Index: head/sys/net80211/ieee80211_freebsd.c =================================================================== --- head/sys/net80211/ieee80211_freebsd.c (revision 361884) +++ head/sys/net80211/ieee80211_freebsd.c (revision 361885) @@ -1,1075 +1,1089 @@ /*- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD * * Copyright (c) 2003-2009 Sam Leffler, Errno Consulting * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include __FBSDID("$FreeBSD$"); /* * IEEE 802.11 support (FreeBSD-specific code) */ #include "opt_wlan.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include SYSCTL_NODE(_net, OID_AUTO, wlan, CTLFLAG_RD | CTLFLAG_MPSAFE, 0, "IEEE 80211 parameters"); #ifdef IEEE80211_DEBUG static int ieee80211_debug = 0; SYSCTL_INT(_net_wlan, OID_AUTO, debug, CTLFLAG_RW, &ieee80211_debug, 0, "debugging printfs"); #endif static const char wlanname[] = "wlan"; static struct if_clone *wlan_cloner; static int wlan_clone_create(struct if_clone *ifc, int unit, caddr_t params) { struct ieee80211_clone_params cp; struct ieee80211vap *vap; struct ieee80211com *ic; int error; error = copyin(params, &cp, sizeof(cp)); if (error) return error; ic = ieee80211_find_com(cp.icp_parent); if (ic == NULL) return ENXIO; if (cp.icp_opmode >= IEEE80211_OPMODE_MAX) { ic_printf(ic, "%s: invalid opmode %d\n", __func__, cp.icp_opmode); return EINVAL; } if ((ic->ic_caps & ieee80211_opcap[cp.icp_opmode]) == 0) { ic_printf(ic, "%s mode not supported\n", ieee80211_opmode_name[cp.icp_opmode]); return EOPNOTSUPP; } if ((cp.icp_flags & IEEE80211_CLONE_TDMA) && #ifdef IEEE80211_SUPPORT_TDMA (ic->ic_caps & IEEE80211_C_TDMA) == 0 #else (1) #endif ) { ic_printf(ic, "TDMA not supported\n"); return EOPNOTSUPP; } vap = ic->ic_vap_create(ic, wlanname, unit, cp.icp_opmode, cp.icp_flags, cp.icp_bssid, cp.icp_flags & IEEE80211_CLONE_MACADDR ? cp.icp_macaddr : ic->ic_macaddr); return (vap == NULL ? EIO : 0); } static void wlan_clone_destroy(struct ifnet *ifp) { struct ieee80211vap *vap = ifp->if_softc; struct ieee80211com *ic = vap->iv_ic; ic->ic_vap_delete(vap); } void ieee80211_vap_destroy(struct ieee80211vap *vap) { CURVNET_SET(vap->iv_ifp->if_vnet); if_clone_destroyif(wlan_cloner, vap->iv_ifp); CURVNET_RESTORE(); } int ieee80211_sysctl_msecs_ticks(SYSCTL_HANDLER_ARGS) { int msecs = ticks_to_msecs(*(int *)arg1); int error; error = sysctl_handle_int(oidp, &msecs, 0, req); if (error || !req->newptr) return error; *(int *)arg1 = msecs_to_ticks(msecs); return 0; } static int ieee80211_sysctl_inact(SYSCTL_HANDLER_ARGS) { int inact = (*(int *)arg1) * IEEE80211_INACT_WAIT; int error; error = sysctl_handle_int(oidp, &inact, 0, req); if (error || !req->newptr) return error; *(int *)arg1 = inact / IEEE80211_INACT_WAIT; return 0; } static int ieee80211_sysctl_parent(SYSCTL_HANDLER_ARGS) { struct ieee80211com *ic = arg1; return SYSCTL_OUT_STR(req, ic->ic_name); } static int ieee80211_sysctl_radar(SYSCTL_HANDLER_ARGS) { struct ieee80211com *ic = arg1; int t = 0, error; error = sysctl_handle_int(oidp, &t, 0, req); if (error || !req->newptr) return error; IEEE80211_LOCK(ic); ieee80211_dfs_notify_radar(ic, ic->ic_curchan); IEEE80211_UNLOCK(ic); return 0; } /* * For now, just restart everything. * * Later on, it'd be nice to have a separate VAP restart to * full-device restart. */ static int ieee80211_sysctl_vap_restart(SYSCTL_HANDLER_ARGS) { struct ieee80211vap *vap = arg1; int t = 0, error; error = sysctl_handle_int(oidp, &t, 0, req); if (error || !req->newptr) return error; ieee80211_restart_all(vap->iv_ic); return 0; } void ieee80211_sysctl_attach(struct ieee80211com *ic) { } void ieee80211_sysctl_detach(struct ieee80211com *ic) { } void ieee80211_sysctl_vattach(struct ieee80211vap *vap) { struct ifnet *ifp = vap->iv_ifp; struct sysctl_ctx_list *ctx; struct sysctl_oid *oid; char num[14]; /* sufficient for 32 bits */ ctx = (struct sysctl_ctx_list *) IEEE80211_MALLOC(sizeof(struct sysctl_ctx_list), M_DEVBUF, IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); if (ctx == NULL) { if_printf(ifp, "%s: cannot allocate sysctl context!\n", __func__); return; } sysctl_ctx_init(ctx); snprintf(num, sizeof(num), "%u", ifp->if_dunit); oid = SYSCTL_ADD_NODE(ctx, &SYSCTL_NODE_CHILDREN(_net, wlan), OID_AUTO, num, CTLFLAG_RD | CTLFLAG_MPSAFE, NULL, ""); SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(oid), OID_AUTO, "%parent", CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_NEEDGIANT, vap->iv_ic, 0, ieee80211_sysctl_parent, "A", "parent device"); SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(oid), OID_AUTO, "driver_caps", CTLFLAG_RW, &vap->iv_caps, 0, "driver capabilities"); #ifdef IEEE80211_DEBUG vap->iv_debug = ieee80211_debug; SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(oid), OID_AUTO, "debug", CTLFLAG_RW, &vap->iv_debug, 0, "control debugging printfs"); #endif SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(oid), OID_AUTO, "bmiss_max", CTLFLAG_RW, &vap->iv_bmiss_max, 0, "consecutive beacon misses before scanning"); /* XXX inherit from tunables */ SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(oid), OID_AUTO, "inact_run", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, &vap->iv_inact_run, 0, ieee80211_sysctl_inact, "I", "station inactivity timeout (sec)"); SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(oid), OID_AUTO, "inact_probe", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, &vap->iv_inact_probe, 0, ieee80211_sysctl_inact, "I", "station inactivity probe timeout (sec)"); SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(oid), OID_AUTO, "inact_auth", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, &vap->iv_inact_auth, 0, ieee80211_sysctl_inact, "I", "station authentication timeout (sec)"); SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(oid), OID_AUTO, "inact_init", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, &vap->iv_inact_init, 0, ieee80211_sysctl_inact, "I", "station initial state timeout (sec)"); if (vap->iv_htcaps & IEEE80211_HTC_HT) { SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(oid), OID_AUTO, "ampdu_mintraffic_bk", CTLFLAG_RW, &vap->iv_ampdu_mintraffic[WME_AC_BK], 0, "BK traffic tx aggr threshold (pps)"); SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(oid), OID_AUTO, "ampdu_mintraffic_be", CTLFLAG_RW, &vap->iv_ampdu_mintraffic[WME_AC_BE], 0, "BE traffic tx aggr threshold (pps)"); SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(oid), OID_AUTO, "ampdu_mintraffic_vo", CTLFLAG_RW, &vap->iv_ampdu_mintraffic[WME_AC_VO], 0, "VO traffic tx aggr threshold (pps)"); SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(oid), OID_AUTO, "ampdu_mintraffic_vi", CTLFLAG_RW, &vap->iv_ampdu_mintraffic[WME_AC_VI], 0, "VI traffic tx aggr threshold (pps)"); } SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(oid), OID_AUTO, "force_restart", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, vap, 0, ieee80211_sysctl_vap_restart, "I", "force a VAP restart"); if (vap->iv_caps & IEEE80211_C_DFS) { SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(oid), OID_AUTO, "radar", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, vap->iv_ic, 0, ieee80211_sysctl_radar, "I", "simulate radar event"); } vap->iv_sysctl = ctx; vap->iv_oid = oid; } void ieee80211_sysctl_vdetach(struct ieee80211vap *vap) { if (vap->iv_sysctl != NULL) { sysctl_ctx_free(vap->iv_sysctl); IEEE80211_FREE(vap->iv_sysctl, M_DEVBUF); vap->iv_sysctl = NULL; } } #define MS(_v, _f) (((_v) & _f##_M) >> _f##_S) int ieee80211_com_vincref(struct ieee80211vap *vap) { uint32_t ostate; ostate = atomic_fetchadd_32(&vap->iv_com_state, IEEE80211_COM_REF_ADD); if (ostate & IEEE80211_COM_DETACHED) { atomic_subtract_32(&vap->iv_com_state, IEEE80211_COM_REF_ADD); return (ENETDOWN); } if (MS(ostate, IEEE80211_COM_REF) == IEEE80211_COM_REF_MAX) { atomic_subtract_32(&vap->iv_com_state, IEEE80211_COM_REF_ADD); return (EOVERFLOW); } return (0); } void ieee80211_com_vdecref(struct ieee80211vap *vap) { uint32_t ostate; ostate = atomic_fetchadd_32(&vap->iv_com_state, -IEEE80211_COM_REF_ADD); KASSERT(MS(ostate, IEEE80211_COM_REF) != 0, ("com reference counter underflow")); (void) ostate; } void ieee80211_com_vdetach(struct ieee80211vap *vap) { int sleep_time; sleep_time = msecs_to_ticks(250); atomic_set_32(&vap->iv_com_state, IEEE80211_COM_DETACHED); while (MS(atomic_load_32(&vap->iv_com_state), IEEE80211_COM_REF) != 0) pause("comref", sleep_time); } #undef MS int ieee80211_node_dectestref(struct ieee80211_node *ni) { /* XXX need equivalent of atomic_dec_and_test */ atomic_subtract_int(&ni->ni_refcnt, 1); return atomic_cmpset_int(&ni->ni_refcnt, 0, 1); } void ieee80211_drain_ifq(struct ifqueue *ifq) { struct ieee80211_node *ni; struct mbuf *m; for (;;) { IF_DEQUEUE(ifq, m); if (m == NULL) break; ni = (struct ieee80211_node *)m->m_pkthdr.rcvif; KASSERT(ni != NULL, ("frame w/o node")); ieee80211_free_node(ni); m->m_pkthdr.rcvif = NULL; m_freem(m); } } void ieee80211_flush_ifq(struct ifqueue *ifq, struct ieee80211vap *vap) { struct ieee80211_node *ni; struct mbuf *m, **mprev; IF_LOCK(ifq); mprev = &ifq->ifq_head; while ((m = *mprev) != NULL) { ni = (struct ieee80211_node *)m->m_pkthdr.rcvif; if (ni != NULL && ni->ni_vap == vap) { *mprev = m->m_nextpkt; /* remove from list */ ifq->ifq_len--; m_freem(m); ieee80211_free_node(ni); /* reclaim ref */ } else mprev = &m->m_nextpkt; } /* recalculate tail ptr */ m = ifq->ifq_head; for (; m != NULL && m->m_nextpkt != NULL; m = m->m_nextpkt) ; ifq->ifq_tail = m; IF_UNLOCK(ifq); } /* * As above, for mbufs allocated with m_gethdr/MGETHDR * or initialized by M_COPY_PKTHDR. */ #define MC_ALIGN(m, len) \ do { \ (m)->m_data += rounddown2(MCLBYTES - (len), sizeof(long)); \ } while (/* CONSTCOND */ 0) /* * Allocate and setup a management frame of the specified * size. We return the mbuf and a pointer to the start * of the contiguous data area that's been reserved based * on the packet length. The data area is forced to 32-bit * alignment and the buffer length to a multiple of 4 bytes. * This is done mainly so beacon frames (that require this) * can use this interface too. */ struct mbuf * ieee80211_getmgtframe(uint8_t **frm, int headroom, int pktlen) { struct mbuf *m; u_int len; /* * NB: we know the mbuf routines will align the data area * so we don't need to do anything special. */ len = roundup2(headroom + pktlen, 4); KASSERT(len <= MCLBYTES, ("802.11 mgt frame too large: %u", len)); if (len < MINCLSIZE) { m = m_gethdr(M_NOWAIT, MT_DATA); /* * Align the data in case additional headers are added. * This should only happen when a WEP header is added * which only happens for shared key authentication mgt * frames which all fit in MHLEN. */ if (m != NULL) M_ALIGN(m, len); } else { m = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR); if (m != NULL) MC_ALIGN(m, len); } if (m != NULL) { m->m_data += headroom; *frm = m->m_data; } return m; } #ifndef __NO_STRICT_ALIGNMENT /* * Re-align the payload in the mbuf. This is mainly used (right now) * to handle IP header alignment requirements on certain architectures. */ struct mbuf * ieee80211_realign(struct ieee80211vap *vap, struct mbuf *m, size_t align) { int pktlen, space; struct mbuf *n; pktlen = m->m_pkthdr.len; space = pktlen + align; if (space < MINCLSIZE) n = m_gethdr(M_NOWAIT, MT_DATA); else { n = m_getjcl(M_NOWAIT, MT_DATA, M_PKTHDR, space <= MCLBYTES ? MCLBYTES : #if MJUMPAGESIZE != MCLBYTES space <= MJUMPAGESIZE ? MJUMPAGESIZE : #endif space <= MJUM9BYTES ? MJUM9BYTES : MJUM16BYTES); } if (__predict_true(n != NULL)) { m_move_pkthdr(n, m); n->m_data = (caddr_t)(ALIGN(n->m_data + align) - align); m_copydata(m, 0, pktlen, mtod(n, caddr_t)); n->m_len = pktlen; } else { IEEE80211_DISCARD(vap, IEEE80211_MSG_ANY, mtod(m, const struct ieee80211_frame *), NULL, "%s", "no mbuf to realign"); vap->iv_stats.is_rx_badalign++; } m_freem(m); return n; } #endif /* !__NO_STRICT_ALIGNMENT */ int ieee80211_add_callback(struct mbuf *m, void (*func)(struct ieee80211_node *, void *, int), void *arg) { struct m_tag *mtag; struct ieee80211_cb *cb; mtag = m_tag_alloc(MTAG_ABI_NET80211, NET80211_TAG_CALLBACK, sizeof(struct ieee80211_cb), M_NOWAIT); if (mtag == NULL) return 0; cb = (struct ieee80211_cb *)(mtag+1); cb->func = func; cb->arg = arg; m_tag_prepend(m, mtag); m->m_flags |= M_TXCB; return 1; } int ieee80211_add_xmit_params(struct mbuf *m, const struct ieee80211_bpf_params *params) { struct m_tag *mtag; struct ieee80211_tx_params *tx; mtag = m_tag_alloc(MTAG_ABI_NET80211, NET80211_TAG_XMIT_PARAMS, sizeof(struct ieee80211_tx_params), M_NOWAIT); if (mtag == NULL) return (0); tx = (struct ieee80211_tx_params *)(mtag+1); memcpy(&tx->params, params, sizeof(struct ieee80211_bpf_params)); m_tag_prepend(m, mtag); return (1); } int ieee80211_get_xmit_params(struct mbuf *m, struct ieee80211_bpf_params *params) { struct m_tag *mtag; struct ieee80211_tx_params *tx; mtag = m_tag_locate(m, MTAG_ABI_NET80211, NET80211_TAG_XMIT_PARAMS, NULL); if (mtag == NULL) return (-1); tx = (struct ieee80211_tx_params *)(mtag + 1); memcpy(params, &tx->params, sizeof(struct ieee80211_bpf_params)); return (0); } void ieee80211_process_callback(struct ieee80211_node *ni, struct mbuf *m, int status) { struct m_tag *mtag; mtag = m_tag_locate(m, MTAG_ABI_NET80211, NET80211_TAG_CALLBACK, NULL); if (mtag != NULL) { struct ieee80211_cb *cb = (struct ieee80211_cb *)(mtag+1); cb->func(ni, cb->arg, status); } } /* * Add RX parameters to the given mbuf. * * Returns 1 if OK, 0 on error. */ int ieee80211_add_rx_params(struct mbuf *m, const struct ieee80211_rx_stats *rxs) { struct m_tag *mtag; struct ieee80211_rx_params *rx; mtag = m_tag_alloc(MTAG_ABI_NET80211, NET80211_TAG_RECV_PARAMS, sizeof(struct ieee80211_rx_stats), M_NOWAIT); if (mtag == NULL) return (0); rx = (struct ieee80211_rx_params *)(mtag + 1); memcpy(&rx->params, rxs, sizeof(*rxs)); m_tag_prepend(m, mtag); return (1); } int ieee80211_get_rx_params(struct mbuf *m, struct ieee80211_rx_stats *rxs) { struct m_tag *mtag; struct ieee80211_rx_params *rx; mtag = m_tag_locate(m, MTAG_ABI_NET80211, NET80211_TAG_RECV_PARAMS, NULL); if (mtag == NULL) return (-1); rx = (struct ieee80211_rx_params *)(mtag + 1); memcpy(rxs, &rx->params, sizeof(*rxs)); return (0); } const struct ieee80211_rx_stats * ieee80211_get_rx_params_ptr(struct mbuf *m) { struct m_tag *mtag; struct ieee80211_rx_params *rx; mtag = m_tag_locate(m, MTAG_ABI_NET80211, NET80211_TAG_RECV_PARAMS, NULL); if (mtag == NULL) return (NULL); rx = (struct ieee80211_rx_params *)(mtag + 1); return (&rx->params); } /* * Add TOA parameters to the given mbuf. */ int ieee80211_add_toa_params(struct mbuf *m, const struct ieee80211_toa_params *p) { struct m_tag *mtag; struct ieee80211_toa_params *rp; mtag = m_tag_alloc(MTAG_ABI_NET80211, NET80211_TAG_TOA_PARAMS, sizeof(struct ieee80211_toa_params), M_NOWAIT); if (mtag == NULL) return (0); rp = (struct ieee80211_toa_params *)(mtag + 1); memcpy(rp, p, sizeof(*rp)); m_tag_prepend(m, mtag); return (1); } int ieee80211_get_toa_params(struct mbuf *m, struct ieee80211_toa_params *p) { struct m_tag *mtag; struct ieee80211_toa_params *rp; mtag = m_tag_locate(m, MTAG_ABI_NET80211, NET80211_TAG_TOA_PARAMS, NULL); if (mtag == NULL) return (0); rp = (struct ieee80211_toa_params *)(mtag + 1); if (p != NULL) memcpy(p, rp, sizeof(*p)); return (1); } /* * Transmit a frame to the parent interface. */ int ieee80211_parent_xmitpkt(struct ieee80211com *ic, struct mbuf *m) { int error; /* * Assert the IC TX lock is held - this enforces the * processing -> queuing order is maintained */ IEEE80211_TX_LOCK_ASSERT(ic); error = ic->ic_transmit(ic, m); if (error) { struct ieee80211_node *ni; ni = (struct ieee80211_node *)m->m_pkthdr.rcvif; /* XXX number of fragments */ if_inc_counter(ni->ni_vap->iv_ifp, IFCOUNTER_OERRORS, 1); ieee80211_free_node(ni); ieee80211_free_mbuf(m); } return (error); } /* * Transmit a frame to the VAP interface. */ int ieee80211_vap_xmitpkt(struct ieee80211vap *vap, struct mbuf *m) { struct ifnet *ifp = vap->iv_ifp; /* * When transmitting via the VAP, we shouldn't hold * any IC TX lock as the VAP TX path will acquire it. */ IEEE80211_TX_UNLOCK_ASSERT(vap->iv_ic); return (ifp->if_transmit(ifp, m)); } #include void get_random_bytes(void *p, size_t n) { uint8_t *dp = p; while (n > 0) { uint32_t v = arc4random(); size_t nb = n > sizeof(uint32_t) ? sizeof(uint32_t) : n; bcopy(&v, dp, n > sizeof(uint32_t) ? sizeof(uint32_t) : n); dp += sizeof(uint32_t), n -= nb; } } /* * Helper function for events that pass just a single mac address. */ static void notify_macaddr(struct ifnet *ifp, int op, const uint8_t mac[IEEE80211_ADDR_LEN]) { struct ieee80211_join_event iev; CURVNET_SET(ifp->if_vnet); memset(&iev, 0, sizeof(iev)); IEEE80211_ADDR_COPY(iev.iev_addr, mac); rt_ieee80211msg(ifp, op, &iev, sizeof(iev)); CURVNET_RESTORE(); } void ieee80211_notify_node_join(struct ieee80211_node *ni, int newassoc) { struct ieee80211vap *vap = ni->ni_vap; struct ifnet *ifp = vap->iv_ifp; CURVNET_SET_QUIET(ifp->if_vnet); IEEE80211_NOTE(vap, IEEE80211_MSG_NODE, ni, "%snode join", (ni == vap->iv_bss) ? "bss " : ""); if (ni == vap->iv_bss) { notify_macaddr(ifp, newassoc ? RTM_IEEE80211_ASSOC : RTM_IEEE80211_REASSOC, ni->ni_bssid); if_link_state_change(ifp, LINK_STATE_UP); } else { notify_macaddr(ifp, newassoc ? RTM_IEEE80211_JOIN : RTM_IEEE80211_REJOIN, ni->ni_macaddr); } CURVNET_RESTORE(); } void ieee80211_notify_node_leave(struct ieee80211_node *ni) { struct ieee80211vap *vap = ni->ni_vap; struct ifnet *ifp = vap->iv_ifp; CURVNET_SET_QUIET(ifp->if_vnet); IEEE80211_NOTE(vap, IEEE80211_MSG_NODE, ni, "%snode leave", (ni == vap->iv_bss) ? "bss " : ""); if (ni == vap->iv_bss) { rt_ieee80211msg(ifp, RTM_IEEE80211_DISASSOC, NULL, 0); if_link_state_change(ifp, LINK_STATE_DOWN); } else { /* fire off wireless event station leaving */ notify_macaddr(ifp, RTM_IEEE80211_LEAVE, ni->ni_macaddr); } CURVNET_RESTORE(); } void ieee80211_notify_scan_done(struct ieee80211vap *vap) { struct ifnet *ifp = vap->iv_ifp; IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, "%s\n", "notify scan done"); /* dispatch wireless event indicating scan completed */ CURVNET_SET(ifp->if_vnet); rt_ieee80211msg(ifp, RTM_IEEE80211_SCAN, NULL, 0); CURVNET_RESTORE(); } void ieee80211_notify_replay_failure(struct ieee80211vap *vap, const struct ieee80211_frame *wh, const struct ieee80211_key *k, u_int64_t rsc, int tid) { struct ifnet *ifp = vap->iv_ifp; IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_CRYPTO, wh->i_addr2, "%s replay detected tid %d ", k->wk_cipher->ic_name, tid, (intmax_t) rsc, (intmax_t) rsc, (intmax_t) k->wk_keyrsc[tid], (intmax_t) k->wk_keyrsc[tid], k->wk_keyix, k->wk_rxkeyix); if (ifp != NULL) { /* NB: for cipher test modules */ struct ieee80211_replay_event iev; IEEE80211_ADDR_COPY(iev.iev_dst, wh->i_addr1); IEEE80211_ADDR_COPY(iev.iev_src, wh->i_addr2); iev.iev_cipher = k->wk_cipher->ic_cipher; if (k->wk_rxkeyix != IEEE80211_KEYIX_NONE) iev.iev_keyix = k->wk_rxkeyix; else iev.iev_keyix = k->wk_keyix; iev.iev_keyrsc = k->wk_keyrsc[tid]; iev.iev_rsc = rsc; CURVNET_SET(ifp->if_vnet); rt_ieee80211msg(ifp, RTM_IEEE80211_REPLAY, &iev, sizeof(iev)); CURVNET_RESTORE(); } } void ieee80211_notify_michael_failure(struct ieee80211vap *vap, const struct ieee80211_frame *wh, u_int keyix) { struct ifnet *ifp = vap->iv_ifp; IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_CRYPTO, wh->i_addr2, "michael MIC verification failed ", keyix); vap->iv_stats.is_rx_tkipmic++; if (ifp != NULL) { /* NB: for cipher test modules */ struct ieee80211_michael_event iev; IEEE80211_ADDR_COPY(iev.iev_dst, wh->i_addr1); IEEE80211_ADDR_COPY(iev.iev_src, wh->i_addr2); iev.iev_cipher = IEEE80211_CIPHER_TKIP; iev.iev_keyix = keyix; CURVNET_SET(ifp->if_vnet); rt_ieee80211msg(ifp, RTM_IEEE80211_MICHAEL, &iev, sizeof(iev)); CURVNET_RESTORE(); } } void ieee80211_notify_wds_discover(struct ieee80211_node *ni) { struct ieee80211vap *vap = ni->ni_vap; struct ifnet *ifp = vap->iv_ifp; notify_macaddr(ifp, RTM_IEEE80211_WDS, ni->ni_macaddr); } void ieee80211_notify_csa(struct ieee80211com *ic, const struct ieee80211_channel *c, int mode, int count) { struct ieee80211_csa_event iev; struct ieee80211vap *vap; struct ifnet *ifp; memset(&iev, 0, sizeof(iev)); iev.iev_flags = c->ic_flags; iev.iev_freq = c->ic_freq; iev.iev_ieee = c->ic_ieee; iev.iev_mode = mode; iev.iev_count = count; TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) { ifp = vap->iv_ifp; CURVNET_SET(ifp->if_vnet); rt_ieee80211msg(ifp, RTM_IEEE80211_CSA, &iev, sizeof(iev)); CURVNET_RESTORE(); } } void ieee80211_notify_radar(struct ieee80211com *ic, const struct ieee80211_channel *c) { struct ieee80211_radar_event iev; struct ieee80211vap *vap; struct ifnet *ifp; memset(&iev, 0, sizeof(iev)); iev.iev_flags = c->ic_flags; iev.iev_freq = c->ic_freq; iev.iev_ieee = c->ic_ieee; TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) { ifp = vap->iv_ifp; CURVNET_SET(ifp->if_vnet); rt_ieee80211msg(ifp, RTM_IEEE80211_RADAR, &iev, sizeof(iev)); CURVNET_RESTORE(); } } void ieee80211_notify_cac(struct ieee80211com *ic, const struct ieee80211_channel *c, enum ieee80211_notify_cac_event type) { struct ieee80211_cac_event iev; struct ieee80211vap *vap; struct ifnet *ifp; memset(&iev, 0, sizeof(iev)); iev.iev_flags = c->ic_flags; iev.iev_freq = c->ic_freq; iev.iev_ieee = c->ic_ieee; iev.iev_type = type; TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) { ifp = vap->iv_ifp; CURVNET_SET(ifp->if_vnet); rt_ieee80211msg(ifp, RTM_IEEE80211_CAC, &iev, sizeof(iev)); CURVNET_RESTORE(); } } void ieee80211_notify_node_deauth(struct ieee80211_node *ni) { struct ieee80211vap *vap = ni->ni_vap; struct ifnet *ifp = vap->iv_ifp; IEEE80211_NOTE(vap, IEEE80211_MSG_NODE, ni, "%s", "node deauth"); notify_macaddr(ifp, RTM_IEEE80211_DEAUTH, ni->ni_macaddr); } void ieee80211_notify_node_auth(struct ieee80211_node *ni) { struct ieee80211vap *vap = ni->ni_vap; struct ifnet *ifp = vap->iv_ifp; IEEE80211_NOTE(vap, IEEE80211_MSG_NODE, ni, "%s", "node auth"); notify_macaddr(ifp, RTM_IEEE80211_AUTH, ni->ni_macaddr); } void ieee80211_notify_country(struct ieee80211vap *vap, const uint8_t bssid[IEEE80211_ADDR_LEN], const uint8_t cc[2]) { struct ifnet *ifp = vap->iv_ifp; struct ieee80211_country_event iev; memset(&iev, 0, sizeof(iev)); IEEE80211_ADDR_COPY(iev.iev_addr, bssid); iev.iev_cc[0] = cc[0]; iev.iev_cc[1] = cc[1]; CURVNET_SET(ifp->if_vnet); rt_ieee80211msg(ifp, RTM_IEEE80211_COUNTRY, &iev, sizeof(iev)); CURVNET_RESTORE(); } void ieee80211_notify_radio(struct ieee80211com *ic, int state) { struct ieee80211_radio_event iev; struct ieee80211vap *vap; struct ifnet *ifp; memset(&iev, 0, sizeof(iev)); iev.iev_state = state; TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) { ifp = vap->iv_ifp; CURVNET_SET(ifp->if_vnet); rt_ieee80211msg(ifp, RTM_IEEE80211_RADIO, &iev, sizeof(iev)); CURVNET_RESTORE(); } } void ieee80211_notify_ifnet_change(struct ieee80211vap *vap) { struct ifnet *ifp = vap->iv_ifp; IEEE80211_DPRINTF(vap, IEEE80211_MSG_DEBUG, "%s\n", "interface state change"); CURVNET_SET(ifp->if_vnet); rt_ifmsg(ifp); CURVNET_RESTORE(); } void ieee80211_load_module(const char *modname) { #ifdef notyet (void)kern_kldload(curthread, modname, NULL); #else printf("%s: load the %s module by hand for now.\n", __func__, modname); #endif } static eventhandler_tag wlan_bpfevent; static eventhandler_tag wlan_ifllevent; static void bpf_track(void *arg, struct ifnet *ifp, int dlt, int attach) { /* NB: identify vap's by if_init */ if (dlt == DLT_IEEE802_11_RADIO && ifp->if_init == ieee80211_init) { struct ieee80211vap *vap = ifp->if_softc; /* * Track bpf radiotap listener state. We mark the vap * to indicate if any listener is present and the com * to indicate if any listener exists on any associated * vap. This flag is used by drivers to prepare radiotap * state only when needed. */ if (attach) { ieee80211_syncflag_ext(vap, IEEE80211_FEXT_BPF); if (vap->iv_opmode == IEEE80211_M_MONITOR) atomic_add_int(&vap->iv_ic->ic_montaps, 1); } else if (!bpf_peers_present(vap->iv_rawbpf)) { ieee80211_syncflag_ext(vap, -IEEE80211_FEXT_BPF); if (vap->iv_opmode == IEEE80211_M_MONITOR) atomic_subtract_int(&vap->iv_ic->ic_montaps, 1); } } } /* * Change MAC address on the vap (if was not started). */ static void wlan_iflladdr(void *arg __unused, struct ifnet *ifp) { /* NB: identify vap's by if_init */ if (ifp->if_init == ieee80211_init && (ifp->if_flags & IFF_UP) == 0) { struct ieee80211vap *vap = ifp->if_softc; IEEE80211_ADDR_COPY(vap->iv_myaddr, IF_LLADDR(ifp)); } } /* + * Fetch the VAP name. + * + * This returns a const char pointer suitable for debugging, + * but don't expect it to stick around for much longer. + */ +const char * +ieee80211_get_vap_ifname(struct ieee80211vap *vap) +{ + if ((vap->iv_ifp == NULL) || (vap->iv_ifp->if_xname == NULL)) + return "(none)"; + return vap->iv_ifp->if_xname; +} + +/* * Module glue. * * NB: the module name is "wlan" for compatibility with NetBSD. */ static int wlan_modevent(module_t mod, int type, void *unused) { switch (type) { case MOD_LOAD: if (bootverbose) printf("wlan: <802.11 Link Layer>\n"); wlan_bpfevent = EVENTHANDLER_REGISTER(bpf_track, bpf_track, 0, EVENTHANDLER_PRI_ANY); wlan_ifllevent = EVENTHANDLER_REGISTER(iflladdr_event, wlan_iflladdr, NULL, EVENTHANDLER_PRI_ANY); wlan_cloner = if_clone_simple(wlanname, wlan_clone_create, wlan_clone_destroy, 0); return 0; case MOD_UNLOAD: if_clone_detach(wlan_cloner); EVENTHANDLER_DEREGISTER(bpf_track, wlan_bpfevent); EVENTHANDLER_DEREGISTER(iflladdr_event, wlan_ifllevent); return 0; } return EINVAL; } static moduledata_t wlan_mod = { wlanname, wlan_modevent, 0 }; DECLARE_MODULE(wlan, wlan_mod, SI_SUB_DRIVERS, SI_ORDER_FIRST); MODULE_VERSION(wlan, 1); MODULE_DEPEND(wlan, ether, 1, 1, 1); #ifdef IEEE80211_ALQ MODULE_DEPEND(wlan, alq, 1, 1, 1); #endif /* IEEE80211_ALQ */ Index: head/sys/net80211/ieee80211_freebsd.h =================================================================== --- head/sys/net80211/ieee80211_freebsd.h (revision 361884) +++ head/sys/net80211/ieee80211_freebsd.h (revision 361885) @@ -1,676 +1,677 @@ /*- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD * * Copyright (c) 2003-2008 Sam Leffler, Errno Consulting * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * $FreeBSD$ */ #ifndef _NET80211_IEEE80211_FREEBSD_H_ #define _NET80211_IEEE80211_FREEBSD_H_ #ifdef _KERNEL #include #include #include #include #include #include #include #include #include /* * Common state locking definitions. */ typedef struct { char name[16]; /* e.g. "ath0_com_lock" */ struct mtx mtx; } ieee80211_com_lock_t; #define IEEE80211_LOCK_INIT(_ic, _name) do { \ ieee80211_com_lock_t *cl = &(_ic)->ic_comlock; \ snprintf(cl->name, sizeof(cl->name), "%s_com_lock", _name); \ mtx_init(&cl->mtx, cl->name, NULL, MTX_DEF | MTX_RECURSE); \ } while (0) #define IEEE80211_LOCK_OBJ(_ic) (&(_ic)->ic_comlock.mtx) #define IEEE80211_LOCK_DESTROY(_ic) mtx_destroy(IEEE80211_LOCK_OBJ(_ic)) #define IEEE80211_LOCK(_ic) mtx_lock(IEEE80211_LOCK_OBJ(_ic)) #define IEEE80211_UNLOCK(_ic) mtx_unlock(IEEE80211_LOCK_OBJ(_ic)) #define IEEE80211_LOCK_ASSERT(_ic) \ mtx_assert(IEEE80211_LOCK_OBJ(_ic), MA_OWNED) #define IEEE80211_UNLOCK_ASSERT(_ic) \ mtx_assert(IEEE80211_LOCK_OBJ(_ic), MA_NOTOWNED) /* * Transmit lock. * * This is a (mostly) temporary lock designed to serialise all of the * transmission operations throughout the stack. */ typedef struct { char name[16]; /* e.g. "ath0_tx_lock" */ struct mtx mtx; } ieee80211_tx_lock_t; #define IEEE80211_TX_LOCK_INIT(_ic, _name) do { \ ieee80211_tx_lock_t *cl = &(_ic)->ic_txlock; \ snprintf(cl->name, sizeof(cl->name), "%s_tx_lock", _name); \ mtx_init(&cl->mtx, cl->name, NULL, MTX_DEF); \ } while (0) #define IEEE80211_TX_LOCK_OBJ(_ic) (&(_ic)->ic_txlock.mtx) #define IEEE80211_TX_LOCK_DESTROY(_ic) mtx_destroy(IEEE80211_TX_LOCK_OBJ(_ic)) #define IEEE80211_TX_LOCK(_ic) mtx_lock(IEEE80211_TX_LOCK_OBJ(_ic)) #define IEEE80211_TX_UNLOCK(_ic) mtx_unlock(IEEE80211_TX_LOCK_OBJ(_ic)) #define IEEE80211_TX_LOCK_ASSERT(_ic) \ mtx_assert(IEEE80211_TX_LOCK_OBJ(_ic), MA_OWNED) #define IEEE80211_TX_UNLOCK_ASSERT(_ic) \ mtx_assert(IEEE80211_TX_LOCK_OBJ(_ic), MA_NOTOWNED) /* * Stageq / ni_tx_superg lock */ typedef struct { char name[16]; /* e.g. "ath0_ff_lock" */ struct mtx mtx; } ieee80211_ff_lock_t; #define IEEE80211_FF_LOCK_INIT(_ic, _name) do { \ ieee80211_ff_lock_t *fl = &(_ic)->ic_fflock; \ snprintf(fl->name, sizeof(fl->name), "%s_ff_lock", _name); \ mtx_init(&fl->mtx, fl->name, NULL, MTX_DEF); \ } while (0) #define IEEE80211_FF_LOCK_OBJ(_ic) (&(_ic)->ic_fflock.mtx) #define IEEE80211_FF_LOCK_DESTROY(_ic) mtx_destroy(IEEE80211_FF_LOCK_OBJ(_ic)) #define IEEE80211_FF_LOCK(_ic) mtx_lock(IEEE80211_FF_LOCK_OBJ(_ic)) #define IEEE80211_FF_UNLOCK(_ic) mtx_unlock(IEEE80211_FF_LOCK_OBJ(_ic)) #define IEEE80211_FF_LOCK_ASSERT(_ic) \ mtx_assert(IEEE80211_FF_LOCK_OBJ(_ic), MA_OWNED) /* * Node locking definitions. */ typedef struct { char name[16]; /* e.g. "ath0_node_lock" */ struct mtx mtx; } ieee80211_node_lock_t; #define IEEE80211_NODE_LOCK_INIT(_nt, _name) do { \ ieee80211_node_lock_t *nl = &(_nt)->nt_nodelock; \ snprintf(nl->name, sizeof(nl->name), "%s_node_lock", _name); \ mtx_init(&nl->mtx, nl->name, NULL, MTX_DEF | MTX_RECURSE); \ } while (0) #define IEEE80211_NODE_LOCK_OBJ(_nt) (&(_nt)->nt_nodelock.mtx) #define IEEE80211_NODE_LOCK_DESTROY(_nt) \ mtx_destroy(IEEE80211_NODE_LOCK_OBJ(_nt)) #define IEEE80211_NODE_LOCK(_nt) \ mtx_lock(IEEE80211_NODE_LOCK_OBJ(_nt)) #define IEEE80211_NODE_IS_LOCKED(_nt) \ mtx_owned(IEEE80211_NODE_LOCK_OBJ(_nt)) #define IEEE80211_NODE_UNLOCK(_nt) \ mtx_unlock(IEEE80211_NODE_LOCK_OBJ(_nt)) #define IEEE80211_NODE_LOCK_ASSERT(_nt) \ mtx_assert(IEEE80211_NODE_LOCK_OBJ(_nt), MA_OWNED) /* * Power-save queue definitions. */ typedef struct mtx ieee80211_psq_lock_t; #define IEEE80211_PSQ_INIT(_psq, _name) \ mtx_init(&(_psq)->psq_lock, _name, "802.11 ps q", MTX_DEF) #define IEEE80211_PSQ_DESTROY(_psq) mtx_destroy(&(_psq)->psq_lock) #define IEEE80211_PSQ_LOCK(_psq) mtx_lock(&(_psq)->psq_lock) #define IEEE80211_PSQ_UNLOCK(_psq) mtx_unlock(&(_psq)->psq_lock) #ifndef IF_PREPEND_LIST #define _IF_PREPEND_LIST(ifq, mhead, mtail, mcount) do { \ (mtail)->m_nextpkt = (ifq)->ifq_head; \ if ((ifq)->ifq_tail == NULL) \ (ifq)->ifq_tail = (mtail); \ (ifq)->ifq_head = (mhead); \ (ifq)->ifq_len += (mcount); \ } while (0) #define IF_PREPEND_LIST(ifq, mhead, mtail, mcount) do { \ IF_LOCK(ifq); \ _IF_PREPEND_LIST(ifq, mhead, mtail, mcount); \ IF_UNLOCK(ifq); \ } while (0) #endif /* IF_PREPEND_LIST */ /* * Age queue definitions. */ typedef struct mtx ieee80211_ageq_lock_t; #define IEEE80211_AGEQ_INIT(_aq, _name) \ mtx_init(&(_aq)->aq_lock, _name, "802.11 age q", MTX_DEF) #define IEEE80211_AGEQ_DESTROY(_aq) mtx_destroy(&(_aq)->aq_lock) #define IEEE80211_AGEQ_LOCK(_aq) mtx_lock(&(_aq)->aq_lock) #define IEEE80211_AGEQ_UNLOCK(_aq) mtx_unlock(&(_aq)->aq_lock) /* * 802.1x MAC ACL database locking definitions. */ typedef struct mtx acl_lock_t; #define ACL_LOCK_INIT(_as, _name) \ mtx_init(&(_as)->as_lock, _name, "802.11 ACL", MTX_DEF) #define ACL_LOCK_DESTROY(_as) mtx_destroy(&(_as)->as_lock) #define ACL_LOCK(_as) mtx_lock(&(_as)->as_lock) #define ACL_UNLOCK(_as) mtx_unlock(&(_as)->as_lock) #define ACL_LOCK_ASSERT(_as) \ 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) typedef struct mtx ieee80211_scan_iter_lock_t; #define IEEE80211_SCAN_ITER_LOCK_INIT(_st, _name) \ mtx_init(&(_st)->st_scanlock, _name, "802.11 scangen", MTX_DEF) #define IEEE80211_SCAN_ITER_LOCK_DESTROY(_st) mtx_destroy(&(_st)->st_scanlock) #define IEEE80211_SCAN_ITER_LOCK(_st) mtx_lock(&(_st)->st_scanlock) #define IEEE80211_SCAN_ITER_UNLOCK(_st) mtx_unlock(&(_st)->st_scanlock) /* * 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. * * ieee80211_node_initref initialize the reference count to 1 * ieee80211_node_incref add a reference * ieee80211_node_decref remove a reference * ieee80211_node_dectestref remove a reference and return 1 if this * is the last reference, otherwise 0 * ieee80211_node_refcnt reference count for printing (only) */ #include struct ieee80211vap; int ieee80211_com_vincref(struct ieee80211vap *); void ieee80211_com_vdecref(struct ieee80211vap *); void ieee80211_com_vdetach(struct ieee80211vap *); #define ieee80211_node_initref(_ni) \ do { ((_ni)->ni_refcnt = 1); } while (0) #define ieee80211_node_incref(_ni) \ atomic_add_int(&(_ni)->ni_refcnt, 1) #define ieee80211_node_decref(_ni) \ atomic_subtract_int(&(_ni)->ni_refcnt, 1) struct ieee80211_node; int ieee80211_node_dectestref(struct ieee80211_node *ni); #define ieee80211_node_refcnt(_ni) (_ni)->ni_refcnt struct ifqueue; void ieee80211_drain_ifq(struct ifqueue *); void ieee80211_flush_ifq(struct ifqueue *, struct ieee80211vap *); void ieee80211_vap_destroy(struct ieee80211vap *); +const char * ieee80211_get_vap_ifname(struct ieee80211vap *); #define IFNET_IS_UP_RUNNING(_ifp) \ (((_ifp)->if_flags & IFF_UP) && \ ((_ifp)->if_drv_flags & IFF_DRV_RUNNING)) #define msecs_to_ticks(ms) MSEC_2_TICKS(ms) #define ticks_to_msecs(t) TICKS_2_MSEC(t) #define ticks_to_secs(t) ((t) / hz) #define ieee80211_time_after(a,b) ((int)(b) - (int)(a) < 0) #define ieee80211_time_before(a,b) ieee80211_time_after(b,a) #define ieee80211_time_after_eq(a,b) ((int)(a) - (int)(b) >= 0) #define ieee80211_time_before_eq(a,b) ieee80211_time_after_eq(b,a) struct mbuf *ieee80211_getmgtframe(uint8_t **frm, int headroom, int pktlen); /* tx path usage */ #define M_ENCAP M_PROTO1 /* 802.11 encap done */ #define M_EAPOL M_PROTO3 /* PAE/EAPOL frame */ #define M_PWR_SAV M_PROTO4 /* bypass PS handling */ #define M_MORE_DATA M_PROTO5 /* more data frames to follow */ #define M_FF M_PROTO6 /* fast frame / A-MSDU */ #define M_TXCB M_PROTO7 /* do tx complete callback */ #define M_AMPDU_MPDU M_PROTO8 /* ok for A-MPDU aggregation */ #define M_FRAG M_PROTO9 /* frame fragmentation */ #define M_FIRSTFRAG M_PROTO10 /* first frame fragment */ #define M_LASTFRAG M_PROTO11 /* last frame fragment */ #define M_80211_TX \ (M_ENCAP|M_EAPOL|M_PWR_SAV|M_MORE_DATA|M_FF|M_TXCB| \ M_AMPDU_MPDU|M_FRAG|M_FIRSTFRAG|M_LASTFRAG) /* rx path usage */ #define M_AMPDU M_PROTO1 /* A-MPDU subframe */ #define M_WEP M_PROTO2 /* WEP done by hardware */ #if 0 #define M_AMPDU_MPDU M_PROTO8 /* A-MPDU re-order done */ #endif #define M_80211_RX (M_AMPDU|M_WEP|M_AMPDU_MPDU) #define IEEE80211_MBUF_TX_FLAG_BITS \ M_FLAG_BITS \ "\15M_ENCAP\17M_EAPOL\20M_PWR_SAV\21M_MORE_DATA\22M_FF\23M_TXCB" \ "\24M_AMPDU_MPDU\25M_FRAG\26M_FIRSTFRAG\27M_LASTFRAG" #define IEEE80211_MBUF_RX_FLAG_BITS \ M_FLAG_BITS \ "\15M_AMPDU\16M_WEP\24M_AMPDU_MPDU" /* * Store WME access control bits in the vlan tag. * This is safe since it's done after the packet is classified * (where we use any previous tag) and because it's passed * directly in to the driver and there's no chance someone * else will clobber them on us. */ #define M_WME_SETAC(m, ac) \ ((m)->m_pkthdr.ether_vtag = (ac)) #define M_WME_GETAC(m) ((m)->m_pkthdr.ether_vtag) /* * Mbufs on the power save queue are tagged with an age and * timed out. We reuse the hardware checksum field in the * mbuf packet header to store this data. */ #define M_AGE_SET(m,v) (m->m_pkthdr.csum_data = v) #define M_AGE_GET(m) (m->m_pkthdr.csum_data) #define M_AGE_SUB(m,adj) (m->m_pkthdr.csum_data -= adj) /* * Store the sequence number. */ #define M_SEQNO_SET(m, seqno) \ ((m)->m_pkthdr.tso_segsz = (seqno)) #define M_SEQNO_GET(m) ((m)->m_pkthdr.tso_segsz) #define MTAG_ABI_NET80211 1132948340 /* net80211 ABI */ struct ieee80211_cb { void (*func)(struct ieee80211_node *, void *, int status); void *arg; }; #define NET80211_TAG_CALLBACK 0 /* xmit complete callback */ int ieee80211_add_callback(struct mbuf *m, void (*func)(struct ieee80211_node *, void *, int), void *arg); void ieee80211_process_callback(struct ieee80211_node *, struct mbuf *, int); #define NET80211_TAG_XMIT_PARAMS 1 /* See below; this is after the bpf_params definition */ #define NET80211_TAG_RECV_PARAMS 2 #define NET80211_TAG_TOA_PARAMS 3 struct ieee80211com; int ieee80211_parent_xmitpkt(struct ieee80211com *, struct mbuf *); int ieee80211_vap_xmitpkt(struct ieee80211vap *, struct mbuf *); void get_random_bytes(void *, size_t); void ieee80211_sysctl_attach(struct ieee80211com *); void ieee80211_sysctl_detach(struct ieee80211com *); void ieee80211_sysctl_vattach(struct ieee80211vap *); void ieee80211_sysctl_vdetach(struct ieee80211vap *); SYSCTL_DECL(_net_wlan); int ieee80211_sysctl_msecs_ticks(SYSCTL_HANDLER_ARGS); void ieee80211_load_module(const char *); /* * A "policy module" is an adjunct module to net80211 that provides * functionality that typically includes policy decisions. This * modularity enables extensibility and vendor-supplied functionality. */ #define _IEEE80211_POLICY_MODULE(policy, name, version) \ typedef void (*policy##_setup)(int); \ SET_DECLARE(policy##_set, policy##_setup); \ static int \ wlan_##name##_modevent(module_t mod, int type, void *unused) \ { \ policy##_setup * const *iter, f; \ switch (type) { \ case MOD_LOAD: \ SET_FOREACH(iter, policy##_set) { \ f = (void*) *iter; \ f(type); \ } \ return 0; \ case MOD_UNLOAD: \ case MOD_QUIESCE: \ if (nrefs) { \ printf("wlan_" #name ": still in use " \ "(%u dynamic refs)\n", nrefs); \ return EBUSY; \ } \ if (type == MOD_UNLOAD) { \ SET_FOREACH(iter, policy##_set) { \ f = (void*) *iter; \ f(type); \ } \ } \ return 0; \ } \ return EINVAL; \ } \ static moduledata_t name##_mod = { \ "wlan_" #name, \ wlan_##name##_modevent, \ 0 \ }; \ DECLARE_MODULE(wlan_##name, name##_mod, SI_SUB_DRIVERS, SI_ORDER_FIRST);\ MODULE_VERSION(wlan_##name, version); \ MODULE_DEPEND(wlan_##name, wlan, 1, 1, 1) /* * Crypto modules implement cipher support. */ #define IEEE80211_CRYPTO_MODULE(name, version) \ _IEEE80211_POLICY_MODULE(crypto, name, version); \ static void \ name##_modevent(int type) \ { \ if (type == MOD_LOAD) \ ieee80211_crypto_register(&name); \ else \ ieee80211_crypto_unregister(&name); \ } \ TEXT_SET(crypto##_set, name##_modevent) /* * Scanner modules provide scanning policy. */ #define IEEE80211_SCANNER_MODULE(name, version) \ _IEEE80211_POLICY_MODULE(scanner, name, version) #define IEEE80211_SCANNER_ALG(name, alg, v) \ static void \ name##_modevent(int type) \ { \ if (type == MOD_LOAD) \ ieee80211_scanner_register(alg, &v); \ else \ ieee80211_scanner_unregister(alg, &v); \ } \ TEXT_SET(scanner_set, name##_modevent); \ /* * ACL modules implement acl policy. */ #define IEEE80211_ACL_MODULE(name, alg, version) \ _IEEE80211_POLICY_MODULE(acl, name, version); \ static void \ alg##_modevent(int type) \ { \ if (type == MOD_LOAD) \ ieee80211_aclator_register(&alg); \ else \ ieee80211_aclator_unregister(&alg); \ } \ TEXT_SET(acl_set, alg##_modevent); \ /* * Authenticator modules handle 802.1x/WPA authentication. */ #define IEEE80211_AUTH_MODULE(name, version) \ _IEEE80211_POLICY_MODULE(auth, name, version) #define IEEE80211_AUTH_ALG(name, alg, v) \ static void \ name##_modevent(int type) \ { \ if (type == MOD_LOAD) \ ieee80211_authenticator_register(alg, &v); \ else \ ieee80211_authenticator_unregister(alg); \ } \ TEXT_SET(auth_set, name##_modevent) /* * Rate control modules provide tx rate control support. */ #define IEEE80211_RATECTL_MODULE(alg, version) \ _IEEE80211_POLICY_MODULE(ratectl, alg, version); \ #define IEEE80211_RATECTL_ALG(name, alg, v) \ static void \ alg##_modevent(int type) \ { \ if (type == MOD_LOAD) \ ieee80211_ratectl_register(alg, &v); \ else \ ieee80211_ratectl_unregister(alg); \ } \ TEXT_SET(ratectl##_set, alg##_modevent) struct ieee80211req; typedef int ieee80211_ioctl_getfunc(struct ieee80211vap *, struct ieee80211req *); SET_DECLARE(ieee80211_ioctl_getset, ieee80211_ioctl_getfunc); #define IEEE80211_IOCTL_GET(_name, _get) TEXT_SET(ieee80211_ioctl_getset, _get) typedef int ieee80211_ioctl_setfunc(struct ieee80211vap *, struct ieee80211req *); SET_DECLARE(ieee80211_ioctl_setset, ieee80211_ioctl_setfunc); #define IEEE80211_IOCTL_SET(_name, _set) TEXT_SET(ieee80211_ioctl_setset, _set) #endif /* _KERNEL */ /* XXX this stuff belongs elsewhere */ /* * Message formats for messages from the net80211 layer to user * applications via the routing socket. These messages are appended * to an if_announcemsghdr structure. */ struct ieee80211_join_event { uint8_t iev_addr[6]; }; struct ieee80211_leave_event { uint8_t iev_addr[6]; }; struct ieee80211_replay_event { uint8_t iev_src[6]; /* src MAC */ uint8_t iev_dst[6]; /* dst MAC */ uint8_t iev_cipher; /* cipher type */ uint8_t iev_keyix; /* key id/index */ uint64_t iev_keyrsc; /* RSC from key */ uint64_t iev_rsc; /* RSC from frame */ }; struct ieee80211_michael_event { uint8_t iev_src[6]; /* src MAC */ uint8_t iev_dst[6]; /* dst MAC */ uint8_t iev_cipher; /* cipher type */ uint8_t iev_keyix; /* key id/index */ }; struct ieee80211_wds_event { uint8_t iev_addr[6]; }; struct ieee80211_csa_event { uint32_t iev_flags; /* channel flags */ uint16_t iev_freq; /* setting in Mhz */ uint8_t iev_ieee; /* IEEE channel number */ uint8_t iev_mode; /* CSA mode */ uint8_t iev_count; /* CSA count */ }; struct ieee80211_cac_event { uint32_t iev_flags; /* channel flags */ uint16_t iev_freq; /* setting in Mhz */ uint8_t iev_ieee; /* IEEE channel number */ /* XXX timestamp? */ uint8_t iev_type; /* IEEE80211_NOTIFY_CAC_* */ }; struct ieee80211_radar_event { uint32_t iev_flags; /* channel flags */ uint16_t iev_freq; /* setting in Mhz */ uint8_t iev_ieee; /* IEEE channel number */ /* XXX timestamp? */ }; struct ieee80211_auth_event { uint8_t iev_addr[6]; }; struct ieee80211_deauth_event { uint8_t iev_addr[6]; }; struct ieee80211_country_event { uint8_t iev_addr[6]; uint8_t iev_cc[2]; /* ISO country code */ }; struct ieee80211_radio_event { uint8_t iev_state; /* 1 on, 0 off */ }; #define RTM_IEEE80211_ASSOC 100 /* station associate (bss mode) */ #define RTM_IEEE80211_REASSOC 101 /* station re-associate (bss mode) */ #define RTM_IEEE80211_DISASSOC 102 /* station disassociate (bss mode) */ #define RTM_IEEE80211_JOIN 103 /* station join (ap mode) */ #define RTM_IEEE80211_LEAVE 104 /* station leave (ap mode) */ #define RTM_IEEE80211_SCAN 105 /* scan complete, results available */ #define RTM_IEEE80211_REPLAY 106 /* sequence counter replay detected */ #define RTM_IEEE80211_MICHAEL 107 /* Michael MIC failure detected */ #define RTM_IEEE80211_REJOIN 108 /* station re-associate (ap mode) */ #define RTM_IEEE80211_WDS 109 /* WDS discovery (ap mode) */ #define RTM_IEEE80211_CSA 110 /* Channel Switch Announcement event */ #define RTM_IEEE80211_RADAR 111 /* radar event */ #define RTM_IEEE80211_CAC 112 /* Channel Availability Check event */ #define RTM_IEEE80211_DEAUTH 113 /* station deauthenticate */ #define RTM_IEEE80211_AUTH 114 /* station authenticate (ap mode) */ #define RTM_IEEE80211_COUNTRY 115 /* discovered country code (sta mode) */ #define RTM_IEEE80211_RADIO 116 /* RF kill switch state change */ /* * Structure prepended to raw packets sent through the bpf * interface when set to DLT_IEEE802_11_RADIO. This allows * user applications to specify pretty much everything in * an Atheros tx descriptor. XXX need to generalize. * * XXX cannot be more than 14 bytes as it is copied to a sockaddr's * XXX sa_data area. */ struct ieee80211_bpf_params { uint8_t ibp_vers; /* version */ #define IEEE80211_BPF_VERSION 0 uint8_t ibp_len; /* header length in bytes */ uint8_t ibp_flags; #define IEEE80211_BPF_SHORTPRE 0x01 /* tx with short preamble */ #define IEEE80211_BPF_NOACK 0x02 /* tx with no ack */ #define IEEE80211_BPF_CRYPTO 0x04 /* tx with h/w encryption */ #define IEEE80211_BPF_FCS 0x10 /* frame incldues FCS */ #define IEEE80211_BPF_DATAPAD 0x20 /* frame includes data padding */ #define IEEE80211_BPF_RTS 0x40 /* tx with RTS/CTS */ #define IEEE80211_BPF_CTS 0x80 /* tx with CTS only */ uint8_t ibp_pri; /* WME/WMM AC+tx antenna */ uint8_t ibp_try0; /* series 1 try count */ uint8_t ibp_rate0; /* series 1 IEEE tx rate */ uint8_t ibp_power; /* tx power (device units) */ uint8_t ibp_ctsrate; /* IEEE tx rate for CTS */ uint8_t ibp_try1; /* series 2 try count */ uint8_t ibp_rate1; /* series 2 IEEE tx rate */ uint8_t ibp_try2; /* series 3 try count */ uint8_t ibp_rate2; /* series 3 IEEE tx rate */ uint8_t ibp_try3; /* series 4 try count */ uint8_t ibp_rate3; /* series 4 IEEE tx rate */ }; #ifdef _KERNEL struct ieee80211_tx_params { struct ieee80211_bpf_params params; }; int ieee80211_add_xmit_params(struct mbuf *m, const struct ieee80211_bpf_params *); int ieee80211_get_xmit_params(struct mbuf *m, struct ieee80211_bpf_params *); struct ieee80211_rx_params; struct ieee80211_rx_stats; int ieee80211_add_rx_params(struct mbuf *m, const struct ieee80211_rx_stats *rxs); int ieee80211_get_rx_params(struct mbuf *m, struct ieee80211_rx_stats *rxs); const struct ieee80211_rx_stats * ieee80211_get_rx_params_ptr(struct mbuf *m); struct ieee80211_toa_params { int request_id; }; int ieee80211_add_toa_params(struct mbuf *m, const struct ieee80211_toa_params *p); int ieee80211_get_toa_params(struct mbuf *m, struct ieee80211_toa_params *p); #define IEEE80211_F_SURVEY_TIME 0x00000001 #define IEEE80211_F_SURVEY_TIME_BUSY 0x00000002 #define IEEE80211_F_SURVEY_NOISE_DBM 0x00000004 #define IEEE80211_F_SURVEY_TSC 0x00000008 struct ieee80211_channel_survey { uint32_t s_flags; uint32_t s_time; uint32_t s_time_busy; int32_t s_noise; uint64_t s_tsc; }; #endif /* _KERNEL */ /* * Malloc API. Other BSD operating systems have slightly * different malloc/free namings (eg DragonflyBSD.) */ #define IEEE80211_MALLOC malloc #define IEEE80211_FREE free /* XXX TODO: get rid of WAITOK, fix all the users of it? */ #define IEEE80211_M_NOWAIT M_NOWAIT #define IEEE80211_M_WAITOK M_WAITOK #define IEEE80211_M_ZERO M_ZERO /* XXX TODO: the type fields */ #endif /* _NET80211_IEEE80211_FREEBSD_H_ */