan_info_array(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.intf.bvarray;
}
void dplane_ctx_set_ifp_vxlan_vni_array(struct zebra_dplane_ctx *ctx,
struct zebra_vxlan_vni_array *vniarray)
{
DPLANE_CTX_VALID(ctx);
ctx->u.intf.vniarray = vniarray;
}
const struct zebra_vxlan_vni_array *
dplane_ctx_get_ifp_vxlan_vni_array(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.intf.vniarray;
}
void dplane_ctx_set_ifp_no_afspec(struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
ctx->u.intf.no_afspec_avail = true;
}
bool dplane_ctx_get_ifp_no_afspec(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.intf.no_afspec_avail;
}
void dplane_ctx_set_ifp_no_bridge_vlan_info(struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
ctx->u.intf.no_bvinfo_avail = true;
}
bool dplane_ctx_get_ifp_no_bridge_vlan_info(struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.intf.no_bvinfo_avail;
}
void dplane_ctx_set_ifp_bridge_vlan_info(
struct zebra_dplane_ctx *ctx,
struct zebra_dplane_bridge_vlan_info *bvinfo)
{
DPLANE_CTX_VALID(ctx);
ctx->u.intf.bvinfo = *bvinfo;
}
const struct zebra_dplane_bridge_vlan_info *
dplane_ctx_get_ifp_bridge_vlan_info(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return &ctx->u.intf.bvinfo;
}
void dplane_ctx_set_ifp_family(struct zebra_dplane_ctx *ctx, uint8_t family)
{
DPLANE_CTX_VALID(ctx);
ctx->u.intf.family = family;
}
uint8_t dplane_ctx_get_ifp_family(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.intf.family;
}
void dplane_ctx_set_ifp_zltype(struct zebra_dplane_ctx *ctx,
enum zebra_link_type zltype)
{
DPLANE_CTX_VALID(ctx);
ctx->u.intf.zltype = zltype;
}
enum zebra_link_type
dplane_ctx_get_ifp_zltype(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.intf.zltype;
}
void dplane_ctx_set_ifp_link_ifindex(struct zebra_dplane_ctx *ctx,
ifindex_t link_ifindex)
{
DPLANE_CTX_VALID(ctx);
ctx->u.intf.link_ifindex = link_ifindex;
}
ifindex_t dplane_ctx_get_ifp_link_ifindex(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.intf.link_ifindex;
}
void dplane_ctx_set_ifp_desc(struct zebra_dplane_ctx *ctx, const char *desc)
{
DPLANE_CTX_VALID(ctx);
strlcpy(ctx->u.intf.desc, desc, sizeof(ctx->u.intf.desc));
}
char *dplane_ctx_get_ifp_desc(struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.intf.desc;
}
void dplane_ctx_set_ifp_flags(struct zebra_dplane_ctx *ctx, uint64_t flags)
{
DPLANE_CTX_VALID(ctx);
ctx->u.intf.flags = flags;
}
uint64_t dplane_ctx_get_ifp_flags(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.intf.flags;
}
void dplane_ctx_set_ifp_bypass(struct zebra_dplane_ctx *ctx, uint8_t bypass)
{
DPLANE_CTX_VALID(ctx);
ctx->u.intf.bypass = bypass;
}
uint8_t dplane_ctx_get_ifp_bypass(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.intf.bypass;
}
void dplane_ctx_set_ifp_bridge_ifindex(struct zebra_dplane_ctx *ctx,
ifindex_t bridge_ifindex)
{
DPLANE_CTX_VALID(ctx);
ctx->u.intf.bridge_ifindex = bridge_ifindex;
}
ifindex_t dplane_ctx_get_ifp_bridge_ifindex(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.intf.bridge_ifindex;
}
void dplane_ctx_set_ifp_zif_slave_type(struct zebra_dplane_ctx *ctx,
enum zebra_slave_iftype zslave_type)
{
DPLANE_CTX_VALID(ctx);
ctx->u.intf.zslave_type = zslave_type;
}
enum zebra_slave_iftype
dplane_ctx_get_ifp_zif_slave_type(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.intf.zslave_type;
}
void dplane_ctx_set_ifp_master_ifindex(struct zebra_dplane_ctx *ctx,
ifindex_t master_ifindex)
{
DPLANE_CTX_VALID(ctx);
ctx->u.intf.master_ifindex = master_ifindex;
}
ifindex_t dplane_ctx_get_ifp_master_ifindex(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.intf.master_ifindex;
}
void dplane_ctx_set_ifp_mtu(struct zebra_dplane_ctx *ctx, uint32_t mtu)
{
DPLANE_CTX_VALID(ctx);
ctx->u.intf.mtu = mtu;
}
uint32_t dplane_ctx_get_ifp_mtu(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.intf.mtu;
}
void dplane_ctx_set_ifp_vrf_id(struct zebra_dplane_ctx *ctx, vrf_id_t vrf_id)
{
DPLANE_CTX_VALID(ctx);
ctx->u.intf.vrf_id = vrf_id;
}
vrf_id_t dplane_ctx_get_ifp_vrf_id(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.intf.vrf_id;
}
void dplane_ctx_set_ifp_link_nsid(struct zebra_dplane_ctx *ctx,
ns_id_t link_nsid)
{
DPLANE_CTX_VALID(ctx);
ctx->u.intf.link_nsid = link_nsid;
}
ns_id_t dplane_ctx_get_ifp_link_nsid(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.intf.link_nsid;
}
void dplane_ctx_set_ifp_startup(struct zebra_dplane_ctx *ctx, bool startup)
{
DPLANE_CTX_VALID(ctx);
ctx->u.intf.startup = startup;
}
bool dplane_ctx_get_ifp_startup(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.intf.startup;
}
void dplane_ctx_set_ifp_protodown_set(struct zebra_dplane_ctx *ctx, bool set)
{
DPLANE_CTX_VALID(ctx);
ctx->u.intf.protodown_set = set;
}
bool dplane_ctx_get_ifp_protodown_set(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.intf.protodown_set;
}
void dplane_ctx_set_ifp_protodown(struct zebra_dplane_ctx *ctx, bool protodown)
{
DPLANE_CTX_VALID(ctx);
ctx->u.intf.protodown = protodown;
}
bool dplane_ctx_get_ifp_protodown(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.intf.protodown;
}
ifindex_t dplane_ctx_get_ifp_bond_ifindex(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.intf.bond_ifindex;
}
void dplane_ctx_set_ifp_rc_bitfield(struct zebra_dplane_ctx *ctx,
uint32_t rc_bitfield)
{
DPLANE_CTX_VALID(ctx);
ctx->u.intf.rc_bitfield = rc_bitfield;
}
uint32_t dplane_ctx_get_ifp_rc_bitfield(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.intf.rc_bitfield;
}
void dplane_ctx_set_ifp_gre_info(struct zebra_dplane_ctx *ctx,
struct zebra_l2info_gre *grinfo)
{
DPLANE_CTX_VALID(ctx);
ctx->u.intf.grinfo = *grinfo;
}
const struct zebra_l2info_gre *
dplane_ctx_get_ifp_gre_info(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return &ctx->u.intf.grinfo;
}
void dplane_ctx_set_ifp_vxlan_info(struct zebra_dplane_ctx *ctx,
struct zebra_l2info_vxlan *vxinfo)
{
DPLANE_CTX_VALID(ctx);
ctx->u.intf.vxinfo = *vxinfo;
}
const struct zebra_l2info_vxlan *
dplane_ctx_get_ifp_vxlan_info(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return &ctx->u.intf.vxinfo;
}
void dplane_ctx_set_ifp_vlan_info(struct zebra_dplane_ctx *ctx,
struct zebra_l2info_vlan *vinfo)
{
DPLANE_CTX_VALID(ctx);
ctx->u.intf.vinfo = *vinfo;
}
const struct zebra_l2info_vlan *
dplane_ctx_get_ifp_vlan_info(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return &ctx->u.intf.vinfo;
}
void dplane_ctx_set_ifp_bridge_info(struct zebra_dplane_ctx *ctx,
struct zebra_l2info_bridge *binfo)
{
DPLANE_CTX_VALID(ctx);
ctx->u.intf.binfo = *binfo;
}
const struct zebra_l2info_bridge *
dplane_ctx_get_ifp_bridge_info(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return &ctx->u.intf.binfo;
}
void dplane_ctx_set_ifp_table_id(struct zebra_dplane_ctx *ctx,
uint32_t table_id)
{
DPLANE_CTX_VALID(ctx);
ctx->u.intf.table_id = table_id;
}
uint32_t dplane_ctx_get_ifp_table_id(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.intf.table_id;
}
void dplane_ctx_set_ifp_hw_addr(struct zebra_dplane_ctx *ctx,
int32_t hw_addr_len, uint8_t *hw_addr)
{
DPLANE_CTX_VALID(ctx);
ctx->u.intf.hw_addr_len = hw_addr_len;
memcpy(ctx->u.intf.hw_addr, hw_addr, hw_addr_len);
}
int32_t dplane_ctx_get_ifp_hw_addr_len(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.intf.hw_addr_len;
}
const uint8_t *dplane_ctx_get_ifp_hw_addr(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.intf.hw_addr;
}
void dplane_ctx_set_ifp_bond_ifindex(struct zebra_dplane_ctx *ctx,
ifindex_t bond_ifindex)
{
DPLANE_CTX_VALID(ctx);
ctx->u.intf.bond_ifindex = bond_ifindex;
}
enum zebra_iftype
dplane_ctx_get_ifp_zif_type(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.intf.zif_type;
}
void dplane_ctx_set_ifp_zif_type(struct zebra_dplane_ctx *ctx,
enum zebra_iftype zif_type)
{
DPLANE_CTX_VALID(ctx);
ctx->u.intf.zif_type = zif_type;
}
void dplane_ctx_set_ifname(struct zebra_dplane_ctx *ctx, const char *ifname)
{
DPLANE_CTX_VALID(ctx);
if (!ifname)
return;
strlcpy(ctx->zd_ifname, ifname, sizeof(ctx->zd_ifname));
}
ifindex_t dplane_ctx_get_ifindex(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->zd_ifindex;
}
void dplane_ctx_set_ifindex(struct zebra_dplane_ctx *ctx, ifindex_t ifindex)
{
DPLANE_CTX_VALID(ctx);
ctx->zd_ifindex = ifindex;
}
void dplane_ctx_set_type(struct zebra_dplane_ctx *ctx, int type)
{
DPLANE_CTX_VALID(ctx);
ctx->u.rinfo.zd_type = type;
}
int dplane_ctx_get_type(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.rinfo.zd_type;
}
int dplane_ctx_get_old_type(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.rinfo.zd_old_type;
}
void dplane_ctx_set_afi(struct zebra_dplane_ctx *ctx, afi_t afi)
{
DPLANE_CTX_VALID(ctx);
ctx->u.rinfo.zd_afi = afi;
}
afi_t dplane_ctx_get_afi(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.rinfo.zd_afi;
}
void dplane_ctx_set_safi(struct zebra_dplane_ctx *ctx, safi_t safi)
{
DPLANE_CTX_VALID(ctx);
ctx->u.rinfo.zd_safi = safi;
}
safi_t dplane_ctx_get_safi(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.rinfo.zd_safi;
}
void dplane_ctx_set_table(struct zebra_dplane_ctx *ctx, uint32_t table)
{
DPLANE_CTX_VALID(ctx);
ctx->zd_table_id = table;
}
uint32_t dplane_ctx_get_table(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->zd_table_id;
}
route_tag_t dplane_ctx_get_tag(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.rinfo.zd_tag;
}
void dplane_ctx_set_tag(struct zebra_dplane_ctx *ctx, route_tag_t tag)
{
DPLANE_CTX_VALID(ctx);
ctx->u.rinfo.zd_tag = tag;
}
route_tag_t dplane_ctx_get_old_tag(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.rinfo.zd_old_tag;
}
uint16_t dplane_ctx_get_instance(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.rinfo.zd_instance;
}
void dplane_ctx_set_instance(struct zebra_dplane_ctx *ctx, uint16_t instance)
{
DPLANE_CTX_VALID(ctx);
ctx->u.rinfo.zd_instance = instance;
}
uint16_t dplane_ctx_get_old_instance(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.rinfo.zd_old_instance;
}
uint32_t dplane_ctx_get_flags(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.rinfo.zd_flags;
}
void dplane_ctx_set_flags(struct zebra_dplane_ctx *ctx, uint32_t flags)
{
DPLANE_CTX_VALID(ctx);
ctx->u.rinfo.zd_flags = flags;
}
uint32_t dplane_ctx_get_metric(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.rinfo.zd_metric;
}
uint32_t dplane_ctx_get_old_metric(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.rinfo.zd_old_metric;
}
uint32_t dplane_ctx_get_mtu(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.rinfo.zd_mtu;
}
uint32_t dplane_ctx_get_nh_mtu(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.rinfo.zd_nexthop_mtu;
}
uint8_t dplane_ctx_get_distance(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.rinfo.zd_distance;
}
void dplane_ctx_set_distance(struct zebra_dplane_ctx *ctx, uint8_t distance)
{
DPLANE_CTX_VALID(ctx);
ctx->u.rinfo.zd_distance = distance;
}
uint8_t dplane_ctx_get_old_distance(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.rinfo.zd_old_distance;
}
int dplane_ctx_tc_qdisc_get_kind(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.tc_qdisc.kind;
}
const char *dplane_ctx_tc_qdisc_get_kind_str(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.tc_qdisc.kind_str;
}
uint32_t dplane_ctx_tc_class_get_handle(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.tc_class.handle;
}
int dplane_ctx_tc_class_get_kind(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.tc_class.kind;
}
const char *dplane_ctx_tc_class_get_kind_str(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.tc_class.kind_str;
}
uint64_t dplane_ctx_tc_class_get_rate(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.tc_class.rate;
}
uint64_t dplane_ctx_tc_class_get_ceil(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.tc_class.ceil;
}
int dplane_ctx_tc_filter_get_kind(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.tc_filter.kind;
}
const char *
dplane_ctx_tc_filter_get_kind_str(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.tc_filter.kind_str;
}
uint32_t dplane_ctx_tc_filter_get_priority(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.tc_filter.priority;
}
uint32_t dplane_ctx_tc_filter_get_handle(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.tc_filter.handle;
}
uint16_t dplane_ctx_tc_filter_get_eth_proto(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.tc_filter.eth_proto;
}
uint32_t dplane_ctx_tc_filter_get_filter_bm(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.tc_filter.filter_bm;
}
const struct prefix *
dplane_ctx_tc_filter_get_src_ip(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return &ctx->u.tc_filter.src_ip;
}
uint16_t
dplane_ctx_tc_filter_get_src_port_min(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.tc_filter.src_port_min;
}
uint16_t
dplane_ctx_tc_filter_get_src_port_max(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.tc_filter.src_port_max;
}
const struct prefix *
dplane_ctx_tc_filter_get_dst_ip(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return &ctx->u.tc_filter.dst_ip;
}
uint16_t
dplane_ctx_tc_filter_get_dst_port_min(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.tc_filter.dst_port_min;
}
uint16_t
dplane_ctx_tc_filter_get_dst_port_max(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.tc_filter.dst_port_max;
}
uint8_t dplane_ctx_tc_filter_get_ip_proto(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.tc_filter.ip_proto;
}
uint8_t dplane_ctx_tc_filter_get_dsfield(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.tc_filter.dsfield;
}
uint8_t
dplane_ctx_tc_filter_get_dsfield_mask(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.tc_filter.dsfield_mask;
}
uint32_t dplane_ctx_tc_filter_get_classid(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.tc_filter.classid;
}
/*
* Set the nexthops associated with a context: note that processing code
* may well expect that nexthops are in canonical (sorted) order, so we
* will enforce that here.
*/
void dplane_ctx_set_nexthops(struct zebra_dplane_ctx *ctx, struct nexthop *nh)
{
DPLANE_CTX_VALID(ctx);
if (ctx->u.rinfo.zd_ng.nexthop) {
nexthops_free(ctx->u.rinfo.zd_ng.nexthop);
ctx->u.rinfo.zd_ng.nexthop = NULL;
}
nexthop_group_copy_nh_sorted(&(ctx->u.rinfo.zd_ng), nh);
}
/*
* Set the list of backup nexthops; their ordering is preserved (they're not
* re-sorted.)
*/
void dplane_ctx_set_backup_nhg(struct zebra_dplane_ctx *ctx,
const struct nexthop_group *nhg)
{
struct nexthop *nh, *last_nh, *nexthop;
DPLANE_CTX_VALID(ctx);
if (ctx->u.rinfo.backup_ng.nexthop) {
nexthops_free(ctx->u.rinfo.backup_ng.nexthop);
ctx->u.rinfo.backup_ng.nexthop = NULL;
}
last_nh = NULL;
/* Be careful to preserve the order of the backup list */
for (nh = nhg->nexthop; nh; nh = nh->next) {
nexthop = nexthop_dup(nh, NULL);
if (last_nh)
NEXTHOP_APPEND(last_nh, nexthop);
else
ctx->u.rinfo.backup_ng.nexthop = nexthop;
last_nh = nexthop;
}
}
uint32_t dplane_ctx_get_nhg_id(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.rinfo.zd_nhg_id;
}
const struct nexthop_group *dplane_ctx_get_ng(
const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return &(ctx->u.rinfo.zd_ng);
}
const struct nexthop_group *
dplane_ctx_get_backup_ng(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return &(ctx->u.rinfo.backup_ng);
}
const struct nexthop_group *
dplane_ctx_get_old_ng(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return &(ctx->u.rinfo.zd_old_ng);
}
const struct nexthop_group *
dplane_ctx_get_old_backup_ng(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return &(ctx->u.rinfo.old_backup_ng);
}
const struct zebra_dplane_info *dplane_ctx_get_ns(
const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return &(ctx->zd_ns_info);
}
int dplane_ctx_get_ns_sock(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
#ifdef HAVE_NETLINK
return ctx->zd_ns_info.sock;
#else
return -1;
#endif
}
/* Accessors for nexthop information */
uint32_t dplane_ctx_get_nhe_id(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.rinfo.nhe.id;
}
uint32_t dplane_ctx_get_old_nhe_id(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.rinfo.nhe.old_id;
}
afi_t dplane_ctx_get_nhe_afi(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.rinfo.nhe.afi;
}
vrf_id_t dplane_ctx_get_nhe_vrf_id(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.rinfo.nhe.vrf_id;
}
int dplane_ctx_get_nhe_type(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.rinfo.nhe.type;
}
const struct nexthop_group *
dplane_ctx_get_nhe_ng(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return &(ctx->u.rinfo.nhe.ng);
}
const struct nh_grp *
dplane_ctx_get_nhe_nh_grp(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.rinfo.nhe.nh_grp;
}
uint8_t dplane_ctx_get_nhe_nh_grp_count(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.rinfo.nhe.nh_grp_count;
}
/* Accessors for LSP information */
mpls_label_t dplane_ctx_get_in_label(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.lsp.ile.in_label;
}
void dplane_ctx_set_in_label(struct zebra_dplane_ctx *ctx, mpls_label_t label)
{
DPLANE_CTX_VALID(ctx);
ctx->u.lsp.ile.in_label = label;
}
uint8_t dplane_ctx_get_addr_family(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.lsp.addr_family;
}
void dplane_ctx_set_addr_family(struct zebra_dplane_ctx *ctx,
uint8_t family)
{
DPLANE_CTX_VALID(ctx);
ctx->u.lsp.addr_family = family;
}
uint32_t dplane_ctx_get_lsp_flags(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.lsp.flags;
}
void dplane_ctx_set_lsp_flags(struct zebra_dplane_ctx *ctx,
uint32_t flags)
{
DPLANE_CTX_VALID(ctx);
ctx->u.lsp.flags = flags;
}
const struct nhlfe_list_head *dplane_ctx_get_nhlfe_list(
const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return &(ctx->u.lsp.nhlfe_list);
}
const struct nhlfe_list_head *dplane_ctx_get_backup_nhlfe_list(
const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return &(ctx->u.lsp.backup_nhlfe_list);
}
struct zebra_nhlfe *dplane_ctx_add_nhlfe(struct zebra_dplane_ctx *ctx,
enum lsp_types_t lsp_type,
enum nexthop_types_t nh_type,
const union g_addr *gate,
ifindex_t ifindex, uint8_t num_labels,
mpls_label_t *out_labels)
{
struct zebra_nhlfe *nhlfe;
DPLANE_CTX_VALID(ctx);
nhlfe = zebra_mpls_lsp_add_nhlfe(&(ctx->u.lsp),
lsp_type, nh_type, gate,
ifindex, num_labels, out_labels);
return nhlfe;
}
struct zebra_nhlfe *dplane_ctx_add_backup_nhlfe(
struct zebra_dplane_ctx *ctx, enum lsp_types_t lsp_type,
enum nexthop_types_t nh_type, const union g_addr *gate,
ifindex_t ifindex, uint8_t num_labels, mpls_label_t *out_labels)
{
struct zebra_nhlfe *nhlfe;
DPLANE_CTX_VALID(ctx);
nhlfe = zebra_mpls_lsp_add_backup_nhlfe(&(ctx->u.lsp),
lsp_type, nh_type, gate,
ifindex, num_labels,
out_labels);
return nhlfe;
}
const struct zebra_nhlfe *
dplane_ctx_get_best_nhlfe(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.lsp.best_nhlfe;
}
const struct zebra_nhlfe *
dplane_ctx_set_best_nhlfe(struct zebra_dplane_ctx *ctx,
struct zebra_nhlfe *nhlfe)
{
DPLANE_CTX_VALID(ctx);
ctx->u.lsp.best_nhlfe = nhlfe;
return ctx->u.lsp.best_nhlfe;
}
uint32_t dplane_ctx_get_lsp_num_ecmp(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.lsp.num_ecmp;
}
mpls_label_t dplane_ctx_get_pw_local_label(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.pw.local_label;
}
mpls_label_t dplane_ctx_get_pw_remote_label(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.pw.remote_label;
}
int dplane_ctx_get_pw_type(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.pw.type;
}
int dplane_ctx_get_pw_af(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.pw.af;
}
uint32_t dplane_ctx_get_pw_flags(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.pw.flags;
}
int dplane_ctx_get_pw_status(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.pw.status;
}
void dplane_ctx_set_pw_status(struct zebra_dplane_ctx *ctx, int status)
{
DPLANE_CTX_VALID(ctx);
ctx->u.pw.status = status;
}
const union g_addr *dplane_ctx_get_pw_dest(
const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return &(ctx->u.pw.dest);
}
const union pw_protocol_fields *dplane_ctx_get_pw_proto(
const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return &(ctx->u.pw.fields);
}
const struct nexthop_group *
dplane_ctx_get_pw_nhg(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return &(ctx->u.pw.fib_nhg);
}
const struct nexthop_group *
dplane_ctx_get_pw_primary_nhg(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return &(ctx->u.pw.primary_nhg);
}
const struct nexthop_group *
dplane_ctx_get_pw_backup_nhg(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return &(ctx->u.pw.backup_nhg);
}
/* Accessors for interface information */
uint32_t dplane_ctx_get_intf_metric(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.intf.metric;
}
void dplane_ctx_set_intf_metric(struct zebra_dplane_ctx *ctx, uint32_t metric)
{
DPLANE_CTX_VALID(ctx);
ctx->u.intf.metric = metric;
}
uint32_t dplane_ctx_get_intf_pd_reason_val(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.intf.pd_reason_val;
}
void dplane_ctx_set_intf_pd_reason_val(struct zebra_dplane_ctx *ctx, bool val)
{
DPLANE_CTX_VALID(ctx);
ctx->u.intf.pd_reason_val = val;
}
bool dplane_ctx_intf_is_protodown(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.intf.protodown;
}
/* Is interface addr p2p? */
bool dplane_ctx_intf_is_connected(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return (ctx->u.intf.flags & DPLANE_INTF_CONNECTED);
}
bool dplane_ctx_intf_is_noprefixroute(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return (ctx->u.intf.flags & DPLANE_INTF_NOPREFIXROUTE);
}
bool dplane_ctx_intf_is_secondary(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return (ctx->u.intf.flags & DPLANE_INTF_SECONDARY);
}
bool dplane_ctx_intf_is_broadcast(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return (ctx->u.intf.flags & DPLANE_INTF_BROADCAST);
}
void dplane_ctx_intf_set_connected(struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
ctx->u.intf.flags |= DPLANE_INTF_CONNECTED;
}
void dplane_ctx_intf_set_secondary(struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
ctx->u.intf.flags |= DPLANE_INTF_SECONDARY;
}
void dplane_ctx_intf_set_noprefixroute(struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
ctx->u.intf.flags |= DPLANE_INTF_NOPREFIXROUTE;
}
void dplane_ctx_intf_set_broadcast(struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
ctx->u.intf.flags |= DPLANE_INTF_BROADCAST;
}
const struct prefix *dplane_ctx_get_intf_addr(
const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return &(ctx->u.intf.prefix);
}
/* Accessors for SRv6 encapsulation source address information */
const struct in6_addr *
dplane_ctx_get_srv6_encap_srcaddr(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return &(ctx->u.srv6_encap.srcaddr);
}
void dplane_ctx_set_intf_addr(struct zebra_dplane_ctx *ctx,
const struct prefix *p)
{
DPLANE_CTX_VALID(ctx);
prefix_copy(&(ctx->u.intf.prefix), p);
}
bool dplane_ctx_intf_has_dest(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return (ctx->u.intf.flags & DPLANE_INTF_HAS_DEST);
}
const struct prefix *dplane_ctx_get_intf_dest(
const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return &(ctx->u.intf.dest_prefix);
}
void dplane_ctx_set_intf_dest(struct zebra_dplane_ctx *ctx,
const struct prefix *p)
{
DPLANE_CTX_VALID(ctx);
prefix_copy(&(ctx->u.intf.dest_prefix), p);
}
bool dplane_ctx_intf_has_label(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return (ctx->u.intf.flags & DPLANE_INTF_HAS_LABEL);
}
const char *dplane_ctx_get_intf_label(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.intf.label;
}
void dplane_ctx_set_intf_label(struct zebra_dplane_ctx *ctx, const char *label)
{
size_t len;
DPLANE_CTX_VALID(ctx);
if (ctx->u.intf.label && ctx->u.intf.label != ctx->u.intf.label_buf)
XFREE(MTYPE_DP_CTX, ctx->u.intf.label);
ctx->u.intf.label = NULL;
if (label) {
ctx->u.intf.flags |= DPLANE_INTF_HAS_LABEL;
/* Use embedded buffer if it's adequate; else allocate. */
len = strlen(label);
if (len < sizeof(ctx->u.intf.label_buf)) {
strlcpy(ctx->u.intf.label_buf, label,
sizeof(ctx->u.intf.label_buf));
ctx->u.intf.label = ctx->u.intf.label_buf;
} else {
ctx->u.intf.label = XSTRDUP(MTYPE_DP_CTX, label);
}
} else {
ctx->u.intf.flags &= ~DPLANE_INTF_HAS_LABEL;
}
}
void dplane_ctx_set_intf_txqlen(struct zebra_dplane_ctx *ctx, uint32_t txqlen)
{
DPLANE_CTX_VALID(ctx);
ctx->u.intf.txqlen = txqlen;
}
uint32_t dplane_ctx_get_intf_txqlen(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.intf.txqlen;
}
/* Accessors for MAC information */
vlanid_t dplane_ctx_mac_get_vlan(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.macinfo.vid;
}
bool dplane_ctx_mac_is_sticky(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.macinfo.is_sticky;
}
uint32_t dplane_ctx_mac_get_nhg_id(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.macinfo.nhg_id;
}
uint32_t dplane_ctx_mac_get_update_flags(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.macinfo.update_flags;
}
const struct ethaddr *dplane_ctx_mac_get_addr(
const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return &(ctx->u.macinfo.mac);
}
vni_t dplane_ctx_mac_get_vni(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.macinfo.vni;
}
const struct in_addr *dplane_ctx_mac_get_vtep_ip(
const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return &(ctx->u.macinfo.vtep_ip);
}
ifindex_t dplane_ctx_mac_get_br_ifindex(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.macinfo.br_ifindex;
}
/* Accessors for neighbor information */
const struct ipaddr *dplane_ctx_neigh_get_ipaddr(
const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return &(ctx->u.neigh.ip_addr);
}
const struct ipaddr *
dplane_ctx_neigh_get_link_ip(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return &(ctx->u.neigh.link.ip_addr);
}
const struct ethaddr *dplane_ctx_neigh_get_mac(
const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return &(ctx->u.neigh.link.mac);
}
vni_t dplane_ctx_neigh_get_vni(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.neigh.vni;
}
uint32_t dplane_ctx_neigh_get_flags(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.neigh.flags;
}
uint16_t dplane_ctx_neigh_get_state(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.neigh.state;
}
uint32_t dplane_ctx_neigh_get_update_flags(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.neigh.update_flags;
}
/* Accessor for GRE set */
uint32_t
dplane_ctx_gre_get_link_ifindex(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.gre.link_ifindex;
}
unsigned int
dplane_ctx_gre_get_mtu(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.gre.mtu;
}
const struct zebra_l2info_gre *
dplane_ctx_gre_get_info(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return &ctx->u.gre.info;
}
/***********************************************************************
* PBR RULE ACCESSORS - start
**********************************************************************/
/*
* This accessor fills one or two lib/pbr structs from the PBR context.
* New dataplane modules should use this interface where possible instead
* of adding more accessors that return fields from 'struct pbr_rule'.
*/
void dplane_ctx_rule_get(const struct zebra_dplane_ctx *ctx,
struct pbr_rule *pNew, struct pbr_rule *pOld)
{
DPLANE_CTX_VALID(ctx);
if (pNew)
*pNew = ctx->u.rule.new.prule;
if (pOld)
*pOld = ctx->u.rule.old.prule;
}
/* Accessors for PBR rule information */
int dplane_ctx_rule_get_sock(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.rule.sock;
}
const char *dplane_ctx_rule_get_ifname(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.rule.new.prule.ifname;
}
int dplane_ctx_rule_get_unique(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.rule.unique;
}
int dplane_ctx_rule_get_seq(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.rule.seq;
}
uint32_t dplane_ctx_rule_get_priority(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.rule.new.prule.priority;
}
uint32_t dplane_ctx_rule_get_old_priority(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.rule.old.prule.priority;
}
uint32_t dplane_ctx_rule_get_table(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.rule.new.prule.action.table;
}
uint32_t dplane_ctx_rule_get_old_table(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.rule.old.prule.action.table;
}
uint32_t dplane_ctx_rule_get_filter_bm(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.rule.new.prule.filter.filter_bm;
}
uint32_t dplane_ctx_rule_get_old_filter_bm(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.rule.old.prule.filter.filter_bm;
}
uint32_t dplane_ctx_rule_get_fwmark(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.rule.new.prule.filter.fwmark;
}
uint32_t dplane_ctx_rule_get_old_fwmark(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.rule.old.prule.filter.fwmark;
}
uint8_t dplane_ctx_rule_get_ipproto(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.rule.new.prule.filter.ip_proto;
}
uint8_t dplane_ctx_rule_get_old_ipproto(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.rule.old.prule.filter.ip_proto;
}
uint16_t dplane_ctx_rule_get_src_port(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.rule.new.prule.filter.src_port;
}
uint16_t dplane_ctx_rule_get_old_src_port(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.rule.old.prule.filter.src_port;
}
uint16_t dplane_ctx_rule_get_dst_port(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.rule.new.prule.filter.dst_port;
}
uint16_t dplane_ctx_rule_get_old_dst_port(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.rule.old.prule.filter.dst_port;
}
uint8_t dplane_ctx_rule_get_dsfield(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.rule.new.prule.filter.dsfield;
}
uint8_t dplane_ctx_rule_get_old_dsfield(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.rule.old.prule.filter.dsfield;
}
const struct prefix *
dplane_ctx_rule_get_src_ip(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return &(ctx->u.rule.new.prule.filter.src_ip);
}
const struct prefix *
dplane_ctx_rule_get_old_src_ip(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return &(ctx->u.rule.old.prule.filter.src_ip);
}
const struct prefix *
dplane_ctx_rule_get_dst_ip(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return &(ctx->u.rule.new.prule.filter.dst_ip);
}
const struct prefix *
dplane_ctx_rule_get_old_dst_ip(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return &(ctx->u.rule.old.prule.filter.dst_ip);
}
const struct ethaddr *
dplane_ctx_rule_get_smac(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return &(ctx->u.rule.new.smac);
}
const struct ethaddr *
dplane_ctx_rule_get_dmac(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return &(ctx->u.rule.new.dmac);
}
int dplane_ctx_rule_get_out_ifindex(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.rule.new.out_ifindex;
}
intptr_t dplane_ctx_rule_get_old_dp_flow_ptr(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.rule.old.dp_flow_ptr;
}
intptr_t dplane_ctx_rule_get_dp_flow_ptr(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.rule.new.dp_flow_ptr;
}
void dplane_ctx_rule_set_dp_flow_ptr(struct zebra_dplane_ctx *ctx,
intptr_t dp_flow_ptr)
{
DPLANE_CTX_VALID(ctx);
ctx->u.rule.new.dp_flow_ptr = dp_flow_ptr;
}
vrf_id_t dplane_ctx_rule_get_vrfid(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.rule.new.prule.vrf_id;
}
/***********************************************************************
* PBR RULE ACCESSORS - end
**********************************************************************/
uint32_t dplane_ctx_get_br_port_flags(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.br_port.flags;
}
uint32_t
dplane_ctx_get_br_port_sph_filter_cnt(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.br_port.sph_filter_cnt;
}
const struct in_addr *
dplane_ctx_get_br_port_sph_filters(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.br_port.sph_filters;
}
uint32_t
dplane_ctx_get_br_port_backup_nhg_id(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.br_port.backup_nhg_id;
}
/* Accessors for PBR iptable information */
void dplane_ctx_get_pbr_iptable(const struct zebra_dplane_ctx *ctx,
struct zebra_pbr_iptable *table)
{
DPLANE_CTX_VALID(ctx);
memcpy(table, &ctx->u.iptable, sizeof(struct zebra_pbr_iptable));
}
void dplane_ctx_get_pbr_ipset(const struct zebra_dplane_ctx *ctx,
struct zebra_pbr_ipset *ipset)
{
DPLANE_CTX_VALID(ctx);
assert(ipset);
if (ctx->zd_op == DPLANE_OP_IPSET_ENTRY_ADD ||
ctx->zd_op == DPLANE_OP_IPSET_ENTRY_DELETE) {
memset(ipset, 0, sizeof(struct zebra_pbr_ipset));
ipset->type = ctx->u.ipset_entry.info.type;
ipset->family = ctx->u.ipset_entry.info.family;
memcpy(&ipset->ipset_name, &ctx->u.ipset_entry.info.ipset_name,
ZEBRA_IPSET_NAME_SIZE);
} else
memcpy(ipset, &ctx->u.ipset, sizeof(struct zebra_pbr_ipset));
}
void dplane_ctx_get_pbr_ipset_entry(const struct zebra_dplane_ctx *ctx,
struct zebra_pbr_ipset_entry *entry)
{
DPLANE_CTX_VALID(ctx);
assert(entry);
memcpy(entry, &ctx->u.ipset_entry.entry, sizeof(struct zebra_pbr_ipset_entry));
}
/* Optional extra info about interfaces in nexthops - a plugin must enable
* this extra info.
*/
const struct dplane_intf_extra *
dplane_ctx_get_intf_extra(const struct zebra_dplane_ctx *ctx)
{
return dplane_intf_extra_list_const_first(
&ctx->u.rinfo.intf_extra_list);
}
const struct dplane_intf_extra *
dplane_ctx_intf_extra_next(const struct zebra_dplane_ctx *ctx,
const struct dplane_intf_extra *ptr)
{
return dplane_intf_extra_list_const_next(&ctx->u.rinfo.intf_extra_list,
ptr);
}
vrf_id_t dplane_intf_extra_get_vrfid(const struct dplane_intf_extra *ptr)
{
return ptr->vrf_id;
}
uint32_t dplane_intf_extra_get_ifindex(const struct dplane_intf_extra *ptr)
{
return ptr->ifindex;
}
uint32_t dplane_intf_extra_get_flags(const struct dplane_intf_extra *ptr)
{
return ptr->flags;
}
uint32_t dplane_intf_extra_get_status(const struct dplane_intf_extra *ptr)
{
return ptr->status;
}
/*
* End of interface extra info accessors
*/
uint8_t dplane_ctx_neightable_get_family(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.neightable.family;
}
uint32_t
dplane_ctx_neightable_get_app_probes(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.neightable.app_probes;
}
uint32_t
dplane_ctx_neightable_get_ucast_probes(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.neightable.ucast_probes;
}
uint32_t
dplane_ctx_neightable_get_mcast_probes(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.neightable.mcast_probes;
}
enum dplane_netconf_status_e
dplane_ctx_get_netconf_mpls(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.netconf.mpls_val;
}
enum dplane_netconf_status_e
dplane_ctx_get_netconf_mcast(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.netconf.mcast_val;
}
enum dplane_netconf_status_e
dplane_ctx_get_netconf_linkdown(const struct zebra_dplane_ctx *ctx)
{
DPLANE_CTX_VALID(ctx);
return ctx->u.netconf.linkdown_val;
}
void dplane_ctx_set_netconf_mpls(struct zebra_dplane_ctx *ctx,
enum dplane_netconf_status_e val)
{
DPLANE_CTX_VALID(ctx);
ctx->u.netconf.mpls_val = val;
}
void dplane_ctx_set_netconf_mcast(struct zebra_dplane_ctx *ctx,
enum dplane_netconf_status_e val)
{
DPLANE_CTX_VALID(ctx);
ctx->u.netconf.mcast_val = val;
}
void dplane_ctx_set_netconf_linkdown(struct zebra_dplane_ctx *ctx,
enum dplane_netconf_status_e val)
{
DPLANE_CTX_VALID(ctx);
ctx->u.netconf.linkdown_val = val;
}
/*
* Retrieve the limit on the number of pending, unprocessed updates.
*/
uint32_t dplane_get_in_queue_limit(void)
{
return atomic_load_explicit(&zdplane_info.dg_max_queued_updates,
memory_order_relaxed);
}
/*
* Configure limit on the number of pending, queued updates.
*/
void dplane_set_in_queue_limit(uint32_t limit, bool set)
{
/* Reset to default on 'unset' */
if (!set)
limit = DPLANE_DEFAULT_MAX_QUEUED;
atomic_store_explicit(&zdplane_info.dg_max_queued_updates, limit,
memory_order_relaxed);
}
/*
* Retrieve the current queue depth of incoming, unprocessed updates
*/
uint32_t dplane_get_in_queue_len(void)
{
return atomic_load_explicit(&zdplane_info.dg_routes_queued,
memory_order_seq_cst);
}
/*
* Internal helper that copies information from a zebra ns object; this is
* called in the zebra main pthread context as part of dplane ctx init.
*/
static void ctx_info_from_zns(struct zebra_dplane_info *ns_info,
struct zebra_ns *zns)
{
ns_info->ns_id = zns->ns_id;
#if defined(HAVE_NETLINK)
ns_info->is_cmd = true;
ns_info->sock = zns->netlink_dplane_out.sock;
ns_info->seq = zns->netlink_dplane_out.seq;
#endif /* NETLINK */
}
/*
* Common dataplane context init with zebra namespace info.
*/
static int dplane_ctx_ns_init(struct zebra_dplane_ctx *ctx,
struct zebra_ns *zns,
bool is_update)
{
ctx_info_from_zns(&(ctx->zd_ns_info), zns); /* */
ctx->zd_is_update = is_update;
#if defined(HAVE_NETLINK)
/* Increment message counter after copying to context struct - may need
* two messages in some 'update' cases.
*/
if (is_update)
zns->netlink_dplane_out.seq += 2;
else
zns->netlink_dplane_out.seq++;
#endif /* HAVE_NETLINK */
return AOK;
}
int dplane_ctx_route_init_basic(struct zebra_dplane_ctx *ctx,
enum dplane_op_e op, struct route_entry *re,
const struct prefix *p,
const struct prefix_ipv6 *src_p, afi_t afi,
safi_t safi)
{
int ret = EINVAL;
if (!ctx)
return ret;
dplane_intf_extra_list_init(&ctx->u.rinfo.intf_extra_list);
ctx->zd_op = op;
ctx->zd_status = ZEBRA_DPLANE_REQUEST_SUCCESS;
/* This function may be called to create/init a dplane context, not
* necessarily to copy a route object. Let's return if there is no route
* object to copy.
*/
if (!re)
return AOK;
ctx->u.rinfo.zd_type = re->type;
ctx->u.rinfo.zd_old_type = re->type;
prefix_copy(&(ctx->u.rinfo.zd_dest), p);
if (src_p)
prefix_copy(&(ctx->u.rinfo.zd_src), src_p);
else
memset(&(ctx->u.rinfo.zd_src), 0, sizeof(ctx->u.rinfo.zd_src));
ctx->zd_table_id = re->table;
ctx->u.rinfo.zd_flags = re->flags;
ctx->u.rinfo.zd_metric = re->metric;
ctx->u.rinfo.zd_old_metric = re->metric;
ctx->zd_vrf_id = re->vrf_id;
ctx->u.rinfo.zd_mtu = re->mtu;
ctx->u.rinfo.zd_nexthop_mtu = re->nexthop_mtu;
ctx->u.rinfo.zd_instance = re->instance;
ctx->u.rinfo.zd_tag = re->tag;
ctx->u.rinfo.zd_old_tag = re->tag;
ctx->u.rinfo.zd_distance = re->distance;
ctx->u.rinfo.zd_afi = afi;
ctx->u.rinfo.zd_safi = safi;
return AOK;
}
/*
* Initialize a context block for a route update from zebra data structs.
* If the `rn` or `re` parameters are NULL, this function only initializes the
* dplane context without copying a route object into it.
*/
int dplane_ctx_route_init(struct zebra_dplane_ctx *ctx, enum dplane_op_e op,
struct route_node *rn, struct route_entry *re)
{
int ret = EINVAL;
const struct route_table *table = NULL;
const struct rib_table_info *info;
const struct prefix *p;
const struct prefix_ipv6 *src_p;
struct zebra_ns *zns;
struct zebra_vrf *zvrf;
struct nexthop *nexthop;
struct zebra_l3vni *zl3vni;
const struct interface *ifp;
struct dplane_intf_extra *if_extra;
if (!ctx)
return ret;
/*
* Initialize the dplane context and return, if there is no route
* object to copy
*/
if (!re || !rn)
return dplane_ctx_route_init_basic(ctx, op, NULL, NULL, NULL,
AFI_UNSPEC, SAFI_UNSPEC);
/*
* Let's grab the data from the route_node
* so that we can call a helper function
*/
/* Prefixes: dest, and optional source */
srcdest_rnode_prefixes(rn, &p, (const struct prefix **)&src_p);
table = srcdest_rnode_table(rn);
info = table->info;
if (dplane_ctx_route_init_basic(ctx, op, re, p, src_p, info->afi,
info->safi) != AOK)
return ret;
/* Copy nexthops; recursive info is included too */
copy_nexthops(&(ctx->u.rinfo.zd_ng.nexthop),
re->nhe->nhg.nexthop, NULL);
ctx->u.rinfo.zd_nhg_id = re->nhe->id;
/* Copy backup nexthop info, if present */
if (re->nhe->backup_info && re->nhe->backup_info->nhe) {
copy_nexthops(&(ctx->u.rinfo.backup_ng.nexthop),
re->nhe->backup_info->nhe->nhg.nexthop, NULL);
}
/*
* Ensure that the dplane nexthops' flags are clear and copy
* encapsulation information.
*/
for (ALL_NEXTHOPS(ctx->u.rinfo.zd_ng, nexthop)) {
UNSET_FLAG(nexthop->flags, NEXTHOP_FLAG_FIB);
/* Optionally capture extra interface info while we're in the
* main zebra pthread - a plugin has to ask for this info.
*/
if (dplane_collect_extra_intf_info) {
ifp = if_lookup_by_index(nexthop->ifindex,
nexthop->vrf_id);
if (ifp) {
if_extra = XCALLOC(
MTYPE_DP_INTF,
sizeof(struct dplane_intf_extra));
if_extra->vrf_id = nexthop->vrf_id;
if_extra->ifindex = nexthop->ifindex;
if_extra->flags = ifp->flags;
if_extra->status = ifp->status;
dplane_intf_extra_list_add_tail(
&ctx->u.rinfo.intf_extra_list,
if_extra);
}
}
/* Check for available evpn encapsulations. */
if (!CHECK_FLAG(nexthop->flags, NEXTHOP_FLAG_EVPN))
continue;
zl3vni = zl3vni_from_vrf(nexthop->vrf_id);
if (zl3vni && is_l3vni_oper_up(zl3vni)) {
nexthop->nh_encap_type = NET_VXLAN;
nexthop->nh_encap.vni = zl3vni->vni;
}
}
/* Don't need some info when capturing a system notification */
if (op == DPLANE_OP_SYS_ROUTE_ADD ||
op == DPLANE_OP_SYS_ROUTE_DELETE) {
return AOK;
}
/* Extract ns info - can't use pointers to 'core' structs */
zvrf = vrf_info_lookup(re->vrf_id);
zns = zvrf->zns;
dplane_ctx_ns_init(ctx, zns, (op == DPLANE_OP_ROUTE_UPDATE));
#ifdef HAVE_NETLINK
{
struct nhg_hash_entry *nhe = zebra_nhg_resolve(re->nhe);
ctx->u.rinfo.nhe.id = nhe->id;
ctx->u.rinfo.nhe.old_id = 0;
/*
* Check if the nhe is installed/queued before doing anything
* with this route.
*
* If its a delete we only use the prefix anyway, so this only
* matters for INSTALL/UPDATE.
*/
if (zebra_nhg_kernel_nexthops_enabled() &&
(((op == DPLANE_OP_ROUTE_INSTALL) ||
(op == DPLANE_OP_ROUTE_UPDATE)) &&
!CHECK_FLAG(nhe->flags, NEXTHOP_GROUP_INSTALLED) &&
!CHECK_FLAG(nhe->flags, NEXTHOP_GROUP_QUEUED)))
return ENOENT;
re->nhe_installed_id = nhe->id;
}
#endif /* HAVE_NETLINK */
/* Trying out the sequence number idea, so we can try to detect
* when a result is stale.
*/
re->dplane_sequence = zebra_router_get_next_sequence();
ctx->zd_seq = re->dplane_sequence;
return AOK;
}
static int dplane_ctx_tc_qdisc_init(struct zebra_dplane_ctx *ctx,
enum dplane_op_e op,
const struct zebra_tc_qdisc *qdisc)
{
int ret = EINVAL;
struct zebra_ns *zns = NULL;
ctx->zd_op = op;
ctx->zd_status = ZEBRA_DPLANE_REQUEST_SUCCESS;
ctx->zd_ifindex = qdisc->qdisc.ifindex;
ctx->u.tc_qdisc.kind = qdisc->qdisc.kind;
ctx->u.tc_qdisc.kind_str = tc_qdisc_kind2str(qdisc->qdisc.kind);
/* TODO: init traffic control qdisc */
zns = zebra_ns_lookup(NS_DEFAULT);
dplane_ctx_ns_init(ctx, zns, true);
ret = AOK;
return ret;
}
static int dplane_ctx_tc_class_init(struct zebra_dplane_ctx *ctx,
enum dplane_op_e op,
struct zebra_tc_class *class)
{
int ret = EINVAL;
struct zebra_ns *zns = NULL;
ctx->zd_op = op;
ctx->zd_status = ZEBRA_DPLANE_REQUEST_SUCCESS;
ctx->zd_ifindex = class->class.ifindex;
ctx->u.tc_class.handle = class->class.handle;
ctx->u.tc_class.kind = class->class.kind;
ctx->u.tc_class.kind_str = tc_qdisc_kind2str(class->class.kind);
ctx->u.tc_class.rate = class->class.u.htb.rate;
ctx->u.tc_class.ceil = class->class.u.htb.ceil;
zns = zebra_ns_lookup(NS_DEFAULT);
dplane_ctx_ns_init(ctx, zns, true);
ret = AOK;
return ret;
}
static int dplane_ctx_tc_filter_init(struct zebra_dplane_ctx *ctx,
enum dplane_op_e op,
struct zebra_tc_filter *filter)
{
int ret = EINVAL;
struct zebra_ns *zns = NULL;
ctx->zd_op = op;
ctx->zd_status = ZEBRA_DPLANE_REQUEST_SUCCESS;
ctx->zd_ifindex = filter->filter.ifindex;
ctx->u.tc_filter.eth_proto = filter->filter.protocol;
ctx->u.tc_filter.ip_proto = filter->filter.u.flower.ip_proto;
ctx->u.tc_filter.kind = filter->filter.kind;
ctx->u.tc_filter.kind_str = tc_filter_kind2str(filter->filter.kind);
ctx->u.tc_filter.filter_bm = filter->filter.u.flower.filter_bm;
prefix_copy(&ctx->u.tc_filter.src_ip, &filter->filter.u.flower.src_ip);
ctx->u.tc_filter.src_port_min = filter->filter.u.flower.src_port_min;
ctx->u.tc_filter.src_port_max = filter->filter.u.flower.src_port_max;
prefix_copy(&ctx->u.tc_filter.dst_ip, &filter->filter.u.flower.dst_ip);
ctx->u.tc_filter.dst_port_min = filter->filter.u.flower.dst_port_min;
ctx->u.tc_filter.dst_port_max = filter->filter.u.flower.dst_port_max;
ctx->u.tc_filter.dsfield = filter->filter.u.flower.dsfield;
ctx->u.tc_filter.dsfield_mask = filter->filter.u.flower.dsfield_mask;
ctx->u.tc_filter.classid = filter->filter.u.flower.classid;
ctx->u.tc_filter.priority = filter->filter.priority;
ctx->u.tc_filter.handle = filter->filter.handle;
zns = zebra_ns_lookup(NS_DEFAULT);
dplane_ctx_ns_init(ctx, zns, true);
ret = AOK;
return ret;
}
/**
* dplane_ctx_nexthop_init() - Initialize a context block for a nexthop update
*
* @ctx: Dataplane context to init
* @op: Operation being performed
* @nhe: Nexthop group hash entry
*
* Return: Result status
*/
int dplane_ctx_nexthop_init(struct zebra_dplane_ctx *ctx, enum dplane_op_e op,
struct nhg_hash_entry *nhe)
{
struct zebra_vrf *zvrf = NULL;
struct zebra_ns *zns = NULL;
int ret = EINVAL;
if (!ctx || !nhe)
return ret;
ctx->zd_op = op;
ctx->zd_status = ZEBRA_DPLANE_REQUEST_SUCCESS;
/* Copy over nhe info */
ctx->u.rinfo.nhe.id = nhe->id;
ctx->u.rinfo.nhe.afi = nhe->afi;
ctx->u.rinfo.nhe.vrf_id = nhe->vrf_id;
ctx->u.rinfo.nhe.type = nhe->type;
nexthop_group_copy(&(ctx->u.rinfo.nhe.ng), &(nhe->nhg));
/* If this is a group, convert it to a grp array of ids */
if (!zebra_nhg_depends_is_empty(nhe)
&& !CHECK_FLAG(nhe->flags, NEXTHOP_GROUP_RECURSIVE))
ctx->u.rinfo.nhe.nh_grp_count = zebra_nhg_nhe2grp(
ctx->u.rinfo.nhe.nh_grp, nhe, MULTIPATH_NUM);
zvrf = vrf_info_lookup(nhe->vrf_id);
/*
* Fallback to default namespace if the vrf got ripped out from under
* us.
*/
zns = zvrf ? zvrf->zns : zebra_ns_lookup(NS_DEFAULT);
/*
* TODO: Might not need to mark this as an update, since
* it probably won't require two messages
*/
dplane_ctx_ns_init(ctx, zns, (op == DPLANE_OP_NH_UPDATE));
ret = AOK;
return ret;
}
/**
* dplane_ctx_intf_init() - Initialize a context block for a interface update
*
* @ctx: Dataplane context to init
* @op: Operation being performed
* @ifp: Interface
*
* Return: Result status
*/
int dplane_ctx_intf_init(struct zebra_dplane_ctx *ctx, enum dplane_op_e op,
const struct interface *ifp)
{
struct zebra_ns *zns;
struct zebra_if *zif;
int ret = EINVAL;
bool set_pdown, unset_pdown;
if (!ctx || !ifp)
return ret;
ctx->zd_op = op;
ctx->zd_status = ZEBRA_DPLANE_REQUEST_SUCCESS;
ctx->zd_vrf_id = ifp->vrf->vrf_id;
strlcpy(ctx->zd_ifname, ifp->name, sizeof(ctx->zd_ifname));
ctx->zd_ifindex = ifp->ifindex;
zns = zebra_ns_lookup(ifp->vrf->vrf_id);
dplane_ctx_ns_init(ctx, zns, false);
/* Copy over ifp info */
ctx->u.intf.metric = ifp->metric;
ctx->u.intf.flags = ifp->flags;
/* Copy over extra zebra info, if available */
zif = (struct zebra_if *)ifp->info;
if (zif) {
set_pdown = !!(zif->flags & ZIF_FLAG_SET_PROTODOWN);
unset_pdown = !!(zif->flags & ZIF_FLAG_UNSET_PROTODOWN);
if (zif->protodown_rc &&
ZEBRA_IF_IS_PROTODOWN_ONLY_EXTERNAL(zif) == false)
ctx->u.intf.pd_reason_val = true;
/*
* See if we have new protodown state to set, otherwise keep
* current state
*/
if (set_pdown)
ctx->u.intf.protodown = true;
else if (unset_pdown)
ctx->u.intf.protodown = false;
else
ctx->u.intf.protodown = !!ZEBRA_IF_IS_PROTODOWN(zif);
}
dplane_ctx_ns_init(ctx, zns, (op == DPLANE_OP_INTF_UPDATE));
ctx->zd_is_update = (op == DPLANE_OP_INTF_UPDATE);
ret = AOK;
return ret;
}
/*
* Capture information for an LSP update in a dplane context.
*/
int dplane_ctx_lsp_init(struct zebra_dplane_ctx *ctx, enum dplane_op_e op,
struct zebra_lsp *lsp)
{
int ret = AOK;
struct zebra_nhlfe *nhlfe, *new_nhlfe;
ctx->zd_op = op;
ctx->zd_status = ZEBRA_DPLANE_REQUEST_SUCCESS;
/* Capture namespace info */
dplane_ctx_ns_init(ctx, zebra_ns_lookup(NS_DEFAULT),
(op == DPLANE_OP_LSP_UPDATE));
memset(&ctx->u.lsp, 0, sizeof(ctx->u.lsp));
nhlfe_list_init(&(ctx->u.lsp.nhlfe_list));
nhlfe_list_init(&(ctx->u.lsp.backup_nhlfe_list));
/* This may be called to create/init a dplane context, not necessarily
* to copy an lsp object.
*/
if (lsp == NULL)
return ret;
if (IS_ZEBRA_DEBUG_DPLANE_DETAIL)
zlog_debug("init dplane ctx %s: in-label %u ecmp# %d",
dplane_op2str(op), lsp->ile.in_label,
lsp->num_ecmp);
ctx->u.lsp.ile = lsp->ile;
ctx->u.lsp.addr_family = lsp->addr_family;
ctx->u.lsp.num_ecmp = lsp->num_ecmp;
ctx->u.lsp.flags = lsp->flags;
/* Copy source LSP's nhlfes, and capture 'best' nhlfe */
frr_each(nhlfe_list, &lsp->nhlfe_list, nhlfe) {
/* Not sure if this is meaningful... */
if (nhlfe->nexthop == NULL)
continue;
new_nhlfe = zebra_mpls_lsp_add_nh(&(ctx->u.lsp), nhlfe->type,
nhlfe->nexthop);
if (new_nhlfe == NULL || new_nhlfe->nexthop == NULL) {
ret = ENOMEM;
break;
}
/* Need to copy flags and backup info too */
new_nhlfe->flags = nhlfe->flags;
new_nhlfe->nexthop->flags = nhlfe->nexthop->flags;
if (CHECK_FLAG(new_nhlfe->nexthop->flags,
NEXTHOP_FLAG_HAS_BACKUP)) {
new_nhlfe->nexthop->backup_num =
nhlfe->nexthop->backup_num;
memcpy(new_nhlfe->nexthop->backup_idx,
nhlfe->nexthop->backup_idx,
new_nhlfe->nexthop->backup_num);
}
if (nhlfe == lsp->best_nhlfe)
ctx->u.lsp.best_nhlfe = new_nhlfe;
}
if (ret != AOK)
return ret;
/* Capture backup nhlfes/nexthops */
frr_each(nhlfe_list, &lsp->backup_nhlfe_list, nhlfe) {
/* Not sure if this is meaningful... */
if (nhlfe->nexthop == NULL)
continue;
new_nhlfe = zebra_mpls_lsp_add_backup_nh(&(ctx->u.lsp),
nhlfe->type,
nhlfe->nexthop);
if (new_nhlfe == NULL || new_nhlfe->nexthop == NULL) {
ret = ENOMEM;
break;
}
/* Need to copy flags too */
new_nhlfe->flags = nhlfe->flags;
new_nhlfe->nexthop->flags = nhlfe->nexthop->flags;
}
return ret;
}
/*
* Capture information for an LSP update in a dplane context.
*/
static int dplane_ctx_pw_init(struct zebra_dplane_ctx *ctx,
enum dplane_op_e op,
struct zebra_pw *pw)
{
int ret = EINVAL;
struct prefix p;
afi_t afi;
struct route_table *table;
struct route_node *rn;
struct route_entry *re;
const struct nexthop_group *nhg;
struct nexthop *nh, *newnh, *last_nh;
if (IS_ZEBRA_DEBUG_DPLANE_DETAIL)
zlog_debug("init dplane ctx %s: pw '%s', loc %u, rem %u",
dplane_op2str(op), pw->ifname, pw->local_label,
pw->remote_label);
ctx->zd_op = op;
ctx->zd_status = ZEBRA_DPLANE_REQUEST_SUCCESS;
/* Capture namespace info: no netlink support as of 12/18,
* but just in case...
*/
dplane_ctx_ns_init(ctx, zebra_ns_lookup(NS_DEFAULT), false);
memset(&ctx->u.pw, 0, sizeof(ctx->u.pw));
/* This name appears to be c-string, so we use string copy. */
strlcpy(ctx->zd_ifname, pw->ifname, sizeof(ctx->zd_ifname));
ctx->zd_vrf_id = pw->vrf_id;
ctx->zd_ifindex = pw->ifindex;
ctx->u.pw.type = pw->type;
ctx->u.pw.af = pw->af;
ctx->u.pw.local_label = pw->local_label;
ctx->u.pw.remote_label = pw->remote_label;
ctx->u.pw.flags = pw->flags;
ctx->u.pw.dest = pw->nexthop;
ctx->u.pw.fields = pw->data;
/* Capture nexthop info for the pw destination. We need to look
* up and use zebra datastructs, but we're running in the zebra
* pthread here so that should be ok.
*/
memcpy(&p.u, &pw->nexthop, sizeof(pw->nexthop));
p.family = pw->af;
p.prefixlen = ((pw->af == AF_INET) ? IPV4_MAX_BITLEN : IPV6_MAX_BITLEN);
afi = (pw->af == AF_INET) ? AFI_IP : AFI_IP6;
table = zebra_vrf_table(afi, SAFI_UNICAST, pw->vrf_id);
if (table == NULL)
return ret;
rn = route_node_match(table, &p);
if (rn == NULL)
return ret;
re = NULL;
RNODE_FOREACH_RE(rn, re) {
if (CHECK_FLAG(re->flags, ZEBRA_FLAG_SELECTED))
break;
}
if (re) {
/* We'll capture a 'fib' list of nexthops that meet our
* criteria: installed, and labelled.
*/
nhg = rib_get_fib_nhg(re);
last_nh = NULL;
if (nhg && nhg->nexthop) {
for (ALL_NEXTHOPS_PTR(nhg, nh)) {
if (!CHECK_FLAG(nh->flags, NEXTHOP_FLAG_ACTIVE)
|| CHECK_FLAG(nh->flags,
NEXTHOP_FLAG_RECURSIVE)
|| nh->nh_label == NULL)
continue;
newnh = nexthop_dup(nh, NULL);
if (last_nh)
NEXTHOP_APPEND(last_nh, newnh);
else
ctx->u.pw.fib_nhg.nexthop = newnh;
last_nh = newnh;
}
}
/* Include any installed backup nexthops also. */
nhg = rib_get_fib_backup_nhg(re);
if (nhg && nhg->nexthop) {
for (ALL_NEXTHOPS_PTR(nhg, nh)) {
if (!CHECK_FLAG(nh->flags, NEXTHOP_FLAG_ACTIVE)
|| CHECK_FLAG(nh->flags,
NEXTHOP_FLAG_RECURSIVE)
|| nh->nh_label == NULL)
continue;
newnh = nexthop_dup(nh, NULL);
if (last_nh)
NEXTHOP_APPEND(last_nh, newnh);
else
ctx->u.pw.fib_nhg.nexthop = newnh;
last_nh = newnh;
}
}
/* Copy primary nexthops; recursive info is included too */
assert(re->nhe != NULL); /* SA warning */
copy_nexthops(&(ctx->u.pw.primary_nhg.nexthop),
re->nhe->nhg.nexthop, NULL);
ctx->u.pw.nhg_id = re->nhe->id;
/* Copy backup nexthop info, if present */
if (re->nhe->backup_info && re->nhe->backup_info->nhe) {
copy_nexthops(&(ctx->u.pw.backup_nhg.nexthop),
re->nhe->backup_info->nhe->nhg.nexthop,
NULL);
}
}
route_unlock_node(rn);
return AOK;
}
/**
* dplane_ctx_rule_init_single() - Initialize a dataplane representation of a
* PBR rule.
*
* @dplane_rule: Dataplane internal representation of a rule
* @rule: PBR rule
*/
static void dplane_ctx_rule_init_single(struct dplane_ctx_rule *dplane_rule,
struct zebra_pbr_rule *rule)
{
struct zebra_neigh_ent *n;
dplane_rule->prule = rule->rule;
dplane_rule->dp_flow_ptr = rule->action.dp_flow_ptr;
n = rule->action.neigh;
if (n && (n->flags & ZEBRA_NEIGH_ENT_ACTIVE)) {
struct interface *ifp = if_lookup_by_index_per_ns(
zebra_ns_lookup(NS_DEFAULT), n->ifindex);
if (ifp) {
dplane_rule->out_ifindex = n->ifindex;
memcpy(&dplane_rule->dmac, &n->mac, ETH_ALEN);
memcpy(&dplane_rule->smac, ifp->hw_addr, ETH_ALEN);
} else {
dplane_rule->out_ifindex = 0;
}
}
}
/**
* dplane_ctx_rule_init() - Initialize a context block for a PBR rule update.
*
* @ctx: Dataplane context to init
* @op: Operation being performed
* @new_rule: PBR rule
*
* Return: Result status
*/
static int dplane_ctx_rule_init(struct zebra_dplane_ctx *ctx,
enum dplane_op_e op,
struct zebra_pbr_rule *new_rule,
struct zebra_pbr_rule *old_rule)
{
if (IS_ZEBRA_DEBUG_DPLANE_DETAIL)
zlog_debug(
"init dplane ctx %s: IF %s Prio %u Fwmark %u Src %pFX Dst %pFX Table %u",
dplane_op2str(op), new_rule->ifname,
new_rule->rule.priority, new_rule->rule.filter.fwmark,
&new_rule->rule.filter.src_ip,
&new_rule->rule.filter.dst_ip,
new_rule->rule.action.table);
ctx->zd_op = op;
ctx->zd_status = ZEBRA_DPLANE_REQUEST_SUCCESS;
dplane_ctx_ns_init(ctx, zebra_ns_lookup(NS_DEFAULT),
op == DPLANE_OP_RULE_UPDATE);
ctx->zd_vrf_id = new_rule->vrf_id;
strlcpy(ctx->zd_ifname, new_rule->ifname, sizeof(ctx->zd_ifname));
ctx->u.rule.sock = new_rule->sock;
ctx->u.rule.unique = new_rule->rule.unique;
ctx->u.rule.seq = new_rule->rule.seq;
dplane_ctx_rule_init_single(&ctx->u.rule.new, new_rule);
if (op == DPLANE_OP_RULE_UPDATE) {
dplane_ctx_rule_init_single(&ctx->u.rule.old, old_rule);
/* clear the dp_flow_ptr in the old_rule - it is about to be
* deleted
*/
old_rule->action.dp_flow_ptr = (intptr_t)NULL;
}
return AOK;
}
static void zebra_dplane_interface_name_list_deletion(void *data)
{
XFREE(MTYPE_DP_NETFILTER, data);
}
/**
* dplane_ctx_iptable_init() - Initialize a context block for a PBR iptable
* update.
*
* @ctx: Dataplane context to init
* @op: Operation being performed
* @new_rule: PBR iptable
*
* Return: Result status
*/
static int dplane_ctx_iptable_init(struct zebra_dplane_ctx *ctx,
enum dplane_op_e op,
struct zebra_pbr_iptable *iptable)
{
char *ifname;
struct listnode *node;
if (IS_ZEBRA_DEBUG_DPLANE_DETAIL) {
zlog_debug(
"init dplane ctx %s: Unique %u Fwmark %u Family %s Action %s",
dplane_op2str(op), iptable->unique, iptable->fwmark,
family2str(iptable->family),
iptable->action == ZEBRA_IPTABLES_DROP ? "Drop"
: "Forward");
}
ctx->zd_op = op;
ctx->zd_status = ZEBRA_DPLANE_REQUEST_SUCCESS;
dplane_ctx_ns_init(ctx, zebra_ns_lookup(NS_DEFAULT), false);
ctx->zd_vrf_id = iptable->vrf_id;
memcpy(&ctx->u.iptable, iptable, sizeof(struct zebra_pbr_iptable));
ctx->u.iptable.interface_name_list = NULL;
if (iptable->nb_interface > 0) {
ctx->u.iptable.interface_name_list = list_new();
ctx->u.iptable.interface_name_list->del =
zebra_dplane_interface_name_list_deletion;
for (ALL_LIST_ELEMENTS_RO(iptable->interface_name_list, node,
ifname)) {
listnode_add(ctx->u.iptable.interface_name_list,
XSTRDUP(MTYPE_DP_NETFILTER, ifname));
}
}
return AOK;
}
/**
* dplane_ctx_ipset_init() - Initialize a context block for a PBR ipset update.
*
* @ctx: Dataplane context to init
* @op: Operation being performed
* @new_rule: PBR ipset
*
* Return: Result status
*/
static int dplane_ctx_ipset_init(struct zebra_dplane_ctx *ctx,
enum dplane_op_e op,
struct zebra_pbr_ipset *ipset)
{
if (IS_ZEBRA_DEBUG_DPLANE_DETAIL) {
zlog_debug("init dplane ctx %s: %s Unique %u Family %s Type %s",
dplane_op2str(op), ipset->ipset_name, ipset->unique,
family2str(ipset->family),
zebra_pbr_ipset_type2str(ipset->type));
}
ctx->zd_op = op;
ctx->zd_status = ZEBRA_DPLANE_REQUEST_SUCCESS;
dplane_ctx_ns_init(ctx, zebra_ns_lookup(NS_DEFAULT), false);
ctx->zd_vrf_id = ipset->vrf_id;
memcpy(&ctx->u.ipset, ipset, sizeof(struct zebra_pbr_ipset));
return AOK;
}
/**
* dplane_ctx_ipset_entry_init() - Initialize a context block for a PBR ipset
* update.
*
* @ctx: Dataplane context to init
* @op: Operation being performed
* @new_rule: PBR ipset
*
* Return: Result status
*/
static int
dplane_ctx_ipset_entry_init(struct zebra_dplane_ctx *ctx, enum dplane_op_e op,
struct zebra_pbr_ipset_entry *ipset_entry)
{
struct zebra_pbr_ipset *ipset;
ipset = ipset_entry->backpointer;
if (IS_ZEBRA_DEBUG_DPLANE_DETAIL) {
zlog_debug("init dplane ctx %s: %s Unique %u filter %u",
dplane_op2str(op), ipset->ipset_name,
ipset_entry->unique, ipset_entry->filter_bm);
}
ctx->zd_op = op;
ctx->zd_status = ZEBRA_DPLANE_REQUEST_SUCCESS;
dplane_ctx_ns_init(ctx, zebra_ns_lookup(NS_DEFAULT), false);
ctx->zd_vrf_id = ipset->vrf_id;
memcpy(&ctx->u.ipset_entry.entry, ipset_entry,
sizeof(struct zebra_pbr_ipset_entry));
ctx->u.ipset_entry.entry.backpointer = NULL;
ctx->u.ipset_entry.info.type = ipset->type;
ctx->u.ipset_entry.info.family = ipset->family;
memcpy(&ctx->u.ipset_entry.info.ipset_name, &ipset->ipset_name,
ZEBRA_IPSET_NAME_SIZE);
return AOK;
}
/*
* Enqueue a new update,
* and ensure an event is active for the dataplane pthread.
*/
static int dplane_update_enqueue(struct zebra_dplane_ctx *ctx)
{
int ret = EINVAL;
uint32_t high, curr;
/* Enqueue for processing by the dataplane pthread */
DPLANE_LOCK();
{
dplane_ctx_list_add_tail(&zdplane_info.dg_update_list, ctx);
}
DPLANE_UNLOCK();
curr = atomic_fetch_add_explicit(
&(zdplane_info.dg_routes_queued),
1, memory_order_seq_cst);
curr++; /* We got the pre-incremented value */
/* Maybe update high-water counter also */
high = atomic_load_explicit(&zdplane_info.dg_routes_queued_max,
memory_order_seq_cst);
while (high < curr) {
if (atomic_compare_exchange_weak_explicit(
&zdplane_info.dg_routes_queued_max,
&high, curr,
memory_order_seq_cst,
memory_order_seq_cst))
break;
}
/* Ensure that an event for the dataplane thread is active */
ret = dplane_provider_work_ready();
return ret;
}
/*
* Utility that prepares a route update and enqueues it for processing
*/
static enum zebra_dplane_result
dplane_route_update_internal(struct route_node *rn,
struct route_entry *re,
struct route_entry *old_re,
enum dplane_op_e op)
{
enum zebra_dplane_result result = ZEBRA_DPLANE_REQUEST_FAILURE;
int ret = EINVAL;
struct zebra_dplane_ctx *ctx = NULL;
/* Obtain context block */
ctx = dplane_ctx_alloc();
/* Init context with info from zebra data structs */
ret = dplane_ctx_route_init(ctx, op, rn, re);
if (ret == AOK) {
/* Capture some extra info for update case
* where there's a different 'old' route.
*/
if ((op == DPLANE_OP_ROUTE_UPDATE) &&
old_re && (old_re != re)) {
old_re->dplane_sequence =
zebra_router_get_next_sequence();
ctx->zd_old_seq = old_re->dplane_sequence;
ctx->u.rinfo.zd_old_tag = old_re->tag;
ctx->u.rinfo.zd_old_type = old_re->type;
ctx->u.rinfo.zd_old_instance = old_re->instance;
ctx->u.rinfo.zd_old_distance = old_re->distance;
ctx->u.rinfo.zd_old_metric = old_re->metric;
ctx->u.rinfo.nhe.old_id = old_re->nhe->id;
#ifndef HAVE_NETLINK
/* For bsd, capture previous re's nexthops too, sigh.
* We'll need these to do per-nexthop deletes.
*/
copy_nexthops(&(ctx->u.rinfo.zd_old_ng.nexthop),
old_re->nhe->nhg.nexthop, NULL);
if (zebra_nhg_get_backup_nhg(old_re->nhe) != NULL) {
struct nexthop_group *nhg;
struct nexthop **nh;
nhg = zebra_nhg_get_backup_nhg(old_re->nhe);
nh = &(ctx->u.rinfo.old_backup_ng.nexthop);
if (nhg->nexthop)
copy_nexthops(nh, nhg->nexthop, NULL);
}
#endif /* !HAVE_NETLINK */
}
/*
* If the old and new context type, and nexthop group id
* are the same there is no need to send down a route replace
* as that we know we have sent a nexthop group replace
* or an upper level protocol has sent us the exact
* same route again.
*/
if ((dplane_ctx_get_type(ctx) == dplane_ctx_get_old_type(ctx))
&& (dplane_ctx_get_nhe_id(ctx)
== dplane_ctx_get_old_nhe_id(ctx))
&& (dplane_ctx_get_nhe_id(ctx) >= ZEBRA_NHG_PROTO_LOWER)) {
struct nexthop *nexthop;
if (IS_ZEBRA_DEBUG_DPLANE)
zlog_debug(
"%s: Ignoring Route exactly the same",
__func__);
for (ALL_NEXTHOPS_PTR(dplane_ctx_get_ng(ctx),
nexthop)) {
if (CHECK_FLAG(nexthop->flags,
NEXTHOP_FLAG_RECURSIVE))
continue;
if (CHECK_FLAG(nexthop->flags,
NEXTHOP_FLAG_ACTIVE))
SET_FLAG(nexthop->flags,
NEXTHOP_FLAG_FIB);
}
if ((op == DPLANE_OP_ROUTE_UPDATE) && old_re && re &&
(old_re != re) &&
!CHECK_FLAG(re->status, ROUTE_ENTRY_INSTALLED))
SET_FLAG(re->status, ROUTE_ENTRY_INSTALLED);
dplane_ctx_free(&ctx);
return ZEBRA_DPLANE_REQUEST_SUCCESS;
}
/* Enqueue context for processing */
ret = dplane_update_enqueue(ctx);
}
/* Update counter */
atomic_fetch_add_explicit(&zdplane_info.dg_routes_in, 1,
memory_order_relaxed);
if (ret == AOK)
result = ZEBRA_DPLANE_REQUEST_QUEUED;
else {
atomic_fetch_add_explicit(&zdplane_info.dg_route_errors, 1,
memory_order_relaxed);
if (ctx)
dplane_ctx_free(&ctx);
}
return result;
}
static enum zebra_dplane_result
tc_qdisc_update_internal(enum dplane_op_e op,
const struct zebra_tc_qdisc *qdisc)
{
enum zebra_dplane_result result = ZEBRA_DPLANE_REQUEST_FAILURE;
int ret;
struct zebra_dplane_ctx *ctx = NULL;
/* Obtain context block */
ctx = dplane_ctx_alloc();
/* Init context with info from zebra data structs */
ret = dplane_ctx_tc_qdisc_init(ctx, op, qdisc);
if (ret == AOK)
ret = dplane_update_enqueue(ctx);
/* Update counter */
atomic_fetch_add_explicit(&zdplane_info.dg_tcs_in, 1,
memory_order_relaxed);
if (ret == AOK) {
result = ZEBRA_DPLANE_REQUEST_QUEUED;
} else {
atomic_fetch_add_explicit(&zdplane_info.dg_tcs_errors, 1,
memory_order_relaxed);
dplane_ctx_free(&ctx);
}
return result;
}
static enum zebra_dplane_result
tc_class_update_internal(enum dplane_op_e op, struct zebra_tc_class *class)
{
enum zebra_dplane_result result = ZEBRA_DPLANE_REQUEST_FAILURE;
int ret;
struct zebra_dplane_ctx *ctx = NULL;
/* Obtain context block */
ctx = dplane_ctx_alloc();
/* Init context with info from zebra data structs */
ret = dplane_ctx_tc_class_init(ctx, op, class);
if (ret == AOK)
ret = dplane_update_enqueue(ctx);
/* Update counter */
atomic_fetch_add_explicit(&zdplane_info.dg_tcs_in, 1,
memory_order_relaxed);
if (ret == AOK) {
result = ZEBRA_DPLANE_REQUEST_QUEUED;
} else {
atomic_fetch_add_explicit(&zdplane_info.dg_tcs_errors, 1,
memory_order_relaxed);
dplane_ctx_free(&ctx);
}
return result;
}
static enum zebra_dplane_result
tc_filter_update_internal(enum dplane_op_e op, struct zebra_tc_filter *filter)
{
enum zebra_dplane_result result = ZEBRA_DPLANE_REQUEST_FAILURE;
int ret;
struct zebra_dplane_ctx *ctx = NULL;
/* Obtain context block */
ctx = dplane_ctx_alloc();
/* Init context with info from zebra data structs */
ret = dplane_ctx_tc_filter_init(ctx, op, filter);
if (ret == AOK)
ret = dplane_update_enqueue(ctx);
/* Update counter */
atomic_fetch_add_explicit(&zdplane_info.dg_tcs_in, 1,
memory_order_relaxed);
if (ret == AOK) {
result = ZEBRA_DPLANE_REQUEST_QUEUED;
} else {
atomic_fetch_add_explicit(&zdplane_info.dg_tcs_errors, 1,
memory_order_relaxed);
dplane_ctx_free(&ctx);
}
return result;
}
enum zebra_dplane_result dplane_tc_qdisc_install(struct zebra_tc_qdisc *qdisc)
{
return tc_qdisc_update_internal(DPLANE_OP_TC_QDISC_INSTALL, qdisc);
}
enum zebra_dplane_result dplane_tc_qdisc_uninstall(struct zebra_tc_qdisc *qdisc)
{
return tc_qdisc_update_internal(DPLANE_OP_TC_QDISC_UNINSTALL, qdisc);
}
enum zebra_dplane_result dplane_tc_class_add(struct zebra_tc_class *class)
{
return tc_class_update_internal(DPLANE_OP_TC_CLASS_ADD, class);
}
enum zebra_dplane_result dplane_tc_class_delete(struct zebra_tc_class *class)
{
return tc_class_update_internal(DPLANE_OP_TC_CLASS_DELETE, class);
}
enum zebra_dplane_result dplane_tc_class_update(struct zebra_tc_class *class)
{
return tc_class_update_internal(DPLANE_OP_TC_CLASS_UPDATE, class);
}
enum zebra_dplane_result dplane_tc_filter_add(struct zebra_tc_filter *filter)
{
return tc_filter_update_internal(DPLANE_OP_TC_FILTER_ADD, filter);
}
enum zebra_dplane_result dplane_tc_filter_delete(struct zebra_tc_filter *filter)
{
return tc_filter_update_internal(DPLANE_OP_TC_FILTER_DELETE, filter);
}
enum zebra_dplane_result dplane_tc_filter_update(struct zebra_tc_filter *filter)
{
return tc_filter_update_internal(DPLANE_OP_TC_FILTER_UPDATE, filter);
}
/**
* dplane_nexthop_update_internal() - Helper for enqueuing nexthop changes
*
* @nhe: Nexthop group hash entry where the change occured
* @op: The operation to be enqued
*
* Return: Result of the change
*/
static enum zebra_dplane_result
dplane_nexthop_update_internal(struct nhg_hash_entry *nhe, enum dplane_op_e op)
{
enum zebra_dplane_result result = ZEBRA_DPLANE_REQUEST_FAILURE;
int ret;
struct zebra_dplane_ctx *ctx = NULL;
/* Obtain context block */
ctx = dplane_ctx_alloc();
ret = dplane_ctx_nexthop_init(ctx, op, nhe);
if (ret == AOK)
ret = dplane_update_enqueue(ctx);
/* Update counter */
atomic_fetch_add_explicit(&zdplane_info.dg_nexthops_in, 1,
memory_order_relaxed);
if (ret == AOK)
result = ZEBRA_DPLANE_REQUEST_QUEUED;
else {
atomic_fetch_add_explicit(&zdplane_info.dg_nexthop_errors, 1,
memory_order_relaxed);
if (ctx)
dplane_ctx_free(&ctx);
}
return result;
}
/*
* Enqueue a route 'add' for the dataplane.
*/
enum zebra_dplane_result dplane_route_add(struct route_node *rn,
struct route_entry *re)
{
enum zebra_dplane_result ret = ZEBRA_DPLANE_REQUEST_FAILURE;
if (rn == NULL || re == NULL)
return ret;
ret = dplane_route_update_internal(rn, re, NULL,
DPLANE_OP_ROUTE_INSTALL);
return ret;
}
/*
* Enqueue a route update for the dataplane.
*/
enum zebra_dplane_result dplane_route_update(struct route_node *rn,
struct route_entry *re,
struct route_entry *old_re)
{
enum zebra_dplane_result ret = ZEBRA_DPLANE_REQUEST_FAILURE;
if (rn == NULL || re == NULL)
return ret;
ret = dplane_route_update_internal(rn, re, old_re,
DPLANE_OP_ROUTE_UPDATE);
return ret;
}
/*
* Enqueue a route removal for the dataplane.
*/
enum zebra_dplane_result dplane_route_delete(struct route_node *rn,
struct route_entry *re)
{
enum zebra_dplane_result ret = ZEBRA_DPLANE_REQUEST_FAILURE;
if (rn == NULL || re == NULL)
return ret;
ret = dplane_route_update_internal(rn, re, NULL,
DPLANE_OP_ROUTE_DELETE);
return ret;
}
/*
* Notify the dplane when system/connected routes change.
*/
enum zebra_dplane_result dplane_sys_route_add(struct route_node *rn,
struct route_entry *re)
{
enum zebra_dplane_result ret = ZEBRA_DPLANE_REQUEST_FAILURE;
/* Ignore this event unless a provider plugin has requested it. */
if (!zdplane_info.dg_sys_route_notifs)
return ZEBRA_DPLANE_REQUEST_SUCCESS;
if (rn == NULL || re == NULL)
return ret;
ret = dplane_route_update_internal(rn, re, NULL,
DPLANE_OP_SYS_ROUTE_ADD);
return ret;
}
/*
* Notify the dplane when system/connected routes are deleted.
*/
enum zebra_dplane_result dplane_sys_route_del(struct route_node *rn,
struct route_entry *re)
{
enum zebra_dplane_result ret = ZEBRA_DPLANE_REQUEST_FAILURE;
/* Ignore this event unless a provider plugin has requested it. */
if (!zdplane_info.dg_sys_route_notifs)
return ZEBRA_DPLANE_REQUEST_SUCCESS;
if (rn == NULL || re == NULL)
return ret;
ret = dplane_route_update_internal(rn, re, NULL,
DPLANE_OP_SYS_ROUTE_DELETE);
return ret;
}
/*
* Update from an async notification, to bring other fibs up-to-date.
*/
enum zebra_dplane_result
dplane_route_notif_update(struct route_node *rn,
struct route_entry *re,
enum dplane_op_e op,
struct zebra_dplane_ctx *ctx)
{
enum zebra_dplane_result result = ZEBRA_DPLANE_REQUEST_FAILURE;
int ret = EINVAL;
struct zebra_dplane_ctx *new_ctx = NULL;
struct nexthop *nexthop;
struct nexthop_group *nhg;
if (rn == NULL || re == NULL)
goto done;
new_ctx = dplane_ctx_alloc();
/* Init context with info from zebra data structs */
dplane_ctx_route_init(new_ctx, op, rn, re);
/* For add/update, need to adjust the nexthops so that we match
* the notification state, which may not be the route-entry/RIB
* state.
*/
if (op == DPLANE_OP_ROUTE_UPDATE ||
op == DPLANE_OP_ROUTE_INSTALL) {
nexthops_free(new_ctx->u.rinfo.zd_ng.nexthop);
new_ctx->u.rinfo.zd_ng.nexthop = NULL;
nhg = rib_get_fib_nhg(re);
if (nhg && nhg->nexthop)
copy_nexthops(&(new_ctx->u.rinfo.zd_ng.nexthop),
nhg->nexthop, NULL);
/* Check for installed backup nexthops also */
nhg = rib_get_fib_backup_nhg(re);
if (nhg && nhg->nexthop) {
copy_nexthops(&(new_ctx->u.rinfo.zd_ng.nexthop),
nhg->nexthop, NULL);
}
for (ALL_NEXTHOPS(new_ctx->u.rinfo.zd_ng, nexthop))
UNSET_FLAG(nexthop->flags, NEXTHOP_FLAG_FIB);
}
/* Capture info about the source of the notification, in 'ctx' */
dplane_ctx_set_notif_provider(new_ctx,
dplane_ctx_get_notif_provider(ctx));
ret = dplane_update_enqueue(new_ctx);
done:
if (ret == AOK)
result = ZEBRA_DPLANE_REQUEST_QUEUED;
else if (new_ctx)
dplane_ctx_free(&new_ctx);
return result;
}
/*
* Enqueue a nexthop add for the dataplane.
*/
enum zebra_dplane_result dplane_nexthop_add(struct nhg_hash_entry *nhe)
{
enum zebra_dplane_result ret = ZEBRA_DPLANE_REQUEST_FAILURE;
if (nhe)
ret = dplane_nexthop_update_internal(nhe, DPLANE_OP_NH_INSTALL);
return ret;
}
/*
* Enqueue a nexthop update for the dataplane.
*
* Might not need this func since zebra's nexthop objects should be immutable?
*/
enum zebra_dplane_result dplane_nexthop_update(struct nhg_hash_entry *nhe)
{
enum zebra_dplane_result ret = ZEBRA_DPLANE_REQUEST_FAILURE;
if (nhe)
ret = dplane_nexthop_update_internal(nhe, DPLANE_OP_NH_UPDATE);
return ret;
}
/*
* Enqueue a nexthop removal for the dataplane.
*/
enum zebra_dplane_result dplane_nexthop_delete(struct nhg_hash_entry *nhe)
{
enum zebra_dplane_result ret = ZEBRA_DPLANE_REQUEST_FAILURE;
if (nhe)
ret = dplane_nexthop_update_internal(nhe, DPLANE_OP_NH_DELETE);
return ret;
}
/*
* Enqueue LSP add for the dataplane.
*/
enum zebra_dplane_result dplane_lsp_add(struct zebra_lsp *lsp)
{
enum zebra_dplane_result ret =
lsp_update_internal(lsp, DPLANE_OP_LSP_INSTALL);
return ret;
}
/*
* Enqueue LSP update for the dataplane.
*/
enum zebra_dplane_result dplane_lsp_update(struct zebra_lsp *lsp)
{
enum zebra_dplane_result ret =
lsp_update_internal(lsp, DPLANE_OP_LSP_UPDATE);
return ret;
}
/*
* Enqueue LSP delete for the dataplane.
*/
enum zebra_dplane_result dplane_lsp_delete(struct zebra_lsp *lsp)
{
enum zebra_dplane_result ret =
lsp_update_internal(lsp, DPLANE_OP_LSP_DELETE);
return ret;
}
/* Update or un-install resulting from an async notification */
enum zebra_dplane_result
dplane_lsp_notif_update(struct zebra_lsp *lsp, enum dplane_op_e op,
struct zebra_dplane_ctx *notif_ctx)
{
enum zebra_dplane_result result = ZEBRA_DPLANE_REQUEST_FAILURE;
int ret;
struct zebra_dplane_ctx *ctx = NULL;
struct nhlfe_list_head *head;
struct zebra_nhlfe *nhlfe, *new_nhlfe;
/* Obtain context block */
ctx = dplane_ctx_alloc();
/* Copy info from zebra LSP */
ret = dplane_ctx_lsp_init(ctx, op, lsp);
if (ret != AOK)
goto done;
/* Add any installed backup nhlfes */
head = &(ctx->u.lsp.backup_nhlfe_list);
frr_each(nhlfe_list, head, nhlfe) {
if (CHECK_FLAG(nhlfe->flags, NHLFE_FLAG_INSTALLED) &&
CHECK_FLAG(nhlfe->nexthop->flags, NEXTHOP_FLAG_FIB)) {
new_nhlfe = zebra_mpls_lsp_add_nh(&(ctx->u.lsp),
nhlfe->type,
nhlfe->nexthop);
/* Need to copy flags too */
new_nhlfe->flags = nhlfe->flags;
new_nhlfe->nexthop->flags = nhlfe->nexthop->flags;
}
}
/* Capture info about the source of the notification */
dplane_ctx_set_notif_provider(
ctx,
dplane_ctx_get_notif_provider(notif_ctx));
ret = dplane_update_enqueue(ctx);
done:
/* Update counter */
atomic_fetch_add_explicit(&zdplane_info.dg_lsps_in, 1,
memory_order_relaxed);
if (ret == AOK)
result = ZEBRA_DPLANE_REQUEST_QUEUED;
else {
atomic_fetch_add_explicit(&zdplane_info.dg_lsp_errors, 1,
memory_order_relaxed);
dplane_ctx_free(&ctx);
}
return result;
}
/*
* Enqueue pseudowire install for the dataplane.
*/
enum zebra_dplane_result dplane_pw_install(struct zebra_pw *pw)
{
return pw_update_internal(pw, DPLANE_OP_PW_INSTALL);
}
/*
* Enqueue pseudowire un-install for the dataplane.
*/
enum zebra_dplane_result dplane_pw_uninstall(struct zebra_pw *pw)
{
return pw_update_internal(pw, DPLANE_OP_PW_UNINSTALL);
}
/*
* Common internal LSP update utility
*/
static enum zebra_dplane_result lsp_update_internal(struct zebra_lsp *lsp,
enum dplane_op_e op)
{
enum zebra_dplane_result result = ZEBRA_DPLANE_REQUEST_FAILURE;
int ret = EINVAL;
struct zebra_dplane_ctx *ctx = NULL;
/* Obtain context block */
ctx = dplane_ctx_alloc();
ret = dplane_ctx_lsp_init(ctx, op, lsp);
if (ret != AOK)
goto done;
ret = dplane_update_enqueue(ctx);
done:
/* Update counter */
atomic_fetch_add_explicit(&zdplane_info.dg_lsps_in, 1,
memory_order_relaxed);
if (ret == AOK)
result = ZEBRA_DPLANE_REQUEST_QUEUED;
else {
atomic_fetch_add_explicit(&zdplane_info.dg_lsp_errors, 1,
memory_order_relaxed);
dplane_ctx_free(&ctx);
}
return result;
}
/*
* Internal, common handler for pseudowire updates.
*/
static enum zebra_dplane_result pw_update_internal(struct zebra_pw *pw,
enum dplane_op_e op)
{
enum zebra_dplane_result result = ZEBRA_DPLANE_REQUEST_FAILURE;
int ret;
struct zebra_dplane_ctx *ctx = NULL;
ctx = dplane_ctx_alloc();
ret = dplane_ctx_pw_init(ctx, op, pw);
if (ret != AOK)
goto done;
ret = dplane_update_enqueue(ctx);
done:
/* Update counter */
atomic_fetch_add_explicit(&zdplane_info.dg_pws_in, 1,
memory_order_relaxed);
if (ret == AOK)
result = ZEBRA_DPLANE_REQUEST_QUEUED;
else {
atomic_fetch_add_explicit(&zdplane_info.dg_pw_errors, 1,
memory_order_relaxed);
dplane_ctx_free(&ctx);
}
return result;
}
/*
* Enqueue access br_port update.
*/
enum zebra_dplane_result
dplane_br_port_update(const struct interface *ifp, bool non_df,
uint32_t sph_filter_cnt,
const struct in_addr *sph_filters, uint32_t backup_nhg_id)
{
enum zebra_dplane_result result = ZEBRA_DPLANE_REQUEST_FAILURE;
uint32_t flags = 0;
int ret;
struct zebra_dplane_ctx *ctx = NULL;
struct zebra_ns *zns;
enum dplane_op_e op = DPLANE_OP_BR_PORT_UPDATE;
if (non_df)
flags |= DPLANE_BR_PORT_NON_DF;
if (IS_ZEBRA_DEBUG_DPLANE_DETAIL || IS_ZEBRA_DEBUG_EVPN_MH_ES) {
uint32_t i;
char vtep_str[ES_VTEP_LIST_STR_SZ];
vtep_str[0] = '\0';
for (i = 0; i < sph_filter_cnt; ++i) {
snprintfrr(vtep_str + strlen(vtep_str),
sizeof(vtep_str) - strlen(vtep_str), "%pI4 ",
&sph_filters[i]);
}
zlog_debug(
"init br_port ctx %s: ifp %s, flags 0x%x backup_nhg 0x%x sph %s",
dplane_op2str(op), ifp->name, flags, backup_nhg_id,
vtep_str);
}
ctx = dplane_ctx_alloc();
ctx->zd_op = op;
ctx->zd_status = ZEBRA_DPLANE_REQUEST_SUCCESS;
ctx->zd_vrf_id = ifp->vrf->vrf_id;
zns = zebra_ns_lookup(ifp->vrf->vrf_id);
dplane_ctx_ns_init(ctx, zns, false);
ctx->zd_ifindex = ifp->ifindex;
strlcpy(ctx->zd_ifname, ifp->name, sizeof(ctx->zd_ifname));
/* Init the br-port-specific data area */
memset(&ctx->u.br_port, 0, sizeof(ctx->u.br_port));
ctx->u.br_port.flags = flags;
ctx->u.br_port.backup_nhg_id = backup_nhg_id;
ctx->u.br_port.sph_filter_cnt = sph_filter_cnt;
memcpy(ctx->u.br_port.sph_filters, sph_filters,
sizeof(ctx->u.br_port.sph_filters[0]) * sph_filter_cnt);
/* Enqueue for processing on the dplane pthread */
ret = dplane_update_enqueue(ctx);
/* Increment counter */
atomic_fetch_add_explicit(&zdplane_info.dg_br_port_in, 1,
memory_order_relaxed);
if (ret == AOK) {
result = ZEBRA_DPLANE_REQUEST_QUEUED;
} else {
/* Error counter */
atomic_fetch_add_explicit(&zdplane_info.dg_br_port_errors, 1,
memory_order_relaxed);
dplane_ctx_free(&ctx);
}
return result;
}
enum zebra_dplane_result
dplane_intf_mpls_modify_state(const struct interface *ifp, bool set)
{
enum zebra_dplane_result result = ZEBRA_DPLANE_REQUEST_FAILURE;
struct zebra_dplane_ctx *ctx;
struct zebra_ns *zns;
int ret = EINVAL;
ctx = dplane_ctx_alloc();
ctx->zd_op = DPLANE_OP_INTF_NETCONFIG;
ctx->zd_status = ZEBRA_DPLANE_REQUEST_SUCCESS;
ctx->zd_vrf_id = ifp->vrf->vrf_id;
strlcpy(ctx->zd_ifname, ifp->name, sizeof(ctx->zd_ifname));
zns = zebra_ns_lookup(ifp->vrf->vrf_id);
dplane_ctx_ns_init(ctx, zns, false);
ctx->zd_ifindex = ifp->ifindex;
if (set)
dplane_ctx_set_netconf_mpls(ctx, DPLANE_NETCONF_STATUS_ENABLED);
else
dplane_ctx_set_netconf_mpls(ctx,
DPLANE_NETCONF_STATUS_DISABLED);
/* Increment counter */
atomic_fetch_add_explicit(&zdplane_info.dg_intf_changes, 1,
memory_order_relaxed);
ret = dplane_update_enqueue(ctx);
if (ret == AOK)
result = ZEBRA_DPLANE_REQUEST_QUEUED;
else {
/* Error counter */
atomic_fetch_add_explicit(&zdplane_info.dg_intf_changes_errors,
1, memory_order_relaxed);
dplane_ctx_free(&ctx);
}
return result;
}
/*
* Enqueue interface address add for the dataplane.
*/
enum zebra_dplane_result dplane_intf_addr_set(const struct interface *ifp,
const struct connected *ifc)
{
#if !defined(HAVE_NETLINK) && defined(HAVE_STRUCT_IFALIASREQ)
/* Extra checks for this OS path. */
/* Don't configure PtP addresses on broadcast ifs or reverse */
if (!(ifp->flags & IFF_POINTOPOINT) != !CONNECTED_PEER(ifc)) {
if (IS_ZEBRA_DEBUG_KERNEL || IS_ZEBRA_DEBUG_DPLANE)
zlog_debug("Failed to set intf addr: mismatch p2p and connected");
return ZEBRA_DPLANE_REQUEST_FAILURE;
}
#endif
return intf_addr_update_internal(ifp, ifc, DPLANE_OP_ADDR_INSTALL);
}
/*
* Enqueue interface address remove/uninstall for the dataplane.
*/
enum zebra_dplane_result dplane_intf_addr_unset(const struct interface *ifp,
const struct connected *ifc)
{
return intf_addr_update_internal(ifp, ifc, DPLANE_OP_ADDR_UNINSTALL);
}
static enum zebra_dplane_result intf_addr_update_internal(
const struct interface *ifp, const struct connected *ifc,
enum dplane_op_e op)
{
enum zebra_dplane_result result = ZEBRA_DPLANE_REQUEST_FAILURE;
int ret = EINVAL;
struct zebra_dplane_ctx *ctx = NULL;
struct zebra_ns *zns;
if (IS_ZEBRA_DEBUG_DPLANE_DETAIL)
zlog_debug("init intf ctx %s: idx %d, addr %u:%pFX",
dplane_op2str(op), ifp->ifindex, ifp->vrf->vrf_id,
ifc->address);
ctx = dplane_ctx_alloc();
ctx->zd_op = op;
ctx->zd_status = ZEBRA_DPLANE_REQUEST_SUCCESS;
ctx->zd_vrf_id = ifp->vrf->vrf_id;
zns = zebra_ns_lookup(ifp->vrf->vrf_id);
dplane_ctx_ns_init(ctx, zns, false);
/* Init the interface-addr-specific area */
memset(&ctx->u.intf, 0, sizeof(ctx->u.intf));
strlcpy(ctx->zd_ifname, ifp->name, sizeof(ctx->zd_ifname));
ctx->zd_ifindex = ifp->ifindex;
ctx->u.intf.prefix = *(ifc->address);
if (if_is_broadcast(ifp))
ctx->u.intf.flags |= DPLANE_INTF_BROADCAST;
if (CONNECTED_PEER(ifc)) {
ctx->u.intf.dest_prefix = *(ifc->destination);
ctx->u.intf.flags |=
(DPLANE_INTF_CONNECTED | DPLANE_INTF_HAS_DEST);
}
if (CHECK_FLAG(ifc->flags, ZEBRA_IFA_SECONDARY))
ctx->u.intf.flags |= DPLANE_INTF_SECONDARY;
if (ifc->label) {
size_t len;
ctx->u.intf.flags |= DPLANE_INTF_HAS_LABEL;
/* Use embedded buffer if it's adequate; else allocate. */
len = strlen(ifc->label);
if (len < sizeof(ctx->u.intf.label_buf)) {
strlcpy(ctx->u.intf.label_buf, ifc->label,
sizeof(ctx->u.intf.label_buf));
ctx->u.intf.label = ctx->u.intf.label_buf;
} else {
ctx->u.intf.label = XSTRDUP(MTYPE_DP_CTX, ifc->label);
}
}
ret = dplane_update_enqueue(ctx);
/* Increment counter */
atomic_fetch_add_explicit(&zdplane_info.dg_intf_addrs_in, 1,
memory_order_relaxed);
if (ret == AOK)
result = ZEBRA_DPLANE_REQUEST_QUEUED;
else {
/* Error counter */
atomic_fetch_add_explicit(&zdplane_info.dg_intf_addr_errors,
1, memory_order_relaxed);
dplane_ctx_free(&ctx);
}
return result;
}
/**
* dplane_intf_update_internal() - Helper for enqueuing interface changes
*
* @ifp: Interface where the change occured
* @op: The operation to be enqued
*
* Return: Result of the change
*/
static enum zebra_dplane_result
dplane_intf_update_internal(const struct interface *ifp, enum dplane_op_e op)
{
enum zebra_dplane_result result = ZEBRA_DPLANE_REQUEST_FAILURE;
int ret;
struct zebra_dplane_ctx *ctx = NULL;
/* Obtain context block */
ctx = dplane_ctx_alloc();
ret = dplane_ctx_intf_init(ctx, op, ifp);
if (ret == AOK)
ret = dplane_update_enqueue(ctx);
/* Update counter */
atomic_fetch_add_explicit(&zdplane_info.dg_intfs_in, 1,
memory_order_relaxed);
if (ret == AOK)
result = ZEBRA_DPLANE_REQUEST_QUEUED;
else {
atomic_fetch_add_explicit(&zdplane_info.dg_intf_errors, 1,
memory_order_relaxed);
if (ctx)
dplane_ctx_free(&ctx);
}
return result;
}
/*
* Enqueue a interface add for the dataplane.
*/
enum zebra_dplane_result dplane_intf_add(const struct interface *ifp)
{
enum zebra_dplane_result ret = ZEBRA_DPLANE_REQUEST_FAILURE;
if (ifp)
ret = dplane_intf_update_internal(ifp, DPLANE_OP_INTF_INSTALL);
return ret;
}
/*
* Enqueue a interface update for the dataplane.
*/
enum zebra_dplane_result dplane_intf_update(const struct interface *ifp)
{
enum zebra_dplane_result ret = ZEBRA_DPLANE_REQUEST_FAILURE;
if (ifp)
ret = dplane_intf_update_internal(ifp, DPLANE_OP_INTF_UPDATE);
return ret;
}
/*
* Enqueue vxlan/evpn mac add (or update).
*/
enum zebra_dplane_result
dplane_rem_mac_add(const struct interface *ifp,
const struct interface *bridge_ifp, vlanid_t vid,
const struct ethaddr *mac, vni_t vni, struct in_addr vtep_ip,
bool sticky, uint32_t nhg_id, bool was_static)
{
enum zebra_dplane_result result;
uint32_t update_flags = 0;
update_flags |= DPLANE_MAC_REMOTE;
if (was_static)
update_flags |= DPLANE_MAC_WAS_STATIC;
/* Use common helper api */
result = mac_update_common(DPLANE_OP_MAC_INSTALL, ifp, bridge_ifp, vid,
mac, vni, vtep_ip, sticky, nhg_id,
update_flags);
return result;
}
/*
* Enqueue vxlan/evpn mac delete.
*/
enum zebra_dplane_result dplane_rem_mac_del(const struct interface *ifp,
const struct interface *bridge_ifp,
vlanid_t vid,
const struct ethaddr *mac,
vni_t vni, struct in_addr vtep_ip)
{
enum zebra_dplane_result result;
uint32_t update_flags = 0;
update_flags |= DPLANE_MAC_REMOTE;
/* Use common helper api */
result = mac_update_common(DPLANE_OP_MAC_DELETE, ifp, bridge_ifp, vid,
mac, vni, vtep_ip, false, 0, update_flags);
return result;
}
/*
* API to configure link local with either MAC address or IP information
*/
enum zebra_dplane_result dplane_neigh_ip_update(enum dplane_op_e op,
const struct interface *ifp,
struct ipaddr *link_ip,
struct ipaddr *ip,
uint32_t ndm_state, int protocol)
{
enum zebra_dplane_result result = ZEBRA_DPLANE_REQUEST_FAILURE;
uint16_t state = 0;
uint32_t update_flags;
if (IS_ZEBRA_DEBUG_DPLANE_DETAIL)
zlog_debug("%s: init link ctx %s: ifp %s, link_ip %pIA ip %pIA",
__func__, dplane_op2str(op), ifp->name, link_ip, ip);
if (ndm_state == ZEBRA_NEIGH_STATE_REACHABLE)
state = DPLANE_NUD_REACHABLE;
else if (ndm_state == ZEBRA_NEIGH_STATE_FAILED)
state = DPLANE_NUD_FAILED;
update_flags = DPLANE_NEIGH_NO_EXTENSION;
result = neigh_update_internal(op, ifp, (const void *)link_ip,
ipaddr_family(link_ip), ip, 0, 0, state,
update_flags, protocol);
return result;
}
/*
* Enqueue local mac add (or update).
*/
enum zebra_dplane_result dplane_local_mac_add(const struct interface *ifp,
const struct interface *bridge_ifp,
vlanid_t vid,
const struct ethaddr *mac,
bool sticky,
uint32_t set_static,
uint32_t set_inactive)
{
enum zebra_dplane_result result;
uint32_t update_flags = 0;
struct in_addr vtep_ip;
if (set_static)
update_flags |= DPLANE_MAC_SET_STATIC;
if (set_inactive)
update_flags |= DPLANE_MAC_SET_INACTIVE;
vtep_ip.s_addr = 0;
/* Use common helper api */
result = mac_update_common(DPLANE_OP_MAC_INSTALL, ifp, bridge_ifp, vid,
mac, 0, vtep_ip, sticky, 0, update_flags);
return result;
}
/*
* Enqueue local mac del
*/
enum zebra_dplane_result
dplane_local_mac_del(const struct interface *ifp,
const struct interface *bridge_ifp, vlanid_t vid,
const struct ethaddr *mac)
{
enum zebra_dplane_result result;
struct in_addr vtep_ip;
vtep_ip.s_addr = 0;
/* Use common helper api */
result = mac_update_common(DPLANE_OP_MAC_DELETE, ifp, bridge_ifp, vid,
mac, 0, vtep_ip, false, 0, 0);
return result;
}
/*
* Public api to init an empty context - either newly-allocated or
* reset/cleared - for a MAC update.
*/
void dplane_mac_init(struct zebra_dplane_ctx *ctx, const struct interface *ifp,
const struct interface *br_ifp, vlanid_t vid,
const struct ethaddr *mac, vni_t vni,
struct in_addr vtep_ip, bool sticky, uint32_t nhg_id,
uint32_t update_flags)
{
struct zebra_ns *zns;
ctx->zd_status = ZEBRA_DPLANE_REQUEST_SUCCESS;
ctx->zd_vrf_id = ifp->vrf->vrf_id;
zns = zebra_ns_lookup(ifp->vrf->vrf_id);
dplane_ctx_ns_init(ctx, zns, false);
strlcpy(ctx->zd_ifname, ifp->name, sizeof(ctx->zd_ifname));
ctx->zd_ifindex = ifp->ifindex;
/* Init the mac-specific data area */
memset(&ctx->u.macinfo, 0, sizeof(ctx->u.macinfo));
ctx->u.macinfo.br_ifindex = br_ifp->ifindex;
ctx->u.macinfo.vtep_ip = vtep_ip;
ctx->u.macinfo.mac = *mac;
ctx->u.macinfo.vni = vni;
ctx->u.macinfo.vid = vid;
ctx->u.macinfo.is_sticky = sticky;
ctx->u.macinfo.nhg_id = nhg_id;
ctx->u.macinfo.update_flags = update_flags;
}
/*
* Common helper api for MAC address/vxlan updates
*/
static enum zebra_dplane_result
mac_update_common(enum dplane_op_e op, const struct interface *ifp,
const struct interface *br_ifp, vlanid_t vid,
const struct ethaddr *mac, vni_t vni, struct in_addr vtep_ip,
bool sticky, uint32_t nhg_id, uint32_t update_flags)
{
enum zebra_dplane_result result = ZEBRA_DPLANE_REQUEST_FAILURE;
int ret;
struct zebra_dplane_ctx *ctx = NULL;
if (IS_ZEBRA_DEBUG_DPLANE_DETAIL)
zlog_debug("init mac ctx %s: mac %pEA, ifp %s, vtep %pI4",
dplane_op2str(op), mac, ifp->name, &vtep_ip);
ctx = dplane_ctx_alloc();
ctx->zd_op = op;
/* Common init for the ctx */
dplane_mac_init(ctx, ifp, br_ifp, vid, mac, vni, vtep_ip, sticky,
nhg_id, update_flags);
/* Enqueue for processing on the dplane pthread */
ret = dplane_update_enqueue(ctx);
/* Increment counter */
atomic_fetch_add_explicit(&zdplane_info.dg_macs_in, 1,
memory_order_relaxed);
if (ret == AOK)
result = ZEBRA_DPLANE_REQUEST_QUEUED;
else {
/* Error counter */
atomic_fetch_add_explicit(&zdplane_info.dg_mac_errors, 1,
memory_order_relaxed);
dplane_ctx_free(&ctx);
}
return result;
}
/*
* Enqueue evpn neighbor add for the dataplane.
*/
enum zebra_dplane_result dplane_rem_neigh_add(const struct interface *ifp,
const struct ipaddr *ip,
const struct ethaddr *mac,
uint32_t flags, bool was_static)
{
enum zebra_dplane_result result = ZEBRA_DPLANE_REQUEST_FAILURE;
uint32_t update_flags = 0;
update_flags |= DPLANE_NEIGH_REMOTE;
if (was_static)
update_flags |= DPLANE_NEIGH_WAS_STATIC;
result = neigh_update_internal(
DPLANE_OP_NEIGH_INSTALL, ifp, (const void *)mac, AF_ETHERNET,
ip, 0, flags, DPLANE_NUD_NOARP, update_flags, 0);
return result;
}
/*
* Enqueue local neighbor add for the dataplane.
*/
enum zebra_dplane_result dplane_local_neigh_add(const struct interface *ifp,
const struct ipaddr *ip,
const struct ethaddr *mac,
bool set_router, bool set_static,
bool set_inactive)
{
enum zebra_dplane_result result = ZEBRA_DPLANE_REQUEST_FAILURE;
uint32_t update_flags = 0;
uint32_t ntf = 0;
uint16_t state;
if (set_static)
update_flags |= DPLANE_NEIGH_SET_STATIC;
if (set_inactive) {
update_flags |= DPLANE_NEIGH_SET_INACTIVE;
state = DPLANE_NUD_STALE;
} else {
state = DPLANE_NUD_REACHABLE;
}
if (set_router)
ntf |= DPLANE_NTF_ROUTER;
result = neigh_update_internal(DPLANE_OP_NEIGH_INSTALL, ifp,
(const void *)mac, AF_ETHERNET, ip, 0,
ntf, state, update_flags, 0);
return result;
}
/*
* Enqueue evpn neighbor delete for the dataplane.
*/
enum zebra_dplane_result dplane_rem_neigh_delete(const struct interface *ifp,
const struct ipaddr *ip)
{
enum zebra_dplane_result result;
uint32_t update_flags = 0;
update_flags |= DPLANE_NEIGH_REMOTE;
result = neigh_update_internal(DPLANE_OP_NEIGH_DELETE, ifp, NULL,
AF_ETHERNET, ip, 0, 0, 0, update_flags,
0);
return result;
}
/*
* Enqueue evpn VTEP add for the dataplane.
*/
enum zebra_dplane_result dplane_vtep_add(const struct interface *ifp,
const struct in_addr *ip,
vni_t vni)
{
enum zebra_dplane_result result;
struct ethaddr mac = { {0, 0, 0, 0, 0, 0} };
struct ipaddr addr;
if (IS_ZEBRA_DEBUG_VXLAN)
zlog_debug("Install %pI4 into flood list for VNI %u intf %s(%u)",
ip, vni, ifp->name, ifp->ifindex);
SET_IPADDR_V4(&addr);
addr.ipaddr_v4 = *ip;
result = neigh_update_internal(DPLANE_OP_VTEP_ADD, ifp, &mac,
AF_ETHERNET, &addr, vni, 0, 0, 0, 0);
return result;
}
/*
* Enqueue evpn VTEP add for the dataplane.
*/
enum zebra_dplane_result dplane_vtep_delete(const struct interface *ifp,
const struct in_addr *ip,
vni_t vni)
{
enum zebra_dplane_result result;
struct ethaddr mac = { {0, 0, 0, 0, 0, 0} };
struct ipaddr addr;
if (IS_ZEBRA_DEBUG_VXLAN)
zlog_debug(
"Uninstall %pI4 from flood list for VNI %u intf %s(%u)",
ip, vni, ifp->name, ifp->ifindex);
SET_IPADDR_V4(&addr);
addr.ipaddr_v4 = *ip;
result = neigh_update_internal(DPLANE_OP_VTEP_DELETE, ifp,
(const void *)&mac, AF_ETHERNET, &addr,
vni, 0, 0, 0, 0);
return result;
}
enum zebra_dplane_result dplane_neigh_discover(const struct interface *ifp,
const struct ipaddr *ip)
{
enum zebra_dplane_result result;
result = neigh_update_internal(DPLANE_OP_NEIGH_DISCOVER, ifp, NULL,
AF_ETHERNET, ip, 0, DPLANE_NTF_USE,
DPLANE_NUD_INCOMPLETE, 0, 0);
return result;
}
enum zebra_dplane_result dplane_neigh_table_update(const struct interface *ifp,
const uint8_t family,
const uint32_t app_probes,
const uint32_t ucast_probes,
const uint32_t mcast_probes)
{
enum zebra_dplane_result result = ZEBRA_DPLANE_REQUEST_FAILURE;
int ret;
struct zebra_dplane_ctx *ctx = NULL;
struct zebra_ns *zns;
enum dplane_op_e op = DPLANE_OP_NEIGH_TABLE_UPDATE;
if (IS_ZEBRA_DEBUG_DPLANE_DETAIL) {
zlog_debug("set neigh ctx %s: ifp %s, family %s",
dplane_op2str(op), ifp->name, family2str(family));
}
ctx = dplane_ctx_alloc();
ctx->zd_op = op;
ctx->zd_status = ZEBRA_DPLANE_REQUEST_SUCCESS;
ctx->zd_vrf_id = ifp->vrf->vrf_id;
zns = zebra_ns_lookup(ifp->vrf->vrf_id);
dplane_ctx_ns_init(ctx, zns, false);
strlcpy(ctx->zd_ifname, ifp->name, sizeof(ctx->zd_ifname));
ctx->zd_ifindex = ifp->ifindex;
/* Init the neighbor-specific data area */
memset(&ctx->u.neightable, 0, sizeof(ctx->u.neightable));
ctx->u.neightable.family = family;
ctx->u.neightable.app_probes = app_probes;
ctx->u.neightable.ucast_probes = ucast_probes;
ctx->u.neightable.mcast_probes = mcast_probes;
/* Enqueue for processing on the dplane pthread */
ret = dplane_update_enqueue(ctx);
/* Increment counter */
atomic_fetch_add_explicit(&zdplane_info.dg_neightable_in, 1,
memory_order_relaxed);
if (ret == AOK)
result = ZEBRA_DPLANE_REQUEST_QUEUED;
else {
/* Error counter */
atomic_fetch_add_explicit(&zdplane_info.dg_neightable_errors, 1,
memory_order_relaxed);
dplane_ctx_free(&ctx);
}
return result;
}
/*
* Common helper api for neighbor updates
*/
static enum zebra_dplane_result
neigh_update_internal(enum dplane_op_e op, const struct interface *ifp,
const void *link, const int link_family,
const struct ipaddr *ip, vni_t vni, uint32_t flags,
uint16_t state, uint32_t update_flags, int protocol)
{
enum zebra_dplane_result result = ZEBRA_DPLANE_REQUEST_FAILURE;
int ret;
struct zebra_dplane_ctx *ctx = NULL;
struct zebra_ns *zns;
const struct ethaddr *mac = NULL;
const struct ipaddr *link_ip = NULL;
if (link_family == AF_ETHERNET)
mac = (const struct ethaddr *)link;
else
link_ip = (const struct ipaddr *)link;
if (IS_ZEBRA_DEBUG_DPLANE_DETAIL) {
char buf1[PREFIX_STRLEN];
buf1[0] = '\0';
if (link_family == AF_ETHERNET)
prefix_mac2str(mac, buf1, sizeof(buf1));
else
ipaddr2str(link_ip, buf1, sizeof(buf1));
zlog_debug("init neigh ctx %s: ifp %s, %s %s, ip %pIA",
dplane_op2str(op), ifp->name,
link_family == AF_ETHERNET ? "mac" : "link", buf1,
ip);
}
ctx = dplane_ctx_alloc();
ctx->zd_op = op;
ctx->zd_status = ZEBRA_DPLANE_REQUEST_SUCCESS;
ctx->zd_vrf_id = ifp->vrf->vrf_id;
dplane_ctx_set_type(ctx, protocol);
zns = zebra_ns_lookup(ifp->vrf->vrf_id);
dplane_ctx_ns_init(ctx, zns, false);
strlcpy(ctx->zd_ifname, ifp->name, sizeof(ctx->zd_ifname));
ctx->zd_ifindex = ifp->ifindex;
/* Init the neighbor-specific data area */
memset(&ctx->u.neigh, 0, sizeof(ctx->u.neigh));
ctx->u.neigh.ip_addr = *ip;
if (mac)
ctx->u.neigh.link.mac = *mac;
else if (link_ip)
ctx->u.neigh.link.ip_addr = *link_ip;
ctx->u.neigh.flags = flags;
ctx->u.neigh.vni = vni;
ctx->u.neigh.state = state;
ctx->u.neigh.update_flags = update_flags;
/* Enqueue for processing on the dplane pthread */
ret = dplane_update_enqueue(ctx);
/* Increment counter */
atomic_fetch_add_explicit(&zdplane_info.dg_neighs_in, 1,
memory_order_relaxed);
if (ret == AOK)
result = ZEBRA_DPLANE_REQUEST_QUEUED;
else {
/* Error counter */
atomic_fetch_add_explicit(&zdplane_info.dg_neigh_errors, 1,
memory_order_relaxed);
dplane_ctx_free(&ctx);
}
return result;
}
/*
* Common helper api for PBR rule updates
*/
static enum zebra_dplane_result
rule_update_internal(enum dplane_op_e op, struct zebra_pbr_rule *new_rule,
struct zebra_pbr_rule *old_rule)
{
enum zebra_dplane_result result = ZEBRA_DPLANE_REQUEST_FAILURE;
struct zebra_dplane_ctx *ctx;
int ret;
ctx = dplane_ctx_alloc();
ret = dplane_ctx_rule_init(ctx, op, new_rule, old_rule);
if (ret != AOK)
goto done;
ret = dplane_update_enqueue(ctx);
done:
atomic_fetch_add_explicit(&zdplane_info.dg_rules_in, 1,
memory_order_relaxed);
if (ret == AOK)
result = ZEBRA_DPLANE_REQUEST_QUEUED;
else {
atomic_fetch_add_explicit(&zdplane_info.dg_rule_errors, 1,
memory_order_relaxed);
dplane_ctx_free(&ctx);
}
return result;
}
enum zebra_dplane_result dplane_pbr_rule_add(struct zebra_pbr_rule *rule)
{
return rule_update_internal(DPLANE_OP_RULE_ADD, rule, NULL);
}
enum zebra_dplane_result dplane_pbr_rule_delete(struct zebra_pbr_rule *rule)
{
return rule_update_internal(DPLANE_OP_RULE_DELETE, rule, NULL);
}
enum zebra_dplane_result dplane_pbr_rule_update(struct zebra_pbr_rule *old_rule,
struct zebra_pbr_rule *new_rule)
{
return rule_update_internal(DPLANE_OP_RULE_UPDATE, new_rule, old_rule);
}
/*
* Common helper api for iptable updates
*/
static enum zebra_dplane_result
iptable_update_internal(enum dplane_op_e op, struct zebra_pbr_iptable *iptable)
{
enum zebra_dplane_result result = ZEBRA_DPLANE_REQUEST_FAILURE;
struct zebra_dplane_ctx *ctx;
int ret;
if ((op == DPLANE_OP_IPTABLE_ADD &&
CHECK_FLAG(iptable->internal_flags, IPTABLE_INSTALL_QUEUED)) ||
(op == DPLANE_OP_IPTABLE_DELETE &&
CHECK_FLAG(iptable->internal_flags, IPTABLE_UNINSTALL_QUEUED))) {
if (IS_ZEBRA_DEBUG_DPLANE_DETAIL)
zlog_debug(
"update dplane ctx %s: iptable %s already in progress",
dplane_op2str(op), iptable->ipset_name);
return result;
}
ctx = dplane_ctx_alloc();
ret = dplane_ctx_iptable_init(ctx, op, iptable);
if (ret != AOK)
goto done;
ret = dplane_update_enqueue(ctx);
done:
atomic_fetch_add_explicit(&zdplane_info.dg_iptable_in, 1,
memory_order_relaxed);
if (ret == AOK) {
result = ZEBRA_DPLANE_REQUEST_QUEUED;
if (op == DPLANE_OP_IPTABLE_ADD)
SET_FLAG(iptable->internal_flags,
IPTABLE_INSTALL_QUEUED);
else
SET_FLAG(iptable->internal_flags,
IPTABLE_UNINSTALL_QUEUED);
} else {
atomic_fetch_add_explicit(&zdplane_info.dg_iptable_errors, 1,
memory_order_relaxed);
dplane_ctx_free(&ctx);
}
return result;
}
enum zebra_dplane_result
dplane_pbr_iptable_add(struct zebra_pbr_iptable *iptable)
{
return iptable_update_internal(DPLANE_OP_IPTABLE_ADD, iptable);
}
enum zebra_dplane_result
dplane_pbr_iptable_delete(struct zebra_pbr_iptable *iptable)
{
return iptable_update_internal(DPLANE_OP_IPTABLE_DELETE, iptable);
}
/*
* Common helper api for ipset updates
*/
static enum zebra_dplane_result
ipset_update_internal(enum dplane_op_e op, struct zebra_pbr_ipset *ipset)
{
enum zebra_dplane_result result = ZEBRA_DPLANE_REQUEST_FAILURE;
struct zebra_dplane_ctx *ctx;
int ret;
ctx = dplane_ctx_alloc();
ret = dplane_ctx_ipset_init(ctx, op, ipset);
if (ret != AOK)
goto done;
ret = dplane_update_enqueue(ctx);
done:
atomic_fetch_add_explicit(&zdplane_info.dg_ipset_in, 1,
memory_order_relaxed);
if (ret == AOK)
result = ZEBRA_DPLANE_REQUEST_QUEUED;
else {
atomic_fetch_add_explicit(&zdplane_info.dg_ipset_errors, 1,
memory_order_relaxed);
dplane_ctx_free(&ctx);
}
return result;
}
enum zebra_dplane_result dplane_pbr_ipset_add(struct zebra_pbr_ipset *ipset)
{
return ipset_update_internal(DPLANE_OP_IPSET_ADD, ipset);
}
enum zebra_dplane_result dplane_pbr_ipset_delete(struct zebra_pbr_ipset *ipset)
{
return ipset_update_internal(DPLANE_OP_IPSET_DELETE, ipset);
}
/*
* Common helper api for ipset updates
*/
static enum zebra_dplane_result
ipset_entry_update_internal(enum dplane_op_e op,
struct zebra_pbr_ipset_entry *ipset_entry)
{
enum zebra_dplane_result result = ZEBRA_DPLANE_REQUEST_FAILURE;
struct zebra_dplane_ctx *ctx;
int ret;
ctx = dplane_ctx_alloc();
ret = dplane_ctx_ipset_entry_init(ctx, op, ipset_entry);
if (ret != AOK)
goto done;
ret = dplane_update_enqueue(ctx);
done:
atomic_fetch_add_explicit(&zdplane_info.dg_ipset_entry_in, 1,
memory_order_relaxed);
if (ret == AOK)
result = ZEBRA_DPLANE_REQUEST_QUEUED;
else {
atomic_fetch_add_explicit(&zdplane_info.dg_ipset_entry_errors,
1, memory_order_relaxed);
dplane_ctx_free(&ctx);
}
return result;
}
enum zebra_dplane_result
dplane_pbr_ipset_entry_add(struct zebra_pbr_ipset_entry *ipset)
{
return ipset_entry_update_internal(DPLANE_OP_IPSET_ENTRY_ADD, ipset);
}
enum zebra_dplane_result
dplane_pbr_ipset_entry_delete(struct zebra_pbr_ipset_entry *ipset)
{
return ipset_entry_update_internal(DPLANE_OP_IPSET_ENTRY_DELETE, ipset);
}
/*
* Common helper api for GRE set
*/
enum zebra_dplane_result
dplane_gre_set(struct interface *ifp, struct interface *ifp_link,
unsigned int mtu, const struct zebra_l2info_gre *gre_info)
{
enum zebra_dplane_result result = ZEBRA_DPLANE_REQUEST_FAILURE;
struct zebra_dplane_ctx *ctx;
enum dplane_op_e op = DPLANE_OP_GRE_SET;
int ret;
struct zebra_ns *zns;
ctx = dplane_ctx_alloc();
if (!ifp) {
ret = EINVAL;
goto done;
}
if (IS_ZEBRA_DEBUG_DPLANE_DETAIL) {
zlog_debug("init dplane ctx %s: if %s link %s%s",
dplane_op2str(op), ifp->name,
ifp_link ? "set" : "unset", ifp_link ?
ifp_link->name : "");
}
ctx->zd_op = op;
ctx->zd_status = ZEBRA_DPLANE_REQUEST_SUCCESS;
zns = zebra_ns_lookup(ifp->vrf->vrf_id);
if (!zns) {
ret = EINVAL;
goto done;
}
dplane_ctx_ns_init(ctx, zns, false);
dplane_ctx_set_ifname(ctx, ifp->name);
ctx->zd_vrf_id = ifp->vrf->vrf_id;
ctx->zd_ifindex = ifp->ifindex;
if (ifp_link)
ctx->u.gre.link_ifindex = ifp_link->ifindex;
else
ctx->u.gre.link_ifindex = 0;
if (gre_info)
memcpy(&ctx->u.gre.info, gre_info, sizeof(ctx->u.gre.info));
ctx->u.gre.mtu = mtu;
ctx->zd_status = ZEBRA_DPLANE_REQUEST_SUCCESS;
/* Enqueue context for processing */
ret = dplane_update_enqueue(ctx);
done:
/* Update counter */
atomic_fetch_add_explicit(&zdplane_info.dg_gre_set_in, 1,
memory_order_relaxed);
if (ret == AOK)
result = ZEBRA_DPLANE_REQUEST_QUEUED;
else {
atomic_fetch_add_explicit(
&zdplane_info.dg_gre_set_errors, 1,
memory_order_relaxed);
dplane_ctx_free(&ctx);
result = ZEBRA_DPLANE_REQUEST_FAILURE;
}
return result;
}
/*
* Common helper api for SRv6 encapsulation source address set
*/
enum zebra_dplane_result
dplane_srv6_encap_srcaddr_set(const struct in6_addr *addr, ns_id_t ns_id)
{
enum zebra_dplane_result result = ZEBRA_DPLANE_REQUEST_FAILURE;
struct zebra_dplane_ctx *ctx = NULL;
enum dplane_op_e op = DPLANE_OP_SRV6_ENCAP_SRCADDR_SET;
int ret;
struct zebra_ns *zns;
if (!addr)
return result;
if (IS_ZEBRA_DEBUG_DPLANE_DETAIL) {
zlog_debug("init dplane ctx %s: addr %pI6", dplane_op2str(op),
addr);
}
zns = zebra_ns_lookup(ns_id);
if (!zns)
return result;
ctx = dplane_ctx_alloc();
ctx->zd_op = op;
ctx->zd_status = ZEBRA_DPLANE_REQUEST_SUCCESS;
dplane_ctx_ns_init(ctx, zns, false);
/* Init the SRv6 encap source address specific data area */
memcpy(&ctx->u.srv6_encap.srcaddr, addr,
sizeof(ctx->u.srv6_encap.srcaddr));
/* Update counter */
atomic_fetch_add_explicit(&zdplane_info.dg_srv6_encap_srcaddr_set_in, 1,
memory_order_relaxed);
/* Enqueue context for processing */
ret = dplane_update_enqueue(ctx);
if (ret == AOK)
result = ZEBRA_DPLANE_REQUEST_QUEUED;
else {
atomic_fetch_add_explicit(&zdplane_info
.dg_srv6_encap_srcaddr_set_errors,
1, memory_order_relaxed);
dplane_ctx_free(&ctx);
}
return result;
}
/*
* Handler for 'show dplane'
*/
int dplane_show_helper(struct vty *vty, bool detailed)
{
uint64_t queued, queue_max, limit, errs, incoming, yields,
other_errs;
/* Using atomics because counters are being changed in different
* pthread contexts.
*/
incoming = atomic_load_explicit(&zdplane_info.dg_routes_in,
memory_order_relaxed);
limit = atomic_load_explicit(&zdplane_info.dg_max_queued_updates,
memory_order_relaxed);
queued = atomic_load_explicit(&zdplane_info.dg_routes_queued,
memory_order_relaxed);
queue_max = atomic_load_explicit(&zdplane_info.dg_routes_queued_max,
memory_order_relaxed);
errs = atomic_load_explicit(&zdplane_info.dg_route_errors,
memory_order_relaxed);
yields = atomic_load_explicit(&zdplane_info.dg_update_yields,
memory_order_relaxed);
other_errs = atomic_load_explicit(&zdplane_info.dg_other_errors,
memory_order_relaxed);
vty_out(vty, "Zebra dataplane:\nRoute updates: %"PRIu64"\n",
incoming);
vty_out(vty, "Route update errors: %"PRIu64"\n", errs);
vty_out(vty, "Other errors : %"PRIu64"\n", other_errs);
vty_out(vty, "Route update queue limit: %"PRIu64"\n", limit);
vty_out(vty, "Route update queue depth: %"PRIu64"\n", queued);
vty_out(vty, "Route update queue max: %"PRIu64"\n", queue_max);
vty_out(vty, "Dplane update yields: %"PRIu64"\n", yields);
incoming = atomic_load_explicit(&zdplane_info.dg_lsps_in,
memory_order_relaxed);
errs = atomic_load_explicit(&zdplane_info.dg_lsp_errors,
memory_order_relaxed);
vty_out(vty, "LSP updates: %"PRIu64"\n", incoming);
vty_out(vty, "LSP update errors: %"PRIu64"\n", errs);
incoming = atomic_load_explicit(&zdplane_info.dg_pws_in,
memory_order_relaxed);
errs = atomic_load_explicit(&zdplane_info.dg_pw_errors,
memory_order_relaxed);
vty_out(vty, "PW updates: %"PRIu64"\n", incoming);
vty_out(vty, "PW update errors: %"PRIu64"\n", errs);
incoming = atomic_load_explicit(&zdplane_info.dg_intf_addrs_in,
memory_order_relaxed);
errs = atomic_load_explicit(&zdplane_info.dg_intf_addr_errors,
memory_order_relaxed);
vty_out(vty, "Intf addr updates: %"PRIu64"\n", incoming);
vty_out(vty, "Intf addr errors: %"PRIu64"\n", errs);
incoming = atomic_load_explicit(&zdplane_info.dg_intf_changes,
memory_order_relaxed);
errs = atomic_load_explicit(&zdplane_info.dg_intf_changes_errors,
memory_order_relaxed);
vty_out(vty, "Intf change updates: %" PRIu64 "\n", incoming);
vty_out(vty, "Intf change errors: %" PRIu64 "\n", errs);
incoming = atomic_load_explicit(&zdplane_info.dg_macs_in,
memory_order_relaxed);
errs = atomic_load_explicit(&zdplane_info.dg_mac_errors,
memory_order_relaxed);
vty_out(vty, "EVPN MAC updates: %"PRIu64"\n", incoming);
vty_out(vty, "EVPN MAC errors: %"PRIu64"\n", errs);
incoming = atomic_load_explicit(&zdplane_info.dg_neighs_in,
memory_order_relaxed);
errs = atomic_load_explicit(&zdplane_info.dg_neigh_errors,
memory_order_relaxed);
vty_out(vty, "EVPN neigh updates: %"PRIu64"\n", incoming);
vty_out(vty, "EVPN neigh errors: %"PRIu64"\n", errs);
incoming = atomic_load_explicit(&zdplane_info.dg_rules_in,
memory_order_relaxed);
errs = atomic_load_explicit(&zdplane_info.dg_rule_errors,
memory_order_relaxed);
vty_out(vty, "Rule updates: %" PRIu64 "\n", incoming);
vty_out(vty, "Rule errors: %" PRIu64 "\n", errs);
incoming = atomic_load_explicit(&zdplane_info.dg_br_port_in,
memory_order_relaxed);
errs = atomic_load_explicit(&zdplane_info.dg_br_port_errors,
memory_order_relaxed);
vty_out(vty, "Bridge port updates: %" PRIu64 "\n", incoming);
vty_out(vty, "Bridge port errors: %" PRIu64 "\n", errs);
incoming = atomic_load_explicit(&zdplane_info.dg_iptable_in,
memory_order_relaxed);
errs = atomic_load_explicit(&zdplane_info.dg_iptable_errors,
memory_order_relaxed);
vty_out(vty, "IPtable updates: %" PRIu64 "\n", incoming);
vty_out(vty, "IPtable errors: %" PRIu64 "\n", errs);
incoming = atomic_load_explicit(&zdplane_info.dg_ipset_in,
memory_order_relaxed);
errs = atomic_load_explicit(&zdplane_info.dg_ipset_errors,
memory_order_relaxed);
vty_out(vty, "IPset updates: %" PRIu64 "\n", incoming);
vty_out(vty, "IPset errors: %" PRIu64 "\n", errs);
incoming = atomic_load_explicit(&zdplane_info.dg_ipset_entry_in,
memory_order_relaxed);
errs = atomic_load_explicit(&zdplane_info.dg_ipset_entry_errors,
memory_order_relaxed);
vty_out(vty, "IPset entry updates: %" PRIu64 "\n", incoming);
vty_out(vty, "IPset entry errors: %" PRIu64 "\n", errs);
incoming = atomic_load_explicit(&zdplane_info.dg_neightable_in,
memory_order_relaxed);
errs = atomic_load_explicit(&zdplane_info.dg_neightable_errors,
memory_order_relaxed);
vty_out(vty, "Neighbor Table updates: %"PRIu64"\n", incoming);
vty_out(vty, "Neighbor Table errors: %"PRIu64"\n", errs);
incoming = atomic_load_explicit(&zdplane_info.dg_gre_set_in,
memory_order_relaxed);
errs = atomic_load_explicit(&zdplane_info.dg_gre_set_errors,
memory_order_relaxed);
vty_out(vty, "GRE set updates: %"PRIu64"\n", incoming);
vty_out(vty, "GRE set errors: %"PRIu64"\n", errs);
return CMD_SUCCESS;
}
/*
* Handler for 'show dplane providers'
*/
int dplane_show_provs_helper(struct vty *vty, bool detailed)
{
struct zebra_dplane_provider *prov;
uint64_t in, in_q, in_max, out, out_q, out_max;
vty_out(vty, "Zebra dataplane providers:\n");
DPLANE_LOCK();
prov = dplane_prov_list_first(&zdplane_info.dg_providers);
DPLANE_UNLOCK();
/* Show counters, useful info from each registered provider */
while (prov) {
in = atomic_load_explicit(&prov->dp_in_counter,
memory_order_relaxed);
in_q = atomic_load_explicit(&prov->dp_in_queued,
memory_order_relaxed);
in_max = atomic_load_explicit(&prov->dp_in_max,
memory_order_relaxed);
out = atomic_load_explicit(&prov->dp_out_counter,
memory_order_relaxed);
out_q = atomic_load_explicit(&prov->dp_out_queued,
memory_order_relaxed);
out_max = atomic_load_explicit(&prov->dp_out_max,
memory_order_relaxed);
vty_out(vty, "%s (%u): in: %"PRIu64", q: %"PRIu64", q_max: %"PRIu64", out: %"PRIu64", q: %"PRIu64", q_max: %"PRIu64"\n",
prov->dp_name, prov->dp_id, in, in_q, in_max,
out, out_q, out_max);
prov = dplane_prov_list_next(&zdplane_info.dg_providers, prov);
}
return CMD_SUCCESS;
}
/*
* Helper for 'show run' etc.
*/
int dplane_config_write_helper(struct vty *vty)
{
if (zdplane_info.dg_max_queued_updates != DPLANE_DEFAULT_MAX_QUEUED)
vty_out(vty, "zebra dplane limit %u\n",
zdplane_info.dg_max_queued_updates);
return 0;
}
/*
* Provider registration
*/
int dplane_provider_register(const char *name,
enum dplane_provider_prio prio,
int flags,
int (*start_fp)(struct zebra_dplane_provider *),
int (*fp)(struct zebra_dplane_provider *),
int (*fini_fp)(struct zebra_dplane_provider *,
bool early),
void *data,
struct zebra_dplane_provider **prov_p)
{
int ret = 0;
struct zebra_dplane_provider *p = NULL, *last, *prev = NULL;
/* Validate */
if (fp == NULL) {
ret = EINVAL;
goto done;
}
if (prio <= DPLANE_PRIO_NONE ||
prio > DPLANE_PRIO_LAST) {
ret = EINVAL;
goto done;
}
/* Allocate and init new provider struct */
p = XCALLOC(MTYPE_DP_PROV, sizeof(struct zebra_dplane_provider));
pthread_mutex_init(&(p->dp_mutex), NULL);
dplane_ctx_list_init(&p->dp_ctx_in_list);
dplane_ctx_list_init(&p->dp_ctx_out_list);
p->dp_flags = flags;
p->dp_priority = prio;
p->dp_fp = fp;
p->dp_start = start_fp;
p->dp_fini = fini_fp;
p->dp_data = data;
/* Lock - the dplane pthread may be running */
DPLANE_LOCK();
p->dp_id = ++zdplane_info.dg_provider_id;
if (name)
strlcpy(p->dp_name, name, DPLANE_PROVIDER_NAMELEN);
else
snprintf(p->dp_name, DPLANE_PROVIDER_NAMELEN,
"provider-%u", p->dp_id);
/* Insert into list ordered by priority */
frr_each (dplane_prov_list, &zdplane_info.dg_providers, last) {
if (last->dp_priority > p->dp_priority)
break;
prev = last;
}
if (last)
dplane_prov_list_add_after(&zdplane_info.dg_providers, prev, p);
else
dplane_prov_list_add_tail(&zdplane_info.dg_providers, p);
/* And unlock */
DPLANE_UNLOCK();
if (IS_ZEBRA_DEBUG_DPLANE)
zlog_debug("dplane: registered new provider '%s' (%u), prio %d",
p->dp_name, p->dp_id, p->dp_priority);
done:
if (prov_p)
*prov_p = p;
return ret;
}
/* Accessors for provider attributes */
const char *dplane_provider_get_name(const struct zebra_dplane_provider *prov)
{
return prov->dp_name;
}
uint32_t dplane_provider_get_id(const struct zebra_dplane_provider *prov)
{
return prov->dp_id;
}
void *dplane_provider_get_data(const struct zebra_dplane_provider *prov)
{
return prov->dp_data;
}
int dplane_provider_get_work_limit(const struct zebra_dplane_provider *prov)
{
return zdplane_info.dg_updates_per_cycle;
}
/* Lock/unlock a provider's mutex - iff the provider was registered with
* the THREADED flag.
*/
void dplane_provider_lock(struct zebra_dplane_provider *prov)
{
if (dplane_provider_is_threaded(prov))
DPLANE_PROV_LOCK(prov);
}
void dplane_provider_unlock(struct zebra_dplane_provider *prov)
{
if (dplane_provider_is_threaded(prov))
DPLANE_PROV_UNLOCK(prov);
}
/*
* Dequeue and maintain associated counter
*/
struct zebra_dplane_ctx *dplane_provider_dequeue_in_ctx(
struct zebra_dplane_provider *prov)
{
struct zebra_dplane_ctx *ctx = NULL;
dplane_provider_lock(prov);
ctx = dplane_ctx_list_pop(&(prov->dp_ctx_in_list));
if (ctx) {
atomic_fetch_sub_explicit(&prov->dp_in_queued, 1,
memory_order_relaxed);
}
dplane_provider_unlock(prov);
return ctx;
}
/*
* Dequeue work to a list, return count
*/
int dplane_provider_dequeue_in_list(struct zebra_dplane_provider *prov,
struct dplane_ctx_list_head *listp)
{
int limit, ret;
struct zebra_dplane_ctx *ctx;
limit = zdplane_info.dg_updates_per_cycle;
dplane_provider_lock(prov);
for (ret = 0; ret < limit; ret++) {
ctx = dplane_ctx_list_pop(&(prov->dp_ctx_in_list));
if (ctx)
dplane_ctx_list_add_tail(listp, ctx);
else
break;
}
if (ret > 0)
atomic_fetch_sub_explicit(&prov->dp_in_queued, ret,
memory_order_relaxed);
dplane_provider_unlock(prov);
return ret;
}
uint32_t dplane_provider_out_ctx_queue_len(struct zebra_dplane_provider *prov)
{
return atomic_load_explicit(&(prov->dp_out_counter),
memory_order_relaxed);
}
/*
* Enqueue and maintain associated counter
*/
void dplane_provider_enqueue_out_ctx(struct zebra_dplane_provider *prov,
struct zebra_dplane_ctx *ctx)
{
uint64_t curr, high;
dplane_provider_lock(prov);
dplane_ctx_list_add_tail(&(prov->dp_ctx_out_list), ctx);
/* Maintain out-queue counters */
atomic_fetch_add_explicit(&(prov->dp_out_queued), 1,
memory_order_relaxed);
curr = atomic_load_explicit(&prov->dp_out_queued,
memory_order_relaxed);
high = atomic_load_explicit(&prov->dp_out_max,
memory_order_relaxed);
if (curr > high)
atomic_store_explicit(&prov->dp_out_max, curr,
memory_order_relaxed);
dplane_provider_unlock(prov);
atomic_fetch_add_explicit(&(prov->dp_out_counter), 1,
memory_order_relaxed);
}
static struct zebra_dplane_ctx *
dplane_provider_dequeue_out_ctx(struct zebra_dplane_provider *prov)
{
struct zebra_dplane_ctx *ctx;
ctx = dplane_ctx_list_pop(&(prov->dp_ctx_out_list));
if (!ctx)
return NULL;
atomic_fetch_sub_explicit(&(prov->dp_out_queued), 1,
memory_order_relaxed);
return ctx;
}
/*
* Accessor for provider object
*/
bool dplane_provider_is_threaded(const struct zebra_dplane_provider *prov)
{
return CHECK_FLAG(prov->dp_flags, DPLANE_PROV_FLAG_THREADED);
}
#ifdef HAVE_NETLINK
/*
* Callback when an OS (netlink) incoming event read is ready. This runs
* in the dplane pthread.
*/
static void dplane_incoming_read(struct event *event)
{
struct dplane_zns_info *zi = EVENT_ARG(event);
kernel_dplane_read(&zi->info);
/* Re-start read task */
event_add_read(zdplane_info.dg_master, dplane_incoming_read, zi,
zi->info.sock, &zi->t_read);
}
/*
* Callback in the dataplane pthread that requests info from the OS and
* initiates netlink reads.
*/
static void dplane_incoming_request(struct event *event)
{
struct dplane_zns_info *zi = EVENT_ARG(event);
/* Start read task */
event_add_read(zdplane_info.dg_master, dplane_incoming_read, zi,
zi->info.sock, &zi->t_read);
/* Send requests */
netlink_request_netconf(zi->info.sock);
}
/*
* Initiate requests for existing info from the OS. This is called by the
* main pthread, but we want all activity on the dplane netlink socket to
* take place on the dplane pthread, so we schedule an event to accomplish
* that.
*/
static void dplane_kernel_info_request(struct dplane_zns_info *zi)
{
/* If we happen to encounter an enabled zns before the dplane
* pthread is running, we'll initiate this later on.
*/
if (zdplane_info.dg_master)
event_add_event(zdplane_info.dg_master, dplane_incoming_request,
zi, 0, &zi->t_request);
}
#endif /* HAVE_NETLINK */
/*
* Notify dplane when namespaces are enabled and disabled. The dplane
* needs to start and stop reading incoming events from the zns. In the
* common case where vrfs are _not_ namespaces, there will only be one
* of these.
*
* This is called in the main pthread.
*/
void zebra_dplane_ns_enable(struct zebra_ns *zns, bool enabled)
{
struct dplane_zns_info *zi;
if (IS_ZEBRA_DEBUG_DPLANE)
zlog_debug("%s: %s for nsid %u", __func__,
(enabled ? "ENABLED" : "DISABLED"), zns->ns_id);
/* Search for an existing zns info entry */
frr_each (zns_info_list, &zdplane_info.dg_zns_list, zi) {
if (zi->info.ns_id == zns->ns_id)
break;
}
if (enabled) {
/* Create a new entry if necessary; start reading. */
if (zi == NULL) {
zi = XCALLOC(MTYPE_DP_NS, sizeof(*zi));
zi->info.ns_id = zns->ns_id;
zns_info_list_add_tail(&zdplane_info.dg_zns_list, zi);
if (IS_ZEBRA_DEBUG_DPLANE)
zlog_debug("%s: nsid %u, new zi %p", __func__,
zns->ns_id, zi);
}
/* Make sure we're up-to-date with the zns object */
#if defined(HAVE_NETLINK)
zi->info.is_cmd = false;
zi->info.sock = zns->netlink_dplane_in.sock;
/* Initiate requests for existing info from the OS, and
* begin reading from the netlink socket.
*/
dplane_kernel_info_request(zi);
#endif
} else if (zi) {
if (IS_ZEBRA_DEBUG_DPLANE)
zlog_debug("%s: nsid %u, deleting zi %p", __func__,
zns->ns_id, zi);
/* Stop reading, free memory */
zns_info_list_del(&zdplane_info.dg_zns_list, zi);
/* Stop any outstanding tasks */
if (zdplane_info.dg_master) {
event_cancel_async(zdplane_info.dg_master,
&zi->t_request, NULL);
event_cancel_async(zdplane_info.dg_master, &zi->t_read,
NULL);
}
XFREE(MTYPE_DP_NS, zi);
}
}
/*
* Provider api to signal that work/events are available
* for the dataplane pthread.
*/
int dplane_provider_work_ready(void)
{
/* Note that during zebra startup, we may be offered work before
* the dataplane pthread (and thread-master) are ready. We want to
* enqueue the work, but the event-scheduling machinery may not be
* available.
*/
if (zdplane_info.dg_run) {
event_add_event(zdplane_info.dg_master, dplane_thread_loop,
NULL, 0, &zdplane_info.dg_t_update);
}
return AOK;
}
/*
* Enqueue a context directly to zebra main.
*/
void dplane_provider_enqueue_to_zebra(struct zebra_dplane_ctx *ctx)
{
struct dplane_ctx_list_head temp_list;
/* Zebra's api takes a list, so we need to use a temporary list */
dplane_ctx_list_init(&temp_list);
dplane_ctx_list_add_tail(&temp_list, ctx);
(zdplane_info.dg_results_cb)(&temp_list);
}
/*
* Kernel dataplane provider
*/
static void kernel_dplane_log_detail(struct zebra_dplane_ctx *ctx)
{
char buf[PREFIX_STRLEN];
switch (dplane_ctx_get_op(ctx)) {
case DPLANE_OP_ROUTE_INSTALL:
case DPLANE_OP_ROUTE_UPDATE:
case DPLANE_OP_ROUTE_DELETE:
zlog_debug("%u:%pFX Dplane route update ctx %p op %s",
dplane_ctx_get_vrf(ctx), dplane_ctx_get_dest(ctx),
ctx, dplane_op2str(dplane_ctx_get_op(ctx)));
break;
case DPLANE_OP_NH_INSTALL:
case DPLANE_OP_NH_UPDATE:
case DPLANE_OP_NH_DELETE:
zlog_debug("ID (%u) Dplane nexthop update ctx %p op %s",
dplane_ctx_get_nhe_id(ctx), ctx,
dplane_op2str(dplane_ctx_get_op(ctx)));
break;
case DPLANE_OP_LSP_INSTALL:
case DPLANE_OP_LSP_UPDATE:
case DPLANE_OP_LSP_DELETE:
break;
case DPLANE_OP_PW_INSTALL:
case DPLANE_OP_PW_UNINSTALL:
zlog_debug("Dplane pw %s: op %s af %d loc: %u rem: %u",
dplane_ctx_get_ifname(ctx),
dplane_op2str(ctx->zd_op), dplane_ctx_get_pw_af(ctx),
dplane_ctx_get_pw_local_label(ctx),
dplane_ctx_get_pw_remote_label(ctx));
break;
case DPLANE_OP_ADDR_INSTALL:
case DPLANE_OP_ADDR_UNINSTALL:
zlog_debug("Dplane intf %s, idx %u, addr %pFX",
dplane_op2str(dplane_ctx_get_op(ctx)),
dplane_ctx_get_ifindex(ctx),
dplane_ctx_get_intf_addr(ctx));
break;
case DPLANE_OP_MAC_INSTALL:
case DPLANE_OP_MAC_DELETE:
prefix_mac2str(dplane_ctx_mac_get_addr(ctx), buf,
sizeof(buf));
zlog_debug("Dplane %s, mac %s, ifindex %u",
dplane_op2str(dplane_ctx_get_op(ctx)),
buf, dplane_ctx_get_ifindex(ctx));
break;
case DPLANE_OP_NEIGH_INSTALL:
case DPLANE_OP_NEIGH_UPDATE:
case DPLANE_OP_NEIGH_DELETE:
case DPLANE_OP_VTEP_ADD:
case DPLANE_OP_VTEP_DELETE:
case DPLANE_OP_NEIGH_DISCOVER:
case DPLANE_OP_NEIGH_IP_INSTALL:
case DPLANE_OP_NEIGH_IP_DELETE:
ipaddr2str(dplane_ctx_neigh_get_ipaddr(ctx), buf,
sizeof(buf));
zlog_debug("Dplane %s, ip %s, ifindex %u",
dplane_op2str(dplane_ctx_get_op(ctx)),
buf, dplane_ctx_get_ifindex(ctx));
break;
case DPLANE_OP_RULE_ADD:
case DPLANE_OP_RULE_DELETE:
case DPLANE_OP_RULE_UPDATE:
zlog_debug("Dplane rule update op %s, if %s(%u), ctx %p",
dplane_op2str(dplane_ctx_get_op(ctx)),
dplane_ctx_get_ifname(ctx),
dplane_ctx_get_ifindex(ctx), ctx);
break;
case DPLANE_OP_SYS_ROUTE_ADD:
case DPLANE_OP_SYS_ROUTE_DELETE:
case DPLANE_OP_ROUTE_NOTIFY:
case DPLANE_OP_LSP_NOTIFY:
case DPLANE_OP_BR_PORT_UPDATE:
case DPLANE_OP_NONE:
break;
case DPLANE_OP_IPTABLE_ADD:
case DPLANE_OP_IPTABLE_DELETE: {
struct zebra_pbr_iptable ipt;
dplane_ctx_get_pbr_iptable(ctx, &ipt);
zlog_debug("Dplane iptable update op %s, unique(%u), ctx %p",
dplane_op2str(dplane_ctx_get_op(ctx)), ipt.unique,
ctx);
} break;
case DPLANE_OP_IPSET_ADD:
case DPLANE_OP_IPSET_DELETE: {
struct zebra_pbr_ipset ipset;
dplane_ctx_get_pbr_ipset(ctx, &ipset);
zlog_debug("Dplane ipset update op %s, unique(%u), ctx %p",
dplane_op2str(dplane_ctx_get_op(ctx)), ipset.unique,
ctx);
} break;
case DPLANE_OP_IPSET_ENTRY_ADD:
case DPLANE_OP_IPSET_ENTRY_DELETE: {
struct zebra_pbr_ipset_entry ipent;
dplane_ctx_get_pbr_ipset_entry(ctx, &ipent);
zlog_debug(
"Dplane ipset entry update op %s, unique(%u), ctx %p",
dplane_op2str(dplane_ctx_get_op(ctx)), ipent.unique,
ctx);
} break;
case DPLANE_OP_NEIGH_TABLE_UPDATE:
zlog_debug("Dplane neigh table op %s, ifp %s, family %s",
dplane_op2str(dplane_ctx_get_op(ctx)),
dplane_ctx_get_ifname(ctx),
family2str(dplane_ctx_neightable_get_family(ctx)));
break;
case DPLANE_OP_GRE_SET:
zlog_debug("Dplane gre set op %s, ifp %s, link %u",
dplane_op2str(dplane_ctx_get_op(ctx)),
dplane_ctx_get_ifname(ctx),
ctx->u.gre.link_ifindex);
break;
case DPLANE_OP_INTF_ADDR_ADD:
case DPLANE_OP_INTF_ADDR_DEL:
zlog_debug("Dplane incoming op %s, intf %s, addr %pFX",
dplane_op2str(dplane_ctx_get_op(ctx)),
dplane_ctx_get_ifname(ctx),
dplane_ctx_get_intf_addr(ctx));
break;
case DPLANE_OP_INTF_NETCONFIG:
zlog_debug("%s: ifindex %d, mpls %d, mcast %d",
dplane_op2str(dplane_ctx_get_op(ctx)),
dplane_ctx_get_ifindex(ctx),
dplane_ctx_get_netconf_mpls(ctx),
dplane_ctx_get_netconf_mcast(ctx));
break;
case DPLANE_OP_INTF_INSTALL:
case DPLANE_OP_INTF_UPDATE:
case DPLANE_OP_INTF_DELETE:
zlog_debug("Dplane intf %s, idx %u, protodown %d",
dplane_op2str(dplane_ctx_get_op(ctx)),
dplane_ctx_get_ifindex(ctx),
dplane_ctx_intf_is_protodown(ctx));
break;
/* TODO: more detailed log */
case DPLANE_OP_TC_QDISC_INSTALL:
case DPLANE_OP_TC_QDISC_UNINSTALL:
zlog_debug("Dplane tc qdisc ifidx %u",
dplane_ctx_get_ifindex(ctx));
break;
case DPLANE_OP_TC_CLASS_ADD:
case DPLANE_OP_TC_CLASS_DELETE:
case DPLANE_OP_TC_CLASS_UPDATE:
break;
case DPLANE_OP_TC_FILTER_ADD:
case DPLANE_OP_TC_FILTER_DELETE:
case DPLANE_OP_TC_FILTER_UPDATE:
case DPLANE_OP_STARTUP_STAGE:
break;
case DPLANE_OP_SRV6_ENCAP_SRCADDR_SET:
zlog_debug("Dplane SRv6 encap source address set op %s, addr %pI6",
dplane_op2str(dplane_ctx_get_op(ctx)),
&ctx->u.srv6_encap.srcaddr);
break;
}
}
static void kernel_dplane_handle_result(struct zebra_dplane_ctx *ctx)
{
enum zebra_dplane_result res = dplane_ctx_get_status(ctx);
switch (dplane_ctx_get_op(ctx)) {
case DPLANE_OP_ROUTE_INSTALL:
case DPLANE_OP_ROUTE_UPDATE:
case DPLANE_OP_ROUTE_DELETE:
if (res != ZEBRA_DPLANE_REQUEST_SUCCESS)
atomic_fetch_add_explicit(&zdplane_info.dg_route_errors,
1, memory_order_relaxed);
if ((dplane_ctx_get_op(ctx) != DPLANE_OP_ROUTE_DELETE)
&& (res == ZEBRA_DPLANE_REQUEST_SUCCESS)) {
struct nexthop *nexthop;
/* Update installed nexthops to signal which have been
* installed.
*/
for (ALL_NEXTHOPS_PTR(dplane_ctx_get_ng(ctx),
nexthop)) {
if (CHECK_FLAG(nexthop->flags,
NEXTHOP_FLAG_RECURSIVE))
continue;
if (CHECK_FLAG(nexthop->flags,
NEXTHOP_FLAG_ACTIVE)) {
SET_FLAG(nexthop->flags,
NEXTHOP_FLAG_FIB);
}
}
}
break;
case DPLANE_OP_NH_INSTALL:
case DPLANE_OP_NH_UPDATE:
case DPLANE_OP_NH_DELETE:
if (res != ZEBRA_DPLANE_REQUEST_SUCCESS)
atomic_fetch_add_explicit(
&zdplane_info.dg_nexthop_errors, 1,
memory_order_relaxed);
break;
case DPLANE_OP_LSP_INSTALL:
case DPLANE_OP_LSP_UPDATE:
case DPLANE_OP_LSP_DELETE:
if (res != ZEBRA_DPLANE_REQUEST_SUCCESS)
atomic_fetch_add_explicit(&zdplane_info.dg_lsp_errors,
1, memory_order_relaxed);
break;
case DPLANE_OP_PW_INSTALL:
case DPLANE_OP_PW_UNINSTALL:
if (res != ZEBRA_DPLANE_REQUEST_SUCCESS)
atomic_fetch_add_explicit(&zdplane_info.dg_pw_errors, 1,
memory_order_relaxed);
break;
case DPLANE_OP_ADDR_INSTALL:
case DPLANE_OP_ADDR_UNINSTALL:
if (res != ZEBRA_DPLANE_REQUEST_SUCCESS)
atomic_fetch_add_explicit(
&zdplane_info.dg_intf_addr_errors, 1,
memory_order_relaxed);
break;
case DPLANE_OP_MAC_INSTALL:
case DPLANE_OP_MAC_DELETE:
if (res != ZEBRA_DPLANE_REQUEST_SUCCESS)
atomic_fetch_add_explicit(&zdplane_info.dg_mac_errors,
1, memory_order_relaxed);
break;
case DPLANE_OP_NEIGH_INSTALL:
case DPLANE_OP_NEIGH_UPDATE:
case DPLANE_OP_NEIGH_DELETE:
case DPLANE_OP_VTEP_ADD:
case DPLANE_OP_VTEP_DELETE:
case DPLANE_OP_NEIGH_DISCOVER:
case DPLANE_OP_NEIGH_IP_INSTALL:
case DPLANE_OP_NEIGH_IP_DELETE:
if (res != ZEBRA_DPLANE_REQUEST_SUCCESS)
atomic_fetch_add_explicit(&zdplane_info.dg_neigh_errors,
1, memory_order_relaxed);
break;
case DPLANE_OP_RULE_ADD:
case DPLANE_OP_RULE_DELETE:
case DPLANE_OP_RULE_UPDATE:
if (res != ZEBRA_DPLANE_REQUEST_SUCCESS)
atomic_fetch_add_explicit(&zdplane_info.dg_rule_errors,
1, memory_order_relaxed);
break;
case DPLANE_OP_IPTABLE_ADD:
case DPLANE_OP_IPTABLE_DELETE:
if (res != ZEBRA_DPLANE_REQUEST_SUCCESS)
atomic_fetch_add_explicit(
&zdplane_info.dg_iptable_errors, 1,
memory_order_relaxed);
break;
case DPLANE_OP_IPSET_ADD:
case DPLANE_OP_IPSET_DELETE:
if (res != ZEBRA_DPLANE_REQUEST_SUCCESS)
atomic_fetch_add_explicit(&zdplane_info.dg_ipset_errors,
1, memory_order_relaxed);
break;
case DPLANE_OP_IPSET_ENTRY_ADD:
case DPLANE_OP_IPSET_ENTRY_DELETE:
if (res != ZEBRA_DPLANE_REQUEST_SUCCESS)
atomic_fetch_add_explicit(
&zdplane_info.dg_ipset_entry_errors, 1,
memory_order_relaxed);
break;
case DPLANE_OP_NEIGH_TABLE_UPDATE:
if (res != ZEBRA_DPLANE_REQUEST_SUCCESS)
atomic_fetch_add_explicit(
&zdplane_info.dg_neightable_errors, 1,
memory_order_relaxed);
break;
case DPLANE_OP_GRE_SET:
if (res != ZEBRA_DPLANE_REQUEST_SUCCESS)
atomic_fetch_add_explicit(
&zdplane_info.dg_gre_set_errors, 1,
memory_order_relaxed);
break;
case DPLANE_OP_INTF_INSTALL:
case DPLANE_OP_INTF_UPDATE:
case DPLANE_OP_INTF_DELETE:
if (res != ZEBRA_DPLANE_REQUEST_SUCCESS)
atomic_fetch_add_explicit(&zdplane_info.dg_intf_errors,
1, memory_order_relaxed);
break;
case DPLANE_OP_TC_QDISC_INSTALL:
case DPLANE_OP_TC_QDISC_UNINSTALL:
case DPLANE_OP_TC_CLASS_ADD:
case DPLANE_OP_TC_CLASS_DELETE:
case DPLANE_OP_TC_CLASS_UPDATE:
case DPLANE_OP_TC_FILTER_ADD:
case DPLANE_OP_TC_FILTER_DELETE:
case DPLANE_OP_TC_FILTER_UPDATE:
if (res != ZEBRA_DPLANE_REQUEST_SUCCESS)
atomic_fetch_add_explicit(&zdplane_info.dg_tcs_errors,
1, memory_order_relaxed);
break;
/* Ignore 'notifications' - no-op */
case DPLANE_OP_SYS_ROUTE_ADD:
case DPLANE_OP_SYS_ROUTE_DELETE:
case DPLANE_OP_ROUTE_NOTIFY:
case DPLANE_OP_LSP_NOTIFY:
case DPLANE_OP_BR_PORT_UPDATE:
break;
/* TODO -- error counters for incoming events? */
case DPLANE_OP_INTF_ADDR_ADD:
case DPLANE_OP_INTF_ADDR_DEL:
case DPLANE_OP_INTF_NETCONFIG:
break;
case DPLANE_OP_SRV6_ENCAP_SRCADDR_SET:
if (res != ZEBRA_DPLANE_REQUEST_SUCCESS)
atomic_fetch_add_explicit(&zdplane_info
.dg_srv6_encap_srcaddr_set_errors,
1, memory_order_relaxed);
break;
case DPLANE_OP_NONE:
case DPLANE_OP_STARTUP_STAGE:
if (res != ZEBRA_DPLANE_REQUEST_SUCCESS)
atomic_fetch_add_explicit(&zdplane_info.dg_other_errors,
1, memory_order_relaxed);
break;
}
}
static void kernel_dplane_process_iptable(struct zebra_dplane_provider *prov,
struct zebra_dplane_ctx *ctx)
{
zebra_pbr_process_iptable(ctx);
dplane_provider_enqueue_out_ctx(prov, ctx);
}
static void kernel_dplane_process_ipset(struct zebra_dplane_provider *prov,
struct zebra_dplane_ctx *ctx)
{
zebra_pbr_process_ipset(ctx);
dplane_provider_enqueue_out_ctx(prov, ctx);
}
static void
kernel_dplane_process_ipset_entry(struct zebra_dplane_provider *prov,
struct zebra_dplane_ctx *ctx)
{
zebra_pbr_process_ipset_entry(ctx);
dplane_provider_enqueue_out_ctx(prov, ctx);
}
void dplane_rib_add_multipath(afi_t afi, safi_t safi, struct prefix *p,
struct prefix_ipv6 *src_p, struct route_entry *re,
struct nexthop_group *ng, int startup,
struct zebra_dplane_ctx *ctx)
{
if (!ctx)
rib_add_multipath(afi, safi, p, src_p, re, ng, startup);
else {
dplane_ctx_route_init_basic(ctx, dplane_ctx_get_op(ctx), re, p,
src_p, afi, safi);
dplane_provider_enqueue_to_zebra(ctx);
}
}
/*
* Kernel provider callback
*/
static int kernel_dplane_process_func(struct zebra_dplane_provider *prov)
{
struct zebra_dplane_ctx *ctx;
struct dplane_ctx_list_head work_list;
int counter, limit;
dplane_ctx_list_init(&work_list);
limit = dplane_provider_get_work_limit(prov);
if (IS_ZEBRA_DEBUG_DPLANE_DETAIL)
zlog_debug("dplane provider '%s': processing",
dplane_provider_get_name(prov));
for (counter = 0; counter < limit; counter++) {
ctx = dplane_provider_dequeue_in_ctx(prov);
if (ctx == NULL)
break;
if (IS_ZEBRA_DEBUG_DPLANE_DETAIL)
kernel_dplane_log_detail(ctx);
if ((dplane_ctx_get_op(ctx) == DPLANE_OP_IPTABLE_ADD
|| dplane_ctx_get_op(ctx) == DPLANE_OP_IPTABLE_DELETE))
kernel_dplane_process_iptable(prov, ctx);
else if ((dplane_ctx_get_op(ctx) == DPLANE_OP_IPSET_ADD
|| dplane_ctx_get_op(ctx) == DPLANE_OP_IPSET_DELETE))
kernel_dplane_process_ipset(prov, ctx);
else if ((dplane_ctx_get_op(ctx) == DPLANE_OP_IPSET_ENTRY_ADD
|| dplane_ctx_get_op(ctx)
== DPLANE_OP_IPSET_ENTRY_DELETE))
kernel_dplane_process_ipset_entry(prov, ctx);
else
dplane_ctx_list_add_tail(&work_list, ctx);
}
kernel_update_multi(&work_list);
while ((ctx = dplane_ctx_list_pop(&work_list)) != NULL) {
kernel_dplane_handle_result(ctx);
dplane_provider_enqueue_out_ctx(prov, ctx);
}
/* Ensure that we'll run the work loop again if there's still
* more work to do.
*/
if (counter >= limit) {
if (IS_ZEBRA_DEBUG_DPLANE_DETAIL)
zlog_debug("dplane provider '%s' reached max updates %d",
dplane_provider_get_name(prov), counter);
atomic_fetch_add_explicit(&zdplane_info.dg_update_yields,
1, memory_order_relaxed);
dplane_provider_work_ready();
}
return 0;
}
static int kernel_dplane_shutdown_func(struct zebra_dplane_provider *prov,
bool early)
{
struct zebra_dplane_ctx *ctx;
if (early)
return 1;
ctx = dplane_provider_dequeue_in_ctx(prov);
while (ctx) {
dplane_ctx_free(&ctx);
ctx = dplane_provider_dequeue_in_ctx(prov);
}
ctx = dplane_provider_dequeue_out_ctx(prov);
while (ctx) {
dplane_ctx_free(&ctx);
ctx = dplane_provider_dequeue_out_ctx(prov);
}
return 1;
}
#ifdef DPLANE_TEST_PROVIDER
/*
* Test dataplane provider plugin
*/
/*
* Test provider process callback
*/
static int test_dplane_process_func(struct zebra_dplane_provider *prov)
{
struct zebra_dplane_ctx *ctx;
int counter, limit;
/* Just moving from 'in' queue to 'out' queue */
if (IS_ZEBRA_DEBUG_DPLANE_DETAIL)
zlog_debug("dplane provider '%s': processing",
dplane_provider_get_name(prov));
limit = dplane_provider_get_work_limit(prov);
for (counter = 0; counter < limit; counter++) {
ctx = dplane_provider_dequeue_in_ctx(prov);
if (ctx == NULL)
break;
if (IS_ZEBRA_DEBUG_DPLANE_DETAIL)
zlog_debug("dplane provider '%s': op %s",
dplane_provider_get_name(prov),
dplane_op2str(dplane_ctx_get_op(ctx)));
dplane_ctx_set_status(ctx, ZEBRA_DPLANE_REQUEST_SUCCESS);
dplane_provider_enqueue_out_ctx(prov, ctx);
}
if (IS_ZEBRA_DEBUG_DPLANE_DETAIL)
zlog_debug("dplane provider '%s': processed %d",
dplane_provider_get_name(prov), counter);
/* Ensure that we'll run the work loop again if there's still
* more work to do.
*/
if (counter >= limit)
dplane_provider_work_ready();
return 0;
}
/*
* Test provider shutdown/fini callback
*/
static int test_dplane_shutdown_func(struct zebra_dplane_provider *prov,
bool early)
{
if (IS_ZEBRA_DEBUG_DPLANE)
zlog_debug("dplane provider '%s': %sshutdown",
dplane_provider_get_name(prov),
early ? "early " : "");
return 0;
}
#endif /* DPLANE_TEST_PROVIDER */
/*
* Register default kernel provider
*/
static void dplane_provider_init(void)
{
int ret;
ret = dplane_provider_register("Kernel", DPLANE_PRIO_KERNEL,
DPLANE_PROV_FLAGS_DEFAULT, NULL,
kernel_dplane_process_func,
kernel_dplane_shutdown_func, NULL, NULL);
if (ret != AOK)
zlog_err("Unable to register kernel dplane provider: %d",
ret);
#ifdef DPLANE_TEST_PROVIDER
/* Optional test provider ... */
ret = dplane_provider_register("Test",
DPLANE_PRIO_PRE_KERNEL,
DPLANE_PROV_FLAGS_DEFAULT, NULL,
test_dplane_process_func,
test_dplane_shutdown_func,
NULL /* data */, NULL);
if (ret != AOK)
zlog_err("Unable to register test dplane provider: %d",
ret);
#endif /* DPLANE_TEST_PROVIDER */
}
/*
* Allow zebra code to walk the queue of pending contexts, evaluate each one
* using a callback function. If the function returns 'true', the context
* will be dequeued and freed without being processed.
*/
int dplane_clean_ctx_queue(bool (*context_cb)(struct zebra_dplane_ctx *ctx,
void *arg), void *val)
{
struct zebra_dplane_ctx *ctx;
struct dplane_ctx_list_head work_list;
dplane_ctx_list_init(&work_list);
if (context_cb == NULL)
return AOK;
/* Walk the pending context queue under the dplane lock. */
DPLANE_LOCK();
frr_each_safe (dplane_ctx_list, &zdplane_info.dg_update_list, ctx) {
if (context_cb(ctx, val)) {
dplane_ctx_list_del(&zdplane_info.dg_update_list, ctx);
dplane_ctx_list_add_tail(&work_list, ctx);
}
}
DPLANE_UNLOCK();
/* Now free any contexts selected by the caller, without holding
* the lock.
*/
while ((ctx = dplane_ctx_list_pop(&work_list)) != NULL)
dplane_ctx_fini(&ctx);
return AOK;
}
/* Indicates zebra shutdown/exit is in progress. Some operations may be
* simplified or skipped during shutdown processing.
*/
bool dplane_is_in_shutdown(void)
{
return zdplane_info.dg_is_shutdown;
}
/*
* Enable collection of extra info about interfaces in route updates.
*/
void dplane_enable_intf_extra_info(void)
{
dplane_collect_extra_intf_info = true;
}
/*
* Early or pre-shutdown, de-init notification api. This runs pretty
* early during zebra shutdown, as a signal to stop new work and prepare
* for updates generated by shutdown/cleanup activity, as zebra tries to
* remove everything it's responsible for.
* NB: This runs in the main zebra pthread context.
*/
void zebra_dplane_pre_finish(void)
{
struct zebra_dplane_provider *prov;
if (IS_ZEBRA_DEBUG_DPLANE)
zlog_debug("Zebra dataplane pre-finish called");
zdplane_info.dg_is_shutdown = true;
/* Notify provider(s) of pending shutdown. */
frr_each (dplane_prov_list, &zdplane_info.dg_providers, prov) {
if (prov->dp_fini == NULL)
continue;
prov->dp_fini(prov, true /* early */);
}
}
/*
* Utility to determine whether work remains enqueued within the dplane;
* used during system shutdown processing.
*/
static bool dplane_work_pending(void)
{
bool ret = false;
struct zebra_dplane_ctx *ctx;
struct zebra_dplane_provider *prov;
/* TODO -- just checking incoming/pending work for now, must check
* providers
*/
DPLANE_LOCK();
{
ctx = dplane_ctx_list_first(&zdplane_info.dg_update_list);
prov = dplane_prov_list_first(&zdplane_info.dg_providers);
}
DPLANE_UNLOCK();
if (ctx != NULL)
return true;
while (prov) {
dplane_provider_lock(prov);
ctx = dplane_ctx_list_first(&(prov->dp_ctx_in_list));
if (ctx == NULL)
ctx = dplane_ctx_list_first(&(prov->dp_ctx_out_list));
dplane_provider_unlock(prov);
if (ctx != NULL)
break;
prov = dplane_prov_list_next(&zdplane_info.dg_providers, prov);
}
if (ctx != NULL)
ret = true;
return ret;
}
/*
* Shutdown-time intermediate callback, used to determine when all pending
* in-flight updates are done. If there's still work to do, reschedules itself.
* If all work is done, schedules an event to the main zebra thread for
* final zebra shutdown.
* This runs in the dplane pthread context.
*/
static void dplane_check_shutdown_status(struct event *event)
{
struct dplane_zns_info *zi;
if (IS_ZEBRA_DEBUG_DPLANE)
zlog_debug("Zebra dataplane shutdown status check called");
/* Remove any zns info entries as we stop the dplane pthread. */
frr_each_safe (zns_info_list, &zdplane_info.dg_zns_list, zi) {
zns_info_list_del(&zdplane_info.dg_zns_list, zi);
if (zdplane_info.dg_master) {
EVENT_OFF(zi->t_read);
EVENT_OFF(zi->t_request);
}
XFREE(MTYPE_DP_NS, zi);
}
if (dplane_work_pending()) {
/* Reschedule dplane check on a short timer */
event_add_timer_msec(zdplane_info.dg_master,
dplane_check_shutdown_status, NULL, 100,
&zdplane_info.dg_t_shutdown_check);
/* TODO - give up and stop waiting after a short time? */
} else {
/* We appear to be done - schedule a final callback event
* for the zebra main pthread.
*/
event_add_event(zrouter.master, zebra_finalize, NULL, 0, NULL);
}
}
/*
* Shutdown, de-init api. This runs pretty late during shutdown,
* after zebra has tried to free/remove/uninstall all routes during shutdown.
* At this point, dplane work may still remain to be done, so we can't just
* blindly terminate. If there's still work to do, we'll periodically check
* and when done, we'll enqueue a task to the zebra main thread for final
* termination processing.
*
* NB: This runs in the main zebra thread context.
*/
void zebra_dplane_finish(void)
{
if (IS_ZEBRA_DEBUG_DPLANE)
zlog_debug("Zebra dataplane fini called");
event_add_event(zdplane_info.dg_master, dplane_check_shutdown_status,
NULL, 0, &zdplane_info.dg_t_shutdown_check);
}
/*
* Main dataplane pthread event loop. The thread takes new incoming work
* and offers it to the first provider. It then iterates through the
* providers, taking complete work from each one and offering it
* to the next in order. At each step, a limited number of updates are
* processed during a cycle in order to provide some fairness.
*
* This loop through the providers is only run once, so that the dataplane
* pthread can look for other pending work - such as i/o work on behalf of
* providers.
*/
static void dplane_thread_loop(struct event *event)
{
struct dplane_ctx_list_head work_list;
struct dplane_ctx_list_head error_list;
struct zebra_dplane_provider *prov;
struct zebra_dplane_ctx *ctx;
int limit, counter, error_counter;
uint64_t curr, high;
bool reschedule = false;
/* Capture work limit per cycle */
limit = zdplane_info.dg_updates_per_cycle;
/* Init temporary lists used to move contexts among providers */
dplane_ctx_list_init(&work_list);
dplane_ctx_list_init(&error_list);
error_counter = 0;
/* Check for zebra shutdown */
if (!zdplane_info.dg_run)
return;
/* Dequeue some incoming work from zebra (if any) onto the temporary
* working list.
*/
DPLANE_LOCK();
/* Locate initial registered provider */
prov = dplane_prov_list_first(&zdplane_info.dg_providers);
/* Move new work from incoming list to temp list */
for (counter = 0; counter < limit; counter++) {
ctx = dplane_ctx_list_pop(&zdplane_info.dg_update_list);
if (ctx) {
ctx->zd_provider = prov->dp_id;
dplane_ctx_list_add_tail(&work_list, ctx);
} else {
break;
}
}
DPLANE_UNLOCK();
atomic_fetch_sub_explicit(&zdplane_info.dg_routes_queued, counter,
memory_order_relaxed);
if (IS_ZEBRA_DEBUG_DPLANE_DETAIL)
zlog_debug("dplane: incoming new work counter: %d", counter);
/* Iterate through the registered providers, offering new incoming
* work. If the provider has outgoing work in its queue, take that
* work for the next provider
*/
while (prov) {
/* At each iteration, the temporary work list has 'counter'
* items.
*/
if (IS_ZEBRA_DEBUG_DPLANE_DETAIL)
zlog_debug("dplane enqueues %d new work to provider '%s'",
counter, dplane_provider_get_name(prov));
/* Capture current provider id in each context; check for
* error status.
*/
frr_each_safe (dplane_ctx_list, &work_list, ctx) {
if (dplane_ctx_get_status(ctx) ==
ZEBRA_DPLANE_REQUEST_SUCCESS) {
ctx->zd_provider = prov->dp_id;
} else {
/*
* TODO -- improve error-handling: recirc
* errors backwards so that providers can
* 'undo' their work (if they want to)
*/
/* Move to error list; will be returned
* zebra main.
*/
dplane_ctx_list_del(&work_list, ctx);
dplane_ctx_list_add_tail(&error_list, ctx);
error_counter++;
}
}
/* Enqueue new work to the provider */
dplane_provider_lock(prov);
while ((ctx = dplane_ctx_list_pop(&work_list)) != NULL)
dplane_ctx_list_add_tail(&(prov->dp_ctx_in_list), ctx);
atomic_fetch_add_explicit(&prov->dp_in_counter, counter,
memory_order_relaxed);
atomic_fetch_add_explicit(&prov->dp_in_queued, counter,
memory_order_relaxed);
curr = atomic_load_explicit(&prov->dp_in_queued,
memory_order_relaxed);
high = atomic_load_explicit(&prov->dp_in_max,
memory_order_relaxed);
if (curr > high)
atomic_store_explicit(&prov->dp_in_max, curr,
memory_order_relaxed);
dplane_provider_unlock(prov);
/* Reset the temp list (though the 'concat' may have done this
* already), and the counter
*/
dplane_ctx_list_init(&work_list);
counter = 0;
/* Call into the provider code. Note that this is
* unconditional: we offer to do work even if we don't enqueue
* any _new_ work.
*/
(*prov->dp_fp)(prov);
/* Check for zebra shutdown */
if (!zdplane_info.dg_run)
break;
/* Dequeue completed work from the provider */
dplane_provider_lock(prov);
while (counter < limit) {
ctx = dplane_provider_dequeue_out_ctx(prov);
if (ctx) {
dplane_ctx_list_add_tail(&work_list, ctx);
counter++;
} else
break;
}
dplane_provider_unlock(prov);
if (counter >= limit)
reschedule = true;
if (IS_ZEBRA_DEBUG_DPLANE_DETAIL)
zlog_debug("dplane dequeues %d completed work from provider %s",
counter, dplane_provider_get_name(prov));
if (event_should_yield(event)) {
reschedule = true;
break;
}
/* Locate next provider */
prov = dplane_prov_list_next(&zdplane_info.dg_providers, prov);
}
/*
* We hit the work limit while processing at least one provider's
* output queue - ensure we come back and finish it.
*/
if (reschedule)
dplane_provider_work_ready();
/* After all providers have been serviced, enqueue any completed
* work and any errors back to zebra so it can process the results.
*/
if (IS_ZEBRA_DEBUG_DPLANE_DETAIL)
zlog_debug("dplane has %d completed, %d errors, for zebra main",
counter, error_counter);
/*
* Hand lists through the api to zebra main,
* to reduce the number of lock/unlock cycles
*/
/* Call through to zebra main */
(zdplane_info.dg_results_cb)(&error_list);
dplane_ctx_list_init(&error_list);
/* Call through to zebra main */
(zdplane_info.dg_results_cb)(&work_list);
dplane_ctx_list_init(&work_list);
}
/*
* Final phase of shutdown, after all work enqueued to dplane has been
* processed. This is called from the zebra main pthread context.
*/
void zebra_dplane_shutdown(void)
{
struct zebra_dplane_provider *dp;
struct zebra_dplane_ctx *ctx;
if (IS_ZEBRA_DEBUG_DPLANE)
zlog_debug("Zebra dataplane shutdown called");
/* Stop dplane thread, if it's running */
zdplane_info.dg_run = false;
frr_pthread_stop(zdplane_info.dg_pthread, NULL);
/* Destroy pthread */
frr_pthread_destroy(zdplane_info.dg_pthread);
zdplane_info.dg_pthread = NULL;
zdplane_info.dg_master = NULL;
/* Notify provider(s) of final shutdown.
* Note that this call is in the main pthread, so providers must
* be prepared for that.
*/
frr_each (dplane_prov_list, &zdplane_info.dg_providers, dp) {
if (dp->dp_fini == NULL)
continue;
dp->dp_fini(dp, false);
}
/* TODO -- Clean-up provider objects */
dp = dplane_prov_list_first(&zdplane_info.dg_providers);
while (dp) {
dplane_prov_list_del(&zdplane_info.dg_providers, dp);
XFREE(MTYPE_DP_PROV, dp);
dp = dplane_prov_list_first(&zdplane_info.dg_providers);
}
/* TODO -- Clean queue(s), free memory */
DPLANE_LOCK();
{
ctx = dplane_ctx_list_pop(&zdplane_info.dg_update_list);
while (ctx) {
dplane_ctx_free(&ctx);
ctx = dplane_ctx_list_pop(&zdplane_info.dg_update_list);
}
}
DPLANE_UNLOCK();
}
/*
* Initialize the dataplane module during startup, internal/private version
*/
static void zebra_dplane_init_internal(void)
{
memset(&zdplane_info, 0, sizeof(zdplane_info));
pthread_mutex_init(&zdplane_info.dg_mutex, NULL);
dplane_prov_list_init(&zdplane_info.dg_providers);
dplane_ctx_list_init(&zdplane_info.dg_update_list);
zns_info_list_init(&zdplane_info.dg_zns_list);
zdplane_info.dg_updates_per_cycle = DPLANE_DEFAULT_NEW_WORK;
zdplane_info.dg_max_queued_updates = DPLANE_DEFAULT_MAX_QUEUED;
/* Register default kernel 'provider' during init */
dplane_provider_init();
}
/*
* Start the dataplane pthread. This step needs to be run later than the
* 'init' step, in case zebra has fork-ed.
*/
void zebra_dplane_start(void)
{
struct dplane_zns_info *zi;
struct zebra_dplane_provider *prov;
struct frr_pthread_attr pattr = {
.start = frr_pthread_attr_default.start,
.stop = frr_pthread_attr_default.stop
};
/* Start dataplane pthread */
zdplane_info.dg_pthread = frr_pthread_new(&pattr, "Zebra dplane thread",
"zebra_dplane");
zdplane_info.dg_master = zdplane_info.dg_pthread->master;
zdplane_info.dg_run = true;
/* Enqueue an initial event for the dataplane pthread */
event_add_event(zdplane_info.dg_master, dplane_thread_loop, NULL, 0,
&zdplane_info.dg_t_update);
/* Enqueue requests and reads if necessary */
frr_each (zns_info_list, &zdplane_info.dg_zns_list, zi) {
#if defined(HAVE_NETLINK)
event_add_read(zdplane_info.dg_master, dplane_incoming_read, zi,
zi->info.sock, &zi->t_read);
dplane_kernel_info_request(zi);
#endif
}
/* Call start callbacks for registered providers */
DPLANE_LOCK();
prov = dplane_prov_list_first(&zdplane_info.dg_providers);
DPLANE_UNLOCK();
while (prov) {
if (prov->dp_start)
(prov->dp_start)(prov);
/* Locate next provider */
prov = dplane_prov_list_next(&zdplane_info.dg_providers, prov);
}
frr_pthread_run(zdplane_info.dg_pthread, NULL);
}
enum zebra_dplane_startup_notifications
dplane_ctx_get_startup_spot(struct zebra_dplane_ctx *ctx)
{
return ctx->u.spot;
}
void zebra_dplane_startup_stage(struct zebra_ns *zns,
enum zebra_dplane_startup_notifications spot)
{
struct zebra_dplane_ctx *ctx = dplane_ctx_alloc();
ctx->zd_op = DPLANE_OP_STARTUP_STAGE;
ctx->zd_status = ZEBRA_DPLANE_REQUEST_QUEUED;
ctx->u.spot = spot;
dplane_ctx_set_ns_id(ctx, zns->ns_id);
dplane_provider_enqueue_to_zebra(ctx);
}
/*
* Initialize the dataplane module at startup; called by zebra rib_init()
*/
void zebra_dplane_init(int (*results_fp)(struct dplane_ctx_list_head *))
{
zebra_dplane_init_internal();
zdplane_info.dg_results_cb = results_fp;
}