diff options
author | Sudarsana Reddy Kalluru <sudarsana.kalluru@qlogic.com> | 2016-05-26 11:01:23 +0300 |
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committer | David S. Miller <davem@davemloft.net> | 2016-05-26 12:27:33 -0700 |
commit | bb13ace7dca5d2385847e43511acf5777da35c0e (patch) | |
tree | 6e9571781a81e6f037d041bae67a8a296c1267fe /drivers/net | |
parent | 1af9dcf7f90e6b75b7c42eaaf19cdd5da1354784 (diff) | |
download | linux-bb13ace7dca5d2385847e43511acf5777da35c0e.tar.gz linux-bb13ace7dca5d2385847e43511acf5777da35c0e.tar.bz2 linux-bb13ace7dca5d2385847e43511acf5777da35c0e.zip |
qed: Prevent 100g from working in MSI
Adapter can support 100g in both MSIx and INTa, but not in MSI.
Signed-off-by: Sudarsana Reddy Kalluru <sudarsana.kalluru@qlogic.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
-rw-r--r-- | drivers/net/ethernet/qlogic/qed/qed_dev.c | 5 | ||||
-rw-r--r-- | drivers/net/ethernet/qlogic/qed/qed_main.c | 18 |
2 files changed, 15 insertions, 8 deletions
diff --git a/drivers/net/ethernet/qlogic/qed/qed_dev.c b/drivers/net/ethernet/qlogic/qed/qed_dev.c index 2a7c8755eda0..579c6d500865 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_dev.c +++ b/drivers/net/ethernet/qlogic/qed/qed_dev.c @@ -835,6 +835,11 @@ int qed_hw_init(struct qed_dev *cdev, u32 load_code, param; int rc, mfw_rc, i; + if ((int_mode == QED_INT_MODE_MSI) && (cdev->num_hwfns > 1)) { + DP_NOTICE(cdev, "MSI mode is not supported for CMT devices\n"); + return -EINVAL; + } + if (IS_PF(cdev)) { rc = qed_init_fw_data(cdev, bin_fw_data); if (rc != 0) diff --git a/drivers/net/ethernet/qlogic/qed/qed_main.c b/drivers/net/ethernet/qlogic/qed/qed_main.c index 8b22f87033ce..753064679bde 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_main.c +++ b/drivers/net/ethernet/qlogic/qed/qed_main.c @@ -413,15 +413,17 @@ static int qed_set_int_mode(struct qed_dev *cdev, bool force_mode) /* Fallthrough */ case QED_INT_MODE_MSI: - rc = pci_enable_msi(cdev->pdev); - if (!rc) { - int_params->out.int_mode = QED_INT_MODE_MSI; - goto out; - } + if (cdev->num_hwfns == 1) { + rc = pci_enable_msi(cdev->pdev); + if (!rc) { + int_params->out.int_mode = QED_INT_MODE_MSI; + goto out; + } - DP_NOTICE(cdev, "Failed to enable MSI\n"); - if (force_mode) - goto out; + DP_NOTICE(cdev, "Failed to enable MSI\n"); + if (force_mode) + goto out; + } /* Fallthrough */ case QED_INT_MODE_INTA: |