L2INPUT_N_NEXT,
} l2input_next_t;
-static_always_inline u32
-l2_input_classiy_unicast (vlib_buffer_t * b, const ethernet_header_t * h0)
-{
- u32 feat_mask = ~0;
- u8 *l3h0 = (u8 *) h0 + vnet_buffer (b)->l2.l2_len;
-
-#define get_u16(addr) ( *((u16 *)(addr)) )
- u16 ethertype = clib_net_to_host_u16 (get_u16 (l3h0 - 2));
- u8 protocol = ((ip6_header_t *) l3h0)->protocol;
-
- /* Disable bridge forwarding (flooding will execute instead if not xconnect) */
- feat_mask &= ~(L2INPUT_FEAT_FWD |
- L2INPUT_FEAT_UU_FLOOD | L2INPUT_FEAT_GBP_FWD);
-
- /* Disable ARP-term for non-ARP and non-ICMP6 packet */
- if (ethertype != ETHERNET_TYPE_ARP &&
- (ethertype != ETHERNET_TYPE_IP6 || protocol != IP_PROTOCOL_ICMP6))
- feat_mask &= ~(L2INPUT_FEAT_ARP_TERM);
-
- /*
- * For packet from BVI - set SHG of ARP request or ICMPv6 neighbor
- * solicitation packet from BVI to 0 so it can also flood to VXLAN
- * tunnels or other ports with the same SHG as that of the BVI.
- */
- else if (PREDICT_FALSE (vnet_buffer (b)->sw_if_index[VLIB_TX] ==
- L2INPUT_BVI))
- {
- if (ethertype == ETHERNET_TYPE_ARP)
- {
- ethernet_arp_header_t *arp0 = (ethernet_arp_header_t *) l3h0;
- if (arp0->opcode ==
- clib_host_to_net_u16 (ETHERNET_ARP_OPCODE_request))
- vnet_buffer (b)->l2.shg = 0;
- }
- else /* must be ICMPv6 */
- {
- ip6_header_t *iph0 = (ip6_header_t *) l3h0;
- icmp6_neighbor_solicitation_or_advertisement_header_t *ndh0;
- ndh0 = ip6_next_header (iph0);
- if (ndh0->icmp.type == ICMP6_neighbor_solicitation)
- vnet_buffer (b)->l2.shg = 0;
- }
- }
-
- return (feat_mask);
-}
static_always_inline void
-l2_input_classify_bridge (l2_bridge_domain_t * bd_config,
- u16 bd_index,
- u32 sw_if_index, vlib_buffer_t * b, u32 * feat_mask)
-{
- /* save BD ID for next feature graph nodes */
- vnet_buffer (b)->l2.bd_index = bd_index;
-
- /* Save bridge domain and interface seq_num */
- /* *INDENT-OFF* */
- l2fib_seq_num_t sn = {
- .swif = *l2fib_swif_seq_num(sw_if_index),
- .bd = bd_config->seq_num,
- };
- /* *INDENT-ON* */
- vnet_buffer (b)->l2.l2fib_sn = sn.as_u16;;
- vnet_buffer (b)->l2.bd_age = bd_config->mac_age;
-
- /*
- * Process bridge domain feature enables.
- * To perform learning/flooding/forwarding, the corresponding bit
- * must be enabled in both the input interface config and in the
- * bridge domain config. In the bd_bitmap, bits for features other
- * than learning/flooding/forwarding should always be set.
- */
- *feat_mask = *feat_mask & bd_config->feature_bitmap;
-}
-
-static_always_inline void
-classify_and_dispatch (l2input_main_t * msm,
- u16 n_left,
- u32 sw_if_index, vlib_buffer_t ** b, u16 * next)
+classify_and_dispatch (l2input_main_t * msm, vlib_buffer_t * b0, u32 * next0)
{
/*
* Load L2 input feature struct
* set tx sw-if-handle
*/
- l2_input_config_t *config;
+ u32 feat_mask = ~0;
+ u32 sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_RX];
+ ethernet_header_t *h0 = vlib_buffer_get_current (b0);
/* Get config for the input interface */
- config = vec_elt_at_index (msm->configs, sw_if_index);
+ l2_input_config_t *config = vec_elt_at_index (msm->configs, sw_if_index0);
- while (n_left > 8)
+ /* Save split horizon group */
+ vnet_buffer (b0)->l2.shg = config->shg;
+
+ /* determine layer2 kind for stat and mask */
+ if (PREDICT_FALSE (ethernet_address_cast (h0->dst_address)))
{
- const ethernet_header_t *h0, *h1, *h2, *h3;
- u32 fm0, fm1, fm2, fm3;
- u32 fb0, fb1, fb2, fb3;
+ u8 *l3h0 = (u8 *) h0 + vnet_buffer (b0)->l2.l2_len;
- if (n_left >= 4)
- {
- vlib_prefetch_buffer_header (b[0], LOAD);
- vlib_prefetch_buffer_header (b[1], LOAD);
- vlib_prefetch_buffer_header (b[2], LOAD);
- vlib_prefetch_buffer_header (b[3], LOAD);
- }
+#define get_u16(addr) ( *((u16 *)(addr)) )
+ u16 ethertype = clib_net_to_host_u16 (get_u16 (l3h0 - 2));
+ u8 protocol = ((ip6_header_t *) l3h0)->protocol;
- fm0 = fm1 = fm2 = fm3 = ~0;
- h0 = vlib_buffer_get_current (b[0]);
- h1 = vlib_buffer_get_current (b[1]);
- h2 = vlib_buffer_get_current (b[2]);
- h3 = vlib_buffer_get_current (b[3]);
+ /* Disable bridge forwarding (flooding will execute instead if not xconnect) */
+ feat_mask &= ~(L2INPUT_FEAT_FWD |
+ L2INPUT_FEAT_UU_FLOOD |
+ L2INPUT_FEAT_UU_FWD | L2INPUT_FEAT_GBP_FWD);
- /* Save split horizon group */
- vnet_buffer (b[0])->l2.shg = config->shg;
- vnet_buffer (b[1])->l2.shg = config->shg;
- vnet_buffer (b[2])->l2.shg = config->shg;
- vnet_buffer (b[3])->l2.shg = config->shg;
+ /* Disable ARP-term for non-ARP and non-ICMP6 packet */
+ if (ethertype != ETHERNET_TYPE_ARP &&
+ (ethertype != ETHERNET_TYPE_IP6 || protocol != IP_PROTOCOL_ICMP6))
+ feat_mask &= ~(L2INPUT_FEAT_ARP_TERM);
- /* determine layer2 kind for stat and mask */
- if (PREDICT_FALSE (ethernet_address_cast (h0->dst_address)))
- {
- fm0 = l2_input_classiy_unicast (b[0], h0);
- }
- else
- {
- if (PREDICT_FALSE (sw_if_index == L2INPUT_BVI))
- vnet_buffer (b[0])->l2.shg = 0;
- }
- if (PREDICT_FALSE (ethernet_address_cast (h1->dst_address)))
- {
- fm1 = l2_input_classiy_unicast (b[1], h1);
- }
- else
- {
- if (PREDICT_FALSE (sw_if_index == L2INPUT_BVI))
- vnet_buffer (b[1])->l2.shg = 0;
- }
- if (PREDICT_FALSE (ethernet_address_cast (h2->dst_address)))
- {
- fm2 = l2_input_classiy_unicast (b[2], h2);
- }
- else
- {
- if (PREDICT_FALSE (sw_if_index == L2INPUT_BVI))
- vnet_buffer (b[1])->l2.shg = 0;
- }
- if (PREDICT_FALSE (ethernet_address_cast (h3->dst_address)))
- {
- fm3 = l2_input_classiy_unicast (b[3], h3);
- }
- else
- {
- if (PREDICT_FALSE (sw_if_index == L2INPUT_BVI))
- vnet_buffer (b[1])->l2.shg = 0;
- }
-
- if (config->bridge)
- {
- /* Do bridge-domain processing */
- l2_bridge_domain_t *bd_config;
- u16 bd_index;
-
- bd_index = config->bd_index;
- bd_config = vec_elt_at_index (msm->bd_configs, bd_index);
-
- l2_input_classify_bridge (bd_config, bd_index, sw_if_index,
- b[0], &fm0);
- l2_input_classify_bridge (bd_config, bd_index, sw_if_index,
- b[1], &fm1);
- l2_input_classify_bridge (bd_config, bd_index, sw_if_index,
- b[2], &fm2);
- l2_input_classify_bridge (bd_config, bd_index, sw_if_index,
- b[3], &fm3);
- }
- else if (config->xconnect)
- {
- /* Set the output interface */
- vnet_buffer (b[0])->sw_if_index[VLIB_TX] =
- config->output_sw_if_index;
- vnet_buffer (b[1])->sw_if_index[VLIB_TX] =
- config->output_sw_if_index;
- vnet_buffer (b[2])->sw_if_index[VLIB_TX] =
- config->output_sw_if_index;
- vnet_buffer (b[3])->sw_if_index[VLIB_TX] =
- config->output_sw_if_index;
- }
- else
+ /*
+ * For packet from BVI - set SHG of ARP request or ICMPv6 neighbor
+ * solicitation packet from BVI to 0 so it can also flood to VXLAN
+ * tunnels or other ports with the same SHG as that of the BVI.
+ */
+ else if (PREDICT_FALSE (vnet_buffer (b0)->sw_if_index[VLIB_TX] ==
+ L2INPUT_BVI))
{
- fm0 = L2INPUT_FEAT_DROP;
- fm1 = L2INPUT_FEAT_DROP;
- fm2 = L2INPUT_FEAT_DROP;
- fm3 = L2INPUT_FEAT_DROP;
+ if (ethertype == ETHERNET_TYPE_ARP)
+ {
+ ethernet_arp_header_t *arp0 = (ethernet_arp_header_t *) l3h0;
+ if (arp0->opcode ==
+ clib_host_to_net_u16 (ETHERNET_ARP_OPCODE_request))
+ vnet_buffer (b0)->l2.shg = 0;
+ }
+ else /* must be ICMPv6 */
+ {
+ ip6_header_t *iph0 = (ip6_header_t *) l3h0;
+ icmp6_neighbor_solicitation_or_advertisement_header_t *ndh0;
+ ndh0 = ip6_next_header (iph0);
+ if (ndh0->icmp.type == ICMP6_neighbor_solicitation)
+ vnet_buffer (b0)->l2.shg = 0;
+ }
}
-
- /* mask out features from bitmap using packet type and bd config */
- fb0 = config->feature_bitmap & fm0;
- fb1 = config->feature_bitmap & fm1;
- fb2 = config->feature_bitmap & fm2;
- fb3 = config->feature_bitmap & fm3;
-
- /* save for next feature graph nodes */
- vnet_buffer (b[0])->l2.feature_bitmap = fb0;
- vnet_buffer (b[1])->l2.feature_bitmap = fb1;
- vnet_buffer (b[2])->l2.feature_bitmap = fb2;
- vnet_buffer (b[3])->l2.feature_bitmap = fb3;
-
- /* Determine the next node */
- *next = feat_bitmap_get_next_node_index (msm->feat_next_node_index,
- fb0);
- next++;
- *next = feat_bitmap_get_next_node_index (msm->feat_next_node_index,
- fb1);
- next++;
- *next = feat_bitmap_get_next_node_index (msm->feat_next_node_index,
- fb2);
- next++;
- *next = feat_bitmap_get_next_node_index (msm->feat_next_node_index,
- fb3);
- next++;
-
- b += 4;
- n_left -= 4;
}
- while (n_left)
+ else
{
- const ethernet_header_t *h0;
- u32 fm0, fb0;
-
- fm0 = ~0;
- h0 = vlib_buffer_get_current (b[0]);
+ /*
+ * For packet from BVI - set SHG of unicast packet from BVI to 0 so it
+ * is not dropped on output to VXLAN tunnels or other ports with the
+ * same SHG as that of the BVI.
+ */
+ if (PREDICT_FALSE (vnet_buffer (b0)->sw_if_index[VLIB_TX] ==
+ L2INPUT_BVI))
+ vnet_buffer (b0)->l2.shg = 0;
+ }
- /* Save split horizon group */
- vnet_buffer (b[0])->l2.shg = config->shg;
- /* determine layer2 kind for stat and mask */
- if (PREDICT_FALSE (ethernet_address_cast (h0->dst_address)))
- {
- fm0 = l2_input_classiy_unicast (b[0], h0);
- }
- else
- {
- /*
- * For packet from BVI - set SHG of unicast packet from BVI to 0 so it
- * is not dropped on output to VXLAN tunnels or other ports with the
- * same SHG as that of the BVI.
- */
- if (PREDICT_FALSE (sw_if_index == L2INPUT_BVI))
- vnet_buffer (b[0])->l2.shg = 0;
- }
+ if (config->bridge)
+ {
+ /* Do bridge-domain processing */
+ u16 bd_index0 = config->bd_index;
+ /* save BD ID for next feature graph nodes */
+ vnet_buffer (b0)->l2.bd_index = bd_index0;
- if (config->bridge)
- {
- /* Do bridge-domain processing */
- u16 bd_index = config->bd_index;
- l2_bridge_domain_t *bd_config =
- vec_elt_at_index (msm->bd_configs, bd_index);
+ /* Get config for the bridge domain interface */
+ l2_bridge_domain_t *bd_config =
+ vec_elt_at_index (msm->bd_configs, bd_index0);
- l2_input_classify_bridge (bd_config, bd_index, sw_if_index,
- b[0], &fm0);
- }
- else if (config->xconnect)
- {
- /* Set the output interface */
- vnet_buffer (b[0])->sw_if_index[VLIB_TX] =
- config->output_sw_if_index;
- }
- else
- fm0 = L2INPUT_FEAT_DROP;
+ /* Save bridge domain and interface seq_num */
+ /* *INDENT-OFF* */
+ l2fib_seq_num_t sn = {
+ .swif = *l2fib_swif_seq_num(sw_if_index0),
+ .bd = bd_config->seq_num,
+ };
+ /* *INDENT-ON* */
+ vnet_buffer (b0)->l2.l2fib_sn = sn.as_u16;;
+ vnet_buffer (b0)->l2.bd_age = bd_config->mac_age;
- /* mask out features from bitmap using packet type and bd config */
- fb0 = config->feature_bitmap & fm0;
+ /*
+ * Process bridge domain feature enables.
+ * To perform learning/flooding/forwarding, the corresponding bit
+ * must be enabled in both the input interface config and in the
+ * bridge domain config. In the bd_bitmap, bits for features other
+ * than learning/flooding/forwarding should always be set.
+ */
+ feat_mask = feat_mask & bd_config->feature_bitmap;
+ }
+ else if (config->xconnect)
+ {
+ /* Set the output interface */
+ vnet_buffer (b0)->sw_if_index[VLIB_TX] = config->output_sw_if_index;
+ }
+ else
+ feat_mask = L2INPUT_FEAT_DROP;
- /* save for next feature graph nodes */
- vnet_buffer (b[0])->l2.feature_bitmap = fb0;
+ /* mask out features from bitmap using packet type and bd config */
+ u32 feature_bitmap = config->feature_bitmap & feat_mask;
- /* Determine the next node */
- *next = feat_bitmap_get_next_node_index (msm->feat_next_node_index,
- fb0);
+ /* save for next feature graph nodes */
+ vnet_buffer (b0)->l2.feature_bitmap = feature_bitmap;
- next += 1;
- b += 1;
- n_left -= 1;
- }
+ /* Determine the next node */
+ *next0 = feat_bitmap_get_next_node_index (msm->feat_next_node_index,
+ feature_bitmap);
}
static_always_inline uword
vlib_node_runtime_t * node, vlib_frame_t * frame,
int do_trace)
{
- u32 n_left, *from;
+ u32 n_left_from, *from, *to_next;
+ l2input_next_t next_index;
l2input_main_t *msm = &l2input_main;
- vlib_buffer_t *bufs[VLIB_FRAME_SIZE], **b;
- u16 nexts[VLIB_FRAME_SIZE];
- u32 sw_if_indices[VLIB_FRAME_SIZE], *sw_if_index;
from = vlib_frame_vector_args (frame);
- n_left = frame->n_vectors; /* number of packets to process */
- vlib_get_buffers (vm, from, bufs, n_left);
- b = bufs;
- sw_if_index = sw_if_indices;
-
- /* extract data from buffer metadata */
- while (n_left >= 8)
- {
- /* Prefetch the buffer header for the N+2 loop iteration */
- vlib_prefetch_buffer_header (b[4], LOAD);
- vlib_prefetch_buffer_header (b[5], LOAD);
- vlib_prefetch_buffer_header (b[6], LOAD);
- vlib_prefetch_buffer_header (b[7], LOAD);
-
- sw_if_index[0] = vnet_buffer (b[0])->sw_if_index[VLIB_RX];
- sw_if_index[1] = vnet_buffer (b[1])->sw_if_index[VLIB_RX];
- sw_if_index[2] = vnet_buffer (b[2])->sw_if_index[VLIB_RX];
- sw_if_index[3] = vnet_buffer (b[3])->sw_if_index[VLIB_RX];
-
- /* next */
- sw_if_index += 4;
- n_left -= 4;
- b += 4;
- }
- while (n_left)
- {
- sw_if_index[0] = vnet_buffer (b[0])->sw_if_index[VLIB_RX];
+ n_left_from = frame->n_vectors; /* number of packets to process */
+ next_index = node->cached_next_index;
- /* next */
- sw_if_index += 1;
- n_left -= 1;
- b += 1;
- }
-
- n_left = frame->n_vectors;
-
- while (n_left)
+ while (n_left_from > 0)
{
- u16 count, *next;
- u16 off = frame->n_vectors - n_left;
- b = bufs + off;
+ u32 n_left_to_next;
- sw_if_index = sw_if_indices + off;
- next = nexts + off;
+ /* get space to enqueue frame to graph node "next_index" */
+ vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next);
- count = clib_count_equal_u32 (sw_if_index, n_left);
- n_left -= count;
+ while (n_left_from >= 8 && n_left_to_next >= 4)
+ {
+ u32 bi0, bi1, bi2, bi3;
+ vlib_buffer_t *b0, *b1, *b2, *b3;
+ u32 next0, next1, next2, next3;
+ u32 sw_if_index0, sw_if_index1, sw_if_index2, sw_if_index3;
+
+ /* Prefetch next iteration. */
+ {
+ vlib_buffer_t *p4, *p5, *p6, *p7;
+
+ p4 = vlib_get_buffer (vm, from[4]);
+ p5 = vlib_get_buffer (vm, from[5]);
+ p6 = vlib_get_buffer (vm, from[6]);
+ p7 = vlib_get_buffer (vm, from[7]);
+
+ /* Prefetch the buffer header and packet for the N+2 loop iteration */
+ vlib_prefetch_buffer_header (p4, LOAD);
+ vlib_prefetch_buffer_header (p5, LOAD);
+ vlib_prefetch_buffer_header (p6, LOAD);
+ vlib_prefetch_buffer_header (p7, LOAD);
+
+ CLIB_PREFETCH (p4->data, CLIB_CACHE_LINE_BYTES, STORE);
+ CLIB_PREFETCH (p5->data, CLIB_CACHE_LINE_BYTES, STORE);
+ CLIB_PREFETCH (p6->data, CLIB_CACHE_LINE_BYTES, STORE);
+ CLIB_PREFETCH (p7->data, CLIB_CACHE_LINE_BYTES, STORE);
+
+ /*
+ * Don't bother prefetching the bridge-domain config (which
+ * depends on the input config above). Only a small number of
+ * bridge domains are expected. Plus the structure is small
+ * and several fit in a cache line.
+ */
+ }
+
+ /* speculatively enqueue b0 and b1 to the current next frame */
+ /* bi is "buffer index", b is pointer to the buffer */
+ to_next[0] = bi0 = from[0];
+ to_next[1] = bi1 = from[1];
+ to_next[2] = bi2 = from[2];
+ to_next[3] = bi3 = from[3];
+ from += 4;
+ to_next += 4;
+ n_left_from -= 4;
+ n_left_to_next -= 4;
+
+ b0 = vlib_get_buffer (vm, bi0);
+ b1 = vlib_get_buffer (vm, bi1);
+ b2 = vlib_get_buffer (vm, bi2);
+ b3 = vlib_get_buffer (vm, bi3);
+
+ if (do_trace)
+ {
+ /* RX interface handles */
+ sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_RX];
+ sw_if_index1 = vnet_buffer (b1)->sw_if_index[VLIB_RX];
+ sw_if_index2 = vnet_buffer (b2)->sw_if_index[VLIB_RX];
+ sw_if_index3 = vnet_buffer (b3)->sw_if_index[VLIB_RX];
- classify_and_dispatch (msm, count, sw_if_index[0], b, next);
- }
+ if (b0->flags & VLIB_BUFFER_IS_TRACED)
+ {
+ ethernet_header_t *h0 = vlib_buffer_get_current (b0);
+ l2input_trace_t *t =
+ vlib_add_trace (vm, node, b0, sizeof (*t));
+ t->sw_if_index = sw_if_index0;
+ clib_memcpy (t->src, h0->src_address, 6);
+ clib_memcpy (t->dst, h0->dst_address, 6);
+ }
+ if (b1->flags & VLIB_BUFFER_IS_TRACED)
+ {
+ ethernet_header_t *h1 = vlib_buffer_get_current (b1);
+ l2input_trace_t *t =
+ vlib_add_trace (vm, node, b1, sizeof (*t));
+ t->sw_if_index = sw_if_index1;
+ clib_memcpy (t->src, h1->src_address, 6);
+ clib_memcpy (t->dst, h1->dst_address, 6);
+ }
+ if (b2->flags & VLIB_BUFFER_IS_TRACED)
+ {
+ ethernet_header_t *h2 = vlib_buffer_get_current (b2);
+ l2input_trace_t *t =
+ vlib_add_trace (vm, node, b2, sizeof (*t));
+ t->sw_if_index = sw_if_index2;
+ clib_memcpy (t->src, h2->src_address, 6);
+ clib_memcpy (t->dst, h2->dst_address, 6);
+ }
+ if (b3->flags & VLIB_BUFFER_IS_TRACED)
+ {
+ ethernet_header_t *h3 = vlib_buffer_get_current (b3);
+ l2input_trace_t *t =
+ vlib_add_trace (vm, node, b3, sizeof (*t));
+ t->sw_if_index = sw_if_index3;
+ clib_memcpy (t->src, h3->src_address, 6);
+ clib_memcpy (t->dst, h3->dst_address, 6);
+ }
+ }
- if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE)))
- {
- n_left = frame->n_vectors; /* number of packets to process */
- b = bufs;
+ classify_and_dispatch (msm, b0, &next0);
+ classify_and_dispatch (msm, b1, &next1);
+ classify_and_dispatch (msm, b2, &next2);
+ classify_and_dispatch (msm, b3, &next3);
+
+ /* verify speculative enqueues, maybe switch current next frame */
+ /* if next0==next1==next_index then nothing special needs to be done */
+ vlib_validate_buffer_enqueue_x4 (vm, node, next_index,
+ to_next, n_left_to_next,
+ bi0, bi1, bi2, bi3,
+ next0, next1, next2, next3);
+ }
- while (n_left)
+ while (n_left_from > 0 && n_left_to_next > 0)
{
- if (PREDICT_FALSE (b[0]->flags & VLIB_BUFFER_IS_TRACED))
+ u32 bi0;
+ vlib_buffer_t *b0;
+ u32 next0;
+ u32 sw_if_index0;
+
+ /* speculatively enqueue b0 to the current next frame */
+ bi0 = from[0];
+ to_next[0] = bi0;
+ from += 1;
+ to_next += 1;
+ n_left_from -= 1;
+ n_left_to_next -= 1;
+
+ b0 = vlib_get_buffer (vm, bi0);
+
+ if (do_trace && PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED))
{
- ethernet_header_t *h0 = vlib_buffer_get_current (b[0]);
- l2input_trace_t *t =
- vlib_add_trace (vm, node, b[0], sizeof (*t));
-
- t->sw_if_index = vnet_buffer (b[0])->sw_if_index[VLIB_RX];
+ ethernet_header_t *h0 = vlib_buffer_get_current (b0);
+ l2input_trace_t *t = vlib_add_trace (vm, node, b0, sizeof (*t));
+ sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_RX];
+ t->sw_if_index = sw_if_index0;
clib_memcpy (t->src, h0->src_address, 6);
clib_memcpy (t->dst, h0->dst_address, 6);
}
- /* next */
- n_left--;
- b++;
+
+ classify_and_dispatch (msm, b0, &next0);
+
+ /* verify speculative enqueue, maybe switch current next frame */
+ 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);
}
- vlib_buffer_enqueue_to_next (vm, node, from, nexts, frame->n_vectors);
vlib_node_increment_counter (vm, l2input_node.index,
L2INPUT_ERROR_L2INPUT, frame->n_vectors);
u32 mode, /* One of L2 modes or back to L3 mode */
u32 sw_if_index, /* sw interface index */
u32 bd_index, /* for bridged interface */
- u32 bvi, /* the bridged interface is the BVI */
+ l2_bd_port_type_t port_type, /* port_type */
u32 shg, /* the bridged interface split horizon group */
u32 xc_sw_if_index) /* peer interface for xconnect */
{
si = vnet_get_sw_interface (vnm, sw_if_index);
si->flood_class = VNET_FLOOD_CLASS_NO_FLOOD;
}
+ if (bd_config->uu_fwd_sw_if_index == sw_if_index)
+ {
+ bd_config->uu_fwd_sw_if_index = ~0;
+ bd_config->feature_bitmap &= ~L2INPUT_FEAT_UU_FWD;
+ }
/* Clear MACs learned on the interface */
if ((config->feature_bitmap & L2INPUT_FEAT_LEARN) ||
if (mode == MODE_L2_BRIDGE)
{
+ u8 member_flags;
+
/*
* Remove a check that the interface must be an Ethernet.
* Specifically so we can bridge to L3 tunnel interfaces.
* Enable forwarding, flooding, learning and ARP termination by default
* (note that ARP term is disabled on BD feature bitmap by default)
*/
- config->feature_bitmap |= L2INPUT_FEAT_FWD | L2INPUT_FEAT_UU_FLOOD |
- L2INPUT_FEAT_FLOOD | L2INPUT_FEAT_LEARN | L2INPUT_FEAT_ARP_TERM;
+ config->feature_bitmap |= (L2INPUT_FEAT_FWD |
+ L2INPUT_FEAT_UU_FLOOD |
+ L2INPUT_FEAT_UU_FWD |
+ L2INPUT_FEAT_FLOOD |
+ L2INPUT_FEAT_LEARN |
+ L2INPUT_FEAT_ARP_TERM);
/* Make sure last-chance drop is configured */
config->feature_bitmap |= L2INPUT_FEAT_DROP;
/* TODO: think: add l2fib entry even for non-bvi interface? */
/* Do BVI interface initializations */
- if (bvi)
+ if (L2_BD_PORT_TYPE_BVI == port_type)
{
vnet_sw_interface_t *si;
/* since this is a BVI interface we want to flood to it */
si = vnet_get_sw_interface (vnm, sw_if_index);
si->flood_class = VNET_FLOOD_CLASS_BVI;
+ member_flags = L2_FLOOD_MEMBER_BVI;
+ }
+ else if (L2_BD_PORT_TYPE_UU_FWD == port_type)
+ {
+ bd_config->uu_fwd_sw_if_index = sw_if_index;
+ bd_config->feature_bitmap |= L2INPUT_FEAT_UU_FWD;
+ }
+ else
+ {
+ member_flags = L2_FLOOD_MEMBER_NORMAL;
}
- /* Add interface to bridge-domain flood vector */
- l2_flood_member_t member = {
- .sw_if_index = sw_if_index,
- .flags = bvi ? L2_FLOOD_MEMBER_BVI : L2_FLOOD_MEMBER_NORMAL,
- .shg = shg,
- };
- bd_add_member (bd_config, &member);
-
+ if (L2_BD_PORT_TYPE_NORMAL == port_type ||
+ L2_BD_PORT_TYPE_BVI == port_type)
+ {
+ /* Add interface to bridge-domain flood vector */
+ l2_flood_member_t member = {
+ .sw_if_index = sw_if_index,
+ .flags = member_flags,
+ .shg = shg,
+ };
+ bd_add_member (bd_config, &member);
+ }
}
else if (mode == MODE_L2_XC)
{
unformat_input_t * input, vlib_cli_command_t * cmd)
{
vnet_main_t *vnm = vnet_get_main ();
+ l2_bd_port_type_t port_type;
clib_error_t *error = 0;
u32 bd_index, bd_id;
u32 sw_if_index;
- u32 bvi;
u32 rc;
u32 shg;
bd_index = bd_find_or_add_bd_index (&bd_main, bd_id);
/* optional bvi */
- bvi = unformat (input, "bvi");
+ port_type = L2_BD_PORT_TYPE_NORMAL;
+ if (unformat (input, "bvi"))
+ port_type = L2_BD_PORT_TYPE_BVI;
+ if (unformat (input, "uu-fwd"))
+ port_type = L2_BD_PORT_TYPE_UU_FWD;
/* optional split horizon group */
shg = 0;
/* set the interface mode */
if ((rc =
- set_int_l2_mode (vm, vnm, MODE_L2_BRIDGE, sw_if_index, bd_index, bvi,
- shg, 0)))
+ set_int_l2_mode (vm, vnm, MODE_L2_BRIDGE, sw_if_index, bd_index,
+ port_type, shg, 0)))
{
if (rc == MODE_ERROR_ETH)
{
/* *INDENT-OFF* */
VLIB_CLI_COMMAND (int_l2_bridge_cli, static) = {
.path = "set interface l2 bridge",
- .short_help = "set interface l2 bridge <interface> <bridge-domain-id> [bvi] [shg]",
+ .short_help = "set interface l2 bridge <interface> <bridge-domain-id> [bvi|uu-fwd] [shg]",
.function = int_l2_bridge,
};
/* *INDENT-ON* */
/* set the interface mode */
if (set_int_l2_mode
- (vm, vnm, MODE_L2_XC, sw_if_index, 0, 0, 0, xc_sw_if_index))
+ (vm, vnm, MODE_L2_XC, sw_if_index, 0, L2_BD_PORT_TYPE_NORMAL,
+ 0, xc_sw_if_index))
{
error = clib_error_return (0, "invalid configuration for interface",
format_unformat_error, input);
/*?
* Use this command put an interface into Layer 2 cross-connect mode.
- * Both interfaces must be in this mode for bi-directioal traffic. All
+ * Both interfaces must be in this mode for bi-directional traffic. All
* packets received on one interface will be transmitted to the other.
* To remove the Layer 2 cross-connect, put the interface in a different
* mode, for example Layer 3 mode.
}
/* set the interface mode */
- if (set_int_l2_mode (vm, vnm, MODE_L3, sw_if_index, 0, 0, 0, 0))
+ if (set_int_l2_mode (vm, vnm, MODE_L3, sw_if_index, 0,
+ L2_BD_PORT_TYPE_NORMAL, 0, 0))
{
error = clib_error_return (0, "invalid configuration for interface",
format_unformat_error, input);
}
/*?
- * Show the packet processing mode (Layer2 xcross-onnect, Layer 2 bridge,
+ * Show the packet processing mode (Layer2 cross-connect, Layer 2 bridge,
* Layer 3 routed) of all interfaces and sub-interfaces, or limit the
* output to just the provided list of interfaces and sub-interfaces.
* The output shows the mode, the interface, and if the interface is
- * a member of a bridge, the bridge-domain-id and the split horizen group (shg).
+ * a member of a bridge, the bridge-domain-id and the split horizon group (shg).
*
* @cliexpar
* Example of displaying the mode of all interfaces:
* l2 xconnect GigabitEthernet0/8/0.300 GigabitEthernet0/9/0.300
* l2 xconnect GigabitEthernet0/9/0.300 GigabitEthernet0/8/0.300
* @cliexend
- * Example of displaying the mode of a seleted list of interfaces:
+ * Example of displaying the mode of a selected list of interfaces:
* @cliexstart{show mode GigabitEthernet0/8/0 GigabitEthernet0/8/0.200}
* l3 GigabitEthernet0/8/0
* l2 bridge GigabitEthernet0/8/0.200 bd_id 200 shg 0
Code Review / vpp.git / blobdiff