#include <vnet/ethernet/ethernet.h>
#include <vnet/vxlan/vxlan.h>
#include <vnet/qos/qos_types.h>
+#include <vnet/adj/rewrite.h>
/* Statistics (not all errors) */
#define foreach_vxlan_encap_error \
u32 vni;
} vxlan_encap_trace_t;
+#ifndef CLIB_MARCH_VARIANT
u8 * format_vxlan_encap_trace (u8 * s, va_list * args)
{
CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *);
t->tunnel_index, t->vni);
return s;
}
+#endif
always_inline uword
vxlan_encap_inline (vlib_main_t * vm,
u32 next0 = 0, next1 = 0;
vxlan_tunnel_t * t0 = NULL, * t1 = NULL;
index_t dpoi_idx0 = INDEX_INVALID, dpoi_idx1 = INDEX_INVALID;
+ vlib_buffer_t *bufs[VLIB_FRAME_SIZE];
+ vlib_buffer_t **b = bufs;
from = vlib_frame_vector_args (from_frame);
n_left_from = from_frame->n_vectors;
STATIC_ASSERT_SIZEOF(ip6_vxlan_header_t, 56);
STATIC_ASSERT_SIZEOF(ip4_vxlan_header_t, 36);
- word const underlay_hdr_len = is_ip4 ?
+ u8 const underlay_hdr_len = is_ip4 ?
sizeof(ip4_vxlan_header_t) : sizeof(ip6_vxlan_header_t);
u16 const l3_len = is_ip4 ? sizeof(ip4_header_t) : sizeof(ip6_header_t);
- u32 const csum_flags = is_ip4 ?
- VNET_BUFFER_F_OFFLOAD_IP_CKSUM | VNET_BUFFER_F_IS_IP4 |
- VNET_BUFFER_F_OFFLOAD_UDP_CKSUM :
- VNET_BUFFER_F_OFFLOAD_UDP_CKSUM;
+ u32 const csum_flags = is_ip4 ? VNET_BUFFER_F_OFFLOAD_IP_CKSUM |
+ VNET_BUFFER_F_IS_IP4 | VNET_BUFFER_F_OFFLOAD_UDP_CKSUM :
+ VNET_BUFFER_F_IS_IP6 | VNET_BUFFER_F_OFFLOAD_UDP_CKSUM;
+ vlib_get_buffers (vm, from, bufs, n_left_from);
while (n_left_from > 0)
{
{
/* Prefetch next iteration. */
{
- vlib_buffer_t * p2, * p3;
+ vlib_prefetch_buffer_header (b[2], LOAD);
+ vlib_prefetch_buffer_header (b[3], LOAD);
- 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);
+ CLIB_PREFETCH (b[2]->data - CLIB_CACHE_LINE_BYTES, 2 * CLIB_CACHE_LINE_BYTES, LOAD);
+ CLIB_PREFETCH (b[3]->data - CLIB_CACHE_LINE_BYTES, 2 * CLIB_CACHE_LINE_BYTES, LOAD);
}
- u32 bi0 = from[0];
- u32 bi1 = from[1];
-
- vlib_buffer_t * b0 = vlib_get_buffer (vm, bi0);
- vlib_buffer_t * b1 = vlib_get_buffer (vm, bi1);
- u32 flow_hash0 = vnet_l2_compute_flow_hash (b0);
- u32 flow_hash1 = vnet_l2_compute_flow_hash (b1);
-
- to_next[0] = bi0;
- to_next[1] = bi1;
+ u32 bi0 = to_next[0] = from[0];
+ u32 bi1 = to_next[1] = from[1];
from += 2;
to_next += 2;
n_left_to_next -= 2;
n_left_from -= 2;
+ vlib_buffer_t * b0 = b[0];
+ vlib_buffer_t * b1 = b[1];
+ b += 2;
+
+ u32 flow_hash0 = vnet_l2_compute_flow_hash (b0);
+ u32 flow_hash1 = vnet_l2_compute_flow_hash (b1);
+
/* Get next node index and adj index from tunnel next_dpo */
if (sw_if_index0 != vnet_buffer(b0)->sw_if_index[VLIB_TX])
{
vnet_buffer(b0)->ip.adj_index[VLIB_TX] = dpoi_idx0;
vnet_buffer(b1)->ip.adj_index[VLIB_TX] = dpoi_idx1;
- ASSERT(vec_len(t0->rewrite) == underlay_hdr_len);
- ASSERT(vec_len(t1->rewrite) == underlay_hdr_len);
+ ASSERT(t0->rewrite_header.data_bytes == underlay_hdr_len);
+ ASSERT(t1->rewrite_header.data_bytes == underlay_hdr_len);
+ vnet_rewrite_two_headers(*t0, *t1, vlib_buffer_get_current(b0), vlib_buffer_get_current(b1), underlay_hdr_len);
vlib_buffer_advance (b0, -underlay_hdr_len);
vlib_buffer_advance (b1, -underlay_hdr_len);
u16 payload_l0 = clib_host_to_net_u16 (len0 - l3_len);
u16 payload_l1 = clib_host_to_net_u16 (len1 - l3_len);
+ void * underlay0 = vlib_buffer_get_current(b0);
+ void * underlay1 = vlib_buffer_get_current(b1);
+
ip4_header_t * ip4_0, * ip4_1;
qos_bits_t ip4_0_tos = 0, ip4_1_tos = 0;
ip6_header_t * ip6_0, * ip6_1;
u8 * l3_0, * l3_1;
if (is_ip4)
{
- ip4_vxlan_header_t * hdr0 = vlib_buffer_get_current(b0);
- ip4_vxlan_header_t * rewrite0 = (void *)t0->rewrite;
- ip4_vxlan_header_t * hdr1 = vlib_buffer_get_current(b1);
- ip4_vxlan_header_t * rewrite1 = (void *)t1->rewrite;
- *hdr0 = *rewrite0;
- *hdr1 = *rewrite1;
+ ip4_vxlan_header_t * hdr0 = underlay0;
+ ip4_vxlan_header_t * hdr1 = underlay1;
/* Fix the IP4 checksum and length */
ip4_0 = &hdr0->ip4;
}
else /* ipv6 */
{
- ip6_vxlan_header_t * hdr0 = vlib_buffer_get_current(b0);
- ip6_vxlan_header_t * rewrite0 = (void *) t0->rewrite;
- ip6_vxlan_header_t * hdr1 = vlib_buffer_get_current(b0);
- ip6_vxlan_header_t * rewrite1 = (void *) t1->rewrite;
- *hdr0 = *rewrite0;
- *hdr1 = *rewrite1;
+ ip6_vxlan_header_t * hdr0 = underlay0;
+ ip6_vxlan_header_t * hdr1 = underlay1;
/* Fix IP6 payload length */
ip6_0 = &hdr0->ip6;
udp1->checksum = 0xffff;
}
+ /* save inner packet flow_hash for load-balance node */
+ vnet_buffer (b0)->ip.flow_hash = flow_hash0;
+ vnet_buffer (b1)->ip.flow_hash = flow_hash1;
+
+ if (sw_if_index0 == sw_if_index1)
+ {
+ vlib_increment_combined_counter (tx_counter, thread_index,
+ sw_if_index0, 2, len0 + len1);
+ }
+ else
+ {
vlib_increment_combined_counter (tx_counter, thread_index,
sw_if_index0, 1, len0);
vlib_increment_combined_counter (tx_counter, thread_index,
sw_if_index1, 1, len1);
+ }
pkts_encapsulated += 2;
if (PREDICT_FALSE(b0->flags & VLIB_BUFFER_IS_TRACED))
while (n_left_from > 0 && n_left_to_next > 0)
{
- u32 bi0 = from[0];
- vlib_buffer_t * b0 = vlib_get_buffer (vm, bi0);
- u32 flow_hash0 = vnet_l2_compute_flow_hash(b0);
-
- to_next[0] = bi0;
+ u32 bi0 = to_next[0] = from[0];
from += 1;
to_next += 1;
n_left_from -= 1;
n_left_to_next -= 1;
+ vlib_buffer_t * b0 = b[0];
+ b += 1;
+
+ u32 flow_hash0 = vnet_l2_compute_flow_hash(b0);
+
/* Get next node index and adj index from tunnel next_dpo */
if (sw_if_index0 != vnet_buffer(b0)->sw_if_index[VLIB_TX])
{
}
vnet_buffer(b0)->ip.adj_index[VLIB_TX] = dpoi_idx0;
- ASSERT(vec_len(t0->rewrite) == underlay_hdr_len);
+ ASSERT(t0->rewrite_header.data_bytes == underlay_hdr_len);
+ vnet_rewrite_one_header(*t0, vlib_buffer_get_current(b0), underlay_hdr_len);
+
vlib_buffer_advance (b0, -underlay_hdr_len);
+ void * underlay0 = vlib_buffer_get_current(b0);
u32 len0 = vlib_buffer_length_in_chain (vm, b0);
u16 payload_l0 = clib_host_to_net_u16 (len0 - l3_len);
u8 * l3_0;
if (is_ip4)
{
- ip4_vxlan_header_t * rewrite = (void *)t0->rewrite;
- ip4_vxlan_header_t * hdr = vlib_buffer_get_current(b0);
- *hdr = *rewrite;
+ ip4_vxlan_header_t * hdr = underlay0;
/* Fix the IP4 checksum and length */
ip4_0 = &hdr->ip4;
}
else /* ip6 path */
{
- ip6_vxlan_header_t * hdr = vlib_buffer_get_current(b0);
- ip6_vxlan_header_t * rewrite = (void *) t0->rewrite;
- *hdr = *rewrite;
+ ip6_vxlan_header_t * hdr = underlay0;
/* Fix IP6 payload length */
ip6_0 = &hdr->ip6;
udp0->checksum = 0xffff;
}
+ /* reuse inner packet flow_hash for load-balance node */
+ vnet_buffer (b0)->ip.flow_hash = flow_hash0;
+
vlib_increment_combined_counter (tx_counter, thread_index,
sw_if_index0, 1, len0);
pkts_encapsulated ++;
return from_frame->n_vectors;
}
-static uword
-vxlan4_encap (vlib_main_t * vm,
+VLIB_NODE_FN (vxlan4_encap_node) (vlib_main_t * vm,
vlib_node_runtime_t * node,
vlib_frame_t * from_frame)
{
/* csum_offload */ 0);
}
-static uword
-vxlan6_encap (vlib_main_t * vm,
+VLIB_NODE_FN (vxlan6_encap_node) (vlib_main_t * vm,
vlib_node_runtime_t * node,
vlib_frame_t * from_frame)
{
}
VLIB_REGISTER_NODE (vxlan4_encap_node) = {
- .function = vxlan4_encap,
.name = "vxlan4-encap",
.vector_size = sizeof (u32),
.format_trace = format_vxlan_encap_trace,
},
};
-VLIB_NODE_FUNCTION_MULTIARCH (vxlan4_encap_node, vxlan4_encap)
-
VLIB_REGISTER_NODE (vxlan6_encap_node) = {
- .function = vxlan6_encap,
.name = "vxlan6-encap",
.vector_size = sizeof (u32),
.format_trace = format_vxlan_encap_trace,
},
};
-VLIB_NODE_FUNCTION_MULTIARCH (vxlan6_encap_node, vxlan6_encap)
-
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