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nl802154: add support to set cca ed level

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This patch adds support for setting the current cca ed level value over
nl802154.

Signed-off-by: Alexander Aring <[email protected]>
Reviewed-by: Varka Bhadram <[email protected]>
Signed-off-by: Marcel Holtmann <[email protected]>
This commit is contained in:
Alexander Aring 2015-05-27 13:42:10 +02:00 • committed by Marcel Holtmann
commit b69644c1c7
5 changed files with 76 additions and 0 deletions
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30
net/ieee802154/nl802154.c
View file

@ -790,6 +790,28 @@ static int nl802154_set_cca_mode(struct sk_buff *skb, struct genl_info *info)
return rdev_set_cca_mode(rdev, &cca);
}
static int nl802154_set_cca_ed_level(struct sk_buff *skb, struct genl_info *info)
{
struct cfg802154_registered_device *rdev = info->user_ptr[0];
s32 ed_level;
int i;
if (!(rdev->wpan_phy.flags & WPAN_PHY_FLAG_CCA_ED_LEVEL))
return -EOPNOTSUPP;
if (!info->attrs[NL802154_ATTR_CCA_ED_LEVEL])
return -EINVAL;
ed_level = nla_get_s32(info->attrs[NL802154_ATTR_CCA_ED_LEVEL]);
for (i = 0; i < rdev->wpan_phy.supported.cca_ed_levels_size; i++) {
if (ed_level == rdev->wpan_phy.supported.cca_ed_levels[i])
return rdev_set_cca_ed_level(rdev, ed_level);
}
return -EINVAL;
}
static int nl802154_set_tx_power(struct sk_buff *skb, struct genl_info *info)
{
struct cfg802154_registered_device *rdev = info->user_ptr[0];
@ -1122,6 +1144,14 @@ static const struct genl_ops nl802154_ops[] = {
.internal_flags = NL802154_FLAG_NEED_WPAN_PHY |
NL802154_FLAG_NEED_RTNL,
},
{
.cmd = NL802154_CMD_SET_CCA_ED_LEVEL,
.doit = nl802154_set_cca_ed_level,
.policy = nl802154_policy,
.flags = GENL_ADMIN_PERM,
.internal_flags = NL802154_FLAG_NEED_WPAN_PHY |
NL802154_FLAG_NEED_RTNL,
},
{
.cmd = NL802154_CMD_SET_TX_POWER,
.doit = nl802154_set_tx_power,

11
net/ieee802154/rdev-ops.h
View file

@ -74,6 +74,17 @@ rdev_set_cca_mode(struct cfg802154_registered_device *rdev,
return ret;
}
static inline int
rdev_set_cca_ed_level(struct cfg802154_registered_device *rdev, s32 ed_level)
{
int ret;
trace_802154_rdev_set_cca_ed_level(&rdev->wpan_phy, ed_level);
ret = rdev->ops->set_cca_ed_level(&rdev->wpan_phy, ed_level);
trace_802154_rdev_return_int(&rdev->wpan_phy, ret);
return ret;
}
static inline int
rdev_set_tx_power(struct cfg802154_registered_device *rdev,
s32 power)

15
net/ieee802154/trace.h
View file

@ -123,6 +123,21 @@ TRACE_EVENT(802154_rdev_set_cca_mode,
WPAN_CCA_PR_ARG)
);
TRACE_EVENT(802154_rdev_set_cca_ed_level,
TP_PROTO(struct wpan_phy *wpan_phy, s32 ed_level),
TP_ARGS(wpan_phy, ed_level),
TP_STRUCT__entry(
WPAN_PHY_ENTRY
__field(s32, ed_level)
),
TP_fast_assign(
WPAN_PHY_ASSIGN;
__entry->ed_level = ed_level;
),
TP_printk(WPAN_PHY_PR_FMT ", ed_level: %d", WPAN_PHY_PR_ARG,
__entry->ed_level)
);
DECLARE_EVENT_CLASS(802154_le16_template,
TP_PROTO(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev,
__le16 le16arg),