diff options
| -rw-r--r-- | drivers/net/pch_gbe/pch_gbe.h | 4 | ||||
| -rw-r--r-- | drivers/net/pch_gbe/pch_gbe_ethtool.c | 54 | ||||
| -rw-r--r-- | drivers/net/pch_gbe/pch_gbe_main.c | 42 | ||||
| -rw-r--r-- | drivers/net/pch_gbe/pch_gbe_param.c | 16 |
4 files changed, 42 insertions, 74 deletions
diff --git a/drivers/net/pch_gbe/pch_gbe.h b/drivers/net/pch_gbe/pch_gbe.h index bf126e76fabf..59fac77d0dbb 100644 --- a/drivers/net/pch_gbe/pch_gbe.h +++ b/drivers/net/pch_gbe/pch_gbe.h @@ -597,8 +597,6 @@ struct pch_gbe_hw_stats { * @rx_ring: Pointer of Rx descriptor ring structure * @rx_buffer_len: Receive buffer length * @tx_queue_len: Transmit queue length - * @rx_csum: Receive TCP/IP checksum enable/disable - * @tx_csum: Transmit TCP/IP checksum enable/disable * @have_msi: PCI MSI mode flag */ @@ -623,8 +621,6 @@ struct pch_gbe_adapter { struct pch_gbe_rx_ring *rx_ring; unsigned long rx_buffer_len; unsigned long tx_queue_len; - bool rx_csum; - bool tx_csum; bool have_msi; }; diff --git a/drivers/net/pch_gbe/pch_gbe_ethtool.c b/drivers/net/pch_gbe/pch_gbe_ethtool.c index d2174a40d708..c35d105ab285 100644 --- a/drivers/net/pch_gbe/pch_gbe_ethtool.c +++ b/drivers/net/pch_gbe/pch_gbe_ethtool.c @@ -434,57 +434,6 @@ static int pch_gbe_set_pauseparam(struct net_device *netdev, } /** - * pch_gbe_get_rx_csum - Report whether receive checksums are turned on or off - * @netdev: Network interface device structure - * Returns - * true(1): Checksum On - * false(0): Checksum Off - */ -static u32 pch_gbe_get_rx_csum(struct net_device *netdev) -{ - struct pch_gbe_adapter *adapter = netdev_priv(netdev); - - return adapter->rx_csum; -} - -/** - * pch_gbe_set_rx_csum - Turn receive checksum on or off - * @netdev: Network interface device structure - * @data: Checksum On[true] or Off[false] - * Returns - * 0: Successful. - * Negative value: Failed. - */ -static int pch_gbe_set_rx_csum(struct net_device *netdev, u32 data) -{ - struct pch_gbe_adapter *adapter = netdev_priv(netdev); - - adapter->rx_csum = data; - if ((netif_running(netdev))) - pch_gbe_reinit_locked(adapter); - else - pch_gbe_reset(adapter); - - return 0; -} - -/** - * pch_gbe_set_tx_csum - Turn transmit checksums on or off - * @netdev: Network interface device structure - * @data: Checksum on[true] or off[false] - * Returns - * 0: Successful. - * Negative value: Failed. - */ -static int pch_gbe_set_tx_csum(struct net_device *netdev, u32 data) -{ - struct pch_gbe_adapter *adapter = netdev_priv(netdev); - - adapter->tx_csum = data; - return ethtool_op_set_tx_ipv6_csum(netdev, data); -} - -/** * pch_gbe_get_strings - Return a set of strings that describe the requested * objects * @netdev: Network interface device structure @@ -554,9 +503,6 @@ static const struct ethtool_ops pch_gbe_ethtool_ops = { .set_ringparam = pch_gbe_set_ringparam, .get_pauseparam = pch_gbe_get_pauseparam, .set_pauseparam = pch_gbe_set_pauseparam, - .get_rx_csum = pch_gbe_get_rx_csum, - .set_rx_csum = pch_gbe_set_rx_csum, - .set_tx_csum = pch_gbe_set_tx_csum, .get_strings = pch_gbe_get_strings, .get_ethtool_stats = pch_gbe_get_ethtool_stats, .get_sset_count = pch_gbe_get_sset_count, diff --git a/drivers/net/pch_gbe/pch_gbe_main.c b/drivers/net/pch_gbe/pch_gbe_main.c index 2ef2f9cdefa6..4cc9872f5ec4 100644 --- a/drivers/net/pch_gbe/pch_gbe_main.c +++ b/drivers/net/pch_gbe/pch_gbe_main.c @@ -656,6 +656,7 @@ static void pch_gbe_configure_tx(struct pch_gbe_adapter *adapter) */ static void pch_gbe_setup_rctl(struct pch_gbe_adapter *adapter) { + struct net_device *netdev = adapter->netdev; struct pch_gbe_hw *hw = &adapter->hw; u32 rx_mode, tcpip; @@ -666,7 +667,7 @@ static void pch_gbe_setup_rctl(struct pch_gbe_adapter *adapter) tcpip = ioread32(&hw->reg->TCPIP_ACC); - if (adapter->rx_csum) { + if (netdev->features & NETIF_F_RXCSUM) { tcpip &= ~PCH_GBE_RX_TCPIPACC_OFF; tcpip |= PCH_GBE_RX_TCPIPACC_EN; } else { @@ -950,7 +951,7 @@ static void pch_gbe_tx_queue(struct pch_gbe_adapter *adapter, frame_ctrl = 0; if (unlikely(skb->len < PCH_GBE_SHORT_PKT)) frame_ctrl |= PCH_GBE_TXD_CTRL_APAD; - if (unlikely(!adapter->tx_csum)) + if (skb->ip_summed == CHECKSUM_NONE) frame_ctrl |= PCH_GBE_TXD_CTRL_TCPIP_ACC_OFF; /* Performs checksum processing */ @@ -958,7 +959,7 @@ static void pch_gbe_tx_queue(struct pch_gbe_adapter *adapter, * It is because the hardware accelerator does not support a checksum, * when the received data size is less than 64 bytes. */ - if ((skb->len < PCH_GBE_SHORT_PKT) && (adapter->tx_csum)) { + if (skb->len < PCH_GBE_SHORT_PKT && skb->ip_summed != CHECKSUM_NONE) { frame_ctrl |= PCH_GBE_TXD_CTRL_APAD | PCH_GBE_TXD_CTRL_TCPIP_ACC_OFF; if (skb->protocol == htons(ETH_P_IP)) { @@ -1426,7 +1427,7 @@ pch_gbe_clean_rx(struct pch_gbe_adapter *adapter, length = (rx_desc->rx_words_eob) - 3; /* Decide the data conversion method */ - if (!adapter->rx_csum) { + if (!(netdev->features & NETIF_F_RXCSUM)) { /* [Header:14][payload] */ if (NET_IP_ALIGN) { /* Because alignment differs, @@ -2030,6 +2031,29 @@ static int pch_gbe_change_mtu(struct net_device *netdev, int new_mtu) } /** + * pch_gbe_set_features - Reset device after features changed + * @netdev: Network interface device structure + * @features: New features + * Returns + * 0: HW state updated successfully + */ +static int pch_gbe_set_features(struct net_device *netdev, u32 features) +{ + struct pch_gbe_adapter *adapter = netdev_priv(netdev); + u32 changed = features ^ netdev->features; + + if (!(changed & NETIF_F_RXCSUM)) + return 0; + + if (netif_running(netdev)) + pch_gbe_reinit_locked(adapter); + else + pch_gbe_reset(adapter); + + return 0; +} + +/** * pch_gbe_ioctl - Controls register through a MII interface * @netdev: Network interface device structure * @ifr: Pointer to ifr structure @@ -2129,6 +2153,7 @@ static const struct net_device_ops pch_gbe_netdev_ops = { .ndo_set_mac_address = pch_gbe_set_mac, .ndo_tx_timeout = pch_gbe_tx_timeout, .ndo_change_mtu = pch_gbe_change_mtu, + .ndo_set_features = pch_gbe_set_features, .ndo_do_ioctl = pch_gbe_ioctl, .ndo_set_multicast_list = &pch_gbe_set_multi, #ifdef CONFIG_NET_POLL_CONTROLLER @@ -2334,7 +2359,9 @@ static int pch_gbe_probe(struct pci_dev *pdev, netdev->watchdog_timeo = PCH_GBE_WATCHDOG_PERIOD; netif_napi_add(netdev, &adapter->napi, pch_gbe_napi_poll, PCH_GBE_RX_WEIGHT); - netdev->features = NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | NETIF_F_GRO; + netdev->hw_features = NETIF_F_RXCSUM | + NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM; + netdev->features = netdev->hw_features; pch_gbe_set_ethtool_ops(netdev); pch_gbe_mac_load_mac_addr(&adapter->hw); @@ -2373,11 +2400,6 @@ static int pch_gbe_probe(struct pci_dev *pdev, pch_gbe_check_options(adapter); - if (adapter->tx_csum) - netdev->features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM; - else - netdev->features &= ~(NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM); - /* initialize the wol settings based on the eeprom settings */ adapter->wake_up_evt = PCH_GBE_WL_INIT_SETTING; dev_info(&pdev->dev, "MAC address : %pM\n", netdev->dev_addr); diff --git a/drivers/net/pch_gbe/pch_gbe_param.c b/drivers/net/pch_gbe/pch_gbe_param.c index ef0996a0eaaa..5b5d90a47e29 100644 --- a/drivers/net/pch_gbe/pch_gbe_param.c +++ b/drivers/net/pch_gbe/pch_gbe_param.c @@ -426,6 +426,8 @@ full_duplex_only: void pch_gbe_check_options(struct pch_gbe_adapter *adapter) { struct pch_gbe_hw *hw = &adapter->hw; + struct net_device *dev = adapter->netdev; + int val; { /* Transmit Descriptor Count */ static const struct pch_gbe_option opt = { @@ -466,9 +468,10 @@ void pch_gbe_check_options(struct pch_gbe_adapter *adapter) .err = "defaulting to Enabled", .def = PCH_GBE_DEFAULT_RX_CSUM }; - adapter->rx_csum = XsumRX; - pch_gbe_validate_option((int *)(&adapter->rx_csum), - &opt, adapter); + val = XsumRX; + pch_gbe_validate_option(&val, &opt, adapter); + if (!val) + dev->features &= ~NETIF_F_RXCSUM; } { /* Checksum Offload Enable/Disable */ static const struct pch_gbe_option opt = { @@ -477,9 +480,10 @@ void pch_gbe_check_options(struct pch_gbe_adapter *adapter) .err = "defaulting to Enabled", .def = PCH_GBE_DEFAULT_TX_CSUM }; - adapter->tx_csum = XsumTX; - pch_gbe_validate_option((int *)(&adapter->tx_csum), - &opt, adapter); + val = XsumTX; + pch_gbe_validate_option(&val, &opt, adapter); + if (!val) + dev->features &= ~NETIF_F_ALL_CSUM; } { /* Flow Control */ static const struct pch_gbe_option opt = { |