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authorFlorin Coras <fcoras@cisco.com>2019-07-15 13:15:18 -0700
committerDave Barach <openvpp@barachs.net>2019-07-17 12:20:23 +0000
commit2062ec0d67fb83fa25fc938c992a8e882612c777 (patch)
treee74828ba6f90b5bee0e37183c3664682cd17d4bb /src/vnet/session/session.h
parent0dfbce6b76c40976beca671da57c773c6e8944b9 (diff)
session: use llist in session node evt handling
Type: refactor Change-Id: I24159e0a848f552b4e27acfb5fe6f2cd91b50a19 Signed-off-by: Florin Coras <fcoras@cisco.com>
Diffstat (limited to 'src/vnet/session/session.h')
-rw-r--r--src/vnet/session/session.h82
1 files changed, 73 insertions, 9 deletions
diff --git a/src/vnet/session/session.h b/src/vnet/session/session.h
index d1268188962..73c6dc82988 100644
--- a/src/vnet/session/session.h
+++ b/src/vnet/session/session.h
@@ -15,6 +15,7 @@
#ifndef __included_session_h__
#define __included_session_h__
+#include <vppinfra/llist.h>
#include <vnet/session/session_types.h>
#include <vnet/session/session_lookup.h>
#include <vnet/session/session_debug.h>
@@ -61,6 +62,12 @@ typedef struct session_tx_context_
session_dgram_hdr_t hdr;
} session_tx_context_t;
+typedef struct session_evt_elt
+{
+ clib_llist_anchor_t evt_list;
+ session_event_t evt;
+} session_evt_elt_t;
+
typedef struct session_worker_
{
CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
@@ -86,17 +93,20 @@ typedef struct session_worker_
/** Vector of tx buffer free lists */
u32 *tx_buffers;
- /** Vector of partially read events */
- session_event_t *free_event_vector;
+ /** Pool of session event list elements */
+ session_evt_elt_t *event_elts;
- /** Vector of active event vectors */
- session_event_t *pending_event_vector;
+ /** Head of list of elements */
+ clib_llist_index_t new_head;
- /** Vector of postponed disconnects */
- session_event_t *pending_disconnects;
+ /** Head of list of pending events */
+ clib_llist_index_t pending_head;
- /** Vector of postponed events */
- session_event_t *postponed_event_vector;
+ /** Head of list of postponed events */
+ clib_llist_index_t postponed_head;
+
+ /** Head of list of disconnect events */
+ clib_llist_index_t disconnects_head;
/** Peekers rw lock */
clib_rwlock_t peekers_rw_locks;
@@ -108,7 +118,7 @@ typedef struct session_worker_
typedef int (session_fifo_rx_fn) (vlib_main_t * vm,
vlib_node_runtime_t * node,
session_worker_t * wrk,
- session_event_t * e, int *n_tx_pkts);
+ session_evt_elt_t * e, int *n_tx_pkts);
extern session_fifo_rx_fn session_tx_fifo_peek_and_snd;
extern session_fifo_rx_fn session_tx_fifo_dequeue_and_snd;
@@ -186,6 +196,60 @@ extern vlib_node_registration_t session_queue_pre_input_node;
#define SESSION_Q_PROCESS_FLUSH_FRAMES 1
#define SESSION_Q_PROCESS_STOP 2
+static inline session_evt_elt_t *
+session_evt_elt_alloc (session_worker_t * wrk)
+{
+ session_evt_elt_t *elt;
+ pool_get (wrk->event_elts, elt);
+ return elt;
+}
+
+static inline void
+session_evt_elt_free (session_worker_t * wrk, session_evt_elt_t * elt)
+{
+ pool_put (wrk->event_elts, elt);
+}
+
+static inline session_evt_elt_t *
+session_evt_pending_head (session_worker_t * wrk)
+{
+ return pool_elt_at_index (wrk->event_elts, wrk->pending_head);
+}
+
+static inline session_evt_elt_t *
+session_evt_postponed_head (session_worker_t * wrk)
+{
+ return pool_elt_at_index (wrk->event_elts, wrk->postponed_head);
+}
+
+static inline session_evt_elt_t *
+session_evt_pending_disconnects_head (session_worker_t * wrk)
+{
+ return pool_elt_at_index (wrk->event_elts, wrk->disconnects_head);
+}
+
+static inline void
+session_evt_add_pending (session_worker_t * wrk, session_evt_elt_t * elt)
+{
+ clib_llist_add_tail (wrk->event_elts, evt_list, elt,
+ session_evt_pending_head (wrk));
+}
+
+static inline void
+session_evt_add_postponed (session_worker_t * wrk, session_evt_elt_t * elt)
+{
+ clib_llist_add_tail (wrk->event_elts, evt_list, elt,
+ session_evt_postponed_head (wrk));
+}
+
+static inline void
+session_evt_add_pending_disconnects (session_worker_t * wrk,
+ session_evt_elt_t * elt)
+{
+ clib_llist_add_tail (wrk->event_elts, evt_list, elt,
+ session_evt_pending_disconnects_head (wrk));
+}
+
always_inline u8
session_is_valid (u32 si, u8 thread_index)
{