Upon request, we must be able to provide to the user the list of
associations currently in place. Let's add a new netlink command and
attribute for this purpose.
Signed-off-by: Miquel Raynal <miquel.raynal@xxxxxxxxxxx>
---
include/net/nl802154.h | 18 ++++++-
net/ieee802154/nl802154.c | 107 ++++++++++++++++++++++++++++++++++++++
2 files changed, 123 insertions(+), 2 deletions(-)
diff --git a/include/net/nl802154.h b/include/net/nl802154.h
index 8b26faae49e8..4c752f799957 100644
--- a/include/net/nl802154.h
+++ b/include/net/nl802154.h
@@ -81,6 +81,7 @@ enum nl802154_commands {
NL802154_CMD_ASSOCIATE,
NL802154_CMD_DISASSOCIATE,
NL802154_CMD_SET_MAX_ASSOCIATIONS,
+ NL802154_CMD_LIST_ASSOCIATIONS,
/* add new commands above here */
@@ -151,6 +152,7 @@ enum nl802154_attrs {
NL802154_ATTR_SCAN_DONE_REASON,
NL802154_ATTR_BEACON_INTERVAL,
NL802154_ATTR_MAX_ASSOCIATIONS,
+ NL802154_ATTR_PEER,
/* add attributes here, update the policy in nl802154.c */
@@ -389,8 +391,6 @@ enum nl802154_supported_bool_states {
NL802154_SUPPORTED_BOOL_MAX = __NL802154_SUPPORTED_BOOL_AFTER_LAST - 1
};
-#ifdef CONFIG_IEEE802154_NL802154_EXPERIMENTAL
-
enum nl802154_dev_addr_modes {
NL802154_DEV_ADDR_NONE,
__NL802154_DEV_ADDR_INVALID,
@@ -410,12 +410,26 @@ enum nl802154_dev_addr_attrs {
NL802154_DEV_ADDR_ATTR_SHORT,
NL802154_DEV_ADDR_ATTR_EXTENDED,
NL802154_DEV_ADDR_ATTR_PAD,
+ NL802154_DEV_ADDR_ATTR_PEER_TYPE,
/* keep last */
__NL802154_DEV_ADDR_ATTR_AFTER_LAST,
NL802154_DEV_ADDR_ATTR_MAX = __NL802154_DEV_ADDR_ATTR_AFTER_LAST - 1
};
+enum nl802154_peer_type {
+ NL802154_PEER_TYPE_UNSPEC,
+
+ NL802154_PEER_TYPE_PARENT,
+ NL802154_PEER_TYPE_CHILD,
+
+ /* keep last */
+ __NL802154_PEER_TYPE_AFTER_LAST,
+ NL802154_PEER_TYPE_MAX = __NL802154_PEER_TYPE_AFTER_LAST - 1
+};
+
+#ifdef CONFIG_IEEE802154_NL802154_EXPERIMENTAL
+
enum nl802154_key_id_modes {
NL802154_KEY_ID_MODE_IMPLICIT,
NL802154_KEY_ID_MODE_INDEX,
diff --git a/net/ieee802154/nl802154.c b/net/ieee802154/nl802154.c
index e16e57fc34d0..e26d7cec02ce 100644
--- a/net/ieee802154/nl802154.c
+++ b/net/ieee802154/nl802154.c
@@ -235,6 +235,7 @@ static const struct nla_policy nl802154_policy[NL802154_ATTR_MAX+1] = {
[NL802154_ATTR_BEACON_INTERVAL] =
NLA_POLICY_MAX(NLA_U8, IEEE802154_ACTIVE_SCAN_DURATION),
[NL802154_ATTR_MAX_ASSOCIATIONS] = { .type = NLA_U32 },
+ [NL802154_ATTR_PEER] = { .type = NLA_NESTED },
#ifdef CONFIG_IEEE802154_NL802154_EXPERIMENTAL
[NL802154_ATTR_SEC_ENABLED] = { .type = NLA_U8, },
@@ -1717,6 +1718,107 @@ static int nl802154_set_max_associations(struct sk_buff *skb, struct genl_info *
return 0;
}
+static int nl802154_send_peer_info(struct sk_buff *msg,
+ struct netlink_callback *cb,
+ u32 seq, int flags,
+ struct cfg802154_registered_device *rdev,
+ struct wpan_dev *wpan_dev,
+ struct ieee802154_pan_device *peer,
+ enum nl802154_peer_type type)
+{
+ struct nlattr *nla;
+ void *hdr;
+
+ ASSERT_RTNL();
+
+ hdr = nl802154hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags,
+ NL802154_CMD_LIST_ASSOCIATIONS);
+ if (!hdr)
+ return -ENOBUFS;
+
+ genl_dump_check_consistent(cb, hdr);
+
+ if (nla_put_u32(msg, NL802154_ATTR_GENERATION,
+ wpan_dev->association_generation))
