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Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

Browse Source 
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net:
  ipv6: Check dest prefix length on original route not copied one in rt6_alloc_cow().
  sch_gred: should not use GFP_KERNEL while holding a spinlock
  ipip, sit: copy parms.name after register_netdevice
  ipv6: Fix for adding multicast route for loopback device automatically.
  ssb: fix init regression with SoCs
  rtl8192{ce,cu,de,se}: avoid problems because of possible ERFOFF -> ERFSLEEP transition
  mac80211: fix another race in aggregation start
  fsl_pq_mdio: Clean up tbi address configuration
  ppp: fix pptp double release_sock in pptp_bind()
  net/fec: fix the use of pdev->id
  ath9k: fix check for antenna diversity support
  batman-adv: delete global entry in case of roaming
  batman-adv: in case of roaming mark the client with TT_CLIENT_ROAM
  Bluetooth: Correct version check in hci_setup
  btusb: fix a memory leak in btusb_send_frame()
  Bluetooth: bnep: Fix module reference
  Bluetooth: cmtp: Fix module reference
  Bluetooth: btmrvl: support Marvell Bluetooth device SD8797
This commit is contained in:
Linus Torvalds 2011-12-16 12:17:32 -08:00
commit 24545cf168
22 changed files with 130 additions and 129 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/bluetooth/Kconfig
View File

@ -188,7 +188,7 @@ config BT_MRVL
The core driver to support Marvell Bluetooth devices.
This driver is required if you want to support
Marvell Bluetooth devices, such as 8688/8787.
Marvell Bluetooth devices, such as 8688/8787/8797.
Say Y here to compile Marvell Bluetooth driver
into the kernel or say M to compile it as module.
@ -201,8 +201,8 @@ config BT_MRVL_SDIO
The driver for Marvell Bluetooth chipsets with SDIO interface.
This driver is required if you want to use Marvell Bluetooth
devices with SDIO interface. Currently SD8688/SD8787 chipsets are
supported.
devices with SDIO interface. Currently SD8688/SD8787/SD8797
chipsets are supported.
Say Y here to compile support for Marvell BT-over-SDIO driver
into the kernel or say M to compile it as module.

15
drivers/bluetooth/btmrvl_sdio.c
View File

@ -65,7 +65,7 @@ static const struct btmrvl_sdio_card_reg btmrvl_reg_8688 = {
.io_port_1 = 0x01,
.io_port_2 = 0x02,
};
static const struct btmrvl_sdio_card_reg btmrvl_reg_8787 = {
static const struct btmrvl_sdio_card_reg btmrvl_reg_87xx = {
.cfg = 0x00,
.host_int_mask = 0x02,
.host_intstatus = 0x03,
@ -92,7 +92,14 @@ static const struct btmrvl_sdio_device btmrvl_sdio_sd8688 = {
static const struct btmrvl_sdio_device btmrvl_sdio_sd8787 = {
.helper = NULL,
.firmware = "mrvl/sd8787_uapsta.bin",
.reg = &btmrvl_reg_8787,
.reg = &btmrvl_reg_87xx,
.sd_blksz_fw_dl = 256,
};
static const struct btmrvl_sdio_device btmrvl_sdio_sd8797 = {
.helper = NULL,
.firmware = "mrvl/sd8797_uapsta.bin",
.reg = &btmrvl_reg_87xx,
.sd_blksz_fw_dl = 256,
};
@ -103,6 +110,9 @@ static const struct sdio_device_id btmrvl_sdio_ids[] = {
/* Marvell SD8787 Bluetooth device */
{ SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, 0x911A),
.driver_data = (unsigned long) &btmrvl_sdio_sd8787 },
/* Marvell SD8797 Bluetooth device */
{ SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, 0x912A),
.driver_data = (unsigned long) &btmrvl_sdio_sd8797 },
{ } /* Terminating entry */
};
@ -1076,3 +1086,4 @@ MODULE_LICENSE("GPL v2");
MODULE_FIRMWARE("sd8688_helper.bin");
MODULE_FIRMWARE("sd8688.bin");
MODULE_FIRMWARE("mrvl/sd8787_uapsta.bin");
MODULE_FIRMWARE("mrvl/sd8797_uapsta.bin");

3
drivers/bluetooth/btusb.c
View File

@ -777,9 +777,8 @@ static int btusb_send_frame(struct sk_buff *skb)
usb_mark_last_busy(data->udev);
}
usb_free_urb(urb);
done:
usb_free_urb(urb);
return err;
}

11
drivers/net/ethernet/freescale/fec.c
View File

@ -232,6 +232,7 @@ struct fec_enet_private {
struct platform_device *pdev;
int opened;
int dev_id;
/* Phylib and MDIO interface */
struct mii_bus *mii_bus;
@ -837,7 +838,7 @@ static void __inline__ fec_get_mac(struct net_device *ndev)
/* Adjust MAC if using macaddr */
if (iap == macaddr)
ndev->dev_addr[ETH_ALEN-1] = macaddr[ETH_ALEN-1] + fep->pdev->id;
ndev->dev_addr[ETH_ALEN-1] = macaddr[ETH_ALEN-1] + fep->dev_id;
}
/* ------------------------------------------------------------------------- */
@ -953,7 +954,7 @@ static int fec_enet_mii_probe(struct net_device *ndev)
char mdio_bus_id[MII_BUS_ID_SIZE];
char phy_name[MII_BUS_ID_SIZE + 3];
int phy_id;
int dev_id = fep->pdev->id;
int dev_id = fep->dev_id;
fep->phy_dev = NULL;
@ -1031,7 +1032,7 @@ static int fec_enet_mii_init(struct platform_device *pdev)
* mdio interface in board design, and need to be configured by
* fec0 mii_bus.
*/
if ((id_entry->driver_data & FEC_QUIRK_ENET_MAC) && pdev->id > 0) {
if ((id_entry->driver_data & FEC_QUIRK_ENET_MAC) && fep->dev_id > 0) {
/* fec1 uses fec0 mii_bus */
fep->mii_bus = fec0_mii_bus;
return 0;
@ -1063,7 +1064,7 @@ static int fec_enet_mii_init(struct platform_device *pdev)
fep->mii_bus->read = fec_enet_mdio_read;
fep->mii_bus->write = fec_enet_mdio_write;
fep->mii_bus->reset = fec_enet_mdio_reset;
snprintf(fep->mii_bus->id, MII_BUS_ID_SIZE, "%x", pdev->id + 1);
snprintf(fep->mii_bus->id, MII_BUS_ID_SIZE, "%x", fep->dev_id + 1);
fep->mii_bus->priv = fep;
fep->mii_bus->parent = &pdev->dev;
@ -1521,6 +1522,7 @@ fec_probe(struct platform_device *pdev)
int i, irq, ret = 0;
struct resource *r;
const struct of_device_id *of_id;
static int dev_id;
of_id = of_match_device(fec_dt_ids, &pdev->dev);
if (of_id)
@ -1548,6 +1550,7 @@ fec_probe(struct platform_device *pdev)
fep->hwp = ioremap(r->start, resource_size(r));
fep->pdev = pdev;
fep->dev_id = dev_id++;
if (!fep->hwp) {
ret = -ENOMEM;

53
drivers/net/ethernet/freescale/fsl_pq_mdio.c
View File

@ -183,28 +183,10 @@ void fsl_pq_mdio_bus_name(char *name, struct device_node *np)
}
EXPORT_SYMBOL_GPL(fsl_pq_mdio_bus_name);
/* Scan the bus in reverse, looking for an empty spot */
static int fsl_pq_mdio_find_free(struct mii_bus *new_bus)
{
int i;
for (i = PHY_MAX_ADDR; i > 0; i--) {
u32 phy_id;
if (get_phy_id(new_bus, i, &phy_id))
return -1;
if (phy_id == 0xffffffff)
break;
}
return i;
}
#if defined(CONFIG_GIANFAR) || defined(CONFIG_GIANFAR_MODULE)
static u32 __iomem *get_gfar_tbipa(struct fsl_pq_mdio __iomem *regs, struct device_node *np)
{
#if defined(CONFIG_GIANFAR) || defined(CONFIG_GIANFAR_MODULE)
struct gfar __iomem *enet_regs;
/*
@ -220,15 +202,15 @@ static u32 __iomem *get_gfar_tbipa(struct fsl_pq_mdio __iomem *regs, struct devi
} else if (of_device_is_compatible(np, "fsl,etsec2-mdio") ||
of_device_is_compatible(np, "fsl,etsec2-tbi")) {
return of_iomap(np, 1);
} else
return NULL;
}
}
#endif
return NULL;
}
#if defined(CONFIG_UCC_GETH) || defined(CONFIG_UCC_GETH_MODULE)
static int get_ucc_id_for_range(u64 start, u64 end, u32 *ucc_id)
{
#if defined(CONFIG_UCC_GETH) || defined(CONFIG_UCC_GETH_MODULE)
struct device_node *np = NULL;
int err = 0;
@ -261,9 +243,10 @@ static int get_ucc_id_for_range(u64 start, u64 end, u32 *ucc_id)
return err;
else
return -EINVAL;
}
#else
return -ENODEV;
#endif
}
static int fsl_pq_mdio_probe(struct platform_device *ofdev)
{
@ -339,19 +322,13 @@ static int fsl_pq_mdio_probe(struct platform_device *ofdev)
of_device_is_compatible(np, "fsl,etsec2-mdio") ||
of_device_is_compatible(np, "fsl,etsec2-tbi") ||
of_device_is_compatible(np, "gianfar")) {
#if defined(CONFIG_GIANFAR) || defined(CONFIG_GIANFAR_MODULE)
tbipa = get_gfar_tbipa(regs, np);
if (!tbipa) {
err = -EINVAL;
goto err_free_irqs;
}
#else
err = -ENODEV;
goto err_free_irqs;
#endif
} else if (of_device_is_compatible(np, "fsl,ucc-mdio") ||
of_device_is_compatible(np, "ucc_geth_phy")) {
#if defined(CONFIG_UCC_GETH) || defined(CONFIG_UCC_GETH_MODULE)
u32 id;
static u32 mii_mng_master;
@ -364,10 +341,6 @@ static int fsl_pq_mdio_probe(struct platform_device *ofdev)
mii_mng_master = id;
ucc_set_qe_mux_mii_mng(id - 1);
}
#else
err = -ENODEV;
goto err_free_irqs;
#endif
} else {
err = -ENODEV;
goto err_free_irqs;
@ -386,16 +359,6 @@ static int fsl_pq_mdio_probe(struct platform_device *ofdev)
}
if (tbiaddr == -1) {
out_be32(tbipa, 0);
tbiaddr = fsl_pq_mdio_find_free(new_bus);
}
/*
* We define TBIPA at 0 to be illegal, opting to fail for boards that
* have PHYs at 1-31, rather than change tbipa and rescan.
*/
if (tbiaddr == 0) {
err = -EBUSY;
goto err_free_irqs;

4
drivers/net/ppp/pptp.c
View File

@ -423,10 +423,8 @@ static int pptp_bind(struct socket *sock, struct sockaddr *uservaddr,
lock_sock(sk);
opt->src_addr = sp->sa_addr.pptp;
if (add_chan(po)) {
release_sock(sk);
if (add_chan(po))
error = -EBUSY;
}
release_sock(sk);
return error;

2
drivers/net/wireless/ath/ath9k/main.c
View File

@ -286,7 +286,7 @@ static bool ath_complete_reset(struct ath_softc *sc, bool start)
ath_start_ani(common);
}
if (ath9k_hw_ops(ah)->antdiv_comb_conf_get && sc->ant_rx != 3) {
if ((ah->caps.hw_caps & ATH9K_HW_CAP_ANT_DIV_COMB) && sc->ant_rx != 3) {
struct ath_hw_antcomb_conf div_ant_conf;
u8 lna_conf;

2
drivers/net/wireless/rtlwifi/rtl8192ce/phy.c
View File

@ -569,7 +569,7 @@ static bool _rtl92ce_phy_set_rf_power_state(struct ieee80211_hw *hw,
}
case ERFSLEEP:{
if (ppsc->rfpwr_state == ERFOFF)
break;
return false;
for (queue_id = 0, i = 0;
queue_id < RTL_PCI_MAX_TX_QUEUE_COUNT;) {
ring = &pcipriv->dev.tx_ring[queue_id];

2
drivers/net/wireless/rtlwifi/rtl8192cu/phy.c
View File

@ -548,7 +548,7 @@ static bool _rtl92cu_phy_set_rf_power_state(struct ieee80211_hw *hw,
break;
case ERFSLEEP:
if (ppsc->rfpwr_state == ERFOFF)
break;
return false;
for (queue_id = 0, i = 0;
queue_id < RTL_PCI_MAX_TX_QUEUE_COUNT;) {
ring = &pcipriv->dev.tx_ring[queue_id];

2
drivers/net/wireless/rtlwifi/rtl8192de/phy.c
View File

@ -3374,7 +3374,7 @@ bool rtl92d_phy_set_rf_power_state(struct ieee80211_hw *hw,
break;
case ERFSLEEP:
if (ppsc->rfpwr_state == ERFOFF)
break;
return false;
for (queue_id = 0, i = 0;
queue_id < RTL_PCI_MAX_TX_QUEUE_COUNT;) {

2
drivers/net/wireless/rtlwifi/rtl8192se/phy.c
View File

@ -602,7 +602,7 @@ bool rtl92s_phy_set_rf_power_state(struct ieee80211_hw *hw,
}
case ERFSLEEP:
if (ppsc->rfpwr_state == ERFOFF)
break;
return false;
for (queue_id = 0, i = 0;
queue_id < RTL_PCI_MAX_TX_QUEUE_COUNT;) {

8
drivers/ssb/driver_pcicore.c
View File

@ -517,10 +517,14 @@ static void ssb_pcicore_pcie_setup_workarounds(struct ssb_pcicore *pc)
static void __devinit ssb_pcicore_init_clientmode(struct ssb_pcicore *pc)
{
ssb_pcicore_fix_sprom_core_index(pc);
struct ssb_device *pdev = pc->dev;
struct ssb_bus *bus = pdev->bus;
if (bus->bustype == SSB_BUSTYPE_PCI)
ssb_pcicore_fix_sprom_core_index(pc);
/* Disable PCI interrupts. */
ssb_write32(pc->dev, SSB_INTVEC, 0);
ssb_write32(pdev, SSB_INTVEC, 0);
/* Additional PCIe always once-executed workarounds */
if (pc->dev->id.coreid == SSB_DEV_PCIE) {

27
net/batman-adv/translation-table.c
View File

@ -245,9 +245,11 @@ void tt_local_add(struct net_device *soft_iface, const uint8_t *addr,
if (tt_global_entry) {
/* This node is probably going to update its tt table */
tt_global_entry->orig_node->tt_poss_change = true;
/* The global entry has to be marked as PENDING and has to be
/* The global entry has to be marked as ROAMING and has to be
* kept for consistency purpose */
tt_global_entry->flags |= TT_CLIENT_PENDING;
tt_global_entry->flags |= TT_CLIENT_ROAM;
tt_global_entry->roam_at = jiffies;
send_roam_adv(bat_priv, tt_global_entry->addr,
tt_global_entry->orig_node);
}
@ -694,6 +696,7 @@ void tt_global_del(struct bat_priv *bat_priv,
const char *message, bool roaming)
{
struct tt_global_entry *tt_global_entry = NULL;
struct tt_local_entry *tt_local_entry = NULL;
tt_global_entry = tt_global_hash_find(bat_priv, addr);
if (!tt_global_entry)
@ -701,15 +704,29 @@ void tt_global_del(struct bat_priv *bat_priv,
if (tt_global_entry->orig_node == orig_node) {
if (roaming) {
tt_global_entry->flags |= TT_CLIENT_ROAM;
tt_global_entry->roam_at = jiffies;
goto out;
/* if we are deleting a global entry due to a roam
* event, there are two possibilities:
* 1) the client roamed from node A to node B => we mark
* it with TT_CLIENT_ROAM, we start a timer and we
* wait for node B to claim it. In case of timeout
* the entry is purged.
* 2) the client roamed to us => we can directly delete
* the global entry, since it is useless now. */
tt_local_entry = tt_local_hash_find(bat_priv,
tt_global_entry->addr);
if (!tt_local_entry) {
tt_global_entry->flags |= TT_CLIENT_ROAM;
tt_global_entry->roam_at = jiffies;
goto out;
}
}
_tt_global_del(bat_priv, tt_global_entry, message);
}
out:
if (tt_global_entry)
tt_global_entry_free_ref(tt_global_entry);
if (tt_local_entry)
tt_local_entry_free_ref(tt_local_entry);
}
void tt_global_del_orig(struct bat_priv *bat_priv,

8
net/bluetooth/bnep/core.c
View File

@ -79,17 +79,12 @@ static struct bnep_session *__bnep_get_session(u8 *dst)
static void __bnep_link_session(struct bnep_session *s)
{
/* It's safe to call __module_get() here because sessions are added
by the socket layer which has to hold the reference to this module.
*/
__module_get(THIS_MODULE);
list_add(&s->list, &bnep_session_list);
}
static void __bnep_unlink_session(struct bnep_session *s)
{
list_del(&s->list);
module_put(THIS_MODULE);
}
static int bnep_send(struct bnep_session *s, void *data, size_t len)
@ -530,6 +525,7 @@ static int bnep_session(void *arg)
up_write(&bnep_session_sem);
free_netdev(dev);
module_put_and_exit(0);
return 0;
}
@ -616,9 +612,11 @@ int bnep_add_connection(struct bnep_connadd_req *req, struct socket *sock)
__bnep_link_session(s);
__module_get(THIS_MODULE);
s->task = kthread_run(bnep_session, s, "kbnepd %s", dev->name);
if (IS_ERR(s->task)) {
/* Session thread start failed, gotta cleanup. */
module_put(THIS_MODULE);
unregister_netdev(dev);
__bnep_unlink_session(s);
err = PTR_ERR(s->task);

5
net/bluetooth/cmtp/core.c
View File

@ -67,14 +67,12 @@ static struct cmtp_session *__cmtp_get_session(bdaddr_t *bdaddr)
static void __cmtp_link_session(struct cmtp_session *session)
{
__module_get(THIS_MODULE);
list_add(&session->list, &cmtp_session_list);
}
static void __cmtp_unlink_session(struct cmtp_session *session)
{
list_del(&session->list);
module_put(THIS_MODULE);
}
static void __cmtp_copy_session(struct cmtp_session *session, struct cmtp_conninfo *ci)
@ -327,6 +325,7 @@ static int cmtp_session(void *arg)
up_write(&cmtp_session_sem);
kfree(session);
module_put_and_exit(0);
return 0;
}
@ -376,9 +375,11 @@ int cmtp_add_connection(struct cmtp_connadd_req *req, struct socket *sock)
__cmtp_link_session(session);
__module_get(THIS_MODULE);
session->task = kthread_run(cmtp_session, session, "kcmtpd_ctr_%d",
session->num);
if (IS_ERR(session->task)) {
module_put(THIS_MODULE);
err = PTR_ERR(session->task);
goto unlink;
}

2
net/bluetooth/hci_event.c
View File

@ -545,7 +545,7 @@ static void hci_setup(struct hci_dev *hdev)
{
hci_setup_event_mask(hdev);
if (hdev->lmp_ver > 1)
if (hdev->hci_ver > 1)
hci_send_cmd(hdev, HCI_OP_READ_LOCAL_COMMANDS, 0, NULL);
if (hdev->features[6] & LMP_SIMPLE_PAIR) {

7
net/ipv4/ipip.c
View File

@ -285,6 +285,8 @@ static struct ip_tunnel * ipip_tunnel_locate(struct net *net,
if (register_netdevice(dev) < 0)
goto failed_free;
strcpy(nt->parms.name, dev->name);
dev_hold(dev);
ipip_tunnel_link(ipn, nt);
return nt;
@ -759,7 +761,6 @@ static int ipip_tunnel_init(struct net_device *dev)
struct ip_tunnel *tunnel = netdev_priv(dev);
tunnel->dev = dev;
strcpy(tunnel->parms.name, dev->name);
memcpy(dev->dev_addr, &tunnel->parms.iph.saddr, 4);
memcpy(dev->broadcast, &tunnel->parms.iph.daddr, 4);
@ -825,6 +826,7 @@ static void ipip_destroy_tunnels(struct ipip_net *ipn, struct list_head *head)
static int __net_init ipip_init_net(struct net *net)
{
struct ipip_net *ipn = net_generic(net, ipip_net_id);
struct ip_tunnel *t;
int err;
ipn->tunnels[0] = ipn->tunnels_wc;
@ -848,6 +850,9 @@ static int __net_init ipip_init_net(struct net *net)
if ((err = register_netdev(ipn->fb_tunnel_dev)))
goto err_reg_dev;
t = netdev_priv(ipn->fb_tunnel_dev);
strcpy(t->parms.name, ipn->fb_tunnel_dev->name);
return 0;
err_reg_dev:

3
net/ipv6/addrconf.c
View File

@ -1805,7 +1805,8 @@ static struct inet6_dev *addrconf_add_dev(struct net_device *dev)
return ERR_PTR(-EACCES);
/* Add default multicast route */
addrconf_add_mroute(dev);
if (!(dev->flags & IFF_LOOPBACK))
addrconf_add_mroute(dev);
/* Add link local route */
addrconf_add_lroute(dev);

2
net/ipv6/route.c
View File

@ -728,7 +728,7 @@ static struct rt6_info *rt6_alloc_cow(const struct rt6_info *ort,
int attempts = !in_softirq();
if (!(rt->rt6i_flags&RTF_GATEWAY)) {
if (rt->rt6i_dst.plen != 128 &&
if (ort->rt6i_dst.plen != 128 &&
ipv6_addr_equal(&ort->rt6i_dst.addr, daddr))
rt->rt6i_flags |= RTF_ANYCAST;
ipv6_addr_copy(&rt->rt6i_gateway, daddr);

7
net/ipv6/sit.c
View File

@ -263,6 +263,8 @@ static struct ip_tunnel *ipip6_tunnel_locate(struct net *net,
if (register_netdevice(dev) < 0)
goto failed_free;
strcpy(nt->parms.name, dev->name);
dev_hold(dev);
ipip6_tunnel_link(sitn, nt);
@ -1144,7 +1146,6 @@ static int ipip6_tunnel_init(struct net_device *dev)
struct ip_tunnel *tunnel = netdev_priv(dev);
tunnel->dev = dev;
strcpy(tunnel->parms.name, dev->name);
memcpy(dev->dev_addr, &tunnel->parms.iph.saddr, 4);
memcpy(dev->broadcast, &tunnel->parms.iph.daddr, 4);
@ -1207,6 +1208,7 @@ static void __net_exit sit_destroy_tunnels(struct sit_net *sitn, struct list_hea
static int __net_init sit_init_net(struct net *net)
{
struct sit_net *sitn = net_generic(net, sit_net_id);
struct ip_tunnel *t;
int err;
sitn->tunnels[0] = sitn->tunnels_wc;
@ -1231,6 +1233,9 @@ static int __net_init sit_init_net(struct net *net)
if ((err = register_netdev(sitn->fb_tunnel_dev)))
goto err_reg_dev;
t = netdev_priv(sitn->fb_tunnel_dev);
strcpy(t->parms.name, sitn->fb_tunnel_dev->name);
return 0;
err_reg_dev:

86
net/mac80211/agg-tx.c
View File

@ -303,6 +303,38 @@ ieee80211_wake_queue_agg(struct ieee80211_local *local, int tid)
__release(agg_queue);
}
/*
* splice packets from the STA's pending to the local pending,
* requires a call to ieee80211_agg_splice_finish later
*/
static void __acquires(agg_queue)
ieee80211_agg_splice_packets(struct ieee80211_local *local,
struct tid_ampdu_tx *tid_tx, u16 tid)
{
int queue = ieee80211_ac_from_tid(tid);
unsigned long flags;
ieee80211_stop_queue_agg(local, tid);
if (WARN(!tid_tx, "TID %d gone but expected when splicing aggregates"
" from the pending queue\n", tid))
return;
if (!skb_queue_empty(&tid_tx->pending)) {
spin_lock_irqsave(&local->queue_stop_reason_lock, flags);
/* copy over remaining packets */
skb_queue_splice_tail_init(&tid_tx->pending,
&local->pending[queue]);
spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
}
}
static void __releases(agg_queue)
ieee80211_agg_splice_finish(struct ieee80211_local *local, u16 tid)
{
ieee80211_wake_queue_agg(local, tid);
}
void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid)
{
struct tid_ampdu_tx *tid_tx;
@ -314,19 +346,17 @@ void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid)
tid_tx = rcu_dereference_protected_tid_tx(sta, tid);
/*
* While we're asking the driver about the aggregation,
* stop the AC queue so that we don't have to worry
* about frames that came in while we were doing that,
* which would require us to put them to the AC pending
* afterwards which just makes the code more complex.
* Start queuing up packets for this aggregation session.
* We're going to release them once the driver is OK with
* that.
*/
ieee80211_stop_queue_agg(local, tid);
clear_bit(HT_AGG_STATE_WANT_START, &tid_tx->state);
/*
* make sure no packets are being processed to get
* valid starting sequence number
* Make sure no packets are being processed. This ensures that
* we have a valid starting sequence number and that in-flight
* packets have been flushed out and no packets for this TID
* will go into the driver during the ampdu_action call.
*/
synchronize_net();
@ -340,17 +370,15 @@ void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid)
" tid %d\n", tid);
#endif
spin_lock_bh(&sta->lock);
ieee80211_agg_splice_packets(local, tid_tx, tid);
ieee80211_assign_tid_tx(sta, tid, NULL);
ieee80211_agg_splice_finish(local, tid);
spin_unlock_bh(&sta->lock);
ieee80211_wake_queue_agg(local, tid);
kfree_rcu(tid_tx, rcu_head);
return;
}
/* we can take packets again now */
ieee80211_wake_queue_agg(local, tid);
/* activate the timer for the recipient's addBA response */
mod_timer(&tid_tx->addba_resp_timer, jiffies + ADDBA_RESP_INTERVAL);
#ifdef CONFIG_MAC80211_HT_DEBUG
@ -466,38 +494,6 @@ int ieee80211_start_tx_ba_session(struct ieee80211_sta *pubsta, u16 tid,
}
EXPORT_SYMBOL(ieee80211_start_tx_ba_session);
/*
* splice packets from the STA's pending to the local pending,
* requires a call to ieee80211_agg_splice_finish later
*/
static void __acquires(agg_queue)
ieee80211_agg_splice_packets(struct ieee80211_local *local,
struct tid_ampdu_tx *tid_tx, u16 tid)
{
int queue = ieee80211_ac_from_tid(tid);
unsigned long flags;
ieee80211_stop_queue_agg(local, tid);
if (WARN(!tid_tx, "TID %d gone but expected when splicing aggregates"
" from the pending queue\n", tid))
return;
if (!skb_queue_empty(&tid_tx->pending)) {
spin_lock_irqsave(&local->queue_stop_reason_lock, flags);
/* copy over remaining packets */
skb_queue_splice_tail_init(&tid_tx->pending,
&local->pending[queue]);
spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
}
}
static void __releases(agg_queue)
ieee80211_agg_splice_finish(struct ieee80211_local *local, u16 tid)
{
ieee80211_wake_queue_agg(local, tid);
}
static void ieee80211_agg_tx_operational(struct ieee80211_local *local,
struct sta_info *sta, u16 tid)
{

2
net/sched/sch_gred.c
View File

@ -385,7 +385,7 @@ static inline int gred_change_vq(struct Qdisc *sch, int dp,
struct gred_sched_data *q;
if (table->tab[dp] == NULL) {
table->tab[dp] = kzalloc(sizeof(*q), GFP_KERNEL);
table->tab[dp] = kzalloc(sizeof(*q), GFP_ATOMIC);
if (table->tab[dp] == NULL)
return -ENOMEM;
}