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Merge branch 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6

This commit is contained in:
Linus Torvalds 2006-01-17 19:46:46 -08:00
parent 15578eeb6c 77783a78de
commit d1138cf035
40 changed files with 1945 additions and 1589 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
MAINTAINERS
View File

@ -1696,11 +1696,13 @@ M: mtk-manpages@gmx.net
W: ftp://ftp.kernel.org/pub/linux/docs/manpages
S: Maintained
MARVELL MV64340 ETHERNET DRIVER
MARVELL MV643XX ETHERNET DRIVER
P: Dale Farnsworth
M: dale@farnsworth.org
P: Manish Lachwani
L: linux-mips@linux-mips.org
M: mlachwani@mvista.com
L: netdev@vger.kernel.org
S: Supported
S: Odd Fixes for 2.4; Maintained for 2.6.
MATROX FRAMEBUFFER DRIVER
P: Petr Vandrovec

2
drivers/net/b44.c
View File

@ -2136,7 +2136,7 @@ static int __init b44_init(void)
/* Setup paramaters for syncing RX/TX DMA descriptors */
dma_desc_align_mask = ~(dma_desc_align_size - 1);
dma_desc_sync_size = max(dma_desc_align_size, sizeof(struct dma_desc));
dma_desc_sync_size = max_t(unsigned int, dma_desc_align_size, sizeof(struct dma_desc));
return pci_module_init(&b44_driver);
}

142
drivers/net/e100.c
View File

@ -1,25 +1,25 @@
/*******************************************************************************
Copyright(c) 1999 - 2005 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
Software Foundation; either version 2 of the License, or (at your option)
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
Software Foundation; either version 2 of the License, or (at your option)
any later version.
This program is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
This program is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
more details.
You should have received a copy of the GNU General Public License along with
this program; if not, write to the Free Software Foundation, Inc., 59
this program; if not, write to the Free Software Foundation, Inc., 59
Temple Place - Suite 330, Boston, MA 02111-1307, USA.
The full GNU General Public License is included in this distribution in the
file called LICENSE.
Contact Information:
Linux NICS <linux.nics@intel.com>
Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
@ -160,7 +160,7 @@
#define DRV_NAME "e100"
#define DRV_EXT "-NAPI"
#define DRV_VERSION "3.4.14-k4"DRV_EXT
#define DRV_VERSION "3.5.10-k2"DRV_EXT
#define DRV_DESCRIPTION "Intel(R) PRO/100 Network Driver"
#define DRV_COPYRIGHT "Copyright(c) 1999-2005 Intel Corporation"
#define PFX DRV_NAME ": "
@ -320,7 +320,7 @@ enum cuc_dump {
cuc_dump_complete = 0x0000A005,
cuc_dump_reset_complete = 0x0000A007,
};
enum port {
software_reset = 0x0000,
selftest = 0x0001,
@ -715,10 +715,10 @@ static u16 e100_eeprom_read(struct nic *nic, u16 *addr_len, u16 addr)
ctrl = (cmd_addr_data & (1 << i)) ? eecs | eedi : eecs;
writeb(ctrl, &nic->csr->eeprom_ctrl_lo);
e100_write_flush(nic); udelay(4);
writeb(ctrl | eesk, &nic->csr->eeprom_ctrl_lo);
e100_write_flush(nic); udelay(4);
/* Eeprom drives a dummy zero to EEDO after receiving
* complete address. Use this to adjust addr_len. */
ctrl = readb(&nic->csr->eeprom_ctrl_lo);
@ -726,7 +726,7 @@ static u16 e100_eeprom_read(struct nic *nic, u16 *addr_len, u16 addr)
*addr_len -= (i - 16);
i = 17;
}
data = (data << 1) | (ctrl & eedo ? 1 : 0);
}
@ -1170,7 +1170,7 @@ static void e100_configure(struct nic *nic, struct cb *cb, struct sk_buff *skb)
0x00000000, 0x00000000, 0x00000000, 0x00000000, \
}
static void e100_load_ucode(struct nic *nic, struct cb *cb, struct sk_buff *skb)
static void e100_setup_ucode(struct nic *nic, struct cb *cb, struct sk_buff *skb)
{
/* *INDENT-OFF* */
static struct {
@ -1213,13 +1213,13 @@ static void e100_load_ucode(struct nic *nic, struct cb *cb, struct sk_buff *skb)
* driver can change the algorithm.
*
* INTDELAY - This loads the dead-man timer with its inital value.
* When this timer expires the interrupt is asserted, and the
* When this timer expires the interrupt is asserted, and the
* timer is reset each time a new packet is received. (see
* BUNDLEMAX below to set the limit on number of chained packets)
* The current default is 0x600 or 1536. Experiments show that
* the value should probably stay within the 0x200 - 0x1000.
*
* BUNDLEMAX -
* BUNDLEMAX -
* This sets the maximum number of frames that will be bundled. In
* some situations, such as the TCP windowing algorithm, it may be
* better to limit the growth of the bundle size than let it go as
@ -1229,7 +1229,7 @@ static void e100_load_ucode(struct nic *nic, struct cb *cb, struct sk_buff *skb)
* an interrupt for every frame received. If you do not want to put
* a limit on the bundle size, set this value to xFFFF.
*
* BUNDLESMALL -
* BUNDLESMALL -
* This contains a bit-mask describing the minimum size frame that
* will be bundled. The default masks the lower 7 bits, which means
* that any frame less than 128 bytes in length will not be bundled,
@ -1244,7 +1244,7 @@ static void e100_load_ucode(struct nic *nic, struct cb *cb, struct sk_buff *skb)
*
* The current default is 0xFF80, which masks out the lower 7 bits.
* This means that any frame which is x7F (127) bytes or smaller
* will cause an immediate interrupt. Because this value must be a
* will cause an immediate interrupt. Because this value must be a
* bit mask, there are only a few valid values that can be used. To
* turn this feature off, the driver can write the value xFFFF to the
* lower word of this instruction (in the same way that the other
@ -1253,7 +1253,7 @@ static void e100_load_ucode(struct nic *nic, struct cb *cb, struct sk_buff *skb)
* standard Ethernet frames are <= 2047 bytes in length.
*************************************************************************/
/* if you wish to disable the ucode functionality, while maintaining the
/* if you wish to disable the ucode functionality, while maintaining the
* workarounds it provides, set the following defines to:
* BUNDLESMALL 0
* BUNDLEMAX 1
@ -1284,12 +1284,46 @@ static void e100_load_ucode(struct nic *nic, struct cb *cb, struct sk_buff *skb)
for (i = 0; i < UCODE_SIZE; i++)
cb->u.ucode[i] = cpu_to_le32(ucode[i]);
cb->command = cpu_to_le16(cb_ucode);
cb->command = cpu_to_le16(cb_ucode | cb_el);
return;
}
noloaducode:
cb->command = cpu_to_le16(cb_nop);
cb->command = cpu_to_le16(cb_nop | cb_el);
}
static inline int e100_exec_cb_wait(struct nic *nic, struct sk_buff *skb,
void (*cb_prepare)(struct nic *, struct cb *, struct sk_buff *))
{
int err = 0, counter = 50;
struct cb *cb = nic->cb_to_clean;
if ((err = e100_exec_cb(nic, NULL, e100_setup_ucode)))
DPRINTK(PROBE,ERR, "ucode cmd failed with error %d\n", err);
/* must restart cuc */
nic->cuc_cmd = cuc_start;
/* wait for completion */
e100_write_flush(nic);
udelay(10);
/* wait for possibly (ouch) 500ms */
while (!(cb->status & cpu_to_le16(cb_complete))) {
msleep(10);
if (!--counter) break;
}
/* ack any interupts, something could have been set */
writeb(~0, &nic->csr->scb.stat_ack);
/* if the command failed, or is not OK, notify and return */
if (!counter || !(cb->status & cpu_to_le16(cb_ok))) {
DPRINTK(PROBE,ERR, "ucode load failed\n");
err = -EPERM;
}
return err;
}
static void e100_setup_iaaddr(struct nic *nic, struct cb *cb,
@ -1357,13 +1391,13 @@ static int e100_phy_init(struct nic *nic)
mdio_write(netdev, nic->mii.phy_id, MII_NSC_CONG, cong);
}
if((nic->mac >= mac_82550_D102) || ((nic->flags & ich) &&
if((nic->mac >= mac_82550_D102) || ((nic->flags & ich) &&
(mdio_read(netdev, nic->mii.phy_id, MII_TPISTATUS) & 0x8000))) {
/* enable/disable MDI/MDI-X auto-switching.
MDI/MDI-X auto-switching is disabled for 82551ER/QM chips */
if((nic->mac == mac_82551_E) || (nic->mac == mac_82551_F) ||
(nic->mac == mac_82551_10) || (nic->mii.force_media) ||
!(nic->eeprom[eeprom_cnfg_mdix] & eeprom_mdix_enabled))
(nic->mac == mac_82551_10) || (nic->mii.force_media) ||
!(nic->eeprom[eeprom_cnfg_mdix] & eeprom_mdix_enabled))
mdio_write(netdev, nic->mii.phy_id, MII_NCONFIG, 0);
else
mdio_write(netdev, nic->mii.phy_id, MII_NCONFIG, NCONFIG_AUTO_SWITCH);
@ -1388,7 +1422,7 @@ static int e100_hw_init(struct nic *nic)
return err;
if((err = e100_exec_cmd(nic, ruc_load_base, 0)))
return err;
if((err = e100_exec_cb(nic, NULL, e100_load_ucode)))
if ((err = e100_exec_cb_wait(nic, NULL, e100_setup_ucode)))
return err;
if((err = e100_exec_cb(nic, NULL, e100_configure)))
return err;
@ -1493,7 +1527,7 @@ static void e100_update_stats(struct nic *nic)
}
}
if(e100_exec_cmd(nic, cuc_dump_reset, 0))
DPRINTK(TX_ERR, DEBUG, "exec cuc_dump_reset failed\n");
}
@ -1542,10 +1576,10 @@ static void e100_watchdog(unsigned long data)
mii_check_link(&nic->mii);
/* Software generated interrupt to recover from (rare) Rx
* allocation failure.
* Unfortunately have to use a spinlock to not re-enable interrupts
* accidentally, due to hardware that shares a register between the
* interrupt mask bit and the SW Interrupt generation bit */
* allocation failure.
* Unfortunately have to use a spinlock to not re-enable interrupts
* accidentally, due to hardware that shares a register between the
* interrupt mask bit and the SW Interrupt generation bit */
spin_lock_irq(&nic->cmd_lock);
writeb(readb(&nic->csr->scb.cmd_hi) | irq_sw_gen,&nic->csr->scb.cmd_hi);
spin_unlock_irq(&nic->cmd_lock);
@ -1830,7 +1864,7 @@ static void e100_rx_clean(struct nic *nic, unsigned int *work_done,
struct rx *rx_to_start = NULL;
/* are we already rnr? then pay attention!!! this ensures that
* the state machine progression never allows a start with a
* the state machine progression never allows a start with a
* partially cleaned list, avoiding a race between hardware
* and rx_to_clean when in NAPI mode */
if(RU_SUSPENDED == nic->ru_running)
@ -2066,7 +2100,7 @@ static void e100_tx_timeout(struct net_device *netdev)
{
struct nic *nic = netdev_priv(netdev);
/* Reset outside of interrupt context, to avoid request_irq
/* Reset outside of interrupt context, to avoid request_irq
* in interrupt context */
schedule_work(&nic->tx_timeout_task);
}
@ -2313,7 +2347,7 @@ static int e100_set_ringparam(struct net_device *netdev,
struct param_range *rfds = &nic->params.rfds;
struct param_range *cbs = &nic->params.cbs;
if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
return -EINVAL;
if(netif_running(netdev))
@ -2631,7 +2665,9 @@ static int __devinit e100_probe(struct pci_dev *pdev,
nic->flags |= wol_magic;
/* ack any pending wake events, disable PME */
pci_enable_wake(pdev, 0, 0);
err = pci_enable_wake(pdev, 0, 0);
if (err)
DPRINTK(PROBE, ERR, "Error clearing wake event\n");
strcpy(netdev->name, "eth%d");
if((err = register_netdev(netdev))) {
@ -2682,6 +2718,7 @@ static int e100_suspend(struct pci_dev *pdev, pm_message_t state)
{
struct net_device *netdev = pci_get_drvdata(pdev);
struct nic *nic = netdev_priv(netdev);
int retval;
if(netif_running(netdev))
e100_down(nic);
@ -2689,9 +2726,14 @@ static int e100_suspend(struct pci_dev *pdev, pm_message_t state)
netif_device_detach(netdev);
pci_save_state(pdev);
pci_enable_wake(pdev, pci_choose_state(pdev, state), nic->flags & (wol_magic | e100_asf(nic)));
retval = pci_enable_wake(pdev, pci_choose_state(pdev, state),
nic->flags & (wol_magic | e100_asf(nic)));
if (retval)
DPRINTK(PROBE,ERR, "Error enabling wake\n");
pci_disable_device(pdev);
pci_set_power_state(pdev, pci_choose_state(pdev, state));
retval = pci_set_power_state(pdev, pci_choose_state(pdev, state));
if (retval)
DPRINTK(PROBE,ERR, "Error %d setting power state\n", retval);
return 0;
}
@ -2700,11 +2742,16 @@ static int e100_resume(struct pci_dev *pdev)
{
struct net_device *netdev = pci_get_drvdata(pdev);
struct nic *nic = netdev_priv(netdev);
int retval;
pci_set_power_state(pdev, PCI_D0);
retval = pci_set_power_state(pdev, PCI_D0);
if (retval)
DPRINTK(PROBE,ERR, "Error waking adapter\n");
pci_restore_state(pdev);
/* ack any pending wake events, disable PME */
pci_enable_wake(pdev, 0, 0);
retval = pci_enable_wake(pdev, 0, 0);
if (retval)
DPRINTK(PROBE,ERR, "Error clearing wake events\n");
if(e100_hw_init(nic))
DPRINTK(HW, ERR, "e100_hw_init failed\n");
@ -2721,12 +2768,15 @@ static void e100_shutdown(struct pci_dev *pdev)
{
struct net_device *netdev = pci_get_drvdata(pdev);
struct nic *nic = netdev_priv(netdev);
int retval;
#ifdef CONFIG_PM
pci_enable_wake(pdev, 0, nic->flags & (wol_magic | e100_asf(nic)));
retval = pci_enable_wake(pdev, 0, nic->flags & (wol_magic | e100_asf(nic)));
#else
pci_enable_wake(pdev, 0, nic->flags & (wol_magic));
retval = pci_enable_wake(pdev, 0, nic->flags & (wol_magic));
#endif
if (retval)
DPRINTK(PROBE,ERR, "Error enabling wake\n");
}
@ -2739,7 +2789,7 @@ static struct pci_driver e100_driver = {
.suspend = e100_suspend,
.resume = e100_resume,
#endif
.shutdown = e100_shutdown,
.shutdown = e100_shutdown,
};
static int __init e100_init_module(void)

51
drivers/net/e1000/e1000.h
View File

@ -72,10 +72,6 @@
#include <linux/mii.h>
#include <linux/ethtool.h>
#include <linux/if_vlan.h>
#ifdef CONFIG_E1000_MQ
#include <linux/cpu.h>
#include <linux/smp.h>
#endif
#define BAR_0 0
#define BAR_1 1
@ -87,6 +83,10 @@
struct e1000_adapter;
#include "e1000_hw.h"
#ifdef CONFIG_E1000_MQ
#include <linux/cpu.h>
#include <linux/smp.h>
#endif
#ifdef DBG
#define E1000_DBG(args...) printk(KERN_DEBUG "e1000: " args)
@ -169,6 +169,13 @@ struct e1000_buffer {
uint16_t next_to_watch;
};
#ifdef CONFIG_E1000_MQ
struct e1000_queue_stats {
uint64_t packets;
uint64_t bytes;
};
#endif
struct e1000_ps_page { struct page *ps_page[PS_PAGE_BUFFERS]; };
struct e1000_ps_page_dma { uint64_t ps_page_dma[PS_PAGE_BUFFERS]; };
@ -191,10 +198,12 @@ struct e1000_tx_ring {
spinlock_t tx_lock;
uint16_t tdh;
uint16_t tdt;
uint64_t pkt;
boolean_t last_tx_tso;
#ifdef CONFIG_E1000_MQ
struct e1000_queue_stats tx_stats;
#endif
};
struct e1000_rx_ring {
@ -216,9 +225,17 @@ struct e1000_rx_ring {
struct e1000_ps_page *ps_page;
struct e1000_ps_page_dma *ps_page_dma;
struct sk_buff *rx_skb_top;
struct sk_buff *rx_skb_prev;
/* cpu for rx queue */
int cpu;
uint16_t rdh;
uint16_t rdt;
uint64_t pkt;
#ifdef CONFIG_E1000_MQ
struct e1000_queue_stats rx_stats;
#endif
};
#define E1000_DESC_UNUSED(R) \
@ -251,6 +268,9 @@ struct e1000_adapter {
uint16_t link_speed;
uint16_t link_duplex;
spinlock_t stats_lock;
#ifdef CONFIG_E1000_NAPI
spinlock_t tx_queue_lock;
#endif
atomic_t irq_sem;
struct work_struct tx_timeout_task;
struct work_struct watchdog_task;
@ -264,6 +284,7 @@ struct e1000_adapter {
#ifdef CONFIG_E1000_MQ
struct e1000_tx_ring **cpu_tx_ring; /* per-cpu */
#endif
unsigned long tx_queue_len;
uint32_t txd_cmd;
uint32_t tx_int_delay;
uint32_t tx_abs_int_delay;
@ -271,9 +292,11 @@ struct e1000_adapter {
uint64_t gotcl_old;
uint64_t tpt_old;
uint64_t colc_old;
uint32_t tx_timeout_count;
uint32_t tx_fifo_head;
uint32_t tx_head_addr;
uint32_t tx_fifo_size;
uint8_t tx_timeout_factor;
atomic_t tx_fifo_stall;
boolean_t pcix_82544;
boolean_t detect_tx_hung;
@ -281,14 +304,15 @@ struct e1000_adapter {
/* RX */
#ifdef CONFIG_E1000_NAPI
boolean_t (*clean_rx) (struct e1000_adapter *adapter,
struct e1000_rx_ring *rx_ring,
int *work_done, int work_to_do);
struct e1000_rx_ring *rx_ring,
int *work_done, int work_to_do);
#else
boolean_t (*clean_rx) (struct e1000_adapter *adapter,
struct e1000_rx_ring *rx_ring);
struct e1000_rx_ring *rx_ring);
#endif
void (*alloc_rx_buf) (struct e1000_adapter *adapter,
struct e1000_rx_ring *rx_ring);
struct e1000_rx_ring *rx_ring,
int cleaned_count);
struct e1000_rx_ring *rx_ring; /* One per active queue */
#ifdef CONFIG_E1000_NAPI
struct net_device *polling_netdev; /* One per active queue */
@ -296,13 +320,15 @@ struct e1000_adapter {
#ifdef CONFIG_E1000_MQ
struct net_device **cpu_netdev; /* per-cpu */
struct call_async_data_struct rx_sched_call_data;
int cpu_for_queue[4];
cpumask_t cpumask;
#endif
int num_queues;
int num_tx_queues;
int num_rx_queues;
uint64_t hw_csum_err;
uint64_t hw_csum_good;
uint64_t rx_hdr_split;
uint32_t alloc_rx_buff_failed;
uint32_t rx_int_delay;
uint32_t rx_abs_int_delay;
boolean_t rx_csum;
@ -330,6 +356,7 @@ struct e1000_adapter {
struct e1000_rx_ring test_rx_ring;
u32 *config_space;
int msg_enable;
#ifdef CONFIG_PCI_MSI
boolean_t have_msi;

167
drivers/net/e1000/e1000_ethtool.c
View File

@ -80,6 +80,7 @@ static const struct e1000_stats e1000_gstrings_stats[] = {
{ "tx_deferred_ok", E1000_STAT(stats.dc) },
{ "tx_single_coll_ok", E1000_STAT(stats.scc) },
{ "tx_multi_coll_ok", E1000_STAT(stats.mcc) },
{ "tx_timeout_count", E1000_STAT(tx_timeout_count) },
{ "rx_long_length_errors", E1000_STAT(stats.roc) },
{ "rx_short_length_errors", E1000_STAT(stats.ruc) },
{ "rx_align_errors", E1000_STAT(stats.algnerrc) },
@ -93,9 +94,20 @@ static const struct e1000_stats e1000_gstrings_stats[] = {
{ "rx_csum_offload_good", E1000_STAT(hw_csum_good) },
{ "rx_csum_offload_errors", E1000_STAT(hw_csum_err) },
{ "rx_header_split", E1000_STAT(rx_hdr_split) },
{ "alloc_rx_buff_failed", E1000_STAT(alloc_rx_buff_failed) },
};
#define E1000_STATS_LEN \
#ifdef CONFIG_E1000_MQ
#define E1000_QUEUE_STATS_LEN \
(((struct e1000_adapter *)netdev->priv)->num_tx_queues + \
((struct e1000_adapter *)netdev->priv)->num_rx_queues) \
* (sizeof(struct e1000_queue_stats) / sizeof(uint64_t))
#else
#define E1000_QUEUE_STATS_LEN 0
#endif
#define E1000_GLOBAL_STATS_LEN \
sizeof(e1000_gstrings_stats) / sizeof(struct e1000_stats)
#define E1000_STATS_LEN (E1000_GLOBAL_STATS_LEN + E1000_QUEUE_STATS_LEN)
static const char e1000_gstrings_test[][ETH_GSTRING_LEN] = {
"Register test (offline)", "Eeprom test (offline)",
"Interrupt test (offline)", "Loopback test (offline)",
@ -183,7 +195,15 @@ e1000_set_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
struct e1000_adapter *adapter = netdev_priv(netdev);
struct e1000_hw *hw = &adapter->hw;
if(ecmd->autoneg == AUTONEG_ENABLE) {
/* When SoL/IDER sessions are active, autoneg/speed/duplex
* cannot be changed */
if (e1000_check_phy_reset_block(hw)) {
DPRINTK(DRV, ERR, "Cannot change link characteristics "
"when SoL/IDER is active.\n");
return -EINVAL;
}
if (ecmd->autoneg == AUTONEG_ENABLE) {
hw->autoneg = 1;
if(hw->media_type == e1000_media_type_fiber)
hw->autoneg_advertised = ADVERTISED_1000baseT_Full |
@ -567,21 +587,21 @@ e1000_get_drvinfo(struct net_device *netdev,
strncpy(drvinfo->driver, e1000_driver_name, 32);
strncpy(drvinfo->version, e1000_driver_version, 32);
/* EEPROM image version # is reported as firware version # for
/* EEPROM image version # is reported as firmware version # for
* 8257{1|2|3} controllers */
e1000_read_eeprom(&adapter->hw, 5, 1, &eeprom_data);
switch (adapter->hw.mac_type) {
case e1000_82571:
case e1000_82572:
case e1000_82573:
sprintf(firmware_version, "%d.%d-%d",
sprintf(firmware_version, "%d.%d-%d",
(eeprom_data & 0xF000) >> 12,
(eeprom_data & 0x0FF0) >> 4,
eeprom_data & 0x000F);
break;
default:
sprintf(firmware_version, "n/a");
sprintf(firmware_version, "N/A");
}
strncpy(drvinfo->fw_version, firmware_version, 32);
@ -623,8 +643,8 @@ e1000_set_ringparam(struct net_device *netdev,
struct e1000_rx_ring *rxdr, *rx_old, *rx_new;
int i, err, tx_ring_size, rx_ring_size;
tx_ring_size = sizeof(struct e1000_tx_ring) * adapter->num_queues;
rx_ring_size = sizeof(struct e1000_rx_ring) * adapter->num_queues;
tx_ring_size = sizeof(struct e1000_tx_ring) * adapter->num_tx_queues;
rx_ring_size = sizeof(struct e1000_rx_ring) * adapter->num_rx_queues;
if (netif_running(adapter->netdev))
e1000_down(adapter);
@ -663,10 +683,10 @@ e1000_set_ringparam(struct net_device *netdev,
E1000_MAX_TXD : E1000_MAX_82544_TXD));
E1000_ROUNDUP(txdr->count, REQ_TX_DESCRIPTOR_MULTIPLE);
for (i = 0; i < adapter->num_queues; i++) {
for (i = 0; i < adapter->num_tx_queues; i++)
txdr[i].count = txdr->count;
for (i = 0; i < adapter->num_rx_queues; i++)
rxdr[i].count = rxdr->count;
}
if(netif_running(adapter->netdev)) {
/* Try to get new resources before deleting old */
@ -979,18 +999,17 @@ e1000_free_desc_rings(struct e1000_adapter *adapter)
}
}
if(txdr->desc) {
if (txdr->desc) {
pci_free_consistent(pdev, txdr->size, txdr->desc, txdr->dma);
txdr->desc = NULL;
}
if(rxdr->desc) {
if (rxdr->desc) {
pci_free_consistent(pdev, rxdr->size, rxdr->desc, rxdr->dma);
rxdr->desc = NULL;
}
kfree(txdr->buffer_info);
txdr->buffer_info = NULL;
kfree(rxdr->buffer_info);
rxdr->buffer_info = NULL;
@ -1327,11 +1346,11 @@ e1000_set_phy_loopback(struct e1000_adapter *adapter)
static int
e1000_setup_loopback_test(struct e1000_adapter *adapter)
{
uint32_t rctl;
struct e1000_hw *hw = &adapter->hw;
uint32_t rctl;
if (hw->media_type == e1000_media_type_fiber ||
hw->media_type == e1000_media_type_internal_serdes) {
hw->media_type == e1000_media_type_internal_serdes) {
switch (hw->mac_type) {
case e1000_82545:
case e1000_82546:
@ -1362,25 +1381,25 @@ e1000_setup_loopback_test(struct e1000_adapter *adapter)
static void
e1000_loopback_cleanup(struct e1000_adapter *adapter)
{
struct e1000_hw *hw = &adapter->hw;
uint32_t rctl;
uint16_t phy_reg;
struct e1000_hw *hw = &adapter->hw;
rctl = E1000_READ_REG(&adapter->hw, RCTL);
rctl = E1000_READ_REG(hw, RCTL);
rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC);
E1000_WRITE_REG(&adapter->hw, RCTL, rctl);
E1000_WRITE_REG(hw, RCTL, rctl);
switch (hw->mac_type) {
case e1000_82571:
case e1000_82572:
if (hw->media_type == e1000_media_type_fiber ||
hw->media_type == e1000_media_type_internal_serdes){
hw->media_type == e1000_media_type_internal_serdes) {
#define E1000_SERDES_LB_OFF 0x400
E1000_WRITE_REG(hw, SCTL, E1000_SERDES_LB_OFF);
msec_delay(10);
break;
}
/* fall thru for Cu adapters */
/* Fall Through */
case e1000_82545:
case e1000_82546:
case e1000_82545_rev_3:
@ -1401,7 +1420,7 @@ static void
e1000_create_lbtest_frame(struct sk_buff *skb, unsigned int frame_size)
{
memset(skb->data, 0xFF, frame_size);
frame_size = (frame_size % 2) ? (frame_size - 1) : frame_size;
frame_size &= ~1;
memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
memset(&skb->data[frame_size / 2 + 10], 0xBE, 1);
memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
@ -1410,7 +1429,7 @@ e1000_create_lbtest_frame(struct sk_buff *skb, unsigned int frame_size)
static int
e1000_check_lbtest_frame(struct sk_buff *skb, unsigned int frame_size)
{
frame_size = (frame_size % 2) ? (frame_size - 1) : frame_size;
frame_size &= ~1;
if(*(skb->data + 3) == 0xFF) {
if((*(skb->data + frame_size / 2 + 10) == 0xBE) &&
(*(skb->data + frame_size / 2 + 12) == 0xAF)) {
@ -1488,14 +1507,25 @@ e1000_run_loopback_test(struct e1000_adapter *adapter)
static int
e1000_loopback_test(struct e1000_adapter *adapter, uint64_t *data)
{
if((*data = e1000_setup_desc_rings(adapter))) goto err_loopback;
if((*data = e1000_setup_loopback_test(adapter)))
goto err_loopback_setup;
/* PHY loopback cannot be performed if SoL/IDER
* sessions are active */
if (e1000_check_phy_reset_block(&adapter->hw)) {
DPRINTK(DRV, ERR, "Cannot do PHY loopback test "
"when SoL/IDER is active.\n");
*data = 0;
goto out;
}
if ((*data = e1000_setup_desc_rings(adapter)))
goto out;
if ((*data = e1000_setup_loopback_test(adapter)))
goto err_loopback;
*data = e1000_run_loopback_test(adapter);
e1000_loopback_cleanup(adapter);
err_loopback_setup:
e1000_free_desc_rings(adapter);
err_loopback:
e1000_free_desc_rings(adapter);
out:
return *data;
}
@ -1617,6 +1647,7 @@ e1000_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
case E1000_DEV_ID_82546EB_FIBER:
case E1000_DEV_ID_82546GB_FIBER:
case E1000_DEV_ID_82571EB_FIBER:
/* Wake events only supported on port A for dual fiber */
if(E1000_READ_REG(hw, STATUS) & E1000_STATUS_FUNC_1) {
wol->supported = 0;
@ -1660,6 +1691,7 @@ e1000_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
case E1000_DEV_ID_82546EB_FIBER:
case E1000_DEV_ID_82546GB_FIBER:
case E1000_DEV_ID_82571EB_FIBER:
/* Wake events only supported on port A for dual fiber */
if(E1000_READ_REG(hw, STATUS) & E1000_STATUS_FUNC_1)
return wol->wolopts ? -EOPNOTSUPP : 0;
@ -1721,21 +1753,21 @@ e1000_phys_id(struct net_device *netdev, uint32_t data)
mod_timer(&adapter->blink_timer, jiffies);
msleep_interruptible(data * 1000);
del_timer_sync(&adapter->blink_timer);
}
else if(adapter->hw.mac_type < e1000_82573) {
E1000_WRITE_REG(&adapter->hw, LEDCTL, (E1000_LEDCTL_LED2_BLINK_RATE |
E1000_LEDCTL_LED0_BLINK | E1000_LEDCTL_LED2_BLINK |
(E1000_LEDCTL_MODE_LED_ON << E1000_LEDCTL_LED2_MODE_SHIFT) |
(E1000_LEDCTL_MODE_LINK_ACTIVITY << E1000_LEDCTL_LED0_MODE_SHIFT) |
(E1000_LEDCTL_MODE_LED_OFF << E1000_LEDCTL_LED1_MODE_SHIFT)));
} else if (adapter->hw.mac_type < e1000_82573) {
E1000_WRITE_REG(&adapter->hw, LEDCTL,
(E1000_LEDCTL_LED2_BLINK_RATE |
E1000_LEDCTL_LED0_BLINK | E1000_LEDCTL_LED2_BLINK |
(E1000_LEDCTL_MODE_LED_ON << E1000_LEDCTL_LED2_MODE_SHIFT) |
(E1000_LEDCTL_MODE_LINK_ACTIVITY << E1000_LEDCTL_LED0_MODE_SHIFT) |
(E1000_LEDCTL_MODE_LED_OFF << E1000_LEDCTL_LED1_MODE_SHIFT)));
msleep_interruptible(data * 1000);
}
else {
E1000_WRITE_REG(&adapter->hw, LEDCTL, (E1000_LEDCTL_LED2_BLINK_RATE |
E1000_LEDCTL_LED1_BLINK | E1000_LEDCTL_LED2_BLINK |
(E1000_LEDCTL_MODE_LED_ON << E1000_LEDCTL_LED2_MODE_SHIFT) |
(E1000_LEDCTL_MODE_LINK_ACTIVITY << E1000_LEDCTL_LED1_MODE_SHIFT) |
(E1000_LEDCTL_MODE_LED_OFF << E1000_LEDCTL_LED0_MODE_SHIFT)));
} else {
E1000_WRITE_REG(&adapter->hw, LEDCTL,
(E1000_LEDCTL_LED2_BLINK_RATE |
E1000_LEDCTL_LED1_BLINK | E1000_LEDCTL_LED2_BLINK |
(E1000_LEDCTL_MODE_LED_ON << E1000_LEDCTL_LED2_MODE_SHIFT) |
(E1000_LEDCTL_MODE_LINK_ACTIVITY << E1000_LEDCTL_LED1_MODE_SHIFT) |
(E1000_LEDCTL_MODE_LED_OFF << E1000_LEDCTL_LED0_MODE_SHIFT)));
msleep_interruptible(data * 1000);
}
@ -1768,19 +1800,43 @@ e1000_get_ethtool_stats(struct net_device *netdev,
struct ethtool_stats *stats, uint64_t *data)
{
struct e1000_adapter *adapter = netdev_priv(netdev);
#ifdef CONFIG_E1000_MQ
uint64_t *queue_stat;
int stat_count = sizeof(struct e1000_queue_stats) / sizeof(uint64_t);
int j, k;
#endif
int i;
e1000_update_stats(adapter);
for(i = 0; i < E1000_STATS_LEN; i++) {
char *p = (char *)adapter+e1000_gstrings_stats[i].stat_offset;
data[i] = (e1000_gstrings_stats[i].sizeof_stat ==
for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
char *p = (char *)adapter+e1000_gstrings_stats[i].stat_offset;
data[i] = (e1000_gstrings_stats[i].sizeof_stat ==
sizeof(uint64_t)) ? *(uint64_t *)p : *(uint32_t *)p;
}
#ifdef CONFIG_E1000_MQ
for (j = 0; j < adapter->num_tx_queues; j++) {
queue_stat = (uint64_t *)&adapter->tx_ring[j].tx_stats;
for (k = 0; k < stat_count; k++)
data[i + k] = queue_stat[k];
i += k;
}
for (j = 0; j < adapter->num_rx_queues; j++) {
queue_stat = (uint64_t *)&adapter->rx_ring[j].rx_stats;
for (k = 0; k < stat_count; k++)
data[i + k] = queue_stat[k];
i += k;
}
#endif
/* BUG_ON(i != E1000_STATS_LEN); */
}
static void
e1000_get_strings(struct net_device *netdev, uint32_t stringset, uint8_t *data)
{
#ifdef CONFIG_E1000_MQ
struct e1000_adapter *adapter = netdev_priv(netdev);
#endif
uint8_t *p = data;
int i;
switch(stringset) {
@ -1789,11 +1845,26 @@ e1000_get_strings(struct net_device *netdev, uint32_t stringset, uint8_t *data)
E1000_TEST_LEN*ETH_GSTRING_LEN);
break;
case ETH_SS_STATS:
for (i=0; i < E1000_STATS_LEN; i++) {
memcpy(data + i * ETH_GSTRING_LEN,
e1000_gstrings_stats[i].stat_string,
ETH_GSTRING_LEN);
for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
memcpy(p, e1000_gstrings_stats[i].stat_string,
ETH_GSTRING_LEN);
p += ETH_GSTRING_LEN;
}
#ifdef CONFIG_E1000_MQ
for (i = 0; i < adapter->num_tx_queues; i++) {
sprintf(p, "tx_queue_%u_packets", i);
p += ETH_GSTRING_LEN;
sprintf(p, "tx_queue_%u_bytes", i);
p += ETH_GSTRING_LEN;
}
for (i = 0; i < adapter->num_rx_queues; i++) {
sprintf(p, "rx_queue_%u_packets", i);
p += ETH_GSTRING_LEN;
sprintf(p, "rx_queue_%u_bytes", i);
p += ETH_GSTRING_LEN;
}
#endif
/* BUG_ON(p - data != E1000_STATS_LEN * ETH_GSTRING_LEN); */
break;
}
}

53
drivers/net/e1000/e1000_hw.c
View File

@ -318,6 +318,8 @@ e1000_set_mac_type(struct e1000_hw *hw)
case E1000_DEV_ID_82546GB_FIBER:
case E1000_DEV_ID_82546GB_SERDES:
case E1000_DEV_ID_82546GB_PCIE:
case E1000_DEV_ID_82546GB_QUAD_COPPER:
case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
hw->mac_type = e1000_82546_rev_3;
break;
case E1000_DEV_ID_82541EI:
@ -639,6 +641,7 @@ e1000_init_hw(struct e1000_hw *hw)
uint16_t cmd_mmrbc;
uint16_t stat_mmrbc;
uint32_t mta_size;
uint32_t ctrl_ext;
DEBUGFUNC("e1000_init_hw");
@ -735,7 +738,6 @@ e1000_init_hw(struct e1000_hw *hw)
break;
case e1000_82571:
case e1000_82572:
ctrl |= (1 << 22);
case e1000_82573:
ctrl |= E1000_TXDCTL_COUNT_DESC;
break;
@ -775,6 +777,15 @@ e1000_init_hw(struct e1000_hw *hw)
*/
e1000_clear_hw_cntrs(hw);
if (hw->device_id == E1000_DEV_ID_82546GB_QUAD_COPPER ||
hw->device_id == E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3) {
ctrl_ext = E1000_READ_REG(hw, CTRL_EXT);
/* Relaxed ordering must be disabled to avoid a parity
* error crash in a PCI slot. */
ctrl_ext |= E1000_CTRL_EXT_RO_DIS;
E1000_WRITE_REG(hw, CTRL_EXT, ctrl_ext);
}
return ret_val;
}
@ -838,6 +849,11 @@ e1000_setup_link(struct e1000_hw *hw)
DEBUGFUNC("e1000_setup_link");
/* In the case of the phy reset being blocked, we already have a link.
* We do not have to set it up again. */
if (e1000_check_phy_reset_block(hw))
return E1000_SUCCESS;
/* Read and store word 0x0F of the EEPROM. This word contains bits
* that determine the hardware's default PAUSE (flow control) mode,
* a bit that determines whether the HW defaults to enabling or
@ -1929,14 +1945,19 @@ e1000_phy_force_speed_duplex(struct e1000_hw *hw)
void
e1000_config_collision_dist(struct e1000_hw *hw)
{
uint32_t tctl;
uint32_t tctl, coll_dist;
DEBUGFUNC("e1000_config_collision_dist");
if (hw->mac_type < e1000_82543)
coll_dist = E1000_COLLISION_DISTANCE_82542;
else
coll_dist = E1000_COLLISION_DISTANCE;
tctl = E1000_READ_REG(hw, TCTL);
tctl &= ~E1000_TCTL_COLD;
tctl |= E1000_COLLISION_DISTANCE << E1000_COLD_SHIFT;
tctl |= coll_dist << E1000_COLD_SHIFT;
E1000_WRITE_REG(hw, TCTL, tctl);
E1000_WRITE_FLUSH(hw);
@ -2982,6 +3003,8 @@ e1000_phy_hw_reset(struct e1000_hw *hw)
if (hw->mac_type < e1000_82571)
msec_delay(10);
else
udelay(100);
E1000_WRITE_REG(hw, CTRL, ctrl);
E1000_WRITE_FLUSH(hw);
@ -3881,14 +3904,16 @@ e1000_read_eeprom(struct e1000_hw *hw,
return -E1000_ERR_EEPROM;
}
/* FLASH reads without acquiring the semaphore are safe in 82573-based
* controllers.
*/
if ((e1000_is_onboard_nvm_eeprom(hw) == TRUE) ||
(hw->mac_type != e1000_82573)) {
/* Prepare the EEPROM for reading */
if(e1000_acquire_eeprom(hw) != E1000_SUCCESS)
return -E1000_ERR_EEPROM;
/* FLASH reads without acquiring the semaphore are safe */
if (e1000_is_onboard_nvm_eeprom(hw) == TRUE &&
hw->eeprom.use_eerd == FALSE) {
switch (hw->mac_type) {
default:
/* Prepare the EEPROM for reading */
if (e1000_acquire_eeprom(hw) != E1000_SUCCESS)
return -E1000_ERR_EEPROM;
break;
}
}
if(eeprom->use_eerd == TRUE) {
@ -6720,6 +6745,12 @@ e1000_get_phy_cfg_done(struct e1000_hw *hw)
break;
}
/* PHY configuration from NVM just starts after EECD_AUTO_RD sets to high.
* Need to wait for PHY configuration completion before accessing NVM
* and PHY. */
if (hw->mac_type == e1000_82573)
msec_delay(25);
return E1000_SUCCESS;
}

25
drivers/net/e1000/e1000_hw.h
View File

@ -439,6 +439,7 @@ int32_t e1000_check_phy_reset_block(struct e1000_hw *hw);
#define E1000_DEV_ID_82546GB_FIBER 0x107A
#define E1000_DEV_ID_82546GB_SERDES 0x107B
#define E1000_DEV_ID_82546GB_PCIE 0x108A
#define E1000_DEV_ID_82546GB_QUAD_COPPER 0x1099
#define E1000_DEV_ID_82547EI 0x1019
#define E1000_DEV_ID_82571EB_COPPER 0x105E
#define E1000_DEV_ID_82571EB_FIBER 0x105F
@ -449,6 +450,7 @@ int32_t e1000_check_phy_reset_block(struct e1000_hw *hw);
#define E1000_DEV_ID_82573E 0x108B
#define E1000_DEV_ID_82573E_IAMT 0x108C
#define E1000_DEV_ID_82573L 0x109A
#define E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3 0x10B5
#define NODE_ADDRESS_SIZE 6
@ -1497,6 +1499,7 @@ struct e1000_hw {
#define E1000_CTRL_EXT_EE_RST 0x00002000 /* Reinitialize from EEPROM */
#define E1000_CTRL_EXT_IPS 0x00004000 /* Invert Power State */
#define E1000_CTRL_EXT_SPD_BYPS 0x00008000 /* Speed Select Bypass */
#define E1000_CTRL_EXT_RO_DIS 0x00020000 /* Relaxed Ordering disable */
#define E1000_CTRL_EXT_LINK_MODE_MASK 0x00C00000
#define E1000_CTRL_EXT_LINK_MODE_GMII 0x00000000
#define E1000_CTRL_EXT_LINK_MODE_TBI 0x00C00000
@ -1954,6 +1957,23 @@ struct e1000_host_command_info {
#define E1000_MDALIGN 4096
/* PCI-Ex registers */
/* PCI-Ex Control Register */
#define E1000_GCR_RXD_NO_SNOOP 0x00000001
#define E1000_GCR_RXDSCW_NO_SNOOP 0x00000002
#define E1000_GCR_RXDSCR_NO_SNOOP 0x00000004
#define E1000_GCR_TXD_NO_SNOOP 0x00000008
#define E1000_GCR_TXDSCW_NO_SNOOP 0x00000010
#define E1000_GCR_TXDSCR_NO_SNOOP 0x00000020
#define PCI_EX_NO_SNOOP_ALL (E1000_GCR_RXD_NO_SNOOP | \
E1000_GCR_RXDSCW_NO_SNOOP | \
E1000_GCR_RXDSCR_NO_SNOOP | \
E1000_GCR TXD_NO_SNOOP | \
E1000_GCR_TXDSCW_NO_SNOOP | \
E1000_GCR_TXDSCR_NO_SNOOP)
#define E1000_GCR_L1_ACT_WITHOUT_L0S_RX 0x08000000
/* Function Active and Power State to MNG */
#define E1000_FACTPS_FUNC0_POWER_STATE_MASK 0x00000003
@ -2077,7 +2097,10 @@ struct e1000_host_command_info {
/* Collision related configuration parameters */
#define E1000_COLLISION_THRESHOLD 15
#define E1000_CT_SHIFT 4
#define E1000_COLLISION_DISTANCE 64
/* Collision distance is a 0-based value that applies to
* half-duplex-capable hardware only. */
#define E1000_COLLISION_DISTANCE 63
#define E1000_COLLISION_DISTANCE_82542 64
#define E1000_FDX_COLLISION_DISTANCE E1000_COLLISION_DISTANCE
#define E1000_HDX_COLLISION_DISTANCE E1000_COLLISION_DISTANCE
#define E1000_COLD_SHIFT 12

814
drivers/net/e1000/e1000_main.c
View File

File diff suppressed because it is too large Load Diff

14
drivers/net/e1000/e1000_param.c
View File

@ -177,7 +177,7 @@ E1000_PARAM(RxAbsIntDelay, "Receive Absolute Interrupt Delay");
*
* Valid Range: 100-100000 (0=off, 1=dynamic)
*
* Default Value: 1
* Default Value: 8000
*/
E1000_PARAM(InterruptThrottleRate, "Interrupt Throttling Rate");
@ -320,7 +320,7 @@ e1000_check_options(struct e1000_adapter *adapter)
} else {
tx_ring->count = opt.def;
}
for (i = 0; i < adapter->num_queues; i++)
for (i = 0; i < adapter->num_tx_queues; i++)
tx_ring[i].count = tx_ring->count;
}
{ /* Receive Descriptor Count */
@ -346,7 +346,7 @@ e1000_check_options(struct e1000_adapter *adapter)
} else {
rx_ring->count = opt.def;
}
for (i = 0; i < adapter->num_queues; i++)
for (i = 0; i < adapter->num_rx_queues; i++)
rx_ring[i].count = rx_ring->count;
}
{ /* Checksum Offload Enable/Disable */
@ -388,7 +388,7 @@ e1000_check_options(struct e1000_adapter *adapter)
e1000_validate_option(&fc, &opt, adapter);
adapter->hw.fc = adapter->hw.original_fc = fc;
} else {
adapter->hw.fc = opt.def;
adapter->hw.fc = adapter->hw.original_fc = opt.def;
}
}
{ /* Transmit Interrupt Delay */
@ -584,6 +584,12 @@ e1000_check_copper_options(struct e1000_adapter *adapter)
.p = dplx_list }}
};
if (e1000_check_phy_reset_block(&adapter->hw)) {
DPRINTK(PROBE, INFO,
"Link active due to SoL/IDER Session. "
"Speed/Duplex/AutoNeg parameter ignored.\n");
return;
}
if (num_Duplex > bd) {
dplx = Duplex[bd];
e1000_validate_option(&dplx, &opt, adapter);

684
drivers/net/mv643xx_eth.c
View File

File diff suppressed because it is too large Load Diff

20
drivers/net/skge.c
View File

@ -3243,12 +3243,22 @@ static int __devinit skge_probe(struct pci_dev *pdev,
pci_set_master(pdev);
if (!(err = pci_set_dma_mask(pdev, DMA_64BIT_MASK)))
if (sizeof(dma_addr_t) > sizeof(u32) &&
!(err = pci_set_dma_mask(pdev, DMA_64BIT_MASK))) {
using_dac = 1;
else if (!(err = pci_set_dma_mask(pdev, DMA_32BIT_MASK))) {
printk(KERN_ERR PFX "%s no usable DMA configuration\n",
pci_name(pdev));
goto err_out_free_regions;
err = pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK);
if (err < 0) {
printk(KERN_ERR PFX "%s unable to obtain 64 bit DMA "
"for consistent allocations\n", pci_name(pdev));
goto err_out_free_regions;
}
} else {
err = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
if (err) {
printk(KERN_ERR PFX "%s no usable DMA configuration\n",
pci_name(pdev));
goto err_out_free_regions;
}
}
#ifdef __BIG_ENDIAN

219
drivers/net/sky2.c
View File

@ -57,7 +57,7 @@
#include "sky2.h"
#define DRV_NAME "sky2"
#define DRV_VERSION "0.11"
#define DRV_VERSION "0.13"
#define PFX DRV_NAME " "
/*
@ -75,6 +75,7 @@
#define RX_LE_BYTES (RX_LE_SIZE*sizeof(struct sky2_rx_le))
#define RX_MAX_PENDING (RX_LE_SIZE/2 - 2)
#define RX_DEF_PENDING RX_MAX_PENDING
#define RX_SKB_ALIGN 8
#define TX_RING_SIZE 512
#define TX_DEF_PENDING (TX_RING_SIZE - 1)
@ -91,7 +92,7 @@
static const u32 default_msg =
NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_LINK
| NETIF_MSG_TIMER | NETIF_MSG_TX_ERR | NETIF_MSG_RX_ERR
| NETIF_MSG_IFUP | NETIF_MSG_IFDOWN | NETIF_MSG_INTR;
| NETIF_MSG_IFUP | NETIF_MSG_IFDOWN;
static int debug = -1; /* defaults above */
module_param(debug, int, 0);
@ -624,13 +625,16 @@ static void sky2_mac_init(struct sky2_hw *hw, unsigned port)
}
static void sky2_ramset(struct sky2_hw *hw, u16 q, u32 start, size_t len)
/* Assign Ram Buffer allocation.
* start and end are in units of 4k bytes
* ram registers are in units of 64bit words
*/
static void sky2_ramset(struct sky2_hw *hw, u16 q, u8 startk, u8 endk)
{
u32 end;
u32 start, end;
start /= 8;
len /= 8;
end = start + len - 1;
start = startk * 4096/8;
end = (endk * 4096/8) - 1;
sky2_write8(hw, RB_ADDR(q, RB_CTRL), RB_RST_CLR);
sky2_write32(hw, RB_ADDR(q, RB_START), start);
@ -639,14 +643,19 @@ static void sky2_ramset(struct sky2_hw *hw, u16 q, u32 start, size_t len)
sky2_write32(hw, RB_ADDR(q, RB_RP), start);
if (q == Q_R1 || q == Q_R2) {
u32 rxup, rxlo;
u32 space = (endk - startk) * 4096/8;
u32 tp = space - space/4;
rxlo = len/2;
rxup = rxlo + len/4;
/* On receive queue's set the thresholds
* give receiver priority when > 3/4 full
* send pause when down to 2K
*/
sky2_write32(hw, RB_ADDR(q, RB_RX_UTHP), tp);
sky2_write32(hw, RB_ADDR(q, RB_RX_LTHP), space/2);
/* Set thresholds on receive queue's */
sky2_write32(hw, RB_ADDR(q, RB_RX_UTPP), rxup);
sky2_write32(hw, RB_ADDR(q, RB_RX_LTPP), rxlo);
tp = space - 2048/8;
sky2_write32(hw, RB_ADDR(q, RB_RX_UTPP), tp);
sky2_write32(hw, RB_ADDR(q, RB_RX_LTPP), space/4);
} else {
/* Enable store & forward on Tx queue's because
* Tx FIFO is only 1K on Yukon
@ -695,9 +704,10 @@ static inline struct sky2_tx_le *get_tx_le(struct sky2_port *sky2)
* This is a workaround code taken from SysKonnect sk98lin driver
* to deal with chip bug on Yukon EC rev 0 in the wraparound case.
*/
static inline void sky2_put_idx(struct sky2_hw *hw, unsigned q,
static void sky2_put_idx(struct sky2_hw *hw, unsigned q,
u16 idx, u16 *last, u16 size)
{
wmb();
if (is_ec_a1(hw) && idx < *last) {
u16 hwget = sky2_read16(hw, Y2_QADDR(q, PREF_UNIT_GET_IDX));
@ -721,6 +731,7 @@ setnew:
sky2_write16(hw, Y2_QADDR(q, PREF_UNIT_PUT_IDX), idx);
}
*last = idx;
mmiowb();
}
@ -734,11 +745,11 @@ static inline struct sky2_rx_le *sky2_next_rx(struct sky2_port *sky2)
/* Return high part of DMA address (could be 32 or 64 bit) */
static inline u32 high32(dma_addr_t a)
{
return (a >> 16) >> 16;
return sizeof(a) > sizeof(u32) ? (a >> 16) >> 16 : 0;
}
/* Build description to hardware about buffer */
static inline void sky2_rx_add(struct sky2_port *sky2, dma_addr_t map)
static void sky2_rx_add(struct sky2_port *sky2, dma_addr_t map)
{
struct sky2_rx_le *le;
u32 hi = high32(map);
@ -878,13 +889,13 @@ static void sky2_vlan_rx_register(struct net_device *dev, struct vlan_group *grp
struct sky2_hw *hw = sky2->hw;
u16 port = sky2->port;
spin_lock(&sky2->tx_lock);
spin_lock_bh(&sky2->tx_lock);
sky2_write32(hw, SK_REG(port, RX_GMF_CTRL_T), RX_VLAN_STRIP_ON);
sky2_write32(hw, SK_REG(port, TX_GMF_CTRL_T), TX_VLAN_TAG_ON);
sky2->vlgrp = grp;
spin_unlock(&sky2->tx_lock);
spin_unlock_bh(&sky2->tx_lock);
}
static void sky2_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid)
@ -893,27 +904,42 @@ static void sky2_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid)
struct sky2_hw *hw = sky2->hw;
u16 port = sky2->port;
spin_lock(&sky2->tx_lock);
spin_lock_bh(&sky2->tx_lock);
sky2_write32(hw, SK_REG(port, RX_GMF_CTRL_T), RX_VLAN_STRIP_OFF);
sky2_write32(hw, SK_REG(port, TX_GMF_CTRL_T), TX_VLAN_TAG_OFF);
if (sky2->vlgrp)
sky2->vlgrp->vlan_devices[vid] = NULL;
spin_unlock(&sky2->tx_lock);
spin_unlock_bh(&sky2->tx_lock);
}
#endif
/*
* It appears the hardware has a bug in the FIFO logic that
* cause it to hang if the FIFO gets overrun and the receive buffer
* is not aligned. ALso alloc_skb() won't align properly if slab
* debugging is enabled.
*/
static inline struct sk_buff *sky2_alloc_skb(unsigned int size, gfp_t gfp_mask)
{
struct sk_buff *skb;
skb = alloc_skb(size + RX_SKB_ALIGN, gfp_mask);
if (likely(skb)) {
unsigned long p = (unsigned long) skb->data;
skb_reserve(skb,
((p + RX_SKB_ALIGN - 1) & ~(RX_SKB_ALIGN - 1)) - p);
}
return skb;
}
/*
* Allocate and setup receiver buffer pool.
* In case of 64 bit dma, there are 2X as many list elements
* available as ring entries
* and need to reserve one list element so we don't wrap around.
*
* It appears the hardware has a bug in the FIFO logic that
* cause it to hang if the FIFO gets overrun and the receive buffer
* is not aligned. This means we can't use skb_reserve to align
* the IP header.
*/
static int sky2_rx_start(struct sky2_port *sky2)
{
@ -929,7 +955,7 @@ static int sky2_rx_start(struct sky2_port *sky2)
for (i = 0; i < sky2->rx_pending; i++) {
struct ring_info *re = sky2->rx_ring + i;
re->skb = dev_alloc_skb(sky2->rx_bufsize);
re->skb = sky2_alloc_skb(sky2->rx_bufsize, GFP_KERNEL);
if (!re->skb)
goto nomem;
@ -986,19 +1012,19 @@ static int sky2_up(struct net_device *dev)
sky2_mac_init(hw, port);
/* Configure RAM buffers */
if (hw->chip_id == CHIP_ID_YUKON_FE ||
(hw->chip_id == CHIP_ID_YUKON_EC && hw->chip_rev == 2))
ramsize = 4096;
else {
u8 e0 = sky2_read8(hw, B2_E_0);
ramsize = (e0 == 0) ? (128 * 1024) : (e0 * 4096);
}
/* Determine available ram buffer space (in 4K blocks).
* Note: not sure about the FE setting below yet
*/
if (hw->chip_id == CHIP_ID_YUKON_FE)
ramsize = 4;
else
ramsize = sky2_read8(hw, B2_E_0);
/* Give transmitter one third (rounded up) */
rxspace = ramsize - (ramsize + 2) / 3;
/* 2/3 for Rx */
rxspace = (2 * ramsize) / 3;
sky2_ramset(hw, rxqaddr[port], 0, rxspace);
sky2_ramset(hw, txqaddr[port], rxspace, ramsize - rxspace);
sky2_ramset(hw, txqaddr[port], rxspace, ramsize);
/* Make sure SyncQ is disabled */
sky2_write8(hw, RB_ADDR(port == 0 ? Q_XS1 : Q_XS2, RB_CTRL),
@ -1054,7 +1080,7 @@ static inline int tx_avail(const struct sky2_port *sky2)
}
/* Estimate of number of transmit list elements required */
static inline unsigned tx_le_req(const struct sk_buff *skb)
static unsigned tx_le_req(const struct sk_buff *skb)
{
unsigned count;
@ -1090,6 +1116,10 @@ static int sky2_xmit_frame(struct sk_buff *skb, struct net_device *dev)
u16 mss;
u8 ctrl;
/* No BH disabling for tx_lock here. We are running in BH disabled
* context and TX reclaim runs via poll inside of a software
* interrupt, and no related locks in IRQ processing.
*/
if (!spin_trylock(&sky2->tx_lock))
return NETDEV_TX_LOCKED;
@ -1099,8 +1129,9 @@ static int sky2_xmit_frame(struct sk_buff *skb, struct net_device *dev)
*/
if (!netif_queue_stopped(dev)) {
netif_stop_queue(dev);
printk(KERN_WARNING PFX "%s: ring full when queue awake!\n",
dev->name);
if (net_ratelimit())
printk(KERN_WARNING PFX "%s: ring full when queue awake!\n",
dev->name);
}
spin_unlock(&sky2->tx_lock);
@ -1199,7 +1230,7 @@ static int sky2_xmit_frame(struct sk_buff *skb, struct net_device *dev)
mapping = pci_map_page(hw->pdev, frag->page, frag->page_offset,
frag->size, PCI_DMA_TODEVICE);
addr64 = (mapping >> 16) >> 16;
addr64 = high32(mapping);
if (addr64 != sky2->tx_addr64) {
le = get_tx_le(sky2);
le->tx.addr = cpu_to_le32(addr64);
@ -1229,7 +1260,6 @@ static int sky2_xmit_frame(struct sk_buff *skb, struct net_device *dev)
netif_stop_queue(dev);
out_unlock:
mmiowb();
spin_unlock(&sky2->tx_lock);
dev->trans_start = jiffies;
@ -1282,17 +1312,17 @@ static void sky2_tx_complete(struct sky2_port *sky2, u16 done)
dev_kfree_skb_any(skb);
}
spin_lock(&sky2->tx_lock);
sky2->tx_cons = put;
if (netif_queue_stopped(dev) && tx_avail(sky2) > MAX_SKB_TX_LE)
netif_wake_queue(dev);
spin_unlock(&sky2->tx_lock);
}
/* Cleanup all untransmitted buffers, assume transmitter not running */
static void sky2_tx_clean(struct sky2_port *sky2)
{
spin_lock_bh(&sky2->tx_lock);
sky2_tx_complete(sky2, sky2->tx_prod);
spin_unlock_bh(&sky2->tx_lock);
}
/* Network shutdown */
@ -1582,28 +1612,40 @@ out:
local_irq_enable();
}
/* Transmit timeout is only called if we are running, carries is up
* and tx queue is full (stopped).
*/
static void sky2_tx_timeout(struct net_device *dev)
{
struct sky2_port *sky2 = netdev_priv(dev);
struct sky2_hw *hw = sky2->hw;
unsigned txq = txqaddr[sky2->port];
u16 ridx;
/* Maybe we just missed an status interrupt */
spin_lock(&sky2->tx_lock);
ridx = sky2_read16(hw,
sky2->port == 0 ? STAT_TXA1_RIDX : STAT_TXA2_RIDX);
sky2_tx_complete(sky2, ridx);
spin_unlock(&sky2->tx_lock);
if (!netif_queue_stopped(dev)) {
if (net_ratelimit())
pr_info(PFX "transmit interrupt missed? recovered\n");
return;
}
if (netif_msg_timer(sky2))
printk(KERN_ERR PFX "%s: tx timeout\n", dev->name);
netif_stop_queue(dev);
sky2_write32(hw, Q_ADDR(txq, Q_CSR), BMU_STOP);
sky2_read32(hw, Q_ADDR(txq, Q_CSR));
sky2_write32(hw, Y2_QADDR(txq, PREF_UNIT_CTRL), PREF_UNIT_RST_SET);
sky2_tx_clean(sky2);
sky2_qset(hw, txq);
sky2_prefetch_init(hw, txq, sky2->tx_le_map, TX_RING_SIZE - 1);
netif_wake_queue(dev);
}
@ -1713,7 +1755,7 @@ static struct sk_buff *sky2_receive(struct sky2_port *sky2,
} else {
struct sk_buff *nskb;
nskb = dev_alloc_skb(sky2->rx_bufsize);
nskb = sky2_alloc_skb(sky2->rx_bufsize, GFP_ATOMIC);
if (!nskb)
goto resubmit;
@ -1745,7 +1787,7 @@ oversize:
error:
++sky2->net_stats.rx_errors;
if (netif_msg_rx_err(sky2))
if (netif_msg_rx_err(sky2) && net_ratelimit())
printk(KERN_INFO PFX "%s: rx error, status 0x%x length %d\n",
sky2->netdev->name, status, length);
@ -1766,13 +1808,16 @@ error:
*/
#define TX_NO_STATUS 0xffff
static inline void sky2_tx_check(struct sky2_hw *hw, int port, u16 last)
static void sky2_tx_check(struct sky2_hw *hw, int port, u16 last)
{
if (last != TX_NO_STATUS) {
struct net_device *dev = hw->dev[port];
if (dev && netif_running(dev)) {
struct sky2_port *sky2 = netdev_priv(dev);
spin_lock(&sky2->tx_lock);
sky2_tx_complete(sky2, last);
spin_unlock(&sky2->tx_lock);
}
}
}
@ -1800,7 +1845,6 @@ static int sky2_poll(struct net_device *dev0, int *budget)
struct sk_buff *skb;
u32 status;
u16 length;
u8 op;
le = hw->st_le + hw->st_idx;
hw->st_idx = (hw->st_idx + 1) % STATUS_RING_SIZE;
@ -1814,10 +1858,8 @@ static int sky2_poll(struct net_device *dev0, int *budget)
sky2 = netdev_priv(dev);
status = le32_to_cpu(le->status);
length = le16_to_cpu(le->length);
op = le->opcode & ~HW_OWNER;
le->opcode = 0;
switch (op) {
switch (le->opcode & ~HW_OWNER) {
case OP_RXSTAT:
skb = sky2_receive(sky2, length, status);
if (!skb)
@ -1865,14 +1907,13 @@ static int sky2_poll(struct net_device *dev0, int *budget)
default:
if (net_ratelimit())
printk(KERN_WARNING PFX
"unknown status opcode 0x%x\n", op);
"unknown status opcode 0x%x\n", le->opcode);
break;
}
}
exit_loop:
sky2_write32(hw, STAT_CTRL, SC_STAT_CLR_IRQ);
mmiowb();
sky2_tx_check(hw, 0, tx_done[0]);
sky2_tx_check(hw, 1, tx_done[1]);
@ -1887,7 +1928,6 @@ exit_loop:
netif_rx_complete(dev0);
hw->intr_mask |= Y2_IS_STAT_BMU;
sky2_write32(hw, B0_IMSK, hw->intr_mask);
mmiowb();
return 0;
} else {
*budget -= work_done;
@ -1900,35 +1940,42 @@ static void sky2_hw_error(struct sky2_hw *hw, unsigned port, u32 status)
{
struct net_device *dev = hw->dev[port];
printk(KERN_INFO PFX "%s: hw error interrupt status 0x%x\n",
dev->name, status);
if (net_ratelimit())
printk(KERN_INFO PFX "%s: hw error interrupt status 0x%x\n",
dev->name, status);
if (status & Y2_IS_PAR_RD1) {
printk(KERN_ERR PFX "%s: ram data read parity error\n",
dev->name);
if (net_ratelimit())
printk(KERN_ERR PFX "%s: ram data read parity error\n",
dev->name);
/* Clear IRQ */
sky2_write16(hw, RAM_BUFFER(port, B3_RI_CTRL), RI_CLR_RD_PERR);
}
if (status & Y2_IS_PAR_WR1) {
printk(KERN_ERR PFX "%s: ram data write parity error\n",
dev->name);
if (net_ratelimit())
printk(KERN_ERR PFX "%s: ram data write parity error\n",
dev->name);
sky2_write16(hw, RAM_BUFFER(port, B3_RI_CTRL), RI_CLR_WR_PERR);
}
if (status & Y2_IS_PAR_MAC1) {
printk(KERN_ERR PFX "%s: MAC parity error\n", dev->name);
if (net_ratelimit())
printk(KERN_ERR PFX "%s: MAC parity error\n", dev->name);
sky2_write8(hw, SK_REG(port, TX_GMF_CTRL_T), GMF_CLI_TX_PE);
}
if (status & Y2_IS_PAR_RX1) {
printk(KERN_ERR PFX "%s: RX parity error\n", dev->name);
if (net_ratelimit())
printk(KERN_ERR PFX "%s: RX parity error\n", dev->name);
sky2_write32(hw, Q_ADDR(rxqaddr[port], Q_CSR), BMU_CLR_IRQ_PAR);
}
if (status & Y2_IS_TCP_TXA1) {
printk(KERN_ERR PFX "%s: TCP segmentation error\n", dev->name);
if (net_ratelimit())
printk(KERN_ERR PFX "%s: TCP segmentation error\n",
dev->name);
sky2_write32(hw, Q_ADDR(txqaddr[port], Q_CSR), BMU_CLR_IRQ_TCP);
}
}
@ -1944,8 +1991,9 @@ static void sky2_hw_intr(struct sky2_hw *hw)
u16 pci_err;
pci_read_config_word(hw->pdev, PCI_STATUS, &pci_err);
printk(KERN_ERR PFX "%s: pci hw error (0x%x)\n",
pci_name(hw->pdev), pci_err);
if (net_ratelimit())
printk(KERN_ERR PFX "%s: pci hw error (0x%x)\n",
pci_name(hw->pdev), pci_err);
sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_ON);
pci_write_config_word(hw->pdev, PCI_STATUS,
@ -1959,8 +2007,9 @@ static void sky2_hw_intr(struct sky2_hw *hw)
pci_read_config_dword(hw->pdev, PEX_UNC_ERR_STAT, &pex_err);
printk(KERN_ERR PFX "%s: pci express error (0x%x)\n",
pci_name(hw->pdev), pex_err);
if (net_ratelimit())
printk(KERN_ERR PFX "%s: pci express error (0x%x)\n",
pci_name(hw->pdev), pex_err);
/* clear the interrupt */
sky2_write32(hw, B2_TST_CTRL1, TST_CFG_WRITE_ON);
@ -2250,7 +2299,7 @@ static int sky2_reset(struct sky2_hw *hw)
return 0;
}
static inline u32 sky2_supported_modes(const struct sky2_hw *hw)
static u32 sky2_supported_modes(const struct sky2_hw *hw)
{
u32 modes;
if (hw->copper) {
@ -2995,7 +3044,7 @@ static __devinit struct net_device *sky2_init_netdev(struct sky2_hw *hw,
return dev;
}
static inline void sky2_show_addr(struct net_device *dev)
static void __devinit sky2_show_addr(struct net_device *dev)
{
const struct sky2_port *sky2 = netdev_priv(dev);
@ -3038,13 +3087,17 @@ static int __devinit sky2_probe(struct pci_dev *pdev,
goto err_out_free_regions;
}
if (sizeof(dma_addr_t) > sizeof(u32)) {
err = pci_set_dma_mask(pdev, DMA_64BIT_MASK);
if (!err)
using_dac = 1;
}
if (sizeof(dma_addr_t) > sizeof(u32) &&
!(err = pci_set_dma_mask(pdev, DMA_64BIT_MASK))) {
using_dac = 1;
err = pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK);
if (err < 0) {
printk(KERN_ERR PFX "%s unable to obtain 64 bit DMA "
"for consistent allocations\n", pci_name(pdev));
goto err_out_free_regions;
}
if (!using_dac) {
} else {
err = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
if (err) {
printk(KERN_ERR PFX "%s no usable DMA configuration\n",
@ -3052,6 +3105,7 @@ static int __devinit sky2_probe(struct pci_dev *pdev,
goto err_out_free_regions;
}
}
#ifdef __BIG_ENDIAN
/* byte swap descriptors in hardware */
{
@ -3064,14 +3118,13 @@ static int __devinit sky2_probe(struct pci_dev *pdev,
#endif
err = -ENOMEM;
hw = kmalloc(sizeof(*hw), GFP_KERNEL);
hw = kzalloc(sizeof(*hw), GFP_KERNEL);
if (!hw) {
printk(KERN_ERR PFX "%s: cannot allocate hardware struct\n",
pci_name(pdev));
goto err_out_free_regions;
}
memset(hw, 0, sizeof(*hw));
hw->pdev = pdev;
hw->regs = ioremap_nocache(pci_resource_start(pdev, 0), 0x4000);

526
drivers/net/spider_net.c
View File

@ -22,7 +22,6 @@
*/
#include <linux/config.h>
#include <linux/compiler.h>
#include <linux/crc32.h>
#include <linux/delay.h>
@ -30,6 +29,7 @@
#include <linux/ethtool.h>
#include <linux/firmware.h>
#include <linux/if_vlan.h>
#include <linux/in.h>
#include <linux/init.h>
#include <linux/ioport.h>
#include <linux/ip.h>
@ -43,6 +43,7 @@
#include <linux/slab.h>
#include <linux/tcp.h>
#include <linux/types.h>
#include <linux/vmalloc.h>
#include <linux/wait.h>
#include <linux/workqueue.h>
#include <asm/bitops.h>
@ -108,42 +109,6 @@ spider_net_write_reg(struct spider_net_card *card, u32 reg, u32 value)
writel(value, card->regs + reg);
}
/**
* spider_net_write_reg_sync - writes to an SMMIO register of a card
* @card: device structure
* @reg: register to write to
* @value: value to write into the specified SMMIO register
*
* Unlike spider_net_write_reg, this will also make sure the
* data arrives on the card by reading the reg again.
*/
static void
spider_net_write_reg_sync(struct spider_net_card *card, u32 reg, u32 value)
{
value = cpu_to_le32(value);
writel(value, card->regs + reg);
(void)readl(card->regs + reg);
}
/**
* spider_net_rx_irq_off - switch off rx irq on this spider card
* @card: device structure
*
* switches off rx irq by masking them out in the GHIINTnMSK register
*/
static void
spider_net_rx_irq_off(struct spider_net_card *card)
{
u32 regvalue;
unsigned long flags;
spin_lock_irqsave(&card->intmask_lock, flags);
regvalue = spider_net_read_reg(card, SPIDER_NET_GHIINT0MSK);
regvalue &= ~SPIDER_NET_RXINT;
spider_net_write_reg_sync(card, SPIDER_NET_GHIINT0MSK, regvalue);
spin_unlock_irqrestore(&card->intmask_lock, flags);
}
/** spider_net_write_phy - write to phy register
* @netdev: adapter to be written to
* @mii_id: id of MII
@ -198,6 +163,21 @@ spider_net_read_phy(struct net_device *netdev, int mii_id, int reg)
return readvalue;
}
/**
* spider_net_rx_irq_off - switch off rx irq on this spider card
* @card: device structure
*
* switches off rx irq by masking them out in the GHIINTnMSK register
*/
static void
spider_net_rx_irq_off(struct spider_net_card *card)
{
u32 regvalue;
regvalue = SPIDER_NET_INT0_MASK_VALUE & (~SPIDER_NET_RXINT);
spider_net_write_reg(card, SPIDER_NET_GHIINT0MSK, regvalue);
}
/**
* spider_net_rx_irq_on - switch on rx irq on this spider card
* @card: device structure
@ -208,51 +188,9 @@ static void
spider_net_rx_irq_on(struct spider_net_card *card)
{
u32 regvalue;
unsigned long flags;
spin_lock_irqsave(&card->intmask_lock, flags);
regvalue = spider_net_read_reg(card, SPIDER_NET_GHIINT0MSK);
regvalue |= SPIDER_NET_RXINT;
spider_net_write_reg_sync(card, SPIDER_NET_GHIINT0MSK, regvalue);
spin_unlock_irqrestore(&card->intmask_lock, flags);
}
/**
* spider_net_tx_irq_off - switch off tx irq on this spider card
* @card: device structure
*
* switches off tx irq by masking them out in the GHIINTnMSK register
*/
static void
spider_net_tx_irq_off(struct spider_net_card *card)
{
u32 regvalue;
unsigned long flags;
spin_lock_irqsave(&card->intmask_lock, flags);
regvalue = spider_net_read_reg(card, SPIDER_NET_GHIINT0MSK);
regvalue &= ~SPIDER_NET_TXINT;
spider_net_write_reg_sync(card, SPIDER_NET_GHIINT0MSK, regvalue);
spin_unlock_irqrestore(&card->intmask_lock, flags);
}
/**
* spider_net_tx_irq_on - switch on tx irq on this spider card
* @card: device structure
*
* switches on tx irq by enabling them in the GHIINTnMSK register
*/
static void
spider_net_tx_irq_on(struct spider_net_card *card)
{
u32 regvalue;
unsigned long flags;
spin_lock_irqsave(&card->intmask_lock, flags);
regvalue = spider_net_read_reg(card, SPIDER_NET_GHIINT0MSK);
regvalue |= SPIDER_NET_TXINT;
spider_net_write_reg_sync(card, SPIDER_NET_GHIINT0MSK, regvalue);
spin_unlock_irqrestore(&card->intmask_lock, flags);
regvalue = SPIDER_NET_INT0_MASK_VALUE | SPIDER_NET_RXINT;
spider_net_write_reg(card, SPIDER_NET_GHIINT0MSK, regvalue);
}
/**
@ -326,9 +264,8 @@ static enum spider_net_descr_status
spider_net_get_descr_status(struct spider_net_descr *descr)
{
u32 cmd_status;
rmb();
cmd_status = descr->dmac_cmd_status;
rmb();
cmd_status >>= SPIDER_NET_DESCR_IND_PROC_SHIFT;
/* no need to mask out any bits, as cmd_status is 32 bits wide only
* (and unsigned) */
@ -349,7 +286,6 @@ spider_net_set_descr_status(struct spider_net_descr *descr,
{
u32 cmd_status;
/* read the status */
mb();
cmd_status = descr->dmac_cmd_status;
/* clean the upper 4 bits */
cmd_status &= SPIDER_NET_DESCR_IND_PROC_MASKO;
@ -357,7 +293,6 @@ spider_net_set_descr_status(struct spider_net_descr *descr,
cmd_status |= ((u32)status)<<SPIDER_NET_DESCR_IND_PROC_SHIFT;
/* and write it back */
descr->dmac_cmd_status = cmd_status;
wmb();
}
/**
@ -398,8 +333,9 @@ spider_net_init_chain(struct spider_net_card *card,
{
int i;
struct spider_net_descr *descr;
dma_addr_t buf;
spin_lock_init(&card->chain_lock);
atomic_set(&card->rx_chain_refill,0);
descr = start_descr;
memset(descr, 0, sizeof(*descr) * no);
@ -408,14 +344,14 @@ spider_net_init_chain(struct spider_net_card *card,
for (i=0; i<no; i++, descr++) {
spider_net_set_descr_status(descr, SPIDER_NET_DESCR_NOT_IN_USE);
descr->bus_addr =
pci_map_single(card->pdev, descr,
SPIDER_NET_DESCR_SIZE,
PCI_DMA_BIDIRECTIONAL);
buf = pci_map_single(card->pdev, descr,
SPIDER_NET_DESCR_SIZE,
PCI_DMA_BIDIRECTIONAL);
if (descr->bus_addr == DMA_ERROR_CODE)
if (buf == DMA_ERROR_CODE)
goto iommu_error;
descr->bus_addr = buf;
descr->next = descr + 1;
descr->prev = descr - 1;
@ -439,7 +375,8 @@ iommu_error:
for (i=0; i < no; i++, descr++)
if (descr->bus_addr)
pci_unmap_single(card->pdev, descr->bus_addr,
SPIDER_NET_DESCR_SIZE, PCI_DMA_BIDIRECTIONAL);
SPIDER_NET_DESCR_SIZE,
PCI_DMA_BIDIRECTIONAL);
return -ENOMEM;
}
@ -459,7 +396,7 @@ spider_net_free_rx_chain_contents(struct spider_net_card *card)
if (descr->skb) {
dev_kfree_skb(descr->skb);
pci_unmap_single(card->pdev, descr->buf_addr,
SPIDER_NET_MAX_MTU,
SPIDER_NET_MAX_FRAME,
PCI_DMA_BIDIRECTIONAL);
}
descr = descr->next;
@ -480,12 +417,13 @@ static int
spider_net_prepare_rx_descr(struct spider_net_card *card,
struct spider_net_descr *descr)
{
dma_addr_t buf;
int error = 0;
int offset;
int bufsize;
/* we need to round up the buffer size to a multiple of 128 */
bufsize = (SPIDER_NET_MAX_MTU + SPIDER_NET_RXBUF_ALIGN - 1) &
bufsize = (SPIDER_NET_MAX_FRAME + SPIDER_NET_RXBUF_ALIGN - 1) &
(~(SPIDER_NET_RXBUF_ALIGN - 1));
/* and we need to have it 128 byte aligned, therefore we allocate a
@ -493,10 +431,8 @@ spider_net_prepare_rx_descr(struct spider_net_card *card,
/* allocate an skb */
descr->skb = dev_alloc_skb(bufsize + SPIDER_NET_RXBUF_ALIGN - 1);
if (!descr->skb) {
if (net_ratelimit())
if (netif_msg_rx_err(card))
pr_err("Not enough memory to allocate "
"rx buffer\n");
if (netif_msg_rx_err(card) && net_ratelimit())
pr_err("Not enough memory to allocate rx buffer\n");
return -ENOMEM;
}
descr->buf_size = bufsize;
@ -510,12 +446,12 @@ spider_net_prepare_rx_descr(struct spider_net_card *card,
if (offset)
skb_reserve(descr->skb, SPIDER_NET_RXBUF_ALIGN - offset);
/* io-mmu-map the skb */
descr->buf_addr = pci_map_single(card->pdev, descr->skb->data,
SPIDER_NET_MAX_MTU,
PCI_DMA_BIDIRECTIONAL);
if (descr->buf_addr == DMA_ERROR_CODE) {
buf = pci_map_single(card->pdev, descr->skb->data,
SPIDER_NET_MAX_FRAME, PCI_DMA_BIDIRECTIONAL);
descr->buf_addr = buf;
if (buf == DMA_ERROR_CODE) {
dev_kfree_skb_any(descr->skb);
if (netif_msg_rx_err(card))
if (netif_msg_rx_err(card) && net_ratelimit())
pr_err("Could not iommu-map rx buffer\n");
spider_net_set_descr_status(descr, SPIDER_NET_DESCR_NOT_IN_USE);
} else {
@ -526,10 +462,10 @@ spider_net_prepare_rx_descr(struct spider_net_card *card,
}
/**
* spider_net_enable_rxctails - sets RX dmac chain tail addresses
* spider_net_enable_rxchtails - sets RX dmac chain tail addresses
* @card: card structure
*
* spider_net_enable_rxctails sets the RX DMAC chain tail adresses in the
* spider_net_enable_rxchtails sets the RX DMAC chain tail adresses in the
* chip by writing to the appropriate register. DMA is enabled in
* spider_net_enable_rxdmac.
*/
@ -551,6 +487,7 @@ spider_net_enable_rxchtails(struct spider_net_card *card)
static void
spider_net_enable_rxdmac(struct spider_net_card *card)
{
wmb();
spider_net_write_reg(card, SPIDER_NET_GDADMACCNTR,
SPIDER_NET_DMA_RX_VALUE);
}
@ -559,32 +496,28 @@ spider_net_enable_rxdmac(struct spider_net_card *card)
* spider_net_refill_rx_chain - refills descriptors/skbs in the rx chains
* @card: card structure
*
* refills descriptors in all chains (last used chain first): allocates skbs
* and iommu-maps them.
* refills descriptors in the rx chain: allocates skbs and iommu-maps them.
*/
static void
spider_net_refill_rx_chain(struct spider_net_card *card)
{
struct spider_net_descr_chain *chain;
int count = 0;
unsigned long flags;
chain = &card->rx_chain;
spin_lock_irqsave(&card->chain_lock, flags);
while (spider_net_get_descr_status(chain->head) ==
SPIDER_NET_DESCR_NOT_IN_USE) {
if (spider_net_prepare_rx_descr(card, chain->head))
break;
count++;
chain->head = chain->head->next;
}
spin_unlock_irqrestore(&card->chain_lock, flags);
/* one context doing the refill (and a second context seeing that
* and omitting it) is ok. If called by NAPI, we'll be called again
* as spider_net_decode_one_descr is called several times. If some
* interrupt calls us, the NAPI is about to clean up anyway. */
if (atomic_inc_return(&card->rx_chain_refill) == 1)
while (spider_net_get_descr_status(chain->head) ==
SPIDER_NET_DESCR_NOT_IN_USE) {
if (spider_net_prepare_rx_descr(card, chain->head))
break;
chain->head = chain->head->next;
}
/* could be optimized, only do that, if we know the DMA processing
* has terminated */
if (count)
spider_net_enable_rxdmac(card);
atomic_dec(&card->rx_chain_refill);
}
/**
@ -613,6 +546,7 @@ spider_net_alloc_rx_skbs(struct spider_net_card *card)
/* this will allocate the rest of the rx buffers; if not, it's
* business as usual later on */
spider_net_refill_rx_chain(card);
spider_net_enable_rxdmac(card);
return 0;
error:
@ -649,24 +583,30 @@ spider_net_release_tx_descr(struct spider_net_card *card,
* @card: adapter structure
* @brutal: if set, don't care about whether descriptor seems to be in use
*
* releases the tx descriptors that spider has finished with (if non-brutal)
* or simply release tx descriptors (if brutal)
* returns 0 if the tx ring is empty, otherwise 1.
*
* spider_net_release_tx_chain releases the tx descriptors that spider has
* finished with (if non-brutal) or simply release tx descriptors (if brutal).
* If some other context is calling this function, we return 1 so that we're
* scheduled again (if we were scheduled) and will not loose initiative.
*/
static void
static int
spider_net_release_tx_chain(struct spider_net_card *card, int brutal)
{
struct spider_net_descr_chain *tx_chain = &card->tx_chain;
enum spider_net_descr_status status;
spider_net_tx_irq_off(card);
if (atomic_inc_return(&card->tx_chain_release) != 1) {
atomic_dec(&card->tx_chain_release);
return 1;
}
/* no lock for chain needed, if this is only executed once at a time */
again:
for (;;) {
status = spider_net_get_descr_status(tx_chain->tail);
switch (status) {
case SPIDER_NET_DESCR_CARDOWNED:
if (!brutal) goto out;
if (!brutal)
goto out;
/* fallthrough, if we release the descriptors
* brutally (then we don't care about
* SPIDER_NET_DESCR_CARDOWNED) */
@ -693,25 +633,30 @@ again:
tx_chain->tail = tx_chain->tail->next;
}
out:
atomic_dec(&card->tx_chain_release);
netif_wake_queue(card->netdev);
if (!brutal) {
/* switch on tx irqs (while we are still in the interrupt
* handler, so we don't get an interrupt), check again
* for done descriptors. This results in fewer interrupts */
spider_net_tx_irq_on(card);
status = spider_net_get_descr_status(tx_chain->tail);
switch (status) {
case SPIDER_NET_DESCR_RESPONSE_ERROR:
case SPIDER_NET_DESCR_PROTECTION_ERROR:
case SPIDER_NET_DESCR_FORCE_END:
case SPIDER_NET_DESCR_COMPLETE:
goto again;
default:
break;
}
}
if (status == SPIDER_NET_DESCR_CARDOWNED)
return 1;
return 0;
}
/**
* spider_net_cleanup_tx_ring - cleans up the TX ring
* @card: card structure
*
* spider_net_cleanup_tx_ring is called by the tx_timer (as we don't use
* interrupts to cleanup our TX ring) and returns sent packets to the stack
* by freeing them
*/
static void
spider_net_cleanup_tx_ring(struct spider_net_card *card)
{
if ( (spider_net_release_tx_chain(card, 0)) &&
(card->netdev->flags & IFF_UP) ) {
mod_timer(&card->tx_timer, jiffies + SPIDER_NET_TX_TIMER);
}
}
/**
@ -726,16 +671,22 @@ out:
static u8
spider_net_get_multicast_hash(struct net_device *netdev, __u8 *addr)
{
/* FIXME: an addr of 01:00:5e:00:00:01 must result in 0xa9,
* ff:ff:ff:ff:ff:ff must result in 0xfd */
u32 crc;
u8 hash;
char addr_for_crc[ETH_ALEN] = { 0, };
int i, bit;
crc = crc32_be(~0, addr, netdev->addr_len);
for (i = 0; i < ETH_ALEN * 8; i++) {
bit = (addr[i / 8] >> (i % 8)) & 1;
addr_for_crc[ETH_ALEN - 1 - i / 8] += bit << (7 - (i % 8));
}
crc = crc32_be(~0, addr_for_crc, netdev->addr_len);
hash = (crc >> 27);
hash <<= 3;
hash |= crc & 7;
hash &= 0xff;
return hash;
}
@ -821,9 +772,11 @@ spider_net_stop(struct net_device *netdev)
{
struct spider_net_card *card = netdev_priv(netdev);
tasklet_kill(&card->rxram_full_tl);
netif_poll_disable(netdev);
netif_carrier_off(netdev);
netif_stop_queue(netdev);
del_timer_sync(&card->tx_timer);
/* disable/mask all interrupts */
spider_net_write_reg(card, SPIDER_NET_GHIINT0MSK, 0);
@ -872,13 +825,15 @@ spider_net_get_next_tx_descr(struct spider_net_card *card)
* @skb: packet to consider
*
* fills out the command and status field of the descriptor structure,
* depending on hardware checksum settings. This function assumes a wmb()
* has executed before.
* depending on hardware checksum settings.
*/
static void
spider_net_set_txdescr_cmdstat(struct spider_net_descr *descr,
struct sk_buff *skb)
{
/* make sure the other fields in the descriptor are written */
wmb();
if (skb->ip_summed != CHECKSUM_HW) {
descr->dmac_cmd_status = SPIDER_NET_DMAC_CMDSTAT_NOCS;
return;
@ -887,14 +842,13 @@ spider_net_set_txdescr_cmdstat(struct spider_net_descr *descr,
/* is packet ip?
* if yes: tcp? udp? */
if (skb->protocol == htons(ETH_P_IP)) {
if (skb->nh.iph->protocol == IPPROTO_TCP) {
if (skb->nh.iph->protocol == IPPROTO_TCP)
descr->dmac_cmd_status = SPIDER_NET_DMAC_CMDSTAT_TCPCS;
} else if (skb->nh.iph->protocol == IPPROTO_UDP) {
else if (skb->nh.iph->protocol == IPPROTO_UDP)
descr->dmac_cmd_status = SPIDER_NET_DMAC_CMDSTAT_UDPCS;
} else { /* the stack should checksum non-tcp and non-udp
packets on his own: NETIF_F_IP_CSUM */
else /* the stack should checksum non-tcp and non-udp
packets on his own: NETIF_F_IP_CSUM */
descr->dmac_cmd_status = SPIDER_NET_DMAC_CMDSTAT_NOCS;
}
}
}
@ -914,23 +868,22 @@ spider_net_prepare_tx_descr(struct spider_net_card *card,
struct spider_net_descr *descr,
struct sk_buff *skb)
{
descr->buf_addr = pci_map_single(card->pdev, skb->data,
skb->len, PCI_DMA_BIDIRECTIONAL);
if (descr->buf_addr == DMA_ERROR_CODE) {
if (netif_msg_tx_err(card))
dma_addr_t buf;
buf = pci_map_single(card->pdev, skb->data,
skb->len, PCI_DMA_BIDIRECTIONAL);
if (buf == DMA_ERROR_CODE) {
if (netif_msg_tx_err(card) && net_ratelimit())
pr_err("could not iommu-map packet (%p, %i). "
"Dropping packet\n", skb->data, skb->len);
return -ENOMEM;
}
descr->buf_addr = buf;
descr->buf_size = skb->len;
descr->skb = skb;
descr->data_status = 0;
/* make sure the above values are in memory before we change the
* status */
wmb();
spider_net_set_txdescr_cmdstat(descr,skb);
return 0;
@ -972,17 +925,12 @@ spider_net_xmit(struct sk_buff *skb, struct net_device *netdev)
struct spider_net_descr *descr;
int result;
spider_net_release_tx_chain(card, 0);
descr = spider_net_get_next_tx_descr(card);
if (!descr) {
netif_stop_queue(netdev);
descr = spider_net_get_next_tx_descr(card);
if (!descr)
goto error;
else
netif_start_queue(netdev);
}
if (!descr)
goto error;
result = spider_net_prepare_tx_descr(card, descr, skb);
if (result)
@ -990,19 +938,25 @@ spider_net_xmit(struct sk_buff *skb, struct net_device *netdev)
card->tx_chain.head = card->tx_chain.head->next;
/* make sure the status from spider_net_prepare_tx_descr is in
* memory before we check out the previous descriptor */
wmb();
if (spider_net_get_descr_status(descr->prev) !=
SPIDER_NET_DESCR_CARDOWNED)
spider_net_kick_tx_dma(card, descr);
SPIDER_NET_DESCR_CARDOWNED) {
/* make sure the current descriptor is in memory. Then
* kicking it on again makes sense, if the previous is not
* card-owned anymore. Check the previous descriptor twice
* to omit an mb() in heavy traffic cases */
mb();
if (spider_net_get_descr_status(descr->prev) !=
SPIDER_NET_DESCR_CARDOWNED)
spider_net_kick_tx_dma(card, descr);
}
mod_timer(&card->tx_timer, jiffies + SPIDER_NET_TX_TIMER);
return NETDEV_TX_OK;
error:
card->netdev_stats.tx_dropped++;
return NETDEV_TX_LOCKED;
return NETDEV_TX_BUSY;
}
/**
@ -1027,6 +981,7 @@ spider_net_do_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd)
* spider_net_pass_skb_up - takes an skb from a descriptor and passes it on
* @descr: descriptor to process
* @card: card structure
* @napi: whether caller is in NAPI context
*
* returns 1 on success, 0 if no packet was passed to the stack
*
@ -1035,7 +990,7 @@ spider_net_do_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd)
*/
static int
spider_net_pass_skb_up(struct spider_net_descr *descr,
struct spider_net_card *card)
struct spider_net_card *card, int napi)
{
struct sk_buff *skb;
struct net_device *netdev;
@ -1046,22 +1001,20 @@ spider_net_pass_skb_up(struct spider_net_descr *descr,
netdev = card->netdev;
/* check for errors in the data_error flag */
if ((data_error & SPIDER_NET_DATA_ERROR_MASK) &&
netif_msg_rx_err(card))
pr_err("error in received descriptor found, "
"data_status=x%08x, data_error=x%08x\n",
data_status, data_error);
/* prepare skb, unmap descriptor */
skb = descr->skb;
pci_unmap_single(card->pdev, descr->buf_addr, SPIDER_NET_MAX_MTU,
/* unmap descriptor */
pci_unmap_single(card->pdev, descr->buf_addr, SPIDER_NET_MAX_FRAME,
PCI_DMA_BIDIRECTIONAL);
/* the cases we'll throw away the packet immediately */
if (data_error & SPIDER_NET_DESTROY_RX_FLAGS)
if (data_error & SPIDER_NET_DESTROY_RX_FLAGS) {
if (netif_msg_rx_err(card))
pr_err("error in received descriptor found, "
"data_status=x%08x, data_error=x%08x\n",
data_status, data_error);
return 0;
}
skb = descr->skb;
skb->dev = netdev;
skb_put(skb, descr->valid_size);
@ -1073,14 +1026,14 @@ spider_net_pass_skb_up(struct spider_net_descr *descr,
/* checksum offload */
if (card->options.rx_csum) {
if ( (data_status & SPIDER_NET_DATA_STATUS_CHK_MASK) &&
(!(data_error & SPIDER_NET_DATA_ERROR_CHK_MASK)) )
if ( ( (data_status & SPIDER_NET_DATA_STATUS_CKSUM_MASK) ==
SPIDER_NET_DATA_STATUS_CKSUM_MASK) &&
!(data_error & SPIDER_NET_DATA_ERR_CKSUM_MASK))
skb->ip_summed = CHECKSUM_UNNECESSARY;
else
skb->ip_summed = CHECKSUM_NONE;
} else {
} else
skb->ip_summed = CHECKSUM_NONE;
}
if (data_status & SPIDER_NET_VLAN_PACKET) {
/* further enhancements: HW-accel VLAN
@ -1089,7 +1042,10 @@ spider_net_pass_skb_up(struct spider_net_descr *descr,
}
/* pass skb up to stack */
netif_receive_skb(skb);
if (napi)
netif_receive_skb(skb);
else
netif_rx_ni(skb);
/* update netdevice statistics */
card->netdev_stats.rx_packets++;
@ -1099,16 +1055,18 @@ spider_net_pass_skb_up(struct spider_net_descr *descr,
}
/**
* spider_net_decode_descr - processes an rx descriptor
* spider_net_decode_one_descr - processes an rx descriptor
* @card: card structure
* @napi: whether caller is in NAPI context
*
* returns 1 if a packet has been sent to the stack, otherwise 0
*
* processes an rx descriptor by iommu-unmapping the data buffer and passing
* the packet up to the stack
* the packet up to the stack. This function is called in softirq
* context, e.g. either bottom half from interrupt or NAPI polling context
*/
static int
spider_net_decode_one_descr(struct spider_net_card *card)
spider_net_decode_one_descr(struct spider_net_card *card, int napi)
{
enum spider_net_descr_status status;
struct spider_net_descr *descr;
@ -1122,17 +1080,19 @@ spider_net_decode_one_descr(struct spider_net_card *card)
if (status == SPIDER_NET_DESCR_CARDOWNED) {
/* nothing in the descriptor yet */
return 0;
result=0;
goto out;
}
if (status == SPIDER_NET_DESCR_NOT_IN_USE) {
/* not initialized yet, I bet chain->tail == chain->head
* and the ring is empty */
/* not initialized yet, the ring must be empty */
spider_net_refill_rx_chain(card);
return 0;
spider_net_enable_rxdmac(card);
result=0;
goto out;
}
/* descriptor definitively used -- move on head */
/* descriptor definitively used -- move on tail */
chain->tail = descr->next;
result = 0;
@ -1143,6 +1103,9 @@ spider_net_decode_one_descr(struct spider_net_card *card)
pr_err("%s: dropping RX descriptor with state %d\n",
card->netdev->name, status);
card->netdev_stats.rx_dropped++;
pci_unmap_single(card->pdev, descr->buf_addr,
SPIDER_NET_MAX_FRAME, PCI_DMA_BIDIRECTIONAL);
dev_kfree_skb_irq(descr->skb);
goto refill;
}
@ -1155,12 +1118,13 @@ spider_net_decode_one_descr(struct spider_net_card *card)
}
/* ok, we've got a packet in descr */
result = spider_net_pass_skb_up(descr, card);
result = spider_net_pass_skb_up(descr, card, napi);
refill:
spider_net_set_descr_status(descr, SPIDER_NET_DESCR_NOT_IN_USE);
/* change the descriptor state: */
spider_net_refill_rx_chain(card);
if (!napi)
spider_net_refill_rx_chain(card);
out:
return result;
}
@ -1186,7 +1150,7 @@ spider_net_poll(struct net_device *netdev, int *budget)
packets_to_do = min(*budget, netdev->quota);
while (packets_to_do) {
if (spider_net_decode_one_descr(card)) {
if (spider_net_decode_one_descr(card, 1)) {
packets_done++;
packets_to_do--;
} else {
@ -1198,6 +1162,7 @@ spider_net_poll(struct net_device *netdev, int *budget)
netdev->quota -= packets_done;
*budget -= packets_done;
spider_net_refill_rx_chain(card);
/* if all packets are in the stack, enable interrupts and return 0 */
/* if not, return 1 */
@ -1341,6 +1306,24 @@ spider_net_enable_txdmac(struct spider_net_card *card)
card->tx_chain.tail->bus_addr);
}
/**
* spider_net_handle_rxram_full - cleans up RX ring upon RX RAM full interrupt
* @card: card structure
*
* spider_net_handle_rxram_full empties the RX ring so that spider can put
* more packets in it and empty its RX RAM. This is called in bottom half
* context
*/
static void
spider_net_handle_rxram_full(struct spider_net_card *card)
{
while (spider_net_decode_one_descr(card, 0))
;
spider_net_enable_rxchtails(card);
spider_net_enable_rxdmac(card);
netif_rx_schedule(card->netdev);
}
/**
* spider_net_handle_error_irq - handles errors raised by an interrupt
* @card: card structure
@ -1449,17 +1432,21 @@ spider_net_handle_error_irq(struct spider_net_card *card, u32 status_reg)
switch (i)
{
case SPIDER_NET_GTMFLLINT:
if (netif_msg_intr(card))
if (netif_msg_intr(card) && net_ratelimit())
pr_err("Spider TX RAM full\n");
show_error = 0;
break;
case SPIDER_NET_GRFDFLLINT: /* fallthrough */
case SPIDER_NET_GRFCFLLINT: /* fallthrough */
case SPIDER_NET_GRFBFLLINT: /* fallthrough */
case SPIDER_NET_GRFAFLLINT: /* fallthrough */
case SPIDER_NET_GRMFLLINT:
if (netif_msg_intr(card))
if (netif_msg_intr(card) && net_ratelimit())
pr_err("Spider RX RAM full, incoming packets "
"might be discarded !\n");
netif_rx_schedule(card->netdev);
spider_net_enable_rxchtails(card);
spider_net_enable_rxdmac(card);
"might be discarded!\n");
spider_net_rx_irq_off(card);
tasklet_schedule(&card->rxram_full_tl);
show_error = 0;
break;
/* case SPIDER_NET_GTMSHTINT: problem, print a message */
@ -1467,10 +1454,6 @@ spider_net_handle_error_irq(struct spider_net_card *card, u32 status_reg)
/* allrighty. tx from previous descr ok */
show_error = 0;
break;
/* case SPIDER_NET_GRFDFLLINT: print a message down there */
/* case SPIDER_NET_GRFCFLLINT: print a message down there */
/* case SPIDER_NET_GRFBFLLINT: print a message down there */
/* case SPIDER_NET_GRFAFLLINT: print a message down there */
/* chain end */
case SPIDER_NET_GDDDCEINT: /* fallthrough */
@ -1482,6 +1465,7 @@ spider_net_handle_error_irq(struct spider_net_card *card, u32 status_reg)
"restarting DMAC %c.\n",
'D'+i-SPIDER_NET_GDDDCEINT);
spider_net_refill_rx_chain(card);
spider_net_enable_rxdmac(card);
show_error = 0;
break;
@ -1492,6 +1476,7 @@ spider_net_handle_error_irq(struct spider_net_card *card, u32 status_reg)
case SPIDER_NET_GDAINVDINT:
/* could happen when rx chain is full */
spider_net_refill_rx_chain(card);
spider_net_enable_rxdmac(card);
show_error = 0;
break;
@ -1580,17 +1565,13 @@ spider_net_interrupt(int irq, void *ptr, struct pt_regs *regs)
if (!status_reg)
return IRQ_NONE;
if (status_reg & SPIDER_NET_TXINT)
spider_net_release_tx_chain(card, 0);
if (status_reg & SPIDER_NET_RXINT ) {
spider_net_rx_irq_off(card);
netif_rx_schedule(netdev);
}
/* we do this after rx and tx processing, as we want the tx chain
* processed to see, whether we should restart tx dma processing */
spider_net_handle_error_irq(card, status_reg);
if (status_reg & SPIDER_NET_ERRINT )
spider_net_handle_error_irq(card, status_reg);
/* clear interrupt sources */
spider_net_write_reg(card, SPIDER_NET_GHIINT0STS, status_reg);
@ -1831,34 +1812,40 @@ spider_net_setup_phy(struct spider_net_card *card)
/**
* spider_net_download_firmware - loads firmware into the adapter
* @card: card structure
* @firmware: firmware pointer
* @firmware_ptr: pointer to firmware data
*
* spider_net_download_firmware loads the firmware opened by
* spider_net_init_firmware into the adapter.
* spider_net_download_firmware loads the firmware data into the
* adapter. It assumes the length etc. to be allright.
*/
static void
static int
spider_net_download_firmware(struct spider_net_card *card,
const struct firmware *firmware)
u8 *firmware_ptr)
{
int sequencer, i;
u32 *fw_ptr = (u32 *)firmware->data;
u32 *fw_ptr = (u32 *)firmware_ptr;
/* stop sequencers */
spider_net_write_reg(card, SPIDER_NET_GSINIT,
SPIDER_NET_STOP_SEQ_VALUE);
for (sequencer = 0; sequencer < 6; sequencer++) {
for (sequencer = 0; sequencer < SPIDER_NET_FIRMWARE_SEQS;
sequencer++) {
spider_net_write_reg(card,
SPIDER_NET_GSnPRGADR + sequencer * 8, 0);
for (i = 0; i < SPIDER_NET_FIRMWARE_LEN; i++) {
for (i = 0; i < SPIDER_NET_FIRMWARE_SEQWORDS; i++) {
spider_net_write_reg(card, SPIDER_NET_GSnPRGDAT +
sequencer * 8, *fw_ptr);
fw_ptr++;
}
}
if (spider_net_read_reg(card, SPIDER_NET_GSINIT))
return -EIO;
spider_net_write_reg(card, SPIDER_NET_GSINIT,
SPIDER_NET_RUN_SEQ_VALUE);
return 0;
}
/**
@ -1890,31 +1877,53 @@ spider_net_download_firmware(struct spider_net_card *card,
static int
spider_net_init_firmware(struct spider_net_card *card)
{
const struct firmware *firmware;
int err = -EIO;
struct firmware *firmware = NULL;
struct device_node *dn;
u8 *fw_prop = NULL;
int err = -ENOENT;
int fw_size;
if (request_firmware(&firmware,
SPIDER_NET_FIRMWARE_NAME, &card->pdev->dev) < 0) {
if (netif_msg_probe(card))
pr_err("Couldn't read in sequencer data file %s.\n",
SPIDER_NET_FIRMWARE_NAME);
firmware = NULL;
goto out;
if (request_firmware((const struct firmware **)&firmware,
SPIDER_NET_FIRMWARE_NAME, &card->pdev->dev) == 0) {
if ( (firmware->size != SPIDER_NET_FIRMWARE_LEN) &&
netif_msg_probe(card) ) {
pr_err("Incorrect size of spidernet firmware in " \
"filesystem. Looking in host firmware...\n");
goto try_host_fw;
}
err = spider_net_download_firmware(card, firmware->data);
release_firmware(firmware);
if (err)
goto try_host_fw;
goto done;
}
if (firmware->size != 6 * SPIDER_NET_FIRMWARE_LEN * sizeof(u32)) {
if (netif_msg_probe(card))
pr_err("Invalid size of sequencer data file %s.\n",
SPIDER_NET_FIRMWARE_NAME);
goto out;
try_host_fw:
dn = pci_device_to_OF_node(card->pdev);
if (!dn)
goto out_err;
fw_prop = (u8 *)get_property(dn, "firmware", &fw_size);
if (!fw_prop)
goto out_err;
if ( (fw_size != SPIDER_NET_FIRMWARE_LEN) &&
netif_msg_probe(card) ) {
pr_err("Incorrect size of spidernet firmware in " \
"host firmware\n");
goto done;
}
spider_net_download_firmware(card, firmware);
err = 0;
out:
release_firmware(firmware);
err = spider_net_download_firmware(card, fw_prop);
done:
return err;
out_err:
if (netif_msg_probe(card))
pr_err("Couldn't find spidernet firmware in filesystem " \
"or host firmware\n");
return err;
}
@ -1934,10 +1943,11 @@ spider_net_workaround_rxramfull(struct spider_net_card *card)
SPIDER_NET_CKRCTRL_RUN_VALUE);
/* empty sequencer data */
for (sequencer = 0; sequencer < 6; sequencer++) {
for (sequencer = 0; sequencer < SPIDER_NET_FIRMWARE_SEQS;
sequencer++) {
spider_net_write_reg(card, SPIDER_NET_GSnPRGDAT +
sequencer * 8, 0x0);
for (i = 0; i < SPIDER_NET_FIRMWARE_LEN; i++) {
for (i = 0; i < SPIDER_NET_FIRMWARE_SEQWORDS; i++) {
spider_net_write_reg(card, SPIDER_NET_GSnPRGDAT +
sequencer * 8, 0x0);
}
@ -2061,7 +2071,15 @@ spider_net_setup_netdev(struct spider_net_card *card)
SET_NETDEV_DEV(netdev, &card->pdev->dev);
pci_set_drvdata(card->pdev, netdev);
spin_lock_init(&card->intmask_lock);
atomic_set(&card->tx_chain_release,0);
card->rxram_full_tl.data = (unsigned long) card;
card->rxram_full_tl.func =
(void (*)(unsigned long)) spider_net_handle_rxram_full;
init_timer(&card->tx_timer);
card->tx_timer.function =
(void (*)(unsigned long)) spider_net_cleanup_tx_ring;
card->tx_timer.data = (unsigned long) card;
netdev->irq = card->pdev->irq;
card->options.rx_csum = SPIDER_NET_RX_CSUM_DEFAULT;

75
drivers/net/spider_net.h
View File

@ -33,25 +33,32 @@ extern struct ethtool_ops spider_net_ethtool_ops;
extern char spider_net_driver_name[];
#define SPIDER_NET_MAX_MTU 2308
#define SPIDER_NET_MAX_FRAME 2312
#define SPIDER_NET_MAX_MTU 2294
#define SPIDER_NET_MIN_MTU 64
#define SPIDER_NET_RXBUF_ALIGN 128
#define SPIDER_NET_RX_DESCRIPTORS_DEFAULT 64
#define SPIDER_NET_RX_DESCRIPTORS_DEFAULT 256
#define SPIDER_NET_RX_DESCRIPTORS_MIN 16
#define SPIDER_NET_RX_DESCRIPTORS_MAX 256
#define SPIDER_NET_RX_DESCRIPTORS_MAX 512
#define SPIDER_NET_TX_DESCRIPTORS_DEFAULT 64
#define SPIDER_NET_TX_DESCRIPTORS_DEFAULT 256
#define SPIDER_NET_TX_DESCRIPTORS_MIN 16
#define SPIDER_NET_TX_DESCRIPTORS_MAX 256
#define SPIDER_NET_TX_DESCRIPTORS_MAX 512
#define SPIDER_NET_TX_TIMER 20
#define SPIDER_NET_RX_CSUM_DEFAULT 1
#define SPIDER_NET_WATCHDOG_TIMEOUT 5*HZ
#define SPIDER_NET_NAPI_WEIGHT 64
#define SPIDER_NET_WATCHDOG_TIMEOUT 50*HZ
#define SPIDER_NET_NAPI_WEIGHT 64
#define SPIDER_NET_FIRMWARE_LEN 1024
#define SPIDER_NET_FIRMWARE_SEQS 6
#define SPIDER_NET_FIRMWARE_SEQWORDS 1024
#define SPIDER_NET_FIRMWARE_LEN (SPIDER_NET_FIRMWARE_SEQS * \
SPIDER_NET_FIRMWARE_SEQWORDS * \
sizeof(u32))
#define SPIDER_NET_FIRMWARE_NAME "spider_fw.bin"
/** spider_net SMMIO registers */
@ -142,14 +149,12 @@ extern char spider_net_driver_name[];
/** SCONFIG registers */
#define SPIDER_NET_SCONFIG_IOACTE 0x00002810
/** hardcoded register values */
#define SPIDER_NET_INT0_MASK_VALUE 0x3f7fe3ff
#define SPIDER_NET_INT1_MASK_VALUE 0xffffffff
/** interrupt mask registers */
#define SPIDER_NET_INT0_MASK_VALUE 0x3f7fe2c7
#define SPIDER_NET_INT1_MASK_VALUE 0xffff7ff7
/* no MAC aborts -> auto retransmission */
#define SPIDER_NET_INT2_MASK_VALUE 0xfffffff1
#define SPIDER_NET_INT2_MASK_VALUE 0xffef7ff1
/* clear counter when interrupt sources are cleared
#define SPIDER_NET_FRAMENUM_VALUE 0x0001f001 */
/* we rely on flagged descriptor interrupts */
#define SPIDER_NET_FRAMENUM_VALUE 0x00000000
/* set this first, then the FRAMENUM_VALUE */
@ -168,7 +173,7 @@ extern char spider_net_driver_name[];
#if 0
#define SPIDER_NET_WOL_VALUE 0x00000000
#endif
#define SPIDER_NET_IPSECINIT_VALUE 0x00f000f8
#define SPIDER_NET_IPSECINIT_VALUE 0x6f716f71
/* pause frames: automatic, no upper retransmission count */
/* outside loopback mode: ETOMOD signal dont matter, not connected */
@ -318,6 +323,10 @@ enum spider_net_int2_status {
#define SPIDER_NET_RXINT ( (1 << SPIDER_NET_GDAFDCINT) | \
(1 << SPIDER_NET_GRMFLLINT) )
#define SPIDER_NET_ERRINT ( 0xffffffff & \
(~SPIDER_NET_TXINT) & \
(~SPIDER_NET_RXINT) )
#define SPIDER_NET_GPREXEC 0x80000000
#define SPIDER_NET_GPRDAT_MASK 0x0000ffff
@ -358,9 +367,6 @@ enum spider_net_int2_status {
/* descr ready, descr is in middle of chain, get interrupt on completion */
#define SPIDER_NET_DMAC_RX_CARDOWNED 0xa0800000
/* multicast is no problem */
#define SPIDER_NET_DATA_ERROR_MASK 0xffffbfff
enum spider_net_descr_status {
SPIDER_NET_DESCR_COMPLETE = 0x00, /* used in rx and tx */
SPIDER_NET_DESCR_RESPONSE_ERROR = 0x01, /* used in rx and tx */
@ -373,9 +379,9 @@ enum spider_net_descr_status {
struct spider_net_descr {
/* as defined by the hardware */
dma_addr_t buf_addr;
u32 buf_addr;
u32 buf_size;
dma_addr_t next_descr_addr;
u32 next_descr_addr;
u32 dmac_cmd_status;
u32 result_size;
u32 valid_size; /* all zeroes for tx */
@ -384,7 +390,7 @@ struct spider_net_descr {
/* used in the driver */
struct sk_buff *skb;
dma_addr_t bus_addr;
u32 bus_addr;
struct spider_net_descr *next;
struct spider_net_descr *prev;
} __attribute__((aligned(32)));
@ -396,21 +402,21 @@ struct spider_net_descr_chain {
};
/* descriptor data_status bits */
#define SPIDER_NET_RXIPCHK 29
#define SPIDER_NET_TCPUDPIPCHK 28
#define SPIDER_NET_DATA_STATUS_CHK_MASK (1 << SPIDER_NET_RXIPCHK | \
1 << SPIDER_NET_TCPUDPIPCHK)
#define SPIDER_NET_RX_IPCHK 29
#define SPIDER_NET_RX_TCPCHK 28
#define SPIDER_NET_VLAN_PACKET 21
#define SPIDER_NET_DATA_STATUS_CKSUM_MASK ( (1 << SPIDER_NET_RX_IPCHK) | \
(1 << SPIDER_NET_RX_TCPCHK) )
/* descriptor data_error bits */
#define SPIDER_NET_RXIPCHKERR 27
#define SPIDER_NET_RXTCPCHKERR 26
#define SPIDER_NET_DATA_ERROR_CHK_MASK (1 << SPIDER_NET_RXIPCHKERR | \
1 << SPIDER_NET_RXTCPCHKERR)
#define SPIDER_NET_RX_IPCHKERR 27
#define SPIDER_NET_RX_RXTCPCHKERR 28
/* the cases we don't pass the packet to the stack */
#define SPIDER_NET_DESTROY_RX_FLAGS 0x70138000
#define SPIDER_NET_DATA_ERR_CKSUM_MASK (1 << SPIDER_NET_RX_IPCHKERR)
/* the cases we don't pass the packet to the stack.
* 701b8000 would be correct, but every packets gets that flag */
#define SPIDER_NET_DESTROY_RX_FLAGS 0x700b8000
#define SPIDER_NET_DESCR_SIZE 32
@ -445,13 +451,16 @@ struct spider_net_card {
struct spider_net_descr_chain tx_chain;
struct spider_net_descr_chain rx_chain;
spinlock_t chain_lock;
atomic_t rx_chain_refill;
atomic_t tx_chain_release;
struct net_device_stats netdev_stats;
struct spider_net_options options;
spinlock_t intmask_lock;
struct tasklet_struct rxram_full_tl;
struct timer_list tx_timer;
struct work_struct tx_timeout_task;
atomic_t tx_timeout_task_counter;

19
drivers/net/spider_net_ethtool.c
View File

@ -113,6 +113,23 @@ spider_net_ethtool_set_rx_csum(struct net_device *netdev, u32 n)
return 0;
}
static uint32_t
spider_net_ethtool_get_tx_csum(struct net_device *netdev)
{
return (netdev->features & NETIF_F_HW_CSUM) != 0;
}
static int
spider_net_ethtool_set_tx_csum(struct net_device *netdev, uint32_t data)
{
if (data)
netdev->features |= NETIF_F_HW_CSUM;
else
netdev->features &= ~NETIF_F_HW_CSUM;
return 0;
}
struct ethtool_ops spider_net_ethtool_ops = {
.get_settings = spider_net_ethtool_get_settings,
.get_drvinfo = spider_net_ethtool_get_drvinfo,
@ -122,5 +139,7 @@ struct ethtool_ops spider_net_ethtool_ops = {
.nway_reset = spider_net_ethtool_nway_reset,
.get_rx_csum = spider_net_ethtool_get_rx_csum,
.set_rx_csum = spider_net_ethtool_set_rx_csum,
.get_tx_csum = spider_net_ethtool_get_tx_csum,
.set_tx_csum = spider_net_ethtool_set_tx_csum,
};

21
drivers/net/wireless/airo.c
View File

@ -5668,13 +5668,13 @@ static int airo_set_freq(struct net_device *dev,
int channel = fwrq->m;
/* We should do a better check than that,
* based on the card capability !!! */
if((channel < 1) || (channel > 16)) {
if((channel < 1) || (channel > 14)) {
printk(KERN_DEBUG "%s: New channel value of %d is invalid!\n", dev->name, fwrq->m);
rc = -EINVAL;
} else {
readConfigRid(local, 1);
/* Yes ! We can set it !!! */
local->config.channelSet = (u16)(channel - 1);
local->config.channelSet = (u16) channel;
set_bit (FLAG_COMMIT, &local->flags);
}
}
@ -5692,6 +5692,7 @@ static int airo_get_freq(struct net_device *dev,
{
struct airo_info *local = dev->priv;
StatusRid status_rid; /* Card status info */
int ch;
readConfigRid(local, 1);
if ((local->config.opmode & 0xFF) == MODE_STA_ESS)
@ -5699,16 +5700,14 @@ static int airo_get_freq(struct net_device *dev,
else
readStatusRid(local, &status_rid, 1);
#ifdef WEXT_USECHANNELS
fwrq->m = ((int)status_rid.channel) + 1;
fwrq->e = 0;
#else
{
int f = (int)status_rid.channel;
fwrq->m = frequency_list[f] * 100000;
ch = (int)status_rid.channel;
if((ch > 0) && (ch < 15)) {
fwrq->m = frequency_list[ch - 1] * 100000;
fwrq->e = 1;
} else {
fwrq->m = ch;
fwrq->e = 0;
}
#endif
return 0;
}
@ -5783,7 +5782,7 @@ static int airo_get_essid(struct net_device *dev,
/* If none, we may want to get the one that was set */
/* Push it out ! */
dwrq->length = status_rid.SSIDlen + 1;
dwrq->length = status_rid.SSIDlen;
dwrq->flags = 1; /* active */
return 0;

4
drivers/net/wireless/atmel.c
View File

@ -1718,11 +1718,11 @@ static int atmel_get_essid(struct net_device *dev,
if (priv->new_SSID_size != 0) {
memcpy(extra, priv->new_SSID, priv->new_SSID_size);
extra[priv->new_SSID_size] = '\0';
dwrq->length = priv->new_SSID_size + 1;
dwrq->length = priv->new_SSID_size;
} else {
memcpy(extra, priv->SSID, priv->SSID_size);
extra[priv->SSID_size] = '\0';
dwrq->length = priv->SSID_size + 1;
dwrq->length = priv->SSID_size;
}
dwrq->flags = !priv->connect_to_any_BSS; /* active */

22
drivers/net/wireless/hostap/Kconfig
View File

@ -26,11 +26,25 @@ config HOSTAP_FIRMWARE
depends on HOSTAP
---help---
Configure Host AP driver to include support for firmware image
download. Current version supports only downloading to volatile, i.e.,
RAM memory. Flash upgrade is not yet supported.
download. This option by itself only enables downloading to the
volatile memory, i.e. the card RAM. This option is required to
support cards that don't have firmware in flash, such as D-Link
DWL-520 rev E and D-Link DWL-650 rev P.
Firmware image downloading needs user space tool, prism2_srec. It is
available from http://hostap.epitest.fi/.
Firmware image downloading needs a user space tool, prism2_srec.
It is available from http://hostap.epitest.fi/.
config HOSTAP_FIRMWARE_NVRAM
bool "Support for non-volatile firmware download"
depends on HOSTAP_FIRMWARE
---help---
Allow Host AP driver to write firmware images to the non-volatile
card memory, i.e. flash memory that survives power cycling.
Enable this option if you want to be able to change card firmware
permanently.
Firmware image downloading needs a user space tool, prism2_srec.
It is available from http://hostap.epitest.fi/.
config HOSTAP_PLX
tristate "Host AP driver for Prism2/2.5/3 in PLX9052 PCI adaptors"

3
drivers/net/wireless/hostap/Makefile
View File

@ -1,4 +1,5 @@
hostap-y := hostap_main.o
hostap-y := hostap_80211_rx.o hostap_80211_tx.o hostap_ap.o hostap_info.o \
hostap_ioctl.o hostap_main.o hostap_proc.o
obj-$(CONFIG_HOSTAP) += hostap.o
obj-$(CONFIG_HOSTAP_CS) += hostap_cs.o

37
drivers/net/wireless/hostap/hostap.h
View File

@ -1,6 +1,15 @@
#ifndef HOSTAP_H
#define HOSTAP_H
#include <linux/ethtool.h>
#include "hostap_wlan.h"
#include "hostap_ap.h"
static const long freq_list[] = { 2412, 2417, 2422, 2427, 2432, 2437, 2442,
2447, 2452, 2457, 2462, 2467, 2472, 2484 };
#define FREQ_COUNT (sizeof(freq_list) / sizeof(freq_list[0]))
/* hostap.c */
extern struct proc_dir_entry *hostap_proc;
@ -40,6 +49,26 @@ int prism2_update_comms_qual(struct net_device *dev);
int prism2_sta_send_mgmt(local_info_t *local, u8 *dst, u16 stype,
u8 *body, size_t bodylen);
int prism2_sta_deauth(local_info_t *local, u16 reason);
int prism2_wds_add(local_info_t *local, u8 *remote_addr,
int rtnl_locked);
int prism2_wds_del(local_info_t *local, u8 *remote_addr,
int rtnl_locked, int do_not_remove);
/* hostap_ap.c */
int ap_control_add_mac(struct mac_restrictions *mac_restrictions, u8 *mac);
int ap_control_del_mac(struct mac_restrictions *mac_restrictions, u8 *mac);
void ap_control_flush_macs(struct mac_restrictions *mac_restrictions);
int ap_control_kick_mac(struct ap_data *ap, struct net_device *dev, u8 *mac);
void ap_control_kickall(struct ap_data *ap);
void * ap_crypt_get_ptrs(struct ap_data *ap, u8 *addr, int permanent,
struct ieee80211_crypt_data ***crypt);
int prism2_ap_get_sta_qual(local_info_t *local, struct sockaddr addr[],
struct iw_quality qual[], int buf_size,
int aplist);
int prism2_ap_translate_scan(struct net_device *dev, char *buffer);
int prism2_hostapd(struct ap_data *ap, struct prism2_hostapd_param *param);
/* hostap_proc.c */
@ -54,4 +83,12 @@ void hostap_info_init(local_info_t *local);
void hostap_info_process(local_info_t *local, struct sk_buff *skb);
/* hostap_ioctl.c */
extern const struct iw_handler_def hostap_iw_handler_def;
extern struct ethtool_ops prism2_ethtool_ops;
int hostap_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd);
#endif /* HOSTAP_H */

3
drivers/net/wireless/hostap/hostap_80211.h
View File

@ -1,6 +1,9 @@
#ifndef HOSTAP_80211_H
#define HOSTAP_80211_H
#include <linux/types.h>
#include <net/ieee80211_crypt.h>
struct hostap_ieee80211_mgmt {
u16 frame_control;
u16 duration;

11
drivers/net/wireless/hostap/hostap_80211_rx.c
View File

@ -1,7 +1,18 @@
#include <linux/etherdevice.h>
#include <net/ieee80211_crypt.h>
#include "hostap_80211.h"
#include "hostap.h"
#include "hostap_ap.h"
/* See IEEE 802.1H for LLC/SNAP encapsulation/decapsulation */
/* Ethernet-II snap header (RFC1042 for most EtherTypes) */
static unsigned char rfc1042_header[] =
{ 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 };
/* Bridge-Tunnel header (for EtherTypes ETH_P_AARP and ETH_P_IPX) */
static unsigned char bridge_tunnel_header[] =
{ 0xaa, 0xaa, 0x03, 0x00, 0x00, 0xf8 };
/* No encapsulation header if EtherType < 0x600 (=length) */
void hostap_dump_rx_80211(const char *name, struct sk_buff *skb,
struct hostap_80211_rx_status *rx_stats)

15
drivers/net/wireless/hostap/hostap_80211_tx.c
View File

@ -1,3 +1,18 @@
#include "hostap_80211.h"
#include "hostap_common.h"
#include "hostap_wlan.h"
#include "hostap.h"
#include "hostap_ap.h"
/* See IEEE 802.1H for LLC/SNAP encapsulation/decapsulation */
/* Ethernet-II snap header (RFC1042 for most EtherTypes) */
static unsigned char rfc1042_header[] =
{ 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 };
/* Bridge-Tunnel header (for EtherTypes ETH_P_AARP and ETH_P_IPX) */
static unsigned char bridge_tunnel_header[] =
{ 0xaa, 0xaa, 0x03, 0x00, 0x00, 0xf8 };
/* No encapsulation header if EtherType < 0x600 (=length) */
void hostap_dump_tx_80211(const char *name, struct sk_buff *skb)
{
struct ieee80211_hdr_4addr *hdr;

36
drivers/net/wireless/hostap/hostap_ap.c
View File

@ -16,6 +16,14 @@
* (8802.11: 5.5)
*/
#include <linux/proc_fs.h>
#include <linux/delay.h>
#include <linux/random.h>
#include "hostap_wlan.h"
#include "hostap.h"
#include "hostap_ap.h"
static int other_ap_policy[MAX_PARM_DEVICES] = { AP_OTHER_AP_SKIP_ALL,
DEF_INTS };
module_param_array(other_ap_policy, int, NULL, 0444);
@ -360,8 +368,7 @@ static int ap_control_proc_read(char *page, char **start, off_t off,
}
static int ap_control_add_mac(struct mac_restrictions *mac_restrictions,
u8 *mac)
int ap_control_add_mac(struct mac_restrictions *mac_restrictions, u8 *mac)
{
struct mac_entry *entry;
@ -380,8 +387,7 @@ static int ap_control_add_mac(struct mac_restrictions *mac_restrictions,
}
static int ap_control_del_mac(struct mac_restrictions *mac_restrictions,
u8 *mac)
int ap_control_del_mac(struct mac_restrictions *mac_restrictions, u8 *mac)
{
struct list_head *ptr;
struct mac_entry *entry;
@ -433,7 +439,7 @@ static int ap_control_mac_deny(struct mac_restrictions *mac_restrictions,
}
static void ap_control_flush_macs(struct mac_restrictions *mac_restrictions)
void ap_control_flush_macs(struct mac_restrictions *mac_restrictions)
{
struct list_head *ptr, *n;
struct mac_entry *entry;
@ -454,8 +460,7 @@ static void ap_control_flush_macs(struct mac_restrictions *mac_restrictions)
}
static int ap_control_kick_mac(struct ap_data *ap, struct net_device *dev,
u8 *mac)
int ap_control_kick_mac(struct ap_data *ap, struct net_device *dev, u8 *mac)
{
struct sta_info *sta;
u16 resp;
@ -486,7 +491,7 @@ static int ap_control_kick_mac(struct ap_data *ap, struct net_device *dev,
#endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */
static void ap_control_kickall(struct ap_data *ap)
void ap_control_kickall(struct ap_data *ap)
{
struct list_head *ptr, *n;
struct sta_info *sta;
@ -2321,9 +2326,9 @@ static void schedule_packet_send(local_info_t *local, struct sta_info *sta)
}
static int prism2_ap_get_sta_qual(local_info_t *local, struct sockaddr addr[],
struct iw_quality qual[], int buf_size,
int aplist)
int prism2_ap_get_sta_qual(local_info_t *local, struct sockaddr addr[],
struct iw_quality qual[], int buf_size,
int aplist)
{
struct ap_data *ap = local->ap;
struct list_head *ptr;
@ -2363,7 +2368,7 @@ static int prism2_ap_get_sta_qual(local_info_t *local, struct sockaddr addr[],
/* Translate our list of Access Points & Stations to a card independant
* format that the Wireless Tools will understand - Jean II */
static int prism2_ap_translate_scan(struct net_device *dev, char *buffer)
int prism2_ap_translate_scan(struct net_device *dev, char *buffer)
{
struct hostap_interface *iface;
local_info_t *local;
@ -2608,8 +2613,7 @@ static int prism2_hostapd_sta_clear_stats(struct ap_data *ap,
}
static int prism2_hostapd(struct ap_data *ap,
struct prism2_hostapd_param *param)
int prism2_hostapd(struct ap_data *ap, struct prism2_hostapd_param *param)
{
switch (param->cmd) {
case PRISM2_HOSTAPD_FLUSH:
@ -3207,8 +3211,8 @@ void hostap_update_rates(local_info_t *local)
}
static void * ap_crypt_get_ptrs(struct ap_data *ap, u8 *addr, int permanent,
struct ieee80211_crypt_data ***crypt)
void * ap_crypt_get_ptrs(struct ap_data *ap, u8 *addr, int permanent,
struct ieee80211_crypt_data ***crypt)
{
struct sta_info *sta;

2
drivers/net/wireless/hostap/hostap_ap.h
View File

@ -1,6 +1,8 @@
#ifndef HOSTAP_AP_H
#define HOSTAP_AP_H
#include "hostap_80211.h"
/* AP data structures for STAs */
/* maximum number of frames to buffer per STA */

3
drivers/net/wireless/hostap/hostap_common.h
View File

@ -1,6 +1,9 @@
#ifndef HOSTAP_COMMON_H
#define HOSTAP_COMMON_H
#include <linux/types.h>
#include <linux/if_ether.h>
#define BIT(x) (1 << (x))
#define MAC2STR(a) (a)[0], (a)[1], (a)[2], (a)[3], (a)[4], (a)[5]

13
drivers/net/wireless/hostap/hostap_config.h
View File

@ -21,15 +21,10 @@
#define PRISM2_DOWNLOAD_SUPPORT
#endif
#ifdef PRISM2_DOWNLOAD_SUPPORT
/* Allow writing firmware images into flash, i.e., to non-volatile storage.
* Before you enable this option, you should make absolutely sure that you are
* using prism2_srec utility that comes with THIS version of the driver!
* In addition, please note that it is possible to kill your card with
* non-volatile download if you are using incorrect image. This feature has not
* been fully tested, so please be careful with it. */
/* #define PRISM2_NON_VOLATILE_DOWNLOAD */
#endif /* PRISM2_DOWNLOAD_SUPPORT */
/* Allow kernel configuration to enable non-volatile download support. */
#ifdef CONFIG_HOSTAP_FIRMWARE_NVRAM
#define PRISM2_NON_VOLATILE_DOWNLOAD
#endif
/* Save low-level I/O for debugging. This should not be enabled in normal use.
*/

3
drivers/net/wireless/hostap/hostap_info.c
View File

@ -1,5 +1,8 @@
/* Host AP driver Info Frame processing (part of hostap.o module) */
#include "hostap_wlan.h"
#include "hostap.h"
#include "hostap_ap.h"
/* Called only as a tasklet (software IRQ) */
static void prism2_info_commtallies16(local_info_t *local, unsigned char *buf,

12
drivers/net/wireless/hostap/hostap_ioctl.c
View File

@ -1,11 +1,13 @@
/* ioctl() (mostly Linux Wireless Extensions) routines for Host AP driver */
#ifdef in_atomic
/* Get kernel_locked() for in_atomic() */
#include <linux/types.h>
#include <linux/smp_lock.h>
#endif
#include <linux/ethtool.h>
#include <net/ieee80211_crypt.h>
#include "hostap_wlan.h"
#include "hostap.h"
#include "hostap_ap.h"
static struct iw_statistics *hostap_get_wireless_stats(struct net_device *dev)
{
@ -3910,7 +3912,7 @@ static void prism2_get_drvinfo(struct net_device *dev,
local->sta_fw_ver & 0xff);
}
static struct ethtool_ops prism2_ethtool_ops = {
struct ethtool_ops prism2_ethtool_ops = {
.get_drvinfo = prism2_get_drvinfo
};
@ -3985,7 +3987,7 @@ static const iw_handler prism2_private_handler[] =
(iw_handler) prism2_ioctl_priv_readmif, /* 3 */
};
static const struct iw_handler_def hostap_iw_handler_def =
const struct iw_handler_def hostap_iw_handler_def =
{
.num_standard = sizeof(prism2_handler) / sizeof(iw_handler),
.num_private = sizeof(prism2_private_handler) / sizeof(iw_handler),

60
drivers/net/wireless/hostap/hostap_main.c
View File

@ -24,6 +24,7 @@
#include <linux/kmod.h>
#include <linux/rtnetlink.h>
#include <linux/wireless.h>
#include <linux/etherdevice.h>
#include <net/iw_handler.h>
#include <net/ieee80211.h>
#include <net/ieee80211_crypt.h>
@ -47,57 +48,6 @@ MODULE_VERSION(PRISM2_VERSION);
#define PRISM2_MAX_MTU (PRISM2_MAX_FRAME_SIZE - (6 /* LLC */ + 8 /* WEP */))
/* hostap.c */
static int prism2_wds_add(local_info_t *local, u8 *remote_addr,
int rtnl_locked);
static int prism2_wds_del(local_info_t *local, u8 *remote_addr,
int rtnl_locked, int do_not_remove);
/* hostap_ap.c */
static int prism2_ap_get_sta_qual(local_info_t *local, struct sockaddr addr[],
struct iw_quality qual[], int buf_size,
int aplist);
static int prism2_ap_translate_scan(struct net_device *dev, char *buffer);
static int prism2_hostapd(struct ap_data *ap,
struct prism2_hostapd_param *param);
static void * ap_crypt_get_ptrs(struct ap_data *ap, u8 *addr, int permanent,
struct ieee80211_crypt_data ***crypt);
static void ap_control_kickall(struct ap_data *ap);
#ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT
static int ap_control_add_mac(struct mac_restrictions *mac_restrictions,
u8 *mac);
static int ap_control_del_mac(struct mac_restrictions *mac_restrictions,
u8 *mac);
static void ap_control_flush_macs(struct mac_restrictions *mac_restrictions);
static int ap_control_kick_mac(struct ap_data *ap, struct net_device *dev,
u8 *mac);
#endif /* !PRISM2_NO_KERNEL_IEEE80211_MGMT */
static const long freq_list[] = { 2412, 2417, 2422, 2427, 2432, 2437, 2442,
2447, 2452, 2457, 2462, 2467, 2472, 2484 };
#define FREQ_COUNT (sizeof(freq_list) / sizeof(freq_list[0]))
/* See IEEE 802.1H for LLC/SNAP encapsulation/decapsulation */
/* Ethernet-II snap header (RFC1042 for most EtherTypes) */
static unsigned char rfc1042_header[] =
{ 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 };
/* Bridge-Tunnel header (for EtherTypes ETH_P_AARP and ETH_P_IPX) */
static unsigned char bridge_tunnel_header[] =
{ 0xaa, 0xaa, 0x03, 0x00, 0x00, 0xf8 };
/* No encapsulation header if EtherType < 0x600 (=length) */
/* FIX: these could be compiled separately and linked together to hostap.o */
#include "hostap_ap.c"
#include "hostap_info.c"
#include "hostap_ioctl.c"
#include "hostap_proc.c"
#include "hostap_80211_rx.c"
#include "hostap_80211_tx.c"
struct net_device * hostap_add_interface(struct local_info *local,
int type, int rtnl_locked,
const char *prefix,
@ -196,8 +146,8 @@ static inline int prism2_wds_special_addr(u8 *addr)
}
static int prism2_wds_add(local_info_t *local, u8 *remote_addr,
int rtnl_locked)
int prism2_wds_add(local_info_t *local, u8 *remote_addr,
int rtnl_locked)
{
struct net_device *dev;
struct list_head *ptr;
@ -258,8 +208,8 @@ static int prism2_wds_add(local_info_t *local, u8 *remote_addr,
}
static int prism2_wds_del(local_info_t *local, u8 *remote_addr,
int rtnl_locked, int do_not_remove)
int prism2_wds_del(local_info_t *local, u8 *remote_addr,
int rtnl_locked, int do_not_remove)
{
unsigned long flags;
struct list_head *ptr;

7
drivers/net/wireless/hostap/hostap_proc.c
View File

@ -1,5 +1,12 @@
/* /proc routines for Host AP driver */
#include <linux/types.h>
#include <linux/proc_fs.h>
#include <net/ieee80211_crypt.h>
#include "hostap_wlan.h"
#include "hostap.h"
#define PROC_LIMIT (PAGE_SIZE - 80)

4
drivers/net/wireless/hostap/hostap_wlan.h
View File

@ -1,6 +1,10 @@
#ifndef HOSTAP_WLAN_H
#define HOSTAP_WLAN_H
#include <linux/wireless.h>
#include <linux/netdevice.h>
#include <net/iw_handler.h>
#include "hostap_config.h"
#include "hostap_common.h"

434
drivers/net/wireless/ipw2100.c
View File

@ -5735,70 +5735,6 @@ static struct net_device_stats *ipw2100_stats(struct net_device *dev)
return &priv->ieee->stats;
}
#if WIRELESS_EXT < 18
/* Support for wpa_supplicant before WE-18, deprecated. */
/* following definitions must match definitions in driver_ipw.c */
#define IPW2100_IOCTL_WPA_SUPPLICANT SIOCIWFIRSTPRIV+30
#define IPW2100_CMD_SET_WPA_PARAM 1
#define IPW2100_CMD_SET_WPA_IE 2
#define IPW2100_CMD_SET_ENCRYPTION 3
#define IPW2100_CMD_MLME 4
#define IPW2100_PARAM_WPA_ENABLED 1
#define IPW2100_PARAM_TKIP_COUNTERMEASURES 2
#define IPW2100_PARAM_DROP_UNENCRYPTED 3
#define IPW2100_PARAM_PRIVACY_INVOKED 4
#define IPW2100_PARAM_AUTH_ALGS 5
#define IPW2100_PARAM_IEEE_802_1X 6
#define IPW2100_MLME_STA_DEAUTH 1
#define IPW2100_MLME_STA_DISASSOC 2
#define IPW2100_CRYPT_ERR_UNKNOWN_ALG 2
#define IPW2100_CRYPT_ERR_UNKNOWN_ADDR 3
#define IPW2100_CRYPT_ERR_CRYPT_INIT_FAILED 4
#define IPW2100_CRYPT_ERR_KEY_SET_FAILED 5
#define IPW2100_CRYPT_ERR_TX_KEY_SET_FAILED 6
#define IPW2100_CRYPT_ERR_CARD_CONF_FAILED 7
#define IPW2100_CRYPT_ALG_NAME_LEN 16
struct ipw2100_param {
u32 cmd;
u8 sta_addr[ETH_ALEN];
union {
struct {
u8 name;
u32 value;
} wpa_param;
struct {
u32 len;
u8 reserved[32];
u8 data[0];
} wpa_ie;
struct {
u32 command;
u32 reason_code;
} mlme;
struct {
u8 alg[IPW2100_CRYPT_ALG_NAME_LEN];
u8 set_tx;
u32 err;
u8 idx;
u8 seq[8]; /* sequence counter (set: RX, get: TX) */
u16 key_len;
u8 key[0];
} crypt;
} u;
};
/* end of driver_ipw.c code */
#endif /* WIRELESS_EXT < 18 */
static int ipw2100_wpa_enable(struct ipw2100_priv *priv, int value)
{
/* This is called when wpa_supplicant loads and closes the driver
@ -5807,11 +5743,6 @@ static int ipw2100_wpa_enable(struct ipw2100_priv *priv, int value)
return 0;
}
#if WIRELESS_EXT < 18
#define IW_AUTH_ALG_OPEN_SYSTEM 0x1
#define IW_AUTH_ALG_SHARED_KEY 0x2
#endif
static int ipw2100_wpa_set_auth_algs(struct ipw2100_priv *priv, int value)
{
@ -5855,360 +5786,6 @@ void ipw2100_wpa_assoc_frame(struct ipw2100_priv *priv,
ipw2100_set_wpa_ie(priv, &frame, 0);
}
#if WIRELESS_EXT < 18
static int ipw2100_wpa_set_param(struct net_device *dev, u8 name, u32 value)
{
struct ipw2100_priv *priv = ieee80211_priv(dev);
struct ieee80211_crypt_data *crypt;
unsigned long flags;
int ret = 0;
switch (name) {
case IPW2100_PARAM_WPA_ENABLED:
ret = ipw2100_wpa_enable(priv, value);
break;
case IPW2100_PARAM_TKIP_COUNTERMEASURES:
crypt = priv->ieee->crypt[priv->ieee->tx_keyidx];
if (!crypt || !crypt->ops->set_flags || !crypt->ops->get_flags)
break;
flags = crypt->ops->get_flags(crypt->priv);
if (value)
flags |= IEEE80211_CRYPTO_TKIP_COUNTERMEASURES;
else
flags &= ~IEEE80211_CRYPTO_TKIP_COUNTERMEASURES;
crypt->ops->set_flags(flags, crypt->priv);
break;
case IPW2100_PARAM_DROP_UNENCRYPTED:{
/* See IW_AUTH_DROP_UNENCRYPTED handling for details */
struct ieee80211_security sec = {
.flags = SEC_ENABLED,
.enabled = value,
};
priv->ieee->drop_unencrypted = value;
/* We only change SEC_LEVEL for open mode. Others
* are set by ipw_wpa_set_encryption.
*/
if (!value) {
sec.flags |= SEC_LEVEL;
sec.level = SEC_LEVEL_0;
} else {
sec.flags |= SEC_LEVEL;
sec.level = SEC_LEVEL_1;
}
if (priv->ieee->set_security)
priv->ieee->set_security(priv->ieee->dev, &sec);
break;
}
case IPW2100_PARAM_PRIVACY_INVOKED:
priv->ieee->privacy_invoked = value;
break;
case IPW2100_PARAM_AUTH_ALGS:
ret = ipw2100_wpa_set_auth_algs(priv, value);
break;
case IPW2100_PARAM_IEEE_802_1X:
priv->ieee->ieee802_1x = value;
break;
default:
printk(KERN_ERR DRV_NAME ": %s: Unknown WPA param: %d\n",
dev->name, name);
ret = -EOPNOTSUPP;
}
return ret;
}
static int ipw2100_wpa_mlme(struct net_device *dev, int command, int reason)
{
struct ipw2100_priv *priv = ieee80211_priv(dev);
int ret = 0;
switch (command) {
case IPW2100_MLME_STA_DEAUTH:
// silently ignore
break;
case IPW2100_MLME_STA_DISASSOC:
ipw2100_disassociate_bssid(priv);
break;
default:
printk(KERN_ERR DRV_NAME ": %s: Unknown MLME request: %d\n",
dev->name, command);
ret = -EOPNOTSUPP;
}
return ret;
}
static int ipw2100_wpa_set_wpa_ie(struct net_device *dev,
struct ipw2100_param *param, int plen)
{
struct ipw2100_priv *priv = ieee80211_priv(dev);
struct ieee80211_device *ieee = priv->ieee;
u8 *buf;
if (!ieee->wpa_enabled)
return -EOPNOTSUPP;
if (param->u.wpa_ie.len > MAX_WPA_IE_LEN ||
(param->u.wpa_ie.len && param->u.wpa_ie.data == NULL))
return -EINVAL;
if (param->u.wpa_ie.len) {
buf = kmalloc(param->u.wpa_ie.len, GFP_KERNEL);
if (buf == NULL)
return -ENOMEM;
memcpy(buf, param->u.wpa_ie.data, param->u.wpa_ie.len);
kfree(ieee->wpa_ie);
ieee->wpa_ie = buf;
ieee->wpa_ie_len = param->u.wpa_ie.len;
} else {
kfree(ieee->wpa_ie);
ieee->wpa_ie = NULL;
ieee->wpa_ie_len = 0;
}
ipw2100_wpa_assoc_frame(priv, ieee->wpa_ie, ieee->wpa_ie_len);
return 0;
}
/* implementation borrowed from hostap driver */
static int ipw2100_wpa_set_encryption(struct net_device *dev,
struct ipw2100_param *param,
int param_len)
{
int ret = 0;
struct ipw2100_priv *priv = ieee80211_priv(dev);
struct ieee80211_device *ieee = priv->ieee;
struct ieee80211_crypto_ops *ops;
struct ieee80211_crypt_data **crypt;
struct ieee80211_security sec = {
.flags = 0,
};
param->u.crypt.err = 0;
param->u.crypt.alg[IPW2100_CRYPT_ALG_NAME_LEN - 1] = '\0';
if (param_len !=
(int)((char *)param->u.crypt.key - (char *)param) +
param->u.crypt.key_len) {
IPW_DEBUG_INFO("Len mismatch %d, %d\n", param_len,
param->u.crypt.key_len);
return -EINVAL;
}
if (param->sta_addr[0] == 0xff && param->sta_addr[1] == 0xff &&
param->sta_addr[2] == 0xff && param->sta_addr[3] == 0xff &&
param->sta_addr[4] == 0xff && param->sta_addr[5] == 0xff) {
if (param->u.crypt.idx >= WEP_KEYS)
return -EINVAL;
crypt = &ieee->crypt[param->u.crypt.idx];
} else {
return -EINVAL;
}
sec.flags |= SEC_ENABLED | SEC_ENCRYPT;
if (strcmp(param->u.crypt.alg, "none") == 0) {
if (crypt) {
sec.enabled = 0;
sec.encrypt = 0;
sec.level = SEC_LEVEL_0;
sec.flags |= SEC_LEVEL;
ieee80211_crypt_delayed_deinit(ieee, crypt);
}
goto done;
}
sec.enabled = 1;
sec.encrypt = 1;
ops = ieee80211_get_crypto_ops(param->u.crypt.alg);
if (ops == NULL && strcmp(param->u.crypt.alg, "WEP") == 0) {
request_module("ieee80211_crypt_wep");
ops = ieee80211_get_crypto_ops(param->u.crypt.alg);
} else if (ops == NULL && strcmp(param->u.crypt.alg, "TKIP") == 0) {
request_module("ieee80211_crypt_tkip");
ops = ieee80211_get_crypto_ops(param->u.crypt.alg);
} else if (ops == NULL && strcmp(param->u.crypt.alg, "CCMP") == 0) {
request_module("ieee80211_crypt_ccmp");
ops = ieee80211_get_crypto_ops(param->u.crypt.alg);
}
if (ops == NULL) {
IPW_DEBUG_INFO("%s: unknown crypto alg '%s'\n",
dev->name, param->u.crypt.alg);
param->u.crypt.err = IPW2100_CRYPT_ERR_UNKNOWN_ALG;
ret = -EINVAL;
goto done;
}
if (*crypt == NULL || (*crypt)->ops != ops) {
struct ieee80211_crypt_data *new_crypt;
ieee80211_crypt_delayed_deinit(ieee, crypt);
new_crypt = kzalloc(sizeof(struct ieee80211_crypt_data), GFP_KERNEL);
if (new_crypt == NULL) {
ret = -ENOMEM;
goto done;
}
new_crypt->ops = ops;
if (new_crypt->ops && try_module_get(new_crypt->ops->owner))
new_crypt->priv =
new_crypt->ops->init(param->u.crypt.idx);
if (new_crypt->priv == NULL) {
kfree(new_crypt);
param->u.crypt.err =
IPW2100_CRYPT_ERR_CRYPT_INIT_FAILED;
ret = -EINVAL;
goto done;
}
*crypt = new_crypt;
}
if (param->u.crypt.key_len > 0 && (*crypt)->ops->set_key &&
(*crypt)->ops->set_key(param->u.crypt.key,
param->u.crypt.key_len, param->u.crypt.seq,
(*crypt)->priv) < 0) {
IPW_DEBUG_INFO("%s: key setting failed\n", dev->name);
param->u.crypt.err = IPW2100_CRYPT_ERR_KEY_SET_FAILED;
ret = -EINVAL;
goto done;
}
if (param->u.crypt.set_tx) {
ieee->tx_keyidx = param->u.crypt.idx;
sec.active_key = param->u.crypt.idx;
sec.flags |= SEC_ACTIVE_KEY;
}
if (ops->name != NULL) {
if (strcmp(ops->name, "WEP") == 0) {
memcpy(sec.keys[param->u.crypt.idx],
param->u.crypt.key, param->u.crypt.key_len);
sec.key_sizes[param->u.crypt.idx] =
param->u.crypt.key_len;
sec.flags |= (1 << param->u.crypt.idx);
sec.flags |= SEC_LEVEL;
sec.level = SEC_LEVEL_1;
} else if (strcmp(ops->name, "TKIP") == 0) {
sec.flags |= SEC_LEVEL;
sec.level = SEC_LEVEL_2;
} else if (strcmp(ops->name, "CCMP") == 0) {
sec.flags |= SEC_LEVEL;
sec.level = SEC_LEVEL_3;
}
}
done:
if (ieee->set_security)
ieee->set_security(ieee->dev, &sec);
/* Do not reset port if card is in Managed mode since resetting will
* generate new IEEE 802.11 authentication which may end up in looping
* with IEEE 802.1X. If your hardware requires a reset after WEP
* configuration (for example... Prism2), implement the reset_port in
* the callbacks structures used to initialize the 802.11 stack. */
if (ieee->reset_on_keychange &&
ieee->iw_mode != IW_MODE_INFRA &&
ieee->reset_port && ieee->reset_port(dev)) {
IPW_DEBUG_INFO("%s: reset_port failed\n", dev->name);
param->u.crypt.err = IPW2100_CRYPT_ERR_CARD_CONF_FAILED;
return -EINVAL;
}
return ret;
}
static int ipw2100_wpa_supplicant(struct net_device *dev, struct iw_point *p)
{
struct ipw2100_param *param;
int ret = 0;
IPW_DEBUG_IOCTL("wpa_supplicant: len=%d\n", p->length);
if (p->length < sizeof(struct ipw2100_param) || !p->pointer)
return -EINVAL;
param = (struct ipw2100_param *)kmalloc(p->length, GFP_KERNEL);
if (param == NULL)
return -ENOMEM;
if (copy_from_user(param, p->pointer, p->length)) {
kfree(param);
return -EFAULT;
}
switch (param->cmd) {
case IPW2100_CMD_SET_WPA_PARAM:
ret = ipw2100_wpa_set_param(dev, param->u.wpa_param.name,
param->u.wpa_param.value);
break;
case IPW2100_CMD_SET_WPA_IE:
ret = ipw2100_wpa_set_wpa_ie(dev, param, p->length);
break;
case IPW2100_CMD_SET_ENCRYPTION:
ret = ipw2100_wpa_set_encryption(dev, param, p->length);
break;
case IPW2100_CMD_MLME:
ret = ipw2100_wpa_mlme(dev, param->u.mlme.command,
param->u.mlme.reason_code);
break;
default:
printk(KERN_ERR DRV_NAME
": %s: Unknown WPA supplicant request: %d\n", dev->name,
param->cmd);
ret = -EOPNOTSUPP;
}
if (ret == 0 && copy_to_user(p->pointer, param, p->length))
ret = -EFAULT;
kfree(param);
return ret;
}
static int ipw2100_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
{
struct iwreq *wrq = (struct iwreq *)rq;
int ret = -1;
switch (cmd) {
case IPW2100_IOCTL_WPA_SUPPLICANT:
ret = ipw2100_wpa_supplicant(dev, &wrq->u.data);
return ret;
default:
return -EOPNOTSUPP;
}
return -EOPNOTSUPP;
}
#endif /* WIRELESS_EXT < 18 */
static void ipw_ethtool_get_drvinfo(struct net_device *dev,
struct ethtool_drvinfo *info)
{
@ -6337,9 +5914,6 @@ static struct net_device *ipw2100_alloc_device(struct pci_dev *pci_dev,
dev->open = ipw2100_open;
dev->stop = ipw2100_close;
dev->init = ipw2100_net_init;
#if WIRELESS_EXT < 18
dev->do_ioctl = ipw2100_ioctl;
#endif
dev->get_stats = ipw2100_stats;
dev->ethtool_ops = &ipw2100_ethtool_ops;
dev->tx_timeout = ipw2100_tx_timeout;
@ -7855,7 +7429,6 @@ static int ipw2100_wx_get_power(struct net_device *dev,
return 0;
}
#if WIRELESS_EXT > 17
/*
* WE-18 WPA support
*/
@ -8117,7 +7690,6 @@ static int ipw2100_wx_set_mlme(struct net_device *dev,
}
return 0;
}
#endif /* WIRELESS_EXT > 17 */
/*
*
@ -8350,11 +7922,7 @@ static iw_handler ipw2100_wx_handlers[] = {
NULL, /* SIOCWIWTHRSPY */
ipw2100_wx_set_wap, /* SIOCSIWAP */
ipw2100_wx_get_wap, /* SIOCGIWAP */
#if WIRELESS_EXT > 17
ipw2100_wx_set_mlme, /* SIOCSIWMLME */
#else
NULL, /* -- hole -- */
#endif
NULL, /* SIOCGIWAPLIST -- deprecated */
ipw2100_wx_set_scan, /* SIOCSIWSCAN */
ipw2100_wx_get_scan, /* SIOCGIWSCAN */
@ -8378,7 +7946,6 @@ static iw_handler ipw2100_wx_handlers[] = {
ipw2100_wx_get_encode, /* SIOCGIWENCODE */
ipw2100_wx_set_power, /* SIOCSIWPOWER */
ipw2100_wx_get_power, /* SIOCGIWPOWER */
#if WIRELESS_EXT > 17
NULL, /* -- hole -- */
NULL, /* -- hole -- */
ipw2100_wx_set_genie, /* SIOCSIWGENIE */
@ -8388,7 +7955,6 @@ static iw_handler ipw2100_wx_handlers[] = {
ipw2100_wx_set_encodeext, /* SIOCSIWENCODEEXT */
ipw2100_wx_get_encodeext, /* SIOCGIWENCODEEXT */
NULL, /* SIOCSIWPMKSA */
#endif
};
#define IPW2100_PRIV_SET_MONITOR SIOCIWFIRSTPRIV

14
drivers/net/wireless/ipw2200.c
View File

@ -8936,14 +8936,12 @@ static int ipw_request_direct_scan(struct ipw_priv *priv, char *essid,
IPW_DEBUG_HC("starting request direct scan!\n");
if (priv->status & (STATUS_SCANNING | STATUS_SCAN_ABORTING)) {
err = wait_event_interruptible(priv->wait_state,
!(priv->
status & (STATUS_SCANNING |
STATUS_SCAN_ABORTING)));
if (err) {
IPW_DEBUG_HC("aborting direct scan");
goto done;
}
/* We should not sleep here; otherwise we will block most
* of the system (for instance, we hold rtnl_lock when we
* get here).
*/
err = -EAGAIN;
goto done;
}
memset(&scan, 0, sizeof(scan));

2
drivers/net/wireless/prism54/isl_ioctl.c
View File

@ -748,7 +748,7 @@ prism54_get_essid(struct net_device *ndev, struct iw_request_info *info,
if (essid->length) {
dwrq->flags = 1; /* set ESSID to ON for Wireless Extensions */
/* if it is to big, trunk it */
dwrq->length = min(IW_ESSID_MAX_SIZE, essid->length + 1);
dwrq->length = min(IW_ESSID_MAX_SIZE, essid->length);
} else {
dwrq->flags = 0;
dwrq->length = 0;

2
drivers/net/wireless/prism54/islpci_eth.c
View File

@ -177,7 +177,7 @@ islpci_eth_transmit(struct sk_buff *skb, struct net_device *ndev)
#endif
newskb->dev = skb->dev;
dev_kfree_skb(skb);
dev_kfree_skb_irq(skb);
skb = newskb;
}
}

2
drivers/net/wireless/ray_cs.c
View File

@ -1256,7 +1256,7 @@ static int ray_get_essid(struct net_device *dev,
extra[IW_ESSID_MAX_SIZE] = '\0';
/* Push it out ! */
dwrq->length = strlen(extra) + 1;
dwrq->length = strlen(extra);
dwrq->flags = 1; /* active */
return 0;

2
drivers/net/wireless/wavelan_cs.c
View File

@ -2280,7 +2280,7 @@ static int wavelan_get_essid(struct net_device *dev,
extra[IW_ESSID_MAX_SIZE] = '\0';
/* Set the length */
wrqu->data.length = strlen(extra) + 1;
wrqu->data.length = strlen(extra);
return 0;
}

1
include/net/ieee80211_crypt.h
View File

@ -25,6 +25,7 @@
#include <linux/types.h>
#include <linux/list.h>
#include <net/ieee80211.h>
#include <asm/atomic.h>
enum {

2
include/net/iw_handler.h
View File

@ -327,7 +327,7 @@ struct iw_handler_def
__u16 num_private_args;
/* Array of handlers for standard ioctls
* We will call dev->wireless_handlers->standard[ioctl - SIOCSIWNAME]
* We will call dev->wireless_handlers->standard[ioctl - SIOCSIWCOMMIT]
*/
const iw_handler * standard;