diff options
Diffstat (limited to 'drivers/net/wireless/realtek/rtw89/ps.c')
-rw-r--r-- | drivers/net/wireless/realtek/rtw89/ps.c | 153 |
1 files changed, 150 insertions, 3 deletions
diff --git a/drivers/net/wireless/realtek/rtw89/ps.c b/drivers/net/wireless/realtek/rtw89/ps.c index 96ea04d90cd3..8e4fe73e7d77 100644 --- a/drivers/net/wireless/realtek/rtw89/ps.c +++ b/drivers/net/wireless/realtek/rtw89/ps.c @@ -113,7 +113,7 @@ static void __rtw89_leave_lps(struct rtw89_dev *rtwdev, void rtw89_leave_ps_mode(struct rtw89_dev *rtwdev) { - lockdep_assert_held(&rtwdev->mutex); + lockdep_assert_wiphy(rtwdev->hw->wiphy); __rtw89_leave_ps_mode(rtwdev); } @@ -125,7 +125,7 @@ void rtw89_enter_lps(struct rtw89_dev *rtwdev, struct rtw89_vif *rtwvif, bool can_ps_mode = true; unsigned int link_id; - lockdep_assert_held(&rtwdev->mutex); + lockdep_assert_wiphy(rtwdev->hw->wiphy); if (test_and_set_bit(RTW89_FLAG_LEISURE_PS, rtwdev->flags)) return; @@ -162,7 +162,7 @@ void rtw89_leave_lps(struct rtw89_dev *rtwdev) struct rtw89_vif *rtwvif; unsigned int link_id; - lockdep_assert_held(&rtwdev->mutex); + lockdep_assert_wiphy(rtwdev->hw->wiphy); if (!test_and_clear_bit(RTW89_FLAG_LEISURE_PS, rtwdev->flags)) return; @@ -382,3 +382,150 @@ u8 rtw89_p2p_noa_fetch(struct rtw89_vif_link *rtwvif_link, void **data) tail = ie->noa_desc + setter->noa_count; return tail - *data; } + +static void rtw89_ps_noa_once_set_work(struct wiphy *wiphy, struct wiphy_work *work) +{ + struct rtw89_ps_noa_once_handler *noa_once = + container_of(work, struct rtw89_ps_noa_once_handler, set_work.work); + + lockdep_assert_wiphy(wiphy); + + noa_once->in_duration = true; +} + +static void rtw89_ps_noa_once_clr_work(struct wiphy *wiphy, struct wiphy_work *work) +{ + struct rtw89_ps_noa_once_handler *noa_once = + container_of(work, struct rtw89_ps_noa_once_handler, clr_work.work); + struct rtw89_vif_link *rtwvif_link = + container_of(noa_once, struct rtw89_vif_link, noa_once); + struct rtw89_dev *rtwdev = rtwvif_link->rtwvif->rtwdev; + + lockdep_assert_wiphy(wiphy); + + rtw89_fw_h2c_set_bcn_fltr_cfg(rtwdev, rtwvif_link, true); + noa_once->in_duration = false; +} + +void rtw89_p2p_noa_once_init(struct rtw89_vif_link *rtwvif_link) +{ + struct rtw89_ps_noa_once_handler *noa_once = &rtwvif_link->noa_once; + + noa_once->in_duration = false; + noa_once->tsf_begin = 0; + noa_once->tsf_end = 0; + + wiphy_delayed_work_init(&noa_once->set_work, rtw89_ps_noa_once_set_work); + wiphy_delayed_work_init(&noa_once->clr_work, rtw89_ps_noa_once_clr_work); +} + +static void rtw89_p2p_noa_once_cancel(struct rtw89_vif_link *rtwvif_link) +{ + struct rtw89_ps_noa_once_handler *noa_once = &rtwvif_link->noa_once; + struct rtw89_dev *rtwdev = rtwvif_link->rtwvif->rtwdev; + struct wiphy *wiphy = rtwdev->hw->wiphy; + + wiphy_delayed_work_cancel(wiphy, &noa_once->set_work); + wiphy_delayed_work_cancel(wiphy, &noa_once->clr_work); +} + +void rtw89_p2p_noa_once_deinit(struct rtw89_vif_link *rtwvif_link) +{ + rtw89_p2p_noa_once_cancel(rtwvif_link); + rtw89_p2p_noa_once_init(rtwvif_link); +} + +void rtw89_p2p_noa_once_recalc(struct rtw89_vif_link *rtwvif_link) +{ + struct rtw89_ps_noa_once_handler *noa_once = &rtwvif_link->noa_once; + struct rtw89_dev *rtwdev = rtwvif_link->rtwvif->rtwdev; + const struct ieee80211_p2p_noa_desc *noa_desc; + struct wiphy *wiphy = rtwdev->hw->wiphy; + struct ieee80211_bss_conf *bss_conf; + u64 tsf_begin = U64_MAX, tsf_end; + u64 set_delay_us = 0; + u64 clr_delay_us = 0; + u32 start_time; + u32 interval; + u32 duration; + u64 tsf; + int ret; + int i; + + lockdep_assert_wiphy(wiphy); + + ret = rtw89_mac_port_get_tsf(rtwdev, rtwvif_link, &tsf); + if (ret) { + rtw89_warn(rtwdev, "%s: failed to get tsf\n", __func__); + return; + } + + rcu_read_lock(); + + bss_conf = rtw89_vif_rcu_dereference_link(rtwvif_link, true); + + for (i = 0; i < ARRAY_SIZE(bss_conf->p2p_noa_attr.desc); i++) { + bool first = tsf_begin == U64_MAX; + u64 tmp; + + noa_desc = &bss_conf->p2p_noa_attr.desc[i]; + if (noa_desc->count == 0 || noa_desc->count == 255) + continue; + + start_time = le32_to_cpu(noa_desc->start_time); + interval = le32_to_cpu(noa_desc->interval); + duration = le32_to_cpu(noa_desc->duration); + + if (unlikely(duration == 0 || + (noa_desc->count > 1 && interval == 0))) + continue; + + tmp = start_time + interval * (noa_desc->count - 1) + duration; + tmp = (tsf & GENMASK_ULL(63, 32)) + tmp; + if (unlikely(tmp <= tsf)) + continue; + tsf_end = first ? tmp : max(tsf_end, tmp); + + tmp = (tsf & GENMASK_ULL(63, 32)) | start_time; + tsf_begin = first ? tmp : min(tsf_begin, tmp); + } + + rcu_read_unlock(); + + if (tsf_begin == U64_MAX) + return; + + rtw89_p2p_noa_once_cancel(rtwvif_link); + + if (noa_once->tsf_end > tsf) { + tsf_begin = min(tsf_begin, noa_once->tsf_begin); + tsf_end = max(tsf_end, noa_once->tsf_end); + } + + clr_delay_us = min_t(u64, tsf_end - tsf, UINT_MAX); + + if (tsf_begin <= tsf) { + noa_once->in_duration = true; + goto out; + } + + set_delay_us = tsf_begin - tsf; + if (unlikely(set_delay_us > UINT_MAX)) { + rtw89_warn(rtwdev, "%s: unhandled begin\n", __func__); + set_delay_us = 0; + clr_delay_us = 0; + rtw89_fw_h2c_set_bcn_fltr_cfg(rtwdev, rtwvif_link, true); + noa_once->in_duration = false; + } + +out: + if (set_delay_us) + wiphy_delayed_work_queue(wiphy, &noa_once->set_work, + usecs_to_jiffies(set_delay_us)); + if (clr_delay_us) + wiphy_delayed_work_queue(wiphy, &noa_once->clr_work, + usecs_to_jiffies(clr_delay_us)); + + noa_once->tsf_begin = tsf_begin; + noa_once->tsf_end = tsf_end; +} |