return 0;
}
-static int flower_port_range_attr_type(__u8 ip_proto, enum flower_endpoint type,
- __be16 *min_port_type,
- __be16 *max_port_type)
-{
- if (ip_proto == IPPROTO_TCP || ip_proto == IPPROTO_UDP ||
- ip_proto == IPPROTO_SCTP) {
- if (type == FLOWER_ENDPOINT_SRC) {
- *min_port_type = TCA_FLOWER_KEY_PORT_SRC_MIN;
- *max_port_type = TCA_FLOWER_KEY_PORT_SRC_MAX;
- } else {
- *min_port_type = TCA_FLOWER_KEY_PORT_DST_MIN;
- *max_port_type = TCA_FLOWER_KEY_PORT_DST_MAX;
- }
- } else {
- return -1;
- }
-
- return 0;
-}
-
-static int flower_parse_port_range(__be16 *min, __be16 *max, __u8 ip_proto,
- enum flower_endpoint endpoint,
- struct nlmsghdr *n)
-{
- __be16 min_port_type, max_port_type;
-
- if (flower_port_range_attr_type(ip_proto, endpoint, &min_port_type,
- &max_port_type))
- return -1;
-
- addattr16(n, MAX_MSG, min_port_type, *min);
- addattr16(n, MAX_MSG, max_port_type, *max);
-
- return 0;
-}
-
-static int get_range(__be16 *min, __be16 *max, char *argv)
-{
- char *r;
-
- r = strchr(argv, '-');
- if (r) {
- *r = '\0';
- if (get_be16(min, argv, 10)) {
- fprintf(stderr, "invalid min range\n");
- return -1;
- }
- if (get_be16(max, r + 1, 10)) {
- fprintf(stderr, "invalid max range\n");
- return -1;
- }
- if (htons(*max) <= htons(*min)) {
- fprintf(stderr, "max value should be greater than min value\n");
- return -1;
- }
- } else {
- fprintf(stderr, "Illegal range format\n");
- return -1;
- }
- return 0;
-}
-
#define TCP_FLAGS_MAX_MASK 0xfff
static int flower_parse_tcp_flags(char *str, int flags_type, int mask_type,
return -1;
}
} else if (matches(*argv, "dst_port") == 0) {
- __be16 min, max;
-
NEXT_ARG();
- if (matches(*argv, "range") == 0) {
- NEXT_ARG();
- ret = get_range(&min, &max, *argv);
- if (ret < 0)
- return -1;
- ret = flower_parse_port_range(&min, &max,
- ip_proto,
- FLOWER_ENDPOINT_DST,
- n);
- if (ret < 0) {
- fprintf(stderr, "Illegal \"dst_port range\"\n");
- return -1;
- }
- } else {
- ret = flower_parse_port(*argv, ip_proto,
- FLOWER_ENDPOINT_DST, n);
- if (ret < 0) {
- fprintf(stderr, "Illegal \"dst_port\"\n");
- return -1;
- }
+ ret = flower_parse_port(*argv, ip_proto,
+ FLOWER_ENDPOINT_DST, n);
+ if (ret < 0) {
+ fprintf(stderr, "Illegal \"dst_port\"\n");
+ return -1;
}
} else if (matches(*argv, "src_port") == 0) {
- __be16 min, max;
-
NEXT_ARG();
- if (matches(*argv, "range") == 0) {
- NEXT_ARG();
- ret = get_range(&min, &max, *argv);
- if (ret < 0)
- return -1;
- ret = flower_parse_port_range(&min, &max,
- ip_proto,
- FLOWER_ENDPOINT_SRC,
- n);
- if (ret < 0) {
- fprintf(stderr, "Illegal \"src_port range\"\n");
- return -1;
- }
- } else {
- ret = flower_parse_port(*argv, ip_proto,
- FLOWER_ENDPOINT_SRC, n);
- if (ret < 0) {
- fprintf(stderr, "Illegal \"src_port\"\n");
- return -1;
- }
+ ret = flower_parse_port(*argv, ip_proto,
+ FLOWER_ENDPOINT_SRC, n);
+ if (ret < 0) {
+ fprintf(stderr, "Illegal \"src_port\"\n");
+ return -1;
}
} else if (matches(*argv, "tcp_flags") == 0) {
NEXT_ARG();
print_hu(PRINT_ANY, name, namefrm, rta_getattr_be16(attr));
}
-static void flower_print_port_range(char *name, struct rtattr *min_attr,
- struct rtattr *max_attr)
-{
- SPRINT_BUF(namefrm);
- SPRINT_BUF(out);
- size_t done;
-
- if (!min_attr || !max_attr)
- return;
-
- done = sprintf(out, "%u", rta_getattr_be16(min_attr));
- sprintf(out + done, "-%u", rta_getattr_be16(max_attr));
- sprintf(namefrm, "\n %s %%s", name);
- print_string(PRINT_ANY, name, namefrm, out);
-}
-
static void flower_print_tcp_flags(const char *name, struct rtattr *flags_attr,
struct rtattr *mask_attr)
{
struct rtattr *opt, __u32 handle)
{
struct rtattr *tb[TCA_FLOWER_MAX + 1];
- __be16 min_port_type, max_port_type;
int nl_type, nl_mask_type;
__be16 eth_type = 0;
__u8 ip_proto = 0xff;
if (nl_type >= 0)
flower_print_port("src_port", tb[nl_type]);
- if (!flower_port_range_attr_type(ip_proto, FLOWER_ENDPOINT_DST,
- &min_port_type, &max_port_type))
- flower_print_port_range("dst_port range",
- tb[min_port_type], tb[max_port_type]);
-
- if (!flower_port_range_attr_type(ip_proto, FLOWER_ENDPOINT_SRC,
- &min_port_type, &max_port_type))
- flower_print_port_range("src_port range",
- tb[min_port_type], tb[max_port_type]);
-
flower_print_tcp_flags("tcp_flags", tb[TCA_FLOWER_KEY_TCP_FLAGS],
tb[TCA_FLOWER_KEY_TCP_FLAGS_MASK]);