From 4ca7f7e12118ece6aa589f9c45e1cec5404ff415 Mon Sep 17 00:00:00 2001 From: Hans Dedecker Date: Thu, 21 Mar 2019 09:19:00 +0100 Subject: [PATCH] router: add extra syslog tracing Signed-off-by: Hans Dedecker --- src/router.c | 23 +++++++++++++++++------ 1 file changed, 17 insertions(+), 6 deletions(-) diff --git a/src/router.c b/src/router.c index a3456a8..ec0bee0 100644 --- a/src/router.c +++ b/src/router.c @@ -292,7 +292,6 @@ static bool parse_routes(struct odhcpd_ipaddr *n, ssize_t len) break; } } - } } @@ -456,9 +455,13 @@ static uint64_t send_router_advert(struct interface *iface, const struct in6_add } if (odhcpd_bmemcmp(&addr->addr, &iface->pio_filter_addr, - iface->pio_filter_length) != 0 || - addr->prefix < iface->pio_filter_length) - continue; // PIO filtered out of this RA + iface->pio_filter_length) != 0 || + addr->prefix < iface->pio_filter_length) { + syslog(LOG_INFO, "Address %s filtered out as RA prefix on %s", + inet_ntop(AF_INET6, &addr->addr.in6, buf, sizeof(buf)), + iface->name); + continue; /* PIO filtered out of this RA */ + } struct nd_opt_prefix_info *p = NULL; for (size_t i = 0; i < pfxs_cnt; ++i) { @@ -605,8 +608,12 @@ static uint64_t send_router_advert(struct interface *iface, const struct in6_add if (odhcpd_bmemcmp(&addr->addr, &iface->pio_filter_addr, iface->pio_filter_length) != 0 || - addr->prefix < iface->pio_filter_length) - continue; /* RIO filtered out of this RA */ + addr->prefix < iface->pio_filter_length) { + syslog(LOG_INFO, "Address %s filtered out as RA route on %s", + inet_ntop(AF_INET6, &addr->addr.in6, buf, sizeof(buf)), + iface->name); + continue; /* PIO filtered out of this RA */ + } if (addr->dprefix > 32) { addr->addr.in6.s6_addr32[1] &= htonl(~((1U << (64 - addr->dprefix)) - 1)); @@ -668,6 +675,8 @@ static uint64_t send_router_advert(struct interface *iface, const struct in6_add else inet_pton(AF_INET6, ALL_IPV6_NODES, &dest.sin6_addr); + syslog(LOG_INFO, "Sending a RA on %s", iface->name); + odhcpd_send(router_event.uloop.fd, &dest, iov, ARRAY_SIZE(iov), iface); @@ -795,6 +804,8 @@ static void forward_router_advertisement(const struct interface *iface, uint8_t } } + syslog(LOG_NOTICE, "Forward a RA on %s", c->name); + odhcpd_send(router_event.uloop.fd, &all_nodes, &iov, 1, c); } } -- 2.30.2