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zebra: Add encap and group type decoding to nexthop dump

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Add the ability to give data about the nexthop group type
and encap type so that it is human readable.

Signed-off-by: Donald Sharp <sharpd@nvidia.com>
This commit is contained in:
Donald Sharp 2022-05-13 10:25:13 -04:00
parent 4dc6d51122
commit c30c607027
1 changed files with 41 additions and 1 deletions
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42
zebra/debug_nl.c
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@ -26,6 +26,7 @@
#include <linux/rtnetlink.h>
#include <net/if_arp.h>
#include <linux/fib_rules.h>
#include <linux/lwtunnel.h>
#include <stdio.h>
#include <stdint.h>
@ -1234,6 +1235,42 @@ next_rta:
goto next_rta;
}
static const char *lwt_type2str(uint16_t type)
{
switch (type) {
case LWTUNNEL_ENCAP_NONE:
return "NONE";
case LWTUNNEL_ENCAP_MPLS:
return "MPLS";
case LWTUNNEL_ENCAP_IP:
return "IPv4";
case LWTUNNEL_ENCAP_ILA:
return "ILA";
case LWTUNNEL_ENCAP_IP6:
return "IPv6";
case LWTUNNEL_ENCAP_SEG6:
return "SEG6";
case LWTUNNEL_ENCAP_BPF:
return "BPF";
case LWTUNNEL_ENCAP_SEG6_LOCAL:
return "SEG6_LOCAL";
default:
return "UNKNOWN";
}
}
static const char *nhg_type2str(uint16_t type)
{
switch (type) {
case NEXTHOP_GRP_TYPE_MPATH:
return "MULTIPATH";
case NEXTHOP_GRP_TYPE_RES:
return "RESILIENT MULTIPATH";
default:
return "UNKNOWN";
}
}
static void nlnh_dump(struct nhmsg *nhm, size_t msglen)
{
struct rtattr *rta;
@ -1275,9 +1312,12 @@ next_rta:
nhgrp[i].weight);
break;
case NHA_ENCAP_TYPE:
u16v = *(uint16_t *)RTA_DATA(rta);
zlog_debug(" %s", lwt_type2str(u16v));
break;
case NHA_GROUP_TYPE:
u16v = *(uint16_t *)RTA_DATA(rta);
zlog_debug(" %d", u16v);
zlog_debug(" %s", nhg_type2str(u16v));
break;
case NHA_BLACKHOLE:
/* NOTHING */