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iwlwifi: mvm: support new format for the beacon notification 

The firmware is changing the format of the beacon
notification to remove the dependency on the Tx response
format.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
This commit is contained in:
Emmanuel Grumbach 2018-11-26 13:24:55 +02:00 committed by Luca Coelho
parent 2d0c66083d
commit 15e28c78c3
4 changed files with 47 additions and 13 deletions
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18
drivers/net/wireless/intel/iwlwifi/fw/api/tx.h
View File

@ -847,19 +847,33 @@ struct iwl_beacon_notif {
} __packed;
/**
* struct iwl_extended_beacon_notif - notifies about beacon transmission
* struct iwl_extended_beacon_notif_v5 - notifies about beacon transmission
* @beacon_notify_hdr: tx response command associated with the beacon
* @tsf: last beacon tsf
* @ibss_mgr_status: whether IBSS is manager
* @gp2: last beacon time in gp2
*/
struct iwl_extended_beacon_notif {
struct iwl_extended_beacon_notif_v5 {
struct iwl_mvm_tx_resp beacon_notify_hdr;
__le64 tsf;
__le32 ibss_mgr_status;
__le32 gp2;
} __packed; /* BEACON_NTFY_API_S_VER_5 */
/**
* struct iwl_extended_beacon_notif - notifies about beacon transmission
* @status: the status of the Tx response of the beacon
* @tsf: last beacon tsf
* @ibss_mgr_status: whether IBSS is manager
* @gp2: last beacon time in gp2
*/
struct iwl_extended_beacon_notif {
__le32 status;
__le64 tsf;
__le32 ibss_mgr_status;
__le32 gp2;
} __packed; /* BEACON_NTFY_API_S_VER_6_ */
/**
* enum iwl_dump_control - dump (flush) control flags
* @DUMP_TX_FIFO_FLUSH: Dump MSDUs until the the FIFO is empty

3
drivers/net/wireless/intel/iwlwifi/fw/file.h
View File

@ -263,6 +263,8 @@ typedef unsigned int __bitwise iwl_ucode_tlv_api_t;
* @IWL_UCODE_TLV_API_FRAG_EBS: This ucode supports fragmented EBS
* @IWL_UCODE_TLV_API_REDUCE_TX_POWER: This ucode supports v5 of
* the REDUCE_TX_POWER_CMD.
* @IWL_UCODE_TLV_API_SHORT_BEACON_NOTIF: This ucode supports the short
* version of the beacon notification.
*
* @NUM_IWL_UCODE_TLV_API: number of bits used
*/
@ -287,6 +289,7 @@ enum iwl_ucode_tlv_api {
IWL_UCODE_TLV_API_ADAPTIVE_DWELL_V2 = (__force iwl_ucode_tlv_api_t)42,
IWL_UCODE_TLV_API_FRAG_EBS = (__force iwl_ucode_tlv_api_t)44,
IWL_UCODE_TLV_API_REDUCE_TX_POWER = (__force iwl_ucode_tlv_api_t)45,
IWL_UCODE_TLV_API_SHORT_BEACON_NOTIF = (__force iwl_ucode_tlv_api_t)46,
NUM_IWL_UCODE_TLV_API
#ifdef __CHECKER__

33
drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c
View File

@ -1330,7 +1330,7 @@ void iwl_mvm_rx_beacon_notif(struct iwl_mvm *mvm,
{
struct iwl_rx_packet *pkt = rxb_addr(rxb);
struct iwl_extended_beacon_notif *beacon = (void *)pkt->data;
struct iwl_mvm_tx_resp *beacon_notify_hdr;
struct iwl_extended_beacon_notif_v5 *beacon_v5 = (void *)pkt->data;
struct ieee80211_vif *csa_vif;
struct ieee80211_vif *tx_blocked_vif;
struct agg_tx_status *agg_status;
@ -1338,18 +1338,29 @@ void iwl_mvm_rx_beacon_notif(struct iwl_mvm *mvm,
lockdep_assert_held(&mvm->mutex);
beacon_notify_hdr = &beacon->beacon_notify_hdr;
mvm->ap_last_beacon_gp2 = le32_to_cpu(beacon->gp2);
mvm->ibss_manager = beacon->ibss_mgr_status != 0;
agg_status = iwl_mvm_get_agg_status(mvm, beacon_notify_hdr);
status = le16_to_cpu(agg_status->status) & TX_STATUS_MSK;
IWL_DEBUG_RX(mvm,
"beacon status %#x retries:%d tsf:0x%016llX gp2:0x%X rate:%d\n",
status, beacon_notify_hdr->failure_frame,
le64_to_cpu(beacon->tsf),
mvm->ap_last_beacon_gp2,
le32_to_cpu(beacon_notify_hdr->initial_rate));
if (!iwl_mvm_is_short_beacon_notif_supported(mvm)) {
struct iwl_mvm_tx_resp *beacon_notify_hdr =
&beacon_v5->beacon_notify_hdr;
mvm->ibss_manager = beacon_v5->ibss_mgr_status != 0;
agg_status = iwl_mvm_get_agg_status(mvm, beacon_notify_hdr);
status = le16_to_cpu(agg_status->status) & TX_STATUS_MSK;
IWL_DEBUG_RX(mvm,
"beacon status %#x retries:%d tsf:0x%016llX gp2:0x%X rate:%d\n",
status, beacon_notify_hdr->failure_frame,
le64_to_cpu(beacon->tsf),
mvm->ap_last_beacon_gp2,
le32_to_cpu(beacon_notify_hdr->initial_rate));
} else {
mvm->ibss_manager = beacon->ibss_mgr_status != 0;
status = le32_to_cpu(beacon->status) & TX_STATUS_MSK;
IWL_DEBUG_RX(mvm,
"beacon status %#x tsf:0x%016llX gp2:0x%X\n",
status, le64_to_cpu(beacon->tsf),
mvm->ap_last_beacon_gp2);
}
csa_vif = rcu_dereference_protected(mvm->csa_vif,
lockdep_is_held(&mvm->mutex));

6
drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
View File

@ -1311,6 +1311,12 @@ static inline bool iwl_mvm_is_frag_ebs_supported(struct iwl_mvm *mvm)
return fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_FRAG_EBS);
}
static inline bool iwl_mvm_is_short_beacon_notif_supported(struct iwl_mvm *mvm)
{
return fw_has_api(&mvm->fw->ucode_capa,
IWL_UCODE_TLV_API_SHORT_BEACON_NOTIF);
}
static inline bool iwl_mvm_enter_d0i3_on_suspend(struct iwl_mvm *mvm)
{
/* For now we only use this mode to differentiate between