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authorFlorin Coras <fcoras@cisco.com>2020-01-21 18:33:23 -0800
committerDave Barach <openvpp@barachs.net>2020-01-23 19:21:57 +0000
commit68b7e5888cbfc1fafd38971c725ce10268ad3841 (patch)
tree91dc18e56d813e2dcc6ee95c21eebf41aceb282f /src/vnet/session
parent87e64c929fa534ebd29b18f38fc6c15fd216e7e4 (diff)
vcl session: udp session migration notifications
Type: feature Change-Id: I402549818ba6e078802e914293304174dc6625c2 Signed-off-by: Florin Coras <fcoras@cisco.com>
Diffstat (limited to 'src/vnet/session')
-rw-r--r--src/vnet/session/application_interface.h8
-rw-r--r--src/vnet/session/session_api.c23
-rw-r--r--src/vnet/session/session_types.h1
3 files changed, 31 insertions, 1 deletions
diff --git a/src/vnet/session/application_interface.h b/src/vnet/session/application_interface.h
index 2e850a98e57..a6641477f12 100644
--- a/src/vnet/session/application_interface.h
+++ b/src/vnet/session/application_interface.h
@@ -502,6 +502,14 @@ typedef struct app_unmap_segment_msg_
u64 segment_handle;
} session_app_del_segment_msg_t;
+typedef struct session_migrate_msg_
+{
+ uword vpp_evt_q;
+ session_handle_t handle;
+ session_handle_t new_handle;
+ u32 vpp_thread_index;
+} __clib_packed session_migrated_msg_t;
+
typedef struct app_session_event_
{
svm_msg_q_msg_t msg;
diff --git a/src/vnet/session/session_api.c b/src/vnet/session/session_api.c
index 153c528059c..c6eeacfea18 100644
--- a/src/vnet/session/session_api.c
+++ b/src/vnet/session/session_api.c
@@ -470,7 +470,28 @@ mq_send_unlisten_reply (app_worker_t * app_wrk, session_handle_t sh,
static void
mq_send_session_migrate_cb (session_t * s, session_handle_t new_sh)
{
- clib_warning ("not supported");
+ svm_msg_q_msg_t _msg, *msg = &_msg;
+ session_migrated_msg_t *mp;
+ svm_msg_q_t *vpp_evt_q;
+ app_worker_t *app_wrk;
+ session_event_t *evt;
+ svm_msg_q_t *app_mq;
+
+ app_wrk = app_worker_get (s->app_wrk_index);
+ app_mq = app_wrk->event_queue;
+ if (mq_try_lock_and_alloc_msg (app_mq, msg))
+ return;
+
+ evt = svm_msg_q_msg_data (app_mq, msg);
+ clib_memset (evt, 0, sizeof (*evt));
+ evt->event_type = SESSION_CTRL_EVT_MIGRATED;
+ mp = (session_migrated_msg_t *) evt->data;
+ mp->handle = session_handle (s);
+ mp->new_handle = new_sh;
+ mp->vpp_thread_index = session_thread_from_handle (new_sh);
+ vpp_evt_q = session_main_get_vpp_event_queue (mp->vpp_thread_index);
+ mp->vpp_evt_q = pointer_to_uword (vpp_evt_q);
+ svm_msg_q_add_and_unlock (app_mq, msg);
}
static int
diff --git a/src/vnet/session/session_types.h b/src/vnet/session/session_types.h
index ce593b0b38c..60d5e4d823c 100644
--- a/src/vnet/session/session_types.h
+++ b/src/vnet/session/session_types.h
@@ -336,6 +336,7 @@ typedef enum
SESSION_CTRL_EVT_APP_DETACH,
SESSION_CTRL_EVT_APP_ADD_SEGMENT,
SESSION_CTRL_EVT_APP_DEL_SEGMENT,
+ SESSION_CTRL_EVT_MIGRATED,
} session_evt_type_t;
#define foreach_session_ctrl_evt \