diff options
Diffstat (limited to 'src/vnet/pg/input.c')
| -rw-r--r-- | src/vnet/pg/input.c | 29 |
1 files changed, 19 insertions, 10 deletions
diff --git a/src/vnet/pg/input.c b/src/vnet/pg/input.c index 8ba3b361894..483add0b5f3 100644 --- a/src/vnet/pg/input.c +++ b/src/vnet/pg/input.c @@ -1530,10 +1530,9 @@ pg_input_trace (pg_main_t * pg, } static_always_inline void -fill_gso_buffer_flags (vlib_main_t * vm, u32 * buffers, u32 n_buffers, - u32 packet_data_size) +fill_buffer_offload_flags (vlib_main_t * vm, u32 * buffers, u32 n_buffers, + int gso_enabled, u32 gso_size) { - for (int i = 0; i < n_buffers; i++) { vlib_buffer_t *b0 = vlib_get_buffer (vm, buffers[i]); @@ -1586,16 +1585,21 @@ fill_gso_buffer_flags (vlib_main_t * vm, u32 * buffers, u32 n_buffers, VNET_BUFFER_F_L3_HDR_OFFSET_VALID | VNET_BUFFER_F_L4_HDR_OFFSET_VALID); } + if (l4_proto == IP_PROTOCOL_TCP) { - b0->flags |= (VNET_BUFFER_F_OFFLOAD_TCP_CKSUM | VNET_BUFFER_F_GSO); + b0->flags |= VNET_BUFFER_F_OFFLOAD_TCP_CKSUM; tcp_header_t *tcp = (tcp_header_t *) (vlib_buffer_get_current (b0) + vnet_buffer (b0)->l4_hdr_offset); - l4_hdr_sz = tcp_header_bytes (tcp); tcp->checksum = 0; - vnet_buffer2 (b0)->gso_l4_hdr_sz = l4_hdr_sz; - vnet_buffer2 (b0)->gso_size = packet_data_size; + if (gso_enabled) + { + b0->flags |= VNET_BUFFER_F_GSO; + l4_hdr_sz = tcp_header_bytes (tcp); + vnet_buffer2 (b0)->gso_l4_hdr_sz = l4_hdr_sz; + vnet_buffer2 (b0)->gso_size = gso_size; + } } else if (l4_proto == IP_PROTOCOL_UDP) { @@ -1603,7 +1607,6 @@ fill_gso_buffer_flags (vlib_main_t * vm, u32 * buffers, u32 n_buffers, udp_header_t *udp = (udp_header_t *) (vlib_buffer_get_current (b0) + vnet_buffer (b0)->l4_hdr_offset); - vnet_buffer2 (b0)->gso_l4_hdr_sz = sizeof (*udp); udp->checksum = 0; } } @@ -1700,8 +1703,14 @@ pg_generate_packets (vlib_node_runtime_t * node, vnet_buffer (b)->feature_arc_index = feature_arc_index; } - if (pi->gso_enabled) - fill_gso_buffer_flags (vm, to_next, n_this_frame, pi->gso_size); + if (pi->gso_enabled || + (s->buffer_flags & (VNET_BUFFER_F_OFFLOAD_TCP_CKSUM | + VNET_BUFFER_F_OFFLOAD_UDP_CKSUM | + VNET_BUFFER_F_OFFLOAD_IP_CKSUM))) + { + fill_buffer_offload_flags (vm, to_next, n_this_frame, + pi->gso_enabled, pi->gso_size); + } n_trace = vlib_get_trace_count (vm, node); if (n_trace > 0) |