avf: fix checksum offload configuration

Fix some configurations of avf checksum offload to get the correct
udp and tcp checksum. Change Tx checksum offload capability since
avf supports ipv4, tcp and udp offload all. Remove the operation to
swap bit of checksum.

Type: fix

Signed-off-by: Ting Xu <[email protected]>
Change-Id: I55a916cc9ee6bef5b2074b5b6bb5f517fc2c178d
(cherry picked from commit 26d841870f5ad5d14883ec1b69c381f4b73cb279)

diff --git a/src/plugins/avf/device.c b/src/plugins/avf/device.c
index b0f6244..c405d2e 100644 (file)
--- a/src/plugins/avf/device.c
+++ b/src/plugins/avf/device.c
@@ -1763,7 +1763,7 @@ avf_create_if (vlib_main_t * vm, avf_create_if_args_t * args)
   /* set hw interface caps */
   vnet_hw_if_set_caps (vnm, ad->hw_if_index,
                       VNET_HW_IF_CAP_INT_MODE | VNET_HW_IF_CAP_MAC_FILTER |
-                        VNET_HW_IF_CAP_L4_TX_CKSUM | VNET_HW_IF_CAP_TCP_GSO);
+                        VNET_HW_IF_CAP_TX_CKSUM | VNET_HW_IF_CAP_TCP_GSO);
 
   for (i = 0; i < ad->n_rx_queues; i++)
     {

diff --git a/src/plugins/avf/output.c b/src/plugins/avf/output.c
index 8cc76a6..116b055 100644 (file)
--- a/src/plugins/avf/output.c
+++ b/src/plugins/avf/output.c
@@ -123,8 +123,6 @@ avf_tx_prepare_cksum (vlib_buffer_t * b, u8 is_tso)
          sum = ~clib_ip_csum ((u8 *) &psh, sizeof (psh));
        }
 
-  /* ip_csum does a byte swap for some reason... */
-  sum = clib_net_to_host_u16 (sum);
   if (is_tcp)
     tcp->checksum = sum;
   else