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authorFlorin Coras <fcoras@cisco.com>2021-11-15 14:01:02 -0800
committerDave Barach <openvpp@barachs.net>2021-11-16 15:35:41 +0000
commit7fe006965ec03304d694e965d6acdeb12248d989 (patch)
tree813b21c6e0b4acbd42805d2703324c60ed3d73c6
parenta25ce96ba35f001b974cb32e008efb7ef46710e4 (diff)
session: add per worker ct context
Type: improvement Signed-off-by: Florin Coras <fcoras@cisco.com> Change-Id: Ie20dc1e369735965bd780f04cd8703c099065fcc
-rw-r--r--src/vnet/session/application_local.c69
1 files changed, 43 insertions, 26 deletions
diff --git a/src/vnet/session/application_local.c b/src/vnet/session/application_local.c
index d9798966c2b..3a1d48b1a7e 100644
--- a/src/vnet/session/application_local.c
+++ b/src/vnet/session/application_local.c
@@ -46,11 +46,16 @@ typedef struct ct_cleanup_req_
u32 ct_index;
} ct_cleanup_req_t;
+typedef struct ct_worker_
+{
+ ct_connection_t *connections; /**< Per-worker connection pools */
+ ct_cleanup_req_t *pending_cleanups; /**< Fifo of pending indices */
+ u8 have_cleanups; /**< Set if cleanup rpc pending */
+} ct_worker_t;
+
typedef struct ct_main_
{
- ct_connection_t **connections; /**< Per-worker connection pools */
- ct_cleanup_req_t **pending_cleanups;
- u8 *heave_cleanups;
+ ct_worker_t *wrk; /**< Per-worker state */
u32 n_workers; /**< Number of vpp workers */
u32 n_sessions; /**< Cumulative sessions counter */
u32 *ho_reusable; /**< Vector of reusable ho indices */
@@ -62,13 +67,20 @@ typedef struct ct_main_
static ct_main_t ct_main;
+static inline ct_worker_t *
+ct_worker_get (u32 thread_index)
+{
+ return &ct_main.wrk[thread_index];
+}
+
static ct_connection_t *
ct_connection_alloc (u32 thread_index)
{
+ ct_worker_t *wrk = ct_worker_get (thread_index);
ct_connection_t *ct;
- pool_get_zero (ct_main.connections[thread_index], ct);
- ct->c_c_index = ct - ct_main.connections[thread_index];
+ pool_get_zero (wrk->connections, ct);
+ ct->c_c_index = ct - wrk->connections;
ct->c_thread_index = thread_index;
ct->client_wrk = ~0;
ct->server_wrk = ~0;
@@ -80,22 +92,25 @@ ct_connection_alloc (u32 thread_index)
static ct_connection_t *
ct_connection_get (u32 ct_index, u32 thread_index)
{
- if (pool_is_free_index (ct_main.connections[thread_index], ct_index))
+ ct_worker_t *wrk = ct_worker_get (thread_index);
+
+ if (pool_is_free_index (wrk->connections, ct_index))
return 0;
- return pool_elt_at_index (ct_main.connections[thread_index], ct_index);
+ return pool_elt_at_index (wrk->connections, ct_index);
}
static void
ct_connection_free (ct_connection_t * ct)
{
+ ct_worker_t *wrk = ct_worker_get (ct->c_thread_index);
+
if (CLIB_DEBUG)
{
- u32 thread_index = ct->c_thread_index;
- memset (ct, 0xfc, sizeof (*ct));
- pool_put (ct_main.connections[thread_index], ct);
+ clib_memset (ct, 0xfc, sizeof (*ct));
+ pool_put (wrk->connections, ct);
return;
}
- pool_put (ct_main.connections[ct->c_thread_index], ct);
+ pool_put (wrk->connections, ct);
}
static ct_connection_t *
@@ -106,7 +121,7 @@ ct_half_open_alloc (void)
clib_spinlock_lock (&cm->ho_reuseable_lock);
vec_foreach (hip, cm->ho_reusable)
- pool_put_index (cm->connections[0], *hip);
+ pool_put_index (cm->wrk[0].connections, *hip);
vec_reset_length (cm->ho_reusable);
clib_spinlock_unlock (&cm->ho_reuseable_lock);
@@ -936,31 +951,32 @@ ct_handle_cleanups (void *args)
{
uword thread_index = pointer_to_uword (args);
const u32 max_cleanups = 100;
- ct_main_t *cm = &ct_main;
ct_cleanup_req_t *req;
ct_connection_t *ct;
u32 n_to_handle = 0;
+ ct_worker_t *wrk;
session_t *s;
- cm->heave_cleanups[thread_index] = 0;
- n_to_handle = clib_fifo_elts (cm->pending_cleanups[thread_index]);
+ wrk = ct_worker_get (thread_index);
+ wrk->have_cleanups = 0;
+ n_to_handle = clib_fifo_elts (wrk->pending_cleanups);
n_to_handle = clib_min (n_to_handle, max_cleanups);
while (n_to_handle)
{
- clib_fifo_sub2 (cm->pending_cleanups[thread_index], req);
+ clib_fifo_sub2 (wrk->pending_cleanups, req);
ct = ct_connection_get (req->ct_index, thread_index);
s = session_get (ct->c_s_index, ct->c_thread_index);
if (!svm_fifo_has_event (s->tx_fifo))
ct_session_postponed_cleanup (ct);
else
- clib_fifo_add1 (cm->pending_cleanups[thread_index], *req);
+ clib_fifo_add1 (wrk->pending_cleanups, *req);
n_to_handle -= 1;
}
- if (clib_fifo_elts (cm->pending_cleanups[thread_index]))
+ if (clib_fifo_elts (wrk->pending_cleanups))
{
- cm->heave_cleanups[thread_index] = 1;
+ wrk->have_cleanups = 1;
session_send_rpc_evt_to_thread_force (
thread_index, ct_handle_cleanups,
uword_to_pointer (thread_index, void *));
@@ -970,18 +986,20 @@ ct_handle_cleanups (void *args)
static void
ct_program_cleanup (ct_connection_t *ct)
{
- ct_main_t *cm = &ct_main;
ct_cleanup_req_t *req;
uword thread_index;
+ ct_worker_t *wrk;
thread_index = ct->c_thread_index;
- clib_fifo_add2 (cm->pending_cleanups[thread_index], req);
+ wrk = ct_worker_get (ct->c_thread_index);
+
+ clib_fifo_add2 (wrk->pending_cleanups, req);
req->ct_index = ct->c_c_index;
- if (cm->heave_cleanups[thread_index])
+ if (wrk->have_cleanups)
return;
- cm->heave_cleanups[thread_index] = 1;
+ wrk->have_cleanups = 1;
session_send_rpc_evt_to_thread_force (
thread_index, ct_handle_cleanups, uword_to_pointer (thread_index, void *));
}
@@ -1164,12 +1182,11 @@ format_ct_session (u8 * s, va_list * args)
clib_error_t *
ct_enable_disable (vlib_main_t * vm, u8 is_en)
{
+ vlib_thread_main_t *vtm = &vlib_thread_main;
ct_main_t *cm = &ct_main;
cm->n_workers = vlib_num_workers ();
- vec_validate (cm->connections, cm->n_workers);
- vec_validate (cm->pending_cleanups, cm->n_workers);
- vec_validate (cm->heave_cleanups, cm->n_workers);
+ vec_validate (cm->wrk, vtm->n_vlib_mains);
clib_spinlock_init (&cm->ho_reuseable_lock);
clib_rwlock_init (&cm->app_segs_lock);
return 0;