BUILD_ASSERT_DECL(FLOW_WC_SEQ == 20);
/* Metadata. */
- if (match->wc.masks.in_port) {
- uint16_t in_port = flow->in_port;
+ if (match->wc.masks.in_port.ofp_port) {
+ ofp_port_t in_port = flow->in_port.ofp_port;
if (oxm) {
nxm_put_32(b, OXM_OF_IN_PORT, ofputil_port_to_ofp11(in_port));
} else {
- nxm_put_16(b, NXM_OF_IN_PORT, htons(in_port));
+ nxm_put_16(b, NXM_OF_IN_PORT, htons(ofp_to_u16(in_port)));
}
}
return match_len;
}
\f
-void
+/* Parses 's' as a "move" action, in the form described in ovs-ofctl(8), into
+ * '*move'.
+ *
+ * Returns NULL if successful, otherwise a malloc()'d string describing the
+ * error. The caller is responsible for freeing the returned string. */
+char * WARN_UNUSED_RESULT
nxm_parse_reg_move(struct ofpact_reg_move *move, const char *s)
{
const char *full_s = s;
+ char *error;
- s = mf_parse_subfield(&move->src, s);
+ error = mf_parse_subfield__(&move->src, &s);
+ if (error) {
+ return error;
+ }
if (strncmp(s, "->", 2)) {
- ovs_fatal(0, "%s: missing `->' following source", full_s);
+ return xasprintf("%s: missing `->' following source", full_s);
}
s += 2;
- s = mf_parse_subfield(&move->dst, s);
- if (*s != '\0') {
- ovs_fatal(0, "%s: trailing garbage following destination", full_s);
+ error = mf_parse_subfield(&move->dst, s);
+ if (error) {
+ return error;
}
if (move->src.n_bits != move->dst.n_bits) {
- ovs_fatal(0, "%s: source field is %d bits wide but destination is "
- "%d bits wide", full_s,
- move->src.n_bits, move->dst.n_bits);
+ return xasprintf("%s: source field is %d bits wide but destination is "
+ "%d bits wide", full_s,
+ move->src.n_bits, move->dst.n_bits);
}
+ return NULL;
}
-void
+/* Parses 's' as a "load" action, in the form described in ovs-ofctl(8), into
+ * '*load'.
+ *
+ * Returns NULL if successful, otherwise a malloc()'d string describing the
+ * error. The caller is responsible for freeing the returned string. */
+char * WARN_UNUSED_RESULT
nxm_parse_reg_load(struct ofpact_reg_load *load, const char *s)
{
const char *full_s = s;
uint64_t value = strtoull(s, (char **) &s, 0);
+ char *error;
if (strncmp(s, "->", 2)) {
- ovs_fatal(0, "%s: missing `->' following value", full_s);
+ return xasprintf("%s: missing `->' following value", full_s);
}
s += 2;
- s = mf_parse_subfield(&load->dst, s);
- if (*s != '\0') {
- ovs_fatal(0, "%s: trailing garbage following destination", full_s);
+ error = mf_parse_subfield(&load->dst, s);
+ if (error) {
+ return error;
}
if (load->dst.n_bits < 64 && (value >> load->dst.n_bits) != 0) {
- ovs_fatal(0, "%s: value %"PRIu64" does not fit into %d bits",
- full_s, value, load->dst.n_bits);
+ return xasprintf("%s: value %"PRIu64" does not fit into %d bits",
+ full_s, value, load->dst.n_bits);
}
load->subvalue.be64[0] = htonll(0);
load->subvalue.be64[1] = htonll(value);
+ return NULL;
}
\f
/* nxm_format_reg_move(), nxm_format_reg_load(). */
}
\f
/* nxm_parse_stack_action, works for both push() and pop(). */
-void
+
+/* Parses 's' as a "push" or "pop" action, in the form described in
+ * ovs-ofctl(8), into '*stack_action'.
+ *
+ * Returns NULL if successful, otherwise a malloc()'d string describing the
+ * error. The caller is responsible for freeing the returned string. */
+char * WARN_UNUSED_RESULT
nxm_parse_stack_action(struct ofpact_stack *stack_action, const char *s)
{
- s = mf_parse_subfield(&stack_action->subfield, s);
+ char *error;
+
+ error = mf_parse_subfield__(&stack_action->subfield, &s);
+ if (error) {
+ return error;
+ }
+
if (*s != '\0') {
- ovs_fatal(0, "%s: trailing garbage following push or pop", s);
+ return xasprintf("%s: trailing garbage following push or pop", s);
}
+
+ return NULL;
}
void