/*
- * Copyright (c) 2010, 2011, 2012, 2013, 2015 Nicira, Inc.
+ * Copyright (c) 2010, 2011, 2012, 2013, 2015, 2016 Nicira, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
/* Protects all members below. */
struct ovs_mutex mutex OVS_ACQ_AFTER(dummy_list_mutex);
- uint8_t hwaddr[ETH_ADDR_LEN] OVS_GUARDED;
+ struct eth_addr hwaddr OVS_GUARDED;
int mtu OVS_GUARDED;
struct netdev_stats stats OVS_GUARDED;
enum netdev_flags flags OVS_GUARDED;
FILE *tx_pcap, *rxq_pcap OVS_GUARDED;
struct in_addr address, netmask;
+ struct in6_addr ipv6;
struct ovs_list rxes OVS_GUARDED; /* List of child "netdev_rxq_dummy"s. */
};
if (stream) {
int error;
struct stream *active_stream;
- struct reconnect *reconnect;;
+ struct reconnect *reconnect;
reconnect = reconnect_create(time_msec());
reconnect_set_name(reconnect, stream);
ovs_mutex_init(&netdev->mutex);
ovs_mutex_lock(&netdev->mutex);
- netdev->hwaddr[0] = 0xaa;
- netdev->hwaddr[1] = 0x55;
- netdev->hwaddr[2] = n >> 24;
- netdev->hwaddr[3] = n >> 16;
- netdev->hwaddr[4] = n >> 8;
- netdev->hwaddr[5] = n;
+ netdev->hwaddr.ea[0] = 0xaa;
+ netdev->hwaddr.ea[1] = 0x55;
+ netdev->hwaddr.ea[2] = n >> 24;
+ netdev->hwaddr.ea[3] = n >> 16;
+ netdev->hwaddr.ea[4] = n >> 8;
+ netdev->hwaddr.ea[5] = n;
netdev->mtu = 1500;
netdev->flags = 0;
netdev->ifindex = -EOPNOTSUPP;
return address->s_addr ? 0 : EADDRNOTAVAIL;
}
+static int
+netdev_dummy_get_in6(const struct netdev *netdev_, struct in6_addr *in6)
+{
+ struct netdev_dummy *netdev = netdev_dummy_cast(netdev_);
+
+ ovs_mutex_lock(&netdev->mutex);
+ *in6 = netdev->ipv6;
+ ovs_mutex_unlock(&netdev->mutex);
+
+ return ipv6_addr_is_set(in6) ? 0 : EADDRNOTAVAIL;
+}
+
static int
netdev_dummy_set_in4(struct netdev *netdev_, struct in_addr address,
struct in_addr netmask)
return 0;
}
+static int
+netdev_dummy_set_in6(struct netdev *netdev_, struct in6_addr *in6)
+{
+ struct netdev_dummy *netdev = netdev_dummy_cast(netdev_);
+
+ ovs_mutex_lock(&netdev->mutex);
+ netdev->ipv6 = *in6;
+ ovs_mutex_unlock(&netdev->mutex);
+
+ return 0;
+}
+
static int
netdev_dummy_set_config(struct netdev *netdev_, const struct smap *args)
{
ovs_mutex_unlock(&netdev->mutex);
dp_packet_pad(packet);
- dp_packet_set_rss_hash(packet, 0);
+ dp_packet_rss_invalidate(packet);
arr[0] = packet;
*c = 1;
dummy_packet_conn_send(&dev->conn, buffer, size);
+ /* Reply to ARP requests for 'dev''s assigned IP address. */
+ if (dev->address.s_addr) {
+ struct dp_packet packet;
+ struct flow flow;
+
+ dp_packet_use_const(&packet, buffer, size);
+ flow_extract(&packet, &flow);
+ if (flow.dl_type == htons(ETH_TYPE_ARP)
+ && flow.nw_proto == ARP_OP_REQUEST
+ && flow.nw_dst == dev->address.s_addr) {
+ struct dp_packet *reply = dp_packet_new(0);
+ compose_arp(reply, ARP_OP_REPLY, dev->hwaddr, flow.dl_src,
+ false, flow.nw_dst, flow.nw_src);
+ netdev_dummy_queue_packet(dev, reply);
+ }
+ }
+
if (dev->tx_pcap) {
struct dp_packet packet;
}
static int
-netdev_dummy_set_etheraddr(struct netdev *netdev,
- const uint8_t mac[ETH_ADDR_LEN])
+netdev_dummy_set_etheraddr(struct netdev *netdev, const struct eth_addr mac)
{
struct netdev_dummy *dev = netdev_dummy_cast(netdev);
ovs_mutex_lock(&dev->mutex);
if (!eth_addr_equals(dev->hwaddr, mac)) {
- memcpy(dev->hwaddr, mac, ETH_ADDR_LEN);
+ dev->hwaddr = mac;
netdev_change_seq_changed(netdev);
}
ovs_mutex_unlock(&dev->mutex);
}
static int
-netdev_dummy_get_etheraddr(const struct netdev *netdev,
- uint8_t mac[ETH_ADDR_LEN])
+netdev_dummy_get_etheraddr(const struct netdev *netdev, struct eth_addr *mac)
{
struct netdev_dummy *dev = netdev_dummy_cast(netdev);
ovs_mutex_lock(&dev->mutex);
- memcpy(mac, dev->hwaddr, ETH_ADDR_LEN);
+ *mac = dev->hwaddr;
ovs_mutex_unlock(&dev->mutex);
return 0;
return 0;
}
+static int
+netdev_dummy_get_queue(const struct netdev *netdev OVS_UNUSED,
+ unsigned int queue_id, struct smap *details OVS_UNUSED)
+{
+ if (queue_id == 0) {
+ return 0;
+ } else {
+ return EINVAL;
+ }
+}
+
+static void
+netdev_dummy_init_queue_stats(struct netdev_queue_stats *stats)
+{
+ *stats = (struct netdev_queue_stats) {
+ .tx_bytes = UINT64_MAX,
+ .tx_packets = UINT64_MAX,
+ .tx_errors = UINT64_MAX,
+ .created = LLONG_MIN,
+ };
+}
+
+static int
+netdev_dummy_get_queue_stats(const struct netdev *netdev OVS_UNUSED,
+ unsigned int queue_id,
+ struct netdev_queue_stats *stats)
+{
+ if (queue_id == 0) {
+ netdev_dummy_init_queue_stats(stats);
+ return 0;
+ } else {
+ return EINVAL;
+ }
+}
+
+struct netdev_dummy_queue_state {
+ unsigned int next_queue;
+};
+
+static int
+netdev_dummy_queue_dump_start(const struct netdev *netdev OVS_UNUSED,
+ void **statep)
+{
+ struct netdev_dummy_queue_state *state = xmalloc(sizeof *state);
+ state->next_queue = 0;
+ *statep = state;
+ return 0;
+}
+
+static int
+netdev_dummy_queue_dump_next(const struct netdev *netdev OVS_UNUSED,
+ void *state_,
+ unsigned int *queue_id,
+ struct smap *details OVS_UNUSED)
+{
+ struct netdev_dummy_queue_state *state = state_;
+ if (state->next_queue == 0) {
+ *queue_id = 0;
+ state->next_queue++;
+ return 0;
+ } else {
+ return EOF;
+ }
+}
+
+static int
+netdev_dummy_queue_dump_done(const struct netdev *netdev OVS_UNUSED,
+ void *state)
+{
+ free(state);
+ return 0;
+}
+
+static int
+netdev_dummy_dump_queue_stats(const struct netdev *netdev OVS_UNUSED,
+ void (*cb)(unsigned int queue_id,
+ struct netdev_queue_stats *,
+ void *aux),
+ void *aux)
+{
+ struct netdev_queue_stats stats;
+ netdev_dummy_init_queue_stats(&stats);
+ cb(0, &stats, aux);
+ return 0;
+}
+
static int
netdev_dummy_get_ifindex(const struct netdev *netdev)
{
NULL, /* get_qos_capabilities */
NULL, /* get_qos */
NULL, /* set_qos */
- NULL, /* get_queue */
+ netdev_dummy_get_queue,
NULL, /* set_queue */
NULL, /* delete_queue */
- NULL, /* get_queue_stats */
- NULL, /* queue_dump_start */
- NULL, /* queue_dump_next */
- NULL, /* queue_dump_done */
- NULL, /* dump_queue_stats */
+ netdev_dummy_get_queue_stats,
+ netdev_dummy_queue_dump_start,
+ netdev_dummy_queue_dump_next,
+ netdev_dummy_queue_dump_done,
+ netdev_dummy_dump_queue_stats,
netdev_dummy_get_in4, /* get_in4 */
NULL, /* set_in4 */
- NULL, /* get_in6 */
+ netdev_dummy_get_in6, /* get_in6 */
NULL, /* add_router */
NULL, /* get_next_hop */
NULL, /* get_status */
struct netdev *netdev = netdev_from_name(argv[1]);
if (netdev && is_dummy_class(netdev->netdev_class)) {
- struct in_addr ip;
- uint16_t plen;
-
- if (ovs_scan(argv[2], IP_SCAN_FMT"/%"SCNi16,
- IP_SCAN_ARGS(&ip.s_addr), &plen)) {
- struct in_addr mask;
+ struct in_addr ip, mask;
+ char *error;
- mask.s_addr = be32_prefix_mask(plen);
+ error = ip_parse_masked(argv[2], &ip.s_addr, &mask.s_addr);
+ if (!error) {
netdev_dummy_set_in4(netdev, ip, mask);
unixctl_command_reply(conn, "OK");
} else {
- unixctl_command_reply(conn, "Invalid parameters");
+ unixctl_command_reply_error(conn, error);
+ free(error);
}
+ } else {
+ unixctl_command_reply_error(conn, "Unknown Dummy Interface");
+ }
+
+ netdev_close(netdev);
+}
+static void
+netdev_dummy_ip6addr(struct unixctl_conn *conn, int argc OVS_UNUSED,
+ const char *argv[], void *aux OVS_UNUSED)
+{
+ struct netdev *netdev = netdev_from_name(argv[1]);
+
+ if (netdev && is_dummy_class(netdev->netdev_class)) {
+ char ip6_s[IPV6_SCAN_LEN + 1];
+ struct in6_addr ip6;
+
+ if (ovs_scan(argv[2], IPV6_SCAN_FMT, ip6_s) &&
+ inet_pton(AF_INET6, ip6_s, &ip6) == 1) {
+ netdev_dummy_set_in6(netdev, &ip6);
+ unixctl_command_reply(conn, "OK");
+ } else {
+ unixctl_command_reply_error(conn, "Invalid parameters");
+ }
netdev_close(netdev);
} else {
unixctl_command_reply_error(conn, "Unknown Dummy Interface");
- netdev_close(netdev);
- return;
}
+ netdev_close(netdev);
+}
+
+
+static void
+netdev_dummy_override(const char *type)
+{
+ if (!netdev_unregister_provider(type)) {
+ struct netdev_class *class;
+ int error;
+
+ class = xmemdup(&dummy_class, sizeof dummy_class);
+ class->type = xstrdup(type);
+ error = netdev_register_provider(class);
+ if (error) {
+ VLOG_ERR("%s: failed to register netdev provider (%s)",
+ type, ovs_strerror(error));
+ free(CONST_CAST(char *, class->type));
+ free(class);
+ }
+ }
}
void
-netdev_dummy_register(bool override)
+netdev_dummy_register(enum dummy_level level)
{
unixctl_command_register("netdev-dummy/receive", "name packet|flow...",
2, INT_MAX, netdev_dummy_receive, NULL);
unixctl_command_register("netdev-dummy/ip4addr",
"[netdev] ipaddr/mask-prefix-len", 2, 2,
netdev_dummy_ip4addr, NULL);
+ unixctl_command_register("netdev-dummy/ip6addr",
+ "[netdev] ip6addr", 2, 2,
+ netdev_dummy_ip6addr, NULL);
-
- if (override) {
+ if (level == DUMMY_OVERRIDE_ALL) {
struct sset types;
const char *type;
sset_init(&types);
netdev_enumerate_types(&types);
SSET_FOR_EACH (type, &types) {
- if (!strcmp(type, "patch")) {
- continue;
- }
- if (!netdev_unregister_provider(type)) {
- struct netdev_class *class;
- int error;
-
- class = xmemdup(&dummy_class, sizeof dummy_class);
- class->type = xstrdup(type);
- error = netdev_register_provider(class);
- if (error) {
- VLOG_ERR("%s: failed to register netdev provider (%s)",
- type, ovs_strerror(error));
- free(CONST_CAST(char *, class->type));
- free(class);
- }
+ if (strcmp(type, "patch")) {
+ netdev_dummy_override(type);
}
}
sset_destroy(&types);
+ } else if (level == DUMMY_OVERRIDE_SYSTEM) {
+ netdev_dummy_override("system");
}
netdev_register_provider(&dummy_class);