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

@@ -990,6 +990,17 @@
* &NL80211_CMD_CONNECT or &NL80211_CMD_ROAM. If the 4 way handshake failed
* &NL80211_CMD_DISCONNECT should be indicated instead.
*
* @NL80211_CMD_CONTROL_PORT_FRAME: Control Port (e.g. PAE) frame TX request
* and RX notification. This command is used both as a request to transmit
* a control port frame and as a notification that a control port frame
* has been received. %NL80211_ATTR_FRAME is used to specify the
* frame contents. The frame is the raw EAPoL data, without ethernet or
* 802.11 headers.
* When used as an event indication %NL80211_ATTR_CONTROL_PORT_ETHERTYPE,
* %NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT and %NL80211_ATTR_MAC are added
* indicating the protocol type of the received frame; whether the frame
* was received unencrypted and the MAC address of the peer respectively.
*
* @NL80211_CMD_RELOAD_REGDB: Request that the regdb firmware file is reloaded.
*
* @NL80211_CMD_EXTERNAL_AUTH: This interface is exclusively defined for host
@@ -1228,6 +1239,8 @@ enum nl80211_commands {
NL80211_CMD_STA_OPMODE_CHANGED,
NL80211_CMD_CONTROL_PORT_FRAME,
/* add new commands above here */
/* used to define NL80211_CMD_MAX below */