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Commit ab5ad357 authored by Scott Feldman's avatar Scott Feldman Committed by Jeff Garzik
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[netdrvr e100] copyright + trailing blanks + misc 

* Misc: 2004 copyright, remove trailing white space, remove some
  unused symbols.
parent 0b69e32d
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drivers/net/e100.c
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/*******************************************************************************
Copyright(c) 1999 - 2003 Intel Corporation. All rights reserved.
Copyright(c) 1999 - 2004 Intel Corporation. All rights reserved.
This program is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the Free
......@@ -27,7 +27,7 @@
*******************************************************************************/
/*
* e100.c: Intel(R) PRO/100 ethernet driver
* e100.c: Intel(R) PRO/100 ethernet driver
*
* (Re)written 2003 by scott.feldman@intel.com. Based loosely on
* original e100 driver, but better described as a munging of
......@@ -65,11 +65,11 @@
* through the Management Data Interface (MDI). Consequently, the
* driver leverages the mii.c library shared with other MII-compliant
* devices.
*
* Big- and Little-Endian byte order as well as 32- and 64-bit
*
* Big- and Little-Endian byte order as well as 32- and 64-bit
* archs are supported. Weak-ordered memory and non-cache-coherent
* archs are supported.
*
*
* III. Transmit
*
* A Tx skb is mapped and hangs off of a TCB. TCBs are linked
......@@ -83,7 +83,7 @@
* Non-Tx commands (config, multicast setup, etc) are linked
* into the CBL ring along with Tx commands. The common structure
* used for both Tx and non-Tx commands is the Command Block (CB).
*
*
* cb_to_use is the next CB to use for queuing a command; cb_to_clean
* is the next CB to check for completion; cb_to_send is the first
* CB to start on in case of a previous failure to resume. CB clean
......@@ -101,14 +101,14 @@
* Descriptors (RFD) + data buffer, thus forming the simplified mode
* memory structure. Rx skbs are allocated to contain both the RFD
* and the data buffer, but the RFD is pulled off before the skb is
* indicated. The data buffer is aligned such that encapsulated
* indicated. The data buffer is aligned such that encapsulated
* protocol headers are u32-aligned. Since the RFD is part of the
* mapped shared memory, and completion status is contained within
* the RFD, the RFD must be dma_sync'ed to maintain a consistent
* view from software and hardware.
*
* Under typical operation, the receive unit (RU) is start once,
* and the controller happily fills RFDs as frames arrive. If
* and the controller happily fills RFDs as frames arrive. If
* replacement RFDs cannot be allocated, or the RU goes non-active,
* the RU must be restarted. Frame arrival generates an interrupt,
* and Rx indication and re-allocation happen in the same context,
......@@ -130,7 +130,7 @@
*
* MagicPacket(tm) WoL support is enabled/disabled via ethtool.
*
* Thanks to JC (jchapman@katalix.com) for helping with
* Thanks to JC (jchapman@katalix.com) for helping with
* testing/troubleshooting the development driver.
*/
......@@ -154,9 +154,9 @@
#define DRV_NAME "e100"
#define DRV_VERSION "3.0.12_dev"
#define DRV_VERSION "3.0.13_dev"
#define DRV_DESCRIPTION "Intel(R) PRO/100 Network Driver"
#define DRV_COPYRIGHT "Copyright(c) 1999-2003 Intel Corporation"
#define DRV_COPYRIGHT "Copyright(c) 1999-2004 Intel Corporation"
#define PFX DRV_NAME ": "
#define E100_WATCHDOG_PERIOD 2 * HZ
......@@ -233,9 +233,9 @@ enum mac {
enum phy {
phy_100a = 0x000003E0,
phy_100c = 0x035002A8,
phy_100c = 0x035002A8,
phy_82555_tx = 0x015002A8,
phy_nsc_tx = 0x5C002000,
phy_nsc_tx = 0x5C002000,
phy_82562_et = 0x033002A8,
phy_82562_em = 0x032002A8,
phy_82562_eh = 0x017002A8,
......@@ -260,15 +260,8 @@ struct csr {
};
enum scb_status {
rus_idle = 0x00,
rus_suspended = 0x04,
rus_no_resources = 0x08,
rus_ready = 0x10,
rus_mask = 0x3C,
cus_idle = 0x00,
cus_suspended = 0x40,
cus_active = 0x80,
cus_mask = 0xC0,
};
enum scb_stat_ack {
......@@ -517,7 +510,7 @@ struct nic {
multicast_all = (1 << 2),
wol_magic = (1 << 3),
} flags ____cacheline_aligned;
enum mac mac;
enum phy phy;
struct params params;
......@@ -544,7 +537,7 @@ struct nic {
u32 rx_fc_pause;
u32 rx_fc_unsupported;
u32 rx_tco_frames;
u8 rev_id;
u16 leds;
u16 eeprom_wc;
......@@ -577,14 +570,14 @@ static void e100_hw_reset(struct nic *nic)
* device off of PCI bus */
writel(selective_reset, &nic->csr->port);
e100_write_flush(nic); udelay(20);
/* Now fully reset device */
writel(software_reset, &nic->csr->port);
e100_write_flush(nic); udelay(20);
/* TCO workaround - 82559 and greater */
if(nic->mac >= mac_82559_D101M) {
/* Issue a redundant CU load base without setting
/* Issue a redundant CU load base without setting
* general pointer, and without waiting for scb to
* clear. This gets us into post-driver. Finally,
* wait 20 msec for reset to take effect. */
......@@ -712,7 +705,7 @@ static int e100_eeprom_load(struct nic *nic)
/* Try reading with an 8-bit addr len to discover actual addr len */
e100_eeprom_read(nic, &addr_len, 0);
nic->eeprom_wc = 1 << addr_len;
for(addr = 0; addr < nic->eeprom_wc; addr++) {
nic->eeprom[addr] = e100_eeprom_read(nic, &addr_len, addr);
if(addr < nic->eeprom_wc - 1)
......@@ -726,7 +719,7 @@ static int e100_eeprom_load(struct nic *nic)
DPRINTK(PROBE, ERR, "EEPROM corrupted\n");
return -EAGAIN;
}
return 0;
}
......@@ -738,10 +731,10 @@ static int e100_eeprom_save(struct nic *nic, u16 start, u16 count)
/* Try reading with an 8-bit addr len to discover actual addr len */
e100_eeprom_read(nic, &addr_len, 0);
nic->eeprom_wc = 1 << addr_len;
if(start + count >= nic->eeprom_wc)
return -EINVAL;
for(addr = start; addr < start + count; addr++)
e100_eeprom_write(nic, addr_len, addr, nic->eeprom[addr]);
......@@ -810,7 +803,7 @@ static inline int e100_exec_cb(struct nic *nic, struct sk_buff *skb,
err = -ENOSPC;
cb_prepare(nic, cb, skb);
/* Order is important otherwise we'll be in a race with h/w:
* set S-bit in current first, then clear S-bit in previous. */
cb->command |= cpu_to_le16(cb_s);
......@@ -849,7 +842,7 @@ static u16 mdio_ctrl(struct nic *nic, u32 addr, u32 dir, u32 reg, u16 data)
if((data_out = readl(&nic->csr->mdi_ctrl)) & mdi_ready)
break;
}
DPRINTK(HW, DEBUG,
"%s:addr=%d, reg=%d, data_in=0x%04X, data_out=0x%04X\n",
dir == mdi_read ? "READ" : "WRITE", addr, reg, data, data_out);
......@@ -877,9 +870,9 @@ static void e100_get_defaults(struct nic *nic)
if(nic->mac == mac_unknown)
nic->mac = mac_82557_D100_A;
nic->params.rfds = rfds;
nic->params.cbs = cbs;
nic->params.rfds = rfds;
nic->params.cbs = cbs;
/* Quadwords to DMA into FIFO before starting frame transmit */
nic->tx_threshold = 0xE0;
......@@ -905,9 +898,9 @@ static void e100_configure(struct nic *nic, struct cb *cb, struct sk_buff *skb)
u8 *c = (u8 *)config;
cb->command = cpu_to_le16(cb_config);
memset(config, 0, sizeof(struct config));
config->byte_count = 0x16; /* bytes in this struct */
config->rx_fifo_limit = 0x8; /* bytes in FIFO before DMA */
config->direct_rx_dma = 0x1; /* reserved */
......@@ -938,7 +931,7 @@ static void e100_configure(struct nic *nic, struct cb *cb, struct sk_buff *skb)
if(nic->mii.force_media && nic->mii.full_duplex)
config->full_duplex_force = 0x1; /* 1=force, 0=auto */
if(nic->flags & promiscuous || nic->loopback) {
config->rx_save_bad_frames = 0x1; /* 1=save, 0=discard */
config->rx_discard_short_frames = 0x0; /* 1=discard, 0=save */
......@@ -947,7 +940,7 @@ static void e100_configure(struct nic *nic, struct cb *cb, struct sk_buff *skb)
if(nic->flags & multicast_all)
config->multicast_all = 0x1; /* 1=accept, 0=no */
if(!(nic->flags & wol_magic))
config->magic_packet_disable = 0x1; /* 1=off, 0=on */
......@@ -961,7 +954,7 @@ static void e100_configure(struct nic *nic, struct cb *cb, struct sk_buff *skb)
else
config->standard_stat_counter = 0x0;
}
DPRINTK(HW, DEBUG, "[00-07]=%02X:%02X:%02X:%02X:%02X:%02X:%02X:%02X\n",
c[0], c[1], c[2], c[3], c[4], c[5], c[6], c[7]);
DPRINTK(HW, DEBUG, "[08-15]=%02X:%02X:%02X:%02X:%02X:%02X:%02X:%02X\n",
......@@ -1007,7 +1000,7 @@ static int e100_phy_init(struct nic *nic)
DPRINTK(HW, DEBUG, "phy_addr = %d\n", nic->mii.phy_id);
if(addr == 32)
return -EAGAIN;
/* Selected the phy and isolate the rest */
for(addr = 0; addr < 32; addr++) {
if(addr != nic->mii.phy_id) {
......@@ -1018,13 +1011,13 @@ static int e100_phy_init(struct nic *nic)
bmcr & ~BMCR_ISOLATE);
}
}
/* Get phy ID */
id_lo = mdio_read(netdev, nic->mii.phy_id, MII_PHYSID1);
id_hi = mdio_read(netdev, nic->mii.phy_id, MII_PHYSID2);
nic->phy = (u32)id_hi << 16 | (u32)id_lo;
DPRINTK(HW, DEBUG, "phy ID = 0x%08X\n", nic->phy);
/* Handle National tx phy */
if(nic->phy == phy_nsc_tx) {
/* Disable congestion control */
......@@ -1033,7 +1026,7 @@ static int e100_phy_init(struct nic *nic)
cong &= ~NSC_CONG_ENABLE;
mdio_write(netdev, nic->mii.phy_id, MII_NSC_CONG, cong);
}
if(nic->mac >= mac_82550_D102)
/* enable/disable MDI/MDI-X auto-switching */
mdio_write(netdev, nic->mii.phy_id, MII_NCONFIG,
......@@ -1045,7 +1038,7 @@ static int e100_phy_init(struct nic *nic)
static int e100_hw_init(struct nic *nic)
{
int err;
e100_hw_reset(nic);
DPRINTK(HW, ERR, "e100_hw_init\n");
......@@ -1062,7 +1055,7 @@ static int e100_hw_init(struct nic *nic)
return err;
if((err = e100_exec_cb(nic, NULL, e100_setup_iaaddr)))
return err;
if((err = e100_exec_cmd(nic, cuc_dump_addr,
if((err = e100_exec_cmd(nic, cuc_dump_addr,
nic->dma_addr + offsetof(struct mem, stats))))
return err;
if((err = e100_exec_cmd(nic, cuc_dump_reset, 0)))
......@@ -1117,7 +1110,7 @@ static void e100_update_stats(struct nic *nic)
&s->complete;
/* Device's stats reporting may take several microseconds to
* complete, so where always waiting for results of the
* complete, so where always waiting for results of the
* previous command. */
if(*complete == le32_to_cpu(0x0000A007)) {
......@@ -1203,10 +1196,10 @@ static void e100_watchdog(unsigned long data)
} else if(!mii_link_ok(&nic->mii) && netif_carrier_ok(nic->netdev)) {
DPRINTK(LINK, INFO, "link down\n");
}
mii_check_link(&nic->mii);
/* Software generated interrupt to recover from (rare) Rx
/* Software generated interrupt to recover from (rare) Rx
* allocation failure */
writeb(irq_sw_gen, &nic->csr->scb.cmd_hi);
e100_write_flush(nic);
......@@ -1269,7 +1262,7 @@ static inline int e100_tx_clean(struct nic *nic)
for(cb = nic->cb_to_clean;
cb->status & cpu_to_le16(cb_complete);
cb = nic->cb_to_clean = cb->next) {
if(likely(cb->skb != NULL)) {
if(likely(cb->skb)) {
nic->net_stats.tx_packets++;
nic->net_stats.tx_bytes += cb->skb->len;
......@@ -1283,7 +1276,7 @@ static inline int e100_tx_clean(struct nic *nic)
cb->status = 0;
nic->cbs_avail++;
}
spin_unlock(&nic->cb_lock);
/* Recover from running out of Tx resources in xmit_frame */
......@@ -1293,7 +1286,7 @@ static inline int e100_tx_clean(struct nic *nic)
return tx_cleaned;
}
static void e100_clean_cbs(struct nic *nic, int free_mem)
static void e100_clean_cbs(struct nic *nic)
{
if(nic->cbs) {
while(nic->cb_to_clean != nic->cb_to_use) {
......@@ -1308,13 +1301,11 @@ static void e100_clean_cbs(struct nic *nic, int free_mem)
nic->cb_to_clean = nic->cb_to_clean->next;
}
nic->cbs_avail = nic->params.cbs.count;
if(free_mem) {
pci_free_consistent(nic->pdev,
sizeof(struct cb) * nic->params.cbs.count,
nic->cbs, nic->cbs_dma_addr);
nic->cbs = NULL;
nic->cbs_avail = 0;
}
pci_free_consistent(nic->pdev,
sizeof(struct cb) * nic->params.cbs.count,
nic->cbs, nic->cbs_dma_addr);
nic->cbs = NULL;
nic->cbs_avail = 0;
}
nic->cuc_cmd = cuc_start;
nic->cb_to_use = nic->cb_to_send = nic->cb_to_clean =
......@@ -1325,25 +1316,25 @@ static int e100_alloc_cbs(struct nic *nic)
{
struct cb *cb;
unsigned int i, count = nic->params.cbs.count;
nic->cuc_cmd = cuc_start;
nic->cb_to_use = nic->cb_to_send = nic->cb_to_clean = NULL;
nic->cbs_avail = 0;
nic->cbs = pci_alloc_consistent(nic->pdev,
nic->cbs = pci_alloc_consistent(nic->pdev,
sizeof(struct cb) * count, &nic->cbs_dma_addr);
if(!nic->cbs)
return -ENOMEM;
for(cb = nic->cbs, i = 0; i < count; cb++, i++) {
cb->next = (i + 1 < count) ? cb + 1 : nic->cbs;
cb->prev = (i == 0) ? nic->cbs + count - 1 : cb - 1;
cb->prev = (i == 0) ? nic->cbs + count - 1 : cb - 1;
cb->dma_addr = nic->cbs_dma_addr + i * sizeof(struct cb);
cb->link = cpu_to_le32(nic->cbs_dma_addr +
((i+1) % count) * sizeof(struct cb));
}
nic->cb_to_use = nic->cb_to_send = nic->cb_to_clean = nic->cbs;
nic->cbs_avail = count;
......@@ -1617,7 +1608,7 @@ static int e100_asf(struct nic *nic)
!(nic->eeprom[eeprom_config_asf] & eeprom_gcl) &&
((nic->eeprom[eeprom_smbus_addr] & 0xFF) != 0xFE));
}
static int e100_up(struct nic *nic)
{
int err;
......@@ -1642,7 +1633,7 @@ static int e100_up(struct nic *nic)
del_timer_sync(&nic->watchdog);
netif_stop_queue(nic->netdev);
err_clean_cbs:
e100_clean_cbs(nic, 1);
e100_clean_cbs(nic);
err_rx_clean_list:
e100_rx_clean_list(nic);
return err;
......@@ -1655,7 +1646,7 @@ static void e100_down(struct nic *nic)
del_timer_sync(&nic->watchdog);
netif_carrier_off(nic->netdev);
netif_stop_queue(nic->netdev);
e100_clean_cbs(nic, 1);
e100_clean_cbs(nic);
e100_rx_clean_list(nic);
}
......@@ -1697,7 +1688,7 @@ static int e100_loopback_test(struct nic *nic, enum loopback loopback_mode)
BMCR_LOOPBACK);
e100_start_receiver(nic);
if(!(skb = dev_alloc_skb(ETH_DATA_LEN))) {
err = -ENOMEM;
goto err_loopback_none;
......@@ -1717,7 +1708,7 @@ static int e100_loopback_test(struct nic *nic, enum loopback loopback_mode)
mdio_write(nic->netdev, nic->mii.phy_id, MII_BMCR, 0);
nic->loopback = lb_none;
e100_hw_init(nic);
e100_clean_cbs(nic, 1);
e100_clean_cbs(nic);
err_clean_rx:
e100_rx_clean_list(nic);
return err;
......@@ -1745,7 +1736,7 @@ static int e100_get_settings(struct net_device *netdev, struct ethtool_cmd *cmd)
struct nic *nic = netdev->priv;
return mii_ethtool_gset(&nic->mii, cmd);
}
static int e100_set_settings(struct net_device *netdev, struct ethtool_cmd *cmd)
{
struct nic *nic = netdev->priv;
......@@ -1757,7 +1748,7 @@ static int e100_set_settings(struct net_device *netdev, struct ethtool_cmd *cmd)
return err;
}
static void e100_get_drvinfo(struct net_device *netdev,
struct ethtool_drvinfo *info)
{
......@@ -1767,7 +1758,7 @@ static void e100_get_drvinfo(struct net_device *netdev,
strcpy(info->fw_version, "N/A");
strcpy(info->bus_info, pci_name(nic->pdev));
}
static int e100_get_regs_len(struct net_device *netdev)
{
struct nic *nic = netdev->priv;
......@@ -1805,11 +1796,11 @@ static void e100_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
wol->supported = (nic->mac >= mac_82558_D101_A4) ? WAKE_MAGIC : 0;
wol->wolopts = (nic->flags & wol_magic) ? WAKE_MAGIC : 0;
}
static int e100_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
{
struct nic *nic = netdev->priv;
if(wol->wolopts != WAKE_MAGIC && wol->wolopts != 0)
return -EOPNOTSUPP;
......@@ -1820,22 +1811,22 @@ static int e100_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
pci_enable_wake(nic->pdev, 0, nic->flags & (wol_magic | e100_asf(nic)));
e100_exec_cb(nic, NULL, e100_configure);
return 0;
}
static u32 e100_get_msglevel(struct net_device *netdev)
{
struct nic *nic = netdev->priv;
return nic->msg_enable;
}
static void e100_set_msglevel(struct net_device *netdev, u32 value)
{
struct nic *nic = netdev->priv;
nic->msg_enable = value;
}
static int e100_nway_reset(struct net_device *netdev)
{
struct nic *nic = netdev->priv;
......@@ -1847,7 +1838,7 @@ static u32 e100_get_link(struct net_device *netdev)
struct nic *nic = netdev->priv;
return mii_link_ok(&nic->mii);
}
static int e100_get_eeprom_len(struct net_device *netdev)
{
struct nic *nic = netdev->priv;
......@@ -1859,7 +1850,7 @@ static int e100_get_eeprom(struct net_device *netdev,
struct ethtool_eeprom *eeprom, u8 *bytes)
{
struct nic *nic = netdev->priv;
eeprom->magic = E100_EEPROM_MAGIC;
memcpy(bytes, &((u8 *)nic->eeprom)[eeprom->offset], eeprom->len);
......@@ -1870,7 +1861,7 @@ static int e100_set_eeprom(struct net_device *netdev,
struct ethtool_eeprom *eeprom, u8 *bytes)
{
struct nic *nic = netdev->priv;
if(eeprom->magic != E100_EEPROM_MAGIC)
return -EINVAL;
memcpy(&((u8 *)nic->eeprom)[eeprom->offset], bytes, eeprom->len);
......@@ -1885,7 +1876,7 @@ static void e100_get_ringparam(struct net_device *netdev,
struct nic *nic = netdev->priv;
struct param_range *rfds = &nic->params.rfds;
struct param_range *cbs = &nic->params.cbs;
ring->rx_max_pending = rfds->max;
ring->tx_max_pending = cbs->max;
ring->rx_mini_max_pending = 0;
......@@ -1895,14 +1886,14 @@ static void e100_get_ringparam(struct net_device *netdev,
ring->rx_mini_pending = 0;
ring->rx_jumbo_pending = 0;
}
static int e100_set_ringparam(struct net_device *netdev,
struct ethtool_ringparam *ring)
{
struct nic *nic = netdev->priv;
struct param_range *rfds = &nic->params.rfds;
struct param_range *cbs = &nic->params.cbs;
if(netif_running(netdev))
e100_down(nic);
rfds->count = max(ring->rx_pending, rfds->min);
......@@ -1911,11 +1902,11 @@ static int e100_set_ringparam(struct net_device *netdev,
cbs->count = min(cbs->count, cbs->max);
if(netif_running(netdev))
e100_up(nic);
return 0;
}
static char e100_gstrings_test[][ETH_GSTRING_LEN] = {
static const char e100_gstrings_test[][ETH_GSTRING_LEN] = {
"Link test (on/offline)",
"Eeprom test (on/offline)",
"Self test (offline)",
......@@ -1966,7 +1957,7 @@ static int e100_phys_id(struct net_device *netdev, u32 data)
return 0;
}
static char e100_gstrings_stats[][ETH_GSTRING_LEN] = {
static const char e100_gstrings_stats[][ETH_GSTRING_LEN] = {
"rx_packets", "tx_packets", "rx_bytes", "tx_bytes", "rx_errors",
"tx_errors", "rx_dropped", "tx_dropped", "multicast", "collisions",
"rx_length_errors", "rx_over_errors", "rx_crc_errors",
......@@ -1974,7 +1965,7 @@ static char e100_gstrings_stats[][ETH_GSTRING_LEN] = {
"tx_aborted_errors", "tx_carrier_errors", "tx_fifo_errors",
"tx_heartbeat_errors", "tx_window_errors",
/* device-specific stats */
"tx_deferred", "tx_single_collisions", "tx_multi_collisions",
"tx_deferred", "tx_single_collisions", "tx_multi_collisions",
"tx_flow_control_pause", "rx_flow_control_pause",
"rx_flow_control_unsupported", "tx_tco_packets", "rx_tco_packets",
};
......@@ -2083,13 +2074,13 @@ static int e100_close(struct net_device *netdev)
return 0;
}
static int __devinit e100_probe(struct pci_dev *pdev,
static int __devinit e100_probe(struct pci_dev *pdev,
const struct pci_device_id *ent)
{
struct net_device *netdev;
struct nic *nic;
int err;
if(!(netdev = alloc_etherdev(sizeof(struct nic)))) {
if(((1 << debug) - 1) & NETIF_MSG_PROBE)
printk(KERN_ERR PFX "Etherdev alloc failed, abort.\n");
......@@ -2241,7 +2232,7 @@ static void __devexit e100_remove(struct pci_dev *pdev)
}
}
#ifdef CONFIG_PM
#ifdef CONFIG_PM
static int e100_suspend(struct pci_dev *pdev, u32 state)
{
struct net_device *netdev = pci_get_drvdata(pdev);
......@@ -2272,7 +2263,7 @@ static int e100_resume(struct pci_dev *pdev)
netif_device_attach(netdev);
if(netif_running(netdev))
e100_up(nic);
return 0;
}
#endif
......@@ -2282,7 +2273,7 @@ static struct pci_driver e100_driver = {
.id_table = e100_id_table,
.probe = e100_probe,
.remove = __devexit_p(e100_remove),
#ifdef CONFIG_PM
#ifdef CONFIG_PM
.suspend = e100_suspend,
.resume = e100_resume,
#endif
......
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