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mac80211: Send mesh non-HWMP path selection frames to userspace 

Let path selection frames for protocols other than HWMP be sent to
userspace via NL80211_CMD_REGISTER_FRAME.  Also allow userspace to send
and receive mesh path selection frames.

Signed-off-by: Javier Cardona <javier@cozybit.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Javier Cardona 2010-12-16 17:37:50 -08:00 committed by John W. Linville
parent c80d545da3
commit c7108a7111
6 changed files with 21 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
net/mac80211/cfg.c
View File

@ -1670,6 +1670,7 @@ static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct net_device *dev,
case NL80211_IFTYPE_AP:
case NL80211_IFTYPE_AP_VLAN:
case NL80211_IFTYPE_P2P_GO:
case NL80211_IFTYPE_MESH_POINT:
if (!ieee80211_is_action(mgmt->frame_control) ||
mgmt->u.action.category == WLAN_CATEGORY_PUBLIC)
break;

4
net/mac80211/main.c
View File

@ -484,6 +484,10 @@ ieee80211_default_mgmt_stypes[NUM_NL80211_IFTYPES] = {
BIT(IEEE80211_STYPE_DEAUTH >> 4) |
BIT(IEEE80211_STYPE_ACTION >> 4),
},
[NL80211_IFTYPE_MESH_POINT] = {
.tx = 0xffff,
.rx = BIT(IEEE80211_STYPE_ACTION >> 4),
},
};
struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len,

13
net/mac80211/mesh.c
View File

@ -124,15 +124,6 @@ void mesh_accept_plinks_update(struct ieee80211_sub_if_data *sdata)
ieee80211_mesh_housekeeping_timer((unsigned long) sdata);
}
void mesh_ids_set_default(struct ieee80211_if_mesh *sta)
{
sta->mesh_pp_id = 0; /* HWMP */
sta->mesh_pm_id = 0; /* Airtime */
sta->mesh_cc_id = 0; /* Disabled */
sta->mesh_sp_id = 0; /* Neighbor Offset */
sta->mesh_auth_id = 0; /* Disabled */
}
int mesh_rmc_init(struct ieee80211_sub_if_data *sdata)
{
int i;
@ -525,6 +516,9 @@ void ieee80211_start_mesh(struct ieee80211_sub_if_data *sdata)
atomic_inc(&local->iff_allmultis);
ieee80211_configure_filter(local);
ifmsh->mesh_cc_id = 0; /* Disabled */
ifmsh->mesh_sp_id = 0; /* Neighbor Offset */
ifmsh->mesh_auth_id = 0; /* Disabled */
set_bit(MESH_WORK_HOUSEKEEPING, &ifmsh->wrkq_flags);
ieee80211_mesh_root_setup(ifmsh);
ieee80211_queue_work(&local->hw, &sdata->work);
@ -695,7 +689,6 @@ void ieee80211_mesh_init_sdata(struct ieee80211_sub_if_data *sdata)
/* Allocate all mesh structures when creating the first mesh interface. */
if (!mesh_allocated)
ieee80211s_init();
mesh_ids_set_default(ifmsh);
setup_timer(&ifmsh->mesh_path_timer,
ieee80211_mesh_path_timer,
(unsigned long) sdata);

7
net/mac80211/mesh.h
View File

@ -284,6 +284,11 @@ static inline void mesh_path_activate(struct mesh_path *mpath)
mpath->flags |= MESH_PATH_ACTIVE | MESH_PATH_RESOLVED;
}
static inline bool mesh_path_sel_is_hwmp(struct ieee80211_sub_if_data *sdata)
{
return sdata->u.mesh.mesh_pp_id == IEEE80211_PATH_PROTOCOL_HWMP;
}
#define for_each_mesh_entry(x, p, node, i) \
for (i = 0; i <= x->hash_mask; i++) \
hlist_for_each_entry_rcu(node, p, &x->hash_buckets[i], list)
@ -304,6 +309,8 @@ static inline void ieee80211_mesh_restart(struct ieee80211_sub_if_data *sdata)
{}
static inline void mesh_plink_quiesce(struct sta_info *sta) {}
static inline void mesh_plink_restart(struct sta_info *sta) {}
static inline bool mesh_path_sel_is_hwmp(struct ieee80211_sub_if_data *sdata)
{ return false; }
#endif
#endif /* IEEE80211S_H */

5
net/mac80211/rx.c
View File

@ -2161,10 +2161,13 @@ ieee80211_rx_h_action(struct ieee80211_rx_data *rx)
}
break;
case WLAN_CATEGORY_MESH_PLINK:
case WLAN_CATEGORY_MESH_PATH_SEL:
if (!ieee80211_vif_is_mesh(&sdata->vif))
break;
goto queue;
case WLAN_CATEGORY_MESH_PATH_SEL:
if (!mesh_path_sel_is_hwmp(sdata))
break;
goto queue;
}
return RX_CONTINUE;

2
net/wireless/nl80211.c
View File

@ -4445,6 +4445,7 @@ static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info)
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT &&
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT &&
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
return -EOPNOTSUPP;
@ -4485,6 +4486,7 @@ static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info)
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT &&
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT &&
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
return -EOPNOTSUPP;