" enc_ttl MASKED-IP_TTL |\n"
" geneve_opts MASKED-OPTIONS |\n"
" vxlan_opts MASKED-OPTIONS |\n"
+ " erspan_opts MASKED-OPTIONS |\n"
" ip_flags IP-FLAGS | \n"
" enc_dst_port [ port_number ] |\n"
" ct_state MASKED_CT_STATE |\n"
return 0;
}
+static int flower_parse_erspan_opt(char *str, struct nlmsghdr *n)
+{
+ struct rtattr *nest;
+ char *token;
+ int i, err;
+
+ nest = addattr_nest(n, MAX_MSG,
+ TCA_FLOWER_KEY_ENC_OPTS_ERSPAN | NLA_F_NESTED);
+
+ i = 1;
+ token = strsep(&str, ":");
+ while (token) {
+ switch (i) {
+ case TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER:
+ {
+ __u8 opt_type;
+
+ if (!strlen(token))
+ break;
+ err = get_u8(&opt_type, token, 0);
+ if (err)
+ return err;
+
+ addattr8(n, MAX_MSG, i, opt_type);
+ break;
+ }
+ case TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX:
+ {
+ __be32 opt_index;
+
+ if (!strlen(token))
+ break;
+ err = get_be32(&opt_index, token, 0);
+ if (err)
+ return err;
+
+ addattr32(n, MAX_MSG, i, opt_index);
+ break;
+ }
+ case TCA_FLOWER_KEY_ENC_OPT_ERSPAN_DIR:
+ {
+ __u8 opt_type;
+
+ if (!strlen(token))
+ break;
+ err = get_u8(&opt_type, token, 0);
+ if (err)
+ return err;
+
+ addattr8(n, MAX_MSG, i, opt_type);
+ break;
+ }
+ case TCA_FLOWER_KEY_ENC_OPT_ERSPAN_HWID:
+ {
+ __u8 opt_type;
+
+ if (!strlen(token))
+ break;
+ err = get_u8(&opt_type, token, 0);
+ if (err)
+ return err;
+
+ addattr8(n, MAX_MSG, i, opt_type);
+ break;
+ }
+ default:
+ fprintf(stderr, "Unknown \"geneve_opts\" type\n");
+ return -1;
+ }
+
+ token = strsep(&str, ":");
+ i++;
+ }
+ addattr_nest_end(n, nest);
+
+ return 0;
+}
+
static int flower_parse_geneve_opts(char *str, struct nlmsghdr *n)
{
char *token;
return 0;
}
+static int flower_parse_enc_opts_erspan(char *str, struct nlmsghdr *n)
+{
+ char key[XATTR_SIZE_MAX], mask[XATTR_SIZE_MAX];
+ struct rtattr *nest;
+ char *slash;
+ int err;
+
+
+ slash = strchr(str, '/');
+ if (slash) {
+ *slash++ = '\0';
+ if (strlen(slash) > XATTR_SIZE_MAX)
+ return -1;
+ strcpy(mask, slash);
+ } else {
+ int index;
+
+ slash = strchr(str, ':');
+ index = (int)(slash - str);
+ memcpy(mask, str, index);
+ strcpy(mask + index, ":0xffffffff:0xff:0xff");
+ }
+
+ if (strlen(str) > XATTR_SIZE_MAX)
+ return -1;
+ strcpy(key, str);
+
+ nest = addattr_nest(n, MAX_MSG, TCA_FLOWER_KEY_ENC_OPTS | NLA_F_NESTED);
+ err = flower_parse_erspan_opt(key, n);
+ if (err)
+ return err;
+ addattr_nest_end(n, nest);
+
+ nest = addattr_nest(n, MAX_MSG,
+ TCA_FLOWER_KEY_ENC_OPTS_MASK | NLA_F_NESTED);
+ err = flower_parse_erspan_opt(mask, n);
+ if (err)
+ return err;
+ addattr_nest_end(n, nest);
+
+ return 0;
+}
+
static int flower_parse_opt(struct filter_util *qu, char *handle,
int argc, char **argv, struct nlmsghdr *n)
{
fprintf(stderr, "Illegal \"vxlan_opts\"\n");
return -1;
}
+ } else if (matches(*argv, "erspan_opts") == 0) {
+ NEXT_ARG();
+ ret = flower_parse_enc_opts_erspan(*argv, n);
+ if (ret < 0) {
+ fprintf(stderr, "Illegal \"erspan_opts\"\n");
+ return -1;
+ }
} else if (matches(*argv, "action") == 0) {
NEXT_ARG();
ret = parse_action(&argc, &argv, TCA_FLOWER_ACT, n);
sprintf(strbuf, "%u", gbp);
}
+static void flower_print_erspan_opts(const char *name, struct rtattr *attr,
+ char *strbuf)
+{
+ struct rtattr *tb[TCA_FLOWER_KEY_ENC_OPT_ERSPAN_MAX + 1];
+ __u8 ver, hwid, dir;
+ __u32 idx;
+
+ parse_rtattr(tb, TCA_FLOWER_KEY_ENC_OPT_ERSPAN_MAX, RTA_DATA(attr),
+ RTA_PAYLOAD(attr));
+ ver = rta_getattr_u8(tb[TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER]);
+ if (ver == 1) {
+ idx = rta_getattr_be32(tb[TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX]);
+ hwid = 0;
+ dir = 0;
+ } else {
+ idx = 0;
+ hwid = rta_getattr_u8(tb[TCA_FLOWER_KEY_ENC_OPT_ERSPAN_HWID]);
+ dir = rta_getattr_u8(tb[TCA_FLOWER_KEY_ENC_OPT_ERSPAN_DIR]);
+ }
+
+ open_json_array(PRINT_JSON, name);
+ open_json_object(NULL);
+ print_uint(PRINT_JSON, "ver", NULL, ver);
+ print_uint(PRINT_JSON, "index", NULL, idx);
+ print_uint(PRINT_JSON, "dir", NULL, dir);
+ print_uint(PRINT_JSON, "hwid", NULL, hwid);
+ close_json_object();
+ close_json_array(PRINT_JSON, name);
+
+ sprintf(strbuf, "%u:%u:%u:%u", ver, idx, dir, hwid);
+}
+
static void flower_print_enc_parts(const char *name, const char *namefrm,
struct rtattr *attr, char *key, char *mask)
{
flower_print_enc_parts(name, " vxlan_opts %s", attr, key,
msk);
+ } else if (key_tb[TCA_FLOWER_KEY_ENC_OPTS_ERSPAN]) {
+ flower_print_erspan_opts("erspan_opt_key",
+ key_tb[TCA_FLOWER_KEY_ENC_OPTS_ERSPAN], key);
+
+ if (msk_tb[TCA_FLOWER_KEY_ENC_OPTS_ERSPAN])
+ flower_print_erspan_opts("erspan_opt_mask",
+ msk_tb[TCA_FLOWER_KEY_ENC_OPTS_ERSPAN], msk);
+
+ flower_print_enc_parts(name, " erspan_opts %s", attr, key,
+ msk);
}
free(msk);