diff options
Diffstat (limited to 'src/daemon/interfaces-bsd.c')
| -rw-r--r-- | src/daemon/interfaces-bsd.c | 641 |
1 files changed, 641 insertions, 0 deletions
diff --git a/src/daemon/interfaces-bsd.c b/src/daemon/interfaces-bsd.c new file mode 100644 index 0000000..a8248fe --- /dev/null +++ b/src/daemon/interfaces-bsd.c @@ -0,0 +1,641 @@ +/* -*- mode: c; c-file-style: "openbsd" -*- */ +/* + * Copyright (c) 2012 Vincent Bernat <bernat@luffy.cx> + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include "lldpd.h" + +#include <unistd.h> +#include <ifaddrs.h> +#include <errno.h> +#include <ctype.h> +#include <sys/param.h> +#include <sys/sysctl.h> +#include <sys/ioctl.h> +#include <net/bpf.h> +#include <net/if_types.h> +#include <net/if_media.h> +#include <net/if_dl.h> +#if defined HOST_OS_FREEBSD +# include <net/if_vlan_var.h> +# include <net/if_bridgevar.h> +# include <net/if_lagg.h> +#elif defined HOST_OS_DRAGONFLY +# include <net/vlan/if_vlan_var.h> +# include <net/bridge/if_bridgevar.h> +#elif defined HOST_OS_OPENBSD +# include <net/if_vlan_var.h> +# include <net/if_bridge.h> +# include <net/if_trunk.h> +#elif defined HOST_OS_NETBSD +# include <net/if_vlanvar.h> +# include <net/if_bridgevar.h> +# include <net/agr/if_agrioctl.h> +#elif defined HOST_OS_OSX +# include <osx/if_vlan_var.h> +# include <osx/if_bridgevar.h> +# include <osx/if_bond_var.h> +#endif + +#ifndef IFDESCRSIZE +# define IFDESCRSIZE 64 +#endif + +static int +ifbsd_check_wireless(struct lldpd *cfg, struct ifaddrs *ifaddr, + struct interfaces_device *iface) +{ + struct ifmediareq ifmr = {}; + strlcpy(ifmr.ifm_name, iface->name, sizeof(ifmr.ifm_name)); + if (ioctl(cfg->g_sock, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0 || + IFM_TYPE(ifmr.ifm_current) != IFM_IEEE80211) + return 0; /* Not wireless either */ + iface->type |= IFACE_WIRELESS_T | IFACE_PHYSICAL_T; + return 0; +} + +static void +ifbsd_check_bridge(struct lldpd *cfg, struct interfaces_device_list *interfaces, + struct interfaces_device *master) +{ + static size_t ifbic_len = 64; + struct ifbreq *req = NULL; + struct ifbifconf bifc = {}; + +retry_alloc: + if ((req = realloc(req, ifbic_len)) == NULL) { + log_warn("interfaces", "unable to allocate memory to query bridge %s", + master->name); + free(bifc.ifbic_req); + return; + } + bifc.ifbic_len = ifbic_len; + bifc.ifbic_req = req; + +#if defined HOST_OS_FREEBSD || defined HOST_OS_NETBSD || defined HOST_OS_OSX || \ + defined HOST_OS_DRAGONFLY + struct ifdrv ifd = { .ifd_cmd = BRDGGIFS, + .ifd_len = sizeof(bifc), + .ifd_data = &bifc }; + + strlcpy(ifd.ifd_name, master->name, sizeof(ifd.ifd_name)); + if (ioctl(cfg->g_sock, SIOCGDRVSPEC, (caddr_t)&ifd) < 0) { + log_debug("interfaces", "%s is not a bridge", master->name); + return; + } +#elif defined HOST_OS_OPENBSD + strlcpy(bifc.ifbic_name, master->name, sizeof(bifc.ifbic_name)); + if (ioctl(cfg->g_sock, SIOCBRDGIFS, (caddr_t)&bifc) < 0) { + log_debug("interfaces", "%s is not a bridge", master->name); + return; + } +#else +# error Unsupported OS +#endif + if (bifc.ifbic_len >= ifbic_len) { + ifbic_len = bifc.ifbic_len + 1; + goto retry_alloc; + } + for (int i = 0; i < bifc.ifbic_len / sizeof(*req); i++) { + struct interfaces_device *slave = + interfaces_nametointerface(interfaces, req[i].ifbr_ifsname); + if (slave == NULL) { + log_warnx("interfaces", + "%s should be bridged to %s but we don't know %s", + req[i].ifbr_ifsname, master->name, req[i].ifbr_ifsname); + continue; + } + log_debug("interfaces", "%s is bridged to %s", slave->name, + master->name); + slave->upper = master; + } + master->type |= IFACE_BRIDGE_T; +} + +static void +ifbsd_check_bond(struct lldpd *cfg, struct interfaces_device_list *interfaces, + struct interfaces_device *master) +{ +#if defined HOST_OS_OPENBSD +/* OpenBSD is the same as FreeBSD, just lagg->trunk */ +# define lagg_reqport trunk_reqport +# define lagg_reqall trunk_reqall +# define SIOCGLAGG SIOCGTRUNK +# define LAGG_MAX_PORTS TRUNK_MAX_PORTS +#endif +#if defined HOST_OS_OPENBSD || defined HOST_OS_FREEBSD + struct lagg_reqport rpbuf[LAGG_MAX_PORTS]; + struct lagg_reqall ra = { .ra_size = sizeof(rpbuf), .ra_port = rpbuf }; + strlcpy(ra.ra_ifname, master->name, IFNAMSIZ); + if (ioctl(cfg->g_sock, SIOCGLAGG, (caddr_t)&ra) < 0) { + log_debug("interfaces", "%s is not a bond", master->name); + return; + } + + for (int i = 0; i < ra.ra_ports; i++) { + struct interfaces_device *slave; + slave = interfaces_nametointerface(interfaces, rpbuf[i].rp_portname); + if (slave == NULL) { + log_warnx("interfaces", + "%s should be enslaved to %s but we don't know %s", + rpbuf[i].rp_portname, master->name, rpbuf[i].rp_portname); + continue; + } + log_debug("interfaces", "%s is enslaved to bond %s", slave->name, + master->name); + slave->upper = master; + } + master->type |= IFACE_BOND_T; +#elif defined HOST_OS_NETBSD + /* No max, we consider a maximum of 24 ports */ + char buf[sizeof(struct agrportinfo) * 24] = {}; + size_t buflen = sizeof(buf); + struct agrreq ar = { .ar_version = AGRREQ_VERSION, + .ar_cmd = AGRCMD_PORTLIST, + .ar_buf = buf, + .ar_buflen = buflen }; + struct ifreq ifr = { .ifr_data = &ar }; + struct agrportlist *apl = (void *)buf; + struct agrportinfo *api = (void *)(apl + 1); + strlcpy(ifr.ifr_name, master->name, sizeof(ifr.ifr_name)); + if (ioctl(cfg->g_sock, SIOCGETAGR, &ifr) == -1) { + if (errno == E2BIG) { + log_warnx("interfaces", + "%s is a too big aggregate. Please, report the problem", + master->name); + } else { + log_debug("interfaces", "%s is not an aggregate", master->name); + } + return; + } + for (int i = 0; i < apl->apl_nports; i++, api++) { + struct interfaces_device *slave; + slave = interfaces_nametointerface(interfaces, api->api_ifname); + if (slave == NULL) { + log_warnx("interfaces", + "%s should be enslaved to %s but we don't know %s", + api->api_ifname, master->name, api->api_ifname); + continue; + } + log_debug("interfaces", "%s is enslaved to bond %s", slave->name, + master->name); + slave->upper = master; + } + master->type |= IFACE_BOND_T; +#elif defined HOST_OS_OSX + struct if_bond_req ibr = { .ibr_op = IF_BOND_OP_GET_STATUS, + .ibr_ibru = { + .ibru_status = { .ibsr_version = IF_BOND_STATUS_REQ_VERSION } } }; + struct ifreq ifr = { .ifr_data = (caddr_t)&ibr }; + strlcpy(ifr.ifr_name, master->name, sizeof(ifr.ifr_name)); + if (ioctl(cfg->g_sock, SIOCGIFBOND, (caddr_t)&ifr) < 0) { + log_debug("interfaces", "%s is not an aggregate", master->name); + return; + } + master->type |= IFACE_BOND_T; + if (ibr.ibr_ibru.ibru_status.ibsr_total == 0) { + log_debug("interfaces", "no members for bond %s", master->name); + return; + } + + struct if_bond_status_req *ibsr_p = &ibr.ibr_ibru.ibru_status; + ibsr_p->ibsr_buffer = + malloc(sizeof(struct if_bond_status) * ibsr_p->ibsr_total); + if (ibsr_p->ibsr_buffer == NULL) { + log_warnx("interfaces", "not enough memory to check bond members"); + return; + } + ibsr_p->ibsr_count = ibsr_p->ibsr_total; + if (ioctl(cfg->g_sock, SIOCGIFBOND, (caddr_t)&ifr) < 0) { + log_warn("interfaces", "unable to get members for bond %s", + master->name); + goto end; + } + + struct if_bond_status *ibs_p = (struct if_bond_status *)ibsr_p->ibsr_buffer; + for (int i = 0; i < ibsr_p->ibsr_total; i++, ibs_p++) { + struct interfaces_device *slave; + slave = interfaces_nametointerface(interfaces, ibs_p->ibs_if_name); + if (slave == NULL) { + log_warnx("interfaces", + "%s should be enslaved to %s but we don't know %s", + ibs_p->ibs_if_name, master->name, ibs_p->ibs_if_name); + continue; + } + log_debug("interfaces", "%s is enslaved to bond %s", slave->name, + master->name); + slave->upper = master; + } +end: + free(ibsr_p->ibsr_buffer); +#elif defined HOST_OS_DRAGONFLY + log_debug("interfaces", "DragonFly BSD does not support link aggregation"); +#else +# error Unsupported OS +#endif +} + +static void +ifbsd_check_vlan(struct lldpd *cfg, struct interfaces_device_list *interfaces, + struct interfaces_device *vlan) +{ + struct interfaces_device *lower; + struct vlanreq vreq = {}; + struct ifreq ifr = { .ifr_data = (caddr_t)&vreq }; + strlcpy(ifr.ifr_name, vlan->name, sizeof(ifr.ifr_name)); + if (ioctl(cfg->g_sock, SIOCGETVLAN, (caddr_t)&ifr) < 0) { + log_debug("interfaces", "%s is not a VLAN", vlan->name); + return; + } + if (strlen(vreq.vlr_parent) == 0) { + log_debug("interfaces", "%s is a VLAN but has no lower interface", + vlan->name); + vlan->lower = NULL; + vlan->type |= IFACE_VLAN_T; + return; + } + lower = interfaces_nametointerface(interfaces, vreq.vlr_parent); + if (lower == NULL) { + log_warnx("interfaces", + "%s should be a VLAN of %s but %s does not exist", vlan->name, + vreq.vlr_parent, vreq.vlr_parent); + return; + } + log_debug("interfaces", "%s is VLAN %d of %s", vlan->name, vreq.vlr_tag, + lower->name); + vlan->lower = lower; + bitmap_set(vlan->vlan_bmap, vreq.vlr_tag); + vlan->type |= IFACE_VLAN_T; +} + +static void +ifbsd_check_physical(struct lldpd *cfg, struct interfaces_device_list *interfaces, + struct interfaces_device *iface) +{ + if (iface->type & + (IFACE_VLAN_T | IFACE_BOND_T | IFACE_BRIDGE_T | IFACE_PHYSICAL_T)) + return; + + if (!(iface->flags & (IFF_MULTICAST | IFF_BROADCAST))) { + log_debug("interfaces", + "skip %s: not able to do multicast nor broadcast", iface->name); + return; + } + log_debug("interfaces", "%s is a physical interface", iface->name); + iface->type |= IFACE_PHYSICAL_T; +} + +/* Remove any dangerous interface. Currently, only p2p0 is removed as it + * triggers some AirDrop functionality when we send something on it. + * See: https://github.com/lldpd/lldpd/issues/61 + */ +static void +ifbsd_denylist(struct lldpd *cfg, struct interfaces_device_list *interfaces) +{ +#ifdef HOST_OS_OSX + struct interfaces_device *iface = NULL; + TAILQ_FOREACH (iface, interfaces, next) { + int i; + if (strncmp(iface->name, "p2p", 3)) continue; + if (strlen(iface->name) < 4) continue; + for (i = 3; + iface->name[i] != '\0' && isdigit((unsigned char)(iface->name[i])); + i++) + ; + if (iface->name[i] == '\0') { + log_debug("interfaces", "skip %s: AirDrop interface", + iface->name); + iface->ignore = 1; + } + } +#endif +} + +static struct interfaces_device * +ifbsd_extract_device(struct lldpd *cfg, struct ifaddrs *ifaddr) +{ + struct interfaces_device *iface = NULL; + struct sockaddr_dl *saddrdl = + ALIGNED_CAST(struct sockaddr_dl *, ifaddr->ifa_addr); + if ((saddrdl->sdl_type != IFT_BRIDGE) && (saddrdl->sdl_type != IFT_L2VLAN) && + (saddrdl->sdl_type != IFT_ETHER)) { + log_debug("interfaces", "skip %s: not an ethernet device (%d)", + ifaddr->ifa_name, saddrdl->sdl_type); + return NULL; + } + if ((iface = calloc(1, sizeof(struct interfaces_device))) == NULL) { + log_warn("interfaces", "unable to allocate memory for %s", + ifaddr->ifa_name); + return NULL; + } + + iface->index = saddrdl->sdl_index; + iface->name = strdup(ifaddr->ifa_name); + iface->flags = ifaddr->ifa_flags; + + /* MAC address */ + iface->address = malloc(ETHER_ADDR_LEN); + if (iface->address) memcpy(iface->address, LLADDR(saddrdl), ETHER_ADDR_LEN); + + /* Grab description */ +#ifdef SIOCGIFDESCR +# if defined HOST_OS_FREEBSD || defined HOST_OS_OPENBSD + iface->alias = malloc(IFDESCRSIZE); + if (iface->alias) { +# if defined HOST_OS_FREEBSD + struct ifreq ifr = { .ifr_buffer = { .buffer = iface->alias, + .length = IFDESCRSIZE } }; +# else + struct ifreq ifr = { .ifr_data = (caddr_t)iface->alias }; +# endif + strlcpy(ifr.ifr_name, ifaddr->ifa_name, sizeof(ifr.ifr_name)); + if (ioctl(cfg->g_sock, SIOCGIFDESCR, (caddr_t)&ifr) < 0) { + free(iface->alias); + iface->alias = NULL; + } + } +# endif +#endif /* SIOCGIFDESCR */ + + if (ifbsd_check_wireless(cfg, ifaddr, iface) == -1) { + interfaces_free_device(iface); + return NULL; + } + + return iface; +} + +static void +ifbsd_extract(struct lldpd *cfg, struct interfaces_device_list *interfaces, + struct interfaces_address_list *addresses, struct ifaddrs *ifaddr) +{ + struct interfaces_address *address = NULL; + struct interfaces_device *device = NULL; + if (!ifaddr->ifa_name) return; + if (!ifaddr->ifa_addr) return; + switch (ifaddr->ifa_addr->sa_family) { + case AF_LINK: + log_debug("interfaces", "grabbing information on interface %s", + ifaddr->ifa_name); + device = ifbsd_extract_device(cfg, ifaddr); + if (device) { +#if defined HOST_OS_OPENBSD + /* On OpenBSD, the interface can have IFF_RUNNING but be down. + */ + struct if_data *ifdata; + ifdata = ifaddr->ifa_data; + if (!LINK_STATE_IS_UP(ifdata->ifi_link_state)) + device->flags &= ~IFF_RUNNING; +#endif + TAILQ_INSERT_TAIL(interfaces, device, next); + } + break; + case AF_INET: + case AF_INET6: + log_debug("interfaces", "got an IP address on %s", ifaddr->ifa_name); + address = malloc(sizeof(struct interfaces_address)); + if (address == NULL) { + log_warn("interfaces", + "not enough memory for a new IP address on %s", + ifaddr->ifa_name); + return; + } + address->flags = ifaddr->ifa_flags; + address->index = if_nametoindex(ifaddr->ifa_name); + memcpy(&address->address, ifaddr->ifa_addr, + (ifaddr->ifa_addr->sa_family == AF_INET) ? + sizeof(struct sockaddr_in) : + sizeof(struct sockaddr_in6)); + TAILQ_INSERT_TAIL(addresses, address, next); + break; + default: + log_debug("interfaces", "unhandled family %d for interface %s", + ifaddr->ifa_addr->sa_family, ifaddr->ifa_name); + } +} + +static void +ifbsd_macphy(struct lldpd *cfg, struct lldpd_hardware *hardware) +{ +#ifdef ENABLE_DOT3 + struct ifmediareq ifmr = {}; +# ifdef HAVE_TYPEOF + typeof(ifmr.ifm_ulist[0]) media_list[32] = {}; +# else + int media_list[32] = {}; +# endif + ifmr.ifm_ulist = media_list; + ifmr.ifm_count = 32; + struct lldpd_port *port = &hardware->h_lport; + unsigned int duplex; + unsigned int media; + int advertised_ifmedia_to_rfc3636[][3] = { + { IFM_10_T, LLDP_DOT3_LINK_AUTONEG_10BASE_T, + LLDP_DOT3_LINK_AUTONEG_10BASET_FD }, + { IFM_10_STP, LLDP_DOT3_LINK_AUTONEG_10BASE_T, + LLDP_DOT3_LINK_AUTONEG_10BASET_FD }, + { IFM_100_TX, LLDP_DOT3_LINK_AUTONEG_100BASE_TX, + LLDP_DOT3_LINK_AUTONEG_100BASE_TXFD }, + { IFM_100_T4, LLDP_DOT3_LINK_AUTONEG_100BASE_T4, + LLDP_DOT3_LINK_AUTONEG_100BASE_T4 }, + { IFM_100_T2, LLDP_DOT3_LINK_AUTONEG_100BASE_T2, + LLDP_DOT3_LINK_AUTONEG_100BASE_T2FD }, + { IFM_1000_SX, LLDP_DOT3_LINK_AUTONEG_1000BASE_X, + LLDP_DOT3_LINK_AUTONEG_1000BASE_XFD }, + { IFM_1000_LX, LLDP_DOT3_LINK_AUTONEG_1000BASE_X, + LLDP_DOT3_LINK_AUTONEG_1000BASE_XFD }, + { IFM_1000_CX, LLDP_DOT3_LINK_AUTONEG_1000BASE_X, + LLDP_DOT3_LINK_AUTONEG_1000BASE_XFD }, + { IFM_1000_T, LLDP_DOT3_LINK_AUTONEG_1000BASE_T, + LLDP_DOT3_LINK_AUTONEG_1000BASE_TFD }, + { 0, 0, 0 } + }; + int current_ifmedia_to_rfc3636[][3] = { { IFM_10_T, LLDP_DOT3_MAU_10BASETHD, + LLDP_DOT3_MAU_10BASETFD }, + { IFM_10_STP, LLDP_DOT3_MAU_10BASETHD, LLDP_DOT3_MAU_10BASETFD }, + { IFM_10_2, LLDP_DOT3_MAU_10BASE2, LLDP_DOT3_MAU_10BASE2 }, + { IFM_10_5, LLDP_DOT3_MAU_10BASE5, LLDP_DOT3_MAU_10BASE5 }, + { IFM_100_TX, LLDP_DOT3_MAU_100BASETXHD, LLDP_DOT3_MAU_100BASETXFD }, + { IFM_100_FX, LLDP_DOT3_MAU_100BASEFXHD, LLDP_DOT3_MAU_100BASEFXFD }, + { IFM_100_T2, LLDP_DOT3_MAU_100BASET2HD, LLDP_DOT3_MAU_100BASET2FD }, + { IFM_1000_SX, LLDP_DOT3_MAU_1000BASESXHD, LLDP_DOT3_MAU_1000BASESXFD }, + { IFM_10_FL, LLDP_DOT3_MAU_10BASEFLHD, LLDP_DOT3_MAU_10BASEFLFD }, + { IFM_1000_LX, LLDP_DOT3_MAU_1000BASELXHD, LLDP_DOT3_MAU_1000BASELXFD }, + { IFM_1000_CX, LLDP_DOT3_MAU_1000BASECXHD, LLDP_DOT3_MAU_1000BASECXFD }, + { IFM_1000_T, LLDP_DOT3_MAU_1000BASETHD, LLDP_DOT3_MAU_1000BASETFD }, + { IFM_10G_LR, LLDP_DOT3_MAU_10GIGBASELR, LLDP_DOT3_MAU_10GIGBASELR }, + { IFM_10G_SR, LLDP_DOT3_MAU_10GIGBASESR, LLDP_DOT3_MAU_10GIGBASESR }, + { IFM_10G_CX4, LLDP_DOT3_MAU_10GIGBASELX4, LLDP_DOT3_MAU_10GIGBASELX4 }, +# ifdef IFM_10G_T + { IFM_10G_T, LLDP_DOT3_MAU_10GIGBASECX4, LLDP_DOT3_MAU_10GIGBASECX4 }, +# endif +# ifdef IFM_10G_TWINAX + { IFM_10G_TWINAX, LLDP_DOT3_MAU_10GIGBASECX4, + LLDP_DOT3_MAU_10GIGBASECX4 }, +# endif +# ifdef IFM_10G_TWINAX_LONG + { IFM_10G_TWINAX_LONG, LLDP_DOT3_MAU_10GIGBASECX4, + LLDP_DOT3_MAU_10GIGBASECX4 }, +# endif +# ifdef IFM_10G_LRM + { IFM_10G_LRM, LLDP_DOT3_MAU_10GIGBASELR, LLDP_DOT3_MAU_10GIGBASELR }, +# endif +# ifdef IFM_10G_SFP_CU + { IFM_10G_SFP_CU, LLDP_DOT3_MAU_10GIGBASECX4, + LLDP_DOT3_MAU_10GIGBASECX4 }, +# endif + { 0, 0, 0 } }; + + log_debug("interfaces", "get MAC/phy for %s", hardware->h_ifname); + strlcpy(ifmr.ifm_name, hardware->h_ifname, sizeof(ifmr.ifm_name)); + if (ioctl(cfg->g_sock, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) { + log_debug("interfaces", "unable to get media information from %s", + hardware->h_ifname); + return; + } + if (IFM_TYPE(ifmr.ifm_current) != IFM_ETHER) { + log_warnx("interfaces", + "cannot get media information from %s: not an ethernet device", + hardware->h_ifname); + return; + } + if ((ifmr.ifm_status & IFM_ACTIVE) == 0) { + log_debug("interfaces", "interface %s is now down, skip", + hardware->h_ifname); + return; + } + if (ifmr.ifm_count == 0) { + log_warnx("interfaces", "no media information available on %s", + hardware->h_ifname); + return; + } + port->p_macphy.autoneg_support = port->p_macphy.autoneg_enabled = 0; + for (int m = 0; m < ifmr.ifm_count; m++) { + media = IFM_SUBTYPE(ifmr.ifm_ulist[m]); + duplex = !!(IFM_OPTIONS(ifmr.ifm_ulist[m]) & IFM_FDX); + if (media == IFM_AUTO) { + port->p_macphy.autoneg_support = 1; + port->p_macphy.autoneg_enabled = + (IFM_SUBTYPE(ifmr.ifm_current) == IFM_AUTO); + continue; + } + + int found = 0; + for (int j = 0; advertised_ifmedia_to_rfc3636[j][0]; j++) { + if (advertised_ifmedia_to_rfc3636[j][0] == media) { + port->p_macphy.autoneg_advertised |= + advertised_ifmedia_to_rfc3636[j][1 + duplex]; + found = 1; + break; + } + } + if (!found) + port->p_macphy.autoneg_advertised |= + LLDP_DOT3_LINK_AUTONEG_OTHER; + } + + port->p_macphy.mau_type = 0; + media = IFM_SUBTYPE(ifmr.ifm_active); + duplex = !!(IFM_OPTIONS(ifmr.ifm_active) & IFM_FDX); + for (int j = 0; current_ifmedia_to_rfc3636[j][0]; j++) { + if (current_ifmedia_to_rfc3636[j][0] == media) { + port->p_macphy.mau_type = + current_ifmedia_to_rfc3636[j][1 + duplex]; + break; + } + } +#endif +} + +extern struct lldpd_ops bpf_ops; +void +interfaces_update(struct lldpd *cfg) +{ + struct lldpd_hardware *hardware; + struct interfaces_device *iface; + struct interfaces_device_list *interfaces; + struct interfaces_address_list *addresses; + struct ifaddrs *ifaddrs = NULL, *ifaddr; + + interfaces = malloc(sizeof(struct interfaces_device_list)); + addresses = malloc(sizeof(struct interfaces_address_list)); + if (interfaces == NULL || addresses == NULL) { + log_warnx("interfaces", "unable to allocate memory"); + goto end; + } + TAILQ_INIT(interfaces); + TAILQ_INIT(addresses); + if (getifaddrs(&ifaddrs) < 0) { + log_warnx("interfaces", "unable to get list of interfaces"); + goto end; + } + + for (ifaddr = ifaddrs; ifaddr != NULL; ifaddr = ifaddr->ifa_next) { + ifbsd_extract(cfg, interfaces, addresses, ifaddr); + } + /* Link interfaces together if needed */ + TAILQ_FOREACH (iface, interfaces, next) { + ifbsd_check_bridge(cfg, interfaces, iface); + ifbsd_check_bond(cfg, interfaces, iface); + ifbsd_check_vlan(cfg, interfaces, iface); + ifbsd_check_physical(cfg, interfaces, iface); + } + + ifbsd_denylist(cfg, interfaces); + interfaces_helper_allowlist(cfg, interfaces); + interfaces_helper_physical(cfg, interfaces, &bpf_ops, ifbpf_phys_init); +#ifdef ENABLE_DOT1 + interfaces_helper_vlan(cfg, interfaces); +#endif + interfaces_helper_mgmt(cfg, addresses, interfaces); + interfaces_helper_chassis(cfg, interfaces); + + /* Mac/PHY */ + TAILQ_FOREACH (hardware, &cfg->g_hardware, h_entries) { + if (!hardware->h_flags) continue; + ifbsd_macphy(cfg, hardware); + interfaces_helper_promisc(cfg, hardware); + } + + if (cfg->g_iface_event == NULL) { + int s; + log_debug("interfaces", "subscribe to route socket notifications"); + if ((s = socket(PF_ROUTE, SOCK_RAW, 0)) < 0) { + log_warn("interfaces", "unable to open route socket"); + goto end; + } + +#ifdef ROUTE_MSGFILTER + unsigned int rtfilter; + rtfilter = ROUTE_FILTER(RTM_IFINFO); + if (setsockopt(s, PF_ROUTE, ROUTE_MSGFILTER, &rtfilter, + sizeof(rtfilter)) == -1) + log_warn("interfaces", + "unable to set filter for interface updates"); +#endif + + if (levent_iface_subscribe(cfg, s) == -1) close(s); + } + +end: + interfaces_free_devices(interfaces); + interfaces_free_addresses(addresses); + if (ifaddrs) freeifaddrs(ifaddrs); +} + +void +interfaces_cleanup(struct lldpd *cfg) +{ +} |