/*
- * Copyright (c) 2008, 2009, 2010, 2011 Nicira Networks.
+ * Copyright (c) 2008, 2009, 2010, 2011, 2012 Nicira, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
#include "packets.h"
#include "poll-loop.h"
#include "shash.h"
+#include "smap.h"
#include "sset.h"
#include "svec.h"
#include "vlog.h"
netdev_register_provider(&netdev_tap_class);
netdev_vport_register();
#endif
+#ifdef __FreeBSD__
+ netdev_register_provider(&netdev_tap_class);
+ netdev_register_provider(&netdev_bsd_class);
+#endif
+ netdev_register_provider(&netdev_tunnel_class);
+ netdev_register_provider(&netdev_pltap_class);
}
}
/* Reconfigures the device 'netdev' with 'args'. 'args' may be empty
* or NULL if none are needed. */
int
-netdev_set_config(struct netdev *netdev, const struct shash *args)
+netdev_set_config(struct netdev *netdev, const struct smap *args)
{
struct netdev_dev *netdev_dev = netdev_get_dev(netdev);
if (netdev_dev->netdev_class->set_config) {
- struct shash no_args = SHASH_INITIALIZER(&no_args);
+ struct smap no_args = SMAP_INITIALIZER(&no_args);
return netdev_dev->netdev_class->set_config(netdev_dev,
args ? args : &no_args);
- } else if (args && !shash_is_empty(args)) {
+ } else if (args && !smap_is_empty(args)) {
VLOG_WARN("%s: arguments provided to device that is not configurable",
netdev_get_name(netdev));
}
}
/* Returns the current configuration for 'netdev' in 'args'. The caller must
- * have already initialized 'args' with shash_init(). Returns 0 on success, in
+ * have already initialized 'args' with smap_init(). Returns 0 on success, in
* which case 'args' will be filled with 'netdev''s configuration. On failure
* returns a positive errno value, in which case 'args' will be empty.
*
* The caller owns 'args' and its contents and must eventually free them with
- * shash_destroy_free_data(). */
+ * smap_destroy(). */
int
-netdev_get_config(const struct netdev *netdev, struct shash *args)
+netdev_get_config(const struct netdev *netdev, struct smap *args)
{
struct netdev_dev *netdev_dev = netdev_get_dev(netdev);
int error;
- shash_clear_free_data(args);
+ smap_clear(args);
if (netdev_dev->netdev_class->get_config) {
error = netdev_dev->netdev_class->get_config(netdev_dev, args);
if (error) {
- shash_clear_free_data(args);
+ smap_clear(args);
}
} else {
error = 0;
return !!shash_find_data(&netdev_dev_shash, name);
}
-/* Clears 'sset' and enumerates the names of all known network devices. */
-int
-netdev_enumerate(struct sset *sset)
-{
- struct shash_node *node;
- int error = 0;
-
- netdev_initialize();
- sset_clear(sset);
-
- SHASH_FOR_EACH(node, &netdev_classes) {
- const struct netdev_class *netdev_class = node->data;
- if (netdev_class->enumerate) {
- int retval = netdev_class->enumerate(sset);
- if (retval) {
- VLOG_WARN("failed to enumerate %s network devices: %s",
- netdev_class->type, strerror(retval));
- if (!error) {
- error = retval;
- }
- }
- }
- }
-
- return error;
-}
-
/* Parses 'netdev_name_', which is of the form [type@]name into its component
* pieces. 'name' and 'type' must be freed by the caller. */
void
if (error) {
*mtup = 0;
if (error != EOPNOTSUPP) {
- VLOG_WARN_RL(&rl, "failed to retrieve MTU for network device %s: "
+ VLOG_DBG_RL(&rl, "failed to retrieve MTU for network device %s: "
"%s", netdev_get_name(netdev), strerror(error));
}
}
error = class->set_mtu ? class->set_mtu(netdev, mtu) : EOPNOTSUPP;
if (error && error != EOPNOTSUPP) {
- VLOG_WARN_RL(&rl, "failed to retrieve MTU for network device %s: %s",
+ VLOG_DBG_RL(&rl, "failed to set MTU for network device %s: %s",
netdev_get_name(netdev), strerror(error));
}
* cases this function will always return EOPNOTSUPP. */
int
netdev_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)
{
int (*get_features)(const struct netdev *netdev,
- uint32_t *current, uint32_t *advertised,
- uint32_t *supported, uint32_t *peer);
- uint32_t dummy[4];
+ enum netdev_features *current,
+ enum netdev_features *advertised,
+ enum netdev_features *supported,
+ enum netdev_features *peer);
+ enum netdev_features dummy[4];
int error;
if (!current) {
get_features = netdev_get_dev(netdev)->netdev_class->get_features;
error = get_features
- ? get_features(netdev, current, advertised, supported, peer)
+ ? get_features(netdev, current, advertised, supported,
+ peer)
: EOPNOTSUPP;
if (error) {
*current = *advertised = *supported = *peer = 0;
return error;
}
-/* Returns the maximum speed of a network connection that has the "enum
- * ofp_port_features" bits in 'features', in bits per second. If no bits that
- * indicate a speed are set in 'features', assumes 100Mbps. */
+/* Returns the maximum speed of a network connection that has the NETDEV_F_*
+ * bits in 'features', in bits per second. If no bits that indicate a speed
+ * are set in 'features', assumes 100Mbps. */
uint64_t
-netdev_features_to_bps(uint32_t features)
+netdev_features_to_bps(enum netdev_features features)
{
enum {
- F_10000MB = OFPPF_10GB_FD,
- F_1000MB = OFPPF_1GB_HD | OFPPF_1GB_FD,
- F_100MB = OFPPF_100MB_HD | OFPPF_100MB_FD,
- F_10MB = OFPPF_10MB_HD | OFPPF_10MB_FD
+ F_1000000MB = NETDEV_F_1TB_FD,
+ F_100000MB = NETDEV_F_100GB_FD,
+ F_40000MB = NETDEV_F_40GB_FD,
+ F_10000MB = NETDEV_F_10GB_FD,
+ F_1000MB = NETDEV_F_1GB_HD | NETDEV_F_1GB_FD,
+ F_100MB = NETDEV_F_100MB_HD | NETDEV_F_100MB_FD,
+ F_10MB = NETDEV_F_10MB_HD | NETDEV_F_10MB_FD
};
- return ( features & F_10000MB ? UINT64_C(10000000000)
- : features & F_1000MB ? UINT64_C(1000000000)
- : features & F_100MB ? UINT64_C(100000000)
- : features & F_10MB ? UINT64_C(10000000)
- : UINT64_C(100000000));
+ return ( features & F_1000000MB ? UINT64_C(1000000000000)
+ : features & F_100000MB ? UINT64_C(100000000000)
+ : features & F_40000MB ? UINT64_C(40000000000)
+ : features & F_10000MB ? UINT64_C(10000000000)
+ : features & F_1000MB ? UINT64_C(1000000000)
+ : features & F_100MB ? UINT64_C(100000000)
+ : features & F_10MB ? UINT64_C(10000000)
+ : UINT64_C(100000000));
}
-/* Returns true if any of the "enum ofp_port_features" bits that indicate a
- * full-duplex link are set in 'features', otherwise false. */
+/* Returns true if any of the NETDEV_F_* bits that indicate a full-duplex link
+ * are set in 'features', otherwise false. */
bool
-netdev_features_is_full_duplex(uint32_t features)
+netdev_features_is_full_duplex(enum netdev_features features)
{
- return (features & (OFPPF_10MB_FD | OFPPF_100MB_FD | OFPPF_1GB_FD
- | OFPPF_10GB_FD)) != 0;
+ return (features & (NETDEV_F_10MB_FD | NETDEV_F_100MB_FD | NETDEV_F_1GB_FD
+ | NETDEV_F_10GB_FD | NETDEV_F_40GB_FD
+ | NETDEV_F_100GB_FD | NETDEV_F_1TB_FD)) != 0;
}
/* Set the features advertised by 'netdev' to 'advertise'. Returns 0 if
* successful, otherwise a positive errno value. */
int
-netdev_set_advertisements(struct netdev *netdev, uint32_t advertise)
+netdev_set_advertisements(struct netdev *netdev,
+ enum netdev_features advertise)
{
return (netdev_get_dev(netdev)->netdev_class->set_advertisements
? netdev_get_dev(netdev)->netdev_class->set_advertisements(
: EOPNOTSUPP);
}
+/* Obtains ad IPv4 address from device name and save the address in
+ * in4. Returns 0 if successful, otherwise a positive errno value.
+ */
+int
+netdev_get_in4_by_name(const char *device_name, struct in_addr *in4)
+{
+ struct netdev *netdev;
+ int error;
+
+ error = netdev_open(device_name, "system", &netdev);
+ if (error) {
+ in4->s_addr = htonl(0);
+ return error;
+ }
+
+ error = netdev_get_in4(netdev, in4, NULL);
+ netdev_close(netdev);
+ return error;
+}
+
/* Adds 'router' as a default IP gateway for the TCP/IP stack that corresponds
* to 'netdev'. */
int
return error;
}
-/* Populates 'sh' with status information.
+/* Populates 'smap' with status information.
*
- * Populates 'sh' with 'netdev' specific status information. This information
- * may be used to populate the status column of the Interface table as defined
- * in ovs-vswitchd.conf.db(5). */
+ * Populates 'smap' with 'netdev' specific status information. This
+ * information may be used to populate the status column of the Interface table
+ * as defined in ovs-vswitchd.conf.db(5). */
int
-netdev_get_status(const struct netdev *netdev, struct shash *sh)
+netdev_get_drv_info(const struct netdev *netdev, struct smap *smap)
{
struct netdev_dev *dev = netdev_get_dev(netdev);
- return (dev->netdev_class->get_status
- ? dev->netdev_class->get_status(netdev, sh)
+ return (dev->netdev_class->get_drv_info
+ ? dev->netdev_class->get_drv_info(netdev, smap)
: EOPNOTSUPP);
}
int
netdev_get_flags(const struct netdev *netdev_, enum netdev_flags *flagsp)
{
- struct netdev *netdev = (struct netdev *) netdev_;
+ struct netdev *netdev = CONST_CAST(struct netdev *, netdev_);
return do_update_flags(netdev, 0, 0, flagsp, false);
}
return carrier;
}
+/* Returns the number of times 'netdev''s carrier has changed. */
+long long int
+netdev_get_carrier_resets(const struct netdev *netdev)
+{
+ return (netdev_get_dev(netdev)->netdev_class->get_carrier_resets
+ ? netdev_get_dev(netdev)->netdev_class->get_carrier_resets(netdev)
+ : 0);
+}
+
/* Attempts to force netdev_get_carrier() to poll 'netdev''s MII registers for
* link status instead of checking 'netdev''s carrier. 'netdev''s MII
* registers will be polled once ever 'interval' milliseconds. If 'netdev'
*
* A '*typep' of "" indicates that QoS is currently disabled on 'netdev'.
*
- * The caller must initialize 'details' as an empty shash (e.g. with
- * shash_init()) before calling this function. The caller must free 'details',
- * including 'data' members, when it is no longer needed (e.g. with
- * shash_destroy_free_data()).
+ * The caller must initialize 'details' as an empty smap (e.g. with
+ * smap_init()) before calling this function. The caller must free 'details'
+ * when it is no longer needed (e.g. with smap_destroy()).
*
* The caller must not modify or free '*typep'.
*
* vswitchd/vswitch.xml (which is built as ovs-vswitchd.conf.db(8)). */
int
netdev_get_qos(const struct netdev *netdev,
- const char **typep, struct shash *details)
+ const char **typep, struct smap *details)
{
const struct netdev_class *class = netdev_get_dev(netdev)->netdev_class;
int retval;
retval = class->get_qos(netdev, typep, details);
if (retval) {
*typep = NULL;
- shash_clear_free_data(details);
+ smap_clear(details);
}
return retval;
} else {
* details. */
int
netdev_set_qos(struct netdev *netdev,
- const char *type, const struct shash *details)
+ const char *type, const struct smap *details)
{
const struct netdev_class *class = netdev_get_dev(netdev)->netdev_class;
if (class->set_qos) {
if (!details) {
- static struct shash empty = SHASH_INITIALIZER(&empty);
+ static struct smap empty = SMAP_INITIALIZER(&empty);
details = ∅
}
return class->set_qos(netdev, type, details);
* given 'type' in the "other_config" column in the "Queue" table in
* vswitchd/vswitch.xml (which is built as ovs-vswitchd.conf.db(8)).
*
- * The caller must initialize 'details' (e.g. with shash_init()) before calling
- * this function. The caller must free 'details', including 'data' members,
- * when it is no longer needed (e.g. with shash_destroy_free_data()). */
+ * The caller must initialize 'details' (e.g. with smap_init()) before calling
+ * this function. The caller must free 'details' when it is no longer needed
+ * (e.g. with smap_destroy()). */
int
netdev_get_queue(const struct netdev *netdev,
- unsigned int queue_id, struct shash *details)
+ unsigned int queue_id, struct smap *details)
{
const struct netdev_class *class = netdev_get_dev(netdev)->netdev_class;
int retval;
? class->get_queue(netdev, queue_id, details)
: EOPNOTSUPP);
if (retval) {
- shash_clear_free_data(details);
+ smap_clear(details);
}
return retval;
}
* it. */
int
netdev_set_queue(struct netdev *netdev,
- unsigned int queue_id, const struct shash *details)
+ unsigned int queue_id, const struct smap *details)
{
const struct netdev_class *class = netdev_get_dev(netdev)->netdev_class;
return (class->set_queue
* Calling this function may be more efficient than calling netdev_get_queue()
* for every queue.
*
- * 'cb' must not modify or free the 'details' argument passed in.
+ * 'cb' must 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 must not delete any other queue within 'netdev'. 'cb' should not
+ * add new queues because this may cause some queues to be visited twice or not
+ * at all.
*
* Returns 0 if successful, otherwise a positive errno value. On error, some
* configured queues may not have been included in the iteration. */
{
return netdev_get_dev(netdev)->netdev_class->change_seq(netdev);
}
-
-/* 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.
- * Otherwise returns a errno value (specifically ENOENT if 'netdev_name' is the
- * name of a network device that is not a VLAN device) and sets '*vlan_vid' to
- * -1. */
-int
-netdev_get_vlan_vid(const struct netdev *netdev, int *vlan_vid)
-{
- int error = (netdev_get_dev(netdev)->netdev_class->get_vlan_vid
- ? netdev_get_dev(netdev)->netdev_class->get_vlan_vid(netdev,
- vlan_vid)
- : ENOENT);
- if (error) {
- *vlan_vid = 0;
- }
- return error;
-}
-
-/* Returns a network device that has 'in4' as its IP address, if one exists,
- * otherwise a null pointer. */
-struct netdev *
-netdev_find_dev_by_in4(const struct in_addr *in4)
-{
- struct netdev *netdev;
- struct sset dev_list = SSET_INITIALIZER(&dev_list);
- const char *name;
-
- netdev_enumerate(&dev_list);
- SSET_FOR_EACH (name, &dev_list) {
- struct in_addr dev_in4;
-
- if (!netdev_open(name, "system", &netdev)
- && !netdev_get_in4(netdev, &dev_in4, NULL)
- && dev_in4.s_addr == in4->s_addr) {
- goto exit;
- }
- netdev_close(netdev);
- }
- netdev = NULL;
-
-exit:
- sset_destroy(&dev_list);
- return netdev;
-}
\f
/* Initializes 'netdev_dev' as a netdev device named 'name' of the specified
* 'netdev_class'. This function is ordinarily called from a netdev provider's