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authorNeale Ranns <nranns@cisco.com>2020-09-18 07:35:06 +0000
committerOle Tr�an <otroan@employees.org>2020-09-21 17:04:13 +0000
commit3a6adc52fe4cad83883c00ad47aefdfb995fb441 (patch)
treeedea9964987a211545d538c8641696a02e4aa3ad /src/vnet/geneve/decap.c
parent6810a77da36c6750938800314c15e840ee2a8c93 (diff)
geneve: Move to plugin
Type: refactor Change-Id: I613bf4d6517591351b212bfe6c8d93abf235f5dc Signed-off-by: Neale Ranns <nranns@cisco.com>
Diffstat (limited to 'src/vnet/geneve/decap.c')
-rw-r--r--src/vnet/geneve/decap.c1303
1 files changed, 0 insertions, 1303 deletions
diff --git a/src/vnet/geneve/decap.c b/src/vnet/geneve/decap.c
deleted file mode 100644
index b570e3512c4..00000000000
--- a/src/vnet/geneve/decap.c
+++ /dev/null
@@ -1,1303 +0,0 @@
-/*
- * Copyright (c) 2017 SUSE LLC.
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at:
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <vlib/vlib.h>
-#include <vnet/pg/pg.h>
-#include <vnet/geneve/geneve.h>
-
-typedef struct
-{
- u32 next_index;
- u32 tunnel_index;
- u32 error;
- u32 vni_rsvd;
-} geneve_rx_trace_t;
-
-static u8 *
-format_geneve_rx_trace (u8 * s, va_list * args)
-{
- CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *);
- CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *);
- geneve_rx_trace_t *t = va_arg (*args, geneve_rx_trace_t *);
-
- if (t->tunnel_index != ~0)
- {
- s =
- format (s,
- "GENEVE decap from geneve_tunnel%d vni %d next %d error %d",
- t->tunnel_index, t->vni_rsvd, t->next_index, t->error);
- }
- else
- {
- s = format (s, "GENEVE decap error - tunnel for vni %d does not exist",
- t->vni_rsvd);
- }
- return s;
-}
-
-always_inline u32
-validate_geneve_fib (vlib_buffer_t * b, geneve_tunnel_t * t, u32 is_ip4)
-{
- u32 fib_index, sw_if_index;
-
- sw_if_index = vnet_buffer (b)->sw_if_index[VLIB_RX];
-
- if (is_ip4)
- fib_index = (vnet_buffer (b)->sw_if_index[VLIB_TX] == (u32) ~ 0) ?
- vec_elt (ip4_main.fib_index_by_sw_if_index, sw_if_index) :
- vnet_buffer (b)->sw_if_index[VLIB_TX];
- else
- fib_index = (vnet_buffer (b)->sw_if_index[VLIB_TX] == (u32) ~ 0) ?
- vec_elt (ip6_main.fib_index_by_sw_if_index, sw_if_index) :
- vnet_buffer (b)->sw_if_index[VLIB_TX];
-
- return (fib_index == t->encap_fib_index);
-}
-
-always_inline uword
-geneve_input (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * from_frame, u32 is_ip4)
-{
- u32 n_left_from, next_index, *from, *to_next;
- geneve_main_t *vxm = &geneve_main;
- vnet_main_t *vnm = vxm->vnet_main;
- vnet_interface_main_t *im = &vnm->interface_main;
- u32 last_tunnel_index = ~0;
- geneve4_tunnel_key_t last_key4;
- geneve6_tunnel_key_t last_key6;
- u32 pkts_decapsulated = 0;
- u32 thread_index = vm->thread_index;
- u32 stats_sw_if_index, stats_n_packets, stats_n_bytes;
- vlib_buffer_t *bufs[VLIB_FRAME_SIZE], **b = bufs;
-
- if (is_ip4)
- last_key4.as_u64 = ~0;
- else
- clib_memset (&last_key6, 0xff, sizeof (last_key6));
-
- from = vlib_frame_vector_args (from_frame);
- n_left_from = from_frame->n_vectors;
- vlib_get_buffers (vm, from, bufs, n_left_from);
-
- next_index = node->cached_next_index;
- stats_sw_if_index = node->runtime_data[0];
- stats_n_packets = stats_n_bytes = 0;
-
- while (n_left_from > 0)
- {
- u32 n_left_to_next;
-
- vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next);
- while (n_left_from >= 4 && n_left_to_next >= 2)
- {
- u32 bi0, bi1;
- vlib_buffer_t *b0, *b1;
- u32 next0, next1;
- ip4_header_t *ip4_0, *ip4_1;
- ip6_header_t *ip6_0, *ip6_1;
- geneve_header_t *geneve0, *geneve1;
- uword *p0, *p1;
- u32 tunnel_index0, tunnel_index1;
- geneve_tunnel_t *t0, *t1, *mt0 = NULL, *mt1 = NULL;
- geneve4_tunnel_key_t key4_0, key4_1;
- geneve6_tunnel_key_t key6_0, key6_1;
- u32 error0, error1;
- u32 sw_if_index0, sw_if_index1, len0, len1;
-
- /* Prefetch next iteration. */
- {
- vlib_prefetch_buffer_header (b[2], LOAD);
- vlib_prefetch_buffer_header (b[3], LOAD);
-
- CLIB_PREFETCH (b[2]->data, 2 * CLIB_CACHE_LINE_BYTES, LOAD);
- CLIB_PREFETCH (b[3]->data, 2 * CLIB_CACHE_LINE_BYTES, LOAD);
- }
-
- bi0 = from[0];
- bi1 = from[1];
- to_next[0] = bi0;
- to_next[1] = bi1;
- from += 2;
- to_next += 2;
- n_left_to_next -= 2;
- n_left_from -= 2;
-
- b0 = b[0];
- b1 = b[1];
- b += 2;
-
- /* udp leaves current_data pointing at the geneve header */
- geneve0 = vlib_buffer_get_current (b0);
- geneve1 = vlib_buffer_get_current (b1);
-
- vnet_geneve_hdr_1word_ntoh (geneve0);
- vnet_geneve_hdr_1word_ntoh (geneve1);
-
- if (is_ip4)
- {
- vlib_buffer_advance
- (b0, -(word) (sizeof (udp_header_t) + sizeof (ip4_header_t)));
- vlib_buffer_advance
- (b1, -(word) (sizeof (udp_header_t) + sizeof (ip4_header_t)));
- ip4_0 = vlib_buffer_get_current (b0);
- ip4_1 = vlib_buffer_get_current (b1);
- }
- else
- {
- vlib_buffer_advance
- (b0, -(word) (sizeof (udp_header_t) + sizeof (ip6_header_t)));
- vlib_buffer_advance
- (b1, -(word) (sizeof (udp_header_t) + sizeof (ip6_header_t)));
- ip6_0 = vlib_buffer_get_current (b0);
- ip6_1 = vlib_buffer_get_current (b1);
- }
-
- /* pop (ip, udp, geneve) */
- if (is_ip4)
- {
- vlib_buffer_advance (b0,
- sizeof (*ip4_0) + sizeof (udp_header_t) +
- GENEVE_BASE_HEADER_LENGTH +
- vnet_get_geneve_options_len (geneve0));
- vlib_buffer_advance (b1,
- sizeof (*ip4_1) + sizeof (udp_header_t) +
- GENEVE_BASE_HEADER_LENGTH +
- vnet_get_geneve_options_len (geneve1));
- }
- else
- {
- vlib_buffer_advance (b0,
- sizeof (*ip6_0) + sizeof (udp_header_t) +
- GENEVE_BASE_HEADER_LENGTH +
- vnet_get_geneve_options_len (geneve0));
- vlib_buffer_advance (b1,
- sizeof (*ip6_1) + sizeof (udp_header_t) +
- GENEVE_BASE_HEADER_LENGTH +
- vnet_get_geneve_options_len (geneve1));
- }
-
- tunnel_index0 = ~0;
- error0 = 0;
-
- tunnel_index1 = ~0;
- error1 = 0;
-
- if (PREDICT_FALSE
- (vnet_get_geneve_version (geneve0) != GENEVE_VERSION))
- {
- error0 = GENEVE_ERROR_BAD_FLAGS;
- next0 = GENEVE_INPUT_NEXT_DROP;
- goto trace0;
- }
-#if SUPPORT_OPTIONS_HEADER==1
- if (PREDICT_FALSE (vnet_get_geneve_critical_bit (geneve0) == 1))
- {
- error0 = GENEVE_ERROR_BAD_FLAGS;
- next0 = GENEVE_INPUT_NEXT_DROP;
- goto trace0;
- }
-#endif
- if (is_ip4)
- {
- key4_0.remote = ip4_0->src_address.as_u32;
- key4_0.vni = vnet_get_geneve_vni_network_order (geneve0);
-
- /* Make sure GENEVE tunnel exist according to packet SIP and VNI */
- if (PREDICT_FALSE (key4_0.as_u64 != last_key4.as_u64))
- {
- p0 = hash_get (vxm->geneve4_tunnel_by_key, key4_0.as_u64);
- if (PREDICT_FALSE (p0 == NULL))
- {
- error0 = GENEVE_ERROR_NO_SUCH_TUNNEL;
- next0 = GENEVE_INPUT_NEXT_DROP;
- goto trace0;
- }
- last_key4.as_u64 = key4_0.as_u64;
- tunnel_index0 = last_tunnel_index = p0[0];
- }
- else
- tunnel_index0 = last_tunnel_index;
- t0 = pool_elt_at_index (vxm->tunnels, tunnel_index0);
-
- /* Validate GENEVE tunnel encap-fib index against packet */
- if (PREDICT_FALSE (validate_geneve_fib (b0, t0, is_ip4) == 0))
- {
- error0 = GENEVE_ERROR_NO_SUCH_TUNNEL;
- next0 = GENEVE_INPUT_NEXT_DROP;
- goto trace0;
- }
-
- /* Validate GENEVE tunnel SIP against packet DIP */
- if (PREDICT_TRUE
- (ip4_0->dst_address.as_u32 == t0->local.ip4.as_u32))
- goto next0; /* valid packet */
- if (PREDICT_FALSE
- (ip4_address_is_multicast (&ip4_0->dst_address)))
- {
- key4_0.remote = ip4_0->dst_address.as_u32;
- key4_0.vni = vnet_get_geneve_vni_network_order (geneve0);
- /* Make sure mcast GENEVE tunnel exist by packet DIP and VNI */
- p0 = hash_get (vxm->geneve4_tunnel_by_key, key4_0.as_u64);
- if (PREDICT_TRUE (p0 != NULL))
- {
- mt0 = pool_elt_at_index (vxm->tunnels, p0[0]);
- goto next0; /* valid packet */
- }
- }
- error0 = GENEVE_ERROR_NO_SUCH_TUNNEL;
- next0 = GENEVE_INPUT_NEXT_DROP;
- goto trace0;
-
- }
- else /* !is_ip4 */
- {
- key6_0.remote.as_u64[0] = ip6_0->src_address.as_u64[0];
- key6_0.remote.as_u64[1] = ip6_0->src_address.as_u64[1];
- key6_0.vni = vnet_get_geneve_vni_network_order (geneve0);
-
- /* Make sure GENEVE tunnel exist according to packet SIP and VNI */
- if (PREDICT_FALSE
- (memcmp (&key6_0, &last_key6, sizeof (last_key6)) != 0))
- {
- p0 = hash_get_mem (vxm->geneve6_tunnel_by_key, &key6_0);
- if (PREDICT_FALSE (p0 == NULL))
- {
- error0 = GENEVE_ERROR_NO_SUCH_TUNNEL;
- next0 = GENEVE_INPUT_NEXT_DROP;
- goto trace0;
- }
- clib_memcpy_fast (&last_key6, &key6_0, sizeof (key6_0));
- tunnel_index0 = last_tunnel_index = p0[0];
- }
- else
- tunnel_index0 = last_tunnel_index;
- t0 = pool_elt_at_index (vxm->tunnels, tunnel_index0);
-
- /* Validate GENEVE tunnel encap-fib index against packet */
- if (PREDICT_FALSE (validate_geneve_fib (b0, t0, is_ip4) == 0))
- {
- error0 = GENEVE_ERROR_NO_SUCH_TUNNEL;
- next0 = GENEVE_INPUT_NEXT_DROP;
- goto trace0;
- }
-
- /* Validate GENEVE tunnel SIP against packet DIP */
- if (PREDICT_TRUE (ip6_address_is_equal (&ip6_0->dst_address,
- &t0->local.ip6)))
- goto next0; /* valid packet */
- if (PREDICT_FALSE
- (ip6_address_is_multicast (&ip6_0->dst_address)))
- {
- key6_0.remote.as_u64[0] = ip6_0->dst_address.as_u64[0];
- key6_0.remote.as_u64[1] = ip6_0->dst_address.as_u64[1];
- key6_0.vni = vnet_get_geneve_vni_network_order (geneve0);
- p0 = hash_get_mem (vxm->geneve6_tunnel_by_key, &key6_0);
- if (PREDICT_TRUE (p0 != NULL))
- {
- mt0 = pool_elt_at_index (vxm->tunnels, p0[0]);
- goto next0; /* valid packet */
- }
- }
- error0 = GENEVE_ERROR_NO_SUCH_TUNNEL;
- next0 = GENEVE_INPUT_NEXT_DROP;
- goto trace0;
- }
-
- next0:
- next0 = t0->decap_next_index;
- sw_if_index0 = t0->sw_if_index;
- len0 = vlib_buffer_length_in_chain (vm, b0);
-
- /* Required to make the l2 tag push / pop code work on l2 subifs */
- if (PREDICT_TRUE (next0 == GENEVE_INPUT_NEXT_L2_INPUT))
- vnet_update_l2_len (b0);
-
- /* Set packet input sw_if_index to unicast GENEVE tunnel for learning */
- vnet_buffer (b0)->sw_if_index[VLIB_RX] = sw_if_index0;
- sw_if_index0 = (mt0) ? mt0->sw_if_index : sw_if_index0;
-
- pkts_decapsulated++;
- stats_n_packets += 1;
- stats_n_bytes += len0;
-
- /* Batch stats increment on the same geneve tunnel so counter
- is not incremented per packet */
- if (PREDICT_FALSE (sw_if_index0 != stats_sw_if_index))
- {
- stats_n_packets -= 1;
- stats_n_bytes -= len0;
- if (stats_n_packets)
- vlib_increment_combined_counter
- (im->combined_sw_if_counters + VNET_INTERFACE_COUNTER_RX,
- thread_index, stats_sw_if_index,
- stats_n_packets, stats_n_bytes);
- stats_n_packets = 1;
- stats_n_bytes = len0;
- stats_sw_if_index = sw_if_index0;
- }
-
- trace0:
- b0->error = error0 ? node->errors[error0] : 0;
-
- if (PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED))
- {
- geneve_rx_trace_t *tr
- = vlib_add_trace (vm, node, b0, sizeof (*tr));
- tr->next_index = next0;
- tr->error = error0;
- tr->tunnel_index = tunnel_index0;
- tr->vni_rsvd = vnet_get_geneve_vni (geneve0);
- }
-
- if (PREDICT_FALSE
- (vnet_get_geneve_version (geneve1) != GENEVE_VERSION))
- {
- error1 = GENEVE_ERROR_BAD_FLAGS;
- next1 = GENEVE_INPUT_NEXT_DROP;
- goto trace1;
- }
-#if SUPPORT_OPTIONS_HEADER==1
- if (PREDICT_FALSE (vnet_get_geneve_critical_bit (geneve1) == 1))
- {
- error1 = GENEVE_ERROR_BAD_FLAGS;
- next1 = GENEVE_INPUT_NEXT_DROP;
- goto trace1;
- }
-#endif
- if (is_ip4)
- {
- key4_1.remote = ip4_1->src_address.as_u32;
- key4_1.vni = vnet_get_geneve_vni_network_order (geneve1);
-
- /* Make sure unicast GENEVE tunnel exist by packet SIP and VNI */
- if (PREDICT_FALSE (key4_1.as_u64 != last_key4.as_u64))
- {
- p1 = hash_get (vxm->geneve4_tunnel_by_key, key4_1.as_u64);
- if (PREDICT_FALSE (p1 == NULL))
- {
- error1 = GENEVE_ERROR_NO_SUCH_TUNNEL;
- next1 = GENEVE_INPUT_NEXT_DROP;
- goto trace1;
- }
- last_key4.as_u64 = key4_1.as_u64;
- tunnel_index1 = last_tunnel_index = p1[0];
- }
- else
- tunnel_index1 = last_tunnel_index;
- t1 = pool_elt_at_index (vxm->tunnels, tunnel_index1);
-
- /* Validate GENEVE tunnel encap-fib index against packet */
- if (PREDICT_FALSE (validate_geneve_fib (b1, t1, is_ip4) == 0))
- {
- error1 = GENEVE_ERROR_NO_SUCH_TUNNEL;
- next1 = GENEVE_INPUT_NEXT_DROP;
- goto trace1;
- }
-
- /* Validate GENEVE tunnel SIP against packet DIP */
- if (PREDICT_TRUE
- (ip4_1->dst_address.as_u32 == t1->local.ip4.as_u32))
- goto next1; /* valid packet */
- if (PREDICT_FALSE
- (ip4_address_is_multicast (&ip4_1->dst_address)))
- {
- key4_1.remote = ip4_1->dst_address.as_u32;
- key4_1.vni = vnet_get_geneve_vni_network_order (geneve1);
- /* Make sure mcast GENEVE tunnel exist by packet DIP and VNI */
- p1 = hash_get (vxm->geneve4_tunnel_by_key, key4_1.as_u64);
- if (PREDICT_TRUE (p1 != NULL))
- {
- mt1 = pool_elt_at_index (vxm->tunnels, p1[0]);
- goto next1; /* valid packet */
- }
- }
- error1 = GENEVE_ERROR_NO_SUCH_TUNNEL;
- next1 = GENEVE_INPUT_NEXT_DROP;
- goto trace1;
-
- }
- else /* !is_ip4 */
- {
- key6_1.remote.as_u64[0] = ip6_1->src_address.as_u64[0];
- key6_1.remote.as_u64[1] = ip6_1->src_address.as_u64[1];
- key6_1.vni = vnet_get_geneve_vni_network_order (geneve1);
-
- /* Make sure GENEVE tunnel exist according to packet SIP and VNI */
- if (PREDICT_FALSE
- (memcmp (&key6_1, &last_key6, sizeof (last_key6)) != 0))
- {
- p1 = hash_get_mem (vxm->geneve6_tunnel_by_key, &key6_1);
-
- if (PREDICT_FALSE (p1 == NULL))
- {
- error1 = GENEVE_ERROR_NO_SUCH_TUNNEL;
- next1 = GENEVE_INPUT_NEXT_DROP;
- goto trace1;
- }
-
- clib_memcpy_fast (&last_key6, &key6_1, sizeof (key6_1));
- tunnel_index1 = last_tunnel_index = p1[0];
- }
- else
- tunnel_index1 = last_tunnel_index;
- t1 = pool_elt_at_index (vxm->tunnels, tunnel_index1);
-
- /* Validate GENEVE tunnel encap-fib index against packet */
- if (PREDICT_FALSE (validate_geneve_fib (b1, t1, is_ip4) == 0))
- {
- error1 = GENEVE_ERROR_NO_SUCH_TUNNEL;
- next1 = GENEVE_INPUT_NEXT_DROP;
- goto trace1;
- }
-
- /* Validate GENEVE tunnel SIP against packet DIP */
- if (PREDICT_TRUE (ip6_address_is_equal (&ip6_1->dst_address,
- &t1->local.ip6)))
- goto next1; /* valid packet */
- if (PREDICT_FALSE
- (ip6_address_is_multicast (&ip6_1->dst_address)))
- {
- key6_1.remote.as_u64[0] = ip6_1->dst_address.as_u64[0];
- key6_1.remote.as_u64[1] = ip6_1->dst_address.as_u64[1];
- key6_1.vni = vnet_get_geneve_vni_network_order (geneve1);
- p1 = hash_get_mem (vxm->geneve6_tunnel_by_key, &key6_1);
- if (PREDICT_TRUE (p1 != NULL))
- {
- mt1 = pool_elt_at_index (vxm->tunnels, p1[0]);
- goto next1; /* valid packet */
- }
- }
- error1 = GENEVE_ERROR_NO_SUCH_TUNNEL;
- next1 = GENEVE_INPUT_NEXT_DROP;
- goto trace1;
- }
-
- next1:
- next1 = t1->decap_next_index;
- sw_if_index1 = t1->sw_if_index;
- len1 = vlib_buffer_length_in_chain (vm, b1);
-
- /* Required to make the l2 tag push / pop code work on l2 subifs */
- if (PREDICT_TRUE (next1 == GENEVE_INPUT_NEXT_L2_INPUT))
- vnet_update_l2_len (b1);
-
- /* Set packet input sw_if_index to unicast GENEVE tunnel for learning */
- vnet_buffer (b1)->sw_if_index[VLIB_RX] = sw_if_index1;
- sw_if_index1 = (mt1) ? mt1->sw_if_index : sw_if_index1;
-
- pkts_decapsulated++;
- stats_n_packets += 1;
- stats_n_bytes += len1;
-
- /* Batch stats increment on the same geneve tunnel so counter
- is not incremented per packet */
- if (PREDICT_FALSE (sw_if_index1 != stats_sw_if_index))
- {
- stats_n_packets -= 1;
- stats_n_bytes -= len1;
- if (stats_n_packets)
- vlib_increment_combined_counter
- (im->combined_sw_if_counters + VNET_INTERFACE_COUNTER_RX,
- thread_index, stats_sw_if_index,
- stats_n_packets, stats_n_bytes);
- stats_n_packets = 1;
- stats_n_bytes = len1;
- stats_sw_if_index = sw_if_index1;
- }
-
- trace1:
- b1->error = error1 ? node->errors[error1] : 0;
-
- if (PREDICT_FALSE (b1->flags & VLIB_BUFFER_IS_TRACED))
- {
- geneve_rx_trace_t *tr
- = vlib_add_trace (vm, node, b1, sizeof (*tr));
- tr->next_index = next1;
- tr->error = error1;
- tr->tunnel_index = tunnel_index1;
- tr->vni_rsvd = vnet_get_geneve_vni (geneve1);
- }
-
- vlib_validate_buffer_enqueue_x2 (vm, node, next_index,
- to_next, n_left_to_next,
- bi0, bi1, next0, next1);
- }
-
- while (n_left_from > 0 && n_left_to_next > 0)
- {
- u32 bi0;
- vlib_buffer_t *b0;
- u32 next0;
- ip4_header_t *ip4_0;
- ip6_header_t *ip6_0;
- geneve_header_t *geneve0;
- uword *p0;
- u32 tunnel_index0;
- geneve_tunnel_t *t0, *mt0 = NULL;
- geneve4_tunnel_key_t key4_0;
- geneve6_tunnel_key_t key6_0;
- u32 error0;
- u32 sw_if_index0, len0;
-
- bi0 = from[0];
- to_next[0] = bi0;
- from += 1;
- to_next += 1;
- n_left_from -= 1;
- n_left_to_next -= 1;
-
- b0 = b[0];
- b += 1;
-
- /* udp leaves current_data pointing at the geneve header */
- geneve0 = vlib_buffer_get_current (b0);
- vnet_geneve_hdr_1word_ntoh (geneve0);
-
- if (is_ip4)
- {
- vlib_buffer_advance
- (b0, -(word) (sizeof (udp_header_t) + sizeof (ip4_header_t)));
- ip4_0 = vlib_buffer_get_current (b0);
- }
- else
- {
- vlib_buffer_advance
- (b0, -(word) (sizeof (udp_header_t) + sizeof (ip6_header_t)));
- ip6_0 = vlib_buffer_get_current (b0);
- }
-
- /* pop (ip, udp, geneve) */
- if (is_ip4)
- {
- vlib_buffer_advance
- (b0,
- sizeof (*ip4_0) + sizeof (udp_header_t) +
- GENEVE_BASE_HEADER_LENGTH +
- vnet_get_geneve_options_len (geneve0));
- }
- else
- {
- vlib_buffer_advance
- (b0,
- sizeof (*ip6_0) + sizeof (udp_header_t) +
- GENEVE_BASE_HEADER_LENGTH +
- vnet_get_geneve_options_len (geneve0));
- }
-
- tunnel_index0 = ~0;
- error0 = 0;
-
- if (PREDICT_FALSE
- (vnet_get_geneve_version (geneve0) != GENEVE_VERSION))
- {
- error0 = GENEVE_ERROR_BAD_FLAGS;
- next0 = GENEVE_INPUT_NEXT_DROP;
- goto trace00;
- }
-#if SUPPORT_OPTIONS_HEADER==1
- if (PREDICT_FALSE (vnet_get_geneve_critical_bit (geneve0) == 1))
- {
- error0 = GENEVE_ERROR_BAD_FLAGS;
- next0 = GENEVE_INPUT_NEXT_DROP;
- goto trace00;
- }
-#endif
- if (is_ip4)
- {
- key4_0.remote = ip4_0->src_address.as_u32;
- key4_0.vni = vnet_get_geneve_vni_network_order (geneve0);
-
- /* Make sure unicast GENEVE tunnel exist by packet SIP and VNI */
- if (PREDICT_FALSE (key4_0.as_u64 != last_key4.as_u64))
- {
- p0 = hash_get (vxm->geneve4_tunnel_by_key, key4_0.as_u64);
- if (PREDICT_FALSE (p0 == NULL))
- {
- error0 = GENEVE_ERROR_NO_SUCH_TUNNEL;
- next0 = GENEVE_INPUT_NEXT_DROP;
- goto trace00;
- }
- last_key4.as_u64 = key4_0.as_u64;
- tunnel_index0 = last_tunnel_index = p0[0];
- }
- else
- tunnel_index0 = last_tunnel_index;
- t0 = pool_elt_at_index (vxm->tunnels, tunnel_index0);
-
- /* Validate GENEVE tunnel encap-fib index agaist packet */
- if (PREDICT_FALSE (validate_geneve_fib (b0, t0, is_ip4) == 0))
- {
- error0 = GENEVE_ERROR_NO_SUCH_TUNNEL;
- next0 = GENEVE_INPUT_NEXT_DROP;
- goto trace00;
- }
-
- /* Validate GENEVE tunnel SIP against packet DIP */
- if (PREDICT_TRUE
- (ip4_0->dst_address.as_u32 == t0->local.ip4.as_u32))
- goto next00; /* valid packet */
- if (PREDICT_FALSE
- (ip4_address_is_multicast (&ip4_0->dst_address)))
- {
- key4_0.remote = ip4_0->dst_address.as_u32;
- key4_0.vni = vnet_get_geneve_vni_network_order (geneve0);
- /* Make sure mcast GENEVE tunnel exist by packet DIP and VNI */
- p0 = hash_get (vxm->geneve4_tunnel_by_key, key4_0.as_u64);
- if (PREDICT_TRUE (p0 != NULL))
- {
- mt0 = pool_elt_at_index (vxm->tunnels, p0[0]);
- goto next00; /* valid packet */
- }
- }
- error0 = GENEVE_ERROR_NO_SUCH_TUNNEL;
- next0 = GENEVE_INPUT_NEXT_DROP;
- goto trace00;
-
- }
- else /* !is_ip4 */
- {
- key6_0.remote.as_u64[0] = ip6_0->src_address.as_u64[0];
- key6_0.remote.as_u64[1] = ip6_0->src_address.as_u64[1];
- key6_0.vni = vnet_get_geneve_vni_network_order (geneve0);
-
- /* Make sure GENEVE tunnel exist according to packet SIP and VNI */
- if (PREDICT_FALSE
- (memcmp (&key6_0, &last_key6, sizeof (last_key6)) != 0))
- {
- p0 = hash_get_mem (vxm->geneve6_tunnel_by_key, &key6_0);
- if (PREDICT_FALSE (p0 == NULL))
- {
- error0 = GENEVE_ERROR_NO_SUCH_TUNNEL;
- next0 = GENEVE_INPUT_NEXT_DROP;
- goto trace00;
- }
- clib_memcpy_fast (&last_key6, &key6_0, sizeof (key6_0));
- tunnel_index0 = last_tunnel_index = p0[0];
- }
- else
- tunnel_index0 = last_tunnel_index;
- t0 = pool_elt_at_index (vxm->tunnels, tunnel_index0);
-
- /* Validate GENEVE tunnel encap-fib index agaist packet */
- if (PREDICT_FALSE (validate_geneve_fib (b0, t0, is_ip4) == 0))
- {
- error0 = GENEVE_ERROR_NO_SUCH_TUNNEL;
- next0 = GENEVE_INPUT_NEXT_DROP;
- goto trace00;
- }
-
- /* Validate GENEVE tunnel SIP against packet DIP */
- if (PREDICT_TRUE (ip6_address_is_equal (&ip6_0->dst_address,
- &t0->local.ip6)))
- goto next00; /* valid packet */
- if (PREDICT_FALSE
- (ip6_address_is_multicast (&ip6_0->dst_address)))
- {
- key6_0.remote.as_u64[0] = ip6_0->dst_address.as_u64[0];
- key6_0.remote.as_u64[1] = ip6_0->dst_address.as_u64[1];
- key6_0.vni = vnet_get_geneve_vni_network_order (geneve0);
- p0 = hash_get_mem (vxm->geneve6_tunnel_by_key, &key6_0);
- if (PREDICT_TRUE (p0 != NULL))
- {
- mt0 = pool_elt_at_index (vxm->tunnels, p0[0]);
- goto next00; /* valid packet */
- }
- }
- error0 = GENEVE_ERROR_NO_SUCH_TUNNEL;
- next0 = GENEVE_INPUT_NEXT_DROP;
- goto trace00;
- }
-
- next00:
- next0 = t0->decap_next_index;
- sw_if_index0 = t0->sw_if_index;
- len0 = vlib_buffer_length_in_chain (vm, b0);
-
- /* Required to make the l2 tag push / pop code work on l2 subifs */
- if (PREDICT_TRUE (next0 == GENEVE_INPUT_NEXT_L2_INPUT))
- vnet_update_l2_len (b0);
-
- /* Set packet input sw_if_index to unicast GENEVE tunnel for learning */
- vnet_buffer (b0)->sw_if_index[VLIB_RX] = sw_if_index0;
- sw_if_index0 = (mt0) ? mt0->sw_if_index : sw_if_index0;
-
- pkts_decapsulated++;
- stats_n_packets += 1;
- stats_n_bytes += len0;
-
- /* Batch stats increment on the same geneve tunnel so counter
- is not incremented per packet */
- if (PREDICT_FALSE (sw_if_index0 != stats_sw_if_index))
- {
- stats_n_packets -= 1;
- stats_n_bytes -= len0;
- if (stats_n_packets)
- vlib_increment_combined_counter
- (im->combined_sw_if_counters + VNET_INTERFACE_COUNTER_RX,
- thread_index, stats_sw_if_index,
- stats_n_packets, stats_n_bytes);
- stats_n_packets = 1;
- stats_n_bytes = len0;
- stats_sw_if_index = sw_if_index0;
- }
-
- trace00:
- b0->error = error0 ? node->errors[error0] : 0;
-
- if (PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED))
- {
- geneve_rx_trace_t *tr
- = vlib_add_trace (vm, node, b0, sizeof (*tr));
- tr->next_index = next0;
- tr->error = error0;
- tr->tunnel_index = tunnel_index0;
- tr->vni_rsvd = vnet_get_geneve_vni (geneve0);
- }
- vlib_validate_buffer_enqueue_x1 (vm, node, next_index,
- to_next, n_left_to_next,
- bi0, next0);
- }
-
- vlib_put_next_frame (vm, node, next_index, n_left_to_next);
- }
- /* Do we still need this now that tunnel tx stats is kept? */
- vlib_node_increment_counter (vm, is_ip4 ?
- geneve4_input_node.
- index : geneve6_input_node.index,
- GENEVE_ERROR_DECAPSULATED, pkts_decapsulated);
-
- /* Increment any remaining batch stats */
- if (stats_n_packets)
- {
- vlib_increment_combined_counter
- (im->combined_sw_if_counters + VNET_INTERFACE_COUNTER_RX,
- thread_index, stats_sw_if_index, stats_n_packets, stats_n_bytes);
- node->runtime_data[0] = stats_sw_if_index;
- }
-
- return from_frame->n_vectors;
-}
-
-VLIB_NODE_FN (geneve4_input_node) (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * from_frame)
-{
- return geneve_input (vm, node, from_frame, /* is_ip4 */ 1);
-}
-
-VLIB_NODE_FN (geneve6_input_node) (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * from_frame)
-{
- return geneve_input (vm, node, from_frame, /* is_ip4 */ 0);
-}
-
-static char *geneve_error_strings[] = {
-#define geneve_error(n,s) s,
-#include <vnet/geneve/geneve_error.def>
-#undef geneve_error
-#undef _
-};
-
-/* *INDENT-OFF* */
-VLIB_REGISTER_NODE (geneve4_input_node) = {
- .name = "geneve4-input",
- /* Takes a vector of packets. */
- .vector_size = sizeof (u32),
- .n_errors = GENEVE_N_ERROR,
- .error_strings = geneve_error_strings,
- .n_next_nodes = GENEVE_INPUT_N_NEXT,
- .next_nodes = {
-#define _(s,n) [GENEVE_INPUT_NEXT_##s] = n,
- foreach_geneve_input_next
-#undef _
- },
-
-//temp .format_buffer = format_geneve_header,
- .format_trace = format_geneve_rx_trace,
- // $$$$ .unformat_buffer = unformat_geneve_header,
-};
-
-VLIB_REGISTER_NODE (geneve6_input_node) = {
- .name = "geneve6-input",
- /* Takes a vector of packets. */
- .vector_size = sizeof (u32),
- .n_errors = GENEVE_N_ERROR,
- .error_strings = geneve_error_strings,
- .n_next_nodes = GENEVE_INPUT_N_NEXT,
- .next_nodes = {
-#define _(s,n) [GENEVE_INPUT_NEXT_##s] = n,
- foreach_geneve_input_next
-#undef _
- },
-//temp .format_buffer = format_geneve_header,
- .format_trace = format_geneve_rx_trace,
- // $$$$ .unformat_buffer = unformat_geneve_header,
-};
-/* *INDENT-ON* */
-
-typedef enum
-{
- IP_GENEVE_BYPASS_NEXT_DROP,
- IP_GENEVE_BYPASS_NEXT_GENEVE,
- IP_GENEVE_BYPASS_N_NEXT,
-} ip_vxan_bypass_next_t;
-
-always_inline uword
-ip_geneve_bypass_inline (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame, u32 is_ip4)
-{
- geneve_main_t *vxm = &geneve_main;
- u32 *from, *to_next, n_left_from, n_left_to_next, next_index;
- vlib_node_runtime_t *error_node =
- vlib_node_get_runtime (vm, ip4_input_node.index);
- vtep4_key_t last_vtep4; /* last IPv4 address / fib index
- matching a local VTEP address */
- vtep6_key_t last_vtep6; /* last IPv6 address / fib index
- matching a local VTEP address */
- vlib_buffer_t *bufs[VLIB_FRAME_SIZE], **b = bufs;
-#ifdef CLIB_HAVE_VEC512
- vtep4_cache_t vtep4_u512;
- clib_memset (&vtep4_u512, 0, sizeof (vtep4_u512));
-#endif
-
- from = vlib_frame_vector_args (frame);
- n_left_from = frame->n_vectors;
- next_index = node->cached_next_index;
-
- vlib_get_buffers (vm, from, bufs, n_left_from);
-
- if (node->flags & VLIB_NODE_FLAG_TRACE)
- ip4_forward_next_trace (vm, node, frame, VLIB_TX);
-
- if (is_ip4)
- vtep4_key_init (&last_vtep4);
- else
- vtep6_key_init (&last_vtep6);
-
- while (n_left_from > 0)
- {
- vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next);
-
- while (n_left_from >= 4 && n_left_to_next >= 2)
- {
- vlib_buffer_t *b0, *b1;
- ip4_header_t *ip40, *ip41;
- ip6_header_t *ip60, *ip61;
- udp_header_t *udp0, *udp1;
- u32 bi0, ip_len0, udp_len0, flags0, next0;
- u32 bi1, ip_len1, udp_len1, flags1, next1;
- i32 len_diff0, len_diff1;
- u8 error0, good_udp0, proto0;
- u8 error1, good_udp1, proto1;
-
- /* Prefetch next iteration. */
- {
- vlib_prefetch_buffer_header (b[2], LOAD);
- vlib_prefetch_buffer_header (b[3], LOAD);
-
- CLIB_PREFETCH (b[2]->data, 2 * CLIB_CACHE_LINE_BYTES, LOAD);
- CLIB_PREFETCH (b[3]->data, 2 * CLIB_CACHE_LINE_BYTES, LOAD);
- }
-
- bi0 = to_next[0] = from[0];
- bi1 = to_next[1] = from[1];
- from += 2;
- n_left_from -= 2;
- to_next += 2;
- n_left_to_next -= 2;
-
- b0 = b[0];
- b1 = b[1];
- b += 2;
- if (is_ip4)
- {
- ip40 = vlib_buffer_get_current (b0);
- ip41 = vlib_buffer_get_current (b1);
- }
- else
- {
- ip60 = vlib_buffer_get_current (b0);
- ip61 = vlib_buffer_get_current (b1);
- }
-
- /* Setup packet for next IP feature */
- vnet_feature_next (&next0, b0);
- vnet_feature_next (&next1, b1);
-
- if (is_ip4)
- {
- /* Treat IP frag packets as "experimental" protocol for now
- until support of IP frag reassembly is implemented */
- proto0 = ip4_is_fragment (ip40) ? 0xfe : ip40->protocol;
- proto1 = ip4_is_fragment (ip41) ? 0xfe : ip41->protocol;
- }
- else
- {
- proto0 = ip60->protocol;
- proto1 = ip61->protocol;
- }
-
- /* Process packet 0 */
- if (proto0 != IP_PROTOCOL_UDP)
- goto exit0; /* not UDP packet */
-
- if (is_ip4)
- udp0 = ip4_next_header (ip40);
- else
- udp0 = ip6_next_header (ip60);
-
- if (udp0->dst_port != clib_host_to_net_u16 (UDP_DST_PORT_geneve))
- goto exit0; /* not GENEVE packet */
-
- /* Validate DIP against VTEPs */
- if (is_ip4)
- {
-#ifdef CLIB_HAVE_VEC512
- if (!vtep4_check_vector
- (&vxm->vtep_table, b0, ip40, &last_vtep4, &vtep4_u512))
-#else
- if (!vtep4_check (&vxm->vtep_table, b0, ip40, &last_vtep4))
-#endif
- goto exit0; /* no local VTEP for GENEVE packet */
- }
- else
- {
- if (!vtep6_check (&vxm->vtep_table, b0, ip60, &last_vtep6))
- goto exit0; /* no local VTEP for GENEVE packet */
- }
-
- flags0 = b0->flags;
- good_udp0 = (flags0 & VNET_BUFFER_F_L4_CHECKSUM_CORRECT) != 0;
-
- /* Don't verify UDP checksum for packets with explicit zero checksum. */
- good_udp0 |= udp0->checksum == 0;
-
- /* Verify UDP length */
- if (is_ip4)
- ip_len0 = clib_net_to_host_u16 (ip40->length);
- else
- ip_len0 = clib_net_to_host_u16 (ip60->payload_length);
- udp_len0 = clib_net_to_host_u16 (udp0->length);
- len_diff0 = ip_len0 - udp_len0;
-
- /* Verify UDP checksum */
- if (PREDICT_FALSE (!good_udp0))
- {
- if ((flags0 & VNET_BUFFER_F_L4_CHECKSUM_COMPUTED) == 0)
- {
- if (is_ip4)
- flags0 = ip4_tcp_udp_validate_checksum (vm, b0);
- else
- flags0 = ip6_tcp_udp_icmp_validate_checksum (vm, b0);
- good_udp0 =
- (flags0 & VNET_BUFFER_F_L4_CHECKSUM_CORRECT) != 0;
- }
- }
-
- if (is_ip4)
- {
- error0 = good_udp0 ? 0 : IP4_ERROR_UDP_CHECKSUM;
- error0 = (len_diff0 >= 0) ? error0 : IP4_ERROR_UDP_LENGTH;
- }
- else
- {
- error0 = good_udp0 ? 0 : IP6_ERROR_UDP_CHECKSUM;
- error0 = (len_diff0 >= 0) ? error0 : IP6_ERROR_UDP_LENGTH;
- }
-
- next0 = error0 ?
- IP_GENEVE_BYPASS_NEXT_DROP : IP_GENEVE_BYPASS_NEXT_GENEVE;
- b0->error = error0 ? error_node->errors[error0] : 0;
-
- /* geneve-input node expect current at GENEVE header */
- if (is_ip4)
- vlib_buffer_advance (b0,
- sizeof (ip4_header_t) +
- sizeof (udp_header_t));
- else
- vlib_buffer_advance (b0,
- sizeof (ip6_header_t) +
- sizeof (udp_header_t));
-
- exit0:
- /* Process packet 1 */
- if (proto1 != IP_PROTOCOL_UDP)
- goto exit1; /* not UDP packet */
-
- if (is_ip4)
- udp1 = ip4_next_header (ip41);
- else
- udp1 = ip6_next_header (ip61);
-
- if (udp1->dst_port != clib_host_to_net_u16 (UDP_DST_PORT_geneve))
- goto exit1; /* not GENEVE packet */
-
- /* Validate DIP against VTEPs */
- if (is_ip4)
- {
-#ifdef CLIB_HAVE_VEC512
- if (!vtep4_check_vector
- (&vxm->vtep_table, b1, ip41, &last_vtep4, &vtep4_u512))
-#else
- if (!vtep4_check (&vxm->vtep_table, b1, ip41, &last_vtep4))
-#endif
- goto exit1; /* no local VTEP for GENEVE packet */
- }
- else
- {
- if (!vtep6_check (&vxm->vtep_table, b1, ip61, &last_vtep6))
- goto exit1; /* no local VTEP for GENEVE packet */
- }
-
- flags1 = b1->flags;
- good_udp1 = (flags1 & VNET_BUFFER_F_L4_CHECKSUM_CORRECT) != 0;
-
- /* Don't verify UDP checksum for packets with explicit zero checksum. */
- good_udp1 |= udp1->checksum == 0;
-
- /* Verify UDP length */
- if (is_ip4)
- ip_len1 = clib_net_to_host_u16 (ip41->length);
- else
- ip_len1 = clib_net_to_host_u16 (ip61->payload_length);
- udp_len1 = clib_net_to_host_u16 (udp1->length);
- len_diff1 = ip_len1 - udp_len1;
-
- /* Verify UDP checksum */
- if (PREDICT_FALSE (!good_udp1))
- {
- if ((flags1 & VNET_BUFFER_F_L4_CHECKSUM_COMPUTED) == 0)
- {
- if (is_ip4)
- flags1 = ip4_tcp_udp_validate_checksum (vm, b1);
- else
- flags1 = ip6_tcp_udp_icmp_validate_checksum (vm, b1);
- good_udp1 =
- (flags1 & VNET_BUFFER_F_L4_CHECKSUM_CORRECT) != 0;
- }
- }
-
- if (is_ip4)
- {
- error1 = good_udp1 ? 0 : IP4_ERROR_UDP_CHECKSUM;
- error1 = (len_diff1 >= 0) ? error1 : IP4_ERROR_UDP_LENGTH;
- }
- else
- {
- error1 = good_udp1 ? 0 : IP6_ERROR_UDP_CHECKSUM;
- error1 = (len_diff1 >= 0) ? error1 : IP6_ERROR_UDP_LENGTH;
- }
-
- next1 = error1 ?
- IP_GENEVE_BYPASS_NEXT_DROP : IP_GENEVE_BYPASS_NEXT_GENEVE;
- b1->error = error1 ? error_node->errors[error1] : 0;
-
- /* geneve-input node expect current at GENEVE header */
- if (is_ip4)
- vlib_buffer_advance (b1,
- sizeof (ip4_header_t) +
- sizeof (udp_header_t));
- else
- vlib_buffer_advance (b1,
- sizeof (ip6_header_t) +
- sizeof (udp_header_t));
-
- exit1:
- vlib_validate_buffer_enqueue_x2 (vm, node, next_index,
- to_next, n_left_to_next,
- bi0, bi1, next0, next1);
- }
-
- while (n_left_from > 0 && n_left_to_next > 0)
- {
- vlib_buffer_t *b0;
- ip4_header_t *ip40;
- ip6_header_t *ip60;
- udp_header_t *udp0;
- u32 bi0, ip_len0, udp_len0, flags0, next0;
- i32 len_diff0;
- u8 error0, good_udp0, proto0;
-
- bi0 = to_next[0] = from[0];
- from += 1;
- n_left_from -= 1;
- to_next += 1;
- n_left_to_next -= 1;
-
- b0 = b[0];
- b++;
- if (is_ip4)
- ip40 = vlib_buffer_get_current (b0);
- else
- ip60 = vlib_buffer_get_current (b0);
-
- /* Setup packet for next IP feature */
- vnet_feature_next (&next0, b0);
-
- if (is_ip4)
- /* Treat IP4 frag packets as "experimental" protocol for now
- until support of IP frag reassembly is implemented */
- proto0 = ip4_is_fragment (ip40) ? 0xfe : ip40->protocol;
- else
- proto0 = ip60->protocol;
-
- if (proto0 != IP_PROTOCOL_UDP)
- goto exit; /* not UDP packet */
-
- if (is_ip4)
- udp0 = ip4_next_header (ip40);
- else
- udp0 = ip6_next_header (ip60);
-
- if (udp0->dst_port != clib_host_to_net_u16 (UDP_DST_PORT_geneve))
- goto exit; /* not GENEVE packet */
-
- /* Validate DIP against VTEPs */
- if (is_ip4)
- {
-#ifdef CLIB_HAVE_VEC512
- if (!vtep4_check_vector
- (&vxm->vtep_table, b0, ip40, &last_vtep4, &vtep4_u512))
-#else
- if (!vtep4_check (&vxm->vtep_table, b0, ip40, &last_vtep4))
-#endif
- goto exit; /* no local VTEP for GENEVE packet */
- }
- else
- {
- if (!vtep6_check (&vxm->vtep_table, b0, ip60, &last_vtep6))
- goto exit; /* no local VTEP for GENEVE packet */
- }
-
- flags0 = b0->flags;
- good_udp0 = (flags0 & VNET_BUFFER_F_L4_CHECKSUM_CORRECT) != 0;
-
- /* Don't verify UDP checksum for packets with explicit zero checksum. */
- good_udp0 |= udp0->checksum == 0;
-
- /* Verify UDP length */
- if (is_ip4)
- ip_len0 = clib_net_to_host_u16 (ip40->length);
- else
- ip_len0 = clib_net_to_host_u16 (ip60->payload_length);
- udp_len0 = clib_net_to_host_u16 (udp0->length);
- len_diff0 = ip_len0 - udp_len0;
-
- /* Verify UDP checksum */
- if (PREDICT_FALSE (!good_udp0))
- {
- if ((flags0 & VNET_BUFFER_F_L4_CHECKSUM_COMPUTED) == 0)
- {
- if (is_ip4)
- flags0 = ip4_tcp_udp_validate_checksum (vm, b0);
- else
- flags0 = ip6_tcp_udp_icmp_validate_checksum (vm, b0);
- good_udp0 =
- (flags0 & VNET_BUFFER_F_L4_CHECKSUM_CORRECT) != 0;
- }
- }
-
- if (is_ip4)
- {
- error0 = good_udp0 ? 0 : IP4_ERROR_UDP_CHECKSUM;
- error0 = (len_diff0 >= 0) ? error0 : IP4_ERROR_UDP_LENGTH;
- }
- else
- {
- error0 = good_udp0 ? 0 : IP6_ERROR_UDP_CHECKSUM;
- error0 = (len_diff0 >= 0) ? error0 : IP6_ERROR_UDP_LENGTH;
- }
-
- next0 = error0 ?
- IP_GENEVE_BYPASS_NEXT_DROP : IP_GENEVE_BYPASS_NEXT_GENEVE;
- b0->error = error0 ? error_node->errors[error0] : 0;
-
- /* geneve-input node expect current at GENEVE header */
- if (is_ip4)
- vlib_buffer_advance (b0,
- sizeof (ip4_header_t) +
- sizeof (udp_header_t));
- else
- vlib_buffer_advance (b0,
- sizeof (ip6_header_t) +
- sizeof (udp_header_t));
-
- exit:
- vlib_validate_buffer_enqueue_x1 (vm, node, next_index,
- to_next, n_left_to_next,
- bi0, next0);
- }
-
- vlib_put_next_frame (vm, node, next_index, n_left_to_next);
- }
-
- return frame->n_vectors;
-}
-
-VLIB_NODE_FN (ip4_geneve_bypass_node) (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame)
-{
- return ip_geneve_bypass_inline (vm, node, frame, /* is_ip4 */ 1);
-}
-
-/* *INDENT-OFF* */
-VLIB_REGISTER_NODE (ip4_geneve_bypass_node) =
-{
- .name = "ip4-geneve-bypass",
- .vector_size = sizeof (u32),
- .n_next_nodes = IP_GENEVE_BYPASS_N_NEXT,.next_nodes =
- {
- [IP_GENEVE_BYPASS_NEXT_DROP] = "error-drop",
- [IP_GENEVE_BYPASS_NEXT_GENEVE] = "geneve4-input",
- },
- .format_buffer = format_ip4_header,
- .format_trace = format_ip4_forward_next_trace,
-};
-/* *INDENT-ON* */
-
-VLIB_NODE_FN (ip6_geneve_bypass_node) (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame)
-{
- return ip_geneve_bypass_inline (vm, node, frame, /* is_ip4 */ 0);
-}
-
-/* *INDENT-OFF* */
-VLIB_REGISTER_NODE (ip6_geneve_bypass_node) =
-{
- .name = "ip6-geneve-bypass",
- .vector_size = sizeof (u32),
- .n_next_nodes = IP_GENEVE_BYPASS_N_NEXT,
- .next_nodes =
- {
- [IP_GENEVE_BYPASS_NEXT_DROP] = "error-drop",
- [IP_GENEVE_BYPASS_NEXT_GENEVE] = "geneve6-input",
- },
- .format_buffer = format_ip6_header,
- .format_trace = format_ip6_forward_next_trace,
-};
-/* *INDENT-ON* */
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */