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ieee820154: add channel set support

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This patch adds page and channel setting support to nl802154 framework.

Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Alexander Aring 2014-11-12 03:36:55 +01:00 committed by Marcel Holtmann
parent 9d30a8cf98
commit ab0bd56172
4 changed files with 60 additions and 0 deletions
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1
include/net/cfg802154.h
View File

@ -37,6 +37,7 @@ struct cfg802154_ops {
int type); int type);
void (*del_virtual_intf_deprecated)(struct wpan_phy *wpan_phy, void (*del_virtual_intf_deprecated)(struct wpan_phy *wpan_phy,
struct net_device *dev); struct net_device *dev);
int (*set_channel)(struct wpan_phy *wpan_phy, u8 page, u8 channel);
}; };
struct wpan_phy { struct wpan_phy {

28
net/ieee802154/nl802154.c
View File

@ -23,6 +23,7 @@
#include <net/sock.h> #include <net/sock.h>
#include "nl802154.h" #include "nl802154.h"
#include "rdev-ops.h"
#include "core.h" #include "core.h"
static int nl802154_pre_doit(const struct genl_ops *ops, struct sk_buff *skb, static int nl802154_pre_doit(const struct genl_ops *ops, struct sk_buff *skb,
@ -550,6 +551,25 @@ static int nl802154_get_interface(struct sk_buff *skb, struct genl_info *info)
return genlmsg_reply(msg, info); return genlmsg_reply(msg, info);
} }
static int nl802154_set_channel(struct sk_buff *skb, struct genl_info *info)
{
struct cfg802154_registered_device *rdev = info->user_ptr[0];
u8 channel, page;
if (!info->attrs[NL802154_ATTR_PAGE] ||
!info->attrs[NL802154_ATTR_CHANNEL])
return -EINVAL;
page = nla_get_u8(info->attrs[NL802154_ATTR_PAGE]);
channel = nla_get_u8(info->attrs[NL802154_ATTR_CHANNEL]);
/* check 802.15.4 constraints */
if (page >= WPAN_NUM_PAGES || channel >= WPAN_NUM_CHANNELS)
return -EINVAL;
return rdev_set_channel(rdev, page, channel);
}
#define NL802154_FLAG_NEED_WPAN_PHY 0x01 #define NL802154_FLAG_NEED_WPAN_PHY 0x01
#define NL802154_FLAG_NEED_NETDEV 0x02 #define NL802154_FLAG_NEED_NETDEV 0x02
#define NL802154_FLAG_NEED_RTNL 0x04 #define NL802154_FLAG_NEED_RTNL 0x04
@ -660,6 +680,14 @@ static const struct genl_ops nl802154_ops[] = {
.internal_flags = NL802154_FLAG_NEED_WPAN_DEV | .internal_flags = NL802154_FLAG_NEED_WPAN_DEV |
NL802154_FLAG_NEED_RTNL, NL802154_FLAG_NEED_RTNL,
}, },
{
.cmd = NL802154_CMD_SET_CHANNEL,
.doit = nl802154_set_channel,
.policy = nl802154_policy,
.flags = GENL_ADMIN_PERM,
.internal_flags = NL802154_FLAG_NEED_WPAN_PHY |
NL802154_FLAG_NEED_RTNL,
},
}; };
/* initialisation/exit functions */ /* initialisation/exit functions */

7
net/ieee802154/rdev-ops.h
View File

@ -20,4 +20,11 @@ rdev_del_virtual_intf_deprecated(struct cfg802154_registered_device *rdev,
rdev->ops->del_virtual_intf_deprecated(&rdev->wpan_phy, dev); rdev->ops->del_virtual_intf_deprecated(&rdev->wpan_phy, dev);
} }
static inline int
rdev_set_channel(struct cfg802154_registered_device *rdev, const u8 page,
const u8 channel)
{
return rdev->ops->set_channel(&rdev->wpan_phy, page, channel);
}
#endif /* __CFG802154_RDEV_OPS */ #endif /* __CFG802154_RDEV_OPS */

24
net/mac802154/cfg.c
View File

@ -17,6 +17,7 @@
#include <net/cfg802154.h> #include <net/cfg802154.h>
#include "ieee802154_i.h" #include "ieee802154_i.h"
#include "driver-ops.h"
#include "cfg.h" #include "cfg.h"
static struct net_device * static struct net_device *
@ -41,7 +42,30 @@ static void ieee802154_del_iface_deprecated(struct wpan_phy *wpan_phy,
ieee802154_if_remove(sdata); ieee802154_if_remove(sdata);
} }
static int
ieee802154_set_channel(struct wpan_phy *wpan_phy, const u8 page,
const u8 channel)
{
struct ieee802154_local *local = wpan_phy_priv(wpan_phy);
int ret;
ASSERT_RTNL();
/* check if phy support this setting */
if (!(wpan_phy->channels_supported[page] & BIT(channel)))
return -EINVAL;
ret = drv_set_channel(local, page, channel);
if (!ret) {
wpan_phy->current_page = page;
wpan_phy->current_channel = channel;
}
return ret;
}
const struct cfg802154_ops mac802154_config_ops = { const struct cfg802154_ops mac802154_config_ops = {
.add_virtual_intf_deprecated = ieee802154_add_iface_deprecated, .add_virtual_intf_deprecated = ieee802154_add_iface_deprecated,
.del_virtual_intf_deprecated = ieee802154_del_iface_deprecated, .del_virtual_intf_deprecated = ieee802154_del_iface_deprecated,
.set_channel = ieee802154_set_channel,
}; };