/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License (the "License"). * You may not use this file except in compliance with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* * Copyright 2007 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ #pragma ident "%Z%%M% %I% %E% SMI" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include /* * Debug Macros */ int strplumbdebug = 0; #define DBG0(_f) \ if (strplumbdebug != 0) \ printf("strplumb: " _f) #define DBG1(_f, _a) \ if (strplumbdebug != 0) \ printf("strplumb: " _f, (_a)) #define DBG2(_f, _a, _b) \ if (strplumbdebug != 0) \ printf("strplumb: " _f, (_a), (_b)) #define DBG3(_f, _a, _b, _c) \ if (strplumbdebug != 0) \ printf("strplumb: " _f, (_a), (_b), (_c)) /* * Module linkage information for the kernel. */ #define STRPLUMB_IDENT "STREAMS Plumbing Module" static struct modlmisc modlmisc = { &mod_miscops, STRPLUMB_IDENT }; static struct modlinkage modlinkage = { MODREV_1, &modlmisc, NULL }; int _init(void) { return (mod_install(&modlinkage)); } int _fini(void) { return (mod_remove(&modlinkage)); } int _info(struct modinfo *modinfop) { return (mod_info(&modlinkage, modinfop)); } #define ARP "arp" #define TCP "tcp" #define TCP6 "tcp6" #define UDP "udp" #define UDP6 "udp6" #define SCTP "sctp" #define SCTP6 "sctp6" #define ICMP "icmp" #define ICMP6 "icmp6" #define IP "ip" #define IP6 "ip6" #define TIMOD "timod" #define UDPDEV "/devices/pseudo/udp@0:udp" #define TCP6DEV "/devices/pseudo/tcp6@0:tcp6" #define SCTP6DEV "/devices/pseudo/sctp6@0:sctp6" #define IP6DEV "/devices/pseudo/ip6@0:ip6" typedef struct strplumb_modspec { char *sm_type; char *sm_name; } strplumb_modspec_t; static strplumb_modspec_t strplumb_modlist[] = { { "drv", DLD_DRIVER_NAME }, { "drv", IP }, { "drv", IP6 }, { "drv", TCP }, { "drv", TCP6 }, { "drv", UDP }, { "drv", UDP6 }, { "drv", SCTP }, { "drv", SCTP6 }, { "drv", ICMP }, { "drv", ICMP6 }, { "drv", ARP }, { "strmod", TIMOD } }; /* * Called from swapgeneric.c:loadrootmodules() in the network boot case. */ int strplumb_load(void) { uint_t i; strplumb_modspec_t *p; DBG0("loading modules\n"); for (i = 0, p = strplumb_modlist; i < sizeof (strplumb_modlist) / sizeof (strplumb_modlist[0]); i++, p++) { if (modloadonly(p->sm_type, p->sm_name) < 0) { printf("strplumb: failed to load %s/%s\n", p->sm_type, p->sm_name); return (EFAULT); } } return (0); } static int strplumb_init(void) { uint_t i; strplumb_modspec_t *p; int err; DBG0("initializing modules\n"); for (i = 0, p = strplumb_modlist; i < sizeof (strplumb_modlist) / sizeof (strplumb_modlist[0]); i++, p++) { if (strcmp(p->sm_type, "drv") == 0) err = (i_ddi_attach_pseudo_node(p->sm_name) != NULL) ? 0 : EFAULT; else err = (modload(p->sm_type, p->sm_name) < 0) ? EFAULT : 0; if (err != 0) { printf("strplumb: failed to initialize %s/%s\n", p->sm_type, p->sm_name); return (err); } } return (0); } static int strplumb_autopush(void) { major_t maj; minor_t min; char *mods[5]; uint_t anchor = 1; int err; min = (minor_t)-1; mods[1] = NULL; /* * ARP */ DBG0("setting up arp autopush\n"); mods[0] = ARP; maj = ddi_name_to_major(ARP); if ((err = kstr_autopush(SET_AUTOPUSH, &maj, &min, NULL, &anchor, mods)) != 0) { printf("strplumb: kstr_autopush(SET/ARP) failed: %d\n", err); return (err); } return (0); } static int strplumb_sctpq(ldi_ident_t li) { ldi_handle_t lh = NULL; int err; int rval; DBG0("configuring SCTP default queue\n"); if ((err = ldi_open_by_name(SCTP6DEV, FREAD|FWRITE, CRED(), &lh, li)) != 0) { printf("strplumb: open of SCTP6DEV failed: %d\n", err); return (err); } if ((err = ldi_ioctl(lh, SCTP_IOC_DEFAULT_Q, (intptr_t)0, FKIOCTL, CRED(), &rval)) != 0) { printf("strplumb: failed to set SCTP default queue: %d\n", err); (void) ldi_close(lh, FREAD|FWRITE, CRED()); return (err); } return (0); } static int strplumb_tcpq(ldi_ident_t li) { ldi_handle_t lh = NULL; ldi_handle_t ip_lh = NULL; int err; int rval; DBG0("configuring TCP default queue\n"); /* * We open IP6DEV here because we need to have it open to in * order to open TCP6DEV successfully. */ if ((err = ldi_open_by_name(IP6DEV, FREAD|FWRITE, CRED(), &ip_lh, li)) != 0) { printf("strplumb: open of IP6DEV failed: %d\n", err); return (err); } /* * We set the tcp default queue to IPv6 because IPv4 falls back to * IPv6 when it can't find a client, but IPv6 does not fall back to * IPv4. */ if ((err = ldi_open_by_name(TCP6DEV, FREAD|FWRITE, CRED(), &lh, li)) != 0) { printf("strplumb: open of TCP6DEV failed: %d\n", err); goto done; } if ((err = ldi_ioctl(lh, TCP_IOC_DEFAULT_Q, (intptr_t)0, FKIOCTL, CRED(), &rval)) != 0) { printf("strplumb: failed to set TCP default queue: %d\n", err); goto done; } done: (void) ldi_close(ip_lh, FREAD|FWRITE, CRED()); return (err); } /* * Can be set in /etc/system in the case of local booting. See comment below. */ char *ndev_name = 0; int ndev_unit = 0; /* * If we booted diskless then strplumb() will have been called from * swapgeneric.c:rootconf(). All we can do in that case is plumb the * network device that we booted from. * * If we booted from a local disk, we will have been called from main(), * and normally we defer the plumbing of interfaces until network/physical. * This can be overridden by setting "ndev_name" in /etc/system. */ static int resolve_boot_path(void) { char *devpath; dev_info_t *dip; const char *driver; int instance; #ifdef _OBP char stripped_path[OBP_MAXPATHLEN]; #endif if (strncmp(rootfs.bo_fstype, "nfs", 3) == 0) devpath = rootfs.bo_name; else devpath = strplumb_get_netdev_path(); if (devpath != NULL) { DBG1("resolving boot-path: %s\n", devpath); #ifdef _OBP /* * OBP passes options e.g, "net:dhcp" * remove them here */ prom_strip_options(devpath, stripped_path); devpath = stripped_path; #endif /* * Hold the devi since this is the root device. */ if ((dip = e_ddi_hold_devi_by_path(devpath, 0)) == NULL) { printf("strplumb: unable to hold root device: %s\n", devpath); return (ENXIO); } driver = ddi_driver_name(dip); instance = ddi_get_instance(dip); } else { if (ndev_name == NULL) return (ENODEV); DBG2("using ndev_name (%s) ndev_unit (%d)\n", ndev_name, ndev_unit); if (i_ddi_attach_hw_nodes(ndev_name) != DDI_SUCCESS) { printf("strplumb: cannot load ndev_name '%s'\n", ndev_name); return (ENXIO); } driver = ndev_name; instance = ndev_unit; } (void) snprintf(rootfs.bo_devname, BO_MAXOBJNAME, "/devices/pseudo/clone@0:%s", driver); (void) snprintf(rootfs.bo_ifname, BO_MAXOBJNAME, "%s%d", driver, instance); rootfs.bo_ppa = instance; return (0); } static int getifflags(ldi_handle_t lh, struct lifreq *lifrp) { struct strioctl iocb; int rval; iocb.ic_cmd = SIOCGLIFFLAGS; iocb.ic_timout = 15; iocb.ic_len = sizeof (struct lifreq); iocb.ic_dp = (char *)lifrp; return (ldi_ioctl(lh, I_STR, (intptr_t)&iocb, FKIOCTL, CRED(), &rval)); } static int setifname(ldi_handle_t lh, struct lifreq *lifrp) { struct strioctl iocb; int rval; iocb.ic_cmd = SIOCSLIFNAME; iocb.ic_timout = 15; iocb.ic_len = sizeof (struct lifreq); iocb.ic_dp = (char *)lifrp; return (ldi_ioctl(lh, I_STR, (intptr_t)&iocb, FKIOCTL, CRED(), &rval)); } static int strplumb_dev(ldi_ident_t li) { ldi_handle_t lh = NULL; ldi_handle_t mux_lh = NULL; int err; struct lifreq lifr; struct ifreq ifr; int rval; bzero(&lifr, sizeof (struct lifreq)); bzero(&ifr, sizeof (ifr)); /* * Now set up the links. Ultimately, we should have two streams * permanently linked underneath UDP (which is actually IP with UDP * autopushed). One stream consists of the ARP-[ifname] combination, * while the other consists of ARP-IP-[ifname]. The second combination * seems a little weird, but is linked underneath UDP just to keep it * around. * * We pin underneath UDP here to match what is done in ifconfig(1m); * otherwise, ifconfig will be unable to unplumb the stream (the major * number and mux id must both match for a successful I_PUNLINK). * * There are subtleties in the plumbing which make it essential to * follow the logic used in ifconfig(1m) very closely. */ /* * Plumb UDP-ARP-IP- */ if ((err = ldi_open_by_name(rootfs.bo_devname, FREAD|FWRITE, CRED(), &lh, li)) != 0) { printf("strplumb: open %s failed: %d\n", rootfs.bo_devname, err); goto done; } if ((err = ldi_ioctl(lh, I_PUSH, (intptr_t)IP, FKIOCTL, CRED(), &rval)) != 0) { printf("strplumb: push IP failed: %d\n", err); goto done; } if ((err = getifflags(lh, &lifr)) != 0) goto done; lifr.lifr_flags |= IFF_IPV4; lifr.lifr_flags &= ~IFF_IPV6; if ((err = ldi_ioctl(lh, I_PUSH, (intptr_t)ARP, FKIOCTL, CRED(), &rval)) != 0) { printf("strplumb: push ARP failed: %d\n", err); goto done; } (void) strlcpy(lifr.lifr_name, rootfs.bo_ifname, sizeof (lifr.lifr_name)); lifr.lifr_ppa = rootfs.bo_ppa; if ((err = setifname(lh, &lifr)) != 0) goto done; /* Get the flags and check if ARP is needed */ if ((err = getifflags(lh, &lifr)) != 0) { printf("strplumb: getifflags %s IP failed, error %d\n", lifr.lifr_name, err); goto done; } /* Pop out ARP if not needed */ if (lifr.lifr_flags & IFF_NOARP) { err = ldi_ioctl(lh, I_POP, (intptr_t)0, FKIOCTL, CRED(), &rval); if (err != 0) { printf("strplumb: pop ARP failed, error %d\n", err); goto done; } } if ((err = ldi_open_by_name(UDPDEV, FREAD|FWRITE, CRED(), &mux_lh, li)) != 0) { printf("strplumb: open of UDPDEV failed: %d\n", err); goto done; } if ((err = ldi_ioctl(mux_lh, I_PLINK, (intptr_t)lh, FREAD|FWRITE|FNOCTTY|FKIOCTL, CRED(), &(ifr.ifr_ip_muxid))) != 0) { printf("strplumb: plink UDP-ARP-IP-%s failed: %d\n", rootfs.bo_ifname, err); goto done; } DBG2("UDP-ARP-IP-%s muxid: %d\n", rootfs.bo_ifname, ifr.ifr_ip_muxid); (void) ldi_close(lh, FREAD|FWRITE, CRED()); lh = NULL; /* * Plumb UDP-ARP- */ if ((err = ldi_open_by_name(rootfs.bo_devname, FREAD|FWRITE, CRED(), &lh, li)) != 0) { printf("strplumb: open %s failed: %d\n", rootfs.bo_devname, err); goto done; } if ((err = ldi_ioctl(lh, I_PUSH, (intptr_t)ARP, FKIOCTL, CRED(), &rval)) != 0) { printf("strplumb: push ARP failed: %d\n", err); goto done; } if ((err = setifname(lh, &lifr)) != 0) goto done; if ((err = ldi_ioctl(mux_lh, I_PLINK, (intptr_t)lh, FREAD|FWRITE|FNOCTTY|FKIOCTL, CRED(), &(ifr.ifr_arp_muxid))) != 0) { printf("strplumb: plink UDP-ARP-%s failed: %d\n", rootfs.bo_ifname, err); goto done; } DBG2("UDP-ARP-%s muxid: %d\n", rootfs.bo_ifname, ifr.ifr_arp_muxid); /* * Cache the mux ids. */ (void) strlcpy(ifr.ifr_name, rootfs.bo_ifname, sizeof (ifr.ifr_name)); if ((err = ldi_ioctl(mux_lh, SIOCSIFMUXID, (intptr_t)&ifr, FKIOCTL, CRED(), &rval)) != 0) { printf("strplumb: SIOCSIFMUXID failed: %d\n", err); goto done; } done: if (lh != NULL) (void) ldi_close(lh, FREAD|FWRITE, CRED()); if (mux_lh != NULL) (void) ldi_close(mux_lh, FREAD|FWRITE, CRED()); return (err); } /* * Do streams plumbing for internet protocols. */ int strplumb(void) { ldi_ident_t li; int err; if ((err = strplumb_init()) != 0) return (err); if ((err = strplumb_autopush()) != 0) return (err); if ((err = ldi_ident_from_mod(&modlinkage, &li)) != 0) return (err); /* * Setup the TCP and SCTP default queues for the global stack. * tcp/sctp_stack_init will do this for additional stack instances. */ if ((err = strplumb_sctpq(li)) != 0) goto done; if ((err = strplumb_tcpq(li)) != 0) goto done; if ((err = resolve_boot_path()) != 0) goto done; DBG1("rootfs.bo_devname: %s\n", rootfs.bo_devname); DBG1("rootfs.bo_ifname: %s\n", rootfs.bo_ifname); DBG1("rootfs.bo_ppa: %d\n", rootfs.bo_ppa); if ((err = strplumb_dev(li)) != 0) goto done; done: ldi_ident_release(li); return (err); } /* multiboot: diskless boot interface discovery */ #ifndef _OBP static uchar_t boot_macaddr[16]; static int boot_maclen; static uchar_t *getmacaddr(dev_info_t *dip, int *maclen); static int matchmac(dev_info_t *dip, void *arg); int dl_attach(ldi_handle_t lh, int unit); int dl_bind(ldi_handle_t lh, uint_t sap, uint_t max_conn, uint_t service, uint_t conn_mgmt); int dl_phys_addr(ldi_handle_t lh, struct ether_addr *eaddr); #endif /* !_OBP */ char * strplumb_get_netdev_path(void) { #ifdef _OBP char fstype[OBP_MAXPROPNAME]; if (bop_getprop("fstype", fstype) == -1) return (NULL); if (strncmp(fstype, "nfs", 3) == 0) return (prom_bootpath()); else return (NULL); #else char *macstr, *devpath = NULL; uchar_t *bootp; uint_t bootp_len; if (ddi_prop_lookup_string(DDI_DEV_T_ANY, ddi_root_node(), DDI_PROP_DONTPASS, BP_BOOT_MAC, &macstr) == DDI_SUCCESS) { /* * hard coded ether mac len for booting floppy on * machines with old cards */ boot_maclen = ether_aton(macstr, boot_macaddr); if (boot_maclen != 6) { cmn_err(CE_WARN, "malformed boot_mac property, %d bytes", boot_maclen); } ddi_prop_free(macstr); } else if (ddi_prop_lookup_byte_array(DDI_DEV_T_ANY, ddi_root_node(), DDI_PROP_DONTPASS, BP_BOOTP_RESPONSE, &bootp, &bootp_len) == DDI_SUCCESS) { /* * These offsets are defined by dhcp standard * Should use structure offsets */ boot_maclen = *(bootp + 2); ASSERT(boot_maclen <= 16); bcopy(bootp + 28, boot_macaddr, boot_maclen); dhcack = kmem_alloc(bootp_len, KM_SLEEP); bcopy(bootp, dhcack, bootp_len); dhcacklen = bootp_len; ddi_prop_free(bootp); } else return (NULL); ddi_walk_devs(ddi_root_node(), matchmac, (void *)&devpath); return (devpath); #endif /* _OBP */ } #ifndef _OBP /* * Get boot path from the boot_mac address */ /*ARGSUSED*/ static int matchmac(dev_info_t *dip, void *arg) { char **devpathp = (char **)arg; char *model_str; uchar_t *macaddr; int maclen; /* XXX Should use "device-type" per IEEE 1275 */ if (ddi_prop_lookup_string(DDI_DEV_T_ANY, dip, 0, "model", &model_str) != DDI_SUCCESS) return (DDI_WALK_CONTINUE); if (strcmp(model_str, "Ethernet controller") != 0) { ddi_prop_free(model_str); return (DDI_WALK_CONTINUE); } ddi_prop_free(model_str); /* We have a network device now */ if (i_ddi_attach_node_hierarchy(dip) != DDI_SUCCESS) { return (DDI_WALK_CONTINUE); } ASSERT(boot_maclen != 0); macaddr = getmacaddr(dip, &maclen); if (macaddr == NULL) return (DDI_WALK_CONTINUE); if (maclen != boot_maclen || bcmp(macaddr, boot_macaddr, maclen) != 0) { kmem_free(macaddr, maclen); return (DDI_WALK_CONTINUE); } /* found hardware with the mac address */ (void) localetheraddr((struct ether_addr *)macaddr, NULL); kmem_free(macaddr, maclen); *devpathp = kmem_alloc(MAXPATHLEN, KM_SLEEP); (void) ddi_pathname(dip, *devpathp); /* fill in dhcifname */ if (dhcack) { (void) snprintf(dhcifname, IFNAMSIZ, "%s%d", ddi_driver_name(dip), i_ddi_devi_get_ppa(dip)); } return (DDI_WALK_TERMINATE); } static uchar_t * getmacaddr_gldv3(char *drv, int inst, int *maclenp) { char ifname[16]; mac_handle_t mh; uchar_t *macaddr; (void) snprintf(ifname, sizeof (ifname), "%s%d", drv, inst); if (mac_open(ifname, &mh) < 0) { return (NULL); } *maclenp = sizeof (struct ether_addr); macaddr = kmem_alloc(*maclenp, KM_SLEEP); mac_unicst_get(mh, macaddr); mac_close(mh); return (macaddr); } static uchar_t * getmacaddr(dev_info_t *dip, int *maclenp) { int rc, ppa; ldi_ident_t li; ldi_handle_t lh; char *drv_name = (char *)ddi_driver_name(dip); char *clonepath; uchar_t *macaddr = NULL; /* a simpler way to get mac address for GLDv3 drivers */ if (GLDV3_DRV(ddi_name_to_major(drv_name))) { return (getmacaddr_gldv3(drv_name, ddi_get_instance(dip), maclenp)); } if (rc = ldi_ident_from_mod(&modlinkage, &li)) { cmn_err(CE_WARN, "getmacaddr: ldi_ident_from_mod failed: %d\n", rc); return (NULL); } clonepath = kmem_alloc(MAXPATHLEN, KM_SLEEP); (void) snprintf(clonepath, MAXPATHLEN, "/devices/pseudo/clone@0:%s", drv_name); rc = ldi_open_by_name(clonepath, FREAD|FWRITE, CRED(), &lh, li); ldi_ident_release(li); if (rc) { cmn_err(CE_WARN, "getmacaddr: ldi_open_by_name(%s) failed: %d\n", clonepath, rc); kmem_free(clonepath, MAXPATHLEN); return (NULL); } kmem_free(clonepath, MAXPATHLEN); ppa = i_ddi_devi_get_ppa(dip); if ((dl_attach(lh, ppa) != 0) || (dl_bind(lh, ETHERTYPE_IP, 0, DL_CLDLS, 0) != 0)) { (void) ldi_close(lh, FREAD|FWRITE, CRED()); cmn_err(CE_WARN, "getmacaddr: dl_attach/bind(%s%d) failed: %d\n", drv_name, ppa, rc); return (NULL); } *maclenp = sizeof (struct ether_addr); macaddr = kmem_alloc(*maclenp, KM_SLEEP); if (dl_phys_addr(lh, (struct ether_addr *)macaddr) != 0) { kmem_free(macaddr, *maclenp); macaddr = NULL; *maclenp = 0; cmn_err(CE_WARN, "getmacaddr: dl_macaddr(%s%d) failed: %d\n", drv_name, ppa, rc); } (void) ldi_close(lh, FREAD|FWRITE, CRED()); return (macaddr); } #endif /* !_OBP */ int dl_attach(ldi_handle_t lh, int unit) { dl_attach_req_t *attach_req; union DL_primitives *dl_prim; mblk_t *mp; int error; if ((mp = allocb(sizeof (dl_attach_req_t), BPRI_MED)) == NULL) { cmn_err(CE_WARN, "dl_attach: allocb failed"); return (ENOSR); } mp->b_datap->db_type = M_PROTO; mp->b_wptr += sizeof (dl_attach_req_t); attach_req = (dl_attach_req_t *)mp->b_rptr; attach_req->dl_primitive = DL_ATTACH_REQ; attach_req->dl_ppa = unit; (void) ldi_putmsg(lh, mp); if ((error = ldi_getmsg(lh, &mp, (timestruc_t *)NULL)) != 0) { cmn_err(CE_NOTE, "!dl_attach: ldi_getmsg failed: %d", error); return (error); } dl_prim = (union DL_primitives *)mp->b_rptr; switch (dl_prim->dl_primitive) { case DL_OK_ACK: if ((mp->b_wptr-mp->b_rptr) < sizeof (dl_ok_ack_t)) { cmn_err(CE_NOTE, "!dl_attach: DL_OK_ACK protocol error"); break; } if (((dl_ok_ack_t *)dl_prim)->dl_correct_primitive != DL_ATTACH_REQ) { cmn_err(CE_NOTE, "!dl_attach: DL_OK_ACK rtnd prim %u", ((dl_ok_ack_t *)dl_prim)->dl_correct_primitive); break; } freemsg(mp); return (0); case DL_ERROR_ACK: if ((mp->b_wptr-mp->b_rptr) < sizeof (dl_error_ack_t)) { cmn_err(CE_NOTE, "!dl_attach: DL_ERROR_ACK protocol error"); break; } break; default: cmn_err(CE_NOTE, "!dl_attach: bad ACK header %u", dl_prim->dl_primitive); break; } /* * Error return only. */ freemsg(mp); return (-1); } int dl_bind(ldi_handle_t lh, uint_t sap, uint_t max_conn, uint_t service, uint_t conn_mgmt) { dl_bind_req_t *bind_req; union DL_primitives *dl_prim; mblk_t *mp; int error; if ((mp = allocb(sizeof (dl_bind_req_t), BPRI_MED)) == NULL) { cmn_err(CE_WARN, "dl_bind: allocb failed"); return (ENOSR); } mp->b_datap->db_type = M_PROTO; bind_req = (dl_bind_req_t *)mp->b_wptr; mp->b_wptr += sizeof (dl_bind_req_t); bind_req->dl_primitive = DL_BIND_REQ; bind_req->dl_sap = sap; bind_req->dl_max_conind = max_conn; bind_req->dl_service_mode = service; bind_req->dl_conn_mgmt = conn_mgmt; bind_req->dl_xidtest_flg = 0; (void) ldi_putmsg(lh, mp); if ((error = ldi_getmsg(lh, &mp, (timestruc_t *)NULL)) != 0) { cmn_err(CE_NOTE, "!dl_bind: ldi_getmsg failed: %d", error); return (error); } dl_prim = (union DL_primitives *)mp->b_rptr; switch (dl_prim->dl_primitive) { case DL_BIND_ACK: if ((mp->b_wptr-mp->b_rptr) < sizeof (dl_bind_ack_t)) { cmn_err(CE_NOTE, "!dl_bind: DL_BIND_ACK protocol error"); break; } if (((dl_bind_ack_t *)dl_prim)->dl_sap != sap) { cmn_err(CE_NOTE, "!dl_bind: DL_BIND_ACK bad sap %u", ((dl_bind_ack_t *)dl_prim)->dl_sap); break; } freemsg(mp); return (0); case DL_ERROR_ACK: if ((mp->b_wptr-mp->b_rptr) < sizeof (dl_error_ack_t)) { cmn_err(CE_NOTE, "!dl_bind: DL_ERROR_ACK protocol error"); break; } break; default: cmn_err(CE_NOTE, "!dl_bind: bad ACK header %u", dl_prim->dl_primitive); break; } /* * Error return only. */ freemsg(mp); return (-1); } int dl_phys_addr(ldi_handle_t lh, struct ether_addr *eaddr) { dl_phys_addr_req_t *phys_addr_req; dl_phys_addr_ack_t *phys_addr_ack; union DL_primitives *dl_prim; mblk_t *mp; int error; uchar_t *addrp; timestruc_t tv; if ((mp = allocb(sizeof (dl_phys_addr_req_t), BPRI_MED)) == (mblk_t *)NULL) { cmn_err(CE_WARN, "dl_phys_addr: allocb failed"); return (ENOSR); } mp->b_datap->db_type = M_PROTO; mp->b_wptr += sizeof (dl_phys_addr_req_t); phys_addr_req = (dl_phys_addr_req_t *)mp->b_rptr; phys_addr_req->dl_primitive = DL_PHYS_ADDR_REQ; phys_addr_req->dl_addr_type = DL_CURR_PHYS_ADDR; /* * In case some provider doesn't implement or nack the * request just wait for 15 seconds. */ tv.tv_sec = 15; tv.tv_nsec = 0; (void) ldi_putmsg(lh, mp); error = ldi_getmsg(lh, &mp, &tv); if (error == ETIME) { cmn_err(CE_NOTE, "!dl_phys_addr: timed out"); return (-1); } else if (error != 0) { cmn_err(CE_NOTE, "!dl_phys_addr: ldi_getmsg failed: %d", error); return (error); } dl_prim = (union DL_primitives *)mp->b_rptr; switch (dl_prim->dl_primitive) { case DL_PHYS_ADDR_ACK: if ((mp->b_wptr-mp->b_rptr) < sizeof (dl_phys_addr_ack_t)) { cmn_err(CE_NOTE, "!dl_phys_addr: " "DL_PHYS_ADDR_ACK protocol error"); break; } phys_addr_ack = &dl_prim->physaddr_ack; if (phys_addr_ack->dl_addr_length != sizeof (*eaddr)) { cmn_err(CE_NOTE, "!dl_phys_addr: DL_PHYS_ADDR_ACK bad len %u", phys_addr_ack->dl_addr_length); break; } if (phys_addr_ack->dl_addr_length + phys_addr_ack->dl_addr_offset > (mp->b_wptr-mp->b_rptr)) { cmn_err(CE_NOTE, "!dl_phys_addr: DL_PHYS_ADDR_ACK bad len %u", phys_addr_ack->dl_addr_length); break; } addrp = mp->b_rptr + phys_addr_ack->dl_addr_offset; bcopy(addrp, eaddr, sizeof (*eaddr)); freemsg(mp); return (0); case DL_ERROR_ACK: if ((mp->b_wptr-mp->b_rptr) < sizeof (dl_error_ack_t)) { cmn_err(CE_NOTE, "!dl_phys_addr: DL_ERROR_ACK protocol error"); break; } break; default: cmn_err(CE_NOTE, "!dl_phys_addr: bad ACK header %u", dl_prim->dl_primitive); break; } /* * Error return only. */ freemsg(mp); return (-1); }