s2io: remove lro parameter

Remove "lro" parameter of s2io driver.

Signed-off-by: WANG Cong <amwang@redhat.com>
Cc: jon.mason@exar.com
Acked-by: Jon Mason <jon.mason@exar.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/s2io.c b/drivers/net/s2io.c
index 5f062dd..7061fc8 100644 (file)
--- 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 924f618..00b8614 100644 (file)
--- 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;