From: Damjan Marion <damarion@cisco.com>
Date: Wed, 5 Jul 2017 16:13:10 +0000 (+0200)
Subject: memif: mask interrupts on startup if we are in the polling mode
X-Git-Tag: v17.10-rc1~361
X-Git-Url: https://gerrit.fd.io/r/gitweb?a=commitdiff_plain;h=refs%2Fchanges%2F27%2F7427%2F3;p=vpp.git

memif: mask interrupts on startup if we are in the polling mode

Change-Id: Ief02eb1109a1bc463665d9747e9fa4e0c0e3d7e0
Signed-off-by: Damjan Marion <damarion@cisco.com>
---

diff --git a/src/plugins/memif/memif.c b/src/plugins/memif/memif.c
index fffb94c952b..ba1231495c8 100644
--- a/src/plugins/memif/memif.c
+++ b/src/plugins/memif/memif.c
@@ -227,6 +227,14 @@ memif_connect (memif_if_t * mif)
       clib_warning
 	("Warning: unable to set rx mode for interface %d queue %d: "
 	 "rc=%d", mif->hw_if_index, i, rv);
+    else
+      {
+	vnet_hw_interface_rx_mode rxmode;
+	vnet_hw_interface_get_rx_mode (vnm, mif->hw_if_index, i, &rxmode);
+
+	if (rxmode == VNET_HW_INTERFACE_RX_MODE_POLLING)
+	  mq->ring->flags |= MEMIF_RING_FLAG_MASK_INT;
+      }
   }
 
   mif->flags &= ~MEMIF_IF_FLAG_CONNECTING;