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Code Issues Releases Activity

Migrate the 802.11s locks out into ieee80211_freebsd.h, so they can be

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defined as platform specific bits.

This is to help make OS portability easier.
This commit is contained in:
Adrian Chadd 2015-05-26 04:25:11 +00:00
parent eb3d0c5d8c
commit 71f9dd120b
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=283555
3 changed files with 31 additions and 18 deletions
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21
sys/net80211/ieee80211_freebsd.h
View File

@ -183,6 +183,27 @@ typedef struct mtx ieee80211_scan_table_lock_t;
#define IEEE80211_SCAN_TABLE_LOCK(_st) mtx_lock(&(_st)->st_lock)
#define IEEE80211_SCAN_TABLE_UNLOCK(_st) mtx_unlock(&(_st)->st_lock)
/*
* Mesh node/routing definitions.
*/
typedef struct mtx ieee80211_rte_lock_t;
#define MESH_RT_ENTRY_LOCK_INIT(_rt, _name) \
mtx_init(&(rt)->rt_lock, _name, "802.11s route entry", MTX_DEF)
#define MESH_RT_ENTRY_LOCK_DESTROY(_rt) \
mtx_destroy(&(_rt)->rt_lock)
#define MESH_RT_ENTRY_LOCK(rt) mtx_lock(&(rt)->rt_lock)
#define MESH_RT_ENTRY_LOCK_ASSERT(rt) mtx_assert(&(rt)->rt_lock, MA_OWNED)
#define MESH_RT_ENTRY_UNLOCK(rt) mtx_unlock(&(rt)->rt_lock)
typedef struct mtx ieee80211_rt_lock_t;
#define MESH_RT_LOCK(ms) mtx_lock(&(ms)->ms_rt_lock)
#define MESH_RT_LOCK_ASSERT(ms) mtx_assert(&(ms)->ms_rt_lock, MA_OWNED)
#define MESH_RT_UNLOCK(ms) mtx_unlock(&(ms)->ms_rt_lock)
#define MESH_RT_LOCK_INIT(ms, name) \
mtx_init(&(ms)->ms_rt_lock, name, "802.11s routing table", MTX_DEF)
#define MESH_RT_LOCK_DESTROY(ms) \
mtx_destroy(&(ms)->ms_rt_lock)
/*
* Node reference counting definitions.
*

24
sys/net80211/ieee80211_mesh.c
View File

@ -162,14 +162,6 @@ static const struct ieee80211_mesh_proto_metric mesh_metric_airtime = {
static struct ieee80211_mesh_proto_path mesh_proto_paths[4];
static struct ieee80211_mesh_proto_metric mesh_proto_metrics[4];
#define RT_ENTRY_LOCK(rt) mtx_lock(&(rt)->rt_lock)
#define RT_ENTRY_LOCK_ASSERT(rt) mtx_assert(&(rt)->rt_lock, MA_OWNED)
#define RT_ENTRY_UNLOCK(rt) mtx_unlock(&(rt)->rt_lock)
#define MESH_RT_LOCK(ms) mtx_lock(&(ms)->ms_rt_lock)
#define MESH_RT_LOCK_ASSERT(ms) mtx_assert(&(ms)->ms_rt_lock, MA_OWNED)
#define MESH_RT_UNLOCK(ms) mtx_unlock(&(ms)->ms_rt_lock)
MALLOC_DEFINE(M_80211_MESH_PREQ, "80211preq", "802.11 MESH Path Request frame");
MALLOC_DEFINE(M_80211_MESH_PREP, "80211prep", "802.11 MESH Path Reply frame");
MALLOC_DEFINE(M_80211_MESH_PERR, "80211perr", "802.11 MESH Path Error frame");
@ -218,7 +210,7 @@ mesh_rt_add_locked(struct ieee80211vap *vap,
rt->rt_vap = vap;
IEEE80211_ADDR_COPY(rt->rt_dest, dest);
rt->rt_priv = (void *)ALIGN(&rt[1]);
mtx_init(&rt->rt_lock, "MBSS_RT", "802.11s route entry", MTX_DEF);
MESH_RT_ENTRY_LOCK_INIT(rt, "MBSS_RT");
callout_init(&rt->rt_discovery, 1);
rt->rt_updtime = ticks; /* create time */
TAILQ_INSERT_TAIL(&ms->ms_routes, rt, rt_next);
@ -271,11 +263,11 @@ ieee80211_mesh_rt_update(struct ieee80211_mesh_route *rt, int new_lifetime)
KASSERT(rt != NULL, ("route is NULL"));
now = ticks;
RT_ENTRY_LOCK(rt);
MESH_RT_ENTRY_LOCK(rt);
/* dont clobber a proxy entry gated by us */
if (rt->rt_flags & IEEE80211_MESHRT_FLAGS_PROXY && rt->rt_nhops == 0) {
RT_ENTRY_UNLOCK(rt);
MESH_RT_ENTRY_UNLOCK(rt);
return rt->rt_lifetime;
}
@ -296,7 +288,7 @@ ieee80211_mesh_rt_update(struct ieee80211_mesh_route *rt, int new_lifetime)
new_lifetime, rt->rt_lifetime);
}
lifetime = rt->rt_lifetime;
RT_ENTRY_UNLOCK(rt);
MESH_RT_ENTRY_UNLOCK(rt);
return lifetime;
}
@ -358,9 +350,9 @@ mesh_rt_del(struct ieee80211_mesh_state *ms, struct ieee80211_mesh_route *rt)
* Grab the lock before destroying it, to be sure no one else
* is holding the route.
*/
RT_ENTRY_LOCK(rt);
MESH_RT_ENTRY_LOCK(rt);
callout_drain(&rt->rt_discovery);
mtx_destroy(&rt->rt_lock);
MESH_RT_ENTRY_LOCK_DESTROY(rt);
IEEE80211_FREE(rt, M_80211_MESH_RT);
}
@ -653,7 +645,7 @@ mesh_vdetach(struct ieee80211vap *vap)
ieee80211_iterate_nodes(&vap->iv_ic->ic_sta, mesh_vdetach_peers,
NULL);
ieee80211_mesh_rt_flush(vap);
mtx_destroy(&ms->ms_rt_lock);
MESH_RT_LOCK_DESTROY(ms);
ms->ms_ppath->mpp_vdetach(vap);
IEEE80211_FREE(vap->iv_mesh, M_80211_VAP);
vap->iv_mesh = NULL;
@ -680,7 +672,7 @@ mesh_vattach(struct ieee80211vap *vap)
ms->ms_ttl = IEEE80211_MESH_DEFAULT_TTL;
TAILQ_INIT(&ms->ms_known_gates);
TAILQ_INIT(&ms->ms_routes);
mtx_init(&ms->ms_rt_lock, "MBSS", "802.11s routing table", MTX_DEF);
MESH_RT_LOCK_INIT(ms, "MBSS");
callout_init(&ms->ms_cleantimer, 1);
callout_init(&ms->ms_gatetimer, 1);
ms->ms_gateseq = 0;

4
sys/net80211/ieee80211_mesh.h
View File

@ -418,7 +418,7 @@ MALLOC_DECLARE(M_80211_MESH_GT_RT);
struct ieee80211_mesh_route {
TAILQ_ENTRY(ieee80211_mesh_route) rt_next;
struct ieee80211vap *rt_vap;
struct mtx rt_lock; /* fine grained route lock */
ieee80211_rte_lock_t rt_lock; /* fine grained route lock */
struct callout rt_discovery; /* discovery timeout */
int rt_updtime; /* last update time */
uint8_t rt_dest[IEEE80211_ADDR_LEN];
@ -515,7 +515,7 @@ struct ieee80211_mesh_state {
#define IEEE80211_MESHFLAGS_FWD 0x04 /* forward packets */
#define IEEE80211_MESHFLAGS_ROOT 0x08 /* configured as root */
uint8_t ms_flags;
struct mtx ms_rt_lock;
ieee80211_rt_lock_t ms_rt_lock;
struct callout ms_cleantimer;
struct callout ms_gatetimer;
ieee80211_mesh_seq ms_gateseq;