}
}
+static void
+format_be16x(struct ds *ds, const char *name, ovs_be16 key,
+ const ovs_be16 *mask, bool verbose)
+{
+ bool mask_empty = mask && !*mask;
+
+ if (verbose || !mask_empty) {
+ bool mask_full = !mask || *mask == OVS_BE16_MAX;
+
+ ds_put_format(ds, "%s=%#"PRIx16, name, ntohs(key));
+ if (!mask_full) { /* Partially masked. */
+ ds_put_format(ds, "/%#"PRIx16, ntohs(*mask));
+ }
+ ds_put_char(ds, ',');
+ }
+}
+
static void
format_tun_flags(struct ds *ds, const char *name, uint16_t key,
const uint16_t *mask, bool verbose)
ofpbuf_uninit(&ofp);
}
+#define MASK(PTR, FIELD) PTR ? &PTR->FIELD : NULL
+
+static void
+format_odp_tun_geneve(const struct nlattr *attr,
+ const struct nlattr *mask_attr, struct ds *ds,
+ bool verbose)
+{
+ int opts_len = nl_attr_get_size(attr);
+ const struct geneve_opt *opt = nl_attr_get(attr);
+ const struct geneve_opt *mask = mask_attr ?
+ nl_attr_get(mask_attr) : NULL;
+
+ if (mask && nl_attr_get_size(attr) != nl_attr_get_size(mask_attr)) {
+ ds_put_format(ds, "value len %"PRIuSIZE" different from mask len %"PRIuSIZE,
+ nl_attr_get_size(attr), nl_attr_get_size(mask_attr));
+ return;
+ }
+
+ while (opts_len > 0) {
+ unsigned int len;
+ uint8_t data_len, data_len_mask;
+
+ if (opts_len < sizeof *opt) {
+ ds_put_format(ds, "opt len %u less than minimum %"PRIuSIZE,
+ opts_len, sizeof *opt);
+ return;
+ }
+
+ data_len = opt->length * 4;
+ if (mask) {
+ if (mask->length == 0x1f) {
+ data_len_mask = UINT8_MAX;
+ } else {
+ data_len_mask = mask->length;
+ }
+ }
+ len = sizeof *opt + data_len;
+ if (len > opts_len) {
+ ds_put_format(ds, "opt len %u greater than remaining %u",
+ len, opts_len);
+ return;
+ }
+
+ ds_put_char(ds, '{');
+ format_be16x(ds, "class", opt->opt_class, MASK(mask, opt_class),
+ verbose);
+ format_u8x(ds, "type", opt->type, MASK(mask, type), verbose);
+ format_u8u(ds, "len", data_len, mask ? &data_len_mask : NULL, verbose);
+ if (verbose || !mask || !is_all_zeros(mask + 1, data_len)) {
+ ds_put_hex(ds, opt + 1, data_len);
+ if (mask && !is_all_ones(mask + 1, data_len)) {
+ ds_put_char(ds, '/');
+ ds_put_hex(ds, mask + 1, data_len);
+ }
+ } else {
+ ds_chomp(ds, ',');
+ }
+ ds_put_char(ds, '}');
+
+ opt += len / sizeof(*opt);
+ if (mask) {
+ mask += len / sizeof(*opt);
+ }
+ opts_len -= len;
+ };
+}
+
static void
format_odp_tun_attr(const struct nlattr *attr, const struct nlattr *mask_attr,
struct ds *ds, bool verbose)
ds_put_cstr(ds, "),");
break;
case OVS_TUNNEL_KEY_ATTR_GENEVE_OPTS:
- /* Not really implemented yet, handle as unknown. */
+ ds_put_cstr(ds, "geneve(");
+ format_odp_tun_geneve(a, ma, ds, verbose);
+ ds_put_cstr(ds, "),");
+ break;
case __OVS_TUNNEL_KEY_ATTR_MAX:
default:
format_unknown_key(ds, a, ma);
}
}
-#define MASK(PTR, FIELD) PTR ? &PTR->FIELD : NULL
-
static void
format_odp_key_attr(const struct nlattr *a, const struct nlattr *ma,
const struct hmap *portno_names, struct ds *ds,
return 0;
}
+struct geneve_scan {
+ uint8_t d[252];
+ int len;
+};
+
+static int
+scan_geneve(const char *s, struct geneve_scan *key, struct geneve_scan *mask)
+{
+ const char *s_base = s;
+ struct geneve_opt *opt = (struct geneve_opt *)key->d;
+ struct geneve_opt *opt_mask = (struct geneve_opt *)(mask ? mask->d : NULL);
+ int len_remain = sizeof key->d;
+
+ while (s[0] == '{' && len_remain >= sizeof *opt) {
+ int data_len = 0;
+
+ s++;
+ len_remain -= sizeof *opt;
+
+ if (!strncmp(s, "class=", 6)) {
+ s += 6;
+ s += scan_be16(s, &opt->opt_class,
+ mask ? &opt_mask->opt_class : NULL);
+ } else if (mask) {
+ memset(&opt_mask->opt_class, 0, sizeof opt_mask->opt_class);
+ }
+
+ if (s[0] == ',') {
+ s++;
+ }
+ if (!strncmp(s, "type=", 5)) {
+ s += 5;
+ s += scan_u8(s, &opt->type, mask ? &opt_mask->type : NULL);
+ } else if (mask) {
+ memset(&opt_mask->type, 0, sizeof opt_mask->type);
+ }
+
+ if (s[0] == ',') {
+ s++;
+ }
+ if (!strncmp(s, "len=", 4)) {
+ uint8_t opt_len, opt_len_mask;
+ s += 4;
+ s += scan_u8(s, &opt_len, mask ? &opt_len_mask : NULL);
+
+ if (opt_len > 124 || opt_len % 4 || opt_len > len_remain) {
+ return 0;
+ }
+ opt->length = opt_len / 4;
+ if (mask) {
+ opt_mask->length = opt_len_mask;
+ }
+ data_len = opt_len;
+ } else if (mask) {
+ memset(&opt_mask->type, 0, sizeof opt_mask->type);
+ }
+
+ if (s[0] == ',') {
+ s++;
+ }
+ if (parse_int_string(s, (uint8_t *)(opt + 1), data_len, (char **)&s)) {
+ return 0;
+ }
+
+ if (mask) {
+ if (s[0] == '/') {
+ s++;
+ if (parse_int_string(s, (uint8_t *)(opt_mask + 1),
+ data_len, (char **)&s)) {
+ return 0;
+ }
+ }
+ opt_mask->r1 = 0;
+ opt_mask->r2 = 0;
+ opt_mask->r3 = 0;
+ }
+
+ if (s[0] == '}') {
+ s++;
+ opt += 1 + data_len / 4;
+ if (mask) {
+ opt_mask += 1 + data_len / 4;
+ }
+ len_remain -= data_len;
+ }
+ }
+
+ if (s[0] == ')') {
+ int len = sizeof key->d - len_remain;
+
+ s++;
+ key->len = len;
+ if (mask) {
+ mask->len = len;
+ }
+ return s - s_base;
+ }
+
+ return 0;
+}
+
static void
tun_flags_to_attr(struct ofpbuf *a, const void *data_)
{
}
}
+static void
+geneve_to_attr(struct ofpbuf *a, const void *data_)
+{
+ const struct geneve_scan *geneve = data_;
+
+ nl_msg_put_unspec(a, OVS_TUNNEL_KEY_ATTR_GENEVE_OPTS, geneve->d,
+ geneve->len);
+}
+
#define SCAN_PUT_ATTR(BUF, ATTR, DATA, FUNC) \
{ \
unsigned long call_fn = (unsigned long)FUNC; \
SCAN_FIELD_NESTED("tp_src=", ovs_be16, be16, OVS_TUNNEL_KEY_ATTR_TP_SRC);
SCAN_FIELD_NESTED("tp_dst=", ovs_be16, be16, OVS_TUNNEL_KEY_ATTR_TP_DST);
SCAN_FIELD_NESTED_FUNC("vxlan(gbp(", uint32_t, vxlan_gbp, vxlan_gbp_to_attr);
+ SCAN_FIELD_NESTED_FUNC("geneve(", struct geneve_scan, geneve,
+ geneve_to_attr);
SCAN_FIELD_NESTED_FUNC("flags(", uint16_t, tun_flags, tun_flags_to_attr);
} SCAN_END_NESTED();