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net: mac80211: convert tasklets to use new tasklet_setup() API 

In preparation for unconditionally passing the
struct tasklet_struct pointer to all tasklet
callbacks, switch to using the new tasklet_setup()
and from_tasklet() to pass the tasklet pointer explicitly.

Reviewed-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Romain Perier <romain.perier@gmail.com>
Signed-off-by: Allen Pais <apais@linux.microsoft.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Allen Pais 2020-11-03 14:48:18 +05:30 committed by Jakub Kicinski
parent c6533ca87a
commit da1cad7342
4 changed files with 13 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
net/mac80211/ieee80211_i.h
View File

@ -1795,7 +1795,7 @@ static inline bool ieee80211_sdata_running(struct ieee80211_sub_if_data *sdata)
/* tx handling */
void ieee80211_clear_tx_pending(struct ieee80211_local *local);
void ieee80211_tx_pending(unsigned long data);
void ieee80211_tx_pending(struct tasklet_struct *t);
netdev_tx_t ieee80211_monitor_start_xmit(struct sk_buff *skb,
struct net_device *dev);
netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb,
@ -2146,7 +2146,7 @@ void ieee80211_txq_remove_vlan(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata);
void ieee80211_fill_txq_stats(struct cfg80211_txq_stats *txqstats,
struct txq_info *txqi);
void ieee80211_wake_txqs(unsigned long data);
void ieee80211_wake_txqs(struct tasklet_struct *t);
void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata,
u16 transaction, u16 auth_alg, u16 status,
const u8 *extra, size_t extra_len, const u8 *bssid,

14
net/mac80211/main.c
View File

@ -220,9 +220,9 @@ u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata)
BSS_CHANGED_ERP_SLOT;
}
static void ieee80211_tasklet_handler(unsigned long data)
static void ieee80211_tasklet_handler(struct tasklet_struct *t)
{
struct ieee80211_local *local = (struct ieee80211_local *) data;
struct ieee80211_local *local = from_tasklet(local, t, tasklet);
struct sk_buff *skb;
while ((skb = skb_dequeue(&local->skb_queue)) ||
@ -733,16 +733,12 @@ struct ieee80211_hw *ieee80211_alloc_hw_nm(size_t priv_data_len,
skb_queue_head_init(&local->pending[i]);
atomic_set(&local->agg_queue_stop[i], 0);
}
tasklet_init(&local->tx_pending_tasklet, ieee80211_tx_pending,
(unsigned long)local);
tasklet_setup(&local->tx_pending_tasklet, ieee80211_tx_pending);
if (ops->wake_tx_queue)
tasklet_init(&local->wake_txqs_tasklet, ieee80211_wake_txqs,
(unsigned long)local);
tasklet_setup(&local->wake_txqs_tasklet, ieee80211_wake_txqs);
tasklet_init(&local->tasklet,
ieee80211_tasklet_handler,
(unsigned long) local);
tasklet_setup(&local->tasklet, ieee80211_tasklet_handler);
skb_queue_head_init(&local->skb_queue);
skb_queue_head_init(&local->skb_queue_unreliable);

5
net/mac80211/tx.c
View File

@ -4418,9 +4418,10 @@ static bool ieee80211_tx_pending_skb(struct ieee80211_local *local,
/*
* Transmit all pending packets. Called from tasklet.
*/
void ieee80211_tx_pending(unsigned long data)
void ieee80211_tx_pending(struct tasklet_struct *t)
{
struct ieee80211_local *local = (struct ieee80211_local *)data;
struct ieee80211_local *local = from_tasklet(local, t,
tx_pending_tasklet);
unsigned long flags;
int i;
bool txok;

5
net/mac80211/util.c
View File

@ -386,9 +386,10 @@ _ieee80211_wake_txqs(struct ieee80211_local *local, unsigned long *flags)
rcu_read_unlock();
}
void ieee80211_wake_txqs(unsigned long data)
void ieee80211_wake_txqs(struct tasklet_struct *t)
{
struct ieee80211_local *local = (struct ieee80211_local *)data;
struct ieee80211_local *local = from_tasklet(local, t,
wake_txqs_tasklet);
unsigned long flags;
spin_lock_irqsave(&local->queue_stop_reason_lock, flags);