diff options
Diffstat (limited to 'bgpd/bgp_ecommunity.c')
| -rw-r--r-- | bgpd/bgp_ecommunity.c | 82 |
1 files changed, 71 insertions, 11 deletions
diff --git a/bgpd/bgp_ecommunity.c b/bgpd/bgp_ecommunity.c index 6cded922c2..ac3bc09e9f 100644 --- a/bgpd/bgp_ecommunity.c +++ b/bgpd/bgp_ecommunity.c @@ -1025,10 +1025,6 @@ static int ecommunity_lb_str(char *buf, size_t bufsz, const uint8_t *pnt, uint32_t bw_tmp, bw; char bps_buf[20] = {0}; -#define ONE_GBPS_BYTES (1000 * 1000 * 1000 / 8) -#define ONE_MBPS_BYTES (1000 * 1000 / 8) -#define ONE_KBPS_BYTES (1000 / 8) - as = (*pnt++ << 8); as |= (*pnt++); (void)ptr_get_be32(pnt, &bw_tmp); @@ -1052,6 +1048,33 @@ static int ecommunity_lb_str(char *buf, size_t bufsz, const uint8_t *pnt, return len; } +static int ipv6_ecommunity_lb_str(char *buf, size_t bufsz, const uint8_t *pnt) +{ + int len = 0; + as_t as; + uint64_t bw; + char bps_buf[20] = { 0 }; + + pnt += 2; /* Reserved */ + pnt = ptr_get_be64(pnt, &bw); + (void)ptr_get_be32(pnt, &as); + + if (bw >= ONE_GBPS_BYTES) + snprintf(bps_buf, sizeof(bps_buf), "%.3f Gbps", + (float)(bw / ONE_GBPS_BYTES)); + else if (bw >= ONE_MBPS_BYTES) + snprintf(bps_buf, sizeof(bps_buf), "%.3f Mbps", + (float)(bw / ONE_MBPS_BYTES)); + else if (bw >= ONE_KBPS_BYTES) + snprintf(bps_buf, sizeof(bps_buf), "%.3f Kbps", + (float)(bw / ONE_KBPS_BYTES)); + else + snprintf(bps_buf, sizeof(bps_buf), "%" PRIu64 " bps", bw * 8); + + len = snprintf(buf, bufsz, "LB:%u:%" PRIu64 " (%s)", as, bw, bps_buf); + return len; +} + bool ecommunity_has_route_target(struct ecommunity *ecom) { uint32_t i; @@ -1152,6 +1175,12 @@ char *ecommunity_ecom2str(struct ecommunity *ecom, int format, int filter) ecommunity_lb_str( encbuf, sizeof(encbuf), pnt, ecom->disable_ieee_floating); + } else if (sub_type == + ECOMMUNITY_EXTENDED_LINK_BANDWIDTH && + type == ECOMMUNITY_ENCODE_AS4) { + ipv6_ecommunity_lb_str(encbuf, + sizeof(encbuf), + pnt); } else if (sub_type == ECOMMUNITY_NODE_TARGET && type == ECOMMUNITY_ENCODE_IP) { ecommunity_node_target_str( @@ -1369,6 +1398,13 @@ char *ecommunity_ecom2str(struct ecommunity *ecom, int format, int filter) ecom->disable_ieee_floating); else unk_ecom = 1; + } else if (type == ECOMMUNITY_ENCODE_AS_NON_TRANS) { + sub_type = *pnt++; + if (sub_type == ECOMMUNITY_EXTENDED_LINK_BANDWIDTH) + ipv6_ecommunity_lb_str(encbuf, sizeof(encbuf), + pnt); + else + unk_ecom = 1; } else if (type == ECOMMUNITY_ENCODE_IP_NON_TRANS) { sub_type = *pnt++; if (sub_type == ECOMMUNITY_NODE_TARGET) @@ -1818,7 +1854,6 @@ const uint8_t *ecommunity_linkbw_present(struct ecommunity *ecom, uint64_t *bw) for (i = 0; i < ecom->size; i++) { const uint8_t *pnt; uint8_t type, sub_type; - uint32_t bwval; eval = pnt = (ecom->val + (i * ecom->unit_size)); type = *pnt++; @@ -1827,6 +1862,8 @@ const uint8_t *ecommunity_linkbw_present(struct ecommunity *ecom, uint64_t *bw) if ((type == ECOMMUNITY_ENCODE_AS || type == ECOMMUNITY_ENCODE_AS_NON_TRANS) && sub_type == ECOMMUNITY_LINK_BANDWIDTH) { + uint32_t bwval; + pnt += 2; /* bandwidth is encoded as AS:val */ pnt = ptr_get_be32(pnt, &bwval); (void)pnt; /* consume value */ @@ -1836,6 +1873,18 @@ const uint8_t *ecommunity_linkbw_present(struct ecommunity *ecom, uint64_t *bw) : ieee_float_uint32_to_uint32( bwval)); return eval; + } else if (type == ECOMMUNITY_ENCODE_AS4 && + sub_type == ECOMMUNITY_EXTENDED_LINK_BANDWIDTH) { + uint64_t bwval; + + pnt += 2; /* Reserved */ + pnt = ptr_get_be64(pnt, &bwval); + (void)pnt; + + if (bw) + *bw = bwval; + + return eval; } } @@ -1845,10 +1894,10 @@ const uint8_t *ecommunity_linkbw_present(struct ecommunity *ecom, uint64_t *bw) struct ecommunity *ecommunity_replace_linkbw(as_t as, struct ecommunity *ecom, uint64_t cum_bw, - bool disable_ieee_floating) + bool disable_ieee_floating, + bool extended) { struct ecommunity *new; - struct ecommunity_val lb_eval; const uint8_t *eval; uint8_t type; uint64_t cur_bw; @@ -1875,10 +1924,21 @@ struct ecommunity *ecommunity_replace_linkbw(as_t as, struct ecommunity *ecom, */ if (cum_bw > 0xFFFFFFFF) cum_bw = 0xFFFFFFFF; - encode_lb_extcomm(as > BGP_AS_MAX ? BGP_AS_TRANS : as, cum_bw, false, - &lb_eval, disable_ieee_floating); - new = ecommunity_dup(ecom); - ecommunity_add_val(new, &lb_eval, true, true); + + if (extended) { + struct ecommunity_val_ipv6 lb_eval; + + encode_lb_extended_extcomm(as, cum_bw, false, &lb_eval); + new = ecommunity_dup(ecom); + ecommunity_add_val_ipv6(new, &lb_eval, true, true); + } else { + struct ecommunity_val lb_eval; + + encode_lb_extcomm(as > BGP_AS_MAX ? BGP_AS_TRANS : as, cum_bw, + false, &lb_eval, disable_ieee_floating); + new = ecommunity_dup(ecom); + ecommunity_add_val(new, &lb_eval, true, true); + } return new; } |