#define DRV_MODULE_NAME "bnx2"
#define PFX DRV_MODULE_NAME ": "
-#define DRV_MODULE_VERSION "1.8.1"
-#define DRV_MODULE_RELDATE "Oct 7, 2008"
+#define DRV_MODULE_VERSION "1.9.0"
+#define DRV_MODULE_RELDATE "Dec 16, 2008"
#define RUN_AT(x) (jiffies + (x))
BCM5709,
BCM5709S,
BCM5716,
+ BCM5716S,
} board_t;
/* indexed by board_t, above */
{ "Broadcom NetXtreme II BCM5709 1000Base-T" },
{ "Broadcom NetXtreme II BCM5709 1000Base-SX" },
{ "Broadcom NetXtreme II BCM5716 1000Base-T" },
+ { "Broadcom NetXtreme II BCM5716 1000Base-SX" },
};
static DEFINE_PCI_DEVICE_TABLE(bnx2_pci_tbl) = {
PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5709S },
{ PCI_VENDOR_ID_BROADCOM, 0x163b,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5716 },
+ { PCI_VENDOR_ID_BROADCOM, 0x163c,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5716S },
{ 0, }
};
for (j = 0; j < bp->rx_max_pg_ring; j++) {
if (rxr->rx_pg_desc_ring[j])
pci_free_consistent(bp->pdev, RXBD_RING_SIZE,
- rxr->rx_pg_desc_ring[i],
- rxr->rx_pg_desc_mapping[i]);
- rxr->rx_pg_desc_ring[i] = NULL;
+ rxr->rx_pg_desc_ring[j],
+ rxr->rx_pg_desc_mapping[j]);
+ rxr->rx_pg_desc_ring[j] = NULL;
}
if (rxr->rx_pg_ring)
vfree(rxr->rx_pg_ring);
* exchanging base pages plus 3 next pages and
* normally completes in about 120 msec.
*/
- bp->current_interval = SERDES_AN_TIMEOUT;
+ bp->current_interval = BNX2_SERDES_AN_TIMEOUT;
bp->serdes_an_pending = 1;
mod_timer(&bp->timer, jiffies + bp->current_interval);
} else {
return 0;
/* wait for an acknowledgement. */
- for (i = 0; i < (FW_ACK_TIME_OUT_MS / 10); i++) {
+ for (i = 0; i < (BNX2_FW_ACK_TIME_OUT_MS / 10); i++) {
msleep(10);
val = bnx2_shmem_rd(bp, BNX2_FW_MB);
#endif
netif_receive_skb(skb);
- bp->dev->last_rx = jiffies;
rx_pkt++;
next_rx:
{
struct bnx2_napi *bnapi = dev_instance;
struct bnx2 *bp = bnapi->bp;
- struct net_device *dev = bp->dev;
prefetch(bnapi->status_blk.msi);
REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
if (unlikely(atomic_read(&bp->intr_sem) != 0))
return IRQ_HANDLED;
- netif_rx_schedule(dev, &bnapi->napi);
+ netif_rx_schedule(&bnapi->napi);
return IRQ_HANDLED;
}
{
struct bnx2_napi *bnapi = dev_instance;
struct bnx2 *bp = bnapi->bp;
- struct net_device *dev = bp->dev;
prefetch(bnapi->status_blk.msi);
if (unlikely(atomic_read(&bp->intr_sem) != 0))
return IRQ_HANDLED;
- netif_rx_schedule(dev, &bnapi->napi);
+ netif_rx_schedule(&bnapi->napi);
return IRQ_HANDLED;
}
{
struct bnx2_napi *bnapi = dev_instance;
struct bnx2 *bp = bnapi->bp;
- struct net_device *dev = bp->dev;
struct status_block *sblk = bnapi->status_blk.msi;
/* When using INTx, it is possible for the interrupt to arrive
if (unlikely(atomic_read(&bp->intr_sem) != 0))
return IRQ_HANDLED;
- if (netif_rx_schedule_prep(dev, &bnapi->napi)) {
+ if (netif_rx_schedule_prep(&bnapi->napi)) {
bnapi->last_status_idx = sblk->status_idx;
- __netif_rx_schedule(dev, &bnapi->napi);
+ __netif_rx_schedule(&bnapi->napi);
}
return IRQ_HANDLED;
rmb();
if (likely(!bnx2_has_fast_work(bnapi))) {
- netif_rx_complete(bp->dev, napi);
+ netif_rx_complete(napi);
REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
bnapi->last_status_idx);
rmb();
if (likely(!bnx2_has_work(bnapi))) {
- netif_rx_complete(bp->dev, napi);
+ netif_rx_complete(napi);
if (likely(bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)) {
REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
static int
bnx2_init_chip(struct bnx2 *bp)
{
- u32 val;
+ u32 val, mtu;
int rc, i;
/* Make sure the interrupt is not active. */
REG_WR(bp, BNX2_EMAC_BACKOFF_SEED, val);
/* Program the MTU. Also include 4 bytes for CRC32. */
- val = bp->dev->mtu + ETH_HLEN + 4;
+ mtu = bp->dev->mtu;
+ val = mtu + ETH_HLEN + ETH_FCS_LEN;
if (val > (MAX_ETHERNET_PACKET_SIZE + 4))
val |= BNX2_EMAC_RX_MTU_SIZE_JUMBO_ENA;
REG_WR(bp, BNX2_EMAC_RX_MTU_SIZE, val);
+ if (mtu < 1500)
+ mtu = 1500;
+
+ bnx2_reg_wr_ind(bp, BNX2_RBUF_CONFIG, BNX2_RBUF_CONFIG_VAL(mtu));
+ bnx2_reg_wr_ind(bp, BNX2_RBUF_CONFIG2, BNX2_RBUF_CONFIG2_VAL(mtu));
+ bnx2_reg_wr_ind(bp, BNX2_RBUF_CONFIG3, BNX2_RBUF_CONFIG3_VAL(mtu));
+
for (i = 0; i < BNX2_MAX_MSIX_VEC; i++)
bp->bnx2_napi[i].last_status_idx = 0;
bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
if (bmcr & BMCR_ANENABLE) {
bnx2_enable_forced_2g5(bp);
- bp->current_interval = SERDES_FORCED_TIMEOUT;
+ bp->current_interval = BNX2_SERDES_FORCED_TIMEOUT;
} else {
bnx2_disable_forced_2g5(bp);
bp->serdes_an_pending = 2;
{
int i, rc;
struct msix_entry msix_ent[BNX2_MAX_MSIX_VEC];
+ struct net_device *dev = bp->dev;
+ const int len = sizeof(bp->irq_tbl[0].name);
bnx2_setup_msix_tbl(bp);
REG_WR(bp, BNX2_PCI_MSIX_CONTROL, BNX2_MAX_MSIX_HW_VEC - 1);
msix_ent[i].entry = i;
msix_ent[i].vector = 0;
- strcpy(bp->irq_tbl[i].name, bp->dev->name);
+ snprintf(bp->irq_tbl[i].name, len, "%s-%d", dev->name, i);
bp->irq_tbl[i].handler = bnx2_msi_1shot;
}
{
struct bnx2 *bp = netdev_priv(dev);
struct statistics_block *stats_blk = bp->stats_blk;
- struct net_device_stats *net_stats = &bp->net_stats;
+ struct net_device_stats *net_stats = &dev->stats;
if (bp->stats_blk == NULL) {
return net_stats;
spin_lock_bh(&bp->phy_lock);
- bp->current_interval = SERDES_AN_TIMEOUT;
+ bp->current_interval = BNX2_SERDES_AN_TIMEOUT;
bp->serdes_an_pending = 1;
mod_timer(&bp->timer, jiffies + bp->current_interval);
}
if ((CHIP_ID(bp) == CHIP_ID_5708_A0) ||
(CHIP_ID(bp) == CHIP_ID_5708_B0) ||
- (CHIP_ID(bp) == CHIP_ID_5708_B1)) {
+ (CHIP_ID(bp) == CHIP_ID_5708_B1) ||
+ !(REG_RD(bp, BNX2_PCI_CONFIG_3) & BNX2_PCI_CONFIG_3_VAUX_PRESET)) {
bp->flags |= BNX2_FLAG_NO_WOL;
bp->wol = 0;
}
}
}
+static const struct net_device_ops bnx2_netdev_ops = {
+ .ndo_open = bnx2_open,
+ .ndo_start_xmit = bnx2_start_xmit,
+ .ndo_stop = bnx2_close,
+ .ndo_get_stats = bnx2_get_stats,
+ .ndo_set_rx_mode = bnx2_set_rx_mode,
+ .ndo_do_ioctl = bnx2_ioctl,
+ .ndo_validate_addr = eth_validate_addr,
+ .ndo_set_mac_address = bnx2_change_mac_addr,
+ .ndo_change_mtu = bnx2_change_mtu,
+ .ndo_tx_timeout = bnx2_tx_timeout,
+#ifdef BCM_VLAN
+ .ndo_vlan_rx_register = bnx2_vlan_rx_register,
+#endif
+#if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
+ .ndo_poll_controller = poll_bnx2,
+#endif
+};
+
static int __devinit
bnx2_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
{
struct bnx2 *bp;
int rc;
char str[40];
- DECLARE_MAC_BUF(mac);
if (version_printed++ == 0)
printk(KERN_INFO "%s", version);
return rc;
}
- dev->open = bnx2_open;
- dev->hard_start_xmit = bnx2_start_xmit;
- dev->stop = bnx2_close;
- dev->get_stats = bnx2_get_stats;
- dev->set_rx_mode = bnx2_set_rx_mode;
- dev->do_ioctl = bnx2_ioctl;
- dev->set_mac_address = bnx2_change_mac_addr;
- dev->change_mtu = bnx2_change_mtu;
- dev->tx_timeout = bnx2_tx_timeout;
+ dev->netdev_ops = &bnx2_netdev_ops;
dev->watchdog_timeo = TX_TIMEOUT;
-#ifdef BCM_VLAN
- dev->vlan_rx_register = bnx2_vlan_rx_register;
-#endif
dev->ethtool_ops = &bnx2_ethtool_ops;
bp = netdev_priv(dev);
bnx2_init_napi(bp);
-#if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
- dev->poll_controller = poll_bnx2;
-#endif
-
pci_set_drvdata(pdev, dev);
memcpy(dev->dev_addr, bp->mac_addr, 6);
}
printk(KERN_INFO "%s: %s (%c%d) %s found at mem %lx, "
- "IRQ %d, node addr %s\n",
+ "IRQ %d, node addr %pM\n",
dev->name,
board_info[ent->driver_data].name,
((CHIP_ID(bp) & 0xf000) >> 12) + 'A',
((CHIP_ID(bp) & 0x0ff0) >> 4),
bnx2_bus_string(bp, str),
dev->base_addr,
- bp->pdev->irq, print_mac(mac, dev->dev_addr));
+ bp->pdev->irq, dev->dev_addr);
return 0;
}
*/
#ifndef __JME_H_INCLUDED__
- #define __JME_H_INCLUDEE__
+ #define __JME_H_INCLUDED__
#define DRV_NAME "jme"
#define DRV_VERSION "1.0.3"
#define JME_NAPI_WEIGHT(w) int w
#define JME_NAPI_WEIGHT_VAL(w) w
#define JME_NAPI_WEIGHT_SET(w, r)
-#define JME_RX_COMPLETE(dev, napis) netif_rx_complete(dev, napis)
+#define JME_RX_COMPLETE(dev, napis) netif_rx_complete(napis)
#define JME_NAPI_ENABLE(priv) napi_enable(&priv->napi);
#define JME_NAPI_DISABLE(priv) \
if (!napi_disable_pending(&priv->napi)) \
napi_disable(&priv->napi);
#define JME_RX_SCHEDULE_PREP(priv) \
- netif_rx_schedule_prep(priv->dev, &priv->napi)
+ netif_rx_schedule_prep(&priv->napi)
#define JME_RX_SCHEDULE(priv) \
- __netif_rx_schedule(priv->dev, &priv->napi);
+ __netif_rx_schedule(&priv->napi);
/*
* Jmac Adapter Private data
* Global Host Control
*/
enum jme_ghc_bit_mask {
- GHC_SWRST = 0x40000000,
- GHC_DPX = 0x00000040,
- GHC_SPEED = 0x00000030,
- GHC_LINK_POLL = 0x00000001,
+ GHC_SWRST = 0x40000000,
+ GHC_DPX = 0x00000040,
+ GHC_SPEED = 0x00000030,
+ GHC_LINK_POLL = 0x00000001,
};
enum jme_ghc_speed_val {
- GHC_SPEED_10M = 0x00000010,
- GHC_SPEED_100M = 0x00000020,
- GHC_SPEED_1000M = 0x00000030,
+ GHC_SPEED_10M = 0x00000010,
+ GHC_SPEED_100M = 0x00000020,
+ GHC_SPEED_1000M = 0x00000030,
+};
+
+enum jme_ghc_to_clk {
+ GHC_TO_CLK_OFF = 0x00000000,
+ GHC_TO_CLK_GPHY = 0x00400000,
+ GHC_TO_CLK_PCIE = 0x00800000,
+ GHC_TO_CLK_INVALID = 0x00C00000,
+};
+
+enum jme_ghc_txmac_clk {
+ GHC_TXMAC_CLK_OFF = 0x00000000,
+ GHC_TXMAC_CLK_GPHY = 0x00100000,
+ GHC_TXMAC_CLK_PCIE = 0x00200000,
+ GHC_TXMAC_CLK_INVALID = 0x00300000,
};
/*
bus->dev.parent = bus->parent;
bus->dev.class = &mdio_bus_class;
bus->dev.groups = NULL;
- memcpy(bus->dev.bus_id, bus->id, MII_BUS_ID_SIZE);
+ dev_set_name(&bus->dev, bus->id);
err = device_register(&bus->dev);
if (err) {
return -EINVAL;
}
- bus->state = MDIOBUS_REGISTERED;
-
mutex_init(&bus->mdio_lock);
if (bus->reset)
}
}
+ if (!err)
+ bus->state = MDIOBUS_REGISTERED;
+
pr_info("%s: probed\n", bus->name);
return err;
phydev->dev.parent = bus->parent;
phydev->dev.bus = &mdio_bus_type;
- snprintf(phydev->dev.bus_id, BUS_ID_SIZE, PHY_ID_FMT, bus->id, addr);
+ dev_set_name(&phydev->dev, PHY_ID_FMT, bus->id, addr);
phydev->bus = bus;
{
int ret = 0;
struct device_driver *drv = dev->driver;
+ struct phy_driver *phydrv = to_phy_driver(drv);
+ struct phy_device *phydev = to_phy_device(dev);
- if (drv && drv->suspend)
- ret = drv->suspend(dev, state);
+ if ((!device_may_wakeup(phydev->dev.parent)) &&
+ (phydrv && phydrv->suspend))
+ ret = phydrv->suspend(phydev);
return ret;
}
{
int ret = 0;
struct device_driver *drv = dev->driver;
+ struct phy_driver *phydrv = to_phy_driver(drv);
+ struct phy_device *phydev = to_phy_device(dev);
- if (drv && drv->resume)
- ret = drv->resume(dev);
+ if ((!device_may_wakeup(phydev->dev.parent)) &&
+ (phydrv && phydrv->resume))
+ ret = phydrv->resume(phydev);
return ret;
}
#include <linux/kmod.h>
#include <linux/init.h>
#include <linux/list.h>
+#include <linux/idr.h>
#include <linux/netdevice.h>
#include <linux/poll.h>
#include <linux/ppp_defs.h>
unsigned long last_xmit; /* jiffies when last pkt sent 9c */
unsigned long last_recv; /* jiffies when last pkt rcvd a0 */
struct net_device *dev; /* network interface device a4 */
+ int closing; /* is device closing down? a8 */
#ifdef CONFIG_PPP_MULTILINK
int nxchan; /* next channel to send something on */
u32 nxseq; /* next sequence number to send */
* channel.downl.
*/
-/*
- * A cardmap represents a mapping from unsigned integers to pointers,
- * and provides a fast "find lowest unused number" operation.
- * It uses a broad (32-way) tree with a bitmap at each level.
- * It is designed to be space-efficient for small numbers of entries
- * and time-efficient for large numbers of entries.
- */
-#define CARDMAP_ORDER 5
-#define CARDMAP_WIDTH (1U << CARDMAP_ORDER)
-#define CARDMAP_MASK (CARDMAP_WIDTH - 1)
-
-struct cardmap {
- int shift;
- unsigned long inuse;
- struct cardmap *parent;
- void *ptr[CARDMAP_WIDTH];
-};
-static void *cardmap_get(struct cardmap *map, unsigned int nr);
-static int cardmap_set(struct cardmap **map, unsigned int nr, void *ptr);
-static unsigned int cardmap_find_first_free(struct cardmap *map);
-static void cardmap_destroy(struct cardmap **map);
-
/*
* all_ppp_mutex protects the all_ppp_units mapping.
* It also ensures that finding a ppp unit in the all_ppp_units map
* and updating its file.refcnt field is atomic.
*/
static DEFINE_MUTEX(all_ppp_mutex);
-static struct cardmap *all_ppp_units;
static atomic_t ppp_unit_count = ATOMIC_INIT(0);
+static DEFINE_IDR(ppp_units_idr);
/*
* all_channels_lock protects all_channels and last_channel_index,
static int ppp_connect_channel(struct channel *pch, int unit);
static int ppp_disconnect_channel(struct channel *pch);
static void ppp_destroy_channel(struct channel *pch);
+static int unit_get(struct idr *p, void *ptr);
+static void unit_put(struct idr *p, int n);
+static void *unit_find(struct idr *p, int n);
static struct class *ppp_class;
static int
ppp_start_xmit(struct sk_buff *skb, struct net_device *dev)
{
- struct ppp *ppp = (struct ppp *) dev->priv;
+ struct ppp *ppp = netdev_priv(dev);
int npi, proto;
unsigned char *pp;
static int
ppp_net_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
{
- struct ppp *ppp = dev->priv;
+ struct ppp *ppp = netdev_priv(dev);
int err = -EFAULT;
void __user *addr = (void __user *) ifr->ifr_ifru.ifru_data;
struct ppp_stats stats;
return err;
}
+static const struct net_device_ops ppp_netdev_ops = {
+ .ndo_start_xmit = ppp_start_xmit,
+ .ndo_do_ioctl = ppp_net_ioctl,
+};
+
static void ppp_setup(struct net_device *dev)
{
+ dev->netdev_ops = &ppp_netdev_ops;
dev->hard_header_len = PPP_HDRLEN;
dev->mtu = PPP_MTU;
dev->addr_len = 0;
struct sk_buff *skb;
ppp_xmit_lock(ppp);
- if (ppp->dev) {
+ if (!ppp->closing) {
ppp_push(ppp);
while (!ppp->xmit_pending
&& (skb = skb_dequeue(&ppp->file.xq)))
ppp_do_recv(struct ppp *ppp, struct sk_buff *skb, struct channel *pch)
{
ppp_recv_lock(ppp);
- /* ppp->dev == 0 means interface is closing down */
- if (ppp->dev)
+ if (!ppp->closing)
ppp_receive_frame(ppp, skb, pch);
else
kfree_skb(skb);
skb->protocol = htons(npindex_to_ethertype[npi]);
skb_reset_mac_header(skb);
netif_rx(skb);
- ppp->dev->last_rx = jiffies;
}
}
return;
int ret = -ENOMEM;
int i;
- ppp = kzalloc(sizeof(struct ppp), GFP_KERNEL);
- if (!ppp)
- goto out;
- dev = alloc_netdev(0, "", ppp_setup);
+ dev = alloc_netdev(sizeof(struct ppp), "", ppp_setup);
if (!dev)
goto out1;
+ ppp = netdev_priv(dev);
+ ppp->dev = dev;
ppp->mru = PPP_MRU;
init_ppp_file(&ppp->file, INTERFACE);
ppp->file.hdrlen = PPP_HDRLEN - 2; /* don't count proto bytes */
ppp->minseq = -1;
skb_queue_head_init(&ppp->mrq);
#endif /* CONFIG_PPP_MULTILINK */
- ppp->dev = dev;
- dev->priv = ppp;
-
- dev->hard_start_xmit = ppp_start_xmit;
- dev->do_ioctl = ppp_net_ioctl;
ret = -EEXIST;
mutex_lock(&all_ppp_mutex);
- if (unit < 0)
- unit = cardmap_find_first_free(all_ppp_units);
- else if (cardmap_get(all_ppp_units, unit) != NULL)
- goto out2; /* unit already exists */
+
+ if (unit < 0) {
+ unit = unit_get(&ppp_units_idr, ppp);
+ if (unit < 0) {
+ *retp = unit;
+ goto out2;
+ }
+ } else {
+ if (unit_find(&ppp_units_idr, unit))
+ goto out2; /* unit already exists */
+ else {
+ /* darn, someone is cheating us? */
+ *retp = -EINVAL;
+ goto out2;
+ }
+ }
/* Initialize the new ppp unit */
ppp->file.index = unit;
ret = register_netdev(dev);
if (ret != 0) {
+ unit_put(&ppp_units_idr, unit);
printk(KERN_ERR "PPP: couldn't register device %s (%d)\n",
dev->name, ret);
goto out2;
}
atomic_inc(&ppp_unit_count);
- ret = cardmap_set(&all_ppp_units, unit, ppp);
- if (ret != 0)
- goto out3;
-
mutex_unlock(&all_ppp_mutex);
+
*retp = 0;
return ppp;
-out3:
- atomic_dec(&ppp_unit_count);
- unregister_netdev(dev);
out2:
mutex_unlock(&all_ppp_mutex);
free_netdev(dev);
out1:
- kfree(ppp);
-out:
*retp = ret;
return NULL;
}
*/
static void ppp_shutdown_interface(struct ppp *ppp)
{
- struct net_device *dev;
-
mutex_lock(&all_ppp_mutex);
- ppp_lock(ppp);
- dev = ppp->dev;
- ppp->dev = NULL;
- ppp_unlock(ppp);
/* This will call dev_close() for us. */
- if (dev) {
- unregister_netdev(dev);
- free_netdev(dev);
- }
+ ppp_lock(ppp);
+ if (!ppp->closing) {
+ ppp->closing = 1;
+ ppp_unlock(ppp);
+ unregister_netdev(ppp->dev);
+ } else
+ ppp_unlock(ppp);
+
- cardmap_set(&all_ppp_units, ppp->file.index, NULL);
+ unit_put(&ppp_units_idr, ppp->file.index);
ppp->file.dead = 1;
ppp->owner = NULL;
wake_up_interruptible(&ppp->file.rwait);
if (ppp->xmit_pending)
kfree_skb(ppp->xmit_pending);
- kfree(ppp);
+ free_netdev(ppp->dev);
}
/*
static struct ppp *
ppp_find_unit(int unit)
{
- return cardmap_get(all_ppp_units, unit);
+ return unit_find(&ppp_units_idr, unit);
}
/*
if (pch->file.hdrlen > ppp->file.hdrlen)
ppp->file.hdrlen = pch->file.hdrlen;
hdrlen = pch->file.hdrlen + 2; /* for protocol bytes */
- if (ppp->dev && hdrlen > ppp->dev->hard_header_len)
+ if (hdrlen > ppp->dev->hard_header_len)
ppp->dev->hard_header_len = hdrlen;
list_add_tail(&pch->clist, &ppp->channels);
++ppp->n_channels;
/* should never happen */
if (atomic_read(&ppp_unit_count) || atomic_read(&channel_count))
printk(KERN_ERR "PPP: removing module but units remain!\n");
- cardmap_destroy(&all_ppp_units);
unregister_chrdev(PPP_MAJOR, "ppp");
device_destroy(ppp_class, MKDEV(PPP_MAJOR, 0));
class_destroy(ppp_class);
+ idr_destroy(&ppp_units_idr);
}
/*
- * Cardmap implementation.
+ * Units handling. Caller must protect concurrent access
+ * by holding all_ppp_mutex
*/
-static void *cardmap_get(struct cardmap *map, unsigned int nr)
+
+/* get new free unit number and associate pointer with it */
+static int unit_get(struct idr *p, void *ptr)
{
- struct cardmap *p;
- int i;
+ int unit, err;
- for (p = map; p != NULL; ) {
- if ((i = nr >> p->shift) >= CARDMAP_WIDTH)
- return NULL;
- if (p->shift == 0)
- return p->ptr[i];
- nr &= ~(CARDMAP_MASK << p->shift);
- p = p->ptr[i];
+again:
+ if (idr_pre_get(p, GFP_KERNEL) == 0) {
+ printk(KERN_ERR "Out of memory expanding drawable idr\n");
+ return -ENOMEM;
}
- return NULL;
-}
-static int cardmap_set(struct cardmap **pmap, unsigned int nr, void *ptr)
-{
- struct cardmap *p;
- int i;
+ err = idr_get_new_above(p, ptr, 0, &unit);
+ if (err == -EAGAIN)
+ goto again;
- p = *pmap;
- if (p == NULL || (nr >> p->shift) >= CARDMAP_WIDTH) {
- do {
- /* need a new top level */
- struct cardmap *np = kzalloc(sizeof(*np), GFP_KERNEL);
- if (!np)
- goto enomem;
- np->ptr[0] = p;
- if (p != NULL) {
- np->shift = p->shift + CARDMAP_ORDER;
- p->parent = np;
- } else
- np->shift = 0;
- p = np;
- } while ((nr >> p->shift) >= CARDMAP_WIDTH);
- *pmap = p;
- }
- while (p->shift > 0) {
- i = (nr >> p->shift) & CARDMAP_MASK;
- if (p->ptr[i] == NULL) {
- struct cardmap *np = kzalloc(sizeof(*np), GFP_KERNEL);
- if (!np)
- goto enomem;
- np->shift = p->shift - CARDMAP_ORDER;
- np->parent = p;
- p->ptr[i] = np;
- }
- if (ptr == NULL)
- clear_bit(i, &p->inuse);
- p = p->ptr[i];
- }
- i = nr & CARDMAP_MASK;
- p->ptr[i] = ptr;
- if (ptr != NULL)
- set_bit(i, &p->inuse);
- else
- clear_bit(i, &p->inuse);
- return 0;
- enomem:
- return -ENOMEM;
+ return unit;
}
-static unsigned int cardmap_find_first_free(struct cardmap *map)
+/* put unit number back to a pool */
+static void unit_put(struct idr *p, int n)
{
- struct cardmap *p;
- unsigned int nr = 0;
- int i;
-
- if ((p = map) == NULL)
- return 0;
- for (;;) {
- i = find_first_zero_bit(&p->inuse, CARDMAP_WIDTH);
- if (i >= CARDMAP_WIDTH) {
- if (p->parent == NULL)
- return CARDMAP_WIDTH << p->shift;
- p = p->parent;
- i = (nr >> p->shift) & CARDMAP_MASK;
- set_bit(i, &p->inuse);
- continue;
- }
- nr = (nr & (~CARDMAP_MASK << p->shift)) | (i << p->shift);
- if (p->shift == 0 || p->ptr[i] == NULL)
- return nr;
- p = p->ptr[i];
- }
+ idr_remove(p, n);
}
-static void cardmap_destroy(struct cardmap **pmap)
+/* get pointer associated with the number */
+static void *unit_find(struct idr *p, int n)
{
- struct cardmap *p, *np;
- int i;
-
- for (p = *pmap; p != NULL; p = np) {
- if (p->shift != 0) {
- for (i = 0; i < CARDMAP_WIDTH; ++i)
- if (p->ptr[i] != NULL)
- break;
- if (i < CARDMAP_WIDTH) {
- np = p->ptr[i];
- p->ptr[i] = NULL;
- continue;
- }
- }
- np = p->parent;
- kfree(p);
- }
- *pmap = NULL;
+ return idr_find(p, n);
}
/* Module/initialization stuff */
void __iomem *base;
int drv_flags, io_size;
int boguscnt;
- DECLARE_MAC_BUF(mac);
/* when built into the kernel, we only print version if device is found */
#ifndef MODULE
if (register_netdev(dev))
goto err_out_cleardev;
- printk(KERN_INFO "%s: %s at %p, %s, IRQ %d.\n",
+ printk(KERN_INFO "%s: %s at %p, %pM, IRQ %d.\n",
dev->name, netdrv_tbl[chip_idx].name, base,
- print_mac(mac, dev->dev_addr), irq);
+ dev->dev_addr, irq);
if (drv_flags & CanHaveMII) {
int phy, phy_idx = 0;
if (intr_status & (IntrRxDone | IntrRxEmpty)) {
u32 enable;
- if (likely(netif_rx_schedule_prep(dev, &np->napi))) {
- __netif_rx_schedule(dev, &np->napi);
+ if (likely(netif_rx_schedule_prep(&np->napi))) {
+ __netif_rx_schedule(&np->napi);
enable = readl(ioaddr + IntrEnable);
enable &= ~(IntrRxDone | IntrRxEmpty);
writel(enable, ioaddr + IntrEnable);
#ifndef final_version /* Remove after testing. */
/* You will want this info for the initial debug. */
if (debug > 5) {
- printk(KERN_DEBUG " Rx data " MAC_FMT " " MAC_FMT
- " %2.2x%2.2x.\n",
- skb->data[0], skb->data[1], skb->data[2],
- skb->data[3], skb->data[4], skb->data[5],
- skb->data[6], skb->data[7], skb->data[8],
- skb->data[9], skb->data[10], skb->data[11],
+ printk(KERN_DEBUG " Rx data %pM %pM %2.2x%2.2x.\n",
+ skb->data, skb->data + 6,
skb->data[12], skb->data[13]);
}
#endif
} else
#endif /* VLAN_SUPPORT */
netif_receive_skb(skb);
- dev->last_rx = jiffies;
np->stats.rx_packets++;
next_rx:
desc->status = 0;
np->rx_done = (np->rx_done + 1) % DONE_Q_SIZE;
}
+
+ if (*quota == 0) { /* out of rx quota */
+ retcode = 1;
+ goto out;
+ }
writew(np->rx_done, np->base + CompletionQConsumerIdx);
out:
intr_status = readl(ioaddr + IntrStatus);
} while (intr_status & (IntrRxDone | IntrRxEmpty));
- netif_rx_complete(dev, napi);
+ netif_rx_complete(napi);
intr_status = readl(ioaddr + IntrEnable);
intr_status |= IntrRxDone | IntrRxEmpty;
writel(intr_status, ioaddr + IntrEnable);
#include <net/bluetooth/l2cap.h>
#include <net/bluetooth/rfcomm.h>
-#ifndef CONFIG_BT_RFCOMM_DEBUG
-#undef BT_DBG
-#define BT_DBG(D...)
-#endif
-
#define VERSION "1.10"
static int disable_cfc = 0;
if (err < 0)
return;
- __module_get(nsock->ops->owner);
-
/* Set our callbacks */
nsock->sk->sk_data_ready = rfcomm_l2data_ready;
nsock->sk->sk_state_change = rfcomm_l2state_change;
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
#include <linux/mutex.h>
-#include <linux/thread_info.h>
#include <linux/wanrouter.h>
#include <linux/if_bridge.h>
#include <linux/if_frad.h>
}
(*newsock)->ops = sock->ops;
+ __module_get((*newsock)->ops->owner);
done:
return err;
projects / firefly-linux-kernel-4.4.55.git / commitdiff