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path: root/drivers/net/ethernet/atheros/atl1e/atl1e_main.c
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Diffstat (limited to 'drivers/net/ethernet/atheros/atl1e/atl1e_main.c')
-rw-r--r--drivers/net/ethernet/atheros/atl1e/atl1e_main.c328
1 files changed, 178 insertions, 150 deletions
diff --git a/drivers/net/ethernet/atheros/atl1e/atl1e_main.c b/drivers/net/ethernet/atheros/atl1e/atl1e_main.c
index 1220e511ced..4345332533a 100644
--- a/drivers/net/ethernet/atheros/atl1e/atl1e_main.c
+++ b/drivers/net/ethernet/atheros/atl1e/atl1e_main.c
@@ -89,7 +89,7 @@ static const u16 atl1e_pay_load_size[] = {
128, 256, 512, 1024, 2048, 4096,
};
-/*
+/**
* atl1e_irq_enable - Enable default interrupt generation settings
* @adapter: board private structure
*/
@@ -102,7 +102,7 @@ static inline void atl1e_irq_enable(struct atl1e_adapter *adapter)
}
}
-/*
+/**
* atl1e_irq_disable - Mask off interrupt generation on the NIC
* @adapter: board private structure
*/
@@ -114,7 +114,7 @@ static inline void atl1e_irq_disable(struct atl1e_adapter *adapter)
synchronize_irq(adapter->pdev->irq);
}
-/*
+/**
* atl1e_irq_reset - reset interrupt confiure on the NIC
* @adapter: board private structure
*/
@@ -126,7 +126,7 @@ static inline void atl1e_irq_reset(struct atl1e_adapter *adapter)
AT_WRITE_FLUSH(&adapter->hw);
}
-/*
+/**
* atl1e_phy_config - Timer Call-back
* @data: pointer to netdev cast into an unsigned long
*/
@@ -210,7 +210,7 @@ static int atl1e_check_link(struct atl1e_adapter *adapter)
return 0;
}
-/*
+/**
* atl1e_link_chg_task - deal with link change event Out of interrupt context
* @netdev: network interface device structure
*/
@@ -259,7 +259,7 @@ static void atl1e_cancel_work(struct atl1e_adapter *adapter)
cancel_work_sync(&adapter->link_chg_task);
}
-/*
+/**
* atl1e_tx_timeout - Respond to a Tx Hang
* @netdev: network interface device structure
*/
@@ -271,7 +271,7 @@ static void atl1e_tx_timeout(struct net_device *netdev)
schedule_work(&adapter->reset_task);
}
-/*
+/**
* atl1e_set_multi - Multicast and Promiscuous mode set
* @netdev: network interface device structure
*
@@ -313,9 +313,37 @@ static void atl1e_set_multi(struct net_device *netdev)
}
}
+static void __atl1e_rx_mode(netdev_features_t features, u32 *mac_ctrl_data)
+{
+
+ if (features & NETIF_F_RXALL) {
+ /* enable RX of ALL frames */
+ *mac_ctrl_data |= MAC_CTRL_DBG;
+ } else {
+ /* disable RX of ALL frames */
+ *mac_ctrl_data &= ~MAC_CTRL_DBG;
+ }
+}
+
+static void atl1e_rx_mode(struct net_device *netdev,
+ netdev_features_t features)
+{
+ struct atl1e_adapter *adapter = netdev_priv(netdev);
+ u32 mac_ctrl_data = 0;
+
+ netdev_dbg(adapter->netdev, "%s\n", __func__);
+
+ atl1e_irq_disable(adapter);
+ mac_ctrl_data = AT_READ_REG(&adapter->hw, REG_MAC_CTRL);
+ __atl1e_rx_mode(features, &mac_ctrl_data);
+ AT_WRITE_REG(&adapter->hw, REG_MAC_CTRL, mac_ctrl_data);
+ atl1e_irq_enable(adapter);
+}
+
+
static void __atl1e_vlan_mode(netdev_features_t features, u32 *mac_ctrl_data)
{
- if (features & NETIF_F_HW_VLAN_RX) {
+ if (features & NETIF_F_HW_VLAN_CTAG_RX) {
/* enable VLAN tag insert/strip */
*mac_ctrl_data |= MAC_CTRL_RMV_VLAN;
} else {
@@ -345,7 +373,7 @@ static void atl1e_restore_vlan(struct atl1e_adapter *adapter)
atl1e_vlan_mode(adapter->netdev, adapter->netdev->features);
}
-/*
+/**
* atl1e_set_mac - Change the Ethernet Address of the NIC
* @netdev: network interface device structure
* @p: pointer to an address structure
@@ -378,10 +406,10 @@ static netdev_features_t atl1e_fix_features(struct net_device *netdev,
* Since there is no support for separate rx/tx vlan accel
* enable/disable make sure tx flag is always in same state as rx.
*/
- if (features & NETIF_F_HW_VLAN_RX)
- features |= NETIF_F_HW_VLAN_TX;
+ if (features & NETIF_F_HW_VLAN_CTAG_RX)
+ features |= NETIF_F_HW_VLAN_CTAG_TX;
else
- features &= ~NETIF_F_HW_VLAN_TX;
+ features &= ~NETIF_F_HW_VLAN_CTAG_TX;
return features;
}
@@ -391,13 +419,17 @@ static int atl1e_set_features(struct net_device *netdev,
{
netdev_features_t changed = netdev->features ^ features;
- if (changed & NETIF_F_HW_VLAN_RX)
+ if (changed & NETIF_F_HW_VLAN_CTAG_RX)
atl1e_vlan_mode(netdev, features);
+ if (changed & NETIF_F_RXALL)
+ atl1e_rx_mode(netdev, features);
+
+
return 0;
}
-/*
+/**
* atl1e_change_mtu - Change the Maximum Transfer Unit
* @netdev: network interface device structure
* @new_mtu: new value for maximum frame size
@@ -449,12 +481,6 @@ static void atl1e_mdio_write(struct net_device *netdev, int phy_id,
atl1e_write_phy_reg(&adapter->hw, reg_num & MDIO_REG_ADDR_MASK, val);
}
-/*
- * atl1e_mii_ioctl -
- * @netdev:
- * @ifreq:
- * @cmd:
- */
static int atl1e_mii_ioctl(struct net_device *netdev,
struct ifreq *ifr, int cmd)
{
@@ -505,12 +531,6 @@ out:
}
-/*
- * atl1e_ioctl -
- * @netdev:
- * @ifreq:
- * @cmd:
- */
static int atl1e_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd)
{
switch (cmd) {
@@ -541,17 +561,17 @@ static void atl1e_setup_pcicmd(struct pci_dev *pdev)
msleep(1);
}
-/*
+/**
* atl1e_alloc_queues - Allocate memory for all rings
* @adapter: board private structure to initialize
*
*/
-static int __devinit atl1e_alloc_queues(struct atl1e_adapter *adapter)
+static int atl1e_alloc_queues(struct atl1e_adapter *adapter)
{
return 0;
}
-/*
+/**
* atl1e_sw_init - Initialize general software structures (struct atl1e_adapter)
* @adapter: board private structure to initialize
*
@@ -559,7 +579,7 @@ static int __devinit atl1e_alloc_queues(struct atl1e_adapter *adapter)
* Fields are initialized based on PCI device information and
* OS network device settings (MTU size).
*/
-static int __devinit atl1e_sw_init(struct atl1e_adapter *adapter)
+static int atl1e_sw_init(struct atl1e_adapter *adapter)
{
struct atl1e_hw *hw = &adapter->hw;
struct pci_dev *pdev = adapter->pdev;
@@ -635,14 +655,13 @@ static int __devinit atl1e_sw_init(struct atl1e_adapter *adapter)
return 0;
}
-/*
+/**
* atl1e_clean_tx_ring - Free Tx-skb
* @adapter: board private structure
*/
static void atl1e_clean_tx_ring(struct atl1e_adapter *adapter)
{
- struct atl1e_tx_ring *tx_ring = (struct atl1e_tx_ring *)
- &adapter->tx_ring;
+ struct atl1e_tx_ring *tx_ring = &adapter->tx_ring;
struct atl1e_tx_buffer *tx_buffer = NULL;
struct pci_dev *pdev = adapter->pdev;
u16 index, ring_count;
@@ -679,14 +698,14 @@ static void atl1e_clean_tx_ring(struct atl1e_adapter *adapter)
ring_count);
}
-/*
+/**
* atl1e_clean_rx_ring - Free rx-reservation skbs
* @adapter: board private structure
*/
static void atl1e_clean_rx_ring(struct atl1e_adapter *adapter)
{
struct atl1e_rx_ring *rx_ring =
- (struct atl1e_rx_ring *)&adapter->rx_ring;
+ &adapter->rx_ring;
struct atl1e_rx_page_desc *rx_page_desc = rx_ring->rx_page_desc;
u16 i, j;
@@ -762,7 +781,7 @@ static void atl1e_init_ring_ptrs(struct atl1e_adapter *adapter)
}
}
-/*
+/**
* atl1e_free_ring_resources - Free Tx / RX descriptor Resources
* @adapter: board private structure
*
@@ -787,7 +806,7 @@ static void atl1e_free_ring_resources(struct atl1e_adapter *adapter)
}
}
-/*
+/**
* atl1e_setup_mem_resources - allocate Tx / RX descriptor resources
* @adapter: board private structure
*
@@ -832,8 +851,6 @@ static int atl1e_setup_ring_resources(struct atl1e_adapter *adapter)
size = sizeof(struct atl1e_tx_buffer) * (tx_ring->count);
tx_ring->tx_buffer = kzalloc(size, GFP_KERNEL);
if (tx_ring->tx_buffer == NULL) {
- netdev_err(adapter->netdev, "kzalloc failed, size = D%d\n",
- size);
err = -ENOMEM;
goto failed;
}
@@ -884,14 +901,12 @@ failed:
return err;
}
-static inline void atl1e_configure_des_ring(const struct atl1e_adapter *adapter)
+static inline void atl1e_configure_des_ring(struct atl1e_adapter *adapter)
{
- struct atl1e_hw *hw = (struct atl1e_hw *)&adapter->hw;
- struct atl1e_rx_ring *rx_ring =
- (struct atl1e_rx_ring *)&adapter->rx_ring;
- struct atl1e_tx_ring *tx_ring =
- (struct atl1e_tx_ring *)&adapter->tx_ring;
+ struct atl1e_hw *hw = &adapter->hw;
+ struct atl1e_rx_ring *rx_ring = &adapter->rx_ring;
+ struct atl1e_tx_ring *tx_ring = &adapter->tx_ring;
struct atl1e_rx_page_desc *rx_page_desc = NULL;
int i, j;
@@ -932,7 +947,7 @@ static inline void atl1e_configure_des_ring(const struct atl1e_adapter *adapter)
static inline void atl1e_configure_tx(struct atl1e_adapter *adapter)
{
- struct atl1e_hw *hw = (struct atl1e_hw *)&adapter->hw;
+ struct atl1e_hw *hw = &adapter->hw;
u32 dev_ctrl_data = 0;
u32 max_pay_load = 0;
u32 jumbo_thresh = 0;
@@ -975,7 +990,7 @@ static inline void atl1e_configure_tx(struct atl1e_adapter *adapter)
static inline void atl1e_configure_rx(struct atl1e_adapter *adapter)
{
- struct atl1e_hw *hw = (struct atl1e_hw *)&adapter->hw;
+ struct atl1e_hw *hw = &adapter->hw;
u32 rxf_len = 0;
u32 rxf_low = 0;
u32 rxf_high = 0;
@@ -1074,11 +1089,12 @@ static void atl1e_setup_mac_ctrl(struct atl1e_adapter *adapter)
value |= MAC_CTRL_PROMIS_EN;
if (netdev->flags & IFF_ALLMULTI)
value |= MAC_CTRL_MC_ALL_EN;
-
+ if (netdev->features & NETIF_F_RXALL)
+ value |= MAC_CTRL_DBG;
AT_WRITE_REG(hw, REG_MAC_CTRL, value);
}
-/*
+/**
* atl1e_configure - Configure Transmit&Receive Unit after Reset
* @adapter: board private structure
*
@@ -1148,7 +1164,7 @@ static int atl1e_configure(struct atl1e_adapter *adapter)
return 0;
}
-/*
+/**
* atl1e_get_stats - Get System Network Statistics
* @netdev: network interface device structure
*
@@ -1161,32 +1177,40 @@ static struct net_device_stats *atl1e_get_stats(struct net_device *netdev)
struct atl1e_hw_stats *hw_stats = &adapter->hw_stats;
struct net_device_stats *net_stats = &netdev->stats;
- net_stats->rx_packets = hw_stats->rx_ok;
- net_stats->tx_packets = hw_stats->tx_ok;
net_stats->rx_bytes = hw_stats->rx_byte_cnt;
net_stats->tx_bytes = hw_stats->tx_byte_cnt;
net_stats->multicast = hw_stats->rx_mcast;
net_stats->collisions = hw_stats->tx_1_col +
- hw_stats->tx_2_col * 2 +
- hw_stats->tx_late_col + hw_stats->tx_abort_col;
+ hw_stats->tx_2_col +
+ hw_stats->tx_late_col +
+ hw_stats->tx_abort_col;
+
+ net_stats->rx_errors = hw_stats->rx_frag +
+ hw_stats->rx_fcs_err +
+ hw_stats->rx_len_err +
+ hw_stats->rx_sz_ov +
+ hw_stats->rx_rrd_ov +
+ hw_stats->rx_align_err +
+ hw_stats->rx_rxf_ov;
- net_stats->rx_errors = hw_stats->rx_frag + hw_stats->rx_fcs_err +
- hw_stats->rx_len_err + hw_stats->rx_sz_ov +
- hw_stats->rx_rrd_ov + hw_stats->rx_align_err;
net_stats->rx_fifo_errors = hw_stats->rx_rxf_ov;
net_stats->rx_length_errors = hw_stats->rx_len_err;
net_stats->rx_crc_errors = hw_stats->rx_fcs_err;
net_stats->rx_frame_errors = hw_stats->rx_align_err;
- net_stats->rx_over_errors = hw_stats->rx_rrd_ov + hw_stats->rx_rxf_ov;
+ net_stats->rx_dropped = hw_stats->rx_rrd_ov;
- net_stats->rx_missed_errors = hw_stats->rx_rrd_ov + hw_stats->rx_rxf_ov;
+ net_stats->tx_errors = hw_stats->tx_late_col +
+ hw_stats->tx_abort_col +
+ hw_stats->tx_underrun +
+ hw_stats->tx_trunc;
- net_stats->tx_errors = hw_stats->tx_late_col + hw_stats->tx_abort_col +
- hw_stats->tx_underrun + hw_stats->tx_trunc;
net_stats->tx_fifo_errors = hw_stats->tx_underrun;
net_stats->tx_aborted_errors = hw_stats->tx_abort_col;
net_stats->tx_window_errors = hw_stats->tx_late_col;
+ net_stats->rx_packets = hw_stats->rx_ok + net_stats->rx_errors;
+ net_stats->tx_packets = hw_stats->tx_ok + net_stats->tx_errors;
+
return net_stats;
}
@@ -1224,8 +1248,7 @@ static inline void atl1e_clear_phy_int(struct atl1e_adapter *adapter)
static bool atl1e_clean_tx_irq(struct atl1e_adapter *adapter)
{
- struct atl1e_tx_ring *tx_ring = (struct atl1e_tx_ring *)
- &adapter->tx_ring;
+ struct atl1e_tx_ring *tx_ring = &adapter->tx_ring;
struct atl1e_tx_buffer *tx_buffer = NULL;
u16 hw_next_to_clean = AT_READ_REGW(&adapter->hw, REG_TPD_CONS_IDX);
u16 next_to_clean = atomic_read(&tx_ring->next_to_clean);
@@ -1261,11 +1284,10 @@ static bool atl1e_clean_tx_irq(struct atl1e_adapter *adapter)
return true;
}
-/*
+/**
* atl1e_intr - Interrupt Handler
* @irq: interrupt number
* @data: pointer to a network interface device structure
- * @pt_regs: CPU registers structure
*/
static irqreturn_t atl1e_intr(int irq, void *data)
{
@@ -1384,15 +1406,14 @@ static struct atl1e_rx_page *atl1e_get_rx_page(struct atl1e_adapter *adapter,
(struct atl1e_rx_page_desc *) adapter->rx_ring.rx_page_desc;
u8 rx_using = rx_page_desc[que].rx_using;
- return (struct atl1e_rx_page *)&(rx_page_desc[que].rx_page[rx_using]);
+ return &(rx_page_desc[que].rx_page[rx_using]);
}
static void atl1e_clean_rx_irq(struct atl1e_adapter *adapter, u8 que,
int *work_done, int work_to_do)
{
struct net_device *netdev = adapter->netdev;
- struct atl1e_rx_ring *rx_ring = (struct atl1e_rx_ring *)
- &adapter->rx_ring;
+ struct atl1e_rx_ring *rx_ring = &adapter->rx_ring;
struct atl1e_rx_page_desc *rx_page_desc =
(struct atl1e_rx_page_desc *) rx_ring->rx_page_desc;
struct sk_buff *skb = NULL;
@@ -1425,7 +1446,8 @@ static void atl1e_clean_rx_irq(struct atl1e_adapter *adapter, u8 que,
rx_page_desc[que].rx_nxseq++;
/* error packet */
- if (prrs->pkt_flag & RRS_IS_ERR_FRAME) {
+ if ((prrs->pkt_flag & RRS_IS_ERR_FRAME) &&
+ !(netdev->features & NETIF_F_RXALL)) {
if (prrs->err_flag & (RRS_ERR_BAD_CRC |
RRS_ERR_DRIBBLE | RRS_ERR_CODE |
RRS_ERR_TRUNC)) {
@@ -1438,13 +1460,14 @@ static void atl1e_clean_rx_irq(struct atl1e_adapter *adapter, u8 que,
}
packet_size = ((prrs->word1 >> RRS_PKT_SIZE_SHIFT) &
- RRS_PKT_SIZE_MASK) - 4; /* CRC */
+ RRS_PKT_SIZE_MASK);
+ if (likely(!(netdev->features & NETIF_F_RXFCS)))
+ packet_size -= 4; /* CRC */
+
skb = netdev_alloc_skb_ip_align(netdev, packet_size);
- if (skb == NULL) {
- netdev_warn(netdev,
- "Memory squeeze, deferring packet\n");
+ if (skb == NULL)
goto skip_pkt;
- }
+
memcpy(skb->data, (u8 *)(prrs + 1), packet_size);
skb_put(skb, packet_size);
skb->protocol = eth_type_trans(skb, netdev);
@@ -1457,7 +1480,7 @@ static void atl1e_clean_rx_irq(struct atl1e_adapter *adapter, u8 que,
netdev_dbg(netdev,
"RXD VLAN TAG<RRD>=0x%04x\n",
prrs->vtag);
- __vlan_hwaccel_put_tag(skb, vlan_tag);
+ __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), vlan_tag);
}
netif_receive_skb(skb);
@@ -1494,9 +1517,8 @@ fatal_err:
schedule_work(&adapter->reset_task);
}
-/*
+/**
* atl1e_clean - NAPI Rx polling callback
- * @adapter: board private structure
*/
static int atl1e_clean(struct napi_struct *napi, int budget)
{
@@ -1576,7 +1598,7 @@ static struct atl1e_tpd_desc *atl1e_get_tpd(struct atl1e_adapter *adapter)
tx_ring->next_to_use = 0;
memset(&tx_ring->desc[next_to_use], 0, sizeof(struct atl1e_tpd_desc));
- return (struct atl1e_tpd_desc *)&tx_ring->desc[next_to_use];
+ return &tx_ring->desc[next_to_use];
}
static struct atl1e_tx_buffer *
@@ -1619,17 +1641,17 @@ static u16 atl1e_cal_tdp_req(const struct sk_buff *skb)
static int atl1e_tso_csum(struct atl1e_adapter *adapter,
struct sk_buff *skb, struct atl1e_tpd_desc *tpd)
{
+ unsigned short offload_type;
u8 hdr_len;
u32 real_len;
- unsigned short offload_type;
- int err;
if (skb_is_gso(skb)) {
- if (skb_header_cloned(skb)) {
- err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC);
- if (unlikely(err))
- return -1;
- }
+ int err;
+
+ err = skb_cow_head(skb, 0);
+ if (err < 0)
+ return err;
+
offload_type = skb_shinfo(skb)->gso_type;
if (offload_type & SKB_GSO_TCPV4) {
@@ -1688,8 +1710,8 @@ check_sum:
return 0;
}
-static void atl1e_tx_map(struct atl1e_adapter *adapter,
- struct sk_buff *skb, struct atl1e_tpd_desc *tpd)
+static int atl1e_tx_map(struct atl1e_adapter *adapter,
+ struct sk_buff *skb, struct atl1e_tpd_desc *tpd)
{
struct atl1e_tpd_desc *use_tpd = NULL;
struct atl1e_tx_buffer *tx_buffer = NULL;
@@ -1700,6 +1722,8 @@ static void atl1e_tx_map(struct atl1e_adapter *adapter,
u16 nr_frags;
u16 f;
int segment;
+ int ring_start = adapter->tx_ring.next_to_use;
+ int ring_end;
nr_frags = skb_shinfo(skb)->nr_frags;
segment = (tpd->word3 >> TPD_SEGMENT_EN_SHIFT) & TPD_SEGMENT_EN_MASK;
@@ -1712,6 +1736,9 @@ static void atl1e_tx_map(struct atl1e_adapter *adapter,
tx_buffer->length = map_len;
tx_buffer->dma = pci_map_single(adapter->pdev,
skb->data, hdr_len, PCI_DMA_TODEVICE);
+ if (dma_mapping_error(&adapter->pdev->dev, tx_buffer->dma))
+ return -ENOSPC;
+
ATL1E_SET_PCIMAP_TYPE(tx_buffer, ATL1E_TX_PCIMAP_SINGLE);
mapped_len += map_len;
use_tpd->buffer_addr = cpu_to_le64(tx_buffer->dma);
@@ -1738,6 +1765,22 @@ static void atl1e_tx_map(struct atl1e_adapter *adapter,
tx_buffer->dma =
pci_map_single(adapter->pdev, skb->data + mapped_len,
map_len, PCI_DMA_TODEVICE);
+
+ if (dma_mapping_error(&adapter->pdev->dev, tx_buffer->dma)) {
+ /* We need to unwind the mappings we've done */
+ ring_end = adapter->tx_ring.next_to_use;
+ adapter->tx_ring.next_to_use = ring_start;
+ while (adapter->tx_ring.next_to_use != ring_end) {
+ tpd = atl1e_get_tpd(adapter);
+ tx_buffer = atl1e_get_tx_buffer(adapter, tpd);
+ pci_unmap_single(adapter->pdev, tx_buffer->dma,
+ tx_buffer->length, PCI_DMA_TODEVICE);
+ }
+ /* Reset the tx rings next pointer */
+ adapter->tx_ring.next_to_use = ring_start;
+ return -ENOSPC;
+ }
+
ATL1E_SET_PCIMAP_TYPE(tx_buffer, ATL1E_TX_PCIMAP_SINGLE);
mapped_len += map_len;
use_tpd->buffer_addr = cpu_to_le64(tx_buffer->dma);
@@ -1773,6 +1816,23 @@ static void atl1e_tx_map(struct atl1e_adapter *adapter,
(i * MAX_TX_BUF_LEN),
tx_buffer->length,
DMA_TO_DEVICE);
+
+ if (dma_mapping_error(&adapter->pdev->dev, tx_buffer->dma)) {
+ /* We need to unwind the mappings we've done */
+ ring_end = adapter->tx_ring.next_to_use;
+ adapter->tx_ring.next_to_use = ring_start;
+ while (adapter->tx_ring.next_to_use != ring_end) {
+ tpd = atl1e_get_tpd(adapter);
+ tx_buffer = atl1e_get_tx_buffer(adapter, tpd);
+ dma_unmap_page(&adapter->pdev->dev, tx_buffer->dma,
+ tx_buffer->length, DMA_TO_DEVICE);
+ }
+
+ /* Reset the ring next to use pointer */
+ adapter->tx_ring.next_to_use = ring_start;
+ return -ENOSPC;
+ }
+
ATL1E_SET_PCIMAP_TYPE(tx_buffer, ATL1E_TX_PCIMAP_PAGE);
use_tpd->buffer_addr = cpu_to_le64(tx_buffer->dma);
use_tpd->word2 = (use_tpd->word2 & (~TPD_BUFLEN_MASK)) |
@@ -1790,6 +1850,7 @@ static void atl1e_tx_map(struct atl1e_adapter *adapter,
/* The last buffer info contain the skb address,
so it will be free after unmap */
tx_buffer->skb = skb;
+ return 0;
}
static void atl1e_tx_queue(struct atl1e_adapter *adapter, u16 count,
@@ -1857,10 +1918,15 @@ static netdev_tx_t atl1e_xmit_frame(struct sk_buff *skb,
return NETDEV_TX_OK;
}
- atl1e_tx_map(adapter, skb, tpd);
+ if (atl1e_tx_map(adapter, skb, tpd)) {
+ dev_kfree_skb_any(skb);
+ goto out;
+ }
+
atl1e_tx_queue(adapter, tpd_req, tpd);
netdev->trans_start = jiffies; /* NETIF_F_LLTX driver :( */
+out:
spin_unlock_irqrestore(&adapter->tx_lock, flags);
return NETDEV_TX_OK;
}
@@ -1870,34 +1936,19 @@ static void atl1e_free_irq(struct atl1e_adapter *adapter)
struct net_device *netdev = adapter->netdev;
free_irq(adapter->pdev->irq, netdev);
-
- if (adapter->have_msi)
- pci_disable_msi(adapter->pdev);
}
static int atl1e_request_irq(struct atl1e_adapter *adapter)
{
struct pci_dev *pdev = adapter->pdev;
struct net_device *netdev = adapter->netdev;
- int flags = 0;
int err = 0;
- adapter->have_msi = true;
- err = pci_enable_msi(pdev);
- if (err) {
- netdev_dbg(netdev,
- "Unable to allocate MSI interrupt Error: %d\n", err);
- adapter->have_msi = false;
- }
-
- if (!adapter->have_msi)
- flags |= IRQF_SHARED;
- err = request_irq(pdev->irq, atl1e_intr, flags, netdev->name, netdev);
+ err = request_irq(pdev->irq, atl1e_intr, IRQF_SHARED, netdev->name,
+ netdev);
if (err) {
netdev_dbg(adapter->netdev,
"Unable to allocate interrupt Error: %d\n", err);
- if (adapter->have_msi)
- pci_disable_msi(pdev);
return err;
}
netdev_dbg(netdev, "atl1e_request_irq OK\n");
@@ -1961,7 +2012,7 @@ void atl1e_down(struct atl1e_adapter *adapter)
atl1e_clean_rx_ring(adapter);
}
-/*
+/**
* atl1e_open - Called when a network interface is made active
* @netdev: network interface device structure
*
@@ -2007,7 +2058,7 @@ err_req_irq:
return err;
}
-/*
+/**
* atl1e_close - Disables a network interface
* @netdev: network interface device structure
*
@@ -2061,8 +2112,8 @@ static int atl1e_suspend(struct pci_dev *pdev, pm_message_t state)
if (wufc) {
/* get link status */
- atl1e_read_phy_reg(hw, MII_BMSR, (u16 *)&mii_bmsr_data);
- atl1e_read_phy_reg(hw, MII_BMSR, (u16 *)&mii_bmsr_data);
+ atl1e_read_phy_reg(hw, MII_BMSR, &mii_bmsr_data);
+ atl1e_read_phy_reg(hw, MII_BMSR, &mii_bmsr_data);
mii_advertise_data = ADVERTISE_10HALF;
@@ -2086,7 +2137,7 @@ static int atl1e_suspend(struct pci_dev *pdev, pm_message_t state)
for (i = 0; i < AT_SUSPEND_LINK_TIMEOUT; i++) {
msleep(100);
atl1e_read_phy_reg(hw, MII_BMSR,
- (u16 *)&mii_bmsr_data);
+ &mii_bmsr_data);
if (mii_bmsr_data & BMSR_LSTATUS)
break;
}
@@ -2236,14 +2287,15 @@ static int atl1e_init_netdev(struct net_device *netdev, struct pci_dev *pdev)
atl1e_set_ethtool_ops(netdev);
netdev->hw_features = NETIF_F_SG | NETIF_F_HW_CSUM | NETIF_F_TSO |
- NETIF_F_HW_VLAN_RX;
+ NETIF_F_HW_VLAN_CTAG_RX;
netdev->features = netdev->hw_features | NETIF_F_LLTX |
- NETIF_F_HW_VLAN_TX;
-
+ NETIF_F_HW_VLAN_CTAG_TX;
+ /* not enabled by default */
+ netdev->hw_features |= NETIF_F_RXALL | NETIF_F_RXFCS;
return 0;
}
-/*
+/**
* atl1e_probe - Device Initialization Routine
* @pdev: PCI device information struct
* @ent: entry in atl1e_pci_tbl
@@ -2254,8 +2306,7 @@ static int atl1e_init_netdev(struct net_device *netdev, struct pci_dev *pdev)
* The OS initialization, configuring of the adapter private structure,
* and a hardware reset occur.
*/
-static int __devinit atl1e_probe(struct pci_dev *pdev,
- const struct pci_device_id *ent)
+static int atl1e_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
{
struct net_device *netdev;
struct atl1e_adapter *adapter = NULL;
@@ -2362,11 +2413,11 @@ static int __devinit atl1e_probe(struct pci_dev *pdev,
}
memcpy(netdev->dev_addr, adapter->hw.mac_addr, netdev->addr_len);
- memcpy(netdev->perm_addr, adapter->hw.mac_addr, netdev->addr_len);
netdev_dbg(netdev, "mac address : %pM\n", adapter->hw.mac_addr);
INIT_WORK(&adapter->reset_task, atl1e_reset_task);
INIT_WORK(&adapter->link_chg_task, atl1e_link_chg_task);
+ netif_set_gso_max_size(netdev, MAX_TSO_SEG_SIZE);
err = register_netdev(netdev);
if (err) {
netdev_err(netdev, "register netdevice failed\n");
@@ -2385,7 +2436,7 @@ err_reset:
err_register:
err_sw_init:
err_eeprom:
- iounmap(adapter->hw.hw_addr);
+ pci_iounmap(pdev, adapter->hw.hw_addr);
err_init_netdev:
err_ioremap:
free_netdev(netdev);
@@ -2397,7 +2448,7 @@ err_dma:
return err;
}
-/*
+/**
* atl1e_remove - Device Removal Routine
* @pdev: PCI device information struct
*
@@ -2406,7 +2457,7 @@ err_dma:
* Hot-Plug event, or because the driver is going to be removed from
* memory.
*/
-static void __devexit atl1e_remove(struct pci_dev *pdev)
+static void atl1e_remove(struct pci_dev *pdev)
{
struct net_device *netdev = pci_get_drvdata(pdev);
struct atl1e_adapter *adapter = netdev_priv(netdev);
@@ -2423,13 +2474,13 @@ static void __devexit atl1e_remove(struct pci_dev *pdev)
unregister_netdev(netdev);
atl1e_free_ring_resources(adapter);
atl1e_force_ps(&adapter->hw);
- iounmap(adapter->hw.hw_addr);
+ pci_iounmap(pdev, adapter->hw.hw_addr);
pci_release_regions(pdev);
free_netdev(netdev);
pci_disable_device(pdev);
}
-/*
+/**
* atl1e_io_error_detected - called when PCI error is detected
* @pdev: Pointer to PCI device
* @state: The current pci connection state
@@ -2457,7 +2508,7 @@ atl1e_io_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
return PCI_ERS_RESULT_NEED_RESET;
}
-/*
+/**
* atl1e_io_slot_reset - called after the pci bus has been reset.
* @pdev: Pointer to PCI device
*
@@ -2484,7 +2535,7 @@ static pci_ers_result_t atl1e_io_slot_reset(struct pci_dev *pdev)
return PCI_ERS_RESULT_RECOVERED;
}
-/*
+/**
* atl1e_io_resume - called when traffic can start flowing again.
* @pdev: Pointer to PCI device
*
@@ -2508,7 +2559,7 @@ static void atl1e_io_resume(struct pci_dev *pdev)
netif_device_attach(netdev);
}
-static struct pci_error_handlers atl1e_err_handler = {
+static const struct pci_error_handlers atl1e_err_handler = {
.error_detected = atl1e_io_error_detected,
.slot_reset = atl1e_io_slot_reset,
.resume = atl1e_io_resume,
@@ -2518,7 +2569,7 @@ static struct pci_driver atl1e_driver = {
.name = atl1e_driver_name,
.id_table = atl1e_pci_tbl,
.probe = atl1e_probe,
- .remove = __devexit_p(atl1e_remove),
+ .remove = atl1e_remove,
/* Power Management Hooks */
#ifdef CONFIG_PM
.suspend = atl1e_suspend,
@@ -2528,27 +2579,4 @@ static struct pci_driver atl1e_driver = {
.err_handler = &atl1e_err_handler
};
-/*
- * atl1e_init_module - Driver Registration Routine
- *
- * atl1e_init_module is the first routine called when the driver is
- * loaded. All it does is register with the PCI subsystem.
- */
-static int __init atl1e_init_module(void)
-{
- return pci_register_driver(&atl1e_driver);
-}
-
-/*
- * atl1e_exit_module - Driver Exit Cleanup Routine
- *
- * atl1e_exit_module is called just before the driver is removed
- * from memory.
- */
-static void __exit atl1e_exit_module(void)
-{
- pci_unregister_driver(&atl1e_driver);
-}
-
-module_init(atl1e_init_module);
-module_exit(atl1e_exit_module);
+module_pci_driver(atl1e_driver);