git://git.onelab.eu
/
sliver-openvswitch.git
/ blobdiff
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
|
commitdiff
|
tree
raw
|
inline
| side by side
Merge branch 'master' into forward-port
[sliver-openvswitch.git]
/
lib
/
dpif-netdev.c
diff --git
a/lib/dpif-netdev.c
b/lib/dpif-netdev.c
index
c71bd6e
..
48bc92d
100644
(file)
--- a/
lib/dpif-netdev.c
+++ b/
lib/dpif-netdev.c
@@
-1,5
+1,5
@@
/*
/*
- * Copyright (c) 2009, 2010, 2011, 2012 Nicira
Networks
.
+ * Copyright (c) 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.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@
-70,8
+70,13
@@
enum { MAX_QUEUE_LEN = 128 }; /* Maximum number of packets per queue. */
enum { QUEUE_MASK = MAX_QUEUE_LEN - 1 };
BUILD_ASSERT_DECL(IS_POW2(MAX_QUEUE_LEN));
enum { QUEUE_MASK = MAX_QUEUE_LEN - 1 };
BUILD_ASSERT_DECL(IS_POW2(MAX_QUEUE_LEN));
+struct dp_netdev_upcall {
+ struct dpif_upcall upcall; /* Queued upcall information. */
+ struct ofpbuf buf; /* ofpbuf instance for upcall.packet. */
+};
+
struct dp_netdev_queue {
struct dp_netdev_queue {
- struct dp
if_upcall *
upcalls[MAX_QUEUE_LEN];
+ struct dp
_netdev_upcall
upcalls[MAX_QUEUE_LEN];
unsigned int head, tail;
};
unsigned int head, tail;
};
@@
-165,6
+170,17
@@
get_dp_netdev(const struct dpif *dpif)
return dpif_netdev_cast(dpif)->dp;
}
return dpif_netdev_cast(dpif)->dp;
}
+static int
+dpif_netdev_enumerate(struct sset *all_dps)
+{
+ struct shash_node *node;
+
+ SHASH_FOR_EACH(node, &dp_netdevs) {
+ sset_add(all_dps, node->name);
+ }
+ return 0;
+}
+
static struct dpif *
create_dpif_netdev(struct dp_netdev *dp)
{
static struct dpif *
create_dpif_netdev(struct dp_netdev *dp)
{
@@
-248,10
+264,8
@@
dp_netdev_purge_queues(struct dp_netdev *dp)
struct dp_netdev_queue *q = &dp->queues[i];
while (q->tail != q->head) {
struct dp_netdev_queue *q = &dp->queues[i];
while (q->tail != q->head) {
- struct dpif_upcall *upcall = q->upcalls[q->tail++ & QUEUE_MASK];
-
- ofpbuf_delete(upcall->packet);
- free(upcall);
+ struct dp_netdev_upcall *u = &q->upcalls[q->tail++ & QUEUE_MASK];
+ ofpbuf_uninit(&u->buf);
}
}
}
}
}
}
@@
-306,6
+320,8
@@
static const char* internal_port_type(const struct dp_netdev* dp)
{
if (dp->class == &dpif_netdev_class)
return "tap";
{
if (dp->class == &dpif_netdev_class)
return "tap";
+ if (dp->class == &dpif_planetlab_class)
+ return "tap_pl";
return "dummy";
}
return "dummy";
}
@@
-367,7
+383,9
@@
choose_port(struct dpif *dpif, struct netdev *netdev)
struct dp_netdev *dp = get_dp_netdev(dpif);
int port_no;
struct dp_netdev *dp = get_dp_netdev(dpif);
int port_no;
- if (dpif->dpif_class != &dpif_netdev_class) {
+ if (dpif->dpif_class != &dpif_netdev_class &&
+ dpif->dpif_class != &dpif_planetlab_class)
+ {
/* If the port name contains a number, try to assign that port number.
* This can make writing unit tests easier because port numbers are
* predictable. */
/* If the port name contains a number, try to assign that port number.
* This can make writing unit tests easier because port numbers are
* predictable. */
@@
-401,7
+419,16
@@
dpif_netdev_port_add(struct dpif *dpif, struct netdev *netdev,
struct dp_netdev *dp = get_dp_netdev(dpif);
int port_no;
struct dp_netdev *dp = get_dp_netdev(dpif);
int port_no;
- port_no = choose_port(dpif, netdev);
+ if (*port_nop != UINT16_MAX) {
+ if (*port_nop >= MAX_PORTS) {
+ return EFBIG;
+ } else if (dp->ports[*port_nop]) {
+ return EBUSY;
+ }
+ port_no = *port_nop;
+ } else {
+ port_no = choose_port(dpif, netdev);
+ }
if (port_no >= 0) {
*port_nop = port_no;
return do_add_port(dp, netdev_get_name(netdev),
if (port_no >= 0) {
*port_nop = port_no;
return do_add_port(dp, netdev_get_name(netdev),
@@
-707,10
+734,9
@@
set_flow_actions(struct dp_netdev_flow *flow,
}
static int
}
static int
-
add_flow(struct dpif *dpif
, const struct flow *key,
- const struct nlattr *actions, size_t actions_len)
+
dp_netdev_flow_add(struct dp_netdev *dp
, const struct flow *key,
+
const struct nlattr *actions, size_t actions_len)
{
{
- struct dp_netdev *dp = get_dp_netdev(dpif);
struct dp_netdev_flow *flow;
int error;
struct dp_netdev_flow *flow;
int error;
@@
-756,7
+782,8
@@
dpif_netdev_flow_put(struct dpif *dpif, const struct dpif_flow_put *put)
if (put->stats) {
memset(put->stats, 0, sizeof *put->stats);
}
if (put->stats) {
memset(put->stats, 0, sizeof *put->stats);
}
- return add_flow(dpif, &key, put->actions, put->actions_len);
+ return dp_netdev_flow_add(dp, &key, put->actions,
+ put->actions_len);
} else {
return EFBIG;
}
} else {
return EFBIG;
}
@@
-945,12
+972,13
@@
dpif_netdev_recv(struct dpif *dpif, struct dpif_upcall *upcall,
{
struct dp_netdev_queue *q = find_nonempty_queue(dpif);
if (q) {
{
struct dp_netdev_queue *q = find_nonempty_queue(dpif);
if (q) {
- struct dpif_upcall *u = q->upcalls[q->tail++ & QUEUE_MASK];
- *upcall = *u;
- free(u);
+ struct dp_netdev_upcall *u = &q->upcalls[q->tail++ & QUEUE_MASK];
+
+ *upcall = u->upcall;
+ upcall->packet = buf;
ofpbuf_uninit(buf);
ofpbuf_uninit(buf);
- *buf =
*u->packet
;
+ *buf =
u->buf
;
return 0;
} else {
return 0;
} else {
@@
-996,7
+1024,7
@@
dp_netdev_port_input(struct dp_netdev *dp, struct dp_netdev_port *port,
if (packet->size < ETH_HEADER_LEN) {
return;
}
if (packet->size < ETH_HEADER_LEN) {
return;
}
- flow_extract(packet, 0, 0,
port->port_no
, &key);
+ flow_extract(packet, 0, 0,
odp_port_to_ofp_port(port->port_no)
, &key);
flow = dp_netdev_lookup_flow(dp, &key);
if (flow) {
dp_netdev_flow_used(flow, &key, packet);
flow = dp_netdev_lookup_flow(dp, &key);
if (flow) {
dp_netdev_flow_used(flow, &key, packet);
@@
-1072,6
+1100,7
@@
dp_netdev_output_userspace(struct dp_netdev *dp, const struct ofpbuf *packet,
int queue_no, const struct flow *flow, uint64_t arg)
{
struct dp_netdev_queue *q = &dp->queues[queue_no];
int queue_no, const struct flow *flow, uint64_t arg)
{
struct dp_netdev_queue *q = &dp->queues[queue_no];
+ struct dp_netdev_upcall *u;
struct dpif_upcall *upcall;
struct ofpbuf *buf;
size_t key_len;
struct dpif_upcall *upcall;
struct ofpbuf *buf;
size_t key_len;
@@
-1081,22
+1110,23
@@
dp_netdev_output_userspace(struct dp_netdev *dp, const struct ofpbuf *packet,
return ENOBUFS;
}
return ENOBUFS;
}
- buf = ofpbuf_new(ODPUTIL_FLOW_KEY_BYTES + 2 + packet->size);
+ u = &q->upcalls[q->head++ & QUEUE_MASK];
+
+ buf = &u->buf;
+ ofpbuf_init(buf, ODPUTIL_FLOW_KEY_BYTES + 2 + packet->size);
odp_flow_key_from_flow(buf, flow);
key_len = buf->size;
ofpbuf_pull(buf, key_len);
ofpbuf_reserve(buf, 2);
ofpbuf_put(buf, packet->data, packet->size);
odp_flow_key_from_flow(buf, flow);
key_len = buf->size;
ofpbuf_pull(buf, key_len);
ofpbuf_reserve(buf, 2);
ofpbuf_put(buf, packet->data, packet->size);
- upcall =
xzalloc(sizeof *upcall)
;
+ upcall =
&u->upcall
;
upcall->type = queue_no;
upcall->packet = buf;
upcall->key = buf->base;
upcall->key_len = key_len;
upcall->userdata = arg;
upcall->type = queue_no;
upcall->packet = buf;
upcall->key = buf->base;
upcall->key_len = key_len;
upcall->userdata = arg;
- q->upcalls[q->head++ & QUEUE_MASK] = upcall;
-
return 0;
}
return 0;
}
@@
-1245,7
+1275,7
@@
dp_netdev_execute_actions(struct dp_netdev *dp,
}
#define DPIF_NETDEV_CLASS_FUNCTIONS \
}
#define DPIF_NETDEV_CLASS_FUNCTIONS \
-
NULL, /* enumerate */
\
+
dpif_netdev_enumerate,
\
dpif_netdev_open, \
dpif_netdev_close, \
dpif_netdev_destroy, \
dpif_netdev_open, \
dpif_netdev_close, \
dpif_netdev_destroy, \
@@
-1283,6
+1313,11
@@
const struct dpif_class dpif_netdev_class = {
DPIF_NETDEV_CLASS_FUNCTIONS
};
DPIF_NETDEV_CLASS_FUNCTIONS
};
+const struct dpif_class dpif_planetlab_class = {
+ "planetlab",
+ DPIF_NETDEV_CLASS_FUNCTIONS
+};
+
static void
dpif_dummy_register__(const char *type)
{
static void
dpif_dummy_register__(const char *type)
{