diff options
Diffstat (limited to 'drivers/net/wireless/realtek/rtw89/chan.c')
| -rw-r--r-- | drivers/net/wireless/realtek/rtw89/chan.c | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/drivers/net/wireless/realtek/rtw89/chan.c b/drivers/net/wireless/realtek/rtw89/chan.c index 4663db4ce2f6..e1bc3606f9ae 100644 --- a/drivers/net/wireless/realtek/rtw89/chan.c +++ b/drivers/net/wireless/realtek/rtw89/chan.c @@ -4,6 +4,8 @@ #include "chan.h" #include "debug.h" +#include "fw.h" +#include "ps.h" #include "util.h" static enum rtw89_subband rtw89_get_subband_type(enum rtw89_band band, @@ -116,6 +118,7 @@ bool rtw89_assign_entity_chan(struct rtw89_dev *rtwdev, rcd->prev_primary_channel = chan->primary_channel; rcd->prev_band_type = chan->band_type; band_changed = new->band_type != chan->band_type; + rcd->band_changed = band_changed; *chan = *new; return band_changed; @@ -193,8 +196,12 @@ void rtw89_entity_init(struct rtw89_dev *rtwdev) enum rtw89_entity_mode rtw89_entity_recalc(struct rtw89_dev *rtwdev) { struct rtw89_hal *hal = &rtwdev->hal; + const struct cfg80211_chan_def *chandef; enum rtw89_entity_mode mode; + struct rtw89_chan chan; u8 weight; + u8 last; + u8 idx; weight = bitmap_weight(hal->entity_map, NUM_OF_RTW89_SUB_ENTITY); switch (weight) { @@ -206,14 +213,121 @@ enum rtw89_entity_mode rtw89_entity_recalc(struct rtw89_dev *rtwdev) rtw89_config_default_chandef(rtwdev); fallthrough; case 1: + last = RTW89_SUB_ENTITY_0; mode = RTW89_ENTITY_MODE_SCC; break; + case 2: + last = RTW89_SUB_ENTITY_1; + mode = rtw89_get_entity_mode(rtwdev); + if (mode == RTW89_ENTITY_MODE_MCC) + break; + + mode = RTW89_ENTITY_MODE_MCC_PREPARE; + break; + } + + for (idx = 0; idx <= last; idx++) { + chandef = rtw89_chandef_get(rtwdev, idx); + rtw89_get_channel_params(chandef, &chan); + if (chan.channel == 0) { + WARN(1, "Invalid channel on chanctx %d\n", idx); + return RTW89_ENTITY_MODE_INVALID; + } + + rtw89_assign_entity_chan(rtwdev, idx, &chan); } rtw89_set_entity_mode(rtwdev, mode); return mode; } +static void rtw89_chanctx_notify(struct rtw89_dev *rtwdev, + enum rtw89_chanctx_state state) +{ + const struct rtw89_chip_info *chip = rtwdev->chip; + const struct rtw89_chanctx_listener *listener = chip->chanctx_listener; + int i; + + if (!listener) + return; + + for (i = 0; i < NUM_OF_RTW89_CHANCTX_CALLBACKS; i++) { + if (!listener->callbacks[i]) + continue; + + rtw89_debug(rtwdev, RTW89_DBG_CHAN, + "chanctx notify listener: cb %d, state %d\n", + i, state); + + listener->callbacks[i](rtwdev, state); + } +} + +static int rtw89_mcc_start(struct rtw89_dev *rtwdev) +{ + if (rtwdev->scanning) + rtw89_hw_scan_abort(rtwdev, rtwdev->scan_info.scanning_vif); + + rtw89_leave_lps(rtwdev); + + rtw89_debug(rtwdev, RTW89_DBG_CHAN, "MCC start\n"); + rtw89_chanctx_notify(rtwdev, RTW89_CHANCTX_STATE_MCC_START); + return 0; +} + +static void rtw89_mcc_stop(struct rtw89_dev *rtwdev) +{ + rtw89_debug(rtwdev, RTW89_DBG_CHAN, "MCC stop\n"); + rtw89_chanctx_notify(rtwdev, RTW89_CHANCTX_STATE_MCC_STOP); +} + +void rtw89_chanctx_work(struct work_struct *work) +{ + struct rtw89_dev *rtwdev = container_of(work, struct rtw89_dev, + chanctx_work.work); + enum rtw89_entity_mode mode; + int ret; + + mutex_lock(&rtwdev->mutex); + + mode = rtw89_get_entity_mode(rtwdev); + switch (mode) { + case RTW89_ENTITY_MODE_MCC_PREPARE: + rtw89_set_entity_mode(rtwdev, RTW89_ENTITY_MODE_MCC); + rtw89_set_channel(rtwdev); + + ret = rtw89_mcc_start(rtwdev); + if (ret) + rtw89_warn(rtwdev, "failed to start MCC: %d\n", ret); + break; + default: + break; + } + + mutex_unlock(&rtwdev->mutex); +} + +void rtw89_queue_chanctx_work(struct rtw89_dev *rtwdev) +{ + enum rtw89_entity_mode mode; + u32 delay; + + mode = rtw89_get_entity_mode(rtwdev); + switch (mode) { + default: + return; + case RTW89_ENTITY_MODE_MCC_PREPARE: + delay = ieee80211_tu_to_usec(RTW89_CHANCTX_TIME_MCC_PREPARE); + break; + } + + rtw89_debug(rtwdev, RTW89_DBG_CHAN, + "queue chanctx work for mode %d with delay %d us\n", + mode, delay); + ieee80211_queue_delayed_work(rtwdev->hw, &rtwdev->chanctx_work, + usecs_to_jiffies(delay)); +} + int rtw89_chanctx_ops_add(struct rtw89_dev *rtwdev, struct ieee80211_chanctx_conf *ctx) { @@ -238,6 +352,7 @@ void rtw89_chanctx_ops_remove(struct rtw89_dev *rtwdev, { struct rtw89_hal *hal = &rtwdev->hal; struct rtw89_chanctx_cfg *cfg = (struct rtw89_chanctx_cfg *)ctx->drv_priv; + enum rtw89_entity_mode mode; struct rtw89_vif *rtwvif; u8 drop, roll; @@ -267,6 +382,15 @@ void rtw89_chanctx_ops_remove(struct rtw89_dev *rtwdev, drop = roll; out: + mode = rtw89_get_entity_mode(rtwdev); + switch (mode) { + case RTW89_ENTITY_MODE_MCC: + rtw89_mcc_stop(rtwdev); + break; + default: + break; + } + clear_bit(drop, hal->entity_map); rtw89_set_channel(rtwdev); } |