From: Javier Cardona Date: Tue, 9 Aug 2011 23:45:10 +0000 (-0700) Subject: {nl,cfg,mac}80211: let userspace set RANN interval X-Git-Tag: v3.2-rc1~129^2~254^2~272 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=0507e159a2b590666982b53ecf6fb2843a5bb423;p=platform%2Fkernel%2Flinux-stable.git {nl,cfg,mac}80211: let userspace set RANN interval Allow userspace to set Root Announcement Interval for our mesh interface. Also, RANN interval is now in proper units of TUs. Signed-off-by: Javier Cardona Signed-off-by: John W. Linville --- diff --git a/include/linux/nl80211.h b/include/linux/nl80211.h index 89dec16..20353bb 100644 --- a/include/linux/nl80211.h +++ b/include/linux/nl80211.h @@ -1861,6 +1861,9 @@ enum nl80211_mntr_flags { * @NL80211_MESHCONF_ELEMENT_TTL: specifies the value of TTL field set at a * source mesh point for path selection elements. * + * @NL80211_MESHCONF_HWMP_RANN_INTERVAL: The interval of time (in TUs) between + * root announcements are transmitted. + * * @NL80211_MESHCONF_ATTR_MAX: highest possible mesh configuration attribute * * @__NL80211_MESHCONF_ATTR_AFTER_LAST: internal use @@ -1882,6 +1885,7 @@ enum nl80211_meshconf_params { NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, NL80211_MESHCONF_HWMP_ROOTMODE, NL80211_MESHCONF_ELEMENT_TTL, + NL80211_MESHCONF_HWMP_RANN_INTERVAL, /* keep last */ __NL80211_MESHCONF_ATTR_AFTER_LAST, diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h index d29d11a..4f0d12e 100644 --- a/include/net/cfg80211.h +++ b/include/net/cfg80211.h @@ -755,6 +755,7 @@ struct mesh_config { u16 dot11MeshHWMPpreqMinInterval; u16 dot11MeshHWMPnetDiameterTraversalTime; u8 dot11MeshHWMPRootMode; + u16 dot11MeshHWMPRannInterval; }; /** diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index c1fa577..9995c83 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -1137,6 +1137,10 @@ static int ieee80211_update_mesh_config(struct wiphy *wiphy, conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode; ieee80211_mesh_root_setup(ifmsh); } + if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask)) { + conf->dot11MeshHWMPRannInterval = + nconf->dot11MeshHWMPRannInterval; + } return 0; } diff --git a/net/mac80211/debugfs_netdev.c b/net/mac80211/debugfs_netdev.c index 75ece3d..bac9443 100644 --- a/net/mac80211/debugfs_netdev.c +++ b/net/mac80211/debugfs_netdev.c @@ -372,6 +372,8 @@ IEEE80211_IF_FILE(min_discovery_timeout, u.mesh.mshcfg.min_discovery_timeout, DEC); IEEE80211_IF_FILE(dot11MeshHWMPRootMode, u.mesh.mshcfg.dot11MeshHWMPRootMode, DEC); +IEEE80211_IF_FILE(dot11MeshHWMPRannInterval, + u.mesh.mshcfg.dot11MeshHWMPRannInterval, DEC); #endif @@ -486,6 +488,7 @@ static void add_mesh_config(struct ieee80211_sub_if_data *sdata) MESHPARAMS_ADD(path_refresh_time); MESHPARAMS_ADD(min_discovery_timeout); MESHPARAMS_ADD(dot11MeshHWMPRootMode); + MESHPARAMS_ADD(dot11MeshHWMPRannInterval); #undef MESHPARAMS_ADD } #endif diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c index e120fef..1c4f53c3 100644 --- a/net/mac80211/mesh.c +++ b/net/mac80211/mesh.c @@ -537,7 +537,8 @@ static void ieee80211_mesh_rootpath(struct ieee80211_sub_if_data *sdata) mesh_path_tx_root_frame(sdata); mod_timer(&ifmsh->mesh_path_root_timer, - round_jiffies(jiffies + IEEE80211_MESH_RANN_INTERVAL)); + round_jiffies(jiffies + + usecs_to_jiffies(ifmsh->mshcfg.dot11MeshHWMPRannInterval * 1024))); } #ifdef CONFIG_PM diff --git a/net/mac80211/mesh.h b/net/mac80211/mesh.h index 9d9116e..2027207 100644 --- a/net/mac80211/mesh.h +++ b/net/mac80211/mesh.h @@ -175,7 +175,6 @@ struct mesh_rmc { #define IEEE80211_MESH_PEER_INACTIVITY_LIMIT (1800 * HZ) #define IEEE80211_MESH_HOUSEKEEPING_INTERVAL (60 * HZ) -#define IEEE80211_MESH_RANN_INTERVAL (1 * HZ) #define MESH_DEFAULT_BEACON_INTERVAL 1000 /* in 1024 us units */ diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c index 7b517c4..ae3de75 100644 --- a/net/mac80211/mesh_hwmp.c +++ b/net/mac80211/mesh_hwmp.c @@ -695,7 +695,7 @@ static void hwmp_rann_frame_process(struct ieee80211_sub_if_data *sdata, u8 ttl, flags, hopcount; u8 *orig_addr; u32 orig_sn, metric; - u32 interval = cpu_to_le32(IEEE80211_MESH_RANN_INTERVAL); + u32 interval = ifmsh->mshcfg.dot11MeshHWMPRannInterval; bool root_is_gate; ttl = rann->rann_ttl; @@ -743,7 +743,7 @@ static void hwmp_rann_frame_process(struct ieee80211_sub_if_data *sdata, mesh_path_sel_frame_tx(MPATH_RANN, flags, orig_addr, cpu_to_le32(orig_sn), 0, NULL, 0, broadcast_addr, - hopcount, ttl, interval, + hopcount, ttl, cpu_to_le32(interval), cpu_to_le32(metric + mpath->metric), 0, sdata); mpath->sn = orig_sn; @@ -1044,11 +1044,11 @@ void mesh_path_tx_root_frame(struct ieee80211_sub_if_data *sdata) { struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; - u32 interval = cpu_to_le32(IEEE80211_MESH_RANN_INTERVAL); + u32 interval = ifmsh->mshcfg.dot11MeshHWMPRannInterval; mesh_path_sel_frame_tx(MPATH_RANN, 0, sdata->vif.addr, cpu_to_le32(++ifmsh->sn), 0, NULL, 0, broadcast_addr, 0, sdata->u.mesh.mshcfg.element_ttl, - interval, 0, 0, sdata); + cpu_to_le32(interval), 0, 0, sdata); } diff --git a/net/wireless/mesh.c b/net/wireless/mesh.c index 5c11608..b5a39d4 100644 --- a/net/wireless/mesh.c +++ b/net/wireless/mesh.c @@ -12,6 +12,7 @@ #define MESH_HOLD_T 100 #define MESH_PATH_TIMEOUT 5000 +#define MESH_RANN_INTERVAL 5000 /* * Minimum interval between two consecutive PREQs originated by the same @@ -49,6 +50,7 @@ const struct mesh_config default_mesh_config = { .dot11MeshHWMPmaxPREQretries = MESH_MAX_PREQ_RETRIES, .path_refresh_time = MESH_PATH_REFRESH_TIME, .min_discovery_timeout = MESH_MIN_DISCOVERY_TIMEOUT, + .dot11MeshHWMPRannInterval = MESH_RANN_INTERVAL, }; const struct mesh_setup default_mesh_setup = { diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 93ee888..bbf3d73 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -3035,6 +3035,8 @@ static int nl80211_get_mesh_config(struct sk_buff *skb, cur_params.dot11MeshHWMPnetDiameterTraversalTime); NLA_PUT_U8(msg, NL80211_MESHCONF_HWMP_ROOTMODE, cur_params.dot11MeshHWMPRootMode); + NLA_PUT_U16(msg, NL80211_MESHCONF_HWMP_RANN_INTERVAL, + cur_params.dot11MeshHWMPRannInterval); nla_nest_end(msg, pinfoattr); genlmsg_end(msg, hdr); return genlmsg_reply(msg, info); @@ -3063,6 +3065,7 @@ static const struct nla_policy nl80211_meshconf_params_policy[NL80211_MESHCONF_A [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL] = { .type = NLA_U16 }, [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME] = { .type = NLA_U16 }, [NL80211_MESHCONF_HWMP_ROOTMODE] = { .type = NLA_U8 }, + [NL80211_MESHCONF_HWMP_RANN_INTERVAL] = { .type = NLA_U16 }, }; static const struct nla_policy @@ -3141,6 +3144,10 @@ do {\ dot11MeshHWMPRootMode, mask, NL80211_MESHCONF_HWMP_ROOTMODE, nla_get_u8); + FILL_IN_MESH_PARAM_IF_SET(tb, cfg, + dot11MeshHWMPRannInterval, mask, + NL80211_MESHCONF_HWMP_RANN_INTERVAL, + nla_get_u16); if (mask_out) *mask_out = mask;