dpdk: remove rte_mbuf modifications at many places in the code

It is sole responsibility of dpdk tx function to fill/update
rte_mbuf prior to sending packet do PMD.

Change-Id: I8ca1dba3e7bef41034d36e3525831849f7ac4ac0
Signed-off-by: Damjan Marion <damarion@cisco.com>

1 files changed, 0 insertions, 30 deletions

diff --git a/vnet/vnet/ip/ip6_forward.c b/vnet/vnet/ip/ip6_forward.c
index 14dd9dfbdf0..f3cd640a841 100644
--- a/vnet/vnet/ip/ip6_forward.c
+++ b/vnet/vnet/ip/ip6_forward.c
@@ -1177,35 +1177,6 @@ u16 ip6_tcp_udp_icmp_compute_checksum (vlib_main_t * vm, vlib_buffer_t * p0, ip6
    }
 
   n_bytes_left = n_this_buffer = payload_length_host_byte_order;
-#if DPDK > 0
-  if (p0 && n_this_buffer + headers_size  > p0->current_length)
-  {
-    struct rte_mbuf *mb = rte_mbuf_from_vlib_buffer(p0);
-    u8 nb_segs = mb->nb_segs;
-
-    n_this_buffer = (p0->current_length > headers_size ?
-		     p0->current_length - headers_size : 0);
-    while (n_bytes_left)
-      {
-	sum0 = ip_incremental_checksum (sum0, data_this_buffer, n_this_buffer);
-	n_bytes_left -= n_this_buffer;
-
-	mb = mb->next;
-	nb_segs--;
-	if ((nb_segs == 0) || (mb == 0))
-	  break;
-
-	data_this_buffer = rte_ctrlmbuf_data(mb);
-	n_this_buffer = mb->data_len;
-      }
-    if (n_bytes_left || nb_segs)
-      {
-	*bogus_lengthp = 1;
-	return 0xfefe;
-      }
-  }
-  else sum0 = ip_incremental_checksum (sum0, data_this_buffer, n_this_buffer);
-#else
   if (p0 && n_this_buffer + headers_size  > p0->current_length)
     n_this_buffer = p0->current_length > headers_size  ? p0->current_length - headers_size  : 0;
   while (1)
@@ -1224,7 +1195,6 @@ u16 ip6_tcp_udp_icmp_compute_checksum (vlib_main_t * vm, vlib_buffer_t * p0, ip6
       data_this_buffer = vlib_buffer_get_current (p0);
       n_this_buffer = p0->current_length;
     }
-#endif /* DPDK */
 
   sum16 = ~ ip_csum_fold (sum0);