diff options
| author |   Neale Ranns <nranns@cisco.com> | 2018-01-23 08:38:50 -0800 |
|---|---|---|
| committer |   Ole Trøan <otroan@employees.org> | 2018-01-24 15:14:16 +0000 |
| commit | ce111d2ee3bacec2a09d8f5b664dcfafa0dd50c7 (patch) | |
| tree | 33cf3c6912d7a05106d010fa524958aa01fd34bb /src/vnet/mfib | |
| parent | e5453d0fa29f39a7f78a7e22815566a7f4c9e5ef (diff) | |
Improve the error reporting for a IP multicast RPF miss.
now we get:
00:00:04:288925: pg-input
...
00:00:04:289345: ethernet-input
...
00:00:04:289524: ip6-input
...
00:00:04:289553: ip6-mfib-forward-lookup
...
00:00:04:289584: ip6-mfib-forward-rpf
entry 14 itf 2 flags Forward,
00:00:04:289754: ip6-drop
UDP: 2002::1 -> ff01:2::255
tos 0x00, flow label 0x0, hop limit 64, payload length 21
UDP: 1234 -> 1234
length 21, checksum 0x90d1
00:00:04:289802: error-drop
ip4-input: Multicast RPF check failed
08:36:44,517 Count Node Reason
182 ip4-input Multicast RPF check failed
8 ip6-icmp-input neighbor advertisements sent
8 ip6-icmp-input router advertisements sent
8 arp-input ARP replies sent
Change-Id: I1b29cda4ec77a88db45bfb25c7473cd64bbf501a
Signed-off-by: Neale Ranns <nranns@cisco.com>
Diffstat (limited to 'src/vnet/mfib')
| -rw-r--r-- | src/vnet/mfib/mfib_forward.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/src/vnet/mfib/mfib_forward.c b/src/vnet/mfib/mfib_forward.c index 3d8f4f98cb0..3d0e0d47996 100644 --- a/src/vnet/mfib/mfib_forward.c +++ b/src/vnet/mfib/mfib_forward.c @@ -252,8 +252,8 @@ format_mfib_forward_rpf_trace (u8 * s, va_list * args) mfib_forward_rpf_trace_t * t = va_arg (*args, mfib_forward_rpf_trace_t *); s = format (s, "entry %d", t->entry_index); - s = format (s, " %d", t->sw_if_index); - s = format (s, " %U", format_mfib_itf_flags, t->itf_flags); + s = format (s, " itf %d", t->sw_if_index); + s = format (s, " flags %U", format_mfib_itf_flags, t->itf_flags); return s; } @@ -342,7 +342,12 @@ mfib_forward_rpf (vlib_main_t * vm, { u32 n_left_from, n_left_to_next, * from, * to_next; mfib_forward_rpf_next_t next; + vlib_node_runtime_t *error_node; + if (is_v4) + error_node = vlib_node_get_runtime (vm, ip4_input_node.index); + else + error_node = vlib_node_get_runtime (vm, ip6_input_node.index); from = vlib_frame_vector_args (frame); n_left_from = frame->n_vectors; next = MFIB_FORWARD_RPF_NEXT_DROP; @@ -361,6 +366,7 @@ mfib_forward_rpf (vlib_main_t * vm, u32 pi0, next0; mfib_itf_flags_t iflags0; mfib_entry_flags_t eflags0; + u8 error0; pi0 = from[0]; to_next[0] = pi0; @@ -369,6 +375,7 @@ mfib_forward_rpf (vlib_main_t * vm, n_left_to_next -= 1; n_left_from -= 1; + error0 = IP4_ERROR_NONE; b0 = vlib_get_buffer (vm, pi0); mfei0 = vnet_buffer (b0)->ip.adj_index[VLIB_TX]; mfe0 = mfib_entry_get(mfei0); @@ -444,8 +451,11 @@ mfib_forward_rpf (vlib_main_t * vm, else { next0 = MFIB_FORWARD_RPF_NEXT_DROP; + error0 = IP4_ERROR_RPF_FAILURE; } + b0->error = error0 ? error_node->errors[error0] : 0; + if (b0->flags & VLIB_BUFFER_IS_TRACED) { mfib_forward_rpf_trace_t *t0; |