#include "svec.h"
#include "util.h"
#include "valgrind.h"
-
#include "vlog.h"
-#define THIS_MODULE VLM_dpif
+
+VLOG_DEFINE_THIS_MODULE(dpif)
static const struct dpif_class *base_dpif_classes[] = {
+#ifdef HAVE_NETLINK
&dpif_linux_class,
+#endif
&dpif_netdev_class,
};
if (dpif) {
struct registered_dpif_class *registered_class;
- registered_class = shash_find_data(&dpif_classes,
+ registered_class = shash_find_data(&dpif_classes,
dpif->dpif_class->type);
assert(registered_class);
assert(registered_class->refcount);
dpif->dpif_class->port_poll_wait(dpif);
}
-/* Retrieves a list of the port numbers in port group 'group' in 'dpif'.
- *
- * On success, returns 0 and points '*ports' to a newly allocated array of
- * integers, each of which is a 'dpif' port number for a port in
- * 'group'. Stores the number of elements in the array in '*n_ports'. The
- * caller is responsible for freeing '*ports' by calling free().
- *
- * On failure, returns a positive errno value and sets '*ports' to NULL and
- * '*n_ports' to 0. */
-int
-dpif_port_group_get(const struct dpif *dpif, uint16_t group,
- uint16_t **ports, size_t *n_ports)
-{
- int error;
-
- *ports = NULL;
- *n_ports = 0;
- for (;;) {
- int retval = dpif->dpif_class->port_group_get(dpif, group,
- *ports, *n_ports);
- if (retval < 0) {
- /* Hard error. */
- error = -retval;
- free(*ports);
- *ports = NULL;
- *n_ports = 0;
- break;
- } else if (retval <= *n_ports) {
- /* Success. */
- error = 0;
- *n_ports = retval;
- break;
- } else {
- /* Soft error: there were more ports than we expected in the
- * group. Try again. */
- free(*ports);
- *ports = xcalloc(retval, sizeof **ports);
- *n_ports = retval;
- }
- }
- log_operation(dpif, "port_group_get", error);
- return error;
-}
-
-/* Updates port group 'group' in 'dpif', making it contain the 'n_ports' ports
- * whose 'dpif' port numbers are given in 'n_ports'. Returns 0 if
- * successful, otherwise a positive errno value.
- *
- * Behavior is undefined if the values in ports[] are not unique. */
-int
-dpif_port_group_set(struct dpif *dpif, uint16_t group,
- const uint16_t ports[], size_t n_ports)
-{
- int error;
-
- COVERAGE_INC(dpif_port_group_set);
-
- error = dpif->dpif_class->port_group_set(dpif, group, ports, n_ports);
- log_operation(dpif, "port_group_set", error);
- return error;
-}
-
/* Deletes all flows from 'dpif'. Returns 0 if successful, otherwise a
* positive errno value. */
int
/* Causes 'dpif' to perform the 'n_actions' actions in 'actions' on the
* Ethernet frame specified in 'packet'.
*
- * Pretends that the frame was originally received on the port numbered
- * 'in_port'. This affects only ODPAT_OUTPUT_GROUP actions, which will not
- * send a packet out their input port. Specify the number of an unused port
- * (e.g. UINT16_MAX is currently always unused) to avoid this behavior.
- *
* Returns 0 if successful, otherwise a positive errno value. */
int
-dpif_execute(struct dpif *dpif, uint16_t in_port,
+dpif_execute(struct dpif *dpif,
const union odp_action actions[], size_t n_actions,
const struct ofpbuf *buf)
{
COVERAGE_INC(dpif_execute);
if (n_actions > 0) {
- error = dpif->dpif_class->execute(dpif, in_port, actions,
- n_actions, buf);
+ error = dpif->dpif_class->execute(dpif, actions, n_actions, buf);
} else {
error = 0;
}
/* Attempts to receive a message from 'dpif'. If successful, stores the
* message into '*packetp'. The message, if one is received, will begin with
- * 'struct odp_msg' as a header. Only messages of the types selected with
+ * 'struct odp_msg' as a header, and will have at least DPIF_RECV_MSG_PADDING
+ * bytes of headroom. Only messages of the types selected with
* dpif_set_listen_mask() will ordinarily be received (but if a message type is
* enabled and then later disabled, some stragglers might pop up).
*
{
int error = dpif->dpif_class->recv(dpif, packetp);
if (!error) {
+ struct ofpbuf *buf = *packetp;
+
+ assert(ofpbuf_headroom(buf) >= DPIF_RECV_MSG_PADDING);
if (VLOG_IS_DBG_ENABLED()) {
- struct ofpbuf *buf = *packetp;
struct odp_msg *msg = buf->data;
void *payload = msg + 1;
size_t payload_len = buf->size - sizeof *msg;
*engine_type = dpif->netflow_engine_type;
*engine_id = dpif->netflow_engine_id;
}
+
+/* Translates OpenFlow queue ID 'queue_id' (in host byte order) into a priority
+ * value for use in the ODPAT_SET_PRIORITY action. On success, returns 0 and
+ * stores the priority into '*priority'. On failure, returns a positive errno
+ * value and stores 0 into '*priority'. */
+int
+dpif_queue_to_priority(const struct dpif *dpif, uint32_t queue_id,
+ uint32_t *priority)
+{
+ int error = (dpif->dpif_class->queue_to_priority
+ ? dpif->dpif_class->queue_to_priority(dpif, queue_id,
+ priority)
+ : EOPNOTSUPP);
+ if (error) {
+ *priority = 0;
+ }
+ log_operation(dpif, "queue_to_priority", error);
+ return error;
+}
\f
void
dpif_init(struct dpif *dpif, const struct dpif_class *dpif_class,
git://git.onelab.eu / sliver-openvswitch.git / blobdiff