Return-path: Received: from mail-da0-f46.google.com ([209.85.210.46]:45741 "EHLO mail-da0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1424717Ab2LGWOp (ORCPT ); Fri, 7 Dec 2012 17:14:45 -0500 Received: by mail-da0-f46.google.com with SMTP id p5so370032dak.19 for ; Fri, 07 Dec 2012 14:14:44 -0800 (PST) From: Marco Porsch To: johannes@sipsolutions.net Cc: linux-wireless@vger.kernel.org, devel@lists.open80211s.org, Marco Porsch , Ivan Bezyazychnyy , Mike Krinkin Subject: [RFCv3 5/5] nl80211: allow userspace to access mesh power mode parameters Date: Fri, 7 Dec 2012 14:14:03 -0800 Message-Id: <1354918443-3076-6-git-send-email-marco@cozybit.com> (sfid-20121207_231457_966789_90C31A38) In-Reply-To: <1354918443-3076-1-git-send-email-marco@cozybit.com> References: <1354918443-3076-1-git-send-email-marco@cozybit.com> Sender: linux-wireless-owner@vger.kernel.org List-ID: Add access routines to: get/set local link-specific power mode (STA) get remote STA's link-specific power mode (STA) get remote STA's non-peer power mode (STA) get/set default mesh power mode (mesh config) get/set mesh awake window duration (mesh config) All config changes may be done at mesh runtime and take effect immediately. Signed-off-by: Marco Porsch Signed-off-by: Ivan Bezyazychnyy Signed-off-by: Mike Krinkin --- include/uapi/linux/nl80211.h | 12 ++++++++++++ net/wireless/nl80211.c | 43 +++++++++++++++++++++++++++++++++++++++++- 2 files changed, 54 insertions(+), 1 deletion(-) diff --git a/include/uapi/linux/nl80211.h b/include/uapi/linux/nl80211.h index 78e37ad..9d04576 100644 --- a/include/uapi/linux/nl80211.h +++ b/include/uapi/linux/nl80211.h @@ -1303,6 +1303,9 @@ enum nl80211_commands { * * @NL80211_ATTR_SCAN_FLAGS: scan request control flags (u32) * + * @NL80211_ATTR_LOCAL_MESH_POWER_MODE: local mesh STA link-specific power mode + * defined in &enum nl80211_mesh_power_mode. + * * @NL80211_ATTR_MAX: highest attribute number currently defined * @__NL80211_ATTR_AFTER_LAST: internal use */ @@ -1570,6 +1573,8 @@ enum nl80211_attrs { NL80211_ATTR_CENTER_FREQ1, NL80211_ATTR_CENTER_FREQ2, + NL80211_ATTR_LOCAL_MESH_POWER_MODE, + /* add attributes here, update the policy in nl80211.c */ __NL80211_ATTR_AFTER_LAST, @@ -1824,6 +1829,10 @@ enum nl80211_sta_bss_param { * @NL80211_STA_INFO_STA_FLAGS: Contains a struct nl80211_sta_flag_update. * @NL80211_STA_INFO_BEACON_LOSS: count of times beacon loss was detected (u32) * @NL80211_STA_INFO_T_OFFSET: timing offset with respect to this STA (s64) + * @NL80211_STA_INFO_LOCAL_PM: local mesh STA link-specific power mode + * @NL80211_STA_INFO_PEER_PM: peer mesh STA link-specific power mode + * @NL80211_STA_INFO_NONPEER_PM: neighbor mesh STA power save mode towards + * non-peer STA * @__NL80211_STA_INFO_AFTER_LAST: internal * @NL80211_STA_INFO_MAX: highest possible station info attribute */ @@ -1848,6 +1857,9 @@ enum nl80211_sta_info { NL80211_STA_INFO_STA_FLAGS, NL80211_STA_INFO_BEACON_LOSS, NL80211_STA_INFO_T_OFFSET, + NL80211_STA_INFO_LOCAL_PM, + NL80211_STA_INFO_PEER_PM, + NL80211_STA_INFO_NONPEER_PM, /* keep last */ __NL80211_STA_INFO_AFTER_LAST, diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index dd179ad..f7945d0 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -3029,6 +3029,18 @@ static int nl80211_send_station(struct sk_buff *msg, u32 portid, u32 seq, nla_put_u32(msg, NL80211_STA_INFO_BEACON_LOSS, sinfo->beacon_loss_count)) goto nla_put_failure; + if ((sinfo->filled & STATION_INFO_LOCAL_PM) && + nla_put_u8(msg, NL80211_STA_INFO_LOCAL_PM, + sinfo->local_pm)) + goto nla_put_failure; + if ((sinfo->filled & STATION_INFO_PEER_PM) && + nla_put_u8(msg, NL80211_STA_INFO_PEER_PM, + sinfo->peer_pm)) + goto nla_put_failure; + if ((sinfo->filled & STATION_INFO_NONPEER_PM) && + nla_put_u8(msg, NL80211_STA_INFO_NONPEER_PM, + sinfo->nonpeer_pm)) + goto nla_put_failure; if (sinfo->filled & STATION_INFO_BSS_PARAM) { bss_param = nla_nest_start(msg, NL80211_STA_INFO_BSS_PARAM); if (!bss_param) @@ -3238,6 +3250,17 @@ static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info) params.plink_state = nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_STATE]); + if (info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]) { + enum nl80211_mesh_power_mode pm = nla_get_u8( + info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]); + + if (pm <= NL80211_MESH_POWER_UNKNOWN || + pm > NL80211_MESH_POWER_MAX) + return -EINVAL; + + params.local_pm = pm; + } + switch (dev->ieee80211_ptr->iftype) { case NL80211_IFTYPE_AP: case NL80211_IFTYPE_AP_VLAN: @@ -3245,6 +3268,8 @@ static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info) /* disallow mesh-specific things */ if (params.plink_action) return -EINVAL; + if (params.local_pm) + err = -EINVAL; /* TDLS can't be set, ... */ if (params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) @@ -3287,6 +3312,8 @@ static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info) return -EINVAL; if (params.listen_interval >= 0) return -EINVAL; + if (params.local_pm) + err = -EINVAL; /* reject any changes other than AUTHORIZED */ if (params.sta_flags_mask & ~BIT(NL80211_STA_FLAG_AUTHORIZED)) return -EINVAL; @@ -3908,7 +3935,11 @@ static int nl80211_get_mesh_config(struct sk_buff *skb, nla_put_u16(msg, NL80211_MESHCONF_HWMP_ROOT_INTERVAL, cur_params.dot11MeshHWMProotInterval) || nla_put_u16(msg, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, - cur_params.dot11MeshHWMPconfirmationInterval)) + cur_params.dot11MeshHWMPconfirmationInterval) || + nla_put_u8(msg, NL80211_MESHCONF_POWER_MODE, + cur_params.power_mode) || + nla_put_u16(msg, NL80211_MESHCONF_AWAKE_WINDOW, + cur_params.dot11MeshAwakeWindowDuration)) goto nla_put_failure; nla_nest_end(msg, pinfoattr); genlmsg_end(msg, hdr); @@ -3947,6 +3978,8 @@ static const struct nla_policy nl80211_meshconf_params_policy[NL80211_MESHCONF_A [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT] = { .type = NLA_U32 }, [NL80211_MESHCONF_HWMP_ROOT_INTERVAL] = { .type = NLA_U16 }, [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL] = { .type = NLA_U16 }, + [NL80211_MESHCONF_POWER_MODE] = { .type = NLA_U8 }, + [NL80211_MESHCONF_AWAKE_WINDOW] = { .type = NLA_U16 }, }; static const struct nla_policy @@ -4074,6 +4107,14 @@ do { \ 1, 65535, mask, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, nla_get_u16); + FILL_IN_MESH_PARAM_IF_SET(tb, cfg, power_mode, + NL80211_MESH_POWER_ACTIVE, + NL80211_MESH_POWER_DEEP_SLEEP, + mask, NL80211_MESHCONF_POWER_MODE, + nla_get_u8); + FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshAwakeWindowDuration, + 0, 65535, mask, + NL80211_MESHCONF_AWAKE_WINDOW, nla_get_u16); if (mask_out) *mask_out = mask; -- 1.7.9.5