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authorChenmin Sun <chenmin.sun@intel.com>2019-12-05 01:41:35 +0800
committerJohn Lo <loj@cisco.com>2019-12-05 13:19:31 +0000
commit1ec9fdbf29aedcdd4040feb635971c3f87a1cfdf (patch)
tree517131b4f03af0a6496fef5c61278089397fa4df /src
parent901467ed75fa76e8fe4792459e3649d4aef4ddc7 (diff)
vxlan: fix vxlan hw offload issue
Type: fix Since Vxlan hw offload jumps the ethernet-input node, so needs to adjust the data offset accordingly In original code, the current_data is 0 when arriving vxlan-flow-input node(due to no graph node before it, except the dpdk-input), so this code block cannot find the correct vxlan header: enum { payload_offset = sizeof (ip4_vxlan_header_t) }; vlib_buffer_advance (b0, payload_offset); see code in src/vnet/vxlan/decap.c, function vxlan4_flow_input_node This patch fixes this issue Signed-off-by: Chenmin Sun <chenmin.sun@intel.com> Change-Id: Iab4af7a7dc3b69a117a4c9ea1c59662669a6438c
Diffstat (limited to 'src')
-rw-r--r--src/vnet/vxlan/vxlan.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/vnet/vxlan/vxlan.c b/src/vnet/vxlan/vxlan.c
index c274cdb0120..7deb362cfcc 100644
--- a/src/vnet/vxlan/vxlan.c
+++ b/src/vnet/vxlan/vxlan.c
@@ -1134,9 +1134,11 @@ vnet_vxlan_add_del_rx_flow (u32 hw_if_index, u32 t_index, int is_add)
vxlan_main_t *vxm = &vxlan_main;
vnet_flow_t flow = {
.actions =
- VNET_FLOW_ACTION_REDIRECT_TO_NODE | VNET_FLOW_ACTION_MARK,
+ VNET_FLOW_ACTION_REDIRECT_TO_NODE | VNET_FLOW_ACTION_MARK |
+ VNET_FLOW_ACTION_BUFFER_ADVANCE,
.mark_flow_id = t->dev_instance + vxm->flow_id_start,
.redirect_node_index = vxlan4_flow_input_node.index,
+ .buffer_advance = sizeof (ethernet_header_t),
.type = VNET_FLOW_TYPE_IP4_VXLAN,
.ip4_vxlan = {
.src_addr = t->dst.ip4,