ath9k: clean up and enhance ANI debugfs file (abee4c84) · Commits · 戴 / test

drivers/net/wireless/ath/ath9k/debug.c

+28 −30

Original line number	Diff line number	Diff line
		@@ -139,43 +139,41 @@ static ssize_t read_file_ani(struct file file, char __user user_buf,
		const unsigned int size = 1024;
		ssize_t retval = 0;
		char *buf;
		int i;
		struct {
		const char *name;
		unsigned int val;
		} ani_info[] = {
		{ "ANI RESET", ah->stats.ast_ani_reset },
		{ "OFDM LEVEL", ah->ani.ofdmNoiseImmunityLevel },
		{ "CCK LEVEL", ah->ani.cckNoiseImmunityLevel },
		{ "SPUR UP", ah->stats.ast_ani_spurup },
		{ "SPUR DOWN", ah->stats.ast_ani_spurup },
		{ "OFDM WS-DET ON", ah->stats.ast_ani_ofdmon },
		{ "OFDM WS-DET OFF", ah->stats.ast_ani_ofdmoff },
		{ "MRC-CCK ON", ah->stats.ast_ani_ccklow },
		{ "MRC-CCK OFF", ah->stats.ast_ani_cckhigh },
		{ "FIR-STEP UP", ah->stats.ast_ani_stepup },
		{ "FIR-STEP DOWN", ah->stats.ast_ani_stepdown },
		{ "INV LISTENTIME", ah->stats.ast_ani_lneg_or_lzero },
		{ "OFDM ERRORS", ah->stats.ast_ani_ofdmerrs },
		{ "CCK ERRORS", ah->stats.ast_ani_cckerrs },
		};

		buf = kzalloc(size, GFP_KERNEL);
		if (buf == NULL)
		return -ENOMEM;

		if (common->disable_ani) {
		len += scnprintf(buf + len, size - len, "%s: %s\n",
		"ANI", "DISABLED");
		len += scnprintf(buf + len, size - len, "%15s: %s\n", "ANI",
		common->disable_ani ? "DISABLED" : "ENABLED");

		if (common->disable_ani)
		goto exit;
		}

		len += scnprintf(buf + len, size - len, "%15s: %s\n",
		"ANI", "ENABLED");
		len += scnprintf(buf + len, size - len, "%15s: %u\n",
		"ANI RESET", ah->stats.ast_ani_reset);
		len += scnprintf(buf + len, size - len, "%15s: %u\n",
		"SPUR UP", ah->stats.ast_ani_spurup);
		len += scnprintf(buf + len, size - len, "%15s: %u\n",
		"SPUR DOWN", ah->stats.ast_ani_spurup);
		len += scnprintf(buf + len, size - len, "%15s: %u\n",
		"OFDM WS-DET ON", ah->stats.ast_ani_ofdmon);
		for (i = 0; i < ARRAY_SIZE(ani_info); i++)
		len += scnprintf(buf + len, size - len, "%15s: %u\n",
		"OFDM WS-DET OFF", ah->stats.ast_ani_ofdmoff);
		len += scnprintf(buf + len, size - len, "%15s: %u\n",
		"MRC-CCK ON", ah->stats.ast_ani_ccklow);
		len += scnprintf(buf + len, size - len, "%15s: %u\n",
		"MRC-CCK OFF", ah->stats.ast_ani_cckhigh);
		len += scnprintf(buf + len, size - len, "%15s: %u\n",
		"FIR-STEP UP", ah->stats.ast_ani_stepup);
		len += scnprintf(buf + len, size - len, "%15s: %u\n",
		"FIR-STEP DOWN", ah->stats.ast_ani_stepdown);
		len += scnprintf(buf + len, size - len, "%15s: %u\n",
		"INV LISTENTIME", ah->stats.ast_ani_lneg_or_lzero);
		len += scnprintf(buf + len, size - len, "%15s: %u\n",
		"OFDM ERRORS", ah->stats.ast_ani_ofdmerrs);
		len += scnprintf(buf + len, size - len, "%15s: %u\n",
		"CCK ERRORS", ah->stats.ast_ani_cckerrs);
		ani_info[i].name, ani_info[i].val);

		exit:
		if (len > size)
		len = size;

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