diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/qlogic/qlcnic/qlcnic.h | 2 | ||||
| -rw-r--r-- | drivers/net/ethernet/qlogic/qlcnic/qlcnic_ethtool.c | 2 | ||||
| -rw-r--r-- | drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c | 32 |
3 files changed, 28 insertions, 8 deletions
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h b/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h index 8d02dd75c9a2..f699ccee65dc 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h @@ -1474,7 +1474,7 @@ void qlcnic_diag_free_res(struct net_device *netdev, int max_sds_rings); int qlcnic_diag_alloc_res(struct net_device *netdev, int test); netdev_tx_t qlcnic_xmit_frame(struct sk_buff *skb, struct net_device *netdev); int qlcnic_set_max_rss(struct qlcnic_adapter *, u8, size_t); -int qlcnic_validate_max_rss(u8, u8); +int qlcnic_validate_max_rss(struct qlcnic_adapter *, __u32); void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter); int qlcnic_enable_msix(struct qlcnic_adapter *, u32); diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ethtool.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ethtool.c index 9f7aade4667c..59350c287f63 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ethtool.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ethtool.c @@ -635,7 +635,7 @@ static int qlcnic_set_channels(struct net_device *dev, channel->tx_count != channel->max_tx) return -EINVAL; - err = qlcnic_validate_max_rss(channel->max_rx, channel->rx_count); + err = qlcnic_validate_max_rss(adapter, channel->rx_count); if (err) return err; diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c index 247a9f9b7bdc..0052953a255d 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c @@ -3273,20 +3273,40 @@ qlcnicvf_start_firmware(struct qlcnic_adapter *adapter) return err; } -int qlcnic_validate_max_rss(u8 max_hw, u8 val) +int qlcnic_validate_max_rss(struct qlcnic_adapter *adapter, + __u32 val) { + struct net_device *netdev = adapter->netdev; + u8 max_hw = adapter->ahw->max_rx_ques; u32 max_allowed; - if (max_hw > QLC_MAX_SDS_RINGS) { - max_hw = QLC_MAX_SDS_RINGS; - pr_info("max rss reset to %d\n", QLC_MAX_SDS_RINGS); + if (val > QLC_MAX_SDS_RINGS) { + netdev_err(netdev, "RSS value should not be higher than %u\n", + QLC_MAX_SDS_RINGS); + return -EINVAL; } max_allowed = rounddown_pow_of_two(min_t(int, max_hw, num_online_cpus())); if ((val > max_allowed) || (val < 2) || !is_power_of_2(val)) { - pr_info("rss_ring valid range [2 - %x] in powers of 2\n", - max_allowed); + if (!is_power_of_2(val)) + netdev_err(netdev, "RSS value should be a power of 2\n"); + + if (val < 2) + netdev_err(netdev, "RSS value should not be lower than 2\n"); + + if (val > max_hw) + netdev_err(netdev, + "RSS value should not be higher than[%u], the max RSS rings supported by the adapter\n", + max_hw); + + if (val > num_online_cpus()) + netdev_err(netdev, + "RSS value should not be higher than[%u], number of online CPUs in the system\n", + num_online_cpus()); + + netdev_err(netdev, "Unable to configure %u RSS rings\n", val); + return -EINVAL; } return 0; |