1 /* $NetBSD: if_agrmonitor.c,v 1.5 2017/01/28 22:56:09 maya Exp $ */ 2 3 /*- 4 * Copyright (c)2005 YAMAMOTO Takashi, 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #include <sys/cdefs.h> 30 __KERNEL_RCSID(0, "$NetBSD: if_agrmonitor.c,v 1.5 2017/01/28 22:56:09 maya Exp $"); 31 32 #include <sys/param.h> 33 #include <sys/callout.h> 34 #include <sys/systm.h> 35 36 #include <net/if.h> 37 #include <net/if_media.h> 38 39 #include <net/agr/if_agrvar_impl.h> 40 #include <net/agr/if_agrsubr.h> 41 42 void 43 agrport_monitor(struct agr_port *port) 44 { 45 struct agr_softc *sc = AGR_SC_FROM_PORT(port); 46 u_int media; 47 u_int status; 48 49 media = IFM_ETHER | IFM_NONE; 50 status = IFM_AVALID; 51 if ((~port->port_ifp->if_flags & (IFF_RUNNING | IFF_UP)) 52 == 0) { 53 int error; 54 55 error = agr_port_getmedia(port, &media, &status); 56 if (error) { 57 #if defined(DEBUG) 58 printf("getmedia: error %d\n", error); 59 #endif /* defined(DEBUG) */ 60 } 61 } 62 63 if ((status & (IFM_AVALID | IFM_ACTIVE)) == IFM_AVALID) { 64 media = IFM_ETHER | IFM_NONE; /* XXX ether */ 65 } 66 67 if (media == IFM_NONE) { 68 /* 69 * possible eg. when the phy is not configured. 70 */ 71 #if defined(DEBUG) 72 printf("%s: IFM_NONE\n", __func__); 73 #endif /* defined(DEBUG) */ 74 media = IFM_ETHER | IFM_NONE; /* XXX ether */ 75 } 76 77 if (port->port_media == media) { 78 return; 79 } 80 81 port->port_media = media; 82 if (sc->sc_iftop->iftop_portstate) { 83 (*sc->sc_iftop->iftop_portstate)(port); 84 } 85 } 86