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bgpd: add bgp default link-state command

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Add the "bgp default link-state" command to the "router bgp" context.

> router bgp 65000
>  bgp default link-state

When this command is set, the "link-state/link-state" AFI/SAFI is
activated on all neighbors that are directly specified within the
"router bgp" unless explicitly deactivated:

> router bgp 65000
>  bgp default link-state
>  neighbor 10.0.0.1 remote-as 65001
>  address-family link-state link-state
>   no neighbor 10.0.0.1 activate

Signed-off-by: Louis Scalbert <louis.scalbert@6wind.com>
This commit is contained in:
Louis Scalbert 2023-01-17 16:34:04 +01:00
parent 39fb34275f
commit 38a7e20fc9
1 changed files with 20 additions and 1 deletions
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21
bgpd/bgp_vty.c
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@ -465,6 +465,8 @@ afi_t bgp_vty_afi_from_str(const char *afi_str)
afi = AFI_IP6;
else if (strmatch(afi_str, "l2vpn"))
afi = AFI_L2VPN;
else if (strmatch(afi_str, "link-state"))
afi = AFI_LINKSTATE;
return afi;
}
@ -484,6 +486,10 @@ int argv_find_and_parse_afi(struct cmd_token **argv, int argc, int *index,
ret = 1;
if (afi)
*afi = AFI_L2VPN;
} else if (argv_find(argv, argc, "link-state", index)) {
ret = 1;
if (afi)
*afi = AFI_LINKSTATE;
}
return ret;
}
@ -539,6 +545,10 @@ int argv_find_and_parse_safi(struct cmd_token **argv, int argc, int *index,
ret = 1;
if (safi)
*safi = SAFI_FLOWSPEC;
} else if (argv_find(argv, argc, "link-state", index)) {
ret = 1;
if (safi)
*safi = SAFI_LINKSTATE;
}
return ret;
}
@ -4189,6 +4199,7 @@ DEFPY(bgp_default_afi_safi, bgp_default_afi_safi_cmd,
"ipv6-vpn|"
"ipv6-labeled-unicast|"
"ipv6-flowspec|"
"link-state|"
"l2vpn-evpn>$afi_safi",
NO_STR
BGP_STR
@ -4203,6 +4214,7 @@ DEFPY(bgp_default_afi_safi, bgp_default_afi_safi_cmd,
"Activate ipv6-vpn for a peer by default\n"
"Activate ipv6-labeled-unicast for a peer by default\n"
"Activate ipv6-flowspec for a peer by default\n"
"Activate link-state for a peer by default\n"
"Activate l2vpn-evpn for a peer by default\n")
{
VTY_DECLVAR_CONTEXT(bgp, bgp);
@ -4212,9 +4224,14 @@ DEFPY(bgp_default_afi_safi, bgp_default_afi_safi_cmd,
strlcpy(afi_safi_str, afi_safi, sizeof(afi_safi_str));
char *afi_str = strtok_r(afi_safi_str, "-", &afi_safi_str_tok);
char *safi_str = strtok_r(NULL, "-", &afi_safi_str_tok);
afi_t afi = bgp_vty_afi_from_str(afi_str);
afi_t afi;
safi_t safi;
if (strmatch(afi_safi, "link-state"))
afi = bgp_vty_afi_from_str("link-state");
else
afi = bgp_vty_afi_from_str(afi_str);
/*
* Impossible situation but making coverity happy
*/
@ -4222,6 +4239,8 @@ DEFPY(bgp_default_afi_safi, bgp_default_afi_safi_cmd,
if (strmatch(safi_str, "labeled"))
safi = bgp_vty_safi_from_str("labeled-unicast");
else if (strmatch(afi_safi, "link-state"))
safi = bgp_vty_safi_from_str("link-state");
else
safi = bgp_vty_safi_from_str(safi_str);