#include <vppinfra/bihash_template.c>
#endif
#include <vnet/ip/ip6_forward.h>
+#include <vnet/interface_output.h>
/* Flag used by IOAM code. Classifier sets it pop-hop-by-hop checks it */
#define OI_DECAP 0x80000000
vlib_frame_t * frame)
{
vlib_combined_counter_main_t *cm = &load_balance_main.lbm_via_counters;
- u32 n_left_from, n_left_to_next, *from, *to_next;
- ip_lookup_next_t next;
+ u32 n_left, *from;
u32 thread_index = vm->thread_index;
ip6_main_t *im = &ip6_main;
+ vlib_buffer_t *bufs[VLIB_FRAME_SIZE], **b = bufs;
+ u16 nexts[VLIB_FRAME_SIZE], *next;
from = vlib_frame_vector_args (frame);
- n_left_from = frame->n_vectors;
- next = node->cached_next_index;
+ n_left = frame->n_vectors;
+ next = nexts;
- while (n_left_from > 0)
- {
- vlib_get_next_frame (vm, node, next, to_next, n_left_to_next);
+ vlib_get_buffers (vm, from, bufs, n_left);
+ while (n_left >= 4)
+ {
+ const load_balance_t *lb0, *lb1;
+ const ip6_header_t *ip0, *ip1;
+ u32 lbi0, hc0, lbi1, hc1;
+ const dpo_id_t *dpo0, *dpo1;
- while (n_left_from >= 4 && n_left_to_next >= 2)
+ /* Prefetch next iteration. */
+ {
+ vlib_prefetch_buffer_header (b[2], STORE);
+ vlib_prefetch_buffer_header (b[3], STORE);
+
+ CLIB_PREFETCH (b[2]->data, sizeof (ip0[0]), STORE);
+ CLIB_PREFETCH (b[3]->data, sizeof (ip0[0]), STORE);
+ }
+
+ ip0 = vlib_buffer_get_current (b[0]);
+ ip1 = vlib_buffer_get_current (b[1]);
+ lbi0 = vnet_buffer (b[0])->ip.adj_index[VLIB_TX];
+ lbi1 = vnet_buffer (b[1])->ip.adj_index[VLIB_TX];
+
+ lb0 = load_balance_get (lbi0);
+ lb1 = load_balance_get (lbi1);
+
+ /*
+ * this node is for via FIBs we can re-use the hash value from the
+ * to node if present.
+ * We don't want to use the same hash value at each level in the recursion
+ * graph as that would lead to polarisation
+ */
+ hc0 = hc1 = 0;
+
+ if (PREDICT_FALSE (lb0->lb_n_buckets > 1))
{
- ip_lookup_next_t next0, next1;
- const load_balance_t *lb0, *lb1;
- vlib_buffer_t *p0, *p1;
- u32 pi0, lbi0, hc0, pi1, lbi1, hc1;
- const ip6_header_t *ip0, *ip1;
- const dpo_id_t *dpo0, *dpo1;
-
- /* Prefetch next iteration. */
- {
- vlib_buffer_t *p2, *p3;
-
- p2 = vlib_get_buffer (vm, from[2]);
- p3 = vlib_get_buffer (vm, from[3]);
-
- vlib_prefetch_buffer_header (p2, STORE);
- vlib_prefetch_buffer_header (p3, STORE);
-
- CLIB_PREFETCH (p2->data, sizeof (ip0[0]), STORE);
- CLIB_PREFETCH (p3->data, sizeof (ip0[0]), STORE);
- }
-
- pi0 = to_next[0] = from[0];
- pi1 = to_next[1] = from[1];
-
- from += 2;
- n_left_from -= 2;
- to_next += 2;
- n_left_to_next -= 2;
-
- p0 = vlib_get_buffer (vm, pi0);
- p1 = vlib_get_buffer (vm, pi1);
-
- ip0 = vlib_buffer_get_current (p0);
- ip1 = vlib_buffer_get_current (p1);
- lbi0 = vnet_buffer (p0)->ip.adj_index[VLIB_TX];
- lbi1 = vnet_buffer (p1)->ip.adj_index[VLIB_TX];
-
- lb0 = load_balance_get (lbi0);
- lb1 = load_balance_get (lbi1);
-
- /*
- * this node is for via FIBs we can re-use the hash value from the
- * to node if present.
- * We don't want to use the same hash value at each level in the recursion
- * graph as that would lead to polarisation
- */
- hc0 = hc1 = 0;
-
- if (PREDICT_FALSE (lb0->lb_n_buckets > 1))
+ if (PREDICT_TRUE (vnet_buffer (b[0])->ip.flow_hash))
{
- if (PREDICT_TRUE (vnet_buffer (p0)->ip.flow_hash))
- {
- hc0 = vnet_buffer (p0)->ip.flow_hash =
- vnet_buffer (p0)->ip.flow_hash >> 1;
- }
- else
- {
- hc0 = vnet_buffer (p0)->ip.flow_hash =
- ip6_compute_flow_hash (ip0, lb0->lb_hash_config);
- }
- dpo0 =
- load_balance_get_fwd_bucket (lb0,
- (hc0 &
- lb0->lb_n_buckets_minus_1));
+ hc0 = vnet_buffer (b[0])->ip.flow_hash =
+ vnet_buffer (b[0])->ip.flow_hash >> 1;
}
else
{
- dpo0 = load_balance_get_bucket_i (lb0, 0);
+ hc0 = vnet_buffer (b[0])->ip.flow_hash =
+ ip6_compute_flow_hash (ip0, lb0->lb_hash_config);
}
- if (PREDICT_FALSE (lb1->lb_n_buckets > 1))
+ dpo0 = load_balance_get_fwd_bucket
+ (lb0, (hc0 & (lb0->lb_n_buckets_minus_1)));
+ }
+ else
+ {
+ dpo0 = load_balance_get_bucket_i (lb0, 0);
+ }
+ if (PREDICT_FALSE (lb1->lb_n_buckets > 1))
+ {
+ if (PREDICT_TRUE (vnet_buffer (b[1])->ip.flow_hash))
{
- if (PREDICT_TRUE (vnet_buffer (p1)->ip.flow_hash))
- {
- hc1 = vnet_buffer (p1)->ip.flow_hash =
- vnet_buffer (p1)->ip.flow_hash >> 1;
- }
- else
- {
- hc1 = vnet_buffer (p1)->ip.flow_hash =
- ip6_compute_flow_hash (ip1, lb1->lb_hash_config);
- }
- dpo1 =
- load_balance_get_fwd_bucket (lb1,
- (hc1 &
- lb1->lb_n_buckets_minus_1));
+ hc1 = vnet_buffer (b[1])->ip.flow_hash =
+ vnet_buffer (b[1])->ip.flow_hash >> 1;
}
else
{
- dpo1 = load_balance_get_bucket_i (lb1, 0);
- }
-
- next0 = dpo0->dpoi_next_node;
- next1 = dpo1->dpoi_next_node;
-
- /* Only process the HBH Option Header if explicitly configured to do so */
- if (PREDICT_FALSE
- (ip0->protocol == IP_PROTOCOL_IP6_HOP_BY_HOP_OPTIONS))
- {
- next0 = (dpo_is_adj (dpo0) && im->hbh_enabled) ?
- (ip_lookup_next_t) IP6_LOOKUP_NEXT_HOP_BY_HOP : next0;
+ hc1 = vnet_buffer (b[1])->ip.flow_hash =
+ ip6_compute_flow_hash (ip1, lb1->lb_hash_config);
}
- /* Only process the HBH Option Header if explicitly configured to do so */
- if (PREDICT_FALSE
- (ip1->protocol == IP_PROTOCOL_IP6_HOP_BY_HOP_OPTIONS))
- {
- next1 = (dpo_is_adj (dpo1) && im->hbh_enabled) ?
- (ip_lookup_next_t) IP6_LOOKUP_NEXT_HOP_BY_HOP : next1;
- }
-
- vnet_buffer (p0)->ip.adj_index[VLIB_TX] = dpo0->dpoi_index;
- vnet_buffer (p1)->ip.adj_index[VLIB_TX] = dpo1->dpoi_index;
+ dpo1 = load_balance_get_fwd_bucket
+ (lb1, (hc1 & (lb1->lb_n_buckets_minus_1)));
+ }
+ else
+ {
+ dpo1 = load_balance_get_bucket_i (lb1, 0);
+ }
- vlib_increment_combined_counter
- (cm, thread_index, lbi0, 1, vlib_buffer_length_in_chain (vm, p0));
- vlib_increment_combined_counter
- (cm, thread_index, lbi1, 1, vlib_buffer_length_in_chain (vm, p1));
+ next[0] = dpo0->dpoi_next_node;
+ next[1] = dpo1->dpoi_next_node;
- vlib_validate_buffer_enqueue_x2 (vm, node, next,
- to_next, n_left_to_next,
- pi0, pi1, next0, next1);
+ /* Only process the HBH Option Header if explicitly configured to do so */
+ if (PREDICT_FALSE (ip0->protocol == IP_PROTOCOL_IP6_HOP_BY_HOP_OPTIONS))
+ {
+ next[0] = (dpo_is_adj (dpo0) && im->hbh_enabled) ?
+ (ip_lookup_next_t) IP6_LOOKUP_NEXT_HOP_BY_HOP : next[0];
}
-
- while (n_left_from > 0 && n_left_to_next > 0)
+ /* Only process the HBH Option Header if explicitly configured to do so */
+ if (PREDICT_FALSE (ip1->protocol == IP_PROTOCOL_IP6_HOP_BY_HOP_OPTIONS))
{
- ip_lookup_next_t next0;
- const load_balance_t *lb0;
- vlib_buffer_t *p0;
- u32 pi0, lbi0, hc0;
- const ip6_header_t *ip0;
- const dpo_id_t *dpo0;
+ next[1] = (dpo_is_adj (dpo1) && im->hbh_enabled) ?
+ (ip_lookup_next_t) IP6_LOOKUP_NEXT_HOP_BY_HOP : next[1];
+ }
- pi0 = from[0];
- to_next[0] = pi0;
- from += 1;
- to_next += 1;
- n_left_to_next -= 1;
- n_left_from -= 1;
+ vnet_buffer (b[0])->ip.adj_index[VLIB_TX] = dpo0->dpoi_index;
+ vnet_buffer (b[1])->ip.adj_index[VLIB_TX] = dpo1->dpoi_index;
- p0 = vlib_get_buffer (vm, pi0);
+ vlib_increment_combined_counter
+ (cm, thread_index, lbi0, 1, vlib_buffer_length_in_chain (vm, b[0]));
+ vlib_increment_combined_counter
+ (cm, thread_index, lbi1, 1, vlib_buffer_length_in_chain (vm, b[1]));
- ip0 = vlib_buffer_get_current (p0);
- lbi0 = vnet_buffer (p0)->ip.adj_index[VLIB_TX];
+ b += 2;
+ next += 2;
+ n_left -= 2;
+ }
+
+ while (n_left > 0)
+ {
+ const load_balance_t *lb0;
+ const ip6_header_t *ip0;
+ const dpo_id_t *dpo0;
+ u32 lbi0, hc0;
+
+ ip0 = vlib_buffer_get_current (b[0]);
+ lbi0 = vnet_buffer (b[0])->ip.adj_index[VLIB_TX];
- lb0 = load_balance_get (lbi0);
+ lb0 = load_balance_get (lbi0);
- hc0 = 0;
- if (PREDICT_FALSE (lb0->lb_n_buckets > 1))
+ hc0 = 0;
+ if (PREDICT_FALSE (lb0->lb_n_buckets > 1))
+ {
+ if (PREDICT_TRUE (vnet_buffer (b[0])->ip.flow_hash))
{
- if (PREDICT_TRUE (vnet_buffer (p0)->ip.flow_hash))
- {
- hc0 = vnet_buffer (p0)->ip.flow_hash =
- vnet_buffer (p0)->ip.flow_hash >> 1;
- }
- else
- {
- hc0 = vnet_buffer (p0)->ip.flow_hash =
- ip6_compute_flow_hash (ip0, lb0->lb_hash_config);
- }
- dpo0 =
- load_balance_get_fwd_bucket (lb0,
- (hc0 &
- lb0->lb_n_buckets_minus_1));
+ hc0 = vnet_buffer (b[0])->ip.flow_hash =
+ vnet_buffer (b[0])->ip.flow_hash >> 1;
}
else
{
- dpo0 = load_balance_get_bucket_i (lb0, 0);
- }
-
- next0 = dpo0->dpoi_next_node;
- vnet_buffer (p0)->ip.adj_index[VLIB_TX] = dpo0->dpoi_index;
-
- /* Only process the HBH Option Header if explicitly configured to do so */
- if (PREDICT_FALSE
- (ip0->protocol == IP_PROTOCOL_IP6_HOP_BY_HOP_OPTIONS))
- {
- next0 = (dpo_is_adj (dpo0) && im->hbh_enabled) ?
- (ip_lookup_next_t) IP6_LOOKUP_NEXT_HOP_BY_HOP : next0;
+ hc0 = vnet_buffer (b[0])->ip.flow_hash =
+ ip6_compute_flow_hash (ip0, lb0->lb_hash_config);
}
+ dpo0 = load_balance_get_fwd_bucket
+ (lb0, (hc0 & (lb0->lb_n_buckets_minus_1)));
+ }
+ else
+ {
+ dpo0 = load_balance_get_bucket_i (lb0, 0);
+ }
- vlib_increment_combined_counter
- (cm, thread_index, lbi0, 1, vlib_buffer_length_in_chain (vm, p0));
+ next[0] = dpo0->dpoi_next_node;
+ vnet_buffer (b[0])->ip.adj_index[VLIB_TX] = dpo0->dpoi_index;
- vlib_validate_buffer_enqueue_x1 (vm, node, next,
- to_next, n_left_to_next,
- pi0, next0);
+ /* Only process the HBH Option Header if explicitly configured to do so */
+ if (PREDICT_FALSE (ip0->protocol == IP_PROTOCOL_IP6_HOP_BY_HOP_OPTIONS))
+ {
+ next[0] = (dpo_is_adj (dpo0) && im->hbh_enabled) ?
+ (ip_lookup_next_t) IP6_LOOKUP_NEXT_HOP_BY_HOP : next[0];
}
- vlib_put_next_frame (vm, node, next, n_left_to_next);
+ vlib_increment_combined_counter
+ (cm, thread_index, lbi0, 1, vlib_buffer_length_in_chain (vm, b[0]));
+
+ b += 1;
+ next += 1;
+ n_left -= 1;
}
+ vlib_buffer_enqueue_to_next (vm, node, from, nexts, frame->n_vectors);
+
if (node->flags & VLIB_NODE_FLAG_TRACE)
ip6_forward_next_trace (vm, node, frame, VLIB_TX);
}
p0 = vlib_get_buffer (vm, p0->next_buffer);
data_this_buffer = vlib_buffer_get_current (p0);
- n_this_buffer = p0->current_length;
+ n_this_buffer = clib_min (p0->current_length, n_bytes_left);
}
sum16 = ~ip_csum_fold (sum0);
};
/* *INDENT-ON* */
-static uword
+always_inline uword
ip6_local_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
vlib_frame_t * frame, int head_of_feature_arc)
{
ip6_main_t *im = &ip6_main;
ip_lookup_main_t *lm = &im->lookup_main;
- ip_local_next_t next_index;
- u32 *from, *to_next, n_left_from, n_left_to_next;
+ u32 *from, n_left_from;
vlib_node_runtime_t *error_node =
vlib_node_get_runtime (vm, ip6_input_node.index);
u8 arc_index = vnet_feat_arc_ip6_local.feature_arc_index;
+ vlib_buffer_t *bufs[VLIB_FRAME_SIZE], **b;
+ u16 nexts[VLIB_FRAME_SIZE], *next;
from = vlib_frame_vector_args (frame);
n_left_from = frame->n_vectors;
- next_index = node->cached_next_index;
if (node->flags & VLIB_NODE_FLAG_TRACE)
ip6_forward_next_trace (vm, node, frame, VLIB_TX);
- while (n_left_from > 0)
- {
- vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next);
+ vlib_get_buffers (vm, from, bufs, n_left_from);
+ b = bufs;
+ next = nexts;
- while (n_left_from >= 4 && n_left_to_next >= 2)
+ while (n_left_from > 2)
+ {
+ /* Prefetch next iteration. */
+ if (n_left_from >= 6)
{
- vlib_buffer_t *p0, *p1;
- ip6_header_t *ip0, *ip1;
- udp_header_t *udp0, *udp1;
- u32 pi0, ip_len0, udp_len0, flags0, next0;
- u32 pi1, ip_len1, udp_len1, flags1, next1;
- i32 len_diff0, len_diff1;
- u8 error0, type0, good_l4_csum0, is_tcp_udp0;
- u8 error1, type1, good_l4_csum1, is_tcp_udp1;
- u32 udp_offset0, udp_offset1;
-
- pi0 = to_next[0] = from[0];
- pi1 = to_next[1] = from[1];
- from += 2;
- n_left_from -= 2;
- to_next += 2;
- n_left_to_next -= 2;
-
- error0 = error1 = IP6_ERROR_UNKNOWN_PROTOCOL;
-
- p0 = vlib_get_buffer (vm, pi0);
- p1 = vlib_get_buffer (vm, pi1);
-
- ip0 = vlib_buffer_get_current (p0);
- ip1 = vlib_buffer_get_current (p1);
-
- if (head_of_feature_arc == 0)
- goto skip_checks;
-
- vnet_buffer (p0)->l3_hdr_offset = p0->current_data;
- vnet_buffer (p1)->l3_hdr_offset = p1->current_data;
-
- type0 = lm->builtin_protocol_by_ip_protocol[ip0->protocol];
- type1 = lm->builtin_protocol_by_ip_protocol[ip1->protocol];
-
- flags0 = p0->flags;
- flags1 = p1->flags;
+ vlib_prefetch_buffer_header (b[4], STORE);
+ vlib_prefetch_buffer_header (b[5], STORE);
+ vlib_prefetch_buffer_data (b[2], LOAD);
+ vlib_prefetch_buffer_data (b[3], LOAD);
+ }
- is_tcp_udp0 = ip6_next_proto_is_tcp_udp (p0, ip0, &udp_offset0);
- is_tcp_udp1 = ip6_next_proto_is_tcp_udp (p1, ip1, &udp_offset1);
+ u8 error[2];
+ error[0] = IP6_ERROR_UNKNOWN_PROTOCOL;
+ error[1] = IP6_ERROR_UNKNOWN_PROTOCOL;
- good_l4_csum0 = (flags0 & VNET_BUFFER_F_L4_CHECKSUM_CORRECT
- || (flags0 & VNET_BUFFER_F_OFFLOAD_TCP_CKSUM
- || flags0 & VNET_BUFFER_F_OFFLOAD_UDP_CKSUM))
- != 0;
- good_l4_csum1 = (flags1 & VNET_BUFFER_F_L4_CHECKSUM_CORRECT
- || (flags1 & VNET_BUFFER_F_OFFLOAD_TCP_CKSUM
- || flags1 & VNET_BUFFER_F_OFFLOAD_UDP_CKSUM))
- != 0;
- len_diff0 = 0;
- len_diff1 = 0;
+ ip6_header_t *ip[2];
+ ip[0] = vlib_buffer_get_current (b[0]);
+ ip[1] = vlib_buffer_get_current (b[1]);
- if (PREDICT_TRUE (is_tcp_udp0))
+ if (head_of_feature_arc)
+ {
+ vnet_buffer (b[0])->l3_hdr_offset = b[0]->current_data;
+ vnet_buffer (b[1])->l3_hdr_offset = b[1]->current_data;
+
+ u8 type[2];
+ type[0] = lm->builtin_protocol_by_ip_protocol[ip[0]->protocol];
+ type[1] = lm->builtin_protocol_by_ip_protocol[ip[1]->protocol];
+
+ u32 flags[2];
+ flags[0] = b[0]->flags;
+ flags[1] = b[1]->flags;
+
+ u32 good_l4_csum[2];
+ good_l4_csum[0] =
+ flags[0] & (VNET_BUFFER_F_L4_CHECKSUM_CORRECT |
+ VNET_BUFFER_F_OFFLOAD_TCP_CKSUM |
+ VNET_BUFFER_F_OFFLOAD_UDP_CKSUM);
+ good_l4_csum[1] =
+ flags[1] & (VNET_BUFFER_F_L4_CHECKSUM_CORRECT |
+ VNET_BUFFER_F_OFFLOAD_TCP_CKSUM |
+ VNET_BUFFER_F_OFFLOAD_UDP_CKSUM);
+
+ u32 udp_offset[2] = { };
+ u8 is_tcp_udp[2];
+ is_tcp_udp[0] =
+ ip6_next_proto_is_tcp_udp (b[0], ip[0], &udp_offset[0]);
+ is_tcp_udp[1] =
+ ip6_next_proto_is_tcp_udp (b[1], ip[1], &udp_offset[1]);
+ i16 len_diff[2] = { 0 };
+ if (PREDICT_TRUE (is_tcp_udp[0]))
{
- udp0 = (udp_header_t *) ((u8 *) ip0 + udp_offset0);
- /* Don't verify UDP checksum for packets with explicit zero checksum. */
- good_l4_csum0 |= type0 == IP_BUILTIN_PROTOCOL_UDP
- && udp0->checksum == 0;
- /* Verify UDP length. */
- if (is_tcp_udp0 == IP_PROTOCOL_UDP)
- {
- ip_len0 = clib_net_to_host_u16 (ip0->payload_length);
- udp_len0 = clib_net_to_host_u16 (udp0->length);
- len_diff0 = ip_len0 - udp_len0;
- }
+ udp_header_t *udp =
+ (udp_header_t *) ((u8 *) ip[0] + udp_offset[0]);
+ good_l4_csum[0] |= type[0] == IP_BUILTIN_PROTOCOL_UDP
+ && udp->checksum == 0;
+ /* optimistically verify UDP length. */
+ u16 ip_len, udp_len;
+ ip_len = clib_net_to_host_u16 (ip[0]->payload_length);
+ udp_len = clib_net_to_host_u16 (udp->length);
+ len_diff[0] = ip_len - udp_len;
}
- if (PREDICT_TRUE (is_tcp_udp1))
+ if (PREDICT_TRUE (is_tcp_udp[1]))
{
- udp1 = (udp_header_t *) ((u8 *) ip1 + udp_offset1);
- /* Don't verify UDP checksum for packets with explicit zero checksum. */
- good_l4_csum1 |= type1 == IP_BUILTIN_PROTOCOL_UDP
- && udp1->checksum == 0;
- /* Verify UDP length. */
- if (is_tcp_udp1 == IP_PROTOCOL_UDP)
- {
- ip_len1 = clib_net_to_host_u16 (ip1->payload_length);
- udp_len1 = clib_net_to_host_u16 (udp1->length);
- len_diff1 = ip_len1 - udp_len1;
- }
+ udp_header_t *udp =
+ (udp_header_t *) ((u8 *) ip[1] + udp_offset[1]);
+ good_l4_csum[1] |= type[1] == IP_BUILTIN_PROTOCOL_UDP
+ && udp->checksum == 0;
+ /* optimistically verify UDP length. */
+ u16 ip_len, udp_len;
+ ip_len = clib_net_to_host_u16 (ip[1]->payload_length);
+ udp_len = clib_net_to_host_u16 (udp->length);
+ len_diff[1] = ip_len - udp_len;
}
- good_l4_csum0 |= type0 == IP_BUILTIN_PROTOCOL_UNKNOWN;
- good_l4_csum1 |= type1 == IP_BUILTIN_PROTOCOL_UNKNOWN;
+ good_l4_csum[0] |= type[0] == IP_BUILTIN_PROTOCOL_UNKNOWN;
+ good_l4_csum[1] |= type[1] == IP_BUILTIN_PROTOCOL_UNKNOWN;
- len_diff0 = type0 == IP_BUILTIN_PROTOCOL_UDP ? len_diff0 : 0;
- len_diff1 = type1 == IP_BUILTIN_PROTOCOL_UDP ? len_diff1 : 0;
+ len_diff[0] = type[0] == IP_BUILTIN_PROTOCOL_UDP ? len_diff[0] : 0;
+ len_diff[1] = type[1] == IP_BUILTIN_PROTOCOL_UDP ? len_diff[1] : 0;
- if (PREDICT_FALSE (type0 != IP_BUILTIN_PROTOCOL_UNKNOWN
- && !good_l4_csum0
- && !(flags0 &
- VNET_BUFFER_F_L4_CHECKSUM_COMPUTED)))
+ u8 need_csum[2];
+ need_csum[0] = type[0] != IP_BUILTIN_PROTOCOL_UNKNOWN
+ && !good_l4_csum[0]
+ && !(flags[0] & VNET_BUFFER_F_L4_CHECKSUM_COMPUTED);
+ need_csum[1] = type[1] != IP_BUILTIN_PROTOCOL_UNKNOWN
+ && !good_l4_csum[1]
+ && !(flags[1] & VNET_BUFFER_F_L4_CHECKSUM_COMPUTED);
+ if (PREDICT_FALSE (need_csum[0]))
{
- flags0 = ip6_tcp_udp_icmp_validate_checksum (vm, p0);
- good_l4_csum0 =
- (flags0 & VNET_BUFFER_F_L4_CHECKSUM_CORRECT) != 0;
+ flags[0] = ip6_tcp_udp_icmp_validate_checksum (vm, b[0]);
+ good_l4_csum[0] = flags[0] & VNET_BUFFER_F_L4_CHECKSUM_CORRECT;
}
- if (PREDICT_FALSE (type1 != IP_BUILTIN_PROTOCOL_UNKNOWN
- && !good_l4_csum1
- && !(flags1 &
- VNET_BUFFER_F_L4_CHECKSUM_COMPUTED)))
+ if (PREDICT_FALSE (need_csum[1]))
{
- flags1 = ip6_tcp_udp_icmp_validate_checksum (vm, p1);
- good_l4_csum1 =
- (flags1 & VNET_BUFFER_F_L4_CHECKSUM_CORRECT) != 0;
+ flags[1] = ip6_tcp_udp_icmp_validate_checksum (vm, b[1]);
+ good_l4_csum[1] = flags[1] & VNET_BUFFER_F_L4_CHECKSUM_CORRECT;
}
- error0 = error1 = IP6_ERROR_UNKNOWN_PROTOCOL;
- error0 = len_diff0 < 0 ? IP6_ERROR_UDP_LENGTH : error0;
- error1 = len_diff1 < 0 ? IP6_ERROR_UDP_LENGTH : error1;
+ error[0] = IP6_ERROR_UNKNOWN_PROTOCOL;
+ error[0] = len_diff[0] < 0 ? IP6_ERROR_UDP_LENGTH : error[0];
+ error[1] = IP6_ERROR_UNKNOWN_PROTOCOL;
+ error[1] = len_diff[1] < 0 ? IP6_ERROR_UDP_LENGTH : error[1];
- ASSERT (IP6_ERROR_UDP_CHECKSUM + IP_BUILTIN_PROTOCOL_UDP ==
- IP6_ERROR_UDP_CHECKSUM);
- ASSERT (IP6_ERROR_UDP_CHECKSUM + IP_BUILTIN_PROTOCOL_ICMP ==
- IP6_ERROR_ICMP_CHECKSUM);
- error0 = (!good_l4_csum0 ? IP6_ERROR_UDP_CHECKSUM + type0 : error0);
- error1 = (!good_l4_csum1 ? IP6_ERROR_UDP_CHECKSUM + type1 : error1);
+ STATIC_ASSERT (IP6_ERROR_UDP_CHECKSUM + IP_BUILTIN_PROTOCOL_UDP ==
+ IP6_ERROR_UDP_CHECKSUM,
+ "Wrong IP6 errors constants");
+ STATIC_ASSERT (IP6_ERROR_UDP_CHECKSUM + IP_BUILTIN_PROTOCOL_ICMP ==
+ IP6_ERROR_ICMP_CHECKSUM,
+ "Wrong IP6 errors constants");
+
+ error[0] =
+ !good_l4_csum[0] ? IP6_ERROR_UDP_CHECKSUM + type[0] : error[0];
+ error[1] =
+ !good_l4_csum[1] ? IP6_ERROR_UDP_CHECKSUM + type[1] : error[1];
/* Drop packets from unroutable hosts. */
/* If this is a neighbor solicitation (ICMP), skip source RPF check */
- if (error0 == IP6_ERROR_UNKNOWN_PROTOCOL &&
- type0 != IP_BUILTIN_PROTOCOL_ICMP &&
- !ip6_address_is_link_local_unicast (&ip0->src_address))
+ u8 unroutable[2];
+ unroutable[0] = error[0] == IP6_ERROR_UNKNOWN_PROTOCOL
+ && type[0] != IP_BUILTIN_PROTOCOL_ICMP
+ && !ip6_address_is_link_local_unicast (&ip[0]->src_address);
+ unroutable[1] = error[1] == IP6_ERROR_UNKNOWN_PROTOCOL
+ && type[1] != IP_BUILTIN_PROTOCOL_ICMP
+ && !ip6_address_is_link_local_unicast (&ip[1]->src_address);
+ if (PREDICT_FALSE (unroutable[0]))
{
- error0 = (!ip6_urpf_loose_check (im, p0, ip0)
- ? IP6_ERROR_SRC_LOOKUP_MISS : error0);
+ error[0] =
+ !ip6_urpf_loose_check (im, b[0],
+ ip[0]) ? IP6_ERROR_SRC_LOOKUP_MISS
+ : error[0];
}
- if (error1 == IP6_ERROR_UNKNOWN_PROTOCOL &&
- type1 != IP_BUILTIN_PROTOCOL_ICMP &&
- !ip6_address_is_link_local_unicast (&ip1->src_address))
+ if (PREDICT_FALSE (unroutable[1]))
{
- error1 = (!ip6_urpf_loose_check (im, p1, ip1)
- ? IP6_ERROR_SRC_LOOKUP_MISS : error1);
+ error[1] =
+ !ip6_urpf_loose_check (im, b[1],
+ ip[1]) ? IP6_ERROR_SRC_LOOKUP_MISS
+ : error[1];
}
- vnet_buffer (p0)->ip.fib_index =
- vnet_buffer (p0)->sw_if_index[VLIB_TX] != ~0 ?
- vnet_buffer (p0)->sw_if_index[VLIB_TX] :
- vnet_buffer (p0)->ip.fib_index;
-
- vnet_buffer (p1)->ip.fib_index =
- vnet_buffer (p1)->sw_if_index[VLIB_TX] != ~0 ?
- vnet_buffer (p1)->sw_if_index[VLIB_TX] :
- vnet_buffer (p1)->ip.fib_index;
-
- skip_checks:
-
- next0 = lm->local_next_by_ip_protocol[ip0->protocol];
- next1 = lm->local_next_by_ip_protocol[ip1->protocol];
-
- next0 =
- error0 != IP6_ERROR_UNKNOWN_PROTOCOL ? IP_LOCAL_NEXT_DROP : next0;
- next1 =
- error1 != IP6_ERROR_UNKNOWN_PROTOCOL ? IP_LOCAL_NEXT_DROP : next1;
-
- p0->error = error_node->errors[error0];
- p1->error = error_node->errors[error1];
-
- if (head_of_feature_arc)
+ vnet_buffer (b[0])->ip.fib_index =
+ vnet_buffer (b[0])->sw_if_index[VLIB_TX] != ~0 ?
+ vnet_buffer (b[0])->sw_if_index[VLIB_TX] :
+ vnet_buffer (b[0])->ip.fib_index;
+ vnet_buffer (b[1])->ip.fib_index =
+ vnet_buffer (b[1])->sw_if_index[VLIB_TX] != ~0 ?
+ vnet_buffer (b[1])->sw_if_index[VLIB_TX] :
+ vnet_buffer (b[1])->ip.fib_index;
+ } /* head_of_feature_arc */
+
+ next[0] = lm->local_next_by_ip_protocol[ip[0]->protocol];
+ next[0] =
+ error[0] != IP6_ERROR_UNKNOWN_PROTOCOL ? IP_LOCAL_NEXT_DROP : next[0];
+ next[1] = lm->local_next_by_ip_protocol[ip[1]->protocol];
+ next[1] =
+ error[1] != IP6_ERROR_UNKNOWN_PROTOCOL ? IP_LOCAL_NEXT_DROP : next[1];
+
+ b[0]->error = error_node->errors[0];
+ b[1]->error = error_node->errors[1];
+
+ if (head_of_feature_arc)
+ {
+ u8 ip6_unknown[2];
+ ip6_unknown[0] = error[0] == (u8) IP6_ERROR_UNKNOWN_PROTOCOL;
+ ip6_unknown[1] = error[1] == (u8) IP6_ERROR_UNKNOWN_PROTOCOL;
+ if (PREDICT_TRUE (ip6_unknown[0]))
{
- if (PREDICT_TRUE (error0 == (u8) IP6_ERROR_UNKNOWN_PROTOCOL))
- vnet_feature_arc_start (arc_index,
- vnet_buffer (p0)->sw_if_index
- [VLIB_RX], &next0, p0);
- if (PREDICT_TRUE (error1 == (u8) IP6_ERROR_UNKNOWN_PROTOCOL))
- vnet_feature_arc_start (arc_index,
- vnet_buffer (p1)->sw_if_index
- [VLIB_RX], &next1, p1);
+ u32 next32 = next[0];
+ vnet_feature_arc_start (arc_index,
+ vnet_buffer (b[0])->sw_if_index
+ [VLIB_RX], &next32, b[0]);
+ next[0] = next32;
+ }
+ if (PREDICT_TRUE (ip6_unknown[1]))
+ {
+ u32 next32 = next[1];
+ vnet_feature_arc_start (arc_index,
+ vnet_buffer (b[1])->sw_if_index
+ [VLIB_RX], &next32, b[1]);
+ next[1] = next32;
}
-
- vlib_validate_buffer_enqueue_x2 (vm, node, next_index,
- to_next, n_left_to_next,
- pi0, pi1, next0, next1);
}
- while (n_left_from > 0 && n_left_to_next > 0)
- {
- vlib_buffer_t *p0;
- ip6_header_t *ip0;
- udp_header_t *udp0;
- u32 pi0, ip_len0, udp_len0, flags0, next0;
- i32 len_diff0;
- u8 error0, type0, good_l4_csum0;
- u32 udp_offset0;
- u8 is_tcp_udp0;
-
- pi0 = to_next[0] = from[0];
- from += 1;
- n_left_from -= 1;
- to_next += 1;
- n_left_to_next -= 1;
-
- error0 = IP6_ERROR_UNKNOWN_PROTOCOL;
-
- p0 = vlib_get_buffer (vm, pi0);
- ip0 = vlib_buffer_get_current (p0);
-
- if (head_of_feature_arc == 0)
- goto skip_check;
+ /* next */
+ b += 2;
+ next += 2;
+ n_left_from -= 2;
+ }
- vnet_buffer (p0)->l3_hdr_offset = p0->current_data;
+ while (n_left_from)
+ {
+ u8 error;
+ error = IP6_ERROR_UNKNOWN_PROTOCOL;
- type0 = lm->builtin_protocol_by_ip_protocol[ip0->protocol];
- flags0 = p0->flags;
- is_tcp_udp0 = ip6_next_proto_is_tcp_udp (p0, ip0, &udp_offset0);
- good_l4_csum0 = (flags0 & VNET_BUFFER_F_L4_CHECKSUM_CORRECT
- || (flags0 & VNET_BUFFER_F_OFFLOAD_TCP_CKSUM
- || flags0 & VNET_BUFFER_F_OFFLOAD_UDP_CKSUM))
- != 0;
+ ip6_header_t *ip;
+ ip = vlib_buffer_get_current (b[0]);
- len_diff0 = 0;
- if (PREDICT_TRUE (is_tcp_udp0))
+ if (head_of_feature_arc)
+ {
+ vnet_buffer (b[0])->l3_hdr_offset = b[0]->current_data;
+ u8 type = lm->builtin_protocol_by_ip_protocol[ip->protocol];
+
+ u32 flags = b[0]->flags;
+ u32 good_l4_csum =
+ flags & (VNET_BUFFER_F_L4_CHECKSUM_CORRECT |
+ VNET_BUFFER_F_OFFLOAD_TCP_CKSUM |
+ VNET_BUFFER_F_OFFLOAD_UDP_CKSUM);
+
+ u32 udp_offset;
+ i16 len_diff = 0;
+ u8 is_tcp_udp = ip6_next_proto_is_tcp_udp (b[0], ip, &udp_offset);
+ if (PREDICT_TRUE (is_tcp_udp))
{
- udp0 = (udp_header_t *) ((u8 *) ip0 + udp_offset0);
- /* Don't verify UDP checksum for packets with explicit zero
- * checksum. */
- good_l4_csum0 |= type0 == IP_BUILTIN_PROTOCOL_UDP
- && udp0->checksum == 0;
- /* Verify UDP length. */
- if (is_tcp_udp0 == IP_PROTOCOL_UDP)
- {
- ip_len0 = clib_net_to_host_u16 (ip0->payload_length);
- udp_len0 = clib_net_to_host_u16 (udp0->length);
- len_diff0 = ip_len0 - udp_len0;
- }
+ udp_header_t *udp = (udp_header_t *) ((u8 *) ip + udp_offset);
+ /* Don't verify UDP checksum for packets with explicit zero checksum. */
+ good_l4_csum |= type == IP_BUILTIN_PROTOCOL_UDP
+ && udp->checksum == 0;
+ /* optimistically verify UDP length. */
+ u16 ip_len, udp_len;
+ ip_len = clib_net_to_host_u16 (ip->payload_length);
+ udp_len = clib_net_to_host_u16 (udp->length);
+ len_diff = ip_len - udp_len;
}
- good_l4_csum0 |= type0 == IP_BUILTIN_PROTOCOL_UNKNOWN;
- len_diff0 = type0 == IP_BUILTIN_PROTOCOL_UDP ? len_diff0 : 0;
+ good_l4_csum |= type == IP_BUILTIN_PROTOCOL_UNKNOWN;
+ len_diff = type == IP_BUILTIN_PROTOCOL_UDP ? len_diff : 0;
- if (PREDICT_FALSE (type0 != IP_BUILTIN_PROTOCOL_UNKNOWN
- && !good_l4_csum0
- && !(flags0 &
- VNET_BUFFER_F_L4_CHECKSUM_COMPUTED)))
+ u8 need_csum = type != IP_BUILTIN_PROTOCOL_UNKNOWN && !good_l4_csum
+ && !(flags & VNET_BUFFER_F_L4_CHECKSUM_COMPUTED);
+ if (PREDICT_FALSE (need_csum))
{
- flags0 = ip6_tcp_udp_icmp_validate_checksum (vm, p0);
- good_l4_csum0 =
- (flags0 & VNET_BUFFER_F_L4_CHECKSUM_CORRECT) != 0;
+ flags = ip6_tcp_udp_icmp_validate_checksum (vm, b[0]);
+ good_l4_csum = flags & VNET_BUFFER_F_L4_CHECKSUM_CORRECT;
}
- error0 = IP6_ERROR_UNKNOWN_PROTOCOL;
- error0 = len_diff0 < 0 ? IP6_ERROR_UDP_LENGTH : error0;
+ error = IP6_ERROR_UNKNOWN_PROTOCOL;
+ error = len_diff < 0 ? IP6_ERROR_UDP_LENGTH : error;
+
+ STATIC_ASSERT (IP6_ERROR_UDP_CHECKSUM + IP_BUILTIN_PROTOCOL_UDP ==
+ IP6_ERROR_UDP_CHECKSUM,
+ "Wrong IP6 errors constants");
+ STATIC_ASSERT (IP6_ERROR_UDP_CHECKSUM + IP_BUILTIN_PROTOCOL_ICMP ==
+ IP6_ERROR_ICMP_CHECKSUM,
+ "Wrong IP6 errors constants");
- ASSERT (IP6_ERROR_UDP_CHECKSUM + IP_BUILTIN_PROTOCOL_UDP ==
- IP6_ERROR_UDP_CHECKSUM);
- ASSERT (IP6_ERROR_UDP_CHECKSUM + IP_BUILTIN_PROTOCOL_ICMP ==
- IP6_ERROR_ICMP_CHECKSUM);
- error0 = (!good_l4_csum0 ? IP6_ERROR_UDP_CHECKSUM + type0 : error0);
+ error = !good_l4_csum ? IP6_ERROR_UDP_CHECKSUM + type : error;
- /* If this is a neighbor solicitation (ICMP), skip src RPF check */
- if (error0 == IP6_ERROR_UNKNOWN_PROTOCOL &&
- type0 != IP_BUILTIN_PROTOCOL_ICMP &&
- !ip6_address_is_link_local_unicast (&ip0->src_address))
+ /* Drop packets from unroutable hosts. */
+ /* If this is a neighbor solicitation (ICMP), skip source RPF check */
+ u8 unroutable = error == IP6_ERROR_UNKNOWN_PROTOCOL
+ && type != IP_BUILTIN_PROTOCOL_ICMP
+ && !ip6_address_is_link_local_unicast (&ip->src_address);
+ if (PREDICT_FALSE (unroutable))
{
- error0 = (!ip6_urpf_loose_check (im, p0, ip0)
- ? IP6_ERROR_SRC_LOOKUP_MISS : error0);
+ error =
+ !ip6_urpf_loose_check (im, b[0],
+ ip) ? IP6_ERROR_SRC_LOOKUP_MISS :
+ error;
}
- vnet_buffer (p0)->ip.fib_index =
- vnet_buffer (p0)->sw_if_index[VLIB_TX] != ~0 ?
- vnet_buffer (p0)->sw_if_index[VLIB_TX] :
- vnet_buffer (p0)->ip.fib_index;
+ vnet_buffer (b[0])->ip.fib_index =
+ vnet_buffer (b[0])->sw_if_index[VLIB_TX] != ~0 ?
+ vnet_buffer (b[0])->sw_if_index[VLIB_TX] :
+ vnet_buffer (b[0])->ip.fib_index;
+ } /* head_of_feature_arc */
- skip_check:
+ next[0] = lm->local_next_by_ip_protocol[ip->protocol];
+ next[0] =
+ error != IP6_ERROR_UNKNOWN_PROTOCOL ? IP_LOCAL_NEXT_DROP : next[0];
- next0 = lm->local_next_by_ip_protocol[ip0->protocol];
- next0 =
- error0 != IP6_ERROR_UNKNOWN_PROTOCOL ? IP_LOCAL_NEXT_DROP : next0;
+ b[0]->error = error_node->errors[0];
- p0->error = error_node->errors[error0];
-
- if (head_of_feature_arc)
+ if (head_of_feature_arc)
+ {
+ if (PREDICT_TRUE (error == (u8) IP6_ERROR_UNKNOWN_PROTOCOL))
{
- if (PREDICT_TRUE (error0 == (u8) IP6_ERROR_UNKNOWN_PROTOCOL))
- vnet_feature_arc_start (arc_index,
- vnet_buffer (p0)->sw_if_index
- [VLIB_RX], &next0, p0);
+ u32 next32 = next[0];
+ vnet_feature_arc_start (arc_index,
+ vnet_buffer (b[0])->sw_if_index
+ [VLIB_RX], &next32, b[0]);
+ next[0] = next32;
}
-
- vlib_validate_buffer_enqueue_x1 (vm, node, next_index,
- to_next, n_left_to_next,
- pi0, next0);
}
- vlib_put_next_frame (vm, node, next_index, n_left_to_next);
+ /* next */
+ b += 1;
+ next += 1;
+ n_left_from -= 1;
}
+ vlib_buffer_enqueue_to_next (vm, node, from, nexts, frame->n_vectors);
return frame->n_vectors;
}
vlib_node_add_next (vm, ip6_local_node.index, node_index);
}
+void
+ip6_unregister_protocol (u32 protocol)
+{
+ ip6_main_t *im = &ip6_main;
+ ip_lookup_main_t *lm = &im->lookup_main;
+
+ ASSERT (protocol < ARRAY_LEN (lm->local_next_by_ip_protocol));
+ lm->local_next_by_ip_protocol[protocol] = IP_LOCAL_NEXT_PUNT;
+}
+
clib_error_t *
ip6_probe_neighbor (vlib_main_t * vm, ip6_address_t * dst, u32 sw_if_index,
u8 refresh)
}
always_inline uword
-ip6_rewrite_inline (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame,
- int do_counters, int is_midchain, int is_mcast)
+ip6_rewrite_inline_with_gso (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * frame,
+ int do_counters, int is_midchain, int is_mcast,
+ int do_gso)
{
ip_lookup_main_t *lm = &ip6_main.lookup_main;
u32 *from = vlib_frame_vector_args (frame);
}
/* Check MTU of outgoing interface. */
- ip6_mtu_check (p0, clib_net_to_host_u16 (ip0->payload_length) +
- sizeof (ip6_header_t),
+ u16 ip0_len =
+ clib_net_to_host_u16 (ip0->payload_length) +
+ sizeof (ip6_header_t);
+ u16 ip1_len =
+ clib_net_to_host_u16 (ip1->payload_length) +
+ sizeof (ip6_header_t);
+ if (do_gso && (p0->flags & VNET_BUFFER_F_GSO))
+ ip0_len = gso_mtu_sz (p0);
+ if (do_gso && (p1->flags & VNET_BUFFER_F_GSO))
+ ip1_len = gso_mtu_sz (p1);
+
+
+
+ ip6_mtu_check (p0, ip0_len,
adj0[0].rewrite_header.max_l3_packet_bytes,
is_locally_originated0, &next0, &error0);
- ip6_mtu_check (p1, clib_net_to_host_u16 (ip1->payload_length) +
- sizeof (ip6_header_t),
+ ip6_mtu_check (p1, ip1_len,
adj1[0].rewrite_header.max_l3_packet_bytes,
is_locally_originated1, &next1, &error1);
/* Don't adjust the buffer for hop count issue; icmp-error node
- * wants to see the IP headerr */
+ * wants to see the IP header */
if (PREDICT_TRUE (error0 == IP6_ERROR_NONE))
{
p0->current_data -= rw_len0;
vnet_feature_arc_start (lm->output_feature_arc_index,
tx_sw_if_index0, &next0, p0);
}
+ else
+ {
+ p0->error = error_node->errors[error0];
+ }
if (PREDICT_TRUE (error1 == IP6_ERROR_NONE))
{
p1->current_data -= rw_len1;
vnet_feature_arc_start (lm->output_feature_arc_index,
tx_sw_if_index1, &next1, p1);
}
+ else
+ {
+ p1->error = error_node->errors[error1];
+ }
+
+ if (is_midchain)
+ {
+ /* before we paint on the next header, update the L4
+ * checksums if required, since there's no offload on a tunnel */
+ calc_checksums (vm, p0);
+ calc_checksums (vm, p1);
+ }
/* Guess we are only writing on simple Ethernet header. */
vnet_rewrite_two_headers (adj0[0], adj1[0],
if (is_midchain)
{
- adj0->sub_type.midchain.fixup_func
- (vm, adj0, p0, adj0->sub_type.midchain.fixup_data);
- adj1->sub_type.midchain.fixup_func
- (vm, adj1, p1, adj1->sub_type.midchain.fixup_data);
+ if (adj0->sub_type.midchain.fixup_func)
+ adj0->sub_type.midchain.fixup_func
+ (vm, adj0, p0, adj0->sub_type.midchain.fixup_data);
+ if (adj1->sub_type.midchain.fixup_func)
+ adj1->sub_type.midchain.fixup_func
+ (vm, adj1, p1, adj1->sub_type.midchain.fixup_data);
}
if (is_mcast)
{
p0->flags &= ~VNET_BUFFER_F_LOCALLY_ORIGINATED;
}
+ if (is_midchain)
+ {
+ calc_checksums (vm, p0);
+ }
+
/* Guess we are only writing on simple Ethernet header. */
vnet_rewrite_one_header (adj0[0], ip0, sizeof (ethernet_header_t));
}
/* Check MTU of outgoing interface. */
- ip6_mtu_check (p0, clib_net_to_host_u16 (ip0->payload_length) +
- sizeof (ip6_header_t),
+ u16 ip0_len =
+ clib_net_to_host_u16 (ip0->payload_length) +
+ sizeof (ip6_header_t);
+ if (do_gso && (p0->flags & VNET_BUFFER_F_GSO))
+ ip0_len = gso_mtu_sz (p0);
+
+ ip6_mtu_check (p0, ip0_len,
adj0[0].rewrite_header.max_l3_packet_bytes,
is_locally_originated0, &next0, &error0);
vnet_feature_arc_start (lm->output_feature_arc_index,
tx_sw_if_index0, &next0, p0);
}
+ else
+ {
+ p0->error = error_node->errors[error0];
+ }
if (is_midchain)
{
- adj0->sub_type.midchain.fixup_func
- (vm, adj0, p0, adj0->sub_type.midchain.fixup_data);
+ if (adj0->sub_type.midchain.fixup_func)
+ adj0->sub_type.midchain.fixup_func
+ (vm, adj0, p0, adj0->sub_type.midchain.fixup_data);
}
if (is_mcast)
{
(u8 *) ip0);
}
- p0->error = error_node->errors[error0];
-
from += 1;
n_left_from -= 1;
to_next += 1;
return frame->n_vectors;
}
+always_inline uword
+ip6_rewrite_inline (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * frame,
+ int do_counters, int is_midchain, int is_mcast)
+{
+ vnet_main_t *vnm = vnet_get_main ();
+ if (PREDICT_FALSE (vnm->interface_main.gso_interface_count > 0))
+ return ip6_rewrite_inline_with_gso (vm, node, frame, do_counters,
+ is_midchain, is_mcast,
+ 1 /* do_gso */ );
+ else
+ return ip6_rewrite_inline_with_gso (vm, node, frame, do_counters,
+ is_midchain, is_mcast,
+ 0 /* no do_gso */ );
+}
+
VLIB_NODE_FN (ip6_rewrite_node) (vlib_main_t * vm,
vlib_node_runtime_t * node,
vlib_frame_t * frame)
/*
* Hop-by-Hop handling
*/
+#ifndef CLIB_MARCH_VARIANT
ip6_hop_by_hop_main_t ip6_hop_by_hop_main;
+#endif /* CLIB_MARCH_VARIANT */
#define foreach_ip6_hop_by_hop_error \
_(PROCESSED, "pkts with ip6 hop-by-hop options") \
u8 option_data[256];
} ip6_hop_by_hop_trace_t;
-vlib_node_registration_t ip6_hop_by_hop_node;
+extern vlib_node_registration_t ip6_hop_by_hop_node;
static char *ip6_hop_by_hop_error_strings[] = {
#define _(sym,string) string,
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