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authorAlexander Aring <alex.aring@gmail.com>2015-05-27 13:42:10 +0200
committerMarcel Holtmann <marcel@holtmann.org>2015-05-27 19:29:42 +0200
commitb69644c1c72e179738dd5c7e52e99d8550189472 (patch)
treed211eea2d8c51db2e8cac0c2aa00bd4b2b9d243c /net/ieee802154
parente4390592a4fc3ee10a8bc4742197fdbac3935f74 (diff)
downloadlinux-b69644c1c72e179738dd5c7e52e99d8550189472.tar.bz2
nl802154: add support to set cca ed level
This patch adds support for setting the current cca ed level value over nl802154. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Reviewed-by: Varka Bhadram <varkabhadram@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'net/ieee802154')
-rw-r--r--net/ieee802154/nl802154.c30
-rw-r--r--net/ieee802154/rdev-ops.h11
-rw-r--r--net/ieee802154/trace.h15
3 files changed, 56 insertions, 0 deletions
diff --git a/net/ieee802154/nl802154.c b/net/ieee802154/nl802154.c
index a89d9d024126..7dbb1f4ce7df 100644
--- a/net/ieee802154/nl802154.c
+++ b/net/ieee802154/nl802154.c
@@ -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];
@@ -1123,6 +1145,14 @@ static const struct genl_ops nl802154_ops[] = {
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,
.policy = nl802154_policy,
diff --git a/net/ieee802154/rdev-ops.h b/net/ieee802154/rdev-ops.h
index 36456118a6ec..b2155a123f6c 100644
--- a/net/ieee802154/rdev-ops.h
+++ b/net/ieee802154/rdev-ops.h
@@ -75,6 +75,17 @@ rdev_set_cca_mode(struct cfg802154_registered_device *rdev,
}
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)
{
diff --git a/net/ieee802154/trace.h b/net/ieee802154/trace.h
index ac790bb1b4fe..73eb7605c1eb 100644
--- a/net/ieee802154/trace.h
+++ b/net/ieee802154/trace.h
@@ -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),