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-rw-r--r--src/plugins/ioam/ip6/ioam_cache.h6
-rw-r--r--src/vnet/ip/ip6_packet.h2
-rwxr-xr-xsrc/vnet/sr/sr.h2
-rwxr-xr-xsrc/vnet/sr/sr_localsid.c24
-rwxr-xr-xsrc/vnet/sr/sr_policy_rewrite.c128
5 files changed, 87 insertions, 75 deletions
diff --git a/src/plugins/ioam/ip6/ioam_cache.h b/src/plugins/ioam/ip6/ioam_cache.h
index 75ec784bf52..3f69fa7255d 100644
--- a/src/plugins/ioam/ip6/ioam_cache.h
+++ b/src/plugins/ioam/ip6/ioam_cache.h
@@ -436,9 +436,9 @@ ioam_cache_sr_rewrite_template_create (void)
/* This nodes address and the original dest will be
* filled when the packet is processed */
- vec_add2 (segments, this_seg, 2);
- memset (this_seg, 0xfe, 2 * sizeof (ip6_address_t));
- cm->sr_rewrite_template = ip6_compute_rewrite_string_insert (segments);
+ vec_add2 (segments, this_seg, 1);
+ memset (this_seg, 0xfe, sizeof (ip6_address_t));
+ cm->sr_rewrite_template = ip6_sr_compute_rewrite_string_insert (segments);
vec_free (segments);
}
diff --git a/src/vnet/ip/ip6_packet.h b/src/vnet/ip/ip6_packet.h
index 9bf19edb5db..bb7d703926b 100644
--- a/src/vnet/ip/ip6_packet.h
+++ b/src/vnet/ip/ip6_packet.h
@@ -484,7 +484,7 @@ else \
{ \
(p) = ip6_ext_next_header((p)); \
} \
- if ( ip6_ext_hdr((p)->next_hdr) == (t)) \
+ if ( ((p)->next_hdr) == (t)) \
{ \
(m) = (void *)(ip6_ext_next_header((p))); \
} \
diff --git a/src/vnet/sr/sr.h b/src/vnet/sr/sr.h
index 1545a84f38b..5efeb4dd06a 100755
--- a/src/vnet/sr/sr.h
+++ b/src/vnet/sr/sr.h
@@ -297,7 +297,7 @@ sr_steering_policy (int is_del, ip6_address_t * bsid, u32 sr_policy_index,
* @return precomputed rewrite string for SRH insertion
*/
static inline u8 *
-ip6_compute_rewrite_string_insert (ip6_address_t * sl)
+ip6_sr_compute_rewrite_string_insert (ip6_address_t * sl)
{
ip6_sr_header_t *srh;
ip6_address_t *addrp, *this_address;
diff --git a/src/vnet/sr/sr_localsid.c b/src/vnet/sr/sr_localsid.c
index 407491ce19f..610bb7ffbea 100755
--- a/src/vnet/sr/sr_localsid.c
+++ b/src/vnet/sr/sr_localsid.c
@@ -827,6 +827,9 @@ end_psp_srh_processing (vlib_node_runtime_t * node,
ip6_sr_localsid_t * ls0, u32 * next0)
{
u32 new_l0, sr_len;
+ u64 *copy_dst0, *copy_src0;
+ u32 copy_len_u64s0 = 0;
+ int i;
if (PREDICT_TRUE (sr0->type == ROUTING_HEADER_TYPE_SR))
{
@@ -845,8 +848,25 @@ end_psp_srh_processing (vlib_node_runtime_t * node,
vlib_buffer_advance (b0, sr_len);
new_l0 = clib_net_to_host_u16 (ip0->payload_length) - sr_len;
ip0->payload_length = clib_host_to_net_u16 (new_l0);
- clib_memcpy ((void *) ip0 + sr_len, ip0,
- (void *) sr0 - (void *) ip0);
+ copy_src0 = (u64 *) ip0;
+ copy_dst0 = copy_src0 + (sr0->length + 1);
+ /* number of 8 octet units to copy
+ * By default in absence of extension headers it is equal to length of ip6 header
+ * With extension headers it number of 8 octet units of ext headers preceding
+ * SR header
+ */
+ copy_len_u64s0 =
+ (((u8 *) sr0 - (u8 *) ip0) - sizeof (ip6_header_t)) >> 3;
+ copy_dst0[4 + copy_len_u64s0] = copy_src0[4 + copy_len_u64s0];
+ copy_dst0[3 + copy_len_u64s0] = copy_src0[3 + copy_len_u64s0];
+ copy_dst0[2 + copy_len_u64s0] = copy_src0[2 + copy_len_u64s0];
+ copy_dst0[1 + copy_len_u64s0] = copy_src0[1 + copy_len_u64s0];
+ copy_dst0[0 + copy_len_u64s0] = copy_src0[0 + copy_len_u64s0];
+
+ for (i = copy_len_u64s0 - 1; i >= 0; i--)
+ {
+ copy_dst0[i] = copy_src0[i];
+ }
if (ls0->behavior == SR_BEHAVIOR_X)
{
diff --git a/src/vnet/sr/sr_policy_rewrite.c b/src/vnet/sr/sr_policy_rewrite.c
index 1f8bdca5143..dfdd7950597 100755
--- a/src/vnet/sr/sr_policy_rewrite.c
+++ b/src/vnet/sr/sr_policy_rewrite.c
@@ -1147,14 +1147,14 @@ sr_policy_rewrite_encaps (vlib_main_t * vm, vlib_node_runtime_t * node,
pool_elt_at_index (sm->sid_lists,
vnet_buffer (b3)->ip.adj_index[VLIB_TX]);
- ASSERT (VLIB_BUFFER_PRE_DATA_SIZE >=
- (vec_len (sl0->rewrite) + b0->current_data));
- ASSERT (VLIB_BUFFER_PRE_DATA_SIZE >=
- (vec_len (sl1->rewrite) + b1->current_data));
- ASSERT (VLIB_BUFFER_PRE_DATA_SIZE >=
- (vec_len (sl2->rewrite) + b2->current_data));
- ASSERT (VLIB_BUFFER_PRE_DATA_SIZE >=
- (vec_len (sl3->rewrite) + b3->current_data));
+ ASSERT (b0->current_data + VLIB_BUFFER_PRE_DATA_SIZE >=
+ vec_len (sl0->rewrite));
+ ASSERT (b1->current_data + VLIB_BUFFER_PRE_DATA_SIZE >=
+ vec_len (sl1->rewrite));
+ ASSERT (b2->current_data + VLIB_BUFFER_PRE_DATA_SIZE >=
+ vec_len (sl2->rewrite));
+ ASSERT (b3->current_data + VLIB_BUFFER_PRE_DATA_SIZE >=
+ vec_len (sl3->rewrite));
ip0_encap = vlib_buffer_get_current (b0);
ip1_encap = vlib_buffer_get_current (b1);
@@ -1254,9 +1254,8 @@ sr_policy_rewrite_encaps (vlib_main_t * vm, vlib_node_runtime_t * node,
sl0 =
pool_elt_at_index (sm->sid_lists,
vnet_buffer (b0)->ip.adj_index[VLIB_TX]);
-
- ASSERT (VLIB_BUFFER_PRE_DATA_SIZE >=
- (vec_len (sl0->rewrite) + b0->current_data));
+ ASSERT (b0->current_data + VLIB_BUFFER_PRE_DATA_SIZE >=
+ vec_len (sl0->rewrite));
ip0_encap = vlib_buffer_get_current (b0);
@@ -1426,15 +1425,14 @@ sr_policy_rewrite_encaps_v4 (vlib_main_t * vm, vlib_node_runtime_t * node,
sl3 =
pool_elt_at_index (sm->sid_lists,
vnet_buffer (b3)->ip.adj_index[VLIB_TX]);
-
- ASSERT (VLIB_BUFFER_PRE_DATA_SIZE >=
- (vec_len (sl0->rewrite) + b0->current_data));
- ASSERT (VLIB_BUFFER_PRE_DATA_SIZE >=
- (vec_len (sl1->rewrite) + b1->current_data));
- ASSERT (VLIB_BUFFER_PRE_DATA_SIZE >=
- (vec_len (sl2->rewrite) + b2->current_data));
- ASSERT (VLIB_BUFFER_PRE_DATA_SIZE >=
- (vec_len (sl3->rewrite) + b3->current_data));
+ ASSERT (b0->current_data + VLIB_BUFFER_PRE_DATA_SIZE >=
+ vec_len (sl0->rewrite));
+ ASSERT (b1->current_data + VLIB_BUFFER_PRE_DATA_SIZE >=
+ vec_len (sl1->rewrite));
+ ASSERT (b2->current_data + VLIB_BUFFER_PRE_DATA_SIZE >=
+ vec_len (sl2->rewrite));
+ ASSERT (b3->current_data + VLIB_BUFFER_PRE_DATA_SIZE >=
+ vec_len (sl3->rewrite));
ip0_encap = vlib_buffer_get_current (b0);
ip1_encap = vlib_buffer_get_current (b1);
@@ -1535,9 +1533,8 @@ sr_policy_rewrite_encaps_v4 (vlib_main_t * vm, vlib_node_runtime_t * node,
sl0 =
pool_elt_at_index (sm->sid_lists,
vnet_buffer (b0)->ip.adj_index[VLIB_TX]);
-
- ASSERT (VLIB_BUFFER_PRE_DATA_SIZE >=
- (vec_len (sl0->rewrite) + b0->current_data));
+ ASSERT (b0->current_data + VLIB_BUFFER_PRE_DATA_SIZE >=
+ vec_len (sl0->rewrite));
ip0_encap = vlib_buffer_get_current (b0);
@@ -1785,14 +1782,14 @@ sr_policy_rewrite_encaps_l2 (vlib_main_t * vm, vlib_node_runtime_t * node,
pool_elt_at_index (sm->sid_lists,
vnet_buffer (b3)->ip.adj_index[VLIB_TX]);
- ASSERT (VLIB_BUFFER_PRE_DATA_SIZE >=
- (vec_len (sl0->rewrite) + b0->current_data));
- ASSERT (VLIB_BUFFER_PRE_DATA_SIZE >=
- (vec_len (sl1->rewrite) + b1->current_data));
- ASSERT (VLIB_BUFFER_PRE_DATA_SIZE >=
- (vec_len (sl2->rewrite) + b2->current_data));
- ASSERT (VLIB_BUFFER_PRE_DATA_SIZE >=
- (vec_len (sl3->rewrite) + b3->current_data));
+ ASSERT (b0->current_data + VLIB_BUFFER_PRE_DATA_SIZE >=
+ vec_len (sl0->rewrite));
+ ASSERT (b1->current_data + VLIB_BUFFER_PRE_DATA_SIZE >=
+ vec_len (sl1->rewrite));
+ ASSERT (b2->current_data + VLIB_BUFFER_PRE_DATA_SIZE >=
+ vec_len (sl2->rewrite));
+ ASSERT (b3->current_data + VLIB_BUFFER_PRE_DATA_SIZE >=
+ vec_len (sl3->rewrite));
en0 = vlib_buffer_get_current (b0);
en1 = vlib_buffer_get_current (b1);
@@ -1926,9 +1923,8 @@ sr_policy_rewrite_encaps_l2 (vlib_main_t * vm, vlib_node_runtime_t * node,
sl0 =
pool_elt_at_index (sm->sid_lists,
vnet_buffer (b0)->ip.adj_index[VLIB_TX]);
-
- ASSERT (VLIB_BUFFER_PRE_DATA_SIZE >=
- (vec_len (sl0->rewrite) + b0->current_data));
+ ASSERT (b0->current_data + VLIB_BUFFER_PRE_DATA_SIZE >=
+ vec_len (sl0->rewrite));
en0 = vlib_buffer_get_current (b0);
@@ -2075,15 +2071,14 @@ sr_policy_rewrite_insert (vlib_main_t * vm, vlib_node_runtime_t * node,
sl3 =
pool_elt_at_index (sm->sid_lists,
vnet_buffer (b3)->ip.adj_index[VLIB_TX]);
-
- ASSERT (VLIB_BUFFER_PRE_DATA_SIZE >=
- (vec_len (sl0->rewrite) + b0->current_data));
- ASSERT (VLIB_BUFFER_PRE_DATA_SIZE >=
- (vec_len (sl1->rewrite) + b1->current_data));
- ASSERT (VLIB_BUFFER_PRE_DATA_SIZE >=
- (vec_len (sl2->rewrite) + b2->current_data));
- ASSERT (VLIB_BUFFER_PRE_DATA_SIZE >=
- (vec_len (sl3->rewrite) + b3->current_data));
+ ASSERT (b0->current_data + VLIB_BUFFER_PRE_DATA_SIZE >=
+ vec_len (sl0->rewrite));
+ ASSERT (b1->current_data + VLIB_BUFFER_PRE_DATA_SIZE >=
+ vec_len (sl1->rewrite));
+ ASSERT (b2->current_data + VLIB_BUFFER_PRE_DATA_SIZE >=
+ vec_len (sl2->rewrite));
+ ASSERT (b3->current_data + VLIB_BUFFER_PRE_DATA_SIZE >=
+ vec_len (sl3->rewrite));
ip0 = vlib_buffer_get_current (b0);
ip1 = vlib_buffer_get_current (b1);
@@ -2321,8 +2316,8 @@ sr_policy_rewrite_insert (vlib_main_t * vm, vlib_node_runtime_t * node,
sl0 =
pool_elt_at_index (sm->sid_lists,
vnet_buffer (b0)->ip.adj_index[VLIB_TX]);
- ASSERT (VLIB_BUFFER_PRE_DATA_SIZE >=
- (vec_len (sl0->rewrite) + b0->current_data));
+ ASSERT (b0->current_data + VLIB_BUFFER_PRE_DATA_SIZE >=
+ vec_len (sl0->rewrite));
ip0 = vlib_buffer_get_current (b0);
@@ -2498,15 +2493,14 @@ sr_policy_rewrite_b_insert (vlib_main_t * vm, vlib_node_runtime_t * node,
sl3 =
pool_elt_at_index (sm->sid_lists,
vnet_buffer (b3)->ip.adj_index[VLIB_TX]);
-
- ASSERT (VLIB_BUFFER_PRE_DATA_SIZE >=
- (vec_len (sl0->rewrite_bsid) + b0->current_data));
- ASSERT (VLIB_BUFFER_PRE_DATA_SIZE >=
- (vec_len (sl1->rewrite_bsid) + b1->current_data));
- ASSERT (VLIB_BUFFER_PRE_DATA_SIZE >=
- (vec_len (sl2->rewrite_bsid) + b2->current_data));
- ASSERT (VLIB_BUFFER_PRE_DATA_SIZE >=
- (vec_len (sl3->rewrite_bsid) + b3->current_data));
+ ASSERT (b0->current_data + VLIB_BUFFER_PRE_DATA_SIZE >=
+ vec_len (sl0->rewrite_bsid));
+ ASSERT (b1->current_data + VLIB_BUFFER_PRE_DATA_SIZE >=
+ vec_len (sl1->rewrite_bsid));
+ ASSERT (b2->current_data + VLIB_BUFFER_PRE_DATA_SIZE >=
+ vec_len (sl2->rewrite_bsid));
+ ASSERT (b3->current_data + VLIB_BUFFER_PRE_DATA_SIZE >=
+ vec_len (sl3->rewrite_bsid));
ip0 = vlib_buffer_get_current (b0);
ip1 = vlib_buffer_get_current (b1);
@@ -2735,8 +2729,8 @@ sr_policy_rewrite_b_insert (vlib_main_t * vm, vlib_node_runtime_t * node,
sl0 =
pool_elt_at_index (sm->sid_lists,
vnet_buffer (b0)->ip.adj_index[VLIB_TX]);
- ASSERT (VLIB_BUFFER_PRE_DATA_SIZE >=
- (vec_len (sl0->rewrite_bsid) + b0->current_data));
+ ASSERT (b0->current_data + VLIB_BUFFER_PRE_DATA_SIZE >=
+ vec_len (sl0->rewrite_bsid));
ip0 = vlib_buffer_get_current (b0);
@@ -2943,15 +2937,14 @@ sr_policy_rewrite_b_encaps (vlib_main_t * vm, vlib_node_runtime_t * node,
sl3 =
pool_elt_at_index (sm->sid_lists,
vnet_buffer (b3)->ip.adj_index[VLIB_TX]);
-
- ASSERT (VLIB_BUFFER_PRE_DATA_SIZE >=
- (vec_len (sl0->rewrite) + b0->current_data));
- ASSERT (VLIB_BUFFER_PRE_DATA_SIZE >=
- (vec_len (sl1->rewrite) + b1->current_data));
- ASSERT (VLIB_BUFFER_PRE_DATA_SIZE >=
- (vec_len (sl2->rewrite) + b2->current_data));
- ASSERT (VLIB_BUFFER_PRE_DATA_SIZE >=
- (vec_len (sl3->rewrite) + b3->current_data));
+ ASSERT (b0->current_data + VLIB_BUFFER_PRE_DATA_SIZE >=
+ vec_len (sl0->rewrite));
+ ASSERT (b1->current_data + VLIB_BUFFER_PRE_DATA_SIZE >=
+ vec_len (sl1->rewrite));
+ ASSERT (b2->current_data + VLIB_BUFFER_PRE_DATA_SIZE >=
+ vec_len (sl2->rewrite));
+ ASSERT (b3->current_data + VLIB_BUFFER_PRE_DATA_SIZE >=
+ vec_len (sl3->rewrite));
ip0_encap = vlib_buffer_get_current (b0);
ip1_encap = vlib_buffer_get_current (b1);
@@ -3067,9 +3060,8 @@ sr_policy_rewrite_b_encaps (vlib_main_t * vm, vlib_node_runtime_t * node,
sl0 =
pool_elt_at_index (sm->sid_lists,
vnet_buffer (b0)->ip.adj_index[VLIB_TX]);
-
- ASSERT (VLIB_BUFFER_PRE_DATA_SIZE >=
- (vec_len (sl0->rewrite) + b0->current_data));
+ ASSERT (b0->current_data + VLIB_BUFFER_PRE_DATA_SIZE >=
+ vec_len (sl0->rewrite));
ip0_encap = vlib_buffer_get_current (b0);
ip6_ext_header_find_t (ip0_encap, prev0, sr0,
ass="mi">28)) { return 0; } port = vnet_buffer (b0)->ip.reass.l4_dst_port; /* Verify that port is not among the well-known ports */ if ((d->psid_offset > 0) && (clib_net_to_host_u16 (port) < (0x1 << (16 - d->psid_offset)))) { *error = MAP_ERROR_ENCAP_SEC_CHECK; } else { return port; } } return (0); } /* * ip4_map_vtcfl */ static_always_inline u32 ip4_map_vtcfl (ip4_header_t * ip4, vlib_buffer_t * p) { map_main_t *mm = &map_main; u8 tc = mm->tc_copy ? ip4->tos : mm->tc; u32 vtcfl = 0x6 << 28; vtcfl |= tc << 20; vtcfl |= vnet_buffer (p)->ip.flow_hash & 0x000fffff; return (clib_host_to_net_u32 (vtcfl)); } /* * ip4_map_ttl */ static inline void ip4_map_decrement_ttl (ip4_header_t * ip, u8 * error) { i32 ttl = ip->ttl; /* Input node should have reject packets with ttl 0. */ ASSERT (ip->ttl > 0); u32 checksum = ip->checksum + clib_host_to_net_u16 (0x0100); checksum += checksum >= 0xffff; ip->checksum = checksum; ttl -= 1; ip->ttl = ttl; *error = ttl <= 0 ? IP4_ERROR_TIME_EXPIRED : *error; /* Verify checksum. */ ASSERT (ip4_header_checksum_is_valid (ip)); } static u32 ip4_map_fragment (vlib_main_t * vm, u32 bi, u16 mtu, bool df, u32 ** buffers, u8 * error) { map_main_t *mm = &map_main; vlib_buffer_t *b = vlib_get_buffer (vm, bi); if (mm->frag_inner) { /* IPv4 fragmented packets inside of IPv6 */ ip4_frag_do_fragment (vm, bi, mtu, sizeof (ip6_header_t), buffers); /* Fixup */ u32 *i; vec_foreach (i, *buffers) { vlib_buffer_t *p = vlib_get_buffer (vm, *i); ip6_header_t *ip6 = vlib_buffer_get_current (p); ip6->payload_length = clib_host_to_net_u16 (p->current_length - sizeof (ip6_header_t)); } } else { if (df && !mm->frag_ignore_df) { icmp4_error_set_vnet_buffer (b, ICMP4_destination_unreachable, ICMP4_destination_unreachable_fragmentation_needed_and_dont_fragment_set, mtu); vlib_buffer_advance (b, sizeof (ip6_header_t)); *error = MAP_ERROR_DF_SET; return (IP4_MAP_NEXT_ICMP_ERROR); } /* Create IPv6 fragments here */ ip6_frag_do_fragment (vm, bi, mtu, 0, buffers); } return (IP4_MAP_NEXT_IP6_LOOKUP); } /* * ip4_map */ static uword ip4_map (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame) { u32 n_left_from, *from, next_index, *to_next, n_left_to_next; vlib_node_runtime_t *error_node = vlib_node_get_runtime (vm, ip4_map_node.index); from = vlib_frame_vector_args (frame); n_left_from = frame->n_vectors; next_index = node->cached_next_index; map_main_t *mm = &map_main; vlib_combined_counter_main_t *cm = mm->domain_counters; u32 thread_index = vm->thread_index; u32 *buffer0 = 0; while (n_left_from > 0) { vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next); while (n_left_from > 0 && n_left_to_next > 0) { u32 pi0; vlib_buffer_t *p0; map_domain_t *d0; u8 error0 = MAP_ERROR_NONE; ip4_header_t *ip40; u16 port0 = 0; ip6_header_t *ip6h0; u32 next0 = IP4_MAP_NEXT_IP6_LOOKUP; u32 map_domain_index0 = ~0; bool free_original_buffer0 = false; u32 *frag_from0, frag_left0; pi0 = to_next[0] = from[0]; from += 1; n_left_from -= 1; p0 = vlib_get_buffer (vm, pi0); ip40 = vlib_buffer_get_current (p0); d0 = ip4_map_get_domain (&ip40->dst_address, &map_domain_index0, &error0); if (!d0) { /* Guess it wasn't for us */ vnet_feature_next (&next0, p0); goto exit; } /* * Shared IPv4 address */ port0 = ip4_map_port_and_security_check (d0, p0, &error0); /* * Clamp TCP MSS value. */ if (ip40->protocol == IP_PROTOCOL_TCP) { tcp_header_t *tcp = ip4_next_header (ip40); if (mm->tcp_mss > 0 && tcp_syn (tcp)) { ip_csum_t csum = tcp->checksum; map_mss_clamping (tcp, &csum, mm->tcp_mss); tcp->checksum = ip_csum_fold (csum); } } /* Decrement IPv4 TTL */ ip4_map_decrement_ttl (ip40, &error0); bool df0 = ip40->flags_and_fragment_offset & clib_host_to_net_u16 (IP4_HEADER_FLAG_DONT_FRAGMENT); /* MAP calc */ u32 da40 = clib_net_to_host_u32 (ip40->dst_address.as_u32); u16 dp40 = clib_net_to_host_u16 (port0); u64 dal60 = map_get_pfx (d0, da40, dp40); u64 dar60 = map_get_sfx (d0, da40, dp40); if (dal60 == 0 && dar60 == 0 && error0 == MAP_ERROR_NONE) error0 = MAP_ERROR_NO_BINDING; /* construct ipv6 header */ vlib_buffer_advance (p0, -(sizeof (ip6_header_t))); ip6h0 = vlib_buffer_get_current (p0); vnet_buffer (p0)->sw_if_index[VLIB_TX] = (u32) ~ 0; ip6h0->ip_version_traffic_class_and_flow_label = ip4_map_vtcfl (ip40, p0); ip6h0->payload_length = ip40->length; ip6h0->protocol = IP_PROTOCOL_IP_IN_IP; ip6h0->hop_limit = 0x40; ip6h0->src_address = d0->ip6_src; ip6h0->dst_address.as_u64[0] = clib_host_to_net_u64 (dal60); ip6h0->dst_address.as_u64[1] = clib_host_to_net_u64 (dar60); /* * Determine next node. Can be one of: * ip6-lookup, ip6-rewrite, error-drop */ if (PREDICT_TRUE (error0 == MAP_ERROR_NONE)) { if (PREDICT_FALSE (d0->mtu && (clib_net_to_host_u16 (ip6h0->payload_length) + sizeof (*ip6h0) > d0->mtu))) { next0 = ip4_map_fragment (vm, pi0, d0->mtu, df0, &buffer0, &error0); if (error0 == MAP_ERROR_NONE) { free_original_buffer0 = true; } } else { next0 = ip4_map_ip6_lookup_bypass (p0, ip40) ? IP4_MAP_NEXT_IP6_REWRITE : next0; vlib_increment_combined_counter (cm + MAP_DOMAIN_COUNTER_TX, thread_index, map_domain_index0, 1, clib_net_to_host_u16 (ip6h0->payload_length) + 40); } } else { next0 = IP4_MAP_NEXT_DROP; } if (PREDICT_FALSE (p0->flags & VLIB_BUFFER_IS_TRACED)) { map_add_trace (vm, node, p0, map_domain_index0, port0); } p0->error = error_node->errors[error0]; exit: /* Send fragments that were added in the frame */ if (free_original_buffer0) { vlib_buffer_free_one (vm, pi0); /* Free original packet */ } else { vec_add1 (buffer0, pi0); } frag_from0 = buffer0; frag_left0 = vec_len (buffer0); while (frag_left0 > 0) { while (frag_left0 > 0 && n_left_to_next > 0) { u32 i0; i0 = to_next[0] = frag_from0[0]; frag_from0 += 1; frag_left0 -= 1; to_next += 1; n_left_to_next -= 1; vlib_get_buffer (vm, i0)->error = error_node->errors[error0]; vlib_validate_buffer_enqueue_x1 (vm, node, next_index, to_next, n_left_to_next, i0, next0); } vlib_put_next_frame (vm, node, next_index, n_left_to_next); vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next); } vec_reset_length (buffer0); } vlib_put_next_frame (vm, node, next_index, n_left_to_next); } vec_free (buffer0); return frame->n_vectors; } /* *INDENT-OFF* */ VNET_FEATURE_INIT (ip4_map_feature, static) = { .arc_name = "ip4-unicast", .node_name = "ip4-map", .runs_before = VNET_FEATURES ("ip4-flow-classify"), .runs_after = VNET_FEATURES("ip4-sv-reassembly-feature"), }; VLIB_REGISTER_NODE(ip4_map_node) = { .function = ip4_map, .name = "ip4-map", .vector_size = sizeof(u32), .format_trace = format_map_trace, .type = VLIB_NODE_TYPE_INTERNAL, .n_errors = MAP_N_ERROR, .error_counters = map_error_counters, .n_next_nodes = IP4_MAP_N_NEXT, .next_nodes = { [IP4_MAP_NEXT_IP6_LOOKUP] = "ip6-lookup", #ifdef MAP_SKIP_IP6_LOOKUP [IP4_MAP_NEXT_IP6_REWRITE] = "ip6-load-balance", #endif [IP4_MAP_NEXT_ICMP_ERROR] = "ip4-icmp-error", [IP4_MAP_NEXT_DROP] = "error-drop", }, }; /* *INDENT-ON* */ /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */