From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by dpdk.org (Postfix) with ESMTP id 23D0D8DAC for ; Fri, 30 Oct 2015 10:26:33 +0100 (CET) Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga101.jf.intel.com with ESMTP; 30 Oct 2015 02:26:32 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.20,217,1444719600"; d="scan'208";a="807333068" Received: from shvmail01.sh.intel.com ([10.239.29.42]) by orsmga001.jf.intel.com with ESMTP; 30 Oct 2015 02:23:14 -0700 Received: from shecgisg004.sh.intel.com (shecgisg004.sh.intel.com [10.239.29.89]) by shvmail01.sh.intel.com with ESMTP id t9U9NClh010628; Fri, 30 Oct 2015 17:23:12 +0800 Received: from shecgisg004.sh.intel.com (localhost [127.0.0.1]) by shecgisg004.sh.intel.com (8.13.6/8.13.6/SuSE Linux 0.8) with ESMTP id t9U9NAjL003670; Fri, 30 Oct 2015 17:23:12 +0800 Received: (from yliu84x@localhost) by shecgisg004.sh.intel.com (8.13.6/8.13.6/Submit) id t9U9N9xe003666; Fri, 30 Oct 2015 17:23:09 +0800 From: Yong Liu To: dev@dpdk.org Date: Fri, 30 Oct 2015 17:23:08 +0800 Message-Id: <1446196988-3634-1-git-send-email-yong.liu@intel.com> X-Mailer: git-send-email 1.7.4.1 Subject: [dpdk-dev] [PATCH] doc: update user guide about e1000em limitations X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 30 Oct 2015 09:26:34 -0000 Update interrupt related limitations for e1000em nic. It only support one interrupt source and not support auto-clear. Signed-off-by: Marvin Liu diff --git a/doc/guides/nics/e1000em.rst b/doc/guides/nics/e1000em.rst index fedafad..a84e8e1 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= #. Qemu e1000 does not validate the checksum of incoming packets. + +#. Qemu e1000 only support 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 waked up. -- 1.9.3