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authorFlorin Coras <fcoras@cisco.com>2020-12-11 13:58:12 -0800
committerFlorin Coras <fcoras@cisco.com>2020-12-29 12:11:07 -0800
commitb462418890240b2e38dbf522f9dd0196b79e0fa8 (patch)
tree3ae26a22edb23da8d40f2c2b54eb96b056bca565 /src/plugins/hs_apps/sapi
parent04943b4c42db300d0d895644f32da79a6d411c51 (diff)
svm: allow mq attachments at random offsets
Type: feature Signed-off-by: Florin Coras <fcoras@cisco.com> Change-Id: Ic373cd2c11272da539eb4b0db27227f36f2f9688
Diffstat (limited to 'src/plugins/hs_apps/sapi')
-rw-r--r--src/plugins/hs_apps/sapi/vpp_echo.c16
-rw-r--r--src/plugins/hs_apps/sapi/vpp_echo_bapi.c50
-rw-r--r--src/plugins/hs_apps/sapi/vpp_echo_common.c12
-rw-r--r--src/plugins/hs_apps/sapi/vpp_echo_common.h7
-rw-r--r--src/plugins/hs_apps/sapi/vpp_echo_proto_udp.c3
5 files changed, 63 insertions, 25 deletions
diff --git a/src/plugins/hs_apps/sapi/vpp_echo.c b/src/plugins/hs_apps/sapi/vpp_echo.c
index a47a4d455d8..19b5808c550 100644
--- a/src/plugins/hs_apps/sapi/vpp_echo.c
+++ b/src/plugins/hs_apps/sapi/vpp_echo.c
@@ -556,16 +556,14 @@ session_accepted_handler (session_accepted_msg_t * mp)
session = echo_session_new (em);
if (echo_attach_session (mp->segment_handle, mp->server_rx_fifo,
- mp->server_tx_fifo, session))
+ mp->server_tx_fifo, mp->vpp_event_queue_address,
+ session))
{
ECHO_FAIL (ECHO_FAIL_ACCEPTED_WAIT_FOR_SEG_ALLOC,
"accepted wait_for_segment_allocation errored");
return;
}
- session->vpp_evt_q =
- uword_to_pointer (mp->vpp_event_queue_address, svm_msg_q_t *);
-
session->vpp_session_handle = mp->handle;
/* session->transport needed by app_send_dgram */
@@ -617,14 +615,14 @@ session_connected_handler (session_connected_msg_t * mp)
session = echo_session_new (em);
if (echo_attach_session (mp->segment_handle, mp->server_rx_fifo,
- mp->server_tx_fifo, session))
+ mp->server_tx_fifo, mp->vpp_event_queue_address,
+ session))
{
ECHO_FAIL (ECHO_FAIL_CONNECTED_WAIT_FOR_SEG_ALLOC,
"connected wait_for_segment_allocation errored");
return;
}
- session->vpp_evt_q = uword_to_pointer (mp->vpp_event_queue_address,
- svm_msg_q_t *);
+
session->vpp_session_handle = mp->handle;
session->start = clib_time_now (&em->clib_time);
session->listener_index = listener_index;
@@ -806,7 +804,7 @@ echo_process_rpcs (echo_main_t * em)
{
echo_rpc_msg_t *rpc;
svm_msg_q_msg_t msg;
- svm_msg_q_t *mq = em->rpc_msq_queue;
+ svm_msg_q_t *mq = &em->rpc_msq_queue;
while (em->state < STATE_DATA_DONE && !em->time_to_stop)
{
@@ -1321,7 +1319,7 @@ main (int argc, char **argv)
cfg->n_rings = 1;
cfg->q_nitems = rpc_queue_size;
cfg->ring_cfgs = rc;
- em->rpc_msq_queue = svm_msg_q_alloc (cfg);
+ svm_msg_q_attach (&em->rpc_msq_queue, svm_msg_q_alloc (cfg));
signal (SIGINT, stop_signal);
signal (SIGQUIT, stop_signal);
diff --git a/src/plugins/hs_apps/sapi/vpp_echo_bapi.c b/src/plugins/hs_apps/sapi/vpp_echo_bapi.c
index c643cec2ce3..6ad825d7872 100644
--- a/src/plugins/hs_apps/sapi/vpp_echo_bapi.c
+++ b/src/plugins/hs_apps/sapi/vpp_echo_bapi.c
@@ -264,12 +264,12 @@ echo_segment_detach (u64 segment_handle)
int
echo_attach_session (uword segment_handle, uword rxf_offset, uword txf_offset,
- echo_session_t *s)
+ uword mq_offset, echo_session_t *s)
{
svm_fifo_shared_t *rx_fifo, *tx_fifo;
echo_main_t *em = &echo_main;
+ u32 fs_index, eqs_index;
fifo_segment_t *fs;
- u32 fs_index;
fs_index = echo_segment_lookup (segment_handle);
if (fs_index == (u32) ~0)
@@ -279,6 +279,12 @@ echo_attach_session (uword segment_handle, uword rxf_offset, uword txf_offset,
return -1;
}
+ if (mq_offset != (uword) ~0)
+ {
+ eqs_index = echo_segment_lookup (ECHO_MQ_SEG_HANDLE);
+ ASSERT (eqs_index != (u32) ~0);
+ }
+
rx_fifo = uword_to_pointer (rxf_offset, svm_fifo_shared_t *);
tx_fifo = uword_to_pointer (txf_offset, svm_fifo_shared_t *);
rx_fifo->client_session_index = s->session_index;
@@ -290,6 +296,39 @@ echo_attach_session (uword segment_handle, uword rxf_offset, uword txf_offset,
s->rx_fifo = fifo_segment_alloc_fifo_w_shared (fs, rx_fifo);
s->tx_fifo = fifo_segment_alloc_fifo_w_shared (fs, tx_fifo);
+ if (mq_offset != (uword) ~0)
+ {
+ fs = fifo_segment_get_segment (&em->segment_main, eqs_index);
+ s->vpp_evt_q =
+ fifo_segment_msg_q_attach (fs, mq_offset, rx_fifo->slice_index);
+ }
+
+ clib_spinlock_unlock (&em->segment_handles_lock);
+
+ return 0;
+}
+
+int
+echo_segment_attach_mq (uword segment_handle, uword mq_offset, u32 mq_index,
+ svm_msg_q_t **mq)
+{
+ echo_main_t *em = &echo_main;
+ fifo_segment_t *fs;
+ u32 fs_index;
+
+ fs_index = echo_segment_lookup (segment_handle);
+ if (fs_index == (u32) ~0)
+ {
+ ECHO_LOG (0, "ERROR: mq segment %lx for is not attached!",
+ segment_handle);
+ return -1;
+ }
+
+ clib_spinlock_lock (&em->segment_handles_lock);
+
+ fs = fifo_segment_get_segment (&em->segment_main, fs_index);
+ *mq = fifo_segment_msg_q_attach (fs, mq_offset, mq_index);
+
clib_spinlock_unlock (&em->segment_handles_lock);
return 0;
@@ -338,8 +377,6 @@ static void
em->state = STATE_CLEANED_CERT_KEY;
}
-#define ECHO_MQ_SEG_HANDLE ((u64) ~0 - 1)
-
static void
vl_api_app_attach_reply_t_handler (vl_api_app_attach_reply_t * mp)
{
@@ -364,8 +401,6 @@ vl_api_app_attach_reply_t_handler (vl_api_app_attach_reply_t * mp)
ECHO_FAIL (ECHO_FAIL_VL_API_NULL_APP_MQ, "NULL app_mq");
return;
}
- em->app_mq = uword_to_pointer (mp->app_mq, svm_msg_q_t *);
- em->ctrl_mq = uword_to_pointer (mp->vpp_ctrl_mq, svm_msg_q_t *);
if (mp->n_fds)
{
@@ -385,6 +420,8 @@ vl_api_app_attach_reply_t_handler (vl_api_app_attach_reply_t * mp)
"svm_fifo_segment_attach failed on SSVM_SEGMENT_MEMFD");
goto failed;
}
+ echo_segment_attach_mq (ECHO_MQ_SEG_HANDLE, mp->vpp_ctrl_mq,
+ mp->vpp_ctrl_mq_thread, &em->ctrl_mq);
if (mp->fd_flags & SESSION_FD_F_MEMFD_SEGMENT)
{
@@ -401,6 +438,7 @@ vl_api_app_attach_reply_t_handler (vl_api_app_attach_reply_t * mp)
}
vec_free (segment_name);
}
+ echo_segment_attach_mq (segment_handle, mp->app_mq, 0, &em->app_mq);
if (mp->fd_flags & SESSION_FD_F_MQ_EVENTFD)
svm_msg_q_set_consumer_eventfd (em->app_mq, fds[n_fds++]);
diff --git a/src/plugins/hs_apps/sapi/vpp_echo_common.c b/src/plugins/hs_apps/sapi/vpp_echo_common.c
index 497f56c3e1e..e24629b783e 100644
--- a/src/plugins/hs_apps/sapi/vpp_echo_common.c
+++ b/src/plugins/hs_apps/sapi/vpp_echo_common.c
@@ -543,23 +543,23 @@ echo_send_rpc (echo_main_t * em, void *fp, echo_rpc_args_t * args)
{
svm_msg_q_msg_t msg;
echo_rpc_msg_t *evt;
- if (PREDICT_FALSE (svm_msg_q_lock (em->rpc_msq_queue)))
+ if (PREDICT_FALSE (svm_msg_q_lock (&em->rpc_msq_queue)))
{
ECHO_FAIL (ECHO_FAIL_RPC_SIZE, "RPC lock failed");
return -1;
}
- if (PREDICT_FALSE (svm_msg_q_ring_is_full (em->rpc_msq_queue, 0)))
+ if (PREDICT_FALSE (svm_msg_q_ring_is_full (&em->rpc_msq_queue, 0)))
{
- svm_msg_q_unlock (em->rpc_msq_queue);
+ svm_msg_q_unlock (&em->rpc_msq_queue);
ECHO_FAIL (ECHO_FAIL_RPC_SIZE, "RPC ring is full");
return -2;
}
- msg = svm_msg_q_alloc_msg_w_ring (em->rpc_msq_queue, 0);
- evt = (echo_rpc_msg_t *) svm_msg_q_msg_data (em->rpc_msq_queue, &msg);
+ msg = svm_msg_q_alloc_msg_w_ring (&em->rpc_msq_queue, 0);
+ evt = (echo_rpc_msg_t *) svm_msg_q_msg_data (&em->rpc_msq_queue, &msg);
evt->fp = fp;
clib_memcpy (&evt->args, args, sizeof (evt->args));
- svm_msg_q_add_and_unlock (em->rpc_msq_queue, &msg);
+ svm_msg_q_add_and_unlock (&em->rpc_msq_queue, &msg);
return 0;
}
diff --git a/src/plugins/hs_apps/sapi/vpp_echo_common.h b/src/plugins/hs_apps/sapi/vpp_echo_common.h
index cd2bbb6038c..dc5f7dfb9b5 100644
--- a/src/plugins/hs_apps/sapi/vpp_echo_common.h
+++ b/src/plugins/hs_apps/sapi/vpp_echo_common.h
@@ -38,6 +38,7 @@
#define TIMEOUT 10.0
#define LOGGING_BATCH (100)
#define LOG_EVERY_N_IDLE_CYCLES (1e8)
+#define ECHO_MQ_SEG_HANDLE ((u64) ~0 - 1)
#define foreach_echo_fail_code \
_(ECHO_FAIL_NONE, "ECHO_FAIL_NONE") \
@@ -300,7 +301,7 @@ typedef struct
uword *shared_segment_handles; /* Hash table : segment_names -> 1 */
clib_spinlock_t segment_handles_lock; /* Hash table lock */
echo_proto_cb_vft_t *proto_cb_vft;
- svm_msg_q_t *rpc_msq_queue; /* MQ between quic_echo threads */
+ svm_msg_q_t rpc_msq_queue; /* MQ between quic_echo threads */
fifo_segment_main_t segment_main;
/* State of the connection, shared between msg RX thread and main thread */
@@ -444,7 +445,9 @@ int echo_segment_attach (u64 segment_handle, char *name,
u32 echo_segment_lookup (u64 segment_handle);
void echo_segment_detach (u64 segment_handle);
int echo_attach_session (uword segment_handle, uword rxf_offset,
- uword txf_offset, echo_session_t *s);
+ uword mq_offset, uword txf_offset, echo_session_t *s);
+int echo_segment_attach_mq (uword segment_handle, uword mq_offset,
+ u32 mq_index, svm_msg_q_t **mq);
/* Binary API */
diff --git a/src/plugins/hs_apps/sapi/vpp_echo_proto_udp.c b/src/plugins/hs_apps/sapi/vpp_echo_proto_udp.c
index 9689a83d76b..10dfcf02067 100644
--- a/src/plugins/hs_apps/sapi/vpp_echo_proto_udp.c
+++ b/src/plugins/hs_apps/sapi/vpp_echo_proto_udp.c
@@ -132,14 +132,13 @@ udp_echo_bound_uri_cb (session_bound_msg_t * mp, echo_session_t * session)
return;
if (echo_attach_session (mp->segment_handle, mp->rx_fifo, mp->tx_fifo,
- session))
+ mp->vpp_evt_q, session))
{
ECHO_FAIL (ECHO_FAIL_ACCEPTED_WAIT_FOR_SEG_ALLOC,
"accepted wait_for_segment_allocation errored");
return;
}
- session->vpp_evt_q = uword_to_pointer (mp->vpp_evt_q, svm_msg_q_t *);
session->transport.is_ip4 = mp->lcl_is_ip4;
clib_memcpy_fast (&session->transport.lcl_ip, mp->lcl_ip,
sizeof (ip46_address_t));