qed: FLR of active VFs might lead to FW assert
authorYuval Mintz <Yuval.Mintz@qlogic.com>
Mon, 22 Aug 2016 09:03:29 +0000 (12:03 +0300)
committerDavid S. Miller <davem@davemloft.net>
Tue, 23 Aug 2016 01:11:38 +0000 (18:11 -0700)
Driver never bothered marking the VF's vport with the VF's sw_fid.
As a result, FLR flows are not going to clean those vports.

If the vport was active when FLRed, re-activating it would lead
to a FW assertion.

Fixes: dacd88d6f6851 ("qed: IOV l2 functionality")
Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/qlogic/qed/qed.h

index 35e53771533fb31ddd7100b4e7931f6aba70b4f1..45ab746765737ae2d9af3d5cb77c5343b9aa0c04 100644 (file)
@@ -561,9 +561,18 @@ struct qed_dev {
 static inline u8 qed_concrete_to_sw_fid(struct qed_dev *cdev,
                                        u32 concrete_fid)
 {
+       u8 vfid = GET_FIELD(concrete_fid, PXP_CONCRETE_FID_VFID);
        u8 pfid = GET_FIELD(concrete_fid, PXP_CONCRETE_FID_PFID);
+       u8 vf_valid = GET_FIELD(concrete_fid,
+                               PXP_CONCRETE_FID_VFVALID);
+       u8 sw_fid;
 
-       return pfid;
+       if (vf_valid)
+               sw_fid = vfid + MAX_NUM_PFS;
+       else
+               sw_fid = pfid;
+
+       return sw_fid;
 }
 
 #define PURE_LB_TC 8