VNET_BUFFER_F_OFFLOAD_TCP_CKSUM |
VNET_BUFFER_F_OFFLOAD_UDP_CKSUM);
- u32 udp_offset[2];
+ u32 udp_offset[2] = { };
u8 is_tcp_udp[2];
is_tcp_udp[0] =
ip6_next_proto_is_tcp_udp (b[0], ip[0], &udp_offset[0]);
}
always_inline uword
-ip6_rewrite_inline (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame,
- int do_counters, int is_midchain, int is_mcast)
+ip6_rewrite_inline_with_gso (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * frame,
+ int do_counters, int is_midchain, int is_mcast,
+ int do_gso)
{
ip_lookup_main_t *lm = &ip6_main.lookup_main;
u32 *from = vlib_frame_vector_args (frame);
}
/* Check MTU of outgoing interface. */
- ip6_mtu_check (p0, clib_net_to_host_u16 (ip0->payload_length) +
- sizeof (ip6_header_t),
+ u16 ip0_len =
+ clib_net_to_host_u16 (ip0->payload_length) +
+ sizeof (ip6_header_t);
+ u16 ip1_len =
+ clib_net_to_host_u16 (ip1->payload_length) +
+ sizeof (ip6_header_t);
+ if (do_gso && (p0->flags & VNET_BUFFER_F_GSO))
+ ip0_len = gso_mtu_sz (p0);
+ if (do_gso && (p1->flags & VNET_BUFFER_F_GSO))
+ ip1_len = gso_mtu_sz (p1);
+
+
+
+ ip6_mtu_check (p0, ip0_len,
adj0[0].rewrite_header.max_l3_packet_bytes,
is_locally_originated0, &next0, &error0);
- ip6_mtu_check (p1, clib_net_to_host_u16 (ip1->payload_length) +
- sizeof (ip6_header_t),
+ ip6_mtu_check (p1, ip1_len,
adj1[0].rewrite_header.max_l3_packet_bytes,
is_locally_originated1, &next1, &error1);
}
/* Check MTU of outgoing interface. */
- ip6_mtu_check (p0, clib_net_to_host_u16 (ip0->payload_length) +
- sizeof (ip6_header_t),
+ u16 ip0_len =
+ clib_net_to_host_u16 (ip0->payload_length) +
+ sizeof (ip6_header_t);
+ if (do_gso && (p0->flags & VNET_BUFFER_F_GSO))
+ ip0_len = gso_mtu_sz (p0);
+
+ ip6_mtu_check (p0, ip0_len,
adj0[0].rewrite_header.max_l3_packet_bytes,
is_locally_originated0, &next0, &error0);
return frame->n_vectors;
}
+always_inline uword
+ip6_rewrite_inline (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * frame,
+ int do_counters, int is_midchain, int is_mcast)
+{
+ vnet_main_t *vnm = vnet_get_main ();
+ if (PREDICT_FALSE (vnm->interface_main.gso_interface_count > 0))
+ return ip6_rewrite_inline_with_gso (vm, node, frame, do_counters,
+ is_midchain, is_mcast,
+ 1 /* do_gso */ );
+ else
+ return ip6_rewrite_inline_with_gso (vm, node, frame, do_counters,
+ is_midchain, is_mcast,
+ 0 /* no do_gso */ );
+}
+
VLIB_NODE_FN (ip6_rewrite_node) (vlib_main_t * vm,
vlib_node_runtime_t * node,
vlib_frame_t * frame)