diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/vnet/bfd/bfd_main.c | 55 |
1 files changed, 46 insertions, 9 deletions
diff --git a/src/vnet/bfd/bfd_main.c b/src/vnet/bfd/bfd_main.c index 7e06962a785..8bb8de3311a 100644 --- a/src/vnet/bfd/bfd_main.c +++ b/src/vnet/bfd/bfd_main.c @@ -372,8 +372,10 @@ bfd_input_format_trace (u8 * s, va_list * args) if (t->len >= sizeof (bfd_pkt_t) && pkt->head.length >= sizeof (bfd_pkt_t)) { - s = format (s, " my discriminator: %u\n", pkt->my_disc); - s = format (s, " your discriminator: %u\n", pkt->your_disc); + s = format (s, " my discriminator: %u\n", + clib_net_to_host_u32 (pkt->my_disc)); + s = format (s, " your discriminator: %u\n", + clib_net_to_host_u32 (pkt->your_disc)); s = format (s, " desired min tx interval: %u\n", clib_net_to_host_u32 (pkt->des_min_tx)); s = format (s, " required min rx interval: %u\n", @@ -381,6 +383,33 @@ bfd_input_format_trace (u8 * s, va_list * args) s = format (s, " required min echo rx interval: %u", clib_net_to_host_u32 (pkt->req_min_echo_rx)); } + if (t->len >= sizeof (bfd_pkt_with_common_auth_t) && + pkt->head.length >= sizeof (bfd_pkt_with_common_auth_t) && + bfd_pkt_get_auth_present (pkt)) + { + const bfd_pkt_with_common_auth_t *with_auth = (void *) pkt; + const bfd_auth_common_t *common = &with_auth->common_auth; + s = format (s, "\n auth len: %u\n", common->len); + s = format (s, " auth type: %u:%s\n", common->type, + bfd_auth_type_str (common->type)); + if (t->len >= sizeof (bfd_pkt_with_sha1_auth_t) && + pkt->head.length >= sizeof (bfd_pkt_with_sha1_auth_t) && + (BFD_AUTH_TYPE_keyed_sha1 == common->type || + BFD_AUTH_TYPE_meticulous_keyed_sha1 == common->type)) + { + const bfd_pkt_with_sha1_auth_t *with_sha1 = (void *) pkt; + const bfd_auth_sha1_t *sha1 = &with_sha1->sha1_auth; + s = format (s, " seq num: %u\n", + clib_net_to_host_u32 (sha1->seq_num)); + s = format (s, " key id: %u\n", sha1->key_id); + s = format (s, " hash: %U", format_hex_bytes, sha1->hash, + sizeof (sha1->hash)); + } + } + else + { + s = format (s, "\n"); + } } return s; @@ -598,17 +627,25 @@ bfd_send_periodic (vlib_main_t * vm, vlib_node_runtime_t * rt, "frame"); return; } - /* FIXME - A system MUST NOT periodically transmit BFD Control packets if Demand - mode is active on the remote system (bfd.RemoteDemandMode is 1, - bfd.SessionState is Up, and bfd.RemoteSessionState is Up) and a Poll - Sequence is not being transmitted. - */ + if (POLL_NOT_NEEDED == bs->poll_state && bs->remote_demand && + BFD_STATE_up == bs->local_state && BFD_STATE_up == bs->remote_state) + { + /* + * A system MUST NOT periodically transmit BFD Control packets if Demand + * mode is active on the remote system (bfd.RemoteDemandMode is 1, + * bfd.SessionState is Up, and bfd.RemoteSessionState is Up) and a Poll + * Sequence is not being transmitted. + */ + BFD_DBG ("bfd.RemoteDemand is non-zero, not sending periodic control " + "frame"); + return; + } /* sometimes the wheel expires an event a bit sooner than requested, account for that here */ if (now + bm->wheel_inaccuracy >= bs->tx_timeout_clocks) { - BFD_DBG ("Send periodic control frame for bs_idx=%lu", bs->bs_idx); + BFD_DBG ("Send periodic control frame for bs_idx=%lu: %U", bs->bs_idx, + format_bfd_session, bs); vlib_buffer_t *b = bfd_create_frame_to_next_node (vm, bs); if (!b) { |