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Merge branch 'upstream-fixes' into upstream

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This commit is contained in:
Jeff Garzik 2006-08-03 17:28:34 -04:00
commit 534abebaf7
2 changed files with 183 additions and 213 deletions
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386
drivers/net/s2io.c
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@ -76,7 +76,7 @@
#include "s2io.h"
#include "s2io-regs.h"
#define DRV_VERSION "2.0.14.2"
#define DRV_VERSION "2.0.15.2"
/* S2io Driver name & version. */
static char s2io_driver_name[] = "Neterion";
@ -370,38 +370,50 @@ static const u64 fix_mac[] = {
END_SIGN
};
MODULE_AUTHOR("Raghavendra Koushik <raghavendra.koushik@neterion.com>");
MODULE_LICENSE("GPL");
MODULE_VERSION(DRV_VERSION);
/* Module Loadable parameters. */
static unsigned int tx_fifo_num = 1;
S2IO_PARM_INT(tx_fifo_num, 1);
S2IO_PARM_INT(rx_ring_num, 1);
S2IO_PARM_INT(rx_ring_mode, 1);
S2IO_PARM_INT(use_continuous_tx_intrs, 1);
S2IO_PARM_INT(rmac_pause_time, 0x100);
S2IO_PARM_INT(mc_pause_threshold_q0q3, 187);
S2IO_PARM_INT(mc_pause_threshold_q4q7, 187);
S2IO_PARM_INT(shared_splits, 0);
S2IO_PARM_INT(tmac_util_period, 5);
S2IO_PARM_INT(rmac_util_period, 5);
S2IO_PARM_INT(bimodal, 0);
S2IO_PARM_INT(l3l4hdr_size, 128);
/* Frequency of Rx desc syncs expressed as power of 2 */
S2IO_PARM_INT(rxsync_frequency, 3);
/* Interrupt type. Values can be 0(INTA), 1(MSI), 2(MSI_X) */
S2IO_PARM_INT(intr_type, 0);
/* Large receive offload feature */
S2IO_PARM_INT(lro, 0);
/* Max pkts to be aggregated by LRO at one time. If not specified,
* aggregation happens until we hit max IP pkt size(64K)
*/
S2IO_PARM_INT(lro_max_pkts, 0xFFFF);
#ifndef CONFIG_S2IO_NAPI
S2IO_PARM_INT(indicate_max_pkts, 0);
#endif
static unsigned int tx_fifo_len[MAX_TX_FIFOS] =
{DEFAULT_FIFO_0_LEN, [1 ...(MAX_TX_FIFOS - 1)] = DEFAULT_FIFO_1_7_LEN};
static unsigned int rx_ring_num = 1;
static unsigned int rx_ring_sz[MAX_RX_RINGS] =
{[0 ...(MAX_RX_RINGS - 1)] = SMALL_BLK_CNT};
static unsigned int rts_frm_len[MAX_RX_RINGS] =
{[0 ...(MAX_RX_RINGS - 1)] = 0 };
static unsigned int rx_ring_mode = 1;
static unsigned int use_continuous_tx_intrs = 1;
static unsigned int rmac_pause_time = 0x100;
static unsigned int mc_pause_threshold_q0q3 = 187;
static unsigned int mc_pause_threshold_q4q7 = 187;
static unsigned int shared_splits;
static unsigned int tmac_util_period = 5;
static unsigned int rmac_util_period = 5;
static unsigned int bimodal = 0;
static unsigned int l3l4hdr_size = 128;
#ifndef CONFIG_S2IO_NAPI
static unsigned int indicate_max_pkts;
#endif
/* Frequency of Rx desc syncs expressed as power of 2 */
static unsigned int rxsync_frequency = 3;
/* Interrupt type. Values can be 0(INTA), 1(MSI), 2(MSI_X) */
static unsigned int intr_type = 0;
/* Large receive offload feature */
static unsigned int lro = 0;
/* Max pkts to be aggregated by LRO at one time. If not specified,
* aggregation happens until we hit max IP pkt size(64K)
*/
static unsigned int lro_max_pkts = 0xFFFF;
module_param_array(tx_fifo_len, uint, NULL, 0);
module_param_array(rx_ring_sz, uint, NULL, 0);
module_param_array(rts_frm_len, uint, NULL, 0);
/*
* S2IO device table.
@ -464,10 +476,9 @@ static int init_shared_mem(struct s2io_nic *nic)
size += config->tx_cfg[i].fifo_len;
}
if (size > MAX_AVAILABLE_TXDS) {
DBG_PRINT(ERR_DBG, "%s: Requested TxDs too high, ",
__FUNCTION__);
DBG_PRINT(ERR_DBG, "s2io: Requested TxDs too high, ");
DBG_PRINT(ERR_DBG, "Requested: %d, max supported: 8192\n", size);
return FAILURE;
return -EINVAL;
}
lst_size = (sizeof(TxD_t) * config->max_txds);
@ -547,6 +558,7 @@ static int init_shared_mem(struct s2io_nic *nic)
nic->ufo_in_band_v = kmalloc((sizeof(u64) * size), GFP_KERNEL);
if (!nic->ufo_in_band_v)
return -ENOMEM;
memset(nic->ufo_in_band_v, 0, size);
/* Allocation and initialization of RXDs in Rings */
size = 0;
@ -1213,7 +1225,7 @@ static int init_nic(struct s2io_nic *nic)
break;
}
/* Enable Tx FIFO partition 0. */
/* Enable all configured Tx FIFO partitions */
val64 = readq(&bar0->tx_fifo_partition_0);
val64 |= (TX_FIFO_PARTITION_EN);
writeq(val64, &bar0->tx_fifo_partition_0);
@ -1650,7 +1662,7 @@ static void en_dis_able_nic_intrs(struct s2io_nic *nic, u16 mask, int flag)
writeq(temp64, &bar0->general_int_mask);
/*
* If Hercules adapter enable GPIO otherwise
* disabled all PCIX, Flash, MDIO, IIC and GPIO
* disable all PCIX, Flash, MDIO, IIC and GPIO
* interrupts for now.
* TODO
*/
@ -2119,7 +2131,7 @@ static struct sk_buff *s2io_txdl_getskb(fifo_info_t *fifo_data, TxD_t *txdlp, in
frag->size, PCI_DMA_TODEVICE);
}
}
txdlp->Host_Control = 0;
memset(txdlp,0, (sizeof(TxD_t) * fifo_data->max_txds));
return(skb);
}
@ -2371,9 +2383,14 @@ static int fill_rx_buffers(struct s2io_nic *nic, int ring_no)
skb->data = (void *) (unsigned long)tmp;
skb->tail = (void *) (unsigned long)tmp;
((RxD3_t*)rxdp)->Buffer0_ptr =
pci_map_single(nic->pdev, ba->ba_0, BUF0_LEN,
if (!(((RxD3_t*)rxdp)->Buffer0_ptr))
((RxD3_t*)rxdp)->Buffer0_ptr =
pci_map_single(nic->pdev, ba->ba_0, BUF0_LEN,
PCI_DMA_FROMDEVICE);
else
pci_dma_sync_single_for_device(nic->pdev,
(dma_addr_t) ((RxD3_t*)rxdp)->Buffer0_ptr,
BUF0_LEN, PCI_DMA_FROMDEVICE);
rxdp->Control_2 = SET_BUFFER0_SIZE_3(BUF0_LEN);
if (nic->rxd_mode == RXD_MODE_3B) {
/* Two buffer mode */
@ -2386,10 +2403,13 @@ static int fill_rx_buffers(struct s2io_nic *nic, int ring_no)
(nic->pdev, skb->data, dev->mtu + 4,
PCI_DMA_FROMDEVICE);
/* Buffer-1 will be dummy buffer not used */
((RxD3_t*)rxdp)->Buffer1_ptr =
pci_map_single(nic->pdev, ba->ba_1, BUF1_LEN,
PCI_DMA_FROMDEVICE);
/* Buffer-1 will be dummy buffer. Not used */
if (!(((RxD3_t*)rxdp)->Buffer1_ptr)) {
((RxD3_t*)rxdp)->Buffer1_ptr =
pci_map_single(nic->pdev,
ba->ba_1, BUF1_LEN,
PCI_DMA_FROMDEVICE);
}
rxdp->Control_2 |= SET_BUFFER1_SIZE_3(1);
rxdp->Control_2 |= SET_BUFFER2_SIZE_3
(dev->mtu + 4);
@ -2614,23 +2634,23 @@ no_rx:
}
#endif
#ifdef CONFIG_NET_POLL_CONTROLLER
/**
* s2io_netpoll - Rx interrupt service handler for netpoll support
* s2io_netpoll - netpoll event handler entry point
* @dev : pointer to the device structure.
* Description:
* Polling 'interrupt' - used by things like netconsole to send skbs
* without having to re-enable interrupts. It's not called while
* the interrupt routine is executing.
* This function will be called by upper layer to check for events on the
* interface in situations where interrupts are disabled. It is used for
* specific in-kernel networking tasks, such as remote consoles and kernel
* debugging over the network (example netdump in RedHat).
*/
#ifdef CONFIG_NET_POLL_CONTROLLER
static void s2io_netpoll(struct net_device *dev)
{
nic_t *nic = dev->priv;
mac_info_t *mac_control;
struct config_param *config;
XENA_dev_config_t __iomem *bar0 = nic->bar0;
u64 val64;
u64 val64 = 0xFFFFFFFFFFFFFFFFULL;
int i;
disable_irq(dev->irq);
@ -2639,9 +2659,17 @@ static void s2io_netpoll(struct net_device *dev)
mac_control = &nic->mac_control;
config = &nic->config;
val64 = readq(&bar0->rx_traffic_int);
writeq(val64, &bar0->rx_traffic_int);
writeq(val64, &bar0->tx_traffic_int);
/* we need to free up the transmitted skbufs or else netpoll will
* run out of skbs and will fail and eventually netpoll application such
* as netdump will fail.
*/
for (i = 0; i < config->tx_fifo_num; i++)
tx_intr_handler(&mac_control->fifos[i]);
/* check for received packet and indicate up to network */
for (i = 0; i < config->rx_ring_num; i++)
rx_intr_handler(&mac_control->rings[i]);
@ -2708,7 +2736,7 @@ static void rx_intr_handler(ring_info_t *ring_data)
/* If your are next to put index then it's FIFO full condition */
if ((get_block == put_block) &&
(get_info.offset + 1) == put_info.offset) {
DBG_PRINT(ERR_DBG, "%s: Ring Full\n",dev->name);
DBG_PRINT(INTR_DBG, "%s: Ring Full\n",dev->name);
break;
}
skb = (struct sk_buff *) ((unsigned long)rxdp->Host_Control);
@ -2728,18 +2756,15 @@ static void rx_intr_handler(ring_info_t *ring_data)
HEADER_SNAP_SIZE,
PCI_DMA_FROMDEVICE);
} else if (nic->rxd_mode == RXD_MODE_3B) {
pci_unmap_single(nic->pdev, (dma_addr_t)
pci_dma_sync_single_for_cpu(nic->pdev, (dma_addr_t)
((RxD3_t*)rxdp)->Buffer0_ptr,
BUF0_LEN, PCI_DMA_FROMDEVICE);
pci_unmap_single(nic->pdev, (dma_addr_t)
((RxD3_t*)rxdp)->Buffer1_ptr,
BUF1_LEN, PCI_DMA_FROMDEVICE);
pci_unmap_single(nic->pdev, (dma_addr_t)
((RxD3_t*)rxdp)->Buffer2_ptr,
dev->mtu + 4,
PCI_DMA_FROMDEVICE);
} else {
pci_unmap_single(nic->pdev, (dma_addr_t)
pci_dma_sync_single_for_cpu(nic->pdev, (dma_addr_t)
((RxD3_t*)rxdp)->Buffer0_ptr, BUF0_LEN,
PCI_DMA_FROMDEVICE);
pci_unmap_single(nic->pdev, (dma_addr_t)
@ -3327,7 +3352,7 @@ static void s2io_reset(nic_t * sp)
/* Clear certain PCI/PCI-X fields after reset */
if (sp->device_type == XFRAME_II_DEVICE) {
/* Clear parity err detect bit */
/* Clear "detected parity error" bit */
pci_write_config_word(sp->pdev, PCI_STATUS, 0x8000);
/* Clearing PCIX Ecc status register */
@ -3528,7 +3553,7 @@ static void restore_xmsi_data(nic_t *nic)
u64 val64;
int i;
for (i=0; i< nic->avail_msix_vectors; i++) {
for (i=0; i < MAX_REQUESTED_MSI_X; i++) {
writeq(nic->msix_info[i].addr, &bar0->xmsi_address);
writeq(nic->msix_info[i].data, &bar0->xmsi_data);
val64 = (BIT(7) | BIT(15) | vBIT(i, 26, 6));
@ -3547,7 +3572,7 @@ static void store_xmsi_data(nic_t *nic)
int i;
/* Store and display */
for (i=0; i< nic->avail_msix_vectors; i++) {
for (i=0; i < MAX_REQUESTED_MSI_X; i++) {
val64 = (BIT(15) | vBIT(i, 26, 6));
writeq(val64, &bar0->xmsi_access);
if (wait_for_msix_trans(nic, i)) {
@ -3808,13 +3833,11 @@ static int s2io_xmit(struct sk_buff *skb, struct net_device *dev)
TxD_t *txdp;
TxFIFO_element_t __iomem *tx_fifo;
unsigned long flags;
#ifdef NETIF_F_TSO
int mss;
#endif
u16 vlan_tag = 0;
int vlan_priority = 0;
mac_info_t *mac_control;
struct config_param *config;
int offload_type;
mac_control = &sp->mac_control;
config = &sp->config;
@ -3862,13 +3885,11 @@ static int s2io_xmit(struct sk_buff *skb, struct net_device *dev)
return 0;
}
txdp->Control_1 = 0;
txdp->Control_2 = 0;
offload_type = s2io_offload_type(skb);
#ifdef NETIF_F_TSO
mss = skb_shinfo(skb)->gso_size;
if (skb_shinfo(skb)->gso_type & (SKB_GSO_TCPV4 | SKB_GSO_TCPV6)) {
if (offload_type & (SKB_GSO_TCPV4 | SKB_GSO_TCPV6)) {
txdp->Control_1 |= TXD_TCP_LSO_EN;
txdp->Control_1 |= TXD_TCP_LSO_MSS(mss);
txdp->Control_1 |= TXD_TCP_LSO_MSS(s2io_tcp_mss(skb));
}
#endif
if (skb->ip_summed == CHECKSUM_HW) {
@ -3886,10 +3907,10 @@ static int s2io_xmit(struct sk_buff *skb, struct net_device *dev)
}
frg_len = skb->len - skb->data_len;
if (skb_shinfo(skb)->gso_type == SKB_GSO_UDP) {
if (offload_type == SKB_GSO_UDP) {
int ufo_size;
ufo_size = skb_shinfo(skb)->gso_size;
ufo_size = s2io_udp_mss(skb);
ufo_size &= ~7;
txdp->Control_1 |= TXD_UFO_EN;
txdp->Control_1 |= TXD_UFO_MSS(ufo_size);
@ -3906,16 +3927,13 @@ static int s2io_xmit(struct sk_buff *skb, struct net_device *dev)
sp->ufo_in_band_v,
sizeof(u64), PCI_DMA_TODEVICE);
txdp++;
txdp->Control_1 = 0;
txdp->Control_2 = 0;
}
txdp->Buffer_Pointer = pci_map_single
(sp->pdev, skb->data, frg_len, PCI_DMA_TODEVICE);
txdp->Host_Control = (unsigned long) skb;
txdp->Control_1 |= TXD_BUFFER0_SIZE(frg_len);
if (skb_shinfo(skb)->gso_type == SKB_GSO_UDP)
if (offload_type == SKB_GSO_UDP)
txdp->Control_1 |= TXD_UFO_EN;
frg_cnt = skb_shinfo(skb)->nr_frags;
@ -3930,12 +3948,12 @@ static int s2io_xmit(struct sk_buff *skb, struct net_device *dev)
(sp->pdev, frag->page, frag->page_offset,
frag->size, PCI_DMA_TODEVICE);
txdp->Control_1 = TXD_BUFFER0_SIZE(frag->size);
if (skb_shinfo(skb)->gso_type == SKB_GSO_UDP)
if (offload_type == SKB_GSO_UDP)
txdp->Control_1 |= TXD_UFO_EN;
}
txdp->Control_1 |= TXD_GATHER_CODE_LAST;
if (skb_shinfo(skb)->gso_type == SKB_GSO_UDP)
if (offload_type == SKB_GSO_UDP)
frg_cnt++; /* as Txd0 was used for inband header */
tx_fifo = mac_control->tx_FIFO_start[queue];
@ -3944,13 +3962,9 @@ static int s2io_xmit(struct sk_buff *skb, struct net_device *dev)
val64 = (TX_FIFO_LAST_TXD_NUM(frg_cnt) | TX_FIFO_FIRST_LIST |
TX_FIFO_LAST_LIST);
if (offload_type)
val64 |= TX_FIFO_SPECIAL_FUNC;
#ifdef NETIF_F_TSO
if (mss)
val64 |= TX_FIFO_SPECIAL_FUNC;
#endif
if (skb_shinfo(skb)->gso_type == SKB_GSO_UDP)
val64 |= TX_FIFO_SPECIAL_FUNC;
writeq(val64, &tx_fifo->List_Control);
mmiowb();
@ -3984,13 +3998,41 @@ s2io_alarm_handle(unsigned long data)
mod_timer(&sp->alarm_timer, jiffies + HZ / 2);
}
static int s2io_chk_rx_buffers(nic_t *sp, int rng_n)
{
int rxb_size, level;
if (!sp->lro) {
rxb_size = atomic_read(&sp->rx_bufs_left[rng_n]);
level = rx_buffer_level(sp, rxb_size, rng_n);
if ((level == PANIC) && (!TASKLET_IN_USE)) {
int ret;
DBG_PRINT(INTR_DBG, "%s: Rx BD hit ", __FUNCTION__);
DBG_PRINT(INTR_DBG, "PANIC levels\n");
if ((ret = fill_rx_buffers(sp, rng_n)) == -ENOMEM) {
DBG_PRINT(ERR_DBG, "Out of memory in %s",
__FUNCTION__);
clear_bit(0, (&sp->tasklet_status));
return -1;
}
clear_bit(0, (&sp->tasklet_status));
} else if (level == LOW)
tasklet_schedule(&sp->task);
} else if (fill_rx_buffers(sp, rng_n) == -ENOMEM) {
DBG_PRINT(ERR_DBG, "%s:Out of memory", sp->dev->name);
DBG_PRINT(ERR_DBG, " in Rx Intr!!\n");
}
return 0;
}
static irqreturn_t
s2io_msi_handle(int irq, void *dev_id, struct pt_regs *regs)
{
struct net_device *dev = (struct net_device *) dev_id;
nic_t *sp = dev->priv;
int i;
int ret;
mac_info_t *mac_control;
struct config_param *config;
@ -4012,35 +4054,8 @@ s2io_msi_handle(int irq, void *dev_id, struct pt_regs *regs)
* reallocate the buffers from the interrupt handler itself,
* else schedule a tasklet to reallocate the buffers.
*/
for (i = 0; i < config->rx_ring_num; i++) {
if (!sp->lro) {
int rxb_size = atomic_read(&sp->rx_bufs_left[i]);
int level = rx_buffer_level(sp, rxb_size, i);
if ((level == PANIC) && (!TASKLET_IN_USE)) {
DBG_PRINT(INTR_DBG, "%s: Rx BD hit ",
dev->name);
DBG_PRINT(INTR_DBG, "PANIC levels\n");
if ((ret = fill_rx_buffers(sp, i)) == -ENOMEM) {
DBG_PRINT(ERR_DBG, "%s:Out of memory",
dev->name);
DBG_PRINT(ERR_DBG, " in ISR!!\n");
clear_bit(0, (&sp->tasklet_status));
atomic_dec(&sp->isr_cnt);
return IRQ_HANDLED;
}
clear_bit(0, (&sp->tasklet_status));
} else if (level == LOW) {
tasklet_schedule(&sp->task);
}
}
else if (fill_rx_buffers(sp, i) == -ENOMEM) {
DBG_PRINT(ERR_DBG, "%s:Out of memory",
dev->name);
DBG_PRINT(ERR_DBG, " in Rx Intr!!\n");
break;
}
}
for (i = 0; i < config->rx_ring_num; i++)
s2io_chk_rx_buffers(sp, i);
atomic_dec(&sp->isr_cnt);
return IRQ_HANDLED;
@ -4051,39 +4066,13 @@ s2io_msix_ring_handle(int irq, void *dev_id, struct pt_regs *regs)
{
ring_info_t *ring = (ring_info_t *)dev_id;
nic_t *sp = ring->nic;
struct net_device *dev = (struct net_device *) dev_id;
int rxb_size, level, rng_n;
atomic_inc(&sp->isr_cnt);
rx_intr_handler(ring);
rng_n = ring->ring_no;
if (!sp->lro) {
rxb_size = atomic_read(&sp->rx_bufs_left[rng_n]);
level = rx_buffer_level(sp, rxb_size, rng_n);
if ((level == PANIC) && (!TASKLET_IN_USE)) {
int ret;
DBG_PRINT(INTR_DBG, "%s: Rx BD hit ", __FUNCTION__);
DBG_PRINT(INTR_DBG, "PANIC levels\n");
if ((ret = fill_rx_buffers(sp, rng_n)) == -ENOMEM) {
DBG_PRINT(ERR_DBG, "Out of memory in %s",
__FUNCTION__);
clear_bit(0, (&sp->tasklet_status));
return IRQ_HANDLED;
}
clear_bit(0, (&sp->tasklet_status));
} else if (level == LOW) {
tasklet_schedule(&sp->task);
}
}
else if (fill_rx_buffers(sp, rng_n) == -ENOMEM) {
DBG_PRINT(ERR_DBG, "%s:Out of memory", dev->name);
DBG_PRINT(ERR_DBG, " in Rx Intr!!\n");
}
s2io_chk_rx_buffers(sp, ring->ring_no);
atomic_dec(&sp->isr_cnt);
return IRQ_HANDLED;
}
@ -4248,37 +4237,8 @@ static irqreturn_t s2io_isr(int irq, void *dev_id, struct pt_regs *regs)
* else schedule a tasklet to reallocate the buffers.
*/
#ifndef CONFIG_S2IO_NAPI
for (i = 0; i < config->rx_ring_num; i++) {
if (!sp->lro) {
int ret;
int rxb_size = atomic_read(&sp->rx_bufs_left[i]);
int level = rx_buffer_level(sp, rxb_size, i);
if ((level == PANIC) && (!TASKLET_IN_USE)) {
DBG_PRINT(INTR_DBG, "%s: Rx BD hit ",
dev->name);
DBG_PRINT(INTR_DBG, "PANIC levels\n");
if ((ret = fill_rx_buffers(sp, i)) == -ENOMEM) {
DBG_PRINT(ERR_DBG, "%s:Out of memory",
dev->name);
DBG_PRINT(ERR_DBG, " in ISR!!\n");
clear_bit(0, (&sp->tasklet_status));
atomic_dec(&sp->isr_cnt);
writeq(org_mask, &bar0->general_int_mask);
return IRQ_HANDLED;
}
clear_bit(0, (&sp->tasklet_status));
} else if (level == LOW) {
tasklet_schedule(&sp->task);
}
}
else if (fill_rx_buffers(sp, i) == -ENOMEM) {
DBG_PRINT(ERR_DBG, "%s:Out of memory",
dev->name);
DBG_PRINT(ERR_DBG, " in Rx intr!!\n");
break;
}
}
for (i = 0; i < config->rx_ring_num; i++)
s2io_chk_rx_buffers(sp, i);
#endif
writeq(org_mask, &bar0->general_int_mask);
atomic_dec(&sp->isr_cnt);
@ -4308,6 +4268,8 @@ static void s2io_updt_stats(nic_t *sp)
if (cnt == 5)
break; /* Updt failed */
} while(1);
} else {
memset(sp->mac_control.stats_info, 0, sizeof(StatInfo_t));
}
}
@ -4942,7 +4904,8 @@ static int write_eeprom(nic_t * sp, int off, u64 data, int cnt)
}
static void s2io_vpd_read(nic_t *nic)
{
u8 vpd_data[256],data;
u8 *vpd_data;
u8 data;
int i=0, cnt, fail = 0;
int vpd_addr = 0x80;
@ -4955,6 +4918,10 @@ static void s2io_vpd_read(nic_t *nic)
vpd_addr = 0x50;
}
vpd_data = kmalloc(256, GFP_KERNEL);
if (!vpd_data)
return;
for (i = 0; i < 256; i +=4 ) {
pci_write_config_byte(nic->pdev, (vpd_addr + 2), i);
pci_read_config_byte(nic->pdev, (vpd_addr + 2), &data);
@ -4977,6 +4944,7 @@ static void s2io_vpd_read(nic_t *nic)
memset(nic->product_name, 0, vpd_data[1]);
memcpy(nic->product_name, &vpd_data[3], vpd_data[1]);
}
kfree(vpd_data);
}
/**
@ -5295,7 +5263,7 @@ static int s2io_link_test(nic_t * sp, uint64_t * data)
else
*data = 0;
return 0;
return *data;
}
/**
@ -5753,6 +5721,19 @@ static int s2io_ethtool_op_set_tx_csum(struct net_device *dev, u32 data)
return 0;
}
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)
dev->features |= (NETIF_F_TSO | NETIF_F_TSO6);
else
dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO6);
return 0;
}
static struct ethtool_ops netdev_ethtool_ops = {
.get_settings = s2io_ethtool_gset,
@ -5773,8 +5754,8 @@ static struct ethtool_ops netdev_ethtool_ops = {
.get_sg = ethtool_op_get_sg,
.set_sg = ethtool_op_set_sg,
#ifdef NETIF_F_TSO
.get_tso = ethtool_op_get_tso,
.set_tso = ethtool_op_set_tso,
.get_tso = s2io_ethtool_op_get_tso,
.set_tso = s2io_ethtool_op_set_tso,
#endif
.get_ufo = ethtool_op_get_ufo,
.set_ufo = ethtool_op_set_ufo,
@ -6337,7 +6318,7 @@ static int s2io_card_up(nic_t * sp)
s2io_set_multicast(dev);
if (sp->lro) {
/* Initialize max aggregatable pkts based on MTU */
/* 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 */
if (lro_max_pkts < sp->lro_max_aggr_per_sess)
@ -6438,7 +6419,7 @@ static void s2io_tx_watchdog(struct net_device *dev)
* @cksum : FCS checksum of the frame.
* @ring_no : the ring from which this RxD was extracted.
* Description:
* This function is called by the Tx interrupt serivce routine to perform
* This function is called by the Rx interrupt serivce routine to perform
* some OS related operations on the SKB before passing it to the upper
* layers. It mainly checks if the checksum is OK, if so adds it to the
* SKBs cksum variable, increments the Rx packet count and passes the SKB
@ -6698,33 +6679,6 @@ static void s2io_init_pci(nic_t * sp)
pci_read_config_word(sp->pdev, PCI_COMMAND, &pci_cmd);
}
MODULE_AUTHOR("Raghavendra Koushik <raghavendra.koushik@neterion.com>");
MODULE_LICENSE("GPL");
MODULE_VERSION(DRV_VERSION);
module_param(tx_fifo_num, int, 0);
module_param(rx_ring_num, int, 0);
module_param(rx_ring_mode, int, 0);
module_param_array(tx_fifo_len, uint, NULL, 0);
module_param_array(rx_ring_sz, uint, NULL, 0);
module_param_array(rts_frm_len, uint, NULL, 0);
module_param(use_continuous_tx_intrs, int, 1);
module_param(rmac_pause_time, int, 0);
module_param(mc_pause_threshold_q0q3, int, 0);
module_param(mc_pause_threshold_q4q7, int, 0);
module_param(shared_splits, int, 0);
module_param(tmac_util_period, int, 0);
module_param(rmac_util_period, int, 0);
module_param(bimodal, bool, 0);
module_param(l3l4hdr_size, int , 0);
#ifndef CONFIG_S2IO_NAPI
module_param(indicate_max_pkts, int, 0);
#endif
module_param(rxsync_frequency, int, 0);
module_param(intr_type, int, 0);
module_param(lro, int, 0);
module_param(lro_max_pkts, int, 0);
static int s2io_verify_parm(struct pci_dev *pdev, u8 *dev_intr_type)
{
if ( tx_fifo_num > 8) {
@ -6832,8 +6786,8 @@ s2io_init_nic(struct pci_dev *pdev, const struct pci_device_id *pre)
}
if (dev_intr_type != MSI_X) {
if (pci_request_regions(pdev, s2io_driver_name)) {
DBG_PRINT(ERR_DBG, "Request Regions failed\n"),
pci_disable_device(pdev);
DBG_PRINT(ERR_DBG, "Request Regions failed\n");
pci_disable_device(pdev);
return -ENODEV;
}
}
@ -6957,7 +6911,7 @@ s2io_init_nic(struct pci_dev *pdev, const struct pci_device_id *pre)
/* initialize the shared memory used by the NIC and the host */
if (init_shared_mem(sp)) {
DBG_PRINT(ERR_DBG, "%s: Memory allocation failed\n",
__FUNCTION__);
dev->name);
ret = -ENOMEM;
goto mem_alloc_failed;
}
@ -7094,6 +7048,9 @@ s2io_init_nic(struct pci_dev *pdev, const struct pci_device_id *pre)
dev->addr_len = ETH_ALEN;
memcpy(dev->dev_addr, sp->def_mac_addr, ETH_ALEN);
/* reset Nic and bring it to known state */
s2io_reset(sp);
/*
* Initialize the tasklet status and link state flags
* and the card state parameter
@ -7131,11 +7088,11 @@ s2io_init_nic(struct pci_dev *pdev, const struct pci_device_id *pre)
goto register_failed;
}
s2io_vpd_read(sp);
DBG_PRINT(ERR_DBG, "%s: Neterion %s",dev->name, sp->product_name);
DBG_PRINT(ERR_DBG, "(rev %d), Driver version %s\n",
get_xena_rev_id(sp->pdev),
s2io_driver_version);
DBG_PRINT(ERR_DBG, "Copyright(c) 2002-2005 Neterion Inc.\n");
DBG_PRINT(ERR_DBG, "%s: Neterion %s (rev %d)\n",dev->name,
sp->product_name, get_xena_rev_id(sp->pdev));
DBG_PRINT(ERR_DBG, "%s: Driver version %s\n", dev->name,
s2io_driver_version);
DBG_PRINT(ERR_DBG, "%s: MAC ADDR: "
"%02x:%02x:%02x:%02x:%02x:%02x\n", dev->name,
sp->def_mac_addr[0].mac_addr[0],
@ -7436,8 +7393,13 @@ static int verify_l3_l4_lro_capable(lro_t *l_lro, struct iphdr *ip,
if (ip->ihl != 5) /* IP has options */
return -1;
/* If we see CE codepoint in IP header, packet is not mergeable */
if (INET_ECN_is_ce(ipv4_get_dsfield(ip)))
return -1;
/* If we see ECE or CWR flags in TCP header, packet is not mergeable */
if (tcp->urg || tcp->psh || tcp->rst || tcp->syn || tcp->fin ||
!tcp->ack) {
tcp->ece || tcp->cwr || !tcp->ack) {
/*
* Currently recognize only the ack control word and
* any other control field being set would result in
@ -7591,18 +7553,16 @@ static void queue_rx_frame(struct sk_buff *skb)
static void lro_append_pkt(nic_t *sp, lro_t *lro, struct sk_buff *skb,
u32 tcp_len)
{
struct sk_buff *tmp, *first = lro->parent;
struct sk_buff *first = lro->parent;
first->len += tcp_len;
first->data_len = lro->frags_len;
skb_pull(skb, (skb->len - tcp_len));
if ((tmp = skb_shinfo(first)->frag_list)) {
while (tmp->next)
tmp = tmp->next;
tmp->next = skb;
}
if (skb_shinfo(first)->frag_list)
lro->last_frag->next = skb;
else
skb_shinfo(first)->frag_list = skb;
lro->last_frag = skb;
sp->mac_control.stats_info->sw_stat.clubbed_frms_cnt++;
return;
}

10
drivers/net/s2io.h
View File

@ -719,6 +719,7 @@ struct msix_info_st {
/* Data structure to represent a LRO session */
typedef struct lro {
struct sk_buff *parent;
struct sk_buff *last_frag;
u8 *l2h;
struct iphdr *iph;
struct tcphdr *tcph;
@ -1011,4 +1012,13 @@ static void clear_lro_session(lro_t *lro);
static void queue_rx_frame(struct sk_buff *skb);
static void update_L3L4_header(nic_t *sp, lro_t *lro);
static void lro_append_pkt(nic_t *sp, lro_t *lro, struct sk_buff *skb, u32 tcp_len);
#define s2io_tcp_mss(skb) skb_shinfo(skb)->gso_size
#define s2io_udp_mss(skb) skb_shinfo(skb)->gso_size
#define s2io_offload_type(skb) skb_shinfo(skb)->gso_type
#define S2IO_PARM_INT(X, def_val) \
static unsigned int X = def_val;\
module_param(X , uint, 0);
#endif /* _S2IO_H */