X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=vnet%2Fvnet%2Fdevices%2Fdpdk%2Fnode.c;h=770af2a04ac90ea7110a06a8b7fd66b058c9ec94;hb=refs%2Fchanges%2F35%2F135%2F1;hp=f05c37fed52b986f00ad3ead7cf9a44c5f3b0338;hpb=bfdedbd5a3ba7e6fdc036d212253aa55c9062211;p=vpp.git

diff --git a/vnet/vnet/devices/dpdk/node.c b/vnet/vnet/devices/dpdk/node.c
index f05c37fed52..770af2a04ac 100644
--- a/vnet/vnet/devices/dpdk/node.c
+++ b/vnet/vnet/devices/dpdk/node.c
@@ -541,6 +541,7 @@ static inline u32 dpdk_device_input ( dpdk_main_t * dm,
   u32 n_trace, trace_cnt __attribute__((unused));
   vlib_buffer_free_list_t * fl;
   u8 efd_discard_burst = 0;
+  u16 ip_align_offset = 0;
 
   if (xd->admin_up == 0)
     return 0;
@@ -559,6 +560,9 @@ static inline u32 dpdk_device_input ( dpdk_main_t * dm,
       return 0;
     }
 
+  if (xd->pmd == VNET_DPDK_PMD_THUNDERX)
+      ip_align_offset = 6;
+
   vec_reset_length (xd->d_trace_buffers);
   trace_cnt = n_trace = vlib_get_trace_count (vm, node);
 
@@ -706,6 +710,14 @@ static inline u32 dpdk_device_input ( dpdk_main_t * dm,
 
           b0->current_data = l3_offset0;
           b0->current_length = mb->data_len - l3_offset0;
+
+          if (PREDICT_FALSE (ip_align_offset != 0))
+            {
+              if (next0 == DPDK_RX_NEXT_IP4_INPUT ||
+                  next0 == DPDK_RX_NEXT_IP6_INPUT)
+                b0->current_data += ip_align_offset;
+            }
+             
           b0->flags = VLIB_BUFFER_TOTAL_LENGTH_VALID;
 
           if (VMWARE_LENGTH_BUG_WORKAROUND)