diff options
Diffstat (limited to 'freebsd/sys/net80211/ieee80211_ioctl.c')
| -rw-r--r-- | freebsd/sys/net80211/ieee80211_ioctl.c | 107 |
1 files changed, 83 insertions, 24 deletions
diff --git a/freebsd/sys/net80211/ieee80211_ioctl.c b/freebsd/sys/net80211/ieee80211_ioctl.c index 52712514..0396e8be 100644 --- a/freebsd/sys/net80211/ieee80211_ioctl.c +++ b/freebsd/sys/net80211/ieee80211_ioctl.c @@ -2206,18 +2206,6 @@ ieee80211_ioctl_setregdomain(struct ieee80211vap *vap, } static int -ieee80211_ioctl_setroam(struct ieee80211vap *vap, - const struct ieee80211req *ireq) -{ - if (ireq->i_len != sizeof(vap->iv_roamparms)) - return EINVAL; - /* XXX validate params */ - /* XXX? ENETRESET to push to device? */ - return copyin(ireq->i_data, vap->iv_roamparms, - sizeof(vap->iv_roamparms)); -} - -static int checkrate(const struct ieee80211_rateset *rs, int rate) { int i; @@ -2247,6 +2235,73 @@ checkmcs(const struct ieee80211_htrateset *rs, int mcs) } static int +ieee80211_ioctl_setroam(struct ieee80211vap *vap, + const struct ieee80211req *ireq) +{ + struct ieee80211com *ic = vap->iv_ic; + struct ieee80211_roamparams_req *parms; + struct ieee80211_roamparam *src, *dst; + const struct ieee80211_htrateset *rs_ht; + const struct ieee80211_rateset *rs; + int changed, error, mode, is11n, nmodes; + + if (ireq->i_len != sizeof(vap->iv_roamparms)) + return EINVAL; + + parms = IEEE80211_MALLOC(sizeof(*parms), M_TEMP, + IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); + if (parms == NULL) + return ENOMEM; + + error = copyin(ireq->i_data, parms, ireq->i_len); + if (error != 0) + goto fail; + + changed = 0; + nmodes = IEEE80211_MODE_MAX; + + /* validate parameters and check if anything changed */ + for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { + if (isclr(ic->ic_modecaps, mode)) + continue; + src = &parms->params[mode]; + dst = &vap->iv_roamparms[mode]; + rs = &ic->ic_sup_rates[mode]; /* NB: 11n maps to legacy */ + rs_ht = &ic->ic_sup_htrates; + is11n = (mode == IEEE80211_MODE_11NA || + mode == IEEE80211_MODE_11NG); + /* XXX TODO: 11ac */ + if (src->rate != dst->rate) { + if (!checkrate(rs, src->rate) && + (!is11n || !checkmcs(rs_ht, src->rate))) { + error = EINVAL; + goto fail; + } + changed++; + } + if (src->rssi != dst->rssi) + changed++; + } + if (changed) { + /* + * Copy new parameters in place and notify the + * driver so it can push state to the device. + */ + /* XXX locking? */ + for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { + if (isset(ic->ic_modecaps, mode)) + vap->iv_roamparms[mode] = parms->params[mode]; + } + + if (vap->iv_roaming == IEEE80211_ROAMING_DEVICE) + error = ERESTART; + } + +fail: IEEE80211_FREE(parms, M_TEMP); + return error; +} + +static int ieee80211_ioctl_settxparams(struct ieee80211vap *vap, const struct ieee80211req *ireq) { @@ -2517,20 +2572,12 @@ ieee80211_scanreq(struct ieee80211vap *vap, struct ieee80211_scan_req *sr) sr->sr_duration > IEEE80211_IOC_SCAN_DURATION_MAX) return EINVAL; sr->sr_duration = msecs_to_ticks(sr->sr_duration); - if (sr->sr_duration < 1) - sr->sr_duration = 1; } /* convert min/max channel dwell */ - if (sr->sr_mindwell != 0) { + if (sr->sr_mindwell != 0) sr->sr_mindwell = msecs_to_ticks(sr->sr_mindwell); - if (sr->sr_mindwell < 1) - sr->sr_mindwell = 1; - } - if (sr->sr_maxdwell != 0) { + if (sr->sr_maxdwell != 0) sr->sr_maxdwell = msecs_to_ticks(sr->sr_maxdwell); - if (sr->sr_maxdwell < 1) - sr->sr_maxdwell = 1; - } /* NB: silently reduce ssid count to what is supported */ if (sr->sr_nssid > IEEE80211_SCAN_MAX_SSID) sr->sr_nssid = IEEE80211_SCAN_MAX_SSID; @@ -3482,10 +3529,14 @@ ieee80211_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) { struct ieee80211vap *vap = ifp->if_softc; struct ieee80211com *ic = vap->iv_ic; - int error = 0, wait = 0; + int error = 0, wait = 0, ic_used; struct ifreq *ifr; struct ifaddr *ifa; /* XXX */ + ic_used = (cmd != SIOCSIFMTU && cmd != SIOCG80211STATS); + if (ic_used && (error = ieee80211_com_vincref(vap)) != 0) + return (error); + switch (cmd) { case SIOCSIFFLAGS: IEEE80211_LOCK(ic); @@ -3539,9 +3590,13 @@ ieee80211_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) /* * Check if the MAC address was changed * via SIOCSIFLLADDR ioctl. + * + * NB: device may be detached during initialization; + * use if_ioctl for existence check. */ if_addr_rlock(ifp); - if ((ifp->if_flags & IFF_UP) == 0 && + if (ifp->if_ioctl == ieee80211_ioctl && + (ifp->if_flags & IFF_UP) == 0 && !IEEE80211_ADDR_EQ(vap->iv_myaddr, IF_LLADDR(ifp))) IEEE80211_ADDR_COPY(vap->iv_myaddr, IF_LLADDR(ifp)); @@ -3618,5 +3673,9 @@ ieee80211_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) error = ether_ioctl(ifp, cmd, data); break; } + + if (ic_used) + ieee80211_com_vdecref(vap); + return (error); } |