Signed-off-by: Phoebe Buckheister <phoebe.buckheis...@itwm.fraunhofer.de>
---
include/linux/nl802154.h | 6 +++
net/ieee802154/ieee802154.h | 4 ++
net/ieee802154/netlink.c | 6 +++
net/ieee802154/nl-mac.c | 121 +++++++++++++++++++++++++++++++++++++++++++
net/ieee802154/nl_policy.c | 3 ++
5 files changed, 140 insertions(+)
diff --git a/include/linux/nl802154.h b/include/linux/nl802154.h
index e2ca843..20163b9 100644
--- a/include/linux/nl802154.h
+++ b/include/linux/nl802154.h
@@ -90,6 +90,9 @@ enum {
IEEE802154_ATTR_LLSEC_KEY_BYTES,
IEEE802154_ATTR_LLSEC_KEY_USAGE_FRAME_TYPES,
IEEE802154_ATTR_LLSEC_KEY_USAGE_COMMANDS,
+ IEEE802154_ATTR_LLSEC_FRAME_TYPE,
+ IEEE802154_ATTR_LLSEC_CMD_FRAME_ID,
+ IEEE802154_ATTR_LLSEC_SECLEVELS,
IEEE802154_ATTR_LLSEC_DEV_OVERRIDE,
IEEE802154_ATTR_LLSEC_DEV_KEY_MODE,
@@ -158,6 +161,9 @@ enum {
IEEE802154_LLSEC_LIST_DEVKEY,
IEEE802154_LLSEC_ADD_DEVKEY,
IEEE802154_LLSEC_DEL_DEVKEY,
+ IEEE802154_LLSEC_LIST_SECLEVEL,
+ IEEE802154_LLSEC_ADD_SECLEVEL,
+ IEEE802154_LLSEC_DEL_SECLEVEL,
__IEEE802154_CMD_MAX,
};
diff --git a/net/ieee802154/ieee802154.h b/net/ieee802154/ieee802154.h
index 484a20b..8b83a23 100644
--- a/net/ieee802154/ieee802154.h
+++ b/net/ieee802154/ieee802154.h
@@ -82,5 +82,9 @@ int ieee802154_llsec_add_devkey(struct sk_buff *skb, struct
genl_info *info);
int ieee802154_llsec_del_devkey(struct sk_buff *skb, struct genl_info *info);
int ieee802154_llsec_dump_devkeys(struct sk_buff *skb,
struct netlink_callback *cb);
+int ieee802154_llsec_add_seclevel(struct sk_buff *skb, struct genl_info *info);
+int ieee802154_llsec_del_seclevel(struct sk_buff *skb, struct genl_info *info);
+int ieee802154_llsec_dump_seclevels(struct sk_buff *skb,
+ struct netlink_callback *cb);
#endif
diff --git a/net/ieee802154/netlink.c b/net/ieee802154/netlink.c
index 86e33e5..26efcf4 100644
--- a/net/ieee802154/netlink.c
+++ b/net/ieee802154/netlink.c
@@ -138,6 +138,12 @@ static const struct genl_ops ieee8021154_ops[] = {
ieee802154_llsec_dump_devkeys),
IEEE802154_OP(IEEE802154_LLSEC_ADD_DEVKEY, ieee802154_llsec_add_devkey),
IEEE802154_OP(IEEE802154_LLSEC_DEL_DEVKEY, ieee802154_llsec_del_devkey),
+ IEEE802154_DUMP(IEEE802154_LLSEC_LIST_SECLEVEL, NULL,
+ ieee802154_llsec_dump_seclevels),
+ IEEE802154_OP(IEEE802154_LLSEC_ADD_SECLEVEL,
+ ieee802154_llsec_add_seclevel),
+ IEEE802154_OP(IEEE802154_LLSEC_DEL_SECLEVEL,
+ ieee802154_llsec_del_seclevel),
};
static const struct genl_multicast_group ieee802154_mcgrps[] = {
diff --git a/net/ieee802154/nl-mac.c b/net/ieee802154/nl-mac.c
index fa760d2..1674fdd 100644
--- a/net/ieee802154/nl-mac.c
+++ b/net/ieee802154/nl-mac.c
@@ -1385,3 +1385,124 @@ int ieee802154_llsec_dump_devkeys(struct sk_buff *skb,
{
return ieee802154_llsec_dump_table(skb, cb, llsec_iter_devkeys);
}
+
+
+
+static int
+llsec_parse_seclevel(struct genl_info *info,
+ struct ieee802154_llsec_seclevel *sl)
+{
+ memset(sl, 0, sizeof(*sl));
+
+ if (!info->attrs[IEEE802154_ATTR_LLSEC_FRAME_TYPE] ||
+ !info->attrs[IEEE802154_ATTR_LLSEC_SECLEVELS] ||
+ !info->attrs[IEEE802154_ATTR_LLSEC_DEV_OVERRIDE])
+ return -EINVAL;
+
+ sl->frame_type =
nla_get_u8(info->attrs[IEEE802154_ATTR_LLSEC_FRAME_TYPE]);
+ if (sl->frame_type == IEEE802154_FC_TYPE_MAC_CMD) {
+ if (!info->attrs[IEEE802154_ATTR_LLSEC_CMD_FRAME_ID])
+ return -EINVAL;
+
+ sl->cmd_frame_id =
nla_get_u8(info->attrs[IEEE802154_ATTR_LLSEC_CMD_FRAME_ID]);
+ }
+
+ sl->sec_levels =
nla_get_u8(info->attrs[IEEE802154_ATTR_LLSEC_SECLEVELS]);
+ sl->device_override =
nla_get_u8(info->attrs[IEEE802154_ATTR_LLSEC_DEV_OVERRIDE]);
+
+ return 0;
+}
+
+static int llsec_add_seclevel(struct net_device *dev, struct genl_info *info)
+{
+ struct ieee802154_mlme_ops *ops = ieee802154_mlme_ops(dev);
+ struct ieee802154_llsec_seclevel sl;
+
+ if (llsec_parse_seclevel(info, &sl))
+ return -EINVAL;
+
+ return ops->llsec->add_seclevel(dev, &sl);
+}
+
+int ieee802154_llsec_add_seclevel(struct sk_buff *skb, struct genl_info *info)
+{
+ return ieee802154_nl_llsec_change(skb, info, llsec_add_seclevel);
+}
+
+static int llsec_del_seclevel(struct net_device *dev, struct genl_info *info)
+{
+ struct ieee802154_mlme_ops *ops = ieee802154_mlme_ops(dev);
+ struct ieee802154_llsec_seclevel sl;
+
+ if (llsec_parse_seclevel(info, &sl))
+ return -EINVAL;
+
+ return ops->llsec->del_seclevel(dev, &sl);
+}
+
+int ieee802154_llsec_del_seclevel(struct sk_buff *skb, struct genl_info *info)
+{
+ return ieee802154_nl_llsec_change(skb, info, llsec_del_seclevel);
+}
+
+static int
+ieee802154_nl_fill_seclevel(struct sk_buff *msg, u32 portid, u32 seq,
+ const struct ieee802154_llsec_seclevel *sl,
+ const struct net_device *dev)
+{
+ void *hdr;
+
+ hdr = genlmsg_put(msg, 0, seq, &nl802154_family, NLM_F_MULTI,
+ IEEE802154_LLSEC_LIST_SECLEVEL);
+ if (!hdr)
+ goto out;
+
+ if (nla_put_string(msg, IEEE802154_ATTR_DEV_NAME, dev->name) ||
+ nla_put_u32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex) ||
+ nla_put_u8(msg, IEEE802154_ATTR_LLSEC_FRAME_TYPE, sl->frame_type) ||
+ nla_put_u8(msg, IEEE802154_ATTR_LLSEC_SECLEVELS, sl->sec_levels) ||
+ nla_put_u8(msg, IEEE802154_ATTR_LLSEC_DEV_OVERRIDE,
+ sl->device_override))
+ goto nla_put_failure;
+
+ if (sl->frame_type == IEEE802154_FC_TYPE_MAC_CMD &&
+ nla_put_u8(msg, IEEE802154_ATTR_LLSEC_CMD_FRAME_ID,
+ sl->cmd_frame_id))
+ goto nla_put_failure;
+
+ genlmsg_end(msg, hdr);
+ return 0;
+
+nla_put_failure:
+ genlmsg_cancel(msg, hdr);
+out:
+ return -EMSGSIZE;
+}
+
+static int llsec_iter_seclevels(struct llsec_dump_data *data)
+{
+ struct ieee802154_llsec_seclevel *pos;
+ int rc = 0, idx = 0;
+
+ list_for_each_entry(pos, &data->table->security_levels, list) {
+ if (idx++ < data->s_idx)
+ continue;
+
+ if (ieee802154_nl_fill_seclevel(data->skb, data->portid,
+ data->nlmsg_seq, pos,
+ data->dev)) {
+ rc = -EMSGSIZE;
+ break;
+ }
+
+ data->s_idx++;
+ }
+
+ return rc;
+}
+
+int ieee802154_llsec_dump_seclevels(struct sk_buff *skb,
+ struct netlink_callback *cb)
+{
+ return ieee802154_llsec_dump_table(skb, cb, llsec_iter_seclevels);
+}
diff --git a/net/ieee802154/nl_policy.c b/net/ieee802154/nl_policy.c
index 4d8a478..3a703ab8 100644
--- a/net/ieee802154/nl_policy.c
+++ b/net/ieee802154/nl_policy.c
@@ -73,6 +73,9 @@ const struct nla_policy ieee802154_policy[IEEE802154_ATTR_MAX
+ 1] = {
[IEEE802154_ATTR_LLSEC_KEY_BYTES] = { .len = 16, },
[IEEE802154_ATTR_LLSEC_KEY_USAGE_FRAME_TYPES] = { .type = NLA_U8, },
[IEEE802154_ATTR_LLSEC_KEY_USAGE_COMMANDS] = { .len = 258 / 8 },
+ [IEEE802154_ATTR_LLSEC_FRAME_TYPE] = { .type = NLA_U8, },
+ [IEEE802154_ATTR_LLSEC_CMD_FRAME_ID] = { .type = NLA_U8, },
+ [IEEE802154_ATTR_LLSEC_SECLEVELS] = { .type = NLA_U8, },
[IEEE802154_ATTR_LLSEC_DEV_OVERRIDE] = { .type = NLA_U8, },
[IEEE802154_ATTR_LLSEC_DEV_KEY_MODE] = { .type = NLA_U8, },
};
--
1.7.9.5
------------------------------------------------------------------------------
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