bgpd: Unify multiprotocol capability for OPEN logging

Before:
```
192.168.10.17 OPEN has MultiProtocol Extensions capability (1), length 4
192.168.10.17 OPEN has MP_EXT CAP for afi/safi: IPv4/unicast
```

After:
```
192.168.10.17 OPEN has MultiProtocol Extensions capability (1), length 4
192.168.10.17 OPEN has MultiProtocol Extensions capability for afi/safi: IPv4/unicast
```

Signed-off-by: Donatas Abraitis <donatas.abraitis@gmail.com>
This commit is contained in:
Donatas Abraitis 2021-10-26 10:37:22 +03:00
parent 4a4ace3ee5
commit 1cadb7186e

View File

@ -42,6 +42,63 @@
#include "bgpd/bgp_vty.h"
#include "bgpd/bgp_memory.h"
static const struct message capcode_str[] = {
{CAPABILITY_CODE_MP, "MultiProtocol Extensions"},
{CAPABILITY_CODE_REFRESH, "Route Refresh"},
{CAPABILITY_CODE_ORF, "Cooperative Route Filtering"},
{CAPABILITY_CODE_RESTART, "Graceful Restart"},
{CAPABILITY_CODE_AS4, "4-octet AS number"},
{CAPABILITY_CODE_ADDPATH, "AddPath"},
{CAPABILITY_CODE_DYNAMIC, "Dynamic"},
{CAPABILITY_CODE_ENHE, "Extended Next Hop Encoding"},
{CAPABILITY_CODE_DYNAMIC_OLD, "Dynamic (Old)"},
{CAPABILITY_CODE_REFRESH_OLD, "Route Refresh (Old)"},
{CAPABILITY_CODE_ORF_OLD, "ORF (Old)"},
{CAPABILITY_CODE_FQDN, "FQDN"},
{CAPABILITY_CODE_ENHANCED_RR, "Enhanced Route Refresh"},
{CAPABILITY_CODE_EXT_MESSAGE, "BGP Extended Message"},
{0}};
/* Minimum sizes for length field of each cap (so not inc. the header) */
static const size_t cap_minsizes[] = {
[CAPABILITY_CODE_MP] = CAPABILITY_CODE_MP_LEN,
[CAPABILITY_CODE_REFRESH] = CAPABILITY_CODE_REFRESH_LEN,
[CAPABILITY_CODE_ORF] = CAPABILITY_CODE_ORF_LEN,
[CAPABILITY_CODE_RESTART] = CAPABILITY_CODE_RESTART_LEN,
[CAPABILITY_CODE_AS4] = CAPABILITY_CODE_AS4_LEN,
[CAPABILITY_CODE_ADDPATH] = CAPABILITY_CODE_ADDPATH_LEN,
[CAPABILITY_CODE_DYNAMIC] = CAPABILITY_CODE_DYNAMIC_LEN,
[CAPABILITY_CODE_DYNAMIC_OLD] = CAPABILITY_CODE_DYNAMIC_LEN,
[CAPABILITY_CODE_ENHE] = CAPABILITY_CODE_ENHE_LEN,
[CAPABILITY_CODE_REFRESH_OLD] = CAPABILITY_CODE_REFRESH_LEN,
[CAPABILITY_CODE_ORF_OLD] = CAPABILITY_CODE_ORF_LEN,
[CAPABILITY_CODE_FQDN] = CAPABILITY_CODE_MIN_FQDN_LEN,
[CAPABILITY_CODE_ENHANCED_RR] = CAPABILITY_CODE_ENHANCED_LEN,
[CAPABILITY_CODE_EXT_MESSAGE] = CAPABILITY_CODE_EXT_MESSAGE_LEN,
};
/* value the capability must be a multiple of.
* 0-data capabilities won't be checked against this.
* Other capabilities whose data doesn't fall on convenient boundaries for this
* table should be set to 1.
*/
static const size_t cap_modsizes[] = {
[CAPABILITY_CODE_MP] = 4,
[CAPABILITY_CODE_REFRESH] = 1,
[CAPABILITY_CODE_ORF] = 1,
[CAPABILITY_CODE_RESTART] = 1,
[CAPABILITY_CODE_AS4] = 4,
[CAPABILITY_CODE_ADDPATH] = 4,
[CAPABILITY_CODE_DYNAMIC] = 1,
[CAPABILITY_CODE_DYNAMIC_OLD] = 1,
[CAPABILITY_CODE_ENHE] = 6,
[CAPABILITY_CODE_REFRESH_OLD] = 1,
[CAPABILITY_CODE_ORF_OLD] = 1,
[CAPABILITY_CODE_FQDN] = 1,
[CAPABILITY_CODE_ENHANCED_RR] = 1,
[CAPABILITY_CODE_EXT_MESSAGE] = 1,
};
/* BGP-4 Multiprotocol Extentions lead us to the complex world. We can
negotiate remote peer supports extentions or not. But if
remote-peer doesn't supports negotiation process itself. We would
@ -264,9 +321,9 @@ static int bgp_capability_mp(struct peer *peer, struct capability_header *hdr)
bgp_capability_mp_data(s, &mpc);
if (bgp_debug_neighbor_events(peer))
zlog_debug("%s OPEN has MP_EXT CAP for afi/safi: %s/%s",
peer->host, iana_afi2str(mpc.afi),
iana_safi2str(mpc.safi));
zlog_debug("%s OPEN has %s capability for afi/safi: %s/%s",
peer->host, lookup_msg(capcode_str, hdr->code, NULL),
iana_afi2str(mpc.afi), iana_safi2str(mpc.safi));
/* Convert AFI, SAFI to internal values, check. */
if (bgp_map_afi_safi_iana2int(mpc.afi, mpc.safi, &afi, &safi))
@ -761,63 +818,6 @@ static int bgp_capability_hostname(struct peer *peer,
return 0;
}
static const struct message capcode_str[] = {
{CAPABILITY_CODE_MP, "MultiProtocol Extensions"},
{CAPABILITY_CODE_REFRESH, "Route Refresh"},
{CAPABILITY_CODE_ORF, "Cooperative Route Filtering"},
{CAPABILITY_CODE_RESTART, "Graceful Restart"},
{CAPABILITY_CODE_AS4, "4-octet AS number"},
{CAPABILITY_CODE_ADDPATH, "AddPath"},
{CAPABILITY_CODE_DYNAMIC, "Dynamic"},
{CAPABILITY_CODE_ENHE, "Extended Next Hop Encoding"},
{CAPABILITY_CODE_DYNAMIC_OLD, "Dynamic (Old)"},
{CAPABILITY_CODE_REFRESH_OLD, "Route Refresh (Old)"},
{CAPABILITY_CODE_ORF_OLD, "ORF (Old)"},
{CAPABILITY_CODE_FQDN, "FQDN"},
{CAPABILITY_CODE_ENHANCED_RR, "Enhanced Route Refresh"},
{CAPABILITY_CODE_EXT_MESSAGE, "BGP Extended Message"},
{0}};
/* Minimum sizes for length field of each cap (so not inc. the header) */
static const size_t cap_minsizes[] = {
[CAPABILITY_CODE_MP] = CAPABILITY_CODE_MP_LEN,
[CAPABILITY_CODE_REFRESH] = CAPABILITY_CODE_REFRESH_LEN,
[CAPABILITY_CODE_ORF] = CAPABILITY_CODE_ORF_LEN,
[CAPABILITY_CODE_RESTART] = CAPABILITY_CODE_RESTART_LEN,
[CAPABILITY_CODE_AS4] = CAPABILITY_CODE_AS4_LEN,
[CAPABILITY_CODE_ADDPATH] = CAPABILITY_CODE_ADDPATH_LEN,
[CAPABILITY_CODE_DYNAMIC] = CAPABILITY_CODE_DYNAMIC_LEN,
[CAPABILITY_CODE_DYNAMIC_OLD] = CAPABILITY_CODE_DYNAMIC_LEN,
[CAPABILITY_CODE_ENHE] = CAPABILITY_CODE_ENHE_LEN,
[CAPABILITY_CODE_REFRESH_OLD] = CAPABILITY_CODE_REFRESH_LEN,
[CAPABILITY_CODE_ORF_OLD] = CAPABILITY_CODE_ORF_LEN,
[CAPABILITY_CODE_FQDN] = CAPABILITY_CODE_MIN_FQDN_LEN,
[CAPABILITY_CODE_ENHANCED_RR] = CAPABILITY_CODE_ENHANCED_LEN,
[CAPABILITY_CODE_EXT_MESSAGE] = CAPABILITY_CODE_EXT_MESSAGE_LEN,
};
/* value the capability must be a multiple of.
* 0-data capabilities won't be checked against this.
* Other capabilities whose data doesn't fall on convenient boundaries for this
* table should be set to 1.
*/
static const size_t cap_modsizes[] = {
[CAPABILITY_CODE_MP] = 4,
[CAPABILITY_CODE_REFRESH] = 1,
[CAPABILITY_CODE_ORF] = 1,
[CAPABILITY_CODE_RESTART] = 1,
[CAPABILITY_CODE_AS4] = 4,
[CAPABILITY_CODE_ADDPATH] = 4,
[CAPABILITY_CODE_DYNAMIC] = 1,
[CAPABILITY_CODE_DYNAMIC_OLD] = 1,
[CAPABILITY_CODE_ENHE] = 6,
[CAPABILITY_CODE_REFRESH_OLD] = 1,
[CAPABILITY_CODE_ORF_OLD] = 1,
[CAPABILITY_CODE_FQDN] = 1,
[CAPABILITY_CODE_ENHANCED_RR] = 1,
[CAPABILITY_CODE_EXT_MESSAGE] = 1,
};
/**
* Parse given capability.
* XXX: This is reading into a stream, but not using stream API