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bnx2x: improve VF timings

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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: Ariel Elior <ariele@broadcom.com>
Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ariel Elior 2013-06-20 17:39:10 +03:00 committed by David S. Miller
parent af902ae443
commit 03c22ea3f0
1 changed files with 7 additions and 3 deletions
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10
drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c
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@ -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;