RDMA/cxgb4: Set the correct device physical function for iWARP connections

commit 94788657c94169171971968c9d4b6222c5e704aa upstream.

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

Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c
index 0dc62b1..8b00e6c 100644 (file)
--- 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 *ep, struct sk_buff *skb)
                                          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;