diff options
| -rw-r--r-- | proto_nlmsg.c | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/proto_nlmsg.c b/proto_nlmsg.c index 9dc9f6b..5018adf 100644 --- a/proto_nlmsg.c +++ b/proto_nlmsg.c @@ -30,6 +30,15 @@ #define RTA_UINT32(attr) (*(uint32_t *)RTA_DATA(attr)) #define RTA_STR(attr) ((char *)RTA_DATA(attr)) +#ifndef NDA_RTA +#define NDA_RTA(r) \ + ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct ndmsg)))) +#endif + +#ifndef NDA_PAYLOAD +#define NDA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct ndmsg)) +#endif + #define attr_fmt(attr, fmt, ...) \ tprintf("\tA: "fmt, ##__VA_ARGS__); \ tprintf(", Len %lu\n", RTA_LEN(attr)); @@ -562,6 +571,93 @@ static void rtnl_print_route(struct nlmsghdr *hdr) } } +static struct flag_name neigh_states[] = { + { "incomplete", NUD_INCOMPLETE }, + { "reachable", NUD_REACHABLE }, + { "stale", NUD_STALE }, + { "delay", NUD_DELAY }, + { "probe", NUD_PROBE }, + { "failed", NUD_FAILED }, + { "noarp", NUD_NOARP }, + { "permanent", NUD_PERMANENT }, + { "none", NUD_NONE }, + { NULL, 0 }, +}; + +static struct flag_name neigh_flags[] = { + { "use", NTF_USE }, + { "self", NTF_SELF }, + { "master", NTF_MASTER }, + { "proxy", NTF_PROXY }, +#ifdef NTF_EXT_LEARNED + { "ext learned", NTF_EXT_LEARNED }, +#endif + { "router", NTF_ROUTER }, + { NULL, 0 }, +}; + +static void rtnl_print_neigh(struct nlmsghdr *hdr) +{ + struct ndmsg *ndm = NLMSG_DATA(hdr); + uint32_t attrs_len = NDA_PAYLOAD(hdr); + struct rtattr *attr = NDA_RTA(ndm); + struct nda_cacheinfo *ci; + int hz = get_user_hz(); + char addr_str[256]; + char hw_addr[30]; + char states[256]; + char flags[256]; + + tprintf(" [ Neigh Family %d (%s%s%s)", ndm->ndm_family, + colorize_start(bold), + addr_family2str(ndm->ndm_family), + colorize_end()); + tprintf(", Link Index %d", ndm->ndm_ifindex); + tprintf(", State %d (%s%s%s)", ndm->ndm_state, + colorize_start(bold), + flags2str(neigh_states, ndm->ndm_state, states, + sizeof(states)), + colorize_end()); + tprintf(", Flags %d (%s%s%s)", ndm->ndm_flags, + colorize_start(bold), + flags2str(neigh_flags, ndm->ndm_flags, flags, + sizeof(flags)), + colorize_end()); + tprintf(", Type %d (%s%s%s)", ndm->ndm_type, + colorize_start(bold), + route_type2str(ndm->ndm_type), + colorize_end()); + tprintf(" ]\n"); + + for (; RTA_OK(attr, attrs_len); attr = RTA_NEXT(attr, attrs_len)) { + switch (attr->rta_type) { + case NDA_DST: + attr_fmt(attr, "Address %s", addr2str(ndm->ndm_family, + RTA_DATA(attr), addr_str, + sizeof(addr_str))); + break; + case NDA_LLADDR: + attr_fmt(attr, "HW Address %s", + device_addr2str(RTA_DATA(attr), + RTA_LEN(attr), 0, hw_addr, + sizeof(hw_addr))); + break; + case NDA_PROBES: + attr_fmt(attr, "Probes %d", RTA_UINT32(attr)); + break; + case NDA_CACHEINFO: + ci = RTA_DATA(attr); + tprintf("\tA: Cache ("); + tprintf("confirmed(%ds)", ci->ndm_confirmed / hz); + tprintf(", used(%ds)", ci->ndm_used / hz); + tprintf(", updated(%ds)", ci->ndm_updated / hz); + tprintf(", refcnt(%d))", ci->ndm_refcnt); + tprintf(", Len %lu\n", RTA_LEN(attr)); + break; + } + } +} + static void rtnl_msg_print(struct nlmsghdr *hdr) { switch (hdr->nlmsg_type) { @@ -581,6 +677,11 @@ static void rtnl_msg_print(struct nlmsghdr *hdr) case RTM_GETROUTE: rtnl_print_route(hdr); break; + case RTM_NEWNEIGH: + case RTM_DELNEIGH: + case RTM_GETNEIGH: + rtnl_print_neigh(hdr); + break; } } |