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author	Felix Fietkau <nbd@openwrt.org>	2014-11-19 20:16:55 +0000
committer	Felix Fietkau <nbd@openwrt.org>	2014-11-19 20:16:55 +0000
commit	bc30e04a83d70af0f9fae483c024b89d9ec89c20 (patch)
tree	1a4073791799d5384235cdf69c9bae2fab9b081f /package/libs/libnl-tiny/src/include/linux
parent	ab92a23394ce9563877be89b17cdc28e1d7d9e25 (diff)
download	upstream-bc30e04a83d70af0f9fae483c024b89d9ec89c20.tar.gz upstream-bc30e04a83d70af0f9fae483c024b89d9ec89c20.tar.bz2 upstream-bc30e04a83d70af0f9fae483c024b89d9ec89c20.zip

mac80211: add support for passing sta rate table updates to the driver

Signed-off-by: Felix Fietkau <nbd@openwrt.org> SVN-Revision: 43324

Diffstat (limited to 'package/libs/libnl-tiny/src/include/linux')

0 files changed, 0 insertions, 0 deletions

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--- a/drivers/net/wireless/ath/ath9k/debug.c
+++ b/drivers/net/wireless/ath/ath9k/debug.c
@@ -897,6 +897,53 @@ static const struct file_operations fops
 	.owner = THIS_MODULE
 };
 
+static ssize_t read_file_eeprom(struct file *file, char __user *user_buf,
+			     size_t count, loff_t *ppos)
+{
+	struct ath_softc *sc = file->private_data;
+	struct ath_hw *ah = sc->sc_ah;
+	struct ath_common *common = ath9k_hw_common(ah);
+	int bytes = 0;
+	int pos = *ppos;
+	int size = 4096;
+	u16 val;
+	int i;
+
+	if (AR_SREV_9300_20_OR_LATER(ah))
+		size = 16384;
+
+	if (*ppos < 0)
+		return -EINVAL;
+
+	if (count > size - *ppos)
+		count = size - *ppos;
+
+	for (i = *ppos / 2; count > 0; count -= bytes, *ppos += bytes, i++) {
+		void *from = &val;
+
+		if (!common->bus_ops->eeprom_read(common, i, &val))
+			val = 0xffff;
+
+		if (*ppos % 2) {
+			from++;
+			bytes = 1;
+		} else if (count == 1) {
+			bytes = 1;
+		} else {
+			bytes = 2;
+		}
+		copy_to_user(user_buf, from, bytes);
+		user_buf += bytes;
+	}
+	return *ppos - pos;
+}
+
+static const struct file_operations fops_eeprom = {
+	.read = read_file_eeprom,
+	.open = ath9k_debugfs_open,
+	.owner = THIS_MODULE
+};
+
 int ath9k_init_debug(struct ath_hw *ah)
 {
 	struct ath_common *common = ath9k_hw_common(ah);
@@ -960,6 +1007,10 @@ int ath9k_init_debug(struct ath_hw *ah)
 			sc->debug.debugfs_phy, &ah->config.cwm_ignore_extcca))
 		goto err;
 
+	if (!debugfs_create_file("eeprom", S_IRUSR,
+			sc->debug.debugfs_phy, sc, &fops_eeprom))
+		goto err;
+
 	sc->debug.regidx = 0;
 	return 0;
 err:


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