summaryrefslogtreecommitdiff
path: root/drivers/net/s2io.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/s2io.c')
-rw-r--r--drivers/net/s2io.c83
1 files changed, 65 insertions, 18 deletions
diff --git a/drivers/net/s2io.c b/drivers/net/s2io.c
index 1d37f0c310c..18bc5b718bb 100644
--- a/drivers/net/s2io.c
+++ b/drivers/net/s2io.c
@@ -1,6 +1,6 @@
/************************************************************************
* s2io.c: A Linux PCI-X Ethernet driver for Neterion 10GbE Server NIC
- * Copyright(c) 2002-2007 Neterion Inc.
+ * Copyright(c) 2002-2010 Exar Corp.
*
* This software may be used and distributed according to the terms of
* the GNU General Public License (GPL), incorporated herein by reference.
@@ -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 */
@@ -5797,7 +5796,7 @@ static void s2io_vpd_read(struct s2io_nic *nic)
{
u8 *vpd_data;
u8 data;
- int i = 0, cnt, fail = 0;
+ int i = 0, cnt, len, fail = 0;
int vpd_addr = 0x80;
struct swStat *swstats = &nic->mac_control.stats_info->sw_stat;
@@ -5838,20 +5837,28 @@ static void s2io_vpd_read(struct s2io_nic *nic)
if (!fail) {
/* read serial number of adapter */
- for (cnt = 0; cnt < 256; cnt++) {
+ for (cnt = 0; cnt < 252; cnt++) {
if ((vpd_data[cnt] == 'S') &&
- (vpd_data[cnt+1] == 'N') &&
- (vpd_data[cnt+2] < VPD_STRING_LEN)) {
- memset(nic->serial_num, 0, VPD_STRING_LEN);
- memcpy(nic->serial_num, &vpd_data[cnt + 3],
- vpd_data[cnt+2]);
- break;
+ (vpd_data[cnt+1] == 'N')) {
+ len = vpd_data[cnt+2];
+ if (len < min(VPD_STRING_LEN, 256-cnt-2)) {
+ memcpy(nic->serial_num,
+ &vpd_data[cnt + 3],
+ len);
+ memset(nic->serial_num+len,
+ 0,
+ VPD_STRING_LEN-len);
+ break;
+ }
}
}
}
- if ((!fail) && (vpd_data[1] < VPD_STRING_LEN))
- memcpy(nic->product_name, &vpd_data[3], vpd_data[1]);
+ if ((!fail) && (vpd_data[1] < VPD_STRING_LEN)) {
+ len = vpd_data[1];
+ memcpy(nic->product_name, &vpd_data[3], len);
+ nic->product_name[len] = 0;
+ }
kfree(vpd_data);
swstats->mem_freed += 256;
}
@@ -6707,6 +6714,7 @@ 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)
@@ -6717,6 +6725,42 @@ 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 -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;
+ } 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,
@@ -6733,6 +6777,8 @@ 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,
@@ -7261,6 +7307,7 @@ 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",
@@ -7847,7 +7894,6 @@ s2io_init_nic(struct pci_dev *pdev, const struct pci_device_id *pre)
/* Private member variable initialized to s2io NIC structure */
sp = netdev_priv(dev);
- memset(sp, 0, sizeof(struct s2io_nic));
sp->dev = dev;
sp->pdev = pdev;
sp->high_dma_flag = dma_flag;
@@ -8001,7 +8047,8 @@ 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;
@@ -8159,7 +8206,7 @@ s2io_init_nic(struct pci_dev *pdev, const struct pci_device_id *pre)
goto register_failed;
}
s2io_vpd_read(sp);
- DBG_PRINT(ERR_DBG, "Copyright(c) 2002-2007 Neterion Inc.\n");
+ DBG_PRINT(ERR_DBG, "Copyright(c) 2002-2010 Exar Corp.\n");
DBG_PRINT(ERR_DBG, "%s: Neterion %s (rev %d)\n", dev->name,
sp->product_name, pdev->revision);
DBG_PRINT(ERR_DBG, "%s: Driver version %s\n", dev->name,
generated by cgit v1.2.3-70-g09d2 (git 2.51.2) at 2025-11-04 05:33:40 +0000