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cfg80211: Add support for QoS mapping

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This allows QoS mapping from external networks to be implemented as
defined in IEEE Std 802.11-2012, 10.24.9. APs can use this to advertise
DSCP ranges and exceptions for mapping frames to a specific UP over
Wi-Fi.

The payload of the QoS Map Set element (IEEE Std 802.11-2012, 8.4.2.97)
is sent to the driver through the new NL80211_ATTR_QOS_MAP attribute to
configure the local behavior either on the AP (based on local
configuration) or on a station (based on information received from the
AP).

Signed-off-by: Kyeyoon Park <kyeyoonp@qca.qualcomm.com>
Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Kyeyoon Park 2013-12-16 23:01:30 -08:00 • committed by Johannes Berg
parent 567ffc3509
commit fa9ffc7456
13 changed files with 210 additions and 5 deletions
Download patch file Download diff file Expand all files Collapse all files

14
include/uapi/linux/nl80211.h
View file

@ -702,6 +702,12 @@
* (&struct nl80211_vendor_cmd_info) of the supported vendor commands.
* This may also be sent as an event with the same attributes.
*
* @NL80211_CMD_SET_QOS_MAP: Set Interworking QoS mapping for IP DSCP values.
* The QoS mapping information is included in %NL80211_ATTR_QOS_MAP. If
* that attribute is not included, QoS mapping is disabled. Since this
* QoS mapping is relevant for IP packets, it is only valid during an
* association. This is cleared on disassociation and AP restart.
*
* @NL80211_CMD_MAX: highest used command number
* @__NL80211_CMD_AFTER_LAST: internal use
*/
@ -871,6 +877,8 @@ enum nl80211_commands {
NL80211_CMD_VENDOR,
NL80211_CMD_SET_QOS_MAP,
/* add new commands above here */
/* used to define NL80211_CMD_MAX below */
@ -1543,6 +1551,10 @@ enum nl80211_commands {
* @NL80211_ATTR_VENDOR_EVENTS: used for event list advertising in the wiphy
* info, containing a nested array of possible events
*
* @NL80211_ATTR_QOS_MAP: IP DSCP mapping for Interworking QoS mapping. This
* data is in the format defined for the payload of the QoS Map Set element
* in IEEE Std 802.11-2012, 8.4.2.97.
*
* @NL80211_ATTR_MAX: highest attribute number currently defined
* @__NL80211_ATTR_AFTER_LAST: internal use
*/
@ -1869,6 +1881,8 @@ enum nl80211_attrs {
NL80211_ATTR_VENDOR_DATA,
NL80211_ATTR_VENDOR_EVENTS,
NL80211_ATTR_QOS_MAP,
/* add attributes here, update the policy in nl80211.c */
__NL80211_ATTR_AFTER_LAST,