nl80211: Move peer link state definition to nl80211
These definitions need to be exposed now that we can set the peer link
states via NL80211_ATTR_STA_PLINK_STATE. They were already being
(opaquely) reported by NL80211_STA_INFO_PLINK_STATE.
Signed-off-by: Javier Cardona <javier@cozybit.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/include/linux/nl80211.h b/include/linux/nl80211.h
index 0ea497c..fc3a948 100644
--- a/include/linux/nl80211.h
+++ b/include/linux/nl80211.h
@@ -973,9 +973,10 @@
* @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_STA_PLINK_STATE: The state of a mesh peer link as
+ * defined in &enum nl80211_plink_state. Used when userspace is
+ * driving the peer link management state machine.
+ * @NL80211_MESH_SETUP_USERSPACE_AMPE must be enabled.
*
* @NL80211_ATTR_WOWLAN_SUPPORTED: indicates, as part of the wiphy capabilities,
* the supported WoWLAN triggers
@@ -1396,6 +1397,7 @@
* @NL80211_STA_INFO_LLID: the station's mesh LLID
* @NL80211_STA_INFO_PLID: the station's mesh PLID
* @NL80211_STA_INFO_PLINK_STATE: peer link state for the station
+ * (see %enum nl80211_plink_state)
* @NL80211_STA_INFO_RX_BITRATE: last unicast data frame rx rate, nested
* attribute, like NL80211_STA_INFO_TX_BITRATE.
* @NL80211_STA_INFO_BSS_PARAM: current station's view of BSS, nested attribute
@@ -2326,4 +2328,37 @@
MAX_NL80211_IFACE_COMB = NUM_NL80211_IFACE_COMB - 1
};
+
+/**
+ * enum nl80211_plink_state - state of a mesh peer link finite state machine
+ *
+ * @NL80211_PLINK_LISTEN: initial state, considered the implicit
+ * state of non existant mesh peer links
+ * @NL80211_PLINK_OPN_SNT: mesh plink open frame has been sent to
+ * this mesh peer
+ * @NL80211_PLINK_OPN_RCVD: mesh plink open frame has been received
+ * from this mesh peer
+ * @NL80211_PLINK_CNF_RCVD: mesh plink confirm frame has been
+ * received from this mesh peer
+ * @NL80211_PLINK_ESTAB: mesh peer link is established
+ * @NL80211_PLINK_HOLDING: mesh peer link is being closed or cancelled
+ * @NL80211_PLINK_BLOCKED: all frames transmitted from this mesh
+ * plink are discarded
+ * @NUM_NL80211_PLINK_STATES: number of peer link states
+ * @MAX_NL80211_PLINK_STATES: highest numerical value of plink states
+ */
+enum nl80211_plink_state {
+ NL80211_PLINK_LISTEN,
+ NL80211_PLINK_OPN_SNT,
+ NL80211_PLINK_OPN_RCVD,
+ NL80211_PLINK_CNF_RCVD,
+ NL80211_PLINK_ESTAB,
+ NL80211_PLINK_HOLDING,
+ NL80211_PLINK_BLOCKED,
+
+ /* keep last */
+ NUM_NL80211_PLINK_STATES,
+ MAX_NL80211_PLINK_STATES = NUM_NL80211_PLINK_STATES - 1
+};
+
#endif /* __LINUX_NL80211_H */
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 04afcfb..0a2d795 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -372,33 +372,6 @@
};
/**
- * 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.
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 6ecd586..be70c70 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -730,9 +730,9 @@
#ifdef CONFIG_MAC80211_MESH
if (sdata->u.mesh.security & IEEE80211_MESH_SEC_SECURED)
switch (params->plink_state) {
- case PLINK_LISTEN:
- case PLINK_ESTAB:
- case PLINK_BLOCKED:
+ case NL80211_PLINK_LISTEN:
+ case NL80211_PLINK_ESTAB:
+ case NL80211_PLINK_BLOCKED:
sta->plink_state = params->plink_state;
break;
default:
diff --git a/net/mac80211/mesh_plink.c b/net/mac80211/mesh_plink.c
index 2c37bee..f4adc09 100644
--- a/net/mac80211/mesh_plink.c
+++ b/net/mac80211/mesh_plink.c
@@ -83,7 +83,7 @@
*/
static inline void mesh_plink_fsm_restart(struct sta_info *sta)
{
- sta->plink_state = PLINK_LISTEN;
+ sta->plink_state = NL80211_PLINK_LISTEN;
sta->llid = sta->plid = sta->reason = 0;
sta->plink_retries = 0;
}
@@ -126,11 +126,11 @@
struct ieee80211_sub_if_data *sdata = sta->sdata;
bool deactivated = false;
- if (sta->plink_state == PLINK_ESTAB) {
+ if (sta->plink_state == NL80211_PLINK_ESTAB) {
mesh_plink_dec_estab_count(sdata);
deactivated = true;
}
- sta->plink_state = PLINK_BLOCKED;
+ sta->plink_state = NL80211_PLINK_BLOCKED;
mesh_path_flush_by_nexthop(sta);
return deactivated;
@@ -268,7 +268,7 @@
sta->last_rx = jiffies;
sta->sta.supp_rates[local->hw.conf.channel->band] = rates;
if (mesh_peer_accepts_plinks(elems) &&
- sta->plink_state == PLINK_LISTEN &&
+ sta->plink_state == NL80211_PLINK_LISTEN &&
sdata->u.mesh.accepting_plinks &&
sdata->u.mesh.mshcfg.auto_open_plinks)
mesh_plink_open(sta);
@@ -308,8 +308,8 @@
sdata = sta->sdata;
switch (sta->plink_state) {
- case PLINK_OPN_RCVD:
- case PLINK_OPN_SNT:
+ case NL80211_PLINK_OPN_RCVD:
+ case NL80211_PLINK_OPN_SNT:
/* retry timer */
if (sta->plink_retries < dot11MeshMaxRetries(sdata)) {
u32 rand;
@@ -328,17 +328,17 @@
}
reason = cpu_to_le16(MESH_MAX_RETRIES);
/* fall through on else */
- case PLINK_CNF_RCVD:
+ case NL80211_PLINK_CNF_RCVD:
/* confirm timer */
if (!reason)
reason = cpu_to_le16(MESH_CONFIRM_TIMEOUT);
- sta->plink_state = PLINK_HOLDING;
+ sta->plink_state = NL80211_PLINK_HOLDING;
mod_plink_timer(sta, dot11MeshHoldingTimeout(sdata));
spin_unlock_bh(&sta->lock);
mesh_plink_frame_tx(sdata, PLINK_CLOSE, sta->sta.addr, llid, plid,
reason);
break;
- case PLINK_HOLDING:
+ case NL80211_PLINK_HOLDING:
/* holding timer */
del_timer(&sta->plink_timer);
mesh_plink_fsm_restart(sta);
@@ -386,11 +386,11 @@
spin_lock_bh(&sta->lock);
get_random_bytes(&llid, 2);
sta->llid = llid;
- if (sta->plink_state != PLINK_LISTEN) {
+ if (sta->plink_state != NL80211_PLINK_LISTEN) {
spin_unlock_bh(&sta->lock);
return -EBUSY;
}
- sta->plink_state = PLINK_OPN_SNT;
+ sta->plink_state = NL80211_PLINK_OPN_SNT;
mesh_plink_timer_set(sta, dot11MeshRetryTimeout(sdata));
spin_unlock_bh(&sta->lock);
mpl_dbg("Mesh plink: starting establishment with %pM\n",
@@ -407,7 +407,7 @@
spin_lock_bh(&sta->lock);
deactivated = __mesh_plink_deactivate(sta);
- sta->plink_state = PLINK_BLOCKED;
+ sta->plink_state = NL80211_PLINK_BLOCKED;
spin_unlock_bh(&sta->lock);
if (deactivated)
@@ -430,13 +430,13 @@
__le16 plid, llid, reason;
#ifdef CONFIG_MAC80211_VERBOSE_MPL_DEBUG
static const char *mplstates[] = {
- [PLINK_LISTEN] = "LISTEN",
- [PLINK_OPN_SNT] = "OPN-SNT",
- [PLINK_OPN_RCVD] = "OPN-RCVD",
- [PLINK_CNF_RCVD] = "CNF_RCVD",
- [PLINK_ESTAB] = "ESTAB",
- [PLINK_HOLDING] = "HOLDING",
- [PLINK_BLOCKED] = "BLOCKED"
+ [NL80211_PLINK_LISTEN] = "LISTEN",
+ [NL80211_PLINK_OPN_SNT] = "OPN-SNT",
+ [NL80211_PLINK_OPN_RCVD] = "OPN-RCVD",
+ [NL80211_PLINK_CNF_RCVD] = "CNF_RCVD",
+ [NL80211_PLINK_ESTAB] = "ESTAB",
+ [NL80211_PLINK_HOLDING] = "HOLDING",
+ [NL80211_PLINK_BLOCKED] = "BLOCKED"
};
#endif
@@ -502,7 +502,7 @@
return;
}
- if (sta && sta->plink_state == PLINK_BLOCKED) {
+ if (sta && sta->plink_state == NL80211_PLINK_BLOCKED) {
rcu_read_unlock();
return;
}
@@ -572,7 +572,7 @@
event = CNF_ACPT;
break;
case PLINK_CLOSE:
- if (sta->plink_state == PLINK_ESTAB)
+ if (sta->plink_state == NL80211_PLINK_ESTAB)
/* Do not check for llid or plid. This does not
* follow the standard but since multiple plinks
* per sta are not supported, it is necessary in
@@ -607,14 +607,14 @@
reason = 0;
switch (sta->plink_state) {
/* spin_unlock as soon as state is updated at each case */
- case PLINK_LISTEN:
+ case NL80211_PLINK_LISTEN:
switch (event) {
case CLS_ACPT:
mesh_plink_fsm_restart(sta);
spin_unlock_bh(&sta->lock);
break;
case OPN_ACPT:
- sta->plink_state = PLINK_OPN_RCVD;
+ sta->plink_state = NL80211_PLINK_OPN_RCVD;
sta->plid = plid;
get_random_bytes(&llid, 2);
sta->llid = llid;
@@ -631,7 +631,7 @@
}
break;
- case PLINK_OPN_SNT:
+ case NL80211_PLINK_OPN_SNT:
switch (event) {
case OPN_RJCT:
case CNF_RJCT:
@@ -640,7 +640,7 @@
if (!reason)
reason = cpu_to_le16(MESH_CLOSE_RCVD);
sta->reason = reason;
- sta->plink_state = PLINK_HOLDING;
+ sta->plink_state = NL80211_PLINK_HOLDING;
if (!mod_plink_timer(sta,
dot11MeshHoldingTimeout(sdata)))
sta->ignore_plink_timer = true;
@@ -652,7 +652,7 @@
break;
case OPN_ACPT:
/* retry timer is left untouched */
- sta->plink_state = PLINK_OPN_RCVD;
+ sta->plink_state = NL80211_PLINK_OPN_RCVD;
sta->plid = plid;
llid = sta->llid;
spin_unlock_bh(&sta->lock);
@@ -660,7 +660,7 @@
plid, 0);
break;
case CNF_ACPT:
- sta->plink_state = PLINK_CNF_RCVD;
+ sta->plink_state = NL80211_PLINK_CNF_RCVD;
if (!mod_plink_timer(sta,
dot11MeshConfirmTimeout(sdata)))
sta->ignore_plink_timer = true;
@@ -673,7 +673,7 @@
}
break;
- case PLINK_OPN_RCVD:
+ case NL80211_PLINK_OPN_RCVD:
switch (event) {
case OPN_RJCT:
case CNF_RJCT:
@@ -682,7 +682,7 @@
if (!reason)
reason = cpu_to_le16(MESH_CLOSE_RCVD);
sta->reason = reason;
- sta->plink_state = PLINK_HOLDING;
+ sta->plink_state = NL80211_PLINK_HOLDING;
if (!mod_plink_timer(sta,
dot11MeshHoldingTimeout(sdata)))
sta->ignore_plink_timer = true;
@@ -700,7 +700,7 @@
break;
case CNF_ACPT:
del_timer(&sta->plink_timer);
- sta->plink_state = PLINK_ESTAB;
+ sta->plink_state = NL80211_PLINK_ESTAB;
spin_unlock_bh(&sta->lock);
mesh_plink_inc_estab_count(sdata);
ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON);
@@ -713,7 +713,7 @@
}
break;
- case PLINK_CNF_RCVD:
+ case NL80211_PLINK_CNF_RCVD:
switch (event) {
case OPN_RJCT:
case CNF_RJCT:
@@ -722,7 +722,7 @@
if (!reason)
reason = cpu_to_le16(MESH_CLOSE_RCVD);
sta->reason = reason;
- sta->plink_state = PLINK_HOLDING;
+ sta->plink_state = NL80211_PLINK_HOLDING;
if (!mod_plink_timer(sta,
dot11MeshHoldingTimeout(sdata)))
sta->ignore_plink_timer = true;
@@ -734,7 +734,7 @@
break;
case OPN_ACPT:
del_timer(&sta->plink_timer);
- sta->plink_state = PLINK_ESTAB;
+ sta->plink_state = NL80211_PLINK_ESTAB;
spin_unlock_bh(&sta->lock);
mesh_plink_inc_estab_count(sdata);
ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON);
@@ -749,13 +749,13 @@
}
break;
- case PLINK_ESTAB:
+ case NL80211_PLINK_ESTAB:
switch (event) {
case CLS_ACPT:
reason = cpu_to_le16(MESH_CLOSE_RCVD);
sta->reason = reason;
deactivated = __mesh_plink_deactivate(sta);
- sta->plink_state = PLINK_HOLDING;
+ sta->plink_state = NL80211_PLINK_HOLDING;
llid = sta->llid;
mod_plink_timer(sta, dot11MeshHoldingTimeout(sdata));
spin_unlock_bh(&sta->lock);
@@ -775,7 +775,7 @@
break;
}
break;
- case PLINK_HOLDING:
+ case NL80211_PLINK_HOLDING:
switch (event) {
case CLS_ACPT:
if (del_timer(&sta->plink_timer))
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 1b9413f..3a9515c 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -490,7 +490,7 @@
* establisment frame, beacon or probe, drop the frame.
*/
- if (!rx->sta || sta_plink_state(rx->sta) != PLINK_ESTAB) {
+ if (!rx->sta || sta_plink_state(rx->sta) != NL80211_PLINK_ESTAB) {
struct ieee80211_mgmt *mgmt;
if (!ieee80211_is_mgmt(hdr->frame_control))
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index 82ab6b4..4a15f96 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -277,7 +277,7 @@
#endif /* CONFIG_MAC80211_VERBOSE_DEBUG */
#ifdef CONFIG_MAC80211_MESH
- sta->plink_state = PLINK_LISTEN;
+ sta->plink_state = NL80211_PLINK_LISTEN;
init_timer(&sta->plink_timer);
#endif
diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h
index d6b5660..c6ae871 100644
--- a/net/mac80211/sta_info.h
+++ b/net/mac80211/sta_info.h
@@ -318,7 +318,7 @@
u8 plink_retries;
bool ignore_plink_timer;
bool plink_timer_was_running;
- enum plink_state plink_state;
+ enum nl80211_plink_state plink_state;
u32 plink_timeout;
struct timer_list plink_timer;
#endif
@@ -336,12 +336,12 @@
struct ieee80211_sta sta;
};
-static inline enum plink_state sta_plink_state(struct sta_info *sta)
+static inline enum nl80211_plink_state sta_plink_state(struct sta_info *sta)
{
#ifdef CONFIG_MAC80211_MESH
return sta->plink_state;
#endif
- return PLINK_LISTEN;
+ return NL80211_PLINK_LISTEN;
}
static inline void set_sta_flags(struct sta_info *sta, const u32 flags)
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index beac296..2222ce08 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -2335,7 +2335,7 @@
memset(¶ms, 0, sizeof(params));
params.listen_interval = -1;
- params.plink_state = PLINK_INVALID;
+ params.plink_state = -1;
if (info->attrs[NL80211_ATTR_STA_AID])
return -EINVAL;