#include "byte-order.h"
#include "daemon.h"
#include "dirs.h"
+#include "dpif.h"
#include "dpif-linux.h"
#include "hash.h"
#include "hmap.h"
struct netdev_dev_vport {
struct netdev_dev netdev_dev;
- struct ofpbuf *options;
unsigned int change_seq;
uint8_t etheraddr[ETH_ADDR_LEN];
+
+ /* Tunnels. */
+ struct ofpbuf *options;
struct netdev_tunnel_config tnl_cfg;
+
+ /* Patch Ports. */
+ struct netdev_stats stats;
+ char *peer;
};
struct vport_class {
enum ovs_vport_type type;
struct netdev_class netdev_class;
- int (*parse_config)(const char *name, const char *type,
- const struct smap *args, struct ofpbuf *options,
- struct netdev_tunnel_config *tnl_cfg);
- int (*unparse_config)(const char *name, const char *type,
- const struct nlattr *options, size_t options_len,
- struct smap *args);
};
static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(5, 20);
: OVS_VPORT_TYPE_UNSPEC);
}
+bool
+netdev_vport_is_patch(const struct netdev *netdev)
+{
+ return netdev_vport_get_vport_type(netdev) == OVS_VPORT_TYPE_PATCH;
+}
+
static uint32_t
get_u32_or_zero(const struct nlattr *a)
{
ofpbuf_delete(netdev_dev->options);
route_table_unregister();
+ free(netdev_dev->peer);
free(netdev_dev);
}
free(netdev);
}
-static int
-netdev_vport_get_config(struct netdev_dev *dev_, struct smap *args)
-{
- const struct netdev_class *netdev_class = netdev_dev_get_class(dev_);
- const struct vport_class *vport_class = vport_class_cast(netdev_class);
- struct netdev_dev_vport *dev = netdev_dev_vport_cast(dev_);
- const char *name = netdev_dev_get_name(dev_);
- int error;
-
- if (!dev->options) {
- struct dpif_linux_vport reply;
- struct ofpbuf *buf;
-
- error = dpif_linux_vport_get(name, &reply, &buf);
- if (error) {
- VLOG_ERR_RL(&rl, "%s: vport query failed (%s)",
- name, strerror(error));
- return error;
- }
-
- dev->options = ofpbuf_clone_data(reply.options, reply.options_len);
- ofpbuf_delete(buf);
- }
-
- error = vport_class->unparse_config(name, netdev_class->type,
- dev->options->data,
- dev->options->size,
- args);
- if (error) {
- VLOG_ERR_RL(&rl, "%s: failed to parse kernel config (%s)",
- name, strerror(error));
- }
- return error;
-}
-
-static int
-netdev_vport_set_config(struct netdev_dev *dev_, const struct smap *args)
-{
- const struct netdev_class *netdev_class = netdev_dev_get_class(dev_);
- const struct vport_class *vport_class = vport_class_cast(netdev_class);
- struct netdev_dev_vport *dev = netdev_dev_vport_cast(dev_);
- const char *name = netdev_dev_get_name(dev_);
- struct netdev_tunnel_config tnl_cfg;
- struct ofpbuf *options;
- int error;
-
- options = ofpbuf_new(64);
- error = vport_class->parse_config(name, netdev_dev_get_type(dev_),
- args, options, &tnl_cfg);
- if (!error
- && (!dev->options
- || options->size != dev->options->size
- || memcmp(options->data, dev->options->data, options->size))) {
- struct dpif_linux_vport vport;
-
- dpif_linux_vport_init(&vport);
- vport.cmd = OVS_VPORT_CMD_SET;
- vport.name = name;
- vport.options = options->data;
- vport.options_len = options->size;
- error = dpif_linux_vport_transact(&vport, NULL, NULL);
- if (!error || error == ENODEV) {
- /* Either reconfiguration succeeded or this vport is not installed
- * in the kernel (e.g. it hasn't been added to a dpif yet with
- * dpif_port_add()). */
- ofpbuf_delete(dev->options);
- dev->options = options;
- dev->tnl_cfg = tnl_cfg;
- options = NULL;
- error = 0;
- }
- }
- ofpbuf_delete(options);
-
- return error;
-}
-
static int
netdev_vport_set_etheraddr(struct netdev *netdev,
const uint8_t mac[ETH_ADDR_LEN])
}
}
\f
-/* Code specific to individual vport types. */
+/* Code specific to tunnel types. */
static ovs_be64
parse_key(const struct smap *args, const char *name,
}
static int
-parse_tunnel_config(const char *name, const char *type,
- const struct smap *args, struct ofpbuf *options,
- struct netdev_tunnel_config *tnl_cfg_)
+set_tunnel_config(struct netdev_dev *dev_, const struct smap *args)
{
+ struct netdev_dev_vport *dev = netdev_dev_vport_cast(dev_);
+ const char *name = netdev_dev_get_name(dev_);
+ const char *type = netdev_dev_get_type(dev_);
bool ipsec_mech_set, needs_dst_port, has_csum;
struct netdev_tunnel_config tnl_cfg;
struct smap_node *node;
+ struct ofpbuf *options;
+ int error = EINVAL;
uint8_t flags;
flags = TNL_F_DF_DEFAULT;
ipsec_mech_set = false;
memset(&tnl_cfg, 0, sizeof tnl_cfg);
+ options = ofpbuf_new(64);
+
if (!strcmp(type, "capwap")) {
VLOG_WARN_ONCE("CAPWAP tunnel support is deprecated.");
}
if (!use_ssl_cert || strcmp(use_ssl_cert, "true")) {
VLOG_ERR("%s: 'peer_cert' requires 'certificate' argument",
name);
- return EINVAL;
+ goto exit;
}
ipsec_mech_set = true;
}
if (pid < 0) {
VLOG_ERR("%s: IPsec requires the ovs-monitor-ipsec daemon",
name);
- return EINVAL;
+ goto exit;
}
if (smap_get(args, "peer_cert") && smap_get(args, "psk")) {
VLOG_ERR("%s: cannot define both 'peer_cert' and 'psk'", name);
- return EINVAL;
+ goto exit;
}
if (!ipsec_mech_set) {
VLOG_ERR("%s: IPsec requires an 'peer_cert' or psk' argument",
name);
- return EINVAL;
+ goto exit;
}
}
if (!tnl_cfg.ip_dst) {
VLOG_ERR("%s: %s type requires valid 'remote_ip' argument",
name, type);
- return EINVAL;
+ goto exit;
}
nl_msg_put_be32(options, OVS_TUNNEL_ATTR_DST_IPV4, tnl_cfg.ip_dst);
}
nl_msg_put_u32(options, OVS_TUNNEL_ATTR_FLAGS, flags);
- *tnl_cfg_ = tnl_cfg;
+ dev->tnl_cfg = tnl_cfg;
- return 0;
+ error = 0;
+ if (!dev->options
+ || options->size != dev->options->size
+ || memcmp(options->data, dev->options->data, options->size)) {
+ struct dpif_linux_vport vport;
+
+ dpif_linux_vport_init(&vport);
+ vport.cmd = OVS_VPORT_CMD_SET;
+ vport.name = name;
+ vport.options = options->data;
+ vport.options_len = options->size;
+ error = dpif_linux_vport_transact(&vport, NULL, NULL);
+ if (!error || error == ENODEV) {
+ /* Either reconfiguration succeeded or this vport is not installed
+ * in the kernel (e.g. it hasn't been added to a dpif yet with
+ * dpif_port_add()). */
+ ofpbuf_delete(dev->options);
+ dev->options = options;
+ options = NULL;
+ error = 0;
+ }
+ }
+
+exit:
+ ofpbuf_delete(options);
+ return error;
}
static int
}
static int
-unparse_tunnel_config(const char *name OVS_UNUSED, const char *type OVS_UNUSED,
- const struct nlattr *options, size_t options_len,
- struct smap *args)
+get_tunnel_config(struct netdev_dev *dev_, struct smap *args)
{
+ struct netdev_dev_vport *dev = netdev_dev_vport_cast(dev_);
+ const char *name = netdev_dev_get_name(dev_);
struct nlattr *a[OVS_TUNNEL_ATTR_MAX + 1];
uint32_t flags;
int error;
- error = tnl_port_config_from_nlattr(options, options_len, a);
+ if (!dev->options) {
+ struct dpif_linux_vport reply;
+ struct ofpbuf *buf;
+
+ error = dpif_linux_vport_get(name, &reply, &buf);
+ if (error) {
+ VLOG_ERR_RL(&rl, "%s: vport query failed (%s)", name,
+ strerror(error));
+ return error;
+ }
+
+ dev->options = ofpbuf_clone_data(reply.options, reply.options_len);
+ ofpbuf_delete(buf);
+ }
+
+ error = tnl_port_config_from_nlattr(dev->options->data, dev->options->size,
+ a);
if (error) {
+ VLOG_ERR_RL(&rl, "%s: failed to parse kernel config (%s)",
+ name, strerror(error));
return error;
}
return 0;
}
+\f
+/* Code specific to patch ports. */
+
+const char *
+netdev_vport_patch_peer(const struct netdev *netdev)
+{
+ return netdev_vport_is_patch(netdev)
+ ? netdev_vport_get_dev(netdev)->peer
+ : NULL;
+}
+
+void
+netdev_vport_patch_inc_rx(const struct netdev *netdev,
+ const struct dpif_flow_stats *stats)
+{
+ if (netdev_vport_is_patch(netdev)) {
+ struct netdev_dev_vport *dev = netdev_vport_get_dev(netdev);
+ dev->stats.rx_packets += stats->n_packets;
+ dev->stats.rx_bytes += stats->n_bytes;
+ }
+}
+
+void
+netdev_vport_patch_inc_tx(const struct netdev *netdev,
+ const struct dpif_flow_stats *stats)
+{
+ if (netdev_vport_is_patch(netdev)) {
+ struct netdev_dev_vport *dev = netdev_vport_get_dev(netdev);
+ dev->stats.tx_packets += stats->n_packets;
+ dev->stats.tx_bytes += stats->n_bytes;
+ }
+}
+
+static int
+get_patch_config(struct netdev_dev *dev_, struct smap *args)
+{
+ struct netdev_dev_vport *dev = netdev_dev_vport_cast(dev_);
+
+ if (dev->peer) {
+ smap_add(args, "peer", dev->peer);
+ }
+ return 0;
+}
static int
-parse_patch_config(const char *name, const char *type OVS_UNUSED,
- const struct smap *args, struct ofpbuf *options,
- struct netdev_tunnel_config *tnl_cfg)
+set_patch_config(struct netdev_dev *dev_, const struct smap *args)
{
+ struct netdev_dev_vport *dev = netdev_dev_vport_cast(dev_);
+ const char *name = netdev_dev_get_name(dev_);
const char *peer;
- memset(tnl_cfg, 0, sizeof *tnl_cfg);
-
peer = smap_get(args, "peer");
if (!peer) {
VLOG_ERR("%s: patch type requires valid 'peer' argument", name);
return EINVAL;
}
- if (strlen(peer) >= IFNAMSIZ) {
- VLOG_ERR("%s: patch 'peer' arg too long", name);
- return EINVAL;
- }
-
if (!strcmp(name, peer)) {
VLOG_ERR("%s: patch peer must not be self", name);
return EINVAL;
}
- nl_msg_put_string(options, OVS_PATCH_ATTR_PEER, peer);
+ free(dev->peer);
+ dev->peer = xstrdup(peer);
return 0;
}
static int
-unparse_patch_config(const char *name OVS_UNUSED, const char *type OVS_UNUSED,
- const struct nlattr *options, size_t options_len,
- struct smap *args)
-{
- static const struct nl_policy ovs_patch_policy[] = {
- [OVS_PATCH_ATTR_PEER] = { .type = NL_A_STRING,
- .max_len = IFNAMSIZ,
- .optional = false }
- };
-
- struct nlattr *a[ARRAY_SIZE(ovs_patch_policy)];
- struct ofpbuf buf;
-
- ofpbuf_use_const(&buf, options, options_len);
- if (!nl_policy_parse(&buf, 0, ovs_patch_policy,
- a, ARRAY_SIZE(ovs_patch_policy))) {
- return EINVAL;
- }
-
- smap_add(args, "peer", nl_attr_get_string(a[OVS_PATCH_ATTR_PEER]));
+patch_get_stats(const struct netdev *netdev, struct netdev_stats *stats)
+{
+ struct netdev_dev_vport *dev = netdev_vport_get_dev(netdev);
+ memcpy(stats, &dev->stats, sizeof *stats);
return 0;
}
\f
-#define VPORT_FUNCTIONS(GET_TUNNEL_CONFIG, GET_STATUS) \
+#define VPORT_FUNCTIONS(GET_CONFIG, SET_CONFIG, \
+ GET_TUNNEL_CONFIG, GET_STATS, \
+ GET_STATUS) \
NULL, \
netdev_vport_run, \
netdev_vport_wait, \
\
netdev_vport_create, \
netdev_vport_destroy, \
- netdev_vport_get_config, \
- netdev_vport_set_config, \
+ GET_CONFIG, \
+ SET_CONFIG, \
GET_TUNNEL_CONFIG, \
\
netdev_vport_open, \
NULL, /* get_carrier */ \
NULL, /* get_carrier_resets */ \
NULL, /* get_miimon */ \
- netdev_vport_get_stats, \
+ GET_STATS, \
NULL, /* set_stats */ \
\
NULL, /* get_features */ \
#define TUNNEL_CLASS(NAME, VPORT_TYPE) \
{ VPORT_TYPE, \
- { NAME, VPORT_FUNCTIONS(get_netdev_tunnel_config, \
- tunnel_get_status) }, \
- parse_tunnel_config, unparse_tunnel_config }
+ { NAME, VPORT_FUNCTIONS(get_tunnel_config, \
+ set_tunnel_config, \
+ get_netdev_tunnel_config, \
+ netdev_vport_get_stats, \
+ tunnel_get_status) }}
void
netdev_vport_register(void)
TUNNEL_CLASS("vxlan", OVS_VPORT_TYPE_VXLAN),
{ OVS_VPORT_TYPE_PATCH,
- { "patch", VPORT_FUNCTIONS(NULL, NULL) },
- parse_patch_config, unparse_patch_config }
+ { "patch", VPORT_FUNCTIONS(get_patch_config,
+ set_patch_config,
+ NULL,
+ patch_get_stats,
+ NULL) }},
};
int i;