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Commit e72c2746 authored by Kalle Valo's avatar Kalle Valo
Browse files

ath6kl: print firmware capabilities 



Printin the  firmware capabilities during the first firmware boot makes it easier to find out what
features firmware supports.

Obligatory screenshot:

[21025.678481] ath6kl: ar6003 hw 2.1.1 sdio fw 3.2.0.144 api 3
[21025.678667] ath6kl: firmware supports: sched-scan,sta-p2pdev-duplex,rsn-cap-override

Signed-off-by: default avatarKalle Valo <kvalo@qca.qualcomm.com>
parent 1fdc7fe1

drivers/net/wireless/ath/ath6kl/init.c

+73 −0
Original line number Diff line number Diff line
@@ -1549,10 +1549,81 @@ static const char *ath6kl_init_get_hif_name(enum ath6kl_hif_type type) 
	return NULL;

}





static const struct fw_capa_str_map {

	int id;

	const char *name;

} fw_capa_map[] = {

	{ ATH6KL_FW_CAPABILITY_HOST_P2P, "host-p2p" },

	{ ATH6KL_FW_CAPABILITY_SCHED_SCAN, "sched-scan" },

	{ ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX, "sta-p2pdev-duplex" },

	{ ATH6KL_FW_CAPABILITY_INACTIVITY_TIMEOUT, "inactivity-timeout" },

	{ ATH6KL_FW_CAPABILITY_RSN_CAP_OVERRIDE, "rsn-cap-override" },

	{ ATH6KL_FW_CAPABILITY_WOW_MULTICAST_FILTER, "wow-mc-filter" },

	{ ATH6KL_FW_CAPABILITY_BMISS_ENHANCE, "bmiss-enhance" },

	{ ATH6KL_FW_CAPABILITY_SCHED_SCAN_MATCH_LIST, "sscan-match-list" },

	{ ATH6KL_FW_CAPABILITY_RSSI_SCAN_THOLD, "rssi-scan-thold" },

	{ ATH6KL_FW_CAPABILITY_CUSTOM_MAC_ADDR, "custom-mac-addr" },

	{ ATH6KL_FW_CAPABILITY_TX_ERR_NOTIFY, "tx-err-notify" },

	{ ATH6KL_FW_CAPABILITY_REGDOMAIN, "regdomain" },

	{ ATH6KL_FW_CAPABILITY_SCHED_SCAN_V2, "sched-scan-v2" },

	{ ATH6KL_FW_CAPABILITY_HEART_BEAT_POLL, "hb-poll" },

};



static const char *ath6kl_init_get_fw_capa_name(unsigned int id)

{

	int i;



	for (i = 0; i < ARRAY_SIZE(fw_capa_map); i++) {

		if (fw_capa_map[i].id == id)

			return fw_capa_map[i].name;

	}



	return "<unknown>";

}



static void ath6kl_init_get_fwcaps(struct ath6kl *ar, char *buf, size_t buf_len)

{

	u8 *data = (u8 *) ar->fw_capabilities;

	size_t trunc_len, len = 0;

	int i, index, bit;

	char *trunc = "...";



	for (i = 0; i < ATH6KL_FW_CAPABILITY_MAX; i++) {

		index = i / 8;

		bit = i % 8;



		if (index >= sizeof(ar->fw_capabilities) * 4)

			break;



		if (buf_len - len < 4) {

			ath6kl_warn("firmware capability buffer too small!\n");



			/* add "..." to the end of string */

			trunc_len = strlen(trunc) + 1;

			strncpy(buf + buf_len - trunc_len, trunc, trunc_len);



			return;

		}



		if (data[index] & (1 << bit)) {

			len += scnprintf(buf + len, buf_len - len, "%s,",

					    ath6kl_init_get_fw_capa_name(i));

		}

	}



	/* overwrite the last comma */

	if (len > 0)

		len--;



	buf[len] = '\0';

}



static int __ath6kl_init_hw_start(struct ath6kl *ar)

{

	long timeleft;

	int ret, i;

	char buf[200];



	ath6kl_dbg(ATH6KL_DBG_BOOT, "hw start\n");
@@ -1615,6 +1686,8 @@ static int __ath6kl_init_hw_start(struct ath6kl *ar) 
			    ar->wiphy->fw_version,

			    ar->fw_api,

			    test_bit(TESTMODE, &ar->flag) ? " testmode" : "");

		ath6kl_init_get_fwcaps(ar, buf, sizeof(buf));

		ath6kl_info("firmware supports: %s\n", buf);

	}



	if (ar->version.abi_ver != ATH6KL_ABI_VERSION) {