Signed-off-by: Javier Cardona <jav...@cozybit.com>
---
include/linux/nl80211.h | 4 ++++
include/net/cfg80211.h | 29 +++++++++++++++++++++++++++++
net/mac80211/cfg.c | 30 +++++++++++++++++++++---------
net/mac80211/sta_info.h | 23 -----------------------
net/wireless/nl80211.c | 6 ++++++
5 files changed, 60 insertions(+), 32 deletions(-)
diff --git a/include/linux/nl80211.h b/include/linux/nl80211.h
index 8684c0a..48fb8cc 100644
--- a/include/linux/nl80211.h
+++ b/include/linux/nl80211.h
@@ -902,6 +902,9 @@ enum nl80211_commands {
* @NL80211_ATTR_SUPPORT_MESH_AUTH: Currently, this means the underlying driver
* allows auth frames in a mesh to be passed to userspace for processing
via
* the @NL80211_MESH_SETUP_USERSPACE_AUTH flag.
+ * @NL80211_ATTR_STA_PLINK_STATE: The state of a mesh peer link. Used when
+ * userspace is driving the peer link management state machine.
+ * @NL80211_MESH_SETUP_USERSPACE_AMPE must be enabled.
*
* @NL80211_ATTR_MAX: highest attribute number currently defined
* @__NL80211_ATTR_AFTER_LAST: internal use
@@ -1091,6 +1094,7 @@ enum nl80211_attrs {
NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX,
NL80211_ATTR_SUPPORT_MESH_AUTH,
+ NL80211_ATTR_STA_PLINK_STATE,
/* add attributes here, update the policy in nl80211.c */
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 5e4f87b..e956ffb 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -372,6 +372,33 @@ enum plink_actions {
};
/**
+ * enum plink_states - state of a mesh peer link finite state machine
+ *
+ * @PLINK_LISTEN: initial state, considered the implicit state of non
+ * existant mesh peer links
+ * @PLINK_OPN_SNT: mesh plink open frame has been sent to this mesh
+ * peer @PLINK_OPN_RCVD: mesh plink open frame has been received from
+ * this mesh peer
+ * @PLINK_CNF_RCVD: mesh plink confirm frame has been received from
+ * this mesh peer
+ * @PLINK_ESTAB: mesh peer link is established
+ * @PLINK_HOLDING: mesh peer link is being closed or cancelled
+ * @PLINK_BLOCKED: all frames transmitted from this mesh plink are
+ * discarded
+ * @PLINK_INVALID: reserved
+ */
+enum plink_state {
+ PLINK_LISTEN,
+ PLINK_OPN_SNT,
+ PLINK_OPN_RCVD,
+ PLINK_CNF_RCVD,
+ PLINK_ESTAB,
+ PLINK_HOLDING,
+ PLINK_BLOCKED,
+ PLINK_INVALID,
+};
+
+/**
* struct station_parameters - station parameters
*
* Used to change and create a new station.
@@ -387,6 +414,7 @@ enum plink_actions {
* @listen_interval: listen interval or -1 for no change
* @aid: AID or zero for no change
* @plink_action: plink action to take
+ * @plink_state: set the peer link state for a station
* @ht_capa: HT capabilities of station
*/
struct station_parameters {
@@ -397,6 +425,7 @@ struct station_parameters {
u16 aid;
u8 supported_rates_len;
u8 plink_action;
+ u8 plink_state;
struct ieee80211_ht_cap *ht_capa;
};
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 7ea13d3..dbc5bcb 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -734,15 +734,27 @@ static void sta_apply_parameters(struct ieee80211_local
*local,
params->ht_capa,
&sta->sta.ht_cap);
- if (ieee80211_vif_is_mesh(&sdata->vif) && params->plink_action) {
- switch (params->plink_action) {
- case PLINK_ACTION_OPEN:
- mesh_plink_open(sta);
- break;
- case PLINK_ACTION_BLOCK:
- mesh_plink_block(sta);
- break;
- }
+ if (ieee80211_vif_is_mesh(&sdata->vif)) {
+ if (sdata->u.mesh.security & IEEE80211_MESH_SEC_SECURED)
+ switch (params->plink_state) {
+ case PLINK_LISTEN:
+ case PLINK_ESTAB:
+ case PLINK_BLOCKED:
+ sta->plink_state = params->plink_state;
+ break;
+ default:
+ /* nothing */
+ break;
+ }
+ else
+ switch (params->plink_action) {
+ case PLINK_ACTION_OPEN:
+ mesh_plink_open(sta);
+ break;
+ case PLINK_ACTION_BLOCK:
+ mesh_plink_block(sta);
+ break;
+ }
}
}
diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h
index aa0adcb..f00b4dc 100644
--- a/net/mac80211/sta_info.h
+++ b/net/mac80211/sta_info.h
@@ -174,29 +174,6 @@ struct sta_ampdu_mlme {
/**
- * enum plink_state - state of a mesh peer link finite state machine
- *
- * @PLINK_LISTEN: initial state, considered the implicit state of non existent
- * mesh peer links
- * @PLINK_OPN_SNT: mesh plink open frame has been sent to this mesh peer
- * @PLINK_OPN_RCVD: mesh plink open frame has been received from this mesh peer
- * @PLINK_CNF_RCVD: mesh plink confirm frame has been received from this mesh
- * peer
- * @PLINK_ESTAB: mesh peer link is established
- * @PLINK_HOLDING: mesh peer link is being closed or cancelled
- * @PLINK_BLOCKED: all frames transmitted from this mesh plink are discarded
- */
-enum plink_state {
- PLINK_LISTEN,
- PLINK_OPN_SNT,
- PLINK_OPN_RCVD,
- PLINK_CNF_RCVD,
- PLINK_ESTAB,
- PLINK_HOLDING,
- PLINK_BLOCKED
-};
-
-/**
* struct sta_info - STA information
*
* This structure collects information about a station that
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 7c1c4de..49f220a 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -173,6 +173,7 @@ static const struct nla_policy
nl80211_policy[NL80211_ATTR_MAX+1] = {
[NL80211_ATTR_MCAST_RATE] = { .type = NLA_U32 },
[NL80211_ATTR_OFFCHANNEL_TX_OK] = { .type = NLA_FLAG },
[NL80211_ATTR_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED },
+ [NL80211_ATTR_STA_PLINK_STATE] = { .type = NLA_U8 },
};
/* policy for the key attributes */
@@ -2216,6 +2217,7 @@ static int nl80211_set_station(struct sk_buff *skb,
struct genl_info *info)
memset(¶ms, 0, sizeof(params));
params.listen_interval = -1;
+ params.plink_state = PLINK_INVALID;
if (info->attrs[NL80211_ATTR_STA_AID])
return -EINVAL;
@@ -2247,6 +2249,10 @@ static int nl80211_set_station(struct sk_buff *skb,
struct genl_info *info)
params.plink_action =
nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
+ if (info->attrs[NL80211_ATTR_STA_PLINK_STATE])
+ params.plink_state =
+ nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_STATE]);
+
err = get_vlan(info, rdev, ¶ms.vlan);
if (err)
goto out;
--
1.7.1
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