nl80211: Add CMD_CONTROL_PORT_FRAME API

This commit also adds cfg80211_rx_control_port function.  This is used
to generate a CMD_CONTROL_PORT_FRAME event out to userspace.  The
conn_owner_nlportid is used as the unicast destination.  This means that
userspace must specify NL80211_ATTR_SOCKET_OWNER flag if control port
over nl80211 routing is requested in NL80211_CMD_CONNECT,
NL80211_CMD_ASSOCIATE, NL80211_CMD_START_AP or IBSS/mesh join.

Signed-off-by: Denis Kenzior <denkenz@gmail.com>
[johannes: fix return value of cfg80211_rx_control_port()]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Denis Kenzior 2018-03-26 12:52:41 -05:00 committed by Johannes Berg
parent 4d191c7536
commit 6a671a50f8
4 changed files with 114 additions and 0 deletions

View file

@ -2600,6 +2600,27 @@ TRACE_EVENT(cfg80211_mgmt_tx_status,
WDEV_PR_ARG, __entry->cookie, BOOL_TO_STR(__entry->ack))
);
TRACE_EVENT(cfg80211_rx_control_port,
TP_PROTO(struct net_device *netdev, const u8 *buf, size_t len,
const u8 *addr, u16 proto, bool unencrypted),
TP_ARGS(netdev, buf, len, addr, proto, unencrypted),
TP_STRUCT__entry(
NETDEV_ENTRY
MAC_ENTRY(addr)
__field(u16, proto)
__field(bool, unencrypted)
),
TP_fast_assign(
NETDEV_ASSIGN;
MAC_ASSIGN(addr, addr);
__entry->proto = proto;
__entry->unencrypted = unencrypted;
),
TP_printk(NETDEV_PR_FMT ", " MAC_PR_FMT " proto: 0x%x, unencrypted: %s",
NETDEV_PR_ARG, MAC_PR_ARG(addr),
__entry->proto, BOOL_TO_STR(__entry->unencrypted))
);
TRACE_EVENT(cfg80211_cqm_rssi_notify,
TP_PROTO(struct net_device *netdev,
enum nl80211_cqm_rssi_threshold_event rssi_event,