iwlwifi: mvm: Support new version of BEACON_TEMPLATE_CMD.

As part of the new rate_n_flags, a new version of
BEACON_TEMPLATE_CMD was added in FW in order to support
the new rate_n_flags.
Add support for the new version.

Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20211017162352.b42e67f14293.Ic3f1ed8cb3a31cfaa51174497dd993936b00d398@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>

drivers/net/wireless/intel/iwlwifi/fw/api/tx.h

@@ -757,11 +757,20 @@ struct iwl_mac_beacon_cmd_v7 {
 	struct ieee80211_hdr frame[];
 } __packed; /* BEACON_TEMPLATE_CMD_API_S_VER_7 */
 
+/* Bit flags for BEACON_TEMPLATE_CMD_API until version 10 */
+enum iwl_mac_beacon_flags_v1 {
+	IWL_MAC_BEACON_CCK_V1	= BIT(8),
+	IWL_MAC_BEACON_ANT_A_V1 = BIT(9),
+	IWL_MAC_BEACON_ANT_B_V1 = BIT(10),
+	IWL_MAC_BEACON_FILS_V1	= BIT(12),
+};
+
+/* Bit flags for BEACON_TEMPLATE_CMD_API version 11 and above */
 enum iwl_mac_beacon_flags {
-	IWL_MAC_BEACON_CCK	= BIT(8),
-	IWL_MAC_BEACON_ANT_A	= BIT(9),
-	IWL_MAC_BEACON_ANT_B	= BIT(10),
-	IWL_MAC_BEACON_FILS	= BIT(12),
+	IWL_MAC_BEACON_CCK	= BIT(5),
+	IWL_MAC_BEACON_ANT_A	= BIT(6),
+	IWL_MAC_BEACON_ANT_B	= BIT(7),
+	IWL_MAC_BEACON_FILS	= BIT(8),
 };
 
 /**
@@ -789,7 +798,9 @@ struct iwl_mac_beacon_cmd {
 	__le32 ecsa_offset;
 	__le32 csa_offset;
 	struct ieee80211_hdr frame[];
-} __packed; /* BEACON_TEMPLATE_CMD_API_S_VER_10 */
+} __packed; /* BEACON_TEMPLATE_CMD_API_S_VER_10,
+	       BEACON_TEMPLATE_CMD_API_S_VER_11,
+	       BEACON_TEMPLATE_CMD_API_S_VER_12 */
 
 struct iwl_beacon_notif {
 	struct iwl_mvm_tx_resp beacon_notify_hdr;

drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c

@@ -1193,7 +1193,6 @@ static int _iwl_dbgfs_inject_beacon_ie(struct iwl_mvm *mvm, char *bin, int len)
 	struct ieee80211_tx_info *info;
 	struct iwl_mac_beacon_cmd beacon_cmd = {};
 	u8 rate;
-	u16 flags;
 	int i;
 
 	len /= 2;
@@ -1240,12 +1239,9 @@ static int _iwl_dbgfs_inject_beacon_ie(struct iwl_mvm *mvm, char *bin, int len)
 	mvmvif = iwl_mvm_vif_from_mac80211(vif);
 	info = IEEE80211_SKB_CB(beacon);
 	rate = iwl_mvm_mac_ctxt_get_lowest_rate(info, vif);
-	flags = iwl_mvm_mac80211_idx_to_hwrate(mvm->fw, rate);
 
-	if (rate == IWL_FIRST_CCK_RATE)
-		flags |= IWL_MAC_BEACON_CCK;
-
-	beacon_cmd.flags = cpu_to_le16(flags);
+	beacon_cmd.flags =
+		cpu_to_le16(iwl_mvm_mac_ctxt_get_beacon_flags(mvm->fw, rate));
 	beacon_cmd.byte_cnt = cpu_to_le16((u16)beacon->len);
 	beacon_cmd.template_id = cpu_to_le32((u32)mvmvif->id);
 

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

@@ -812,6 +812,21 @@ u8 iwl_mvm_mac_ctxt_get_lowest_rate(struct ieee80211_tx_info *info,
 	return rate;
 }
 
+u16 iwl_mvm_mac_ctxt_get_beacon_flags(const struct iwl_fw *fw, u8 rate_idx)
+{
+	u16 flags = iwl_mvm_mac80211_idx_to_hwrate(fw, rate_idx);
+	bool is_new_rate = iwl_fw_lookup_cmd_ver(fw,
+						 LONG_GROUP,
+						 BEACON_TEMPLATE_CMD,
+						 0) > 10;
+
+	if (rate_idx <= IWL_FIRST_CCK_RATE)
+		flags |= is_new_rate ? IWL_MAC_BEACON_CCK
+			  : IWL_MAC_BEACON_CCK_V1;
+
+	return flags;
+}
+
 static void iwl_mvm_mac_ctxt_set_tx(struct iwl_mvm *mvm,
 				    struct ieee80211_vif *vif,
 				    struct sk_buff *beacon,
@@ -930,11 +945,7 @@ static int iwl_mvm_mac_ctxt_send_beacon_v9(struct iwl_mvm *mvm,
 	u16 flags;
 	struct ieee80211_chanctx_conf *ctx;
 	int channel;
-
-	flags = iwl_mvm_mac80211_idx_to_hwrate(mvm->fw, rate);
-
-	if (rate == IWL_FIRST_CCK_RATE)
-		flags |= IWL_MAC_BEACON_CCK;
+	flags = iwl_mvm_mac_ctxt_get_beacon_flags(mvm->fw, rate);
 
 	/* Enable FILS on PSC channels only */
 	rcu_read_lock();
@@ -943,7 +954,11 @@ static int iwl_mvm_mac_ctxt_send_beacon_v9(struct iwl_mvm *mvm,
 	WARN_ON(channel == 0);
 	if (cfg80211_channel_is_psc(ctx->def.chan) &&
 	    !IWL_MVM_DISABLE_AP_FILS) {
-		flags |= IWL_MAC_BEACON_FILS;
+		flags |= iwl_fw_lookup_cmd_ver(mvm->fw, LONG_GROUP,
+					       BEACON_TEMPLATE_CMD,
+					       0) > 10 ?
+			IWL_MAC_BEACON_FILS :
+			IWL_MAC_BEACON_FILS_V1;
 		beacon_cmd.short_ssid =
 			cpu_to_le32(~crc32_le(~0, vif->bss_conf.ssid,
 					      vif->bss_conf.ssid_len));

drivers/net/wireless/intel/iwlwifi/mvm/mvm.h

@@ -1629,6 +1629,8 @@ int iwl_mvm_mac_ctxt_send_beacon_cmd(struct iwl_mvm *mvm,
 				     void *data, int len);
 u8 iwl_mvm_mac_ctxt_get_lowest_rate(struct ieee80211_tx_info *info,
 				    struct ieee80211_vif *vif);
+u16 iwl_mvm_mac_ctxt_get_beacon_flags(const struct iwl_fw *fw,
+				      u8 rate_idx);
 void iwl_mvm_mac_ctxt_set_tim(struct iwl_mvm *mvm,
 			      __le32 *tim_index, __le32 *tim_size,
 			      u8 *beacon, u32 frame_size);