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Merge pull request #8028 from ton31337/fix/aggregator_dump_attributes_if_zero

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bgpd: Dump BGP attrs to check what's the actual prefix with aggr_as 0
This commit is contained in:
Donald Sharp 2021-02-08 16:02:17 -05:00 committed by GitHub
commit 7a0df480c4
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 22 additions and 4 deletions
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26
bgpd/bgp_attr.c
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@ -1754,12 +1754,21 @@ static int bgp_attr_aggregator(struct bgp_attr_parser_args *args)
attr->aggregator_addr.s_addr = stream_get_ipv4(peer->curr); attr->aggregator_addr.s_addr = stream_get_ipv4(peer->curr);
/* Codification of AS 0 Processing */ /* Codification of AS 0 Processing */
if (aggregator_as == BGP_AS_ZERO) if (aggregator_as == BGP_AS_ZERO) {
flog_err(EC_BGP_ATTR_LEN, flog_err(EC_BGP_ATTR_LEN,
"%s: AGGREGATOR AS number is 0 for aspath: %s", "%s: AGGREGATOR AS number is 0 for aspath: %s",
peer->host, aspath_print(attr->aspath)); peer->host, aspath_print(attr->aspath));
else
if (bgp_debug_update(peer, NULL, NULL, 1)) {
char attr_str[BUFSIZ] = {0};
bgp_dump_attr(attr, attr_str, sizeof(attr_str));
zlog_debug("%s: attributes: %s", __func__, attr_str);
}
} else {
attr->flag |= ATTR_FLAG_BIT(BGP_ATTR_AGGREGATOR); attr->flag |= ATTR_FLAG_BIT(BGP_ATTR_AGGREGATOR);
}
return BGP_ATTR_PARSE_PROCEED; return BGP_ATTR_PARSE_PROCEED;
} }
@ -1788,12 +1797,21 @@ bgp_attr_as4_aggregator(struct bgp_attr_parser_args *args,
as4_aggregator_addr->s_addr = stream_get_ipv4(peer->curr); as4_aggregator_addr->s_addr = stream_get_ipv4(peer->curr);
/* Codification of AS 0 Processing */ /* Codification of AS 0 Processing */
if (aggregator_as == BGP_AS_ZERO) if (aggregator_as == BGP_AS_ZERO) {
flog_err(EC_BGP_ATTR_LEN, flog_err(EC_BGP_ATTR_LEN,
"%s: AS4_AGGREGATOR AS number is 0 for aspath: %s", "%s: AS4_AGGREGATOR AS number is 0 for aspath: %s",
peer->host, aspath_print(attr->aspath)); peer->host, aspath_print(attr->aspath));
else
if (bgp_debug_update(peer, NULL, NULL, 1)) {
char attr_str[BUFSIZ] = {0};
bgp_dump_attr(attr, attr_str, sizeof(attr_str));
zlog_debug("%s: attributes: %s", __func__, attr_str);
}
} else {
attr->flag |= ATTR_FLAG_BIT(BGP_ATTR_AS4_AGGREGATOR); attr->flag |= ATTR_FLAG_BIT(BGP_ATTR_AS4_AGGREGATOR);
}
return BGP_ATTR_PARSE_PROCEED; return BGP_ATTR_PARSE_PROCEED;
} }