linux-kernel - [116/272] RDMA/cxgb4: Set the correct device physical function for iWARP connections

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Date:	Tue, 15 Feb 2011 16:12:53 -0800
From:	Greg KH <gregkh@...e.de>
To:	linux-kernel@...r.kernel.org, stable@...nel.org
Cc:	stable-review@...nel.org, torvalds@...ux-foundation.org,
	akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk,
	Steve Wise <swise@...ngridcomputing.com>,
	Roland Dreier <roland@...estorage.com>
Subject: [116/272] RDMA/cxgb4: Set the correct device physical function for iWARP connections

2.6.37-stable review patch.  If anyone has any objections, please let us know.

------------------

From: Steve Wise <swise@...ngridcomputing.com>

commit 94788657c94169171971968c9d4b6222c5e704aa upstream.

The PF passed to FW was 0, causing PCI failures in an SR-IOV environment.

Signed-off-by: Steve Wise <swise@...ngridcomputing.com>
Signed-off-by: Roland Dreier <roland@...estorage.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>

---
 drivers/infiniband/hw/cxgb4/cm.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/infiniband/hw/cxgb4/cm.c
+++ b/drivers/infiniband/hw/cxgb4/cm.c
@@ -380,7 +380,7 @@ static void send_flowc(struct c4iw_ep *e
 					  16)) | FW_WR_FLOWID(ep->hwtid));
 
 	flowc->mnemval[0].mnemonic = FW_FLOWC_MNEM_PFNVFN;
-	flowc->mnemval[0].val = cpu_to_be32(0);
+	flowc->mnemval[0].val = cpu_to_be32(PCI_FUNC(ep->com.dev->rdev.lldi.pdev->devfn) << 8);
 	flowc->mnemval[1].mnemonic = FW_FLOWC_MNEM_CH;
 	flowc->mnemval[1].val = cpu_to_be32(ep->tx_chan);
 	flowc->mnemval[2].mnemonic = FW_FLOWC_MNEM_PORT;


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