]> git.hungrycats.org Git - linux/commitdiff
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)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sun, 22 Jul 2018 13:16:01 +0000 (15:16 +0200)
[ Upstream commit 538f8d00ba8bb417c4d9e76c61dee59d812d8287 ]

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/net/ethernet/qlogic/qed/qed_dev.c
drivers/net/ethernet/qlogic/qed/qed_sriov.c

index d2ad5e92c74f57a7d1fcd2f50ff296ba849071cd..5644b24d85b01b361259a56d778f360ebd090624 100644 (file)
@@ -1789,7 +1789,7 @@ 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 5acb91b3564c43b96ae4d5c40e7d2a0e412b1118..419c681ea2be1790d9eaae00d85563c15466e1af 100644 (file)
@@ -4400,6 +4400,8 @@ 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)) {
@@ -4412,8 +4414,8 @@ 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,
@@ -4449,6 +4451,19 @@ 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: