return s;
}
-static_always_inline u16
-tso_segment_ipip_tunnel_fixup (vlib_main_t * vm,
- vnet_interface_per_thread_data_t * ptd,
- vlib_buffer_t * sb0,
- generic_header_offset_t * gho)
+static_always_inline void
+tso_segment_ipip_tunnel_fixup (vlib_main_t *vm,
+ vnet_interface_per_thread_data_t *ptd,
+ vlib_buffer_t *sb0)
{
u16 n_tx_bufs = vec_len (ptd->split_buffers);
- u16 i = 0, n_tx_bytes = 0;
+ u16 i = 0;
while (i < n_tx_bufs)
{
vlib_buffer_t *b0 = vlib_get_buffer (vm, ptd->split_buffers[i]);
+ i16 outer_l3_hdr_offset = vnet_buffer2 (b0)->outer_l3_hdr_offset;
+ i16 l3_hdr_offset = vnet_buffer (b0)->l3_hdr_offset;
- ip4_header_t *ip4 =
- (ip4_header_t *) (vlib_buffer_get_current (b0) +
- gho->outer_l3_hdr_offset);
- ip6_header_t *ip6 =
- (ip6_header_t *) (vlib_buffer_get_current (b0) +
- gho->outer_l3_hdr_offset);
+ ip4_header_t *ip4 = (ip4_header_t *) (b0->data + outer_l3_hdr_offset);
+ ip6_header_t *ip6 = (ip6_header_t *) (b0->data + outer_l3_hdr_offset);
- if (gho->gho_flags & GHO_F_OUTER_IP4)
+ if (vnet_buffer (b0)->oflags & VNET_BUFFER_OFFLOAD_F_OUTER_IP_CKSUM)
{
- ip4->length =
- clib_host_to_net_u16 (b0->current_length -
- gho->outer_l3_hdr_offset);
+ ip4->length = clib_host_to_net_u16 (
+ b0->current_length - (outer_l3_hdr_offset - b0->current_data));
ip4->checksum = ip4_header_checksum (ip4);
+ vnet_buffer_offload_flags_clear (
+ b0, VNET_BUFFER_OFFLOAD_F_OUTER_IP_CKSUM |
+ VNET_BUFFER_OFFLOAD_F_TNL_IPIP);
}
- else if (gho->gho_flags & GHO_F_OUTER_IP6)
+ else
{
- ip6->payload_length =
- clib_host_to_net_u16 (b0->current_length -
- gho->outer_l4_hdr_offset);
+ ip6->payload_length = clib_host_to_net_u16 (
+ b0->current_length - (l3_hdr_offset - b0->current_data));
+ vnet_buffer_offload_flags_clear (b0, VNET_BUFFER_OFFLOAD_F_TNL_IPIP);
}
- n_tx_bytes += gho->outer_hdr_sz;
i++;
}
- return n_tx_bytes;
}
static_always_inline void
-tso_segment_vxlan_tunnel_headers_fixup (vlib_main_t * vm, vlib_buffer_t * b,
- generic_header_offset_t * gho)
+tso_segment_vxlan_tunnel_headers_fixup (vlib_main_t *vm, vlib_buffer_t *b)
{
- u8 proto = 0;
ip4_header_t *ip4 = 0;
ip6_header_t *ip6 = 0;
udp_header_t *udp = 0;
+ i16 outer_l3_hdr_offset = vnet_buffer2 (b)->outer_l3_hdr_offset;
+ i16 outer_l4_hdr_offset = vnet_buffer2 (b)->outer_l4_hdr_offset;
- ip4 =
- (ip4_header_t *) (vlib_buffer_get_current (b) + gho->outer_l3_hdr_offset);
- ip6 =
- (ip6_header_t *) (vlib_buffer_get_current (b) + gho->outer_l3_hdr_offset);
- udp =
- (udp_header_t *) (vlib_buffer_get_current (b) + gho->outer_l4_hdr_offset);
+ ip4 = (ip4_header_t *) (b->data + outer_l3_hdr_offset);
+ ip6 = (ip6_header_t *) (b->data + outer_l3_hdr_offset);
+ udp = (udp_header_t *) (b->data + outer_l4_hdr_offset);
- if (gho->gho_flags & GHO_F_OUTER_IP4)
+ if (vnet_buffer (b)->oflags & VNET_BUFFER_OFFLOAD_F_OUTER_IP_CKSUM)
{
- proto = ip4->protocol;
- ip4->length =
- clib_host_to_net_u16 (b->current_length - gho->outer_l3_hdr_offset);
+ ip4->length = clib_host_to_net_u16 (
+ b->current_length - (outer_l3_hdr_offset - b->current_data));
ip4->checksum = ip4_header_checksum (ip4);
+ if (vnet_buffer (b)->oflags & VNET_BUFFER_OFFLOAD_F_OUTER_UDP_CKSUM)
+ {
+ udp->length = clib_host_to_net_u16 (
+ b->current_length - (outer_l4_hdr_offset - b->current_data));
+ // udp checksum is 0, in udp tunnel
+ udp->checksum = 0;
+ }
+ vnet_buffer_offload_flags_clear (
+ b, VNET_BUFFER_OFFLOAD_F_OUTER_IP_CKSUM |
+ VNET_BUFFER_OFFLOAD_F_OUTER_UDP_CKSUM |
+ VNET_BUFFER_OFFLOAD_F_TNL_VXLAN);
}
- else if (gho->gho_flags & GHO_F_OUTER_IP6)
- {
- proto = ip6->protocol;
- ip6->payload_length =
- clib_host_to_net_u16 (b->current_length - gho->outer_l4_hdr_offset);
- }
- if (proto == IP_PROTOCOL_UDP)
+ else
{
- int bogus;
- udp->length =
- clib_host_to_net_u16 (b->current_length - gho->outer_l4_hdr_offset);
- udp->checksum = 0;
- if (gho->gho_flags & GHO_F_OUTER_IP6)
+ ip6->payload_length = clib_host_to_net_u16 (
+ b->current_length - (outer_l4_hdr_offset - b->current_data));
+
+ if (vnet_buffer (b)->oflags & VNET_BUFFER_OFFLOAD_F_OUTER_UDP_CKSUM)
{
+ int bogus;
+ udp->length = ip6->payload_length;
+ // udp checksum is 0, in udp tunnel
+ udp->checksum = 0;
udp->checksum =
ip6_tcp_udp_icmp_compute_checksum (vm, b, ip6, &bogus);
+ vnet_buffer_offload_flags_clear (
+ b, VNET_BUFFER_OFFLOAD_F_OUTER_UDP_CKSUM |
+ VNET_BUFFER_OFFLOAD_F_TNL_VXLAN);
}
- else if (gho->gho_flags & GHO_F_OUTER_IP4)
- {
- udp->checksum = ip4_tcp_udp_compute_checksum (vm, b, ip4);
- }
- /* FIXME: it should be OUTER_UDP_CKSUM */
- vnet_buffer_offload_flags_clear (b, VNET_BUFFER_OFFLOAD_F_UDP_CKSUM);
}
}
-static_always_inline u16
-tso_segment_vxlan_tunnel_fixup (vlib_main_t * vm,
- vnet_interface_per_thread_data_t * ptd,
- vlib_buffer_t * sb0,
- generic_header_offset_t * gho)
+static_always_inline void
+tso_segment_vxlan_tunnel_fixup (vlib_main_t *vm,
+ vnet_interface_per_thread_data_t *ptd,
+ vlib_buffer_t *sb0)
{
u16 n_tx_bufs = vec_len (ptd->split_buffers);
- u16 i = 0, n_tx_bytes = 0;
+ u16 i = 0;
while (i < n_tx_bufs)
{
vlib_buffer_t *b0 = vlib_get_buffer (vm, ptd->split_buffers[i]);
- tso_segment_vxlan_tunnel_headers_fixup (vm, b0, gho);
- n_tx_bytes += gho->outer_hdr_sz;
+ tso_segment_vxlan_tunnel_headers_fixup (vm, b0);
i++;
}
- return n_tx_bytes;
}
static_always_inline u16
to_next -= 1;
n_left_to_next += 1;
/* undo the counting. */
- generic_header_offset_t gho = { 0 };
u32 n_tx_bytes = 0;
- u32 inner_is_ip6 = is_ip6;
-
- vnet_generic_header_offset_parser (b[0], &gho, is_l2,
- is_ip4, is_ip6);
-
- if (PREDICT_FALSE (gho.gho_flags & GHO_F_TUNNEL))
- {
- if (PREDICT_FALSE
- (gho.gho_flags & (GHO_F_GRE_TUNNEL |
- GHO_F_GENEVE_TUNNEL)))
- {
- /* not supported yet */
- drop_one_buffer_and_count (vm, vnm, node, from - 1,
- hi->sw_if_index,
- GSO_ERROR_UNHANDLED_TYPE);
- b += 1;
- continue;
- }
- inner_is_ip6 = (gho.gho_flags & GHO_F_IP6) != 0;
- }
-
- n_tx_bytes = gso_segment_buffer_inline (vm, ptd, b[0], &gho,
- is_l2, inner_is_ip6);
+ n_tx_bytes =
+ gso_segment_buffer_inline (vm, ptd, b[0], is_l2);
if (PREDICT_FALSE (n_tx_bytes == 0))
{
continue;
}
-
- if (PREDICT_FALSE (gho.gho_flags & GHO_F_VXLAN_TUNNEL))
+ if (PREDICT_FALSE (vnet_buffer (b[0])->oflags &
+ VNET_BUFFER_OFFLOAD_F_TNL_VXLAN))
{
- n_tx_bytes +=
- tso_segment_vxlan_tunnel_fixup (vm, ptd, b[0], &gho);
+ tso_segment_vxlan_tunnel_fixup (vm, ptd, b[0]);
}
- else
- if (PREDICT_FALSE
- (gho.gho_flags & (GHO_F_IPIP_TUNNEL |
- GHO_F_IPIP6_TUNNEL)))
+ else if (PREDICT_FALSE (vnet_buffer (b[0])->oflags &
+ VNET_BUFFER_OFFLOAD_F_TNL_IPIP))
{
- n_tx_bytes +=
- tso_segment_ipip_tunnel_fixup (vm, ptd, b[0], &gho);
+ tso_segment_ipip_tunnel_fixup (vm, ptd, b[0]);
}
u16 n_tx_bufs = vec_len (ptd->split_buffers);
{
sbi0 = to_next[0] = from_seg[0];
sb0 = vlib_get_buffer (vm, sbi0);
- vnet_buffer_offload_flags_clear (sb0, 0x7F);
ASSERT (sb0->current_length > 0);
to_next += 1;
from_seg += 1;
1 /* ip6 */ );
}
-/* *INDENT-OFF* */
VLIB_REGISTER_NODE (gso_l2_ip4_node) = {
.vector_size = sizeof (u32),
Code Review / vpp.git / blobdiff