Return-path: Received: from wolverine02.qualcomm.com ([199.106.114.251]:56887 "EHLO wolverine02.qualcomm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759189Ab2CAMwN (ORCPT ); Thu, 1 Mar 2012 07:52:13 -0500 From: Vasanthakumar Thiagarajan To: CC: , Subject: [PATCH] cfg80211: Add an attribute to set inactivity timeout in AP mode Date: Thu, 1 Mar 2012 18:22:19 +0530 Message-ID: <1330606339-9055-1-git-send-email-vthiagar@qca.qualcomm.com> (sfid-20120301_135217_410928_22FE1691) MIME-Version: 1.0 Content-Type: text/plain Sender: linux-wireless-owner@vger.kernel.org List-ID: This patch adds an attribute, NL80211_ATTR_INACTIVITY_TIMEOUT, to set the inactivity timeout which can be used to remove the station in AP mode. This can be passed in NL80211_CMD_START_AP and used by the drivers which have AP MLME in firmware but don't support get_station() properly. Signed-off-by: Vasanthakumar Thiagarajan --- include/linux/nl80211.h | 11 +++++++++-- include/net/cfg80211.h | 2 ++ net/wireless/nl80211.c | 5 +++++ 3 files changed, 16 insertions(+), 2 deletions(-) diff --git a/include/linux/nl80211.h b/include/linux/nl80211.h index be35a68..9fe9595 100644 --- a/include/linux/nl80211.h +++ b/include/linux/nl80211.h @@ -168,8 +168,8 @@ * %NL80211_ATTR_DTIM_PERIOD, %NL80211_ATTR_SSID, * %NL80211_ATTR_HIDDEN_SSID, %NL80211_ATTR_CIPHERS_PAIRWISE, * %NL80211_ATTR_CIPHER_GROUP, %NL80211_ATTR_WPA_VERSIONS, - * %NL80211_ATTR_AKM_SUITES, %NL80211_ATTR_PRIVACY and - * %NL80211_ATTR_AUTH_TYPE. + * %NL80211_ATTR_AKM_SUITES, %NL80211_ATTR_PRIVACY, + * %NL80211_ATTR_AUTH_TYPE and %NL80211_ATTR_INACTIVITY_TIMEOUT. * @NL80211_CMD_NEW_BEACON: old alias for %NL80211_CMD_START_AP * @NL80211_CMD_STOP_AP: Stop AP operation on the given interface * @NL80211_CMD_DEL_BEACON: old alias for %NL80211_CMD_STOP_AP @@ -1197,6 +1197,11 @@ enum nl80211_commands { * @NL80211_ATTR_NOACK_MAP: This u16 bitmap contains the No Ack Policy of * up to 16 TIDs. * + * @NL80211_ATTR_INACTIVITY_TIMEOUT: timeout value in seconds, this can be + * used by the drivers which has MLME in firmware and does not have support + * to report per station tx/rx activity to free up the staion entry from + * the list. + * * @NL80211_ATTR_MAX: highest attribute number currently defined * @__NL80211_ATTR_AFTER_LAST: internal use */ @@ -1442,6 +1447,8 @@ enum nl80211_attrs { NL80211_ATTR_NOACK_MAP, + NL80211_ATTR_INACTIVITY_TIMEOUT, + /* add attributes here, update the policy in nl80211.c */ __NL80211_ATTR_AFTER_LAST, diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h index 0178c74..9cd5ef6 100644 --- a/include/net/cfg80211.h +++ b/include/net/cfg80211.h @@ -413,6 +413,7 @@ struct cfg80211_beacon_data { * @crypto: crypto settings * @privacy: the BSS uses privacy * @auth_type: Authentication type (algorithm) + * @inactivity_timeout: time in seconds to determine station's inactivity. */ struct cfg80211_ap_settings { struct cfg80211_beacon_data beacon; @@ -424,6 +425,7 @@ struct cfg80211_ap_settings { struct cfg80211_crypto_settings crypto; bool privacy; enum nl80211_auth_type auth_type; + int inactivity_timeout; }; /** diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 1998c36..9d0f391 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -204,6 +204,7 @@ static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = { .len = NL80211_HT_CAPABILITY_LEN }, [NL80211_ATTR_NOACK_MAP] = { .type = NLA_U16 }, + [NL80211_ATTR_INACTIVITY_TIMEOUT] = { .type = NLA_U16 }, }; /* policy for the key attributes */ @@ -2214,6 +2215,10 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info) if (err) return err; + if (info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]) + params.inactivity_timeout = nla_get_u16( + info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]); + err = rdev->ops->start_ap(&rdev->wiphy, dev, ¶ms); if (!err) wdev->beacon_interval = params.beacon_interval; -- 1.7.0.4