Release 4.7 drivers/net/ethernet/broadcom/b44.c
/* b44.c: Broadcom 44xx/47xx Fast Ethernet device driver.
*
* Copyright (C) 2002 David S. Miller (davem@redhat.com)
* Copyright (C) 2004 Pekka Pietikainen (pp@ee.oulu.fi)
* Copyright (C) 2004 Florian Schirmer (jolt@tuxbox.org)
* Copyright (C) 2006 Felix Fietkau (nbd@openwrt.org)
* Copyright (C) 2006 Broadcom Corporation.
* Copyright (C) 2007 Michael Buesch <m@bues.ch>
* Copyright (C) 2013 Hauke Mehrtens <hauke@hauke-m.de>
*
* Distribute under GPL.
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/types.h>
#include <linux/netdevice.h>
#include <linux/ethtool.h>
#include <linux/mii.h>
#include <linux/if_ether.h>
#include <linux/if_vlan.h>
#include <linux/etherdevice.h>
#include <linux/pci.h>
#include <linux/delay.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/dma-mapping.h>
#include <linux/ssb/ssb.h>
#include <linux/slab.h>
#include <linux/phy.h>
#include <asm/uaccess.h>
#include <asm/io.h>
#include <asm/irq.h>
#include "b44.h"
#define DRV_MODULE_NAME "b44"
#define DRV_MODULE_VERSION "2.0"
#define DRV_DESCRIPTION "Broadcom 44xx/47xx 10/100 PCI ethernet driver"
#define B44_DEF_MSG_ENABLE \
(NETIF_MSG_DRV | \
NETIF_MSG_PROBE | \
NETIF_MSG_LINK | \
NETIF_MSG_TIMER | \
NETIF_MSG_IFDOWN | \
NETIF_MSG_IFUP | \
NETIF_MSG_RX_ERR | \
NETIF_MSG_TX_ERR)
/* length of time before we decide the hardware is borked,
* and dev->tx_timeout() should be called to fix the problem
*/
#define B44_TX_TIMEOUT (5 * HZ)
/* hardware minimum and maximum for a single frame's data payload */
#define B44_MIN_MTU 60
#define B44_MAX_MTU 1500
#define B44_RX_RING_SIZE 512
#define B44_DEF_RX_RING_PENDING 200
#define B44_RX_RING_BYTES (sizeof(struct dma_desc) * \
B44_RX_RING_SIZE)
#define B44_TX_RING_SIZE 512
#define B44_DEF_TX_RING_PENDING (B44_TX_RING_SIZE - 1)
#define B44_TX_RING_BYTES (sizeof(struct dma_desc) * \
B44_TX_RING_SIZE)
#define TX_RING_GAP(BP) \
(B44_TX_RING_SIZE - (BP)->tx_pending)
#define TX_BUFFS_AVAIL(BP) \
(((BP)->tx_cons <= (BP)->tx_prod) ? \
(BP)->tx_cons + (BP)->tx_pending - (BP)->tx_prod : \
(BP)->tx_cons - (BP)->tx_prod - TX_RING_GAP(BP))
#define NEXT_TX(N) (((N) + 1) & (B44_TX_RING_SIZE - 1))
#define RX_PKT_OFFSET (RX_HEADER_LEN + 2)
#define RX_PKT_BUF_SZ (1536 + RX_PKT_OFFSET)
/* minimum number of free TX descriptors required to wake up TX process */
#define B44_TX_WAKEUP_THRESH (B44_TX_RING_SIZE / 4)
/* b44 internal pattern match filter info */
#define B44_PATTERN_BASE 0x400
#define B44_PATTERN_SIZE 0x80
#define B44_PMASK_BASE 0x600
#define B44_PMASK_SIZE 0x10
#define B44_MAX_PATTERNS 16
#define B44_ETHIPV6UDP_HLEN 62
#define B44_ETHIPV4UDP_HLEN 42
MODULE_AUTHOR("Felix Fietkau, Florian Schirmer, Pekka Pietikainen, David S. Miller");
MODULE_DESCRIPTION(DRV_DESCRIPTION);
MODULE_LICENSE("GPL");
MODULE_VERSION(DRV_MODULE_VERSION);
static int b44_debug = -1;
/* -1 == use B44_DEF_MSG_ENABLE as value */
module_param(b44_debug, int, 0);
MODULE_PARM_DESC(b44_debug, "B44 bitmapped debugging message enable value");
#ifdef CONFIG_B44_PCI
static const struct pci_device_id b44_pci_tbl[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_BCM4401) },
{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_BCM4401B0) },
{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_BCM4401B1) },
{ 0 } /* terminate list with empty entry */
};
MODULE_DEVICE_TABLE(pci, b44_pci_tbl);
static struct pci_driver b44_pci_driver = {
.name = DRV_MODULE_NAME,
.id_table = b44_pci_tbl,
};
#endif /* CONFIG_B44_PCI */
static const struct ssb_device_id b44_ssb_tbl[] = {
SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_ETHERNET, SSB_ANY_REV),
{},
};
MODULE_DEVICE_TABLE(ssb, b44_ssb_tbl);
static void b44_halt(struct b44 *);
static void b44_init_rings(struct b44 *);
#define B44_FULL_RESET 1
#define B44_FULL_RESET_SKIP_PHY 2
#define B44_PARTIAL_RESET 3
#define B44_CHIP_RESET_FULL 4
#define B44_CHIP_RESET_PARTIAL 5
static void b44_init_hw(struct b44 *, int);
static int dma_desc_sync_size;
static int instance;
static const char b44_gstrings[][ETH_GSTRING_LEN] = {
#define _B44(x...) # x,
B44_STAT_REG_DECLARE
#undef _B44
};
static inline void b44_sync_dma_desc_for_device(struct ssb_device *sdev,
dma_addr_t dma_base,
unsigned long offset,
enum dma_data_direction dir)
{
dma_sync_single_for_device(sdev->dma_dev, dma_base + offset,
dma_desc_sync_size, dir);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| john w. linville | john w. linville | 31 | 81.58% | 1 | 33.33% |
| fujita tomonori | fujita tomonori | 4 | 10.53% | 1 | 33.33% |
| michael buesch | michael buesch | 3 | 7.89% | 1 | 33.33% |
| Total | 38 | 100.00% | 3 | 100.00% |
static inline void b44_sync_dma_desc_for_cpu(struct ssb_device *sdev,
dma_addr_t dma_base,
unsigned long offset,
enum dma_data_direction dir)
{
dma_sync_single_for_cpu(sdev->dma_dev, dma_base + offset,
dma_desc_sync_size, dir);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| john w. linville | john w. linville | 31 | 81.58% | 1 | 33.33% |
| fujita tomonori | fujita tomonori | 4 | 10.53% | 1 | 33.33% |
| michael buesch | michael buesch | 3 | 7.89% | 1 | 33.33% |
| Total | 38 | 100.00% | 3 | 100.00% |
static inline unsigned long br32(const struct b44 *bp, unsigned long reg)
{
return ssb_read32(bp->sdev, reg);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| stephen hemminger | stephen hemminger | 25 | 89.29% | 1 | 50.00% |
| michael buesch | michael buesch | 3 | 10.71% | 1 | 50.00% |
| Total | 28 | 100.00% | 2 | 100.00% |
static inline void bw32(const struct b44 *bp,
unsigned long reg, unsigned long val)
{
ssb_write32(bp->sdev, reg, val);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| stephen hemminger | stephen hemminger | 27 | 84.38% | 1 | 50.00% |
| michael buesch | michael buesch | 5 | 15.62% | 1 | 50.00% |
| Total | 32 | 100.00% | 2 | 100.00% |
static int b44_wait_bit(struct b44 *bp, unsigned long reg,
u32 bit, unsigned long timeout, const int clear)
{
unsigned long i;
for (i = 0; i < timeout; i++) {
u32 val = br32(bp, reg);
if (clear && !(val & bit))
break;
if (!clear && (val & bit))
break;
udelay(10);
}
if (i == timeout) {
if (net_ratelimit())
netdev_err(bp->dev, "BUG! Timeout waiting for bit %08x of register %lx to %s\n",
bit, reg, clear ? "clear" : "set");
return -ENODEV;
}
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| jeff garzik | jeff garzik | 96 | 78.05% | 1 | 20.00% |
| joe perches | joe perches | 11 | 8.94% | 1 | 20.00% |
| david s. miller | david s. miller | 9 | 7.32% | 1 | 20.00% |
| jochen friedrich | jochen friedrich | 5 | 4.07% | 1 | 20.00% |
| stephen hemminger | stephen hemminger | 2 | 1.63% | 1 | 20.00% |
| Total | 123 | 100.00% | 5 | 100.00% |
static inline void __b44_cam_read(struct b44 *bp, unsigned char *data, int index)
{
u32 val;
bw32(bp, B44_CAM_CTRL, (CAM_CTRL_READ |
(index << CAM_CTRL_INDEX_SHIFT)));
b44_wait_bit(bp, B44_CAM_CTRL, CAM_CTRL_BUSY, 100, 1);
val = br32(bp, B44_CAM_DATA_LO);
data[2] = (val >> 24) & 0xFF;
data[3] = (val >> 16) & 0xFF;
data[4] = (val >> 8) & 0xFF;
data[5] = (val >> 0) & 0xFF;
val = br32(bp, B44_CAM_DATA_HI);
data[0] = (val >> 8) & 0xFF;
data[1] = (val >> 0) & 0xFF;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| michael buesch | michael buesch | 99 | 66.44% | 1 | 33.33% |
| jeff garzik | jeff garzik | 46 | 30.87% | 1 | 33.33% |
| stephen hemminger | stephen hemminger | 4 | 2.68% | 1 | 33.33% |
| Total | 149 | 100.00% | 3 | 100.00% |
static inline void __b44_cam_write(struct b44 *bp, unsigned char *data, int index)
{
u32 val;
val = ((u32) data[2]) << 24;
val |= ((u32) data[3]) << 16;
val |= ((u32) data[4]) << 8;
val |= ((u32) data[5]) << 0;
bw32(bp, B44_CAM_DATA_LO, val);
val = (CAM_DATA_HI_VALID |
(((u32) data[0]) << 8) |
(((u32) data[1]) << 0));
bw32(bp, B44_CAM_DATA_HI, val);
bw32(bp, B44_CAM_CTRL, (CAM_CTRL_WRITE |
(index << CAM_CTRL_INDEX_SHIFT)));
b44_wait_bit(bp, B44_CAM_CTRL, CAM_CTRL_BUSY, 100, 1);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| jeff garzik | jeff garzik | 153 | 95.03% | 1 | 25.00% |
| stephen hemminger | stephen hemminger | 6 | 3.73% | 1 | 25.00% |
| pekka pietikainen | pekka pietikainen | 1 | 0.62% | 1 | 25.00% |
| michael buesch | michael buesch | 1 | 0.62% | 1 | 25.00% |
| Total | 161 | 100.00% | 4 | 100.00% |
static inline void __b44_disable_ints(struct b44 *bp)
{
bw32(bp, B44_IMASK, 0);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| jeff garzik | jeff garzik | 19 | 90.48% | 1 | 50.00% |
| stephen hemminger | stephen hemminger | 2 | 9.52% | 1 | 50.00% |
| Total | 21 | 100.00% | 2 | 100.00% |
static void b44_disable_ints(struct b44 *bp)
{
__b44_disable_ints(bp);
/* Flush posted writes. */
br32(bp, B44_IMASK);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| jeff garzik | jeff garzik | 22 | 91.67% | 1 | 50.00% |
| stephen hemminger | stephen hemminger | 2 | 8.33% | 1 | 50.00% |
| Total | 24 | 100.00% | 2 | 100.00% |
static void b44_enable_ints(struct b44 *bp)
{
bw32(bp, B44_IMASK, bp->imask);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| jeff garzik | jeff garzik | 20 | 90.91% | 1 | 50.00% |
| stephen hemminger | stephen hemminger | 2 | 9.09% | 1 | 50.00% |
| Total | 22 | 100.00% | 2 | 100.00% |
static int __b44_readphy(struct b44 *bp, int phy_addr, int reg, u32 *val)
{
int err;
bw32(bp, B44_EMAC_ISTAT, EMAC_INT_MII);
bw32(bp, B44_MDIO_DATA, (MDIO_DATA_SB_START |
(MDIO_OP_READ << MDIO_DATA_OP_SHIFT) |
(phy_addr << MDIO_DATA_PMD_SHIFT) |
(reg << MDIO_DATA_RA_SHIFT) |
(MDIO_TA_VALID << MDIO_DATA_TA_SHIFT)));
err = b44_wait_bit(bp, B44_EMAC_ISTAT, EMAC_INT_MII, 100, 0);
*val = br32(bp, B44_MDIO_DATA) & MDIO_DATA_DATA;
return err;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| jeff garzik | jeff garzik | 82 | 83.67% | 1 | 25.00% |
| stephen hemminger | stephen hemminger | 6 | 6.12% | 1 | 25.00% |
| david s. miller | david s. miller | 6 | 6.12% | 1 | 25.00% |
| michael buesch | michael buesch | 4 | 4.08% | 1 | 25.00% |
| Total | 98 | 100.00% | 4 | 100.00% |
static int __b44_writephy(struct b44 *bp, int phy_addr, int reg, u32 val)
{
bw32(bp, B44_EMAC_ISTAT, EMAC_INT_MII);
bw32(bp, B44_MDIO_DATA, (MDIO_DATA_SB_START |
(MDIO_OP_WRITE << MDIO_DATA_OP_SHIFT) |
(phy_addr << MDIO_DATA_PMD_SHIFT) |
(reg << MDIO_DATA_RA_SHIFT) |
(MDIO_TA_VALID << MDIO_DATA_TA_SHIFT) |
(val & MDIO_DATA_DATA)));
return b44_wait_bit(bp, B44_EMAC_ISTAT, EMAC_INT_MII, 100, 0);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| jeff garzik | jeff garzik | 61 | 72.62% | 1 | 25.00% |
| michael buesch | michael buesch | 18 | 21.43% | 1 | 25.00% |
| stephen hemminger | stephen hemminger | 4 | 4.76% | 1 | 25.00% |
| david s. miller | david s. miller | 1 | 1.19% | 1 | 25.00% |
| Total | 84 | 100.00% | 4 | 100.00% |
static inline int b44_readphy(struct b44 *bp, int reg, u32 *val)
{
if (bp->flags & B44_FLAG_EXTERNAL_PHY)
return 0;
return __b44_readphy(bp, bp->phy_addr, reg, val);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| michael buesch | michael buesch | 41 | 93.18% | 1 | 50.00% |
| hauke mehrtens | hauke mehrtens | 3 | 6.82% | 1 | 50.00% |
| Total | 44 | 100.00% | 2 | 100.00% |
static inline int b44_writephy(struct b44 *bp, int reg, u32 val)
{
if (bp->flags & B44_FLAG_EXTERNAL_PHY)
return 0;
return __b44_writephy(bp, bp->phy_addr, reg, val);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| michael buesch | michael buesch | 32 | 74.42% | 1 | 33.33% |
| jeff garzik | jeff garzik | 8 | 18.60% | 1 | 33.33% |
| hauke mehrtens | hauke mehrtens | 3 | 6.98% | 1 | 33.33% |
| Total | 43 | 100.00% | 3 | 100.00% |
/* miilib interface */
static int b44_mdio_read_mii(struct net_device *dev, int phy_id, int location)
{
u32 val;
struct b44 *bp = netdev_priv(dev);
int rc = __b44_readphy(bp, phy_id, location, &val);
if (rc)
return 0xffffffff;
return val;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| jeff garzik | jeff garzik | 51 | 92.73% | 1 | 33.33% |
| michael buesch | michael buesch | 3 | 5.45% | 1 | 33.33% |
| hauke mehrtens | hauke mehrtens | 1 | 1.82% | 1 | 33.33% |
| Total | 55 | 100.00% | 3 | 100.00% |
static void b44_mdio_write_mii(struct net_device *dev, int phy_id, int location,
int val)
{
struct b44 *bp = netdev_priv(dev);
__b44_writephy(bp, phy_id, location, val);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| jeff garzik | jeff garzik | 37 | 90.24% | 1 | 33.33% |
| michael buesch | michael buesch | 3 | 7.32% | 1 | 33.33% |
| hauke mehrtens | hauke mehrtens | 1 | 2.44% | 1 | 33.33% |
| Total | 41 | 100.00% | 3 | 100.00% |
static int b44_mdio_read_phylib(struct mii_bus *bus, int phy_id, int location)
{
u32 val;
struct b44 *bp = bus->priv;
int rc = __b44_readphy(bp, phy_id, location, &val);
if (rc)
return 0xffffffff;
return val;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| hauke mehrtens | hauke mehrtens | 54 | 100.00% | 1 | 100.00% |
| Total | 54 | 100.00% | 1 | 100.00% |
static int b44_mdio_write_phylib(struct mii_bus *bus, int phy_id, int location,
u16 val)
{
struct b44 *bp = bus->priv;
return __b44_writephy(bp, phy_id, location, val);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| hauke mehrtens | hauke mehrtens | 41 | 100.00% | 1 | 100.00% |
| Total | 41 | 100.00% | 1 | 100.00% |
static int b44_phy_reset(struct b44 *bp)
{
u32 val;
int err;
if (bp->flags & B44_FLAG_EXTERNAL_PHY)
return 0;
err = b44_writephy(bp, MII_BMCR, BMCR_RESET);
if (err)
return err;
udelay(100);
err = b44_readphy(bp, MII_BMCR, &val);
if (!err) {
if (val & BMCR_RESET) {
netdev_err(bp->dev, "PHY Reset would not complete\n");
err = -ENODEV;
}
}
return err;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| jeff garzik | jeff garzik | 77 | 81.05% | 1 | 20.00% |
| michael buesch | michael buesch | 8 | 8.42% | 1 | 20.00% |
| joe perches | joe perches | 6 | 6.32% | 1 | 20.00% |
| hauke mehrtens | hauke mehrtens | 4 | 4.21% | 2 | 40.00% |
| Total | 95 | 100.00% | 5 | 100.00% |
static void __b44_set_flow_ctrl(struct b44 *bp, u32 pause_flags)
{
u32 val;
bp->flags &= ~(B44_FLAG_TX_PAUSE | B44_FLAG_RX_PAUSE);
bp->flags |= pause_flags;
val = br32(bp, B44_RXCONFIG);
if (pause_flags & B44_FLAG_RX_PAUSE)
val |= RXCONFIG_FLOW;
else
val &= ~RXCONFIG_FLOW;
bw32(bp, B44_RXCONFIG, val);
val = br32(bp, B44_MAC_FLOW);
if (pause_flags & B44_FLAG_TX_PAUSE)
val |= (MAC_FLOW_PAUSE_ENAB |
(0xc0 & MAC_FLOW_RX_HI_WATER));
else
val &= ~MAC_FLOW_PAUSE_ENAB;
bw32(bp, B44_MAC_FLOW, val);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| jeff garzik | jeff garzik | 102 | 92.73% | 1 | 50.00% |
| stephen hemminger | stephen hemminger | 8 | 7.27% | 1 | 50.00% |
| Total | 110 | 100.00% | 2 | 100.00% |
static void b44_set_flow_ctrl(struct b44 *bp, u32 local, u32 remote)
{
u32 pause_enab = 0;
/* The driver supports only rx pause by default because
the b44 mac tx pause mechanism generates excessive
pause frames.
Use ethtool to turn on b44 tx pause if necessary.
*/
if ((local & ADVERTISE_PAUSE_CAP) &&
(local & ADVERTISE_PAUSE_ASYM)){
if ((remote & LPA_PAUSE_ASYM) &&
!(remote & LPA_PAUSE_CAP))
pause_enab |= B44_FLAG_RX_PAUSE;
}
__b44_set_flow_ctrl(bp, pause_enab);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| jeff garzik | jeff garzik | 57 | 87.69% | 2 | 66.67% |
| gary zambrano | gary zambrano | 8 | 12.31% | 1 | 33.33% |
| Total | 65 | 100.00% | 3 | 100.00% |
#ifdef CONFIG_BCM47XX
#include <linux/bcm47xx_nvram.h>
static void b44_wap54g10_workaround(struct b44 *bp)
{
char buf[20];
u32 val;
int err;
/*
* workaround for bad hardware design in Linksys WAP54G v1.0
* see https://dev.openwrt.org/ticket/146
* check and reset bit "isolate"
*/
if (bcm47xx_nvram_getenv("boardnum", buf, sizeof(buf)) < 0)
return;
if (simple_strtoul(buf, NULL, 0) == 2) {
err = __b44_readphy(bp, 0, MII_BMCR, &val);
if (err)
goto error;
if (!(val & BMCR_ISOLATE))
return;
val &= ~BMCR_ISOLATE;
err = __b44_writephy(bp, 0, MII_BMCR, val);
if (err)
goto error;
}
return;
error:
pr_warn("PHY: cannot reset MII transceiver isolate bit\n");
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| michael buesch | michael buesch | 100 | 83.33% | 1 | 20.00% |
| hauke mehrtens | hauke mehrtens | 17 | 14.17% | 2 | 40.00% |
| joe perches | joe perches | 3 | 2.50% | 2 | 40.00% |
| Total | 120 | 100.00% | 5 | 100.00% |
#else
static inline void b44_wap54g10_workaround(struct b44 *bp)
{
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| michael buesch | michael buesch | 11 | 100.00% | 1 | 100.00% |
| Total | 11 | 100.00% | 1 | 100.00% |
#endif
static int b44_setup_phy(struct b44 *bp)
{
u32 val;
int err;
b44_wap54g10_workaround(bp);
if (bp->flags & B44_FLAG_EXTERNAL_PHY)
return 0;
if ((err = b44_readphy(bp, B44_MII_ALEDCTRL, &val)) != 0)
goto out;
if ((err = b44_writephy(bp, B44_MII_ALEDCTRL,
val & MII_ALEDCTRL_ALLMSK)) != 0)
goto out;
if ((err = b44_readphy(bp, B44_MII_TLEDCTRL, &val)) != 0)
goto out;
if ((err = b44_writephy(bp, B44_MII_TLEDCTRL,
val | MII_TLEDCTRL_ENABLE)) != 0)
goto out;
if (!(bp->flags & B44_FLAG_FORCE_LINK)) {
u32 adv = ADVERTISE_CSMA;
if (bp->flags & B44_FLAG_ADV_10HALF)
adv |= ADVERTISE_10HALF;
if (bp->flags & B44_FLAG_ADV_10FULL)
adv |= ADVERTISE_10FULL;
if (bp->flags & B44_FLAG_ADV_100HALF)
adv |= ADVERTISE_100HALF;
if (bp->flags & B44_FLAG_ADV_100FULL)
adv |= ADVERTISE_100FULL;
if (bp->flags & B44_FLAG_PAUSE_AUTO)
adv |= ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
if ((err = b44_writephy(bp, MII_ADVERTISE, adv)) != 0)
goto out;
if ((err = b44_writephy(bp, MII_BMCR, (BMCR_ANENABLE |
BMCR_ANRESTART))) != 0)
goto out;
} else {
u32 bmcr;
if ((err = b44_readphy(bp, MII_BMCR, &bmcr)) != 0)
goto out;
bmcr &= ~(BMCR_FULLDPLX | BMCR_ANENABLE | BMCR_SPEED100);
if (bp->flags & B44_FLAG_100_BASE_T)
bmcr |= BMCR_SPEED100;
if (bp->flags & B44_FLAG_FULL_DUPLEX)
bmcr |= BMCR_FULLDPLX;
if ((err = b44_writephy(bp, MII_BMCR, bmcr)) != 0)
goto out;
/* Since we will not be negotiating there is no safe way
* to determine if the link partner supports flow control
* or not. So just disable it completely in this case.
*/
b44_set_flow_ctrl(bp, 0, 0);
}
out:
return err;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| jeff garzik | jeff garzik | 324 | 95.29% | 1 | 33.33% |
| michael buesch | michael buesch | 13 | 3.82% | 1 | 33.33% |
| hauke mehrtens | hauke mehrtens | 3 | 0.88% | 1 | 33.33% |
| Total | 340 | 100.00% | 3 | 100.00% |
static void b44_stats_update(struct b44 *bp)
{
unsigned long reg;
u64 *val;
val = &bp->hw_stats.tx_good_octets;
u64_stats_update_begin(&bp->hw_stats.syncp);
for (reg = B44_TX_GOOD_O; reg <= B44_TX_PAUSE; reg += 4UL) {
*val++ += br32(bp, reg);
}
/* Pad */
reg += 8*4UL;
for (reg = B44_RX_GOOD_O; reg <= B44_RX_NPAUSE; reg += 4UL) {
*val++ += br32(bp, reg);
}
u64_stats_update_end(&bp->hw_stats.syncp);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| jeff garzik | jeff garzik | 78 | 71.56% | 1 | 25.00% |
| kevin groeneveld | kevin groeneveld | 21 | 19.27% | 1 | 25.00% |
| francois romieu | francois romieu | 6 | 5.50% | 1 | 25.00% |
| stephen hemminger | stephen hemminger | 4 | 3.67% | 1 | 25.00% |
| Total | 109 | 100.00% | 4 | 100.00% |
static void b44_link_report(struct b44 *bp)
{
if (!netif_carrier_ok(bp->dev)) {
netdev_info(bp->dev, "Link is down\n");
} else {
netdev_info(bp->dev, "Link is up at %d Mbps, %s duplex\n",
(bp->flags & B44_FLAG_100_BASE_T) ? 100 : 10,
(bp->flags & B44_FLAG_FULL_DUPLEX) ? "full" : "half");
netdev_info(bp->dev, "Flow control is %s for TX and %s for RX\n",
(bp->flags & B44_FLAG_TX_PAUSE) ? "on" : "off",
(bp->flags & B44_FLAG_RX_PAUSE) ? "on" : "off");
}
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| joe perches | joe perches | 54 | 53.47% | 1 | 33.33% |
| jeff garzik | jeff garzik | 45 | 44.55% | 1 | 33.33% |
| michael buesch | michael buesch | 2 | 1.98% | 1 | 33.33% |
| Total | 101 | 100.00% | 3 | 100.00% |
static void b44_check_phy(struct b44 *bp)
{
u32 bmsr, aux;
if (bp->flags & B44_FLAG_EXTERNAL_PHY) {
bp->flags |= B44_FLAG_100_BASE_T;
if (!netif_carrier_ok(bp->dev)) {
u32 val = br32(bp, B44_TX_CTRL);
if (bp->flags & B44_FLAG_FULL_DUPLEX)
val |= TX_CTRL_DUPLEX;
else
val &= ~TX_CTRL_DUPLEX;
bw32(bp, B44_TX_CTRL, val);
netif_carrier_on(bp->dev);
b44_link_report(bp);
}
return;
}
if (!b44_readphy(bp, MII_BMSR, &bmsr) &&
!b44_readphy(bp, B44_MII_AUXCTRL, &aux) &&
(bmsr != 0xffff)) {
if (aux & MII_AUXCTRL_SPEED)
bp->flags |= B44_FLAG_100_BASE_T;
else
bp->flags &= ~B44_FLAG_100_BASE_T;
if (aux & MII_AUXCTRL_DUPLEX)
bp->flags |= B44_FLAG_FULL_DUPLEX;
else
bp->flags &= ~B44_FLAG_FULL_DUPLEX;
if (!netif_carrier_ok(bp->dev) &&
(bmsr & BMSR_LSTATUS)) {
u32 val = br32(bp, B44_TX_CTRL);
u32 local_adv, remote_adv;
if (bp->flags & B44_FLAG_FULL_DUPLEX)
val |= TX_CTRL_DUPLEX;
else
val &= ~TX_CTRL_DUPLEX;
bw32(bp, B44_TX_CTRL, val);
if (!(bp->flags & B44_FLAG_FORCE_LINK) &&
!b44_readphy(bp, MII_ADVERTISE, &local_adv) &&
!b44_readphy(bp, MII_LPA, &remote_adv))
b44_set_flow_ctrl(bp, local_adv, remote_adv);
/* Link now up */
netif_carrier_on(bp->dev);
b44_link_report(bp);
} else if (netif_carrier_ok(bp->dev) && !(bmsr & BMSR_LSTATUS)) {
/* Link now down */
netif_carrier_off(bp->dev);
b44_link_report(bp);
}
if (bmsr & BMSR_RFAULT)
netdev_warn(bp->dev, "Remote fault detected in PHY\n");
if (bmsr & BMSR_JCD)
netdev_warn(bp->dev, "Jabber detected in PHY\n");
}
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| jeff garzik | jeff garzik | 229 | 66.76% | 1 | 14.29% |
| michael buesch | michael buesch | 74 | 21.57% | 1 | 14.29% |
| hauke mehrtens | hauke mehrtens | 17 | 4.96% | 2 | 28.57% |
| joe perches | joe perches | 12 | 3.50% | 1 | 14.29% |
| pekka pietikainen | pekka pietikainen | 7 | 2.04% | 1 | 14.29% |
| stephen hemminger | stephen hemminger | 4 | 1.17% | 1 | 14.29% |
| Total | 343 | 100.00% | 7 | 100.00% |
static void b44_timer(unsigned long __opaque)
{
struct b44 *bp = (struct b44 *) __opaque;
spin_lock_irq(&bp->lock);
b44_check_phy(bp);
b44_stats_update(bp);
spin_unlock_irq(&bp->lock);
mod_timer(&bp->timer, round_jiffies(jiffies + HZ));
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| jeff garzik | jeff garzik | 56 | 88.89% | 1 | 50.00% |
| stephen hemminger | stephen hemminger | 7 | 11.11% | 1 | 50.00% |
| Total | 63 | 100.00% | 2 | 100.00% |
static void b44_tx(struct b44 *bp)
{
u32 cur, cons;
unsigned bytes_compl = 0, pkts_compl = 0;
cur = br32(bp, B44_DMATX_STAT) & DMATX_STAT_CDMASK;
cur /= sizeof(struct dma_desc);
/* XXX needs updating when NETIF_F_SG is supported */
for (cons = bp->tx_cons; cons != cur; cons = NEXT_TX(cons)) {
struct ring_info *rp = &bp->tx_buffers[cons];
struct sk_buff *skb = rp->skb;
BUG_ON(skb == NULL);
dma_unmap_single(bp->sdev->dma_dev,
rp->mapping,
skb->len,
DMA_TO_DEVICE);
rp->skb = NULL;
bytes_compl += skb->len;
pkts_compl++;
dev_kfree_skb_irq(skb);
}
netdev_completed_queue(bp->dev, pkts_compl, bytes_compl);
bp->tx_cons = cons;
if (netif_queue_stopped(bp->dev) &&
TX_BUFFS_AVAIL(bp) > B44_TX_WAKEUP_THRESH)
netif_wake_queue(bp->dev);
bw32(bp, B44_GPTIMER, 0);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| jeff garzik | jeff garzik | 142 | 77.60% | 1 | 14.29% |
| hauke mehrtens | hauke mehrtens | 29 | 15.85% | 1 | 14.29% |
| stephen hemminger | stephen hemminger | 4 | 2.19% | 1 | 14.29% |
| fujita tomonori | fujita tomonori | 3 | 1.64% | 1 | 14.29% |
| michael buesch | michael buesch | 3 | 1.64% | 1 | 14.29% |
| eric sesterhenn | eric sesterhenn | 1 | 0.55% | 1 | 14.29% |
| xander hover | xander hover | 1 | 0.55% | 1 | 14.29% |
| Total | 183 | 100.00% | 7 | 100.00% |
/* Works like this. This chip writes a 'struct rx_header" 30 bytes
* before the DMA address you give it. So we allocate 30 more bytes
* for the RX buffer, DMA map all of it, skb_reserve the 30 bytes, then
* point the chip at 30 bytes past where the rx_header will go.
*/
static int b44_alloc_rx_skb(struct b44 *bp, int src_idx, u32 dest_idx_unmasked)
{
struct dma_desc *dp;
struct ring_info *src_map, *map;
struct rx_header *rh;
struct sk_buff *skb;
dma_addr_t mapping;
int dest_idx;
u32 ctrl;
src_map = NULL;
if (src_idx >= 0)
src_map = &bp->rx_buffers[src_idx];
dest_idx = dest_idx_unmasked & (B44_RX_RING_SIZE - 1);
map = &bp->rx_buffers[dest_idx];
skb = netdev_alloc_skb(bp->dev, RX_PKT_BUF_SZ);
if (skb == NULL)
return -ENOMEM;
mapping = dma_map_single(bp->sdev->dma_dev, skb->data,
RX_PKT_BUF_SZ,
DMA_FROM_DEVICE);
/* Hardware bug work-around, the chip is unable to do PCI DMA
to/from anything above 1GB :-( */
if (dma_mapping_error(bp->sdev->dma_dev, mapping) ||
mapping + RX_PKT_BUF_SZ > DMA_BIT_MASK(30)) {
/* Sigh... */
if (!dma_mapping_error(bp->sdev->dma_dev, mapping))
dma_unmap_single(bp->sdev->dma_dev, mapping,
RX_PKT_BUF_SZ, DMA_FROM_DEVICE);
dev_kfree_skb_any(skb);
skb = alloc_skb(RX_PKT_BUF_SZ, GFP_ATOMIC | GFP_DMA);
if (skb == NULL)
return -ENOMEM;
mapping = dma_map_single(bp->sdev->dma_dev, skb->data,
RX_PKT_BUF_SZ,
DMA_FROM_DEVICE);
if (dma_mapping_error(bp->sdev->dma_dev, mapping) ||
mapping + RX_PKT_BUF_SZ > DMA_BIT_MASK(30)) {
if (!dma_mapping_error(bp->sdev->dma_dev, mapping))
dma_unmap_single(bp->sdev->dma_dev, mapping, RX_PKT_BUF_SZ,DMA_FROM_DEVICE);
dev_kfree_skb_any(skb);
return -ENOMEM;
}
bp->force_copybreak = 1;
}
rh = (struct rx_header *) skb->data;
rh->len = 0;
rh->flags = 0;
map->skb = skb;
map->mapping = mapping;
if (src_map != NULL)
src_map->skb = NULL;
ctrl = (DESC_CTRL_LEN & RX_PKT_BUF_SZ);
if (dest_idx == (B44_RX_RING_SIZE - 1))
ctrl |= DESC_CTRL_EOT;
dp = &bp->rx_ring[dest_idx];
dp->ctrl = cpu_to_le32(ctrl);
dp->addr = cpu_to_le32((u32) mapping + bp->dma_offset);
if (bp->flags & B44_FLAG_RX_RING_HACK)
b44_sync_dma_desc_for_device(bp->sdev, bp->rx_ring_dma,
dest_idx * sizeof(*dp),
DMA_BIDIRECTIONAL);
return RX_PKT_BUF_SZ;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| jeff garzik | jeff garzik | 202 | 46.65% | 1 | 7.14% |
| pekka pietikainen | pekka pietikainen | 80 | 18.48% | 1 | 7.14% |
| michael buesch | michael buesch | 28 | 6.47% | 3 | 21.43% |
| john w. linville | john w. linville | 27 | 6.24% | 1 | 7.14% |
| david s. miller | david s. miller | 27 | 6.24% | 1 | 7.14% |
| fujita tomonori | fujita tomonori | 24 | 5.54% | 1 | 7.14% |
| andi kleen | andi kleen | 22 | 5.08% | 1 | 7.14% |
| stephen hemminger | stephen hemminger | 8 | 1.85% | 2 | 14.29% |
| yang hongyang | yang hongyang | 8 | 1.85% | 1 | 7.14% |
| eric dumazet | eric dumazet | 7 | 1.62% | 2 | 14.29% |
| Total | 433 | 100.00% | 14 | 100.00% |
static void b44_recycle_rx(struct b44 *bp, int src_idx, u32 dest_idx_unmasked)
{
struct dma_desc *src_desc, *dest_desc;
struct ring_info *src_map, *dest_map;
struct rx_header *rh;
int dest_idx;
__le32 ctrl;
dest_idx = dest_idx_unmasked & (B44_RX_RING_SIZE - 1);
dest_desc = &bp->rx_ring[dest_idx];
dest_map = &bp->rx_buffers[dest_idx];
src_desc = &bp->rx_ring[src_idx];
src_map = &bp->rx_buffers[src_idx];
dest_map->skb = src_map->skb;
rh = (struct rx_header *) src_map->skb->data;
rh->len = 0;
rh->flags = 0;
dest_map->mapping = src_map->mapping;
if (bp->flags & B44_FLAG_RX_RING_HACK)
b44_sync_dma_desc_for_cpu(bp->sdev, bp->rx_ring_dma,
src_idx * sizeof(*src_desc),
DMA_BIDIRECTIONAL);
ctrl = src_desc->ctrl;
if (dest_idx == (B44_RX_RING_SIZE - 1))
ctrl |= cpu_to_le32(DESC_CTRL_EOT);
else
ctrl &= cpu_to_le32(~DESC_CTRL_EOT);
dest_desc->ctrl = ctrl;
dest_desc->addr = src_desc->addr;
src_map->skb = NULL;
if (bp->flags & B44_FLAG_RX_RING_HACK)
b44_sync_dma_desc_for_device(bp->sdev, bp->rx_ring_dma,
dest_idx * sizeof(*dest_desc),
DMA_BIDIRECTIONAL);
dma_sync_single_for_device(bp->sdev->dma_dev, dest_map->mapping,
RX_PKT_BUF_SZ,
DMA_FROM_DEVICE);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| jeff garzik | jeff garzik | 138 | 52.67% | 1 | 10.00% |
| john w. linville | john w. linville | 54 | 20.61% | 1 | 10.00% |
| david s. miller | david s. miller | 30 | 11.45% | 1 | 10.00% |
| pekka pietikainen | pekka pietikainen | 15 | 5.73% | 1 | 10.00% |
| michael buesch | michael buesch | 11 | 4.20% | 3 | 30.00% |
| andrew morton | andrew morton | 10 | 3.82% | 1 | 10.00% |
| fujita tomonori | fujita tomonori | 3 | 1.15% | 1 | 10.00% |
| al viro | al viro | 1 | 0.38% | 1 | 10.00% |
| Total | 262 | 100.00% | 10 | 100.00% |
static int b44_rx(struct b44 *bp, int budget)
{
int received;
u32 cons, prod;
received = 0;
prod = br32(bp, B44_DMARX_STAT) & DMARX_STAT_CDMASK;
prod /= sizeof(struct dma_desc);
cons = bp->rx_cons;
while (cons != prod && budget > 0) {
struct ring_info *rp = &bp->rx_buffers[cons];
struct sk_buff *skb = rp->skb;
dma_addr_t map = rp->mapping;
struct rx_header *rh;
u16 len;
dma_sync_single_for_cpu(bp->sdev->dma_dev, map,
RX_PKT_BUF_SZ,
DMA_FROM_DEVICE);
rh = (struct rx_header *) skb->data;
len = le16_to_cpu(rh->len);
if ((len > (RX_PKT_BUF_SZ - RX_PKT_OFFSET)) ||
(rh->flags & cpu_to_le16(RX_FLAG_ERRORS))) {
drop_it:
b44_recycle_rx(bp, cons, bp->rx_prod);
drop_it_no_recycle:
bp->dev->stats.rx_dropped++;
goto next_pkt;
}
if (len == 0) {
int i = 0;
do {
udelay(2);
barrier();
len = le16_to_cpu(rh->len);
} while (len == 0 && i++ < 5);
if (len == 0)
goto drop_it;
}
/* Omit CRC. */
len -= 4;
if (!bp->force_copybreak && len > RX_COPY_THRESHOLD) {
int skb_size;
skb_size = b44_alloc_rx_skb(bp, cons, bp->rx_prod);
if (skb_size < 0)
goto drop_it;
dma_unmap_single(bp->sdev->dma_dev, map,
skb_size, DMA_FROM_DEVICE);
/* Leave out rx_header */
skb_put(skb, len + RX_PKT_OFFSET);
skb_pull(skb, RX_PKT_OFFSET);
} else {
struct sk_buff *copy_skb;
b44_recycle_rx(bp, cons, bp->rx_prod);
copy_skb = napi_alloc_skb(&bp->napi, len);
if (copy_skb == NULL)
goto drop_it_no_recycle;
skb_put(copy_skb, len);
/* DMA sync done above, copy just the actual packet */
skb_copy_from_linear_data_offset(skb, RX_PKT_OFFSET,
copy_skb->data, len);
skb = copy_skb;
}
skb_checksum_none_assert(skb);
skb->protocol = eth_type_trans(skb, bp->dev);
netif_receive_skb(skb);
received++;
budget--;
next_pkt:
bp->rx_prod = (bp->rx_prod + 1) &
(B44_RX_RING_SIZE - 1);
cons = (cons + 1) & (B44_RX_RING_SIZE - 1);
}
bp->rx_cons = cons;
bw32(bp, B44_DMARX_PTR, cons * sizeof(struct dma_desc));
return received;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| jeff garzik | jeff garzik | 334 | 71.37% | 1 | 7.14% |
| david s. miller | david s. miller | 69 | 14.74% | 1 | 7.14% |
| pekka pietikainen | pekka pietikainen | 22 | 4.70% | 1 | 7.14% |
| eric dumazet | eric dumazet | 10 | 2.14% | 3 | 21.43% |
| stephen hemminger | stephen hemminger | 8 | 1.71% | 2 | 14.29% |
| fujita tomonori | fujita tomonori | 6 | 1.28% | 1 | 7.14% |
| arnaldo carvalho de melo | arnaldo carvalho de melo | 6 | 1.28% | 1 | 7.14% |
| michael buesch | michael buesch | 5 | 1.07% | 1 | 7.14% |
| alexander duyck | alexander duyck | 3 | 0.64% | 1 | 7.14% |
| hauke mehrtens | hauke mehrtens | 3 | 0.64% | 1 | 7.14% |
| al viro | al viro | 2 | 0.43% | 1 | 7.14% |
| Total | 468 | 100.00% | 14 | 100.00% |
static int b44_poll(struct napi_struct *napi, int budget)
{
struct b44 *bp = container_of(napi, struct b44, napi);
int work_done;
unsigned long flags;
spin_lock_irqsave(&bp->lock, flags);
if (bp->istat & (ISTAT_TX | ISTAT_TO)) {
/* spin_lock(&bp->tx_lock); */
b44_tx(bp);
/* spin_unlock(&bp->tx_lock); */
}
if (bp->istat & ISTAT_RFO) { /* fast recovery, in ~20msec */
bp->istat &= ~ISTAT_RFO;
b44_disable_ints(bp);
ssb_device_enable(bp->sdev, 0); /* resets ISTAT_RFO */
b44_init_rings(bp);
b44_init_hw(bp, B44_FULL_RESET_SKIP_PHY);
netif_wake_queue(bp->dev);
}
spin_unlock_irqrestore(&bp->lock, flags);
work_done = 0;
if (bp->istat & ISTAT_RX)
work_done += b44_rx(bp, budget);
if (bp->istat & ISTAT_ERRORS) {
spin_lock_irqsave(&bp->lock, flags);
b44_halt(bp);
b44_init_rings(bp);
b44_init_hw(bp, B44_FULL_RESET_SKIP_PHY);
netif_wake_queue(bp->dev);
spin_unlock_irqrestore(&bp->lock, flags);
work_done = 0;
}
if (work_done < budget) {
napi_complete(napi);
b44_enable_ints(bp);
}
return work_done;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| jeff garzik | jeff garzik | 116 | 50.66% | 2 | 20.00% |
| mark lord | mark lord | 52 | 22.71% | 1 | 10.00% |
| stephen hemminger | stephen hemminger | 21 | 9.17% | 1 | 10.00% |
| pekka pietikainen | pekka pietikainen | 21 | 9.17% | 1 | 10.00% |
| dongdong deng | dongdong deng | 10 | 4.37% | 1 | 10.00% |
| francois romieu | francois romieu | 6 | 2.62% | 1 | 10.00% |
| ben hutchings | ben hutchings | 1 | 0.44% | 1 | 10.00% |
| michael chan | michael chan | 1 | 0.44% | 1 | 10.00% |
| gary zambrano | gary zambrano | 1 | 0.44% | 1 | 10.00% |
| Total | 229 | 100.00% | 10 | 100.00% |
static irqreturn_t b44_interrupt(int irq, void *dev_id)
{
struct net_device *dev = dev_id;
struct b44 *bp = netdev_priv(dev);
u32 istat, imask;
int handled = 0;
spin_lock(&bp->lock);
istat = br32(bp, B44_ISTAT);
imask = br32(bp, B44_IMASK);
/* The interrupt mask register controls which interrupt bits
* will actually raise an interrupt to the CPU when set by hw/firmware,
* but doesn't mask off the bits.
*/
istat &= imask;
if (istat) {
handled = 1;
if (unlikely(!netif_running(dev))) {
netdev_info(dev, "late interrupt\n");
goto irq_ack;
}
if (napi_schedule_prep(&bp->napi)) {
/* NOTE: These writes are posted by the readback of
* the ISTAT register below.
*/
bp->istat = istat;
__b44_disable_ints(bp);
__napi_schedule(&bp->napi);
}
irq_ack:
bw32(bp, B44_ISTAT, istat);
br32(bp, B44_ISTAT);
}
spin_unlock(&bp->lock);
return IRQ_RETVAL(handled);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| jeff garzik | jeff garzik | 122 | 72.62% | 3 | 30.00% |
| francois romieu | francois romieu | 24 | 14.29% | 2 | 20.00% |
| stephen hemminger | stephen hemminger | 16 | 9.52% | 2 | 20.00% |
| joe perches | joe perches | 3 | 1.79% | 1 | 10.00% |
| ben hutchings | ben hutchings | 2 | 1.19% | 1 | 10.00% |
| johannes berg | johannes berg | 1 | 0.60% | 1 | 10.00% |
| Total | 168 | 100.00% | 10 | 100.00% |
static void b44_tx_timeout(struct net_device *dev)
{
struct b44 *bp = netdev_priv(dev);
netdev_err(dev, "transmit timed out, resetting\n");
spin_lock_irq(&bp->lock);
b44_halt(bp);
b44_init_rings(bp);
b44_init_hw(bp, B44_FULL_RESET);
spin_unlock_irq(&bp->lock);
b44_enable_ints(bp);
netif_wake_queue(dev);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| jeff garzik | jeff garzik | 60 | 84.51% | 2 | 33.33% |
| pekka pietikainen | pekka pietikainen | 5 | 7.04% | 1 | 16.67% |
| joe perches | joe perches | 4 | 5.63% | 1 | 16.67% |
| gary zambrano | gary zambrano | 1 | 1.41% | 1 | 16.67% |
| michael chan | michael chan | 1 | 1.41% | 1 | 16.67% |
| Total | 71 | 100.00% | 6 | 100.00% |
static netdev_tx_t b44_start_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct b44 *bp = netdev_priv(dev);
int rc = NETDEV_TX_OK;
dma_addr_t mapping;
u32 len, entry, ctrl;
unsigned long flags;
len = skb->len;
spin_lock_irqsave(&bp->lock, flags);
/* This is a hard error, log it. */
if (unlikely(TX_BUFFS_AVAIL(bp) < 1)) {
netif_stop_queue(dev);
netdev_err(dev, "BUG! Tx Ring full when queue awake!\n");
goto err_out;
}
mapping = dma_map_single(bp->sdev->dma_dev, skb->data, len, DMA_TO_DEVICE);
if (dma_mapping_error(bp->sdev->dma_dev, mapping) || mapping + len > DMA_BIT_MASK(30)) {
struct sk_buff *bounce_skb;
/* Chip can't handle DMA to/from >1GB, use bounce buffer */
if (!dma_mapping_error(bp->sdev->dma_dev, mapping))
dma_unmap_single(bp->sdev->dma_dev, mapping, len,
DMA_TO_DEVICE);
bounce_skb = alloc_skb(len, GFP_ATOMIC | GFP_DMA);
if (!bounce_skb)
goto err_out;
mapping = dma_map_single(bp->sdev->dma_dev, bounce_skb->data,
len, DMA_TO_DEVICE);
if (dma_mapping_error(bp->sdev->dma_dev, mapping) || mapping + len > DMA_BIT_MASK(30)) {
if (!dma_mapping_error(bp->sdev->dma_dev, mapping))
dma_unmap_single(bp->sdev->dma_dev, mapping,
len, DMA_TO_DEVICE);
dev_kfree_skb_any(bounce_skb);
goto err_out;
}
skb_copy_from_linear_data(skb, skb_put(bounce_skb, len), len);
dev_kfree_skb_any(skb);
skb = bounce_skb;
}
entry = bp->tx_prod;
bp->tx_buffers[entry].skb = skb;
bp->tx_buffers[entry].mapping = mapping;
ctrl = (len & DESC_CTRL_LEN);
ctrl |= DESC_CTRL_IOC | DESC_CTRL_SOF | DESC_CTRL_EOF;
if (entry == (B44_TX_RING_SIZE - 1))
ctrl |= DESC_CTRL_EOT;
bp->tx_ring[entry].ctrl = cpu_to_le32(ctrl);
bp->tx_ring[entry].addr = cpu_to_le32((u32) mapping+bp->dma_offset);
if (bp->flags & B44_FLAG_TX_RING_HACK)
b44_sync_dma_desc_for_device(bp->sdev, bp->tx_ring_dma,
entry * sizeof(bp->tx_ring[0]),
DMA_TO_DEVICE);
entry = NEXT_TX(entry);
bp->tx_prod = entry;
wmb();
bw32(bp, B44_DMATX_PTR, entry * sizeof(struct dma_desc));
if (bp->flags & B44_FLAG_BUGGY_TXPTR)
bw32(bp, B44_DMATX_PTR, entry * sizeof(struct dma_desc));
if (bp->flags & B44_FLAG_REORDER_BUG)
br32(bp, B44_DMATX_PTR);
netdev_sent_queue(dev, skb->len);
if (TX_BUFFS_AVAIL(bp) < 1)
netif_stop_queue(dev);
out_unlock:
spin_unlock_irqrestore(&bp->lock, flags);
return rc;
err_out:
rc = NETDEV_TX_BUSY;
goto out_unlock;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| jeff garzik | jeff garzik | 252 | 47.28% | 2 | 10.00% |
| andrew morton | andrew morton | 58 | 10.88% | 1 | 5.00% |
| pekka pietikainen | pekka pietikainen | 44 | 8.26% | 2 | 10.00% |
| john w. linville | john w. linville | 32 | 6.00% | 1 | 5.00% |
| michael buesch | michael buesch | 27 | 5.07% | 2 | 10.00% |
| francois romieu | francois romieu | 26 | 4.88% | 1 | 5.00% |
| fujita tomonori | fujita tomonori | 24 | 4.50% | 1 | 5.00% |
| andi kleen | andi kleen | 22 | 4.13% | 1 | 5.00% |
| stephen hemminger | stephen hemminger | 13 | 2.44% | 3 | 15.00% |
| dongdong deng | dongdong deng | 10 | 1.88% | 1 | 5.00% |
| hauke mehrtens | hauke mehrtens | 9 | 1.69% | 1 | 5.00% |
| yang hongyang | yang hongyang | 8 | 1.50% | 1 | 5.00% |
| joe perches | joe perches | 4 | 0.75% | 1 | 5.00% |
| arnaldo carvalho de melo | arnaldo carvalho de melo | 3 | 0.56% | 1 | 5.00% |
| eric dumazet | eric dumazet | 1 | 0.19% | 1 | 5.00% |
| Total | 533 | 100.00% | 20 | 100.00% |
static int b44_change_mtu(struct net_device *dev, int new_mtu)
{
struct b44 *bp = netdev_priv(dev);
if (new_mtu < B44_MIN_MTU || new_mtu > B44_MAX_MTU)
return -EINVAL;
if (!netif_running(dev)) {
/* We'll just catch it later when the
* device is up'd.
*/
dev->mtu = new_mtu;
return 0;
}
spin_lock_irq(&bp->lock);
b44_halt(bp);
dev->mtu = new_mtu;
b44_init_rings(bp);
b44_init_hw(bp, B44_FULL_RESET);
spin_unlock_irq(&bp->lock);
b44_enable_ints(bp);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| jeff garzik | jeff garzik | 98 | 93.33% | 2 | 40.00% |
| pekka pietikainen | pekka pietikainen | 5 | 4.76% | 1 | 20.00% |
| gary zambrano | gary zambrano | 1 | 0.95% | 1 | 20.00% |
| michael chan | michael chan | 1 | 0.95% | 1 | 20.00% |
| Total | 105 | 100.00% | 5 | 100.00% |
/* Free up pending packets in all rx/tx rings.
*
* The chip has been shut down and the driver detached from
* the networking, so no interrupts or new tx packets will
* end up in the driver. bp->lock is not held and we are not
* in an interrupt context and thus may sleep.
*/
static void b44_free_rings(struct b44 *bp)
{
struct ring_info *rp;
int i;
for (i = 0; i < B44_RX_RING_SIZE; i++) {
rp = &bp->rx_buffers[i];
if (rp->skb == NULL)
continue;
dma_unmap_single(bp->sdev->dma_dev, rp->mapping, RX_PKT_BUF_SZ,
DMA_FROM_DEVICE);
dev_kfree_skb_any(rp->skb);
rp->skb = NULL;
}
/* XXX needs changes once NETIF_F_SG is set... */
for (i = 0; i < B44_TX_RING_SIZE; i++) {
rp = &bp->tx_buffers[i];
if (rp->skb == NULL)
continue;
dma_unmap_single(bp->sdev->dma_dev, rp->mapping, rp->skb->len,
DMA_TO_DEVICE);
dev_kfree_skb_any(rp->skb);
rp->skb = NULL;
}
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| jeff garzik | jeff garzik | 140 | 92.11% | 1 | 33.33% |
| fujita tomonori | fujita tomonori | 6 | 3.95% | 1 | 33.33% |
| michael buesch | michael buesch | 6 | 3.95% | 1 | 33.33% |
| Total | 152 | 100.00% | 3 | 100.00% |
/* Initialize tx/rx rings for packet processing.
*
* The chip has been shut down and the driver detached from
* the networking, so no interrupts or new tx packets will
* end up in the driver.
*/
static void b44_init_rings(struct b44 *bp)
{
int i;
b44_free_rings(bp);
memset(bp->rx_ring, 0, B44_RX_RING_BYTES);
memset(bp->tx_ring, 0, B44_TX_RING_BYTES);
if (bp->flags & B44_FLAG_RX_RING_HACK)
dma_sync_single_for_device(bp->sdev->dma_dev, bp->rx_ring_dma,
DMA_TABLE_BYTES, DMA_BIDIRECTIONAL);
if (bp->flags & B44_FLAG_TX_RING_HACK)
dma_sync_single_for_device(bp->sdev->dma_dev, bp->tx_ring_dma,
DMA_TABLE_BYTES, DMA_TO_DEVICE);
for (i = 0; i < bp->rx_pending; i++) {
if (b44_alloc_rx_skb(bp, -1, i) < 0)
break;
}
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| jeff garzik | jeff garzik | 73 | 59.35% | 1 | 25.00% |
| john w. linville | john w. linville | 40 | 32.52% | 1 | 25.00% |
| fujita tomonori | fujita tomonori | 6 | 4.88% | 1 | 25.00% |
| michael buesch | michael buesch | 4 | 3.25% | 1 | 25.00% |
| Total | 123 | 100.00% | 4 | 100.00% |
/*
* Must not be invoked with interrupt sources disabled and
* the hardware shutdown down.
*/
static void b44_free_consistent(struct b44 *bp)
{
kfree(bp->rx_buffers);
bp->rx_buffers = NULL;
kfree(bp->tx_buffers);
bp->tx_buffers = NULL;
if (bp->rx_ring) {
if (bp->flags & B44_FLAG_RX_RING_HACK) {
dma_unmap_single(bp->sdev->dma_dev, bp->rx_ring_dma,
DMA_TABLE_BYTES, DMA_BIDIRECTIONAL);
kfree(bp->rx_ring);
} else
dma_free_coherent(bp->sdev->dma_dev, DMA_TABLE_BYTES,
bp->rx_ring, bp->rx_ring_dma);
bp->rx_ring = NULL;
bp->flags &= ~B44_FLAG_RX_RING_HACK;
}
if (bp->tx_ring) {
if (bp->flags & B44_FLAG_TX_RING_HACK) {
dma_unmap_single(bp->sdev->dma_dev, bp->tx_ring_dma,
DMA_TABLE_BYTES, DMA_TO_DEVICE);
kfree(bp->tx_ring);
} else
dma_free_coherent(bp->sdev->dma_dev, DMA_TABLE_BYTES,
bp->tx_ring, bp->tx_ring_dma);
bp->tx_ring = NULL;
bp->flags &= ~B44_FLAG_TX_RING_HACK;
}
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| jeff garzik | jeff garzik | 95 | 50.80% | 1 | 25.00% |
| john w. linville | john w. linville | 76 | 40.64% | 1 | 25.00% |
| fujita tomonori | fujita tomonori | 12 | 6.42% | 1 | 25.00% |
| michael buesch | michael buesch | 4 | 2.14% | 1 | 25.00% |
| Total | 187 | 100.00% | 4 | 100.00% |
/*
* Must not be invoked with interrupt sources disabled and
* the hardware shutdown down. Can sleep.
*/
static int b44_alloc_consistent(struct b44 *bp, gfp_t gfp)
{
int size;
size = B44_RX_RING_SIZE * sizeof(struct ring_info);
bp->rx_buffers = kzalloc(size, gfp);
if (!bp->rx_buffers)
goto out_err;
size = B44_TX_RING_SIZE * sizeof(struct ring_info);
bp->tx_buffers = kzalloc(size, gfp);
if (!bp->tx_buffers)
goto out_err;
size = DMA_TABLE_BYTES;
bp->rx_ring = dma_alloc_coherent(bp->sdev->dma_dev, size,
&bp->rx_ring_dma, gfp);
if (!bp->rx_ring) {
/* Allocation may have failed due to pci_alloc_consistent
insisting on use of GFP_DMA, which is more restrictive
than necessary... */
struct dma_desc *rx_ring;
dma_addr_t rx_ring_dma;
rx_ring = kzalloc(size, gfp);
if (!rx_ring)
goto out_err;
rx_ring_dma = dma_map_single(bp->sdev->dma_dev, rx_ring,
DMA_TABLE_BYTES,
DMA_BIDIRECTIONAL);
if (dma_mapping_error(bp->sdev->dma_dev, rx_ring_dma) ||
rx_ring_dma + size > DMA_BIT_MASK(30)) {
kfree(rx_ring);
goto out_err;
}
bp->rx_ring = rx_ring;
bp->rx_ring_dma = rx_ring_dma;
bp->flags |= B44_FLAG_RX_RING_HACK;
}
bp->tx_ring = dma_alloc_coherent(bp->sdev->dma_dev, size,
&bp->tx_ring_dma, gfp);
if (!bp->tx_ring) {
/* Allocation may have failed due to ssb_dma_alloc_consistent
insisting on use of GFP_DMA, which is more restrictive
than necessary... */
struct dma_desc *tx_ring;
dma_addr_t tx_ring_dma;
tx_ring = kzalloc(size, gfp);
if (!tx_ring)
goto out_err;
tx_ring_dma = dma_map_single(bp->sdev->dma_dev, tx_ring,
DMA_TABLE_BYTES,
DMA_TO_DEVICE);
if (dma_mapping_error(bp->sdev->dma_dev, tx_ring_dma) ||
tx_ring_dma + size > DMA_BIT_MASK(30)) {
kfree(tx_ring);
goto out_err;
}
bp->tx_ring = tx_ring;
bp->tx_ring_dma = tx_ring_dma;
bp->flags |= B44_FLAG_TX_RING_HACK;
}
return 0;
out_err:
b44_free_consistent(bp);
return -ENOMEM;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| jeff garzik | jeff garzik | 142 | 41.16% | 1 | 12.50% |
| john w. linville | john w. linville | 131 | 37.97% | 1 | 12.50% |
| michael buesch | michael buesch | 24 | 6.96% | 2 | 25.00% |
| fujita tomonori | fujita tomonori | 18 | 5.22% | 1 | 12.50% |
| francois romieu | francois romieu | 14 | 4.06% | 1 | 12.50% |
| andi kleen | andi kleen | 8 | 2.32% | 1 | 12.50% |
| yang hongyang | yang hongyang | 8 | 2.32% | 1 | 12.50% |
| Total | 345 | 100.00% | 8 | 100.00% |
/* bp->lock is held. */
static void b44_clear_stats(struct b44 *bp)
{
unsigned long reg;
bw32(bp, B44_MIB_CTRL, MIB_CTRL_CLR_ON_READ);
for (reg = B44_TX_GOOD_O; reg <= B44_TX_PAUSE; reg += 4UL)
br32(bp, reg);
for (reg = B44_RX_GOOD_O; reg <= B44_RX_NPAUSE; reg += 4UL)
br32(bp, reg);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| jeff garzik | jeff garzik | 60 | 90.91% | 1 | 50.00% |
| stephen hemminger | stephen hemminger | 6 | 9.09% | 1 | 50.00% |
| Total | 66 | 100.00% | 2 | 100.00% |
/* bp->lock is held. */
static void b44_chip_reset(struct b44 *bp, int reset_kind)
{
struct ssb_device *sdev = bp->sdev;
bool was_enabled;
was_enabled = ssb_device_is_enabled(bp->sdev);
ssb_device_enable(bp->sdev, 0);
ssb_pcicore_dev_irqvecs_enable(&sdev->bus->pcicore, sdev);
if (was_enabled) {
bw32(bp, B44_RCV_LAZY, 0);
bw32(bp, B44_ENET_CTRL, ENET_CTRL_DISABLE);
b44_wait_bit(bp, B44_ENET_CTRL, ENET_CTRL_DISABLE, 200, 1);
bw32(bp, B44_DMATX_CTRL, 0);
bp->tx_prod = bp->tx_cons = 0;
if (br32(bp, B44_DMARX_STAT) & DMARX_STAT_EMASK) {
b44_wait_bit(bp, B44_DMARX_STAT, DMARX_STAT_SIDLE,
100, 0);
}
bw32(bp, B44_DMARX_CTRL, 0);
bp->rx_prod = bp->rx_cons = 0;
}
b44_clear_stats(bp);
/*
* Don't enable PHY if we are doing a partial reset
* we are probably going to power down
*/
if (reset_kind == B44_CHIP_RESET_PARTIAL)
return;
switch (sdev->bus->bustype) {
case SSB_BUSTYPE_SSB:
bw32(bp, B44_MDIO_CTRL, (MDIO_CTRL_PREAMBLE |
(DIV_ROUND_CLOSEST(ssb_clockspeed(sdev->bus),
B44_MDC_RATIO)
& MDIO_CTRL_MAXF_MASK)));
break;
case SSB_BUSTYPE_PCI:
bw32(bp, B44_MDIO_CTRL, (MDIO_CTRL_PREAMBLE |
(0x0d & MDIO_CTRL_MAXF_MASK)));
break;
case SSB_BUSTYPE_PCMCIA:
case SSB_BUSTYPE_SDIO:
WARN_ON(1); /* A device with this bus does not exist. */
break;
}
br32(bp, B44_MDIO_CTRL);
if (!(br32(bp, B44_DEVCTRL) & DEVCTRL_IPP)) {
bw32(bp, B44_ENET_CTRL, ENET_CTRL_EPSEL);
br32(bp, B44_ENET_CTRL);
bp->flags |= B44_FLAG_EXTERNAL_PHY;
} else {
u32 val = br32(bp, B44_DEVCTRL);
if (val & DEVCTRL_EPR) {
bw32(bp, B44_DEVCTRL, (val & ~DEVCTRL_EPR));
br32(bp, B44_DEVCTRL);
udelay(100);
}
bp->flags &= ~B44_FLAG_EXTERNAL_PHY;
}
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| jeff garzik | jeff garzik | 193 | 56.10% | 1 | 10.00% |
| michael buesch | michael buesch | 93 | 27.03% | 3 | 30.00% |
| stephen hemminger | stephen hemminger | 26 | 7.56% | 1 | 10.00% |
| david s. miller | david s. miller | 11 | 3.20% | 1 | 10.00% |
| miguel boton | miguel boton | 11 | 3.20% | 1 | 10.00% |
| hauke mehrtens | hauke mehrtens | 5 | 1.45% | 1 | 10.00% |
| julia lawall | julia lawall | 4 | 1.16% | 1 | 10.00% |
| gary zambrano | gary zambrano | 1 | 0.29% | 1 | 10.00% |
| Total | 344 | 100.00% | 10 | 100.00% |
/* bp->lock is held. */
static void b44_halt(struct b44 *bp)
{
b44_disable_ints(bp);
/* reset PHY */
b44_phy_reset(bp);
/* power down PHY */
netdev_info(bp->dev, "powering down PHY\n");
bw32(bp, B44_MAC_CTRL, MAC_CTRL_PHY_PDOWN);
/* now reset the chip, but without enabling the MAC&PHY
* part of it. This has to be done _after_ we shut down the PHY */
if (bp->flags & B44_FLAG_EXTERNAL_PHY)
b44_chip_reset(bp, B44_CHIP_RESET_FULL);
else
b44_chip_reset(bp, B44_CHIP_RESET_PARTIAL);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| miguel boton | miguel boton | 22 | 33.85% | 1 | 25.00% |
| jeff garzik | jeff garzik | 21 | 32.31% | 1 | 25.00% |
| hauke mehrtens | hauke mehrtens | 16 | 24.62% | 1 | 25.00% |
| joe perches | joe perches | 6 | 9.23% | 1 | 25.00% |
| Total | 65 | 100.00% | 4 | 100.00% |
/* bp->lock is held. */
static void __b44_set_mac_addr(struct b44 *bp)
{
bw32(bp, B44_CAM_CTRL, 0);
if (!(bp->dev->flags & IFF_PROMISC)) {
u32 val;
__b44_cam_write(bp, bp->dev->dev_addr, 0);
val = br32(bp, B44_CAM_CTRL);
bw32(bp, B44_CAM_CTRL, val | CAM_CTRL_ENABLE);
}
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| jeff garzik | jeff garzik | 65 | 91.55% | 1 | 50.00% |
| stephen hemminger | stephen hemminger | 6 | 8.45% | 1 | 50.00% |
| Total | 71 | 100.00% | 2 | 100.00% |
static int b44_set_mac_addr(struct net_device *dev, void *p)
{
struct b44 *bp = netdev_priv(dev);
struct sockaddr *addr = p;
u32 val;
if (netif_running(dev))
return -EBUSY;
if (!is_valid_ether_addr(addr->sa_data))
return -EINVAL;
memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
spin_lock_irq(&bp->lock);
val = br32(bp, B44_RXCONFIG);
if (!(val & RXCONFIG_CAM_ABSENT))
__b44_set_mac_addr(bp);
spin_unlock_irq(&bp->lock);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| jeff garzik | jeff garzik | 82 | 70.09% | 2 | 50.00% |
| michael buesch | michael buesch | 21 | 17.95% | 1 | 25.00% |
| gary zambrano | gary zambrano | 14 | 11.97% | 1 | 25.00% |
| Total | 117 | 100.00% | 4 | 100.00% |
/* Called at device open time to get the chip ready for
* packet processing. Invoked with bp->lock held.
*/
static void __b44_set_rx_mode(struct net_device *);
static void b44_init_hw(struct b44 *bp, int reset_kind)
{
u32 val;
b44_chip_reset(bp, B44_CHIP_RESET_FULL);
if (reset_kind == B44_FULL_RESET) {
b44_phy_reset(bp);
b44_setup_phy(bp);
}
/* Enable CRC32, set proper LED modes and power on PHY */
bw32(bp, B44_MAC_CTRL, MAC_CTRL_CRC32_ENAB | MAC_CTRL_PHY_LEDCTRL);
bw32(bp, B44_RCV_LAZY, (1 << RCV_LAZY_FC_SHIFT));
/* This sets the MAC address too. */
__b44_set_rx_mode(bp->dev);
/* MTU + eth header + possible VLAN tag + struct rx_header */
bw32(bp, B44_RXMAXLEN, bp->dev->mtu + ETH_HLEN + 8 + RX_HEADER_LEN);
bw32(bp, B44_TXMAXLEN, bp->dev->mtu + ETH_HLEN + 8 + RX_HEADER_LEN);
bw32(bp, B44_TX_WMARK, 56); /* XXX magic */
if (reset_kind == B44_PARTIAL_RESET) {
bw32(bp, B44_DMARX_CTRL, (DMARX_CTRL_ENABLE |
(RX_PKT_OFFSET << DMARX_CTRL_ROSHIFT)));
} else {
bw32(bp, B44_DMATX_CTRL, DMATX_CTRL_ENABLE);
bw32(bp, B44_DMATX_ADDR, bp->tx_ring_dma + bp->dma_offset);
bw32(bp, B44_DMARX_CTRL, (DMARX_CTRL_ENABLE |
(RX_PKT_OFFSET << DMARX_CTRL_ROSHIFT)));
bw32(bp, B44_DMARX_ADDR, bp->rx_ring_dma + bp->dma_offset);
bw32(bp, B44_DMARX_PTR, bp->rx_pending);
bp->rx_prod = bp->rx_pending;
bw32(bp, B44_MIB_CTRL, MIB_CTRL_CLR_ON_READ);
}
val = br32(bp, B44_ENET_CTRL);
bw32(bp, B44_ENET_CTRL, (val | ENET_CTRL_ENABLE));
netdev_reset_queue(bp->dev);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| jeff garzik | jeff garzik | 176 | 66.42% | 1 | 10.00% |
| stephen hemminger | stephen hemminger | 28 | 10.57% | 2 | 20.00% |
| michael chan | michael chan | 26 | 9.81% | 1 | 10.00% |
| pekka pietikainen | pekka pietikainen | 13 | 4.91% | 2 | 20.00% |
| gary zambrano | gary zambrano | 12 | 4.53% | 1 | 10.00% |
| hauke mehrtens | hauke mehrtens | 7 | 2.64% | 1 | 10.00% |
| miguel boton | miguel boton | 2 | 0.75% | 1 | 10.00% |
| pavel machek | pavel machek | 1 | 0.38% | 1 | 10.00% |
| Total | 265 | 100.00% | 10 | 100.00% |
static int b44_open(struct net_device *dev)
{
struct b44 *bp = netdev_priv(dev);
int err;
err = b44_alloc_consistent(bp, GFP_KERNEL);
if (err)
goto out;
napi_enable(&bp->napi);
b44_init_rings(bp);
b44_init_hw(bp, B44_FULL_RESET);
b44_check_phy(bp);
err = request_irq(dev->irq, b44_interrupt, IRQF_SHARED, dev->name, dev);
if (unlikely(err < 0)) {
napi_disable(&bp->napi);
b44_chip_reset(bp, B44_CHIP_RESET_PARTIAL);
b44_free_rings(bp);
b44_free_consistent(bp);
goto out;
}
init_timer(&bp->timer);
bp->timer.expires = jiffies + HZ;
bp->timer.data = (unsigned long) bp;
bp->timer.function = b44_timer;
add_timer(&bp->timer);
b44_enable_ints(bp);
if (bp->flags & B44_FLAG_EXTERNAL_PHY)
phy_start(bp->phydev);
netif_start_queue(dev);
out:
return err;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| jeff garzik | jeff garzik | 122 | 61.31% | 3 | 23.08% |
| francois romieu | francois romieu | 30 | 15.08% | 1 | 7.69% |
| stephen hemminger | stephen hemminger | 16 | 8.04% | 1 | 7.69% |
| hauke mehrtens | hauke mehrtens | 15 | 7.54% | 1 | 7.69% |
| mark lord | mark lord | 5 | 2.51% | 1 | 7.69% |
| john w. linville | john w. linville | 4 | 2.01% | 1 | 7.69% |
| michael buesch | michael buesch | 2 | 1.01% | 1 | 7.69% |
| miguel boton | miguel boton | 2 | 1.01% | 1 | 7.69% |
| gary zambrano | gary zambrano | 1 | 0.50% | 1 | 7.69% |
| thomas gleixner | thomas gleixner | 1 | 0.50% | 1 | 7.69% |
| michael chan | michael chan | 1 | 0.50% | 1 | 7.69% |
| Total | 199 | 100.00% | 13 | 100.00% |
#ifdef CONFIG_NET_POLL_CONTROLLER
/*
* Polling receive - used by netconsole and other diagnostic tools
* to allow network i/o with interrupts disabled.
*/
static void b44_poll_controller(struct net_device *dev)
{
disable_irq(dev->irq);
b44_interrupt(dev->irq, dev);
enable_irq(dev->irq);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| con kolivas | con kolivas | 34 | 100.00% | 1 | 100.00% |
| Total | 34 | 100.00% | 1 | 100.00% |
#endif
static void bwfilter_table(struct b44 *bp, u8 *pp, u32 bytes, u32 table_offset)
{
u32 i;
u32 *pattern = (u32 *) pp;
for (i = 0; i < bytes; i += sizeof(u32)) {
bw32(bp, B44_FILT_ADDR, table_offset + i);
bw32(bp, B44_FILT_DATA, pattern[i / sizeof(u32)]);
}
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| gary zambrano | gary zambrano | 81 | 100.00% | 1 | 100.00% |
| Total | 81 | 100.00% | 1 | 100.00% |
static int b44_magic_pattern(u8 *macaddr, u8 *ppattern, u8 *pmask, int offset)
{
int magicsync = 6;
int k, j, len = offset;
int ethaddr_bytes = ETH_ALEN;
memset(ppattern + offset, 0xff, magicsync);
for (j = 0; j < magicsync; j++)
set_bit(len++, (unsigned long *) pmask);
for (j = 0; j < B44_MAX_PATTERNS; j++) {
if ((B44_PATTERN_SIZE - len) >= ETH_ALEN)
ethaddr_bytes = ETH_ALEN;
else
ethaddr_bytes = B44_PATTERN_SIZE - len;
if (ethaddr_bytes <=0)
break;
for (k = 0; k< ethaddr_bytes; k++) {
ppattern[offset + magicsync +
(j * ETH_ALEN) + k] = macaddr[k];
set_bit(len++, (unsigned long *) pmask);
}
}
return len - 1;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| gary zambrano | gary zambrano | 172 | 99.42% | 1 | 50.00% |
| stanislav brabec | stanislav brabec | 1 | 0.58% | 1 | 50.00% |
| Total | 173 | 100.00% | 2 | 100.00% |
/* Setup magic packet patterns in the b44 WOL
* pattern matching filter.
*/
static void b44_setup_pseudo_magicp(struct b44 *bp)
{
u32 val;
int plen0, plen1, plen2;
u8 *pwol_pattern;
u8 pwol_mask[B44_PMASK_SIZE];
pwol_pattern = kzalloc(B44_PATTERN_SIZE, GFP_KERNEL);
if (!pwol_pattern)
return;
/* Ipv4 magic packet pattern - pattern 0.*/
memset(pwol_mask, 0, B44_PMASK_SIZE);
plen0 = b44_magic_pattern(bp->dev->dev_addr, pwol_pattern, pwol_mask,
B44_ETHIPV4UDP_HLEN);
bwfilter_table(bp, pwol_pattern, B44_PATTERN_SIZE, B44_PATTERN_BASE);
bwfilter_table(bp, pwol_mask, B44_PMASK_SIZE, B44_PMASK_BASE);
/* Raw ethernet II magic packet pattern - pattern 1 */
memset(pwol_pattern, 0, B44_PATTERN_SIZE);
memset(pwol_mask, 0, B44_PMASK_SIZE);
plen1 = b44_magic_pattern(bp->dev->dev_addr, pwol_pattern, pwol_mask,
ETH_HLEN);
bwfilter_table(bp, pwol_pattern, B44_PATTERN_SIZE,
B44_PATTERN_BASE + B44_PATTERN_SIZE);
bwfilter_table(bp, pwol_mask, B44_PMASK_SIZE,
B44_PMASK_BASE + B44_PMASK_SIZE);
/* Ipv6 magic packet pattern - pattern 2 */
memset(pwol_pattern, 0, B44_PATTERN_SIZE);
memset(pwol_mask, 0, B44_PMASK_SIZE);
plen2 = b44_magic_pattern(bp->dev->dev_addr, pwol_pattern, pwol_mask,
B44_ETHIPV6UDP_HLEN);
bwfilter_table(bp, pwol_pattern, B44_PATTERN_SIZE,
B44_PATTERN_BASE + B44_PATTERN_SIZE + B44_PATTERN_SIZE);
bwfilter_table(bp, pwol_mask, B44_PMASK_SIZE,
B44_PMASK_BASE + B44_PMASK_SIZE + B44_PMASK_SIZE);
kfree(pwol_pattern);
/* set these pattern's lengths: one less than each real length */
val = plen0 | (plen1 << 8) | (plen2 << 16) | WKUP_LEN_ENABLE_THREE;
bw32(bp, B44_WKUP_LEN, val);
/* enable wakeup pattern matching */
val = br32(bp, B44_DEVCTRL);
bw32(bp, B44_DEVCTRL, val | DEVCTRL_PFE);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| gary zambrano | gary zambrano | 253 | 91.34% | 1 | 33.33% |
| michael buesch | michael buesch | 23 | 8.30% | 1 | 33.33% |
| yoann padioleau | yoann padioleau | 1 | 0.36% | 1 | 33.33% |
| Total | 277 | 100.00% | 3 | 100.00% |
#ifdef CONFIG_B44_PCI
static void b44_setup_wol_pci(struct b44 *bp)
{
u16 val;
if (bp->sdev->bus->bustype != SSB_BUSTYPE_SSB) {
bw32(bp, SSB_TMSLOW, br32(bp, SSB_TMSLOW) | SSB_TMSLOW_PE);
pci_read_config_word(bp->sdev->bus->host_pci, SSB_PMCSR, &val);
pci_write_config_word(bp->sdev->bus->host_pci, SSB_PMCSR, val | SSB_PE);
}
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| michael buesch | michael buesch | 61 | 79.22% | 1 | 50.00% |
| gary zambrano | gary zambrano | 16 | 20.78% | 1 | 50.00% |
| Total | 77 | 100.00% | 2 | 100.00% |
#else
static inline void b44_setup_wol_pci(struct b44 *bp) { }
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| michael buesch | michael buesch | 11 | 100.00% | 1 | 100.00% |
| Total | 11 | 100.00% | 1 | 100.00% |
#endif /* CONFIG_B44_PCI */
static void b44_setup_wol(struct b44 *bp)
{
u32 val;
bw32(bp, B44_RXCONFIG, RXCONFIG_ALLMULTI);
if (bp->flags & B44_FLAG_B0_ANDLATER) {
bw32(bp, B44_WKUP_LEN, WKUP_LEN_DISABLE);
val = bp->dev->dev_addr[2] << 24 |
bp->dev->dev_addr[3] << 16 |
bp->dev->dev_addr[4] << 8 |
bp->dev->dev_addr[5];
bw32(bp, B44_ADDR_LO, val);
val = bp->dev->dev_addr[0] << 8 |
bp->dev->dev_addr[1];
bw32(bp, B44_ADDR_HI, val);
val = br32(bp, B44_DEVCTRL);
bw32(bp, B44_DEVCTRL, val | DEVCTRL_MPM | DEVCTRL_PFE);
} else {
b44_setup_pseudo_magicp(bp);
}
b44_setup_wol_pci(bp);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| gary zambrano | gary zambrano | 160 | 99.38% | 2 | 66.67% |
| michael buesch | michael buesch | 1 | 0.62% | 1 | 33.33% |
| Total | 161 | 100.00% | 3 | 100.00% |
static int b44_close(struct net_device *dev)
{
struct b44 *bp = netdev_priv(dev);
netif_stop_queue(dev);
if (bp->flags & B44_FLAG_EXTERNAL_PHY)
phy_stop(bp->phydev);
napi_disable(&bp->napi);
del_timer_sync(&bp->timer);
spin_lock_irq(&bp->lock);
b44_halt(bp);
b44_free_rings(bp);
netif_carrier_off(dev);
spin_unlock_irq(&bp->lock);
free_irq(dev->irq, dev);
if (bp->flags & B44_FLAG_WOL_ENABLE) {
b44_init_hw(bp, B44_PARTIAL_RESET);
b44_setup_wol(bp);
}
b44_free_consistent(bp);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| jeff garzik | jeff garzik | 59 | 46.46% | 2 | 22.22% |
| david s. miller | david s. miller | 23 | 18.11% | 1 | 11.11% |
| gary zambrano | gary zambrano | 21 | 16.54% | 2 | 22.22% |
| hauke mehrtens | hauke mehrtens | 15 | 11.81% | 1 | 11.11% |
| stephen hemminger | stephen hemminger | 5 | 3.94% | 1 | 11.11% |
| francois romieu | francois romieu | 3 | 2.36% | 1 | 11.11% |
| michael chan | michael chan | 1 | 0.79% | 1 | 11.11% |
| Total | 127 | 100.00% | 9 | 100.00% |
static struct rtnl_link_stats64 *b44_get_stats64(struct net_device *dev,
struct rtnl_link_stats64 *nstat)
{
struct b44 *bp = netdev_priv(dev);
struct b44_hw_stats *hwstat = &bp->hw_stats;
unsigned int start;
do {
start = u64_stats_fetch_begin_irq(&hwstat->syncp);
/* Convert HW stats into rtnl_link_stats64 stats. */
nstat->rx_packets = hwstat->rx_pkts;
nstat->tx_packets = hwstat->tx_pkts;
nstat->rx_bytes = hwstat->rx_octets;
nstat->tx_bytes = hwstat->tx_octets;
nstat->tx_errors = (hwstat->tx_jabber_pkts +
hwstat->tx_oversize_pkts +
hwstat->tx_underruns +
hwstat->tx_excessive_cols +
hwstat->tx_late_cols);
nstat->multicast = hwstat->rx_multicast_pkts;
nstat->collisions = hwstat->tx_total_cols;
nstat->rx_length_errors = (hwstat->rx_oversize_pkts +
hwstat->rx_undersize);
nstat->rx_over_errors = hwstat->rx_missed_pkts;
nstat->rx_frame_errors = hwstat->rx_align_errs;
nstat->rx_crc_errors = hwstat->rx_crc_errs;
nstat->rx_errors = (hwstat->rx_jabber_pkts +
hwstat->rx_oversize_pkts +
hwstat->rx_missed_pkts +
hwstat->rx_crc_align_errs +
hwstat->rx_undersize +
hwstat->rx_crc_errs +
hwstat->rx_align_errs +
hwstat->rx_symbol_errs);
nstat->tx_aborted_errors = hwstat->tx_underruns;
#if 0
/* Carrier lost counter seems to be broken for some devices */
nstat->tx_carrier_errors = hwstat->tx_carrier_lost;
#endif
} while (u64_stats_fetch_retry_irq(&hwstat->syncp, start));
return nstat;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| jeff garzik | jeff garzik | 191 | 80.59% | 2 | 33.33% |
| kevin groeneveld | kevin groeneveld | 36 | 15.19% | 1 | 16.67% |
| florian schirmer | florian schirmer | 7 | 2.95% | 1 | 16.67% |
| eric w. biederman | eric w. biederman | 2 | 0.84% | 1 | 16.67% |
| mark einon | mark einon | 1 | 0.42% | 1 | 16.67% |
| Total | 237 | 100.00% | 6 | 100.00% |
static int __b44_load_mcast(struct b44 *bp, struct net_device *dev)
{
struct netdev_hw_addr *ha;
int i, num_ents;
num_ents = min_t(int, netdev_mc_count(dev), B44_MCAST_TABLE_SIZE);
i = 0;
netdev_for_each_mc_addr(ha, dev) {
if (i == num_ents)
break;
__b44_cam_write(bp, ha->addr, i++ + 1);
}
return i+1;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| jeff garzik | jeff garzik | 51 | 65.38% | 1 | 20.00% |
| jiri pirko | jiri pirko | 21 | 26.92% | 3 | 60.00% |
| pekka pietikainen | pekka pietikainen | 6 | 7.69% | 1 | 20.00% |
| Total | 78 | 100.00% | 5 | 100.00% |
static void __b44_set_rx_mode(struct net_device *dev)
{
struct b44 *bp = netdev_priv(dev);
u32 val;
val = br32(bp, B44_RXCONFIG);
val &= ~(RXCONFIG_PROMISC | RXCONFIG_ALLMULTI);
if ((dev->flags & IFF_PROMISC) || (val & RXCONFIG_CAM_ABSENT)) {
val |= RXCONFIG_PROMISC;
bw32(bp, B44_RXCONFIG, val);
} else {
unsigned char zero[6] = {0, 0, 0, 0, 0, 0};
int i = 1;
__b44_set_mac_addr(bp);
if ((dev->flags & IFF_ALLMULTI) ||
(netdev_mc_count(dev) > B44_MCAST_TABLE_SIZE))
val |= RXCONFIG_ALLMULTI;
else
i = __b44_load_mcast(bp, dev);
for (; i < 64; i++)
__b44_cam_write(bp, zero, i);
bw32(bp, B44_RXCONFIG, val);
val = br32(bp, B44_CAM_CTRL);
bw32(bp, B44_CAM_CTRL, val | CAM_CTRL_ENABLE);
}
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| jeff garzik | jeff garzik | 104 | 55.32% | 3 | 30.00% |
| pekka pietikainen | pekka pietikainen | 37 | 19.68% | 2 | 20.00% |
| francois romieu | francois romieu | 25 | 13.30% | 1 | 10.00% |
| stephen hemminger | stephen hemminger | 10 | 5.32% | 1 | 10.00% |
| michael buesch | michael buesch | 8 | 4.26% | 1 | 10.00% |
| jiri pirko | jiri pirko | 3 | 1.60% | 1 | 10.00% |
| bill helfinstine | bill helfinstine | 1 | 0.53% | 1 | 10.00% |
| Total | 188 | 100.00% | 10 | 100.00% |
static void b44_set_rx_mode(struct net_device *dev)
{
struct b44 *bp = netdev_priv(dev);
spin_lock_irq(&bp->lock);
__b44_set_rx_mode(dev);
spin_unlock_irq(&bp->lock);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| jeff garzik | jeff garzik | 42 | 100.00% | 2 | 100.00% |
| Total | 42 | 100.00% | 2 | 100.00% |
static u32 b44_get_msglevel(struct net_device *dev)
{
struct b44 *bp = netdev_priv(dev);
return bp->msg_enable;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| jeff garzik | jeff garzik | 26 | 100.00% | 2 | 100.00% |
| Total | 26 | 100.00% | 2 | 100.00% |
static void b44_set_msglevel(struct net_device *dev, u32 value)
{
struct b44 *bp = netdev_priv(dev);
bp->msg_enable = value;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| jeff garzik | jeff garzik | 30 | 100.00% | 2 | 100.00% |
| Total | 30 | 100.00% | 2 | 100.00% |
static void b44_get_drvinfo (struct net_device *dev, struct ethtool_drvinfo *info)
{
struct b44 *bp = netdev_priv(dev);
struct ssb_bus *bus = bp->sdev->bus;
strlcpy(info->driver, DRV_MODULE_NAME, sizeof(info->driver));
strlcpy(info->version, DRV_MODULE_VERSION, sizeof(info->version));
switch (bus->bustype) {
case SSB_BUSTYPE_PCI:
strlcpy(info->bus_info, pci_name(bus->host_pci), sizeof(info->bus_info));
break;
case SSB_BUSTYPE_SSB:
strlcpy(info->bus_info, "SSB", sizeof(info->bus_info));
break;
case SSB_BUSTYPE_PCMCIA:
case SSB_BUSTYPE_SDIO:
WARN_ON(1); /* A device with this bus does not exist. */
break;
}
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| michael buesch | michael buesch | 72 | 53.33% | 2 | 40.00% |
| jeff garzik | jeff garzik | 58 | 42.96% | 2 | 40.00% |
| roel kluin | roel kluin | 5 | 3.70% | 1 | 20.00% |
| Total | 135 | 100.00% | 5 | 100.00% |
static int b44_nway_reset(struct net_device *dev)
{
struct b44 *bp = netdev_priv(dev);
u32 bmcr;
int r;
spin_lock_irq(&bp->lock);
b44_readphy(bp, MII_BMCR, &bmcr);
b44_readphy(bp, MII_BMCR, &bmcr);
r = -EINVAL;
if (bmcr & BMCR_ANENABLE) {
b44_writephy(bp, MII_BMCR,
bmcr | BMCR_ANRESTART);
r = 0;
}
spin_unlock_irq(&bp->lock);
return r;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| jeff garzik | jeff garzik | 92 | 97.87% | 2 | 66.67% |
| randy dunlap | randy dunlap | 2 | 2.13% | 1 | 33.33% |
| Total | 94 | 100.00% | 3 | 100.00% |
static int b44_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
{
struct b44 *bp = netdev_priv(dev);
if (bp->flags & B44_FLAG_EXTERNAL_PHY) {
BUG_ON(!bp->phydev);
return phy_ethtool_gset(bp->phydev, cmd);
}
cmd->supported = (SUPPORTED_Autoneg);
cmd->supported |= (SUPPORTED_100baseT_Half |
SUPPORTED_100baseT_Full |
SUPPORTED_10baseT_Half |
SUPPORTED_10baseT_Full |
SUPPORTED_MII);
cmd->advertising = 0;
if (bp->flags & B44_FLAG_ADV_10HALF)
cmd->advertising |= ADVERTISED_10baseT_Half;
if (bp->flags & B44_FLAG_ADV_10FULL)
cmd->advertising |= ADVERTISED_10baseT_Full;
if (bp->flags & B44_FLAG_ADV_100HALF)
cmd->advertising |= ADVERTISED_100baseT_Half;
if (bp->flags & B44_FLAG_ADV_100FULL)
cmd->advertising |= ADVERTISED_100baseT_Full;
cmd->advertising |= ADVERTISED_Pause | ADVERTISED_Asym_Pause;
ethtool_cmd_speed_set(cmd, ((bp->flags & B44_FLAG_100_BASE_T) ?
SPEED_100 : SPEED_10));
cmd->duplex = (bp->flags & B44_FLAG_FULL_DUPLEX) ?
DUPLEX_FULL : DUPLEX_HALF;
cmd->port = 0;
cmd->phy_address = bp->phy_addr;
cmd->transceiver = (bp->flags & B44_FLAG_EXTERNAL_PHY) ?
XCVR_EXTERNAL : XCVR_INTERNAL;
cmd->autoneg = (bp->flags & B44_FLAG_FORCE_LINK) ?
AUTONEG_DISABLE : AUTONEG_ENABLE;
if (cmd->autoneg == AUTONEG_ENABLE)
cmd->advertising |= ADVERTISED_Autoneg;
if (!netif_running(dev)){
ethtool_cmd_speed_set(cmd, 0);
cmd->duplex = 0xff;
}
cmd->maxtxpkt = 0;
cmd->maxrxpkt = 0;
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| jeff garzik | jeff garzik | 201 | 71.53% | 2 | 28.57% |
| gary zambrano | gary zambrano | 33 | 11.74% | 1 | 14.29% |
| hauke mehrtens | hauke mehrtens | 31 | 11.03% | 2 | 28.57% |
| david decotigny | david decotigny | 10 | 3.56% | 1 | 14.29% |
| matthew wilcox | matthew wilcox | 6 | 2.14% | 1 | 14.29% |
| Total | 281 | 100.00% | 7 | 100.00% |
static int b44_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
{
struct b44 *bp = netdev_priv(dev);
u32 speed;
int ret;
if (bp->flags & B44_FLAG_EXTERNAL_PHY) {
BUG_ON(!bp->phydev);
spin_lock_irq(&bp->lock);
if (netif_running(dev))
b44_setup_phy(bp);
ret = phy_ethtool_sset(bp->phydev, cmd);
spin_unlock_irq(&bp->lock);
return ret;
}
speed = ethtool_cmd_speed(cmd);
/* We do not support gigabit. */
if (cmd->autoneg == AUTONEG_ENABLE) {
if (cmd->advertising &
(ADVERTISED_1000baseT_Half |
ADVERTISED_1000baseT_Full))
return -EINVAL;
} else if ((speed != SPEED_100 &&
speed != SPEED_10) ||
(cmd->duplex != DUPLEX_HALF &&
cmd->duplex != DUPLEX_FULL)) {
return -EINVAL;
}
spin_lock_irq(&bp->lock);
if (cmd->autoneg == AUTONEG_ENABLE) {
bp->flags &= ~(B44_FLAG_FORCE_LINK |
B44_FLAG_100_BASE_T |
B44_FLAG_FULL_DUPLEX |
B44_FLAG_ADV_10HALF |
B44_FLAG_ADV_10FULL |
B44_FLAG_ADV_100HALF |
B44_FLAG_ADV_100FULL);
if (cmd->advertising == 0) {
bp->flags |= (B44_FLAG_ADV_10HALF |
B44_FLAG_ADV_10FULL |
B44_FLAG_ADV_100HALF |
B44_FLAG_ADV_100FULL);
} else {
if (cmd->advertising & ADVERTISED_10baseT_Half)
bp->flags |= B44_FLAG_ADV_10HALF;
if (cmd->advertising & ADVERTISED_10baseT_Full)
bp->flags |= B44_FLAG_ADV_10FULL;
if (cmd->advertising & ADVERTISED_100baseT_Half)
bp->flags |= B44_FLAG_ADV_100HALF;
if (cmd->advertising & ADVERTISED_100baseT_Full)
bp->flags |= B44_FLAG_ADV_100FULL;
}
} else {
bp->flags |= B44_FLAG_FORCE_LINK;
bp->flags &= ~(B44_FLAG_100_BASE_T | B44_FLAG_FULL_DUPLEX);
if (speed == SPEED_100)
bp->flags |= B44_FLAG_100_BASE_T;
if (cmd->duplex == DUPLEX_FULL)
bp->flags |= B44_FLAG_FULL_DUPLEX;
}
if (netif_running(dev))
b44_setup_phy(bp);
spin_unlock_irq(&bp->lock);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| jeff garzik | jeff garzik | 227 | 64.86% | 2 | 40.00% |
| hauke mehrtens | hauke mehrtens | 67 | 19.14% | 1 | 20.00% |
| gary zambrano | gary zambrano | 50 | 14.29% | 1 | 20.00% |
| david decotigny | david decotigny | 6 | 1.71% | 1 | 20.00% |
| Total | 350 | 100.00% | 5 | 100.00% |
static void b44_get_ringparam(struct net_device *dev,
struct ethtool_ringparam *ering)
{
struct b44 *bp = netdev_priv(dev);
ering->rx_max_pending = B44_RX_RING_SIZE - 1;
ering->rx_pending = bp->rx_pending;
/* XXX ethtool lacks a tx_max_pending, oops... */
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| jeff garzik | jeff garzik | 43 | 100.00% | 2 | 100.00% |
| Total | 43 | 100.00% | 2 | 100.00% |
static int b44_set_ringparam(struct net_device *dev,
struct ethtool_ringparam *ering)
{
struct b44 *bp = netdev_priv(dev);
if ((ering->rx_pending > B44_RX_RING_SIZE - 1) ||
(ering->rx_mini_pending != 0) ||
(ering->rx_jumbo_pending != 0) ||
(ering->tx_pending > B44_TX_RING_SIZE - 1))
return -EINVAL;
spin_lock_irq(&bp->lock);
bp->rx_pending = ering->rx_pending;
bp->tx_pending = ering->tx_pending;
b44_halt(bp);
b44_init_rings(bp);
b44_init_hw(bp, B44_FULL_RESET);
netif_wake_queue(bp->dev);
spin_unlock_irq(&bp->lock);
b44_enable_ints(bp);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| jeff garzik | jeff garzik | 125 | 94.70% | 2 | 40.00% |
| pekka pietikainen | pekka pietikainen | 5 | 3.79% | 1 | 20.00% |
| michael chan | michael chan | 1 | 0.76% | 1 | 20.00% |
| gary zambrano | gary zambrano | 1 | 0.76% | 1 | 20.00% |
| Total | 132 | 100.00% | 5 | 100.00% |
static void b44_get_pauseparam(struct net_device *dev,
struct ethtool_pauseparam *epause)
{
struct b44 *bp = netdev_priv(dev);
epause->autoneg =
(bp->flags & B44_FLAG_PAUSE_AUTO) != 0;
epause->rx_pause =
(bp->flags & B44_FLAG_RX_PAUSE) != 0;
epause->tx_pause =
(bp->flags & B44_FLAG_TX_PAUSE) != 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| jeff garzik | jeff garzik | 68 | 100.00% | 2 | 100.00% |
| Total | 68 | 100.00% | 2 | 100.00% |
static int b44_set_pauseparam(struct net_device *dev,
struct ethtool_pauseparam *epause)
{
struct b44 *bp = netdev_priv(dev);
spin_lock_irq(&bp->lock);
if (epause->autoneg)
bp->flags |= B44_FLAG_PAUSE_AUTO;
else
bp->flags &= ~B44_FLAG_PAUSE_AUTO;
if (epause->rx_pause)
bp->flags |= B44_FLAG_RX_PAUSE;
else
bp->flags &= ~B44_FLAG_RX_PAUSE;
if (epause->tx_pause)
bp->flags |= B44_FLAG_TX_PAUSE;
else
bp->flags &= ~B44_FLAG_TX_PAUSE;
if (bp->flags & B44_FLAG_PAUSE_AUTO) {
b44_halt(bp);
b44_init_rings(bp);
b44_init_hw(bp, B44_FULL_RESET);
} else {
__b44_set_flow_ctrl(bp, bp->flags);
}
spin_unlock_irq(&bp->lock);
b44_enable_ints(bp);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| jeff garzik | jeff garzik | 142 | 95.30% | 2 | 40.00% |
| pekka pietikainen | pekka pietikainen | 5 | 3.36% | 1 | 20.00% |
| gary zambrano | gary zambrano | 1 | 0.67% | 1 | 20.00% |
| michael chan | michael chan | 1 | 0.67% | 1 | 20.00% |
| Total | 149 | 100.00% | 5 | 100.00% |
static void b44_get_strings(struct net_device *dev, u32 stringset, u8 *data)
{
switch(stringset) {
case ETH_SS_STATS:
memcpy(data, *b44_gstrings, sizeof(b44_gstrings));
break;
}
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| francois romieu | francois romieu | 41 | 100.00% | 1 | 100.00% |
| Total | 41 | 100.00% | 1 | 100.00% |
static int b44_get_sset_count(struct net_device *dev, int sset)
{
switch (sset) {
case ETH_SS_STATS:
return ARRAY_SIZE(b44_gstrings);
default:
return -EOPNOTSUPP;
}
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| jeff garzik | jeff garzik | 18 | 52.94% | 1 | 50.00% |
| francois romieu | francois romieu | 16 | 47.06% | 1 | 50.00% |
| Total | 34 | 100.00% | 2 | 100.00% |
static void b44_get_ethtool_stats(struct net_device *dev,
struct ethtool_stats *stats, u64 *data)
{
struct b44 *bp = netdev_priv(dev);
struct b44_hw_stats *hwstat = &bp->hw_stats;
u64 *data_src, *data_dst;
unsigned int start;
u32 i;
spin_lock_irq(&bp->lock);
b44_stats_update(bp);
spin_unlock_irq(&bp->lock);
do {
data_src = &hwstat->tx_good_octets;
data_dst = data;
start = u64_stats_fetch_begin_irq(&hwstat->syncp);
for (i = 0; i < ARRAY_SIZE(b44_gstrings); i++)
*data_dst++ = *data_src++;
} while (u64_stats_fetch_retry_irq(&hwstat->syncp, start));
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| francois romieu | francois romieu | 79 | 58.09% | 1 | 33.33% |
| kevin groeneveld | kevin groeneveld | 55 | 40.44% | 1 | 33.33% |
| eric w. biederman | eric w. biederman | 2 | 1.47% | 1 | 33.33% |
| Total | 136 | 100.00% | 3 | 100.00% |
static void b44_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
{
struct b44 *bp = netdev_priv(dev);
wol->supported = WAKE_MAGIC;
if (bp->flags & B44_FLAG_WOL_ENABLE)
wol->wolopts = WAKE_MAGIC;
else
wol->wolopts = 0;
memset(&wol->sopass, 0, sizeof(wol->sopass));
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| gary zambrano | gary zambrano | 70 | 100.00% | 1 | 100.00% |
| Total | 70 | 100.00% | 1 | 100.00% |
static int b44_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
{
struct b44 *bp = netdev_priv(dev);
spin_lock_irq(&bp->lock);
if (wol->wolopts & WAKE_MAGIC)
bp->flags |= B44_FLAG_WOL_ENABLE;
else
bp->flags &= ~B44_FLAG_WOL_ENABLE;
spin_unlock_irq(&bp->lock);
device_set_wakeup_enable(bp->sdev->dev, wol->wolopts & WAKE_MAGIC);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| gary zambrano | gary zambrano | 67 | 81.71% | 1 | 50.00% |
| andrey skvortsov | andrey skvortsov | 15 | 18.29% | 1 | 50.00% |
| Total | 82 | 100.00% | 2 | 100.00% |
static const struct ethtool_ops b44_ethtool_ops = {
.get_drvinfo = b44_get_drvinfo,
.get_settings = b44_get_settings,
.set_settings = b44_set_settings,
.nway_reset = b44_nway_reset,
.get_link = ethtool_op_get_link,
.get_wol = b44_get_wol,
.set_wol = b44_set_wol,
.get_ringparam = b44_get_ringparam,
.set_ringparam = b44_set_ringparam,
.get_pauseparam = b44_get_pauseparam,
.set_pauseparam = b44_set_pauseparam,
.get_msglevel = b44_get_msglevel,
.set_msglevel = b44_set_msglevel,
.get_strings = b44_get_strings,
.get_sset_count = b44_get_sset_count,
.get_ethtool_stats = b44_get_ethtool_stats,
};
static int b44_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
{
struct b44 *bp = netdev_priv(dev);
int err = -EINVAL;
if (!netif_running(dev))
goto out;
spin_lock_irq(&bp->lock);
if (bp->flags & B44_FLAG_EXTERNAL_PHY) {
BUG_ON(!bp->phydev);
err = phy_mii_ioctl(bp->phydev, ifr, cmd);
} else {
err = generic_mii_ioctl(&bp->mii_if, if_mii(ifr), cmd, NULL);
}
spin_unlock_irq(&bp->lock);
out:
return err;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| jeff garzik | jeff garzik | 66 | 55.00% | 3 | 60.00% |
| hauke mehrtens | hauke mehrtens | 38 | 31.67% | 1 | 20.00% |
| francois romieu | francois romieu | 16 | 13.33% | 1 | 20.00% |
| Total | 120 | 100.00% | 5 | 100.00% |
static int b44_get_invariants(struct b44 *bp)
{
struct ssb_device *sdev = bp->sdev;
int err = 0;
u8 *addr;
bp->dma_offset = ssb_dma_translation(sdev);
if (sdev->bus->bustype == SSB_BUSTYPE_SSB &&
instance > 1) {
addr = sdev->bus->sprom.et1mac;
bp->phy_addr = sdev->bus->sprom.et1phyaddr;
} else {
addr = sdev->bus->sprom.et0mac;
bp->phy_addr = sdev->bus->sprom.et0phyaddr;
}
/* Some ROMs have buggy PHY addresses with the high
* bits set (sign extension?). Truncate them to a
* valid PHY address. */
bp->phy_addr &= 0x1F;
memcpy(bp->dev->dev_addr, addr, ETH_ALEN);
if (!is_valid_ether_addr(&bp->dev->dev_addr[0])){
pr_err("Invalid MAC address found in EEPROM\n");
return -EINVAL;
}
bp->imask = IMASK_DEF;
/* XXX - really required?
bp->flags |= B44_FLAG_BUGGY_TXPTR;
*/
if (bp->sdev->id.revision >= 7)
bp->flags |= B44_FLAG_B0_ANDLATER;
return err;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| michael buesch | michael buesch | 80 | 45.45% | 2 | 28.57% |
| jeff garzik | jeff garzik | 56 | 31.82% | 1 | 14.29% |
| gary zambrano | gary zambrano | 37 | 21.02% | 2 | 28.57% |
| joe perches | joe perches | 3 | 1.70% | 2 | 28.57% |
| Total | 176 | 100.00% | 7 | 100.00% |
static const struct net_device_ops b44_netdev_ops = {
.ndo_open = b44_open,
.ndo_stop = b44_close,
.ndo_start_xmit = b44_start_xmit,
.ndo_get_stats64 = b44_get_stats64,
.ndo_set_rx_mode = b44_set_rx_mode,
.ndo_set_mac_address = b44_set_mac_addr,
.ndo_validate_addr = eth_validate_addr,
.ndo_do_ioctl = b44_ioctl,
.ndo_tx_timeout = b44_tx_timeout,
.ndo_change_mtu = b44_change_mtu,
#ifdef CONFIG_NET_POLL_CONTROLLER
.ndo_poll_controller = b44_poll_controller,
#endif
};
static void b44_adjust_link(struct net_device *dev)
{
struct b44 *bp = netdev_priv(dev);
struct phy_device *phydev = bp->phydev;
bool status_changed = 0;
BUG_ON(!phydev);
if (bp->old_link != phydev->link) {
status_changed = 1;
bp->old_link = phydev->link;
}
/* reflect duplex change */
if (phydev->link) {
if ((phydev->duplex == DUPLEX_HALF) &&
(bp->flags & B44_FLAG_FULL_DUPLEX)) {
status_changed = 1;
bp->flags &= ~B44_FLAG_FULL_DUPLEX;
} else if ((phydev->duplex == DUPLEX_FULL) &&
!(bp->flags & B44_FLAG_FULL_DUPLEX)) {
status_changed = 1;
bp->flags |= B44_FLAG_FULL_DUPLEX;
}
}
if (status_changed) {
u32 val = br32(bp, B44_TX_CTRL);
if (bp->flags & B44_FLAG_FULL_DUPLEX)
val |= TX_CTRL_DUPLEX;
else
val &= ~TX_CTRL_DUPLEX;
bw32(bp, B44_TX_CTRL, val);
phy_print_status(phydev);
}
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| hauke mehrtens | hauke mehrtens | 182 | 98.38% | 2 | 66.67% |
| jeff garzik | jeff garzik | 3 | 1.62% | 1 | 33.33% |
| Total | 185 | 100.00% | 3 | 100.00% |
static int b44_register_phy_one(struct b44 *bp)
{
struct mii_bus *mii_bus;
struct ssb_device *sdev = bp->sdev;
struct phy_device *phydev;
char bus_id[MII_BUS_ID_SIZE + 3];
struct ssb_sprom *sprom = &sdev->bus->sprom;
int err;
mii_bus = mdiobus_alloc();
if (!mii_bus) {
dev_err(sdev->dev, "mdiobus_alloc() failed\n");
err = -ENOMEM;
goto err_out;
}
mii_bus->priv = bp;
mii_bus->read = b44_mdio_read_phylib;
mii_bus->write = b44_mdio_write_phylib;
mii_bus->name = "b44_eth_mii";
mii_bus->parent = sdev->dev;
mii_bus->phy_mask = ~(1 << bp->phy_addr);
snprintf(mii_bus->id, MII_BUS_ID_SIZE, "%x", instance);
bp->mii_bus = mii_bus;
err = mdiobus_register(mii_bus);
if (err) {
dev_err(sdev->dev, "failed to register MII bus\n");
goto err_out_mdiobus;
}
if (!mdiobus_is_registered_device(bp->mii_bus, bp->phy_addr) &&
(sprom->boardflags_lo & (B44_BOARDFLAG_ROBO | B44_BOARDFLAG_ADM))) {
dev_info(sdev->dev,
"could not find PHY at %i, use fixed one\n",
bp->phy_addr);
bp->phy_addr = 0;
snprintf(bus_id, sizeof(bus_id), PHY_ID_FMT, "fixed-0",
bp->phy_addr);
} else {
snprintf(bus_id, sizeof(bus_id), PHY_ID_FMT, mii_bus->id,
bp->phy_addr);
}
phydev = phy_connect(bp->dev, bus_id, &b44_adjust_link,
PHY_INTERFACE_MODE_MII);
if (IS_ERR(phydev)) {
dev_err(sdev->dev, "could not attach PHY at %i\n",
bp->phy_addr);
err = PTR_ERR(phydev);
goto err_out_mdiobus_unregister;
}
/* mask with MAC supported features */
phydev->supported &= (SUPPORTED_100baseT_Half |
SUPPORTED_100baseT_Full |
SUPPORTED_Autoneg |
SUPPORTED_MII);
phydev->advertising = phydev->supported;
bp->phydev = phydev;
bp->old_link = 0;
bp->phy_addr = phydev->mdio.addr;
phy_attached_info(phydev);
return 0;
err_out_mdiobus_unregister:
mdiobus_unregister(mii_bus);
err_out_mdiobus:
mdiobus_free(mii_bus);
err_out:
return err;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| hauke mehrtens | hauke mehrtens | 371 | 97.89% | 2 | 33.33% |
| andrew lunn | andrew lunn | 8 | 2.11% | 4 | 66.67% |
| Total | 379 | 100.00% | 6 | 100.00% |
static void b44_unregister_phy_one(struct b44 *bp)
{
struct mii_bus *mii_bus = bp->mii_bus;
phy_disconnect(bp->phydev);
mdiobus_unregister(mii_bus);
mdiobus_free(mii_bus);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| hauke mehrtens | hauke mehrtens | 37 | 100.00% | 1 | 100.00% |
| Total | 37 | 100.00% | 1 | 100.00% |
static int b44_init_one(struct ssb_device *sdev,
const struct ssb_device_id *ent)
{
struct net_device *dev;
struct b44 *bp;
int err;
instance++;
pr_info_once("%s version %s\n", DRV_DESCRIPTION, DRV_MODULE_VERSION);
dev = alloc_etherdev(sizeof(*bp));
if (!dev) {
err = -ENOMEM;
goto out;
}
SET_NETDEV_DEV(dev, sdev->dev);
/* No interesting netdevice features in this card... */
dev->features |= 0;
bp = netdev_priv(dev);
bp->sdev = sdev;
bp->dev = dev;
bp->force_copybreak = 0;
bp->msg_enable = netif_msg_init(b44_debug, B44_DEF_MSG_ENABLE);
spin_lock_init(&bp->lock);
bp->rx_pending = B44_DEF_RX_RING_PENDING;
bp->tx_pending = B44_DEF_TX_RING_PENDING;
dev->netdev_ops = &b44_netdev_ops;
netif_napi_add(dev, &bp->napi, b44_poll, 64);
dev->watchdog_timeo = B44_TX_TIMEOUT;
dev->irq = sdev->irq;
dev->ethtool_ops = &b44_ethtool_ops;
err = ssb_bus_powerup(sdev->bus, 0);
if (err) {
dev_err(sdev->dev,
"Failed to powerup the bus\n");
goto err_out_free_dev;
}
if (dma_set_mask_and_coherent(sdev->dma_dev, DMA_BIT_MASK(30))) {
dev_err(sdev->dev,
"Required 30BIT DMA mask unsupported by the system\n");
goto err_out_powerdown;
}
err = b44_get_invariants(bp);
if (err) {
dev_err(sdev->dev,
"Problem fetching invariants of chip, aborting\n");
goto err_out_powerdown;
}
if (bp->phy_addr == B44_PHY_ADDR_NO_PHY) {
dev_err(sdev->dev, "No PHY present on this MAC, aborting\n");
err = -ENODEV;
goto err_out_powerdown;
}
bp->mii_if.dev = dev;
bp->mii_if.mdio_read = b44_mdio_read_mii;
bp->mii_if.mdio_write = b44_mdio_write_mii;
bp->mii_if.phy_id = bp->phy_addr;
bp->mii_if.phy_id_mask = 0x1f;
bp->mii_if.reg_num_mask = 0x1f;
/* By default, advertise all speed/duplex settings. */
bp->flags |= (B44_FLAG_ADV_10HALF | B44_FLAG_ADV_10FULL |
B44_FLAG_ADV_100HALF | B44_FLAG_ADV_100FULL);
/* By default, auto-negotiate PAUSE. */
bp->flags |= B44_FLAG_PAUSE_AUTO;
err = register_netdev(dev);
if (err) {
dev_err(sdev->dev, "Cannot register net device, aborting\n");
goto err_out_powerdown;
}
netif_carrier_off(dev);
ssb_set_drvdata(sdev, dev);
/* Chip reset provides power to the b44 MAC & PCI cores, which
* is necessary for MAC register access.
*/
b44_chip_reset(bp, B44_CHIP_RESET_FULL);
/* do a phy reset to test if there is an active phy */
err = b44_phy_reset(bp);
if (err < 0) {
dev_err(sdev->dev, "phy reset failed\n");
goto err_out_unregister_netdev;
}
if (bp->flags & B44_FLAG_EXTERNAL_PHY) {
err = b44_register_phy_one(bp);
if (err) {
dev_err(sdev->dev, "Cannot register PHY, aborting\n");
goto err_out_unregister_netdev;
}
}
device_set_wakeup_capable(sdev->dev, true);
netdev_info(dev, "%s %pM\n", DRV_DESCRIPTION, dev->dev_addr);
return 0;
err_out_unregister_netdev:
unregister_netdev(dev);
err_out_powerdown:
ssb_bus_may_powerdown(sdev->bus);
err_out_free_dev:
netif_napi_del(&bp->napi);
free_netdev(dev);
out:
return err;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| jeff garzik | jeff garzik | 269 | 50.56% | 7 | 21.88% |
| hauke mehrtens | hauke mehrtens | 113 | 21.24% | 6 | 18.75% |
| michael buesch | michael buesch | 68 | 12.78% | 1 | 3.12% |
| joe perches | joe perches | 15 | 2.82% | 3 | 9.38% |
| stephen hemminger | stephen hemminger | 12 | 2.26% | 2 | 6.25% |
| andrey skvortsov | andrey skvortsov | 9 | 1.69% | 1 | 3.12% |
| pekka pietikainen | pekka pietikainen | 9 | 1.69% | 2 | 6.25% |
| fujita tomonori | fujita tomonori | 6 | 1.13% | 1 | 3.12% |
| eric dumazet | eric dumazet | 6 | 1.13% | 1 | 3.12% |
| paul fertser | paul fertser | 5 | 0.94% | 1 | 3.12% |
| gary zambrano | gary zambrano | 5 | 0.94% | 1 | 3.12% |
| francois romieu | francois romieu | 5 | 0.94% | 2 | 6.25% |
| yang hongyang | yang hongyang | 4 | 0.75% | 1 | 3.12% |
| wilfried klaebe | wilfried klaebe | 3 | 0.56% | 1 | 3.12% |
| miguel boton | miguel boton | 2 | 0.38% | 1 | 3.12% |
| russell king | russell king | 1 | 0.19% | 1 | 3.12% |
| Total | 532 | 100.00% | 32 | 100.00% |
static void b44_remove_one(struct ssb_device *sdev)
{
struct net_device *dev = ssb_get_drvdata(sdev);
struct b44 *bp = netdev_priv(dev);
unregister_netdev(dev);
if (bp->flags & B44_FLAG_EXTERNAL_PHY)
b44_unregister_phy_one(bp);
ssb_device_disable(sdev, 0);
ssb_bus_may_powerdown(sdev->bus);
netif_napi_del(&bp->napi);
free_netdev(dev);
ssb_pcihost_set_power_state(sdev, PCI_D3hot);
ssb_set_drvdata(sdev, NULL);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| jeff garzik | jeff garzik | 35 | 38.89% | 2 | 25.00% |
| hauke mehrtens | hauke mehrtens | 31 | 34.44% | 2 | 25.00% |
| michael buesch | michael buesch | 16 | 17.78% | 2 | 25.00% |
| miguel boton | miguel boton | 7 | 7.78% | 1 | 12.50% |
| stephen hemminger | stephen hemminger | 1 | 1.11% | 1 | 12.50% |
| Total | 90 | 100.00% | 8 | 100.00% |
static int b44_suspend(struct ssb_device *sdev, pm_message_t state)
{
struct net_device *dev = ssb_get_drvdata(sdev);
struct b44 *bp = netdev_priv(dev);
if (!netif_running(dev))
return 0;
del_timer_sync(&bp->timer);
spin_lock_irq(&bp->lock);
b44_halt(bp);
netif_carrier_off(bp->dev);
netif_device_detach(bp->dev);
b44_free_rings(bp);
spin_unlock_irq(&bp->lock);
free_irq(dev->irq, dev);
if (bp->flags & B44_FLAG_WOL_ENABLE) {
b44_init_hw(bp, B44_PARTIAL_RESET);
b44_setup_wol(bp);
}
ssb_pcihost_set_power_state(sdev, PCI_D3hot);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| pekka pietikainen | pekka pietikainen | 88 | 65.67% | 1 | 11.11% |
| gary zambrano | gary zambrano | 21 | 15.67% | 2 | 22.22% |
| pavel machek | pavel machek | 10 | 7.46% | 2 | 22.22% |
| miguel boton | miguel boton | 7 | 5.22% | 1 | 11.11% |
| michael buesch | michael buesch | 4 | 2.99% | 1 | 11.11% |
| stephen hemminger | stephen hemminger | 3 | 2.24% | 1 | 11.11% |
| michael chan | michael chan | 1 | 0.75% | 1 | 11.11% |
| Total | 134 | 100.00% | 9 | 100.00% |
static int b44_resume(struct ssb_device *sdev)
{
struct net_device *dev = ssb_get_drvdata(sdev);
struct b44 *bp = netdev_priv(dev);
int rc = 0;
rc = ssb_bus_powerup(sdev->bus, 0);
if (rc) {
dev_err(sdev->dev,
"Failed to powerup the bus\n");
return rc;
}
if (!netif_running(dev))
return 0;
spin_lock_irq(&bp->lock);
b44_init_rings(bp);
b44_init_hw(bp, B44_FULL_RESET);
spin_unlock_irq(&bp->lock);
/*
* As a shared interrupt, the handler can be called immediately. To be
* able to check the interrupt status the hardware must already be
* powered back on (b44_init_hw).
*/
rc = request_irq(dev->irq, b44_interrupt, IRQF_SHARED, dev->name, dev);
if (rc) {
netdev_err(dev, "request_irq failed\n");
spin_lock_irq(&bp->lock);
b44_halt(bp);
b44_free_rings(bp);
spin_unlock_irq(&bp->lock);
return rc;
}
netif_device_attach(bp->dev);
b44_enable_ints(bp);
netif_wake_queue(dev);
mod_timer(&bp->timer, jiffies + 1);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| pekka pietikainen | pekka pietikainen | 69 | 34.85% | 1 | 9.09% |
| james hogan | james hogan | 40 | 20.20% | 1 | 9.09% |
| dmitriy monakhov | dmitriy monakhov | 26 | 13.13% | 1 | 9.09% |
| pavel machek | pavel machek | 19 | 9.60% | 1 | 9.09% |
| michael buesch | michael buesch | 16 | 8.08% | 1 | 9.09% |
| stephen hemminger | stephen hemminger | 15 | 7.58% | 2 | 18.18% |
| mark lord | mark lord | 5 | 2.53% | 1 | 9.09% |
| joe perches | joe perches | 4 | 2.02% | 1 | 9.09% |
| li shaohua | li shaohua | 3 | 1.52% | 1 | 9.09% |
| thomas gleixner | thomas gleixner | 1 | 0.51% | 1 | 9.09% |
| Total | 198 | 100.00% | 11 | 100.00% |
static struct ssb_driver b44_ssb_driver = {
.name = DRV_MODULE_NAME,
.id_table = b44_ssb_tbl,
.probe = b44_init_one,
.remove = b44_remove_one,
.suspend = b44_suspend,
.resume = b44_resume,
};
static inline int __init b44_pci_init(void)
{
int err = 0;
#ifdef CONFIG_B44_PCI
err = ssb_pcihost_register(&b44_pci_driver);
#endif
return err;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| michael buesch | michael buesch | 30 | 96.77% | 1 | 50.00% |
| hauke mehrtens | hauke mehrtens | 1 | 3.23% | 1 | 50.00% |
| Total | 31 | 100.00% | 2 | 100.00% |
static inline void b44_pci_exit(void)
{
#ifdef CONFIG_B44_PCI
ssb_pcihost_unregister(&b44_pci_driver);
#endif
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| michael buesch | michael buesch | 20 | 100.00% | 1 | 100.00% |
| Total | 20 | 100.00% | 1 | 100.00% |
static int __init b44_init(void)
{
unsigned int dma_desc_align_size = dma_get_cache_alignment();
int err;
/* Setup paramaters for syncing RX/TX DMA descriptors */
dma_desc_sync_size = max_t(unsigned int, dma_desc_align_size, sizeof(struct dma_desc));
err = b44_pci_init();
if (err)
return err;
err = ssb_driver_register(&b44_ssb_driver);
if (err)
b44_pci_exit();
return err;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| michael buesch | michael buesch | 28 | 45.90% | 1 | 25.00% |
| jeff garzik | jeff garzik | 14 | 22.95% | 1 | 25.00% |
| john w. linville | john w. linville | 14 | 22.95% | 1 | 25.00% |
| alan cox | alan cox | 5 | 8.20% | 1 | 25.00% |
| Total | 61 | 100.00% | 4 | 100.00% |
static void __exit b44_cleanup(void)
{
ssb_driver_unregister(&b44_ssb_driver);
b44_pci_exit();
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| jeff garzik | jeff garzik | 13 | 72.22% | 1 | 50.00% |
| michael buesch | michael buesch | 5 | 27.78% | 1 | 50.00% |
| Total | 18 | 100.00% | 2 | 100.00% |
module_init(b44_init);
module_exit(b44_cleanup);
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| jeff garzik | jeff garzik | 6435 | 50.90% | 13 | 8.97% |
| michael buesch | michael buesch | 1188 | 9.40% | 8 | 5.52% |
| hauke mehrtens | hauke mehrtens | 1121 | 8.87% | 16 | 11.03% |
| gary zambrano | gary zambrano | 1069 | 8.46% | 8 | 5.52% |
| john w. linville | john w. linville | 451 | 3.57% | 4 | 2.76% |
| pekka pietikainen | pekka pietikainen | 442 | 3.50% | 5 | 3.45% |
| stephen hemminger | stephen hemminger | 388 | 3.07% | 11 | 7.59% |
| francois romieu | francois romieu | 327 | 2.59% | 9 | 6.21% |
| david s. miller | david s. miller | 180 | 1.42% | 1 | 0.69% |
| joe perches | joe perches | 139 | 1.10% | 6 | 4.14% |
| fujita tomonori | fujita tomonori | 116 | 0.92% | 1 | 0.69% |
| kevin groeneveld | kevin groeneveld | 114 | 0.90% | 1 | 0.69% |
| andrew morton | andrew morton | 71 | 0.56% | 3 | 2.07% |
| mark lord | mark lord | 62 | 0.49% | 2 | 1.38% |
| miguel boton | miguel boton | 61 | 0.48% | 1 | 0.69% |
| andi kleen | andi kleen | 52 | 0.41% | 1 | 0.69% |
| michael chan | michael chan | 46 | 0.36% | 1 | 0.69% |
| con kolivas | con kolivas | 40 | 0.32% | 1 | 0.69% |
| james hogan | james hogan | 40 | 0.32% | 1 | 0.69% |
| pavel machek | pavel machek | 38 | 0.30% | 4 | 2.76% |
| yang hongyang | yang hongyang | 28 | 0.22% | 1 | 0.69% |
| dmitriy monakhov | dmitriy monakhov | 26 | 0.21% | 1 | 0.69% |
| jiri pirko | jiri pirko | 25 | 0.20% | 4 | 2.76% |
| eric dumazet | eric dumazet | 24 | 0.19% | 4 | 2.76% |
| andrey skvortsov | andrey skvortsov | 24 | 0.19% | 1 | 0.69% |
| dongdong deng | dongdong deng | 20 | 0.16% | 2 | 1.38% |
| david decotigny | david decotigny | 16 | 0.13% | 2 | 1.38% |
| arnaldo carvalho de melo | arnaldo carvalho de melo | 9 | 0.07% | 1 | 0.69% |
| andrew lunn | andrew lunn | 8 | 0.06% | 4 | 2.76% |
| florian schirmer | florian schirmer | 7 | 0.06% | 1 | 0.69% |
| matthew wilcox | matthew wilcox | 6 | 0.05% | 1 | 0.69% |
| benoit taine | benoit taine | 6 | 0.05% | 1 | 0.69% |
| jochen friedrich | jochen friedrich | 5 | 0.04% | 1 | 0.69% |
| alan cox | alan cox | 5 | 0.04% | 1 | 0.69% |
| roel kluin | roel kluin | 5 | 0.04% | 1 | 0.69% |
| paul fertser | paul fertser | 5 | 0.04% | 1 | 0.69% |
| julia lawall | julia lawall | 4 | 0.03% | 1 | 0.69% |
| eric w. biederman | eric w. biederman | 4 | 0.03% | 1 | 0.69% |
| wilfried klaebe | wilfried klaebe | 3 | 0.02% | 1 | 0.69% |
| alexey dobriyan | alexey dobriyan | 3 | 0.02% | 1 | 0.69% |
| li shaohua | li shaohua | 3 | 0.02% | 1 | 0.69% |
| alexander duyck | alexander duyck | 3 | 0.02% | 1 | 0.69% |
| ben hutchings | ben hutchings | 3 | 0.02% | 1 | 0.69% |
| al viro | al viro | 3 | 0.02% | 1 | 0.69% |
| tejun heo | tejun heo | 3 | 0.02% | 1 | 0.69% |
| thomas gleixner | thomas gleixner | 2 | 0.02% | 1 | 0.69% |
| randy dunlap | randy dunlap | 2 | 0.02% | 1 | 0.69% |
| felix fietkau | felix fietkau | 2 | 0.02% | 1 | 0.69% |
| stanislav brabec | stanislav brabec | 1 | 0.01% | 1 | 0.69% |
| bill helfinstine | bill helfinstine | 1 | 0.01% | 1 | 0.69% |
| russell king | russell king | 1 | 0.01% | 1 | 0.69% |
| xander hover | xander hover | 1 | 0.01% | 1 | 0.69% |
| yoann padioleau | yoann padioleau | 1 | 0.01% | 1 | 0.69% |
| rafal milecki | rafal milecki | 1 | 0.01% | 1 | 0.69% |
| eric sesterhenn | eric sesterhenn | 1 | 0.01% | 1 | 0.69% |
| johannes berg | johannes berg | 1 | 0.01% | 1 | 0.69% |
| mark einon | mark einon | 1 | 0.01% | 1 | 0.69% |
| greg kroah-hartman | greg kroah-hartman | | 0.00% | 0 | 0.00% |
| Total | 12643 | 100.00% | 145 | 100.00% |
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