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authorSudarsana Reddy Kalluru <sudarsana.kalluru@qlogic.com>2016-08-01 16:08:13 +0300
committerDavid S. Miller <davem@davemloft.net>2016-08-02 08:13:59 +0300
commit1d2c2024dcb7aeb2555db4bfd7f991d247ba0508 (patch)
tree3f6aba2d2ee027d0028726b76bcaef4109d83ac8 /drivers/net
parentbbcecd60209db54e4231e3a69bc425bc8b86096f (diff)
downloadlinux-1d2c2024dcb7aeb2555db4bfd7f991d247ba0508.tar.xz
qed: Fail driver load in 100g MSI mode.
100g support is not available in MSI mode. Failing the driver load in this scenario. Please consider applying this to `net'. 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_main.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/net/ethernet/qlogic/qed/qed_main.c b/drivers/net/ethernet/qlogic/qed/qed_main.c
index 1f13abb5c316..c7dc34bfdd0a 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_main.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_main.c
@@ -659,8 +659,13 @@ static int qed_slowpath_setup_int(struct qed_dev *cdev,
struct qed_sb_cnt_info sb_cnt_info;
int rc;
int i;
- memset(&cdev->int_params, 0, sizeof(struct qed_int_params));
+ 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;
+ }
+
+ memset(&cdev->int_params, 0, sizeof(struct qed_int_params));
cdev->int_params.in.int_mode = int_mode;
for_each_hwfn(cdev, i) {
memset(&sb_cnt_info, 0, sizeof(sb_cnt_info));