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ieee802154: add support for channel pages from IEEE 802.15.4-2006 

IEEE 802.15.4-2006 adds new concept: channel pages, which can contain several
channels. Add support for channel pages in the API and in the fakehard driver.

Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
This commit is contained in:
Dmitry Eremin-Solenikov 2009-08-19 19:32:24 +04:00
Родитель 81f9510381
Коммит 16eea493da
6 изменённых файлов: 38 добавлений и 11 удалений
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10
drivers/ieee802154/fakehard.c
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@ -119,12 +119,13 @@ static u8 fake_get_bsn(struct net_device *dev)
* 802.15.4-2006 document.
*/
static int fake_assoc_req(struct net_device *dev,
struct ieee802154_addr *addr, u8 channel, u8 cap)
struct ieee802154_addr *addr, u8 channel, u8 page, u8 cap)
{
struct wpan_phy *phy = net_to_phy(dev);
mutex_lock(&phy->pib_lock);
phy->current_channel = channel;
phy->current_page = page;
mutex_unlock(&phy->pib_lock);
/* We simply emulate it here */
@ -191,7 +192,7 @@ static int fake_disassoc_req(struct net_device *dev,
* document, with 7.3.8 describing coordinator realignment.
*/
static int fake_start_req(struct net_device *dev, struct ieee802154_addr *addr,
u8 channel,
u8 channel, u8 page,
u8 bcn_ord, u8 sf_ord, u8 pan_coord, u8 blx,
u8 coord_realign)
{
@ -199,6 +200,7 @@ static int fake_start_req(struct net_device *dev, struct ieee802154_addr *addr,
mutex_lock(&phy->pib_lock);
phy->current_channel = channel;
phy->current_page = page;
mutex_unlock(&phy->pib_lock);
/* We don't emulate beacons here at all, so START should fail */
@ -222,11 +224,11 @@ static int fake_start_req(struct net_device *dev, struct ieee802154_addr *addr,
* Note: This is in section 7.5.2.1 of the IEEE 802.15.4-2006 document.
*/
static int fake_scan_req(struct net_device *dev, u8 type, u32 channels,
u8 duration)
u8 page, u8 duration)
{
u8 edl[27] = {};
return ieee802154_nl_scan_confirm(dev, IEEE802154_SUCCESS, type,
channels,
channels, page,
type == IEEE802154_MAC_SCAN_ED ? edl : NULL);
}

2
include/linux/nl802154.h
Просмотреть файл

@ -64,6 +64,8 @@ enum {
IEEE802154_ATTR_COORD_REALIGN,
IEEE802154_ATTR_SEC,
IEEE802154_ATTR_PAGE,
__IEEE802154_ATTR_MAX,
};

6
include/net/ieee802154_netdev.h
Просмотреть файл

@ -80,7 +80,7 @@ static inline int mac_cb_type(struct sk_buff *skb)
struct ieee802154_mlme_ops {
int (*assoc_req)(struct net_device *dev,
struct ieee802154_addr *addr,
u8 channel, u8 cap);
u8 channel, u8 page, u8 cap);
int (*assoc_resp)(struct net_device *dev,
struct ieee802154_addr *addr,
u16 short_addr, u8 status);
@ -89,10 +89,10 @@ struct ieee802154_mlme_ops {
u8 reason);
int (*start_req)(struct net_device *dev,
struct ieee802154_addr *addr,
u8 channel, u8 bcn_ord, u8 sf_ord,
u8 channel, u8 page, u8 bcn_ord, u8 sf_ord,
u8 pan_coord, u8 blx, u8 coord_realign);
int (*scan_req)(struct net_device *dev,
u8 type, u32 channels, u8 duration);
u8 type, u32 channels, u8 page, u8 duration);
/*
* FIXME: these should become the part of PIB/MIB interface.

2
include/net/nl802154.h
Просмотреть файл

@ -95,7 +95,7 @@ int ieee802154_nl_disassoc_confirm(struct net_device *dev,
* Note: This API does not permit the return of an active scan result.
*/
int ieee802154_nl_scan_confirm(struct net_device *dev,
u8 status, u8 scan_type, u32 unscanned,
u8 status, u8 scan_type, u32 unscanned, u8 page,
u8 *edl/*, struct list_head *pan_desc_list */);
/**

28
net/ieee802154/netlink.c
Просмотреть файл

@ -232,7 +232,7 @@ nla_put_failure:
EXPORT_SYMBOL(ieee802154_nl_beacon_indic);
int ieee802154_nl_scan_confirm(struct net_device *dev,
u8 status, u8 scan_type, u32 unscanned,
u8 status, u8 scan_type, u32 unscanned, u8 page,
u8 *edl/* , struct list_head *pan_desc_list */)
{
struct sk_buff *msg;
@ -251,6 +251,7 @@ int ieee802154_nl_scan_confirm(struct net_device *dev,
NLA_PUT_U8(msg, IEEE802154_ATTR_STATUS, status);
NLA_PUT_U8(msg, IEEE802154_ATTR_SCAN_TYPE, scan_type);
NLA_PUT_U32(msg, IEEE802154_ATTR_CHANNELS, unscanned);
NLA_PUT_U8(msg, IEEE802154_ATTR_PAGE, page);
if (edl)
NLA_PUT(msg, IEEE802154_ATTR_ED_LIST, 27, edl);
@ -349,6 +350,7 @@ static int ieee802154_associate_req(struct sk_buff *skb,
{
struct net_device *dev;
struct ieee802154_addr addr;
u8 page;
int ret = -EINVAL;
if (!info->attrs[IEEE802154_ATTR_CHANNEL] ||
@ -374,8 +376,14 @@ static int ieee802154_associate_req(struct sk_buff *skb,
}
addr.pan_id = nla_get_u16(info->attrs[IEEE802154_ATTR_COORD_PAN_ID]);
if (info->attrs[IEEE802154_ATTR_PAGE])
page = nla_get_u8(info->attrs[IEEE802154_ATTR_PAGE]);
else
page = 0;
ret = ieee802154_mlme_ops(dev)->assoc_req(dev, &addr,
nla_get_u8(info->attrs[IEEE802154_ATTR_CHANNEL]),
page,
nla_get_u8(info->attrs[IEEE802154_ATTR_CAPABILITY]));
dev_put(dev);
@ -458,6 +466,7 @@ static int ieee802154_start_req(struct sk_buff *skb, struct genl_info *info)
struct ieee802154_addr addr;
u8 channel, bcn_ord, sf_ord;
u8 page;
int pan_coord, blx, coord_realign;
int ret;
@ -488,13 +497,19 @@ static int ieee802154_start_req(struct sk_buff *skb, struct genl_info *info)
blx = nla_get_u8(info->attrs[IEEE802154_ATTR_BAT_EXT]);
coord_realign = nla_get_u8(info->attrs[IEEE802154_ATTR_COORD_REALIGN]);
if (info->attrs[IEEE802154_ATTR_PAGE])
page = nla_get_u8(info->attrs[IEEE802154_ATTR_PAGE]);
else
page = 0;
if (addr.short_addr == IEEE802154_ADDR_BROADCAST) {
ieee802154_nl_start_confirm(dev, IEEE802154_NO_SHORT_ADDRESS);
dev_put(dev);
return -EINVAL;
}
ret = ieee802154_mlme_ops(dev)->start_req(dev, &addr, channel,
ret = ieee802154_mlme_ops(dev)->start_req(dev, &addr, channel, page,
bcn_ord, sf_ord, pan_coord, blx, coord_realign);
dev_put(dev);
@ -508,6 +523,7 @@ static int ieee802154_scan_req(struct sk_buff *skb, struct genl_info *info)
u8 type;
u32 channels;
u8 duration;
u8 page;
if (!info->attrs[IEEE802154_ATTR_SCAN_TYPE] ||
!info->attrs[IEEE802154_ATTR_CHANNELS] ||
@ -522,7 +538,13 @@ static int ieee802154_scan_req(struct sk_buff *skb, struct genl_info *info)
channels = nla_get_u32(info->attrs[IEEE802154_ATTR_CHANNELS]);
duration = nla_get_u8(info->attrs[IEEE802154_ATTR_DURATION]);
ret = ieee802154_mlme_ops(dev)->scan_req(dev, type, channels,
if (info->attrs[IEEE802154_ATTR_PAGE])
page = nla_get_u8(info->attrs[IEEE802154_ATTR_PAGE]);
else
page = 0;
ret = ieee802154_mlme_ops(dev)->scan_req(dev, type, channels, page,
duration);
dev_put(dev);

1
net/ieee802154/nl_policy.c
Просмотреть файл

@ -33,6 +33,7 @@ const struct nla_policy ieee802154_policy[IEEE802154_ATTR_MAX + 1] = {
[IEEE802154_ATTR_HW_ADDR] = { .type = NLA_HW_ADDR, },
[IEEE802154_ATTR_PAN_ID] = { .type = NLA_U16, },
[IEEE802154_ATTR_CHANNEL] = { .type = NLA_U8, },
[IEEE802154_ATTR_PAGE] = { .type = NLA_U8, },
[IEEE802154_ATTR_COORD_SHORT_ADDR] = { .type = NLA_U16, },
[IEEE802154_ATTR_COORD_HW_ADDR] = { .type = NLA_HW_ADDR, },
[IEEE802154_ATTR_COORD_PAN_ID] = { .type = NLA_U16, },