-/* Copyright (c) 2011 Nicira Networks.
+/* Copyright (c) 2011, 2012 Nicira Networks.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
#include "multipath.h"
#include "nx-match.h"
#include "ofpbuf.h"
+#include "ofp-errors.h"
#include "ofp-util.h"
#include "openflow/nicira-ext.h"
#include "vlog.h"
/* Checks that 'nab' specifies a bundle action which is supported by this
* bundle module. Uses the 'max_ports' parameter to validate each port using
* ofputil_check_output_port(). Returns 0 if 'nab' is supported, otherwise an
- * OpenFlow error code (as returned by ofp_mkerr()). */
-int
+ * OFPERR_* error code. */
+enum ofperr
bundle_check(const struct nx_action_bundle *nab, int max_ports,
const struct flow *flow)
{
uint16_t n_slaves, fields, algorithm, subtype;
uint32_t slave_type;
size_t slaves_size, i;
- int error;
+ enum ofperr error;
subtype = ntohs(nab->subtype);
n_slaves = ntohs(nab->n_slaves);
slave_type = ntohl(nab->slave_type);
slaves_size = ntohs(nab->len) - sizeof *nab;
- error = ofp_mkerr(OFPET_BAD_ACTION, OFPBAC_BAD_ARGUMENT);
+ error = OFPERR_OFPBAC_BAD_ARGUMENT;
if (!flow_hash_fields_valid(fields)) {
VLOG_WARN_RL(&rl, "unsupported fields %"PRIu16, fields);
} else if (n_slaves > BUNDLE_MAX_SLAVES) {
for (i = 0; i < sizeof(nab->zero); i++) {
if (nab->zero[i]) {
VLOG_WARN_RL(&rl, "reserved field is nonzero");
- error = ofp_mkerr(OFPET_BAD_ACTION, OFPBAC_BAD_ARGUMENT);
+ error = OFPERR_OFPBAC_BAD_ARGUMENT;
}
}
if (subtype == NXAST_BUNDLE && (nab->ofs_nbits || nab->dst)) {
VLOG_WARN_RL(&rl, "bundle action has nonzero reserved fields");
- error = ofp_mkerr(OFPET_BAD_ACTION, OFPBAC_BAD_ARGUMENT);
+ error = OFPERR_OFPBAC_BAD_ARGUMENT;
}
if (subtype == NXAST_BUNDLE_LOAD) {
- error = nxm_dst_check(nab->dst, nab->ofs_nbits, 16, flow) || error;
+ int ofs = nxm_decode_ofs(nab->ofs_nbits);
+ int n_bits = nxm_decode_n_bits(nab->ofs_nbits);
+
+ if (n_bits < 16) {
+ VLOG_WARN_RL(&rl, "bundle_load action requires at least 16 bit "
+ "destination.");
+ error = OFPERR_OFPBAC_BAD_ARGUMENT;
+ } else if (!error) {
+ error = nxm_dst_check(nab->dst, ofs, n_bits, flow);
+ }
}
if (slaves_size < n_slaves * sizeof(ovs_be16)) {
"allocated for slaves. %zu bytes are required for "
"%"PRIu16" slaves.", subtype, slaves_size,
n_slaves * sizeof(ovs_be16), n_slaves);
- error = ofp_mkerr(OFPET_BAD_ACTION, OFPBAC_BAD_LEN);
+ error = OFPERR_OFPBAC_BAD_LEN;
}
for (i = 0; i < n_slaves; i++) {
uint16_t ofp_port = bundle_get_slave(nab, i);
- int ofputil_error = ofputil_check_output_port(ofp_port, max_ports);
+ enum ofperr ofputil_error;
+ ofputil_error = ofputil_check_output_port(ofp_port, max_ports);
if (ofputil_error) {
VLOG_WARN_RL(&rl, "invalid slave %"PRIu16, ofp_port);
error = ofputil_error;
* seem to be a real-world use-case for supporting it. */
if (ofp_port == OFPP_CONTROLLER) {
VLOG_WARN_RL(&rl, "unsupported controller slave");
- error = ofp_mkerr(OFPET_BAD_ACTION, OFPBAC_BAD_OUT_PORT);
+ error = OFPERR_OFPBAC_BAD_OUT_PORT;
}
}
const char *slave_type, const char *dst,
const char *slave_delim)
{
+ enum ofputil_action_code code;
struct nx_action_bundle *nab;
uint16_t n_slaves;
s, slave_delim);
}
- b->l2 = ofpbuf_put_zeros(b, sizeof *nab);
+ code = dst ? OFPUTIL_NXAST_BUNDLE_LOAD : OFPUTIL_NXAST_BUNDLE;
+ b->l2 = ofputil_put_action(code, b);
n_slaves = 0;
for (;;) {
ovs_be16 slave_be;
char *slave;
- slave = strtok_r(NULL, ", ", save_ptr);
+ slave = strtok_r(NULL, ", [", save_ptr);
if (!slave || n_slaves >= BUNDLE_MAX_SLAVES) {
break;
}
}
nab = b->l2;
- nab->type = htons(OFPAT_VENDOR);
nab->len = htons(b->size - ((char *) b->l2 - (char *) b->data));
- nab->vendor = htonl(NX_VENDOR_ID);
- nab->subtype = htons(dst ? NXAST_BUNDLE_LOAD: NXAST_BUNDLE);
nab->n_slaves = htons(n_slaves);
nab->basis = htons(atoi(basis));