__le32 rx_ok_mcast;
__le16 tx_abort;
__le16 tx_underrun;
-} __attribute__((packed));
+} __packed;
struct cp_extra_stats {
unsigned long rx_frags;
goto rx_status_loop;
spin_lock_irqsave(&cp->lock, flags);
- cpw16_f(IntrMask, cp_intr_mask);
__napi_complete(napi);
+ cpw16_f(IntrMask, cp_intr_mask);
spin_unlock_irqrestore(&cp->lock, flags);
}
/* read MMIO register */
#define RTL_R8(reg) ioread8 (ioaddr + (reg))
#define RTL_R16(reg) ioread16 (ioaddr + (reg))
-#define RTL_R32(reg) ((unsigned long) ioread32 (ioaddr + (reg)))
+#define RTL_R32(reg) ioread32 (ioaddr + (reg))
static const u16 rtl8139_intr_mask =
}
/* if unknown chip, assume array element #0, original RTL-8139 in this case */
+ i = 0;
dev_dbg(&pdev->dev, "unknown chip version, assuming RTL-8139\n");
- dev_dbg(&pdev->dev, "TxConfig = 0x%lx\n", RTL_R32 (TxConfig));
+ dev_dbg(&pdev->dev, "TxConfig = 0x%x\n", RTL_R32 (TxConfig));
tp->chipset = 0;
match:
netdev_dbg(dev, "Tx queue start entry %ld dirty entry %ld\n",
tp->cur_tx, tp->dirty_tx);
for (i = 0; i < NUM_TX_DESC; i++)
- netdev_dbg(dev, "Tx descriptor %d is %08lx%s\n",
+ netdev_dbg(dev, "Tx descriptor %d is %08x%s\n",
i, RTL_R32(TxStatus0 + (i * 4)),
i == tp->dirty_tx % NUM_TX_DESC ?
" (queue head)" : "");
* again when we think we are done.
*/
spin_lock_irqsave(&tp->lock, flags);
- RTL_W16_F(IntrMask, rtl8139_intr_mask);
__napi_complete(napi);
+ RTL_W16_F(IntrMask, rtl8139_intr_mask);
spin_unlock_irqrestore(&tp->lock, flags);
}
spin_unlock(&tp->rx_lock);
int rx_mode;
u32 tmp;
- netdev_dbg(dev, "rtl8139_set_rx_mode(%04x) done -- Rx config %08lx\n",
+ netdev_dbg(dev, "rtl8139_set_rx_mode(%04x) done -- Rx config %08x\n",
dev->flags, RTL_R32(RxConfig));
/* Note: do not reorder, GCC is clever about common statements. */
priv->rx_queue[i] = NULL;
for (i = 0; i < priv->num_tx_queues; i++) {
- priv->tx_queue[i] = (struct gfar_priv_tx_q *)kzalloc(
- sizeof (struct gfar_priv_tx_q), GFP_KERNEL);
+ priv->tx_queue[i] = kzalloc(sizeof(struct gfar_priv_tx_q),
+ GFP_KERNEL);
if (!priv->tx_queue[i]) {
err = -ENOMEM;
goto tx_alloc_failed;
}
for (i = 0; i < priv->num_rx_queues; i++) {
- priv->rx_queue[i] = (struct gfar_priv_rx_q *)kzalloc(
- sizeof (struct gfar_priv_rx_q), GFP_KERNEL);
+ priv->rx_queue[i] = kzalloc(sizeof(struct gfar_priv_rx_q),
+ GFP_KERNEL);
if (!priv->rx_queue[i]) {
err = -ENOMEM;
goto rx_alloc_failed;
FSL_GIANFAR_DEV_HAS_CSUM |
FSL_GIANFAR_DEV_HAS_VLAN |
FSL_GIANFAR_DEV_HAS_MAGIC_PACKET |
- FSL_GIANFAR_DEV_HAS_EXTENDED_HASH |
- FSL_GIANFAR_DEV_HAS_TIMER;
+ FSL_GIANFAR_DEV_HAS_EXTENDED_HASH;
ctype = of_get_property(np, "phy-connection-type", NULL);
#define RTL_W32(reg, val32) writel ((val32), ioaddr + (reg))
#define RTL_R8(reg) readb (ioaddr + (reg))
#define RTL_R16(reg) readw (ioaddr + (reg))
-#define RTL_R32(reg) ((unsigned long) readl (ioaddr + (reg)))
+#define RTL_R32(reg) readl (ioaddr + (reg))
enum mac_version {
RTL_GIGA_MAC_NONE = 0x00,
udelay(25);
}
/*
- * Some configurations require a small delay even after the write
- * completed indication or the next write might fail.
+ * According to hardware specs a 20us delay is required after write
+ * complete indication, but before sending next command.
*/
- udelay(25);
+ udelay(20);
}
static int mdio_read(void __iomem *ioaddr, int reg_addr)
}
udelay(25);
}
+ /*
+ * According to hardware specs a 20us delay is required after read
+ * complete indication, but before sending next command.
+ */
+ udelay(20);
+
return value;
}
__le16 res2;
u8 status;
__le16 res3;
-} __attribute__ ((packed));
+} __packed;
static int asix_read_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
u16 size, void *data)
return 2;
}
- if (size > ETH_FRAME_LEN) {
+ if (size > dev->net->mtu + ETH_HLEN) {
netdev_err(dev->net, "asix_rx_fixup() Bad RX Length %d\n",
size);
return 0;
struct {
struct i2400m_bootrom_header cmd;
u8 cmd_payload[chunk_len];
- } __attribute__((packed)) *buf;
+ } __packed *buf;
struct i2400m_bootrom_header ack;
d_fnstart(5, dev, "(i2400m %p chunk %p __chunk_len %zu addr 0x%08lx "
struct {
struct i2400m_bootrom_header cmd;
u8 cmd_pl[0];
- } __attribute__((packed)) *cmd_buf;
+ } __packed *cmd_buf;
size_t signature_block_offset, signature_block_size;
d_fnstart(3, dev, "offset %zu\n", offset);
struct {
struct i2400m_bootrom_header ack;
u8 ack_pl[16];
- } __attribute__((packed)) ack_buf;
+ } __packed ack_buf;
d_fnstart(5, dev, "(i2400m %p)\n", i2400m);
cmd = i2400m->bm_cmd_buf;
struct {
struct i2400m_bootrom_header cmd;
struct i2400m_bcf_hdr cmd_pl;
- } __attribute__((packed)) *cmd_buf;
+ } __packed *cmd_buf;
struct i2400m_bootrom_header ack;
d_fnstart(5, dev, "(i2400m %p bcf_hdr %p)\n", i2400m, bcf_hdr);
unsigned module_type, header_len, major_version, minor_version,
module_id, module_vendor, date, size;
- module_type = bcf_hdr->module_type;
+ module_type = le32_to_cpu(bcf_hdr->module_type);
header_len = sizeof(u32) * le32_to_cpu(bcf_hdr->header_len);
major_version = (le32_to_cpu(bcf_hdr->header_version) & 0xffff0000)
>> 16;
}
/* Set up antennas */
- priv->mgmt_tx_ant = iwl_toggle_tx_ant(priv, priv->mgmt_tx_ant);
+ priv->mgmt_tx_ant = iwl_toggle_tx_ant(priv, priv->mgmt_tx_ant,
+ priv->hw_params.valid_tx_ant);
rate_flags |= iwl_ant_idx_to_flags(priv->mgmt_tx_ant);
/* Set the rate in the TX cmd */
hdr_len = ieee80211_hdrlen(fc);
/* Find index into station table for destination station */
- if (!info->control.sta)
- sta_id = priv->hw_params.bcast_sta_id;
- else
- sta_id = iwl_sta_id(info->control.sta);
+ sta_id = iwl_sta_id_or_broadcast(priv, info->control.sta);
if (sta_id == IWL_INVALID_STATION) {
IWL_DEBUG_DROP(priv, "Dropping - INVALID STATION: %pM\n",
hdr->addr1);
}
txq_id = get_queue_from_ac(skb_get_queue_mapping(skb));
+
+ /* irqs already disabled/saved above when locking priv->lock */
+ spin_lock(&priv->sta_lock);
+
if (ieee80211_is_data_qos(fc)) {
qc = ieee80211_get_qos_ctl(hdr);
tid = qc[0] & IEEE80211_QOS_CTL_TID_MASK;
- if (unlikely(tid >= MAX_TID_COUNT))
+ if (WARN_ON_ONCE(tid >= MAX_TID_COUNT)) {
+ spin_unlock(&priv->sta_lock);
goto drop_unlock;
+ }
seq_number = priv->stations[sta_id].tid[tid].seq_number;
seq_number &= IEEE80211_SCTL_SEQ;
hdr->seq_ctrl = hdr->seq_ctrl &
swq_id = txq->swq_id;
q = &txq->q;
- if (unlikely(iwl_queue_space(q) < q->high_mark))
+ if (unlikely(iwl_queue_space(q) < q->high_mark)) {
+ spin_unlock(&priv->sta_lock);
goto drop_unlock;
+ }
- if (ieee80211_is_data_qos(fc))
+ if (ieee80211_is_data_qos(fc)) {
priv->stations[sta_id].tid[tid].tfds_in_queue++;
+ if (!ieee80211_has_morefrags(fc))
+ priv->stations[sta_id].tid[tid].seq_number = seq_number;
+ }
+
+ spin_unlock(&priv->sta_lock);
/* Set up driver data for this TFD */
memset(&(txq->txb[q->write_ptr]), 0, sizeof(struct iwl_tx_info));
- txq->txb[q->write_ptr].skb[0] = skb;
+ txq->txb[q->write_ptr].skb = skb;
/* Set up first empty entry in queue's array of Tx/cmd buffers */
out_cmd = txq->cmd[q->write_ptr];
txcmd_phys = pci_map_single(priv->pci_dev,
&out_cmd->hdr, len,
PCI_DMA_BIDIRECTIONAL);
- pci_unmap_addr_set(out_meta, mapping, txcmd_phys);
- pci_unmap_len_set(out_meta, len, len);
+ dma_unmap_addr_set(out_meta, mapping, txcmd_phys);
+ dma_unmap_len_set(out_meta, len, len);
/* Add buffer containing Tx command and MAC(!) header to TFD's
* first entry */
priv->cfg->ops->lib->txq_attach_buf_to_tfd(priv, txq,
if (!ieee80211_has_morefrags(hdr->frame_control)) {
txq->need_update = 1;
- if (qc)
- priv->stations[sta_id].tid[tid].seq_number = seq_number;
} else {
wait_write_ptr = 1;
txq->need_update = 0;
if (ret)
return ret;
+ spin_lock_irqsave(&priv->sta_lock, flags);
+ tid_data = &priv->stations[sta_id].tid[tid];
if (tid_data->tfds_in_queue == 0) {
IWL_DEBUG_HT(priv, "HW queue is empty\n");
tid_data->agg.state = IWL_AGG_ON;
tid_data->tfds_in_queue);
tid_data->agg.state = IWL_EMPTYING_HW_QUEUE_ADDBA;
}
+ spin_unlock_irqrestore(&priv->sta_lock, flags);
return ret;
}
return -ENXIO;
}
+ spin_lock_irqsave(&priv->sta_lock, flags);
+
if (priv->stations[sta_id].tid[tid].agg.state ==
IWL_EMPTYING_HW_QUEUE_ADDBA) {
IWL_DEBUG_HT(priv, "AGG stop before setup done\n");
ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
priv->stations[sta_id].tid[tid].agg.state = IWL_AGG_OFF;
+ spin_unlock_irqrestore(&priv->sta_lock, flags);
return 0;
}
IWL_DEBUG_HT(priv, "Stopping a non empty AGG HW QUEUE\n");
priv->stations[sta_id].tid[tid].agg.state =
IWL_EMPTYING_HW_QUEUE_DELBA;
+ spin_unlock_irqrestore(&priv->sta_lock, flags);
return 0;
}
IWL_DEBUG_HT(priv, "HW queue is empty\n");
priv->stations[sta_id].tid[tid].agg.state = IWL_AGG_OFF;
- spin_lock_irqsave(&priv->lock, flags);
+ /* do not restore/save irqs */
+ spin_unlock(&priv->sta_lock);
+ spin_lock(&priv->lock);
+
/*
* the only reason this call can fail is queue number out of range,
* which can happen if uCode is reloaded and all the station
u8 *addr = priv->stations[sta_id].sta.sta.addr;
struct iwl_tid_data *tid_data = &priv->stations[sta_id].tid[tid];
+ WARN_ON(!spin_is_locked(&priv->sta_lock));
+
switch (priv->stations[sta_id].tid[tid].agg.state) {
case IWL_EMPTYING_HW_QUEUE_DELBA:
/* We are reclaiming the last packet of the */
}
break;
}
+
return 0;
}
struct ieee80211_sta *sta;
struct iwl_station_priv *sta_priv;
+ rcu_read_lock();
sta = ieee80211_find_sta(priv->vif, hdr->addr1);
if (sta) {
sta_priv = (void *)sta->drv_priv;
atomic_dec_return(&sta_priv->pending_frames) == 0)
ieee80211_sta_block_awake(priv->hw, sta, false);
}
+ rcu_read_unlock();
ieee80211_tx_status_irqsafe(priv->hw, skb);
}
q->read_ptr = iwl_queue_inc_wrap(q->read_ptr, q->n_bd)) {
tx_info = &txq->txb[txq->q.read_ptr];
- iwlagn_tx_status(priv, tx_info->skb[0]);
+ iwlagn_tx_status(priv, tx_info->skb);
- hdr = (struct ieee80211_hdr *)tx_info->skb[0]->data;
+ hdr = (struct ieee80211_hdr *)tx_info->skb->data;
if (hdr && ieee80211_is_data_qos(hdr->frame_control))
nfreed++;
- tx_info->skb[0] = NULL;
+ tx_info->skb = NULL;
if (priv->cfg->ops->lib->txq_inval_byte_cnt_tbl)
priv->cfg->ops->lib->txq_inval_byte_cnt_tbl(priv, txq);
int i, sh, ack;
u16 seq_ctl = le16_to_cpu(ba_resp->seq_ctl);
u16 scd_flow = le16_to_cpu(ba_resp->scd_flow);
- u64 bitmap;
+ u64 bitmap, sent_bitmap;
int successes = 0;
struct ieee80211_tx_info *info;
/* check for success or failure according to the
* transmitted bitmap and block-ack bitmap */
- bitmap &= agg->bitmap;
+ sent_bitmap = bitmap & agg->bitmap;
/* For each frame attempted in aggregation,
* update driver's record of tx frame's status. */
- for (i = 0; i < agg->frame_count ; i++) {
- ack = bitmap & (1ULL << i);
- successes += !!ack;
+ i = 0;
+ while (sent_bitmap) {
+ ack = sent_bitmap & 1ULL;
+ successes += ack;
IWL_DEBUG_TX_REPLY(priv, "%s ON i=%d idx=%d raw=%d\n",
ack ? "ACK" : "NACK", i, (agg->start_idx + i) & 0xff,
agg->start_idx + i);
+ sent_bitmap >>= 1;
+ ++i;
}
- info = IEEE80211_SKB_CB(priv->txq[scd_flow].txb[agg->start_idx].skb[0]);
+ info = IEEE80211_SKB_CB(priv->txq[scd_flow].txb[agg->start_idx].skb);
memset(&info->status, 0, sizeof(info->status));
info->flags |= IEEE80211_TX_STAT_ACK;
info->flags |= IEEE80211_TX_STAT_AMPDU;
info->status.ampdu_ack_len = successes;
- info->status.ampdu_ack_map = bitmap;
info->status.ampdu_len = agg->frame_count;
iwlagn_hwrate_to_tx_control(priv, agg->rate_n_flags, info);
int index;
int sta_id;
int tid;
+ unsigned long flags;
/* "flow" corresponds to Tx queue */
u16 scd_flow = le16_to_cpu(ba_resp->scd_flow);
/* Find index just before block-ack window */
index = iwl_queue_dec_wrap(ba_resp_scd_ssn & 0xff, txq->q.n_bd);
- /* TODO: Need to get this copy more safely - now good for debug */
+ spin_lock_irqsave(&priv->sta_lock, flags);
IWL_DEBUG_TX_REPLY(priv, "REPLY_COMPRESSED_BA [%d] Received from %pM, "
"sta_id = %d\n",
iwlagn_txq_check_empty(priv, sta_id, tid, scd_flow);
}
+
+ spin_unlock_irqrestore(&priv->sta_lock, flags);
}
kmemcheck_bitfield_begin(flags2);
__u16 queue_mapping:16;
#ifdef CONFIG_IPV6_NDISC_NODETYPE
- __u8 ndisc_nodetype:2;
+ __u8 ndisc_nodetype:2,
+ deliver_no_wcard:1;
+ #else
+ __u8 deliver_no_wcard:1;
#endif
kmemcheck_bitfield_end(flags2);
/* LRO sets gso_size but not gso_type, whereas if GSO is really
* wanted then gso_type will be set. */
struct skb_shared_info *shinfo = skb_shinfo(skb);
- if (shinfo->gso_size != 0 && unlikely(shinfo->gso_type == 0)) {
+ if (skb_is_nonlinear(skb) && shinfo->gso_size != 0 &&
+ unlikely(shinfo->gso_type == 0)) {
__skb_warn_lro_forwarding(skb);
return true;
}
EXPORT_SYMBOL(dev_getfirstbyhwtype);
/**
- * dev_get_by_flags - find any device with given flags
+ * dev_get_by_flags_rcu - find any device with given flags
* @net: the applicable net namespace
* @if_flags: IFF_* values
* @mask: bitmask of bits in if_flags to check
*
* Search for any interface with the given flags. Returns NULL if a device
- * is not found or a pointer to the device. The device returned has
- * had a reference added and the pointer is safe until the user calls
- * dev_put to indicate they have finished with it.
+ * is not found or a pointer to the device. Must be called inside
+ * rcu_read_lock(), and result refcount is unchanged.
*/
-struct net_device *dev_get_by_flags(struct net *net, unsigned short if_flags,
+struct net_device *dev_get_by_flags_rcu(struct net *net, unsigned short if_flags,
unsigned short mask)
{
struct net_device *dev, *ret;
ret = NULL;
- rcu_read_lock();
for_each_netdev_rcu(net, dev) {
if (((dev->flags ^ if_flags) & mask) == 0) {
- dev_hold(dev);
ret = dev;
break;
}
}
- rcu_read_unlock();
return ret;
}
-EXPORT_SYMBOL(dev_get_by_flags);
+EXPORT_SYMBOL(dev_get_by_flags_rcu);
/**
* dev_valid_name - check if name is okay for network device
void dev_kfree_skb_irq(struct sk_buff *skb)
{
- if (atomic_dec_and_test(&skb->users)) {
+ if (!skb->destructor)
+ dev_kfree_skb(skb);
+ else if (atomic_dec_and_test(&skb->users)) {
struct softnet_data *sd;
unsigned long flags;
struct netdev_queue *txq)
{
spinlock_t *root_lock = qdisc_lock(q);
+ bool contended = qdisc_is_running(q);
int rc;
+ /*
+ * Heuristic to force contended enqueues to serialize on a
+ * separate lock before trying to get qdisc main lock.
+ * This permits __QDISC_STATE_RUNNING owner to get the lock more often
+ * and dequeue packets faster.
+ */
+ if (unlikely(contended))
+ spin_lock(&q->busylock);
+
spin_lock(root_lock);
if (unlikely(test_bit(__QDISC_STATE_DEACTIVATED, &q->state))) {
kfree_skb(skb);
rc = NET_XMIT_DROP;
} else if ((q->flags & TCQ_F_CAN_BYPASS) && !qdisc_qlen(q) &&
- !test_and_set_bit(__QDISC_STATE_RUNNING, &q->state)) {
+ qdisc_run_begin(q)) {
/*
* This is a work-conserving queue; there are no old skbs
* waiting to be sent out; and the qdisc is not running -
if (!(dev->priv_flags & IFF_XMIT_DST_RELEASE))
skb_dst_force(skb);
__qdisc_update_bstats(q, skb->len);
- if (sch_direct_xmit(skb, q, dev, txq, root_lock))
+ if (sch_direct_xmit(skb, q, dev, txq, root_lock)) {
+ if (unlikely(contended)) {
+ spin_unlock(&q->busylock);
+ contended = false;
+ }
__qdisc_run(q);
- else
- clear_bit(__QDISC_STATE_RUNNING, &q->state);
+ } else
+ qdisc_run_end(q);
rc = NET_XMIT_SUCCESS;
} else {
skb_dst_force(skb);
rc = qdisc_enqueue_root(skb, q);
- qdisc_run(q);
+ if (qdisc_run_begin(q)) {
+ if (unlikely(contended)) {
+ spin_unlock(&q->busylock);
+ contended = false;
+ }
+ __qdisc_run(q);
+ }
}
spin_unlock(root_lock);
-
+ if (unlikely(contended))
+ spin_unlock(&q->busylock);
return rc;
}
static inline int skb_needs_linearize(struct sk_buff *skb,
struct net_device *dev)
{
- return (skb_has_frags(skb) && !(dev->features & NETIF_F_FRAGLIST)) ||
- (skb_shinfo(skb)->nr_frags && (!(dev->features & NETIF_F_SG) ||
- illegal_highdma(dev, skb)));
+ return skb_is_nonlinear(skb) &&
+ ((skb_has_frags(skb) && !(dev->features & NETIF_F_FRAGLIST)) ||
+ (skb_shinfo(skb)->nr_frags && (!(dev->features & NETIF_F_SG) ||
+ illegal_highdma(dev, skb))));
}
/**
if (skb_rx_queue_recorded(skb)) {
u16 index = skb_get_rx_queue(skb);
if (unlikely(index >= dev->num_rx_queues)) {
- if (net_ratelimit()) {
- pr_warning("%s received packet on queue "
- "%u, but number of RX queues is %u\n",
- dev->name, index, dev->num_rx_queues);
- }
+ WARN_ONCE(dev->num_rx_queues > 1, "%s received packet "
+ "on queue %u, but number of RX queues is %u\n",
+ dev->name, index, dev->num_rx_queues);
goto done;
}
rxqueue = dev->_rx + index;
return pt_prev->func(skb, skb->dev, pt_prev, orig_dev);
}
-#if defined(CONFIG_BRIDGE) || defined (CONFIG_BRIDGE_MODULE)
-
-#if defined(CONFIG_ATM_LANE) || defined(CONFIG_ATM_LANE_MODULE)
+#if (defined(CONFIG_BRIDGE) || defined(CONFIG_BRIDGE_MODULE)) && \
+ (defined(CONFIG_ATM_LANE) || defined(CONFIG_ATM_LANE_MODULE))
/* This hook is defined here for ATM LANE */
int (*br_fdb_test_addr_hook)(struct net_device *dev,
unsigned char *addr) __read_mostly;
EXPORT_SYMBOL_GPL(br_fdb_test_addr_hook);
#endif
-/*
- * If bridge module is loaded call bridging hook.
- * returns NULL if packet was consumed.
- */
-struct sk_buff *(*br_handle_frame_hook)(struct net_bridge_port *p,
- struct sk_buff *skb) __read_mostly;
-EXPORT_SYMBOL_GPL(br_handle_frame_hook);
-
-static inline struct sk_buff *handle_bridge(struct sk_buff *skb,
- struct packet_type **pt_prev, int *ret,
- struct net_device *orig_dev)
-{
- struct net_bridge_port *port;
-
- if (skb->pkt_type == PACKET_LOOPBACK ||
- (port = rcu_dereference(skb->dev->br_port)) == NULL)
- return skb;
-
- if (*pt_prev) {
- *ret = deliver_skb(skb, *pt_prev, orig_dev);
- *pt_prev = NULL;
- }
-
- return br_handle_frame_hook(port, skb);
-}
-#else
-#define handle_bridge(skb, pt_prev, ret, orig_dev) (skb)
-#endif
-
-#if defined(CONFIG_MACVLAN) || defined(CONFIG_MACVLAN_MODULE)
-struct sk_buff *(*macvlan_handle_frame_hook)(struct macvlan_port *p,
- struct sk_buff *skb) __read_mostly;
-EXPORT_SYMBOL_GPL(macvlan_handle_frame_hook);
-
-static inline struct sk_buff *handle_macvlan(struct sk_buff *skb,
- struct packet_type **pt_prev,
- int *ret,
- struct net_device *orig_dev)
-{
- struct macvlan_port *port;
-
- port = rcu_dereference(skb->dev->macvlan_port);
- if (!port)
- return skb;
-
- if (*pt_prev) {
- *ret = deliver_skb(skb, *pt_prev, orig_dev);
- *pt_prev = NULL;
- }
- return macvlan_handle_frame_hook(port, skb);
-}
-#else
-#define handle_macvlan(skb, pt_prev, ret, orig_dev) (skb)
-#endif
-
#ifdef CONFIG_NET_CLS_ACT
/* TODO: Maybe we should just force sch_ingress to be compiled in
* when CONFIG_NET_CLS_ACT is? otherwise some useless instructions
if (*pt_prev) {
*ret = deliver_skb(skb, *pt_prev, orig_dev);
*pt_prev = NULL;
- } else {
- /* Huh? Why does turning on AF_PACKET affect this? */
- skb->tc_verd = SET_TC_OK2MUNGE(skb->tc_verd);
}
switch (ing_filter(skb)) {
rcu_read_unlock();
}
+/**
+ * netdev_rx_handler_register - register receive handler
+ * @dev: device to register a handler for
+ * @rx_handler: receive handler to register
+ *
+ * Register a receive hander for a device. This handler will then be
+ * called from __netif_receive_skb. A negative errno code is returned
+ * on a failure.
+ *
+ * The caller must hold the rtnl_mutex.
+ */
+int netdev_rx_handler_register(struct net_device *dev,
+ rx_handler_func_t *rx_handler)
+{
+ ASSERT_RTNL();
+
+ if (dev->rx_handler)
+ return -EBUSY;
+
+ rcu_assign_pointer(dev->rx_handler, rx_handler);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(netdev_rx_handler_register);
+
+/**
+ * netdev_rx_handler_unregister - unregister receive handler
+ * @dev: device to unregister a handler from
+ *
+ * Unregister a receive hander from a device.
+ *
+ * The caller must hold the rtnl_mutex.
+ */
+void netdev_rx_handler_unregister(struct net_device *dev)
+{
+
+ ASSERT_RTNL();
+ rcu_assign_pointer(dev->rx_handler, NULL);
+}
+EXPORT_SYMBOL_GPL(netdev_rx_handler_unregister);
+
static inline void skb_bond_set_mac_by_master(struct sk_buff *skb,
struct net_device *master)
{
static int __netif_receive_skb(struct sk_buff *skb)
{
struct packet_type *ptype, *pt_prev;
+ rx_handler_func_t *rx_handler;
struct net_device *orig_dev;
struct net_device *master;
struct net_device *null_or_orig;
if (!skb->skb_iif)
skb->skb_iif = skb->dev->ifindex;
+ /*
+ * bonding note: skbs received on inactive slaves should only
+ * be delivered to pkt handlers that are exact matches. Also
+ * the deliver_no_wcard flag will be set. If packet handlers
+ * are sensitive to duplicate packets these skbs will need to
+ * be dropped at the handler. The vlan accel path may have
+ * already set the deliver_no_wcard flag.
+ */
null_or_orig = NULL;
orig_dev = skb->dev;
master = ACCESS_ONCE(orig_dev->master);
- if (master) {
- if (skb_bond_should_drop(skb, master))
+ if (skb->deliver_no_wcard)
+ null_or_orig = orig_dev;
+ else if (master) {
+ if (skb_bond_should_drop(skb, master)) {
+ skb->deliver_no_wcard = 1;
null_or_orig = orig_dev; /* deliver only exact match */
- else
+ } else
skb->dev = master;
}
- __get_cpu_var(softnet_data).processed++;
-
+ __this_cpu_inc(softnet_data.processed);
skb_reset_network_header(skb);
skb_reset_transport_header(skb);
skb->mac_len = skb->network_header - skb->mac_header;
ncls:
#endif
- skb = handle_bridge(skb, &pt_prev, &ret, orig_dev);
- if (!skb)
- goto out;
- skb = handle_macvlan(skb, &pt_prev, &ret, orig_dev);
- if (!skb)
- goto out;
+ /* Handle special case of bridge or macvlan */
+ rx_handler = rcu_dereference(skb->dev->rx_handler);
+ if (rx_handler) {
+ if (pt_prev) {
+ ret = deliver_skb(skb, pt_prev, orig_dev);
+ pt_prev = NULL;
+ }
+ skb = rx_handler(skb);
+ if (!skb)
+ goto out;
+ }
/*
* Make sure frames received on VLAN interfaces stacked on
{
struct mr_table *mrt, *next;
- list_for_each_entry_safe(mrt, next, &net->ipv4.mr_tables, list)
+ list_for_each_entry_safe(mrt, next, &net->ipv4.mr_tables, list) {
+ list_del(&mrt->list);
kfree(mrt);
+ }
fib_rules_unregister(net->ipv4.mr_rules_ops);
}
#else
goto out_free;
}
- dev = rt->u.dst.dev;
+ dev = rt->dst.dev;
- if (skb->len+encap > dst_mtu(&rt->u.dst) && (ntohs(iph->frag_off) & IP_DF)) {
+ if (skb->len+encap > dst_mtu(&rt->dst) && (ntohs(iph->frag_off) & IP_DF)) {
/* Do not fragment multicasts. Alas, IPv4 does not
allow to send ICMP, so that packets will disappear
to blackhole.
goto out_free;
}
- encap += LL_RESERVED_SPACE(dev) + rt->u.dst.header_len;
+ encap += LL_RESERVED_SPACE(dev) + rt->dst.header_len;
if (skb_cow(skb, encap)) {
ip_rt_put(rt);
vif->bytes_out += skb->len;
skb_dst_drop(skb);
- skb_dst_set(skb, &rt->u.dst);
+ skb_dst_set(skb, &rt->dst);
ip_decrease_ttl(ip_hdr(skb));
/* FIXME: forward and output firewalls used to be called here.
mutex_unlock(&ifmgd->mtx);
if (skb->len >= 24 + 2 /* mgmt + deauth reason */ &&
- (fc & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_DEAUTH)
- cfg80211_send_deauth(sdata->dev, (u8 *)mgmt, skb->len);
+ (fc & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_DEAUTH) {
+ struct ieee80211_local *local = sdata->local;
+ struct ieee80211_work *wk;
+
+ mutex_lock(&local->work_mtx);
+ list_for_each_entry(wk, &local->work_list, list) {
+ if (wk->sdata != sdata)
+ continue;
+
+ if (wk->type != IEEE80211_WORK_ASSOC)
+ continue;
+
+ if (memcmp(mgmt->bssid, wk->filter_ta, ETH_ALEN))
+ continue;
+ if (memcmp(mgmt->sa, wk->filter_ta, ETH_ALEN))
+ continue;
+
+ /*
+ * Printing the message only here means we can't
+ * spuriously print it, but it also means that it
+ * won't be printed when the frame comes in before
+ * we even tried to associate or in similar cases.
+ *
+ * Ultimately, I suspect cfg80211 should print the
+ * messages instead.
+ */
+ printk(KERN_DEBUG
+ "%s: deauthenticated from %pM (Reason: %u)\n",
+ sdata->name, mgmt->bssid,
+ le16_to_cpu(mgmt->u.deauth.reason_code));
+
+ list_del_rcu(&wk->list);
+ free_work(wk);
+ break;
+ }
+ mutex_unlock(&local->work_mtx);
+ cfg80211_send_deauth(sdata->dev, (u8 *)mgmt, skb->len);
+ }
out:
kfree_skb(skb);
}
/*
* ieee80211_queue_work() should have picked up most cases,
- * here we'll pick the the rest.
+ * here we'll pick the rest.
*/
if (WARN(local->suspended, "STA MLME work scheduled while "
"going to suspend\n"))
cfg80211_send_assoc_timeout(wk->sdata->dev,
wk->filter_ta);
return WORK_DONE_DESTROY;
+ } else {
+ mutex_unlock(&wk->sdata->u.mgd.mtx);
+#ifdef CONFIG_INET
+ /*
+ * configure ARP filter IP addresses to the driver,
+ * intentionally outside the mgd mutex.
+ */
+ rtnl_lock();
+ ieee80211_set_arp_filter(wk->sdata);
+ rtnl_unlock();
+#endif
}
- mutex_unlock(&wk->sdata->u.mgd.mtx);
}
cfg80211_send_rx_assoc(wk->sdata->dev, skb->data, skb->len);
int ieee80211_mgd_action(struct ieee80211_sub_if_data *sdata,
struct ieee80211_channel *chan,
enum nl80211_channel_type channel_type,
+ bool channel_type_valid,
const u8 *buf, size_t len, u64 *cookie)
{
struct ieee80211_local *local = sdata->local;
struct sk_buff *skb;
/* Check that we are on the requested channel for transmission */
- if ((chan != local->tmp_channel ||
- channel_type != local->tmp_channel_type) &&
- (chan != local->oper_channel ||
+ if (chan != local->tmp_channel &&
+ chan != local->oper_channel)
+ return -EBUSY;
+ if (channel_type_valid &&
+ (channel_type != local->tmp_channel_type &&
channel_type != local->_oper_channel_type))
return -EBUSY;
git://bbs.cooldavid.org / net-next-2.6.git / commitdiff