diff options
| author | Johannes Berg <johannes.berg@intel.com> | 2011-11-04 11:18:15 +0100 |
|---|---|---|
| committer | Dmitry Shmidt <dimitrysh@google.com> | 2012-08-24 13:56:07 -0700 |
| commit | 82342154be417fc39c3afe54788314c5055b889e (patch) | |
| tree | d46aeb69f01995da63eae9a8c6fc96be9894e94d /include | |
| parent | eef4c1efee2f8138ba91143a00adea178bcd5411 (diff) | |
| download | kernel_samsung_crespo-82342154be417fc39c3afe54788314c5055b889e.zip kernel_samsung_crespo-82342154be417fc39c3afe54788314c5055b889e.tar.gz kernel_samsung_crespo-82342154be417fc39c3afe54788314c5055b889e.tar.bz2 | |
nl80211: add API to probe a client
When the AP SME in hostapd is used it wants to
probe the clients when they have been idle for
some time. Add explicit API to support this.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/nl80211.h | 10 | ||||
| -rw-r--r-- | include/net/cfg80211.h | 17 |
2 files changed, 27 insertions, 0 deletions
diff --git a/include/linux/nl80211.h b/include/linux/nl80211.h index 445613c..fa921b7 100644 --- a/include/linux/nl80211.h +++ b/include/linux/nl80211.h @@ -507,6 +507,14 @@ * If used as the command it must have an interface index and you can * only unsubscribe from the event by closing the socket. * + * @NL80211_CMD_PROBE_CLIENT: Probe an associated station on an AP interface + * by sending a null data frame to it and reporting when the frame is + * acknowleged. This is used to allow timing out inactive clients. Uses + * %NL80211_ATTR_IFINDEX and %NL80211_ATTR_MAC. The command returns a + * direct reply with an %NL80211_ATTR_COOKIE that is later used to match + * up the event with the request. The event includes the same data and + * has %NL80211_ATTR_ACK set if the frame was ACKed. + * * @NL80211_CMD_MAX: highest used command number * @__NL80211_CMD_AFTER_LAST: internal use */ @@ -638,6 +646,8 @@ enum nl80211_commands { NL80211_CMD_UNEXPECTED_FRAME, + NL80211_CMD_PROBE_CLIENT, + /* add new commands above here */ /* used to define NL80211_CMD_MAX below */ diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h index 918dc1f..f6f9fb4 100644 --- a/include/net/cfg80211.h +++ b/include/net/cfg80211.h @@ -1368,6 +1368,9 @@ struct cfg80211_gtk_rekey_data { * * @tdls_mgmt: Transmit a TDLS management frame. * @tdls_oper: Perform a high-level TDLS operation (e.g. TDLS link setup). + * + * @probe_client: probe an associated client, must return a cookie that it + * later passes to cfg80211_probe_status(). */ struct cfg80211_ops { int (*suspend)(struct wiphy *wiphy, struct cfg80211_wowlan *wow); @@ -1553,6 +1556,9 @@ struct cfg80211_ops { u16 status_code, const u8 *buf, size_t len); int (*tdls_oper)(struct wiphy *wiphy, struct net_device *dev, u8 *peer, enum nl80211_tdls_operation oper); + + int (*probe_client)(struct wiphy *wiphy, struct net_device *dev, + const u8 *peer, u64 *cookie); }; /* @@ -3161,6 +3167,17 @@ void cfg80211_pmksa_candidate_notify(struct net_device *dev, int index, bool cfg80211_rx_spurious_frame(struct net_device *dev, const u8 *addr, gfp_t gfp); +/** + * cfg80211_probe_status - notify userspace about probe status + * @dev: the device the probe was sent on + * @addr: the address of the peer + * @cookie: the cookie filled in @probe_client previously + * @acked: indicates whether probe was acked or not + * @gfp: allocation flags + */ +void cfg80211_probe_status(struct net_device *dev, const u8 *addr, + u64 cookie, bool acked, gfp_t gfp); + /* Logging, debugging and troubleshooting/diagnostic helpers. */ /* wiphy_printk helpers, similar to dev_printk */ |