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Diffstat (limited to 'bgpd/bgp_evpn.c')
-rw-r--r--bgpd/bgp_evpn.c126
1 files changed, 68 insertions, 58 deletions
diff --git a/bgpd/bgp_evpn.c b/bgpd/bgp_evpn.c
index 5202f6801e..a77a1e912e 100644
--- a/bgpd/bgp_evpn.c
+++ b/bgpd/bgp_evpn.c
@@ -1005,7 +1005,7 @@ static void evpn_delete_old_local_route(struct bgp *bgp, struct bgpevpn *vpn,
* L3VPN routes.
*/
global_rn = bgp_afi_node_lookup(bgp->rib[afi][safi], afi, safi,
- (struct prefix *)&rn->p, &vpn->prd);
+ bgp_node_get_prefix(rn), &vpn->prd);
if (global_rn) {
/* Delete route entry in the global EVPN table. */
delete_evpn_route_entry(bgp, afi, safi, global_rn, &pi);
@@ -1128,7 +1128,7 @@ static int evpn_es_route_select_install(struct bgp *bgp,
&& !bgp_addpath_is_addpath_used(&bgp->tx_addpath, afi, safi)) {
if (bgp_zebra_has_route_changed(rn, old_select)) {
ret = evpn_es_install_vtep(bgp, es,
- (struct prefix_evpn *)&rn->p,
+ (const struct prefix_evpn *)bgp_node_get_prefix(rn),
old_select->attr->nexthop);
}
UNSET_FLAG(old_select->flags, BGP_PATH_MULTIPATH_CHG);
@@ -1157,13 +1157,13 @@ static int evpn_es_route_select_install(struct bgp *bgp,
if (new_select && new_select->type == ZEBRA_ROUTE_BGP
&& new_select->sub_type == BGP_ROUTE_IMPORTED) {
ret = evpn_es_install_vtep(bgp, es,
- (const struct prefix_evpn *)&rn->p,
+ (const struct prefix_evpn *)bgp_node_get_prefix(rn),
new_select->attr->nexthop);
} else {
if (old_select && old_select->type == ZEBRA_ROUTE_BGP
&& old_select->sub_type == BGP_ROUTE_IMPORTED)
ret = evpn_es_uninstall_vtep(
- bgp, es, (struct prefix_evpn *)&rn->p,
+ bgp, es, (struct prefix_evpn *)bgp_node_get_prefix(rn),
old_select->attr->nexthop);
}
@@ -1208,7 +1208,7 @@ static int evpn_route_select_install(struct bgp *bgp, struct bgpevpn *vpn,
&& !bgp_addpath_is_addpath_used(&bgp->tx_addpath, afi, safi)) {
if (bgp_zebra_has_route_changed(rn, old_select))
ret = evpn_zebra_install(
- bgp, vpn, (struct prefix_evpn *)&rn->p,
+ bgp, vpn, (const struct prefix_evpn *)bgp_node_get_prefix(rn),
old_select);
UNSET_FLAG(old_select->flags, BGP_PATH_MULTIPATH_CHG);
bgp_zebra_clear_route_change_flags(rn);
@@ -1234,8 +1234,9 @@ static int evpn_route_select_install(struct bgp *bgp, struct bgpevpn *vpn,
if (new_select && new_select->type == ZEBRA_ROUTE_BGP
&& new_select->sub_type == BGP_ROUTE_IMPORTED) {
- ret = evpn_zebra_install(bgp, vpn, (struct prefix_evpn *)&rn->p,
- new_select);
+ ret = evpn_zebra_install(
+ bgp, vpn, (struct prefix_evpn *)bgp_node_get_prefix(rn),
+ new_select);
/* If an old best existed and it was a "local" route, the only
* reason
@@ -1251,9 +1252,11 @@ static int evpn_route_select_install(struct bgp *bgp, struct bgpevpn *vpn,
} else {
if (old_select && old_select->type == ZEBRA_ROUTE_BGP
&& old_select->sub_type == BGP_ROUTE_IMPORTED)
- ret = evpn_zebra_uninstall(bgp, vpn,
- (struct prefix_evpn *)&rn->p,
- old_select->attr->nexthop);
+ ret = evpn_zebra_uninstall(
+ bgp, vpn,
+ (const struct prefix_evpn *)bgp_node_get_prefix(
+ rn),
+ old_select->attr->nexthop);
}
/* Clear any route change flags. */
@@ -1330,11 +1333,11 @@ static int update_evpn_type4_route_entry(struct bgp *bgp, struct evpnes *es,
struct bgp_path_info *local_pi = NULL; /* local route entry if any */
struct bgp_path_info *remote_pi = NULL; /* remote route entry if any */
struct attr *attr_new = NULL;
- struct prefix_evpn *evp = NULL;
+ const struct prefix_evpn *evp = NULL;
*ri = NULL;
*route_changed = 1;
- evp = (struct prefix_evpn *)&rn->p;
+ evp = (const struct prefix_evpn *)bgp_node_get_prefix(rn);
/* locate the local and remote entries if any */
for (tmp_pi = bgp_node_get_bgp_path_info(rn); tmp_pi;
@@ -1662,10 +1665,10 @@ static int update_evpn_route_entry(struct bgp *bgp, struct bgpevpn *vpn,
uint32_t num_labels = 1;
int route_change = 1;
uint8_t sticky = 0;
- struct prefix_evpn *evp;
+ const struct prefix_evpn *evp;
*pi = NULL;
- evp = (struct prefix_evpn *)&rn->p;
+ evp = (const struct prefix_evpn *)bgp_node_get_prefix(rn);
memset(&label, 0, sizeof(label));
/* See if this is an update of an existing route, or a new add. */
@@ -1797,8 +1800,8 @@ static void evpn_zebra_reinstall_best_route(struct bgp *bgp,
if (curr_select && curr_select->type == ZEBRA_ROUTE_BGP
&& curr_select->sub_type == BGP_ROUTE_IMPORTED)
evpn_zebra_install(bgp, vpn,
- (struct prefix_evpn *)&rn->p,
- curr_select);
+ (const struct prefix_evpn *)bgp_node_get_prefix(rn),
+ curr_select);
}
/*
@@ -1820,13 +1823,10 @@ static void evpn_cleanup_local_non_best_route(struct bgp *bgp,
struct bgp_node *rn,
struct bgp_path_info *local_pi)
{
- char buf[PREFIX_STRLEN];
-
/* local path was not picked as the winner; kick it out */
- if (bgp_debug_zebra(NULL)) {
- zlog_debug("evicting local evpn prefix %s as remote won",
- prefix2str(&rn->p, buf, sizeof(buf)));
- }
+ if (bgp_debug_zebra(NULL))
+ zlog_debug("evicting local evpn prefix %pRN as remote won", rn);
+
evpn_delete_old_local_route(bgp, vpn, rn, local_pi);
bgp_path_info_reap(rn, local_pi);
@@ -2145,7 +2145,7 @@ static int update_all_type2_routes(struct bgp *bgp, struct bgpevpn *vpn)
*/
for (rn = bgp_table_top(vpn->route_table); rn;
rn = bgp_route_next(rn)) {
- struct prefix_evpn *evp = (struct prefix_evpn *)&rn->p;
+ const struct prefix_evpn *evp = (const struct prefix_evpn *)bgp_node_get_prefix(rn);
struct bgp_node *rd_rn;
struct bgp_path_info *global_pi;
@@ -2278,7 +2278,7 @@ static int delete_global_type2_routes(struct bgp *bgp, struct bgpevpn *vpn)
if (rdrn && bgp_node_has_bgp_path_info_data(rdrn)) {
table = bgp_node_get_bgp_table_info(rdrn);
for (rn = bgp_table_top(table); rn; rn = bgp_route_next(rn)) {
- struct prefix_evpn *evp = (struct prefix_evpn *)&rn->p;
+ const struct prefix_evpn *evp = (const struct prefix_evpn *)bgp_node_get_prefix(rn);
if (evp->prefix.route_type != BGP_EVPN_MAC_IP_ROUTE)
continue;
@@ -2319,7 +2319,7 @@ static int delete_all_type2_routes(struct bgp *bgp, struct bgpevpn *vpn)
/* Next, walk this VNI's route table and delete local type-2 routes. */
for (rn = bgp_table_top(vpn->route_table); rn;
rn = bgp_route_next(rn)) {
- struct prefix_evpn *evp = (struct prefix_evpn *)&rn->p;
+ const struct prefix_evpn *evp = (const struct prefix_evpn *)bgp_node_get_prefix(rn);
if (evp->prefix.route_type != BGP_EVPN_MAC_IP_ROUTE)
continue;
@@ -2709,7 +2709,8 @@ static int install_evpn_route_entry_in_vrf(struct bgp *bgp_vrf,
/* as it is an importation, change nexthop */
bgp_path_info_set_flag(rn, pi, BGP_PATH_ANNC_NH_SELF);
- bgp_aggregate_increment(bgp_vrf, &rn->p, pi, afi, safi);
+ bgp_aggregate_increment(bgp_vrf, bgp_node_get_prefix(rn), pi, afi,
+ safi);
/* Perform route selection and update zebra, if required. */
bgp_process(bgp_vrf, rn, afi, safi);
@@ -2876,7 +2877,8 @@ static int uninstall_evpn_route_entry_in_vrf(struct bgp *bgp_vrf,
/* Process for route leaking. */
vpn_leak_from_vrf_withdraw(bgp_get_default(), bgp_vrf, pi);
- bgp_aggregate_decrement(bgp_vrf, &rn->p, pi, afi, safi);
+ bgp_aggregate_decrement(bgp_vrf, bgp_node_get_prefix(rn), pi, afi,
+ safi);
/* Mark entry for deletion */
bgp_path_info_delete(rn, pi);
@@ -3107,7 +3109,9 @@ static int install_uninstall_routes_for_es(struct bgp *bgp,
continue;
for (rn = bgp_table_top(table); rn; rn = bgp_route_next(rn)) {
- struct prefix_evpn *evp = (struct prefix_evpn *)&rn->p;
+ const struct prefix_evpn *evp =
+ (const struct prefix_evpn *)bgp_node_get_prefix(
+ rn);
for (pi = bgp_node_get_bgp_path_info(rn); pi;
pi = pi->next) {
@@ -3214,7 +3218,7 @@ static int install_uninstall_routes_for_vrf(struct bgp *bgp_vrf, int install)
continue;
for (rn = bgp_table_top(table); rn; rn = bgp_route_next(rn)) {
- struct prefix_evpn *evp = (struct prefix_evpn *)&rn->p;
+ const struct prefix_evpn *evp = (const struct prefix_evpn *)bgp_node_get_prefix(rn);
/* if not mac-ip route skip this route */
if (!(evp->prefix.route_type == BGP_EVPN_MAC_IP_ROUTE
@@ -3302,7 +3306,9 @@ static int install_uninstall_routes_for_vni(struct bgp *bgp,
continue;
for (rn = bgp_table_top(table); rn; rn = bgp_route_next(rn)) {
- struct prefix_evpn *evp = (struct prefix_evpn *)&rn->p;
+ const struct prefix_evpn *evp =
+ (const struct prefix_evpn *)bgp_node_get_prefix(
+ rn);
if (evp->prefix.route_type != rtype)
continue;
@@ -3774,7 +3780,8 @@ static int update_advertise_vni_routes(struct bgp *bgp, struct bgpevpn *vpn)
*/
for (rn = bgp_table_top(vpn->route_table); rn;
rn = bgp_route_next(rn)) {
- struct prefix_evpn *evp = (struct prefix_evpn *)&rn->p;
+ const struct prefix_evpn *evp =
+ (const struct prefix_evpn *)bgp_node_get_prefix(rn);
/* Identify MAC-IP local routes. */
if (evp->prefix.route_type != BGP_EVPN_MAC_IP_ROUTE)
@@ -4297,13 +4304,14 @@ static int process_type5_route(struct peer *peer, afi_t afi, safi_t safi,
return ret;
}
-static void evpn_mpattr_encode_type5(struct stream *s, struct prefix *p,
- struct prefix_rd *prd, mpls_label_t *label,
- uint32_t num_labels, struct attr *attr)
+static void evpn_mpattr_encode_type5(struct stream *s, const struct prefix *p,
+ const struct prefix_rd *prd,
+ mpls_label_t *label, uint32_t num_labels,
+ struct attr *attr)
{
int len;
char temp[16];
- struct evpn_addr *p_evpn_p;
+ const struct evpn_addr *p_evpn_p;
memset(&temp, 0, 16);
if (p->family != AF_EVPN)
@@ -4499,8 +4507,9 @@ void bgp_evpn_withdraw_type5_routes(struct bgp *bgp_vrf, afi_t afi, safi_t safi)
for (pi = bgp_node_get_bgp_path_info(rn); pi; pi = pi->next) {
if (CHECK_FLAG(pi->flags, BGP_PATH_SELECTED)
&& is_route_injectable_into_evpn(pi)) {
- bgp_evpn_withdraw_type5_route(bgp_vrf, &rn->p,
- afi, safi);
+ bgp_evpn_withdraw_type5_route(
+ bgp_vrf, bgp_node_get_prefix(rn), afi,
+ safi);
break;
}
}
@@ -4592,18 +4601,21 @@ void bgp_evpn_advertise_type5_routes(struct bgp *bgp_vrf, afi_t afi,
ret = route_map_apply(
bgp_vrf->adv_cmd_rmap[afi][safi]
.map,
- &rn->p, RMAP_BGP, &tmp_pi);
+ bgp_node_get_prefix(rn),
+ RMAP_BGP, &tmp_pi);
if (ret == RMAP_DENYMATCH) {
bgp_attr_flush(&tmp_attr);
continue;
}
bgp_evpn_advertise_type5_route(
- bgp_vrf, &rn->p, &tmp_attr,
- afi, safi);
+ bgp_vrf,
+ bgp_node_get_prefix(rn),
+ &tmp_attr, afi, safi);
} else
bgp_evpn_advertise_type5_route(
- bgp_vrf, &rn->p, pi->attr,
- afi, safi);
+ bgp_vrf,
+ bgp_node_get_prefix(rn),
+ pi->attr, afi, safi);
break;
}
}
@@ -5030,8 +5042,8 @@ char *bgp_evpn_route2str(const struct prefix_evpn *p, char *buf, int len)
/*
* Encode EVPN prefix in Update (MP_REACH)
*/
-void bgp_evpn_encode_prefix(struct stream *s, struct prefix *p,
- struct prefix_rd *prd, mpls_label_t *label,
+void bgp_evpn_encode_prefix(struct stream *s, const struct prefix *p,
+ const struct prefix_rd *prd, mpls_label_t *label,
uint32_t num_labels, struct attr *attr,
int addpath_encode, uint32_t addpath_tx_id)
{
@@ -5601,25 +5613,23 @@ int bgp_filter_evpn_routes_upon_martian_nh_change(struct bgp *bgp)
if (bgp_nexthop_self(bgp, afi,
pi->type, pi->sub_type,
pi->attr, rn)) {
+ const struct prefix *p =
+ bgp_node_get_prefix(rn);
- char attr_str[BUFSIZ] = {0};
- char pbuf[PREFIX_STRLEN];
+ if (bgp_debug_update(pi->peer, p, NULL,
+ 1)) {
+ char attr_str[BUFSIZ] = {0};
- bgp_dump_attr(pi->attr, attr_str,
- BUFSIZ);
+ bgp_dump_attr(pi->attr,
+ attr_str, BUFSIZ);
- if (bgp_debug_update(pi->peer, &rn->p,
- NULL, 1))
zlog_debug(
- "%u: prefix %s with attr %s - DENIED due to martian or self nexthop",
- bgp->vrf_id,
- prefix2str(
- &rn->p, pbuf,
- sizeof(pbuf)),
+ "%u: prefix %pRN with attr %s - DENIED due to martian or self nexthop",
+ bgp->vrf_id, rn,
attr_str);
-
+ }
bgp_evpn_unimport_route(bgp, afi, safi,
- &rn->p, pi);
+ p, pi);
bgp_rib_remove(rn, pi, pi->peer, afi,
safi);
@@ -6264,7 +6274,7 @@ void bgp_evpn_vrf_delete(struct bgp *bgp_vrf)
/*
* Get the prefixlen of the ip prefix carried within the type5 evpn route.
*/
-int bgp_evpn_get_type5_prefixlen(struct prefix *pfx)
+int bgp_evpn_get_type5_prefixlen(const struct prefix *pfx)
{
struct prefix_evpn *evp = (struct prefix_evpn *)pfx;
generated by cgit v1.2.3 (git 2.39.1) at 2025-12-09 20:57:53 +0000