diff options
Diffstat (limited to 'drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c')
| -rw-r--r-- | drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c | 33 |
1 files changed, 31 insertions, 2 deletions
diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c index 80bab261a0ec..eee29bddddc1 100644 --- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c +++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c @@ -1660,6 +1660,28 @@ static void ixgbevf_rx_desc_queue_enable(struct ixgbevf_adapter *adapter, reg_idx); } +/** + * ixgbevf_init_rss_key - Initialize adapter RSS key + * @adapter: device handle + * + * Allocates and initializes the RSS key if it is not allocated. + **/ +static inline int ixgbevf_init_rss_key(struct ixgbevf_adapter *adapter) +{ + u32 *rss_key; + + if (!adapter->rss_key) { + rss_key = kzalloc(IXGBEVF_RSS_HASH_KEY_SIZE, GFP_KERNEL); + if (unlikely(!rss_key)) + return -ENOMEM; + + netdev_rss_key_fill(rss_key, IXGBEVF_RSS_HASH_KEY_SIZE); + adapter->rss_key = rss_key; + } + + return 0; +} + static void ixgbevf_setup_vfmrqc(struct ixgbevf_adapter *adapter) { struct ixgbe_hw *hw = &adapter->hw; @@ -1668,9 +1690,8 @@ static void ixgbevf_setup_vfmrqc(struct ixgbevf_adapter *adapter) u8 i, j; /* Fill out hash function seeds */ - netdev_rss_key_fill(adapter->rss_key, sizeof(adapter->rss_key)); for (i = 0; i < IXGBEVF_VFRSSRK_REGS; i++) - IXGBE_WRITE_REG(hw, IXGBE_VFRSSRK(i), adapter->rss_key[i]); + IXGBE_WRITE_REG(hw, IXGBE_VFRSSRK(i), *(adapter->rss_key + i)); for (i = 0, j = 0; i < IXGBEVF_X550_VFRETA_SIZE; i++, j++) { if (j == rss_i) @@ -2611,6 +2632,12 @@ static int ixgbevf_sw_init(struct ixgbevf_adapter *adapter) hw->mbx.ops.init_params(hw); + if (hw->mac.type >= ixgbe_mac_X550_vf) { + err = ixgbevf_init_rss_key(adapter); + if (err) + goto out; + } + /* assume legacy case in which PF would only give VF 2 queues */ hw->mac.max_tx_queues = 2; hw->mac.max_rx_queues = 2; @@ -4127,6 +4154,7 @@ err_register: err_sw_init: ixgbevf_reset_interrupt_capability(adapter); iounmap(adapter->io_addr); + kfree(adapter->rss_key); err_ioremap: disable_dev = !test_and_set_bit(__IXGBEVF_DISABLED, &adapter->state); free_netdev(netdev); @@ -4173,6 +4201,7 @@ static void ixgbevf_remove(struct pci_dev *pdev) hw_dbg(&adapter->hw, "Remove complete\n"); + kfree(adapter->rss_key); disable_dev = !test_and_set_bit(__IXGBEVF_DISABLED, &adapter->state); free_netdev(netdev); |