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authorLinus Torvalds <torvalds@linux-foundation.org>2019-09-18 12:34:53 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2019-09-18 12:34:53 -0700
commit81160dda9a7aad13c04e78bb2cfd3c4630e3afab (patch)
tree4bf79ffa9fc7dc5e2915ff978778c3402c491113 /drivers/net/wireless/intel/iwlwifi/mvm/d3.c
parent8b53c76533aa4356602aea98f98a2f3b4051464c (diff)
parent1bab8d4c488be22d57f9dd09968c90a0ddc413bf (diff)
downloadlinux-81160dda9a7aad13c04e78bb2cfd3c4630e3afab.tar.bz2
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
Pull networking updates from David Miller: 1) Support IPV6 RA Captive Portal Identifier, from Maciej Żenczykowski. 2) Use bio_vec in the networking instead of custom skb_frag_t, from Matthew Wilcox. 3) Make use of xmit_more in r8169 driver, from Heiner Kallweit. 4) Add devmap_hash to xdp, from Toke Høiland-Jørgensen. 5) Support all variants of 5750X bnxt_en chips, from Michael Chan. 6) More RTNL avoidance work in the core and mlx5 driver, from Vlad Buslov. 7) Add TCP syn cookies bpf helper, from Petar Penkov. 8) Add 'nettest' to selftests and use it, from David Ahern. 9) Add extack support to drop_monitor, add packet alert mode and support for HW drops, from Ido Schimmel. 10) Add VLAN offload to stmmac, from Jose Abreu. 11) Lots of devm_platform_ioremap_resource() conversions, from YueHaibing. 12) Add IONIC driver, from Shannon Nelson. 13) Several kTLS cleanups, from Jakub Kicinski. * git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1930 commits) mlxsw: spectrum_buffers: Add the ability to query the CPU port's shared buffer mlxsw: spectrum: Register CPU port with devlink mlxsw: spectrum_buffers: Prevent changing CPU port's configuration net: ena: fix incorrect update of intr_delay_resolution net: ena: fix retrieval of nonadaptive interrupt moderation intervals net: ena: fix update of interrupt moderation register net: ena: remove all old adaptive rx interrupt moderation code from ena_com net: ena: remove ena_restore_ethtool_params() and relevant fields net: ena: remove old adaptive interrupt moderation code from ena_netdev net: ena: remove code duplication in ena_com_update_nonadaptive_moderation_interval _*() net: ena: enable the interrupt_moderation in driver_supported_features net: ena: reimplement set/get_coalesce() net: ena: switch to dim algorithm for rx adaptive interrupt moderation net: ena: add intr_moder_rx_interval to struct ena_com_dev and use it net: phy: adin: implement Energy Detect Powerdown mode via phy-tunable ethtool: implement Energy Detect Powerdown support via phy-tunable xen-netfront: do not assume sk_buff_head list is empty in error handling s390/ctcm: Delete unnecessary checks before the macro call “dev_kfree_skb” net: ena: don't wake up tx queue when down drop_monitor: Better sanitize notified packets ...
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/d3.c')
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/d3.c224
1 files changed, 44 insertions, 180 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/d3.c b/drivers/net/wireless/intel/iwlwifi/mvm/d3.c
index cec40855a641..86c2c587e755 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/d3.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/d3.c
@@ -735,40 +735,16 @@ iwl_mvm_get_wowlan_config(struct iwl_mvm *mvm,
return 0;
}
-static void
-iwl_mvm_iter_d0i3_ap_keys(struct iwl_mvm *mvm,
- struct ieee80211_vif *vif,
- void (*iter)(struct ieee80211_hw *hw,
- struct ieee80211_vif *vif,
- struct ieee80211_sta *sta,
- struct ieee80211_key_conf *key,
- void *data),
- void *data)
-{
- struct ieee80211_sta *ap_sta;
-
- rcu_read_lock();
-
- ap_sta = rcu_dereference(mvm->fw_id_to_mac_id[mvm->d0i3_ap_sta_id]);
- if (IS_ERR_OR_NULL(ap_sta))
- goto out;
-
- ieee80211_iter_keys_rcu(mvm->hw, vif, iter, data);
-out:
- rcu_read_unlock();
-}
-
-int iwl_mvm_wowlan_config_key_params(struct iwl_mvm *mvm,
- struct ieee80211_vif *vif,
- bool d0i3,
- u32 cmd_flags)
+static int iwl_mvm_wowlan_config_key_params(struct iwl_mvm *mvm,
+ struct ieee80211_vif *vif,
+ u32 cmd_flags)
{
struct iwl_wowlan_kek_kck_material_cmd kek_kck_cmd = {};
struct iwl_wowlan_tkip_params_cmd tkip_cmd = {};
bool unified = fw_has_capa(&mvm->fw->ucode_capa,
IWL_UCODE_TLV_CAPA_CNSLDTD_D3_D0_IMG);
struct wowlan_key_data key_data = {
- .configure_keys = !d0i3 && !unified,
+ .configure_keys = !unified,
.use_rsc_tsc = false,
.tkip = &tkip_cmd,
.use_tkip = false,
@@ -784,25 +760,16 @@ int iwl_mvm_wowlan_config_key_params(struct iwl_mvm *mvm,
* if we have to configure keys, call ieee80211_iter_keys(),
* as we need non-atomic context in order to take the
* required locks.
- * for the d0i3 we can't use ieee80211_iter_keys(), as
- * taking (almost) any mutex might result in deadlock.
*/
- if (!d0i3) {
- /*
- * Note that currently we don't propagate cmd_flags
- * to the iterator. In case of key_data.configure_keys,
- * all the configured commands are SYNC, and
- * iwl_mvm_wowlan_program_keys() will take care of
- * locking/unlocking mvm->mutex.
- */
- ieee80211_iter_keys(mvm->hw, vif,
- iwl_mvm_wowlan_program_keys,
- &key_data);
- } else {
- iwl_mvm_iter_d0i3_ap_keys(mvm, vif,
- iwl_mvm_wowlan_program_keys,
- &key_data);
- }
+ /*
+ * Note that currently we don't propagate cmd_flags
+ * to the iterator. In case of key_data.configure_keys,
+ * all the configured commands are SYNC, and
+ * iwl_mvm_wowlan_program_keys() will take care of
+ * locking/unlocking mvm->mutex.
+ */
+ ieee80211_iter_keys(mvm->hw, vif, iwl_mvm_wowlan_program_keys,
+ &key_data);
if (key_data.error) {
ret = -EIO;
@@ -830,7 +797,7 @@ int iwl_mvm_wowlan_config_key_params(struct iwl_mvm *mvm,
}
/* configure rekey data only if offloaded rekey is supported (d3) */
- if (mvmvif->rekey_data.valid && !d0i3) {
+ if (mvmvif->rekey_data.valid) {
memset(&kek_kck_cmd, 0, sizeof(kek_kck_cmd));
memcpy(kek_kck_cmd.kck, mvmvif->rekey_data.kck,
NL80211_KCK_LEN);
@@ -864,6 +831,8 @@ iwl_mvm_wowlan_config(struct iwl_mvm *mvm,
bool unified_image = fw_has_capa(&mvm->fw->ucode_capa,
IWL_UCODE_TLV_CAPA_CNSLDTD_D3_D0_IMG);
+ mvm->offload_tid = wowlan_config_cmd->offloading_tid;
+
if (!unified_image) {
ret = iwl_mvm_switch_to_d3(mvm);
if (ret)
@@ -881,8 +850,7 @@ iwl_mvm_wowlan_config(struct iwl_mvm *mvm,
* that isn't really a problem though.
*/
mutex_unlock(&mvm->mutex);
- ret = iwl_mvm_wowlan_config_key_params(mvm, vif, false,
- CMD_ASYNC);
+ ret = iwl_mvm_wowlan_config_key_params(mvm, vif, CMD_ASYNC);
mutex_lock(&mvm->mutex);
if (ret)
return ret;
@@ -936,6 +904,8 @@ iwl_mvm_netdetect_config(struct iwl_mvm *mvm,
wowlan_config_cmd.wakeup_filter |=
cpu_to_le32(IWL_WOWLAN_WAKEUP_RF_KILL_DEASSERT);
+ wowlan_config_cmd.sta_id = mvm->aux_sta.sta_id;
+
ret = iwl_mvm_send_cmd_pdu(mvm, WOWLAN_CONFIGURATION, 0,
sizeof(wowlan_config_cmd),
&wowlan_config_cmd);
@@ -1043,6 +1013,8 @@ static int __iwl_mvm_suspend(struct ieee80211_hw *hw,
} else {
struct iwl_wowlan_config_cmd wowlan_config_cmd = {};
+ wowlan_config_cmd.sta_id = mvmvif->ap_sta_id;
+
ap_sta = rcu_dereference_protected(
mvm->fw_id_to_mac_id[mvmvif->ap_sta_id],
lockdep_is_held(&mvm->mutex));
@@ -1082,8 +1054,8 @@ static int __iwl_mvm_suspend(struct ieee80211_hw *hw,
* recording before entering D3. In later devices the FW stops the
* recording automatically.
*/
- if (mvm->trans->cfg->device_family < IWL_DEVICE_FAMILY_9000)
- iwl_fw_dbg_stop_recording(mvm->trans, NULL);
+ if (mvm->trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_9000)
+ 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);
@@ -1100,13 +1072,12 @@ static int __iwl_mvm_suspend(struct ieee80211_hw *hw,
clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status);
- iwl_trans_d3_suspend(mvm->trans, test, !unified_image);
+ ret = iwl_trans_d3_suspend(mvm->trans, test, !unified_image);
out:
if (ret < 0) {
iwl_mvm_free_nd(mvm);
if (!unified_image) {
- iwl_mvm_ref(mvm, IWL_MVM_REF_UCODE_DOWN);
if (mvm->fw_restart > 0) {
mvm->fw_restart--;
ieee80211_restart_hw(mvm->hw);
@@ -1119,37 +1090,12 @@ static int __iwl_mvm_suspend(struct ieee80211_hw *hw,
return ret;
}
-static int iwl_mvm_enter_d0i3_sync(struct iwl_mvm *mvm)
-{
- struct iwl_notification_wait wait_d3;
- static const u16 d3_notif[] = { D3_CONFIG_CMD };
- int ret;
-
- iwl_init_notification_wait(&mvm->notif_wait, &wait_d3,
- d3_notif, ARRAY_SIZE(d3_notif),
- NULL, NULL);
-
- ret = iwl_mvm_enter_d0i3(mvm->hw->priv);
- if (ret)
- goto remove_notif;
-
- ret = iwl_wait_notification(&mvm->notif_wait, &wait_d3, HZ);
- WARN_ON_ONCE(ret);
- return ret;
-
-remove_notif:
- iwl_remove_notification(&mvm->notif_wait, &wait_d3);
- return ret;
-}
-
int iwl_mvm_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan)
{
struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
struct iwl_trans *trans = mvm->trans;
int ret;
- /* make sure the d0i3 exit work is not pending */
- flush_work(&mvm->d0i3_exit_work);
iwl_mvm_pause_tcm(mvm, true);
iwl_fw_runtime_suspend(&mvm->fwrt);
@@ -1158,25 +1104,6 @@ int iwl_mvm_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan)
if (ret)
return ret;
- if (wowlan->any) {
- trans->system_pm_mode = IWL_PLAT_PM_MODE_D0I3;
-
- if (iwl_mvm_enter_d0i3_on_suspend(mvm)) {
- ret = iwl_mvm_enter_d0i3_sync(mvm);
-
- if (ret)
- return ret;
- }
-
- mutex_lock(&mvm->d0i3_suspend_mutex);
- __set_bit(D0I3_DEFER_WAKEUP, &mvm->d0i3_suspend_flags);
- mutex_unlock(&mvm->d0i3_suspend_mutex);
-
- iwl_trans_d3_suspend(trans, false, false);
-
- return 0;
- }
-
trans->system_pm_mode = IWL_PLAT_PM_MODE_D3;
return __iwl_mvm_suspend(hw, wowlan, false);
@@ -1735,6 +1662,13 @@ static bool iwl_mvm_query_wakeup_reasons(struct iwl_mvm *mvm,
mvm_ap_sta->tid_data[i].seq_number = seq;
}
+ if (mvm->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_22000) {
+ i = mvm->offload_tid;
+ iwl_trans_set_q_ptrs(mvm->trans,
+ mvm_ap_sta->tid_data[i].txq_id,
+ mvm_ap_sta->tid_data[i].seq_number >> 4);
+ }
+
/* now we have all the data we need, unlock to avoid mac80211 issues */
mutex_unlock(&mvm->mutex);
@@ -1752,30 +1686,6 @@ out_unlock:
return false;
}
-void iwl_mvm_d0i3_update_keys(struct iwl_mvm *mvm,
- struct ieee80211_vif *vif,
- struct iwl_wowlan_status *status)
-{
- struct iwl_mvm_d3_gtk_iter_data gtkdata = {
- .mvm = mvm,
- .status = status,
- };
-
- /*
- * rekey handling requires taking locks that can't be taken now.
- * however, d0i3 doesn't offload rekey, so we're fine.
- */
- if (WARN_ON_ONCE(status->num_of_gtk_rekeys))
- return;
-
- /* find last GTK that we used initially, if any */
- gtkdata.find_phase = true;
- iwl_mvm_iter_d0i3_ap_keys(mvm, vif, iwl_mvm_d3_update_keys, &gtkdata);
-
- gtkdata.find_phase = false;
- iwl_mvm_iter_d0i3_ap_keys(mvm, vif, iwl_mvm_d3_update_keys, &gtkdata);
-}
-
#define ND_QUERY_BUF_LEN (sizeof(struct iwl_scan_offload_profile_match) * \
IWL_SCAN_MAX_PROFILES)
@@ -2024,15 +1934,6 @@ static int __iwl_mvm_resume(struct iwl_mvm *mvm, bool test)
if (IS_ERR_OR_NULL(vif))
goto err;
- ret = iwl_trans_d3_resume(mvm->trans, &d3_status, test, !unified_image);
- if (ret)
- goto err;
-
- if (d3_status != IWL_D3_STATUS_ALIVE) {
- IWL_INFO(mvm, "Device was reset during suspend\n");
- goto err;
- }
-
iwl_fw_dbg_read_d3_debug_data(&mvm->fwrt);
if (iwl_mvm_check_rt_status(mvm, vif)) {
@@ -2044,6 +1945,15 @@ static int __iwl_mvm_resume(struct iwl_mvm *mvm, bool test)
goto err;
}
+ ret = iwl_trans_d3_resume(mvm->trans, &d3_status, test, !unified_image);
+ if (ret)
+ goto err;
+
+ if (d3_status != IWL_D3_STATUS_ALIVE) {
+ IWL_INFO(mvm, "Device was reset during suspend\n");
+ goto err;
+ }
+
if (d0i3_first) {
ret = iwl_mvm_send_cmd_pdu(mvm, D0I3_END_CMD, 0, 0, NULL);
if (ret < 0) {
@@ -2059,6 +1969,9 @@ static int __iwl_mvm_resume(struct iwl_mvm *mvm, bool test)
*/
iwl_mvm_update_changed_regdom(mvm);
+ /* Re-configure PPAG settings */
+ iwl_mvm_ppag_send_cmd(mvm);
+
if (!unified_image)
/* Re-configure default SAR profile */
iwl_mvm_sar_select_profile(mvm, 1, 1);
@@ -2115,14 +2028,6 @@ out:
* 2. We are using a unified image but had an error while exiting D3
*/
set_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status);
- /*
- * When switching images we return 1, which causes mac80211
- * to do a reconfig with IEEE80211_RECONFIG_TYPE_RESTART.
- * This type of reconfig calls iwl_mvm_restart_complete(),
- * where we unref the IWL_MVM_REF_UCODE_DOWN, so we need
- * to take the reference here.
- */
- iwl_mvm_ref(mvm, IWL_MVM_REF_UCODE_DOWN);
return 1;
}
@@ -2134,53 +2039,12 @@ static int iwl_mvm_resume_d3(struct iwl_mvm *mvm)
return __iwl_mvm_resume(mvm, false);
}
-static int iwl_mvm_resume_d0i3(struct iwl_mvm *mvm)
-{
- bool exit_now;
- enum iwl_d3_status d3_status;
- struct iwl_trans *trans = mvm->trans;
-
- iwl_trans_d3_resume(trans, &d3_status, false, false);
-
- /*
- * make sure to clear D0I3_DEFER_WAKEUP before
- * calling iwl_trans_resume(), which might wait
- * for d0i3 exit completion.
- */
- mutex_lock(&mvm->d0i3_suspend_mutex);
- __clear_bit(D0I3_DEFER_WAKEUP, &mvm->d0i3_suspend_flags);
- exit_now = __test_and_clear_bit(D0I3_PENDING_WAKEUP,
- &mvm->d0i3_suspend_flags);
- mutex_unlock(&mvm->d0i3_suspend_mutex);
- if (exit_now) {
- IWL_DEBUG_RPM(mvm, "Run deferred d0i3 exit\n");
- _iwl_mvm_exit_d0i3(mvm);
- }
-
- iwl_trans_resume(trans);
-
- if (iwl_mvm_enter_d0i3_on_suspend(mvm)) {
- int ret = iwl_mvm_exit_d0i3(mvm->hw->priv);
-
- if (ret)
- return ret;
- /*
- * d0i3 exit will be deferred until reconfig_complete.
- * make sure there we are out of d0i3.
- */
- }
- return 0;
-}
-
int iwl_mvm_resume(struct ieee80211_hw *hw)
{
struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
int ret;
- if (mvm->trans->system_pm_mode == IWL_PLAT_PM_MODE_D0I3)
- ret = iwl_mvm_resume_d0i3(mvm);
- else
- ret = iwl_mvm_resume_d3(mvm);
+ ret = iwl_mvm_resume_d3(mvm);
mvm->trans->system_pm_mode = IWL_PLAT_PM_MODE_DISABLED;