diff options
Diffstat (limited to 'drivers/net')
91 files changed, 3808 insertions, 330 deletions
diff --git a/drivers/net/3c515.c b/drivers/net/3c515.c index 3e00fa8..4a7c328 100644 --- a/drivers/net/3c515.c +++ b/drivers/net/3c515.c @@ -832,7 +832,9 @@ static int corkscrew_open(struct net_device *dev) skb_reserve(skb, 2); /* Align IP on 16 byte boundaries */ vp->rx_ring[i].addr = isa_virt_to_bus(skb->data); } - vp->rx_ring[i - 1].next = isa_virt_to_bus(&vp->rx_ring[0]); /* Wrap the ring. */ + if (i != 0) + vp->rx_ring[i - 1].next = + isa_virt_to_bus(&vp->rx_ring[0]); /* Wrap the ring. */ outl(isa_virt_to_bus(&vp->rx_ring[0]), ioaddr + UpListPtr); } if (vp->full_bus_master_tx) { /* Boomerang bus master Tx. */ diff --git a/drivers/net/3c59x.c b/drivers/net/3c59x.c index c34aee9..c204168 100644 --- a/drivers/net/3c59x.c +++ b/drivers/net/3c59x.c @@ -2721,13 +2721,15 @@ dump_tx_ring(struct net_device *dev) &vp->tx_ring[vp->dirty_tx % TX_RING_SIZE]); issue_and_wait(dev, DownStall); for (i = 0; i < TX_RING_SIZE; i++) { - pr_err(" %d: @%p length %8.8x status %8.8x\n", i, - &vp->tx_ring[i], + unsigned int length; + #if DO_ZEROCOPY - le32_to_cpu(vp->tx_ring[i].frag[0].length), + length = le32_to_cpu(vp->tx_ring[i].frag[0].length); #else - le32_to_cpu(vp->tx_ring[i].length), + length = le32_to_cpu(vp->tx_ring[i].length); #endif + pr_err(" %d: @%p length %8.8x status %8.8x\n", + i, &vp->tx_ring[i], length, le32_to_cpu(vp->tx_ring[i].status)); } if (!stalled) diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index c155bd3..5f6509a 100644 --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig @@ -1729,6 +1729,13 @@ config KS8842 help This platform driver is for Micrel KSZ8842 chip. +config KS8851 + tristate "Micrel KS8851 SPI" + depends on SPI + select MII + help + SPI driver for Micrel KS8851 SPI attached network chip. + config VIA_RHINE tristate "VIA Rhine support" depends on NET_PCI && PCI diff --git a/drivers/net/Makefile b/drivers/net/Makefile index 4b58a59..ead8cab 100644 --- a/drivers/net/Makefile +++ b/drivers/net/Makefile @@ -88,6 +88,7 @@ obj-$(CONFIG_SKGE) += skge.o obj-$(CONFIG_SKY2) += sky2.o obj-$(CONFIG_SKFP) += skfp/ obj-$(CONFIG_KS8842) += ks8842.o +obj-$(CONFIG_KS8851) += ks8851.o obj-$(CONFIG_VIA_RHINE) += via-rhine.o obj-$(CONFIG_VIA_VELOCITY) += via-velocity.o obj-$(CONFIG_ADAPTEC_STARFIRE) += starfire.o diff --git a/drivers/net/arm/Kconfig b/drivers/net/arm/Kconfig index 2895db1..c37ee9e 100644 --- a/drivers/net/arm/Kconfig +++ b/drivers/net/arm/Kconfig @@ -63,3 +63,11 @@ config IXP4XX_ETH help Say Y here if you want to use built-in Ethernet ports on IXP4xx processor. + +config W90P910_ETH + tristate "Nuvoton w90p910 Ethernet support" + depends on ARM && ARCH_W90X900 + select PHYLIB + help + Say Y here if you want to use built-in Ethernet ports + on w90p910 processor. diff --git a/drivers/net/arm/Makefile b/drivers/net/arm/Makefile index 811a3cc..303171f 100644 --- a/drivers/net/arm/Makefile +++ b/drivers/net/arm/Makefile @@ -11,3 +11,4 @@ obj-$(CONFIG_ARM_AT91_ETHER) += at91_ether.o obj-$(CONFIG_ARM_KS8695_ETHER) += ks8695net.o obj-$(CONFIG_EP93XX_ETH) += ep93xx_eth.o obj-$(CONFIG_IXP4XX_ETH) += ixp4xx_eth.o +obj-$(CONFIG_W90P910_ETH) += w90p910_ether.o diff --git a/drivers/net/arm/at91_ether.c b/drivers/net/arm/at91_ether.c index 2e7419a..5041d10 100644 --- a/drivers/net/arm/at91_ether.c +++ b/drivers/net/arm/at91_ether.c @@ -1228,7 +1228,6 @@ static int at91ether_resume(struct platform_device *pdev) #endif static struct platform_driver at91ether_driver = { - .probe = at91ether_probe, .remove = __devexit_p(at91ether_remove), .suspend = at91ether_suspend, .resume = at91ether_resume, @@ -1240,7 +1239,7 @@ static struct platform_driver at91ether_driver = { static int __init at91ether_init(void) { - return platform_driver_register(&at91ether_driver); + return platform_driver_probe(&at91ether_driver, at91ether_probe); } static void __exit at91ether_exit(void) diff --git a/drivers/net/arm/w90p910_ether.c b/drivers/net/arm/w90p910_ether.c new file mode 100644 index 0000000..616fb79 --- /dev/null +++ b/drivers/net/arm/w90p910_ether.c @@ -0,0 +1,1105 @@ +/* + * Copyright (c) 2008-2009 Nuvoton technology corporation. + * + * Wan ZongShun <mcuos.com@gmail.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation;version 2 of the License. + * + */ + +#include <linux/module.h> +#include <linux/init.h> +#include <linux/mii.h> +#include <linux/netdevice.h> +#include <linux/etherdevice.h> +#include <linux/skbuff.h> +#include <linux/ethtool.h> +#include <linux/platform_device.h> +#include <linux/clk.h> + +#define DRV_MODULE_NAME "w90p910-emc" +#define DRV_MODULE_VERSION "0.1" + +/* Ethernet MAC Registers */ +#define REG_CAMCMR 0x00 +#define REG_CAMEN 0x04 +#define REG_CAMM_BASE 0x08 +#define REG_CAML_BASE 0x0c +#define REG_TXDLSA 0x88 +#define REG_RXDLSA 0x8C +#define REG_MCMDR 0x90 +#define REG_MIID 0x94 +#define REG_MIIDA 0x98 +#define REG_FFTCR 0x9C +#define REG_TSDR 0xa0 +#define REG_RSDR 0xa4 +#define REG_DMARFC 0xa8 +#define REG_MIEN 0xac +#define REG_MISTA 0xb0 +#define REG_CTXDSA 0xcc +#define REG_CTXBSA 0xd0 +#define REG_CRXDSA 0xd4 +#define REG_CRXBSA 0xd8 + +/* mac controller bit */ +#define MCMDR_RXON 0x01 +#define MCMDR_ACP (0x01 << 3) +#define MCMDR_SPCRC (0x01 << 5) +#define MCMDR_TXON (0x01 << 8) +#define MCMDR_FDUP (0x01 << 18) +#define MCMDR_ENMDC (0x01 << 19) +#define MCMDR_OPMOD (0x01 << 20) +#define SWR (0x01 << 24) + +/* cam command regiser */ +#define CAMCMR_AUP 0x01 +#define CAMCMR_AMP (0x01 << 1) +#define CAMCMR_ABP (0x01 << 2) +#define CAMCMR_CCAM (0x01 << 3) +#define CAMCMR_ECMP (0x01 << 4) +#define CAM0EN 0x01 + +/* mac mii controller bit */ +#define MDCCR (0x0a << 20) +#define PHYAD (0x01 << 8) +#define PHYWR (0x01 << 16) +#define PHYBUSY (0x01 << 17) +#define PHYPRESP (0x01 << 18) +#define CAM_ENTRY_SIZE 0x08 + +/* rx and tx status */ +#define TXDS_TXCP (0x01 << 19) +#define RXDS_CRCE (0x01 << 17) +#define RXDS_PTLE (0x01 << 19) +#define RXDS_RXGD (0x01 << 20) +#define RXDS_ALIE (0x01 << 21) +#define RXDS_RP (0x01 << 22) + +/* mac interrupt status*/ +#define MISTA_EXDEF (0x01 << 19) +#define MISTA_TXBERR (0x01 << 24) +#define MISTA_TDU (0x01 << 23) +#define MISTA_RDU (0x01 << 10) +#define MISTA_RXBERR (0x01 << 11) + +#define ENSTART 0x01 +#define ENRXINTR 0x01 +#define ENRXGD (0x01 << 4) +#define ENRXBERR (0x01 << 11) +#define ENTXINTR (0x01 << 16) +#define ENTXCP (0x01 << 18) +#define ENTXABT (0x01 << 21) +#define ENTXBERR (0x01 << 24) +#define ENMDC (0x01 << 19) +#define PHYBUSY (0x01 << 17) +#define MDCCR_VAL 0xa00000 + +/* rx and tx owner bit */ +#define RX_OWEN_DMA (0x01 << 31) +#define RX_OWEN_CPU (~(0x03 << 30)) +#define TX_OWEN_DMA (0x01 << 31) +#define TX_OWEN_CPU (~(0x01 << 31)) + +/* tx frame desc controller bit */ +#define MACTXINTEN 0x04 +#define CRCMODE 0x02 +#define PADDINGMODE 0x01 + +/* fftcr controller bit */ +#define TXTHD (0x03 << 8) +#define BLENGTH (0x01 << 20) + +/* global setting for driver */ +#define RX_DESC_SIZE 50 +#define TX_DESC_SIZE 10 +#define MAX_RBUFF_SZ 0x600 +#define MAX_TBUFF_SZ 0x600 +#define TX_TIMEOUT 50 +#define DELAY 1000 +#define CAM0 0x0 + +static int w90p910_mdio_read(struct net_device *dev, int phy_id, int reg); + +struct w90p910_rxbd { + unsigned int sl; + unsigned int buffer; + unsigned int reserved; + unsigned int next; +}; + +struct w90p910_txbd { + unsigned int mode; + unsigned int buffer; + unsigned int sl; + unsigned int next; +}; + +struct recv_pdesc { + struct w90p910_rxbd desclist[RX_DESC_SIZE]; + char recv_buf[RX_DESC_SIZE][MAX_RBUFF_SZ]; +}; + +struct tran_pdesc { + struct w90p910_txbd desclist[TX_DESC_SIZE]; + char tran_buf[RX_DESC_SIZE][MAX_TBUFF_SZ]; +}; + +struct w90p910_ether { + struct recv_pdesc *rdesc; + struct recv_pdesc *rdesc_phys; + struct tran_pdesc *tdesc; + struct tran_pdesc *tdesc_phys; + struct net_device_stats stats; + struct platform_device *pdev; + struct sk_buff *skb; + struct clk *clk; + struct clk *rmiiclk; + struct mii_if_info mii; + struct timer_list check_timer; + void __iomem *reg; + unsigned int rxirq; + unsigned int txirq; + unsigned int cur_tx; + unsigned int cur_rx; + unsigned int finish_tx; + unsigned int rx_packets; + unsigned int rx_bytes; + unsigned int start_tx_ptr; + unsigned int start_rx_ptr; + unsigned int linkflag; + spinlock_t lock; +}; + +static void update_linkspeed_register(struct net_device *dev, + unsigned int speed, unsigned int duplex) +{ + struct w90p910_ether *ether = netdev_priv(dev); + unsigned int val; + + val = __raw_readl(ether->reg + REG_MCMDR); + + if (speed == SPEED_100) { + /* 100 full/half duplex */ + if (duplex == DUPLEX_FULL) { + val |= (MCMDR_OPMOD | MCMDR_FDUP); + } else { + val |= MCMDR_OPMOD; + val &= ~MCMDR_FDUP; + } + } else { + /* 10 full/half duplex */ + if (duplex == DUPLEX_FULL) { + val |= MCMDR_FDUP; + val &= ~MCMDR_OPMOD; + } else { + val &= ~(MCMDR_FDUP | MCMDR_OPMOD); + } + } + + __raw_writel(val, ether->reg + REG_MCMDR); +} + +static void update_linkspeed(struct net_device *dev) +{ + struct w90p910_ether *ether = netdev_priv(dev); + struct platform_device *pdev; + unsigned int bmsr, bmcr, lpa, speed, duplex; + + pdev = ether->pdev; + + if (!mii_link_ok(ðer->mii)) { + ether->linkflag = 0x0; + netif_carrier_off(dev); + dev_warn(&pdev->dev, "%s: Link down.\n", dev->name); + return; + } + + if (ether->linkflag == 1) + return; + + bmsr = w90p910_mdio_read(dev, ether->mii.phy_id, MII_BMSR); + bmcr = w90p910_mdio_read(dev, ether->mii.phy_id, MII_BMCR); + + if (bmcr & BMCR_ANENABLE) { + if (!(bmsr & BMSR_ANEGCOMPLETE)) + return; + + lpa = w90p910_mdio_read(dev, ether->mii.phy_id, MII_LPA); + + if ((lpa & LPA_100FULL) || (lpa & LPA_100HALF)) + speed = SPEED_100; + else + speed = SPEED_10; + + if ((lpa & LPA_100FULL) || (lpa & LPA_10FULL)) + duplex = DUPLEX_FULL; + else + duplex = DUPLEX_HALF; + + } else { + speed = (bmcr & BMCR_SPEED100) ? SPEED_100 : SPEED_10; + duplex = (bmcr & BMCR_FULLDPLX) ? DUPLEX_FULL : DUPLEX_HALF; + } + + update_linkspeed_register(dev, speed, duplex); + + dev_info(&pdev->dev, "%s: Link now %i-%s\n", dev->name, speed, + (duplex == DUPLEX_FULL) ? "FullDuplex" : "HalfDuplex"); + ether->linkflag = 0x01; + + netif_carrier_on(dev); +} + +static void w90p910_check_link(unsigned long dev_id) +{ + struct net_device *dev = (struct net_device *) dev_id; + struct w90p910_ether *ether = netdev_priv(dev); + + update_linkspeed(dev); + mod_timer(ðer->check_timer, jiffies + msecs_to_jiffies(1000)); +} + +static void w90p910_write_cam(struct net_device *dev, + unsigned int x, unsigned char *pval) +{ + struct w90p910_ether *ether = netdev_priv(dev); + unsigned int msw, lsw; + + msw = (pval[0] << 24) | (pval[1] << 16) | (pval[2] << 8) | pval[3]; + + lsw = (pval[4] << 24) | (pval[5] << 16); + + __raw_writel(lsw, ether->reg + REG_CAML_BASE + x * CAM_ENTRY_SIZE); + __raw_writel(msw, ether->reg + REG_CAMM_BASE + x * CAM_ENTRY_SIZE); +} + +static void w90p910_init_desc(struct net_device *dev) +{ + struct w90p910_ether *ether; + struct w90p910_txbd *tdesc, *tdesc_phys; + struct w90p910_rxbd *rdesc, *rdesc_phys; + unsigned int i, j; + + ether = netdev_priv(dev); + + ether->tdesc = (struct tran_pdesc *) + dma_alloc_coherent(NULL, sizeof(struct tran_pdesc), + (dma_addr_t *) ðer->tdesc_phys, GFP_KERNEL); + + ether->rdesc = (struct recv_pdesc *) + dma_alloc_coherent(NULL, sizeof(struct recv_pdesc), + (dma_addr_t *) ðer->rdesc_phys, GFP_KERNEL); + + for (i = 0; i < TX_DESC_SIZE; i++) { + tdesc = &(ether->tdesc->desclist[i]); + + j = ((i + 1) / TX_DESC_SIZE); + + if (j != 0) { + tdesc_phys = &(ether->tdesc_phys->desclist[0]); + ether->start_tx_ptr = (unsigned int)tdesc_phys; + tdesc->next = (unsigned int)ether->start_tx_ptr; + } else { + tdesc_phys = &(ether->tdesc_phys->desclist[i+1]); + tdesc->next = (unsigned int)tdesc_phys; + } + + tdesc->buffer = (unsigned int)ether->tdesc_phys->tran_buf[i]; + tdesc->sl = 0; + tdesc->mode = 0; + } + + for (i = 0; i < RX_DESC_SIZE; i++) { + rdesc = &(ether->rdesc->desclist[i]); + + j = ((i + 1) / RX_DESC_SIZE); + + if (j != 0) { + rdesc_phys = &(ether->rdesc_phys->desclist[0]); + ether->start_rx_ptr = (unsigned int)rdesc_phys; + rdesc->next = (unsigned int)ether->start_rx_ptr; + } else { + rdesc_phys = &(ether->rdesc_phys->desclist[i+1]); + rdesc->next = (unsigned int)rdesc_phys; + } + + rdesc->sl = RX_OWEN_DMA; + rdesc->buffer = (unsigned int)ether->rdesc_phys->recv_buf[i]; + } +} + +static void w90p910_set_fifo_threshold(struct net_device *dev) +{ + struct w90p910_ether *ether = netdev_priv(dev); + unsigned int val; + + val = TXTHD | BLENGTH; + __raw_writel(val, ether->reg + REG_FFTCR); +} + +static void w90p910_return_default_idle(struct net_device *dev) +{ + struct w90p910_ether *ether = netdev_priv(dev); + unsigned int val; + + val = __raw_readl(ether->reg + REG_MCMDR); + val |= SWR; + __raw_writel(val, ether->reg + REG_MCMDR); +} + +static void w90p910_trigger_rx(struct net_device *dev) +{ + struct w90p910_ether *ether = netdev_priv(dev); + + __raw_writel(ENSTART, ether->reg + REG_RSDR); +} + +static void w90p910_trigger_tx(struct net_device *dev) +{ + struct w90p910_ether *ether = netdev_priv(dev); + + __raw_writel(ENSTART, ether->reg + REG_TSDR); +} + +static void w90p910_enable_mac_interrupt(struct net_device *dev) +{ + struct w90p910_ether *ether = netdev_priv(dev); + unsigned int val; + + val = ENTXINTR | ENRXINTR | ENRXGD | ENTXCP; + val |= ENTXBERR | ENRXBERR | ENTXABT; + + __raw_writel(val, ether->reg + REG_MIEN); +} + +static void w90p910_get_and_clear_int(struct net_device *dev, + unsigned int *val) +{ + struct w90p910_ether *ether = netdev_priv(dev); + + *val = __raw_readl(ether->reg + REG_MISTA); + __raw_writel(*val, ether->reg + REG_MISTA); +} + +static void w90p910_set_global_maccmd(struct net_device *dev) +{ + struct w90p910_ether *ether = netdev_priv(dev); + unsigned int val; + + val = __raw_readl(ether->reg + REG_MCMDR); + val |= MCMDR_SPCRC | MCMDR_ENMDC | MCMDR_ACP | ENMDC; + __raw_writel(val, ether->reg + REG_MCMDR); +} + +static void w90p910_enable_cam(struct net_device *dev) +{ + struct w90p910_ether *ether = netdev_priv(dev); + unsigned int val; + + w90p910_write_cam(dev, CAM0, dev->dev_addr); + + val = __raw_readl(ether->reg + REG_CAMEN); + val |= CAM0EN; + __raw_writel(val, ether->reg + REG_CAMEN); +} + +static void w90p910_enable_cam_command(struct net_device *dev) +{ + struct w90p910_ether *ether = netdev_priv(dev); + unsigned int val; + + val = CAMCMR_ECMP | CAMCMR_ABP | CAMCMR_AMP; + __raw_writel(val, ether->reg + REG_CAMCMR); +} + +static void w90p910_enable_tx(struct net_device *dev, unsigned int enable) +{ + struct w90p910_ether *ether = netdev_priv(dev); + unsigned int val; + + val = __raw_readl(ether->reg + REG_MCMDR); + + if (enable) + val |= MCMDR_TXON; + else + val &= ~MCMDR_TXON; + + __raw_writel(val, ether->reg + REG_MCMDR); +} + +static void w90p910_enable_rx(struct net_device *dev, unsigned int enable) +{ + struct w90p910_ether *ether = netdev_priv(dev); + unsigned int val; + + val = __raw_readl(ether->reg + REG_MCMDR); + + if (enable) + val |= MCMDR_RXON; + else + val &= ~MCMDR_RXON; + + __raw_writel(val, ether->reg + REG_MCMDR); +} + +static void w90p910_set_curdest(struct net_device *dev) +{ + struct w90p910_ether *ether = netdev_priv(dev); + + __raw_writel(ether->start_rx_ptr, ether->reg + REG_RXDLSA); + __raw_writel(ether->start_tx_ptr, ether->reg + REG_TXDLSA); +} + +static void w90p910_reset_mac(struct net_device *dev) +{ + struct w90p910_ether *ether = netdev_priv(dev); + + spin_lock(ðer->lock); + + w90p910_enable_tx(dev, 0); + w90p910_enable_rx(dev, 0); + w90p910_set_fifo_threshold(dev); + w90p910_return_default_idle(dev); + + if (!netif_queue_stopped(dev)) + netif_stop_queue(dev); + + w90p910_init_desc(dev); + + dev->trans_start = jiffies; + ether->cur_tx = 0x0; + ether->finish_tx = 0x0; + ether->cur_rx = 0x0; + + w90p910_set_curdest(dev); + w90p910_enable_cam(dev); + w90p910_enable_cam_command(dev); + w90p910_enable_mac_interrupt(dev); + w90p910_enable_tx(dev, 1); + w90p910_enable_rx(dev, 1); + w90p910_trigger_tx(dev); + w90p910_trigger_rx(dev); + + dev->trans_start = jiffies; + + if (netif_queue_stopped(dev)) + netif_wake_queue(dev); + + spin_unlock(ðer->lock); +} + +static void w90p910_mdio_write(struct net_device *dev, + int phy_id, int reg, int data) +{ + struct w90p910_ether *ether = netdev_priv(dev); + struct platform_device *pdev; + unsigned int val, i; + + pdev = ether->pdev; + + __raw_writel(data, ether->reg + REG_MIID); + + val = (phy_id << 0x08) | reg; + val |= PHYBUSY | PHYWR | MDCCR_VAL; + __raw_writel(val, ether->reg + REG_MIIDA); + + for (i = 0; i < DELAY; i++) { + if ((__raw_readl(ether->reg + REG_MIIDA) & PHYBUSY) == 0) + break; + } + + if (i == DELAY) + dev_warn(&pdev->dev, "mdio write timed out\n"); +} + +static int w90p910_mdio_read(struct net_device *dev, int phy_id, int reg) +{ + struct w90p910_ether *ether = netdev_priv(dev); + struct platform_device *pdev; + unsigned int val, i, data; + + pdev = ether->pdev; + + val = (phy_id << 0x08) | reg; + val |= PHYBUSY | MDCCR_VAL; + __raw_writel(val, ether->reg + REG_MIIDA); + + for (i = 0; i < DELAY; i++) { + if ((__raw_readl(ether->reg + REG_MIIDA) & PHYBUSY) == 0) + break; + } + + if (i == DELAY) { + dev_warn(&pdev->dev, "mdio read timed out\n"); + data = 0xffff; + } else { + data = __raw_readl(ether->reg + REG_MIID); + } + + return data; +} + +static int set_mac_address(struct net_device *dev, void *addr) +{ + struct sockaddr *address = addr; + + if (!is_valid_ether_addr(address->sa_data)) + return -EADDRNOTAVAIL; + + memcpy(dev->dev_addr, address->sa_data, dev->addr_len); + w90p910_write_cam(dev, CAM0, dev->dev_addr); + + return 0; +} + +static int w90p910_ether_close(struct net_device *dev) +{ + struct w90p910_ether *ether = netdev_priv(dev); + + dma_free_writecombine(NULL, sizeof(struct w90p910_rxbd), + ether->rdesc, (dma_addr_t)ether->rdesc_phys); + dma_free_writecombine(NULL, sizeof(struct w90p910_txbd), + ether->tdesc, (dma_addr_t)ether->tdesc_phys); + + netif_stop_queue(dev); + + del_timer_sync(ðer->check_timer); + clk_disable(ether->rmiiclk); + clk_disable(ether->clk); + + free_irq(ether->txirq, dev); + free_irq(ether->rxirq, dev); + + return 0; +} + +static struct net_device_stats *w90p910_ether_stats(struct net_device *dev) +{ + struct w90p910_ether *ether; + + ether = netdev_priv(dev); + + return ðer->stats; +} + +static int w90p910_send_frame(struct net_device *dev, + unsigned char *data, int length) +{ + struct w90p910_ether *ether; + struct w90p910_txbd *txbd; + struct platform_device *pdev; + unsigned char *buffer; + + ether = netdev_priv(dev); + pdev = ether->pdev; + + txbd = ðer->tdesc->desclist[ether->cur_tx]; + buffer = ether->tdesc->tran_buf[ether->cur_tx]; + if (length > 1514) { + dev_err(&pdev->dev, "send data %d bytes, check it\n", length); + length = 1514; + } + + txbd->sl = length & 0xFFFF; + + memcpy(buffer, data, length); + + txbd->mode = TX_OWEN_DMA | PADDINGMODE | CRCMODE | MACTXINTEN; + + w90p910_enable_tx(dev, 1); + + w90p910_trigger_tx(dev); + + ether->cur_tx = (ether->cur_tx+1) % TX_DESC_SIZE; + txbd = ðer->tdesc->desclist[ether->cur_tx]; + + dev->trans_start = jiffies; + + if (txbd->mode & TX_OWEN_DMA) + netif_stop_queue(dev); + + return 0; +} + +static int w90p910_ether_start_xmit(struct sk_buff *skb, struct net_device *dev) +{ + struct w90p910_ether *ether = netdev_priv(dev); + + if (!(w90p910_send_frame(dev, skb->data, skb->len))) { + ether->skb = skb; + dev_kfree_skb_irq(skb); + return 0; + } + return -1; +} + +static irqreturn_t w90p910_tx_interrupt(int irq, void *dev_id) +{ + struct w90p910_ether *ether; + struct w90p910_txbd *txbd; + struct platform_device *pdev; + struct tran_pdesc *tran_pdesc; + struct net_device *dev; + unsigned int cur_entry, entry, status; + + dev = (struct net_device *)dev_id; + ether = netdev_priv(dev); + pdev = ether->pdev; + + spin_lock(ðer->lock); + + w90p910_get_and_clear_int(dev, &status); + + cur_entry = __raw_readl(ether->reg + REG_CTXDSA); + + tran_pdesc = ether->tdesc_phys; + entry = (unsigned int)(&tran_pdesc->desclist[ether->finish_tx]); + + while (entry != cur_entry) { + txbd = ðer->tdesc->desclist[ether->finish_tx]; + + ether->finish_tx = (ether->finish_tx + 1) % TX_DESC_SIZE; + + if (txbd->sl & TXDS_TXCP) { + ether->stats.tx_packets++; + ether->stats.tx_bytes += txbd->sl & 0xFFFF; + } else { + ether->stats.tx_errors++; + } + + txbd->sl = 0x0; + txbd->mode = 0x0; + + if (netif_queue_stopped(dev)) + netif_wake_queue(dev); + + entry = (unsigned int)(&tran_pdesc->desclist[ether->finish_tx]); + } + + if (status & MISTA_EXDEF) { + dev_err(&pdev->dev, "emc defer exceed interrupt\n"); + } else if (status & MISTA_TXBERR) { + dev_err(&pdev->dev, "emc bus error interrupt\n"); + w90p910_reset_mac(dev); + } else if (status & MISTA_TDU) { + if (netif_queue_stopped(dev)) + netif_wake_queue(dev); + } + + spin_unlock(ðer->lock); + + return IRQ_HANDLED; +} + +static void netdev_rx(struct net_device *dev) +{ + struct w90p910_ether *ether; + struct w90p910_rxbd *rxbd; + struct platform_device *pdev; + struct recv_pdesc *rdesc_phys; + struct sk_buff *skb; + unsigned char *data; + unsigned int length, status, val, entry; + + ether = netdev_priv(dev); + pdev = ether->pdev; + rdesc_phys = ether->rdesc_phys; + + rxbd = ðer->rdesc->desclist[ether->cur_rx]; + + do { + val = __raw_readl(ether->reg + REG_CRXDSA); + entry = (unsigned int)&rdesc_phys->desclist[ether->cur_rx]; + + if (val == entry) + break; + + status = rxbd->sl; + length = status & 0xFFFF; + + if (status & RXDS_RXGD) { + data = ether->rdesc->recv_buf[ether->cur_rx]; + skb = dev_alloc_skb(length+2); + if (!skb) { + dev_err(&pdev->dev, "get skb buffer error\n"); + ether->stats.rx_dropped++; + return; + } + + skb->dev = dev; + skb_reserve(skb, 2); + skb_put(skb, length); + skb_copy_to_linear_data(skb, data, length); + skb->protocol = eth_type_trans(skb, dev); + ether->stats.rx_packets++; + ether->stats.rx_bytes += length; + netif_rx(skb); + } else { + ether->stats.rx_errors++; + + if (status & RXDS_RP) { + dev_err(&pdev->dev, "rx runt err\n"); + ether->stats.rx_length_errors++; + } else if (status & RXDS_CRCE) { + dev_err(&pdev->dev, "rx crc err\n"); + ether->stats.rx_crc_errors++; + } + + if (status & RXDS_ALIE) { + dev_err(&pdev->dev, "rx aligment err\n"); + ether->stats.rx_frame_errors++; + } else if (status & RXDS_PTLE) { + dev_err(&pdev->dev, "rx longer err\n"); + ether->stats.rx_over_errors++; + } + } + + rxbd->sl = RX_OWEN_DMA; + rxbd->reserved = 0x0; + ether->cur_rx = (ether->cur_rx+1) % RX_DESC_SIZE; + rxbd = ðer->rdesc->desclist[ether->cur_rx]; + + dev->last_rx = jiffies; + } while (1); +} + +static irqreturn_t w90p910_rx_interrupt(int irq, void *dev_id) +{ + struct net_device *dev; + struct w90p910_ether *ether; + struct platform_device *pdev; + unsigned int status; + + dev = (struct net_device *)dev_id; + ether = netdev_priv(dev); + pdev = ether->pdev; + + spin_lock(ðer->lock); + + w90p910_get_and_clear_int(dev, &status); + + if (status & MISTA_RDU) { + netdev_rx(dev); + + w90p910_trigger_rx(dev); + + spin_unlock(ðer->lock); + return IRQ_HANDLED; + } else if (status & MISTA_RXBERR) { + dev_err(&pdev->dev, "emc rx bus error\n"); + w90p910_reset_mac(dev); + } + + netdev_rx(dev); + spin_unlock(ðer->lock); + return IRQ_HANDLED; +} + +static int w90p910_ether_open(struct net_device *dev) +{ + struct w90p910_ether *ether; + struct platform_device *pdev; + + ether = netdev_priv(dev); + pdev = ether->pdev; + + w90p910_reset_mac(dev); + w90p910_set_fifo_threshold(dev); + w90p910_set_curdest(dev); + w90p910_enable_cam(dev); + w90p910_enable_cam_command(dev); + w90p910_enable_mac_interrupt(dev); + w90p910_set_global_maccmd(dev); + w90p910_enable_rx(dev, 1); + + ether->rx_packets = 0x0; + ether->rx_bytes = 0x0; + + if (request_irq(ether->txirq, w90p910_tx_interrupt, + 0x0, pdev->name, dev)) { + dev_err(&pdev->dev, "register irq tx failed\n"); + return -EAGAIN; + } + + if (request_irq(ether->rxirq, w90p910_rx_interrupt, + 0x0, pdev->name, dev)) { + dev_err(&pdev->dev, "register irq rx failed\n"); + return -EAGAIN; + } + + mod_timer(ðer->check_timer, jiffies + msecs_to_jiffies(1000)); + netif_start_queue(dev); + w90p910_trigger_rx(dev); + + dev_info(&pdev->dev, "%s is OPENED\n", dev->name); + + return 0; +} + +static void w90p910_ether_set_multicast_list(struct net_device *dev) +{ + struct w90p910_ether *ether; + unsigned int rx_mode; + + ether = netdev_priv(dev); + + if (dev->flags & IFF_PROMISC) + rx_mode = CAMCMR_AUP | CAMCMR_AMP | CAMCMR_ABP | CAMCMR_ECMP; + else if ((dev->flags & IFF_ALLMULTI) || dev->mc_list) + rx_mode = CAMCMR_AMP | CAMCMR_ABP | CAMCMR_ECMP; + else + rx_mode = CAMCMR_ECMP | CAMCMR_ABP; + __raw_writel(rx_mode, ether->reg + REG_CAMCMR); +} + +static int w90p910_ether_ioctl(struct net_device *dev, + struct ifreq *ifr, int cmd) +{ + struct w90p910_ether *ether = netdev_priv(dev); + struct mii_ioctl_data *data = if_mii(ifr); + + return generic_mii_ioctl(ðer->mii, data, cmd, NULL); +} + +static void w90p910_get_drvinfo(struct net_device *dev, + struct ethtool_drvinfo *info) +{ + strcpy(info->driver, DRV_MODULE_NAME); + strcpy(info->version, DRV_MODULE_VERSION); +} + +static int w90p910_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) +{ + struct w90p910_ether *ether = netdev_priv(dev); + return mii_ethtool_gset(ðer->mii, cmd); +} + +static int w90p910_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) +{ + struct w90p910_ether *ether = netdev_priv(dev); + return mii_ethtool_sset(ðer->mii, cmd); +} + +static int w90p910_nway_reset(struct net_device *dev) +{ + struct w90p910_ether *ether = netdev_priv(dev); + return mii_nway_restart(ðer->mii); +} + +static u32 w90p910_get_link(struct net_device *dev) +{ + struct w90p910_ether *ether = netdev_priv(dev); + return mii_link_ok(ðer->mii); +} + +static const struct ethtool_ops w90p910_ether_ethtool_ops = { + .get_settings = w90p910_get_settings, + .set_settings = w90p910_set_settings, + .get_drvinfo = w90p910_get_drvinfo, + .nway_reset = w90p910_nway_reset, + .get_link = w90p910_get_link, +}; + +static const struct net_device_ops w90p910_ether_netdev_ops = { + .ndo_open = w90p910_ether_open, + .ndo_stop = w90p910_ether_close, + .ndo_start_xmit = w90p910_ether_start_xmit, + .ndo_get_stats = w90p910_ether_stats, + .ndo_set_multicast_list = w90p910_ether_set_multicast_list, + .ndo_set_mac_address = set_mac_address, + .ndo_do_ioctl = w90p910_ether_ioctl, + .ndo_validate_addr = eth_validate_addr, + .ndo_change_mtu = eth_change_mtu, +}; + +static void __init get_mac_address(struct net_device *dev) +{ + struct w90p910_ether *ether = netdev_priv(dev); + struct platform_device *pdev; + char addr[6]; + + pdev = ether->pdev; + + addr[0] = 0x00; + addr[1] = 0x02; + addr[2] = 0xac; + addr[3] = 0x55; + addr[4] = 0x88; + addr[5] = 0xa8; + + if (is_valid_ether_addr(addr)) + memcpy(dev->dev_addr, &addr, 0x06); + else + dev_err(&pdev->dev, "invalid mac address\n"); +} + +static int w90p910_ether_setup(struct net_device *dev) +{ + struct w90p910_ether *ether = netdev_priv(dev); + + ether_setup(dev); + dev->netdev_ops = &w90p910_ether_netdev_ops; + dev->ethtool_ops = &w90p910_ether_ethtool_ops; + + dev->tx_queue_len = 16; + dev->dma = 0x0; + dev->watchdog_timeo = TX_TIMEOUT; + + get_mac_address(dev); + + spin_lock_init(ðer->lock); + + ether->cur_tx = 0x0; + ether->cur_rx = 0x0; + ether->finish_tx = 0x0; + ether->linkflag = 0x0; + ether->mii.phy_id = 0x01; + ether->mii.phy_id_mask = 0x1f; + ether->mii.reg_num_mask = 0x1f; + ether->mii.dev = dev; + ether->mii.mdio_read = w90p910_mdio_read; + ether->mii.mdio_write = w90p910_mdio_write; + + setup_timer(ðer->check_timer, w90p910_check_link, + (unsigned long)dev); + + return 0; +} + +static int __devinit w90p910_ether_probe(struct platform_device *pdev) +{ + struct w90p910_ether *ether; + struct net_device *dev; + struct resource *res; + int error; + + dev = alloc_etherdev(sizeof(struct w90p910_ether)); + if (!dev) + return -ENOMEM; + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (res == NULL) { + dev_err(&pdev->dev, "failed to get I/O memory\n"); + error = -ENXIO; + goto failed_free; + } + + res = request_mem_region(res->start, resource_size(res), pdev->name); + if (res == NULL) { + dev_err(&pdev->dev, "failed to request I/O memory\n"); + error = -EBUSY; + goto failed_free; + } + + ether = netdev_priv(dev); + + ether->reg = ioremap(res->start, resource_size(res)); + if (ether->reg == NULL) { + dev_err(&pdev->dev, "failed to remap I/O memory\n"); + error = -ENXIO; + goto failed_free_mem; + } + + ether->txirq = platform_get_irq(pdev, 0); + if (ether->txirq < 0) { + dev_err(&pdev->dev, "failed to get ether tx irq\n"); + error = -ENXIO; + goto failed_free_io; + } + + ether->rxirq = platform_get_irq(pdev, 1); + if (ether->rxirq < 0) { + dev_err(&pdev->dev, "failed to get ether rx irq\n"); + error = -ENXIO; + goto failed_free_txirq; + } + + platform_set_drvdata(pdev, dev); + + ether->clk = clk_get(&pdev->dev, NULL); + if (IS_ERR(ether->clk)) { + dev_err(&pdev->dev, "failed to get ether clock\n"); + error = PTR_ERR(ether->clk); + goto failed_free_rxirq; + } + + ether->rmiiclk = clk_get(&pdev->dev, "RMII"); + if (IS_ERR(ether->rmiiclk)) { + dev_err(&pdev->dev, "failed to get ether clock\n"); + error = PTR_ERR(ether->rmiiclk); + goto failed_put_clk; + } + + ether->pdev = pdev; + + w90p910_ether_setup(dev); + + error = register_netdev(dev); + if (error != 0) { + dev_err(&pdev->dev, "Regiter EMC w90p910 FAILED\n"); + error = -ENODEV; + goto failed_put_rmiiclk; + } + + return 0; +failed_put_rmiiclk: + clk_put(ether->rmiiclk); +failed_put_clk: + clk_put(ether->clk); +failed_free_rxirq: + free_irq(ether->rxirq, pdev); + platform_set_drvdata(pdev, NULL); +failed_free_txirq: + free_irq(ether->txirq, pdev); +failed_free_io: + iounmap(ether->reg); +failed_free_mem: + release_mem_region(res->start, resource_size(res)); +failed_free: + free_netdev(dev); + return error; +} + +static int __devexit w90p910_ether_remove(struct platform_device *pdev) +{ + struct net_device *dev = platform_get_drvdata(pdev); + struct w90p910_ether *ether = netdev_priv(dev); + + unregister_netdev(dev); + clk_put(ether->rmiiclk); + clk_put(ether->clk); + del_timer_sync(ðer->check_timer); + platform_set_drvdata(pdev, NULL); + free_netdev(dev); + return 0; +} + +static struct platform_driver w90p910_ether_driver = { + .probe = w90p910_ether_probe, + .remove = __devexit_p(w90p910_ether_remove), + .driver = { + .name = "w90p910-emc", + .owner = THIS_MODULE, + }, +}; + +static int __init w90p910_ether_init(void) +{ + return platform_driver_register(&w90p910_ether_driver); +} + +static void __exit w90p910_ether_exit(void) +{ + platform_driver_unregister(&w90p910_ether_driver); +} + +module_init(w90p910_ether_init); +module_exit(w90p910_ether_exit); + +MODULE_AUTHOR("Wan ZongShun <mcuos.com@gmail.com>"); +MODULE_DESCRIPTION("w90p910 MAC driver!"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:w90p910-emc"); + diff --git a/drivers/net/at1700.c b/drivers/net/at1700.c index 18b566a..cf30e27 100644 --- a/drivers/net/at1700.c +++ b/drivers/net/at1700.c @@ -318,7 +318,7 @@ static int __init at1700_probe1(struct net_device *dev, int ioaddr) pos3 = mca_read_stored_pos( slot, 3 ); pos4 = mca_read_stored_pos( slot, 4 ); - for (l_i = 0; l_i < 0x09; l_i++) + for (l_i = 0; l_i < 8; l_i++) if (( pos3 & 0x07) == at1700_ioaddr_pattern[l_i]) break; ioaddr = at1700_mca_probe_list[l_i]; diff --git a/drivers/net/atl1c/atl1c.h b/drivers/net/atl1c/atl1c.h index e1658ef..2a1120a 100644 --- a/drivers/net/atl1c/atl1c.h +++ b/drivers/net/atl1c/atl1c.h @@ -188,14 +188,14 @@ struct atl1c_tpd_ext_desc { #define RRS_HDS_TYPE_DATA 2 #define RRS_IS_NO_HDS_TYPE(flag) \ - (((flag) >> (RRS_HDS_TYPE_SHIFT)) & RRS_HDS_TYPE_MASK == 0) + ((((flag) >> (RRS_HDS_TYPE_SHIFT)) & RRS_HDS_TYPE_MASK) == 0) #define RRS_IS_HDS_HEAD(flag) \ - (((flag) >> (RRS_HDS_TYPE_SHIFT)) & RRS_HDS_TYPE_MASK == \ + ((((flag) >> (RRS_HDS_TYPE_SHIFT)) & RRS_HDS_TYPE_MASK) == \ RRS_HDS_TYPE_HEAD) #define RRS_IS_HDS_DATA(flag) \ - (((flag) >> (RRS_HDS_TYPE_SHIFT)) & RRS_HDS_TYPE_MASK == \ + ((((flag) >> (RRS_HDS_TYPE_SHIFT)) & RRS_HDS_TYPE_MASK) == \ RRS_HDS_TYPE_DATA) /* rrs word 3 bit 0:31 */ @@ -245,7 +245,7 @@ struct atl1c_tpd_ext_desc { #define RRS_PACKET_TYPE_802_3 1 #define RRS_PACKET_TYPE_ETH 0 #define RRS_PACKET_IS_ETH(word) \ - (((word) >> RRS_PACKET_TYPE_SHIFT) & RRS_PACKET_TYPE_MASK == \ + ((((word) >> RRS_PACKET_TYPE_SHIFT) & RRS_PACKET_TYPE_MASK) == \ RRS_PACKET_TYPE_ETH) #define RRS_RXD_IS_VALID(word) \ ((((word) >> RRS_RXD_UPDATED_SHIFT) & RRS_RXD_UPDATED_MASK) == 1) diff --git a/drivers/net/atl1c/atl1c_main.c b/drivers/net/atl1c/atl1c_main.c index cd547a2..a383122 100644 --- a/drivers/net/atl1c/atl1c_main.c +++ b/drivers/net/atl1c/atl1c_main.c @@ -1689,7 +1689,7 @@ static void atl1c_clean_rx_irq(struct atl1c_adapter *adapter, u8 que, if (likely(RRS_RXD_IS_VALID(rrs->word3))) { rfd_num = (rrs->word0 >> RRS_RX_RFD_CNT_SHIFT) & RRS_RX_RFD_CNT_MASK; - if (unlikely(rfd_num) != 1) + if (unlikely(rfd_num != 1)) /* TODO support mul rfd*/ if (netif_msg_rx_err(adapter)) dev_warn(&pdev->dev, diff --git a/drivers/net/benet/be_main.c b/drivers/net/benet/be_main.c index c43f6a1..dea3155 100644 --- a/drivers/net/benet/be_main.c +++ b/drivers/net/benet/be_main.c @@ -667,7 +667,7 @@ static void skb_fill_rx_data(struct be_adapter *adapter, struct be_queue_info *rxq = &adapter->rx_obj.q; struct be_rx_page_info *page_info; u16 rxq_idx, i, num_rcvd, j; - u32 pktsize, hdr_len, curr_frag_len; + u32 pktsize, hdr_len, curr_frag_len, size; u8 *start; rxq_idx = AMAP_GET_BITS(struct amap_eth_rx_compl, fragndx, rxcp); @@ -708,12 +708,13 @@ static void skb_fill_rx_data(struct be_adapter *adapter, } /* More frags present for this completion */ - pktsize -= curr_frag_len; /* account for above copied frag */ + size = pktsize; for (i = 1, j = 0; i < num_rcvd; i++) { + size -= curr_frag_len; index_inc(&rxq_idx, rxq->len); page_info = get_rx_page_info(adapter, rxq_idx); - curr_frag_len = min(pktsize, rx_frag_size); + curr_frag_len = min(size, rx_frag_size); /* Coalesce all frags from the same physical page in one slot */ if (page_info->page_offset == 0) { @@ -731,7 +732,6 @@ static void skb_fill_rx_data(struct be_adapter *adapter, skb_shinfo(skb)->frags[j].size += curr_frag_len; skb->len += curr_frag_len; skb->data_len += curr_frag_len; - pktsize -= curr_frag_len; memset(page_info, 0, sizeof(*page_info)); } diff --git a/drivers/net/bnx2x_link.c b/drivers/net/bnx2x_link.c index ed648ac..2ee581a 100644 --- a/drivers/net/bnx2x_link.c +++ b/drivers/net/bnx2x_link.c @@ -4212,13 +4212,14 @@ static void bnx2x_turn_off_sf(struct bnx2x *bp, u8 port) u8 bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 driver_loaded, u8 *version, u16 len) { - struct bnx2x *bp = params->bp; + struct bnx2x *bp; u32 ext_phy_type = 0; u32 spirom_ver = 0; u8 status = 0 ; if (version == NULL || params == NULL) return -EINVAL; + bp = params->bp; spirom_ver = REG_RD(bp, params->shmem_base + offsetof(struct shmem_region, diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index d927f71..aa1be1f 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -1459,8 +1459,16 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev) * ether type (eg ARPHRD_ETHER and ARPHRD_INFINIBAND) share the same bond */ if (bond->slave_cnt == 0) { - if (slave_dev->type != ARPHRD_ETHER) - bond_setup_by_slave(bond_dev, slave_dev); + if (bond_dev->type != slave_dev->type) { + dev_close(bond_dev); + pr_debug("%s: change device type from %d to %d\n", + bond_dev->name, bond_dev->type, slave_dev->type); + if (slave_dev->type != ARPHRD_ETHER) + bond_setup_by_slave(bond_dev, slave_dev); + else + ether_setup(bond_dev); + dev_open(bond_dev); + } } else if (bond_dev->type != slave_dev->type) { pr_err(DRV_NAME ": %s ether type (%d) is different " "from other slaves (%d), can not enslave it.\n", diff --git a/drivers/net/can/dev.c b/drivers/net/can/dev.c index 574daddc..9e4283a 100644 --- a/drivers/net/can/dev.c +++ b/drivers/net/can/dev.c @@ -346,7 +346,7 @@ void can_restart(unsigned long data) skb = dev_alloc_skb(sizeof(struct can_frame)); if (skb == NULL) { err = -ENOMEM; - goto out; + goto restart; } skb->dev = dev; skb->protocol = htons(ETH_P_CAN); @@ -361,13 +361,13 @@ void can_restart(unsigned long data) stats->rx_packets++; stats->rx_bytes += cf->can_dlc; +restart: dev_dbg(dev->dev.parent, "restarted\n"); priv->can_stats.restarts++; /* Now restart the device */ err = priv->do_set_mode(dev, CAN_MODE_START); -out: netif_carrier_on(dev); if (err) dev_err(dev->dev.parent, "Error %d during restart", err); @@ -473,6 +473,10 @@ int open_candev(struct net_device *dev) return -EINVAL; } + /* Switch carrier on if device was stopped while in bus-off state */ + if (!netif_carrier_ok(dev)) + netif_carrier_on(dev); + setup_timer(&priv->restart_timer, can_restart, (unsigned long)dev); return 0; diff --git a/drivers/net/can/sja1000/sja1000.c b/drivers/net/can/sja1000/sja1000.c index 571f133..08ebee7 100644 --- a/drivers/net/can/sja1000/sja1000.c +++ b/drivers/net/can/sja1000/sja1000.c @@ -63,7 +63,6 @@ #include <linux/can.h> #include <linux/can/dev.h> #include <linux/can/error.h> -#include <linux/can/dev.h> #include "sja1000.h" diff --git a/drivers/net/cnic.c b/drivers/net/cnic.c index 4d1515f..4869d77 100644 --- a/drivers/net/cnic.c +++ b/drivers/net/cnic.c @@ -227,7 +227,7 @@ static int cnic_send_nlmsg(struct cnic_local *cp, u32 type, } rcu_read_lock(); - ulp_ops = rcu_dereference(cp->ulp_ops[CNIC_ULP_ISCSI]); + ulp_ops = rcu_dereference(cnic_ulp_tbl[CNIC_ULP_ISCSI]); if (ulp_ops) ulp_ops->iscsi_nl_send_msg(cp->dev, msg_type, buf, len); rcu_read_unlock(); @@ -319,6 +319,20 @@ static int cnic_abort_prep(struct cnic_sock *csk) return 0; } +static void cnic_uio_stop(void) +{ + struct cnic_dev *dev; + + read_lock(&cnic_dev_lock); + list_for_each_entry(dev, &cnic_dev_list, list) { + struct cnic_local *cp = dev->cnic_priv; + + if (cp->cnic_uinfo) + cnic_send_nlmsg(cp, ISCSI_KEVENT_IF_DOWN, NULL); + } + read_unlock(&cnic_dev_lock); +} + int cnic_register_driver(int ulp_type, struct cnic_ulp_ops *ulp_ops) { struct cnic_dev *dev; @@ -390,6 +404,9 @@ int cnic_unregister_driver(int ulp_type) } read_unlock(&cnic_dev_lock); + if (ulp_type == CNIC_ULP_ISCSI) + cnic_uio_stop(); + rcu_assign_pointer(cnic_ulp_tbl[ulp_type], NULL); mutex_unlock(&cnic_lock); @@ -632,7 +649,6 @@ static void cnic_free_resc(struct cnic_dev *dev) int i = 0; if (cp->cnic_uinfo) { - cnic_send_nlmsg(cp, ISCSI_KEVENT_IF_DOWN, NULL); while (cp->uio_dev != -1 && i < 15) { msleep(100); i++; @@ -1057,6 +1073,9 @@ static void cnic_ulp_stop(struct cnic_dev *dev) struct cnic_local *cp = dev->cnic_priv; int if_type; + if (cp->cnic_uinfo) + cnic_send_nlmsg(cp, ISCSI_KEVENT_IF_DOWN, NULL); + rcu_read_lock(); for (if_type = 0; if_type < MAX_CNIC_ULP_TYPE; if_type++) { struct cnic_ulp_ops *ulp_ops; diff --git a/drivers/net/e100.c b/drivers/net/e100.c index efa680f..41b648a 100644 --- a/drivers/net/e100.c +++ b/drivers/net/e100.c @@ -1897,6 +1897,9 @@ static int e100_rx_indicate(struct nic *nic, struct rx *rx, if (ioread8(&nic->csr->scb.status) & rus_no_res) nic->ru_running = RU_SUSPENDED; + pci_dma_sync_single_for_device(nic->pdev, rx->dma_addr, + sizeof(struct rfd), + PCI_DMA_BIDIRECTIONAL); return -ENODATA; } diff --git a/drivers/net/eepro.c b/drivers/net/eepro.c index cc2ab641..4f70034 100644 --- a/drivers/net/eepro.c +++ b/drivers/net/eepro.c @@ -1784,7 +1784,7 @@ int __init init_module(void) printk(KERN_INFO "eepro_init_module: Auto-detecting boards (May God protect us...)\n"); } - for (i = 0; io[i] != -1 && i < MAX_EEPRO; i++) { + for (i = 0; i < MAX_EEPRO && io[i] != -1; i++) { dev = alloc_etherdev(sizeof(struct eepro_local)); if (!dev) break; diff --git a/drivers/net/eexpress.c b/drivers/net/eexpress.c index 1686dca..1f016d6 100644 --- a/drivers/net/eexpress.c +++ b/drivers/net/eexpress.c @@ -1474,13 +1474,13 @@ static void eexp_hw_init586(struct net_device *dev) outw(0x0000, ioaddr + 0x800c); outw(0x0000, ioaddr + 0x800e); - for (i = 0; i < (sizeof(start_code)); i+=32) { + for (i = 0; i < ARRAY_SIZE(start_code) * 2; i+=32) { int j; outw(i, ioaddr + SM_PTR); - for (j = 0; j < 16; j+=2) + for (j = 0; j < 16 && (i+j)/2 < ARRAY_SIZE(start_code); j+=2) outw(start_code[(i+j)/2], ioaddr+0x4000+j); - for (j = 0; j < 16; j+=2) + for (j = 0; j < 16 && (i+j+16)/2 < ARRAY_SIZE(start_code); j+=2) outw(start_code[(i+j+16)/2], ioaddr+0x8000+j); } diff --git a/drivers/net/ehea/ehea.h b/drivers/net/ehea/ehea.h index 78952f8..fa311a9 100644 --- a/drivers/net/ehea/ehea.h +++ b/drivers/net/ehea/ehea.h @@ -40,7 +40,7 @@ #include <asm/io.h> #define DRV_NAME "ehea" -#define DRV_VERSION "EHEA_0101" +#define DRV_VERSION "EHEA_0102" /* eHEA capability flags */ #define DLPAR_PORT_ADD_REM 1 diff --git a/drivers/net/ehea/ehea_main.c b/drivers/net/ehea/ehea_main.c index e8d46cc..977c3d3 100644 --- a/drivers/net/ehea/ehea_main.c +++ b/drivers/net/ehea/ehea_main.c @@ -1545,6 +1545,9 @@ static int ehea_clean_portres(struct ehea_port *port, struct ehea_port_res *pr) { int ret, i; + if (pr->qp) + netif_napi_del(&pr->napi); + ret = ehea_destroy_qp(pr->qp); if (!ret) { diff --git a/drivers/net/fealnx.c b/drivers/net/fealnx.c index 48385c4..160655d 100644 --- a/drivers/net/fealnx.c +++ b/drivers/net/fealnx.c @@ -584,7 +584,8 @@ static int __devinit fealnx_init_one(struct pci_dev *pdev, if (np->flags == HAS_MII_XCVR) { int phy, phy_idx = 0; - for (phy = 1; phy < 32 && phy_idx < 4; phy++) { + for (phy = 1; phy < 32 && phy_idx < ARRAY_SIZE(np->phys); + phy++) { int mii_status = mdio_read(dev, phy, 1); if (mii_status != 0xffff && mii_status != 0x0000) { diff --git a/drivers/net/fs_enet/fs_enet-main.c b/drivers/net/fs_enet/fs_enet-main.c index b892c3a..2bc2d2b 100644 --- a/drivers/net/fs_enet/fs_enet-main.c +++ b/drivers/net/fs_enet/fs_enet-main.c @@ -754,17 +754,16 @@ static int fs_init_phy(struct net_device *dev) fep->oldlink = 0; fep->oldspeed = 0; fep->oldduplex = -1; - if(fep->fpi->phy_node) - phydev = of_phy_connect(dev, fep->fpi->phy_node, - &fs_adjust_link, 0, - PHY_INTERFACE_MODE_MII); - else { - printk("No phy bus ID specified in BSP code\n"); - return -EINVAL; + + phydev = of_phy_connect(dev, fep->fpi->phy_node, &fs_adjust_link, 0, + PHY_INTERFACE_MODE_MII); + if (!phydev) { + phydev = of_phy_connect_fixed_link(dev, &fs_adjust_link, + PHY_INTERFACE_MODE_MII); } - if (IS_ERR(phydev)) { - printk(KERN_ERR "%s: Could not attach to PHY\n", dev->name); - return PTR_ERR(phydev); + if (!phydev) { + dev_err(&dev->dev, "Could not attach to PHY\n"); + return -ENODEV; } fep->phydev = phydev; @@ -1005,6 +1004,7 @@ static int __devinit fs_enet_probe(struct of_device *ofdev, goto out_free_fpi; } + SET_NETDEV_DEV(ndev, &ofdev->dev); dev_set_drvdata(&ofdev->dev, ndev); fep = netdev_priv(ndev); diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c index 43d813e..f8ffcbf 100644 --- a/drivers/net/gianfar.c +++ b/drivers/net/gianfar.c @@ -264,15 +264,6 @@ static int gfar_of_init(struct net_device *dev) priv->device_flags |= FSL_GIANFAR_DEV_HAS_MAGIC_PACKET; priv->phy_node = of_parse_phandle(np, "phy-handle", 0); - if (!priv->phy_node) { - u32 *fixed_link; - - fixed_link = (u32 *)of_get_property(np, "fixed-link", NULL); - if (!fixed_link) { - err = -ENODEV; - goto err_out; - } - } /* Find the TBI PHY. If it's not there, we don't support SGMII */ priv->tbi_node = of_parse_phandle(np, "tbi-handle", 0); @@ -659,13 +650,14 @@ static int init_phy(struct net_device *dev) interface = gfar_get_interface(dev); - if (priv->phy_node) { - priv->phydev = of_phy_connect(dev, priv->phy_node, &adjust_link, - 0, interface); - if (!priv->phydev) { - dev_err(&dev->dev, "error: Could not attach to PHY\n"); - return -ENODEV; - } + priv->phydev = of_phy_connect(dev, priv->phy_node, &adjust_link, 0, + interface); + if (!priv->phydev) + priv->phydev = of_phy_connect_fixed_link(dev, &adjust_link, + interface); + if (!priv->phydev) { + dev_err(&dev->dev, "could not attach to PHY\n"); + return -ENODEV; } if (interface == PHY_INTERFACE_MODE_SGMII) diff --git a/drivers/net/gianfar_ethtool.c b/drivers/net/gianfar_ethtool.c index dbf06e9..2234118 100644 --- a/drivers/net/gianfar_ethtool.c +++ b/drivers/net/gianfar_ethtool.c @@ -366,9 +366,8 @@ static int gfar_scoalesce(struct net_device *dev, struct ethtool_coalesce *cvals return -EINVAL; } - priv->rxic = mk_ic_value( - gfar_usecs2ticks(priv, cvals->rx_coalesce_usecs), - cvals->rx_max_coalesced_frames); + priv->rxic = mk_ic_value(cvals->rx_max_coalesced_frames, + gfar_usecs2ticks(priv, cvals->rx_coalesce_usecs)); /* Set up tx coalescing */ if ((cvals->tx_coalesce_usecs == 0) || @@ -390,9 +389,8 @@ static int gfar_scoalesce(struct net_device *dev, struct ethtool_coalesce *cvals return -EINVAL; } - priv->txic = mk_ic_value( - gfar_usecs2ticks(priv, cvals->tx_coalesce_usecs), - cvals->tx_max_coalesced_frames); + priv->txic = mk_ic_value(cvals->tx_max_coalesced_frames, + gfar_usecs2ticks(priv, cvals->tx_coalesce_usecs)); gfar_write(&priv->regs->rxic, 0); if (priv->rxcoalescing) diff --git a/drivers/net/hamradio/6pack.c b/drivers/net/hamradio/6pack.c index 1551600..981ab53 100644 --- a/drivers/net/hamradio/6pack.c +++ b/drivers/net/hamradio/6pack.c @@ -3,7 +3,7 @@ * devices like TTY. It interfaces between a raw TTY and the * kernel's AX.25 protocol layers. * - * Authors: Andreas Könsgen <ajk@iehk.rwth-aachen.de> + * Authors: Andreas Könsgen <ajk@comnets.uni-bremen.de> * Ralf Baechle DL5RB <ralf@linux-mips.org> * * Quite a lot of stuff "stolen" by Joerg Reuter from slip.c, written by diff --git a/drivers/net/ibm_newemac/rgmii.c b/drivers/net/ibm_newemac/rgmii.c index 1d5379d..8d76cb8 100644 --- a/drivers/net/ibm_newemac/rgmii.c +++ b/drivers/net/ibm_newemac/rgmii.c @@ -188,11 +188,12 @@ void rgmii_put_mdio(struct of_device *ofdev, int input) void rgmii_detach(struct of_device *ofdev, int input) { struct rgmii_instance *dev = dev_get_drvdata(&ofdev->dev); - struct rgmii_regs __iomem *p = dev->base; - - mutex_lock(&dev->lock); + struct rgmii_regs __iomem *p; BUG_ON(!dev || dev->users == 0); + p = dev->base; + + mutex_lock(&dev->lock); RGMII_DBG(dev, "detach(%d)" NL, input); diff --git a/drivers/net/igbvf/vf.c b/drivers/net/igbvf/vf.c index 2a4faf9..a9a61ef 100644 --- a/drivers/net/igbvf/vf.c +++ b/drivers/net/igbvf/vf.c @@ -274,6 +274,8 @@ static s32 e1000_set_vfta_vf(struct e1000_hw *hw, u16 vid, bool set) err = mbx->ops.read_posted(hw, msgbuf, 2); + msgbuf[0] &= ~E1000_VT_MSGTYPE_CTS; + /* if nacked the vlan was rejected */ if (!err && (msgbuf[0] == (E1000_VF_SET_VLAN | E1000_VT_MSGTYPE_NACK))) err = -E1000_ERR_MAC_INIT; @@ -317,6 +319,8 @@ static void e1000_rar_set_vf(struct e1000_hw *hw, u8 * addr, u32 index) if (!ret_val) ret_val = mbx->ops.read_posted(hw, msgbuf, 3); + msgbuf[0] &= ~E1000_VT_MSGTYPE_CTS; + /* if nacked the address was rejected, use "perm_addr" */ if (!ret_val && (msgbuf[0] == (E1000_VF_SET_MAC_ADDR | E1000_VT_MSGTYPE_NACK))) diff --git a/drivers/net/ixgbe/ixgbe.h b/drivers/net/ixgbe/ixgbe.h index cd22323c..e11d83d 100644 --- a/drivers/net/ixgbe/ixgbe.h +++ b/drivers/net/ixgbe/ixgbe.h @@ -96,6 +96,8 @@ #define IXGBE_TX_FLAGS_VLAN_PRIO_MASK 0x0000e000 #define IXGBE_TX_FLAGS_VLAN_SHIFT 16 +#define IXGBE_MAX_RSC_INT_RATE 162760 + /* wrapper around a pointer to a socket buffer, * so a DMA handle can be stored along with the buffer */ struct ixgbe_tx_buffer { @@ -327,6 +329,7 @@ struct ixgbe_adapter { #define IXGBE_FLAG_IN_SFP_MOD_TASK (u32)(1 << 25) #define IXGBE_FLAG_FDIR_HASH_CAPABLE (u32)(1 << 26) #define IXGBE_FLAG_FDIR_PERFECT_CAPABLE (u32)(1 << 27) +#define IXGBE_FLAG_FCOE_CAPABLE (u32)(1 << 28) #define IXGBE_FLAG_FCOE_ENABLED (u32)(1 << 29) u32 flags2; diff --git a/drivers/net/ixgbe/ixgbe_82598.c b/drivers/net/ixgbe/ixgbe_82598.c index b992304..522c03b 100644 --- a/drivers/net/ixgbe/ixgbe_82598.c +++ b/drivers/net/ixgbe/ixgbe_82598.c @@ -50,6 +50,51 @@ static s32 ixgbe_read_i2c_eeprom_82598(struct ixgbe_hw *hw, u8 byte_offset, u8 *eeprom_data); /** + * ixgbe_set_pcie_completion_timeout - set pci-e completion timeout + * @hw: pointer to the HW structure + * + * The defaults for 82598 should be in the range of 50us to 50ms, + * however the hardware default for these parts is 500us to 1ms which is less + * than the 10ms recommended by the pci-e spec. To address this we need to + * increase the value to either 10ms to 250ms for capability version 1 config, + * or 16ms to 55ms for version 2. + **/ +void ixgbe_set_pcie_completion_timeout(struct ixgbe_hw *hw) +{ + struct ixgbe_adapter *adapter = hw->back; + u32 gcr = IXGBE_READ_REG(hw, IXGBE_GCR); + u16 pcie_devctl2; + + /* only take action if timeout value is defaulted to 0 */ + if (gcr & IXGBE_GCR_CMPL_TMOUT_MASK) + goto out; + + /* + * if capababilities version is type 1 we can write the + * timeout of 10ms to 250ms through the GCR register + */ + if (!(gcr & IXGBE_GCR_CAP_VER2)) { + gcr |= IXGBE_GCR_CMPL_TMOUT_10ms; + goto out; + } + + /* + * for version 2 capabilities we need to write the config space + * directly in order to set the completion timeout value for + * 16ms to 55ms + */ + pci_read_config_word(adapter->pdev, + IXGBE_PCI_DEVICE_CONTROL2, &pcie_devctl2); + pcie_devctl2 |= IXGBE_PCI_DEVICE_CONTROL2_16ms; + pci_write_config_word(adapter->pdev, + IXGBE_PCI_DEVICE_CONTROL2, pcie_devctl2); +out: + /* disable completion timeout resend */ + gcr &= ~IXGBE_GCR_CMPL_TMOUT_RESEND; + IXGBE_WRITE_REG(hw, IXGBE_GCR, gcr); +} + +/** * ixgbe_get_pcie_msix_count_82598 - Gets MSI-X vector count * @hw: pointer to hardware structure * @@ -153,6 +198,26 @@ out: } /** + * ixgbe_start_hw_82598 - Prepare hardware for Tx/Rx + * @hw: pointer to hardware structure + * + * Starts the hardware using the generic start_hw function. + * Then set pcie completion timeout + **/ +s32 ixgbe_start_hw_82598(struct ixgbe_hw *hw) +{ + s32 ret_val = 0; + + ret_val = ixgbe_start_hw_generic(hw); + + /* set the completion timeout for interface */ + if (ret_val == 0) + ixgbe_set_pcie_completion_timeout(hw); + + return ret_val; +} + +/** * ixgbe_get_link_capabilities_82598 - Determines link capabilities * @hw: pointer to hardware structure * @speed: pointer to link speed @@ -1085,7 +1150,7 @@ out: static struct ixgbe_mac_operations mac_ops_82598 = { .init_hw = &ixgbe_init_hw_generic, .reset_hw = &ixgbe_reset_hw_82598, - .start_hw = &ixgbe_start_hw_generic, + .start_hw = &ixgbe_start_hw_82598, .clear_hw_cntrs = &ixgbe_clear_hw_cntrs_generic, .get_media_type = &ixgbe_get_media_type_82598, .get_supported_physical_layer = &ixgbe_get_supported_physical_layer_82598, diff --git a/drivers/net/ixgbe/ixgbe_dcb_nl.c b/drivers/net/ixgbe/ixgbe_dcb_nl.c index 7c5978a..1c72657 100644 --- a/drivers/net/ixgbe/ixgbe_dcb_nl.c +++ b/drivers/net/ixgbe/ixgbe_dcb_nl.c @@ -106,8 +106,6 @@ static u8 ixgbe_dcbnl_get_state(struct net_device *netdev) { struct ixgbe_adapter *adapter = netdev_priv(netdev); - DPRINTK(DRV, INFO, "Get DCB Admin Mode.\n"); - return !!(adapter->flags & IXGBE_FLAG_DCB_ENABLED); } @@ -116,8 +114,6 @@ static u8 ixgbe_dcbnl_set_state(struct net_device *netdev, u8 state) u8 err = 0; struct ixgbe_adapter *adapter = netdev_priv(netdev); - DPRINTK(DRV, INFO, "Set DCB Admin Mode.\n"); - if (state > 0) { /* Turn on DCB */ if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) @@ -143,6 +139,18 @@ static u8 ixgbe_dcbnl_set_state(struct net_device *netdev, u8 state) adapter->flags &= ~IXGBE_FLAG_FDIR_PERFECT_CAPABLE; } adapter->flags |= IXGBE_FLAG_DCB_ENABLED; +#ifdef IXGBE_FCOE + /* Turn on FCoE offload */ + if ((adapter->flags & IXGBE_FLAG_FCOE_CAPABLE) && + (!(adapter->flags & IXGBE_FLAG_FCOE_ENABLED))) { + adapter->flags |= IXGBE_FLAG_FCOE_ENABLED; + adapter->ring_feature[RING_F_FCOE].indices = + IXGBE_FCRETA_SIZE; + netdev->features |= NETIF_F_FCOE_CRC; + netdev->features |= NETIF_F_FSO; + netdev->fcoe_ddp_xid = IXGBE_FCOE_DDP_MAX - 1; + } +#endif /* IXGBE_FCOE */ ixgbe_init_interrupt_scheme(adapter); if (netif_running(netdev)) netdev->netdev_ops->ndo_open(netdev); @@ -160,6 +168,18 @@ static u8 ixgbe_dcbnl_set_state(struct net_device *netdev, u8 state) adapter->flags |= IXGBE_FLAG_RSS_ENABLED; if (adapter->hw.mac.type == ixgbe_mac_82599EB) adapter->flags |= IXGBE_FLAG_FDIR_HASH_CAPABLE; + +#ifdef IXGBE_FCOE + /* Turn off FCoE offload */ + if (adapter->flags & (IXGBE_FLAG_FCOE_CAPABLE | + IXGBE_FLAG_FCOE_ENABLED)) { + adapter->flags &= ~IXGBE_FLAG_FCOE_ENABLED; + adapter->ring_feature[RING_F_FCOE].indices = 0; + netdev->features &= ~NETIF_F_FCOE_CRC; + netdev->features &= ~NETIF_F_FSO; + netdev->fcoe_ddp_xid = 0; + } +#endif /* IXGBE_FCOE */ ixgbe_init_interrupt_scheme(adapter); if (netif_running(netdev)) netdev->netdev_ops->ndo_open(netdev); @@ -175,6 +195,8 @@ static void ixgbe_dcbnl_get_perm_hw_addr(struct net_device *netdev, struct ixgbe_adapter *adapter = netdev_priv(netdev); int i, j; + memset(perm_addr, 0xff, MAX_ADDR_LEN); + for (i = 0; i < netdev->addr_len; i++) perm_addr[i] = adapter->hw.mac.perm_addr[i]; diff --git a/drivers/net/ixgbe/ixgbe_ethtool.c b/drivers/net/ixgbe/ixgbe_ethtool.c index 2a97800..79144e9 100644 --- a/drivers/net/ixgbe/ixgbe_ethtool.c +++ b/drivers/net/ixgbe/ixgbe_ethtool.c @@ -1975,7 +1975,10 @@ static int ixgbe_set_coalesce(struct net_device *netdev, * any other value means disable eitr, which is best * served by setting the interrupt rate very high */ - adapter->eitr_param = IXGBE_MAX_INT_RATE; + if (adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED) + adapter->eitr_param = IXGBE_MAX_RSC_INT_RATE; + else + adapter->eitr_param = IXGBE_MAX_INT_RATE; adapter->itr_setting = 0; } @@ -1999,13 +2002,13 @@ static int ixgbe_set_flags(struct net_device *netdev, u32 data) ethtool_op_set_flags(netdev, data); - if (!(adapter->flags & IXGBE_FLAG2_RSC_CAPABLE)) + if (!(adapter->flags2 & IXGBE_FLAG2_RSC_CAPABLE)) return 0; /* if state changes we need to update adapter->flags and reset */ if ((!!(data & ETH_FLAG_LRO)) != - (!!(adapter->flags & IXGBE_FLAG2_RSC_ENABLED))) { - adapter->flags ^= IXGBE_FLAG2_RSC_ENABLED; + (!!(adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED))) { + adapter->flags2 ^= IXGBE_FLAG2_RSC_ENABLED; if (netif_running(netdev)) ixgbe_reinit_locked(adapter); else diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c index e3442f4..110c65a 100644 --- a/drivers/net/ixgbe/ixgbe_main.c +++ b/drivers/net/ixgbe/ixgbe_main.c @@ -34,6 +34,7 @@ #include <linux/in.h> #include <linux/ip.h> #include <linux/tcp.h> +#include <linux/pkt_sched.h> #include <linux/ipv6.h> #include <net/checksum.h> #include <net/ip6_checksum.h> @@ -510,8 +511,11 @@ static void ixgbe_receive_skb(struct ixgbe_q_vector *q_vector, * @skb: skb currently being received and modified **/ static inline void ixgbe_rx_checksum(struct ixgbe_adapter *adapter, - u32 status_err, struct sk_buff *skb) + union ixgbe_adv_rx_desc *rx_desc, + struct sk_buff *skb) { + u32 status_err = le32_to_cpu(rx_desc->wb.upper.status_error); + skb->ip_summed = CHECKSUM_NONE; /* Rx csum disabled */ @@ -529,6 +533,16 @@ static inline void ixgbe_rx_checksum(struct ixgbe_adapter *adapter, return; if (status_err & IXGBE_RXDADV_ERR_TCPE) { + u16 pkt_info = rx_desc->wb.lower.lo_dword.hs_rss.pkt_info; + + /* + * 82599 errata, UDP frames with a 0 checksum can be marked as + * checksum errors. + */ + if ((pkt_info & IXGBE_RXDADV_PKTTYPE_UDP) && + (adapter->hw.mac.type == ixgbe_mac_82599EB)) + return; + adapter->hw_csum_rx_error++; return; } @@ -766,7 +780,7 @@ static bool ixgbe_clean_rx_irq(struct ixgbe_q_vector *q_vector, prefetch(next_rxd); cleaned_count++; - if (adapter->flags & IXGBE_FLAG2_RSC_CAPABLE) + if (adapter->flags2 & IXGBE_FLAG2_RSC_CAPABLE) rsc_count = ixgbe_get_rsc_count(rx_desc); if (rsc_count) { @@ -802,7 +816,7 @@ static bool ixgbe_clean_rx_irq(struct ixgbe_q_vector *q_vector, goto next_desc; } - ixgbe_rx_checksum(adapter, staterr, skb); + ixgbe_rx_checksum(adapter, rx_desc, skb); /* probably a little skewed due to removing CRC */ total_rx_bytes += skb->len; @@ -2022,7 +2036,7 @@ static void ixgbe_configure_rx(struct ixgbe_adapter *adapter) IXGBE_WRITE_REG(hw, IXGBE_PSRTYPE(0), psrtype); } } else { - if (!(adapter->flags & IXGBE_FLAG2_RSC_ENABLED) && + if (!(adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED) && (netdev->mtu <= ETH_DATA_LEN)) rx_buf_len = MAXIMUM_ETHERNET_VLAN_SIZE; else @@ -2151,7 +2165,7 @@ static void ixgbe_configure_rx(struct ixgbe_adapter *adapter) IXGBE_WRITE_REG(hw, IXGBE_RDRXCTL, rdrxctl); } - if (adapter->flags & IXGBE_FLAG2_RSC_ENABLED) { + if (adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED) { /* Enable 82599 HW-RSC */ for (i = 0; i < adapter->num_rx_queues; i++) { j = adapter->rx_ring[i].reg_idx; @@ -3798,16 +3812,17 @@ static int __devinit ixgbe_sw_init(struct ixgbe_adapter *adapter) adapter->max_msix_q_vectors = MAX_MSIX_Q_VECTORS_82598; } else if (hw->mac.type == ixgbe_mac_82599EB) { adapter->max_msix_q_vectors = MAX_MSIX_Q_VECTORS_82599; - adapter->flags |= IXGBE_FLAG2_RSC_CAPABLE; - adapter->flags |= IXGBE_FLAG2_RSC_ENABLED; + adapter->flags2 |= IXGBE_FLAG2_RSC_CAPABLE; + adapter->flags2 |= IXGBE_FLAG2_RSC_ENABLED; adapter->flags |= IXGBE_FLAG_FDIR_HASH_CAPABLE; adapter->ring_feature[RING_F_FDIR].indices = IXGBE_MAX_FDIR_INDICES; adapter->atr_sample_rate = 20; adapter->fdir_pballoc = 0; #ifdef IXGBE_FCOE - adapter->flags |= IXGBE_FLAG_FCOE_ENABLED; - adapter->ring_feature[RING_F_FCOE].indices = IXGBE_FCRETA_SIZE; + adapter->flags |= IXGBE_FLAG_FCOE_CAPABLE; + adapter->flags &= ~IXGBE_FLAG_FCOE_ENABLED; + adapter->ring_feature[RING_F_FCOE].indices = 0; #endif /* IXGBE_FCOE */ } @@ -5125,9 +5140,6 @@ static int ixgbe_xmit_frame(struct sk_buff *skb, struct net_device *netdev) int count = 0; unsigned int f; - r_idx = skb->queue_mapping; - tx_ring = &adapter->tx_ring[r_idx]; - if (adapter->vlgrp && vlan_tx_tag_present(skb)) { tx_flags |= vlan_tx_tag_get(skb); if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) { @@ -5137,11 +5149,19 @@ static int ixgbe_xmit_frame(struct sk_buff *skb, struct net_device *netdev) tx_flags <<= IXGBE_TX_FLAGS_VLAN_SHIFT; tx_flags |= IXGBE_TX_FLAGS_VLAN; } else if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) { - tx_flags |= (skb->queue_mapping << 13); - tx_flags <<= IXGBE_TX_FLAGS_VLAN_SHIFT; - tx_flags |= IXGBE_TX_FLAGS_VLAN; + if (skb->priority != TC_PRIO_CONTROL) { + tx_flags |= (skb->queue_mapping << 13); + tx_flags <<= IXGBE_TX_FLAGS_VLAN_SHIFT; + tx_flags |= IXGBE_TX_FLAGS_VLAN; + } else { + skb->queue_mapping = + adapter->ring_feature[RING_F_DCB].indices-1; + } } + r_idx = skb->queue_mapping; + tx_ring = &adapter->tx_ring[r_idx]; + if ((adapter->flags & IXGBE_FLAG_FCOE_ENABLED) && (skb->protocol == htons(ETH_P_FCOE))) tx_flags |= IXGBE_TX_FLAGS_FCOE; @@ -5340,12 +5360,19 @@ static int ixgbe_del_sanmac_netdev(struct net_device *dev) static void ixgbe_netpoll(struct net_device *netdev) { struct ixgbe_adapter *adapter = netdev_priv(netdev); + int i; - disable_irq(adapter->pdev->irq); adapter->flags |= IXGBE_FLAG_IN_NETPOLL; - ixgbe_intr(adapter->pdev->irq, netdev); + if (adapter->flags & IXGBE_FLAG_MSIX_ENABLED) { + int num_q_vectors = adapter->num_msix_vectors - NON_Q_VECTORS; + for (i = 0; i < num_q_vectors; i++) { + struct ixgbe_q_vector *q_vector = adapter->q_vector[i]; + ixgbe_msix_clean_many(0, q_vector); + } + } else { + ixgbe_intr(adapter->pdev->irq, netdev); + } adapter->flags &= ~IXGBE_FLAG_IN_NETPOLL; - enable_irq(adapter->pdev->irq); } #endif @@ -5580,23 +5607,18 @@ static int __devinit ixgbe_probe(struct pci_dev *pdev, #endif #ifdef IXGBE_FCOE - if (adapter->flags & IXGBE_FLAG_FCOE_ENABLED) { + if (adapter->flags & IXGBE_FLAG_FCOE_CAPABLE) { if (hw->mac.ops.get_device_caps) { hw->mac.ops.get_device_caps(hw, &device_caps); - if (!(device_caps & IXGBE_DEVICE_CAPS_FCOE_OFFLOADS)) { - netdev->features |= NETIF_F_FCOE_CRC; - netdev->features |= NETIF_F_FSO; - netdev->fcoe_ddp_xid = IXGBE_FCOE_DDP_MAX - 1; - } else { - adapter->flags &= ~IXGBE_FLAG_FCOE_ENABLED; - } + if (device_caps & IXGBE_DEVICE_CAPS_FCOE_OFFLOADS) + adapter->flags &= ~IXGBE_FLAG_FCOE_CAPABLE; } } #endif /* IXGBE_FCOE */ if (pci_using_dac) netdev->features |= NETIF_F_HIGHDMA; - if (adapter->flags & IXGBE_FLAG2_RSC_ENABLED) + if (adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED) netdev->features |= NETIF_F_LRO; /* make sure the EEPROM is good */ @@ -5638,7 +5660,6 @@ static int __devinit ixgbe_probe(struct pci_dev *pdev, adapter->wol = 0; break; } - device_init_wakeup(&adapter->pdev->dev, true); device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol); /* pick up the PCI bus settings for reporting later */ diff --git a/drivers/net/ixgbe/ixgbe_type.h b/drivers/net/ixgbe/ixgbe_type.h index fa87309..be90eb4 100644 --- a/drivers/net/ixgbe/ixgbe_type.h +++ b/drivers/net/ixgbe/ixgbe_type.h @@ -718,6 +718,12 @@ #define IXGBE_ECC_STATUS_82599 0x110E0 #define IXGBE_BAR_CTRL_82599 0x110F4 +/* PCI Express Control */ +#define IXGBE_GCR_CMPL_TMOUT_MASK 0x0000F000 +#define IXGBE_GCR_CMPL_TMOUT_10ms 0x00001000 +#define IXGBE_GCR_CMPL_TMOUT_RESEND 0x00010000 +#define IXGBE_GCR_CAP_VER2 0x00040000 + /* Time Sync Registers */ #define IXGBE_TSYNCRXCTL 0x05188 /* Rx Time Sync Control register - RW */ #define IXGBE_TSYNCTXCTL 0x08C00 /* Tx Time Sync Control register - RW */ @@ -1521,6 +1527,7 @@ /* PCI Bus Info */ #define IXGBE_PCI_LINK_STATUS 0xB2 +#define IXGBE_PCI_DEVICE_CONTROL2 0xC8 #define IXGBE_PCI_LINK_WIDTH 0x3F0 #define IXGBE_PCI_LINK_WIDTH_1 0x10 #define IXGBE_PCI_LINK_WIDTH_2 0x20 @@ -1531,6 +1538,7 @@ #define IXGBE_PCI_LINK_SPEED_5000 0x2 #define IXGBE_PCI_HEADER_TYPE_REGISTER 0x0E #define IXGBE_PCI_HEADER_TYPE_MULTIFUNC 0x80 +#define IXGBE_PCI_DEVICE_CONTROL2_16ms 0x0005 /* Number of 100 microseconds we wait for PCI Express master disable */ #define IXGBE_PCI_MASTER_DISABLE_TIMEOUT 800 diff --git a/drivers/net/jazzsonic.c b/drivers/net/jazzsonic.c index d12106b..2f28609 100644 --- a/drivers/net/jazzsonic.c +++ b/drivers/net/jazzsonic.c @@ -229,6 +229,7 @@ static int __init jazz_sonic_probe(struct platform_device *pdev) lp = netdev_priv(dev); lp->device = &pdev->dev; SET_NETDEV_DEV(dev, &pdev->dev); + platform_set_drvdata(pdev, dev); netdev_boot_setup_check(dev); diff --git a/drivers/net/ks8851.c b/drivers/net/ks8851.c new file mode 100644 index 0000000..9a1dea6 --- /dev/null +++ b/drivers/net/ks8851.c @@ -0,0 +1,1322 @@ +/* drivers/net/ks8651.c + * + * Copyright 2009 Simtec Electronics + * http://www.simtec.co.uk/ + * Ben Dooks <ben@simtec.co.uk> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#define DEBUG + +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/netdevice.h> +#include <linux/etherdevice.h> +#include <linux/ethtool.h> +#include <linux/cache.h> +#include <linux/crc32.h> +#include <linux/mii.h> + +#include <linux/spi/spi.h> + +#include "ks8851.h" + +/** + * struct ks8851_rxctrl - KS8851 driver rx control + * @mchash: Multicast hash-table data. + * @rxcr1: KS_RXCR1 register setting + * @rxcr2: KS_RXCR2 register setting + * + * Representation of the settings needs to control the receive filtering + * such as the multicast hash-filter and the receive register settings. This + * is used to make the job of working out if the receive settings change and + * then issuing the new settings to the worker that will send the necessary + * commands. + */ +struct ks8851_rxctrl { + u16 mchash[4]; + u16 rxcr1; + u16 rxcr2; +}; + +/** + * union ks8851_tx_hdr - tx header data + * @txb: The header as bytes + * @txw: The header as 16bit, little-endian words + * + * A dual representation of the tx header data to allow + * access to individual bytes, and to allow 16bit accesses + * with 16bit alignment. + */ +union ks8851_tx_hdr { + u8 txb[6]; + __le16 txw[3]; +}; + +/** + * struct ks8851_net - KS8851 driver private data + * @netdev: The network device we're bound to + * @spidev: The spi device we're bound to. + * @lock: Lock to ensure that the device is not accessed when busy. + * @statelock: Lock on this structure for tx list. + * @mii: The MII state information for the mii calls. + * @rxctrl: RX settings for @rxctrl_work. + * @tx_work: Work queue for tx packets + * @irq_work: Work queue for servicing interrupts + * @rxctrl_work: Work queue for updating RX mode and multicast lists + * @txq: Queue of packets for transmission. + * @spi_msg1: pre-setup SPI transfer with one message, @spi_xfer1. + * @spi_msg2: pre-setup SPI transfer with two messages, @spi_xfer2. + * @txh: Space for generating packet TX header in DMA-able data + * @rxd: Space for receiving SPI data, in DMA-able space. + * @txd: Space for transmitting SPI data, in DMA-able space. + * @msg_enable: The message flags controlling driver output (see ethtool). + * @fid: Incrementing frame id tag. + * @rc_ier: Cached copy of KS_IER. + * @rc_rxqcr: Cached copy of KS_RXQCR. + * + * The @lock ensures that the chip is protected when certain operations are + * in progress. When the read or write packet transfer is in progress, most + * of the chip registers are not ccessible until the transfer is finished and + * the DMA has been de-asserted. + * + * The @statelock is used to protect information in the structure which may + * need to be accessed via several sources, such as the network driver layer + * or one of the work queues. + * + * We align the buffers we may use for rx/tx to ensure that if the SPI driver + * wants to DMA map them, it will not have any problems with data the driver + * modifies. + */ +struct ks8851_net { + struct net_device *netdev; + struct spi_device *spidev; + struct mutex lock; + spinlock_t statelock; + + union ks8851_tx_hdr txh ____cacheline_aligned; + u8 rxd[8]; + u8 txd[8]; + + u32 msg_enable ____cacheline_aligned; + u16 tx_space; + u8 fid; + + u16 rc_ier; + u16 rc_rxqcr; + + struct mii_if_info mii; + struct ks8851_rxctrl rxctrl; + + struct work_struct tx_work; + struct work_struct irq_work; + struct work_struct rxctrl_work; + + struct sk_buff_head txq; + + struct spi_message spi_msg1; + struct spi_message spi_msg2; + struct spi_transfer spi_xfer1; + struct spi_transfer spi_xfer2[2]; +}; + +static int msg_enable; + +#define ks_info(_ks, _msg...) dev_info(&(_ks)->spidev->dev, _msg) +#define ks_warn(_ks, _msg...) dev_warn(&(_ks)->spidev->dev, _msg) +#define ks_dbg(_ks, _msg...) dev_dbg(&(_ks)->spidev->dev, _msg) +#define ks_err(_ks, _msg...) dev_err(&(_ks)->spidev->dev, _msg) + +/* shift for byte-enable data */ +#define BYTE_EN(_x) ((_x) << 2) + +/* turn register number and byte-enable mask into data for start of packet */ +#define MK_OP(_byteen, _reg) (BYTE_EN(_byteen) | (_reg) << (8+2) | (_reg) >> 6) + +/* SPI register read/write calls. + * + * All these calls issue SPI transactions to access the chip's registers. They + * all require that the necessary lock is held to prevent accesses when the + * chip is busy transfering packet data (RX/TX FIFO accesses). + */ + +/** + * ks8851_wrreg16 - write 16bit register value to chip + * @ks: The chip state + * @reg: The register address + * @val: The value to write + * + * Issue a write to put the value @val into the register specified in @reg. + */ +static void ks8851_wrreg16(struct ks8851_net *ks, unsigned reg, unsigned val) +{ + struct spi_transfer *xfer = &ks->spi_xfer1; + struct spi_message *msg = &ks->spi_msg1; + __le16 txb[2]; + int ret; + + txb[0] = cpu_to_le16(MK_OP(reg & 2 ? 0xC : 0x03, reg) | KS_SPIOP_WR); + txb[1] = cpu_to_le16(val); + + xfer->tx_buf = txb; + xfer->rx_buf = NULL; + xfer->len = 4; + + ret = spi_sync(ks->spidev, msg); + if (ret < 0) + ks_err(ks, "spi_sync() failed\n"); +} + +/** + * ks8851_rx_1msg - select whether to use one or two messages for spi read + * @ks: The device structure + * + * Return whether to generate a single message with a tx and rx buffer + * supplied to spi_sync(), or alternatively send the tx and rx buffers + * as separate messages. + * + * Depending on the hardware in use, a single message may be more efficient + * on interrupts or work done by the driver. + * + * This currently always returns true until we add some per-device data passed + * from the platform code to specify which mode is better. + */ +static inline bool ks8851_rx_1msg(struct ks8851_net *ks) +{ + return true; +} + +/** + * ks8851_rdreg - issue read register command and return the data + * @ks: The device state + * @op: The register address and byte enables in message format. + * @rxb: The RX buffer to return the result into + * @rxl: The length of data expected. + * + * This is the low level read call that issues the necessary spi message(s) + * to read data from the register specified in @op. + */ +static void ks8851_rdreg(struct ks8851_net *ks, unsigned op, + u8 *rxb, unsigned rxl) +{ + struct spi_transfer *xfer; + struct spi_message *msg; + __le16 *txb = (__le16 *)ks->txd; + u8 *trx = ks->rxd; + int ret; + + txb[0] = cpu_to_le16(op | KS_SPIOP_RD); + + if (ks8851_rx_1msg(ks)) { + msg = &ks->spi_msg1; + xfer = &ks->spi_xfer1; + + xfer->tx_buf = txb; + xfer->rx_buf = trx; + xfer->len = rxl + 2; + } else { + msg = &ks->spi_msg2; + xfer = ks->spi_xfer2; + + xfer->tx_buf = txb; + xfer->rx_buf = NULL; + xfer->len = 2; + + xfer++; + xfer->tx_buf = NULL; + xfer->rx_buf = trx; + xfer->len = rxl; + } + + ret = spi_sync(ks->spidev, msg); + if (ret < 0) + ks_err(ks, "read: spi_sync() failed\n"); + else if (ks8851_rx_1msg(ks)) + memcpy(rxb, trx + 2, rxl); + else + memcpy(rxb, trx, rxl); +} + +/** + * ks8851_rdreg8 - read 8 bit register from device + * @ks: The chip information + * @reg: The register address + * + * Read a 8bit register from the chip, returning the result +*/ +static unsigned ks8851_rdreg8(struct ks8851_net *ks, unsigned reg) +{ + u8 rxb[1]; + + ks8851_rdreg(ks, MK_OP(1 << (reg & 3), reg), rxb, 1); + return rxb[0]; +} + +/** + * ks8851_rdreg16 - read 16 bit register from device + * @ks: The chip information + * @reg: The register address + * + * Read a 16bit register from the chip, returning the result +*/ +static unsigned ks8851_rdreg16(struct ks8851_net *ks, unsigned reg) +{ + __le16 rx = 0; + + ks8851_rdreg(ks, MK_OP(reg & 2 ? 0xC : 0x3, reg), (u8 *)&rx, 2); + return le16_to_cpu(rx); +} + +/** + * ks8851_rdreg32 - read 32 bit register from device + * @ks: The chip information + * @reg: The register address + * + * Read a 32bit register from the chip. + * + * Note, this read requires the address be aligned to 4 bytes. +*/ +static unsigned ks8851_rdreg32(struct ks8851_net *ks, unsigned reg) +{ + __le32 rx = 0; + + WARN_ON(reg & 3); + + ks8851_rdreg(ks, MK_OP(0xf, reg), (u8 *)&rx, 4); + return le32_to_cpu(rx); +} + +/** + * ks8851_soft_reset - issue one of the soft reset to the device + * @ks: The device state. + * @op: The bit(s) to set in the GRR + * + * Issue the relevant soft-reset command to the device's GRR register + * specified by @op. + * + * Note, the delays are in there as a caution to ensure that the reset + * has time to take effect and then complete. Since the datasheet does + * not currently specify the exact sequence, we have chosen something + * that seems to work with our device. + */ +static void ks8851_soft_reset(struct ks8851_net *ks, unsigned op) +{ + ks8851_wrreg16(ks, KS_GRR, op); + mdelay(1); /* wait a short time to effect reset */ + ks8851_wrreg16(ks, KS_GRR, 0); + mdelay(1); /* wait for condition to clear */ +} + +/** + * ks8851_write_mac_addr - write mac address to device registers + * @dev: The network device + * + * Update the KS8851 MAC address registers from the address in @dev. + * + * This call assumes that the chip is not running, so there is no need to + * shutdown the RXQ process whilst setting this. +*/ +static int ks8851_write_mac_addr(struct net_device *dev) +{ + struct ks8851_net *ks = netdev_priv(dev); + u16 *mcp = (u16 *)dev->dev_addr; + + mutex_lock(&ks->lock); + + ks8851_wrreg16(ks, KS_MARL, mcp[0]); + ks8851_wrreg16(ks, KS_MARM, mcp[1]); + ks8851_wrreg16(ks, KS_MARH, mcp[2]); + + mutex_unlock(&ks->lock); + + return 0; +} + +/** + * ks8851_init_mac - initialise the mac address + * @ks: The device structure + * + * Get or create the initial mac address for the device and then set that + * into the station address register. Currently we assume that the device + * does not have a valid mac address in it, and so we use random_ether_addr() + * to create a new one. + * + * In future, the driver should check to see if the device has an EEPROM + * attached and whether that has a valid ethernet address in it. + */ +static void ks8851_init_mac(struct ks8851_net *ks) +{ + struct net_device *dev = ks->netdev; + + random_ether_addr(dev->dev_addr); + ks8851_write_mac_addr(dev); +} + +/** + * ks8851_irq - device interrupt handler + * @irq: Interrupt number passed from the IRQ hnalder. + * @pw: The private word passed to register_irq(), our struct ks8851_net. + * + * Disable the interrupt from happening again until we've processed the + * current status by scheduling ks8851_irq_work(). + */ +static irqreturn_t ks8851_irq(int irq, void *pw) +{ + struct ks8851_net *ks = pw; + + disable_irq_nosync(irq); + schedule_work(&ks->irq_work); + return IRQ_HANDLED; +} + +/** + * ks8851_rdfifo - read data from the receive fifo + * @ks: The device state. + * @buff: The buffer address + * @len: The length of the data to read + * + * Issue an RXQ FIFO read command and read the @len ammount of data from + * the FIFO into the buffer specified by @buff. + */ +static void ks8851_rdfifo(struct ks8851_net *ks, u8 *buff, unsigned len) +{ + struct spi_transfer *xfer = ks->spi_xfer2; + struct spi_message *msg = &ks->spi_msg2; + u8 txb[1]; + int ret; + + if (netif_msg_rx_status(ks)) + ks_dbg(ks, "%s: %d@%p\n", __func__, len, buff); + + /* set the operation we're issuing */ + txb[0] = KS_SPIOP_RXFIFO; + + xfer->tx_buf = txb; + xfer->rx_buf = NULL; + xfer->len = 1; + + xfer++; + xfer->rx_buf = buff; + xfer->tx_buf = NULL; + xfer->len = len; + + ret = spi_sync(ks->spidev, msg); + if (ret < 0) + ks_err(ks, "%s: spi_sync() failed\n", __func__); +} + +/** + * ks8851_dbg_dumpkkt - dump initial packet contents to debug + * @ks: The device state + * @rxpkt: The data for the received packet + * + * Dump the initial data from the packet to dev_dbg(). +*/ +static void ks8851_dbg_dumpkkt(struct ks8851_net *ks, u8 *rxpkt) +{ + ks_dbg(ks, "pkt %02x%02x%02x%02x %02x%02x%02x%02x %02x%02x%02x%02x\n", + rxpkt[4], rxpkt[5], rxpkt[6], rxpkt[7], + rxpkt[8], rxpkt[9], rxpkt[10], rxpkt[11], + rxpkt[12], rxpkt[13], rxpkt[14], rxpkt[15]); +} + +/** + * ks8851_rx_pkts - receive packets from the host + * @ks: The device information. + * + * This is called from the IRQ work queue when the system detects that there + * are packets in the receive queue. Find out how many packets there are and + * read them from the FIFO. + */ +static void ks8851_rx_pkts(struct ks8851_net *ks) +{ + struct sk_buff *skb; + unsigned rxfc; + unsigned rxlen; + unsigned rxstat; + u32 rxh; + u8 *rxpkt; + + rxfc = ks8851_rdreg8(ks, KS_RXFC); + + if (netif_msg_rx_status(ks)) + ks_dbg(ks, "%s: %d packets\n", __func__, rxfc); + + /* Currently we're issuing a read per packet, but we could possibly + * improve the code by issuing a single read, getting the receive + * header, allocating the packet and then reading the packet data + * out in one go. + * + * This form of operation would require us to hold the SPI bus' + * chipselect low during the entie transaction to avoid any + * reset to the data stream comming from the chip. + */ + + for (; rxfc != 0; rxfc--) { + rxh = ks8851_rdreg32(ks, KS_RXFHSR); + rxstat = rxh & 0xffff; + rxlen = rxh >> 16; + + if (netif_msg_rx_status(ks)) + ks_dbg(ks, "rx: stat 0x%04x, len 0x%04x\n", + rxstat, rxlen); + + /* the length of the packet includes the 32bit CRC */ + + /* set dma read address */ + ks8851_wrreg16(ks, KS_RXFDPR, RXFDPR_RXFPAI | 0x00); + + /* start the packet dma process, and set auto-dequeue rx */ + ks8851_wrreg16(ks, KS_RXQCR, + ks->rc_rxqcr | RXQCR_SDA | RXQCR_ADRFE); + + if (rxlen > 0) { + skb = netdev_alloc_skb(ks->netdev, rxlen + 2 + 8); + if (!skb) { + /* todo - dump frame and move on */ + } + + /* two bytes to ensure ip is aligned, and four bytes + * for the status header and 4 bytes of garbage */ + skb_reserve(skb, 2 + 4 + 4); + + rxpkt = skb_put(skb, rxlen - 4) - 8; + + /* align the packet length to 4 bytes, and add 4 bytes + * as we're getting the rx status header as well */ + ks8851_rdfifo(ks, rxpkt, ALIGN(rxlen, 4) + 8); + + if (netif_msg_pktdata(ks)) + ks8851_dbg_dumpkkt(ks, rxpkt); + + skb->protocol = eth_type_trans(skb, ks->netdev); + netif_rx(skb); + + ks->netdev->stats.rx_packets++; + ks->netdev->stats.rx_bytes += rxlen - 4; + } + + ks8851_wrreg16(ks, KS_RXQCR, ks->rc_rxqcr); + } +} + +/** + * ks8851_irq_work - work queue handler for dealing with interrupt requests + * @work: The work structure that was scheduled by schedule_work() + * + * This is the handler invoked when the ks8851_irq() is called to find out + * what happened, as we cannot allow ourselves to sleep whilst waiting for + * anything other process has the chip's lock. + * + * Read the interrupt status, work out what needs to be done and then clear + * any of the interrupts that are not needed. + */ +static void ks8851_irq_work(struct work_struct *work) +{ + struct ks8851_net *ks = container_of(work, struct ks8851_net, irq_work); + unsigned status; + unsigned handled = 0; + + mutex_lock(&ks->lock); + + status = ks8851_rdreg16(ks, KS_ISR); + + if (netif_msg_intr(ks)) + dev_dbg(&ks->spidev->dev, "%s: status 0x%04x\n", + __func__, status); + + if (status & IRQ_LCI) { + /* should do something about checking link status */ + handled |= IRQ_LCI; + } + + if (status & IRQ_LDI) { + u16 pmecr = ks8851_rdreg16(ks, KS_PMECR); + pmecr &= ~PMECR_WKEVT_MASK; + ks8851_wrreg16(ks, KS_PMECR, pmecr | PMECR_WKEVT_LINK); + + handled |= IRQ_LDI; + } + + if (status & IRQ_RXPSI) + handled |= IRQ_RXPSI; + + if (status & IRQ_TXI) { + handled |= IRQ_TXI; + + /* no lock here, tx queue should have been stopped */ + + /* update our idea of how much tx space is available to the + * system */ + ks->tx_space = ks8851_rdreg16(ks, KS_TXMIR); + + if (netif_msg_intr(ks)) + ks_dbg(ks, "%s: txspace %d\n", __func__, ks->tx_space); + } + + if (status & IRQ_RXI) + handled |= IRQ_RXI; + + if (status & IRQ_SPIBEI) { + dev_err(&ks->spidev->dev, "%s: spi bus error\n", __func__); + handled |= IRQ_SPIBEI; + } + + ks8851_wrreg16(ks, KS_ISR, handled); + + if (status & IRQ_RXI) { + /* the datasheet says to disable the rx interrupt during + * packet read-out, however we're masking the interrupt + * from the device so do not bother masking just the RX + * from the device. */ + + ks8851_rx_pkts(ks); + } + + /* if something stopped the rx process, probably due to wanting + * to change the rx settings, then do something about restarting + * it. */ + if (status & IRQ_RXPSI) { + struct ks8851_rxctrl *rxc = &ks->rxctrl; + + /* update the multicast hash table */ + ks8851_wrreg16(ks, KS_MAHTR0, rxc->mchash[0]); + ks8851_wrreg16(ks, KS_MAHTR1, rxc->mchash[1]); + ks8851_wrreg16(ks, KS_MAHTR2, rxc->mchash[2]); + ks8851_wrreg16(ks, KS_MAHTR3, rxc->mchash[3]); + + ks8851_wrreg16(ks, KS_RXCR2, rxc->rxcr2); + ks8851_wrreg16(ks, KS_RXCR1, rxc->rxcr1); + } + + mutex_unlock(&ks->lock); + + if (status & IRQ_TXI) + netif_wake_queue(ks->netdev); + + enable_irq(ks->netdev->irq); +} + +/** + * calc_txlen - calculate size of message to send packet + * @len: Lenght of data + * + * Returns the size of the TXFIFO message needed to send + * this packet. + */ +static inline unsigned calc_txlen(unsigned len) +{ + return ALIGN(len + 4, 4); +} + +/** + * ks8851_wrpkt - write packet to TX FIFO + * @ks: The device state. + * @txp: The sk_buff to transmit. + * @irq: IRQ on completion of the packet. + * + * Send the @txp to the chip. This means creating the relevant packet header + * specifying the length of the packet and the other information the chip + * needs, such as IRQ on completion. Send the header and the packet data to + * the device. + */ +static void ks8851_wrpkt(struct ks8851_net *ks, struct sk_buff *txp, bool irq) +{ + struct spi_transfer *xfer = ks->spi_xfer2; + struct spi_message *msg = &ks->spi_msg2; + unsigned fid = 0; + int ret; + + if (netif_msg_tx_queued(ks)) + dev_dbg(&ks->spidev->dev, "%s: skb %p, %d@%p, irq %d\n", + __func__, txp, txp->len, txp->data, irq); + + fid = ks->fid++; + fid &= TXFR_TXFID_MASK; + + if (irq) + fid |= TXFR_TXIC; /* irq on completion */ + + /* start header at txb[1] to align txw entries */ + ks->txh.txb[1] = KS_SPIOP_TXFIFO; + ks->txh.txw[1] = cpu_to_le16(fid); + ks->txh.txw[2] = cpu_to_le16(txp->len); + + xfer->tx_buf = &ks->txh.txb[1]; + xfer->rx_buf = NULL; + xfer->len = 5; + + xfer++; + xfer->tx_buf = txp->data; + xfer->rx_buf = NULL; + xfer->len = ALIGN(txp->len, 4); + + ret = spi_sync(ks->spidev, msg); + if (ret < 0) + ks_err(ks, "%s: spi_sync() failed\n", __func__); +} + +/** + * ks8851_done_tx - update and then free skbuff after transmitting + * @ks: The device state + * @txb: The buffer transmitted + */ +static void ks8851_done_tx(struct ks8851_net *ks, struct sk_buff *txb) +{ + struct net_device *dev = ks->netdev; + + dev->stats.tx_bytes += txb->len; + dev->stats.tx_packets++; + + dev_kfree_skb(txb); +} + +/** + * ks8851_tx_work - process tx packet(s) + * @work: The work strucutre what was scheduled. + * + * This is called when a number of packets have been scheduled for + * transmission and need to be sent to the device. + */ +static void ks8851_tx_work(struct work_struct *work) +{ + struct ks8851_net *ks = container_of(work, struct ks8851_net, tx_work); + struct sk_buff *txb; + bool last = false; + + mutex_lock(&ks->lock); + + while (!last) { + txb = skb_dequeue(&ks->txq); + last = skb_queue_empty(&ks->txq); + + ks8851_wrreg16(ks, KS_RXQCR, ks->rc_rxqcr | RXQCR_SDA); + ks8851_wrpkt(ks, txb, last); + ks8851_wrreg16(ks, KS_RXQCR, ks->rc_rxqcr); + ks8851_wrreg16(ks, KS_TXQCR, TXQCR_METFE); + + ks8851_done_tx(ks, txb); + } + + mutex_unlock(&ks->lock); +} + +/** + * ks8851_set_powermode - set power mode of the device + * @ks: The device state + * @pwrmode: The power mode value to write to KS_PMECR. + * + * Change the power mode of the chip. + */ +static void ks8851_set_powermode(struct ks8851_net *ks, unsigned pwrmode) +{ + unsigned pmecr; + + if (netif_msg_hw(ks)) + ks_dbg(ks, "setting power mode %d\n", pwrmode); + + pmecr = ks8851_rdreg16(ks, KS_PMECR); + pmecr &= ~PMECR_PM_MASK; + pmecr |= pwrmode; + + ks8851_wrreg16(ks, KS_PMECR, pmecr); +} + +/** + * ks8851_net_open - open network device + * @dev: The network device being opened. + * + * Called when the network device is marked active, such as a user executing + * 'ifconfig up' on the device. + */ +static int ks8851_net_open(struct net_device *dev) +{ + struct ks8851_net *ks = netdev_priv(dev); + + /* lock the card, even if we may not actually be doing anything + * else at the moment */ + mutex_lock(&ks->lock); + + if (netif_msg_ifup(ks)) + ks_dbg(ks, "opening %s\n", dev->name); + + /* bring chip out of any power saving mode it was in */ + ks8851_set_powermode(ks, PMECR_PM_NORMAL); + + /* issue a soft reset to the RX/TX QMU to put it into a known + * state. */ + ks8851_soft_reset(ks, GRR_QMU); + + /* setup transmission parameters */ + + ks8851_wrreg16(ks, KS_TXCR, (TXCR_TXE | /* enable transmit process */ + TXCR_TXPE | /* pad to min length */ + TXCR_TXCRC | /* add CRC */ + TXCR_TXFCE)); /* enable flow control */ + + /* auto-increment tx data, reset tx pointer */ + ks8851_wrreg16(ks, KS_TXFDPR, TXFDPR_TXFPAI); + + /* setup receiver control */ + + ks8851_wrreg16(ks, KS_RXCR1, (RXCR1_RXPAFMA | /* from mac filter */ + RXCR1_RXFCE | /* enable flow control */ + RXCR1_RXBE | /* broadcast enable */ + RXCR1_RXUE | /* unicast enable */ + RXCR1_RXE)); /* enable rx block */ + + /* transfer entire frames out in one go */ + ks8851_wrreg16(ks, KS_RXCR2, RXCR2_SRDBL_FRAME); + + /* set receive counter timeouts */ + ks8851_wrreg16(ks, KS_RXDTTR, 1000); /* 1ms after first frame to IRQ */ + ks8851_wrreg16(ks, KS_RXDBCTR, 4096); /* >4Kbytes in buffer to IRQ */ + ks8851_wrreg16(ks, KS_RXFCTR, 10); /* 10 frames to IRQ */ + + ks->rc_rxqcr = (RXQCR_RXFCTE | /* IRQ on frame count exceeded */ + RXQCR_RXDBCTE | /* IRQ on byte count exceeded */ + RXQCR_RXDTTE); /* IRQ on time exceeded */ + + ks8851_wrreg16(ks, KS_RXQCR, ks->rc_rxqcr); + + /* clear then enable interrupts */ + +#define STD_IRQ (IRQ_LCI | /* Link Change */ \ + IRQ_TXI | /* TX done */ \ + IRQ_RXI | /* RX done */ \ + IRQ_SPIBEI | /* SPI bus error */ \ + IRQ_TXPSI | /* TX process stop */ \ + IRQ_RXPSI) /* RX process stop */ + + ks->rc_ier = STD_IRQ; + ks8851_wrreg16(ks, KS_ISR, STD_IRQ); + ks8851_wrreg16(ks, KS_IER, STD_IRQ); + + netif_start_queue(ks->netdev); + + if (netif_msg_ifup(ks)) + ks_dbg(ks, "network device %s up\n", dev->name); + + mutex_unlock(&ks->lock); + return 0; +} + +/** + * ks8851_net_stop - close network device + * @dev: The device being closed. + * + * Called to close down a network device which has been active. Cancell any + * work, shutdown the RX and TX process and then place the chip into a low + * power state whilst it is not being used. + */ +static int ks8851_net_stop(struct net_device *dev) +{ + struct ks8851_net *ks = netdev_priv(dev); + + if (netif_msg_ifdown(ks)) + ks_info(ks, "%s: shutting down\n", dev->name); + + netif_stop_queue(dev); + + mutex_lock(&ks->lock); + + /* stop any outstanding work */ + flush_work(&ks->irq_work); + flush_work(&ks->tx_work); + flush_work(&ks->rxctrl_work); + + /* turn off the IRQs and ack any outstanding */ + ks8851_wrreg16(ks, KS_IER, 0x0000); + ks8851_wrreg16(ks, KS_ISR, 0xffff); + + /* shutdown RX process */ + ks8851_wrreg16(ks, KS_RXCR1, 0x0000); + + /* shutdown TX process */ + ks8851_wrreg16(ks, KS_TXCR, 0x0000); + + /* set powermode to soft power down to save power */ + ks8851_set_powermode(ks, PMECR_PM_SOFTDOWN); + + /* ensure any queued tx buffers are dumped */ + while (!skb_queue_empty(&ks->txq)) { + struct sk_buff *txb = skb_dequeue(&ks->txq); + + if (netif_msg_ifdown(ks)) + ks_dbg(ks, "%s: freeing txb %p\n", __func__, txb); + + dev_kfree_skb(txb); + } + + mutex_unlock(&ks->lock); + return 0; +} + +/** + * ks8851_start_xmit - transmit packet + * @skb: The buffer to transmit + * @dev: The device used to transmit the packet. + * + * Called by the network layer to transmit the @skb. Queue the packet for + * the device and schedule the necessary work to transmit the packet when + * it is free. + * + * We do this to firstly avoid sleeping with the network device locked, + * and secondly so we can round up more than one packet to transmit which + * means we can try and avoid generating too many transmit done interrupts. + */ +static int ks8851_start_xmit(struct sk_buff *skb, struct net_device *dev) +{ + struct ks8851_net *ks = netdev_priv(dev); + unsigned needed = calc_txlen(skb->len); + int ret = NETDEV_TX_OK; + + if (netif_msg_tx_queued(ks)) + ks_dbg(ks, "%s: skb %p, %d@%p\n", __func__, + skb, skb->len, skb->data); + + spin_lock(&ks->statelock); + + if (needed > ks->tx_space) { + netif_stop_queue(dev); + ret = NETDEV_TX_BUSY; + } else { + ks->tx_space -= needed; + skb_queue_tail(&ks->txq, skb); + } + + spin_unlock(&ks->statelock); + schedule_work(&ks->tx_work); + + return ret; +} + +/** + * ks8851_rxctrl_work - work handler to change rx mode + * @work: The work structure this belongs to. + * + * Lock the device and issue the necessary changes to the receive mode from + * the network device layer. This is done so that we can do this without + * having to sleep whilst holding the network device lock. + * + * Since the recommendation from Micrel is that the RXQ is shutdown whilst the + * receive parameters are programmed, we issue a write to disable the RXQ and + * then wait for the interrupt handler to be triggered once the RXQ shutdown is + * complete. The interrupt handler then writes the new values into the chip. + */ +static void ks8851_rxctrl_work(struct work_struct *work) +{ + struct ks8851_net *ks = container_of(work, struct ks8851_net, rxctrl_work); + + mutex_lock(&ks->lock); + + /* need to shutdown RXQ before modifying filter parameters */ + ks8851_wrreg16(ks, KS_RXCR1, 0x00); + + mutex_unlock(&ks->lock); +} + +static void ks8851_set_rx_mode(struct net_device *dev) +{ + struct ks8851_net *ks = netdev_priv(dev); + struct ks8851_rxctrl rxctrl; + + memset(&rxctrl, 0, sizeof(rxctrl)); + + if (dev->flags & IFF_PROMISC) { + /* interface to receive everything */ + + rxctrl.rxcr1 = RXCR1_RXAE | RXCR1_RXINVF; + } else if (dev->flags & IFF_ALLMULTI) { + /* accept all multicast packets */ + + rxctrl.rxcr1 = (RXCR1_RXME | RXCR1_RXAE | + RXCR1_RXPAFMA | RXCR1_RXMAFMA); + } else if (dev->flags & IFF_MULTICAST && dev->mc_count > 0) { + struct dev_mc_list *mcptr = dev->mc_list; + u32 crc; + int i; + + /* accept some multicast */ + + for (i = dev->mc_count; i > 0; i--) { + crc = ether_crc(ETH_ALEN, mcptr->dmi_addr); + crc >>= (32 - 6); /* get top six bits */ + + rxctrl.mchash[crc >> 4] |= (1 << (crc & 0xf)); + mcptr = mcptr->next; + } + + rxctrl.rxcr1 = RXCR1_RXME | RXCR1_RXAE | RXCR1_RXPAFMA; + } else { + /* just accept broadcast / unicast */ + rxctrl.rxcr1 = RXCR1_RXPAFMA; + } + + rxctrl.rxcr1 |= (RXCR1_RXUE | /* unicast enable */ + RXCR1_RXBE | /* broadcast enable */ + RXCR1_RXE | /* RX process enable */ + RXCR1_RXFCE); /* enable flow control */ + + rxctrl.rxcr2 |= RXCR2_SRDBL_FRAME; + + /* schedule work to do the actual set of the data if needed */ + + spin_lock(&ks->statelock); + + if (memcmp(&rxctrl, &ks->rxctrl, sizeof(rxctrl)) != 0) { + memcpy(&ks->rxctrl, &rxctrl, sizeof(ks->rxctrl)); + schedule_work(&ks->rxctrl_work); + } + + spin_unlock(&ks->statelock); +} + +static int ks8851_set_mac_address(struct net_device *dev, void *addr) +{ + struct sockaddr *sa = addr; + + if (netif_running(dev)) + return -EBUSY; + + if (!is_valid_ether_addr(sa->sa_data)) + return -EADDRNOTAVAIL; + + memcpy(dev->dev_addr, sa->sa_data, ETH_ALEN); + return ks8851_write_mac_addr(dev); +} + +static int ks8851_net_ioctl(struct net_device *dev, struct ifreq *req, int cmd) +{ + struct ks8851_net *ks = netdev_priv(dev); + + if (!netif_running(dev)) + return -EINVAL; + + return generic_mii_ioctl(&ks->mii, if_mii(req), cmd, NULL); +} + +static const struct net_device_ops ks8851_netdev_ops = { + .ndo_open = ks8851_net_open, + .ndo_stop = ks8851_net_stop, + .ndo_do_ioctl = ks8851_net_ioctl, + .ndo_start_xmit = ks8851_start_xmit, + .ndo_set_mac_address = ks8851_set_mac_address, + .ndo_set_rx_mode = ks8851_set_rx_mode, + .ndo_change_mtu = eth_change_mtu, + .ndo_validate_addr = eth_validate_addr, +}; + +/* ethtool support */ + +static void ks8851_get_drvinfo(struct net_device *dev, + struct ethtool_drvinfo *di) +{ + strlcpy(di->driver, "KS8851", sizeof(di->driver)); + strlcpy(di->version, "1.00", sizeof(di->version)); + strlcpy(di->bus_info, dev_name(dev->dev.parent), sizeof(di->bus_info)); +} + +static u32 ks8851_get_msglevel(struct net_device *dev) +{ + struct ks8851_net *ks = netdev_priv(dev); + return ks->msg_enable; +} + +static void ks8851_set_msglevel(struct net_device *dev, u32 to) +{ + struct ks8851_net *ks = netdev_priv(dev); + ks->msg_enable = to; +} + +static int ks8851_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) +{ + struct ks8851_net *ks = netdev_priv(dev); + return mii_ethtool_gset(&ks->mii, cmd); +} + +static int ks8851_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) +{ + struct ks8851_net *ks = netdev_priv(dev); + return mii_ethtool_sset(&ks->mii, cmd); +} + +static u32 ks8851_get_link(struct net_device *dev) +{ + struct ks8851_net *ks = netdev_priv(dev); + return mii_link_ok(&ks->mii); +} + +static int ks8851_nway_reset(struct net_device *dev) +{ + struct ks8851_net *ks = netdev_priv(dev); + return mii_nway_restart(&ks->mii); +} + +static const struct ethtool_ops ks8851_ethtool_ops = { + .get_drvinfo = ks8851_get_drvinfo, + .get_msglevel = ks8851_get_msglevel, + .set_msglevel = ks8851_set_msglevel, + .get_settings = ks8851_get_settings, + .set_settings = ks8851_set_settings, + .get_link = ks8851_get_link, + .nway_reset = ks8851_nway_reset, +}; + +/* MII interface controls */ + +/** + * ks8851_phy_reg - convert MII register into a KS8851 register + * @reg: MII register number. + * + * Return the KS8851 register number for the corresponding MII PHY register + * if possible. Return zero if the MII register has no direct mapping to the + * KS8851 register set. + */ +static int ks8851_phy_reg(int reg) +{ + switch (reg) { + case MII_BMCR: + return KS_P1MBCR; + case MII_BMSR: + return KS_P1MBSR; + case MII_PHYSID1: + return KS_PHY1ILR; + case MII_PHYSID2: + return KS_PHY1IHR; + case MII_ADVERTISE: + return KS_P1ANAR; + case MII_LPA: + return KS_P1ANLPR; + } + + return 0x0; +} + +/** + * ks8851_phy_read - MII interface PHY register read. + * @dev: The network device the PHY is on. + * @phy_addr: Address of PHY (ignored as we only have one) + * @reg: The register to read. + * + * This call reads data from the PHY register specified in @reg. Since the + * device does not support all the MII registers, the non-existant values + * are always returned as zero. + * + * We return zero for unsupported registers as the MII code does not check + * the value returned for any error status, and simply returns it to the + * caller. The mii-tool that the driver was tested with takes any -ve error + * as real PHY capabilities, thus displaying incorrect data to the user. + */ +static int ks8851_phy_read(struct net_device *dev, int phy_addr, int reg) +{ + struct ks8851_net *ks = netdev_priv(dev); + int ksreg; + int result; + + ksreg = ks8851_phy_reg(reg); + if (!ksreg) + return 0x0; /* no error return allowed, so use zero */ + + mutex_lock(&ks->lock); + result = ks8851_rdreg16(ks, ksreg); + mutex_unlock(&ks->lock); + + return result; +} + +static void ks8851_phy_write(struct net_device *dev, + int phy, int reg, int value) +{ + struct ks8851_net *ks = netdev_priv(dev); + int ksreg; + + ksreg = ks8851_phy_reg(reg); + if (ksreg) { + mutex_lock(&ks->lock); + ks8851_wrreg16(ks, ksreg, value); + mutex_unlock(&ks->lock); + } +} + +/** + * ks8851_read_selftest - read the selftest memory info. + * @ks: The device state + * + * Read and check the TX/RX memory selftest information. + */ +static int ks8851_read_selftest(struct ks8851_net *ks) +{ + unsigned both_done = MBIR_TXMBF | MBIR_RXMBF; + int ret = 0; + unsigned rd; + + rd = ks8851_rdreg16(ks, KS_MBIR); + + if ((rd & both_done) != both_done) { + ks_warn(ks, "Memory selftest not finished\n"); + return 0; + } + + if (rd & MBIR_TXMBFA) { + ks_err(ks, "TX memory selftest fail\n"); + ret |= 1; + } + + if (rd & MBIR_RXMBFA) { + ks_err(ks, "RX memory selftest fail\n"); + ret |= 2; + } + + return 0; +} + +/* driver bus management functions */ + +static int __devinit ks8851_probe(struct spi_device *spi) +{ + struct net_device *ndev; + struct ks8851_net *ks; + int ret; + + ndev = alloc_etherdev(sizeof(struct ks8851_net)); + if (!ndev) { + dev_err(&spi->dev, "failed to alloc ethernet device\n"); + return -ENOMEM; + } + + spi->bits_per_word = 8; + + ks = netdev_priv(ndev); + + ks->netdev = ndev; + ks->spidev = spi; + ks->tx_space = 6144; + + mutex_init(&ks->lock); + spin_lock_init(&ks->statelock); + + INIT_WORK(&ks->tx_work, ks8851_tx_work); + INIT_WORK(&ks->irq_work, ks8851_irq_work); + INIT_WORK(&ks->rxctrl_work, ks8851_rxctrl_work); + + /* initialise pre-made spi transfer messages */ + + spi_message_init(&ks->spi_msg1); + spi_message_add_tail(&ks->spi_xfer1, &ks->spi_msg1); + + spi_message_init(&ks->spi_msg2); + spi_message_add_tail(&ks->spi_xfer2[0], &ks->spi_msg2); + spi_message_add_tail(&ks->spi_xfer2[1], &ks->spi_msg2); + + /* setup mii state */ + ks->mii.dev = ndev; + ks->mii.phy_id = 1, + ks->mii.phy_id_mask = 1; + ks->mii.reg_num_mask = 0xf; + ks->mii.mdio_read = ks8851_phy_read; + ks->mii.mdio_write = ks8851_phy_write; + + dev_info(&spi->dev, "message enable is %d\n", msg_enable); + + /* set the default message enable */ + ks->msg_enable = netif_msg_init(msg_enable, (NETIF_MSG_DRV | + NETIF_MSG_PROBE | + NETIF_MSG_LINK)); + + skb_queue_head_init(&ks->txq); + + SET_ETHTOOL_OPS(ndev, &ks8851_ethtool_ops); + SET_NETDEV_DEV(ndev, &spi->dev); + + dev_set_drvdata(&spi->dev, ks); + + ndev->if_port = IF_PORT_100BASET; + ndev->netdev_ops = &ks8851_netdev_ops; + ndev->irq = spi->irq; + + /* simple check for a valid chip being connected to the bus */ + + if ((ks8851_rdreg16(ks, KS_CIDER) & ~CIDER_REV_MASK) != CIDER_ID) { + dev_err(&spi->dev, "failed to read device ID\n"); + ret = -ENODEV; + goto err_id; + } + + ks8851_read_selftest(ks); + ks8851_init_mac(ks); + + ret = request_irq(spi->irq, ks8851_irq, IRQF_TRIGGER_LOW, + ndev->name, ks); + if (ret < 0) { + dev_err(&spi->dev, "failed to get irq\n"); + goto err_irq; + } + + ret = register_netdev(ndev); + if (ret) { + dev_err(&spi->dev, "failed to register network device\n"); + goto err_netdev; + } + + dev_info(&spi->dev, "revision %d, MAC %pM, IRQ %d\n", + CIDER_REV_GET(ks8851_rdreg16(ks, KS_CIDER)), + ndev->dev_addr, ndev->irq); + + return 0; + + +err_netdev: + free_irq(ndev->irq, ndev); + +err_id: +err_irq: + free_netdev(ndev); + return ret; +} + +static int __devexit ks8851_remove(struct spi_device *spi) +{ + struct ks8851_net *priv = dev_get_drvdata(&spi->dev); + + if (netif_msg_drv(priv)) + dev_info(&spi->dev, "remove"); + + unregister_netdev(priv->netdev); + free_irq(spi->irq, priv); + free_netdev(priv->netdev); + + return 0; +} + +static struct spi_driver ks8851_driver = { + .driver = { + .name = "ks8851", + .owner = THIS_MODULE, + }, + .probe = ks8851_probe, + .remove = __devexit_p(ks8851_remove), +}; + +static int __init ks8851_init(void) +{ + return spi_register_driver(&ks8851_driver); +} + +static void __exit ks8851_exit(void) +{ + spi_unregister_driver(&ks8851_driver); +} + +module_init(ks8851_init); +module_exit(ks8851_exit); + +MODULE_DESCRIPTION("KS8851 Network driver"); +MODULE_AUTHOR("Ben Dooks <ben@simtec.co.uk>"); +MODULE_LICENSE("GPL"); + +module_param_named(message, msg_enable, int, 0); +MODULE_PARM_DESC(message, "Message verbosity level (0=none, 31=all)"); diff --git a/drivers/net/ks8851.h b/drivers/net/ks8851.h new file mode 100644 index 0000000..85abe14 --- /dev/null +++ b/drivers/net/ks8851.h @@ -0,0 +1,296 @@ +/* drivers/net/ks8851.h + * + * Copyright 2009 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * + * KS8851 register definitions + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#define KS_CCR 0x08 +#define CCR_EEPROM (1 << 9) +#define CCR_SPI (1 << 8) +#define CCR_32PIN (1 << 0) + +/* MAC address registers */ +#define KS_MARL 0x10 +#define KS_MARM 0x12 +#define KS_MARH 0x14 + +#define KS_OBCR 0x20 +#define OBCR_ODS_16mA (1 << 6) + +#define KS_EEPCR 0x22 +#define EEPCR_EESA (1 << 4) +#define EEPCR_EESB (1 << 3) +#define EEPCR_EEDO (1 << 2) +#define EEPCR_EESCK (1 << 1) +#define EEPCR_EECS (1 << 0) + +#define KS_MBIR 0x24 +#define MBIR_TXMBF (1 << 12) +#define MBIR_TXMBFA (1 << 11) +#define MBIR_RXMBF (1 << 4) +#define MBIR_RXMBFA (1 << 3) + +#define KS_GRR 0x26 +#define GRR_QMU (1 << 1) +#define GRR_GSR (1 << 0) + +#define KS_WFCR 0x2A +#define WFCR_MPRXE (1 << 7) +#define WFCR_WF3E (1 << 3) +#define WFCR_WF2E (1 << 2) +#define WFCR_WF1E (1 << 1) +#define WFCR_WF0E (1 << 0) + +#define KS_WF0CRC0 0x30 +#define KS_WF0CRC1 0x32 +#define KS_WF0BM0 0x34 +#define KS_WF0BM1 0x36 +#define KS_WF0BM2 0x38 +#define KS_WF0BM3 0x3A + +#define KS_WF1CRC0 0x40 +#define KS_WF1CRC1 0x42 +#define KS_WF1BM0 0x44 +#define KS_WF1BM1 0x46 +#define KS_WF1BM2 0x48 +#define KS_WF1BM3 0x4A + +#define KS_WF2CRC0 0x50 +#define KS_WF2CRC1 0x52 +#define KS_WF2BM0 0x54 +#define KS_WF2BM1 0x56 +#define KS_WF2BM2 0x58 +#define KS_WF2BM3 0x5A + +#define KS_WF3CRC0 0x60 +#define KS_WF3CRC1 0x62 +#define KS_WF3BM0 0x64 +#define KS_WF3BM1 0x66 +#define KS_WF3BM2 0x68 +#define KS_WF3BM3 0x6A + +#define KS_TXCR 0x70 +#define TXCR_TCGICMP (1 << 8) +#define TXCR_TCGUDP (1 << 7) +#define TXCR_TCGTCP (1 << 6) +#define TXCR_TCGIP (1 << 5) +#define TXCR_FTXQ (1 << 4) +#define TXCR_TXFCE (1 << 3) +#define TXCR_TXPE (1 << 2) +#define TXCR_TXCRC (1 << 1) +#define TXCR_TXE (1 << 0) + +#define KS_TXSR 0x72 +#define TXSR_TXLC (1 << 13) +#define TXSR_TXMC (1 << 12) +#define TXSR_TXFID_MASK (0x3f << 0) +#define TXSR_TXFID_SHIFT (0) +#define TXSR_TXFID_GET(_v) (((_v) >> 0) & 0x3f) + +#define KS_RXCR1 0x74 +#define RXCR1_FRXQ (1 << 15) +#define RXCR1_RXUDPFCC (1 << 14) +#define RXCR1_RXTCPFCC (1 << 13) +#define RXCR1_RXIPFCC (1 << 12) +#define RXCR1_RXPAFMA (1 << 11) +#define RXCR1_RXFCE (1 << 10) +#define RXCR1_RXEFE (1 << 9) +#define RXCR1_RXMAFMA (1 << 8) +#define RXCR1_RXBE (1 << 7) +#define RXCR1_RXME (1 << 6) +#define RXCR1_RXUE (1 << 5) +#define RXCR1_RXAE (1 << 4) +#define RXCR1_RXINVF (1 << 1) +#define RXCR1_RXE (1 << 0) + +#define KS_RXCR2 0x76 +#define RXCR2_SRDBL_MASK (0x7 << 5) +#define RXCR2_SRDBL_SHIFT (5) +#define RXCR2_SRDBL_4B (0x0 << 5) +#define RXCR2_SRDBL_8B (0x1 << 5) +#define RXCR2_SRDBL_16B (0x2 << 5) +#define RXCR2_SRDBL_32B (0x3 << 5) +#define RXCR2_SRDBL_FRAME (0x4 << 5) +#define RXCR2_IUFFP (1 << 4) +#define RXCR2_RXIUFCEZ (1 << 3) +#define RXCR2_UDPLFE (1 << 2) +#define RXCR2_RXICMPFCC (1 << 1) +#define RXCR2_RXSAF (1 << 0) + +#define KS_TXMIR 0x78 + +#define KS_RXFHSR 0x7C +#define RXFSHR_RXFV (1 << 15) +#define RXFSHR_RXICMPFCS (1 << 13) +#define RXFSHR_RXIPFCS (1 << 12) +#define RXFSHR_RXTCPFCS (1 << 11) +#define RXFSHR_RXUDPFCS (1 << 10) +#define RXFSHR_RXBF (1 << 7) +#define RXFSHR_RXMF (1 << 6) +#define RXFSHR_RXUF (1 << 5) +#define RXFSHR_RXMR (1 << 4) +#define RXFSHR_RXFT (1 << 3) +#define RXFSHR_RXFTL (1 << 2) +#define RXFSHR_RXRF (1 << 1) +#define RXFSHR_RXCE (1 << 0) + +#define KS_RXFHBCR 0x7E +#define KS_TXQCR 0x80 +#define TXQCR_AETFE (1 << 2) +#define TXQCR_TXQMAM (1 << 1) +#define TXQCR_METFE (1 << 0) + +#define KS_RXQCR 0x82 +#define RXQCR_RXDTTS (1 << 12) +#define RXQCR_RXDBCTS (1 << 11) +#define RXQCR_RXFCTS (1 << 10) +#define RXQCR_RXIPHTOE (1 << 9) +#define RXQCR_RXDTTE (1 << 7) +#define RXQCR_RXDBCTE (1 << 6) +#define RXQCR_RXFCTE (1 << 5) +#define RXQCR_ADRFE (1 << 4) +#define RXQCR_SDA (1 << 3) +#define RXQCR_RRXEF (1 << 0) + +#define KS_TXFDPR 0x84 +#define TXFDPR_TXFPAI (1 << 14) +#define TXFDPR_TXFP_MASK (0x7ff << 0) +#define TXFDPR_TXFP_SHIFT (0) + +#define KS_RXFDPR 0x86 +#define RXFDPR_RXFPAI (1 << 14) + +#define KS_RXDTTR 0x8C +#define KS_RXDBCTR 0x8E + +#define KS_IER 0x90 +#define KS_ISR 0x92 +#define IRQ_LCI (1 << 15) +#define IRQ_TXI (1 << 14) +#define IRQ_RXI (1 << 13) +#define IRQ_RXOI (1 << 11) +#define IRQ_TXPSI (1 << 9) +#define IRQ_RXPSI (1 << 8) +#define IRQ_TXSAI (1 << 6) +#define IRQ_RXWFDI (1 << 5) +#define IRQ_RXMPDI (1 << 4) +#define IRQ_LDI (1 << 3) +#define IRQ_EDI (1 << 2) +#define IRQ_SPIBEI (1 << 1) +#define IRQ_DEDI (1 << 0) + +#define KS_RXFCTR 0x9C +#define KS_RXFC 0x9D +#define RXFCTR_RXFC_MASK (0xff << 8) +#define RXFCTR_RXFC_SHIFT (8) +#define RXFCTR_RXFC_GET(_v) (((_v) >> 8) & 0xff) +#define RXFCTR_RXFCT_MASK (0xff << 0) +#define RXFCTR_RXFCT_SHIFT (0) + +#define KS_TXNTFSR 0x9E + +#define KS_MAHTR0 0xA0 +#define KS_MAHTR1 0xA2 +#define KS_MAHTR2 0xA4 +#define KS_MAHTR3 0xA6 + +#define KS_FCLWR 0xB0 +#define KS_FCHWR 0xB2 +#define KS_FCOWR 0xB4 + +#define KS_CIDER 0xC0 +#define CIDER_ID 0x8870 +#define CIDER_REV_MASK (0x7 << 1) +#define CIDER_REV_SHIFT (1) +#define CIDER_REV_GET(_v) (((_v) >> 1) & 0x7) + +#define KS_CGCR 0xC6 + +#define KS_IACR 0xC8 +#define IACR_RDEN (1 << 12) +#define IACR_TSEL_MASK (0x3 << 10) +#define IACR_TSEL_SHIFT (10) +#define IACR_TSEL_MIB (0x3 << 10) +#define IACR_ADDR_MASK (0x1f << 0) +#define IACR_ADDR_SHIFT (0) + +#define KS_IADLR 0xD0 +#define KS_IAHDR 0xD2 + +#define KS_PMECR 0xD4 +#define PMECR_PME_DELAY (1 << 14) +#define PMECR_PME_POL (1 << 12) +#define PMECR_WOL_WAKEUP (1 << 11) +#define PMECR_WOL_MAGICPKT (1 << 10) +#define PMECR_WOL_LINKUP (1 << 9) +#define PMECR_WOL_ENERGY (1 << 8) +#define PMECR_AUTO_WAKE_EN (1 << 7) +#define PMECR_WAKEUP_NORMAL (1 << 6) +#define PMECR_WKEVT_MASK (0xf << 2) +#define PMECR_WKEVT_SHIFT (2) +#define PMECR_WKEVT_GET(_v) (((_v) >> 2) & 0xf) +#define PMECR_WKEVT_ENERGY (0x1 << 2) +#define PMECR_WKEVT_LINK (0x2 << 2) +#define PMECR_WKEVT_MAGICPKT (0x4 << 2) +#define PMECR_WKEVT_FRAME (0x8 << 2) +#define PMECR_PM_MASK (0x3 << 0) +#define PMECR_PM_SHIFT (0) +#define PMECR_PM_NORMAL (0x0 << 0) +#define PMECR_PM_ENERGY (0x1 << 0) +#define PMECR_PM_SOFTDOWN (0x2 << 0) +#define PMECR_PM_POWERSAVE (0x3 << 0) + +/* Standard MII PHY data */ +#define KS_P1MBCR 0xE4 +#define KS_P1MBSR 0xE6 +#define KS_PHY1ILR 0xE8 +#define KS_PHY1IHR 0xEA +#define KS_P1ANAR 0xEC +#define KS_P1ANLPR 0xEE + +#define KS_P1SCLMD 0xF4 +#define P1SCLMD_LEDOFF (1 << 15) +#define P1SCLMD_TXIDS (1 << 14) +#define P1SCLMD_RESTARTAN (1 << 13) +#define P1SCLMD_DISAUTOMDIX (1 << 10) +#define P1SCLMD_FORCEMDIX (1 << 9) +#define P1SCLMD_AUTONEGEN (1 << 7) +#define P1SCLMD_FORCE100 (1 << 6) +#define P1SCLMD_FORCEFDX (1 << 5) +#define P1SCLMD_ADV_FLOW (1 << 4) +#define P1SCLMD_ADV_100BT_FDX (1 << 3) +#define P1SCLMD_ADV_100BT_HDX (1 << 2) +#define P1SCLMD_ADV_10BT_FDX (1 << 1) +#define P1SCLMD_ADV_10BT_HDX (1 << 0) + +#define KS_P1CR 0xF6 +#define P1CR_HP_MDIX (1 << 15) +#define P1CR_REV_POL (1 << 13) +#define P1CR_OP_100M (1 << 10) +#define P1CR_OP_FDX (1 << 9) +#define P1CR_OP_MDI (1 << 7) +#define P1CR_AN_DONE (1 << 6) +#define P1CR_LINK_GOOD (1 << 5) +#define P1CR_PNTR_FLOW (1 << 4) +#define P1CR_PNTR_100BT_FDX (1 << 3) +#define P1CR_PNTR_100BT_HDX (1 << 2) +#define P1CR_PNTR_10BT_FDX (1 << 1) +#define P1CR_PNTR_10BT_HDX (1 << 0) + +/* TX Frame control */ + +#define TXFR_TXIC (1 << 15) +#define TXFR_TXFID_MASK (0x3f << 0) +#define TXFR_TXFID_SHIFT (0) + +/* SPI frame opcodes */ +#define KS_SPIOP_RD (0x00) +#define KS_SPIOP_WR (0x40) +#define KS_SPIOP_RXFIFO (0x80) +#define KS_SPIOP_TXFIFO (0xC0) diff --git a/drivers/net/macsonic.c b/drivers/net/macsonic.c index acd143d..61eabca 100644 --- a/drivers/net/macsonic.c +++ b/drivers/net/macsonic.c @@ -179,7 +179,7 @@ static const struct net_device_ops macsonic_netdev_ops = { .ndo_set_mac_address = eth_mac_addr, }; -static int __init macsonic_init(struct net_device *dev) +static int __devinit macsonic_init(struct net_device *dev) { struct sonic_local* lp = netdev_priv(dev); @@ -223,7 +223,7 @@ static int __init macsonic_init(struct net_device *dev) return 0; } -static int __init mac_onboard_sonic_ethernet_addr(struct net_device *dev) +static int __devinit mac_onboard_sonic_ethernet_addr(struct net_device *dev) { struct sonic_local *lp = netdev_priv(dev); const int prom_addr = ONBOARD_SONIC_PROM_BASE; @@ -288,7 +288,7 @@ static int __init mac_onboard_sonic_ethernet_addr(struct net_device *dev) } else return 0; } -static int __init mac_onboard_sonic_probe(struct net_device *dev) +static int __devinit mac_onboard_sonic_probe(struct net_device *dev) { /* Bwahahaha */ static int once_is_more_than_enough; @@ -409,7 +409,7 @@ static int __init mac_onboard_sonic_probe(struct net_device *dev) return macsonic_init(dev); } -static int __init mac_nubus_sonic_ethernet_addr(struct net_device *dev, +static int __devinit mac_nubus_sonic_ethernet_addr(struct net_device *dev, unsigned long prom_addr, int id) { @@ -424,7 +424,7 @@ static int __init mac_nubus_sonic_ethernet_addr(struct net_device *dev, return 0; } -static int __init macsonic_ident(struct nubus_dev *ndev) +static int __devinit macsonic_ident(struct nubus_dev *ndev) { if (ndev->dr_hw == NUBUS_DRHW_ASANTE_LC && ndev->dr_sw == NUBUS_DRSW_SONIC_LC) @@ -449,7 +449,7 @@ static int __init macsonic_ident(struct nubus_dev *ndev) return -1; } -static int __init mac_nubus_sonic_probe(struct net_device *dev) +static int __devinit mac_nubus_sonic_probe(struct net_device *dev) { static int slots; struct nubus_dev* ndev = NULL; @@ -562,7 +562,7 @@ static int __init mac_nubus_sonic_probe(struct net_device *dev) return macsonic_init(dev); } -static int __init mac_sonic_probe(struct platform_device *pdev) +static int __devinit mac_sonic_probe(struct platform_device *pdev) { struct net_device *dev; struct sonic_local *lp; @@ -575,6 +575,7 @@ static int __init mac_sonic_probe(struct platform_device *pdev) lp = netdev_priv(dev); lp->device = &pdev->dev; SET_NETDEV_DEV(dev, &pdev->dev); + platform_set_drvdata(pdev, dev); /* This will catch fatal stuff like -ENOMEM as well as success */ err = mac_onboard_sonic_probe(dev); diff --git a/drivers/net/mlx4/en_ethtool.c b/drivers/net/mlx4/en_ethtool.c index 091f990..86467b4 100644 --- a/drivers/net/mlx4/en_ethtool.c +++ b/drivers/net/mlx4/en_ethtool.c @@ -220,7 +220,7 @@ static int mlx4_en_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) { cmd->autoneg = AUTONEG_DISABLE; cmd->supported = SUPPORTED_10000baseT_Full; - cmd->advertising = SUPPORTED_10000baseT_Full; + cmd->advertising = ADVERTISED_1000baseT_Full; if (netif_carrier_ok(dev)) { cmd->speed = SPEED_10000; cmd->duplex = DUPLEX_FULL; diff --git a/drivers/net/mlx4/en_tx.c b/drivers/net/mlx4/en_tx.c index 08c43f2..5a88b3f5 100644 --- a/drivers/net/mlx4/en_tx.c +++ b/drivers/net/mlx4/en_tx.c @@ -249,6 +249,7 @@ static u32 mlx4_en_free_tx_desc(struct mlx4_en_priv *priv, pci_unmap_page(mdev->pdev, (dma_addr_t) be64_to_cpu(data->addr), frag->size, PCI_DMA_TODEVICE); + ++data; } } /* Stamp the freed descriptor */ diff --git a/drivers/net/netxen/netxen_nic.h b/drivers/net/netxen/netxen_nic.h index e1cdba7..f86e050 100644 --- a/drivers/net/netxen/netxen_nic.h +++ b/drivers/net/netxen/netxen_nic.h @@ -210,6 +210,7 @@ #define NETXEN_CTX_SIGNATURE 0xdee0 #define NETXEN_CTX_SIGNATURE_V2 0x0002dee0 #define NETXEN_CTX_RESET 0xbad0 +#define NETXEN_CTX_D3_RESET 0xacc0 #define NETXEN_RCV_PRODUCER(ringid) (ringid) #define PHAN_PEG_RCV_INITIALIZED 0xff01 @@ -773,6 +774,8 @@ struct nx_host_tx_ring { u32 crb_cmd_consumer; u32 num_desc; + struct netdev_queue *txq; + struct netxen_cmd_buffer *cmd_buf_arr; struct cmd_desc_type0 *desc_head; dma_addr_t phys_addr; diff --git a/drivers/net/netxen/netxen_nic_ctx.c b/drivers/net/netxen/netxen_nic_ctx.c index 4754f5c..9f8ae47 100644 --- a/drivers/net/netxen/netxen_nic_ctx.c +++ b/drivers/net/netxen/netxen_nic_ctx.c @@ -684,10 +684,8 @@ int netxen_alloc_hw_resources(struct netxen_adapter *adapter) goto err_out_free; } else { err = netxen_init_old_ctx(adapter); - if (err) { - netxen_free_hw_resources(adapter); - return err; - } + if (err) + goto err_out_free; } return 0; @@ -708,15 +706,18 @@ void netxen_free_hw_resources(struct netxen_adapter *adapter) int port = adapter->portnum; if (adapter->fw_major >= 4) { - nx_fw_cmd_destroy_tx_ctx(adapter); nx_fw_cmd_destroy_rx_ctx(adapter); + nx_fw_cmd_destroy_tx_ctx(adapter); } else { netxen_api_lock(adapter); NXWR32(adapter, CRB_CTX_SIGNATURE_REG(port), - NETXEN_CTX_RESET | port); + NETXEN_CTX_D3_RESET | port); netxen_api_unlock(adapter); } + /* Allow dma queues to drain after context reset */ + msleep(20); + recv_ctx = &adapter->recv_ctx; if (recv_ctx->hwctx != NULL) { diff --git a/drivers/net/netxen/netxen_nic_hw.c b/drivers/net/netxen/netxen_nic_hw.c index ce3b89d..b9123d4 100644 --- a/drivers/net/netxen/netxen_nic_hw.c +++ b/drivers/net/netxen/netxen_nic_hw.c @@ -461,13 +461,14 @@ netxen_send_cmd_descs(struct netxen_adapter *adapter, i = 0; tx_ring = adapter->tx_ring; - netif_tx_lock_bh(adapter->netdev); + __netif_tx_lock_bh(tx_ring->txq); producer = tx_ring->producer; consumer = tx_ring->sw_consumer; - if (nr_desc >= find_diff_among(producer, consumer, tx_ring->num_desc)) { - netif_tx_unlock_bh(adapter->netdev); + if (nr_desc >= netxen_tx_avail(tx_ring)) { + netif_tx_stop_queue(tx_ring->txq); + __netif_tx_unlock_bh(tx_ring->txq); return -EBUSY; } @@ -490,7 +491,7 @@ netxen_send_cmd_descs(struct netxen_adapter *adapter, netxen_nic_update_cmd_producer(adapter, tx_ring); - netif_tx_unlock_bh(adapter->netdev); + __netif_tx_unlock_bh(tx_ring->txq); return 0; } diff --git a/drivers/net/netxen/netxen_nic_init.c b/drivers/net/netxen/netxen_nic_init.c index b899bd5..7acf204 100644 --- a/drivers/net/netxen/netxen_nic_init.c +++ b/drivers/net/netxen/netxen_nic_init.c @@ -184,6 +184,13 @@ void netxen_free_sw_resources(struct netxen_adapter *adapter) kfree(recv_ctx->rds_rings); skip_rds: + if (recv_ctx->sds_rings == NULL) + goto skip_sds; + + for(ring = 0; ring < adapter->max_sds_rings; ring++) + recv_ctx->sds_rings[ring].consumer = 0; + +skip_sds: if (adapter->tx_ring == NULL) return; @@ -214,6 +221,7 @@ int netxen_alloc_sw_resources(struct netxen_adapter *adapter) adapter->tx_ring = tx_ring; tx_ring->num_desc = adapter->num_txd; + tx_ring->txq = netdev_get_tx_queue(netdev, 0); cmd_buf_arr = vmalloc(TX_BUFF_RINGSIZE(tx_ring)); if (cmd_buf_arr == NULL) { @@ -1400,10 +1408,10 @@ int netxen_process_cmd_ring(struct netxen_adapter *adapter) smp_mb(); if (netif_queue_stopped(netdev) && netif_carrier_ok(netdev)) { - netif_tx_lock(netdev); + __netif_tx_lock(tx_ring->txq, smp_processor_id()); if (netxen_tx_avail(tx_ring) > TX_STOP_THRESH) netif_wake_queue(netdev); - netif_tx_unlock(netdev); + __netif_tx_unlock(tx_ring->txq); } } /* diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c index 27539dd..3cd8cfc 100644 --- a/drivers/net/netxen/netxen_nic_main.c +++ b/drivers/net/netxen/netxen_nic_main.c @@ -215,13 +215,13 @@ netxen_napi_disable(struct netxen_adapter *adapter) for (ring = 0; ring < adapter->max_sds_rings; ring++) { sds_ring = &recv_ctx->sds_rings[ring]; - napi_disable(&sds_ring->napi); netxen_nic_disable_int(sds_ring); - synchronize_irq(sds_ring->irq); + napi_synchronize(&sds_ring->napi); + napi_disable(&sds_ring->napi); } } -static int nx_set_dma_mask(struct netxen_adapter *adapter, uint8_t revision_id) +static int nx_set_dma_mask(struct netxen_adapter *adapter) { struct pci_dev *pdev = adapter->pdev; uint64_t mask, cmask; @@ -229,19 +229,17 @@ static int nx_set_dma_mask(struct netxen_adapter *adapter, uint8_t revision_id) adapter->pci_using_dac = 0; mask = DMA_BIT_MASK(32); - /* - * Consistent DMA mask is set to 32 bit because it cannot be set to - * 35 bits. For P3 also leave it at 32 bits for now. Only the rings - * come off this pool. - */ cmask = DMA_BIT_MASK(32); + if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) { #ifndef CONFIG_IA64 - if (revision_id >= NX_P3_B0) - mask = DMA_BIT_MASK(39); - else if (revision_id == NX_P2_C1) mask = DMA_BIT_MASK(35); #endif + } else { + mask = DMA_BIT_MASK(39); + cmask = mask; + } + if (pci_set_dma_mask(pdev, mask) == 0 && pci_set_consistent_dma_mask(pdev, cmask) == 0) { adapter->pci_using_dac = 1; @@ -256,7 +254,7 @@ static int nx_update_dma_mask(struct netxen_adapter *adapter) { int change, shift, err; - uint64_t mask, old_mask; + uint64_t mask, old_mask, old_cmask; struct pci_dev *pdev = adapter->pdev; change = 0; @@ -272,14 +270,29 @@ nx_update_dma_mask(struct netxen_adapter *adapter) if (change) { old_mask = pdev->dma_mask; + old_cmask = pdev->dev.coherent_dma_mask; + mask = (1ULL<<(32+shift)) - 1; err = pci_set_dma_mask(pdev, mask); if (err) - return pci_set_dma_mask(pdev, old_mask); + goto err_out; + + if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) { + + err = pci_set_consistent_dma_mask(pdev, mask); + if (err) + goto err_out; + } + dev_info(&pdev->dev, "using %d-bit dma mask\n", 32+shift); } return 0; + +err_out: + pci_set_dma_mask(pdev, old_mask); + pci_set_consistent_dma_mask(pdev, old_cmask); + return err; } static void netxen_check_options(struct netxen_adapter *adapter) @@ -833,11 +846,11 @@ netxen_nic_up(struct netxen_adapter *adapter, struct net_device *netdev) adapter->ahw.linkup = 0; - netxen_napi_enable(adapter); - if (adapter->max_sds_rings > 1) netxen_config_rss(adapter, 1); + netxen_napi_enable(adapter); + if (adapter->capabilities & NX_FW_CAPABILITY_LINK_NOTIFICATION) netxen_linkevent_request(adapter, 1); else @@ -851,8 +864,9 @@ netxen_nic_up(struct netxen_adapter *adapter, struct net_device *netdev) static void netxen_nic_down(struct netxen_adapter *adapter, struct net_device *netdev) { + spin_lock(&adapter->tx_clean_lock); netif_carrier_off(netdev); - netif_stop_queue(netdev); + netif_tx_disable(netdev); if (adapter->stop_port) adapter->stop_port(adapter); @@ -863,9 +877,10 @@ netxen_nic_down(struct netxen_adapter *adapter, struct net_device *netdev) netxen_napi_disable(adapter); netxen_release_tx_buffers(adapter); + spin_unlock(&adapter->tx_clean_lock); - FLUSH_SCHEDULED_WORK(); del_timer_sync(&adapter->watchdog_timer); + FLUSH_SCHEDULED_WORK(); } @@ -943,8 +958,8 @@ err_out_free_sw: static void netxen_nic_detach(struct netxen_adapter *adapter) { - netxen_release_rx_buffers(adapter); netxen_free_hw_resources(adapter); + netxen_release_rx_buffers(adapter); netxen_nic_free_irq(adapter); netxen_free_sw_resources(adapter); @@ -1004,7 +1019,7 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) revision_id = pdev->revision; adapter->ahw.revision_id = revision_id; - err = nx_set_dma_mask(adapter, revision_id); + err = nx_set_dma_mask(adapter); if (err) goto err_out_free_netdev; @@ -1533,10 +1548,12 @@ static int netxen_nic_check_temp(struct netxen_adapter *adapter) printk(KERN_ALERT "%s: Device temperature %d degrees C exceeds" " maximum allowed. Hardware has been shut down.\n", - netxen_nic_driver_name, temp_val); + netdev->name, temp_val); + + netif_device_detach(netdev); + netxen_nic_down(adapter, netdev); + netxen_nic_detach(adapter); - netif_carrier_off(netdev); - netif_stop_queue(netdev); rv = 1; } else if (temp_state == NX_TEMP_WARN) { if (adapter->temp == NX_TEMP_NORMAL) { @@ -1544,13 +1561,13 @@ static int netxen_nic_check_temp(struct netxen_adapter *adapter) "%s: Device temperature %d degrees C " "exceeds operating range." " Immediate action needed.\n", - netxen_nic_driver_name, temp_val); + netdev->name, temp_val); } } else { if (adapter->temp == NX_TEMP_WARN) { printk(KERN_INFO "%s: Device temperature is now %d degrees C" - " in normal range.\n", netxen_nic_driver_name, + " in normal range.\n", netdev->name, temp_val); } } @@ -1623,7 +1640,7 @@ void netxen_watchdog_task(struct work_struct *work) struct netxen_adapter *adapter = container_of(work, struct netxen_adapter, watchdog_task); - if ((adapter->portnum == 0) && netxen_nic_check_temp(adapter)) + if (netxen_nic_check_temp(adapter)) return; if (!adapter->has_link_events) @@ -1645,6 +1662,9 @@ static void netxen_tx_timeout_task(struct work_struct *work) struct netxen_adapter *adapter = container_of(work, struct netxen_adapter, tx_timeout_task); + if (!netif_running(adapter->netdev)) + return; + printk(KERN_ERR "%s %s: transmit timeout, resetting.\n", netxen_nic_driver_name, adapter->netdev->name); @@ -1757,7 +1777,8 @@ static int netxen_nic_poll(struct napi_struct *napi, int budget) if ((work_done < budget) && tx_complete) { napi_complete(&sds_ring->napi); - netxen_nic_enable_int(sds_ring); + if (netif_running(adapter->netdev)) + netxen_nic_enable_int(sds_ring); } return work_done; diff --git a/drivers/net/pcmcia/3c589_cs.c b/drivers/net/pcmcia/3c589_cs.c index ec7cf5a..690b9c7 100644 --- a/drivers/net/pcmcia/3c589_cs.c +++ b/drivers/net/pcmcia/3c589_cs.c @@ -156,6 +156,7 @@ static struct net_device_stats *el3_get_stats(struct net_device *dev); static int el3_rx(struct net_device *dev); static int el3_close(struct net_device *dev); static void el3_tx_timeout(struct net_device *dev); +static void set_rx_mode(struct net_device *dev); static void set_multicast_list(struct net_device *dev); static const struct ethtool_ops netdev_ethtool_ops; @@ -488,8 +489,7 @@ static void tc589_reset(struct net_device *dev) /* Switch to register set 1 for normal use. */ EL3WINDOW(1); - /* Accept b-cast and phys addr only. */ - outw(SetRxFilter | RxStation | RxBroadcast, ioaddr + EL3_CMD); + set_rx_mode(dev); outw(StatsEnable, ioaddr + EL3_CMD); /* Turn on statistics. */ outw(RxEnable, ioaddr + EL3_CMD); /* Enable the receiver. */ outw(TxEnable, ioaddr + EL3_CMD); /* Enable transmitter. */ @@ -700,7 +700,7 @@ static irqreturn_t el3_interrupt(int irq, void *dev_id) if (fifo_diag & 0x2000) { /* Rx underrun */ tc589_wait_for_completion(dev, RxReset); - set_multicast_list(dev); + set_rx_mode(dev); outw(RxEnable, ioaddr + EL3_CMD); } outw(AckIntr | AdapterFailure, ioaddr + EL3_CMD); @@ -905,14 +905,11 @@ static int el3_rx(struct net_device *dev) return 0; } -static void set_multicast_list(struct net_device *dev) +static void set_rx_mode(struct net_device *dev) { - struct el3_private *lp = netdev_priv(dev); - struct pcmcia_device *link = lp->p_dev; unsigned int ioaddr = dev->base_addr; u16 opts = SetRxFilter | RxStation | RxBroadcast; - if (!pcmcia_dev_present(link)) return; if (dev->flags & IFF_PROMISC) opts |= RxMulticast | RxProm; else if (dev->mc_count || (dev->flags & IFF_ALLMULTI)) @@ -920,6 +917,16 @@ static void set_multicast_list(struct net_device *dev) outw(opts, ioaddr + EL3_CMD); } +static void set_multicast_list(struct net_device *dev) +{ + struct el3_private *priv = netdev_priv(dev); + unsigned long flags; + + spin_lock_irqsave(&priv->lock, flags); + set_rx_mode(dev); + spin_unlock_irqrestore(&priv->lock, flags); +} + static int el3_close(struct net_device *dev) { struct el3_private *lp = netdev_priv(dev); diff --git a/drivers/net/pcnet32.c b/drivers/net/pcnet32.c index 2836815..a646a44 100644 --- a/drivers/net/pcnet32.c +++ b/drivers/net/pcnet32.c @@ -1611,8 +1611,11 @@ pcnet32_probe1(unsigned long ioaddr, int shared, struct pci_dev *pdev) if (pcnet32_dwio_read_csr(ioaddr, 0) == 4 && pcnet32_dwio_check(ioaddr)) { a = &pcnet32_dwio; - } else + } else { + if (pcnet32_debug & NETIF_MSG_PROBE) + printk(KERN_ERR PFX "No access methods\n"); goto err_release_region; + } } chip_version = @@ -1719,7 +1722,9 @@ pcnet32_probe1(unsigned long ioaddr, int shared, struct pci_dev *pdev) ret = -ENOMEM; goto err_release_region; } - SET_NETDEV_DEV(dev, &pdev->dev); + + if (pdev) + SET_NETDEV_DEV(dev, &pdev->dev); if (pcnet32_debug & NETIF_MSG_PROBE) printk(KERN_INFO PFX "%s at %#3lx,", chipname, ioaddr); @@ -1818,7 +1823,6 @@ pcnet32_probe1(unsigned long ioaddr, int shared, struct pci_dev *pdev) spin_lock_init(&lp->lock); - SET_NETDEV_DEV(dev, &pdev->dev); lp->name = chipname; lp->shared_irq = shared; lp->tx_ring_size = TX_RING_SIZE; /* default tx ring size */ @@ -1852,12 +1856,6 @@ pcnet32_probe1(unsigned long ioaddr, int shared, struct pci_dev *pdev) ((cards_found >= MAX_UNITS) || full_duplex[cards_found])) lp->options |= PCNET32_PORT_FD; - if (!a) { - if (pcnet32_debug & NETIF_MSG_PROBE) - printk(KERN_ERR PFX "No access methods\n"); - ret = -ENODEV; - goto err_free_consistent; - } lp->a = *a; /* prior to register_netdev, dev->name is not yet correct */ @@ -1973,14 +1971,13 @@ pcnet32_probe1(unsigned long ioaddr, int shared, struct pci_dev *pdev) return 0; - err_free_ring: +err_free_ring: pcnet32_free_ring(dev); - err_free_consistent: pci_free_consistent(lp->pci_dev, sizeof(*lp->init_block), lp->init_block, lp->init_dma_addr); - err_free_netdev: +err_free_netdev: free_netdev(dev); - err_release_region: +err_release_region: release_region(ioaddr, PCNET32_TOTAL_SIZE); return ret; } @@ -2089,6 +2086,7 @@ static void pcnet32_free_ring(struct net_device *dev) static int pcnet32_open(struct net_device *dev) { struct pcnet32_private *lp = netdev_priv(dev); + struct pci_dev *pdev = lp->pci_dev; unsigned long ioaddr = dev->base_addr; u16 val; int i; @@ -2149,9 +2147,9 @@ static int pcnet32_open(struct net_device *dev) lp->a.write_csr(ioaddr, 124, val); /* Allied Telesyn AT 2700/2701 FX are 100Mbit only and do not negotiate */ - if (lp->pci_dev->subsystem_vendor == PCI_VENDOR_ID_AT && - (lp->pci_dev->subsystem_device == PCI_SUBDEVICE_ID_AT_2700FX || - lp->pci_dev->subsystem_device == PCI_SUBDEVICE_ID_AT_2701FX)) { + if (pdev && pdev->subsystem_vendor == PCI_VENDOR_ID_AT && + (pdev->subsystem_device == PCI_SUBDEVICE_ID_AT_2700FX || + pdev->subsystem_device == PCI_SUBDEVICE_ID_AT_2701FX)) { if (lp->options & PCNET32_PORT_ASEL) { lp->options = PCNET32_PORT_FD | PCNET32_PORT_100; if (netif_msg_link(lp)) diff --git a/drivers/net/phy/mdio-gpio.c b/drivers/net/phy/mdio-gpio.c index 33984b7..22cdd45 100644 --- a/drivers/net/phy/mdio-gpio.c +++ b/drivers/net/phy/mdio-gpio.c @@ -30,6 +30,7 @@ #ifdef CONFIG_OF_GPIO #include <linux/of_gpio.h> +#include <linux/of_mdio.h> #include <linux/of_platform.h> #endif @@ -81,13 +82,12 @@ static struct mdiobb_ops mdio_gpio_ops = { .get_mdio_data = mdio_get, }; -static int __devinit mdio_gpio_bus_init(struct device *dev, +static struct mii_bus * __devinit mdio_gpio_bus_init(struct device *dev, struct mdio_gpio_platform_data *pdata, int bus_id) { struct mii_bus *new_bus; struct mdio_gpio_info *bitbang; - int ret = -ENOMEM; int i; bitbang = kzalloc(sizeof(*bitbang), GFP_KERNEL); @@ -104,8 +104,6 @@ static int __devinit mdio_gpio_bus_init(struct device *dev, new_bus->name = "GPIO Bitbanged MDIO", - ret = -ENODEV; - new_bus->phy_mask = pdata->phy_mask; new_bus->irq = pdata->irqs; new_bus->parent = dev; @@ -129,15 +127,8 @@ static int __devinit mdio_gpio_bus_init(struct device *dev, dev_set_drvdata(dev, new_bus); - ret = mdiobus_register(new_bus); - if (ret) - goto out_free_all; - - return 0; + return new_bus; -out_free_all: - dev_set_drvdata(dev, NULL); - gpio_free(bitbang->mdio); out_free_mdc: gpio_free(bitbang->mdc); out_free_bus: @@ -145,30 +136,47 @@ out_free_bus: out_free_bitbang: kfree(bitbang); out: - return ret; + return NULL; } -static void __devexit mdio_gpio_bus_destroy(struct device *dev) +static void __devinit mdio_gpio_bus_deinit(struct device *dev) { struct mii_bus *bus = dev_get_drvdata(dev); struct mdio_gpio_info *bitbang = bus->priv; - mdiobus_unregister(bus); - free_mdio_bitbang(bus); dev_set_drvdata(dev, NULL); - gpio_free(bitbang->mdc); gpio_free(bitbang->mdio); + gpio_free(bitbang->mdc); + free_mdio_bitbang(bus); kfree(bitbang); } +static void __devexit mdio_gpio_bus_destroy(struct device *dev) +{ + struct mii_bus *bus = dev_get_drvdata(dev); + + mdiobus_unregister(bus); + mdio_gpio_bus_deinit(dev); +} + static int __devinit mdio_gpio_probe(struct platform_device *pdev) { struct mdio_gpio_platform_data *pdata = pdev->dev.platform_data; + struct mii_bus *new_bus; + int ret; if (!pdata) return -ENODEV; - return mdio_gpio_bus_init(&pdev->dev, pdata, pdev->id); + new_bus = mdio_gpio_bus_init(&pdev->dev, pdata, pdev->id); + if (!new_bus) + return -ENODEV; + + ret = mdiobus_register(new_bus); + if (ret) + mdio_gpio_bus_deinit(&pdev->dev); + + return ret; } static int __devexit mdio_gpio_remove(struct platform_device *pdev) @@ -179,29 +187,12 @@ static int __devexit mdio_gpio_remove(struct platform_device *pdev) } #ifdef CONFIG_OF_GPIO -static void __devinit add_phy(struct mdio_gpio_platform_data *pdata, - struct device_node *np) -{ - const u32 *data; - int len, id, irq; - - data = of_get_property(np, "reg", &len); - if (!data || len != 4) - return; - - id = *data; - pdata->phy_mask &= ~(1 << id); - - irq = of_irq_to_resource(np, 0, NULL); - if (irq) - pdata->irqs[id] = irq; -} static int __devinit mdio_ofgpio_probe(struct of_device *ofdev, const struct of_device_id *match) { - struct device_node *np = NULL; struct mdio_gpio_platform_data *pdata; + struct mii_bus *new_bus; int ret; pdata = kzalloc(sizeof(*pdata), GFP_KERNEL); @@ -215,14 +206,18 @@ static int __devinit mdio_ofgpio_probe(struct of_device *ofdev, ret = of_get_gpio(ofdev->node, 1); if (ret < 0) - goto out_free; + goto out_free; pdata->mdio = ret; - while ((np = of_get_next_child(ofdev->node, np))) - if (!strcmp(np->type, "ethernet-phy")) - add_phy(pdata, np); + new_bus = mdio_gpio_bus_init(&ofdev->dev, pdata, pdata->mdc); + if (!new_bus) + return -ENODEV; - return mdio_gpio_bus_init(&ofdev->dev, pdata, pdata->mdc); + ret = of_mdiobus_register(new_bus, ofdev->node); + if (ret) + mdio_gpio_bus_deinit(&ofdev->dev); + + return ret; out_free: kfree(pdata); diff --git a/drivers/net/ppp_generic.c b/drivers/net/ppp_generic.c index 639d11b..cd37d73 100644 --- a/drivers/net/ppp_generic.c +++ b/drivers/net/ppp_generic.c @@ -1384,7 +1384,7 @@ static int ppp_mp_explode(struct ppp *ppp, struct sk_buff *skb) /* create a fragment for each channel */ bits = B; - while (nfree > 0 && len > 0) { + while (len > 0) { list = list->next; if (list == &ppp->channels) { i = 0; @@ -1431,29 +1431,31 @@ static int ppp_mp_explode(struct ppp *ppp, struct sk_buff *skb) *otherwise divide it according to the speed *of the channel we are going to transmit on */ - if (pch->speed == 0) { - flen = totlen/nfree ; - if (nbigger > 0) { - flen++; - nbigger--; - } - } else { - flen = (((totfree - nzero)*(totlen + hdrlen*totfree)) / - ((totspeed*totfree)/pch->speed)) - hdrlen; - if (nbigger > 0) { - flen += ((totfree - nzero)*pch->speed)/totspeed; - nbigger -= ((totfree - nzero)*pch->speed)/ + if (nfree > 0) { + if (pch->speed == 0) { + flen = totlen/nfree ; + if (nbigger > 0) { + flen++; + nbigger--; + } + } else { + flen = (((totfree - nzero)*(totlen + hdrlen*totfree)) / + ((totspeed*totfree)/pch->speed)) - hdrlen; + if (nbigger > 0) { + flen += ((totfree - nzero)*pch->speed)/totspeed; + nbigger -= ((totfree - nzero)*pch->speed)/ totspeed; + } } + nfree--; } - nfree--; /* *check if we are on the last channel or *we exceded the lenght of the data to *fragment */ - if ((nfree == 0) || (flen > len)) + if ((nfree <= 0) || (flen > len)) flen = len; /* *it is not worth to tx on slow channels: @@ -1467,7 +1469,7 @@ static int ppp_mp_explode(struct ppp *ppp, struct sk_buff *skb) continue; } - mtu = pch->chan->mtu + 2 - hdrlen; + mtu = pch->chan->mtu - hdrlen; if (mtu < 4) mtu = 4; if (flen > mtu) diff --git a/drivers/net/pppoe.c b/drivers/net/pppoe.c index f0031f1..5f20902 100644 --- a/drivers/net/pppoe.c +++ b/drivers/net/pppoe.c @@ -1063,6 +1063,7 @@ static void *pppoe_seq_next(struct seq_file *seq, void *v, loff_t *pos) else { int hash = hash_item(po->pppoe_pa.sid, po->pppoe_pa.remote); + po = NULL; while (++hash < PPPOE_HASH_SIZE) { po = pn->hash_table[hash]; if (po) diff --git a/drivers/net/pppol2tp.c b/drivers/net/pppol2tp.c index e7935d0..e0f9219 100644 --- a/drivers/net/pppol2tp.c +++ b/drivers/net/pppol2tp.c @@ -2680,6 +2680,7 @@ out_unregister_pppol2tp_proto: static void __exit pppol2tp_exit(void) { unregister_pppox_proto(PX_PROTO_OL2TP); + unregister_pernet_gen_device(pppol2tp_net_id, &pppol2tp_net_ops); proto_unregister(&pppol2tp_sk_proto); } diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c index 4b53b58..b82780d 100644 --- a/drivers/net/r8169.c +++ b/drivers/net/r8169.c @@ -2060,8 +2060,6 @@ rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) } } - pci_set_master(pdev); - /* ioremap MMIO region */ ioaddr = ioremap(pci_resource_start(pdev, region), R8169_REGS_SIZE); if (!ioaddr) { @@ -2089,6 +2087,8 @@ rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) RTL_W16(IntrStatus, 0xffff); + pci_set_master(pdev); + /* Identify chip attached to board */ rtl8169_get_mac_version(tp, ioaddr); @@ -3874,6 +3874,15 @@ static void rtl_shutdown(struct pci_dev *pdev) spin_unlock_irq(&tp->lock); if (system_state == SYSTEM_POWER_OFF) { + /* WoL fails with some 8168 when the receiver is disabled. */ + if (tp->features & RTL_FEATURE_WOL) { + pci_clear_master(pdev); + + RTL_W8(ChipCmd, CmdRxEnb); + /* PCI commit */ + RTL_R8(ChipCmd); + } + pci_wake_from_d3(pdev, true); pci_set_power_state(pdev, PCI_D3hot); } diff --git a/drivers/net/s6gmac.c b/drivers/net/s6gmac.c index 5345e47..4525cbe 100644 --- a/drivers/net/s6gmac.c +++ b/drivers/net/s6gmac.c @@ -793,7 +793,7 @@ static inline int s6gmac_phy_start(struct net_device *dev) struct s6gmac *pd = netdev_priv(dev); int i = 0; struct phy_device *p = NULL; - while ((!(p = pd->mii.bus->phy_map[i])) && (i < PHY_MAX_ADDR)) + while ((i < PHY_MAX_ADDR) && (!(p = pd->mii.bus->phy_map[i]))) i++; p = phy_connect(dev, dev_name(&p->dev), &s6gmac_adjust_link, 0, PHY_INTERFACE_MODE_RGMII); diff --git a/drivers/net/sc92031.c b/drivers/net/sc92031.c index 18821f2..e3156c9 100644 --- a/drivers/net/sc92031.c +++ b/drivers/net/sc92031.c @@ -1593,6 +1593,7 @@ out: static struct pci_device_id sc92031_pci_device_id_table[] __devinitdata = { { PCI_DEVICE(PCI_VENDOR_ID_SILAN, 0x2031) }, { PCI_DEVICE(PCI_VENDOR_ID_SILAN, 0x8139) }, + { PCI_DEVICE(0x1088, 0x2031) }, { 0, } }; MODULE_DEVICE_TABLE(pci, sc92031_pci_device_id_table); diff --git a/drivers/net/skge.c b/drivers/net/skge.c index 60d502e..543af20 100644 --- a/drivers/net/skge.c +++ b/drivers/net/skge.c @@ -3854,8 +3854,10 @@ static struct net_device *skge_devinit(struct skge_hw *hw, int port, skge->speed = -1; skge->advertising = skge_supported_modes(hw); - if (device_may_wakeup(&hw->pdev->dev)) + if (device_can_wakeup(&hw->pdev->dev)) { skge->wol = wol_supported(hw) & WAKE_MAGIC; + device_set_wakeup_enable(&hw->pdev->dev, skge->wol); + } hw->dev[port] = dev; diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c index daf961a..0a551d8 100644 --- a/drivers/net/sky2.c +++ b/drivers/net/sky2.c @@ -1151,14 +1151,7 @@ stopped: /* reset the Rx prefetch unit */ sky2_write32(hw, Y2_QADDR(rxq, PREF_UNIT_CTRL), PREF_UNIT_RST_SET); - - /* Reset the RAM Buffer receive queue */ - sky2_write8(hw, RB_ADDR(rxq, RB_CTRL), RB_RST_SET); - - /* Reset Rx MAC FIFO */ - sky2_write8(hw, SK_REG(sky2->port, RX_GMF_CTRL_T), GMF_RST_SET); - - sky2_read8(hw, B0_CTST); + mmiowb(); } /* Clean out receive buffer area, assumes receiver hardware stopped */ @@ -1495,6 +1488,8 @@ static int sky2_up(struct net_device *dev) sky2_set_vlan_mode(hw, port, sky2->vlgrp != NULL); #endif + sky2->restarting = 0; + err = sky2_rx_start(sky2); if (err) goto err_out; @@ -1507,6 +1502,9 @@ static int sky2_up(struct net_device *dev) sky2_set_multicast(dev); + /* wake queue incase we are restarting */ + netif_wake_queue(dev); + if (netif_msg_ifup(sky2)) printk(KERN_INFO PFX "%s: enabling interface\n", dev->name); return 0; @@ -1540,6 +1538,8 @@ static inline int tx_dist(unsigned tail, unsigned head) /* Number of list elements available for next tx */ static inline int tx_avail(const struct sky2_port *sky2) { + if (unlikely(sky2->restarting)) + return 0; return sky2->tx_pending - tx_dist(sky2->tx_cons, sky2->tx_prod); } @@ -1825,11 +1825,9 @@ static int sky2_down(struct net_device *dev) if (netif_msg_ifdown(sky2)) printk(KERN_INFO PFX "%s: disabling interface\n", dev->name); - /* Disable port IRQ */ - imask = sky2_read32(hw, B0_IMSK); - imask &= ~portirq_msk[port]; - sky2_write32(hw, B0_IMSK, imask); - sky2_read32(hw, B0_IMSK); + /* explicitly shut off tx incase we're restarting */ + sky2->restarting = 1; + netif_tx_disable(dev); /* Force flow control off */ sky2_write8(hw, SK_REG(port, GMAC_CTRL), GMC_PAUSE_OFF); @@ -1870,8 +1868,6 @@ static int sky2_down(struct net_device *dev) sky2_write32(hw, RB_ADDR(txqaddr[port], RB_CTRL), RB_RST_SET); - sky2_rx_stop(sky2); - sky2_write8(hw, SK_REG(port, RX_GMF_CTRL_T), GMF_RST_SET); sky2_write8(hw, SK_REG(port, TX_GMF_CTRL_T), GMF_RST_SET); @@ -1881,6 +1877,14 @@ static int sky2_down(struct net_device *dev) sky2_write32(hw, STAT_ISR_TIMER_CNT, 0); sky2_read8(hw, STAT_ISR_TIMER_CTRL); + sky2_rx_stop(sky2); + + /* Disable port IRQ */ + imask = sky2_read32(hw, B0_IMSK); + imask &= ~portirq_msk[port]; + sky2_write32(hw, B0_IMSK, imask); + sky2_read32(hw, B0_IMSK); + synchronize_irq(hw->pdev->irq); napi_synchronize(&hw->napi); @@ -2366,7 +2370,7 @@ static inline void sky2_tx_done(struct net_device *dev, u16 last) { struct sky2_port *sky2 = netdev_priv(dev); - if (netif_running(dev)) { + if (likely(netif_running(dev) && !sky2->restarting)) { netif_tx_lock(dev); sky2_tx_complete(sky2, last); netif_tx_unlock(dev); @@ -4290,6 +4294,7 @@ static __devinit struct net_device *sky2_init_netdev(struct sky2_hw *hw, spin_lock_init(&sky2->phy_lock); sky2->tx_pending = TX_DEF_PENDING; sky2->rx_pending = RX_DEF_PENDING; + sky2->restarting = 0; hw->dev[port] = dev; diff --git a/drivers/net/sky2.h b/drivers/net/sky2.h index b5549c9..4486b06 100644 --- a/drivers/net/sky2.h +++ b/drivers/net/sky2.h @@ -2051,6 +2051,7 @@ struct sky2_port { u8 duplex; /* DUPLEX_HALF, DUPLEX_FULL */ u8 rx_csum; u8 wol; + u8 restarting; enum flow_control flow_mode; enum flow_control flow_status; diff --git a/drivers/net/smc91x.h b/drivers/net/smc91x.h index f1f773b..57a159f 100644 --- a/drivers/net/smc91x.h +++ b/drivers/net/smc91x.h @@ -186,7 +186,8 @@ static inline void SMC_outw(u16 val, void __iomem *ioaddr, int reg) #define SMC_outsb(a, r, p, l) writesb((a) + (r), p, (l)) #define SMC_IRQ_FLAGS (-1) /* from resource */ -#elif defined(CONFIG_MACH_LOGICPD_PXA270) +#elif defined(CONFIG_MACH_LOGICPD_PXA270) \ + || defined(CONFIG_MACH_NOMADIK_8815NHK) #define SMC_CAN_USE_8BIT 0 #define SMC_CAN_USE_16BIT 1 diff --git a/drivers/net/tokenring/ibmtr.c b/drivers/net/tokenring/ibmtr.c index 9d89611..08a6c41 100644 --- a/drivers/net/tokenring/ibmtr.c +++ b/drivers/net/tokenring/ibmtr.c @@ -1912,7 +1912,7 @@ static int __init ibmtr_init(void) find_turbo_adapters(io); - for (i = 0; io[i] && (i < IBMTR_MAX_ADAPTERS); i++) { + for (i = 0; i < IBMTR_MAX_ADAPTERS && io[i]; i++) { struct net_device *dev; irq[i] = 0; mem[i] = 0; diff --git a/drivers/net/tulip/de4x5.c b/drivers/net/tulip/de4x5.c index eb72d2e..acfdccd 100644 --- a/drivers/net/tulip/de4x5.c +++ b/drivers/net/tulip/de4x5.c @@ -5059,7 +5059,7 @@ mii_get_phy(struct net_device *dev) if ((id == 0) || (id == 65535)) continue; /* Valid ID? */ for (j=0; j<limit; j++) { /* Search PHY table */ if (id != phy_info[j].id) continue; /* ID match? */ - for (k=0; lp->phy[k].id && (k < DE4X5_MAX_PHY); k++); + for (k=0; k < DE4X5_MAX_PHY && lp->phy[k].id; k++); if (k < DE4X5_MAX_PHY) { memcpy((char *)&lp->phy[k], (char *)&phy_info[j], sizeof(struct phy_table)); @@ -5072,7 +5072,7 @@ mii_get_phy(struct net_device *dev) break; } if ((j == limit) && (i < DE4X5_MAX_MII)) { - for (k=0; lp->phy[k].id && (k < DE4X5_MAX_PHY); k++); + for (k=0; k < DE4X5_MAX_PHY && lp->phy[k].id; k++); lp->phy[k].addr = i; lp->phy[k].id = id; lp->phy[k].spd.reg = GENERIC_REG; /* ANLPA register */ @@ -5091,7 +5091,7 @@ mii_get_phy(struct net_device *dev) purgatory: lp->active = 0; if (lp->phy[0].id) { /* Reset the PHY devices */ - for (k=0; lp->phy[k].id && (k < DE4X5_MAX_PHY); k++) { /*For each PHY*/ + for (k=0; k < DE4X5_MAX_PHY && lp->phy[k].id; k++) { /*For each PHY*/ mii_wr(MII_CR_RST, MII_CR, lp->phy[k].addr, DE4X5_MII); while (mii_rd(MII_CR, lp->phy[k].addr, DE4X5_MII) & MII_CR_RST); diff --git a/drivers/net/ucc_geth.c b/drivers/net/ucc_geth.c index 40c6eba..3b957e6 100644 --- a/drivers/net/ucc_geth.c +++ b/drivers/net/ucc_geth.c @@ -1590,13 +1590,13 @@ static int init_phy(struct net_device *dev) priv->oldspeed = 0; priv->oldduplex = -1; - if (!ug_info->phy_node) - return 0; - phydev = of_phy_connect(dev, ug_info->phy_node, &adjust_link, 0, priv->phy_interface); + if (!phydev) + phydev = of_phy_connect_fixed_link(dev, &adjust_link, + priv->phy_interface); if (!phydev) { - printk("%s: Could not attach to PHY\n", dev->name); + dev_err(&dev->dev, "Could not attach to PHY\n"); return -ENODEV; } @@ -3608,9 +3608,7 @@ static int ucc_geth_probe(struct of_device* ofdev, const struct of_device_id *ma struct ucc_geth_private *ugeth = NULL; struct ucc_geth_info *ug_info; struct resource res; - struct device_node *phy; int err, ucc_num, max_speed = 0; - const u32 *fixed_link; const unsigned int *prop; const char *sprop; const void *mac_addr; @@ -3708,15 +3706,8 @@ static int ucc_geth_probe(struct of_device* ofdev, const struct of_device_id *ma ug_info->uf_info.regs = res.start; ug_info->uf_info.irq = irq_of_parse_and_map(np, 0); - fixed_link = of_get_property(np, "fixed-link", NULL); - if (fixed_link) { - phy = NULL; - } else { - phy = of_parse_phandle(np, "phy-handle", 0); - if (phy == NULL) - return -ENODEV; - } - ug_info->phy_node = phy; + + ug_info->phy_node = of_parse_phandle(np, "phy-handle", 0); /* Find the TBI PHY node. If it's not there, we don't support SGMII */ ug_info->tbi_node = of_parse_phandle(np, "tbi-handle", 0); @@ -3725,7 +3716,7 @@ static int ucc_geth_probe(struct of_device* ofdev, const struct of_device_id *ma prop = of_get_property(np, "phy-connection-type", NULL); if (!prop) { /* handle interface property present in old trees */ - prop = of_get_property(phy, "interface", NULL); + prop = of_get_property(ug_info->phy_node, "interface", NULL); if (prop != NULL) { phy_interface = enet_to_phy_interface[*prop]; max_speed = enet_to_speed[*prop]; diff --git a/drivers/net/usb/Kconfig b/drivers/net/usb/Kconfig index a906d39..c47237c 100644 --- a/drivers/net/usb/Kconfig +++ b/drivers/net/usb/Kconfig @@ -369,4 +369,12 @@ config USB_NET_INT51X1 (Powerline Communications) solution with an Intellon INT51x1/INT5200 chip, like the "devolo dLan duo". +config USB_CDC_PHONET + tristate "CDC Phonet support" + depends on PHONET + help + Choose this option to support the Phonet interface to a Nokia + cellular modem, as found on most Nokia handsets with the + "PC suite" USB profile. + endmenu diff --git a/drivers/net/usb/Makefile b/drivers/net/usb/Makefile index b870b0b..e17afb7 100644 --- a/drivers/net/usb/Makefile +++ b/drivers/net/usb/Makefile @@ -21,4 +21,5 @@ obj-$(CONFIG_USB_NET_ZAURUS) += zaurus.o obj-$(CONFIG_USB_NET_MCS7830) += mcs7830.o obj-$(CONFIG_USB_USBNET) += usbnet.o obj-$(CONFIG_USB_NET_INT51X1) += int51x1.o +obj-$(CONFIG_USB_CDC_PHONET) += cdc-phonet.o diff --git a/drivers/net/usb/cdc-phonet.c b/drivers/net/usb/cdc-phonet.c new file mode 100644 index 0000000..792af72 --- /dev/null +++ b/drivers/net/usb/cdc-phonet.c @@ -0,0 +1,461 @@ +/* + * phonet.c -- USB CDC Phonet host driver + * + * Copyright (C) 2008-2009 Nokia Corporation. All rights reserved. + * + * Author: Rémi Denis-Courmont + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/usb.h> +#include <linux/usb/cdc.h> +#include <linux/netdevice.h> +#include <linux/if_arp.h> +#include <linux/if_phonet.h> + +#define PN_MEDIA_USB 0x1B + +static const unsigned rxq_size = 17; + +struct usbpn_dev { + struct net_device *dev; + + struct usb_interface *intf, *data_intf; + struct usb_device *usb; + unsigned int tx_pipe, rx_pipe; + u8 active_setting; + u8 disconnected; + + unsigned tx_queue; + spinlock_t tx_lock; + + spinlock_t rx_lock; + struct sk_buff *rx_skb; + struct urb *urbs[0]; +}; + +static void tx_complete(struct urb *req); +static void rx_complete(struct urb *req); + +/* + * Network device callbacks + */ +static int usbpn_xmit(struct sk_buff *skb, struct net_device *dev) +{ + struct usbpn_dev *pnd = netdev_priv(dev); + struct urb *req = NULL; + unsigned long flags; + int err; + + if (skb->protocol != htons(ETH_P_PHONET)) + goto drop; + + req = usb_alloc_urb(0, GFP_ATOMIC); + if (!req) + goto drop; + usb_fill_bulk_urb(req, pnd->usb, pnd->tx_pipe, skb->data, skb->len, + tx_complete, skb); + req->transfer_flags = URB_ZERO_PACKET; + err = usb_submit_urb(req, GFP_ATOMIC); + if (err) { + usb_free_urb(req); + goto drop; + } + + spin_lock_irqsave(&pnd->tx_lock, flags); + pnd->tx_queue++; + if (pnd->tx_queue >= dev->tx_queue_len) + netif_stop_queue(dev); + spin_unlock_irqrestore(&pnd->tx_lock, flags); + return 0; + +drop: + dev_kfree_skb(skb); + dev->stats.tx_dropped++; + return 0; +} + +static void tx_complete(struct urb *req) +{ + struct sk_buff *skb = req->context; + struct net_device *dev = skb->dev; + struct usbpn_dev *pnd = netdev_priv(dev); + + switch (req->status) { + case 0: + dev->stats.tx_bytes += skb->len; + break; + + case -ENOENT: + case -ECONNRESET: + case -ESHUTDOWN: + dev->stats.tx_aborted_errors++; + default: + dev->stats.tx_errors++; + dev_dbg(&dev->dev, "TX error (%d)\n", req->status); + } + dev->stats.tx_packets++; + + spin_lock(&pnd->tx_lock); + pnd->tx_queue--; + netif_wake_queue(dev); + spin_unlock(&pnd->tx_lock); + + dev_kfree_skb_any(skb); + usb_free_urb(req); +} + +static int rx_submit(struct usbpn_dev *pnd, struct urb *req, gfp_t gfp_flags) +{ + struct net_device *dev = pnd->dev; + struct page *page; + int err; + + page = __netdev_alloc_page(dev, gfp_flags); + if (!page) + return -ENOMEM; + + usb_fill_bulk_urb(req, pnd->usb, pnd->rx_pipe, page_address(page), + PAGE_SIZE, rx_complete, dev); + req->transfer_flags = 0; + err = usb_submit_urb(req, gfp_flags); + if (unlikely(err)) { + dev_dbg(&dev->dev, "RX submit error (%d)\n", err); + netdev_free_page(dev, page); + } + return err; +} + +static void rx_complete(struct urb *req) +{ + struct net_device *dev = req->context; + struct usbpn_dev *pnd = netdev_priv(dev); + struct page *page = virt_to_page(req->transfer_buffer); + struct sk_buff *skb; + unsigned long flags; + + switch (req->status) { + case 0: + spin_lock_irqsave(&pnd->rx_lock, flags); + skb = pnd->rx_skb; + if (!skb) { + skb = pnd->rx_skb = netdev_alloc_skb(dev, 12); + if (likely(skb)) { + /* Can't use pskb_pull() on page in IRQ */ + memcpy(skb_put(skb, 1), page_address(page), 1); + skb_add_rx_frag(skb, skb_shinfo(skb)->nr_frags, + page, 1, req->actual_length); + page = NULL; + } + } else { + skb_add_rx_frag(skb, skb_shinfo(skb)->nr_frags, + page, 0, req->actual_length); + page = NULL; + } + if (req->actual_length < PAGE_SIZE) + pnd->rx_skb = NULL; /* Last fragment */ + else + skb = NULL; + spin_unlock_irqrestore(&pnd->rx_lock, flags); + if (skb) { + skb->protocol = htons(ETH_P_PHONET); + skb_reset_mac_header(skb); + __skb_pull(skb, 1); + skb->dev = dev; + dev->stats.rx_packets++; + dev->stats.rx_bytes += skb->len; + + netif_rx(skb); + } + goto resubmit; + + case -ENOENT: + case -ECONNRESET: + case -ESHUTDOWN: + req = NULL; + break; + + case -EOVERFLOW: + dev->stats.rx_over_errors++; + dev_dbg(&dev->dev, "RX overflow\n"); + break; + + case -EILSEQ: + dev->stats.rx_crc_errors++; + break; + } + + dev->stats.rx_errors++; +resubmit: + if (page) + netdev_free_page(dev, page); + if (req) + rx_submit(pnd, req, GFP_ATOMIC); +} + +static int usbpn_close(struct net_device *dev); + +static int usbpn_open(struct net_device *dev) +{ + struct usbpn_dev *pnd = netdev_priv(dev); + int err; + unsigned i; + unsigned num = pnd->data_intf->cur_altsetting->desc.bInterfaceNumber; + + err = usb_set_interface(pnd->usb, num, pnd->active_setting); + if (err) + return err; + + for (i = 0; i < rxq_size; i++) { + struct urb *req = usb_alloc_urb(0, GFP_KERNEL); + + if (!req || rx_submit(pnd, req, GFP_KERNEL)) { + usbpn_close(dev); + return -ENOMEM; + } + pnd->urbs[i] = req; + } + + netif_wake_queue(dev); + return 0; +} + +static int usbpn_close(struct net_device *dev) +{ + struct usbpn_dev *pnd = netdev_priv(dev); + unsigned i; + unsigned num = pnd->data_intf->cur_altsetting->desc.bInterfaceNumber; + + netif_stop_queue(dev); + + for (i = 0; i < rxq_size; i++) { + struct urb *req = pnd->urbs[i]; + + if (!req) + continue; + usb_kill_urb(req); + usb_free_urb(req); + pnd->urbs[i] = NULL; + } + + return usb_set_interface(pnd->usb, num, !pnd->active_setting); +} + +static int usbpn_set_mtu(struct net_device *dev, int new_mtu) +{ + if ((new_mtu < PHONET_MIN_MTU) || (new_mtu > PHONET_MAX_MTU)) + return -EINVAL; + + dev->mtu = new_mtu; + return 0; +} + +static const struct net_device_ops usbpn_ops = { + .ndo_open = usbpn_open, + .ndo_stop = usbpn_close, + .ndo_start_xmit = usbpn_xmit, + .ndo_change_mtu = usbpn_set_mtu, +}; + +static void usbpn_setup(struct net_device *dev) +{ + dev->features = 0; + dev->netdev_ops = &usbpn_ops, + dev->header_ops = &phonet_header_ops; + dev->type = ARPHRD_PHONET; + dev->flags = IFF_POINTOPOINT | IFF_NOARP; + dev->mtu = PHONET_MAX_MTU; + dev->hard_header_len = 1; + dev->dev_addr[0] = PN_MEDIA_USB; + dev->addr_len = 1; + dev->tx_queue_len = 3; + + dev->destructor = free_netdev; +} + +/* + * USB driver callbacks + */ +static struct usb_device_id usbpn_ids[] = { + { + .match_flags = USB_DEVICE_ID_MATCH_VENDOR + | USB_DEVICE_ID_MATCH_INT_CLASS + | USB_DEVICE_ID_MATCH_INT_SUBCLASS, + .idVendor = 0x0421, /* Nokia */ + .bInterfaceClass = USB_CLASS_COMM, + .bInterfaceSubClass = 0xFE, + }, + { }, +}; + +MODULE_DEVICE_TABLE(usb, usbpn_ids); + +static struct usb_driver usbpn_driver; + +int usbpn_probe(struct usb_interface *intf, const struct usb_device_id *id) +{ + static const char ifname[] = "usbpn%d"; + const struct usb_cdc_union_desc *union_header = NULL; + const struct usb_cdc_header_desc *phonet_header = NULL; + const struct usb_host_interface *data_desc; + struct usb_interface *data_intf; + struct usb_device *usbdev = interface_to_usbdev(intf); + struct net_device *dev; + struct usbpn_dev *pnd; + u8 *data; + int len, err; + + data = intf->altsetting->extra; + len = intf->altsetting->extralen; + while (len >= 3) { + u8 dlen = data[0]; + if (dlen < 3) + return -EINVAL; + + /* bDescriptorType */ + if (data[1] == USB_DT_CS_INTERFACE) { + /* bDescriptorSubType */ + switch (data[2]) { + case USB_CDC_UNION_TYPE: + if (union_header || dlen < 5) + break; + union_header = + (struct usb_cdc_union_desc *)data; + break; + case 0xAB: + if (phonet_header || dlen < 5) + break; + phonet_header = + (struct usb_cdc_header_desc *)data; + break; + } + } + data += dlen; + len -= dlen; + } + + if (!union_header || !phonet_header) + return -EINVAL; + + data_intf = usb_ifnum_to_if(usbdev, union_header->bSlaveInterface0); + if (data_intf == NULL) + return -ENODEV; + /* Data interface has one inactive and one active setting */ + if (data_intf->num_altsetting != 2) + return -EINVAL; + if (data_intf->altsetting[0].desc.bNumEndpoints == 0 + && data_intf->altsetting[1].desc.bNumEndpoints == 2) + data_desc = data_intf->altsetting + 1; + else + if (data_intf->altsetting[0].desc.bNumEndpoints == 2 + && data_intf->altsetting[1].desc.bNumEndpoints == 0) + data_desc = data_intf->altsetting; + else + return -EINVAL; + + dev = alloc_netdev(sizeof(*pnd) + sizeof(pnd->urbs[0]) * rxq_size, + ifname, usbpn_setup); + if (!dev) + return -ENOMEM; + + pnd = netdev_priv(dev); + SET_NETDEV_DEV(dev, &intf->dev); + netif_stop_queue(dev); + + pnd->dev = dev; + pnd->usb = usb_get_dev(usbdev); + pnd->intf = intf; + pnd->data_intf = data_intf; + spin_lock_init(&pnd->tx_lock); + spin_lock_init(&pnd->rx_lock); + /* Endpoints */ + if (usb_pipein(data_desc->endpoint[0].desc.bEndpointAddress)) { + pnd->rx_pipe = usb_rcvbulkpipe(usbdev, + data_desc->endpoint[0].desc.bEndpointAddress); + pnd->tx_pipe = usb_sndbulkpipe(usbdev, + data_desc->endpoint[1].desc.bEndpointAddress); + } else { + pnd->rx_pipe = usb_rcvbulkpipe(usbdev, + data_desc->endpoint[1].desc.bEndpointAddress); + pnd->tx_pipe = usb_sndbulkpipe(usbdev, + data_desc->endpoint[0].desc.bEndpointAddress); + } + pnd->active_setting = data_desc - data_intf->altsetting; + + err = usb_driver_claim_interface(&usbpn_driver, data_intf, pnd); + if (err) + goto out; + + /* Force inactive mode until the network device is brought UP */ + usb_set_interface(usbdev, union_header->bSlaveInterface0, + !pnd->active_setting); + usb_set_intfdata(intf, pnd); + + err = register_netdev(dev); + if (err) { + usb_driver_release_interface(&usbpn_driver, data_intf); + goto out; + } + + dev_dbg(&dev->dev, "USB CDC Phonet device found\n"); + return 0; + +out: + usb_set_intfdata(intf, NULL); + free_netdev(dev); + return err; +} + +static void usbpn_disconnect(struct usb_interface *intf) +{ + struct usbpn_dev *pnd = usb_get_intfdata(intf); + struct usb_device *usb = pnd->usb; + + if (pnd->disconnected) + return; + + pnd->disconnected = 1; + usb_driver_release_interface(&usbpn_driver, + (pnd->intf == intf) ? pnd->data_intf : pnd->intf); + unregister_netdev(pnd->dev); + usb_put_dev(usb); +} + +static struct usb_driver usbpn_driver = { + .name = "cdc_phonet", + .probe = usbpn_probe, + .disconnect = usbpn_disconnect, + .id_table = usbpn_ids, +}; + +static int __init usbpn_init(void) +{ + return usb_register(&usbpn_driver); +} + +static void __exit usbpn_exit(void) +{ + usb_deregister(&usbpn_driver); +} + +module_init(usbpn_init); +module_exit(usbpn_exit); + +MODULE_AUTHOR("Remi Denis-Courmont"); +MODULE_DESCRIPTION("USB CDC Phonet host interface"); +MODULE_LICENSE("GPL"); diff --git a/drivers/net/usb/cdc_eem.c b/drivers/net/usb/cdc_eem.c index cd35d50..45cebfb 100644 --- a/drivers/net/usb/cdc_eem.c +++ b/drivers/net/usb/cdc_eem.c @@ -311,7 +311,7 @@ static int eem_rx_fixup(struct usbnet *dev, struct sk_buff *skb) * bmCRC = 0 : CRC = 0xDEADBEEF */ if (header & BIT(14)) - crc2 = ~crc32_le(~0, skb2->data, len); + crc2 = ~crc32_le(~0, skb2->data, skb2->len); else crc2 = 0xdeadbeef; diff --git a/drivers/net/wireless/airo.c b/drivers/net/wireless/airo.c index c70604f..8ce5e4c 100644 --- a/drivers/net/wireless/airo.c +++ b/drivers/net/wireless/airo.c @@ -5918,20 +5918,19 @@ static int airo_set_essid(struct net_device *dev, readSsidRid(local, &SSID_rid); /* Check if we asked for `any' */ - if(dwrq->flags == 0) { + if (dwrq->flags == 0) { /* Just send an empty SSID list */ memset(&SSID_rid, 0, sizeof(SSID_rid)); } else { - int index = (dwrq->flags & IW_ENCODE_INDEX) - 1; + unsigned index = (dwrq->flags & IW_ENCODE_INDEX) - 1; /* Check the size of the string */ - if(dwrq->length > IW_ESSID_MAX_SIZE) { + if (dwrq->length > IW_ESSID_MAX_SIZE) return -E2BIG ; - } + /* Check if index is valid */ - if((index < 0) || (index >= 4)) { + if (index >= ARRAY_SIZE(SSID_rid.ssids)) return -EINVAL; - } /* Set the SSID */ memset(SSID_rid.ssids[index].ssid, 0, @@ -6819,7 +6818,7 @@ static int airo_set_txpow(struct net_device *dev, return -EINVAL; } clear_bit (FLAG_RADIO_OFF, &local->flags); - for (i = 0; cap_rid.txPowerLevels[i] && (i < 8); i++) + for (i = 0; i < 8 && cap_rid.txPowerLevels[i]; i++) if (v == cap_rid.txPowerLevels[i]) { readConfigRid(local, 1); local->config.txPower = v; diff --git a/drivers/net/wireless/ath/ath5k/base.c b/drivers/net/wireless/ath/ath5k/base.c index ea04515..029c1bc 100644 --- a/drivers/net/wireless/ath/ath5k/base.c +++ b/drivers/net/wireless/ath/ath5k/base.c @@ -2970,6 +2970,9 @@ ath5k_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, if (modparam_nohwcrypt) return -EOPNOTSUPP; + if (sc->opmode == NL80211_IFTYPE_AP) + return -EOPNOTSUPP; + switch (key->alg) { case ALG_WEP: case ALG_TKIP: diff --git a/drivers/net/wireless/ath/ath9k/ani.c b/drivers/net/wireless/ath/ath9k/ani.c index 1aeafb5..aad259b 100644 --- a/drivers/net/wireless/ath/ath9k/ani.c +++ b/drivers/net/wireless/ath/ath9k/ani.c @@ -478,6 +478,18 @@ void ath9k_ani_reset(struct ath_hw *ah) "Reset ANI state opmode %u\n", ah->opmode); ah->stats.ast_ani_reset++; + if (ah->opmode == NL80211_IFTYPE_AP) { + /* + * ath9k_hw_ani_control() will only process items set on + * ah->ani_function + */ + if (IS_CHAN_2GHZ(chan)) + ah->ani_function = (ATH9K_ANI_SPUR_IMMUNITY_LEVEL | + ATH9K_ANI_FIRSTEP_LEVEL); + else + ah->ani_function = 0; + } + ath9k_hw_ani_control(ah, ATH9K_ANI_NOISE_IMMUNITY_LEVEL, 0); ath9k_hw_ani_control(ah, ATH9K_ANI_SPUR_IMMUNITY_LEVEL, 0); ath9k_hw_ani_control(ah, ATH9K_ANI_FIRSTEP_LEVEL, 0); diff --git a/drivers/net/wireless/ath/ath9k/eeprom.c b/drivers/net/wireless/ath/ath9k/eeprom.c index a2fda70..ce0e86c 100644 --- a/drivers/net/wireless/ath/ath9k/eeprom.c +++ b/drivers/net/wireless/ath/ath9k/eeprom.c @@ -460,7 +460,7 @@ static int ath9k_hw_4k_check_eeprom(struct ath_hw *ah) integer = swab32(eep->modalHeader.antCtrlCommon); eep->modalHeader.antCtrlCommon = integer; - for (i = 0; i < AR5416_MAX_CHAINS; i++) { + for (i = 0; i < AR5416_EEP4K_MAX_CHAINS; i++) { integer = swab32(eep->modalHeader.antCtrlChain[i]); eep->modalHeader.antCtrlChain[i] = integer; } @@ -914,7 +914,7 @@ static void ath9k_hw_set_4k_power_per_rate_table(struct ath_hw *ah, ctlMode, numCtlModes, isHt40CtlMode, (pCtlMode[ctlMode] & EXT_ADDITIVE)); - for (i = 0; (i < AR5416_NUM_CTLS) && + for (i = 0; (i < AR5416_EEP4K_NUM_CTLS) && pEepData->ctlIndex[i]; i++) { DPRINTF(ah->ah_sc, ATH_DBG_EEPROM, " LOOP-Ctlidx %d: cfgCtl 0x%2.2x " diff --git a/drivers/net/wireless/ath/regd.c b/drivers/net/wireless/ath/regd.c index eef370bd..bf3d25b 100644 --- a/drivers/net/wireless/ath/regd.c +++ b/drivers/net/wireless/ath/regd.c @@ -474,6 +474,21 @@ ath_regd_init_wiphy(struct ath_regulatory *reg, return 0; } +/* + * Some users have reported their EEPROM programmed with + * 0x8000 set, this is not a supported regulatory domain + * but since we have more than one user with it we need + * a solution for them. We default to 0x64, which is the + * default Atheros world regulatory domain. + */ +static void ath_regd_sanitize(struct ath_regulatory *reg) +{ + if (reg->current_rd != COUNTRY_ERD_FLAG) + return; + printk(KERN_DEBUG "ath: EEPROM regdomain sanitized\n"); + reg->current_rd = 0x64; +} + int ath_regd_init(struct ath_regulatory *reg, struct wiphy *wiphy, @@ -486,6 +501,8 @@ ath_regd_init(struct ath_regulatory *reg, if (!reg) return -EINVAL; + ath_regd_sanitize(reg); + printk(KERN_DEBUG "ath: EEPROM regdomain: 0x%0x\n", reg->current_rd); if (!ath_regd_is_eeprom_valid(reg)) { diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.h b/drivers/net/wireless/iwlwifi/iwl-3945.h index fbb3a57..2de6471 100644 --- a/drivers/net/wireless/iwlwifi/iwl-3945.h +++ b/drivers/net/wireless/iwlwifi/iwl-3945.h @@ -112,7 +112,7 @@ enum iwl3945_antenna { #define IWL_TX_FIFO_NONE 7 /* Minimum number of queues. MAX_NUM is defined in hw specific files */ -#define IWL_MIN_NUM_QUEUES 4 +#define IWL39_MIN_NUM_QUEUES 4 #define IEEE80211_DATA_LEN 2304 #define IEEE80211_4ADDR_LEN 30 diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c index 6d1519e..355f50e 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn.c @@ -2675,12 +2675,10 @@ static ssize_t show_power_level(struct device *d, struct device_attribute *attr, char *buf) { struct iwl_priv *priv = dev_get_drvdata(d); - int mode = priv->power_data.user_power_setting; int level = priv->power_data.power_mode; char *p = buf; - p += sprintf(p, "INDEX:%d\t", level); - p += sprintf(p, "USER:%d\n", mode); + p += sprintf(p, "%d\n", level); return p - buf + 1; } diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c index 6ab0716..18b135f 100644 --- a/drivers/net/wireless/iwlwifi/iwl-core.c +++ b/drivers/net/wireless/iwlwifi/iwl-core.c @@ -1332,6 +1332,9 @@ int iwl_setup_mac(struct iwl_priv *priv) hw->wiphy->custom_regulatory = true; + /* Firmware does not support this */ + hw->wiphy->disable_beacon_hints = true; + hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX; /* we create the 802.11 header and a zero-length SSID element */ hw->wiphy->max_scan_ie_len = IWL_MAX_PROBE_REQUEST - 24 - 2; diff --git a/drivers/net/wireless/iwlwifi/iwl-debugfs.c b/drivers/net/wireless/iwlwifi/iwl-debugfs.c index 11e08c0..ca00cc8 100644 --- a/drivers/net/wireless/iwlwifi/iwl-debugfs.c +++ b/drivers/net/wireless/iwlwifi/iwl-debugfs.c @@ -308,18 +308,18 @@ static ssize_t iwl_dbgfs_nvm_read(struct file *file, return -ENODATA; } + ptr = priv->eeprom; + if (!ptr) { + IWL_ERR(priv, "Invalid EEPROM/OTP memory\n"); + return -ENOMEM; + } + /* 4 characters for byte 0xYY */ buf = kzalloc(buf_size, GFP_KERNEL); if (!buf) { IWL_ERR(priv, "Can not allocate Buffer\n"); return -ENOMEM; } - - ptr = priv->eeprom; - if (!ptr) { - IWL_ERR(priv, "Invalid EEPROM/OTP memory\n"); - return -ENOMEM; - } pos += scnprintf(buf + pos, buf_size - pos, "NVM Type: %s\n", (priv->nvm_device_type == NVM_DEVICE_TYPE_OTP) ? "OTP" : "EEPROM"); diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h index e2d620f..650e20a 100644 --- a/drivers/net/wireless/iwlwifi/iwl-dev.h +++ b/drivers/net/wireless/iwlwifi/iwl-dev.h @@ -258,8 +258,10 @@ struct iwl_channel_info { #define IWL_TX_FIFO_HCCA_2 6 #define IWL_TX_FIFO_NONE 7 -/* Minimum number of queues. MAX_NUM is defined in hw specific files */ -#define IWL_MIN_NUM_QUEUES 4 +/* Minimum number of queues. MAX_NUM is defined in hw specific files. + * Set the minimum to accommodate the 4 standard TX queues, 1 command + * queue, 2 (unused) HCCA queues, and 4 HT queues (one for each AC) */ +#define IWL_MIN_NUM_QUEUES 10 /* Power management (not Tx power) structures */ diff --git a/drivers/net/wireless/iwlwifi/iwl-sta.c b/drivers/net/wireless/iwlwifi/iwl-sta.c index 2addf73..ffd5c61 100644 --- a/drivers/net/wireless/iwlwifi/iwl-sta.c +++ b/drivers/net/wireless/iwlwifi/iwl-sta.c @@ -566,6 +566,8 @@ int iwl_remove_default_wep_key(struct iwl_priv *priv, unsigned long flags; spin_lock_irqsave(&priv->sta_lock, flags); + IWL_DEBUG_WEP(priv, "Removing default WEP key: idx=%d\n", + keyconf->keyidx); if (!test_and_clear_bit(keyconf->keyidx, &priv->ucode_key_table)) IWL_ERR(priv, "index %d not used in uCode key table.\n", @@ -573,6 +575,11 @@ int iwl_remove_default_wep_key(struct iwl_priv *priv, priv->default_wep_key--; memset(&priv->wep_keys[keyconf->keyidx], 0, sizeof(priv->wep_keys[0])); + if (iwl_is_rfkill(priv)) { + IWL_DEBUG_WEP(priv, "Not sending REPLY_WEPKEY command due to RFKILL.\n"); + spin_unlock_irqrestore(&priv->sta_lock, flags); + return 0; + } ret = iwl_send_static_wepkey_cmd(priv, 1); IWL_DEBUG_WEP(priv, "Remove default WEP key: idx=%d ret=%d\n", keyconf->keyidx, ret); @@ -853,6 +860,11 @@ int iwl_remove_dynamic_key(struct iwl_priv *priv, priv->stations[sta_id].sta.sta.modify_mask = STA_MODIFY_KEY_MASK; priv->stations[sta_id].sta.mode = STA_CONTROL_MODIFY_MSK; + if (iwl_is_rfkill(priv)) { + IWL_DEBUG_WEP(priv, "Not sending REPLY_ADD_STA command because RFKILL enabled. \n"); + spin_unlock_irqrestore(&priv->sta_lock, flags); + return 0; + } ret = iwl_send_add_sta(priv, &priv->stations[sta_id].sta, CMD_ASYNC); spin_unlock_irqrestore(&priv->sta_lock, flags); return ret; diff --git a/drivers/net/wireless/iwlwifi/iwl-tx.c b/drivers/net/wireless/iwlwifi/iwl-tx.c index 85ae7a6..2e89040 100644 --- a/drivers/net/wireless/iwlwifi/iwl-tx.c +++ b/drivers/net/wireless/iwlwifi/iwl-tx.c @@ -720,8 +720,6 @@ int iwl_tx_skb(struct iwl_priv *priv, struct sk_buff *skb) goto drop_unlock; } - spin_unlock_irqrestore(&priv->lock, flags); - hdr_len = ieee80211_hdrlen(fc); /* Find (or create) index into station table for destination station */ @@ -729,7 +727,7 @@ int iwl_tx_skb(struct iwl_priv *priv, struct sk_buff *skb) if (sta_id == IWL_INVALID_STATION) { IWL_DEBUG_DROP(priv, "Dropping - INVALID STATION: %pM\n", hdr->addr1); - goto drop; + goto drop_unlock; } IWL_DEBUG_TX(priv, "station Id %d\n", sta_id); @@ -750,14 +748,17 @@ int iwl_tx_skb(struct iwl_priv *priv, struct sk_buff *skb) txq_id = priv->stations[sta_id].tid[tid].agg.txq_id; swq_id = iwl_virtual_agg_queue_num(swq_id, txq_id); } - priv->stations[sta_id].tid[tid].tfds_in_queue++; } txq = &priv->txq[txq_id]; q = &txq->q; txq->swq_id = swq_id; - spin_lock_irqsave(&priv->lock, flags); + if (unlikely(iwl_queue_space(q) < q->high_mark)) + goto drop_unlock; + + if (ieee80211_is_data_qos(fc)) + priv->stations[sta_id].tid[tid].tfds_in_queue++; /* Set up driver data for this TFD */ memset(&(txq->txb[q->write_ptr]), 0, sizeof(struct iwl_tx_info)); @@ -872,7 +873,8 @@ int iwl_tx_skb(struct iwl_priv *priv, struct sk_buff *skb) iwl_print_hex_dump(priv, IWL_DL_TX, (u8 *)tx_cmd->hdr, hdr_len); /* Set up entry for this TFD in Tx byte-count array */ - priv->cfg->ops->lib->txq_update_byte_cnt_tbl(priv, txq, + if (info->flags & IEEE80211_TX_CTL_AMPDU) + priv->cfg->ops->lib->txq_update_byte_cnt_tbl(priv, txq, le16_to_cpu(tx_cmd->len)); pci_dma_sync_single_for_device(priv->pci_dev, txcmd_phys, @@ -901,7 +903,6 @@ int iwl_tx_skb(struct iwl_priv *priv, struct sk_buff *skb) drop_unlock: spin_unlock_irqrestore(&priv->lock, flags); -drop: return -1; } EXPORT_SYMBOL(iwl_tx_skb); @@ -1170,6 +1171,8 @@ int iwl_tx_agg_start(struct iwl_priv *priv, const u8 *ra, u16 tid, u16 *ssn) IWL_ERR(priv, "Start AGG on invalid station\n"); return -ENXIO; } + if (unlikely(tid >= MAX_TID_COUNT)) + return -EINVAL; if (priv->stations[sta_id].tid[tid].agg.state != IWL_AGG_OFF) { IWL_ERR(priv, "Start AGG when state is not IWL_AGG_OFF !\n"); diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c index cb9bd4c..5238433 100644 --- a/drivers/net/wireless/iwlwifi/iwl3945-base.c +++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c @@ -3643,12 +3643,10 @@ static ssize_t show_power_level(struct device *d, struct device_attribute *attr, char *buf) { struct iwl_priv *priv = dev_get_drvdata(d); - int mode = priv->power_data.user_power_setting; int level = priv->power_data.power_mode; char *p = buf; - p += sprintf(p, "INDEX:%d\t", level); - p += sprintf(p, "USER:%d\n", mode); + p += sprintf(p, "%d\n", level); return p - buf + 1; } @@ -3970,6 +3968,9 @@ static int iwl3945_setup_mac(struct iwl_priv *priv) hw->wiphy->custom_regulatory = true; + /* Firmware does not support this */ + hw->wiphy->disable_beacon_hints = true; + hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX_3945; /* we create the 802.11 header and a zero-length SSID element */ hw->wiphy->max_scan_ie_len = IWL_MAX_PROBE_REQUEST - 24 - 2; @@ -4020,10 +4021,10 @@ static int iwl3945_pci_probe(struct pci_dev *pdev, const struct pci_device_id *e SET_IEEE80211_DEV(hw, &pdev->dev); if ((iwl3945_mod_params.num_of_queues > IWL39_MAX_NUM_QUEUES) || - (iwl3945_mod_params.num_of_queues < IWL_MIN_NUM_QUEUES)) { + (iwl3945_mod_params.num_of_queues < IWL39_MIN_NUM_QUEUES)) { IWL_ERR(priv, "invalid queues_num, should be between %d and %d\n", - IWL_MIN_NUM_QUEUES, IWL39_MAX_NUM_QUEUES); + IWL39_MIN_NUM_QUEUES, IWL39_MAX_NUM_QUEUES); err = -EINVAL; goto out_ieee80211_free_hw; } diff --git a/drivers/net/wireless/iwmc3200wifi/commands.c b/drivers/net/wireless/iwmc3200wifi/commands.c index 834a7f5..e2334d1 100644 --- a/drivers/net/wireless/iwmc3200wifi/commands.c +++ b/drivers/net/wireless/iwmc3200wifi/commands.c @@ -220,6 +220,7 @@ int iwm_store_rxiq_calib_result(struct iwm_priv *iwm) eeprom_rxiq = iwm_eeprom_access(iwm, IWM_EEPROM_CALIB_RXIQ); if (IS_ERR(eeprom_rxiq)) { IWM_ERR(iwm, "Couldn't access EEPROM RX IQ entry\n"); + kfree(rxiq); return PTR_ERR(eeprom_rxiq); } diff --git a/drivers/net/wireless/iwmc3200wifi/netdev.c b/drivers/net/wireless/iwmc3200wifi/netdev.c index aaa20c6..bf294e4 100644 --- a/drivers/net/wireless/iwmc3200wifi/netdev.c +++ b/drivers/net/wireless/iwmc3200wifi/netdev.c @@ -106,10 +106,8 @@ void *iwm_if_alloc(int sizeof_bus, struct device *dev, int ret = 0; wdev = iwm_wdev_alloc(sizeof_bus, dev); - if (!wdev) { - dev_err(dev, "no memory for wireless device instance\n"); - return ERR_PTR(-ENOMEM); - } + if (IS_ERR(wdev)) + return wdev; iwm = wdev_to_iwm(wdev); iwm->bus_ops = if_ops; @@ -151,8 +149,8 @@ void iwm_if_free(struct iwm_priv *iwm) return; free_netdev(iwm_to_ndev(iwm)); - iwm_wdev_free(iwm); iwm_priv_deinit(iwm); + iwm_wdev_free(iwm); } int iwm_if_add(struct iwm_priv *iwm) diff --git a/drivers/net/wireless/libertas/11d.c b/drivers/net/wireless/libertas/11d.c index 9a5408e..5c69681 100644 --- a/drivers/net/wireless/libertas/11d.c +++ b/drivers/net/wireless/libertas/11d.c @@ -47,7 +47,7 @@ static u8 lbs_region_2_code(u8 *region) { u8 i; - for (i = 0; region[i] && i < COUNTRY_CODE_LEN; i++) + for (i = 0; i < COUNTRY_CODE_LEN && region[i]; i++) region[i] = toupper(region[i]); for (i = 0; i < ARRAY_SIZE(region_code_mapping); i++) { diff --git a/drivers/net/wireless/libertas/assoc.c b/drivers/net/wireless/libertas/assoc.c index b9b3741..d699737 100644 --- a/drivers/net/wireless/libertas/assoc.c +++ b/drivers/net/wireless/libertas/assoc.c @@ -1,6 +1,7 @@ /* Copyright (C) 2006, Red Hat, Inc. */ #include <linux/types.h> +#include <linux/kernel.h> #include <linux/etherdevice.h> #include <linux/ieee80211.h> #include <linux/if_arp.h> @@ -43,21 +44,21 @@ static int get_common_rates(struct lbs_private *priv, u16 *rates_size) { u8 *card_rates = lbs_bg_rates; - size_t num_card_rates = sizeof(lbs_bg_rates); int ret = 0, i, j; - u8 tmp[30]; + u8 tmp[(ARRAY_SIZE(lbs_bg_rates) - 1) * (*rates_size - 1)]; size_t tmp_size = 0; /* For each rate in card_rates that exists in rate1, copy to tmp */ - for (i = 0; card_rates[i] && (i < num_card_rates); i++) { - for (j = 0; rates[j] && (j < *rates_size); j++) { + for (i = 0; i < ARRAY_SIZE(lbs_bg_rates) && card_rates[i]; i++) { + for (j = 0; j < *rates_size && rates[j]; j++) { if (rates[j] == card_rates[i]) tmp[tmp_size++] = card_rates[i]; } } lbs_deb_hex(LBS_DEB_JOIN, "AP rates ", rates, *rates_size); - lbs_deb_hex(LBS_DEB_JOIN, "card rates ", card_rates, num_card_rates); + lbs_deb_hex(LBS_DEB_JOIN, "card rates ", card_rates, + ARRAY_SIZE(lbs_bg_rates)); lbs_deb_hex(LBS_DEB_JOIN, "common rates", tmp, tmp_size); lbs_deb_join("TX data rate 0x%02x\n", priv->cur_rate); @@ -69,10 +70,7 @@ static int get_common_rates(struct lbs_private *priv, lbs_pr_alert("Previously set fixed data rate %#x isn't " "compatible with the network.\n", priv->cur_rate); ret = -1; - goto done; } - ret = 0; - done: memset(rates, 0, *rates_size); *rates_size = min_t(int, tmp_size, *rates_size); @@ -322,7 +320,7 @@ static int lbs_associate(struct lbs_private *priv, rates = (struct mrvl_ie_rates_param_set *) pos; rates->header.type = cpu_to_le16(TLV_TYPE_RATES); memcpy(&rates->rates, &bss->rates, MAX_RATES); - tmplen = MAX_RATES; + tmplen = min_t(u16, ARRAY_SIZE(rates->rates), MAX_RATES); if (get_common_rates(priv, rates->rates, &tmplen)) { ret = -1; goto done; @@ -598,7 +596,7 @@ static int lbs_adhoc_join(struct lbs_private *priv, /* Copy Data rates from the rates recorded in scan response */ memset(cmd.bss.rates, 0, sizeof(cmd.bss.rates)); - ratesize = min_t(u16, sizeof(cmd.bss.rates), MAX_RATES); + ratesize = min_t(u16, ARRAY_SIZE(cmd.bss.rates), MAX_RATES); memcpy(cmd.bss.rates, bss->rates, ratesize); if (get_common_rates(priv, cmd.bss.rates, &ratesize)) { lbs_deb_join("ADHOC_JOIN: get_common_rates returned error.\n"); diff --git a/drivers/net/wireless/libertas/cmd.c b/drivers/net/wireless/libertas/cmd.c index 01db705..6850981 100644 --- a/drivers/net/wireless/libertas/cmd.c +++ b/drivers/net/wireless/libertas/cmd.c @@ -135,8 +135,14 @@ int lbs_update_hw_spec(struct lbs_private *priv) /* Clamp region code to 8-bit since FW spec indicates that it should * only ever be 8-bit, even though the field size is 16-bit. Some firmware * returns non-zero high 8 bits here. + * + * Firmware version 4.0.102 used in CF8381 has region code shifted. We + * need to check for this problem and handle it properly. */ - priv->regioncode = le16_to_cpu(cmd.regioncode) & 0xFF; + if (MRVL_FW_MAJOR_REV(priv->fwrelease) == MRVL_FW_V4) + priv->regioncode = (le16_to_cpu(cmd.regioncode) >> 8) & 0xFF; + else + priv->regioncode = le16_to_cpu(cmd.regioncode) & 0xFF; for (i = 0; i < MRVDRV_MAX_REGION_CODE; i++) { /* use the region code to search for the index */ diff --git a/drivers/net/wireless/libertas/defs.h b/drivers/net/wireless/libertas/defs.h index 48da157..72f3479 100644 --- a/drivers/net/wireless/libertas/defs.h +++ b/drivers/net/wireless/libertas/defs.h @@ -234,6 +234,8 @@ static inline void lbs_deb_hex(unsigned int grp, const char *prompt, u8 *buf, in /** Mesh enable bit in FW capability */ #define MESH_CAPINFO_ENABLE_MASK (1<<16) +/** FW definition from Marvell v4 */ +#define MRVL_FW_V4 (0x04) /** FW definition from Marvell v5 */ #define MRVL_FW_V5 (0x05) /** FW definition from Marvell v10 */ diff --git a/drivers/net/wireless/libertas/scan.c b/drivers/net/wireless/libertas/scan.c index 601b542..6c95af3 100644 --- a/drivers/net/wireless/libertas/scan.c +++ b/drivers/net/wireless/libertas/scan.c @@ -5,6 +5,7 @@ * for sending scan commands to the firmware. */ #include <linux/types.h> +#include <linux/kernel.h> #include <linux/etherdevice.h> #include <linux/if_arp.h> #include <asm/unaligned.h> @@ -876,7 +877,7 @@ static inline char *lbs_translate_scan(struct lbs_private *priv, iwe.u.bitrate.disabled = 0; iwe.u.bitrate.value = 0; - for (j = 0; bss->rates[j] && (j < sizeof(bss->rates)); j++) { + for (j = 0; j < ARRAY_SIZE(bss->rates) && bss->rates[j]; j++) { /* Bit rate given in 500 kb/s units */ iwe.u.bitrate.value = bss->rates[j] * 500000; current_val = iwe_stream_add_value(info, start, current_val, diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c index a111bda..7916ca3 100644 --- a/drivers/net/wireless/mac80211_hwsim.c +++ b/drivers/net/wireless/mac80211_hwsim.c @@ -709,7 +709,7 @@ static const struct ieee80211_ops mac80211_hwsim_ops = static void mac80211_hwsim_free(void) { struct list_head tmplist, *i, *tmp; - struct mac80211_hwsim_data *data; + struct mac80211_hwsim_data *data, *tmpdata; INIT_LIST_HEAD(&tmplist); @@ -718,7 +718,7 @@ static void mac80211_hwsim_free(void) list_move(i, &tmplist); spin_unlock_bh(&hwsim_radio_lock); - list_for_each_entry(data, &tmplist, list) { + list_for_each_entry_safe(data, tmpdata, &tmplist, list) { debugfs_remove(data->debugfs_group); debugfs_remove(data->debugfs_ps); debugfs_remove(data->debugfs); @@ -1167,8 +1167,8 @@ static void __exit exit_mac80211_hwsim(void) { printk(KERN_DEBUG "mac80211_hwsim: unregister radios\n"); - unregister_netdev(hwsim_mon); mac80211_hwsim_free(); + unregister_netdev(hwsim_mon); } diff --git a/drivers/net/wireless/p54/p54spi.c b/drivers/net/wireless/p54/p54spi.c index 83116ba..72c7dbd 100644 --- a/drivers/net/wireless/p54/p54spi.c +++ b/drivers/net/wireless/p54/p54spi.c @@ -635,7 +635,7 @@ static int __devinit p54spi_probe(struct spi_device *spi) hw = p54_init_common(sizeof(*priv)); if (!hw) { - dev_err(&priv->spi->dev, "could not alloc ieee80211_hw"); + dev_err(&spi->dev, "could not alloc ieee80211_hw"); return -ENOMEM; } diff --git a/drivers/net/wireless/rt2x00/rt2500usb.c b/drivers/net/wireless/rt2x00/rt2500usb.c index 66daf68..ce75426 100644 --- a/drivers/net/wireless/rt2x00/rt2500usb.c +++ b/drivers/net/wireless/rt2x00/rt2500usb.c @@ -1550,7 +1550,9 @@ static int rt2500usb_init_eeprom(struct rt2x00_dev *rt2x00dev) rt2500usb_register_read(rt2x00dev, MAC_CSR0, ®); rt2x00_set_chip(rt2x00dev, RT2570, value, reg); - if (!rt2x00_check_rev(&rt2x00dev->chip, 0x000ffff0, 0)) { + if (!rt2x00_check_rev(&rt2x00dev->chip, 0x000ffff0, 0) || + rt2x00_check_rev(&rt2x00dev->chip, 0x0000000f, 0)) { + ERROR(rt2x00dev, "Invalid RT chipset detected.\n"); return -ENODEV; } diff --git a/drivers/net/wireless/rtl818x/rtl8187_leds.c b/drivers/net/wireless/rtl818x/rtl8187_leds.c index b442535..cf9f899 100644 --- a/drivers/net/wireless/rtl818x/rtl8187_leds.c +++ b/drivers/net/wireless/rtl818x/rtl8187_leds.c @@ -208,11 +208,12 @@ void rtl8187_leds_exit(struct ieee80211_hw *dev) { struct rtl8187_priv *priv = dev->priv; - rtl8187_unregister_led(&priv->led_tx); /* turn the LED off before exiting */ queue_delayed_work(dev->workqueue, &priv->led_off, 0); cancel_delayed_work_sync(&priv->led_off); + cancel_delayed_work_sync(&priv->led_on); rtl8187_unregister_led(&priv->led_rx); + rtl8187_unregister_led(&priv->led_tx); } #endif /* def CONFIG_RTL8187_LED */ diff --git a/drivers/net/wireless/zd1211rw/zd_mac.c b/drivers/net/wireless/zd1211rw/zd_mac.c index 40b07b9..3bd3c77 100644 --- a/drivers/net/wireless/zd1211rw/zd_mac.c +++ b/drivers/net/wireless/zd1211rw/zd_mac.c @@ -698,7 +698,7 @@ int zd_mac_rx(struct ieee80211_hw *hw, const u8 *buffer, unsigned int length) && !mac->pass_ctrl) return 0; - fc = *(__le16 *)buffer; + fc = get_unaligned((__le16*)buffer); need_padding = ieee80211_is_data_qos(fc) ^ ieee80211_has_a4(fc); skb = dev_alloc_skb(length + (need_padding ? 2 : 0)); |
