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mac80211: move mesh related station fields to own struct

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There are now a fairly large number of mesh fields that really
aren't needed in any other modes; move those into their own
structure and allocate them separately.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg 2015-06-17 10:31:00 +02:00
parent e414eea77d
commit 433f5bc1c0
8 changed files with 196 additions and 176 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
net/mac80211/cfg.c
View File

@ -1150,10 +1150,10 @@ static int sta_apply_parameters(struct ieee80211_local *local,
if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) {
switch (params->plink_state) {
case NL80211_PLINK_ESTAB:
if (sta->plink_state != NL80211_PLINK_ESTAB)
if (sta->mesh->plink_state != NL80211_PLINK_ESTAB)
changed = mesh_plink_inc_estab_count(
sdata);
sta->plink_state = params->plink_state;
sta->mesh->plink_state = params->plink_state;
ieee80211_mps_sta_status_update(sta);
changed |= ieee80211_mps_set_sta_local_pm(sta,
@ -1165,10 +1165,10 @@ static int sta_apply_parameters(struct ieee80211_local *local,
case NL80211_PLINK_OPN_RCVD:
case NL80211_PLINK_CNF_RCVD:
case NL80211_PLINK_HOLDING:
if (sta->plink_state == NL80211_PLINK_ESTAB)
if (sta->mesh->plink_state == NL80211_PLINK_ESTAB)
changed = mesh_plink_dec_estab_count(
sdata);
sta->plink_state = params->plink_state;
sta->mesh->plink_state = params->plink_state;
ieee80211_mps_sta_status_update(sta);
changed |= ieee80211_mps_set_sta_local_pm(sta,

2
net/mac80211/mesh.c
View File

@ -158,7 +158,7 @@ void mesh_sta_cleanup(struct sta_info *sta)
changed = mesh_accept_plinks_update(sdata);
if (!sdata->u.mesh.user_mpm) {
changed |= mesh_plink_deactivate(sta);
del_timer_sync(&sta->plink_timer);
del_timer_sync(&sta->mesh->plink_timer);
}
if (changed)

2
net/mac80211/mesh_hwmp.c
View File

@ -862,7 +862,7 @@ void mesh_rx_path_sel_frame(struct ieee80211_sub_if_data *sdata,
rcu_read_lock();
sta = sta_info_get(sdata, mgmt->sa);
if (!sta || sta->plink_state != NL80211_PLINK_ESTAB) {
if (!sta || sta->mesh->plink_state != NL80211_PLINK_ESTAB) {
rcu_read_unlock();
return;
}

177
net/mac80211/mesh_plink.c
View File

@ -16,7 +16,7 @@
#define PLINK_GET_LLID(p) (p + 2)
#define PLINK_GET_PLID(p) (p + 4)
#define mod_plink_timer(s, t) (mod_timer(&s->plink_timer, \
#define mod_plink_timer(s, t) (mod_timer(&s->mesh->plink_timer, \
jiffies + msecs_to_jiffies(t)))
enum plink_event {
@ -72,14 +72,14 @@ static bool rssi_threshold_check(struct ieee80211_sub_if_data *sdata,
*
* @sta: mesh peer link to restart
*
* Locking: this function must be called holding sta->plink_lock
* Locking: this function must be called holding sta->mesh->plink_lock
*/
static inline void mesh_plink_fsm_restart(struct sta_info *sta)
{
lockdep_assert_held(&sta->plink_lock);
sta->plink_state = NL80211_PLINK_LISTEN;
sta->llid = sta->plid = sta->reason = 0;
sta->plink_retries = 0;
lockdep_assert_held(&sta->mesh->plink_lock);
sta->mesh->plink_state = NL80211_PLINK_LISTEN;
sta->mesh->llid = sta->mesh->plid = sta->mesh->reason = 0;
sta->mesh->plink_retries = 0;
}
/*
@ -119,7 +119,7 @@ static u32 mesh_set_short_slot_time(struct ieee80211_sub_if_data *sdata)
rcu_read_lock();
list_for_each_entry_rcu(sta, &local->sta_list, list) {
if (sdata != sta->sdata ||
sta->plink_state != NL80211_PLINK_ESTAB)
sta->mesh->plink_state != NL80211_PLINK_ESTAB)
continue;
short_slot = false;
@ -169,7 +169,7 @@ static u32 mesh_set_ht_prot_mode(struct ieee80211_sub_if_data *sdata)
rcu_read_lock();
list_for_each_entry_rcu(sta, &local->sta_list, list) {
if (sdata != sta->sdata ||
sta->plink_state != NL80211_PLINK_ESTAB)
sta->mesh->plink_state != NL80211_PLINK_ESTAB)
continue;
if (sta->sta.bandwidth > IEEE80211_STA_RX_BW_20)
@ -212,18 +212,18 @@ static u32 mesh_set_ht_prot_mode(struct ieee80211_sub_if_data *sdata)
* All mesh paths with this peer as next hop will be flushed
* Returns beacon changed flag if the beacon content changed.
*
* Locking: the caller must hold sta->plink_lock
* Locking: the caller must hold sta->mesh->plink_lock
*/
static u32 __mesh_plink_deactivate(struct sta_info *sta)
{
struct ieee80211_sub_if_data *sdata = sta->sdata;
u32 changed = 0;
lockdep_assert_held(&sta->plink_lock);
lockdep_assert_held(&sta->mesh->plink_lock);
if (sta->plink_state == NL80211_PLINK_ESTAB)
if (sta->mesh->plink_state == NL80211_PLINK_ESTAB)
changed = mesh_plink_dec_estab_count(sdata);
sta->plink_state = NL80211_PLINK_BLOCKED;
sta->mesh->plink_state = NL80211_PLINK_BLOCKED;
mesh_path_flush_by_nexthop(sta);
ieee80211_mps_sta_status_update(sta);
@ -245,13 +245,13 @@ u32 mesh_plink_deactivate(struct sta_info *sta)
struct ieee80211_sub_if_data *sdata = sta->sdata;
u32 changed;
spin_lock_bh(&sta->plink_lock);
spin_lock_bh(&sta->mesh->plink_lock);
changed = __mesh_plink_deactivate(sta);
sta->reason = WLAN_REASON_MESH_PEER_CANCELED;
sta->mesh->reason = WLAN_REASON_MESH_PEER_CANCELED;
mesh_plink_frame_tx(sdata, WLAN_SP_MESH_PEERING_CLOSE,
sta->sta.addr, sta->llid, sta->plid,
sta->reason);
spin_unlock_bh(&sta->plink_lock);
sta->sta.addr, sta->mesh->llid, sta->mesh->plid,
sta->mesh->reason);
spin_unlock_bh(&sta->mesh->plink_lock);
return changed;
}
@ -388,13 +388,14 @@ static void mesh_sta_info_init(struct ieee80211_sub_if_data *sdata,
sband = local->hw.wiphy->bands[band];
rates = ieee80211_sta_get_rates(sdata, elems, band, &basic_rates);
spin_lock_bh(&sta->plink_lock);
spin_lock_bh(&sta->mesh->plink_lock);
sta->last_rx = jiffies;
/* rates and capabilities don't change during peering */
if (sta->plink_state == NL80211_PLINK_ESTAB && sta->processed_beacon)
if (sta->mesh->plink_state == NL80211_PLINK_ESTAB &&
sta->mesh->processed_beacon)
goto out;
sta->processed_beacon = true;
sta->mesh->processed_beacon = true;
if (sta->sta.supp_rates[band] != rates)
changed |= IEEE80211_RC_SUPP_RATES_CHANGED;
@ -421,7 +422,7 @@ static void mesh_sta_info_init(struct ieee80211_sub_if_data *sdata,
else
rate_control_rate_update(local, sband, sta, changed);
out:
spin_unlock_bh(&sta->plink_lock);
spin_unlock_bh(&sta->mesh->plink_lock);
}
static struct sta_info *
@ -436,7 +437,7 @@ __mesh_sta_info_alloc(struct ieee80211_sub_if_data *sdata, u8 *hw_addr)
if (!sta)
return NULL;
sta->plink_state = NL80211_PLINK_LISTEN;
sta->mesh->plink_state = NL80211_PLINK_LISTEN;
sta->sta.wme = true;
sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
@ -524,7 +525,7 @@ void mesh_neighbour_update(struct ieee80211_sub_if_data *sdata,
goto out;
if (mesh_peer_accepts_plinks(elems) &&
sta->plink_state == NL80211_PLINK_LISTEN &&
sta->mesh->plink_state == NL80211_PLINK_LISTEN &&
sdata->u.mesh.accepting_plinks &&
sdata->u.mesh.mshcfg.auto_open_plinks &&
rssi_threshold_check(sdata, sta))
@ -554,52 +555,52 @@ static void mesh_plink_timer(unsigned long data)
if (sta->sdata->local->quiescing)
return;
spin_lock_bh(&sta->plink_lock);
spin_lock_bh(&sta->mesh->plink_lock);
/* If a timer fires just before a state transition on another CPU,
* we may have already extended the timeout and changed state by the
* time we've acquired the lock and arrived here. In that case,
* skip this timer and wait for the new one.
*/
if (time_before(jiffies, sta->plink_timer.expires)) {
if (time_before(jiffies, sta->mesh->plink_timer.expires)) {
mpl_dbg(sta->sdata,
"Ignoring timer for %pM in state %s (timer adjusted)",
sta->sta.addr, mplstates[sta->plink_state]);
spin_unlock_bh(&sta->plink_lock);
sta->sta.addr, mplstates[sta->mesh->plink_state]);
spin_unlock_bh(&sta->mesh->plink_lock);
return;
}
/* del_timer() and handler may race when entering these states */
if (sta->plink_state == NL80211_PLINK_LISTEN ||
sta->plink_state == NL80211_PLINK_ESTAB) {
if (sta->mesh->plink_state == NL80211_PLINK_LISTEN ||
sta->mesh->plink_state == NL80211_PLINK_ESTAB) {
mpl_dbg(sta->sdata,
"Ignoring timer for %pM in state %s (timer deleted)",
sta->sta.addr, mplstates[sta->plink_state]);
spin_unlock_bh(&sta->plink_lock);
sta->sta.addr, mplstates[sta->mesh->plink_state]);
spin_unlock_bh(&sta->mesh->plink_lock);
return;
}
mpl_dbg(sta->sdata,
"Mesh plink timer for %pM fired on state %s\n",
sta->sta.addr, mplstates[sta->plink_state]);
sta->sta.addr, mplstates[sta->mesh->plink_state]);
sdata = sta->sdata;
mshcfg = &sdata->u.mesh.mshcfg;
switch (sta->plink_state) {
switch (sta->mesh->plink_state) {
case NL80211_PLINK_OPN_RCVD:
case NL80211_PLINK_OPN_SNT:
/* retry timer */
if (sta->plink_retries < mshcfg->dot11MeshMaxRetries) {
if (sta->mesh->plink_retries < mshcfg->dot11MeshMaxRetries) {
u32 rand;
mpl_dbg(sta->sdata,
"Mesh plink for %pM (retry, timeout): %d %d\n",
sta->sta.addr, sta->plink_retries,
sta->plink_timeout);
sta->sta.addr, sta->mesh->plink_retries,
sta->mesh->plink_timeout);
get_random_bytes(&rand, sizeof(u32));
sta->plink_timeout = sta->plink_timeout +
rand % sta->plink_timeout;
++sta->plink_retries;
mod_plink_timer(sta, sta->plink_timeout);
sta->mesh->plink_timeout = sta->mesh->plink_timeout +
rand % sta->mesh->plink_timeout;
++sta->mesh->plink_retries;
mod_plink_timer(sta, sta->mesh->plink_timeout);
action = WLAN_SP_MESH_PEERING_OPEN;
break;
}
@ -609,31 +610,31 @@ static void mesh_plink_timer(unsigned long data)
/* confirm timer */
if (!reason)
reason = WLAN_REASON_MESH_CONFIRM_TIMEOUT;
sta->plink_state = NL80211_PLINK_HOLDING;
sta->mesh->plink_state = NL80211_PLINK_HOLDING;
mod_plink_timer(sta, mshcfg->dot11MeshHoldingTimeout);
action = WLAN_SP_MESH_PEERING_CLOSE;
break;
case NL80211_PLINK_HOLDING:
/* holding timer */
del_timer(&sta->plink_timer);
del_timer(&sta->mesh->plink_timer);
mesh_plink_fsm_restart(sta);
break;
default:
break;
}
spin_unlock_bh(&sta->plink_lock);
spin_unlock_bh(&sta->mesh->plink_lock);
if (action)
mesh_plink_frame_tx(sdata, action, sta->sta.addr,
sta->llid, sta->plid, reason);
sta->mesh->llid, sta->mesh->plid, reason);
}
static inline void mesh_plink_timer_set(struct sta_info *sta, u32 timeout)
{
sta->plink_timer.expires = jiffies + msecs_to_jiffies(timeout);
sta->plink_timer.data = (unsigned long) sta;
sta->plink_timer.function = mesh_plink_timer;
sta->plink_timeout = timeout;
add_timer(&sta->plink_timer);
sta->mesh->plink_timer.expires = jiffies + msecs_to_jiffies(timeout);
sta->mesh->plink_timer.data = (unsigned long) sta;
sta->mesh->plink_timer.function = mesh_plink_timer;
sta->mesh->plink_timeout = timeout;
add_timer(&sta->mesh->plink_timer);
}
static bool llid_in_use(struct ieee80211_sub_if_data *sdata,
@ -645,7 +646,7 @@ static bool llid_in_use(struct ieee80211_sub_if_data *sdata,
rcu_read_lock();
list_for_each_entry_rcu(sta, &local->sta_list, list) {
if (!memcmp(&sta->llid, &llid, sizeof(llid))) {
if (!memcmp(&sta->mesh->llid, &llid, sizeof(llid))) {
in_use = true;
break;
}
@ -676,16 +677,16 @@ u32 mesh_plink_open(struct sta_info *sta)
if (!test_sta_flag(sta, WLAN_STA_AUTH))
return 0;
spin_lock_bh(&sta->plink_lock);
sta->llid = mesh_get_new_llid(sdata);
if (sta->plink_state != NL80211_PLINK_LISTEN &&
sta->plink_state != NL80211_PLINK_BLOCKED) {
spin_unlock_bh(&sta->plink_lock);
spin_lock_bh(&sta->mesh->plink_lock);
sta->mesh->llid = mesh_get_new_llid(sdata);
if (sta->mesh->plink_state != NL80211_PLINK_LISTEN &&
sta->mesh->plink_state != NL80211_PLINK_BLOCKED) {
spin_unlock_bh(&sta->mesh->plink_lock);
return 0;
}
sta->plink_state = NL80211_PLINK_OPN_SNT;
sta->mesh->plink_state = NL80211_PLINK_OPN_SNT;
mesh_plink_timer_set(sta, sdata->u.mesh.mshcfg.dot11MeshRetryTimeout);
spin_unlock_bh(&sta->plink_lock);
spin_unlock_bh(&sta->mesh->plink_lock);
mpl_dbg(sdata,
"Mesh plink: starting establishment with %pM\n",
sta->sta.addr);
@ -694,7 +695,7 @@ u32 mesh_plink_open(struct sta_info *sta)
changed = ieee80211_mps_local_status_update(sdata);
mesh_plink_frame_tx(sdata, WLAN_SP_MESH_PEERING_OPEN,
sta->sta.addr, sta->llid, 0, 0);
sta->sta.addr, sta->mesh->llid, 0, 0);
return changed;
}
@ -702,10 +703,10 @@ u32 mesh_plink_block(struct sta_info *sta)
{
u32 changed;
spin_lock_bh(&sta->plink_lock);
spin_lock_bh(&sta->mesh->plink_lock);
changed = __mesh_plink_deactivate(sta);
sta->plink_state = NL80211_PLINK_BLOCKED;
spin_unlock_bh(&sta->plink_lock);
sta->mesh->plink_state = NL80211_PLINK_BLOCKED;
spin_unlock_bh(&sta->mesh->plink_lock);
return changed;
}
@ -715,12 +716,11 @@ static void mesh_plink_close(struct ieee80211_sub_if_data *sdata,
enum plink_event event)
{
struct mesh_config *mshcfg = &sdata->u.mesh.mshcfg;
u16 reason = (event == CLS_ACPT) ?
WLAN_REASON_MESH_CLOSE : WLAN_REASON_MESH_CONFIG;
sta->reason = reason;
sta->plink_state = NL80211_PLINK_HOLDING;
sta->mesh->reason = reason;
sta->mesh->plink_state = NL80211_PLINK_HOLDING;
mod_plink_timer(sta, mshcfg->dot11MeshHoldingTimeout);
}
@ -730,8 +730,8 @@ static u32 mesh_plink_establish(struct ieee80211_sub_if_data *sdata,
struct mesh_config *mshcfg = &sdata->u.mesh.mshcfg;
u32 changed = 0;
del_timer(&sta->plink_timer);
sta->plink_state = NL80211_PLINK_ESTAB;
del_timer(&sta->mesh->plink_timer);
sta->mesh->plink_state = NL80211_PLINK_ESTAB;
changed |= mesh_plink_inc_estab_count(sdata);
changed |= mesh_set_ht_prot_mode(sdata);
changed |= mesh_set_short_slot_time(sdata);
@ -758,18 +758,18 @@ static u32 mesh_plink_fsm(struct ieee80211_sub_if_data *sdata,
u32 changed = 0;
mpl_dbg(sdata, "peer %pM in state %s got event %s\n", sta->sta.addr,
mplstates[sta->plink_state], mplevents[event]);
mplstates[sta->mesh->plink_state], mplevents[event]);
spin_lock_bh(&sta->plink_lock);
switch (sta->plink_state) {
spin_lock_bh(&sta->mesh->plink_lock);
switch (sta->mesh->plink_state) {
case NL80211_PLINK_LISTEN:
switch (event) {
case CLS_ACPT:
mesh_plink_fsm_restart(sta);
break;
case OPN_ACPT:
sta->plink_state = NL80211_PLINK_OPN_RCVD;
sta->llid = mesh_get_new_llid(sdata);
sta->mesh->plink_state = NL80211_PLINK_OPN_RCVD;
sta->mesh->llid = mesh_get_new_llid(sdata);
mesh_plink_timer_set(sta,
mshcfg->dot11MeshRetryTimeout);
@ -791,11 +791,11 @@ static u32 mesh_plink_fsm(struct ieee80211_sub_if_data *sdata,
break;
case OPN_ACPT:
/* retry timer is left untouched */
sta->plink_state = NL80211_PLINK_OPN_RCVD;
sta->mesh->plink_state = NL80211_PLINK_OPN_RCVD;
action = WLAN_SP_MESH_PEERING_CONFIRM;
break;
case CNF_ACPT:
sta->plink_state = NL80211_PLINK_CNF_RCVD;
sta->mesh->plink_state = NL80211_PLINK_CNF_RCVD;
mod_plink_timer(sta, mshcfg->dot11MeshConfirmTimeout);
break;
default:
@ -855,7 +855,7 @@ static u32 mesh_plink_fsm(struct ieee80211_sub_if_data *sdata,
case NL80211_PLINK_HOLDING:
switch (event) {
case CLS_ACPT:
del_timer(&sta->plink_timer);
del_timer(&sta->mesh->plink_timer);
mesh_plink_fsm_restart(sta);
break;
case OPN_ACPT:
@ -874,17 +874,18 @@ static u32 mesh_plink_fsm(struct ieee80211_sub_if_data *sdata,
*/
break;
}
spin_unlock_bh(&sta->plink_lock);
spin_unlock_bh(&sta->mesh->plink_lock);
if (action) {
mesh_plink_frame_tx(sdata, action, sta->sta.addr,
sta->llid, sta->plid, sta->reason);
sta->mesh->llid, sta->mesh->plid,
sta->mesh->reason);
/* also send confirm in open case */
if (action == WLAN_SP_MESH_PEERING_OPEN) {
mesh_plink_frame_tx(sdata,
WLAN_SP_MESH_PEERING_CONFIRM,
sta->sta.addr, sta->llid,
sta->plid, 0);
sta->sta.addr, sta->mesh->llid,
sta->mesh->plid, 0);
}
}
@ -939,7 +940,7 @@ mesh_plink_get_event(struct ieee80211_sub_if_data *sdata,
mpl_dbg(sdata, "Mesh plink: Action frame from non-authed peer\n");
goto out;
}
if (sta->plink_state == NL80211_PLINK_BLOCKED)
if (sta->mesh->plink_state == NL80211_PLINK_BLOCKED)
goto out;
}
@ -954,7 +955,7 @@ mesh_plink_get_event(struct ieee80211_sub_if_data *sdata,
if (!matches_local)
event = OPN_RJCT;
if (!mesh_plink_free_count(sdata) ||
(sta->plid && sta->plid != plid))
(sta->mesh->plid && sta->mesh->plid != plid))
event = OPN_IGNR;
else
event = OPN_ACPT;
@ -963,14 +964,14 @@ mesh_plink_get_event(struct ieee80211_sub_if_data *sdata,
if (!matches_local)
event = CNF_RJCT;
if (!mesh_plink_free_count(sdata) ||
sta->llid != llid ||
(sta->plid && sta->plid != plid))
sta->mesh->llid != llid ||
(sta->mesh->plid && sta->mesh->plid != plid))
event = CNF_IGNR;
else
event = CNF_ACPT;
break;
case WLAN_SP_MESH_PEERING_CLOSE:
if (sta->plink_state == NL80211_PLINK_ESTAB)
if (sta->mesh->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
@ -981,9 +982,9 @@ mesh_plink_get_event(struct ieee80211_sub_if_data *sdata,
* restarted.
*/
event = CLS_ACPT;
else if (sta->plid != plid)
else if (sta->mesh->plid != plid)
event = CLS_IGNR;
else if (ie_len == 8 && sta->llid != llid)
else if (ie_len == 8 && sta->mesh->llid != llid)
event = CLS_IGNR;
else
event = CLS_ACPT;
@ -1070,7 +1071,7 @@ mesh_process_plink_frame(struct ieee80211_sub_if_data *sdata,
mpl_dbg(sdata, "Mesh plink: failed to init peer!\n");
goto unlock_rcu;
}
sta->plid = plid;
sta->mesh->plid = plid;
} else if (!sta && event == OPN_RJCT) {
mesh_plink_frame_tx(sdata, WLAN_SP_MESH_PEERING_CLOSE,
mgmt->sa, 0, plid,
@ -1082,8 +1083,8 @@ mesh_process_plink_frame(struct ieee80211_sub_if_data *sdata,
}
/* 802.11-2012 13.3.7.2 - update plid on CNF if not set */
if (!sta->plid && event == CNF_ACPT)
sta->plid = plid;
if (!sta->mesh->plid && event == CNF_ACPT)
sta->mesh->plid = plid;
changed |= mesh_plink_fsm(sdata, sta, event);

42
net/mac80211/mesh_ps.c
View File

@ -92,16 +92,16 @@ u32 ieee80211_mps_local_status_update(struct ieee80211_sub_if_data *sdata)
if (sdata != sta->sdata)
continue;
switch (sta->plink_state) {
switch (sta->mesh->plink_state) {
case NL80211_PLINK_OPN_SNT:
case NL80211_PLINK_OPN_RCVD:
case NL80211_PLINK_CNF_RCVD:
peering = true;
break;
case NL80211_PLINK_ESTAB:
if (sta->local_pm == NL80211_MESH_POWER_LIGHT_SLEEP)
if (sta->mesh->local_pm == NL80211_MESH_POWER_LIGHT_SLEEP)
light_sleep_cnt++;
else if (sta->local_pm == NL80211_MESH_POWER_DEEP_SLEEP)
else if (sta->mesh->local_pm == NL80211_MESH_POWER_DEEP_SLEEP)
deep_sleep_cnt++;
break;
default:
@ -153,19 +153,19 @@ u32 ieee80211_mps_set_sta_local_pm(struct sta_info *sta,
{
struct ieee80211_sub_if_data *sdata = sta->sdata;
if (sta->local_pm == pm)
if (sta->mesh->local_pm == pm)
return 0;
mps_dbg(sdata, "local STA operates in mode %d with %pM\n",
pm, sta->sta.addr);
sta->local_pm = pm;
sta->mesh->local_pm = pm;
/*
* announce peer-specific power mode transition
* (see IEEE802.11-2012 13.14.3.2 and 13.14.3.3)
*/
if (sta->plink_state == NL80211_PLINK_ESTAB)
if (sta->mesh->plink_state == NL80211_PLINK_ESTAB)
mps_qos_null_tx(sta);
return ieee80211_mps_local_status_update(sdata);
@ -197,8 +197,8 @@ void ieee80211_mps_set_frame_flags(struct ieee80211_sub_if_data *sdata,
if (is_unicast_ether_addr(hdr->addr1) &&
ieee80211_is_data_qos(hdr->frame_control) &&
sta->plink_state == NL80211_PLINK_ESTAB)
pm = sta->local_pm;
sta->mesh->plink_state == NL80211_PLINK_ESTAB)
pm = sta->mesh->local_pm;
else
pm = sdata->u.mesh.nonpeer_pm;
@ -241,16 +241,16 @@ void ieee80211_mps_sta_status_update(struct sta_info *sta)
* use peer-specific power mode if peering is established and the
* peer's power mode is known
*/
if (sta->plink_state == NL80211_PLINK_ESTAB &&
sta->peer_pm != NL80211_MESH_POWER_UNKNOWN)
pm = sta->peer_pm;
if (sta->mesh->plink_state == NL80211_PLINK_ESTAB &&
sta->mesh->peer_pm != NL80211_MESH_POWER_UNKNOWN)
pm = sta->mesh->peer_pm;
else
pm = sta->nonpeer_pm;
pm = sta->mesh->nonpeer_pm;
do_buffer = (pm != NL80211_MESH_POWER_ACTIVE);
/* clear the MPSP flags for non-peers or active STA */
if (sta->plink_state != NL80211_PLINK_ESTAB) {
if (sta->mesh->plink_state != NL80211_PLINK_ESTAB) {
clear_sta_flag(sta, WLAN_STA_MPSP_OWNER);
clear_sta_flag(sta, WLAN_STA_MPSP_RECIPIENT);
} else if (!do_buffer) {
@ -296,13 +296,13 @@ static void mps_set_sta_peer_pm(struct sta_info *sta,
pm = NL80211_MESH_POWER_ACTIVE;
}
if (sta->peer_pm == pm)
if (sta->mesh->peer_pm == pm)
return;
mps_dbg(sta->sdata, "STA %pM enters mode %d\n",
sta->sta.addr, pm);
sta->peer_pm = pm;
sta->mesh->peer_pm = pm;
ieee80211_mps_sta_status_update(sta);
}
@ -317,13 +317,13 @@ static void mps_set_sta_nonpeer_pm(struct sta_info *sta,
else
pm = NL80211_MESH_POWER_ACTIVE;
if (sta->nonpeer_pm == pm)
if (sta->mesh->nonpeer_pm == pm)
return;
mps_dbg(sta->sdata, "STA %pM sets non-peer mode to %d\n",
sta->sta.addr, pm);
sta->nonpeer_pm = pm;
sta->mesh->nonpeer_pm = pm;
ieee80211_mps_sta_status_update(sta);
}
@ -552,7 +552,7 @@ void ieee80211_mpsp_trigger_process(u8 *qc, struct sta_info *sta,
} else {
if (eosp)
clear_sta_flag(sta, WLAN_STA_MPSP_RECIPIENT);
else if (sta->local_pm != NL80211_MESH_POWER_ACTIVE)
else if (sta->mesh->local_pm != NL80211_MESH_POWER_ACTIVE)
set_sta_flag(sta, WLAN_STA_MPSP_RECIPIENT);
if (rspi && !test_and_set_sta_flag(sta, WLAN_STA_MPSP_OWNER))
@ -577,9 +577,9 @@ void ieee80211_mps_frame_release(struct sta_info *sta,
int ac, buffer_local = 0;
bool has_buffered = false;
if (sta->plink_state == NL80211_PLINK_ESTAB)
if (sta->mesh->plink_state == NL80211_PLINK_ESTAB)
has_buffered = ieee80211_check_tim(elems->tim, elems->tim_len,
sta->llid);
sta->mesh->llid);
if (has_buffered)
mps_dbg(sta->sdata, "%pM indicates buffered frames\n",
@ -598,7 +598,7 @@ void ieee80211_mps_frame_release(struct sta_info *sta,
if (!has_buffered && !buffer_local)
return;
if (sta->plink_state == NL80211_PLINK_ESTAB)
if (sta->mesh->plink_state == NL80211_PLINK_ESTAB)
mpsp_trigger_send(sta, has_buffered, !buffer_local);
else
mps_frame_deliver(sta, 1);

16
net/mac80211/mesh_sync.c
View File

@ -127,14 +127,14 @@ static void mesh_sync_offset_rx_bcn_presp(struct ieee80211_sub_if_data *sdata,
/* Timing offset calculation (see 13.13.2.2.2) */
t_t = le64_to_cpu(mgmt->u.beacon.timestamp);
sta->t_offset = t_t - t_r;
sta->mesh->t_offset = t_t - t_r;
if (test_sta_flag(sta, WLAN_STA_TOFFSET_KNOWN)) {
s64 t_clockdrift = sta->t_offset_setpoint - sta->t_offset;
s64 t_clockdrift = sta->mesh->t_offset_setpoint - sta->mesh->t_offset;
msync_dbg(sdata,
"STA %pM : sta->t_offset=%lld, sta->t_offset_setpoint=%lld, t_clockdrift=%lld\n",
sta->sta.addr, (long long) sta->t_offset,
(long long) sta->t_offset_setpoint,
"STA %pM : t_offset=%lld, t_offset_setpoint=%lld, t_clockdrift=%lld\n",
sta->sta.addr, (long long) sta->mesh->t_offset,
(long long) sta->mesh->t_offset_setpoint,
(long long) t_clockdrift);
if (t_clockdrift > TOFFSET_MAXIMUM_ADJUSTMENT ||
@ -152,12 +152,12 @@ static void mesh_sync_offset_rx_bcn_presp(struct ieee80211_sub_if_data *sdata,
ifmsh->sync_offset_clockdrift_max = t_clockdrift;
spin_unlock_bh(&ifmsh->sync_offset_lock);
} else {
sta->t_offset_setpoint = sta->t_offset - TOFFSET_SET_MARGIN;
sta->mesh->t_offset_setpoint = sta->mesh->t_offset - TOFFSET_SET_MARGIN;
set_sta_flag(sta, WLAN_STA_TOFFSET_KNOWN);
msync_dbg(sdata,
"STA %pM : offset was invalid, sta->t_offset=%lld\n",
"STA %pM : offset was invalid, t_offset=%lld\n",
sta->sta.addr,
(long long) sta->t_offset);
(long long) sta->mesh->t_offset);
}
no_sync:

37
net/mac80211/sta_info.c
View File

@ -249,6 +249,9 @@ void sta_info_free(struct ieee80211_local *local, struct sta_info *sta)
if (sta->sta.txq[0])
kfree(to_txq_info(sta->sta.txq[0]));
kfree(rcu_dereference_raw(sta->sta.rates));
#ifdef CONFIG_MAC80211_MESH
kfree(sta->mesh);
#endif
kfree(sta);
}
@ -313,11 +316,16 @@ struct sta_info *sta_info_alloc(struct ieee80211_sub_if_data *sdata,
INIT_WORK(&sta->ampdu_mlme.work, ieee80211_ba_session_work);
mutex_init(&sta->ampdu_mlme.mtx);
#ifdef CONFIG_MAC80211_MESH
spin_lock_init(&sta->plink_lock);
if (ieee80211_vif_is_mesh(&sdata->vif) &&
!sdata->u.mesh.user_mpm)
init_timer(&sta->plink_timer);
sta->nonpeer_pm = NL80211_MESH_POWER_ACTIVE;
if (ieee80211_vif_is_mesh(&sdata->vif)) {
sta->mesh = kzalloc(sizeof(*sta->mesh), gfp);
if (!sta->mesh)
goto free;
spin_lock_init(&sta->mesh->plink_lock);
if (ieee80211_vif_is_mesh(&sdata->vif) &&
!sdata->u.mesh.user_mpm)
init_timer(&sta->mesh->plink_timer);
sta->mesh->nonpeer_pm = NL80211_MESH_POWER_ACTIVE;
}
#endif
memcpy(sta->addr, addr, ETH_ALEN);
@ -406,6 +414,9 @@ free_txq:
if (sta->sta.txq[0])
kfree(to_txq_info(sta->sta.txq[0]));
free:
#ifdef CONFIG_MAC80211_MESH
kfree(sta->mesh);
#endif
kfree(sta);
return NULL;
}
@ -637,7 +648,7 @@ static void __sta_info_recalc_tim(struct sta_info *sta, bool ignore_pending)
} else if (ieee80211_vif_is_mesh(&sta->sdata->vif)) {
ps = &sta->sdata->u.mesh.ps;
/* TIM map only for 1 <= PLID <= IEEE80211_MAX_AID */
id = sta->plid % (IEEE80211_MAX_AID + 1);
id = sta->mesh->plid % (IEEE80211_MAX_AID + 1);
#endif
} else {
return;
@ -1957,16 +1968,16 @@ void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
BIT(NL80211_STA_INFO_PEER_PM) |
BIT(NL80211_STA_INFO_NONPEER_PM);
sinfo->llid = sta->llid;
sinfo->plid = sta->plid;
sinfo->plink_state = sta->plink_state;
sinfo->llid = sta->mesh->llid;
sinfo->plid = sta->mesh->plid;
sinfo->plink_state = sta->mesh->plink_state;
if (test_sta_flag(sta, WLAN_STA_TOFFSET_KNOWN)) {
sinfo->filled |= BIT(NL80211_STA_INFO_T_OFFSET);
sinfo->t_offset = sta->t_offset;
sinfo->t_offset = sta->mesh->t_offset;
}
sinfo->local_pm = sta->local_pm;
sinfo->peer_pm = sta->peer_pm;
sinfo->nonpeer_pm = sta->nonpeer_pm;
sinfo->local_pm = sta->mesh->local_pm;
sinfo->peer_pm = sta->mesh->peer_pm;
sinfo->nonpeer_pm = sta->mesh->nonpeer_pm;
#endif
}

88
net/mac80211/sta_info.h
View File

@ -269,6 +269,48 @@ struct ieee80211_fast_tx {
struct rcu_head rcu_head;
};
/**
* struct mesh_sta - mesh STA information
* @plink_lock: serialize access to plink fields
* @llid: Local link ID
* @plid: Peer link ID
* @reason: Cancel reason on PLINK_HOLDING state
* @plink_retries: Retries in establishment
* @plink_state: peer link state
* @plink_timeout: timeout of peer link
* @plink_timer: peer link watch timer
* @t_offset: timing offset relative to this host
* @t_offset_setpoint: reference timing offset of this sta to be used when
* calculating clockdrift
* @local_pm: local link-specific power save mode
* @peer_pm: peer-specific power save mode towards local STA
* @nonpeer_pm: STA power save mode towards non-peer neighbors
* @processed_beacon: set to true after peer rates and capabilities are
* processed
*/
struct mesh_sta {
struct timer_list plink_timer;
s64 t_offset;
s64 t_offset_setpoint;
spinlock_t plink_lock;
u16 llid;
u16 plid;
u16 reason;
u8 plink_retries;
bool processed_beacon;
enum nl80211_plink_state plink_state;
u32 plink_timeout;
/* mesh power save */
enum nl80211_mesh_power_mode local_pm;
enum nl80211_mesh_power_mode peer_pm;
enum nl80211_mesh_power_mode nonpeer_pm;
};
/**
* struct sta_info - STA information
*
@ -330,20 +372,7 @@ struct ieee80211_fast_tx {
* @tid_seq: per-TID sequence numbers for sending to this STA
* @ampdu_mlme: A-MPDU state machine state
* @timer_to_tid: identity mapping to ID timers
* @plink_lock: serialize access to plink fields
* @llid: Local link ID
* @plid: Peer link ID
* @reason: Cancel reason on PLINK_HOLDING state
* @plink_retries: Retries in establishment
* @plink_state: peer link state
* @plink_timeout: timeout of peer link
* @plink_timer: peer link watch timer
* @t_offset: timing offset relative to this host
* @t_offset_setpoint: reference timing offset of this sta to be used when
* calculating clockdrift
* @local_pm: local link-specific power save mode
* @peer_pm: peer-specific power save mode towards local STA
* @nonpeer_pm: STA power save mode towards non-peer neighbors
* @mesh: mesh STA information
* @debugfs: debug filesystem info
* @dead: set to true when sta is unlinked
* @uploaded: set to true when sta is uploaded to the driver
@ -371,8 +400,6 @@ struct ieee80211_fast_tx {
* @rx_msdu: MSDUs received from this station, using IEEE80211_NUM_TID
* entry for non-QoS frames
* @fast_tx: TX fastpath information
* @processed_beacon: set to true after peer rates and capabilities are
* processed
*/
struct sta_info {
/* General information, mostly static */
@ -392,6 +419,10 @@ struct sta_info {
struct ieee80211_fast_tx __rcu *fast_tx;
#ifdef CONFIG_MAC80211_MESH
struct mesh_sta *mesh;
#endif
struct work_struct drv_deliver_wk;
u16 listen_interval;
@ -457,29 +488,6 @@ struct sta_info {
struct sta_ampdu_mlme ampdu_mlme;
u8 timer_to_tid[IEEE80211_NUM_TIDS];
#ifdef CONFIG_MAC80211_MESH
/*
* Mesh peer link attributes, protected by plink_lock.
* TODO: move to a sub-structure that is referenced with pointer?
*/
spinlock_t plink_lock;
u16 llid;
u16 plid;
u16 reason;
u8 plink_retries;
enum nl80211_plink_state plink_state;
u32 plink_timeout;
struct timer_list plink_timer;
s64 t_offset;
s64 t_offset_setpoint;
/* mesh power save */
enum nl80211_mesh_power_mode local_pm;
enum nl80211_mesh_power_mode peer_pm;
enum nl80211_mesh_power_mode nonpeer_pm;
bool processed_beacon;
#endif
#ifdef CONFIG_MAC80211_DEBUGFS
struct sta_info_debugfsdentries {
struct dentry *dir;
@ -507,7 +515,7 @@ struct sta_info {
static inline enum nl80211_plink_state sta_plink_state(struct sta_info *sta)
{
#ifdef CONFIG_MAC80211_MESH
return sta->plink_state;
return sta->mesh->plink_state;
#endif
return NL80211_PLINK_LISTEN;
}