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-rw-r--r--bgpd/bgp_zebra.c238
-rw-r--r--bgpd/rfapi/vnc_zebra.c66
2 files changed, 114 insertions, 190 deletions
diff --git a/bgpd/bgp_zebra.c b/bgpd/bgp_zebra.c
index 193775165..2e8188b53 100644
--- a/bgpd/bgp_zebra.c
+++ b/bgpd/bgp_zebra.c
@@ -58,11 +58,6 @@
/* All information about zebra. */
struct zclient *zclient = NULL;
-/* Growable buffer for nexthops sent to zebra */
-struct stream *bgp_nexthop_buf = NULL;
-struct stream *bgp_ifindices_buf = NULL;
-struct stream *bgp_label_buf = NULL;
-
/* These array buffers are used in making a copy of the attributes for
route-map apply. Arrays are being used here to minimize mallocs and
frees for the temporary copy of the attributes.
@@ -1153,7 +1148,10 @@ void bgp_zebra_announce(struct bgp_node *rn, struct prefix *p,
struct bgp_info *info, struct bgp *bgp, afi_t afi,
safi_t safi)
{
- u_int32_t flags;
+ struct zapi_route api;
+ struct zapi_nexthop *api_nh;
+ int valid_nh_count = 0;
+
u_char distance;
struct peer *peer;
struct bgp_info *mpinfo;
@@ -1172,7 +1170,14 @@ void bgp_zebra_announce(struct bgp_node *rn, struct prefix *p,
if (bgp->main_zebra_update_hold)
return;
- flags = 0;
+ /* Make Zebra API structure. */
+ memset(&api, 0, sizeof(api));
+ api.vrf_id = bgp->vrf_id;
+ api.type = ZEBRA_ROUTE_BGP;
+ api.safi = safi;
+ api.prefix = *p;
+ SET_FLAG(api.message, ZAPI_MESSAGE_NEXTHOP);
+
peer = info->peer;
tag = info->attr->tag;
@@ -1181,33 +1186,27 @@ void bgp_zebra_announce(struct bgp_node *rn, struct prefix *p,
* in
* the RIB */
if (info->sub_type == BGP_ROUTE_AGGREGATE)
- SET_FLAG(flags, ZEBRA_FLAG_BLACKHOLE);
+ SET_FLAG(api.flags, ZEBRA_FLAG_BLACKHOLE);
if (peer->sort == BGP_PEER_IBGP || peer->sort == BGP_PEER_CONFED
|| info->sub_type == BGP_ROUTE_AGGREGATE) {
- SET_FLAG(flags, ZEBRA_FLAG_IBGP);
- SET_FLAG(flags, ZEBRA_FLAG_INTERNAL);
+ SET_FLAG(api.flags, ZEBRA_FLAG_IBGP);
+ SET_FLAG(api.flags, ZEBRA_FLAG_INTERNAL);
}
if ((peer->sort == BGP_PEER_EBGP && peer->ttl != 1)
|| CHECK_FLAG(peer->flags, PEER_FLAG_DISABLE_CONNECTED_CHECK)
|| bgp_flag_check(bgp, BGP_FLAG_DISABLE_NH_CONNECTED_CHK))
- SET_FLAG(flags, ZEBRA_FLAG_INTERNAL);
+ SET_FLAG(api.flags, ZEBRA_FLAG_INTERNAL);
if (p->family == AF_INET && !BGP_ATTR_NEXTHOP_AFI_IP6(info->attr)) {
- struct zapi_ipv4 api;
struct in_addr *nexthop;
char buf[2][INET_ADDRSTRLEN];
- int valid_nh_count = 0;
int has_valid_label = 0;
- /* resize nexthop buffer size if necessary */
- stream_reset(bgp_nexthop_buf);
nexthop = NULL;
- stream_reset(bgp_label_buf);
-
if (bgp->table_map[afi][safi].name)
BGP_INFO_ATTR_BUF_INIT();
@@ -1240,26 +1239,21 @@ void bgp_zebra_announce(struct bgp_node *rn, struct prefix *p,
if (nexthop == NULL)
continue;
- stream_put(bgp_nexthop_buf, &nexthop,
- sizeof(struct in_addr *));
+ api_nh = &api.nexthops[valid_nh_count];
+ api_nh->gate.ipv4 = *nexthop;
+ api_nh->type = NEXTHOP_TYPE_IPV4;
+
if (mpinfo->extra
&& bgp_is_valid_label(&mpinfo->extra->label)) {
has_valid_label = 1;
label = label_pton(&mpinfo->extra->label);
- stream_put(bgp_label_buf, &label,
- sizeof(mpls_label_t));
+
+ api_nh->label_num = 1;
+ api_nh->labels[0] = label;
}
valid_nh_count++;
}
- api.vrf_id = bgp->vrf_id;
- api.flags = flags;
- api.type = ZEBRA_ROUTE_BGP;
- api.instance = 0;
- api.message = 0;
- api.safi = safi;
- SET_FLAG(api.message, ZAPI_MESSAGE_NEXTHOP);
-
if (has_valid_label)
SET_FLAG(api.message, ZAPI_MESSAGE_LABEL);
@@ -1272,24 +1266,15 @@ void bgp_zebra_announce(struct bgp_node *rn, struct prefix *p,
* do not want to also encode the 0.0.0.0 nexthop for the
* aggregate route.
*/
- if (CHECK_FLAG(flags, ZEBRA_FLAG_BLACKHOLE))
+ if (CHECK_FLAG(api.flags, ZEBRA_FLAG_BLACKHOLE))
api.nexthop_num = 0;
else
api.nexthop_num = valid_nh_count;
- api.nexthop = (struct in_addr **)STREAM_DATA(bgp_nexthop_buf);
- if (has_valid_label) {
- api.label_num = valid_nh_count;
- api.label = (unsigned int *)STREAM_DATA(bgp_label_buf);
- } else {
- api.label_num = 0;
- api.label = NULL;
- }
- api.ifindex_num = 0;
SET_FLAG(api.message, ZAPI_MESSAGE_METRIC);
api.metric = metric;
- api.tag = 0;
+ api.tag = 0;
if (tag) {
SET_FLAG(api.message, ZAPI_MESSAGE_TAG);
api.tag = tag;
@@ -1313,20 +1298,23 @@ void bgp_zebra_announce(struct bgp_node *rn, struct prefix *p,
p->prefixlen, api.metric, api.tag,
api.nexthop_num);
for (i = 0; i < api.nexthop_num; i++) {
+ api_nh = &api.nexthops[i];
+
label_buf[0] = '\0';
if (has_valid_label)
sprintf(label_buf, "label %u",
- api.label[i]);
+ api_nh->labels[0]);
zlog_debug(" nhop [%d]: %s %s", i + 1,
- inet_ntop(AF_INET, api.nexthop[i],
- buf[1], sizeof(buf[1])),
+ inet_ntop(AF_INET,
+ &api_nh->gate.ipv4, buf[1],
+ sizeof(buf[1])),
label_buf);
}
}
- zapi_ipv4_route(valid_nh_count ? ZEBRA_IPV4_ROUTE_ADD
- : ZEBRA_IPV4_ROUTE_DELETE,
- zclient, (struct prefix_ipv4 *)p, &api);
+ zclient_route_send(valid_nh_count ? ZEBRA_ROUTE_ADD
+ : ZEBRA_ROUTE_DELETE,
+ zclient, &api);
}
/* We have to think about a IPv6 link-local address curse. */
@@ -1334,15 +1322,9 @@ void bgp_zebra_announce(struct bgp_node *rn, struct prefix *p,
|| (p->family == AF_INET && BGP_ATTR_NEXTHOP_AFI_IP6(info->attr))) {
ifindex_t ifindex;
struct in6_addr *nexthop;
- struct zapi_ipv6 api;
- int valid_nh_count = 0;
char buf[2][INET6_ADDRSTRLEN];
int has_valid_label = 0;
- stream_reset(bgp_nexthop_buf);
- stream_reset(bgp_ifindices_buf);
- stream_reset(bgp_label_buf);
-
ifindex = 0;
nexthop = NULL;
@@ -1399,30 +1381,22 @@ void bgp_zebra_announce(struct bgp_node *rn, struct prefix *p,
if (ifindex == 0)
continue;
- stream_put(bgp_nexthop_buf, &nexthop,
- sizeof(struct in6_addr *));
- stream_put(bgp_ifindices_buf, &ifindex,
- sizeof(unsigned int));
+ api_nh = &api.nexthops[valid_nh_count];
+ api_nh->gate.ipv6 = *nexthop;
+ api_nh->ifindex = ifindex;
+ api_nh->type = NEXTHOP_TYPE_IPV6_IFINDEX;
if (mpinfo->extra
&& bgp_is_valid_label(&mpinfo->extra->label)) {
has_valid_label = 1;
label = label_pton(&mpinfo->extra->label);
- stream_put(bgp_label_buf, &label,
- sizeof(mpls_label_t));
+
+ api_nh->label_num = 1;
+ api_nh->labels[0] = label;
}
valid_nh_count++;
}
- /* Make Zebra API structure. */
- api.vrf_id = bgp->vrf_id;
- api.flags = flags;
- api.type = ZEBRA_ROUTE_BGP;
- api.instance = 0;
- api.message = 0;
- api.safi = safi;
- SET_FLAG(api.message, ZAPI_MESSAGE_NEXTHOP);
-
if (has_valid_label)
SET_FLAG(api.message, ZAPI_MESSAGE_LABEL);
@@ -1435,26 +1409,15 @@ void bgp_zebra_announce(struct bgp_node *rn, struct prefix *p,
* do not want to also encode the :: nexthop for the aggregate
* route.
*/
- if (CHECK_FLAG(flags, ZEBRA_FLAG_BLACKHOLE))
+ if (CHECK_FLAG(api.flags, ZEBRA_FLAG_BLACKHOLE))
api.nexthop_num = 0;
else
api.nexthop_num = valid_nh_count;
- api.nexthop = (struct in6_addr **)STREAM_DATA(bgp_nexthop_buf);
- SET_FLAG(api.message, ZAPI_MESSAGE_IFINDEX);
- api.ifindex_num = valid_nh_count;
- api.ifindex = (ifindex_t *)STREAM_DATA(bgp_ifindices_buf);
- if (has_valid_label) {
- api.label_num = valid_nh_count;
- api.label = (unsigned int *)STREAM_DATA(bgp_label_buf);
- } else {
- api.label_num = 0;
- api.label = NULL;
- }
SET_FLAG(api.message, ZAPI_MESSAGE_METRIC);
api.metric = metric;
- api.tag = 0;
+ api.tag = 0;
if (tag) {
SET_FLAG(api.message, ZAPI_MESSAGE_TAG);
api.tag = tag;
@@ -1478,33 +1441,31 @@ void bgp_zebra_announce(struct bgp_node *rn, struct prefix *p,
buf[0], sizeof(buf[0])),
p->prefixlen, api.metric, api.tag);
for (i = 0; i < api.nexthop_num; i++) {
+ api_nh = &api.nexthops[i];
+
label_buf[0] = '\0';
if (has_valid_label)
sprintf(label_buf, "label %u",
- api.label[i]);
+ api_nh->labels[0]);
zlog_debug(
" nhop [%d]: %s if %s %s",
i + 1,
inet_ntop(AF_INET6,
- api.nexthop[i],
+ &api_nh->gate.ipv6,
buf[1],
sizeof(buf[1])),
- ifindex2ifname(api.ifindex[i],
+ ifindex2ifname(api_nh->ifindex,
bgp->vrf_id),
label_buf);
}
}
if (valid_nh_count)
- zapi_ipv4_route_ipv6_nexthop(
- ZEBRA_IPV4_ROUTE_IPV6_NEXTHOP_ADD,
- zclient, (struct prefix_ipv4 *)p,
- (struct zapi_ipv6 *)&api);
+ zclient_route_send(ZEBRA_ROUTE_ADD, zclient,
+ &api);
else
- zapi_ipv4_route(ZEBRA_IPV4_ROUTE_DELETE,
- zclient,
- (struct prefix_ipv4 *)p,
- (struct zapi_ipv4 *)&api);
+ zclient_route_send(ZEBRA_ROUTE_DELETE, zclient,
+ &api);
} else {
if (bgp_debug_zebra(p)) {
int i;
@@ -1517,27 +1478,28 @@ void bgp_zebra_announce(struct bgp_node *rn, struct prefix *p,
buf[0], sizeof(buf[0])),
p->prefixlen, api.metric, api.tag);
for (i = 0; i < api.nexthop_num; i++) {
+ api_nh = &api.nexthops[i];
+
label_buf[0] = '\0';
if (has_valid_label)
sprintf(label_buf, "label %u",
- api.label[i]);
+ api_nh->labels[0]);
zlog_debug(
" nhop [%d]: %s if %s %s",
i + 1,
inet_ntop(AF_INET6,
- api.nexthop[i],
+ &api_nh->gate.ipv6,
buf[1],
sizeof(buf[1])),
- ifindex2ifname(api.ifindex[i],
+ ifindex2ifname(api_nh->ifindex,
bgp->vrf_id),
label_buf);
}
}
- zapi_ipv6_route(
- valid_nh_count ? ZEBRA_IPV6_ROUTE_ADD
- : ZEBRA_IPV6_ROUTE_DELETE,
- zclient, (struct prefix_ipv6 *)p, NULL, &api);
+ zclient_route_send(valid_nh_count ? ZEBRA_ROUTE_ADD
+ : ZEBRA_ROUTE_DELETE,
+ zclient, &api);
}
}
}
@@ -1595,79 +1557,47 @@ void bgp_zebra_withdraw(struct prefix *p, struct bgp_info *info, safi_t safi)
SET_FLAG(flags, ZEBRA_FLAG_INTERNAL);
if (p->family == AF_INET) {
- struct zapi_ipv4 api;
+ struct zapi_route api;
+ memset(&api, 0, sizeof(api));
api.vrf_id = peer->bgp->vrf_id;
api.flags = flags;
-
api.type = ZEBRA_ROUTE_BGP;
- api.instance = 0;
- api.message = 0;
api.safi = safi;
- SET_FLAG(api.message, ZAPI_MESSAGE_NEXTHOP);
- api.nexthop_num = 0;
- api.nexthop = NULL;
- api.label_num = 0;
- api.label = NULL;
- api.ifindex_num = 0;
- SET_FLAG(api.message, ZAPI_MESSAGE_METRIC);
- api.metric = info->attr->med;
- api.tag = 0;
-
- if (info->attr->tag != 0) {
- SET_FLAG(api.message, ZAPI_MESSAGE_TAG);
- api.tag = info->attr->tag;
- }
+ api.prefix = *p;
if (bgp_debug_zebra(p)) {
char buf[2][INET_ADDRSTRLEN];
- zlog_debug(
- "Tx IPv4 route delete VRF %u %s/%d metric %u tag %" ROUTE_TAG_PRI,
- peer->bgp->vrf_id,
- inet_ntop(AF_INET, &p->u.prefix4, buf[0],
- sizeof(buf[0])),
- p->prefixlen, api.metric, api.tag);
+ zlog_debug("Tx IPv4 route delete VRF %u %s/%d",
+ peer->bgp->vrf_id,
+ inet_ntop(AF_INET, &p->u.prefix4, buf[0],
+ sizeof(buf[0])),
+ p->prefixlen);
}
- zapi_ipv4_route(ZEBRA_IPV4_ROUTE_DELETE, zclient,
- (struct prefix_ipv4 *)p, &api);
+ zclient_route_send(ZEBRA_ROUTE_DELETE, zclient, &api);
}
/* We have to think about a IPv6 link-local address curse. */
if (p->family == AF_INET6) {
- struct zapi_ipv6 api;
+ struct zapi_route api;
+ memset(&api, 0, sizeof(api));
api.vrf_id = peer->bgp->vrf_id;
api.flags = flags;
api.type = ZEBRA_ROUTE_BGP;
- api.instance = 0;
- api.message = 0;
api.safi = safi;
- SET_FLAG(api.message, ZAPI_MESSAGE_NEXTHOP);
- api.nexthop_num = 0;
- api.nexthop = NULL;
- api.ifindex_num = 0;
- api.label_num = 0;
- SET_FLAG(api.message, ZAPI_MESSAGE_METRIC);
- api.metric = info->attr->med;
- api.tag = 0;
-
- if (info->attr->tag != 0) {
- SET_FLAG(api.message, ZAPI_MESSAGE_TAG);
- api.tag = info->attr->tag;
- }
+ api.prefix = *p;
if (bgp_debug_zebra(p)) {
char buf[2][INET6_ADDRSTRLEN];
- zlog_debug(
- "Tx IPv6 route delete VRF %u %s/%d metric %u tag %" ROUTE_TAG_PRI,
- peer->bgp->vrf_id,
- inet_ntop(AF_INET6, &p->u.prefix6, buf[0],
- sizeof(buf[0])),
- p->prefixlen, api.metric, api.tag);
+ zlog_debug("Tx IPv6 route delete VRF %u %s/%d",
+ peer->bgp->vrf_id,
+ inet_ntop(AF_INET6, &p->u.prefix6, buf[0],
+ sizeof(buf[0])),
+ p->prefixlen);
}
- zapi_ipv6_route(ZEBRA_IPV6_ROUTE_DELETE, zclient,
- (struct prefix_ipv6 *)p, NULL, &api);
+ zclient_route_send(ZEBRA_ROUTE_DELETE, zclient, &api);
}
}
@@ -2195,22 +2125,10 @@ void bgp_zebra_init(struct thread_master *master)
zclient->local_vni_del = bgp_zebra_process_local_vni;
zclient->local_macip_add = bgp_zebra_process_local_macip;
zclient->local_macip_del = bgp_zebra_process_local_macip;
-
- bgp_nexthop_buf = stream_new(multipath_num * sizeof(struct in6_addr));
- bgp_ifindices_buf = stream_new(multipath_num * sizeof(unsigned int));
- bgp_label_buf = stream_new(multipath_num * sizeof(unsigned int));
}
void bgp_zebra_destroy(void)
{
-
- if (bgp_nexthop_buf)
- stream_free(bgp_nexthop_buf);
- if (bgp_ifindices_buf)
- stream_free(bgp_ifindices_buf);
- if (bgp_label_buf)
- stream_free(bgp_label_buf);
-
if (zclient == NULL)
return;
zclient_stop(zclient);
diff --git a/bgpd/rfapi/vnc_zebra.c b/bgpd/rfapi/vnc_zebra.c
index 29652e59d..1b1a89b35 100644
--- a/bgpd/rfapi/vnc_zebra.c
+++ b/bgpd/rfapi/vnc_zebra.c
@@ -501,21 +501,27 @@ static void vnc_zebra_route_msg(struct prefix *p, int nhp_count, void *nhp_ary,
}
if (p->family == AF_INET) {
+ struct zapi_route api;
+ struct zapi_nexthop *api_nh;
+ struct in_addr *nhp_ary4 = nhp_ary;
+ int i;
- struct zapi_ipv4 api;
-
- api.flags = 0;
+ memset(&api, 0, sizeof(api));
api.vrf_id = VRF_DEFAULT;
api.type = ZEBRA_ROUTE_VNC;
- api.message = 0;
- SET_FLAG(api.message,
- ZAPI_MESSAGE_NEXTHOP); /* TBD what's it mean? */
- api.nexthop_num = nhp_count;
- api.nexthop = nhp_ary;
- api.ifindex_num = 0;
- api.instance = 0;
+ api.prefix = *p;
api.safi = SAFI_UNICAST;
+ /* Nexthops */
+ SET_FLAG(api.message, ZAPI_MESSAGE_NEXTHOP);
+ api.nexthop_num = nhp_count;
+ for (i = 0; i < nhp_count; i++) {
+ api_nh = &api.nexthops[i];
+ memcpy(&api_nh->gate.ipv4, &nhp_ary4[i],
+ sizeof(api_nh->gate.ipv4));
+ api_nh->type = NEXTHOP_TYPE_IPV4;
+ }
+
if (BGP_DEBUG(zebra, ZEBRA)) {
char buf[INET_ADDRSTRLEN];
@@ -527,29 +533,31 @@ static void vnc_zebra_route_msg(struct prefix *p, int nhp_count, void *nhp_ary,
p->prefixlen, nhp_count);
}
- zapi_ipv4_route((add ? ZEBRA_IPV4_ROUTE_ADD
- : ZEBRA_IPV4_ROUTE_DELETE),
- zclient_vnc, (struct prefix_ipv4 *)p, &api);
+ zclient_route_send((add ? ZEBRA_ROUTE_ADD : ZEBRA_ROUTE_DELETE),
+ zclient_vnc, &api);
} else if (p->family == AF_INET6) {
+ struct zapi_route api;
+ struct zapi_nexthop *api_nh;
+ struct in6_addr *nhp_ary6 = nhp_ary;
+ int i;
- struct zapi_ipv6 api;
- ifindex_t ifindex = 0;
-
- /* Make Zebra API structure. */
- api.flags = 0;
+ memset(&api, 0, sizeof(api));
api.vrf_id = VRF_DEFAULT;
api.type = ZEBRA_ROUTE_VNC;
- api.message = 0;
- SET_FLAG(api.message, ZAPI_MESSAGE_NEXTHOP); /* TBD means? */
- api.nexthop_num = nhp_count;
- api.nexthop = nhp_ary;
- SET_FLAG(api.message, ZAPI_MESSAGE_IFINDEX);
- api.ifindex_num = 1;
- api.ifindex = &ifindex;
- api.instance = 0;
+ api.prefix = *p;
api.safi = SAFI_UNICAST;
+ /* Nexthops */
+ SET_FLAG(api.message, ZAPI_MESSAGE_NEXTHOP);
+ api.nexthop_num = nhp_count;
+ for (i = 0; i < nhp_count; i++) {
+ api_nh = &api.nexthops[i];
+ memcpy(&api_nh->gate.ipv6, &nhp_ary6[i],
+ sizeof(api_nh->gate.ipv6));
+ api_nh->type = NEXTHOP_TYPE_IPV6;
+ }
+
if (BGP_DEBUG(zebra, ZEBRA)) {
char buf[INET6_ADDRSTRLEN];
@@ -561,10 +569,8 @@ static void vnc_zebra_route_msg(struct prefix *p, int nhp_count, void *nhp_ary,
p->prefixlen, nhp_count);
}
- zapi_ipv6_route((add ? ZEBRA_IPV6_ROUTE_ADD
- : ZEBRA_IPV6_ROUTE_DELETE),
- zclient_vnc, (struct prefix_ipv6 *)p, NULL,
- &api);
+ zclient_route_send((add ? ZEBRA_ROUTE_ADD : ZEBRA_ROUTE_DELETE),
+ zclient_vnc, &api);
} else {
vnc_zlog_debug_verbose(
"%s: unknown prefix address family, skipping",
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-03 21:39:51 +0100