Author: avos Date: Thu May 26 11:12:36 2016 New Revision: 300732 URL: https://svnweb.freebsd.org/changeset/base/300732
Log: iwn: add watchdog for scanning. Restart device if scanning was not done in time. Tested by: da...@catwhisker.org PR: 209198 Differential Revision: https://reviews.freebsd.org/D6176 Modified: head/sys/dev/iwn/if_iwn.c head/sys/dev/iwn/if_iwnvar.h Modified: head/sys/dev/iwn/if_iwn.c ============================================================================== --- head/sys/dev/iwn/if_iwn.c Thu May 26 11:10:31 2016 (r300731) +++ head/sys/dev/iwn/if_iwn.c Thu May 26 11:12:36 2016 (r300732) @@ -235,6 +235,7 @@ static void iwn_xmit_task(void *arg0, in static int iwn_raw_xmit(struct ieee80211_node *, struct mbuf *, const struct ieee80211_bpf_params *); static int iwn_transmit(struct ieee80211com *, struct mbuf *); +static void iwn_scan_timeout(void *); static void iwn_watchdog(void *); static int iwn_ioctl(struct ieee80211com *, u_long , void *); static void iwn_parent(struct ieee80211com *); @@ -675,6 +676,7 @@ iwn_attach(device_t dev) iwn_radiotap_attach(sc); callout_init_mtx(&sc->calib_to, &sc->sc_mtx, 0); + callout_init_mtx(&sc->scan_timeout, &sc->sc_mtx, 0); callout_init_mtx(&sc->watchdog_to, &sc->sc_mtx, 0); TASK_INIT(&sc->sc_radioon_task, 0, iwn_radio_on, sc); TASK_INIT(&sc->sc_radiooff_task, 0, iwn_radio_off, sc); @@ -1406,6 +1408,7 @@ iwn_detach(device_t dev) taskqueue_free(sc->sc_tq); callout_drain(&sc->watchdog_to); + callout_drain(&sc->scan_timeout); callout_drain(&sc->calib_to); ieee80211_ifdetach(&sc->sc_ic); } @@ -3937,6 +3940,7 @@ iwn_notif_intr(struct iwn_softc *sc) scan->nchan, scan->status, scan->chan); #endif sc->sc_is_scanning = 0; + callout_stop(&sc->scan_timeout); IWN_UNLOCK(sc); ieee80211_scan_next(vap); IWN_LOCK(sc); @@ -4955,6 +4959,16 @@ iwn_transmit(struct ieee80211com *ic, st } static void +iwn_scan_timeout(void *arg) +{ + struct iwn_softc *sc = arg; + struct ieee80211com *ic = &sc->sc_ic; + + ic_printf(ic, "scan timeout\n"); + ieee80211_restart_all(ic); +} + +static void iwn_watchdog(void *arg) { struct iwn_softc *sc = arg; @@ -6972,6 +6986,8 @@ iwn_scan(struct iwn_softc *sc, struct ie hdr->nchan); error = iwn_cmd(sc, IWN_CMD_SCAN, buf, buflen, 1); free(buf, M_DEVBUF); + if (error == 0) + callout_reset(&sc->scan_timeout, 5*hz, iwn_scan_timeout, sc); DPRINTF(sc, IWN_DEBUG_TRACE, "->%s: end\n",__func__); Modified: head/sys/dev/iwn/if_iwnvar.h ============================================================================== --- head/sys/dev/iwn/if_iwnvar.h Thu May 26 11:10:31 2016 (r300731) +++ head/sys/dev/iwn/if_iwnvar.h Thu May 26 11:12:36 2016 (r300732) @@ -317,6 +317,7 @@ struct iwn_softc { int calib_cnt; struct iwn_calib_state calib; int last_calib_ticks; + struct callout scan_timeout; struct callout watchdog_to; struct iwn_fw_info fw; struct iwn_calib_info calibcmd[IWN5000_PHY_CALIB_MAX_RESULT]; @@ -378,7 +379,6 @@ struct iwn_softc { uint8_t chainmask; int sc_tx_timer; - int sc_scan_timer; /* Are we doing a scan? */ int sc_is_scanning; _______________________________________________ svn-src-all@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
