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dpif: Change dpif API to allow multiple handler threads read upcall.

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This commit changes the API in 'dpif-provider.h' to allow multiple
handler threads call dpif_recv() simultaneously.

Signed-off-by: Alex Wang <alexw@nicira.com>
Acked-by: Ben Pfaff <blp@nicira.com>
This commit is contained in:
Alex Wang
2014-03-07 10:57:36 -08:00
parent 6723e8af39
commit 1954e6bbcb
8 changed files with 169 additions and 49 deletions
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14
lib/dpif-netdev.c
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@@ -1478,6 +1478,13 @@ dpif_netdev_recv_set(struct dpif *dpif OVS_UNUSED, bool enable OVS_UNUSED)
return 0;
}
static int
dpif_netdev_handlers_set(struct dpif *dpif OVS_UNUSED,
uint32_t n_handlers OVS_UNUSED)
{
return 0;
}
static int
dpif_netdev_queue_to_priority(const struct dpif *dpif OVS_UNUSED,
uint32_t queue_id, uint32_t *priority)
@@ -1502,8 +1509,8 @@ find_nonempty_queue(struct dp_netdev *dp)
}
static int
dpif_netdev_recv(struct dpif *dpif, struct dpif_upcall *upcall,
struct ofpbuf *buf)
dpif_netdev_recv(struct dpif *dpif, uint32_t n_handlers OVS_UNUSED,
struct dpif_upcall *upcall, struct ofpbuf *buf)
{
struct dp_netdev *dp = get_dp_netdev(dpif);
struct dp_netdev_queue *q;
@@ -1529,7 +1536,7 @@ dpif_netdev_recv(struct dpif *dpif, struct dpif_upcall *upcall,
}
static void
dpif_netdev_recv_wait(struct dpif *dpif)
dpif_netdev_recv_wait(struct dpif *dpif, uint32_t handler_id OVS_UNUSED)
{
struct dp_netdev *dp = get_dp_netdev(dpif);
uint64_t seq;
@@ -1923,6 +1930,7 @@ const struct dpif_class dpif_netdev_class = {
dpif_netdev_execute,
NULL, /* operate */
dpif_netdev_recv_set,
dpif_netdev_handlers_set,
dpif_netdev_queue_to_priority,
dpif_netdev_recv,
dpif_netdev_recv_wait,