diff --git a/tc/f_fw.c b/tc/f_fw.c index 046f6146..6d1490b4 100644 --- a/tc/f_fw.c +++ b/tc/f_fw.c @@ -40,19 +40,30 @@ static int fw_parse_opt(struct filter_util *qu, char *handle, int argc, char **a memset(&tp, 0, sizeof(tp)); + tail = NLMSG_TAIL(n); + addattr_l(n, 4096, TCA_OPTIONS, NULL, 0); + if (handle) { + char *slash; + __u32 mask = 0; + if ((slash = strchr(handle, '/')) != NULL) + *slash = '\0'; if (get_u32(&t->tcm_handle, handle, 0)) { fprintf(stderr, "Illegal \"handle\"\n"); return -1; } + if (slash) { + if (get_u32(&mask, slash+1, 0)) { + fprintf(stderr, "Illegal \"handle\" mask\n"); + return -1; + } + addattr32(n, MAX_MSG, TCA_FW_MASK, mask); + } } if (argc == 0) return 0; - tail = NLMSG_TAIL(n); - addattr_l(n, 4096, TCA_OPTIONS, NULL, 0); - while (argc > 0) { if (matches(*argv, "classid") == 0 || matches(*argv, "flowid") == 0) { @@ -111,8 +122,16 @@ static int fw_print_opt(struct filter_util *qu, FILE *f, struct rtattr *opt, __u parse_rtattr_nested(tb, TCA_FW_MAX, opt); - if (handle) - fprintf(f, "handle 0x%x ", handle); + if (handle || tb[TCA_FW_MASK]) { + __u32 mark = 0, mask = 0; + if(handle) + mark = handle; + if(tb[TCA_FW_MASK] && + (mask = *(__u32*)RTA_DATA(tb[TCA_FW_MASK])) != 0xFFFFFFFF) + fprintf(f, "handle 0x%x/0x%x ", mark, mask); + else + fprintf(f, "handle 0x%x ", handle); + } if (tb[TCA_FW_CLASSID]) { SPRINT_BUF(b1);