dpdk: fix enic pmd driver tx function

Adding a patch to fix DPDK 2.2.0 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: Ic4f3be83865367306785a57e2694e0ccfa295c7b
Signed-off-by: Yoann Desmouceaux <[email protected]>

diff --git a/dpdk/dpdk-2.2.0_patches/0010-enic-fix-dma-addr-of-outgoing-packets.patch b/dpdk/dpdk-2.2.0_patches/0010-enic-fix-dma-addr-of-outgoing-packets.patch
new file mode 100644 (file)
index 0000000..a524007
--- /dev/null
+++ b/dpdk/dpdk-2.2.0_patches/0010-enic-fix-dma-addr-of-outgoing-packets.patch
@@ -0,0 +1,28 @@
+From c68ded695938b43682d4bd7dfaf40e5b267dfe3b Mon Sep 17 00:00:00 2001
+From: Yoann Desmouceaux <[email protected]>
+Date: Fri, 19 Feb 2016 12:49:29 +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 07a9810..f818c32 100644
+--- a/drivers/net/enic/enic_main.c
++++ b/drivers/net/enic/enic_main.c
+@@ -166,7 +166,7 @@ void enic_send_pkt(struct enic *enic, struct vnic_wq *wq,
+       uint16_t mss = 0;
+       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
+