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authorDmitry Eremin-Solenikov <dbaryshkov@gmail.com>2009-09-22 15:26:48 +0400
committerDmitry Eremin-Solenikov <dbaryshkov@gmail.com>2009-11-06 14:23:41 +0300
commita0b4a738e0e03f5e0d6ca366560f9a48e5adf83a (patch)
tree8063be3ae88a2bef6377cdf913b2432d9805c48b /net/ieee802154
parent375bb0e04b618d0c425b0ea492d16cf71eb94905 (diff)
downloadlinux-2.6.34-ux500-a0b4a738e0e03f5e0d6ca366560f9a48e5adf83a.tar.gz
wpan-phy: allow specifying a per-page channel mask
IEEE 802.15.4-2006 defines channel pages that hold channels (max 32 pages, 27 channels per page). Allow the driver to specify supported channels on pages, other than the first one. Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Diffstat (limited to 'net/ieee802154')
-rw-r--r--net/ieee802154/wpan-class.c20
1 files changed, 19 insertions, 1 deletions
diff --git a/net/ieee802154/wpan-class.c b/net/ieee802154/wpan-class.c
index 68ccde63155..0c51f85aa59 100644
--- a/net/ieee802154/wpan-class.c
+++ b/net/ieee802154/wpan-class.c
@@ -40,12 +40,30 @@ static ssize_t name ## _show(struct device *dev, \
MASTER_SHOW(current_channel, "%d");
MASTER_SHOW(current_page, "%d");
-MASTER_SHOW(channels_supported, "%#x");
MASTER_SHOW_COMPLEX(transmit_power, "%d +- %d dB",
((signed char) (phy->transmit_power << 2)) >> 2,
(phy->transmit_power >> 6) ? (phy->transmit_power >> 6) * 3 : 1 );
MASTER_SHOW(cca_mode, "%d");
+static ssize_t channels_supported_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct wpan_phy *phy = container_of(dev, struct wpan_phy, dev);
+ int ret;
+ int i, len = 0;
+
+ mutex_lock(&phy->pib_lock);
+ for (i = 0; i < 32; i++) {
+ ret = snprintf(buf + len, PAGE_SIZE - len,
+ "%#09x\n", phy->channels_supported[i]);
+ if (ret < 0)
+ break;
+ len += ret;
+ }
+ mutex_unlock(&phy->pib_lock);
+ return len;
+}
+
static struct device_attribute pmib_attrs[] = {
__ATTR_RO(current_channel),
__ATTR_RO(current_page),