static void
put_be16(struct ofpbuf *b, ovs_be16 x)
{
ofpbuf_put(b, &x, sizeof x);
}
/* Helper for bundle_parse and bundle_parse_load.
*
* Returns NULL if successful, otherwise a malloc()'d string describing the
* error. The caller is responsible for freeing the returned string.*/
static char * OVS_WARN_UNUSED_RESULT
bundle_parse__(const char *s, char **save_ptr,
const char *fields, const char *basis, const char *algorithm,
const char *slave_type, const char *dst,
const char *slave_delim, struct ofpbuf *ofpacts)
{
struct ofpact_bundle *bundle;
if (!slave_delim) {
return xasprintf("%s: not enough arguments to bundle action", s);
}
if (strcasecmp(slave_delim, "slaves")) {
return xasprintf("%s: missing slave delimiter, expected `slaves' "
"got `%s'", s, slave_delim);
}
bundle = ofpact_put_BUNDLE(ofpacts);
for (;;) {
ofp_port_t slave_port;
char *slave;
slave = strtok_r(NULL, ", []", save_ptr);
if (!slave || bundle->n_slaves >= BUNDLE_MAX_SLAVES) {
break;
}
if (!ofputil_port_from_string(slave, &slave_port)) {
return xasprintf("%s: bad port number", slave);
}
ofpbuf_put(ofpacts, &slave_port, sizeof slave_port);
bundle = ofpacts->header;
bundle->n_slaves++;
}
ofpact_finish(ofpacts, &bundle->ofpact);
bundle = ofpacts->header;
bundle->basis = atoi(basis);
if (!strcasecmp(fields, "eth_src")) {
bundle->fields = NX_HASH_FIELDS_ETH_SRC;
} else if (!strcasecmp(fields, "symmetric_l4")) {
bundle->fields = NX_HASH_FIELDS_SYMMETRIC_L4;
} else if (!strcasecmp(fields, "symmetric_l3l4")) {
bundle->fields = NX_HASH_FIELDS_SYMMETRIC_L3L4;
} else if (!strcasecmp(fields, "symmetric_l3l4+udp")) {
bundle->fields = NX_HASH_FIELDS_SYMMETRIC_L3L4_UDP;
} else {
return xasprintf("%s: unknown fields `%s'", s, fields);
}
if (!strcasecmp(algorithm, "active_backup")) {
bundle->algorithm = NX_BD_ALG_ACTIVE_BACKUP;
} else if (!strcasecmp(algorithm, "hrw")) {
bundle->algorithm = NX_BD_ALG_HRW;
} else {
return xasprintf("%s: unknown algorithm `%s'", s, algorithm);
}
if (strcasecmp(slave_type, "ofport")) {
return xasprintf("%s: unknown slave_type `%s'", s, slave_type);
}
if (dst) {
char *error = mf_parse_subfield(&bundle->dst, dst);
if (error) {
return error;
}
if (!mf_nxm_header(bundle->dst.field->id)) {
return xasprintf("%s: experimenter OXM field '%s' not supported",
s, dst);
}
}
return NULL;
}