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bgpd: Ensure evpn local table display shows route send status

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evpn has a concept of `local` tables where the evpn routes
are actually converted into underlying routes/neighbor
table entries( or vice versa ).  Then this local route
is propagated to the global evpn l2vpn table and sent
to the peers.  Certain show commands in evpn look
operate on the local table but make the output look
like the data has not been sent to the peer.  This
is confusing for the operator.  Modify the code
such that local tables get a `Local BGP table not advertised`
in the place where the code talks about whom has received
the data or not.

Example:
torm11# show bgp l2vpn evpn route vni 1000 mac 8a:a1:cc:73:a3:ac ip 45.0.0.5
BGP routing table entry for [2]:[0]:[48]:[8a:a1:cc:73:a3:ac]:[32]:[45.0.0.5]
Paths: (2 available, best #2)
  Local BGP table not advertised
  Route [2]:[0]:[48]:[8a:a1:cc:73:a3:ac]:[32]:[45.0.0.5] VNI 1000
  Imported from 192.168.100.18:2:[2]:[0]:[48]:[8a:a1:cc:73:a3:ac]:[32]:[45.0.0.5], VNI 1000
  65101 65005
    192.168.100.18(leaf2) from leaf2(192.168.5.1) (192.168.100.14)
      Origin IGP, valid, external
      Extended Community: RT:65005:1000 ET:8
      Last update: Thu Mar 21 14:29:04 2024
  Route [2]:[0]:[48]:[8a:a1:cc:73:a3:ac]:[32]:[45.0.0.5] VNI 1000
  Imported from 192.168.100.18:2:[2]:[0]:[48]:[8a:a1:cc:73:a3:ac]:[32]:[45.0.0.5], VNI 1000
  65101 65005
    192.168.100.18(leaf1) from leaf1(192.168.1.1) (192.168.100.13)
      Origin IGP, valid, external, bestpath-from-AS 65101, best (Router ID)
      Extended Community: RT:65005:1000 ET:8
      Last update: Thu Mar 21 14:29:04 2024

Signed-off-by: Donald Sharp <sharpd@nvidia.com>
This commit is contained in:
Donald Sharp 2024-03-22 16:04:19 -04:00
parent 90787a57fd
commit 4dd9d1176f
3 changed files with 42 additions and 29 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

33
bgpd/bgp_evpn_vty.c
View File

@ -2561,7 +2561,7 @@ static void evpn_show_route_vni_multicast(struct vty *vty, struct bgp *bgp,
/* Prefix and num paths displayed once per prefix. */
route_vty_out_detail_header(vty, bgp, dest, bgp_dest_get_prefix(dest),
NULL, afi, safi, json, false);
NULL, afi, safi, json, false, true);
/* Display each path for this prefix. */
for (pi = bgp_dest_get_bgp_path_info(dest); pi; pi = pi->next) {
@ -2663,7 +2663,7 @@ static void evpn_show_route_vni_macip(struct vty *vty, struct bgp *bgp,
/* Prefix and num paths displayed once per prefix. */
route_vty_out_detail_header(vty, bgp, dest, (struct prefix *)&p, NULL,
afi, safi, json, false);
afi, safi, json, false, true);
evp = (const struct prefix_evpn *)bgp_dest_get_prefix(dest);
@ -2798,7 +2798,7 @@ static void evpn_show_route_rd_macip(struct vty *vty, struct bgp *bgp,
/* Prefix and num paths displayed once per prefix. */
route_vty_out_detail_header(vty, bgp, dest, bgp_dest_get_prefix(dest),
prd, afi, safi, json, false);
prd, afi, safi, json, false, false);
if (json)
json_paths = json_object_new_array();
@ -2905,9 +2905,10 @@ static void evpn_show_route_rd(struct vty *vty, struct bgp *bgp,
}
/* Prefix and num paths displayed once per prefix. */
route_vty_out_detail_header(
vty, bgp, dest, bgp_dest_get_prefix(dest), prd,
afi, safi, json_prefix, false);
route_vty_out_detail_header(vty, bgp, dest,
bgp_dest_get_prefix(dest),
prd, afi, safi, json_prefix,
false, false);
prefix_cnt++;
}
@ -3042,9 +3043,10 @@ static void evpn_show_route_rd_all_macip(struct vty *vty, struct bgp *bgp,
p->prefixlen);
} else
/* Prefix and num paths displayed once per prefix. */
route_vty_out_detail_header(
vty, bgp, dest, p, (struct prefix_rd *)rd_destp,
AFI_L2VPN, SAFI_EVPN, json_prefix, false);
route_vty_out_detail_header(vty, bgp, dest, p,
(struct prefix_rd *)rd_destp,
AFI_L2VPN, SAFI_EVPN,
json_prefix, false, false);
/* For EVPN, the prefix is displayed for each path (to
* fit in with code that already exists).
@ -3197,11 +3199,14 @@ static void evpn_show_all_routes(struct vty *vty, struct bgp *bgp, int type,
/* Prefix and num paths displayed once per prefix. */
if (detail)
route_vty_out_detail_header(
vty, bgp, dest,
bgp_dest_get_prefix(dest),
(struct prefix_rd *)rd_destp, AFI_L2VPN,
SAFI_EVPN, json_prefix, false);
route_vty_out_detail_header(vty, bgp, dest,
bgp_dest_get_prefix(
dest),
(struct prefix_rd *)
rd_destp,
AFI_L2VPN, SAFI_EVPN,
json_prefix, false,
false);
/* For EVPN, the prefix is displayed for each path (to
* fit in

35
bgpd/bgp_route.c
View File

@ -11918,10 +11918,9 @@ static int bgp_show_table(struct vty *vty, struct bgp *bgp, afi_t afi, safi_t sa
if (!use_json)
route_vty_out_detail_header(
vty, bgp, dest,
bgp_dest_get_prefix(
dest),
bgp_dest_get_prefix(dest),
prd, table->afi, safi,
NULL, false);
NULL, false, false);
route_vty_out_detail(
vty, bgp, dest, dest_p, pi,
@ -11994,10 +11993,12 @@ static int bgp_show_table(struct vty *vty, struct bgp *bgp, afi_t afi, safi_t sa
prd = bgp_rd_from_dest(dest, safi);
route_vty_out_detail_header(
vty, bgp, dest,
bgp_dest_get_prefix(dest), prd,
table->afi, safi, json_paths, true);
route_vty_out_detail_header(vty, bgp, dest,
bgp_dest_get_prefix(
dest),
prd, table->afi,
safi, json_paths,
true, false);
vty_out(vty, "\"paths\": ");
json_detail_header_used = true;
@ -12203,7 +12204,7 @@ void route_vty_out_detail_header(struct vty *vty, struct bgp *bgp,
struct bgp_dest *dest, const struct prefix *p,
const struct prefix_rd *prd, afi_t afi,
safi_t safi, json_object *json,
bool incremental_print)
bool incremental_print, bool local_table)
{
struct bgp_path_info *pi;
struct peer *peer;
@ -12421,8 +12422,14 @@ void route_vty_out_detail_header(struct vty *vty, struct bgp *bgp,
json_object_object_add(json, "advertisedTo",
json_adv_to);
} else {
if (!json && first)
vty_out(vty, " Not advertised to any peer");
if (!json && first) {
if (!local_table)
vty_out(vty,
" Not advertised to any peer");
else
vty_out(vty,
" Local BGP table not advertised");
}
vty_out(vty, "\n");
}
}
@ -12461,10 +12468,10 @@ static void bgp_show_path_info(const struct prefix_rd *pfx_rd,
}
if (header) {
route_vty_out_detail_header(
vty, bgp, bgp_node,
bgp_dest_get_prefix(bgp_node), pfx_rd, AFI_IP,
safi, json_header, false);
route_vty_out_detail_header(vty, bgp, bgp_node,
bgp_dest_get_prefix(bgp_node),
pfx_rd, AFI_IP, safi,
json_header, false, false);
header = 0;
}
(*display)++;

3
bgpd/bgp_route.h
View File

@ -903,7 +903,8 @@ extern void route_vty_out_detail_header(struct vty *vty, struct bgp *bgp,
const struct prefix *p,
const struct prefix_rd *prd, afi_t afi,
safi_t safi, json_object *json,
bool incremental_print);
bool incremental_print,
bool local_table);
extern void route_vty_out_detail(struct vty *vty, struct bgp *bgp,
struct bgp_dest *bn, const struct prefix *p,
struct bgp_path_info *path, afi_t afi,