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path: root/drivers/net/wireless/iwlwifi/mvm/time-event.c
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Diffstat (limited to 'drivers/net/wireless/iwlwifi/mvm/time-event.c')
-rw-r--r--drivers/net/wireless/iwlwifi/mvm/time-event.c99
1 files changed, 26 insertions, 73 deletions
diff --git a/drivers/net/wireless/iwlwifi/mvm/time-event.c b/drivers/net/wireless/iwlwifi/mvm/time-event.c
index 76a3c177e10..80100f6cc12 100644
--- a/drivers/net/wireless/iwlwifi/mvm/time-event.c
+++ b/drivers/net/wireless/iwlwifi/mvm/time-event.c
@@ -5,7 +5,7 @@
*
* GPL LICENSE SUMMARY
*
- * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved.
+ * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
@@ -30,7 +30,7 @@
*
* BSD LICENSE
*
- * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved.
+ * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -126,6 +126,7 @@ static void iwl_mvm_roc_finished(struct iwl_mvm *mvm)
* in iwl_mvm_te_handle_notif).
*/
clear_bit(IWL_MVM_STATUS_ROC_RUNNING, &mvm->status);
+ iwl_mvm_unref(mvm, IWL_MVM_REF_ROC);
/*
* Of course, our status bit is just as racy as mac80211, so in
@@ -176,8 +177,11 @@ static void iwl_mvm_te_handle_notif(struct iwl_mvm *mvm,
* P2P Device discoveribility, while there are other higher priority
* events in the system).
*/
- if (WARN_ONCE(!le32_to_cpu(notif->status),
- "Failed to schedule time event\n")) {
+ if (!le32_to_cpu(notif->status)) {
+ bool start = le32_to_cpu(notif->action) &
+ TE_V2_NOTIF_HOST_EVENT_START;
+ IWL_WARN(mvm, "Time Event %s notification failure\n",
+ start ? "start" : "end");
if (iwl_mvm_te_check_disconnect(mvm, te_data->vif, NULL)) {
iwl_mvm_te_clear_data(mvm, te_data);
return;
@@ -207,6 +211,7 @@ static void iwl_mvm_te_handle_notif(struct iwl_mvm *mvm,
if (te_data->vif->type == NL80211_IFTYPE_P2P_DEVICE) {
set_bit(IWL_MVM_STATUS_ROC_RUNNING, &mvm->status);
+ iwl_mvm_ref(mvm, IWL_MVM_REF_ROC);
ieee80211_ready_on_channel(mvm->hw);
}
} else {
@@ -246,12 +251,12 @@ static bool iwl_mvm_time_event_response(struct iwl_notif_wait_data *notif_wait,
container_of(notif_wait, struct iwl_mvm, notif_wait);
struct iwl_mvm_time_event_data *te_data = data;
struct iwl_time_event_resp *resp;
- int resp_len = le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK;
+ int resp_len = iwl_rx_packet_payload_len(pkt);
if (WARN_ON(pkt->hdr.cmd != TIME_EVENT_CMD))
return true;
- if (WARN_ON_ONCE(resp_len != sizeof(pkt->hdr) + sizeof(*resp))) {
+ if (WARN_ON_ONCE(resp_len != sizeof(*resp))) {
IWL_ERR(mvm, "Invalid TIME_EVENT_CMD response\n");
return true;
}
@@ -268,67 +273,10 @@ 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_v2 *te_cmd)
+ struct iwl_time_event_cmd *te_cmd)
{
static const u8 time_event_response[] = { TIME_EVENT_CMD };
struct iwl_notification_wait wait_time_event;
@@ -364,7 +312,8 @@ 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_time_event_cmd(mvm, te_cmd);
+ ret = iwl_mvm_send_cmd_pdu(mvm, TIME_EVENT_CMD, 0,
+ sizeof(*te_cmd), 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);
@@ -387,11 +336,12 @@ static int iwl_mvm_time_event_send_add(struct iwl_mvm *mvm,
void iwl_mvm_protect_session(struct iwl_mvm *mvm,
struct ieee80211_vif *vif,
- u32 duration, u32 min_duration)
+ u32 duration, u32 min_duration,
+ u32 max_delay)
{
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_v2 time_cmd = {};
+ struct iwl_time_event_cmd time_cmd = {};
lockdep_assert_held(&mvm->mutex);
@@ -426,13 +376,14 @@ void iwl_mvm_protect_session(struct iwl_mvm *mvm,
cpu_to_le32(iwl_read_prph(mvm->trans, DEVICE_SYSTEM_TIME_REG));
time_cmd.max_frags = TE_V2_FRAG_NONE;
- time_cmd.max_delay = cpu_to_le32(500);
+ time_cmd.max_delay = cpu_to_le32(max_delay);
/* TODO: why do we need to interval = bi if it is not periodic? */
time_cmd.interval = cpu_to_le32(1);
time_cmd.duration = cpu_to_le32(duration);
time_cmd.repeat = 1;
time_cmd.policy = cpu_to_le16(TE_V2_NOTIF_HOST_EVENT_START |
- TE_V2_NOTIF_HOST_EVENT_END);
+ TE_V2_NOTIF_HOST_EVENT_END |
+ T2_V2_START_IMMEDIATELY);
iwl_mvm_time_event_send_add(mvm, vif, te_data, &time_cmd);
}
@@ -446,7 +397,7 @@ 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_v2 time_cmd = {};
+ struct iwl_time_event_cmd time_cmd = {};
u32 id, uid;
int ret;
@@ -483,7 +434,8 @@ 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_time_event_cmd(mvm, &time_cmd);
+ ret = iwl_mvm_send_cmd_pdu(mvm, TIME_EVENT_CMD, 0,
+ sizeof(time_cmd), &time_cmd);
if (WARN_ON(ret))
return;
}
@@ -503,7 +455,7 @@ 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_v2 time_cmd = {};
+ struct iwl_time_event_cmd time_cmd = {};
lockdep_assert_held(&mvm->mutex);
if (te_data->running) {
@@ -547,7 +499,8 @@ int iwl_mvm_start_p2p_roc(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
time_cmd.duration = cpu_to_le32(MSEC_TO_TU(duration));
time_cmd.repeat = 1;
time_cmd.policy = cpu_to_le16(TE_V2_NOTIF_HOST_EVENT_START |
- TE_V2_NOTIF_HOST_EVENT_END);
+ TE_V2_NOTIF_HOST_EVENT_END |
+ T2_V2_START_IMMEDIATELY);
return iwl_mvm_time_event_send_add(mvm, vif, te_data, &time_cmd);
}