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[src-draft/trunk]: src/sys/net80211 Implement VAP support for NetBSD.
details: https://anonhg.NetBSD.org/src-all/rev/6ebfd8db19c5
branches: trunk
changeset: 939331:6ebfd8db19c5
user: Martin Husemann <martin%NetBSD.org@localhost>
date: Fri Sep 25 19:54:08 2020 +0200
description:
Implement VAP support for NetBSD.
Fix a few locking issues, get rid of some now unused _locked() variants.
Pass a flag to ieee80211_check_scan_current() and friends telling
it whethere we have the radio IC already locked.
diffstat:
sys/net80211/ieee80211.c | 88 ++++-
sys/net80211/ieee80211_adhoc.c | 6 +-
sys/net80211/ieee80211_dfs.c | 8 +-
sys/net80211/ieee80211_hostap.c | 26 +-
sys/net80211/ieee80211_input.c | 25 +-
sys/net80211/ieee80211_ioctl.c | 39 +-
sys/net80211/ieee80211_mesh.c | 4 +-
sys/net80211/ieee80211_netbsd.c | 539 +++++++++++++++++++++-----------------
sys/net80211/ieee80211_netbsd.h | 68 ++--
sys/net80211/ieee80211_output.c | 2 +-
sys/net80211/ieee80211_proto.c | 21 +-
sys/net80211/ieee80211_scan.c | 13 +-
sys/net80211/ieee80211_scan.h | 4 +-
sys/net80211/ieee80211_scan_sw.c | 27 +-
sys/net80211/ieee80211_sta.c | 10 +-
sys/net80211/ieee80211_tdma.c | 4 +-
sys/net80211/ieee80211_var.h | 5 +-
sys/net80211/ieee80211_wds.c | 2 +-
18 files changed, 494 insertions(+), 397 deletions(-)
diffs (truncated from 1702 to 300 lines):
diff -r 2248a4ad768b -r 6ebfd8db19c5 sys/net80211/ieee80211.c
--- a/sys/net80211/ieee80211.c Fri Sep 25 19:50:15 2020 +0200
+++ b/sys/net80211/ieee80211.c Fri Sep 25 19:54:08 2020 +0200
@@ -114,6 +114,10 @@
#endif
};
+#ifdef __NetBSD__
+int sysctl_ieee80211coms(SYSCTLFN_ARGS);
+#endif
+
const uint8_t ieee80211broadcastaddr[IEEE80211_ADDR_LEN] =
{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
@@ -126,8 +130,9 @@
ifm_change_cb_t media_change, ifm_stat_cb_t media_stat);
static int media_status(enum ieee80211_opmode,
const struct ieee80211_channel *);
+#ifdef __FreeBSD__
static uint64_t ieee80211_get_counter(struct ifnet *, ift_counter);
-
+#endif
MALLOC_DEFINE(M_80211_VAP, "80211vap", "802.11 vap state");
@@ -319,7 +324,7 @@
static kmutex_t ic_list_mtx;
#endif
-#if notyet
+#if defined(__FreeBSD__)
static int
sysctl_ieee80211coms(SYSCTL_HANDLER_ARGS)
{
@@ -348,6 +353,34 @@
SYSCTL_PROC(_net_wlan, OID_AUTO, devices,
CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE, NULL, 0,
sysctl_ieee80211coms, "A", "names of available 802.11 devices");
+#elif defined(__NetBSD__)
+int
+sysctl_ieee80211coms(SYSCTLFN_ARGS)
+{
+ struct ieee80211com *ic;
+ struct sbuf *sb;
+ const char *sp = "";
+ int error, len, cnt = 0;
+
+ sb = sbuf_new_auto();
+ mtx_lock(&ic_list_mtx);
+ LIST_FOREACH(ic, &ic_head, ic_next) {
+ sbuf_printf(sb, "%s%s", sp, ic->ic_name);
+ sp = " ";
+ cnt++;
+ }
+ mtx_unlock(&ic_list_mtx);
+ error = sbuf_finish(sb);
+ sp = sbuf_data(sb);
+ len = sbuf_len(sb)+1;
+ if (oldp != NULL && len >= *oldlenp)
+ error = EINVAL;
+ else if (oldp != NULL)
+ error = copyout(sp, oldp, len);
+ sbuf_delete(sb);
+ *oldlenp = len;
+ return error;
+}
#endif
#if __NetBSD__
@@ -357,7 +390,7 @@
mutex_init(&ic_list_mtx, MUTEX_DEFAULT, IPL_NET);
ieee80211_auth_setup();
return 0;
-}
+}
#endif
/*
@@ -370,6 +403,8 @@
#if __NetBSD__
static ONCE_DECL(ic_list_mtx_once);
RUN_ONCE(&ic_list_mtx_once, ic_list_mtx_init);
+ static ONCE_DECL(clone_init_once);
+ RUN_ONCE(&clone_init_once, ieee80211_clone_attach);
#endif
IEEE80211_LOCK_INIT(ic, ic->ic_name);
@@ -392,8 +427,6 @@
if (workqueue_create(&ic->ic_tq, "net80211_wq",
ieee80211_runwork, ic, PRI_SOFTNET, IPL_NET, WQ_MPSAFE))
panic("net80211 workqueue not created");
- ic->ic_ierrors = 0;
- ic->ic_oerrors = 0;
#endif
/*
@@ -485,8 +518,10 @@
ieee80211_power_detach(ic);
ieee80211_node_detach(ic);
+#if __FreeBSD__
counter_u64_free(ic->ic_ierrors);
counter_u64_free(ic->ic_oerrors);
+#endif
taskqueue_free(ic->ic_tq);
IEEE80211_TX_LOCK_DESTROY(ic);
@@ -549,6 +584,7 @@
vap->iv_def_txkey = kid;
}
+#ifdef __FreeBSD__
/*
* Add underlying device errors to vap errors.
*/
@@ -573,6 +609,7 @@
return (rv);
}
+#endif
/*
* Prepare a vap for use. Drivers use this call to
@@ -592,9 +629,6 @@
__func__);
return ENOMEM;
}
-#if __NetBSD__
- if_initialize(ifp);
-#endif
if_initname(ifp, name, unit);
ifp->if_softc = vap; /* back pointer */
ifp->if_flags = IFF_SIMPLEX | IFF_BROADCAST | IFF_MULTICAST;
@@ -605,9 +639,12 @@
ifp->if_ioctl = ieee80211_ioctl;
ifp->if_init = ieee80211_init;
-#if notyet
+#if __FreeBSD__
ifp->if_get_counter = ieee80211_get_counter;
#endif
+#if __NetBSD__
+ if_initialize(ifp);
+#endif
vap->iv_ifp = ifp;
vap->iv_ic = ic;
vap->iv_flags = ic->ic_flags; /* propagate common flags */
@@ -759,7 +796,11 @@
if (maxrate)
ifp->if_baudrate = IF_Mbps(maxrate);
+#if __FreeBSD__
ether_ifattach(ifp, macaddr);
+#else
+ ieee80211_if_attach(ifp, macaddr);
+#endif
/* NNN also done in vap_setup, which is correct? */
IEEE80211_ADDR_COPY(vap->iv_myaddr, IF_LLADDR(ifp));
@@ -771,6 +812,7 @@
IEEE80211_LOCK(ic);
TAILQ_INSERT_TAIL(&ic->ic_vaps, vap, iv_next);
+
ieee80211_syncflag_locked(ic, IEEE80211_F_WME);
#ifdef IEEE80211_SUPPORT_SUPERG
ieee80211_syncflag_locked(ic, IEEE80211_F_TURBOP);
@@ -788,7 +830,6 @@
IEEE80211_UNLOCK(ic);
#if __NetBSD__
-
if_register(ifp);
#endif
@@ -812,9 +853,12 @@
IEEE80211_DPRINTF(vap, IEEE80211_MSG_STATE, "%s: %s parent %s\n",
__func__, ieee80211_opmode_name[vap->iv_opmode], ic->ic_name);
- /* NB: bpfdetach is called by ether_ifdetach and claims all taps */
+ KASSERT(!TAILQ_EMPTY(&ic->ic_vaps));
+#if __FreeBSD__
ether_ifdetach(ifp);
-
+#else
+ bpf_detach(ifp);
+#endif
ieee80211_stop(vap);
/*
@@ -823,7 +867,7 @@
ieee80211_draintask(ic, &vap->iv_nstate_task);
ieee80211_draintask(ic, &vap->iv_swbmiss_task);
ieee80211_draintask(ic, &vap->iv_wme_task);
- ieee80211_draintask(ic, &ic->ic_parent_task);
+ ieee80211_draintask(ic, &vap->iv_slot_task);
#if __FreeBSD__
/* XXX band-aid until ifnet handles this for us */
@@ -873,6 +917,9 @@
ieee80211_node_vdetach(vap);
ieee80211_sysctl_vdetach(vap);
+#if __NetBSD__
+ if_detach(ifp);
+#endif
if_free(ifp);
CURVNET_RESTORE();
@@ -1868,6 +1915,7 @@
#define ADD(_ic, _s, _o) \
ifmedia_add(media, \
IFM_MAKEWORD(IFM_IEEE80211, (_s), (_o), 0), 0, NULL)
+
static const u_int mopts[IEEE80211_MODE_MAX] = {
[IEEE80211_MODE_AUTO] = IFM_AUTO,
[IEEE80211_MODE_11A] = IFM_IEEE80211_11A,
@@ -2028,20 +2076,6 @@
}
void
-ieee80211_media_init(struct ieee80211com *ic,
- ifm_change_cb_t media_change, ifm_stat_cb_t media_stat)
-{
-
- struct ieee80211vap *vap;
-
- vap = TAILQ_FIRST(&ic->ic_vaps);
- KASSERTMSG(vap != NULL, "media vap is null");
-
- ifmedia_init_with_lock(&vap->iv_media, 0, media_change,
- media_stat, NULL);
-}
-
-void
ieee80211_announce(struct ieee80211com *ic)
{
int i, rate, mword;
diff -r 2248a4ad768b -r 6ebfd8db19c5 sys/net80211/ieee80211_adhoc.c
--- a/sys/net80211/ieee80211_adhoc.c Fri Sep 25 19:50:15 2020 +0200
+++ b/sys/net80211/ieee80211_adhoc.c Fri Sep 25 19:54:08 2020 +0200
@@ -205,7 +205,7 @@
* in iv_scanreq. Otherwise we do the default.
*/
if (vap->iv_flags_ext & IEEE80211_FEXT_SCANREQ) {
- ieee80211_check_scan(vap,
+ ieee80211_check_scan(vap, 1,
vap->iv_scanreq_flags,
vap->iv_scanreq_duration,
vap->iv_scanreq_mindwell,
@@ -213,7 +213,7 @@
vap->iv_scanreq_nssid, vap->iv_scanreq_ssid);
vap->iv_flags_ext &= ~IEEE80211_FEXT_SCANREQ;
} else
- ieee80211_check_scan_current(vap);
+ ieee80211_check_scan_current(vap, 1);
break;
case IEEE80211_S_SCAN:
/*
@@ -223,7 +223,7 @@
* case an application must issue an explicit request.
*/
if (vap->iv_roaming == IEEE80211_ROAMING_AUTO)
- ieee80211_check_scan_current(vap);
+ ieee80211_check_scan_current(vap, 1);
break;
default:
goto invalid;
diff -r 2248a4ad768b -r 6ebfd8db19c5 sys/net80211/ieee80211_dfs.c
--- a/sys/net80211/ieee80211_dfs.c Fri Sep 25 19:50:15 2020 +0200
+++ b/sys/net80211/ieee80211_dfs.c Fri Sep 25 19:54:08 2020 +0200
@@ -121,12 +121,12 @@
{
struct ieee80211_dfs_state *dfs = &ic->ic_dfs;
-#ifdef __FreeBSD__
+#if __FreeBSD__
callout_init_mtx(&dfs->nol_timer, IEEE80211_LOCK_OBJ(ic), 0);
callout_init_mtx(&dfs->cac_timer, IEEE80211_LOCK_OBJ(ic), 0);
-#else
- callout_init(&dfs->nol_timer, 0);
- callout_init(&dfs->cac_timer, 0);
+#elif __NetBSD__
+ callout_init(&dfs->nol_timer, CALLOUT_MPSAFE);
+ callout_init(&dfs->cac_timer, CALLOUT_MPSAFE);
#endif
ic->ic_set_quiet = null_set_quiet;
diff -r 2248a4ad768b -r 6ebfd8db19c5 sys/net80211/ieee80211_hostap.c
--- a/sys/net80211/ieee80211_hostap.c Fri Sep 25 19:50:15 2020 +0200
+++ b/sys/net80211/ieee80211_hostap.c Fri Sep 25 19:54:08 2020 +0200
@@ -254,7 +254,7 @@
* in iv_scanreq. Otherwise we do the default.
*/
if (vap->iv_flags_ext & IEEE80211_FEXT_SCANREQ) {
- ieee80211_check_scan(vap,
+ ieee80211_check_scan(vap, 1,
vap->iv_scanreq_flags,
vap->iv_scanreq_duration,
vap->iv_scanreq_mindwell,
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