From 6778948f9de86c3cfaf36725a7c87dcff9ba247f Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 11 Dec 2023 08:20:59 +0000
Subject: [PATCH] kernel_5.10 no rt
---
kernel/drivers/net/wireless/ath/ath10k/htc.h | 77 +++++++++++++++++++++++++++++---------
1 files changed, 58 insertions(+), 19 deletions(-)
diff --git a/kernel/drivers/net/wireless/ath/ath10k/htc.h b/kernel/drivers/net/wireless/ath/ath10k/htc.h
index 51fda6c..0d180fa 100644
--- a/kernel/drivers/net/wireless/ath/ath10k/htc.h
+++ b/kernel/drivers/net/wireless/ath/ath10k/htc.h
@@ -1,18 +1,7 @@
+/* SPDX-License-Identifier: ISC */
/*
* Copyright (c) 2005-2011 Atheros Communications Inc.
* Copyright (c) 2011-2016 Qualcomm Atheros, Inc.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef _HTC_H_
@@ -23,6 +12,7 @@
#include <linux/bug.h>
#include <linux/skbuff.h>
#include <linux/timer.h>
+#include <linux/bitfield.h>
struct ath10k;
@@ -50,8 +40,7 @@
* 4-byte aligned.
*/
-#define HTC_HOST_MAX_MSG_PER_RX_BUNDLE 8
-#define HTC_HOST_MAX_MSG_PER_TX_BUNDLE 16
+#define HTC_HOST_MAX_MSG_PER_RX_BUNDLE 32
enum ath10k_htc_tx_flags {
ATH10K_HTC_FLAG_NEED_CREDIT_UPDATE = 0x01,
@@ -61,8 +50,26 @@
enum ath10k_htc_rx_flags {
ATH10K_HTC_FLAGS_RECV_1MORE_BLOCK = 0x01,
ATH10K_HTC_FLAG_TRAILER_PRESENT = 0x02,
- ATH10K_HTC_FLAG_BUNDLE_MASK = 0xF0
};
+
+#define ATH10K_HTC_FLAG_BUNDLE_MASK GENMASK(7, 4)
+
+/* bits 2-3 are for extra bundle count bits 4-5 */
+#define ATH10K_HTC_BUNDLE_EXTRA_MASK GENMASK(3, 2)
+#define ATH10K_HTC_BUNDLE_EXTRA_SHIFT 4
+
+static inline unsigned int ath10k_htc_get_bundle_count(u8 max_msgs, u8 flags)
+{
+ unsigned int count, extra_count = 0;
+
+ count = FIELD_GET(ATH10K_HTC_FLAG_BUNDLE_MASK, flags);
+
+ if (max_msgs > 16)
+ extra_count = FIELD_GET(ATH10K_HTC_BUNDLE_EXTRA_MASK, flags) <<
+ ATH10K_HTC_BUNDLE_EXTRA_SHIFT;
+
+ return count + extra_count;
+}
struct ath10k_htc_hdr {
u8 eid; /* @enum ath10k_htc_ep_id */
@@ -76,8 +83,14 @@
u8 seq_no; /* for tx */
u8 control_byte1;
} __packed;
- u8 pad0;
- u8 pad1;
+ union {
+ __le16 pad_len;
+ struct {
+ u8 pad0;
+ u8 pad1;
+ } __packed;
+ } __packed;
+
} __packed __aligned(4);
enum ath10k_ath10k_htc_msg_id {
@@ -106,6 +119,8 @@
#define ATH10K_HTC_CONN_FLAGS_RECV_ALLOC_LSB 8
};
+#define ATH10K_HTC_MSG_READY_EXT_ALT_DATA_MASK 0xFFF
+
enum ath10k_htc_conn_svc_status {
ATH10K_HTC_CONN_SVC_STATUS_SUCCESS = 0,
ATH10K_HTC_CONN_SVC_STATUS_NOT_FOUND = 1,
@@ -113,6 +128,10 @@
ATH10K_HTC_CONN_SVC_STATUS_NO_RESOURCES = 3,
ATH10K_HTC_CONN_SVC_STATUS_NO_MORE_EP = 4
};
+
+#define ATH10K_MAX_MSG_PER_HTC_TX_BUNDLE 32
+#define ATH10K_MIN_MSG_PER_HTC_TX_BUNDLE 2
+#define ATH10K_MIN_CREDIT_PER_HTC_TX_BUNDLE 2
enum ath10k_htc_setup_complete_flags {
ATH10K_HTC_SETUP_COMPLETE_FLAGS_RX_BNDL_EN = 1
@@ -138,8 +157,14 @@
struct ath10k_htc_ready base;
u8 htc_version; /* @enum ath10k_htc_version */
u8 max_msgs_per_htc_bundle;
- u8 pad0;
- u8 pad1;
+ union {
+ __le16 reserved;
+ struct {
+ u8 pad0;
+ u8 pad1;
+ } __packed;
+ } __packed;
+
} __packed;
struct ath10k_htc_conn_svc {
@@ -346,7 +371,12 @@
u8 seq_no; /* for debugging */
int tx_credits;
+ int tx_credit_size;
bool tx_credit_flow_enabled;
+ bool bundle_tx;
+ struct sk_buff_head tx_req_head;
+ struct sk_buff_head tx_complete_head;
+
};
struct ath10k_htc_svc_tx_credits {
@@ -371,16 +401,25 @@
int total_transmit_credits;
int target_credit_size;
u8 max_msgs_per_htc_bundle;
+ int alt_data_credit_size;
};
int ath10k_htc_init(struct ath10k *ar);
int ath10k_htc_wait_target(struct ath10k_htc *htc);
+void ath10k_htc_setup_tx_req(struct ath10k_htc_ep *ep);
int ath10k_htc_start(struct ath10k_htc *htc);
int ath10k_htc_connect_service(struct ath10k_htc *htc,
struct ath10k_htc_svc_conn_req *conn_req,
struct ath10k_htc_svc_conn_resp *conn_resp);
+void ath10k_htc_change_tx_credit_flow(struct ath10k_htc *htc,
+ enum ath10k_htc_ep_id eid,
+ bool enable);
int ath10k_htc_send(struct ath10k_htc *htc, enum ath10k_htc_ep_id eid,
struct sk_buff *packet);
+void ath10k_htc_stop_hl(struct ath10k *ar);
+
+int ath10k_htc_send_hl(struct ath10k_htc *htc, enum ath10k_htc_ep_id eid,
+ struct sk_buff *packet);
struct sk_buff *ath10k_htc_alloc_skb(struct ath10k *ar, int size);
void ath10k_htc_tx_completion_handler(struct ath10k *ar, struct sk_buff *skb);
void ath10k_htc_rx_completion_handler(struct ath10k *ar, struct sk_buff *skb);
--
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