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nl80211: advertise socket TX status capability

Browse source 
The new wifi socket TX capability should be
supported by wifi drivers, let them advertise
whether they do or not.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Johannes Berg 2011-11-06 14:13:33 +01:00 committed by John W. Linville
parent e412156266
commit 1f074bd8eb
3 changed files with 22 additions and 1 deletions
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18
include/linux/nl80211.h
View file

@ -695,6 +695,8 @@ enum nl80211_commands {
#define NL80211_CMD_DISASSOCIATE NL80211_CMD_DISASSOCIATE
#define NL80211_CMD_REG_BEACON_HINT NL80211_CMD_REG_BEACON_HINT
#define NL80211_ATTR_FEATURE_FLAGS NL80211_ATTR_FEATURE_FLAGS
/* source-level API compatibility */
#define NL80211_CMD_GET_MESH_PARAMS NL80211_CMD_GET_MESH_CONFIG
#define NL80211_CMD_SET_MESH_PARAMS NL80211_CMD_SET_MESH_CONFIG
@ -1156,6 +1158,9 @@ enum nl80211_commands {
* it will also not give a status callback nor return a cookie. This is
* mostly useful for probe responses to save airtime.
*
* @NL80211_ATTR_FEATURE_FLAGS: This u32 attribute contains flags from
* &enum nl80211_feature_flags and is advertised in wiphy information.
*
* @NL80211_ATTR_MAX: highest attribute number currently defined
* @__NL80211_ATTR_AFTER_LAST: internal use
*/
@ -1388,6 +1393,8 @@ enum nl80211_attrs {
NL80211_ATTR_DONT_WAIT_FOR_ACK,
NL80211_ATTR_FEATURE_FLAGS,
/* add attributes here, update the policy in nl80211.c */
__NL80211_ATTR_AFTER_LAST,
@ -1422,6 +1429,7 @@ enum nl80211_attrs {
#define NL80211_ATTR_AKM_SUITES NL80211_ATTR_AKM_SUITES
#define NL80211_ATTR_KEY NL80211_ATTR_KEY
#define NL80211_ATTR_KEYS NL80211_ATTR_KEYS
#define NL80211_ATTR_FEATURE_FLAGS NL80211_ATTR_FEATURE_FLAGS
#define NL80211_MAX_SUPP_RATES 32
#define NL80211_MAX_SUPP_REG_RULES 32
@ -2709,4 +2717,14 @@ enum nl80211_ap_sme_features {
};
*/
/**
* enum nl80211_feature_flags - device/driver features
* @NL80211_FEATURE_SK_TX_STATUS: This driver supports reflecting back
* TX status to the socket error queue when requested with the
* socket option.
*/
enum nl80211_feature_flags {
NL80211_FEATURE_SK_TX_STATUS = 1 << 0,
};
#endif /* __LINUX_NL80211_H */

3
include/net/cfg80211.h
View file

@ -1881,6 +1881,7 @@ struct wiphy_wowlan_support {
* @software_iftypes: bitmask of software interface types, these are not
* subject to any restrictions since they are purely managed in SW.
* @flags: wiphy flags, see &enum wiphy_flags
* @features: features advertised to nl80211, see &enum nl80211_feature_flags.
* @bss_priv_size: each BSS struct has private data allocated with it,
* this variable determines its size
* @max_scan_ssids: maximum number of SSIDs the device can scan for in
@ -1942,7 +1943,7 @@ struct wiphy {
/* Supported interface modes, OR together BIT(NL80211_IFTYPE_...) */
u16 interface_modes;
u32 flags;
u32 flags, features;
u32 ap_sme_capa;

2
net/wireless/nl80211.c
View file

@ -1017,6 +1017,8 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags,
NLA_PUT_U32(msg, NL80211_ATTR_DEVICE_AP_SME,
dev->wiphy.ap_sme_capa);
NLA_PUT_U32(msg, NL80211_ATTR_FEATURE_FLAGS, dev->wiphy.features);
return genlmsg_end(msg, hdr);
nla_put_failure: