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zebra, lib: add support for SRv6 End.DT46 behavior

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This commit enables zebra to install End.DT46 nexthops into the Linux kernel.

Signed-off-by: Carmine Scarpitta <carmine.scarpitta@uniroma2.it>
This commit is contained in:
Carmine Scarpitta 2022-07-23 01:32:04 +02:00
parent f10b773c79
commit 8bea07e49f
3 changed files with 26 additions and 0 deletions
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3
lib/srv6.c
View File

@ -57,6 +57,8 @@ const char *seg6local_action2str(uint32_t action)
return "End.AS";
case ZEBRA_SEG6_LOCAL_ACTION_END_AM:
return "End.AM";
case ZEBRA_SEG6_LOCAL_ACTION_END_DT46:
return "End.DT46";
case ZEBRA_SEG6_LOCAL_ACTION_UNSPEC:
return "unspec";
default:
@ -105,6 +107,7 @@ const char *seg6local_context2str(char *str, size_t size,
case ZEBRA_SEG6_LOCAL_ACTION_END_T:
case ZEBRA_SEG6_LOCAL_ACTION_END_DT6:
case ZEBRA_SEG6_LOCAL_ACTION_END_DT4:
case ZEBRA_SEG6_LOCAL_ACTION_END_DT46:
snprintf(str, size, "table %u", ctx->table);
return str;

1
lib/srv6.h
View File

@ -60,6 +60,7 @@ enum seg6local_action_t {
ZEBRA_SEG6_LOCAL_ACTION_END_AS = 13,
ZEBRA_SEG6_LOCAL_ACTION_END_AM = 14,
ZEBRA_SEG6_LOCAL_ACTION_END_BPF = 15,
ZEBRA_SEG6_LOCAL_ACTION_END_DT46 = 16,
};
struct seg6_segs {

22
zebra/rt_netlink.c
View File

@ -1540,6 +1540,16 @@ static bool _netlink_route_build_singlepath(const struct prefix *p,
ctx->table))
return false;
break;
case ZEBRA_SEG6_LOCAL_ACTION_END_DT46:
if (!nl_attr_put32(nlmsg, req_size,
SEG6_LOCAL_ACTION,
SEG6_LOCAL_ACTION_END_DT46))
return false;
if (!nl_attr_put32(nlmsg, req_size,
SEG6_LOCAL_VRFTABLE,
ctx->table))
return false;
break;
default:
zlog_err("%s: unsupport seg6local behaviour action=%u",
__func__,
@ -2706,6 +2716,18 @@ ssize_t netlink_nexthop_msg_encode(uint16_t cmd,
ctx->table))
return 0;
break;
case SEG6_LOCAL_ACTION_END_DT46:
if (!nl_attr_put32(
&req->n, buflen,
SEG6_LOCAL_ACTION,
SEG6_LOCAL_ACTION_END_DT46))
return 0;
if (!nl_attr_put32(
&req->n, buflen,
SEG6_LOCAL_VRFTABLE,
ctx->table))
return 0;
break;
default:
zlog_err("%s: unsupport seg6local behaviour action=%u",
__func__, action);