diff options
Diffstat (limited to 'bridge/mdb.c')
| -rw-r--r-- | bridge/mdb.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/bridge/mdb.c b/bridge/mdb.c index 137d509c..89348821 100644 --- a/bridge/mdb.c +++ b/bridge/mdb.c @@ -14,6 +14,7 @@ #include <linux/if_ether.h> #include <string.h> #include <arpa/inet.h> +#include <netdb.h> #include "libnetlink.h" #include "utils.h" @@ -33,6 +34,7 @@ static void usage(void) fprintf(stderr, "Usage: bridge mdb { add | del | replace } dev DEV port PORT grp GROUP [src SOURCE] [permanent | temp] [vid VID]\n" " [ filter_mode { include | exclude } ] [ source_list SOURCE_LIST ] [ proto PROTO ] [ dst IPADDR ]\n" + " [ dst_port DST_PORT ]\n" " bridge mdb {show} [ dev DEV ] [ vid VID ]\n"); exit(-1); } @@ -258,6 +260,10 @@ static void print_mdb_entry(FILE *f, int ifindex, const struct br_mdb_entry *e, if (tb[MDBA_MDB_EATTR_DST]) print_dst(tb[MDBA_MDB_EATTR_DST]); + if (tb[MDBA_MDB_EATTR_DST_PORT]) + print_uint(PRINT_ANY, "dst_port", " dst_port %u", + rta_getattr_u16(tb[MDBA_MDB_EATTR_DST_PORT])); + if (show_stats && tb && tb[MDBA_MDB_EATTR_TIMER]) { __u32 timer = rta_getattr_u32(tb[MDBA_MDB_EATTR_TIMER]); @@ -607,6 +613,29 @@ static int mdb_parse_dst(struct nlmsghdr *n, int maxlen, const char *dst) return -1; } +static int mdb_parse_dst_port(struct nlmsghdr *n, int maxlen, + const char *dst_port) +{ + unsigned long port; + char *endptr; + + port = strtoul(dst_port, &endptr, 0); + if (endptr && *endptr) { + struct servent *pse; + + pse = getservbyname(dst_port, "udp"); + if (!pse) + return -1; + port = ntohs(pse->s_port); + } else if (port > USHRT_MAX) { + return -1; + } + + addattr16(n, maxlen, MDBE_ATTR_DST_PORT, port); + + return 0; +} + static int mdb_modify(int cmd, int flags, int argc, char **argv) { struct { @@ -621,6 +650,7 @@ static int mdb_modify(int cmd, int flags, int argc, char **argv) }; char *d = NULL, *p = NULL, *grp = NULL, *src = NULL, *mode = NULL; char *src_list = NULL, *proto = NULL, *dst = NULL; + char *dst_port = NULL; struct br_mdb_entry entry = {}; bool set_attrs = false; short vid = 0; @@ -663,6 +693,10 @@ static int mdb_modify(int cmd, int flags, int argc, char **argv) NEXT_ARG(); dst = *argv; set_attrs = true; + } else if (strcmp(*argv, "dst_port") == 0) { + NEXT_ARG(); + dst_port = *argv; + set_attrs = true; } else { if (matches(*argv, "help") == 0) usage(); @@ -722,6 +756,12 @@ static int mdb_modify(int cmd, int flags, int argc, char **argv) return -1; } + if (dst_port && mdb_parse_dst_port(&req.n, sizeof(req), + dst_port)) { + fprintf(stderr, "Invalid destination port \"%s\"\n", dst_port); + return -1; + } + addattr_nest_end(&req.n, nest); } |