*/
#include <vlib/vlib.h>
-#include <vnet/pg/pg.h>
#include <vnet/vxlan/vxlan.h>
+#include <vnet/udp/udp_local.h>
#ifndef CLIB_MARCH_VARIANT
vlib_node_registration_t vxlan4_input_node;
t->tunnel_index, t->vni, t->next_index, t->error);
}
-always_inline u32
-buf_fib_index (vlib_buffer_t * b, u32 is_ip4)
-{
- u32 sw_if_index = vnet_buffer (b)->sw_if_index[VLIB_TX];
- if (sw_if_index != (u32) ~ 0)
- return sw_if_index;
-
- u32 *fib_index_by_sw_if_index = is_ip4 ?
- ip4_main.fib_index_by_sw_if_index : ip6_main.fib_index_by_sw_if_index;
- sw_if_index = vnet_buffer (b)->sw_if_index[VLIB_RX];
+typedef vxlan4_tunnel_key_t last_tunnel_cache4;
- return vec_elt (fib_index_by_sw_if_index, sw_if_index);
-}
+static const vxlan_decap_info_t decap_not_found = {
+ .sw_if_index = ~0,
+ .next_index = VXLAN_INPUT_NEXT_DROP,
+ .error = VXLAN_ERROR_NO_SUCH_TUNNEL
+};
-typedef vxlan4_tunnel_key_t last_tunnel_cache4;
+static const vxlan_decap_info_t decap_bad_flags = {
+ .sw_if_index = ~0,
+ .next_index = VXLAN_INPUT_NEXT_DROP,
+ .error = VXLAN_ERROR_BAD_FLAGS
+};
-always_inline vxlan_tunnel_t *
+always_inline vxlan_decap_info_t
vxlan4_find_tunnel (vxlan_main_t * vxm, last_tunnel_cache4 * cache,
u32 fib_index, ip4_header_t * ip4_0,
- vxlan_header_t * vxlan0, vxlan_tunnel_t ** stats_t0)
+ vxlan_header_t * vxlan0, u32 * stats_sw_if_index)
{
- /* Make sure VXLAN tunnel exist according to packet SIP and VNI */
- vxlan4_tunnel_key_t key4;
- key4.key[1] = ((u64) fib_index << 32) | vxlan0->vni_reserved;
+ if (PREDICT_FALSE (vxlan0->flags != VXLAN_FLAGS_I))
+ return decap_bad_flags;
+
+ /* Make sure VXLAN tunnel exist according to packet S/D IP, UDP port, VRF,
+ * and VNI */
+ u32 dst = ip4_0->dst_address.as_u32;
+ u32 src = ip4_0->src_address.as_u32;
+ udp_header_t *udp = ip4_next_header (ip4_0);
+ vxlan4_tunnel_key_t key4 = {
+ .key[0] = ((u64) dst << 32) | src,
+ .key[1] = ((u64) udp->dst_port << 48) | ((u64) fib_index << 32) |
+ vxlan0->vni_reserved,
+ };
- if (PREDICT_FALSE (key4.key[1] != cache->key[1] ||
- ip4_0->src_address.as_u32 != (u32) cache->key[0]))
+ if (PREDICT_TRUE
+ (key4.key[0] == cache->key[0] && key4.key[1] == cache->key[1]))
{
- key4.key[0] = ip4_0->src_address.as_u32;
- int rv =
- clib_bihash_search_inline_16_8 (&vxm->vxlan4_tunnel_by_key, &key4);
- if (PREDICT_FALSE (rv != 0))
- {
- *stats_t0 = 0;
- return 0;
- }
-
- *cache = key4;
+ /* cache hit */
+ vxlan_decap_info_t di = {.as_u64 = cache->value };
+ *stats_sw_if_index = di.sw_if_index;
+ return di;
}
- vxlan_tunnel_t *t0 = pool_elt_at_index (vxm->tunnels, cache->value);
- /* Validate VXLAN tunnel SIP against packet DIP */
- if (PREDICT_TRUE (ip4_0->dst_address.as_u32 == t0->src.ip4.as_u32))
- *stats_t0 = t0;
- else
+ int rv = clib_bihash_search_inline_16_8 (&vxm->vxlan4_tunnel_by_key, &key4);
+ if (PREDICT_TRUE (rv == 0))
{
- /* try multicast */
- if (PREDICT_TRUE (!ip4_address_is_multicast (&ip4_0->dst_address)))
- {
- *stats_t0 = 0;
- return 0;
- }
-
- key4.key[0] = ip4_0->dst_address.as_u32;
- /* Make sure mcast VXLAN tunnel exist by packet DIP and VNI */
- int rv =
- clib_bihash_search_inline_16_8 (&vxm->vxlan4_tunnel_by_key, &key4);
- if (PREDICT_FALSE (rv != 0))
- {
- *stats_t0 = 0;
- return 0;
- }
-
- *stats_t0 = pool_elt_at_index (vxm->tunnels, key4.value);
+ *cache = key4;
+ vxlan_decap_info_t di = {.as_u64 = key4.value };
+ *stats_sw_if_index = di.sw_if_index;
+ return di;
}
- return t0;
+ /* try multicast */
+ if (PREDICT_TRUE (!ip4_address_is_multicast (&ip4_0->dst_address)))
+ return decap_not_found;
+
+ /* search for mcast decap info by mcast address */
+ key4.key[0] = dst;
+ rv = clib_bihash_search_inline_16_8 (&vxm->vxlan4_tunnel_by_key, &key4);
+ if (rv != 0)
+ return decap_not_found;
+
+ /* search for unicast tunnel using the mcast tunnel local(src) ip */
+ vxlan_decap_info_t mdi = {.as_u64 = key4.value };
+ key4.key[0] = ((u64) mdi.local_ip.as_u32 << 32) | src;
+ rv = clib_bihash_search_inline_16_8 (&vxm->vxlan4_tunnel_by_key, &key4);
+ if (PREDICT_FALSE (rv != 0))
+ return decap_not_found;
+
+ /* mcast traffic does not update the cache */
+ *stats_sw_if_index = mdi.sw_if_index;
+ vxlan_decap_info_t di = {.as_u64 = key4.value };
+ return di;
}
typedef vxlan6_tunnel_key_t last_tunnel_cache6;
-always_inline vxlan_tunnel_t *
+always_inline vxlan_decap_info_t
vxlan6_find_tunnel (vxlan_main_t * vxm, last_tunnel_cache6 * cache,
u32 fib_index, ip6_header_t * ip6_0,
- vxlan_header_t * vxlan0, vxlan_tunnel_t ** stats_t0)
+ vxlan_header_t * vxlan0, u32 * stats_sw_if_index)
{
- /* Make sure VXLAN tunnel exist according to packet SIP and VNI */
+ if (PREDICT_FALSE (vxlan0->flags != VXLAN_FLAGS_I))
+ return decap_bad_flags;
+
+ /* Make sure VXLAN tunnel exist according to packet SIP, UDP port, VRF, and
+ * VNI */
+ udp_header_t *udp = ip6_next_header (ip6_0);
vxlan6_tunnel_key_t key6 = {
- .key = {
- [0] = ip6_0->src_address.as_u64[0],
- [1] = ip6_0->src_address.as_u64[1],
- [2] = (((u64) fib_index) << 32) | vxlan0->vni_reserved,
- }
+ .key[0] = ip6_0->src_address.as_u64[0],
+ .key[1] = ip6_0->src_address.as_u64[1],
+ .key[2] = ((u64) udp->dst_port << 48) | ((u64) fib_index << 32) |
+ vxlan0->vni_reserved,
};
if (PREDICT_FALSE
int rv =
clib_bihash_search_inline_24_8 (&vxm->vxlan6_tunnel_by_key, &key6);
if (PREDICT_FALSE (rv != 0))
- {
- *stats_t0 = 0;
- return 0;
- }
+ return decap_not_found;
*cache = key6;
}
/* Validate VXLAN tunnel SIP against packet DIP */
if (PREDICT_TRUE (ip6_address_is_equal (&ip6_0->dst_address, &t0->src.ip6)))
- *stats_t0 = t0;
+ *stats_sw_if_index = t0->sw_if_index;
else
{
/* try multicast */
if (PREDICT_TRUE (!ip6_address_is_multicast (&ip6_0->dst_address)))
- {
- *stats_t0 = 0;
- return 0;
- }
+ return decap_not_found;
/* Make sure mcast VXLAN tunnel exist by packet DIP and VNI */
key6.key[0] = ip6_0->dst_address.as_u64[0];
int rv =
clib_bihash_search_inline_24_8 (&vxm->vxlan6_tunnel_by_key, &key6);
if (PREDICT_FALSE (rv != 0))
- {
- *stats_t0 = 0;
- return 0;
- }
+ return decap_not_found;
- *stats_t0 = pool_elt_at_index (vxm->tunnels, key6.value);
+ vxlan_tunnel_t *mcast_t0 = pool_elt_at_index (vxm->tunnels, key6.value);
+ *stats_sw_if_index = mcast_t0->sw_if_index;
}
- return t0;
+ vxlan_decap_info_t di = {
+ .sw_if_index = t0->sw_if_index,
+ .next_index = t0->decap_next_index,
+ };
+ return di;
}
always_inline uword
vnet_interface_main_t *im = &vnm->interface_main;
vlib_combined_counter_main_t *rx_counter =
im->combined_sw_if_counters + VNET_INTERFACE_COUNTER_RX;
- vlib_combined_counter_main_t *drop_counter =
- im->combined_sw_if_counters + VNET_INTERFACE_COUNTER_DROP;
last_tunnel_cache4 last4;
last_tunnel_cache6 last6;
u32 pkts_dropped = 0;
u32 thread_index = vlib_get_thread_index ();
if (is_ip4)
- memset (&last4, 0xff, sizeof last4);
+ clib_memset (&last4, 0xff, sizeof last4);
else
- memset (&last6, 0xff, sizeof last6);
+ clib_memset (&last6, 0xff, sizeof last6);
u32 *from = vlib_frame_vector_args (from_frame);
u32 n_left_from = from_frame->n_vectors;
vlib_buffer_t *bufs[VLIB_FRAME_SIZE], **b = bufs;
vlib_get_buffers (vm, from, bufs, n_left_from);
+ u32 stats_if0 = ~0, stats_if1 = ~0;
u16 nexts[VLIB_FRAME_SIZE], *next = nexts;
while (n_left_from >= 4)
{
vxlan_header_t *vxlan0 = cur0;
vxlan_header_t *vxlan1 = cur1;
- u8 error0 = vxlan0->flags != VXLAN_FLAGS_I ? VXLAN_ERROR_BAD_FLAGS : 0;
- u8 error1 = vxlan1->flags != VXLAN_FLAGS_I ? VXLAN_ERROR_BAD_FLAGS : 0;
ip4_header_t *ip4_0, *ip4_1;
ip6_header_t *ip6_0, *ip6_1;
vlib_buffer_advance (b[0], sizeof *vxlan0);
vlib_buffer_advance (b[1], sizeof *vxlan1);
- u32 fi0 = buf_fib_index (b[0], is_ip4);
- u32 fi1 = buf_fib_index (b[1], is_ip4);
-
- vxlan_tunnel_t *t0, *stats_t0;
- vxlan_tunnel_t *t1, *stats_t1;
- if (is_ip4)
- {
- t0 =
- vxlan4_find_tunnel (vxm, &last4, fi0, ip4_0, vxlan0, &stats_t0);
- t1 =
- vxlan4_find_tunnel (vxm, &last4, fi1, ip4_1, vxlan1, &stats_t1);
- }
- else
- {
- t0 =
- vxlan6_find_tunnel (vxm, &last6, fi0, ip6_0, vxlan0, &stats_t0);
- t1 =
- vxlan6_find_tunnel (vxm, &last6, fi1, ip6_1, vxlan1, &stats_t1);
- }
+ u32 fi0 = vlib_buffer_get_ip_fib_index (b[0], is_ip4);
+ u32 fi1 = vlib_buffer_get_ip_fib_index (b[1], is_ip4);
- error0 = t0 == 0 ? VXLAN_ERROR_NO_SUCH_TUNNEL : error0;
- error1 = t1 == 0 ? VXLAN_ERROR_NO_SUCH_TUNNEL : error1;
+ vxlan_decap_info_t di0 = is_ip4 ?
+ vxlan4_find_tunnel (vxm, &last4, fi0, ip4_0, vxlan0, &stats_if0) :
+ vxlan6_find_tunnel (vxm, &last6, fi0, ip6_0, vxlan0, &stats_if0);
+ vxlan_decap_info_t di1 = is_ip4 ?
+ vxlan4_find_tunnel (vxm, &last4, fi1, ip4_1, vxlan1, &stats_if1) :
+ vxlan6_find_tunnel (vxm, &last6, fi1, ip6_1, vxlan1, &stats_if1);
/* Prefetch next iteration. */
CLIB_PREFETCH (b[2]->data, CLIB_CACHE_LINE_BYTES, LOAD);
u32 len0 = vlib_buffer_length_in_chain (vm, b[0]);
u32 len1 = vlib_buffer_length_in_chain (vm, b[1]);
- /* Validate VXLAN tunnel encap-fib index agaist packet */
- if (PREDICT_FALSE (error0 != 0))
- {
- next[0] = VXLAN_INPUT_NEXT_DROP;
+ next[0] = di0.next_index;
+ next[1] = di1.next_index;
- if (error0 == VXLAN_ERROR_BAD_FLAGS)
- {
- vlib_increment_combined_counter
- (drop_counter, thread_index, stats_t0->sw_if_index, 1, len0);
- }
- b[0]->error = node->errors[error0];
- pkts_dropped++;
- }
- else
+ u8 any_error = di0.error | di1.error;
+ if (PREDICT_TRUE (any_error == 0))
{
- next[0] = t0->decap_next_index;
-
/* Required to make the l2 tag push / pop code work on l2 subifs */
- if (PREDICT_TRUE (next[0] == VXLAN_INPUT_NEXT_L2_INPUT))
- vnet_update_l2_len (b[0]);
-
+ vnet_update_l2_len (b[0]);
+ vnet_update_l2_len (b[1]);
/* Set packet input sw_if_index to unicast VXLAN tunnel for learning */
- vnet_buffer (b[0])->sw_if_index[VLIB_RX] = t0->sw_if_index;
- vlib_increment_combined_counter
- (rx_counter, thread_index, stats_t0->sw_if_index, 1, len0);
+ vnet_buffer (b[0])->sw_if_index[VLIB_RX] = di0.sw_if_index;
+ vnet_buffer (b[1])->sw_if_index[VLIB_RX] = di1.sw_if_index;
+ vlib_increment_combined_counter (rx_counter, thread_index,
+ stats_if0, 1, len0);
+ vlib_increment_combined_counter (rx_counter, thread_index,
+ stats_if1, 1, len1);
}
-
- /* Validate VXLAN tunnel encap-fib index agaist packet */
- if (PREDICT_FALSE (error1 != 0))
+ else
{
- next[1] = VXLAN_INPUT_NEXT_DROP;
-
- if (error1 == VXLAN_ERROR_BAD_FLAGS)
+ if (di0.error == 0)
{
- vlib_increment_combined_counter
- (drop_counter, thread_index, stats_t1->sw_if_index, 1, len1);
+ vnet_update_l2_len (b[0]);
+ vnet_buffer (b[0])->sw_if_index[VLIB_RX] = di0.sw_if_index;
+ vlib_increment_combined_counter (rx_counter, thread_index,
+ stats_if0, 1, len0);
+ }
+ else
+ {
+ b[0]->error = node->errors[di0.error];
+ pkts_dropped++;
}
- b[1]->error = node->errors[error1];
- pkts_dropped++;
- }
- else
- {
- next[1] = t1->decap_next_index;
-
- /* Required to make the l2 tag push / pop code work on l2 subifs */
- if (PREDICT_TRUE (next[1] == VXLAN_INPUT_NEXT_L2_INPUT))
- vnet_update_l2_len (b[1]);
-
- /* Set packet input sw_if_index to unicast VXLAN tunnel for learning */
- vnet_buffer (b[1])->sw_if_index[VLIB_RX] = t1->sw_if_index;
- vlib_increment_combined_counter
- (rx_counter, thread_index, stats_t1->sw_if_index, 1, len1);
+ if (di1.error == 0)
+ {
+ vnet_update_l2_len (b[1]);
+ vnet_buffer (b[1])->sw_if_index[VLIB_RX] = di1.sw_if_index;
+ vlib_increment_combined_counter (rx_counter, thread_index,
+ stats_if1, 1, len1);
+ }
+ else
+ {
+ b[1]->error = node->errors[di1.error];
+ pkts_dropped++;
+ }
}
if (PREDICT_FALSE (b[0]->flags & VLIB_BUFFER_IS_TRACED))
vxlan_rx_trace_t *tr =
vlib_add_trace (vm, node, b[0], sizeof (*tr));
tr->next_index = next[0];
- tr->error = error0;
- tr->tunnel_index = t0 == 0 ? ~0 : t0 - vxm->tunnels;
+ tr->error = di0.error;
+ tr->tunnel_index = di0.sw_if_index == ~0 ?
+ ~0 : vxm->tunnel_index_by_sw_if_index[di0.sw_if_index];
tr->vni = vnet_get_vni (vxlan0);
}
if (PREDICT_FALSE (b[1]->flags & VLIB_BUFFER_IS_TRACED))
vxlan_rx_trace_t *tr =
vlib_add_trace (vm, node, b[1], sizeof (*tr));
tr->next_index = next[1];
- tr->error = error1;
- tr->tunnel_index = t1 == 0 ? ~0 : t1 - vxm->tunnels;
+ tr->error = di1.error;
+ tr->tunnel_index = di1.sw_if_index == ~0 ?
+ ~0 : vxm->tunnel_index_by_sw_if_index[di1.sw_if_index];
tr->vni = vnet_get_vni (vxlan1);
}
b += 2;
/* udp leaves current_data pointing at the vxlan header */
void *cur0 = vlib_buffer_get_current (b[0]);
vxlan_header_t *vxlan0 = cur0;
- u8 error0 = vxlan0->flags != VXLAN_FLAGS_I ? VXLAN_ERROR_BAD_FLAGS : 0;
ip4_header_t *ip4_0;
ip6_header_t *ip6_0;
if (is_ip4)
/* pop (ip, udp, vxlan) */
vlib_buffer_advance (b[0], sizeof (*vxlan0));
- u32 fi0 = buf_fib_index (b[0], is_ip4);
+ u32 fi0 = vlib_buffer_get_ip_fib_index (b[0], is_ip4);
- vxlan_tunnel_t *t0, *stats_t0;
- if (is_ip4)
- t0 = vxlan4_find_tunnel (vxm, &last4, fi0, ip4_0, vxlan0, &stats_t0);
- else
- t0 = vxlan6_find_tunnel (vxm, &last6, fi0, ip6_0, vxlan0, &stats_t0);
+ vxlan_decap_info_t di0 = is_ip4 ?
+ vxlan4_find_tunnel (vxm, &last4, fi0, ip4_0, vxlan0, &stats_if0) :
+ vxlan6_find_tunnel (vxm, &last6, fi0, ip6_0, vxlan0, &stats_if0);
- error0 = t0 == 0 ? VXLAN_ERROR_NO_SUCH_TUNNEL : error0;
uword len0 = vlib_buffer_length_in_chain (vm, b[0]);
- /* Validate VXLAN tunnel encap-fib index agaist packet */
- if (PREDICT_FALSE (error0 != 0))
- {
- next[0] = VXLAN_INPUT_NEXT_DROP;
+ next[0] = di0.next_index;
- if (error0 == VXLAN_ERROR_BAD_FLAGS)
- {
- vlib_increment_combined_counter
- (drop_counter, thread_index, stats_t0->sw_if_index, 1, len0);
- }
- b[0]->error = node->errors[error0];
- pkts_dropped++;
- }
- else
+ /* Validate VXLAN tunnel encap-fib index against packet */
+ if (di0.error == 0)
{
- next[0] = t0->decap_next_index;
-
/* Required to make the l2 tag push / pop code work on l2 subifs */
- if (PREDICT_TRUE (next[0] == VXLAN_INPUT_NEXT_L2_INPUT))
- vnet_update_l2_len (b[0]);
+ vnet_update_l2_len (b[0]);
/* Set packet input sw_if_index to unicast VXLAN tunnel for learning */
- vnet_buffer (b[0])->sw_if_index[VLIB_RX] = t0->sw_if_index;
+ vnet_buffer (b[0])->sw_if_index[VLIB_RX] = di0.sw_if_index;
- vlib_increment_combined_counter
- (rx_counter, thread_index, stats_t0->sw_if_index, 1, len0);
+ vlib_increment_combined_counter (rx_counter, thread_index,
+ stats_if0, 1, len0);
+ }
+ else
+ {
+ b[0]->error = node->errors[di0.error];
+ pkts_dropped++;
}
if (PREDICT_FALSE (b[0]->flags & VLIB_BUFFER_IS_TRACED))
vxlan_rx_trace_t *tr
= vlib_add_trace (vm, node, b[0], sizeof (*tr));
tr->next_index = next[0];
- tr->error = error0;
- tr->tunnel_index = t0 == 0 ? ~0 : t0 - vxm->tunnels;
+ tr->error = di0.error;
+ tr->tunnel_index = di0.sw_if_index == ~0 ?
+ ~0 : vxm->tunnel_index_by_sw_if_index[di0.sw_if_index];
tr->vni = vnet_get_vni (vxlan0);
}
b += 1;
IP_VXLAN_BYPASS_NEXT_DROP,
IP_VXLAN_BYPASS_NEXT_VXLAN,
IP_VXLAN_BYPASS_N_NEXT,
-} ip_vxan_bypass_next_t;
+} ip_vxlan_bypass_next_t;
always_inline uword
ip_vxlan_bypass_inline (vlib_main_t * vm,
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);
- ip4_address_t addr4; /* last IPv4 address matching a local VTEP address */
- ip6_address_t addr6; /* last IPv6 address matching a local VTEP address */
+ 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;
+
+ last_tunnel_cache4 last4;
+ last_tunnel_cache6 last6;
+
+#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)
- addr4.data_u32 = ~0;
+ {
+ vtep4_key_init (&last_vtep4);
+ clib_memset (&last4, 0xff, sizeof last4);
+ }
else
- ip6_address_set_zero (&addr6);
+ {
+ vtep6_key_init (&last_vtep6);
+ clib_memset (&last6, 0xff, sizeof last6);
+ }
while (n_left_from > 0)
{
ip4_header_t *ip40, *ip41;
ip6_header_t *ip60, *ip61;
udp_header_t *udp0, *udp1;
+ vxlan_header_t *vxlan0, *vxlan1;
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;
+ u32 stats_if0 = ~0, stats_if1 = ~0;
/* 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);
+ vlib_prefetch_buffer_header (b[2], LOAD);
+ vlib_prefetch_buffer_header (b[3], LOAD);
- CLIB_PREFETCH (p2->data, 2 * CLIB_CACHE_LINE_BYTES, LOAD);
- CLIB_PREFETCH (p3->data, 2 * CLIB_CACHE_LINE_BYTES, 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];
to_next += 2;
n_left_to_next -= 2;
- b0 = vlib_get_buffer (vm, bi0);
- b1 = vlib_get_buffer (vm, bi1);
+ b0 = b[0];
+ b1 = b[1];
+ b += 2;
if (is_ip4)
{
ip40 = vlib_buffer_get_current (b0);
else
udp0 = ip6_next_header (ip60);
- if (udp0->dst_port != clib_host_to_net_u16 (UDP_DST_PORT_vxlan))
- goto exit0; /* not VXLAN packet */
+ u32 fi0 = vlib_buffer_get_ip_fib_index (b0, is_ip4);
+ vxlan0 = vlib_buffer_get_current (b0) + sizeof (udp_header_t) +
+ sizeof (ip4_header_t);
+
+ vxlan_decap_info_t di0 =
+ is_ip4 ?
+ vxlan4_find_tunnel (vxm, &last4, fi0, ip40, vxlan0, &stats_if0) :
+ vxlan6_find_tunnel (vxm, &last6, fi0, ip60, vxlan0, &stats_if0);
+
+ if (PREDICT_FALSE (di0.sw_if_index == ~0))
+ goto exit0; /* unknown interface */
/* Validate DIP against VTEPs */
if (is_ip4)
{
- if (addr4.as_u32 != ip40->dst_address.as_u32)
- {
- if (!hash_get (vxm->vtep4, ip40->dst_address.as_u32))
- goto exit0; /* no local VTEP for VXLAN packet */
- addr4 = ip40->dst_address;
- }
+#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 VXLAN packet */
}
else
{
- if (!ip6_address_is_equal (&addr6, &ip60->dst_address))
- {
- if (!hash_get_mem (vxm->vtep6, &ip60->dst_address))
- goto exit0; /* no local VTEP for VXLAN packet */
- addr6 = ip60->dst_address;
- }
+ if (!vtep6_check (&vxm->vtep_table, b0, ip60, &last_vtep6))
+ goto exit0; /* no local VTEP for VXLAN packet */
}
flags0 = b0->flags;
/* 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)
+ 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)
else
udp1 = ip6_next_header (ip61);
- if (udp1->dst_port != clib_host_to_net_u16 (UDP_DST_PORT_vxlan))
- goto exit1; /* not VXLAN packet */
+ u32 fi1 = vlib_buffer_get_ip_fib_index (b1, is_ip4);
+ vxlan1 = vlib_buffer_get_current (b1) + sizeof (udp_header_t) +
+ sizeof (ip4_header_t);
+
+ vxlan_decap_info_t di1 =
+ is_ip4 ?
+ vxlan4_find_tunnel (vxm, &last4, fi1, ip41, vxlan1, &stats_if1) :
+ vxlan6_find_tunnel (vxm, &last6, fi1, ip61, vxlan1, &stats_if1);
+
+ if (PREDICT_FALSE (di1.sw_if_index == ~0))
+ goto exit1; /* unknown interface */
/* Validate DIP against VTEPs */
if (is_ip4)
{
- if (addr4.as_u32 != ip41->dst_address.as_u32)
- {
- if (!hash_get (vxm->vtep4, ip41->dst_address.as_u32))
- goto exit1; /* no local VTEP for VXLAN packet */
- addr4 = ip41->dst_address;
- }
+#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 VXLAN packet */
}
else
{
- if (!ip6_address_is_equal (&addr6, &ip61->dst_address))
- {
- if (!hash_get_mem (vxm->vtep6, &ip61->dst_address))
- goto exit1; /* no local VTEP for VXLAN packet */
- addr6 = ip61->dst_address;
- }
+ if (!vtep6_check (&vxm->vtep_table, b1, ip61, &last_vtep6))
+ goto exit1; /* no local VTEP for VXLAN packet */
}
flags1 = b1->flags;
/* 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)
+ 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)
ip4_header_t *ip40;
ip6_header_t *ip60;
udp_header_t *udp0;
+ vxlan_header_t *vxlan0;
u32 bi0, ip_len0, udp_len0, flags0, next0;
i32 len_diff0;
u8 error0, good_udp0, proto0;
+ u32 stats_if0 = ~0;
bi0 = to_next[0] = from[0];
from += 1;
to_next += 1;
n_left_to_next -= 1;
- b0 = vlib_get_buffer (vm, bi0);
+ b0 = b[0];
+ b++;
if (is_ip4)
ip40 = vlib_buffer_get_current (b0);
else
else
udp0 = ip6_next_header (ip60);
- if (udp0->dst_port != clib_host_to_net_u16 (UDP_DST_PORT_vxlan))
- goto exit; /* not VXLAN packet */
+ u32 fi0 = vlib_buffer_get_ip_fib_index (b0, is_ip4);
+ vxlan0 = vlib_buffer_get_current (b0) + sizeof (udp_header_t) +
+ sizeof (ip4_header_t);
+
+ vxlan_decap_info_t di0 =
+ is_ip4 ?
+ vxlan4_find_tunnel (vxm, &last4, fi0, ip40, vxlan0, &stats_if0) :
+ vxlan6_find_tunnel (vxm, &last6, fi0, ip60, vxlan0, &stats_if0);
+
+ if (PREDICT_FALSE (di0.sw_if_index == ~0))
+ goto exit; /* unknown interface */
/* Validate DIP against VTEPs */
if (is_ip4)
{
- if (addr4.as_u32 != ip40->dst_address.as_u32)
- {
- if (!hash_get (vxm->vtep4, ip40->dst_address.as_u32))
- goto exit; /* no local VTEP for VXLAN packet */
- addr4 = ip40->dst_address;
- }
+#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 VXLAN packet */
}
else
{
- if (!ip6_address_is_equal (&addr6, &ip60->dst_address))
- {
- if (!hash_get_mem (vxm->vtep6, &ip60->dst_address))
- goto exit; /* no local VTEP for VXLAN packet */
- addr6 = ip60->dst_address;
- }
+ if (!vtep6_check (&vxm->vtep_table, b0, ip60, &last_vtep6))
+ goto exit; /* no local VTEP for VXLAN packet */
}
flags0 = b0->flags;
/* 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)
+ 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)
Code Review / vpp.git / blobdiff