iwlwifi: remove IWL_UCODE_TLV_FLAGS_D3_CONTINUITY_API flag

All the supported firmwares have this flag set.

Reviewed-by: Luciano Coelho <luciano.coelho@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>

4 files changed, 24 insertions, 70 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-fw.h b/drivers/net/wireless/iwlwifi/iwl-fw.h
index f87ab6928acf..fbfdba761560 100644
--- a/drivers/net/wireless/iwlwifi/iwl-fw.h
+++ b/drivers/net/wireless/iwlwifi/iwl-fw.h
@@ -81,8 +81,6 @@
  *      (rather than two) IPv6 addresses
  * @IWL_UCODE_TLV_FLAGS_NO_BASIC_SSID: not sending a probe with the SSID element
  *      from the probe request template.
- * @IWL_UCODE_TLV_FLAGS_D3_CONTINUITY_API: modified D3 API to allow keeping
- *      connection when going back to D0
  * @IWL_UCODE_TLV_FLAGS_NEW_NSOFFL_SMALL: new NS offload (small version)
  * @IWL_UCODE_TLV_FLAGS_NEW_NSOFFL_LARGE: new NS offload (large version)
  * @IWL_UCODE_TLV_FLAGS_SCHED_SCAN: this uCode image supports scheduled scan.
@@ -107,7 +105,6 @@ enum iwl_ucode_tlv_flag {
         IWL_UCODE_TLV_FLAGS_SHORT_BL            = BIT(7),
         IWL_UCODE_TLV_FLAGS_D3_6_IPV6_ADDRS     = BIT(10),
         IWL_UCODE_TLV_FLAGS_NO_BASIC_SSID       = BIT(12),
-        IWL_UCODE_TLV_FLAGS_D3_CONTINUITY_API   = BIT(14),
         IWL_UCODE_TLV_FLAGS_NEW_NSOFFL_SMALL    = BIT(15),
         IWL_UCODE_TLV_FLAGS_NEW_NSOFFL_LARGE    = BIT(16),
         IWL_UCODE_TLV_FLAGS_SCHED_SCAN          = BIT(17),
diff --git a/drivers/net/wireless/iwlwifi/mvm/d3.c b/drivers/net/wireless/iwlwifi/mvm/d3.c
index e56f5a0edf85..5c9f14d1a4e0 100644
--- a/drivers/net/wireless/iwlwifi/mvm/d3.c
+++ b/drivers/net/wireless/iwlwifi/mvm/d3.c
@@ -744,10 +744,8 @@ static int iwl_mvm_get_last_nonqos_seq(struct iwl_mvm *mvm,
         int err;
         u32 size;
 
-        if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_D3_CONTINUITY_API) {
-                cmd.data[0] = &query_cmd;
-                cmd.len[0] = sizeof(query_cmd);
-        }
+        cmd.data[0] = &query_cmd;
+        cmd.len[0] = sizeof(query_cmd);
 
         err = iwl_mvm_send_cmd(mvm, &cmd);
         if (err)
@@ -758,10 +756,8 @@ static int iwl_mvm_get_last_nonqos_seq(struct iwl_mvm *mvm,
                 err = -EINVAL;
         } else {
                 err = le16_to_cpup((__le16 *)cmd.resp_pkt->data);
-                /* new API returns next, not last-used seqno */
-                if (mvm->fw->ucode_capa.flags &
-                                IWL_UCODE_TLV_FLAGS_D3_CONTINUITY_API)
-                        err = (u16) (err - 0x10);
+                /* firmware returns next, not last-used seqno */
+                err = (u16) (err - 0x10);
         }
 
         iwl_free_resp(&cmd);
@@ -785,10 +781,6 @@ void iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
 
         mvmvif->seqno_valid = false;
 
-        if (!(mvm->fw->ucode_capa.flags &
-                        IWL_UCODE_TLV_FLAGS_D3_CONTINUITY_API))
-                return;
-
         if (iwl_mvm_send_cmd_pdu(mvm, NON_QOS_TX_COUNTER_CMD, CMD_SYNC,
                                  sizeof(query_cmd), &query_cmd))
                 IWL_ERR(mvm, "failed to set non-QoS seqno\n");
@@ -1277,7 +1269,7 @@ static void iwl_mvm_set_tkip_rx_seq(struct tkip_sc *scs,
 }
 
 static void iwl_mvm_set_key_rx_seq(struct ieee80211_key_conf *key,
-                                   struct iwl_wowlan_status_v6 *status)
+                                   struct iwl_wowlan_status *status)
 {
         union iwl_all_tsc_rsc *rsc = &status->gtk.rsc.all_tsc_rsc;
 
@@ -1294,7 +1286,7 @@ static void iwl_mvm_set_key_rx_seq(struct ieee80211_key_conf *key,
 }
 
 struct iwl_mvm_d3_gtk_iter_data {
-        struct iwl_wowlan_status_v6 *status;
+        struct iwl_wowlan_status *status;
         void *last_gtk;
         u32 cipher;
         bool find_phase, unhandled_cipher;
@@ -1370,7 +1362,7 @@ static void iwl_mvm_d3_update_gtks(struct ieee80211_hw *hw,
 
 static bool iwl_mvm_setup_connection_keep(struct iwl_mvm *mvm,
                                           struct ieee80211_vif *vif,
-                                          struct iwl_wowlan_status_v6 *status)
+                                          struct iwl_wowlan_status *status)
 {
         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
         struct iwl_mvm_d3_gtk_iter_data gtkdata = {
@@ -1468,7 +1460,7 @@ static bool iwl_mvm_query_wakeup_reasons(struct iwl_mvm *mvm,
                 .flags = CMD_SYNC | CMD_WANT_SKB,
         };
         struct iwl_wowlan_status_data status;
-        struct iwl_wowlan_status_v6 *status_v6;
+        struct iwl_wowlan_status *fw_status;
         int ret, len, status_size, i;
         bool keep;
         struct ieee80211_sta *ap_sta;
@@ -1505,10 +1497,7 @@ static bool iwl_mvm_query_wakeup_reasons(struct iwl_mvm *mvm,
         if (!cmd.resp_pkt)
                 goto out_unlock;
 
-        if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_D3_CONTINUITY_API)
-                status_size = sizeof(struct iwl_wowlan_status_v6);
-        else
-                status_size = sizeof(struct iwl_wowlan_status_v4);
+        status_size = sizeof(*fw_status);
 
         len = iwl_rx_packet_payload_len(cmd.resp_pkt);
         if (len < status_size) {
@@ -1516,35 +1505,18 @@ static bool iwl_mvm_query_wakeup_reasons(struct iwl_mvm *mvm,
                 goto out_free_resp;
         }
 
-        if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_D3_CONTINUITY_API) {
-                status_v6 = (void *)cmd.resp_pkt->data;
-
-                status.pattern_number = le16_to_cpu(status_v6->pattern_number);
-                for (i = 0; i < 8; i++)
-                        status.qos_seq_ctr[i] =
-                                le16_to_cpu(status_v6->qos_seq_ctr[i]);
-                status.wakeup_reasons = le32_to_cpu(status_v6->wakeup_reasons);
-                status.wake_packet_length =
-                        le32_to_cpu(status_v6->wake_packet_length);
-                status.wake_packet_bufsize =
-                        le32_to_cpu(status_v6->wake_packet_bufsize);
-                status.wake_packet = status_v6->wake_packet;
-        } else {
-                struct iwl_wowlan_status_v4 *status_v4;
-                status_v6 = NULL;
-                status_v4 = (void *)cmd.resp_pkt->data;
-
-                status.pattern_number = le16_to_cpu(status_v4->pattern_number);
-                for (i = 0; i < 8; i++)
-                        status.qos_seq_ctr[i] =
-                                le16_to_cpu(status_v4->qos_seq_ctr[i]);
-                status.wakeup_reasons = le32_to_cpu(status_v4->wakeup_reasons);
-                status.wake_packet_length =
-                        le32_to_cpu(status_v4->wake_packet_length);
-                status.wake_packet_bufsize =
-                        le32_to_cpu(status_v4->wake_packet_bufsize);
-                status.wake_packet = status_v4->wake_packet;
-        }
+        fw_status = (void *)cmd.resp_pkt->data;
+
+        status.pattern_number = le16_to_cpu(fw_status->pattern_number);
+        for (i = 0; i < 8; i++)
+                status.qos_seq_ctr[i] =
+                        le16_to_cpu(fw_status->qos_seq_ctr[i]);
+        status.wakeup_reasons = le32_to_cpu(fw_status->wakeup_reasons);
+        status.wake_packet_length =
+                le32_to_cpu(fw_status->wake_packet_length);
+        status.wake_packet_bufsize =
+                le32_to_cpu(fw_status->wake_packet_bufsize);
+        status.wake_packet = fw_status->wake_packet;
 
         if (len != status_size + ALIGN(status.wake_packet_bufsize, 4)) {
                 IWL_ERR(mvm, "Invalid WoWLAN status response!\n");
@@ -1571,7 +1543,7 @@ static bool iwl_mvm_query_wakeup_reasons(struct iwl_mvm *mvm,
 
         iwl_mvm_report_wakeup_reasons(mvm, vif, &status);
 
-        keep = iwl_mvm_setup_connection_keep(mvm, vif, status_v6);
+        keep = iwl_mvm_setup_connection_keep(mvm, vif, fw_status);
 
         iwl_free_resp(&cmd);
         return keep;
diff --git a/drivers/net/wireless/iwlwifi/mvm/fw-api-d3.h b/drivers/net/wireless/iwlwifi/mvm/fw-api-d3.h
index 10fcc1a79ebd..13696fe419b7 100644
--- a/drivers/net/wireless/iwlwifi/mvm/fw-api-d3.h
+++ b/drivers/net/wireless/iwlwifi/mvm/fw-api-d3.h
@@ -345,21 +345,6 @@ enum iwl_wowlan_wakeup_reason {
         IWL_WOWLAN_WAKEUP_BY_REM_WAKE_WAKEUP_PACKET             = BIT(12),
 }; /* WOWLAN_WAKE_UP_REASON_API_E_VER_2 */
 
-struct iwl_wowlan_status_v4 {
-        __le64 replay_ctr;
-        __le16 pattern_number;
-        __le16 non_qos_seq_ctr;
-        __le16 qos_seq_ctr[8];
-        __le32 wakeup_reasons;
-        __le32 rekey_status;
-        __le32 num_of_gtk_rekeys;
-        __le32 transmitted_ndps;
-        __le32 received_beacons;
-        __le32 wake_packet_length;
-        __le32 wake_packet_bufsize;
-        u8 wake_packet[]; /* can be truncated from _length to _bufsize */
-} __packed; /* WOWLAN_STATUSES_API_S_VER_4 */
-
 struct iwl_wowlan_gtk_status {
         u8 key_index;
         u8 reserved[3];
@@ -368,7 +353,7 @@ struct iwl_wowlan_gtk_status {
         struct iwl_wowlan_rsc_tsc_params_cmd rsc;
 } __packed;
 
-struct iwl_wowlan_status_v6 {
+struct iwl_wowlan_status {
         struct iwl_wowlan_gtk_status gtk;
         __le64 replay_ctr;
         __le16 pattern_number;
diff --git a/drivers/net/wireless/iwlwifi/mvm/ops.c b/drivers/net/wireless/iwlwifi/mvm/ops.c
index 7cb401b45e49..fd531282b51f 100644
--- a/drivers/net/wireless/iwlwifi/mvm/ops.c
+++ b/drivers/net/wireless/iwlwifi/mvm/ops.c
@@ -1144,7 +1144,7 @@ static void iwl_mvm_d0i3_exit_work(struct work_struct *wk)
                 .id = WOWLAN_GET_STATUSES,
                 .flags = CMD_SYNC | CMD_HIGH_PRIO | CMD_WANT_SKB,
         };
-        struct iwl_wowlan_status_v6 *status;
+        struct iwl_wowlan_status *status;
         int ret;
         u32 disconnection_reasons, wakeup_reasons;
         __le16 *qos_seq = NULL;