From: Yong Liu <yong.liu@intel.com>
Date: Fri, 30 Oct 2015 09:23:08 +0000 (+0800)
Subject: e1000: add interrupt limitations in guide
X-Git-Tag: spdx-start~7751
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=715e96546833fa250d9c1020aa37b359d38f9f84;p=dpdk.git

e1000: add interrupt limitations in guide

Update interrupt related limitations for e1000em nic.
It only support one interrupt source and not support auto-clear.

Signed-off-by: Marvin Liu <yong.liu@intel.com>
Acked-by: John McNamara <john.mcnamara@intel.com>
---

diff --git a/doc/guides/nics/e1000em.rst b/doc/guides/nics/e1000em.rst
index fedafad412..265b147a0a 100644
--- a/doc/guides/nics/e1000em.rst
+++ b/doc/guides/nics/e1000em.rst
@@ -176,3 +176,7 @@ The following are known limitations:
     testpmd [options] -- --mbuf-size=<your-max-packet-size>
 
 #.  Qemu e1000 does not validate the checksum of incoming packets.
+
+#.  Qemu e1000 only supports one interrupt source, so link and Rx interrupt should be exclusive.
+
+#.  Qemu e1000 does not support interrupt auto-clear, application should disable interrupt immediately when woken up.