diff options
Diffstat (limited to 'sys/net80211')
-rw-r--r-- | sys/net80211/ieee80211_freebsd.h | 10 | ||||
-rw-r--r-- | sys/net80211/ieee80211_scan_sta.c | 46 |
2 files changed, 33 insertions, 23 deletions
diff --git a/sys/net80211/ieee80211_freebsd.h b/sys/net80211/ieee80211_freebsd.h index 861ac51..abfc2c0 100644 --- a/sys/net80211/ieee80211_freebsd.h +++ b/sys/net80211/ieee80211_freebsd.h @@ -148,6 +148,16 @@ typedef struct mtx acl_lock_t; mtx_assert((&(_as)->as_lock), MA_OWNED) /* + * Scan table definitions. + */ +typedef struct mtx ieee80211_scan_table_lock_t; +#define IEEE80211_SCAN_TABLE_LOCK_INIT(_st, _name) \ + mtx_init(&(_st)->st_lock, _name, "802.11 scan table", MTX_DEF) +#define IEEE80211_SCAN_TABLE_LOCK_DESTROY(_st) mtx_destroy(&(_st)->st_lock) +#define IEEE80211_SCAN_TABLE_LOCK(_st) mtx_lock(&(_st)->st_lock) +#define IEEE80211_SCAN_TABLE_UNLOCK(_st) mtx_unlock(&(_st)->st_lock) + +/* * Node reference counting definitions. * * ieee80211_node_initref initialize the reference count to 1 diff --git a/sys/net80211/ieee80211_scan_sta.c b/sys/net80211/ieee80211_scan_sta.c index e697ad4..a4808e2 100644 --- a/sys/net80211/ieee80211_scan_sta.c +++ b/sys/net80211/ieee80211_scan_sta.c @@ -97,7 +97,7 @@ struct sta_entry { CTASSERT(MAX_IEEE_CHAN >= 256); struct sta_table { - struct mtx st_lock; /* on scan table */ + ieee80211_scan_table_lock_t st_lock; /* on scan table */ TAILQ_HEAD(, sta_entry) st_entry; /* all entries */ LIST_HEAD(, sta_entry) st_hash[STA_HASHSIZE]; struct mtx st_scanlock; /* on st_scaniter */ @@ -161,7 +161,7 @@ sta_attach(struct ieee80211_scan_state *ss) M_80211_SCAN, M_NOWAIT | M_ZERO); if (st == NULL) return 0; - mtx_init(&st->st_lock, "scantable", "802.11 scan table", MTX_DEF); + IEEE80211_SCAN_TABLE_LOCK_INIT(st, "scantable"); mtx_init(&st->st_scanlock, "scangen", "802.11 scangen", MTX_DEF); TAILQ_INIT(&st->st_entry); ss->ss_priv = st; @@ -179,7 +179,7 @@ sta_detach(struct ieee80211_scan_state *ss) if (st != NULL) { sta_flush_table(st); - mtx_destroy(&st->st_lock); + IEEE80211_SCAN_TABLE_LOCK_DESTROY(st); mtx_destroy(&st->st_scanlock); free(st, M_80211_SCAN); KASSERT(nrefs > 0, ("imbalanced attach/detach")); @@ -196,9 +196,9 @@ sta_flush(struct ieee80211_scan_state *ss) { struct sta_table *st = ss->ss_priv; - mtx_lock(&st->st_lock); + IEEE80211_SCAN_TABLE_LOCK(st); sta_flush_table(st); - mtx_unlock(&st->st_lock); + IEEE80211_SCAN_TABLE_UNLOCK(st); ss->ss_last = 0; return 0; } @@ -244,14 +244,14 @@ sta_add(struct ieee80211_scan_state *ss, hash = STA_HASH(macaddr); - mtx_lock(&st->st_lock); + IEEE80211_SCAN_TABLE_LOCK(st); LIST_FOREACH(se, &st->st_hash[hash], se_hash) if (IEEE80211_ADDR_EQ(se->base.se_macaddr, macaddr)) goto found; se = (struct sta_entry *) malloc(sizeof(struct sta_entry), M_80211_SCAN, M_NOWAIT | M_ZERO); if (se == NULL) { - mtx_unlock(&st->st_lock); + IEEE80211_SCAN_TABLE_UNLOCK(st); return 0; } se->se_scangen = st->st_scaniter-1; @@ -370,7 +370,7 @@ found: if (rssi > st->st_maxrssi[sp->bchan]) st->st_maxrssi[sp->bchan] = rssi; - mtx_unlock(&st->st_lock); + IEEE80211_SCAN_TABLE_UNLOCK(st); /* * If looking for a quick choice and nothing's @@ -1132,7 +1132,7 @@ sta_update_notseen(struct sta_table *st) { struct sta_entry *se; - mtx_lock(&st->st_lock); + IEEE80211_SCAN_TABLE_LOCK(st); TAILQ_FOREACH(se, &st->st_entry, se_list) { /* * If seen the reset and don't bump the count; @@ -1146,7 +1146,7 @@ sta_update_notseen(struct sta_table *st) else se->se_notseen++; } - mtx_unlock(&st->st_lock); + IEEE80211_SCAN_TABLE_UNLOCK(st); } static void @@ -1154,11 +1154,11 @@ sta_dec_fails(struct sta_table *st) { struct sta_entry *se; - mtx_lock(&st->st_lock); + IEEE80211_SCAN_TABLE_LOCK(st); TAILQ_FOREACH(se, &st->st_entry, se_list) if (se->se_fails) se->se_fails--; - mtx_unlock(&st->st_lock); + IEEE80211_SCAN_TABLE_UNLOCK(st); } static struct sta_entry * @@ -1169,7 +1169,7 @@ select_bss(struct ieee80211_scan_state *ss, struct ieee80211vap *vap, int debug) IEEE80211_DPRINTF(vap, debug, " %s\n", "macaddr bssid chan rssi rate flag wep essid"); - mtx_lock(&st->st_lock); + IEEE80211_SCAN_TABLE_LOCK(st); TAILQ_FOREACH(se, &st->st_entry, se_list) { ieee80211_ies_expand(&se->base.se_ies); if (match_bss(vap, ss, se, debug) == 0) { @@ -1179,7 +1179,7 @@ select_bss(struct ieee80211_scan_state *ss, struct ieee80211vap *vap, int debug) selbs = se; } } - mtx_unlock(&st->st_lock); + IEEE80211_SCAN_TABLE_UNLOCK(st); return selbs; } @@ -1258,11 +1258,11 @@ sta_lookup(struct sta_table *st, const uint8_t macaddr[IEEE80211_ADDR_LEN]) struct sta_entry *se; int hash = STA_HASH(macaddr); - mtx_lock(&st->st_lock); + IEEE80211_SCAN_TABLE_LOCK(st); LIST_FOREACH(se, &st->st_hash[hash], se_hash) if (IEEE80211_ADDR_EQ(se->base.se_macaddr, macaddr)) break; - mtx_unlock(&st->st_lock); + IEEE80211_SCAN_TABLE_UNLOCK(st); return se; /* NB: unlocked */ } @@ -1382,18 +1382,18 @@ sta_iterate(struct ieee80211_scan_state *ss, mtx_lock(&st->st_scanlock); gen = st->st_scaniter++; restart: - mtx_lock(&st->st_lock); + IEEE80211_SCAN_TABLE_LOCK(st); TAILQ_FOREACH(se, &st->st_entry, se_list) { if (se->se_scangen != gen) { se->se_scangen = gen; /* update public state */ se->base.se_age = ticks - se->se_lastupdate; - mtx_unlock(&st->st_lock); + IEEE80211_SCAN_TABLE_UNLOCK(st); (*f)(arg, &se->base); goto restart; } } - mtx_unlock(&st->st_lock); + IEEE80211_SCAN_TABLE_UNLOCK(st); mtx_unlock(&st->st_scanlock); } @@ -1510,7 +1510,7 @@ adhoc_pick_channel(struct ieee80211_scan_state *ss, int flags) bestchan = NULL; bestrssi = -1; - mtx_lock(&st->st_lock); + IEEE80211_SCAN_TABLE_LOCK(st); for (i = 0; i < ss->ss_last; i++) { c = ss->ss_chans[i]; /* never consider a channel with radar */ @@ -1532,7 +1532,7 @@ adhoc_pick_channel(struct ieee80211_scan_state *ss, int flags) if (bestchan == NULL || maxrssi < bestrssi) bestchan = c; } - mtx_unlock(&st->st_lock); + IEEE80211_SCAN_TABLE_UNLOCK(st); return bestchan; } @@ -1638,7 +1638,7 @@ adhoc_age(struct ieee80211_scan_state *ss) struct sta_table *st = ss->ss_priv; struct sta_entry *se, *next; - mtx_lock(&st->st_lock); + IEEE80211_SCAN_TABLE_LOCK(st); TAILQ_FOREACH_SAFE(se, &st->st_entry, se_list, next) { if (se->se_notseen > STA_PURGE_SCANS) { TAILQ_REMOVE(&st->st_entry, se, se_list); @@ -1647,7 +1647,7 @@ adhoc_age(struct ieee80211_scan_state *ss) free(se, M_80211_SCAN); } } - mtx_unlock(&st->st_lock); + IEEE80211_SCAN_TABLE_UNLOCK(st); } static const struct ieee80211_scanner adhoc_default = { |