5 files changed, 30 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwlwifi/mvm/coex.c b/drivers/net/wireless/iwlwifi/mvm/coex.c
index 018d75c805ad..c9b320a06070 100644
--- a/drivers/net/wireless/iwlwifi/mvm/coex.c
+++ b/drivers/net/wireless/iwlwifi/mvm/coex.c
@@ -616,6 +616,11 @@ int iwl_send_bt_init_conf(struct iwl_mvm *mvm)
 		bt_cmd->flags |= cpu_to_le32(BT_COEX_CORUNNING);
 	}
 
+	if (IWL_MVM_BT_COEX_MPLUT) {
+		bt_cmd->flags |= cpu_to_le32(BT_COEX_MPLUT);
+		bt_cmd->valid_bit_msk = cpu_to_le32(BT_VALID_MULTI_PRIO_LUT);
+	}
+
 	if (mvm->cfg->bt_shared_single_ant)
 		memcpy(&bt_cmd->decision_lut, iwl_single_shared_ant,
 		       sizeof(iwl_single_shared_ant));
@@ -1215,6 +1220,9 @@ u8 iwl_mvm_bt_coex_tx_prio(struct iwl_mvm *mvm, struct ieee80211_hdr *hdr,
 	if (info->band != IEEE80211_BAND_2GHZ)
 		return 0;
 
+	if (unlikely(mvm->bt_tx_prio))
+		return mvm->bt_tx_prio - 1;
+
 	/* High prio packet (wrt. BT coex) if it is EAPOL, MCAST or MGMT */
 	if (info->control.flags & IEEE80211_TX_CTRL_PORT_CTRL_PROTO ||
 	     is_multicast_ether_addr(hdr->addr1) ||
diff --git a/drivers/net/wireless/iwlwifi/mvm/constants.h b/drivers/net/wireless/iwlwifi/mvm/constants.h
index 37d5f3594c4f..921b177a92b8 100644
--- a/drivers/net/wireless/iwlwifi/mvm/constants.h
+++ b/drivers/net/wireless/iwlwifi/mvm/constants.h
@@ -83,5 +83,6 @@
 #define IWL_MVM_LOWLAT_DUAL_BINDING_MAXDUR	24 /* TU */
 #define IWL_MVM_BT_COEX_SYNC2SCO		1
 #define IWL_MVM_BT_COEX_CORUNNING		1
+#define IWL_MVM_BT_COEX_MPLUT			1
 
 #endif /* __MVM_CONSTANTS_H */
diff --git a/drivers/net/wireless/iwlwifi/mvm/debugfs.c b/drivers/net/wireless/iwlwifi/mvm/debugfs.c
index cf1fa498e53e..2566fa9913ef 100644
--- a/drivers/net/wireless/iwlwifi/mvm/debugfs.c
+++ b/drivers/net/wireless/iwlwifi/mvm/debugfs.c
@@ -441,6 +441,22 @@ static ssize_t iwl_dbgfs_bt_cmd_read(struct file *file, char __user *user_buf,
 	return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 }
 
+static ssize_t
+iwl_dbgfs_bt_tx_prio_write(struct iwl_mvm *mvm, char *buf,
+			   size_t count, loff_t *ppos)
+{
+	u32 bt_tx_prio;
+
+	if (sscanf(buf, "%u", &bt_tx_prio) != 1)
+		return -EINVAL;
+	if (bt_tx_prio > 4)
+		return -EINVAL;
+
+	mvm->bt_tx_prio = bt_tx_prio;
+
+	return count;
+}
+
 #define PRINT_STATS_LE32(_str, _val)					\
 			 pos += scnprintf(buf + pos, bufsz - pos,	\
 					  fmt_table, _str,		\
@@ -1085,6 +1101,7 @@ MVM_DEBUGFS_READ_FILE_OPS(fw_rx_stats);
 MVM_DEBUGFS_READ_FILE_OPS(drv_rx_stats);
 MVM_DEBUGFS_WRITE_FILE_OPS(fw_restart, 10);
 MVM_DEBUGFS_WRITE_FILE_OPS(fw_nmi, 10);
+MVM_DEBUGFS_WRITE_FILE_OPS(bt_tx_prio, 10);
 MVM_DEBUGFS_READ_WRITE_FILE_OPS(scan_ant_rxchain, 8);
 MVM_DEBUGFS_READ_WRITE_FILE_OPS(d0i3_refs, 8);
 
@@ -1126,6 +1143,7 @@ int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir)
 	MVM_DEBUGFS_ADD_FILE(drv_rx_stats, mvm->debugfs_dir, S_IRUSR);
 	MVM_DEBUGFS_ADD_FILE(fw_restart, mvm->debugfs_dir, S_IWUSR);
 	MVM_DEBUGFS_ADD_FILE(fw_nmi, mvm->debugfs_dir, S_IWUSR);
+	MVM_DEBUGFS_ADD_FILE(bt_tx_prio, mvm->debugfs_dir, S_IWUSR);
 	MVM_DEBUGFS_ADD_FILE(scan_ant_rxchain, mvm->debugfs_dir,
 			     S_IWUSR | S_IRUSR);
 	MVM_DEBUGFS_ADD_FILE(prph_reg, mvm->debugfs_dir, S_IWUSR | S_IRUSR);
diff --git a/drivers/net/wireless/iwlwifi/mvm/fw-api-coex.h b/drivers/net/wireless/iwlwifi/mvm/fw-api-coex.h
index 32156d7e2d07..21877e5966a8 100644
--- a/drivers/net/wireless/iwlwifi/mvm/fw-api-coex.h
+++ b/drivers/net/wireless/iwlwifi/mvm/fw-api-coex.h
@@ -78,6 +78,7 @@
  * @BT_COEX_NW:
  * @BT_COEX_SYNC2SCO:
  * @BT_COEX_CORUNNING:
+ * @BT_COEX_MPLUT:
  *
  * The COEX_MODE must be set for each command. Even if it is not changed.
  */
@@ -90,6 +91,7 @@ enum iwl_bt_coex_flags {
 	BT_COEX_NW			= 0x3 << BT_COEX_MODE_POS,
 	BT_COEX_SYNC2SCO		= BIT(7),
 	BT_COEX_CORUNNING		= BIT(8),
+	BT_COEX_MPLUT			= BIT(9),
 };
 
 /*
diff --git a/drivers/net/wireless/iwlwifi/mvm/mvm.h b/drivers/net/wireless/iwlwifi/mvm/mvm.h
index cb6dbb140820..d58118241d61 100644
--- a/drivers/net/wireless/iwlwifi/mvm/mvm.h
+++ b/drivers/net/wireless/iwlwifi/mvm/mvm.h
@@ -611,6 +611,7 @@ struct iwl_mvm {
 	struct iwl_bt_coex_ci_cmd last_bt_ci_cmd;
 	u32 last_ant_isol;
 	u8 last_corun_lut;
+	u8 bt_tx_prio;
 
 	/* Thermal Throttling and CTkill */
 	struct iwl_mvm_tt_mgmt thermal_throttle;