devices: Add queues params in create_if
[vpp.git] / src / vnet / devices / af_packet / node.c
index d444b3b..caddcfa 100644 (file)
@@ -109,9 +109,18 @@ buffer_add_to_chain (vlib_main_t * vm, u32 bi, u32 first_bi, u32 prev_bi)
 }
 
 static_always_inline void
-mark_tcp_udp_cksum_calc (vlib_buffer_t * b)
+fill_gso_buffer_flags (vlib_buffer_t *b, u32 gso_size, u8 l4_hdr_sz)
+{
+  b->flags |= VNET_BUFFER_F_GSO;
+  vnet_buffer2 (b)->gso_size = gso_size;
+  vnet_buffer2 (b)->gso_l4_hdr_sz = l4_hdr_sz;
+}
+
+static_always_inline void
+mark_tcp_udp_cksum_calc (vlib_buffer_t *b, u8 *l4_hdr_sz)
 {
   ethernet_header_t *eth = vlib_buffer_get_current (b);
+  vnet_buffer_oflags_t oflags = 0;
   if (clib_net_to_host_u16 (eth->type) == ETHERNET_TYPE_IP4)
     {
       ip4_header_t *ip4 =
@@ -119,23 +128,27 @@ mark_tcp_udp_cksum_calc (vlib_buffer_t * b)
       b->flags |= VNET_BUFFER_F_IS_IP4;
       if (ip4->protocol == IP_PROTOCOL_TCP)
        {
-         b->flags |= VNET_BUFFER_F_OFFLOAD_TCP_CKSUM;
-         ((tcp_header_t
-           *) (vlib_buffer_get_current (b) +
-               sizeof (ethernet_header_t) +
-               ip4_header_bytes (ip4)))->checksum = 0;
+         oflags |= VNET_BUFFER_OFFLOAD_F_TCP_CKSUM;
+         tcp_header_t *tcp = (tcp_header_t *) (vlib_buffer_get_current (b) +
+                                               sizeof (ethernet_header_t) +
+                                               ip4_header_bytes (ip4));
+         tcp->checksum = 0;
+         *l4_hdr_sz = tcp_header_bytes (tcp);
        }
       else if (ip4->protocol == IP_PROTOCOL_UDP)
        {
-         b->flags |= VNET_BUFFER_F_OFFLOAD_UDP_CKSUM;
-         ((udp_header_t
-           *) (vlib_buffer_get_current (b) +
-               sizeof (ethernet_header_t) +
-               ip4_header_bytes (ip4)))->checksum = 0;
+         oflags |= VNET_BUFFER_OFFLOAD_F_UDP_CKSUM;
+         udp_header_t *udp = (udp_header_t *) (vlib_buffer_get_current (b) +
+                                               sizeof (ethernet_header_t) +
+                                               ip4_header_bytes (ip4));
+         udp->checksum = 0;
+         *l4_hdr_sz = sizeof (*udp);
        }
       vnet_buffer (b)->l3_hdr_offset = sizeof (ethernet_header_t);
       vnet_buffer (b)->l4_hdr_offset =
        sizeof (ethernet_header_t) + ip4_header_bytes (ip4);
+      if (oflags)
+       vnet_buffer_offload_flags_set (b, oflags);
     }
   else if (clib_net_to_host_u16 (eth->type) == ETHERNET_TYPE_IP6)
     {
@@ -155,21 +168,27 @@ mark_tcp_udp_cksum_calc (vlib_buffer_t * b)
        }
       if (ip6->protocol == IP_PROTOCOL_TCP)
        {
-         b->flags |= VNET_BUFFER_F_OFFLOAD_TCP_CKSUM;
-         ((tcp_header_t
-           *) (vlib_buffer_get_current (b) +
-               sizeof (ethernet_header_t) + ip6_hdr_len))->checksum = 0;
+         oflags |= VNET_BUFFER_OFFLOAD_F_TCP_CKSUM;
+         tcp_header_t *tcp =
+           (tcp_header_t *) (vlib_buffer_get_current (b) +
+                             sizeof (ethernet_header_t) + ip6_hdr_len);
+         tcp->checksum = 0;
+         *l4_hdr_sz = tcp_header_bytes (tcp);
        }
       else if (ip6->protocol == IP_PROTOCOL_UDP)
        {
-         b->flags |= VNET_BUFFER_F_OFFLOAD_UDP_CKSUM;
-         ((udp_header_t
-           *) (vlib_buffer_get_current (b) +
-               sizeof (ethernet_header_t) + ip6_hdr_len))->checksum = 0;
+         oflags |= VNET_BUFFER_OFFLOAD_F_UDP_CKSUM;
+         udp_header_t *udp =
+           (udp_header_t *) (vlib_buffer_get_current (b) +
+                             sizeof (ethernet_header_t) + ip6_hdr_len);
+         udp->checksum = 0;
+         *l4_hdr_sz = sizeof (*udp);
        }
       vnet_buffer (b)->l3_hdr_offset = sizeof (ethernet_header_t);
       vnet_buffer (b)->l4_hdr_offset =
        sizeof (ethernet_header_t) + ip6_hdr_len;
+      if (oflags)
+       vnet_buffer_offload_flags_set (b, oflags);
     }
 }
 
@@ -221,6 +240,7 @@ af_packet_device_input_fn (vlib_main_t * vm, vlib_node_runtime_t * node,
          u32 data_len = tph->tp_snaplen;
          u32 offset = 0;
          u32 bi0 = 0, first_bi0 = 0, prev_bi0;
+         u8 l4_hdr_sz = 0;
 
          while (data_len)
            {
@@ -275,7 +295,10 @@ af_packet_device_input_fn (vlib_main_t * vm, vlib_node_runtime_t * node,
                  first_bi0 = bi0;
                  first_b0 = vlib_get_buffer (vm, first_bi0);
                  if (tph->tp_status & TP_STATUS_CSUMNOTREADY)
-                   mark_tcp_udp_cksum_calc (first_b0);
+                   mark_tcp_udp_cksum_calc (first_b0, &l4_hdr_sz);
+                 if (tph->tp_snaplen > apif->host_mtu)
+                   fill_gso_buffer_flags (first_b0, apif->host_mtu,
+                                          l4_hdr_sz);
                }
              else
                buffer_add_to_chain (vm, bi0, first_bi0, prev_bi0);
@@ -309,7 +332,6 @@ af_packet_device_input_fn (vlib_main_t * vm, vlib_node_runtime_t * node,
            }
 
          /* trace */
-         VLIB_BUFFER_TRACE_TRAJECTORY_INIT (first_b0);
          if (PREDICT_FALSE
              (n_trace > 0 && vlib_trace_buffer (vm, node, next0, first_b0,
                                                 /* follow_chain */ 0)))
@@ -365,7 +387,6 @@ VLIB_NODE_FN (af_packet_input_node) (vlib_main_t * vm,
   return n_rx_packets;
 }
 
-/* *INDENT-OFF* */
 VLIB_REGISTER_NODE (af_packet_input_node) = {
   .name = "af-packet-input",
   .flags = VLIB_NODE_FLAG_TRACE_SUPPORTED,
@@ -376,7 +397,6 @@ VLIB_REGISTER_NODE (af_packet_input_node) = {
   .n_errors = AF_PACKET_INPUT_N_ERROR,
   .error_strings = af_packet_input_error_strings,
 };
-/* *INDENT-ON* */
 
 
 /*