igb: misc whitespace/formatting cleanups
This patch is intended to hold several whitespace, formatting, and comment cleanups that have been found while cleaning up the igb driver. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Acked-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Alexander Duyck
David S. Miller
Родитель
eaf5d59092
Коммит
73cd78f1d3
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@ -1691,7 +1691,6 @@ static int igb_close(struct net_device *netdev)
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*
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* Return 0 on success, negative on failure
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**/
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int igb_setup_tx_resources(struct igb_adapter *adapter,
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struct igb_ring *tx_ring)
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{
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@ -1771,13 +1770,13 @@ static void igb_configure_tx(struct igb_adapter *adapter)
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int i, j;
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for (i = 0; i < adapter->num_tx_queues; i++) {
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struct igb_ring *ring = &(adapter->tx_ring[i]);
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struct igb_ring *ring = &adapter->tx_ring[i];
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j = ring->reg_idx;
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wr32(E1000_TDLEN(j),
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ring->count * sizeof(struct e1000_tx_desc));
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ring->count * sizeof(struct e1000_tx_desc));
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tdba = ring->dma;
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wr32(E1000_TDBAL(j),
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tdba & 0x00000000ffffffffULL);
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tdba & 0x00000000ffffffffULL);
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wr32(E1000_TDBAH(j), tdba >> 32);
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ring->head = E1000_TDH(j);
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@ -1797,8 +1796,6 @@ static void igb_configure_tx(struct igb_adapter *adapter)
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wr32(E1000_DCA_TXCTRL(j), txctrl);
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}
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/* Use the default values for the Tx Inter Packet Gap (IPG) timer */
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/* Program the Transmit Control Register */
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@ -1826,7 +1823,6 @@ static void igb_configure_tx(struct igb_adapter *adapter)
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*
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* Returns 0 on success, negative on failure
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**/
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int igb_setup_rx_resources(struct igb_adapter *adapter,
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struct igb_ring *rx_ring)
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{
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@ -1913,7 +1909,7 @@ static void igb_setup_rctl(struct igb_adapter *adapter)
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* enable stripping of CRC. It's unlikely this will break BMC
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* redirection as it did with e1000. Newer features require
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* that the HW strips the CRC.
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*/
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*/
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rctl |= E1000_RCTL_SECRC;
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/*
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@ -1991,14 +1987,14 @@ static void igb_configure_rx(struct igb_adapter *adapter)
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/* Setup the HW Rx Head and Tail Descriptor Pointers and
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* the Base and Length of the Rx Descriptor Ring */
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for (i = 0; i < adapter->num_rx_queues; i++) {
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struct igb_ring *ring = &(adapter->rx_ring[i]);
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struct igb_ring *ring = &adapter->rx_ring[i];
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j = ring->reg_idx;
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rdba = ring->dma;
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wr32(E1000_RDBAL(j),
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rdba & 0x00000000ffffffffULL);
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rdba & 0x00000000ffffffffULL);
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wr32(E1000_RDBAH(j), rdba >> 32);
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wr32(E1000_RDLEN(j),
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ring->count * sizeof(union e1000_adv_rx_desc));
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ring->count * sizeof(union e1000_adv_rx_desc));
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ring->head = E1000_RDH(j);
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ring->tail = E1000_RDT(j);
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@ -2136,6 +2132,7 @@ static void igb_unmap_and_free_tx_resource(struct igb_adapter *adapter,
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buffer_info->skb = NULL;
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}
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buffer_info->time_stamp = 0;
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buffer_info->next_to_watch = 0;
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/* buffer_info must be completely set up in the transmit path */
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}
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@ -2701,15 +2698,13 @@ static void igb_set_itr(struct igb_adapter *adapter)
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adapter->tx_itr,
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adapter->tx_ring->total_packets,
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adapter->tx_ring->total_bytes);
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current_itr = max(adapter->rx_itr, adapter->tx_itr);
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} else {
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current_itr = adapter->rx_itr;
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}
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/* conservative mode (itr 3) eliminates the lowest_latency setting */
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if (adapter->itr_setting == 3 &&
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current_itr == lowest_latency)
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if (adapter->itr_setting == 3 && current_itr == lowest_latency)
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current_itr = low_latency;
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switch (current_itr) {
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@ -2827,7 +2822,7 @@ static inline int igb_tso_adv(struct igb_adapter *adapter,
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mss_l4len_idx = (skb_shinfo(skb)->gso_size << E1000_ADVTXD_MSS_SHIFT);
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mss_l4len_idx |= (l4len << E1000_ADVTXD_L4LEN_SHIFT);
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/* Context index must be unique per ring. */
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/* For 82575, context index must be unique per ring. */
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if (adapter->flags & IGB_FLAG_NEED_CTX_IDX)
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mss_l4len_idx |= tx_ring->queue_index << 4;
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@ -2911,8 +2906,6 @@ static inline bool igb_tx_csum_adv(struct igb_adapter *adapter,
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return true;
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}
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return false;
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}
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@ -3136,7 +3129,6 @@ static int igb_xmit_frame_ring_adv(struct sk_buff *skb,
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tx_flags |= IGB_TX_FLAGS_IPV4;
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first = tx_ring->next_to_use;
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tso = skb_is_gso(skb) ? igb_tso_adv(adapter, tx_ring, skb, tx_flags,
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&hdr_len) : 0;
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@ -3210,8 +3202,7 @@ static void igb_reset_task(struct work_struct *work)
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* Returns the address of the device statistics structure.
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* The statistics are actually updated from the timer callback.
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**/
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static struct net_device_stats *
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igb_get_stats(struct net_device *netdev)
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static struct net_device_stats *igb_get_stats(struct net_device *netdev)
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{
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struct igb_adapter *adapter = netdev_priv(netdev);
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@ -3245,6 +3236,7 @@ static int igb_change_mtu(struct net_device *netdev, int new_mtu)
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while (test_and_set_bit(__IGB_RESETTING, &adapter->state))
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msleep(1);
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/* igb_down has a dependency on max_frame_size */
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adapter->max_frame_size = max_frame;
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if (netif_running(netdev))
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@ -3414,8 +3406,7 @@ void igb_update_stats(struct igb_adapter *adapter)
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/* Phy Stats */
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if (hw->phy.media_type == e1000_media_type_copper) {
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if ((adapter->link_speed == SPEED_1000) &&
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(!igb_read_phy_reg(hw, PHY_1000T_STATUS,
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&phy_tmp))) {
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(!igb_read_phy_reg(hw, PHY_1000T_STATUS, &phy_tmp))) {
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phy_tmp &= PHY_IDLE_ERROR_COUNT_MASK;
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adapter->phy_stats.idle_errors += phy_tmp;
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}
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@ -3427,7 +3418,6 @@ void igb_update_stats(struct igb_adapter *adapter)
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adapter->stats.mgpdc += rd32(E1000_MGTPDC);
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}
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static irqreturn_t igb_msix_other(int irq, void *data)
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{
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struct net_device *netdev = data;
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@ -3465,6 +3455,7 @@ static irqreturn_t igb_msix_tx(int irq, void *data)
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if (adapter->flags & IGB_FLAG_DCA_ENABLED)
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igb_update_tx_dca(tx_ring);
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#endif
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tx_ring->total_bytes = 0;
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tx_ring->total_packets = 0;
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@ -3485,13 +3476,11 @@ static void igb_write_itr(struct igb_ring *ring)
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if ((ring->adapter->itr_setting & 3) && ring->set_itr) {
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switch (hw->mac.type) {
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case e1000_82576:
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wr32(ring->itr_register,
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ring->itr_val |
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wr32(ring->itr_register, ring->itr_val |
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0x80000000);
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break;
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default:
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wr32(ring->itr_register,
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ring->itr_val |
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wr32(ring->itr_register, ring->itr_val |
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(ring->itr_val << 16));
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break;
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}
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@ -3762,7 +3751,6 @@ static int igb_clean_rx_ring_msix(struct napi_struct *napi, int budget)
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#endif
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igb_clean_rx_irq_adv(rx_ring, &work_done, budget);
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/* If not enough Rx work done, exit the polling mode */
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if ((work_done == 0) || !netif_running(netdev)) {
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napi_complete(napi);
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@ -3773,7 +3761,6 @@ static int igb_clean_rx_ring_msix(struct napi_struct *napi, int budget)
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else
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igb_update_ring_itr(rx_ring);
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}
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if (!test_bit(__IGB_DOWN, &adapter->state))
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wr32(E1000_EIMS, rx_ring->eims_value);
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@ -3869,7 +3856,6 @@ static bool igb_clean_tx_irq(struct igb_ring *tx_ring)
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if (i == tx_ring->count)
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i = 0;
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}
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eop = tx_ring->buffer_info[i].next_to_watch;
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eop_desc = E1000_TX_DESC_ADV(*tx_ring, eop);
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}
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@ -3938,7 +3924,7 @@ static bool igb_clean_tx_irq(struct igb_ring *tx_ring)
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* igb_receive_skb - helper function to handle rx indications
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* @ring: pointer to receive ring receving this packet
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* @status: descriptor status field as written by hardware
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* @vlan: descriptor vlan field as written by hardware (no le/be conversion)
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* @rx_desc: receive descriptor containing vlan and type information.
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* @skb: pointer to sk_buff to be indicated to stack
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**/
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static void igb_receive_skb(struct igb_ring *ring, u8 status,
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@ -3965,7 +3951,6 @@ static void igb_receive_skb(struct igb_ring *ring, u8 status,
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}
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}
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static inline void igb_rx_checksum_adv(struct igb_adapter *adapter,
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u32 status_err, struct sk_buff *skb)
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{
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@ -3998,11 +3983,11 @@ static bool igb_clean_rx_irq_adv(struct igb_ring *rx_ring,
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union e1000_adv_rx_desc *rx_desc , *next_rxd;
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struct igb_buffer *buffer_info , *next_buffer;
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struct sk_buff *skb;
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unsigned int i;
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u32 length, hlen, staterr;
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bool cleaned = false;
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int cleaned_count = 0;
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unsigned int total_bytes = 0, total_packets = 0;
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unsigned int i;
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u32 length, hlen, staterr;
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i = rx_ring->next_to_clean;
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buffer_info = &rx_ring->buffer_info[i];
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@ -4050,8 +4035,7 @@ static bool igb_clean_rx_irq_adv(struct igb_ring *rx_ring,
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if (!skb_shinfo(skb)->nr_frags) {
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pci_unmap_single(pdev, buffer_info->dma,
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adapter->rx_ps_hdr_size +
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NET_IP_ALIGN,
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adapter->rx_ps_hdr_size + NET_IP_ALIGN,
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PCI_DMA_FROMDEVICE);
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skb_put(skb, hlen);
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}
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@ -4171,7 +4155,6 @@ next_desc:
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return cleaned;
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}
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/**
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* igb_alloc_rx_buffers_adv - Replace used receive buffers; packet split
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* @adapter: address of board private structure
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@ -4619,7 +4602,6 @@ int igb_set_spd_dplx(struct igb_adapter *adapter, u16 spddplx)
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return 0;
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}
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static int igb_suspend(struct pci_dev *pdev, pm_message_t state)
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{
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struct net_device *netdev = pci_get_drvdata(pdev);
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