diff options
Diffstat (limited to 'drivers/net/wireless/iwlwifi/mvm/time-event.c')
-rw-r--r-- | drivers/net/wireless/iwlwifi/mvm/time-event.c | 103 |
1 files changed, 75 insertions, 28 deletions
diff --git a/drivers/net/wireless/iwlwifi/mvm/time-event.c b/drivers/net/wireless/iwlwifi/mvm/time-event.c index 7fd6fbfbc1b..c17b74c3139 100644 --- a/drivers/net/wireless/iwlwifi/mvm/time-event.c +++ b/drivers/net/wireless/iwlwifi/mvm/time-event.c @@ -73,7 +73,6 @@ #include "iwl-prph.h" /* A TimeUnit is 1024 microsecond */ -#define TU_TO_JIFFIES(_tu) (usecs_to_jiffies((_tu) * 1024)) #define MSEC_TO_TU(_msec) (_msec*1000/1024) /* @@ -185,7 +184,7 @@ static void iwl_mvm_te_handle_notif(struct iwl_mvm *mvm, } } - if (le32_to_cpu(notif->action) & TE_NOTIF_HOST_EVENT_END) { + if (le32_to_cpu(notif->action) & TE_V2_NOTIF_HOST_EVENT_END) { IWL_DEBUG_TE(mvm, "TE ended - current time %lu, estimated end %lu\n", jiffies, te_data->end_jiffies); @@ -202,10 +201,9 @@ static void iwl_mvm_te_handle_notif(struct iwl_mvm *mvm, iwl_mvm_te_check_disconnect(mvm, te_data->vif, "No assocation and the time event is over already..."); iwl_mvm_te_clear_data(mvm, te_data); - } else if (le32_to_cpu(notif->action) & TE_NOTIF_HOST_EVENT_START) { + } else if (le32_to_cpu(notif->action) & TE_V2_NOTIF_HOST_EVENT_START) { te_data->running = true; - te_data->end_jiffies = jiffies + - TU_TO_JIFFIES(te_data->duration); + te_data->end_jiffies = TU_TO_EXP_TIME(te_data->duration); if (te_data->vif->type == NL80211_IFTYPE_P2P_DEVICE) { set_bit(IWL_MVM_STATUS_ROC_RUNNING, &mvm->status); @@ -270,10 +268,67 @@ static bool iwl_mvm_time_event_response(struct iwl_notif_wait_data *notif_wait, return true; } +/* used to convert from time event API v2 to v1 */ +#define TE_V2_DEP_POLICY_MSK (TE_V2_DEP_OTHER | TE_V2_DEP_TSF |\ + TE_V2_EVENT_SOCIOPATHIC) +static inline u16 te_v2_get_notify(__le16 policy) +{ + return le16_to_cpu(policy) & TE_V2_NOTIF_MSK; +} + +static inline u16 te_v2_get_dep_policy(__le16 policy) +{ + return (le16_to_cpu(policy) & TE_V2_DEP_POLICY_MSK) >> + TE_V2_PLACEMENT_POS; +} + +static inline u16 te_v2_get_absence(__le16 policy) +{ + return (le16_to_cpu(policy) & TE_V2_ABSENCE) >> TE_V2_ABSENCE_POS; +} + +static void iwl_mvm_te_v2_to_v1(const struct iwl_time_event_cmd_v2 *cmd_v2, + struct iwl_time_event_cmd_v1 *cmd_v1) +{ + cmd_v1->id_and_color = cmd_v2->id_and_color; + cmd_v1->action = cmd_v2->action; + cmd_v1->id = cmd_v2->id; + cmd_v1->apply_time = cmd_v2->apply_time; + cmd_v1->max_delay = cmd_v2->max_delay; + cmd_v1->depends_on = cmd_v2->depends_on; + cmd_v1->interval = cmd_v2->interval; + cmd_v1->duration = cmd_v2->duration; + if (cmd_v2->repeat == TE_V2_REPEAT_ENDLESS) + cmd_v1->repeat = cpu_to_le32(TE_V1_REPEAT_ENDLESS); + else + cmd_v1->repeat = cpu_to_le32(cmd_v2->repeat); + cmd_v1->max_frags = cpu_to_le32(cmd_v2->max_frags); + cmd_v1->interval_reciprocal = 0; /* unused */ + + cmd_v1->dep_policy = cpu_to_le32(te_v2_get_dep_policy(cmd_v2->policy)); + cmd_v1->is_present = cpu_to_le32(!te_v2_get_absence(cmd_v2->policy)); + cmd_v1->notify = cpu_to_le32(te_v2_get_notify(cmd_v2->policy)); +} + +static int iwl_mvm_send_time_event_cmd(struct iwl_mvm *mvm, + const struct iwl_time_event_cmd_v2 *cmd) +{ + struct iwl_time_event_cmd_v1 cmd_v1; + + if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_TIME_EVENT_API_V2) + return iwl_mvm_send_cmd_pdu(mvm, TIME_EVENT_CMD, CMD_SYNC, + sizeof(*cmd), cmd); + + iwl_mvm_te_v2_to_v1(cmd, &cmd_v1); + return iwl_mvm_send_cmd_pdu(mvm, TIME_EVENT_CMD, CMD_SYNC, + sizeof(cmd_v1), &cmd_v1); +} + + static int iwl_mvm_time_event_send_add(struct iwl_mvm *mvm, struct ieee80211_vif *vif, struct iwl_mvm_time_event_data *te_data, - struct iwl_time_event_cmd *te_cmd) + struct iwl_time_event_cmd_v2 *te_cmd) { static const u8 time_event_response[] = { TIME_EVENT_CMD }; struct iwl_notification_wait wait_time_event; @@ -309,8 +364,7 @@ static int iwl_mvm_time_event_send_add(struct iwl_mvm *mvm, ARRAY_SIZE(time_event_response), iwl_mvm_time_event_response, te_data); - ret = iwl_mvm_send_cmd_pdu(mvm, TIME_EVENT_CMD, CMD_SYNC, - sizeof(*te_cmd), te_cmd); + ret = iwl_mvm_send_time_event_cmd(mvm, te_cmd); if (ret) { IWL_ERR(mvm, "Couldn't send TIME_EVENT_CMD: %d\n", ret); iwl_remove_notification(&mvm->notif_wait, &wait_time_event); @@ -337,13 +391,12 @@ void iwl_mvm_protect_session(struct iwl_mvm *mvm, { struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); struct iwl_mvm_time_event_data *te_data = &mvmvif->time_event_data; - struct iwl_time_event_cmd time_cmd = {}; + struct iwl_time_event_cmd_v2 time_cmd = {}; lockdep_assert_held(&mvm->mutex); if (te_data->running && - time_after(te_data->end_jiffies, - jiffies + TU_TO_JIFFIES(min_duration))) { + time_after(te_data->end_jiffies, TU_TO_EXP_TIME(min_duration))) { IWL_DEBUG_TE(mvm, "We have enough time in the current TE: %u\n", jiffies_to_msecs(te_data->end_jiffies - jiffies)); return; @@ -372,17 +425,14 @@ void iwl_mvm_protect_session(struct iwl_mvm *mvm, time_cmd.apply_time = cpu_to_le32(iwl_read_prph(mvm->trans, DEVICE_SYSTEM_TIME_REG)); - time_cmd.dep_policy = TE_INDEPENDENT; - time_cmd.is_present = cpu_to_le32(1); - time_cmd.max_frags = cpu_to_le32(TE_FRAG_NONE); + time_cmd.max_frags = TE_V2_FRAG_NONE; time_cmd.max_delay = cpu_to_le32(500); /* TODO: why do we need to interval = bi if it is not periodic? */ time_cmd.interval = cpu_to_le32(1); - time_cmd.interval_reciprocal = cpu_to_le32(iwl_mvm_reciprocal(1)); time_cmd.duration = cpu_to_le32(duration); - time_cmd.repeat = cpu_to_le32(1); - time_cmd.notify = cpu_to_le32(TE_NOTIF_HOST_EVENT_START | - TE_NOTIF_HOST_EVENT_END); + time_cmd.repeat = 1; + time_cmd.policy = cpu_to_le16(TE_V2_NOTIF_HOST_EVENT_START | + TE_V2_NOTIF_HOST_EVENT_END); iwl_mvm_time_event_send_add(mvm, vif, te_data, &time_cmd); } @@ -396,7 +446,7 @@ void iwl_mvm_remove_time_event(struct iwl_mvm *mvm, struct iwl_mvm_vif *mvmvif, struct iwl_mvm_time_event_data *te_data) { - struct iwl_time_event_cmd time_cmd = {}; + struct iwl_time_event_cmd_v2 time_cmd = {}; u32 id, uid; int ret; @@ -433,8 +483,7 @@ void iwl_mvm_remove_time_event(struct iwl_mvm *mvm, cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, mvmvif->color)); IWL_DEBUG_TE(mvm, "Removing TE 0x%x\n", le32_to_cpu(time_cmd.id)); - ret = iwl_mvm_send_cmd_pdu(mvm, TIME_EVENT_CMD, CMD_SYNC, - sizeof(time_cmd), &time_cmd); + ret = iwl_mvm_send_time_event_cmd(mvm, &time_cmd); if (WARN_ON(ret)) return; } @@ -454,7 +503,7 @@ int iwl_mvm_start_p2p_roc(struct iwl_mvm *mvm, struct ieee80211_vif *vif, { struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); struct iwl_mvm_time_event_data *te_data = &mvmvif->time_event_data; - struct iwl_time_event_cmd time_cmd = {}; + struct iwl_time_event_cmd_v2 time_cmd = {}; lockdep_assert_held(&mvm->mutex); if (te_data->running) { @@ -485,8 +534,6 @@ int iwl_mvm_start_p2p_roc(struct iwl_mvm *mvm, struct ieee80211_vif *vif, } time_cmd.apply_time = cpu_to_le32(0); - time_cmd.dep_policy = cpu_to_le32(TE_INDEPENDENT); - time_cmd.is_present = cpu_to_le32(1); time_cmd.interval = cpu_to_le32(1); /* @@ -495,12 +542,12 @@ int iwl_mvm_start_p2p_roc(struct iwl_mvm *mvm, struct ieee80211_vif *vif, * scheduled. To improve the chances of it being scheduled, allow them * to be fragmented, and in addition allow them to be delayed. */ - time_cmd.max_frags = cpu_to_le32(MSEC_TO_TU(duration)/20); + time_cmd.max_frags = min(MSEC_TO_TU(duration)/50, TE_V2_FRAG_ENDLESS); time_cmd.max_delay = cpu_to_le32(MSEC_TO_TU(duration/2)); time_cmd.duration = cpu_to_le32(MSEC_TO_TU(duration)); - time_cmd.repeat = cpu_to_le32(1); - time_cmd.notify = cpu_to_le32(TE_NOTIF_HOST_EVENT_START | - TE_NOTIF_HOST_EVENT_END); + time_cmd.repeat = 1; + time_cmd.policy = cpu_to_le16(TE_V2_NOTIF_HOST_EVENT_START | + TE_V2_NOTIF_HOST_EVENT_END); return iwl_mvm_time_event_send_add(mvm, vif, te_data, &time_cmd); } |