diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/s2io.c | 50 |
1 files changed, 45 insertions, 5 deletions
diff --git a/drivers/net/s2io.c b/drivers/net/s2io.c index 668327ccd8d0..a032d726d640 100644 --- a/drivers/net/s2io.c +++ b/drivers/net/s2io.c @@ -38,7 +38,7 @@ * Tx descriptors that can be associated with each corresponding FIFO. * intr_type: This defines the type of interrupt. The values can be 0(INTA), * 2(MSI_X). Default value is '2(MSI_X)' - * lro_enable: Specifies whether to enable Large Receive Offload (LRO) or not. + * lro: Specifies whether to enable Large Receive Offload (LRO) or not. * Possible values '1' for enable '0' for disable. Default is '0' * lro_max_pkts: This parameter defines maximum number of packets can be * aggregated as a single large packet @@ -90,7 +90,7 @@ #include "s2io.h" #include "s2io-regs.h" -#define DRV_VERSION "2.0.26.25" +#define DRV_VERSION "2.0.26.26" /* S2io Driver name & version. */ static char s2io_driver_name[] = "Neterion"; @@ -496,7 +496,7 @@ S2IO_PARM_INT(rxsync_frequency, 3); /* Interrupt type. Values can be 0(INTA), 2(MSI_X) */ S2IO_PARM_INT(intr_type, 2); /* Large receive offload feature */ -static unsigned int lro_enable; +static unsigned int lro_enable = 1; module_param_named(lro, lro_enable, uint, 0); /* Max pkts to be aggregated by LRO at one time. If not specified, @@ -795,7 +795,6 @@ static int init_shared_mem(struct s2io_nic *nic) ring->rx_curr_put_info.ring_len = rx_cfg->num_rxd - 1; ring->nic = nic; ring->ring_no = i; - ring->lro = lro_enable; blk_cnt = rx_cfg->num_rxd / (rxd_count[nic->rxd_mode] + 1); /* Allocating all the Rx blocks */ @@ -6675,6 +6674,7 @@ static u32 s2io_ethtool_op_get_tso(struct net_device *dev) { return (dev->features & NETIF_F_TSO) != 0; } + static int s2io_ethtool_op_set_tso(struct net_device *dev, u32 data) { if (data) @@ -6685,6 +6685,42 @@ static int s2io_ethtool_op_set_tso(struct net_device *dev, u32 data) return 0; } +static int s2io_ethtool_set_flags(struct net_device *dev, u32 data) +{ + struct s2io_nic *sp = netdev_priv(dev); + int rc = 0; + int changed = 0; + + if (data & ~ETH_FLAG_LRO) + return -EOPNOTSUPP; + + if (data & ETH_FLAG_LRO) { + if (lro_enable) { + if (!(dev->features & NETIF_F_LRO)) { + dev->features |= NETIF_F_LRO; + changed = 1; + } + } else + rc = -EINVAL; + } else if (dev->features & NETIF_F_LRO) { + dev->features &= ~NETIF_F_LRO; + changed = 1; + } + + if (changed && netif_running(dev)) { + s2io_stop_all_tx_queue(sp); + s2io_card_down(sp); + sp->lro = !!(dev->features & NETIF_F_LRO); + rc = s2io_card_up(sp); + if (rc) + s2io_reset(sp); + else + s2io_start_all_tx_queue(sp); + } + + return rc; +} + static const struct ethtool_ops netdev_ethtool_ops = { .get_settings = s2io_ethtool_gset, .set_settings = s2io_ethtool_sset, @@ -6701,6 +6737,8 @@ static const struct ethtool_ops netdev_ethtool_ops = { .get_rx_csum = s2io_ethtool_get_rx_csum, .set_rx_csum = s2io_ethtool_set_rx_csum, .set_tx_csum = s2io_ethtool_op_set_tx_csum, + .set_flags = s2io_ethtool_set_flags, + .get_flags = ethtool_op_get_flags, .set_sg = ethtool_op_set_sg, .get_tso = s2io_ethtool_op_get_tso, .set_tso = s2io_ethtool_op_set_tso, @@ -7229,6 +7267,7 @@ static int s2io_card_up(struct s2io_nic *sp) struct ring_info *ring = &mac_control->rings[i]; ring->mtu = dev->mtu; + ring->lro = sp->lro; ret = fill_rx_buffers(sp, ring, 1); if (ret) { DBG_PRINT(ERR_DBG, "%s: Out of memory in Open\n", @@ -7974,7 +8013,8 @@ s2io_init_nic(struct pci_dev *pdev, const struct pci_device_id *pre) dev->netdev_ops = &s2io_netdev_ops; SET_ETHTOOL_OPS(dev, &netdev_ethtool_ops); dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX; - + if (lro_enable) + dev->features |= NETIF_F_LRO; dev->features |= NETIF_F_SG | NETIF_F_IP_CSUM; if (sp->high_dma_flag == true) dev->features |= NETIF_F_HIGHDMA; |