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-rw-r--r--vnet/vnet/vxlan-gpe/decap.c824
1 files changed, 492 insertions, 332 deletions
diff --git a/vnet/vnet/vxlan-gpe/decap.c b/vnet/vnet/vxlan-gpe/decap.c
index 870871e7de6..34bcccd9333 100644
--- a/vnet/vnet/vxlan-gpe/decap.c
+++ b/vnet/vnet/vxlan-gpe/decap.c
@@ -19,6 +19,8 @@
#include <vnet/pg/pg.h>
#include <vnet/vxlan-gpe/vxlan_gpe.h>
+vlib_node_registration_t vxlan_gpe_input_node;
+
typedef struct {
u32 next_index;
u32 tunnel_index;
@@ -32,15 +34,15 @@ static u8 * format_vxlan_gpe_rx_trace (u8 * s, va_list * args)
vxlan_gpe_rx_trace_t * t = va_arg (*args, vxlan_gpe_rx_trace_t *);
if (t->tunnel_index != ~0)
- {
- s = format (s, "VXLAN-GPE: tunnel %d next %d error %d", t->tunnel_index,
- t->next_index, t->error);
- }
+ {
+ s = format (s, "VXLAN-GPE: tunnel %d next %d error %d", t->tunnel_index,
+ t->next_index, t->error);
+ }
else
- {
- s = format (s, "VXLAN-GPE: no tunnel next %d error %d\n", t->next_index,
- t->error);
- }
+ {
+ s = format (s, "VXLAN-GPE: no tunnel next %d error %d\n", t->next_index,
+ t->error);
+ }
return s;
}
@@ -54,22 +56,24 @@ static u8 * format_vxlan_gpe_with_length (u8 * s, va_list * args)
return s;
}
-static uword
+always_inline uword
vxlan_gpe_input (vlib_main_t * vm,
vlib_node_runtime_t * node,
- vlib_frame_t * from_frame)
+ vlib_frame_t * from_frame,
+ u8 is_ip4)
{
- u32 n_left_from, next_index, * from, * to_next;
+ u32 n_left_from, next_index, *from, *to_next;
vxlan_gpe_main_t * ngm = &vxlan_gpe_main;
vnet_main_t * vnm = ngm->vnet_main;
vnet_interface_main_t * im = &vnm->interface_main;
u32 last_tunnel_index = ~0;
- vxlan_gpe_tunnel_key_t last_key;
+ vxlan4_gpe_tunnel_key_t last_key4;
+ vxlan6_gpe_tunnel_key_t last_key6;
u32 pkts_decapsulated = 0;
- u32 cpu_index = os_get_cpu_number();
+ u32 cpu_index = os_get_cpu_number ();
u32 stats_sw_if_index, stats_n_packets, stats_n_bytes;
- memset (&last_key, 0xff, sizeof (last_key));
+ memset (&last_key4, 0xff, sizeof(last_key4));
from = vlib_frame_vector_args (from_frame);
n_left_from = from_frame->n_vectors;
@@ -79,339 +83,458 @@ vxlan_gpe_input (vlib_main_t * vm,
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_vxlan_gpe_header_t * iuvn0, * iuvn1;
- uword * p0, * p1;
- u32 tunnel_index0, tunnel_index1;
- vxlan_gpe_tunnel_t * t0, * t1;
- vxlan_gpe_tunnel_key_t key0, key1;
- u32 error0, error1;
- u32 sw_if_index0, sw_if_index1, len0, len1;
-
- /* 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, LOAD);
- vlib_prefetch_buffer_header (p3, LOAD);
-
- CLIB_PREFETCH (p2->data, 2*CLIB_CACHE_LINE_BYTES, LOAD);
- CLIB_PREFETCH (p3->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 = vlib_get_buffer (vm, bi0);
- b1 = vlib_get_buffer (vm, bi1);
-
- /* udp leaves current_data pointing at the vxlan header */
- 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)));
-
- iuvn0 = vlib_buffer_get_current (b0);
- iuvn1 = vlib_buffer_get_current (b1);
-
- /* pop (ip, udp, vxlan) */
- vlib_buffer_advance (b0, sizeof (*iuvn0));
- vlib_buffer_advance (b1, sizeof (*iuvn1));
-
- tunnel_index0 = ~0;
- tunnel_index1 = ~0;
- error0 = 0;
- error1 = 0;
-
- next0 = (iuvn0->vxlan.protocol < node->n_next_nodes) ? iuvn0->vxlan.protocol : VXLAN_GPE_INPUT_NEXT_DROP;
- next1 = (iuvn1->vxlan.protocol < node->n_next_nodes) ? iuvn1->vxlan.protocol : VXLAN_GPE_INPUT_NEXT_DROP;
-
-
-
-
- key0.local = iuvn0->ip4.dst_address.as_u32;
- key1.local = iuvn1->ip4.dst_address.as_u32;
-
- key0.remote = iuvn0->ip4.src_address.as_u32;
- key1.remote = iuvn1->ip4.src_address.as_u32;
-
- key0.vni = iuvn0->vxlan.vni_res;
- key1.vni = iuvn1->vxlan.vni_res;
-
- key0.pad = 0;
- key1.pad = 0;
-
- /* Processing for key0 */
- if (PREDICT_FALSE ((key0.as_u64[0] != last_key.as_u64[0])
- || (key0.as_u64[1] != last_key.as_u64[1])))
- {
- p0 = hash_get_mem (ngm->vxlan_gpe_tunnel_by_key, &key0);
-
- if (p0 == 0)
- {
- error0 = VXLAN_GPE_ERROR_NO_SUCH_TUNNEL;
- goto trace0;
- }
+ {
+ u32 n_left_to_next;
- last_key.as_u64[0] = key0.as_u64[0];
- last_key.as_u64[1] = key0.as_u64[1];
- tunnel_index0 = last_tunnel_index = p0[0];
- }
- else
- tunnel_index0 = last_tunnel_index;
+ vlib_get_next_frame(vm, node, next_index, to_next, n_left_to_next);
- t0 = pool_elt_at_index (ngm->tunnels, tunnel_index0);
+ while (n_left_from >= 4 && n_left_to_next >= 2)
+ {
+ u32 bi0, bi1;
+ vlib_buffer_t * b0, *b1;
+ u32 next0, next1;
+ ip4_vxlan_gpe_header_t * iuvn4_0, *iuvn4_1;
+ ip6_vxlan_gpe_header_t * iuvn6_0, *iuvn6_1;
+ uword * p0, *p1;
+ u32 tunnel_index0, tunnel_index1;
+ vxlan_gpe_tunnel_t * t0, *t1;
+ vxlan4_gpe_tunnel_key_t key4_0, key4_1;
+ vxlan6_gpe_tunnel_key_t key6_0, key6_1;
+ u32 error0, error1;
+ u32 sw_if_index0, sw_if_index1, len0, len1;
+
+ /* 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, LOAD);
+ vlib_prefetch_buffer_header(p3, LOAD);
+
+ CLIB_PREFETCH(p2->data, 2*CLIB_CACHE_LINE_BYTES, LOAD);
+ CLIB_PREFETCH(p3->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 = vlib_get_buffer (vm, bi0);
+ b1 = vlib_get_buffer (vm, bi1);
+
+ if (is_ip4)
+ {
+ /* udp leaves current_data pointing at the vxlan-gpe header */
+ 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)));
+
+ iuvn4_0 = vlib_buffer_get_current (b0);
+ iuvn4_1 = vlib_buffer_get_current (b1);
+
+ /* pop (ip, udp, vxlan) */
+ vlib_buffer_advance (b0, sizeof(*iuvn4_0));
+ vlib_buffer_advance (b1, sizeof(*iuvn4_1));
+ }
+ else
+ {
+ /* udp leaves current_data pointing at the vxlan-gpe header */
+ 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)));
+
+ iuvn6_0 = vlib_buffer_get_current (b0);
+ iuvn6_1 = vlib_buffer_get_current (b1);
+
+ /* pop (ip, udp, vxlan) */
+ vlib_buffer_advance (b0, sizeof(*iuvn6_0));
+ vlib_buffer_advance (b1, sizeof(*iuvn6_1));
+ }
+
+ tunnel_index0 = ~0;
+ tunnel_index1 = ~0;
+ error0 = 0;
+ error1 = 0;
+
+ if (is_ip4)
+ {
+ next0 = (iuvn4_0->vxlan.protocol < node->n_next_nodes) ?
+ iuvn4_0->vxlan.protocol : VXLAN_GPE_INPUT_NEXT_DROP;
+ next1 = (iuvn4_1->vxlan.protocol < node->n_next_nodes) ?
+ iuvn4_1->vxlan.protocol : VXLAN_GPE_INPUT_NEXT_DROP;
+
+ key4_0.local = iuvn4_0->ip4.dst_address.as_u32;
+ key4_1.local = iuvn4_1->ip4.dst_address.as_u32;
+
+ key4_0.remote = iuvn4_0->ip4.src_address.as_u32;
+ key4_1.remote = iuvn4_1->ip4.src_address.as_u32;
+
+ key4_0.vni = iuvn4_0->vxlan.vni_res;
+ key4_1.vni = iuvn4_1->vxlan.vni_res;
+
+ key4_0.pad = 0;
+ key4_1.pad = 0;
+
+ /* Processing for key4_0 */
+ if (PREDICT_FALSE((key4_0.as_u64[0] != last_key4.as_u64[0])
+ || (key4_0.as_u64[1] != last_key4.as_u64[1])))
+ {
+ p0 = hash_get_mem(ngm->vxlan4_gpe_tunnel_by_key, &key4_0);
+
+ if (p0 == 0)
+ {
+ error0 = VXLAN_GPE_ERROR_NO_SUCH_TUNNEL;
+ goto trace0;
+ }
- next0 = t0->protocol;
-
- 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 */
- vnet_update_l2_len (b0);
-
- /*
- * ip[46] lookup in the configured FIB
- */
- vnet_buffer(b0)->sw_if_index[VLIB_TX] = t0->decap_fib_index;
+ last_key4.as_u64[0] = key4_0.as_u64[0];
+ last_key4.as_u64[1] = key4_0.as_u64[1];
+ tunnel_index0 = last_tunnel_index = p0[0];
+ }
+ else
+ tunnel_index0 = last_tunnel_index;
+ }
+ else /* is_ip6 */
+ {
+ next0 = (iuvn6_0->vxlan.protocol < node->n_next_nodes) ?
+ iuvn6_0->vxlan.protocol : VXLAN_GPE_INPUT_NEXT_DROP;
+ next1 = (iuvn6_1->vxlan.protocol < node->n_next_nodes) ?
+ iuvn6_1->vxlan.protocol : VXLAN_GPE_INPUT_NEXT_DROP;
+
+ key6_0.local.as_u64[0] = iuvn6_0->ip6.dst_address.as_u64[0];
+ key6_0.local.as_u64[1] = iuvn6_0->ip6.dst_address.as_u64[1];
+ key6_1.local.as_u64[0] = iuvn6_1->ip6.dst_address.as_u64[0];
+ key6_1.local.as_u64[1] = iuvn6_1->ip6.dst_address.as_u64[1];
+
+ key6_0.remote.as_u64[0] = iuvn6_0->ip6.src_address.as_u64[0];
+ key6_0.remote.as_u64[1] = iuvn6_0->ip6.src_address.as_u64[1];
+ key6_1.remote.as_u64[0] = iuvn6_1->ip6.src_address.as_u64[0];
+ key6_1.remote.as_u64[1] = iuvn6_1->ip6.src_address.as_u64[1];
+
+ key6_0.vni = iuvn6_0->vxlan.vni_res;
+ key6_1.vni = iuvn6_1->vxlan.vni_res;
+
+ /* Processing for key6_0 */
+ if (PREDICT_FALSE(memcmp (&key6_0, &last_key6, sizeof(last_key6)) != 0))
+ {
+ p0 = hash_get_mem(ngm->vxlan6_gpe_tunnel_by_key, &key6_0);
+
+ if (p0 == 0)
+ {
+ error0 = VXLAN_GPE_ERROR_NO_SUCH_TUNNEL;
+ goto trace0;
+ }
- pkts_decapsulated++;
- stats_n_packets += 1;
- stats_n_bytes += len0;
+ memcpy (&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(ngm->tunnels, tunnel_index0);
+
+ next0 = t0->protocol;
+
+ 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 */
+ vnet_update_l2_len (b0);
+
+ /*
+ * ip[46] lookup in the configured FIB
+ */
+ vnet_buffer(b0)->sw_if_index[VLIB_TX] = t0->decap_fib_index;
+
+ pkts_decapsulated++;
+ stats_n_packets += 1;
+ stats_n_bytes += len0;
+
+ 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,
+ cpu_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))
+ {
+ vxlan_gpe_rx_trace_t *tr = vlib_add_trace (vm, node, b0, sizeof(*tr));
+ tr->next_index = next0;
+ tr->error = error0;
+ tr->tunnel_index = tunnel_index0;
+ }
+
+ /* Process packet 1 */
+ if (is_ip4)
+ {
+ /* Processing for key4_1 */
+ if (PREDICT_FALSE(
+ (key4_1.as_u64[0] != last_key4.as_u64[0])
+ || (key4_1.as_u64[1] != last_key4.as_u64[1])))
+ {
+ p1 = hash_get_mem(ngm->vxlan4_gpe_tunnel_by_key, &key4_1);
+
+ if (p1 == 0)
+ {
+ error1 = VXLAN_GPE_ERROR_NO_SUCH_TUNNEL;
+ goto trace1;
+ }
- if (PREDICT_FALSE(sw_if_index0 != stats_sw_if_index))
+ last_key4.as_u64[0] = key4_1.as_u64[0];
+ last_key4.as_u64[1] = key4_1.as_u64[1];
+ tunnel_index1 = last_tunnel_index = p1[0];
+ }
+ else
+ tunnel_index1 = last_tunnel_index;
+ }
+ else /* is_ip6 */
+ {
+ /* Processing for key6_1 */
+ if (PREDICT_FALSE(memcmp (&key6_1, &last_key6, sizeof(last_key6)) != 0))
+ {
+ p1 = hash_get_mem(ngm->vxlan6_gpe_tunnel_by_key, &key6_1);
+
+ if (p1 == 0)
{
- 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,
- cpu_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;
+ error1 = VXLAN_GPE_ERROR_NO_SUCH_TUNNEL;
+ goto trace1;
}
- trace0:
- b0->error = error0 ? node->errors[error0] : 0;
-
- if (PREDICT_FALSE(b0->flags & VLIB_BUFFER_IS_TRACED))
- {
- vxlan_gpe_rx_trace_t *tr
- = vlib_add_trace (vm, node, b0, sizeof (*tr));
- tr->next_index = next0;
- tr->error = error0;
- tr->tunnel_index = tunnel_index0;
- }
-
-
- /* Processing for key1 */
- if (PREDICT_FALSE ((key1.as_u64[0] != last_key.as_u64[0])
- || (key1.as_u64[1] != last_key.as_u64[1])))
- {
- p1 = hash_get_mem (ngm->vxlan_gpe_tunnel_by_key, &key1);
-
- if (p1 == 0)
- {
- error1 = VXLAN_GPE_ERROR_NO_SUCH_TUNNEL;
- goto trace1;
- }
-
- last_key.as_u64[0] = key1.as_u64[0];
- last_key.as_u64[1] = key1.as_u64[1];
- tunnel_index1 = last_tunnel_index = p1[0];
- }
- else
- tunnel_index1 = last_tunnel_index;
-
- t1 = pool_elt_at_index (ngm->tunnels, tunnel_index1);
-
- next1 = t1->protocol;
- 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 */
- vnet_update_l2_len (b1);
-
- /*
- * ip[46] lookup in the configured FIB
- */
- vnet_buffer(b1)->sw_if_index[VLIB_TX] = t1->decap_fib_index;
-
-
- pkts_decapsulated++;
- stats_n_packets += 1;
- stats_n_bytes += len1;
-
- /* Batch stats increment on the same vxlan tunnel so counter
- is not incremented per packet */
- if (PREDICT_FALSE(sw_if_index1 != stats_sw_if_index))
+ memcpy (&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(ngm->tunnels, tunnel_index1);
+
+ next1 = t1->protocol;
+ 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 */
+ vnet_update_l2_len (b1);
+
+ /*
+ * ip[46] lookup in the configured FIB
+ */
+ vnet_buffer(b1)->sw_if_index[VLIB_TX] = t1->decap_fib_index;
+
+ pkts_decapsulated++;
+ stats_n_packets += 1;
+ stats_n_bytes += len1;
+
+ /* Batch stats increment on the same vxlan 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,
+ cpu_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;
+ }
+ vnet_buffer(b1)->sw_if_index[VLIB_TX] = t1->decap_fib_index;
+
+ trace1: b1->error = error1 ? node->errors[error1] : 0;
+
+ if (PREDICT_FALSE(b1->flags & VLIB_BUFFER_IS_TRACED))
+ {
+ vxlan_gpe_rx_trace_t *tr = vlib_add_trace (vm, node, b1, sizeof(*tr));
+ tr->next_index = next1;
+ tr->error = error1;
+ tr->tunnel_index = tunnel_index1;
+ }
+
+ 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_vxlan_gpe_header_t * iuvn4_0;
+ ip6_vxlan_gpe_header_t * iuvn6_0;
+ uword * p0;
+ u32 tunnel_index0;
+ vxlan_gpe_tunnel_t * t0;
+ vxlan4_gpe_tunnel_key_t key4_0;
+ vxlan6_gpe_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 = vlib_get_buffer (vm, bi0);
+
+ if (is_ip4)
+ {
+ /* udp leaves current_data pointing at the vxlan-gpe header */
+ vlib_buffer_advance (
+ b0, -(word) (sizeof(udp_header_t) + sizeof(ip4_header_t)));
+
+ iuvn4_0 = vlib_buffer_get_current (b0);
+
+ /* pop (ip, udp, vxlan) */
+ vlib_buffer_advance (b0, sizeof(*iuvn4_0));
+ }
+ else
+ {
+ /* udp leaves current_data pointing at the vxlan-gpe header */
+ vlib_buffer_advance (
+ b0, -(word) (sizeof(udp_header_t) + sizeof(ip6_header_t)));
+
+ iuvn6_0 = vlib_buffer_get_current (b0);
+
+ /* pop (ip, udp, vxlan) */
+ vlib_buffer_advance (b0, sizeof(*iuvn6_0));
+ }
+
+ tunnel_index0 = ~0;
+ error0 = 0;
+
+ if (is_ip4)
+ {
+ next0 =
+ (iuvn4_0->vxlan.protocol < node->n_next_nodes) ?
+ iuvn4_0->vxlan.protocol : VXLAN_GPE_INPUT_NEXT_DROP;
+
+ key4_0.local = iuvn4_0->ip4.dst_address.as_u32;
+ key4_0.remote = iuvn4_0->ip4.src_address.as_u32;
+ key4_0.vni = iuvn4_0->vxlan.vni_res;
+ key4_0.pad = 0;
+
+ /* Processing for key4_0 */
+ if (PREDICT_FALSE(
+ (key4_0.as_u64[0] != last_key4.as_u64[0])
+ || (key4_0.as_u64[1] != last_key4.as_u64[1])))
+ {
+ p0 = hash_get_mem(ngm->vxlan4_gpe_tunnel_by_key, &key4_0);
+
+ if (p0 == 0)
{
- 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,
- cpu_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;
+ error0 = VXLAN_GPE_ERROR_NO_SUCH_TUNNEL;
+ goto trace00;
}
- vnet_buffer(b1)->sw_if_index[VLIB_TX] = t1->decap_fib_index;
-
- trace1:
- b1->error = error1 ? node->errors[error1] : 0;
-
- if (PREDICT_FALSE(b1->flags & VLIB_BUFFER_IS_TRACED))
- {
- vxlan_gpe_rx_trace_t *tr
- = vlib_add_trace (vm, node, b1, sizeof (*tr));
- tr->next_index = next1;
- tr->error = error1;
- tr->tunnel_index = tunnel_index1;
- }
-
- 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_vxlan_gpe_header_t * iuvn0;
- uword * p0;
- u32 tunnel_index0;
- vxlan_gpe_tunnel_t * t0;
- vxlan_gpe_tunnel_key_t key0;
- 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 = vlib_get_buffer (vm, bi0);
-
- /* udp leaves current_data pointing at the vxlan header */
- vlib_buffer_advance
- (b0, -(word)(sizeof(udp_header_t)+sizeof(ip4_header_t)));
-
- iuvn0 = vlib_buffer_get_current (b0);
-
- /* pop (ip, udp, vxlan) */
- vlib_buffer_advance (b0, sizeof (*iuvn0));
-
- tunnel_index0 = ~0;
- error0 = 0;
- next0 = (iuvn0->vxlan.protocol < node->n_next_nodes) ? iuvn0->vxlan.protocol : VXLAN_GPE_INPUT_NEXT_DROP;
-
- key0.local = iuvn0->ip4.dst_address.as_u32;
- key0.remote = iuvn0->ip4.src_address.as_u32;
- key0.vni = iuvn0->vxlan.vni_res;
- key0.pad = 0;
-
- if (PREDICT_FALSE ((key0.as_u64[0] != last_key.as_u64[0])
- || (key0.as_u64[1] != last_key.as_u64[1])))
- {
- p0 = hash_get_mem (ngm->vxlan_gpe_tunnel_by_key, &key0);
-
- if (p0 == 0)
- {
- error0 = VXLAN_GPE_ERROR_NO_SUCH_TUNNEL;
- goto trace00;
- }
-
- last_key.as_u64[0] = key0.as_u64[0];
- last_key.as_u64[1] = key0.as_u64[1];
- tunnel_index0 = last_tunnel_index = p0[0];
- }
- else
- tunnel_index0 = last_tunnel_index;
-
- t0 = pool_elt_at_index (ngm->tunnels, tunnel_index0);
-
- next0 = t0->protocol;
-
- 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 */
- vnet_update_l2_len (b0);
-
- /*
- * ip[46] lookup in the configured FIB
- */
- vnet_buffer(b0)->sw_if_index[VLIB_TX] = t0->decap_fib_index;
-
- pkts_decapsulated ++;
- stats_n_packets += 1;
- stats_n_bytes += len0;
-
- /* Batch stats increment on the same vxlan-gpe tunnel so counter
- is not incremented per packet */
- if (PREDICT_FALSE(sw_if_index0 != stats_sw_if_index))
+
+ last_key4.as_u64[0] = key4_0.as_u64[0];
+ last_key4.as_u64[1] = key4_0.as_u64[1];
+ tunnel_index0 = last_tunnel_index = p0[0];
+ }
+ else
+ tunnel_index0 = last_tunnel_index;
+ }
+ else /* is_ip6 */
+ {
+ next0 = (iuvn6_0->vxlan.protocol < node->n_next_nodes) ?
+ iuvn6_0->vxlan.protocol : VXLAN_GPE_INPUT_NEXT_DROP;
+
+ key6_0.local.as_u64[0] = iuvn6_0->ip6.dst_address.as_u64[0];
+ key6_0.local.as_u64[1] = iuvn6_0->ip6.dst_address.as_u64[1];
+ key6_0.remote.as_u64[0] = iuvn6_0->ip6.src_address.as_u64[0];
+ key6_0.remote.as_u64[1] = iuvn6_0->ip6.src_address.as_u64[1];
+ key6_0.vni = iuvn6_0->vxlan.vni_res;
+
+ /* Processing for key6_0 */
+ if (PREDICT_FALSE(memcmp (&key6_0, &last_key6, sizeof(last_key6)) != 0))
+ {
+ p0 = hash_get_mem(ngm->vxlan6_gpe_tunnel_by_key, &key6_0);
+
+ if (p0 == 0)
{
- 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,
- cpu_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;
+ error0 = VXLAN_GPE_ERROR_NO_SUCH_TUNNEL;
+ goto trace00;
}
- trace00:
- b0->error = error0 ? node->errors[error0] : 0;
-
- if (PREDICT_FALSE(b0->flags & VLIB_BUFFER_IS_TRACED))
- {
- vxlan_gpe_rx_trace_t *tr
- = vlib_add_trace (vm, node, b0, sizeof (*tr));
- tr->next_index = next0;
- tr->error = error0;
- tr->tunnel_index = tunnel_index0;
- }
- 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);
+ memcpy (&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(ngm->tunnels, tunnel_index0);
+
+ next0 = t0->protocol;
+
+ 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 */
+ vnet_update_l2_len (b0);
+
+ /*
+ * ip[46] lookup in the configured FIB
+ */
+ vnet_buffer(b0)->sw_if_index[VLIB_TX] = t0->decap_fib_index;
+
+ pkts_decapsulated++;
+ stats_n_packets += 1;
+ stats_n_bytes += len0;
+
+ /* Batch stats increment on the same vxlan-gpe 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,
+ cpu_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))
+ {
+ vxlan_gpe_rx_trace_t *tr = vlib_add_trace (vm, node, b0, sizeof(*tr));
+ tr->next_index = next0;
+ tr->error = error0;
+ tr->tunnel_index = tunnel_index0;
+ }
+ 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_node_increment_counter (vm, vxlan_gpe_input_node.index,
- VXLAN_GPE_ERROR_DECAPSULATED,
- pkts_decapsulated);
+ VXLAN_GPE_ERROR_DECAPSULATED, pkts_decapsulated);
/* Increment any remaining batch stats */
if (stats_n_packets)
{
- vlib_increment_combined_counter(
+ vlib_increment_combined_counter (
im->combined_sw_if_counters + VNET_INTERFACE_COUNTER_RX, cpu_index,
stats_sw_if_index, stats_n_packets, stats_n_bytes);
node->runtime_data[0] = stats_sw_if_index;
@@ -419,6 +542,20 @@ vxlan_gpe_input (vlib_main_t * vm,
return from_frame->n_vectors;
}
+static uword
+vxlan4_gpe_input (vlib_main_t * vm, vlib_node_runtime_t * node,
+ vlib_frame_t * from_frame)
+{
+ return vxlan_gpe_input (vm, node, from_frame, /* is_ip4 */1);
+}
+
+static uword
+vxlan6_gpe_input (vlib_main_t * vm, vlib_node_runtime_t * node,
+ vlib_frame_t * from_frame)
+{
+ return vxlan_gpe_input (vm, node, from_frame, /* is_ip4 */0);
+}
+
static char * vxlan_gpe_error_strings[] = {
#define vxlan_gpe_error(n,s) s,
#include <vnet/vxlan-gpe/vxlan_gpe_error.def>
@@ -426,9 +563,9 @@ static char * vxlan_gpe_error_strings[] = {
#undef _
};
-VLIB_REGISTER_NODE (vxlan_gpe_input_node) = {
- .function = vxlan_gpe_input,
- .name = "vxlan-gpe-input",
+VLIB_REGISTER_NODE (vxlan4_gpe_input_node) = {
+ .function = vxlan4_gpe_input,
+ .name = "vxlan4-gpe-input",
/* Takes a vector of packets. */
.vector_size = sizeof (u32),
.type = VLIB_NODE_TYPE_INTERNAL,
@@ -447,4 +584,27 @@ VLIB_REGISTER_NODE (vxlan_gpe_input_node) = {
// $$$$ .unformat_buffer = unformat_vxlan_gpe_header,
};
+VLIB_NODE_FUNCTION_MULTIARCH (vxlan4_gpe_input_node, vxlan4_gpe_input)
+
+VLIB_REGISTER_NODE (vxlan6_gpe_input_node) = {
+ .function = vxlan6_gpe_input,
+ .name = "vxlan6-gpe-input",
+ /* Takes a vector of packets. */
+ .vector_size = sizeof (u32),
+ .type = VLIB_NODE_TYPE_INTERNAL,
+ .n_errors = ARRAY_LEN(vxlan_gpe_error_strings),
+ .error_strings = vxlan_gpe_error_strings,
+
+ .n_next_nodes = VXLAN_GPE_INPUT_N_NEXT,
+ .next_nodes = {
+#define _(s,n) [VXLAN_GPE_INPUT_NEXT_##s] = n,
+ foreach_vxlan_gpe_input_next
+#undef _
+ },
+
+ .format_buffer = format_vxlan_gpe_with_length,
+ .format_trace = format_vxlan_gpe_rx_trace,
+ // $$$$ .unformat_buffer = unformat_vxlan_gpe_header,
+};
+VLIB_NODE_FUNCTION_MULTIARCH (vxlan6_gpe_input_node, vxlan6_gpe_input)