diff --git a/package/gluon-radvd/Makefile b/package/gluon-radvd/Makefile
index 4736af60dff713989fac462a9960cd1ecfab86e1..6695673ce8585e1c8d56da5293daf709f58cf0e8 100644
--- a/package/gluon-radvd/Makefile
+++ b/package/gluon-radvd/Makefile
@@ -11,7 +11,7 @@ define Package/gluon-radvd
SECTION:=gluon
CATEGORY:=Gluon
TITLE:=Advertise an IPv6 prefix from the node
- DEPENDS:=+gluon-core +gluon-ebtables +gluon-mesh-batman-adv +librt
+ DEPENDS:=+gluon-core +gluon-ebtables +gluon-mesh-batman-adv +uradvd
endef
define Package/gluon-radvd/description
@@ -20,20 +20,16 @@ endef
define Build/Prepare
mkdir -p $(PKG_BUILD_DIR)
- $(CP) ./src/* $(PKG_BUILD_DIR)/
endef
define Build/Configure
endef
define Build/Compile
- CFLAGS="$(TARGET_CFLAGS)" CPPFLAGS="$(TARGET_CPPFLAGS)" $(MAKE) -C $(PKG_BUILD_DIR) $(TARGET_CONFIGURE_OPTS)
endef
define Package/gluon-radvd/install
$(CP) ./files/* $(1)/
- $(INSTALL_DIR) $(1)/usr/sbin
- $(INSTALL_BIN) $(PKG_BUILD_DIR)/gluon-radvd $(1)/usr/sbin/
endef
$(eval $(call BuildPackage,gluon-radvd))
diff --git a/package/gluon-radvd/files/etc/init.d/gluon-radvd b/package/gluon-radvd/files/etc/init.d/gluon-radvd
index 14815e76283a63119fca579021af0b4d5306fe83..d7a981d421f380ad555aac38be8e2b57f66c0fca 100755
--- a/package/gluon-radvd/files/etc/init.d/gluon-radvd
+++ b/package/gluon-radvd/files/etc/init.d/gluon-radvd
@@ -7,9 +7,9 @@ SERVICE_DAEMONIZE=1
start() {
- service_start /usr/sbin/gluon-radvd -i br-client -p $(lua -e 'print(require("gluon.site_config").prefix6)')
+ service_start /usr/sbin/uradvd -i br-client -p $(lua -e 'print(require("gluon.site_config").prefix6)')
}
stop() {
- service_stop /usr/sbin/gluon-radvd
+ service_stop /usr/sbin/uradvd
}
diff --git a/package/gluon-radvd/src/Makefile b/package/gluon-radvd/src/Makefile
deleted file mode 100644
index f0bc9034d2d11849f6ef3db96f01f33a4208ac30..0000000000000000000000000000000000000000
--- a/package/gluon-radvd/src/Makefile
+++ /dev/null
@@ -1,4 +0,0 @@
-all: gluon-radvd
-
-gluon-radvd: gluon-radvd.c
- $(CC) $(CPPFLAGS) $(CFLAGS) $(LDFLAGS) -Wall -o $@ $^ $(LDLIBS) -lrt
diff --git a/package/gluon-radvd/src/gluon-radvd.c b/package/gluon-radvd/src/gluon-radvd.c
deleted file mode 100644
index e146c4f539495ad00a7596cc9e4db5f69176bcd4..0000000000000000000000000000000000000000
--- a/package/gluon-radvd/src/gluon-radvd.c
+++ /dev/null
@@ -1,659 +0,0 @@
-/*
- Copyright (c) 2014, Matthias Schiffer <mschiffer@universe-factory.net>
- All rights reserved.
-
- Redistribution and use in source and binary forms, with or without
- modification, are permitted provided that the following conditions are met:
-
- 1. Redistributions of source code must retain the above copyright notice,
- this list of conditions and the following disclaimer.
- 2. Redistributions in binary form must reproduce the above copyright notice,
- this list of conditions and the following disclaimer in the documentation
- and/or other materials provided with the distribution.
-
- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
- FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-*/
-
-
-#define _GNU_SOURCE
-
-#include <errno.h>
-#include <error.h>
-#include <ifaddrs.h>
-#include <fcntl.h>
-#include <poll.h>
-#include <stdbool.h>
-#include <stdint.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <time.h>
-#include <unistd.h>
-
-#include <arpa/inet.h>
-
-#include <linux/netlink.h>
-#include <linux/rtnetlink.h>
-
-#include <net/if.h>
-
-#include <netinet/in.h>
-#include <netinet/icmp6.h>
-
-#include <sys/types.h>
-#include <sys/ioctl.h>
-#include <sys/socket.h>
-#include <sys/uio.h>
-#include <sys/stat.h>
-
-
-#define MAX_PREFIXES 8
-
-/* These are in seconds */
-#define AdvValidLifetime 86400u
-#define AdvPreferredLifetime 14400u
-#define AdvDefaultLifetime 0u
-#define AdvCurHopLimit 64u
-
-#define MinRtrAdvInterval 200u
-#define MaxRtrAdvInterval 600u
-
-/* And these in milliseconds */
-#define MAX_RA_DELAY_TIME 500u
-#define MIN_DELAY_BETWEEN_RAS 3000u
-
-
-struct icmpv6_opt {
- uint8_t type;
- uint8_t length;
- uint8_t data[6];
-};
-
-
-struct iface {
- bool ok;
- unsigned int ifindex;
- struct in6_addr ifaddr;
- uint8_t mac[6];
-};
-
-static struct global {
- struct iface iface;
-
- struct timespec time;
- struct timespec next_advert;
- struct timespec next_advert_earliest;
-
- int icmp_sock;
- int rtnl_sock;
-
- const char *ifname;
-
- size_t n_prefixes;
- struct in6_addr prefixes[MAX_PREFIXES];
- bool prefixes_onlink[MAX_PREFIXES];
-} G = {
- .rtnl_sock = -1,
- .icmp_sock = -1,
-};
-
-
-static inline void exit_errno(const char *message) {
- error(1, errno, "error: %s", message);
-}
-
-static inline void warn_errno(const char *message) {
- error(0, errno, "warning: %s", message);
-}
-
-
-static inline void update_time(void) {
- clock_gettime(CLOCK_MONOTONIC, &G.time);
-}
-
-/* Compares two timespecs and returns true if tp1 is after tp2 */
-static inline bool timespec_after(const struct timespec *tp1, const struct timespec *tp2) {
- return (tp1->tv_sec > tp2->tv_sec ||
- (tp1->tv_sec == tp2->tv_sec && tp1->tv_nsec > tp2->tv_nsec));
-}
-
-/* Returns (tp1 - tp2) in milliseconds */
-static inline int timespec_diff(const struct timespec *tp1, const struct timespec *tp2) {
- return ((tp1->tv_sec - tp2->tv_sec))*1000 + (tp1->tv_nsec - tp2->tv_nsec)/1e6;
-}
-
-static inline void timespec_add(struct timespec *tp, unsigned int ms) {
- tp->tv_sec += ms/1000;
- tp->tv_nsec += (ms%1000) * 1e6;
-
- if (tp->tv_nsec >= 1e9) {
- tp->tv_nsec -= 1e9;
- tp->tv_sec++;
- }
-}
-
-
-static inline int setsockopt_int(int socket, int level, int option, int value) {
- return setsockopt(socket, level, option, &value, sizeof(value));
-}
-
-
-static void init_random(void) {
- unsigned int seed;
- int fd = open("/dev/urandom", O_RDONLY);
- if (fd < 0)
- exit_errno("can't open /dev/urandom");
-
- if (read(fd, &seed, sizeof(seed)) != sizeof(seed))
- exit_errno("can't read from /dev/urandom");
-
- close(fd);
-
- srandom(seed);
-}
-
-static inline int rand_range(int min, int max) {
- unsigned int r = (unsigned int)random();
- return (r%(max-min) + min);
-}
-
-static void init_icmp(void) {
- G.icmp_sock = socket(AF_INET6, SOCK_RAW|SOCK_NONBLOCK, IPPROTO_ICMPV6);
- if (G.icmp_sock < 0)
- exit_errno("can't open ICMP socket");
-
- setsockopt_int(G.icmp_sock, IPPROTO_RAW, IPV6_CHECKSUM, 2);
-
- setsockopt_int(G.icmp_sock, IPPROTO_IPV6, IPV6_MULTICAST_HOPS, 255);
- setsockopt_int(G.icmp_sock, IPPROTO_IPV6, IPV6_MULTICAST_LOOP, 1);
-
- setsockopt_int(G.icmp_sock, IPPROTO_IPV6, IPV6_RECVHOPLIMIT, 1);
-
- struct icmp6_filter filter;
- ICMP6_FILTER_SETBLOCKALL(&filter);
- ICMP6_FILTER_SETPASS(ND_ROUTER_SOLICIT, &filter);
- setsockopt(G.icmp_sock, IPPROTO_ICMPV6, ICMP6_FILTER, &filter, sizeof(filter));
-}
-
-static void init_rtnl(void) {
- G.rtnl_sock = socket(AF_NETLINK, SOCK_DGRAM|SOCK_NONBLOCK, NETLINK_ROUTE);
- if (G.rtnl_sock < 0)
- exit_errno("can't open RTNL socket");
-
- struct sockaddr_nl snl = {
- .nl_family = AF_NETLINK,
- .nl_groups = RTMGRP_LINK | RTMGRP_IPV6_IFADDR,
- };
- if (bind(G.rtnl_sock, (struct sockaddr *)&snl, sizeof(snl)) < 0)
- exit_errno("can't bind RTNL socket");
-}
-
-
-static void schedule_advert(bool nodelay) {
- struct timespec t = G.time;
-
- if (nodelay)
- timespec_add(&t, rand_range(0, MAX_RA_DELAY_TIME));
- else
- timespec_add(&t, rand_range(MinRtrAdvInterval*1000, MaxRtrAdvInterval*1000));
-
- if (timespec_after(&G.next_advert_earliest, &t))
- t = G.next_advert_earliest;
-
- if (!nodelay || timespec_after(&G.next_advert, &t))
- G.next_advert = t;
-}
-
-
-static int join_multicast(void) {
- struct ipv6_mreq mreq = {
- .ipv6mr_multiaddr = {
- .s6_addr = {
- /* all-routers address */
- 0xff, 0x02, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x02,
- }
- },
- .ipv6mr_interface = G.iface.ifindex,
- };
-
- if (setsockopt(G.icmp_sock, IPPROTO_IPV6, IPV6_ADD_MEMBERSHIP, &mreq, sizeof(mreq)) == 0) {
- return 2;
- }
- else if (errno != EADDRINUSE) {
- warn_errno("can't join multicast group");
- return 0;
- }
-
- return 1;
-}
-
-static void update_interface(void) {
- struct iface old;
-
- memcpy(&old, &G.iface, sizeof(struct iface));
- memset(&G.iface, 0, sizeof(struct iface));
-
- /* Update ifindex */
- G.iface.ifindex = if_nametoindex(G.ifname);
- if (!G.iface.ifindex)
- return;
-
- /* Update MAC address */
- struct ifreq ifr = {};
- strncpy(ifr.ifr_name, G.ifname, sizeof(ifr.ifr_name)-1);
- if (ioctl(G.icmp_sock, SIOCGIFHWADDR, &ifr) < 0)
- return;
-
- memcpy(G.iface.mac, ifr.ifr_hwaddr.sa_data, sizeof(G.iface.mac));
-
- struct ifaddrs *addrs, *addr;
- if (getifaddrs(&addrs) < 0) {
- warn_errno("getifaddrs");
- return;
- }
-
- memset(&G.iface.ifaddr, 0, sizeof(G.iface.ifaddr));
-
- for (addr = addrs; addr; addr = addr->ifa_next) {
- if (!addr->ifa_addr || addr->ifa_addr->sa_family != AF_INET6)
- continue;
-
- const struct sockaddr_in6 *in6 = (const struct sockaddr_in6 *)addr->ifa_addr;
- if (!IN6_IS_ADDR_LINKLOCAL(&in6->sin6_addr))
- continue;
-
- if (strncmp(addr->ifa_name, G.ifname, IFNAMSIZ-1) != 0)
- continue;
-
- G.iface.ifaddr = in6->sin6_addr;
- }
-
- freeifaddrs(addrs);
-
- if (IN6_IS_ADDR_UNSPECIFIED(&G.iface.ifaddr))
- return;
-
- int joined = join_multicast();
- if (!joined)
- return;
-
- setsockopt(G.icmp_sock, SOL_SOCKET, SO_BINDTODEVICE, G.ifname, strnlen(G.ifname, IFNAMSIZ-1));
-
- G.iface.ok = true;
-
- if (memcmp(&old, &G.iface, sizeof(struct iface)) != 0 || joined == 2)
- schedule_advert(true);
-}
-
-
-static bool handle_rtnl_link(uint16_t type, const struct ifinfomsg *msg) {
- switch (type) {
- case RTM_NEWLINK:
- if (!G.iface.ok)
- return true;
-
- break;
-
- case RTM_SETLINK:
- if ((unsigned)msg->ifi_index == G.iface.ifindex)
- return true;
-
- if (!G.iface.ok)
- return true;
-
- break;
-
- case RTM_DELLINK:
- if (G.iface.ok && (unsigned)msg->ifi_index == G.iface.ifindex)
- return true;
- }
-
- return false;
-}
-
-static bool handle_rtnl_addr(uint16_t type, const struct ifaddrmsg *msg) {
- switch (type) {
- case RTM_NEWADDR:
- if (!G.iface.ok && (unsigned)msg->ifa_index == G.iface.ifindex)
- return true;
-
- break;
-
- case RTM_DELADDR:
- if (G.iface.ok && (unsigned)msg->ifa_index == G.iface.ifindex)
- return true;
- }
-
- return false;
-}
-
-static bool handle_rtnl_msg(uint16_t type, const void *data) {
- switch (type) {
- case RTM_NEWLINK:
- case RTM_DELLINK:
- case RTM_SETLINK:
- return handle_rtnl_link(type, data);
-
- case RTM_NEWADDR:
- case RTM_DELADDR:
- return handle_rtnl_addr(type, data);
-
- default:
- return false;
- }
-}
-
-static void handle_rtnl(void) {
- char buffer[4096];
-
- ssize_t len = recv(G.rtnl_sock, buffer, sizeof(buffer), 0);
- if (len < 0) {
- warn_errno("recv");
- return;
- }
-
- const struct nlmsghdr *nh;
- for (nh = (struct nlmsghdr *)buffer; NLMSG_OK(nh, len); nh = NLMSG_NEXT(nh, len)) {
- switch (nh->nlmsg_type) {
- case NLMSG_DONE:
- return;
-
- case NLMSG_ERROR:
- error(1, 0, "error: netlink error");
-
- default:
- if (handle_rtnl_msg(nh->nlmsg_type, NLMSG_DATA(nh))) {
- update_interface();
- return;
- }
- }
- }
-}
-
-static void add_pktinfo(struct msghdr *msg) {
- struct cmsghdr *cmsg = (struct cmsghdr*)((char*)msg->msg_control + msg->msg_controllen);
-
- cmsg->cmsg_level = IPPROTO_IPV6;
- cmsg->cmsg_type = IPV6_PKTINFO;
- cmsg->cmsg_len = CMSG_LEN(sizeof(struct in6_pktinfo));
-
- msg->msg_controllen += cmsg->cmsg_len;
-
- struct in6_pktinfo pktinfo = {
- .ipi6_addr = G.iface.ifaddr,
- .ipi6_ifindex = G.iface.ifindex,
- };
-
- memcpy(CMSG_DATA(cmsg), &pktinfo, sizeof(pktinfo));
-}
-
-
-static void handle_solicit(void) {
- struct sockaddr_in6 addr;
-
- uint8_t buffer[1500] __attribute__((aligned(8)));
- struct iovec vec = { .iov_base = buffer, .iov_len = sizeof(buffer) };
-
- uint8_t cbuf[1024] __attribute__((aligned(8)));
-
-
- struct msghdr msg = {
- .msg_name = &addr,
- .msg_namelen = sizeof(addr),
- .msg_iov = &vec,
- .msg_iovlen = 1,
- .msg_control = cbuf,
- .msg_controllen = sizeof(cbuf),
- };
-
- ssize_t len = recvmsg(G.icmp_sock, &msg, 0);
- if (len < (ssize_t)sizeof(struct nd_router_solicit)) {
- if (len < 0)
- warn_errno("recvmsg");
-
- return;
- }
-
- struct cmsghdr *cmsg;
- for (cmsg = CMSG_FIRSTHDR(&msg); cmsg != NULL; cmsg = CMSG_NXTHDR(&msg, cmsg)) {
- if (cmsg->cmsg_level != IPPROTO_IPV6)
- continue;
-
- if (cmsg->cmsg_type != IPV6_HOPLIMIT)
- continue;
-
- if (*(int*)CMSG_DATA(cmsg) != 255)
- return;
-
- break;
- }
-
- const struct nd_router_solicit *s = (struct nd_router_solicit *)buffer;
- if (s->nd_rs_hdr.icmp6_type != ND_ROUTER_SOLICIT || s->nd_rs_hdr.icmp6_code != 0)
- return;
-
- const struct icmpv6_opt *opt = (struct icmpv6_opt *)(buffer + sizeof(struct nd_router_solicit)), *end = (struct icmpv6_opt *)(buffer+len);
-
- for (; opt < end; opt += opt->length) {
- if (opt+1 < end)
- return;
-
- if (!opt->length)
- return;
-
- if (opt+opt->length < end)
- return;
-
- if (opt->type == ND_OPT_SOURCE_LINKADDR && IN6_IS_ADDR_UNSPECIFIED(&addr.sin6_addr))
- return;
- }
-
- if (opt != end)
- return;
-
- schedule_advert(true);
-}
-
-static void send_advert(void) {
- if (!G.iface.ok)
- return;
-
- struct nd_router_advert advert = {
- .nd_ra_hdr = {
- .icmp6_type = ND_ROUTER_ADVERT,
- .icmp6_dataun.icmp6_un_data8 = {AdvCurHopLimit, 0 /* Flags */, (AdvDefaultLifetime>>8) & 0xff, AdvDefaultLifetime & 0xff },
- },
- };
-
- struct icmpv6_opt lladdr = {ND_OPT_SOURCE_LINKADDR, 1, {}};
- memcpy(lladdr.data, G.iface.mac, sizeof(G.iface.mac));
-
- struct nd_opt_prefix_info prefixes[G.n_prefixes];
-
- size_t i;
- for (i = 0; i < G.n_prefixes; i++) {
- uint8_t flags = ND_OPT_PI_FLAG_AUTO;
-
- if (G.prefixes_onlink[i])
- flags |= ND_OPT_PI_FLAG_ONLINK;
-
- prefixes[i] = (struct nd_opt_prefix_info){
- .nd_opt_pi_type = ND_OPT_PREFIX_INFORMATION,
- .nd_opt_pi_len = 4,
- .nd_opt_pi_prefix_len = 64,
- .nd_opt_pi_flags_reserved = flags,
- .nd_opt_pi_valid_time = htonl(AdvValidLifetime),
- .nd_opt_pi_preferred_time = htonl(AdvPreferredLifetime),
- .nd_opt_pi_prefix = G.prefixes[i],
- };
- }
-
- struct iovec vec[3] = {
- { .iov_base = &advert, .iov_len = sizeof(advert) },
- { .iov_base = &lladdr, .iov_len = sizeof(lladdr) },
- { .iov_base = prefixes, .iov_len = sizeof(prefixes) },
- };
-
- struct sockaddr_in6 addr = {
- .sin6_family = AF_INET6,
- .sin6_addr = {
- .s6_addr = {
- /* all-nodes address */
- 0xff, 0x02, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x01,
- }
- },
- .sin6_scope_id = G.iface.ifindex,
- };
-
- uint8_t cbuf[1024] __attribute__((aligned(8))) = {};
-
- struct msghdr msg = {
- .msg_name = &addr,
- .msg_namelen = sizeof(addr),
- .msg_iov = vec,
- .msg_iovlen = 3,
- .msg_control = cbuf,
- .msg_controllen = 0,
- .msg_flags = 0,
- };
-
- add_pktinfo(&msg);
-
- if (sendmsg(G.icmp_sock, &msg, 0) < 0) {
- G.iface.ok = false;
- return;
- }
-
- G.next_advert_earliest = G.time;
- timespec_add(&G.next_advert_earliest, MIN_DELAY_BETWEEN_RAS);
-
- schedule_advert(false);
-}
-
-
-static void usage(void) {
- fprintf(stderr, "Usage: gluon-radvd [-h] -i <interface> -a/-p <prefix> [ -a/-p <prefix> ... ]\n");
-}
-
-static void add_prefix(const char *prefix, bool adv_onlink) {
- if (G.n_prefixes == MAX_PREFIXES)
- error(1, 0, "maximum number of prefixes is %i.", MAX_PREFIXES);
-
- const size_t len = strlen(prefix)+1;
- char prefix2[len];
- memcpy(prefix2, prefix, len);
-
- char *slash = strchr(prefix2, '/');
- if (slash) {
- *slash = 0;
- if (strcmp(slash+1, "64") != 0)
- goto error;
- }
-
- if (inet_pton(AF_INET6, prefix2, &G.prefixes[G.n_prefixes]) != 1)
- goto error;
-
- static const uint8_t zero[8] = {};
- if (memcmp(G.prefixes[G.n_prefixes].s6_addr + 8, zero, 8) != 0)
- goto error;
-
- G.prefixes_onlink[G.n_prefixes] = adv_onlink;
-
- G.n_prefixes++;
- return;
-
- error:
- error(1, 0, "invalid prefix %s (only prefixes of length 64 are supported).", prefix);
-}
-
-static void parse_cmdline(int argc, char *argv[]) {
- int c;
- while ((c = getopt(argc, argv, "i:a:p:h")) != -1) {
- switch(c) {
- case 'i':
- if (G.ifname)
- error(1, 0, "multiple interfaces are not supported.");
-
- G.ifname = optarg;
-
- break;
-
- case 'a':
- add_prefix(optarg, false);
- break;
-
- case 'p':
- add_prefix(optarg, true);
- break;
-
- case 'h':
- usage();
- exit(0);
-
- default:
- usage();
- exit(1);
- }
- }
-}
-
-int main(int argc, char *argv[]) {
- parse_cmdline(argc, argv);
-
- if (!G.ifname || !G.n_prefixes)
- error(1, 0, "interface and prefix arguments are required.");
-
- init_random();
- init_icmp();
- init_rtnl();
-
- update_time();
- G.next_advert = G.next_advert_earliest = G.time;
-
- update_interface();
-
- while (true) {
- struct pollfd fds[2] = {
- { .fd = G.icmp_sock, .events = POLLIN },
- { .fd = G.rtnl_sock, .events = POLLIN },
- };
-
- int timeout = -1;
-
- if (G.iface.ok) {
- timeout = timespec_diff(&G.next_advert, &G.time);
-
- if (timeout < 0)
- timeout = 0;
- }
-
- int ret = poll(fds, 2, timeout);
- if (ret < 0)
- exit_errno("poll");
-
- update_time();
-
- if (fds[0].revents & POLLIN)
- handle_solicit();
- if (fds[1].revents & POLLIN)
- handle_rtnl();
-
- if (timespec_after(&G.time, &G.next_advert))
- send_advert();
- }
-}