diff options
Diffstat (limited to 'src/vnet/ip/reass/ip6_full_reass.c')
| -rw-r--r-- | src/vnet/ip/reass/ip6_full_reass.c | 49 |
1 files changed, 43 insertions, 6 deletions
diff --git a/src/vnet/ip/reass/ip6_full_reass.c b/src/vnet/ip/reass/ip6_full_reass.c index bba11e52959..aaaf56a5d59 100644 --- a/src/vnet/ip/reass/ip6_full_reass.c +++ b/src/vnet/ip/reass/ip6_full_reass.c @@ -215,6 +215,9 @@ typedef struct u32 total_data_len; u32 thread_id; u32 thread_id_to; + bool is_after_handoff; + ip6_header_t ip6_header; + ip6_frag_hdr_t ip6_frag_header; } ip6_full_reass_trace_t; static void @@ -251,7 +254,19 @@ format_ip6_full_reass_trace (u8 * s, va_list * args) u32 indent = 0; if (~0 != t->reass_id) { - s = format (s, "reass id: %u, op id: %u ", t->reass_id, t->op_id); + if (t->is_after_handoff) + { + s = + format (s, "%U\n", format_ip6_header, &t->ip6_header, + sizeof (t->ip6_header)); + s = + format (s, " %U\n", format_ip6_frag_hdr, &t->ip6_frag_header, + sizeof (t->ip6_frag_header)); + indent = 2; + } + s = + format (s, "%Ureass id: %u, op id: %u, ", format_white_space, indent, + t->reass_id, t->op_id); indent = format_get_indent (s); s = format (s, "first bi: %u, data len: %u, ip/fragment[%u, %u]", t->trace_range.first_bi, t->total_data_len, @@ -297,12 +312,33 @@ static void ip6_full_reass_add_trace (vlib_main_t * vm, vlib_node_runtime_t * node, ip6_full_reass_main_t * rm, ip6_full_reass_t * reass, u32 bi, + ip6_frag_hdr_t * ip6_frag_header, ip6_full_reass_trace_operation_e action, u32 thread_id_to) { vlib_buffer_t *b = vlib_get_buffer (vm, bi); vnet_buffer_opaque_t *vnb = vnet_buffer (b); + bool is_after_handoff = false; + if (vlib_buffer_get_trace_thread (b) != vm->thread_index) + { + is_after_handoff = true; + } ip6_full_reass_trace_t *t = vlib_add_trace (vm, node, b, sizeof (t[0])); + t->is_after_handoff = is_after_handoff; + if (t->is_after_handoff) + { + clib_memcpy (&t->ip6_header, vlib_buffer_get_current (b), + clib_min (sizeof (t->ip6_header), b->current_length)); + if (ip6_frag_header) + { + clib_memcpy (&t->ip6_frag_header, ip6_frag_header, + sizeof (t->ip6_frag_header)); + } + else + { + clib_memset (&t->ip6_frag_header, 0, sizeof (t->ip6_frag_header)); + } + } if (reass) { t->reass_id = reass->id; @@ -434,7 +470,7 @@ ip6_full_reass_on_timeout (vlib_main_t * vm, vlib_node_runtime_t * node, if (PREDICT_FALSE (b->flags & VLIB_BUFFER_IS_TRACED)) { ip6_full_reass_add_trace (vm, node, rm, reass, reass->first_bi, - ICMP_ERROR_RT_EXCEEDED, ~0); + NULL, ICMP_ERROR_RT_EXCEEDED, ~0); } // fragment with offset zero received - send icmp message back if (b->flags & VLIB_BUFFER_NEXT_PRESENT) @@ -721,7 +757,7 @@ ip6_full_reass_finalize (vlib_main_t * vm, vlib_node_runtime_t * node, first_b->flags &= ~VLIB_BUFFER_EXT_HDR_VALID; if (PREDICT_FALSE (first_b->flags & VLIB_BUFFER_IS_TRACED)) { - ip6_full_reass_add_trace (vm, node, rm, reass, reass->first_bi, + ip6_full_reass_add_trace (vm, node, rm, reass, reass->first_bi, NULL, FINALIZE, ~0); #if 0 // following code does a hexdump of packet fragments to stdout ... @@ -889,7 +925,7 @@ ip6_full_reass_update (vlib_main_t * vm, vlib_node_runtime_t * node, // overlapping fragment - not allowed by RFC 8200 if (PREDICT_FALSE (fb->flags & VLIB_BUFFER_IS_TRACED)) { - ip6_full_reass_add_trace (vm, node, rm, reass, *bi0, + ip6_full_reass_add_trace (vm, node, rm, reass, *bi0, frag_hdr, RANGE_OVERLAP, ~0); } ip6_full_reass_drop_all (vm, node, rm, reass); @@ -906,7 +942,8 @@ check_if_done_maybe: { if (PREDICT_FALSE (fb->flags & VLIB_BUFFER_IS_TRACED)) { - ip6_full_reass_add_trace (vm, node, rm, reass, *bi0, RANGE_NEW, ~0); + ip6_full_reass_add_trace (vm, node, rm, reass, *bi0, frag_hdr, + RANGE_NEW, ~0); } } if (~0 != reass->last_packet_octet && @@ -1175,7 +1212,7 @@ ip6_full_reassembly_inline (vlib_main_t * vm, if (PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED)) { ip6_full_reass_add_trace (vm, node, rm, NULL, bi0, - HANDOFF, + frag_hdr, HANDOFF, vnet_buffer (b0)->ip. reass.owner_thread_index); } |