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path: root/package/kernel/mac80211/patches/931-ath10k_add_ath10k_fw_ie_htt_op_version.patch
blob: 45384ed3643954b2e10139e86038b74d4a6ae11c (plain)
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diff --git a/drivers/net/wireless/ath/ath10k/core.c b/drivers/net/wireless/ath/ath10k/core.c
index 02da72e..f3788e2 100644
--- a/drivers/net/wireless/ath/ath10k/core.c
+++ b/drivers/net/wireless/ath/ath10k/core.c
@@ -675,6 +675,17 @@ static int ath10k_core_fetch_firmware_api_n(struct ath10k *ar, const char *name)
 			ath10k_dbg(ar, ATH10K_DBG_BOOT, "found fw ie wmi op version %d\n",
 				   ar->wmi.op_version);
 			break;
+		case ATH10K_FW_IE_HTT_OP_VERSION:
+			if (ie_len != sizeof(u32))
+				break;
+
+			version = (__le32 *)data;
+
+			ar->htt.op_version = le32_to_cpup(version);
+
+			ath10k_dbg(ar, ATH10K_DBG_BOOT, "found fw ie htt op version %d\n",
+				   ar->htt.op_version);
+			break;
 		default:
 			ath10k_warn(ar, "Unknown FW IE: %u\n",
 				    le32_to_cpu(hdr->id));
diff --git a/drivers/net/wireless/ath/ath10k/htt.c b/drivers/net/wireless/ath/ath10k/htt.c
index 4f59ab9..f782d76 100644
--- a/drivers/net/wireless/ath/ath10k/htt.c
+++ b/drivers/net/wireless/ath/ath10k/htt.c
@@ -22,6 +22,86 @@
 #include "core.h"
 #include "debug.h"
 
+static const enum htt_t2h_msg_type htt_main_t2h_msg_types[] = {
+	[HTT_MAIN_T2H_MSG_TYPE_VERSION_CONF] = HTT_T2H_MSG_TYPE_VERSION_CONF,
+	[HTT_MAIN_T2H_MSG_TYPE_RX_IND] = HTT_T2H_MSG_TYPE_RX_IND,
+	[HTT_MAIN_T2H_MSG_TYPE_RX_FLUSH] = HTT_T2H_MSG_TYPE_RX_FLUSH,
+	[HTT_MAIN_T2H_MSG_TYPE_PEER_MAP] = HTT_T2H_MSG_TYPE_PEER_MAP,
+	[HTT_MAIN_T2H_MSG_TYPE_PEER_UNMAP] = HTT_T2H_MSG_TYPE_PEER_UNMAP,
+	[HTT_MAIN_T2H_MSG_TYPE_RX_ADDBA] = HTT_T2H_MSG_TYPE_RX_ADDBA,
+	[HTT_MAIN_T2H_MSG_TYPE_RX_DELBA] = HTT_T2H_MSG_TYPE_RX_DELBA,
+	[HTT_MAIN_T2H_MSG_TYPE_TX_COMPL_IND] = HTT_T2H_MSG_TYPE_TX_COMPL_IND,
+	[HTT_MAIN_T2H_MSG_TYPE_PKTLOG] = HTT_T2H_MSG_TYPE_PKTLOG,
+	[HTT_MAIN_T2H_MSG_TYPE_STATS_CONF] = HTT_T2H_MSG_TYPE_STATS_CONF,
+	[HTT_MAIN_T2H_MSG_TYPE_RX_FRAG_IND] = HTT_T2H_MSG_TYPE_RX_FRAG_IND,
+	[HTT_MAIN_T2H_MSG_TYPE_SEC_IND] = HTT_T2H_MSG_TYPE_SEC_IND,
+	[HTT_MAIN_T2H_MSG_TYPE_TX_INSPECT_IND] =
+		HTT_T2H_MSG_TYPE_TX_INSPECT_IND,
+	[HTT_MAIN_T2H_MSG_TYPE_MGMT_TX_COMPL_IND] =
+		HTT_T2H_MSG_TYPE_MGMT_TX_COMPLETION,
+	[HTT_MAIN_T2H_MSG_TYPE_TX_CREDIT_UPDATE_IND] =
+		HTT_T2H_MSG_TYPE_TX_CREDIT_UPDATE_IND,
+	[HTT_MAIN_T2H_MSG_TYPE_RX_PN_IND] = HTT_T2H_MSG_TYPE_RX_PN_IND,
+	[HTT_MAIN_T2H_MSG_TYPE_RX_OFFLOAD_DELIVER_IND] =
+		HTT_T2H_MSG_TYPE_RX_OFFLOAD_DELIVER_IND,
+	[HTT_MAIN_T2H_MSG_TYPE_TEST] = HTT_T2H_MSG_TYPE_TEST,
+};
+
+static const enum htt_t2h_msg_type htt_10x_t2h_msg_types[] = {
+	[HTT_10X_T2H_MSG_TYPE_VERSION_CONF] = HTT_T2H_MSG_TYPE_VERSION_CONF,
+	[HTT_10X_T2H_MSG_TYPE_RX_IND] = HTT_T2H_MSG_TYPE_RX_IND,
+	[HTT_10X_T2H_MSG_TYPE_RX_FLUSH] = HTT_T2H_MSG_TYPE_RX_FLUSH,
+	[HTT_10X_T2H_MSG_TYPE_PEER_MAP] = HTT_T2H_MSG_TYPE_PEER_MAP,
+	[HTT_10X_T2H_MSG_TYPE_PEER_UNMAP] = HTT_T2H_MSG_TYPE_PEER_UNMAP,
+	[HTT_10X_T2H_MSG_TYPE_RX_ADDBA] = HTT_T2H_MSG_TYPE_RX_ADDBA,
+	[HTT_10X_T2H_MSG_TYPE_RX_DELBA] = HTT_T2H_MSG_TYPE_RX_DELBA,
+	[HTT_10X_T2H_MSG_TYPE_TX_COMPL_IND] = HTT_T2H_MSG_TYPE_TX_COMPL_IND,
+	[HTT_10X_T2H_MSG_TYPE_PKTLOG] = HTT_T2H_MSG_TYPE_PKTLOG,
+	[HTT_10X_T2H_MSG_TYPE_STATS_CONF] = HTT_T2H_MSG_TYPE_STATS_CONF,
+	[HTT_10X_T2H_MSG_TYPE_RX_FRAG_IND] = HTT_T2H_MSG_TYPE_RX_FRAG_IND,
+	[HTT_10X_T2H_MSG_TYPE_SEC_IND] = HTT_T2H_MSG_TYPE_SEC_IND,
+	[HTT_10X_T2H_MSG_TYPE_RC_UPDATE_IND] = HTT_T2H_MSG_TYPE_RC_UPDATE_IND,
+	[HTT_10X_T2H_MSG_TYPE_TX_INSPECT_IND] = HTT_T2H_MSG_TYPE_TX_INSPECT_IND,
+	[HTT_10X_T2H_MSG_TYPE_TEST] = HTT_T2H_MSG_TYPE_TEST,
+	[HTT_10X_T2H_MSG_TYPE_CHAN_CHANGE] = HTT_T2H_MSG_TYPE_CHAN_CHANGE,
+	[HTT_10X_T2H_MSG_TYPE_AGGR_CONF] = HTT_T2H_MSG_TYPE_AGGR_CONF,
+	[HTT_10X_T2H_MSG_TYPE_STATS_NOUPLOAD] = HTT_T2H_MSG_TYPE_STATS_NOUPLOAD,
+	[HTT_10X_T2H_MSG_TYPE_MGMT_TX_COMPL_IND] =
+		HTT_T2H_MSG_TYPE_MGMT_TX_COMPLETION,
+};
+
+static const enum htt_t2h_msg_type htt_tlv_t2h_msg_types[] = {
+	[HTT_TLV_T2H_MSG_TYPE_VERSION_CONF] = HTT_T2H_MSG_TYPE_VERSION_CONF,
+	[HTT_TLV_T2H_MSG_TYPE_RX_IND] = HTT_T2H_MSG_TYPE_RX_IND,
+	[HTT_TLV_T2H_MSG_TYPE_RX_FLUSH] = HTT_T2H_MSG_TYPE_RX_FLUSH,
+	[HTT_TLV_T2H_MSG_TYPE_PEER_MAP] = HTT_T2H_MSG_TYPE_PEER_MAP,
+	[HTT_TLV_T2H_MSG_TYPE_PEER_UNMAP] = HTT_T2H_MSG_TYPE_PEER_UNMAP,
+	[HTT_TLV_T2H_MSG_TYPE_RX_ADDBA] = HTT_T2H_MSG_TYPE_RX_ADDBA,
+	[HTT_TLV_T2H_MSG_TYPE_RX_DELBA] = HTT_T2H_MSG_TYPE_RX_DELBA,
+	[HTT_TLV_T2H_MSG_TYPE_TX_COMPL_IND] = HTT_T2H_MSG_TYPE_TX_COMPL_IND,
+	[HTT_TLV_T2H_MSG_TYPE_PKTLOG] = HTT_T2H_MSG_TYPE_PKTLOG,
+	[HTT_TLV_T2H_MSG_TYPE_STATS_CONF] = HTT_T2H_MSG_TYPE_STATS_CONF,
+	[HTT_TLV_T2H_MSG_TYPE_RX_FRAG_IND] = HTT_T2H_MSG_TYPE_RX_FRAG_IND,
+	[HTT_TLV_T2H_MSG_TYPE_SEC_IND] = HTT_T2H_MSG_TYPE_SEC_IND,
+	[HTT_TLV_T2H_MSG_TYPE_RC_UPDATE_IND] = HTT_T2H_MSG_TYPE_RC_UPDATE_IND,
+	[HTT_TLV_T2H_MSG_TYPE_TX_INSPECT_IND] = HTT_T2H_MSG_TYPE_TX_INSPECT_IND,
+	[HTT_TLV_T2H_MSG_TYPE_MGMT_TX_COMPL_IND] =
+		HTT_T2H_MSG_TYPE_MGMT_TX_COMPLETION,
+	[HTT_TLV_T2H_MSG_TYPE_TX_CREDIT_UPDATE_IND] =
+		HTT_T2H_MSG_TYPE_TX_CREDIT_UPDATE_IND,
+	[HTT_TLV_T2H_MSG_TYPE_RX_PN_IND] = HTT_T2H_MSG_TYPE_RX_PN_IND,
+	[HTT_TLV_T2H_MSG_TYPE_RX_OFFLOAD_DELIVER_IND] =
+		HTT_T2H_MSG_TYPE_RX_OFFLOAD_DELIVER_IND,
+	[HTT_TLV_T2H_MSG_TYPE_RX_IN_ORD_PADDR_IND] =
+		HTT_T2H_MSG_TYPE_RX_IN_ORD_PADDR_IND,
+	[HTT_TLV_T2H_MSG_TYPE_WDI_IPA_OP_RESPONSE] =
+		HTT_T2H_MSG_TYPE_WDI_IPA_OP_RESPONSE,
+	[HTT_TLV_T2H_MSG_TYPE_CHAN_CHANGE] = HTT_T2H_MSG_TYPE_CHAN_CHANGE,
+	[HTT_TLV_T2H_MSG_TYPE_RX_OFLD_PKT_ERR] =
+		HTT_T2H_MSG_TYPE_RX_OFLD_PKT_ERR,
+	[HTT_TLV_T2H_MSG_TYPE_TEST] = HTT_T2H_MSG_TYPE_TEST,
+};
+
 int ath10k_htt_connect(struct ath10k_htt *htt)
 {
 	struct ath10k_htc_svc_conn_req conn_req;
@@ -66,6 +146,24 @@ int ath10k_htt_init(struct ath10k *ar)
 		8 + /* llc snap */
 		2; /* ip4 dscp or ip6 priority */
 
+	switch (ar->htt.op_version) {
+	case ATH10K_FW_HTT_OP_VERSION_10_1:
+		ar->htt.t2h_msg_types = htt_10x_t2h_msg_types;
+		ar->htt.t2h_msg_types_max = HTT_10X_T2H_NUM_MSGS;
+		break;
+	case ATH10K_FW_HTT_OP_VERSION_TLV:
+		ar->htt.t2h_msg_types = htt_tlv_t2h_msg_types;
+		ar->htt.t2h_msg_types_max = HTT_TLV_T2H_NUM_MSGS;
+		break;
+	case ATH10K_FW_HTT_OP_VERSION_MAIN:
+	case ATH10K_FW_HTT_OP_VERSION_UNSET:
+		ar->htt.t2h_msg_types = htt_main_t2h_msg_types;
+		ar->htt.t2h_msg_types_max = HTT_MAIN_T2H_NUM_MSGS;
+		break;
+	case ATH10K_FW_HTT_OP_VERSION_MAX:
+		WARN_ON(1);
+		return -EINVAL;
+	}
 	return 0;
 }
 
diff --git a/drivers/net/wireless/ath/ath10k/htt.h b/drivers/net/wireless/ath/ath10k/htt.h
index 874bf44..95df742 100644
--- a/drivers/net/wireless/ath/ath10k/htt.h
+++ b/drivers/net/wireless/ath/ath10k/htt.h
@@ -26,6 +26,7 @@
 
 #include "htc.h"
 #include "rx_desc.h"
+#include "hw.h"
 
 enum htt_dbg_stats_type {
 	HTT_DBG_STATS_WAL_PDEV_TXRX = 1 << 0,
@@ -271,35 +272,108 @@ enum htt_mgmt_tx_status {
 
 /*=== target -> host messages ===============================================*/
 
-enum htt_t2h_msg_type {
-	HTT_T2H_MSG_TYPE_VERSION_CONF		= 0x0,
-	HTT_T2H_MSG_TYPE_RX_IND			= 0x1,
-	HTT_T2H_MSG_TYPE_RX_FLUSH		= 0x2,
-	HTT_T2H_MSG_TYPE_PEER_MAP		= 0x3,
-	HTT_T2H_MSG_TYPE_PEER_UNMAP		= 0x4,
-	HTT_T2H_MSG_TYPE_RX_ADDBA		= 0x5,
-	HTT_T2H_MSG_TYPE_RX_DELBA		= 0x6,
-	HTT_T2H_MSG_TYPE_TX_COMPL_IND		= 0x7,
-	HTT_T2H_MSG_TYPE_PKTLOG			= 0x8,
-	HTT_T2H_MSG_TYPE_STATS_CONF		= 0x9,
-	HTT_T2H_MSG_TYPE_RX_FRAG_IND		= 0xa,
-	HTT_T2H_MSG_TYPE_SEC_IND		= 0xb,
-	HTT_T2H_MSG_TYPE_RC_UPDATE_IND		= 0xc,
-	HTT_T2H_MSG_TYPE_TX_INSPECT_IND		= 0xd,
-	HTT_T2H_MSG_TYPE_MGMT_TX_COMPLETION	= 0xe,
-	HTT_T2H_MSG_TYPE_TX_CREDIT_UPDATE_IND	= 0xf,
-	HTT_T2H_MSG_TYPE_RX_PN_IND		= 0x10,
-	HTT_T2H_MSG_TYPE_RX_OFFLOAD_DELIVER_IND = 0x11,
-	HTT_T2H_MSG_TYPE_RX_IN_ORD_PADDR_IND	= 0x12,
+enum htt_main_t2h_msg_type {
+	HTT_MAIN_T2H_MSG_TYPE_VERSION_CONF             = 0x0,
+	HTT_MAIN_T2H_MSG_TYPE_RX_IND                   = 0x1,
+	HTT_MAIN_T2H_MSG_TYPE_RX_FLUSH                 = 0x2,
+	HTT_MAIN_T2H_MSG_TYPE_PEER_MAP                 = 0x3,
+	HTT_MAIN_T2H_MSG_TYPE_PEER_UNMAP               = 0x4,
+	HTT_MAIN_T2H_MSG_TYPE_RX_ADDBA                 = 0x5,
+	HTT_MAIN_T2H_MSG_TYPE_RX_DELBA                 = 0x6,
+	HTT_MAIN_T2H_MSG_TYPE_TX_COMPL_IND             = 0x7,
+	HTT_MAIN_T2H_MSG_TYPE_PKTLOG                   = 0x8,
+	HTT_MAIN_T2H_MSG_TYPE_STATS_CONF               = 0x9,
+	HTT_MAIN_T2H_MSG_TYPE_RX_FRAG_IND              = 0xa,
+	HTT_MAIN_T2H_MSG_TYPE_SEC_IND                  = 0xb,
+	HTT_MAIN_T2H_MSG_TYPE_TX_INSPECT_IND           = 0xd,
+	HTT_MAIN_T2H_MSG_TYPE_MGMT_TX_COMPL_IND        = 0xe,
+	HTT_MAIN_T2H_MSG_TYPE_TX_CREDIT_UPDATE_IND     = 0xf,
+	HTT_MAIN_T2H_MSG_TYPE_RX_PN_IND                = 0x10,
+	HTT_MAIN_T2H_MSG_TYPE_RX_OFFLOAD_DELIVER_IND   = 0x11,
+	HTT_MAIN_T2H_MSG_TYPE_TEST,
+	/* keep this last */
+	HTT_MAIN_T2H_NUM_MSGS
+};
+
+enum htt_10x_t2h_msg_type {
+	HTT_10X_T2H_MSG_TYPE_VERSION_CONF              = 0x0,
+	HTT_10X_T2H_MSG_TYPE_RX_IND                    = 0x1,
+	HTT_10X_T2H_MSG_TYPE_RX_FLUSH                  = 0x2,
+	HTT_10X_T2H_MSG_TYPE_PEER_MAP                  = 0x3,
+	HTT_10X_T2H_MSG_TYPE_PEER_UNMAP                = 0x4,
+	HTT_10X_T2H_MSG_TYPE_RX_ADDBA                  = 0x5,
+	HTT_10X_T2H_MSG_TYPE_RX_DELBA                  = 0x6,
+	HTT_10X_T2H_MSG_TYPE_TX_COMPL_IND              = 0x7,
+	HTT_10X_T2H_MSG_TYPE_PKTLOG                    = 0x8,
+	HTT_10X_T2H_MSG_TYPE_STATS_CONF                = 0x9,
+	HTT_10X_T2H_MSG_TYPE_RX_FRAG_IND               = 0xa,
+	HTT_10X_T2H_MSG_TYPE_SEC_IND                   = 0xb,
+	HTT_10X_T2H_MSG_TYPE_RC_UPDATE_IND             = 0xc,
+	HTT_10X_T2H_MSG_TYPE_TX_INSPECT_IND            = 0xd,
+	HTT_10X_T2H_MSG_TYPE_TEST                      = 0xe,
+	HTT_10X_T2H_MSG_TYPE_CHAN_CHANGE               = 0xf,
+	HTT_10X_T2H_MSG_TYPE_AGGR_CONF                 = 0x11,
+	HTT_10X_T2H_MSG_TYPE_STATS_NOUPLOAD            = 0x12,
+	HTT_10X_T2H_MSG_TYPE_MGMT_TX_COMPL_IND         = 0x13,
+	/* keep this last */
+	HTT_10X_T2H_NUM_MSGS
+};
+
+enum htt_tlv_t2h_msg_type {
+	HTT_TLV_T2H_MSG_TYPE_VERSION_CONF              = 0x0,
+	HTT_TLV_T2H_MSG_TYPE_RX_IND                    = 0x1,
+	HTT_TLV_T2H_MSG_TYPE_RX_FLUSH                  = 0x2,
+	HTT_TLV_T2H_MSG_TYPE_PEER_MAP                  = 0x3,
+	HTT_TLV_T2H_MSG_TYPE_PEER_UNMAP                = 0x4,
+	HTT_TLV_T2H_MSG_TYPE_RX_ADDBA                  = 0x5,
+	HTT_TLV_T2H_MSG_TYPE_RX_DELBA                  = 0x6,
+	HTT_TLV_T2H_MSG_TYPE_TX_COMPL_IND              = 0x7,
+	HTT_TLV_T2H_MSG_TYPE_PKTLOG                    = 0x8,
+	HTT_TLV_T2H_MSG_TYPE_STATS_CONF                = 0x9,
+	HTT_TLV_T2H_MSG_TYPE_RX_FRAG_IND               = 0xa,
+	HTT_TLV_T2H_MSG_TYPE_SEC_IND                   = 0xb,
+	HTT_TLV_T2H_MSG_TYPE_RC_UPDATE_IND             = 0xc, /* deprecated */
+	HTT_TLV_T2H_MSG_TYPE_TX_INSPECT_IND            = 0xd,
+	HTT_TLV_T2H_MSG_TYPE_MGMT_TX_COMPL_IND         = 0xe,
+	HTT_TLV_T2H_MSG_TYPE_TX_CREDIT_UPDATE_IND      = 0xf,
+	HTT_TLV_T2H_MSG_TYPE_RX_PN_IND                 = 0x10,
+	HTT_TLV_T2H_MSG_TYPE_RX_OFFLOAD_DELIVER_IND    = 0x11,
+	HTT_TLV_T2H_MSG_TYPE_RX_IN_ORD_PADDR_IND       = 0x12,
 	/* 0x13 reservd */
-	HTT_T2H_MSG_TYPE_WDI_IPA_OP_RESPONSE	= 0x14,
+	HTT_TLV_T2H_MSG_TYPE_WDI_IPA_OP_RESPONSE       = 0x14,
+	HTT_TLV_T2H_MSG_TYPE_CHAN_CHANGE               = 0x15,
+	HTT_TLV_T2H_MSG_TYPE_RX_OFLD_PKT_ERR           = 0x16,
+	HTT_TLV_T2H_MSG_TYPE_TEST,
+	/* keep this last */
+	HTT_TLV_T2H_NUM_MSGS
+};
 
-	/* FIXME: Do not depend on this event id. Numbering of this event id is
-	 * broken across different firmware revisions and HTT version fails to
-	 * indicate this.
-	 */
+enum htt_t2h_msg_type {
+	HTT_T2H_MSG_TYPE_VERSION_CONF,
+	HTT_T2H_MSG_TYPE_RX_IND,
+	HTT_T2H_MSG_TYPE_RX_FLUSH,
+	HTT_T2H_MSG_TYPE_PEER_MAP,
+	HTT_T2H_MSG_TYPE_PEER_UNMAP,
+	HTT_T2H_MSG_TYPE_RX_ADDBA,
+	HTT_T2H_MSG_TYPE_RX_DELBA,
+	HTT_T2H_MSG_TYPE_TX_COMPL_IND,
+	HTT_T2H_MSG_TYPE_PKTLOG,
+	HTT_T2H_MSG_TYPE_STATS_CONF,
+	HTT_T2H_MSG_TYPE_RX_FRAG_IND,
+	HTT_T2H_MSG_TYPE_SEC_IND,
+	HTT_T2H_MSG_TYPE_RC_UPDATE_IND,
+	HTT_T2H_MSG_TYPE_TX_INSPECT_IND,
+	HTT_T2H_MSG_TYPE_MGMT_TX_COMPLETION,
+	HTT_T2H_MSG_TYPE_TX_CREDIT_UPDATE_IND,
+	HTT_T2H_MSG_TYPE_RX_PN_IND,
+	HTT_T2H_MSG_TYPE_RX_OFFLOAD_DELIVER_IND,
+	HTT_T2H_MSG_TYPE_RX_IN_ORD_PADDR_IND,
+	HTT_T2H_MSG_TYPE_WDI_IPA_OP_RESPONSE,
+	HTT_T2H_MSG_TYPE_CHAN_CHANGE,
+	HTT_T2H_MSG_TYPE_RX_OFLD_PKT_ERR,
+	HTT_T2H_MSG_TYPE_AGGR_CONF,
+	HTT_T2H_MSG_TYPE_STATS_NOUPLOAD,
 	HTT_T2H_MSG_TYPE_TEST,
-
 	/* keep this last */
 	HTT_T2H_NUM_MSGS
 };
@@ -1248,6 +1322,10 @@ struct ath10k_htt {
 	u8 target_version_major;
 	u8 target_version_minor;
 	struct completion target_version_received;
+	enum ath10k_fw_htt_op_version op_version;
+
+	const enum htt_t2h_msg_type *t2h_msg_types;
+	u32 t2h_msg_types_max;
 
 	struct {
 		/*
diff --git a/drivers/net/wireless/ath/ath10k/htt_rx.c b/drivers/net/wireless/ath/ath10k/htt_rx.c
index 01a2b38..21e9253 100644
--- a/drivers/net/wireless/ath/ath10k/htt_rx.c
+++ b/drivers/net/wireless/ath/ath10k/htt_rx.c
@@ -1892,6 +1892,7 @@ void ath10k_htt_t2h_msg_handler(struct ath10k *ar, struct sk_buff *skb)
 {
 	struct ath10k_htt *htt = &ar->htt;
 	struct htt_resp *resp = (struct htt_resp *)skb->data;
+	enum htt_t2h_msg_type type;
 
 	/* confirm alignment */
 	if (!IS_ALIGNED((unsigned long)skb->data, 4))
@@ -1899,7 +1900,16 @@ void ath10k_htt_t2h_msg_handler(struct ath10k *ar, struct sk_buff *skb)
 
 	ath10k_dbg(ar, ATH10K_DBG_HTT, "htt rx, msg_type: 0x%0X\n",
 		   resp->hdr.msg_type);
-	switch (resp->hdr.msg_type) {
+
+	if (resp->hdr.msg_type >= ar->htt.t2h_msg_types_max) {
+		ath10k_dbg(ar, ATH10K_DBG_HTT, "htt rx, unsupported msg_type: 0x%0X\n max: 0x%0X",
+			   resp->hdr.msg_type, ar->htt.t2h_msg_types_max);
+		dev_kfree_skb_any(skb);
+		return;
+	}
+	type = ar->htt.t2h_msg_types[resp->hdr.msg_type];
+
+	switch (type) {
 	case HTT_T2H_MSG_TYPE_VERSION_CONF: {
 		htt->target_version_major = resp->ver_resp.major;
 		htt->target_version_minor = resp->ver_resp.minor;
@@ -1976,7 +1986,6 @@ void ath10k_htt_t2h_msg_handler(struct ath10k *ar, struct sk_buff *skb)
 		break;
 	}
 	case HTT_T2H_MSG_TYPE_TEST:
-		/* FIX THIS */
 		break;
 	case HTT_T2H_MSG_TYPE_STATS_CONF:
 		trace_ath10k_htt_stats(ar, skb->data, skb->len);
@@ -2018,11 +2027,8 @@ void ath10k_htt_t2h_msg_handler(struct ath10k *ar, struct sk_buff *skb)
 		return;
 	}
 	case HTT_T2H_MSG_TYPE_TX_CREDIT_UPDATE_IND:
-		/* FIXME: This WMI-TLV event is overlapping with 10.2
-		 * CHAN_CHANGE - both being 0xF. Neither is being used in
-		 * practice so no immediate action is necessary. Nevertheless
-		 * HTT may need an abstraction layer like WMI has one day.
-		 */
+		break;
+	case HTT_T2H_MSG_TYPE_CHAN_CHANGE:
 		break;
 	default:
 		ath10k_warn(ar, "htt event (%d) not handled\n",
diff --git a/drivers/net/wireless/ath/ath10k/hw.h b/drivers/net/wireless/ath/ath10k/hw.h
index 22c993d..c236dd3 100644
--- a/drivers/net/wireless/ath/ath10k/hw.h
+++ b/drivers/net/wireless/ath/ath10k/hw.h
@@ -104,6 +104,11 @@ enum ath10k_fw_ie_type {
 	 * FW API 4 and above.
 	 */
 	ATH10K_FW_IE_WMI_OP_VERSION = 5,
+
+	/* HTT "operations" interface version, 32 bit value. Supported from
+	 * FW API 5 and above.
+	 */
+	ATH10K_FW_IE_HTT_OP_VERSION = 6,
 };
 
 enum ath10k_fw_wmi_op_version {
@@ -119,6 +124,20 @@ enum ath10k_fw_wmi_op_version {
 	ATH10K_FW_WMI_OP_VERSION_MAX,
 };
 
+enum ath10k_fw_htt_op_version {
+	ATH10K_FW_HTT_OP_VERSION_UNSET = 0,
+
+	ATH10K_FW_HTT_OP_VERSION_MAIN = 1,
+
+	/* also used in 10.2 and 10.2.4 branches */
+	ATH10K_FW_HTT_OP_VERSION_10_1 = 2,
+
+	ATH10K_FW_HTT_OP_VERSION_TLV = 3,
+
+	/* keep last */
+	ATH10K_FW_HTT_OP_VERSION_MAX,
+};
+
 enum ath10k_hw_rev {
 	ATH10K_HW_QCA988X,
 	ATH10K_HW_QCA6174,