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{nl,cfg,mac}80211: let userspace make meshif mesh gate 

Allow userspace to set NL80211_MESHCONF_GATE_ANNOUNCEMENTS attribute,
which will advertise this mesh node as being a mesh gate.
NL80211_HWMP_ROOTMODE must be set or this will do nothing.

Signed-off-by: Javier Cardona <javier@cozybit.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Javier Cardona 2011-08-09 16:45:11 -07:00 committed by John W. Linville
parent 0507e159a2
commit 16dd7267f4
7 changed files with 29 additions and 1 deletions
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5
include/linux/nl80211.h
View File

@ -1864,6 +1864,10 @@ enum nl80211_mntr_flags {
* @NL80211_MESHCONF_HWMP_RANN_INTERVAL: The interval of time (in TUs) between
* root announcements are transmitted.
*
* @NL80211_MESHCONF_GATE_ANNOUNCEMENTS: Advertise that this mesh station has
* access to a broader network beyond the MBSS. This is done via Root
* Announcement frames.
*
* @NL80211_MESHCONF_ATTR_MAX: highest possible mesh configuration attribute
*
* @__NL80211_MESHCONF_ATTR_AFTER_LAST: internal use
@ -1886,6 +1890,7 @@ enum nl80211_meshconf_params {
NL80211_MESHCONF_HWMP_ROOTMODE,
NL80211_MESHCONF_ELEMENT_TTL,
NL80211_MESHCONF_HWMP_RANN_INTERVAL,
NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
/* keep last */
__NL80211_MESHCONF_ATTR_AFTER_LAST,

5
include/net/cfg80211.h
View File

@ -756,6 +756,11 @@ struct mesh_config {
u16 dot11MeshHWMPnetDiameterTraversalTime;
u8 dot11MeshHWMPRootMode;
u16 dot11MeshHWMPRannInterval;
/* This is missnamed in draft 12.0: dot11MeshGateAnnouncementProtocol
* set to true only means that the station will announce others it's a
* mesh gate, but not necessarily using the gate announcement protocol.
* Still keeping the same nomenclature to be in sync with the spec. */
bool dot11MeshGateAnnouncementProtocol;
};
/**

4
net/mac80211/cfg.c
View File

@ -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_GATE_ANNOUNCEMENTS, mask)) {
conf->dot11MeshGateAnnouncementProtocol =
nconf->dot11MeshGateAnnouncementProtocol;
}
if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask)) {
conf->dot11MeshHWMPRannInterval =
nconf->dot11MeshHWMPRannInterval;

3
net/mac80211/debugfs_netdev.c
View File

@ -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(dot11MeshGateAnnouncementProtocol,
u.mesh.mshcfg.dot11MeshGateAnnouncementProtocol, DEC);
IEEE80211_IF_FILE(dot11MeshHWMPRannInterval,
u.mesh.mshcfg.dot11MeshHWMPRannInterval, DEC);
#endif
@ -489,6 +491,7 @@ static void add_mesh_config(struct ieee80211_sub_if_data *sdata)
MESHPARAMS_ADD(min_discovery_timeout);
MESHPARAMS_ADD(dot11MeshHWMPRootMode);
MESHPARAMS_ADD(dot11MeshHWMPRannInterval);
MESHPARAMS_ADD(dot11MeshGateAnnouncementProtocol);
#undef MESHPARAMS_ADD
}
#endif

5
net/mac80211/mesh_hwmp.c
View File

@ -1045,8 +1045,11 @@ mesh_path_tx_root_frame(struct ieee80211_sub_if_data *sdata)
{
struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
u32 interval = ifmsh->mshcfg.dot11MeshHWMPRannInterval;
u8 flags;
mesh_path_sel_frame_tx(MPATH_RANN, 0, sdata->vif.addr,
flags = (ifmsh->mshcfg.dot11MeshGateAnnouncementProtocol)
? RANN_FLAG_IS_GATE : 0;
mesh_path_sel_frame_tx(MPATH_RANN, flags, sdata->vif.addr,
cpu_to_le32(++ifmsh->sn),
0, NULL, 0, broadcast_addr,
0, sdata->u.mesh.mshcfg.element_ttl,

1
net/wireless/mesh.c
View File

@ -51,6 +51,7 @@ const struct mesh_config default_mesh_config = {
.path_refresh_time = MESH_PATH_REFRESH_TIME,
.min_discovery_timeout = MESH_MIN_DISCOVERY_TIMEOUT,
.dot11MeshHWMPRannInterval = MESH_RANN_INTERVAL,
.dot11MeshGateAnnouncementProtocol = false,
};
const struct mesh_setup default_mesh_setup = {

7
net/wireless/nl80211.c
View File

@ -3037,6 +3037,8 @@ static int nl80211_get_mesh_config(struct sk_buff *skb,
cur_params.dot11MeshHWMPRootMode);
NLA_PUT_U16(msg, NL80211_MESHCONF_HWMP_RANN_INTERVAL,
cur_params.dot11MeshHWMPRannInterval);
NLA_PUT_U8(msg, NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
cur_params.dot11MeshGateAnnouncementProtocol);
nla_nest_end(msg, pinfoattr);
genlmsg_end(msg, hdr);
return genlmsg_reply(msg, info);
@ -3066,6 +3068,7 @@ static const struct nla_policy nl80211_meshconf_params_policy[NL80211_MESHCONF_A
[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 },
[NL80211_MESHCONF_GATE_ANNOUNCEMENTS] = { .type = NLA_U8 },
};
static const struct nla_policy
@ -3148,6 +3151,10 @@ do {\
dot11MeshHWMPRannInterval, mask,
NL80211_MESHCONF_HWMP_RANN_INTERVAL,
nla_get_u16);
FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
dot11MeshGateAnnouncementProtocol, mask,
NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
nla_get_u8);
if (mask_out)
*mask_out = mask;