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net: sky2: convert to hw_features
Caveats: - driver modifies vlan_features on HW VLAN TX changes - broken RX checksum will be reenabled on features change Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
parent
872674858f
commit
f5d640371d
2 changed files with 61 additions and 105 deletions
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@ -1198,12 +1198,12 @@ static void rx_set_checksum(struct sky2_port *sky2)
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sky2_write32(sky2->hw,
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sky2_write32(sky2->hw,
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Q_ADDR(rxqaddr[sky2->port], Q_CSR),
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Q_ADDR(rxqaddr[sky2->port], Q_CSR),
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(sky2->flags & SKY2_FLAG_RX_CHECKSUM)
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(sky2->netdev->features & NETIF_F_RXCSUM)
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? BMU_ENA_RX_CHKSUM : BMU_DIS_RX_CHKSUM);
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? BMU_ENA_RX_CHKSUM : BMU_DIS_RX_CHKSUM);
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}
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}
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/* Enable/disable receive hash calculation (RSS) */
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/* Enable/disable receive hash calculation (RSS) */
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static void rx_set_rss(struct net_device *dev)
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static void rx_set_rss(struct net_device *dev, u32 features)
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{
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{
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struct sky2_port *sky2 = netdev_priv(dev);
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struct sky2_port *sky2 = netdev_priv(dev);
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struct sky2_hw *hw = sky2->hw;
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struct sky2_hw *hw = sky2->hw;
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@ -1216,7 +1216,7 @@ static void rx_set_rss(struct net_device *dev)
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}
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}
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/* Program RSS initial values */
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/* Program RSS initial values */
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if (dev->features & NETIF_F_RXHASH) {
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if (features & NETIF_F_RXHASH) {
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u32 key[nkeys];
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u32 key[nkeys];
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get_random_bytes(key, nkeys * sizeof(u32));
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get_random_bytes(key, nkeys * sizeof(u32));
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@ -1322,32 +1322,32 @@ static int sky2_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
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return err;
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return err;
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}
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}
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#define NETIF_F_ALL_VLAN (NETIF_F_HW_VLAN_TX|NETIF_F_HW_VLAN_RX)
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#define SKY2_VLAN_OFFLOADS (NETIF_F_IP_CSUM | NETIF_F_SG | NETIF_F_TSO)
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static void sky2_vlan_mode(struct net_device *dev)
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static void sky2_vlan_mode(struct net_device *dev, u32 features)
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{
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{
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struct sky2_port *sky2 = netdev_priv(dev);
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struct sky2_port *sky2 = netdev_priv(dev);
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struct sky2_hw *hw = sky2->hw;
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struct sky2_hw *hw = sky2->hw;
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u16 port = sky2->port;
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u16 port = sky2->port;
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if (dev->features & NETIF_F_HW_VLAN_RX)
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if (features & NETIF_F_HW_VLAN_RX)
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sky2_write32(hw, SK_REG(port, RX_GMF_CTRL_T),
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sky2_write32(hw, SK_REG(port, RX_GMF_CTRL_T),
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RX_VLAN_STRIP_ON);
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RX_VLAN_STRIP_ON);
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else
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else
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sky2_write32(hw, SK_REG(port, RX_GMF_CTRL_T),
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sky2_write32(hw, SK_REG(port, RX_GMF_CTRL_T),
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RX_VLAN_STRIP_OFF);
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RX_VLAN_STRIP_OFF);
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dev->vlan_features = dev->features &~ NETIF_F_ALL_VLAN;
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if (features & NETIF_F_HW_VLAN_TX) {
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if (dev->features & NETIF_F_HW_VLAN_TX)
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sky2_write32(hw, SK_REG(port, TX_GMF_CTRL_T),
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sky2_write32(hw, SK_REG(port, TX_GMF_CTRL_T),
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TX_VLAN_TAG_ON);
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TX_VLAN_TAG_ON);
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else {
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dev->vlan_features |= SKY2_VLAN_OFFLOADS;
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} else {
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sky2_write32(hw, SK_REG(port, TX_GMF_CTRL_T),
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sky2_write32(hw, SK_REG(port, TX_GMF_CTRL_T),
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TX_VLAN_TAG_OFF);
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TX_VLAN_TAG_OFF);
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/* Can't do transmit offload of vlan without hw vlan */
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/* Can't do transmit offload of vlan without hw vlan */
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dev->vlan_features &= ~(NETIF_F_TSO | NETIF_F_SG
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dev->vlan_features &= ~SKY2_VLAN_OFFLOADS;
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| NETIF_F_ALL_CSUM);
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}
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}
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}
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}
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@ -1463,7 +1463,7 @@ static void sky2_rx_start(struct sky2_port *sky2)
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rx_set_checksum(sky2);
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rx_set_checksum(sky2);
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if (!(hw->flags & SKY2_HW_RSS_BROKEN))
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if (!(hw->flags & SKY2_HW_RSS_BROKEN))
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rx_set_rss(sky2->netdev);
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rx_set_rss(sky2->netdev, sky2->netdev->features);
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/* submit Rx ring */
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/* submit Rx ring */
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for (i = 0; i < sky2->rx_pending; i++) {
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for (i = 0; i < sky2->rx_pending; i++) {
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@ -1626,7 +1626,8 @@ static void sky2_hw_up(struct sky2_port *sky2)
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sky2_prefetch_init(hw, txqaddr[port], sky2->tx_le_map,
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sky2_prefetch_init(hw, txqaddr[port], sky2->tx_le_map,
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sky2->tx_ring_size - 1);
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sky2->tx_ring_size - 1);
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sky2_vlan_mode(sky2->netdev);
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sky2_vlan_mode(sky2->netdev, sky2->netdev->features);
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netdev_update_features(sky2->netdev);
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sky2_rx_start(sky2);
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sky2_rx_start(sky2);
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}
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}
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@ -2261,12 +2262,9 @@ static int sky2_change_mtu(struct net_device *dev, int new_mtu)
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hw->chip_id == CHIP_ID_YUKON_FE_P))
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hw->chip_id == CHIP_ID_YUKON_FE_P))
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return -EINVAL;
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return -EINVAL;
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/* TSO, etc on Yukon Ultra and MTU > 1500 not supported */
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if (new_mtu > ETH_DATA_LEN && hw->chip_id == CHIP_ID_YUKON_EC_U)
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dev->features &= ~(NETIF_F_TSO|NETIF_F_SG|NETIF_F_ALL_CSUM);
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if (!netif_running(dev)) {
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if (!netif_running(dev)) {
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dev->mtu = new_mtu;
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dev->mtu = new_mtu;
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netdev_update_features(dev);
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return 0;
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return 0;
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}
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}
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@ -2288,6 +2286,7 @@ static int sky2_change_mtu(struct net_device *dev, int new_mtu)
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sky2_rx_clean(sky2);
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sky2_rx_clean(sky2);
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dev->mtu = new_mtu;
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dev->mtu = new_mtu;
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netdev_update_features(dev);
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mode = DATA_BLIND_VAL(DATA_BLIND_DEF) |
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mode = DATA_BLIND_VAL(DATA_BLIND_DEF) |
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GM_SMOD_VLAN_ENA | IPG_DATA_VAL(IPG_DATA_DEF);
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GM_SMOD_VLAN_ENA | IPG_DATA_VAL(IPG_DATA_DEF);
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@ -2535,8 +2534,11 @@ static void sky2_rx_checksum(struct sky2_port *sky2, u32 status)
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"%s: receive checksum problem (status = %#x)\n",
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"%s: receive checksum problem (status = %#x)\n",
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sky2->netdev->name, status);
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sky2->netdev->name, status);
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/* Disable checksum offload */
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/* Disable checksum offload
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sky2->flags &= ~SKY2_FLAG_RX_CHECKSUM;
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* It will be reenabled on next ndo_set_features, but if it's
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* really broken, will get disabled again
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*/
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sky2->netdev->features &= ~NETIF_F_RXCSUM;
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sky2_write32(sky2->hw, Q_ADDR(rxqaddr[sky2->port], Q_CSR),
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sky2_write32(sky2->hw, Q_ADDR(rxqaddr[sky2->port], Q_CSR),
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BMU_DIS_RX_CHKSUM);
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BMU_DIS_RX_CHKSUM);
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}
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}
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@ -2591,7 +2593,7 @@ static int sky2_status_intr(struct sky2_hw *hw, int to_do, u16 idx)
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/* This chip reports checksum status differently */
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/* This chip reports checksum status differently */
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if (hw->flags & SKY2_HW_NEW_LE) {
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if (hw->flags & SKY2_HW_NEW_LE) {
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if ((sky2->flags & SKY2_FLAG_RX_CHECKSUM) &&
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if ((dev->features & NETIF_F_RXCSUM) &&
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(le->css & (CSS_ISIPV4 | CSS_ISIPV6)) &&
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(le->css & (CSS_ISIPV4 | CSS_ISIPV6)) &&
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(le->css & CSS_TCPUDPCSOK))
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(le->css & CSS_TCPUDPCSOK))
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skb->ip_summed = CHECKSUM_UNNECESSARY;
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skb->ip_summed = CHECKSUM_UNNECESSARY;
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@ -2616,7 +2618,7 @@ static int sky2_status_intr(struct sky2_hw *hw, int to_do, u16 idx)
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sky2->rx_tag = length;
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sky2->rx_tag = length;
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/* fall through */
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/* fall through */
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case OP_RXCHKS:
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case OP_RXCHKS:
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if (likely(sky2->flags & SKY2_FLAG_RX_CHECKSUM))
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if (likely(dev->features & NETIF_F_RXCSUM))
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sky2_rx_checksum(sky2, status);
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sky2_rx_checksum(sky2, status);
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break;
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break;
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@ -3552,28 +3554,6 @@ static const struct sky2_stat {
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{ "tx_fifo_underrun", GM_TXE_FIFO_UR },
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{ "tx_fifo_underrun", GM_TXE_FIFO_UR },
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};
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};
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static u32 sky2_get_rx_csum(struct net_device *dev)
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{
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struct sky2_port *sky2 = netdev_priv(dev);
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return !!(sky2->flags & SKY2_FLAG_RX_CHECKSUM);
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}
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static int sky2_set_rx_csum(struct net_device *dev, u32 data)
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{
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struct sky2_port *sky2 = netdev_priv(dev);
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if (data)
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sky2->flags |= SKY2_FLAG_RX_CHECKSUM;
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else
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sky2->flags &= ~SKY2_FLAG_RX_CHECKSUM;
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sky2_write32(sky2->hw, Q_ADDR(rxqaddr[sky2->port], Q_CSR),
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data ? BMU_ENA_RX_CHKSUM : BMU_DIS_RX_CHKSUM);
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return 0;
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}
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static u32 sky2_get_msglevel(struct net_device *netdev)
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static u32 sky2_get_msglevel(struct net_device *netdev)
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{
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{
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struct sky2_port *sky2 = netdev_priv(netdev);
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struct sky2_port *sky2 = netdev_priv(netdev);
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@ -4084,34 +4064,6 @@ static void sky2_get_regs(struct net_device *dev, struct ethtool_regs *regs,
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}
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}
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}
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}
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/* In order to do Jumbo packets on these chips, need to turn off the
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* transmit store/forward. Therefore checksum offload won't work.
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*/
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static int no_tx_offload(struct net_device *dev)
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{
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const struct sky2_port *sky2 = netdev_priv(dev);
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const struct sky2_hw *hw = sky2->hw;
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return dev->mtu > ETH_DATA_LEN && hw->chip_id == CHIP_ID_YUKON_EC_U;
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}
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static int sky2_set_tx_csum(struct net_device *dev, u32 data)
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{
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if (data && no_tx_offload(dev))
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return -EINVAL;
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return ethtool_op_set_tx_csum(dev, data);
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}
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static int sky2_set_tso(struct net_device *dev, u32 data)
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{
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if (data && no_tx_offload(dev))
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return -EINVAL;
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return ethtool_op_set_tso(dev, data);
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}
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static int sky2_get_eeprom_len(struct net_device *dev)
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static int sky2_get_eeprom_len(struct net_device *dev)
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{
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{
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struct sky2_port *sky2 = netdev_priv(dev);
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struct sky2_port *sky2 = netdev_priv(dev);
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@ -4214,31 +4166,36 @@ static int sky2_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom
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return sky2_vpd_write(sky2->hw, cap, data, eeprom->offset, eeprom->len);
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return sky2_vpd_write(sky2->hw, cap, data, eeprom->offset, eeprom->len);
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}
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}
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static int sky2_set_flags(struct net_device *dev, u32 data)
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static u32 sky2_fix_features(struct net_device *dev, u32 features)
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{
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const struct sky2_port *sky2 = netdev_priv(dev);
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const struct sky2_hw *hw = sky2->hw;
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/* In order to do Jumbo packets on these chips, need to turn off the
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* transmit store/forward. Therefore checksum offload won't work.
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*/
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if (dev->mtu > ETH_DATA_LEN && hw->chip_id == CHIP_ID_YUKON_EC_U)
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features &= ~(NETIF_F_TSO|NETIF_F_SG|NETIF_F_ALL_CSUM);
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return features;
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}
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static int sky2_set_features(struct net_device *dev, u32 features)
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{
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{
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struct sky2_port *sky2 = netdev_priv(dev);
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struct sky2_port *sky2 = netdev_priv(dev);
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unsigned long old_feat = dev->features;
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u32 changed = dev->features ^ features;
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u32 supported = 0;
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int rc;
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if (!(sky2->hw->flags & SKY2_HW_RSS_BROKEN))
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if (changed & NETIF_F_RXCSUM) {
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supported |= ETH_FLAG_RXHASH;
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u32 on = features & NETIF_F_RXCSUM;
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sky2_write32(sky2->hw, Q_ADDR(rxqaddr[sky2->port], Q_CSR),
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on ? BMU_ENA_RX_CHKSUM : BMU_DIS_RX_CHKSUM);
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}
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if (!(sky2->hw->flags & SKY2_HW_VLAN_BROKEN))
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if (changed & NETIF_F_RXHASH)
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supported |= ETH_FLAG_RXVLAN | ETH_FLAG_TXVLAN;
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rx_set_rss(dev, features);
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printk(KERN_DEBUG "sky2 set_flags: supported %x data %x\n",
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if (changed & (NETIF_F_HW_VLAN_TX|NETIF_F_HW_VLAN_RX))
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supported, data);
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sky2_vlan_mode(dev, features);
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rc = ethtool_op_set_flags(dev, data, supported);
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if (rc)
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return rc;
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if ((old_feat ^ dev->features) & NETIF_F_RXHASH)
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rx_set_rss(dev);
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if ((old_feat ^ dev->features) & NETIF_F_ALL_VLAN)
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sky2_vlan_mode(dev);
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return 0;
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return 0;
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}
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}
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@ -4258,11 +4215,6 @@ static const struct ethtool_ops sky2_ethtool_ops = {
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.get_eeprom_len = sky2_get_eeprom_len,
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.get_eeprom_len = sky2_get_eeprom_len,
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.get_eeprom = sky2_get_eeprom,
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.get_eeprom = sky2_get_eeprom,
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.set_eeprom = sky2_set_eeprom,
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.set_eeprom = sky2_set_eeprom,
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.set_sg = ethtool_op_set_sg,
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.set_tx_csum = sky2_set_tx_csum,
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.set_tso = sky2_set_tso,
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.get_rx_csum = sky2_get_rx_csum,
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.set_rx_csum = sky2_set_rx_csum,
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.get_strings = sky2_get_strings,
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.get_strings = sky2_get_strings,
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.get_coalesce = sky2_get_coalesce,
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.get_coalesce = sky2_get_coalesce,
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.set_coalesce = sky2_set_coalesce,
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.set_coalesce = sky2_set_coalesce,
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@ -4273,8 +4225,6 @@ static const struct ethtool_ops sky2_ethtool_ops = {
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.set_phys_id = sky2_set_phys_id,
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.set_phys_id = sky2_set_phys_id,
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.get_sset_count = sky2_get_sset_count,
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.get_sset_count = sky2_get_sset_count,
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.get_ethtool_stats = sky2_get_ethtool_stats,
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.get_ethtool_stats = sky2_get_ethtool_stats,
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.set_flags = sky2_set_flags,
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.get_flags = ethtool_op_get_flags,
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};
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};
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#ifdef CONFIG_SKY2_DEBUG
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#ifdef CONFIG_SKY2_DEBUG
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@ -4554,6 +4504,8 @@ static const struct net_device_ops sky2_netdev_ops[2] = {
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.ndo_set_mac_address = sky2_set_mac_address,
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.ndo_set_mac_address = sky2_set_mac_address,
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.ndo_set_multicast_list = sky2_set_multicast,
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.ndo_set_multicast_list = sky2_set_multicast,
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.ndo_change_mtu = sky2_change_mtu,
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.ndo_change_mtu = sky2_change_mtu,
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.ndo_fix_features = sky2_fix_features,
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.ndo_set_features = sky2_set_features,
|
||||||
.ndo_tx_timeout = sky2_tx_timeout,
|
.ndo_tx_timeout = sky2_tx_timeout,
|
||||||
.ndo_get_stats64 = sky2_get_stats,
|
.ndo_get_stats64 = sky2_get_stats,
|
||||||
#ifdef CONFIG_NET_POLL_CONTROLLER
|
#ifdef CONFIG_NET_POLL_CONTROLLER
|
||||||
|
@ -4569,6 +4521,8 @@ static const struct net_device_ops sky2_netdev_ops[2] = {
|
||||||
.ndo_set_mac_address = sky2_set_mac_address,
|
.ndo_set_mac_address = sky2_set_mac_address,
|
||||||
.ndo_set_multicast_list = sky2_set_multicast,
|
.ndo_set_multicast_list = sky2_set_multicast,
|
||||||
.ndo_change_mtu = sky2_change_mtu,
|
.ndo_change_mtu = sky2_change_mtu,
|
||||||
|
.ndo_fix_features = sky2_fix_features,
|
||||||
|
.ndo_set_features = sky2_set_features,
|
||||||
.ndo_tx_timeout = sky2_tx_timeout,
|
.ndo_tx_timeout = sky2_tx_timeout,
|
||||||
.ndo_get_stats64 = sky2_get_stats,
|
.ndo_get_stats64 = sky2_get_stats,
|
||||||
},
|
},
|
||||||
|
@ -4601,7 +4555,7 @@ static __devinit struct net_device *sky2_init_netdev(struct sky2_hw *hw,
|
||||||
/* Auto speed and flow control */
|
/* Auto speed and flow control */
|
||||||
sky2->flags = SKY2_FLAG_AUTO_SPEED | SKY2_FLAG_AUTO_PAUSE;
|
sky2->flags = SKY2_FLAG_AUTO_SPEED | SKY2_FLAG_AUTO_PAUSE;
|
||||||
if (hw->chip_id != CHIP_ID_YUKON_XL)
|
if (hw->chip_id != CHIP_ID_YUKON_XL)
|
||||||
sky2->flags |= SKY2_FLAG_RX_CHECKSUM;
|
dev->hw_features |= NETIF_F_RXCSUM;
|
||||||
|
|
||||||
sky2->flow_mode = FC_BOTH;
|
sky2->flow_mode = FC_BOTH;
|
||||||
|
|
||||||
|
@ -4620,18 +4574,21 @@ static __devinit struct net_device *sky2_init_netdev(struct sky2_hw *hw,
|
||||||
|
|
||||||
sky2->port = port;
|
sky2->port = port;
|
||||||
|
|
||||||
dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG
|
dev->hw_features |= NETIF_F_IP_CSUM | NETIF_F_SG | NETIF_F_TSO;
|
||||||
| NETIF_F_TSO | NETIF_F_GRO;
|
|
||||||
|
|
||||||
if (highmem)
|
if (highmem)
|
||||||
dev->features |= NETIF_F_HIGHDMA;
|
dev->features |= NETIF_F_HIGHDMA;
|
||||||
|
|
||||||
/* Enable receive hashing unless hardware is known broken */
|
/* Enable receive hashing unless hardware is known broken */
|
||||||
if (!(hw->flags & SKY2_HW_RSS_BROKEN))
|
if (!(hw->flags & SKY2_HW_RSS_BROKEN))
|
||||||
dev->features |= NETIF_F_RXHASH;
|
dev->hw_features |= NETIF_F_RXHASH;
|
||||||
|
|
||||||
if (!(hw->flags & SKY2_HW_VLAN_BROKEN))
|
if (!(hw->flags & SKY2_HW_VLAN_BROKEN)) {
|
||||||
dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
|
dev->hw_features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
|
||||||
|
dev->vlan_features |= SKY2_VLAN_OFFLOADS;
|
||||||
|
}
|
||||||
|
|
||||||
|
dev->features |= dev->hw_features;
|
||||||
|
|
||||||
/* read the mac address */
|
/* read the mac address */
|
||||||
memcpy_fromio(dev->dev_addr, hw->regs + B2_MAC_1 + port * 8, ETH_ALEN);
|
memcpy_fromio(dev->dev_addr, hw->regs + B2_MAC_1 + port * 8, ETH_ALEN);
|
||||||
|
|
|
@ -2254,7 +2254,6 @@ struct sky2_port {
|
||||||
u8 wol; /* WAKE_ bits */
|
u8 wol; /* WAKE_ bits */
|
||||||
u8 duplex; /* DUPLEX_HALF, DUPLEX_FULL */
|
u8 duplex; /* DUPLEX_HALF, DUPLEX_FULL */
|
||||||
u16 flags;
|
u16 flags;
|
||||||
#define SKY2_FLAG_RX_CHECKSUM 0x0001
|
|
||||||
#define SKY2_FLAG_AUTO_SPEED 0x0002
|
#define SKY2_FLAG_AUTO_SPEED 0x0002
|
||||||
#define SKY2_FLAG_AUTO_PAUSE 0x0004
|
#define SKY2_FLAG_AUTO_PAUSE 0x0004
|
||||||
|
|
||||||
|
|
Loading…
Reference in a new issue