diff options
Diffstat (limited to 'drivers/net/ethernet/intel/igb')
| -rw-r--r-- | drivers/net/ethernet/intel/igb/igb.h | 1 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/igb/igb_ethtool.c | 5 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/igb/igb_main.c | 18 |
3 files changed, 21 insertions, 3 deletions
diff --git a/drivers/net/ethernet/intel/igb/igb.h b/drivers/net/ethernet/intel/igb/igb.h index 82d891e183b1..95f47b9f50d4 100644 --- a/drivers/net/ethernet/intel/igb/igb.h +++ b/drivers/net/ethernet/intel/igb/igb.h @@ -531,6 +531,7 @@ void igb_ptp_rx_pktstamp(struct igb_q_vector *q_vector, unsigned char *va, struct sk_buff *skb); int igb_ptp_set_ts_config(struct net_device *netdev, struct ifreq *ifr); int igb_ptp_get_ts_config(struct net_device *netdev, struct ifreq *ifr); +void igb_set_flag_queue_pairs(struct igb_adapter *, const u32); #ifdef CONFIG_IGB_HWMON void igb_sysfs_exit(struct igb_adapter *adapter); int igb_sysfs_init(struct igb_adapter *adapter); diff --git a/drivers/net/ethernet/intel/igb/igb_ethtool.c b/drivers/net/ethernet/intel/igb/igb_ethtool.c index 02cfd3b14762..aa176cea5a41 100644 --- a/drivers/net/ethernet/intel/igb/igb_ethtool.c +++ b/drivers/net/ethernet/intel/igb/igb_ethtool.c @@ -2979,6 +2979,7 @@ static int igb_set_channels(struct net_device *netdev, { struct igb_adapter *adapter = netdev_priv(netdev); unsigned int count = ch->combined_count; + unsigned int max_combined = 0; /* Verify they are not requesting separate vectors */ if (!count || ch->rx_count || ch->tx_count) @@ -2989,11 +2990,13 @@ static int igb_set_channels(struct net_device *netdev, return -EINVAL; /* Verify the number of channels doesn't exceed hw limits */ - if (count > igb_max_channels(adapter)) + max_combined = igb_max_channels(adapter); + if (count > max_combined) return -EINVAL; if (count != adapter->rss_queues) { adapter->rss_queues = count; + igb_set_flag_queue_pairs(adapter, max_combined); /* Hardware has to reinitialize queues and interrupts to * match the new configuration. diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c index 487cd9c4ac0d..e0f36647d3dd 100644 --- a/drivers/net/ethernet/intel/igb/igb_main.c +++ b/drivers/net/ethernet/intel/igb/igb_main.c @@ -1207,8 +1207,14 @@ static int igb_alloc_q_vector(struct igb_adapter *adapter, /* allocate q_vector and rings */ q_vector = adapter->q_vector[v_idx]; - if (!q_vector) + if (!q_vector) { + q_vector = kzalloc(size, GFP_KERNEL); + } else if (size > ksize(q_vector)) { + kfree_rcu(q_vector, rcu); q_vector = kzalloc(size, GFP_KERNEL); + } else { + memset(q_vector, 0, size); + } if (!q_vector) return -ENOMEM; @@ -2861,7 +2867,7 @@ static void igb_probe_vfs(struct igb_adapter *adapter) return; pci_sriov_set_totalvfs(pdev, 7); - igb_pci_enable_sriov(pdev, max_vfs); + igb_enable_sriov(pdev, max_vfs); #endif /* CONFIG_PCI_IOV */ } @@ -2902,6 +2908,14 @@ static void igb_init_queue_configuration(struct igb_adapter *adapter) adapter->rss_queues = min_t(u32, max_rss_queues, num_online_cpus()); + igb_set_flag_queue_pairs(adapter, max_rss_queues); +} + +void igb_set_flag_queue_pairs(struct igb_adapter *adapter, + const u32 max_rss_queues) +{ + struct e1000_hw *hw = &adapter->hw; + /* Determine if we need to pair queues. */ switch (hw->mac.type) { case e1000_82575: |