Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Felix Fietkau | 446 | 100.00% | 3 | 100.00% |
Total | 446 | 3 |
/* * Copyright (C) 2016 Felix Fietkau <nbd@nbd.name> * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include <linux/module.h> #include "mt76.h" bool __mt76_poll(struct mt76_dev *dev, u32 offset, u32 mask, u32 val, int timeout) { u32 cur; timeout /= 10; do { cur = dev->bus->rr(dev, offset) & mask; if (cur == val) return true; udelay(10); } while (timeout-- > 0); return false; } EXPORT_SYMBOL_GPL(__mt76_poll); bool __mt76_poll_msec(struct mt76_dev *dev, u32 offset, u32 mask, u32 val, int timeout) { u32 cur; timeout /= 10; do { cur = dev->bus->rr(dev, offset) & mask; if (cur == val) return true; usleep_range(10000, 20000); } while (timeout-- > 0); return false; } EXPORT_SYMBOL_GPL(__mt76_poll_msec); int mt76_wcid_alloc(unsigned long *mask, int size) { int i, idx = 0, cur; for (i = 0; i < size / BITS_PER_LONG; i++) { idx = ffs(~mask[i]); if (!idx) continue; idx--; cur = i * BITS_PER_LONG + idx; if (cur >= size) break; mask[i] |= BIT(idx); return cur; } return -1; } EXPORT_SYMBOL_GPL(mt76_wcid_alloc); int mt76_get_min_avg_rssi(struct mt76_dev *dev) { struct mt76_wcid *wcid; int i, j, min_rssi = 0; s8 cur_rssi; local_bh_disable(); rcu_read_lock(); for (i = 0; i < ARRAY_SIZE(dev->wcid_mask); i++) { unsigned long mask = dev->wcid_mask[i]; if (!mask) continue; for (j = i * BITS_PER_LONG; mask; j++, mask >>= 1) { if (!(mask & 1)) continue; wcid = rcu_dereference(dev->wcid[j]); if (!wcid) continue; spin_lock(&dev->rx_lock); if (wcid->inactive_count++ < 5) cur_rssi = -ewma_signal_read(&wcid->rssi); else cur_rssi = 0; spin_unlock(&dev->rx_lock); if (cur_rssi < min_rssi) min_rssi = cur_rssi; } } rcu_read_unlock(); local_bh_enable(); return min_rssi; } EXPORT_SYMBOL_GPL(mt76_get_min_avg_rssi); MODULE_LICENSE("Dual BSD/GPL");
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