diff options
Diffstat (limited to 'net/ieee802154/nl802154.c')
| -rw-r--r-- | net/ieee802154/nl802154.c | 46 |
1 files changed, 43 insertions, 3 deletions
diff --git a/net/ieee802154/nl802154.c b/net/ieee802154/nl802154.c index 1efbe4250024..a25b9bbd077b 100644 --- a/net/ieee802154/nl802154.c +++ b/net/ieee802154/nl802154.c @@ -209,7 +209,8 @@ static const struct nla_policy nl802154_policy[NL802154_ATTR_MAX+1] = { [NL802154_ATTR_TX_POWER] = { .type = NLA_S8, }, - [NL802154_ATTR_CCA_MODE] = { .type = NLA_U8, }, + [NL802154_ATTR_CCA_MODE] = { .type = NLA_U32, }, + [NL802154_ATTR_CCA_OPT] = { .type = NLA_U32, }, [NL802154_ATTR_SUPPORTED_CHANNEL] = { .type = NLA_U32, }, @@ -290,10 +291,16 @@ static int nl802154_send_wpan_phy(struct cfg802154_registered_device *rdev, goto nla_put_failure; /* cca mode */ - if (nla_put_u8(msg, NL802154_ATTR_CCA_MODE, - rdev->wpan_phy.cca.mode)) + if (nla_put_u32(msg, NL802154_ATTR_CCA_MODE, + rdev->wpan_phy.cca.mode)) goto nla_put_failure; + if (rdev->wpan_phy.cca.mode == NL802154_CCA_ENERGY_CARRIER) { + if (nla_put_u32(msg, NL802154_ATTR_CCA_OPT, + rdev->wpan_phy.cca.opt)) + goto nla_put_failure; + } + if (nla_put_s8(msg, NL802154_ATTR_TX_POWER, rdev->wpan_phy.transmit_power)) goto nla_put_failure; @@ -622,6 +629,31 @@ static int nl802154_set_channel(struct sk_buff *skb, struct genl_info *info) return rdev_set_channel(rdev, page, channel); } +static int nl802154_set_cca_mode(struct sk_buff *skb, struct genl_info *info) +{ + struct cfg802154_registered_device *rdev = info->user_ptr[0]; + struct wpan_phy_cca cca; + + if (!info->attrs[NL802154_ATTR_CCA_MODE]) + return -EINVAL; + + cca.mode = nla_get_u32(info->attrs[NL802154_ATTR_CCA_MODE]); + /* checking 802.15.4 constraints */ + if (cca.mode < NL802154_CCA_ENERGY || cca.mode > NL802154_CCA_ATTR_MAX) + return -EINVAL; + + if (cca.mode == NL802154_CCA_ENERGY_CARRIER) { + if (!info->attrs[NL802154_ATTR_CCA_OPT]) + return -EINVAL; + + cca.opt = nla_get_u32(info->attrs[NL802154_ATTR_CCA_OPT]); + if (cca.opt > NL802154_CCA_OPT_ATTR_MAX) + return -EINVAL; + } + + return rdev_set_cca_mode(rdev, &cca); +} + static int nl802154_set_pan_id(struct sk_buff *skb, struct genl_info *info) { struct cfg802154_registered_device *rdev = info->user_ptr[0]; @@ -895,6 +927,14 @@ static const struct genl_ops nl802154_ops[] = { NL802154_FLAG_NEED_RTNL, }, { + .cmd = NL802154_CMD_SET_CCA_MODE, + .doit = nl802154_set_cca_mode, + .policy = nl802154_policy, + .flags = GENL_ADMIN_PERM, + .internal_flags = NL802154_FLAG_NEED_WPAN_PHY | + NL802154_FLAG_NEED_RTNL, + }, + { .cmd = NL802154_CMD_SET_PAN_ID, .doit = nl802154_set_pan_id, .policy = nl802154_policy, |