From f0c54ace9b74ec52e57d3ea2ef99fb277667abf8 Mon Sep 17 00:00:00 2001 From: Amerigo Wang Date: Wed, 25 Aug 2010 00:23:39 +0000 Subject: [PATCH] s2io: remove lro parameter Remove "lro" parameter of s2io driver. Signed-off-by: WANG Cong Cc: jon.mason@exar.com Acked-by: Jon Mason Signed-off-by: David S. Miller --- drivers/net/s2io.c | 29 +++++++++-------------------- drivers/net/s2io.h | 1 - 2 files changed, 9 insertions(+), 21 deletions(-) diff --git a/drivers/net/s2io.c b/drivers/net/s2io.c index 5f062ddfd5c5..7061fc8e99c7 100644 --- a/drivers/net/s2io.c +++ b/drivers/net/s2io.c @@ -38,8 +38,6 @@ * 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: 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 * napi: This parameter used to enable/disable NAPI (polling Rx) @@ -496,8 +494,6 @@ 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 = 1; -module_param_named(lro, lro_enable, uint, 0); /* Max pkts to be aggregated by LRO at one time. If not specified, * aggregation happens until we hit max IP pkt size(64K) @@ -6733,13 +6729,10 @@ static int s2io_ethtool_set_flags(struct net_device *dev, u32 data) return -EINVAL; if (data & ETH_FLAG_LRO) { - if (lro_enable) { - if (!(dev->features & NETIF_F_LRO)) { - dev->features |= NETIF_F_LRO; - changed = 1; - } - } else - rc = -EINVAL; + if (!(dev->features & NETIF_F_LRO)) { + dev->features |= NETIF_F_LRO; + changed = 1; + } } else if (dev->features & NETIF_F_LRO) { dev->features &= ~NETIF_F_LRO; changed = 1; @@ -6748,7 +6741,6 @@ static int s2io_ethtool_set_flags(struct net_device *dev, u32 data) 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); @@ -7305,7 +7297,7 @@ 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; + ring->lro = !!(dev->features & NETIF_F_LRO); ret = fill_rx_buffers(sp, ring, 1); if (ret) { DBG_PRINT(ERR_DBG, "%s: Out of memory in Open\n", @@ -7339,7 +7331,7 @@ static int s2io_card_up(struct s2io_nic *sp) /* Setting its receive mode */ s2io_set_multicast(dev); - if (sp->lro) { + if (dev->features & NETIF_F_LRO) { /* Initialize max aggregatable pkts per session based on MTU */ sp->lro_max_aggr_per_sess = ((1<<16) - 1) / dev->mtu; /* Check if we can use (if specified) user provided value */ @@ -7909,7 +7901,6 @@ s2io_init_nic(struct pci_dev *pdev, const struct pci_device_id *pre) else sp->device_type = XFRAME_I_DEVICE; - sp->lro = lro_enable; /* Initialize some PCI/PCI-X fields of the NIC. */ s2io_init_pci(sp); @@ -8045,8 +8036,7 @@ 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_LRO; dev->features |= NETIF_F_SG | NETIF_F_IP_CSUM; if (sp->high_dma_flag == true) dev->features |= NETIF_F_HIGHDMA; @@ -8281,9 +8271,8 @@ s2io_init_nic(struct pci_dev *pdev, const struct pci_device_id *pre) dev->name); } - if (sp->lro) - DBG_PRINT(ERR_DBG, "%s: Large receive offload enabled\n", - dev->name); + DBG_PRINT(ERR_DBG, "%s: Large receive offload enabled\n", + dev->name); if (ufo) DBG_PRINT(ERR_DBG, "%s: UDP Fragmentation Offload(UFO) enabled\n", diff --git a/drivers/net/s2io.h b/drivers/net/s2io.h index 924f618f2397..00b8614efe48 100644 --- a/drivers/net/s2io.h +++ b/drivers/net/s2io.h @@ -963,7 +963,6 @@ struct s2io_nic { unsigned long clubbed_frms_cnt; unsigned long sending_both; - u8 lro; u16 lro_max_aggr_per_sess; volatile unsigned long state; u64 general_int_mask;