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zebra: Add show command to dump nexthop-group information for Zebra

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Just a simple addition of a command to dump the nexthop group information.

Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
This commit is contained in:
Donald Sharp 2019-01-23 21:16:41 -05:00 committed by Stephen Worley
parent 69171da262
commit 21be136402
1 changed files with 75 additions and 0 deletions
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75
zebra/zebra_vty.c
View File

@ -52,6 +52,7 @@
#include "zebra/ipforward.h" #include "zebra/ipforward.h"
#include "zebra/zebra_vxlan_private.h" #include "zebra/zebra_vxlan_private.h"
#include "zebra/zebra_pbr.h" #include "zebra/zebra_pbr.h"
#include "zebra/zebra_nhg.h"
extern int allow_delete; extern int allow_delete;
@ -1101,6 +1102,78 @@ DEFUN (ip_nht_default_route,
return CMD_SUCCESS; return CMD_SUCCESS;
} }
static void show_nexthop_group_cmd_helper(struct vty *vty,
struct zebra_vrf *zvrf, afi_t afi)
{
struct list *list = hash_to_list(zrouter.nhgs);
struct nhg_hash_entry *nhe;
struct listnode *node;
for (ALL_LIST_ELEMENTS_RO(list, node, nhe)) {
struct nexthop *nhop;
if (nhe->afi != afi)
continue;
if (nhe->vrf_id != zvrf->vrf->vrf_id)
continue;
vty_out(vty, "Group: %u RefCnt: %u afi: %d\n", nhe->dplane_ref,
nhe->refcnt, nhe->afi);
for (ALL_NEXTHOPS(nhe->nhg, nhop)) {
vty_out(vty, " ");
nexthop_group_write_nexthop(vty, nhop);
}
}
list_delete(&list);
}
DEFPY (show_nexthop_group,
show_nexthop_group_cmd,
"show nexthop-group <ipv4$v4|ipv6$v6> [vrf <NAME$vrf_name|all$vrf_all>]",
SHOW_STR
IP_STR
IP6_STR
"Show Nexthop Groups\n"
VRF_FULL_CMD_HELP_STR)
{
afi_t afi = v4 ? AFI_IP : AFI_IP6;
struct zebra_vrf *zvrf;
if (vrf_all) {
struct vrf *vrf;
RB_FOREACH (vrf, vrf_name_head, &vrfs_by_name) {
struct zebra_vrf *zvrf;
zvrf = vrf->info;
if (!zvrf)
continue;
vty_out(vty, "VRF: %s\n", vrf->name);
show_nexthop_group_cmd_helper(vty, zvrf, afi);
}
return CMD_SUCCESS;
}
if (vrf_name)
zvrf = zebra_vrf_lookup_by_name(vrf_name);
else
zvrf = zebra_vrf_lookup_by_name(VRF_DEFAULT_NAME);
if (!zvrf) {
vty_out(vty, "VRF %s specified does not exist", vrf_name);
return CMD_SUCCESS;
}
show_nexthop_group_cmd_helper(vty, zvrf, afi);
return CMD_SUCCESS;
}
DEFUN (no_ip_nht_default_route, DEFUN (no_ip_nht_default_route,
no_ip_nht_default_route_cmd, no_ip_nht_default_route_cmd,
"no ip nht resolve-via-default", "no ip nht resolve-via-default",
@ -3033,6 +3106,8 @@ void zebra_vty_init(void)
install_element(CONFIG_NODE, &zebra_packet_process_cmd); install_element(CONFIG_NODE, &zebra_packet_process_cmd);
install_element(CONFIG_NODE, &no_zebra_packet_process_cmd); install_element(CONFIG_NODE, &no_zebra_packet_process_cmd);
install_element(VIEW_NODE, &show_nexthop_group_cmd);
install_element(VIEW_NODE, &show_vrf_cmd); install_element(VIEW_NODE, &show_vrf_cmd);
install_element(VIEW_NODE, &show_vrf_vni_cmd); install_element(VIEW_NODE, &show_vrf_vni_cmd);
install_element(VIEW_NODE, &show_route_cmd); install_element(VIEW_NODE, &show_route_cmd);