/*
- * Copyright (c) 2009, 2010, 2011 Nicira Networks.
+ * Copyright (c) 2009, 2010, 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.
* packet, otherwise a negative errno value. Returns -EAGAIN immediately
* if no packet is ready to be received.
*
+ * Returns -EMSGSIZE, and discards the packet, if the received packet is
+ * longer than 'size' bytes.
+ *
* This function can only be expected to return a packet if ->listen() has
* been called successfully.
*
/* Stores the features supported by 'netdev' into each of '*current',
* '*advertised', '*supported', and '*peer'. Each value is a bitmap of
- * "enum ofp_port_features" bits, in host byte order.
+ * NETDEV_F_* bits.
*
* This function may be set to null if it would always return EOPNOTSUPP.
*/
int (*get_features)(const struct netdev *netdev,
- uint32_t *current, uint32_t *advertised,
- uint32_t *supported, uint32_t *peer);
+ enum netdev_features *current,
+ enum netdev_features *advertised,
+ enum netdev_features *supported,
+ enum netdev_features *peer);
/* Set the features advertised by 'netdev' to 'advertise', which is a
- * bitmap of "enum ofp_port_features" bits, in host byte order.
+ * set of NETDEV_F_* bits.
*
* This function may be set to null for a network device that does not
* support configuring advertisements. */
- int (*set_advertisements)(struct netdev *netdev, uint32_t advertise);
-
- /* If 'netdev' is a VLAN network device (e.g. one created with vconfig(8)),
- * sets '*vlan_vid' to the VLAN VID associated with that device and returns
- * 0.
- *
- * Returns ENOENT if 'netdev' is a network device that is not a
- * VLAN device.
- *
- * This function should be set to null if it doesn't make any sense for
- * your network device (it probably doesn't). */
- int (*get_vlan_vid)(const struct netdev *netdev, int *vlan_vid);
+ int (*set_advertisements)(struct netdev *netdev,
+ enum netdev_features advertise);
/* Attempts to set input rate limiting (policing) policy, such that up to
* 'kbits_rate' kbps of traffic is accepted, with a maximum accumulative
* of iteration is unspecified, but (when successful) each queue is visited
* exactly once.
*
- * 'cb' will not modify or free the 'details' argument passed in. */
+ * 'cb' will not modify or free the 'details' argument passed in. It may
+ * delete or modify the queue passed in as its 'queue_id' argument. It may
+ * modify but will not delete any other queue within 'netdev'. If 'cb'
+ * adds new queues, then ->dump_queues is allowed to visit some queues
+ * twice or not at all.
+ */
int (*dump_queues)(const struct netdev *netdev,
void (*cb)(unsigned int queue_id,
const struct shash *details,