diff options
Diffstat (limited to 'net/mac80211/driver-ops.h')
-rw-r--r-- | net/mac80211/driver-ops.h | 780 |
1 files changed, 780 insertions, 0 deletions
diff --git a/net/mac80211/driver-ops.h b/net/mac80211/driver-ops.h new file mode 100644 index 00000000..af4691fe --- /dev/null +++ b/net/mac80211/driver-ops.h @@ -0,0 +1,780 @@ +#ifndef __MAC80211_DRIVER_OPS +#define __MAC80211_DRIVER_OPS + +#include <net/mac80211.h> +#include "ieee80211_i.h" +#include "driver-trace.h" + +static inline void check_sdata_in_driver(struct ieee80211_sub_if_data *sdata) +{ + WARN_ON(!(sdata->flags & IEEE80211_SDATA_IN_DRIVER)); +} + +static inline struct ieee80211_sub_if_data * +get_bss_sdata(struct ieee80211_sub_if_data *sdata) +{ + if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN) + sdata = container_of(sdata->bss, struct ieee80211_sub_if_data, + u.ap); + + return sdata; +} + +static inline void drv_tx(struct ieee80211_local *local, struct sk_buff *skb) +{ + local->ops->tx(&local->hw, skb); +} + +static inline void drv_tx_frags(struct ieee80211_local *local, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta, + struct sk_buff_head *skbs) +{ + local->ops->tx_frags(&local->hw, vif, sta, skbs); +} + +static inline int drv_start(struct ieee80211_local *local) +{ + int ret; + + might_sleep(); + + trace_drv_start(local); + local->started = true; + smp_mb(); + ret = local->ops->start(&local->hw); + trace_drv_return_int(local, ret); + return ret; +} + +static inline void drv_stop(struct ieee80211_local *local) +{ + might_sleep(); + + trace_drv_stop(local); + local->ops->stop(&local->hw); + trace_drv_return_void(local); + + /* sync away all work on the tasklet before clearing started */ + tasklet_disable(&local->tasklet); + tasklet_enable(&local->tasklet); + + barrier(); + + local->started = false; +} + +#ifdef CONFIG_PM +static inline int drv_suspend(struct ieee80211_local *local, + struct cfg80211_wowlan *wowlan) +{ + int ret; + + might_sleep(); + + trace_drv_suspend(local); + ret = local->ops->suspend(&local->hw, wowlan); + trace_drv_return_int(local, ret); + return ret; +} + +static inline int drv_resume(struct ieee80211_local *local) +{ + int ret; + + might_sleep(); + + trace_drv_resume(local); + ret = local->ops->resume(&local->hw); + trace_drv_return_int(local, ret); + return ret; +} +#endif + +static inline int drv_add_interface(struct ieee80211_local *local, + struct ieee80211_sub_if_data *sdata) +{ + int ret; + + might_sleep(); + + if (WARN_ON(sdata->vif.type == NL80211_IFTYPE_AP_VLAN || + sdata->vif.type == NL80211_IFTYPE_MONITOR)) + return -EINVAL; + + trace_drv_add_interface(local, sdata); + ret = local->ops->add_interface(&local->hw, &sdata->vif); + trace_drv_return_int(local, ret); + + if (ret == 0) + sdata->flags |= IEEE80211_SDATA_IN_DRIVER; + + return ret; +} + +static inline int drv_change_interface(struct ieee80211_local *local, + struct ieee80211_sub_if_data *sdata, + enum nl80211_iftype type, bool p2p) +{ + int ret; + + might_sleep(); + + check_sdata_in_driver(sdata); + + trace_drv_change_interface(local, sdata, type, p2p); + ret = local->ops->change_interface(&local->hw, &sdata->vif, type, p2p); + trace_drv_return_int(local, ret); + return ret; +} + +static inline void drv_remove_interface(struct ieee80211_local *local, + struct ieee80211_sub_if_data *sdata) +{ + might_sleep(); + + check_sdata_in_driver(sdata); + + trace_drv_remove_interface(local, sdata); + local->ops->remove_interface(&local->hw, &sdata->vif); + sdata->flags &= ~IEEE80211_SDATA_IN_DRIVER; + trace_drv_return_void(local); +} + +static inline int drv_config(struct ieee80211_local *local, u32 changed) +{ + int ret; + + might_sleep(); + + trace_drv_config(local, changed); + ret = local->ops->config(&local->hw, changed); + trace_drv_return_int(local, ret); + return ret; +} + +static inline void drv_bss_info_changed(struct ieee80211_local *local, + struct ieee80211_sub_if_data *sdata, + struct ieee80211_bss_conf *info, + u32 changed) +{ + might_sleep(); + + check_sdata_in_driver(sdata); + + trace_drv_bss_info_changed(local, sdata, info, changed); + if (local->ops->bss_info_changed) + local->ops->bss_info_changed(&local->hw, &sdata->vif, info, changed); + trace_drv_return_void(local); +} + +static inline u64 drv_prepare_multicast(struct ieee80211_local *local, + struct netdev_hw_addr_list *mc_list) +{ + u64 ret = 0; + + trace_drv_prepare_multicast(local, mc_list->count); + + if (local->ops->prepare_multicast) + ret = local->ops->prepare_multicast(&local->hw, mc_list); + + trace_drv_return_u64(local, ret); + + return ret; +} + +static inline void drv_configure_filter(struct ieee80211_local *local, + unsigned int changed_flags, + unsigned int *total_flags, + u64 multicast) +{ + might_sleep(); + + trace_drv_configure_filter(local, changed_flags, total_flags, + multicast); + local->ops->configure_filter(&local->hw, changed_flags, total_flags, + multicast); + trace_drv_return_void(local); +} + +static inline int drv_set_tim(struct ieee80211_local *local, + struct ieee80211_sta *sta, bool set) +{ + int ret = 0; + trace_drv_set_tim(local, sta, set); + if (local->ops->set_tim) + ret = local->ops->set_tim(&local->hw, sta, set); + trace_drv_return_int(local, ret); + return ret; +} + +static inline int drv_set_key(struct ieee80211_local *local, + enum set_key_cmd cmd, + struct ieee80211_sub_if_data *sdata, + struct ieee80211_sta *sta, + struct ieee80211_key_conf *key) +{ + int ret; + + might_sleep(); + + sdata = get_bss_sdata(sdata); + check_sdata_in_driver(sdata); + + trace_drv_set_key(local, cmd, sdata, sta, key); + ret = local->ops->set_key(&local->hw, cmd, &sdata->vif, sta, key); + trace_drv_return_int(local, ret); + return ret; +} + +static inline void drv_update_tkip_key(struct ieee80211_local *local, + struct ieee80211_sub_if_data *sdata, + struct ieee80211_key_conf *conf, + struct sta_info *sta, u32 iv32, + u16 *phase1key) +{ + struct ieee80211_sta *ista = NULL; + + if (sta) + ista = &sta->sta; + + sdata = get_bss_sdata(sdata); + check_sdata_in_driver(sdata); + + trace_drv_update_tkip_key(local, sdata, conf, ista, iv32); + if (local->ops->update_tkip_key) + local->ops->update_tkip_key(&local->hw, &sdata->vif, conf, + ista, iv32, phase1key); + trace_drv_return_void(local); +} + +static inline int drv_hw_scan(struct ieee80211_local *local, + struct ieee80211_sub_if_data *sdata, + struct cfg80211_scan_request *req) +{ + int ret; + + might_sleep(); + + check_sdata_in_driver(sdata); + + trace_drv_hw_scan(local, sdata); + ret = local->ops->hw_scan(&local->hw, &sdata->vif, req); + trace_drv_return_int(local, ret); + return ret; +} + +static inline void drv_cancel_hw_scan(struct ieee80211_local *local, + struct ieee80211_sub_if_data *sdata) +{ + might_sleep(); + + check_sdata_in_driver(sdata); + + trace_drv_cancel_hw_scan(local, sdata); + local->ops->cancel_hw_scan(&local->hw, &sdata->vif); + trace_drv_return_void(local); +} + +static inline int +drv_sched_scan_start(struct ieee80211_local *local, + struct ieee80211_sub_if_data *sdata, + struct cfg80211_sched_scan_request *req, + struct ieee80211_sched_scan_ies *ies) +{ + int ret; + + might_sleep(); + + check_sdata_in_driver(sdata); + + trace_drv_sched_scan_start(local, sdata); + ret = local->ops->sched_scan_start(&local->hw, &sdata->vif, + req, ies); + trace_drv_return_int(local, ret); + return ret; +} + +static inline void drv_sched_scan_stop(struct ieee80211_local *local, + struct ieee80211_sub_if_data *sdata) +{ + might_sleep(); + + check_sdata_in_driver(sdata); + + trace_drv_sched_scan_stop(local, sdata); + local->ops->sched_scan_stop(&local->hw, &sdata->vif); + trace_drv_return_void(local); +} + +static inline void drv_sw_scan_start(struct ieee80211_local *local) +{ + might_sleep(); + + trace_drv_sw_scan_start(local); + if (local->ops->sw_scan_start) + local->ops->sw_scan_start(&local->hw); + trace_drv_return_void(local); +} + +static inline void drv_sw_scan_complete(struct ieee80211_local *local) +{ + might_sleep(); + + trace_drv_sw_scan_complete(local); + if (local->ops->sw_scan_complete) + local->ops->sw_scan_complete(&local->hw); + trace_drv_return_void(local); +} + +static inline int drv_get_stats(struct ieee80211_local *local, + struct ieee80211_low_level_stats *stats) +{ + int ret = -EOPNOTSUPP; + + might_sleep(); + + if (local->ops->get_stats) + ret = local->ops->get_stats(&local->hw, stats); + trace_drv_get_stats(local, stats, ret); + + return ret; +} + +static inline void drv_get_tkip_seq(struct ieee80211_local *local, + u8 hw_key_idx, u32 *iv32, u16 *iv16) +{ + if (local->ops->get_tkip_seq) + local->ops->get_tkip_seq(&local->hw, hw_key_idx, iv32, iv16); + trace_drv_get_tkip_seq(local, hw_key_idx, iv32, iv16); +} + +static inline int drv_set_frag_threshold(struct ieee80211_local *local, + u32 value) +{ + int ret = 0; + + might_sleep(); + + trace_drv_set_frag_threshold(local, value); + if (local->ops->set_frag_threshold) + ret = local->ops->set_frag_threshold(&local->hw, value); + trace_drv_return_int(local, ret); + return ret; +} + +static inline int drv_set_rts_threshold(struct ieee80211_local *local, + u32 value) +{ + int ret = 0; + + might_sleep(); + + trace_drv_set_rts_threshold(local, value); + if (local->ops->set_rts_threshold) + ret = local->ops->set_rts_threshold(&local->hw, value); + trace_drv_return_int(local, ret); + return ret; +} + +static inline int drv_set_coverage_class(struct ieee80211_local *local, + u8 value) +{ + int ret = 0; + might_sleep(); + + trace_drv_set_coverage_class(local, value); + if (local->ops->set_coverage_class) + local->ops->set_coverage_class(&local->hw, value); + else + ret = -EOPNOTSUPP; + + trace_drv_return_int(local, ret); + return ret; +} + +static inline void drv_sta_notify(struct ieee80211_local *local, + struct ieee80211_sub_if_data *sdata, + enum sta_notify_cmd cmd, + struct ieee80211_sta *sta) +{ + sdata = get_bss_sdata(sdata); + check_sdata_in_driver(sdata); + + trace_drv_sta_notify(local, sdata, cmd, sta); + if (local->ops->sta_notify) + local->ops->sta_notify(&local->hw, &sdata->vif, cmd, sta); + trace_drv_return_void(local); +} + +static inline int drv_sta_add(struct ieee80211_local *local, + struct ieee80211_sub_if_data *sdata, + struct ieee80211_sta *sta) +{ + int ret = 0; + + might_sleep(); + + sdata = get_bss_sdata(sdata); + check_sdata_in_driver(sdata); + + trace_drv_sta_add(local, sdata, sta); + if (local->ops->sta_add) + ret = local->ops->sta_add(&local->hw, &sdata->vif, sta); + + trace_drv_return_int(local, ret); + + return ret; +} + +static inline void drv_sta_remove(struct ieee80211_local *local, + struct ieee80211_sub_if_data *sdata, + struct ieee80211_sta *sta) +{ + might_sleep(); + + sdata = get_bss_sdata(sdata); + check_sdata_in_driver(sdata); + + trace_drv_sta_remove(local, sdata, sta); + if (local->ops->sta_remove) + local->ops->sta_remove(&local->hw, &sdata->vif, sta); + + trace_drv_return_void(local); +} + +static inline __must_check +int drv_sta_state(struct ieee80211_local *local, + struct ieee80211_sub_if_data *sdata, + struct sta_info *sta, + enum ieee80211_sta_state old_state, + enum ieee80211_sta_state new_state) +{ + int ret = 0; + + might_sleep(); + + sdata = get_bss_sdata(sdata); + check_sdata_in_driver(sdata); + + trace_drv_sta_state(local, sdata, &sta->sta, old_state, new_state); + if (local->ops->sta_state) { + ret = local->ops->sta_state(&local->hw, &sdata->vif, &sta->sta, + old_state, new_state); + } else if (old_state == IEEE80211_STA_AUTH && + new_state == IEEE80211_STA_ASSOC) { + ret = drv_sta_add(local, sdata, &sta->sta); + if (ret == 0) + sta->uploaded = true; + } else if (old_state == IEEE80211_STA_ASSOC && + new_state == IEEE80211_STA_AUTH) { + drv_sta_remove(local, sdata, &sta->sta); + } + trace_drv_return_int(local, ret); + return ret; +} + +static inline int drv_conf_tx(struct ieee80211_local *local, + struct ieee80211_sub_if_data *sdata, u16 queue, + const struct ieee80211_tx_queue_params *params) +{ + int ret = -EOPNOTSUPP; + + might_sleep(); + + check_sdata_in_driver(sdata); + + trace_drv_conf_tx(local, sdata, queue, params); + if (local->ops->conf_tx) + ret = local->ops->conf_tx(&local->hw, &sdata->vif, + queue, params); + trace_drv_return_int(local, ret); + return ret; +} + +static inline u64 drv_get_tsf(struct ieee80211_local *local, + struct ieee80211_sub_if_data *sdata) +{ + u64 ret = -1ULL; + + might_sleep(); + + check_sdata_in_driver(sdata); + + trace_drv_get_tsf(local, sdata); + if (local->ops->get_tsf) + ret = local->ops->get_tsf(&local->hw, &sdata->vif); + trace_drv_return_u64(local, ret); + return ret; +} + +static inline void drv_set_tsf(struct ieee80211_local *local, + struct ieee80211_sub_if_data *sdata, + u64 tsf) +{ + might_sleep(); + + check_sdata_in_driver(sdata); + + trace_drv_set_tsf(local, sdata, tsf); + if (local->ops->set_tsf) + local->ops->set_tsf(&local->hw, &sdata->vif, tsf); + trace_drv_return_void(local); +} + +static inline void drv_reset_tsf(struct ieee80211_local *local, + struct ieee80211_sub_if_data *sdata) +{ + might_sleep(); + + check_sdata_in_driver(sdata); + + trace_drv_reset_tsf(local, sdata); + if (local->ops->reset_tsf) + local->ops->reset_tsf(&local->hw, &sdata->vif); + trace_drv_return_void(local); +} + +static inline int drv_tx_last_beacon(struct ieee80211_local *local) +{ + int ret = 0; /* default unsuported op for less congestion */ + + might_sleep(); + + trace_drv_tx_last_beacon(local); + if (local->ops->tx_last_beacon) + ret = local->ops->tx_last_beacon(&local->hw); + trace_drv_return_int(local, ret); + return ret; +} + +static inline int drv_ampdu_action(struct ieee80211_local *local, + struct ieee80211_sub_if_data *sdata, + enum ieee80211_ampdu_mlme_action action, + struct ieee80211_sta *sta, u16 tid, + u16 *ssn, u8 buf_size) +{ + int ret = -EOPNOTSUPP; + + might_sleep(); + + sdata = get_bss_sdata(sdata); + check_sdata_in_driver(sdata); + + trace_drv_ampdu_action(local, sdata, action, sta, tid, ssn, buf_size); + + if (local->ops->ampdu_action) + ret = local->ops->ampdu_action(&local->hw, &sdata->vif, action, + sta, tid, ssn, buf_size); + + trace_drv_return_int(local, ret); + + return ret; +} + +static inline int drv_get_survey(struct ieee80211_local *local, int idx, + struct survey_info *survey) +{ + int ret = -EOPNOTSUPP; + + trace_drv_get_survey(local, idx, survey); + + if (local->ops->get_survey) + ret = local->ops->get_survey(&local->hw, idx, survey); + + trace_drv_return_int(local, ret); + + return ret; +} + +static inline void drv_rfkill_poll(struct ieee80211_local *local) +{ + might_sleep(); + + if (local->ops->rfkill_poll) + local->ops->rfkill_poll(&local->hw); +} + +static inline void drv_flush(struct ieee80211_local *local, bool drop) +{ + might_sleep(); + + trace_drv_flush(local, drop); + if (local->ops->flush) + local->ops->flush(&local->hw, drop); + trace_drv_return_void(local); +} + +static inline void drv_channel_switch(struct ieee80211_local *local, + struct ieee80211_channel_switch *ch_switch) +{ + might_sleep(); + + trace_drv_channel_switch(local, ch_switch); + local->ops->channel_switch(&local->hw, ch_switch); + trace_drv_return_void(local); +} + + +static inline int drv_set_antenna(struct ieee80211_local *local, + u32 tx_ant, u32 rx_ant) +{ + int ret = -EOPNOTSUPP; + might_sleep(); + if (local->ops->set_antenna) + ret = local->ops->set_antenna(&local->hw, tx_ant, rx_ant); + trace_drv_set_antenna(local, tx_ant, rx_ant, ret); + return ret; +} + +static inline int drv_get_antenna(struct ieee80211_local *local, + u32 *tx_ant, u32 *rx_ant) +{ + int ret = -EOPNOTSUPP; + might_sleep(); + if (local->ops->get_antenna) + ret = local->ops->get_antenna(&local->hw, tx_ant, rx_ant); + trace_drv_get_antenna(local, *tx_ant, *rx_ant, ret); + return ret; +} + +static inline int drv_remain_on_channel(struct ieee80211_local *local, + struct ieee80211_channel *chan, + enum nl80211_channel_type chantype, + unsigned int duration) +{ + int ret; + + might_sleep(); + + trace_drv_remain_on_channel(local, chan, chantype, duration); + ret = local->ops->remain_on_channel(&local->hw, chan, chantype, + duration); + trace_drv_return_int(local, ret); + + return ret; +} + +static inline int drv_cancel_remain_on_channel(struct ieee80211_local *local) +{ + int ret; + + might_sleep(); + + trace_drv_cancel_remain_on_channel(local); + ret = local->ops->cancel_remain_on_channel(&local->hw); + trace_drv_return_int(local, ret); + + return ret; +} + +static inline int drv_set_ringparam(struct ieee80211_local *local, + u32 tx, u32 rx) +{ + int ret = -ENOTSUPP; + + might_sleep(); + + trace_drv_set_ringparam(local, tx, rx); + if (local->ops->set_ringparam) + ret = local->ops->set_ringparam(&local->hw, tx, rx); + trace_drv_return_int(local, ret); + + return ret; +} + +static inline void drv_get_ringparam(struct ieee80211_local *local, + u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max) +{ + might_sleep(); + + trace_drv_get_ringparam(local, tx, tx_max, rx, rx_max); + if (local->ops->get_ringparam) + local->ops->get_ringparam(&local->hw, tx, tx_max, rx, rx_max); + trace_drv_return_void(local); +} + +static inline bool drv_tx_frames_pending(struct ieee80211_local *local) +{ + bool ret = false; + + might_sleep(); + + trace_drv_tx_frames_pending(local); + if (local->ops->tx_frames_pending) + ret = local->ops->tx_frames_pending(&local->hw); + trace_drv_return_bool(local, ret); + + return ret; +} + +static inline int drv_set_bitrate_mask(struct ieee80211_local *local, + struct ieee80211_sub_if_data *sdata, + const struct cfg80211_bitrate_mask *mask) +{ + int ret = -EOPNOTSUPP; + + might_sleep(); + + check_sdata_in_driver(sdata); + + trace_drv_set_bitrate_mask(local, sdata, mask); + if (local->ops->set_bitrate_mask) + ret = local->ops->set_bitrate_mask(&local->hw, + &sdata->vif, mask); + trace_drv_return_int(local, ret); + + return ret; +} + +static inline void drv_set_rekey_data(struct ieee80211_local *local, + struct ieee80211_sub_if_data *sdata, + struct cfg80211_gtk_rekey_data *data) +{ + check_sdata_in_driver(sdata); + + trace_drv_set_rekey_data(local, sdata, data); + if (local->ops->set_rekey_data) + local->ops->set_rekey_data(&local->hw, &sdata->vif, data); + trace_drv_return_void(local); +} + +static inline void drv_rssi_callback(struct ieee80211_local *local, + const enum ieee80211_rssi_event event) +{ + trace_drv_rssi_callback(local, event); + if (local->ops->rssi_callback) + local->ops->rssi_callback(&local->hw, event); + trace_drv_return_void(local); +} + +static inline void +drv_release_buffered_frames(struct ieee80211_local *local, + struct sta_info *sta, u16 tids, int num_frames, + enum ieee80211_frame_release_type reason, + bool more_data) +{ + trace_drv_release_buffered_frames(local, &sta->sta, tids, num_frames, + reason, more_data); + if (local->ops->release_buffered_frames) + local->ops->release_buffered_frames(&local->hw, &sta->sta, tids, + num_frames, reason, + more_data); + trace_drv_return_void(local); +} + +static inline void +drv_allow_buffered_frames(struct ieee80211_local *local, + struct sta_info *sta, u16 tids, int num_frames, + enum ieee80211_frame_release_type reason, + bool more_data) +{ + trace_drv_allow_buffered_frames(local, &sta->sta, tids, num_frames, + reason, more_data); + if (local->ops->allow_buffered_frames) + local->ops->allow_buffered_frames(&local->hw, &sta->sta, + tids, num_frames, reason, + more_data); + trace_drv_return_void(local); +} +#endif /* __MAC80211_DRIVER_OPS */ |