1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Copyright (C) 2016 Felix Fietkau <nbd@nbd.name>
4 * Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
10 #include <linux/skbuff.h>
11 #include <linux/bitops.h>
12 #include <linux/bitfield.h>
13 #include <net/mac80211.h>
17 struct task_struct *task;
18 void (*fn)(struct mt76_worker *);
23 MT76_WORKER_SCHEDULED,
27 #define MT76_INCR(_var, _size) \
28 (_var = (((_var) + 1) % (_size)))
30 int mt76_wcid_alloc(u32 *mask, int size);
33 mt76_wcid_mask_test(u32 *mask, int idx)
35 return mask[idx / 32] & BIT(idx % 32);
39 mt76_wcid_mask_set(u32 *mask, int idx)
41 mask[idx / 32] |= BIT(idx % 32);
45 mt76_wcid_mask_clear(u32 *mask, int idx)
47 mask[idx / 32] &= ~BIT(idx % 32);
51 mt76_skb_set_moredata(struct sk_buff *skb, bool enable)
53 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
56 hdr->frame_control |= cpu_to_le16(IEEE80211_FCTL_MOREDATA);
58 hdr->frame_control &= ~cpu_to_le16(IEEE80211_FCTL_MOREDATA);
61 int __mt76_worker_fn(void *ptr);
64 mt76_worker_setup(struct ieee80211_hw *hw, struct mt76_worker *w,
65 void (*fn)(struct mt76_worker *),
68 const char *dev_name = wiphy_name(hw->wiphy);
73 w->task = kthread_run(__mt76_worker_fn, w,
74 "mt76-%s %s", name, dev_name);
76 if (IS_ERR(w->task)) {
77 ret = PTR_ERR(w->task);
85 static inline void mt76_worker_schedule(struct mt76_worker *w)
90 if (!test_and_set_bit(MT76_WORKER_SCHEDULED, &w->state) &&
91 !test_bit(MT76_WORKER_RUNNING, &w->state))
92 wake_up_process(w->task);
95 static inline void mt76_worker_disable(struct mt76_worker *w)
100 kthread_park(w->task);
101 WRITE_ONCE(w->state, 0);
104 static inline void mt76_worker_enable(struct mt76_worker *w)
109 kthread_unpark(w->task);
110 mt76_worker_schedule(w);
113 static inline void mt76_worker_teardown(struct mt76_worker *w)
118 kthread_stop(w->task);