From owner-svn-src-head@freebsd.org  Mon Jan 11 17:52:43 2016
Return-Path: <owner-svn-src-head@freebsd.org>
Delivered-To: svn-src-head@mailman.ysv.freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org
 [IPv6:2001:1900:2254:206a::19:1])
 by mailman.ysv.freebsd.org (Postfix) with ESMTP id D9DFFA6B243;
 Mon, 11 Jan 2016 17:52:43 +0000 (UTC) (envelope-from np@FreeBSD.org)
Received: from repo.freebsd.org (repo.freebsd.org
 [IPv6:2610:1c1:1:6068::e6a:0])
 (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))
 (Client did not present a certificate)
 by mx1.freebsd.org (Postfix) with ESMTPS id AC5001AE9;
 Mon, 11 Jan 2016 17:52:43 +0000 (UTC) (envelope-from np@FreeBSD.org)
Received: from repo.freebsd.org ([127.0.1.37])
 by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id u0BHqgcj038959;
 Mon, 11 Jan 2016 17:52:42 GMT (envelope-from np@FreeBSD.org)
Received: (from np@localhost)
 by repo.freebsd.org (8.15.2/8.15.2/Submit) id u0BHqgCE038958;
 Mon, 11 Jan 2016 17:52:42 GMT (envelope-from np@FreeBSD.org)
Message-Id: <201601111752.u0BHqgCE038958@repo.freebsd.org>
X-Authentication-Warning: repo.freebsd.org: np set sender to np@FreeBSD.org
 using -f
From: Navdeep Parhar <np@FreeBSD.org>
Date: Mon, 11 Jan 2016 17:52:42 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
 svn-src-head@freebsd.org
Subject: svn commit: r293674 - head/sys/dev/cxgbe
X-SVN-Group: head
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
X-BeenThere: svn-src-head@freebsd.org
X-Mailman-Version: 2.1.20
Precedence: list
List-Id: SVN commit messages for the src tree for head/-current
 <svn-src-head.freebsd.org>
List-Unsubscribe: <https://lists.freebsd.org/mailman/options/svn-src-head>,
 <mailto:svn-src-head-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/svn-src-head/>
List-Post: <mailto:svn-src-head@freebsd.org>
List-Help: <mailto:svn-src-head-request@freebsd.org?subject=help>
List-Subscribe: <https://lists.freebsd.org/mailman/listinfo/svn-src-head>,
 <mailto:svn-src-head-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Mon, 11 Jan 2016 17:52:43 -0000

Author: np
Date: Mon Jan 11 17:52:42 2016
New Revision: 293674
URL: https://svnweb.freebsd.org/changeset/base/293674

Log:
  cxgbe: bind the ithreads that handle NIC rx to the correct CPU if the kernel
  is built with option RSS.

Modified:
  head/sys/dev/cxgbe/t4_main.c

Modified: head/sys/dev/cxgbe/t4_main.c
==============================================================================
--- head/sys/dev/cxgbe/t4_main.c	Mon Jan 11 17:33:51 2016	(r293673)
+++ head/sys/dev/cxgbe/t4_main.c	Mon Jan 11 17:52:42 2016	(r293674)
@@ -3642,6 +3642,9 @@ setup_intr_handlers(struct adapter *sc)
 #ifdef DEV_NETMAP
 	struct sge_nm_rxq *nm_rxq;
 #endif
+#ifdef RSS
+	int nbuckets = rss_getnumbuckets();
+#endif
 
 	/*
 	 * Setup interrupts.
@@ -3700,6 +3703,10 @@ setup_intr_handlers(struct adapter *sc)
 					    t4_intr, rxq, s);
 					if (rc != 0)
 						return (rc);
+#ifdef RSS
+					bus_bind_intr(sc->dev, irq->res,
+					    rss_getcpu(q % nbuckets));
+#endif
 					irq++;
 					rid++;
 					vi->nintr++;