qed: Fix setting of incorrect eswitch mode.
authorSudarsana Reddy Kalluru <sudarsana.kalluru@cavium.com>
Mon, 2 Jul 2018 03:03:06 +0000 (20:03 -0700)
committerDavid S. Miller <davem@davemloft.net>
Mon, 2 Jul 2018 11:41:30 +0000 (20:41 +0900)
By default, driver sets the eswitch mode incorrectly as VEB (virtual
Ethernet bridging).
Need to set VEB eswitch mode only when sriov is enabled, and it should be
to set NONE by default. The patch incorporates this change.

Fixes: 0fefbfbaa ("qed*: Management firmware - notifications and defaults")
Signed-off-by: Sudarsana Reddy Kalluru <Sudarsana.Kalluru@cavium.com>
Signed-off-by: Michal Kalderon <Michal.Kalderon@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/qlogic/qed/qed_dev.c
drivers/net/ethernet/qlogic/qed/qed_sriov.c

index 329781cda77fbecc88328ea95f00e39d4be5db9b..e5249b4741d03f7c347c70a861288b787653741a 100644 (file)
@@ -1804,7 +1804,7 @@ int qed_hw_init(struct qed_dev *cdev, struct qed_hw_init_params *p_params)
                        DP_INFO(p_hwfn, "Failed to update driver state\n");
 
                rc = qed_mcp_ov_update_eswitch(p_hwfn, p_hwfn->p_main_ptt,
-                                              QED_OV_ESWITCH_VEB);
+                                              QED_OV_ESWITCH_NONE);
                if (rc)
                        DP_INFO(p_hwfn, "Failed to update eswitch mode\n");
        }
index f01bf52bc381f6f02c33ee3d9df4a90982cf8245..fd59cf45f4be8cb008d8728398870cc1ab41210b 100644 (file)
@@ -4513,6 +4513,8 @@ static void qed_sriov_enable_qid_config(struct qed_hwfn *hwfn,
 static int qed_sriov_enable(struct qed_dev *cdev, int num)
 {
        struct qed_iov_vf_init_params params;
+       struct qed_hwfn *hwfn;
+       struct qed_ptt *ptt;
        int i, j, rc;
 
        if (num >= RESC_NUM(&cdev->hwfns[0], QED_VPORT)) {
@@ -4525,8 +4527,8 @@ static int qed_sriov_enable(struct qed_dev *cdev, int num)
 
        /* Initialize HW for VF access */
        for_each_hwfn(cdev, j) {
-               struct qed_hwfn *hwfn = &cdev->hwfns[j];
-               struct qed_ptt *ptt = qed_ptt_acquire(hwfn);
+               hwfn = &cdev->hwfns[j];
+               ptt = qed_ptt_acquire(hwfn);
 
                /* Make sure not to use more than 16 queues per VF */
                params.num_queues = min_t(int,
@@ -4562,6 +4564,19 @@ static int qed_sriov_enable(struct qed_dev *cdev, int num)
                goto err;
        }
 
+       hwfn = QED_LEADING_HWFN(cdev);
+       ptt = qed_ptt_acquire(hwfn);
+       if (!ptt) {
+               DP_ERR(hwfn, "Failed to acquire ptt\n");
+               rc = -EBUSY;
+               goto err;
+       }
+
+       rc = qed_mcp_ov_update_eswitch(hwfn, ptt, QED_OV_ESWITCH_VEB);
+       if (rc)
+               DP_INFO(cdev, "Failed to update eswitch mode\n");
+       qed_ptt_release(hwfn, ptt);
+
        return num;
 
 err: