From: Matthew Smith <mgsmith@netgate.com>
Date: Thu, 22 Feb 2018 20:44:03 +0000 (-0600)
Subject: Disable scatter-gather for ENA
X-Git-Tag: v18.04-rc1~270
X-Git-Url: https://gerrit.fd.io/r/gitweb?a=commitdiff_plain;h=refs%2Fchanges%2F67%2F10767%2F2;p=vpp.git

Disable scatter-gather for ENA

ENA doesn't support scatter-gather. The PMD started
failing rte_eth_dev_rx_queue_config() in DPDK 18.02
if the flag to enable it is set. Turn the flag off in
dpdk_lib_init().

Change-Id: Ifdd9f188c89b46efe82412c75fb935a92436da1c
Signed-off-by: Matthew Smith <mgsmith@netgate.com>
---

diff --git a/src/plugins/dpdk/device/init.c b/src/plugins/dpdk/device/init.c
index d719d4b7153..0aaead0553a 100755
--- a/src/plugins/dpdk/device/init.c
+++ b/src/plugins/dpdk/device/init.c
@@ -408,6 +408,7 @@ dpdk_lib_init (dpdk_main_t * dm)
 
 	    case VNET_DPDK_PMD_ENA:
 	      xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
+	      xd->port_conf.rxmode.enable_scatter = 0;
 	      break;
 
 	    case VNET_DPDK_PMD_DPAA2: