dpdk: fix enic pmd driver tx function

Adding a patch to fix DPDK enic PMD driver TX function.

The enic PMD driver send function uses a constant offset instead of relying on the data_off in the mbuf to find the start of the packet.

Change-Id: I74dbcce949f08e39070a369d992a90586af140a6
Signed-off-by: Yoann Desmouceaux <[email protected]>

diff --git a/dpdk/dpdk-2.1.0_patches/0008-enic-fix-dma-addr-of-outgoing-packets.patch b/dpdk/dpdk-2.1.0_patches/0008-enic-fix-dma-addr-of-outgoing-packets.patch
new file mode 100644 (file)
index 0000000..31e828c
--- /dev/null
+++ b/dpdk/dpdk-2.1.0_patches/0008-enic-fix-dma-addr-of-outgoing-packets.patch
@@ -0,0 +1,28 @@
+From cbb6efb18835860f06a9e02bf63a9fbc2e19d192 Mon Sep 17 00:00:00 2001
+From: Yoann Desmouceaux <[email protected]>
+Date: Fri, 19 Feb 2016 10:50:51 +0100
+Subject: [PATCH] enic: fix dma addr of outgoing packets
+
+The enic PMD driver send function uses a constant offset instead of relying on the data_off in the mbuf to find the start of the packet.
+
+Signed-off-by: Yoann Desmouceaux <[email protected]>
+---
+ drivers/net/enic/enic_main.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/drivers/net/enic/enic_main.c b/drivers/net/enic/enic_main.c
+index f47e96c..7bad59c 100644
+--- a/drivers/net/enic/enic_main.c
++++ b/drivers/net/enic/enic_main.c
+@@ -163,7 +163,7 @@ int enic_send_pkt(struct enic *enic, struct vnic_wq *wq,
+       uint8_t cq_entry = eop;
+       uint8_t vlan_tag_insert = 0;
+       uint64_t bus_addr = (dma_addr_t)
+-          (tx_pkt->buf_physaddr + RTE_PKTMBUF_HEADROOM);
++          (tx_pkt->buf_physaddr + tx_pkt->data_off);
+ 
+       if (sop) {
+               if (ol_flags & PKT_TX_VLAN_PKT)
+-- 
+2.1.4
+