Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 6e7c0cd6 authored by Sandeep Singh's avatar Sandeep Singh
Browse files

wcnss: Read multiple SMD Packet from SMD Channel 



It observe that sometime, there are multiple SMD
packets in SMD channel. In current scenario,
driver reading one packet at single event.
Reading all SMD packets to avoid any packets miss.

Change-Id: Id7ef388af6200891b17bbe1456cc2fffa580a3d3
Signed-off-by: default avatarSandeep Singh <sandsing@codeaurora.org>
parent 1e577bde

drivers/net/wireless/wcnss/wcnss_wlan.c

+29 −14
Original line number Diff line number Diff line 
/* Copyright (c) 2011-2018, The Linux Foundation. All rights reserved.

/* Copyright (c) 2011-2019, The Linux Foundation. All rights reserved.

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 and
@@ -2144,9 +2144,8 @@ unlock_exit: 
	return;

}



static void wcnssctrl_rx_handler(struct work_struct *worker)

static void wcnss_process_smd_msg(int len)

{

	int len = 0;

	int rc = 0;

	unsigned char buf[sizeof(struct wcnss_version)];

	unsigned char build[WCNSS_MAX_BUILD_VER_LEN+1];
@@ -2156,17 +2155,6 @@ static void wcnssctrl_rx_handler(struct work_struct *worker) 
	int hw_type;

	unsigned char fw_status = 0;



	len = smd_read_avail(penv->smd_ch);

	if (len > WCNSS_MAX_FRAME_SIZE) {

		pr_err("wcnss: frame larger than the allowed size\n");

		smd_read(penv->smd_ch, NULL, len);

		return;

	}

	if (len < sizeof(struct smd_msg_hdr)) {

		pr_debug("wcnss: incomplete header available len = %d\n", len);

		return;

	}



	rc = smd_read(penv->smd_ch, buf, sizeof(struct smd_msg_hdr));

	if (rc < sizeof(struct smd_msg_hdr)) {

		pr_err("wcnss: incomplete header read from smd\n");
@@ -2276,6 +2264,33 @@ static void wcnssctrl_rx_handler(struct work_struct *worker) 
	return;

}



static void wcnssctrl_rx_handler(struct work_struct *worker)

{

	int len;



	while (1) {

		len = smd_read_avail(penv->smd_ch);

		if (len == 0) {

			pr_debug("wcnss: No more data to be read\n");

			return;

		}



		if (len > WCNSS_MAX_FRAME_SIZE) {

			pr_err("wcnss: frame larger than the allowed size\n");

			smd_read(penv->smd_ch, NULL, len);

			return;

		}



		if (len < sizeof(struct smd_msg_hdr)) {

			pr_err("wcnss: incomplete header available len = %d\n",

			       len);

			return;

		}



		wcnss_process_smd_msg(len);

	}

}



static void wcnss_send_version_req(struct work_struct *worker)

{

	struct smd_msg_hdr smd_msg;