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yaml
---
r: 33145
b: refs/heads/master
c: b41477f
h: refs/heads/master
i:
  33143: fc01f36
v: v3
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Ananda Raju authored and Jeff Garzik committed Aug 3, 2006
1 parent 20c105e commit 8920012
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Showing 3 changed files with 86 additions and 79 deletions.
2 changes: 1 addition & 1 deletion [refs]
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Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 2b14c30b46e007a16c665cc86329bf4a1d9ff6ee
refs/heads/master: b41477f32a5aaf39a77741c0138b16f16a636c70
158 changes: 80 additions & 78 deletions trunk/drivers/net/s2io.c
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Original file line number Diff line number Diff line change
Expand Up @@ -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;
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
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 */
static unsigned int rxsync_frequency = 3;
S2IO_PARM_INT(rxsync_frequency, 3);
/* Interrupt type. Values can be 0(INTA), 1(MSI), 2(MSI_X) */
static unsigned int intr_type = 0;
S2IO_PARM_INT(intr_type, 0);
/* Large receive offload feature */
static unsigned int lro = 0;
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)
*/
static unsigned int lro_max_pkts = 0xFFFF;
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_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 };

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.
Expand Down Expand Up @@ -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);
Expand Down Expand Up @@ -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;
Expand Down Expand Up @@ -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);
Expand Down Expand Up @@ -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
*/
Expand Down Expand Up @@ -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);
}

Expand Down Expand Up @@ -2614,23 +2626,23 @@ static int s2io_poll(struct net_device *dev, int *budget)
}
#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);
Expand All @@ -2639,9 +2651,17 @@ 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]);

Expand Down Expand Up @@ -3327,7 +3347,7 @@ 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 */
Expand Down Expand Up @@ -4942,7 +4962,8 @@ 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;

Expand All @@ -4955,6 +4976,10 @@ 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);
Expand All @@ -4977,6 +5002,7 @@ 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);
}

/**
Expand Down Expand Up @@ -5295,7 +5321,7 @@ static int s2io_link_test(nic_t * sp, uint64_t * data)
else
*data = 0;

return 0;
return *data;
}

/**
Expand Down Expand Up @@ -6337,7 +6363,7 @@ 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)
Expand Down Expand Up @@ -6438,7 +6464,7 @@ 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
Expand Down Expand Up @@ -6698,33 +6724,6 @@ 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) {
Expand Down Expand Up @@ -6832,8 +6831,8 @@ 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;
}
}
Expand Down Expand Up @@ -6957,7 +6956,7 @@ 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;
}
Expand Down Expand Up @@ -7094,6 +7093,9 @@ 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
Expand Down Expand Up @@ -7131,11 +7133,11 @@ 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],
Expand Down
5 changes: 5 additions & 0 deletions trunk/drivers/net/s2io.h
View file
Original file line number Diff line number Diff line change
Expand Up @@ -1011,4 +1011,9 @@ 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_PARM_INT(X, def_val) \
static unsigned int X = def_val;\
module_param(X , uint, 0);

#endif /* _S2IO_H */

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