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| author | Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> | 2009-09-22 13:26:48 +0200 |
|---|---|---|
| committer | Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> | 2009-11-06 12:23:41 +0100 |
| commit | a0b4a738e0e03f5e0d6ca366560f9a48e5adf83a (patch) | |
| tree | 8063be3ae88a2bef6377cdf913b2432d9805c48b | |
| parent | wpan-phy: use snprintf to limit the amount of chars written (diff) | |
| download | linux-a0b4a738e0e03f5e0d6ca366560f9a48e5adf83a.tar.xz linux-a0b4a738e0e03f5e0d6ca366560f9a48e5adf83a.zip | |
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>
| -rw-r--r-- | drivers/ieee802154/fakehard.c | 2 | ||||
| -rw-r--r-- | include/net/wpan-phy.h | 2 | ||||
| -rw-r--r-- | net/ieee802154/wpan-class.c | 20 |
3 files changed, 21 insertions, 3 deletions
diff --git a/drivers/ieee802154/fakehard.c b/drivers/ieee802154/fakehard.c index 96a2959ce877..f6f2afefaa17 100644 --- a/drivers/ieee802154/fakehard.c +++ b/drivers/ieee802154/fakehard.c @@ -356,7 +356,7 @@ static int __devinit ieee802154fake_probe(struct platform_device *pdev) dev->addr_len); memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len); - phy->channels_supported = (1 << 27) - 1; + phy->channels_supported[0] = (1 << 27) - 1; phy->transmit_power = 0xbf; dev->netdev_ops = &fake_ops; diff --git a/include/net/wpan-phy.h b/include/net/wpan-phy.h index 3367dd95cf85..7b7fc581e673 100644 --- a/include/net/wpan-phy.h +++ b/include/net/wpan-phy.h @@ -34,7 +34,7 @@ struct wpan_phy { */ u8 current_channel; u8 current_page; - u32 channels_supported; + u32 channels_supported[32]; u8 transmit_power; u8 cca_mode; diff --git a/net/ieee802154/wpan-class.c b/net/ieee802154/wpan-class.c index 68ccde63155b..0c51f85aa591 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), |