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Commit 03c22ea3 authored by Ariel Elior's avatar Ariel Elior Committed by David S. Miller
Browse files

bnx2x: improve VF timings 



Wait 100ms for FLR to complete in parallel over all VFs instead of serializing
the waits (which can amount to several seconds with 64 VFs).

Signed-off-by: default avatarAriel Elior <ariele@broadcom.com>
Signed-off-by: default avatarYuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: default avatarEilon Greenstein <eilong@broadcom.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent af902ae4

drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c

+7 −3
Original line number Diff line number Diff line
@@ -1469,9 +1469,6 @@ static u8 bnx2x_vf_is_pcie_pending(struct bnx2x *bp, u8 abs_vfid) 


int bnx2x_vf_flr_clnup_epilog(struct bnx2x *bp, u8 abs_vfid)

{

	/* Wait 100ms */

	msleep(100);



	/* Verify no pending pci transactions */

	if (bnx2x_vf_is_pcie_pending(bp, abs_vfid))

		BNX2X_ERR("PCIE Transactions still pending\n");
@@ -2174,6 +2171,9 @@ int bnx2x_iov_nic_init(struct bnx2x *bp) 


	DP(BNX2X_MSG_IOV, "num of vfs: %d\n", (bp)->vfdb->sriov.nr_virtfn);



	/* let FLR complete ... */

	msleep(100);



	/* initialize vf database */

	for_each_vf(bp, vfid) {

		struct bnx2x_virtf *vf = BP_VF(bp, vfid);
@@ -2775,6 +2775,10 @@ int bnx2x_vf_init(struct bnx2x *bp, struct bnx2x_virtf *vf, dma_addr_t *sb_map) 
		   vf->abs_vfid, vf->state);

		return -EINVAL;

	}



	/* let FLR complete ... */

	msleep(100);



	/* FLR cleanup epilogue */

	if (bnx2x_vf_flr_clnup_epilog(bp, vf->abs_vfid))

		return -EBUSY;