diff options
Diffstat (limited to 'bgpd/bgp_ecommunity.c')
| -rw-r--r-- | bgpd/bgp_ecommunity.c | 32 |
1 files changed, 30 insertions, 2 deletions
diff --git a/bgpd/bgp_ecommunity.c b/bgpd/bgp_ecommunity.c index c408edb..a8ae177 100644 --- a/bgpd/bgp_ecommunity.c +++ b/bgpd/bgp_ecommunity.c @@ -1042,6 +1042,34 @@ static int ecommunity_lb_str(char *buf, size_t bufsz, const uint8_t *pnt, return len; } +bool ecommunity_has_route_target(struct ecommunity *ecom) +{ + uint32_t i; + uint8_t *pnt; + uint8_t type = 0; + uint8_t sub_type = 0; + + if (!ecom) + return false; + for (i = 0; i < ecom->size; i++) { + /* Retrieve value field */ + pnt = ecom->val + (i * ecom->unit_size); + + /* High-order octet is the type */ + type = *pnt++; + + if (type == ECOMMUNITY_ENCODE_AS || + type == ECOMMUNITY_ENCODE_IP || + type == ECOMMUNITY_ENCODE_AS4) { + /* Low-order octet of type. */ + sub_type = *pnt++; + if (sub_type == ECOMMUNITY_ROUTE_TARGET) + return true; + } + } + return false; +} + /* Convert extended community attribute to string. * Due to historical reason of industry standard implementation, there * are three types of format: @@ -1581,8 +1609,8 @@ int ecommunity_fill_pbr_action(struct ecommunity_val *ecom_eval, * in the 'Network Address of Next- Hop' * field of the associated MP_REACH_NLRI. */ - struct ecommunity_ip *ip_ecom = (struct ecommunity_ip *) - ecom_eval + 2; + struct ecommunity_ip *ip_ecom = + (struct ecommunity_ip *)&ecom_eval->val[2]; api->u.zr.redirect_ip_v4 = ip_ecom->ip; } else |