/* Queries 'dpif' for a flow entry matching 'flow->key'.
*
* If a flow matching 'flow->key' exists in 'dpif', stores statistics for the
- * flow into 'flow->stats'. If 'flow->n_actions' is zero, then 'flow->actions'
- * is ignored. If 'flow->n_actions' is nonzero, then 'flow->actions' should
- * point to an array of the specified number of actions. At most that many of
- * the flow's actions will be copied into that array. 'flow->n_actions' will
- * be updated to the number of actions actually present in the flow, which may
- * be greater than the number stored if the flow has more actions than space
- * available in the array.
+ * flow into 'flow->stats'. If 'flow->actions_len' is zero, then
+ * 'flow->actions' is ignored. If 'flow->actions_len' is nonzero, then
+ * 'flow->actions' should point to an array of the specified number of bytes.
+ * At most that many bytes of the flow's actions will be copied into that
+ * array. 'flow->actions_len' will be updated to the number of bytes of
+ * actions actually present in the flow, which may be greater than the amount
+ * stored if the flow has more actions than space available in the array.
*
* If no flow matching 'flow->key' exists in 'dpif', returns ENOENT. On other
* failure, returns a positive errno value. */
if (error) {
/* Make the results predictable on error. */
memset(&flow->stats, 0, sizeof flow->stats);
- flow->n_actions = 0;
+ flow->actions_len = 0;
}
if (should_log_flow_message(error)) {
log_flow_operation(dpif, "flow_get", error, flow);
* Stores 0 into 'flow->stats.error' and stores statistics for the flow
* into 'flow->stats'.
*
- * If 'flow->n_actions' is zero, then 'flow->actions' is ignored. If
- * 'flow->n_actions' is nonzero, then 'flow->actions' should point to an
- * array of the specified number of actions. At most that many of the
- * flow's actions will be copied into that array. 'flow->n_actions' will
- * be updated to the number of actions actually present in the flow, which
- * may be greater than the number stored if the flow has more actions than
- * space available in the array.
+ * If 'flow->actions_len' is zero, then 'flow->actions' is ignored. If
+ * 'flow->actions_len' is nonzero, then 'flow->actions' should point to an
+ * array of the specified number of bytes. At most that amount of flow's
+ * actions will be copied into that array. 'flow->actions_len' will be
+ * updated to the number of bytes of actions actually present in the flow,
+ * which may be greater than the amount stored if the flow's actions are
+ * longer than the available space.
*
* - Flow-specific errors are indicated by a positive errno value in
* 'flow->stats.error'. In particular, ENOENT indicates that no flow
/* Deletes a flow matching 'flow->key' from 'dpif' or returns ENOENT if 'dpif'
* does not contain such a flow.
*
- * If successful, updates 'flow->stats', 'flow->n_actions', and 'flow->actions'
- * as described for dpif_flow_get(). */
+ * If successful, updates 'flow->stats', 'flow->actions_len', and
+ * 'flow->actions' as described for dpif_flow_get(). */
int
dpif_flow_del(struct dpif *dpif, struct odp_flow *flow)
{
} else {
for (i = 0; i < n; i++) {
flows[i].actions = NULL;
- flows[i].n_actions = 0;
+ flows[i].actions_len = 0;
}
}
retval = dpif->dpif_class->flow_list(dpif, flows, n);
return 0;
}
-/* Causes 'dpif' to perform the 'n_actions' actions in 'actions' on the
- * Ethernet frame specified in 'packet'.
+/* Causes 'dpif' to perform the 'actions_len' bytes of actions in 'actions' on
+ * the Ethernet frame specified in 'packet'.
*
* Returns 0 if successful, otherwise a positive errno value. */
int
dpif_execute(struct dpif *dpif,
- const union odp_action actions[], size_t n_actions,
+ const struct nlattr *actions, size_t actions_len,
const struct ofpbuf *buf)
{
int error;
COVERAGE_INC(dpif_execute);
- if (n_actions > 0) {
- error = dpif->dpif_class->execute(dpif, actions, n_actions, buf);
+ if (actions_len > 0) {
+ error = dpif->dpif_class->execute(dpif, actions, actions_len, buf);
} else {
error = 0;
}
struct ds ds = DS_EMPTY_INITIALIZER;
char *packet = ofp_packet_to_string(buf->data, buf->size, buf->size);
ds_put_format(&ds, "%s: execute ", dpif_name(dpif));
- format_odp_actions(&ds, actions, n_actions);
+ format_odp_actions(&ds, actions, actions_len);
if (error) {
ds_put_format(&ds, " failed (%s)", strerror(error));
}
log_flow_message(const struct dpif *dpif, int error, const char *operation,
const struct odp_flow_key *flow,
const struct odp_flow_stats *stats,
- const union odp_action *actions, size_t n_actions)
+ const struct nlattr *actions, unsigned int actions_len)
{
struct ds ds = DS_EMPTY_INITIALIZER;
ds_put_format(&ds, "%s: ", dpif_name(dpif));
ds_put_cstr(&ds, ", ");
format_odp_flow_stats(&ds, stats);
}
- if (actions || n_actions) {
+ if (actions || actions_len) {
ds_put_cstr(&ds, ", actions:");
- format_odp_actions(&ds, actions, n_actions);
+ format_odp_actions(&ds, actions, actions_len);
}
vlog(THIS_MODULE, flow_message_log_level(error), "%s", ds_cstr(&ds));
ds_destroy(&ds);
struct odp_flow *flow)
{
if (error) {
- flow->n_actions = 0;
+ flow->actions_len = 0;
}
log_flow_message(dpif, error, operation, &flow->key,
!error ? &flow->stats : NULL,
- flow->actions, flow->n_actions);
+ flow->actions, flow->actions_len);
}
static void
}
log_flow_message(dpif, error, ds_cstr(&s), &put->flow.key,
!error ? &put->flow.stats : NULL,
- put->flow.actions, put->flow.n_actions);
+ put->flow.actions, put->flow.actions_len);
ds_destroy(&s);
}
/* There is a tendency to construct odp_flow objects on the stack and to
- * forget to properly initialize their "actions" and "n_actions" members.
+ * forget to properly initialize their "actions" and "actions_len" members.
* When this happens, we get memory corruption because the kernel
* writes through the random pointer that is in the "actions" member.
*
* easy-to-identify error later if it is dereferenced, etc.
*
* - Triggering a warning on uninitialized memory from Valgrind if
- * "actions" or "n_actions" was not initialized.
+ * "actions" or "actions_len" was not initialized.
*/
static void
check_rw_odp_flow(struct odp_flow *flow)
{
- if (flow->n_actions) {
+ if (flow->actions_len) {
memset(&flow->actions[0], 0xcc, sizeof flow->actions[0]);
}
}
git://git.onelab.eu / sliver-openvswitch.git / blobdiff