From: Dmitry Bogdanov dbogdanov@marvell.com
[ Upstream commit 0367f05885b9f21d062447bd2ba1302ba3cc7392 ]
In some configurations ARFS cannot be used, so disable it if device is not capable.
Fixes: e4917d46a653 ("qede: Add aRFS support") Signed-off-by: Manish Chopra manishc@marvell.com Signed-off-by: Igor Russkikh irusskikh@marvell.com Signed-off-by: Michal Kalderon michal.kalderon@marvell.com Signed-off-by: Dmitry Bogdanov dbogdanov@marvell.com Signed-off-by: David S. Miller davem@davemloft.net Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/net/ethernet/qlogic/qede/qede_filter.c | 3 +++ drivers/net/ethernet/qlogic/qede/qede_main.c | 11 +++++------ 2 files changed, 8 insertions(+), 6 deletions(-)
diff --git a/drivers/net/ethernet/qlogic/qede/qede_filter.c b/drivers/net/ethernet/qlogic/qede/qede_filter.c index c8bdbf057d5a2..5041994bf03fb 100644 --- a/drivers/net/ethernet/qlogic/qede/qede_filter.c +++ b/drivers/net/ethernet/qlogic/qede/qede_filter.c @@ -336,6 +336,9 @@ int qede_alloc_arfs(struct qede_dev *edev) { int i;
+ if (!edev->dev_info.common.b_arfs_capable) + return -EINVAL; + edev->arfs = vzalloc(sizeof(*edev->arfs)); if (!edev->arfs) return -ENOMEM; diff --git a/drivers/net/ethernet/qlogic/qede/qede_main.c b/drivers/net/ethernet/qlogic/qede/qede_main.c index 2c3d654c84543..ce3e62e73e4cd 100644 --- a/drivers/net/ethernet/qlogic/qede/qede_main.c +++ b/drivers/net/ethernet/qlogic/qede/qede_main.c @@ -770,7 +770,7 @@ static void qede_init_ndev(struct qede_dev *edev) NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | NETIF_F_TSO | NETIF_F_TSO6 | NETIF_F_HW_TC;
- if (!IS_VF(edev) && edev->dev_info.common.num_hwfns == 1) + if (edev->dev_info.common.b_arfs_capable) hw_features |= NETIF_F_NTUPLE;
if (edev->dev_info.common.vxlan_enable || @@ -2211,7 +2211,7 @@ static void qede_unload(struct qede_dev *edev, enum qede_unload_mode mode, qede_vlan_mark_nonconfigured(edev); edev->ops->fastpath_stop(edev->cdev);
- if (!IS_VF(edev) && edev->dev_info.common.num_hwfns == 1) { + if (edev->dev_info.common.b_arfs_capable) { qede_poll_for_freeing_arfs_filters(edev); qede_free_arfs(edev); } @@ -2278,10 +2278,9 @@ static int qede_load(struct qede_dev *edev, enum qede_load_mode mode, if (rc) goto err2;
- if (!IS_VF(edev) && edev->dev_info.common.num_hwfns == 1) { - rc = qede_alloc_arfs(edev); - if (rc) - DP_NOTICE(edev, "aRFS memory allocation failed\n"); + if (qede_alloc_arfs(edev)) { + edev->ndev->features &= ~NETIF_F_NTUPLE; + edev->dev_info.common.b_arfs_capable = false; }
qede_napi_add_enable(edev);