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path: root/drivers/net/wireless/intel/iwlwifi/mvm/d3.c
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Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/d3.c')
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/d3.c384
1 files changed, 45 insertions, 339 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/d3.c b/drivers/net/wireless/intel/iwlwifi/mvm/d3.c
index 029c846a236f..07f1a84c274e 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/d3.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/d3.c
@@ -928,6 +928,10 @@ iwl_mvm_get_wowlan_config(struct iwl_mvm *mvm,
if (ap_sta->mfp)
wowlan_config_cmd->flags |= IS_11W_ASSOC;
+ if (rcu_access_pointer(mvmvif->bcn_prot.keys[0]) ||
+ rcu_access_pointer(mvmvif->bcn_prot.keys[1]))
+ wowlan_config_cmd->flags |= HAS_BEACON_PROTECTION;
+
if (iwl_fw_lookup_cmd_ver(mvm->fw, WOWLAN_CONFIGURATION, 0) < 6) {
/* Query the last used seqno and set it */
int ret = iwl_mvm_get_last_nonqos_seq(mvm, vif);
@@ -1238,15 +1242,14 @@ static void iwl_mvm_free_nd(struct iwl_mvm *mvm)
}
static int __iwl_mvm_suspend(struct ieee80211_hw *hw,
- struct cfg80211_wowlan *wowlan,
- bool test)
+ struct cfg80211_wowlan *wowlan)
{
struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
struct ieee80211_vif *vif = NULL;
struct iwl_mvm_vif *mvmvif = NULL;
struct ieee80211_sta *ap_sta = NULL;
struct iwl_mvm_vif_link_info *mvm_link;
- struct iwl_d3_manager_config d3_cfg_cmd_data = {
+ struct iwl_d3_manager_config d3_cfg_cmd = {
/*
* Program the minimum sleep time to 10 seconds, as many
* platforms have issues processing a wakeup signal while
@@ -1254,23 +1257,14 @@ static int __iwl_mvm_suspend(struct ieee80211_hw *hw,
*/
.min_sleep_time = cpu_to_le32(10 * 1000 * 1000),
};
- struct iwl_host_cmd d3_cfg_cmd = {
- .id = D3_CONFIG_CMD,
- .flags = CMD_WANT_SKB,
- .data[0] = &d3_cfg_cmd_data,
- .len[0] = sizeof(d3_cfg_cmd_data),
- };
int ret;
int len __maybe_unused;
bool unified_image = fw_has_capa(&mvm->fw->ucode_capa,
IWL_UCODE_TLV_CAPA_CNSLDTD_D3_D0_IMG);
if (!wowlan) {
- /*
- * mac80211 shouldn't get here, but for D3 test
- * it doesn't warrant a warning
- */
- WARN_ON(!test);
+ /* mac80211 shouldn't get here */
+ WARN_ON(1);
return -EINVAL;
}
@@ -1278,10 +1272,6 @@ static int __iwl_mvm_suspend(struct ieee80211_hw *hw,
if (IS_ERR_OR_NULL(vif))
return 1;
- ret = iwl_mvm_block_esr_sync(mvm, vif, IWL_MVM_ESR_BLOCKED_WOWLAN);
- if (ret)
- return ret;
-
mutex_lock(&mvm->mutex);
set_bit(IWL_MVM_STATUS_IN_D3, &mvm->status);
@@ -1351,7 +1341,7 @@ static int __iwl_mvm_suspend(struct ieee80211_hw *hw,
#ifdef CONFIG_IWLWIFI_DEBUGFS
if (mvm->d3_wake_sysassert)
- d3_cfg_cmd_data.wakeup_flags |=
+ d3_cfg_cmd.wakeup_flags |=
cpu_to_le32(IWL_WAKEUP_D3_CONFIG_FW_ERROR);
#endif
@@ -1364,21 +1354,14 @@ static int __iwl_mvm_suspend(struct ieee80211_hw *hw,
iwl_fw_dbg_stop_restart_recording(&mvm->fwrt, NULL, true);
/* must be last -- this switches firmware state */
- ret = iwl_mvm_send_cmd(mvm, &d3_cfg_cmd);
+ ret = iwl_mvm_send_cmd_pdu(mvm, D3_CONFIG_CMD, 0, sizeof(d3_cfg_cmd),
+ &d3_cfg_cmd);
if (ret)
goto out;
-#ifdef CONFIG_IWLWIFI_DEBUGFS
- len = iwl_rx_packet_payload_len(d3_cfg_cmd.resp_pkt);
- if (len >= sizeof(u32)) {
- mvm->d3_test_pme_ptr =
- le32_to_cpup((__le32 *)d3_cfg_cmd.resp_pkt->data);
- }
-#endif
- iwl_free_resp(&d3_cfg_cmd);
clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status);
- ret = iwl_trans_d3_suspend(mvm->trans, test, !unified_image);
+ ret = iwl_trans_d3_suspend(mvm->trans, !unified_image);
out:
if (ret < 0) {
iwl_mvm_free_nd(mvm);
@@ -1401,7 +1384,7 @@ int iwl_mvm_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan)
iwl_fw_runtime_suspend(&mvm->fwrt);
mutex_unlock(&mvm->mutex);
- return __iwl_mvm_suspend(hw, wowlan, false);
+ return __iwl_mvm_suspend(hw, wowlan);
}
struct iwl_multicast_key_data {
@@ -1794,63 +1777,8 @@ static void iwl_mvm_set_key_rx_seq(struct ieee80211_key_conf *key,
struct iwl_mvm_d3_gtk_iter_data {
struct iwl_mvm *mvm;
struct iwl_wowlan_status_data *status;
- u32 gtk_cipher, igtk_cipher, bigtk_cipher;
- bool unhandled_cipher, igtk_support, bigtk_support;
- int num_keys;
};
-static void iwl_mvm_d3_find_last_keys(struct ieee80211_hw *hw,
- struct ieee80211_vif *vif,
- struct ieee80211_sta *sta,
- struct ieee80211_key_conf *key,
- void *_data)
-{
- struct iwl_mvm_d3_gtk_iter_data *data = _data;
- int link_id = vif->active_links ? __ffs(vif->active_links) : -1;
-
- if (link_id >= 0 && key->link_id >= 0 && link_id != key->link_id)
- return;
-
- if (data->unhandled_cipher)
- return;
-
- switch (key->cipher) {
- case WLAN_CIPHER_SUITE_WEP40:
- case WLAN_CIPHER_SUITE_WEP104:
- /* ignore WEP completely, nothing to do */
- return;
- case WLAN_CIPHER_SUITE_CCMP:
- case WLAN_CIPHER_SUITE_GCMP:
- case WLAN_CIPHER_SUITE_GCMP_256:
- case WLAN_CIPHER_SUITE_TKIP:
- /* we support these */
- data->gtk_cipher = key->cipher;
- break;
- case WLAN_CIPHER_SUITE_BIP_GMAC_128:
- case WLAN_CIPHER_SUITE_BIP_GMAC_256:
- case WLAN_CIPHER_SUITE_BIP_CMAC_256:
- case WLAN_CIPHER_SUITE_AES_CMAC:
- /* we support these */
- if (data->igtk_support &&
- (key->keyidx == 4 || key->keyidx == 5)) {
- data->igtk_cipher = key->cipher;
- } else if (data->bigtk_support &&
- (key->keyidx == 6 || key->keyidx == 7)) {
- data->bigtk_cipher = key->cipher;
- } else {
- data->unhandled_cipher = true;
- return;
- }
- break;
- default:
- /* everything else - disconnect from AP */
- data->unhandled_cipher = true;
- return;
- }
-
- data->num_keys++;
-}
-
static void
iwl_mvm_d3_set_igtk_bigtk_ipn(const struct iwl_multicast_key_data *key,
struct ieee80211_key_seq *seq, u32 cipher)
@@ -1896,9 +1824,6 @@ static void iwl_mvm_d3_update_keys(struct ieee80211_hw *hw,
if (link_id >= 0 && key->link_id >= 0 && link_id != key->link_id)
return;
- if (data->unhandled_cipher)
- return;
-
switch (key->cipher) {
case WLAN_CIPHER_SUITE_WEP40:
case WLAN_CIPHER_SUITE_WEP104:
@@ -1947,52 +1872,24 @@ static void iwl_mvm_d3_update_keys(struct ieee80211_hw *hw,
static bool iwl_mvm_gtk_rekey(struct iwl_wowlan_status_data *status,
struct ieee80211_vif *vif,
- struct iwl_mvm *mvm, u32 gtk_cipher)
+ struct iwl_mvm *mvm)
{
int i, j;
struct ieee80211_key_conf *key;
- DEFINE_RAW_FLEX(struct ieee80211_key_conf, conf, key,
- WOWLAN_KEY_MAX_SIZE);
int link_id = vif->active_links ? __ffs(vif->active_links) : -1;
- u8 key_data[WOWLAN_KEY_MAX_SIZE];
-
- conf->cipher = gtk_cipher;
-
- BUILD_BUG_ON(WLAN_KEY_LEN_CCMP != WLAN_KEY_LEN_GCMP);
- BUILD_BUG_ON(WOWLAN_KEY_MAX_SIZE < WLAN_KEY_LEN_CCMP);
- BUILD_BUG_ON(WOWLAN_KEY_MAX_SIZE < WLAN_KEY_LEN_GCMP_256);
- BUILD_BUG_ON(WOWLAN_KEY_MAX_SIZE < WLAN_KEY_LEN_TKIP);
- BUILD_BUG_ON(WOWLAN_KEY_MAX_SIZE < sizeof(status->gtk[0].key));
-
- switch (gtk_cipher) {
- case WLAN_CIPHER_SUITE_CCMP:
- case WLAN_CIPHER_SUITE_GCMP:
- conf->keylen = WLAN_KEY_LEN_CCMP;
- break;
- case WLAN_CIPHER_SUITE_GCMP_256:
- conf->keylen = WLAN_KEY_LEN_GCMP_256;
- break;
- case WLAN_CIPHER_SUITE_TKIP:
- conf->keylen = WLAN_KEY_LEN_TKIP;
- break;
- default:
- WARN_ON(1);
- }
for (i = 0; i < ARRAY_SIZE(status->gtk); i++) {
if (!status->gtk[i].len)
continue;
- conf->keyidx = status->gtk[i].id;
IWL_DEBUG_WOWLAN(mvm,
- "Received from FW GTK cipher %d, key index %d\n",
- conf->cipher, conf->keyidx);
- memcpy(conf->key, status->gtk[i].key,
- sizeof(status->gtk[i].key));
- memcpy(key_data, status->gtk[i].key, sizeof(status->gtk[i].key));
-
- key = ieee80211_gtk_rekey_add(vif, status->gtk[i].id, key_data,
- sizeof(key_data), link_id);
+ "Received from FW GTK: key index %d\n",
+ status->gtk[i].id);
+
+ key = ieee80211_gtk_rekey_add(vif, status->gtk[i].id,
+ status->gtk[i].key,
+ sizeof(status->gtk[i].key),
+ link_id);
if (IS_ERR(key)) {
/* FW may send also the old keys */
if (PTR_ERR(key) == -EALREADY)
@@ -2015,53 +1912,26 @@ static bool iwl_mvm_gtk_rekey(struct iwl_wowlan_status_data *status,
static bool
iwl_mvm_d3_igtk_bigtk_rekey_add(struct iwl_wowlan_status_data *status,
- struct ieee80211_vif *vif, u32 cipher,
+ struct ieee80211_vif *vif,
struct iwl_multicast_key_data *key_data)
{
struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
- DEFINE_RAW_FLEX(struct ieee80211_key_conf, conf, key,
- WOWLAN_KEY_MAX_SIZE);
struct ieee80211_key_conf *key_config;
struct ieee80211_key_seq seq;
int link_id = vif->active_links ? __ffs(vif->active_links) : -1;
- u8 key[WOWLAN_KEY_MAX_SIZE];
s8 keyidx = key_data->id;
- conf->cipher = cipher;
- conf->keyidx = keyidx;
-
if (!key_data->len)
return true;
- iwl_mvm_d3_set_igtk_bigtk_ipn(key_data, &seq, conf->cipher);
-
- switch (cipher) {
- case WLAN_CIPHER_SUITE_BIP_GMAC_128:
- conf->keylen = WLAN_KEY_LEN_BIP_GMAC_128;
- break;
- case WLAN_CIPHER_SUITE_BIP_GMAC_256:
- conf->keylen = WLAN_KEY_LEN_BIP_GMAC_256;
- break;
- case WLAN_CIPHER_SUITE_AES_CMAC:
- conf->keylen = WLAN_KEY_LEN_AES_CMAC;
- break;
- case WLAN_CIPHER_SUITE_BIP_CMAC_256:
- conf->keylen = WLAN_KEY_LEN_BIP_CMAC_256;
- break;
- default:
- WARN_ON(1);
- }
- BUILD_BUG_ON(WOWLAN_KEY_MAX_SIZE < sizeof(key_data->key));
- memcpy(conf->key, key_data->key, conf->keylen);
-
- memcpy(key, key_data->key, sizeof(key_data->key));
-
- key_config = ieee80211_gtk_rekey_add(vif, keyidx, key, sizeof(key),
- link_id);
+ key_config = ieee80211_gtk_rekey_add(vif, keyidx, key_data->key,
+ sizeof(key_data->key), link_id);
if (IS_ERR(key_config)) {
/* FW may send also the old keys */
return PTR_ERR(key_config) == -EALREADY;
}
+
+ iwl_mvm_d3_set_igtk_bigtk_ipn(key_data, &seq, key_config->cipher);
ieee80211_set_key_rx_seq(key_config, 0, &seq);
if (keyidx == 4 || keyidx == 5) {
@@ -2115,27 +1985,6 @@ static bool iwl_mvm_setup_connection_keep(struct iwl_mvm *mvm,
if (!status || !vif->bss_conf.bssid)
return false;
-
- if (iwl_mvm_lookup_wowlan_status_ver(mvm) > 6 ||
- iwl_fw_lookup_notif_ver(mvm->fw, PROT_OFFLOAD_GROUP,
- WOWLAN_INFO_NOTIFICATION,
- 0))
- gtkdata.igtk_support = true;
-
- if (iwl_fw_lookup_notif_ver(mvm->fw, PROT_OFFLOAD_GROUP,
- WOWLAN_INFO_NOTIFICATION,
- 0) >= 3)
- gtkdata.bigtk_support = true;
-
- /* find last GTK that we used initially, if any */
- ieee80211_iter_keys(mvm->hw, vif,
- iwl_mvm_d3_find_last_keys, &gtkdata);
- /* not trying to keep connections with MFP/unhandled ciphers */
- if (gtkdata.unhandled_cipher)
- return false;
- if (!gtkdata.num_keys)
- goto out;
-
/*
* invalidate all other GTKs that might still exist and update
* the one that we used
@@ -2149,17 +1998,15 @@ static bool iwl_mvm_setup_connection_keep(struct iwl_mvm *mvm,
IWL_DEBUG_WOWLAN(mvm, "num of GTK rekeying %d\n",
status->num_of_gtk_rekeys);
- if (!iwl_mvm_gtk_rekey(status, vif, mvm, gtkdata.gtk_cipher))
+ if (!iwl_mvm_gtk_rekey(status, vif, mvm))
return false;
if (!iwl_mvm_d3_igtk_bigtk_rekey_add(status, vif,
- gtkdata.igtk_cipher,
&status->igtk))
return false;
for (i = 0; i < ARRAY_SIZE(status->bigtk); i++) {
if (!iwl_mvm_d3_igtk_bigtk_rekey_add(status, vif,
- gtkdata.bigtk_cipher,
&status->bigtk[i]))
return false;
}
@@ -2168,7 +2015,6 @@ static bool iwl_mvm_setup_connection_keep(struct iwl_mvm *mvm,
(void *)&replay_ctr, GFP_KERNEL);
}
-out:
if (iwl_fw_lookup_notif_ver(mvm->fw, LONG_GROUP,
WOWLAN_GET_STATUSES,
IWL_FW_CMD_VER_UNKNOWN) < 10) {
@@ -2236,7 +2082,7 @@ static void iwl_mvm_convert_gtk_v3(struct iwl_wowlan_status_data *status,
}
static void iwl_mvm_convert_igtk(struct iwl_wowlan_status_data *status,
- struct iwl_wowlan_igtk_status *data)
+ struct iwl_wowlan_igtk_status_v1 *data)
{
int i;
@@ -2260,7 +2106,7 @@ static void iwl_mvm_convert_igtk(struct iwl_wowlan_status_data *status,
}
static void iwl_mvm_convert_bigtk(struct iwl_wowlan_status_data *status,
- const struct iwl_wowlan_igtk_status *data)
+ const struct iwl_wowlan_igtk_status_v1 *data)
{
int data_idx, status_idx = 0;
@@ -2291,7 +2137,7 @@ static void iwl_mvm_convert_bigtk(struct iwl_wowlan_status_data *status,
}
static void iwl_mvm_parse_wowlan_info_notif(struct iwl_mvm *mvm,
- struct iwl_wowlan_info_notif *data,
+ struct iwl_wowlan_info_notif_v5 *data,
struct iwl_wowlan_status_data *status,
u32 len)
{
@@ -2727,7 +2573,6 @@ enum iwl_d3_notif {
/* manage d3 resume data */
struct iwl_d3_data {
struct iwl_wowlan_status_data *status;
- bool test;
u32 d3_end_flags;
u32 notif_expected; /* bitmap - see &enum iwl_d3_notif */
u32 notif_received; /* bitmap - see &enum iwl_d3_notif */
@@ -2919,18 +2764,11 @@ iwl_mvm_choose_query_wakeup_reasons(struct iwl_mvm *mvm,
if (mvm->net_detect) {
iwl_mvm_query_netdetect_reasons(mvm, vif, d3_data);
- } else {
- bool keep = iwl_mvm_query_wakeup_reasons(mvm, vif,
- d3_data->status);
-
-#ifdef CONFIG_IWLWIFI_DEBUGFS
- if (keep)
- mvm->keep_vif = vif;
-#endif
-
- return keep;
+ return false;
}
- return false;
+
+ return iwl_mvm_query_wakeup_reasons(mvm, vif,
+ d3_data->status);
}
#define IWL_WOWLAN_WAKEUP_REASON_HAS_WAKEUP_PKT (IWL_WOWLAN_WAKEUP_BY_MAGIC_PACKET | \
@@ -3069,7 +2907,7 @@ static bool iwl_mvm_wait_d3_notif(struct iwl_notif_wait_data *notif_wait,
iwl_mvm_parse_wowlan_info_notif_v3(mvm, notif,
d3_data->status, len);
} else if (wowlan_info_ver == 5) {
- struct iwl_wowlan_info_notif *notif =
+ struct iwl_wowlan_info_notif_v5 *notif =
(void *)pkt->data;
iwl_mvm_parse_wowlan_info_notif(mvm, notif,
@@ -3143,10 +2981,9 @@ static bool iwl_mvm_wait_d3_notif(struct iwl_notif_wait_data *notif_wait,
return d3_data->notif_received == d3_data->notif_expected;
}
-static int iwl_mvm_resume_firmware(struct iwl_mvm *mvm, bool test)
+static int iwl_mvm_resume_firmware(struct iwl_mvm *mvm)
{
int ret;
- enum iwl_d3_status d3_status;
struct iwl_host_cmd cmd = {
.id = D0I3_END_CMD,
.flags = CMD_WANT_SKB,
@@ -3154,15 +2991,10 @@ static int iwl_mvm_resume_firmware(struct iwl_mvm *mvm, bool test)
bool reset = fw_has_capa(&mvm->fw->ucode_capa,
IWL_UCODE_TLV_CAPA_CNSLDTD_D3_D0_IMG);
- ret = iwl_trans_d3_resume(mvm->trans, &d3_status, test, !reset);
+ ret = iwl_trans_d3_resume(mvm->trans, !reset);
if (ret)
return ret;
- if (d3_status != IWL_D3_STATUS_ALIVE) {
- IWL_INFO(mvm, "Device was reset during suspend\n");
- return -ENOENT;
- }
-
/*
* We should trigger resume flow using command only for 22000 family
* AX210 and above don't need the command since they have
@@ -3207,7 +3039,7 @@ static int iwl_mvm_d3_notif_wait(struct iwl_mvm *mvm,
ARRAY_SIZE(d3_resume_notif),
iwl_mvm_wait_d3_notif, d3_data);
- ret = iwl_mvm_resume_firmware(mvm, d3_data->test);
+ ret = iwl_mvm_resume_firmware(mvm);
if (ret) {
iwl_remove_notification(&mvm->notif_wait, &wait_d3_notif);
return ret;
@@ -3227,13 +3059,12 @@ static inline bool iwl_mvm_d3_resume_notif_based(struct iwl_mvm *mvm)
D3_END_NOTIFICATION, 0);
}
-static int __iwl_mvm_resume(struct iwl_mvm *mvm, bool test)
+static int __iwl_mvm_resume(struct iwl_mvm *mvm)
{
struct ieee80211_vif *vif = NULL;
int ret = 1;
struct iwl_mvm_nd_results results = {};
struct iwl_d3_data d3_data = {
- .test = test,
.notif_expected =
IWL_D3_NOTIF_WOWLAN_INFO |
IWL_D3_NOTIF_D3_END_NOTIF,
@@ -3271,7 +3102,7 @@ static int __iwl_mvm_resume(struct iwl_mvm *mvm, bool test)
rt_status = iwl_mvm_check_rt_status(mvm, vif);
if (rt_status != FW_ALIVE) {
- set_bit(STATUS_FW_ERROR, &mvm->trans->status);
+ iwl_trans_notify_fw_error(mvm->trans);
if (rt_status == FW_ERROR) {
IWL_ERR(mvm, "FW Error occurred during suspend. Restarting.\n");
iwl_mvm_dump_nic_error_log(mvm);
@@ -3298,13 +3129,11 @@ static int __iwl_mvm_resume(struct iwl_mvm *mvm, bool test)
if (ret)
goto err;
} else {
- ret = iwl_mvm_resume_firmware(mvm, test);
+ ret = iwl_mvm_resume_firmware(mvm);
if (ret < 0)
goto err;
}
- iwl_mvm_unblock_esr(mvm, vif, IWL_MVM_ESR_BLOCKED_WOWLAN);
-
/* when reset is required we can't send these following commands */
if (d3_data.d3_end_flags & IWL_D0I3_RESET_REQUIRE)
goto query_wakeup_reasons;
@@ -3346,7 +3175,7 @@ out:
kfree(d3_data.status);
iwl_mvm_free_nd(mvm);
- if (!d3_data.test && !mvm->net_detect)
+ if (!mvm->net_detect)
ieee80211_iterate_active_interfaces_mtx(mvm->hw,
IEEE80211_IFACE_ITER_NORMAL,
iwl_mvm_d3_disconnect_iter,
@@ -3385,7 +3214,7 @@ int iwl_mvm_resume(struct ieee80211_hw *hw)
struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
int ret;
- ret = __iwl_mvm_resume(mvm, false);
+ ret = __iwl_mvm_resume(mvm);
iwl_mvm_resume_tcm(mvm);
@@ -3420,7 +3249,7 @@ void iwl_mvm_fast_suspend(struct iwl_mvm *mvm)
IWL_ERR(mvm,
"fast suspend: couldn't send D3_CONFIG_CMD %d\n", ret);
- ret = iwl_trans_d3_suspend(mvm->trans, false, false);
+ ret = iwl_trans_d3_suspend(mvm->trans, false);
if (ret)
IWL_ERR(mvm, "fast suspend: trans_d3_suspend failed %d\n", ret);
}
@@ -3443,7 +3272,7 @@ int iwl_mvm_fast_resume(struct iwl_mvm *mvm)
rt_status = iwl_mvm_check_rt_status(mvm, NULL);
if (rt_status != FW_ALIVE) {
- set_bit(STATUS_FW_ERROR, &mvm->trans->status);
+ iwl_trans_notify_fw_error(mvm->trans);
if (rt_status == FW_ERROR) {
IWL_ERR(mvm,
"iwl_mvm_check_rt_status failed, device is gone during suspend\n");
@@ -3455,7 +3284,6 @@ int iwl_mvm_fast_resume(struct iwl_mvm *mvm)
&iwl_dump_desc_assert,
false, 0);
}
- mvm->trans->state = IWL_TRANS_NO_FW;
ret = -ENODEV;
goto out;
@@ -3473,125 +3301,3 @@ out:
return ret;
}
-
-#ifdef CONFIG_IWLWIFI_DEBUGFS
-static int iwl_mvm_d3_test_open(struct inode *inode, struct file *file)
-{
- struct iwl_mvm *mvm = inode->i_private;
- int err;
-
- if (mvm->d3_test_active)
- return -EBUSY;
-
- file->private_data = inode->i_private;
-
- iwl_mvm_pause_tcm(mvm, true);
-
- iwl_fw_runtime_suspend(&mvm->fwrt);
-
- /* start pseudo D3 */
- rtnl_lock();
- wiphy_lock(mvm->hw->wiphy);
- err = __iwl_mvm_suspend(mvm->hw, mvm->hw->wiphy->wowlan_config, true);
- wiphy_unlock(mvm->hw->wiphy);
- rtnl_unlock();
- if (err > 0)
- err = -EINVAL;
- if (err)
- return err;
-
- mvm->d3_test_active = true;
- mvm->keep_vif = NULL;
- return 0;
-}
-
-static ssize_t iwl_mvm_d3_test_read(struct file *file, char __user *user_buf,
- size_t count, loff_t *ppos)
-{
- struct iwl_mvm *mvm = file->private_data;
- unsigned long end = jiffies + 60 * HZ;
- u32 pme_asserted;
-
- while (true) {
- /* read pme_ptr if available */
- if (mvm->d3_test_pme_ptr) {
- pme_asserted = iwl_trans_read_mem32(mvm->trans,
- mvm->d3_test_pme_ptr);
- if (pme_asserted)
- break;
- }
-
- if (msleep_interruptible(100))
- break;
-
- if (time_is_before_jiffies(end)) {
- IWL_ERR(mvm,
- "ending pseudo-D3 with timeout after ~60 seconds\n");
- return -ETIMEDOUT;
- }
- }
-
- return 0;
-}
-
-static void iwl_mvm_d3_test_disconn_work_iter(void *_data, u8 *mac,
- struct ieee80211_vif *vif)
-{
- /* skip the one we keep connection on */
- if (_data == vif)
- return;
-
- if (vif->type == NL80211_IFTYPE_STATION)
- ieee80211_connection_loss(vif);
-}
-
-static int iwl_mvm_d3_test_release(struct inode *inode, struct file *file)
-{
- struct iwl_mvm *mvm = inode->i_private;
- bool unified_image = fw_has_capa(&mvm->fw->ucode_capa,
- IWL_UCODE_TLV_CAPA_CNSLDTD_D3_D0_IMG);
-
- mvm->d3_test_active = false;
-
- iwl_fw_dbg_read_d3_debug_data(&mvm->fwrt);
-
- rtnl_lock();
- wiphy_lock(mvm->hw->wiphy);
- __iwl_mvm_resume(mvm, true);
- wiphy_unlock(mvm->hw->wiphy);
- rtnl_unlock();
-
- iwl_mvm_resume_tcm(mvm);
-
- iwl_fw_runtime_resume(&mvm->fwrt);
-
- iwl_abort_notification_waits(&mvm->notif_wait);
- if (!unified_image) {
- int remaining_time = 10;
-
- ieee80211_restart_hw(mvm->hw);
-
- /* wait for restart and disconnect all interfaces */
- while (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) &&
- remaining_time > 0) {
- remaining_time--;
- msleep(1000);
- }
-
- if (remaining_time == 0)
- IWL_ERR(mvm, "Timed out waiting for HW restart!\n");
- }
-
- ieee80211_iterate_active_interfaces_atomic(
- mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
- iwl_mvm_d3_test_disconn_work_iter, mvm->keep_vif);
-
- return 0;
-}
-
-const struct file_operations iwl_dbgfs_d3_test_ops = {
- .open = iwl_mvm_d3_test_open,
- .read = iwl_mvm_d3_test_read,
- .release = iwl_mvm_d3_test_release,
-};
-#endif