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-rw-r--r--src/vnet/session/session.h20
1 files changed, 20 insertions, 0 deletions
diff --git a/src/vnet/session/session.h b/src/vnet/session/session.h
index 68ed8431605..a68e51239bd 100644
--- a/src/vnet/session/session.h
+++ b/src/vnet/session/session.h
@@ -21,6 +21,7 @@
#include <vnet/session/session_debug.h>
#include <svm/message_queue.h>
#include <svm/fifo_segment.h>
+#include <vlib/dma/dma.h>
#define foreach_session_input_error \
_(NO_SESSION, "No session drops") \
@@ -85,6 +86,13 @@ typedef enum session_wrk_flags_
SESSION_WRK_F_ADAPTIVE = 1 << 0,
} __clib_packed session_wrk_flag_t;
+#define DMA_TRANS_SIZE 1024
+typedef struct
+{
+ u32 *pending_tx_buffers;
+ u16 *pending_tx_nexts;
+} session_dma_transfer;
+
typedef struct session_worker_
{
CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
@@ -155,6 +163,15 @@ typedef struct session_worker_
/** List head for first worker evts pending handling on main */
clib_llist_index_t evts_pending_main;
+ int config_index;
+ u8 dma_enabled;
+ session_dma_transfer *dma_trans;
+ u16 trans_head;
+ u16 trans_tail;
+ u16 trans_size;
+ u16 batch_num;
+ vlib_dma_batch_t *batch;
+
#if SESSION_DEBUG
/** last event poll time by thread */
clib_time_type_t last_event_poll;
@@ -237,6 +254,9 @@ typedef struct session_main_
/** Session ssvm segment configs*/
uword wrk_mqs_segment_size;
+ /** Session enable dma*/
+ u8 dma_enabled;
+
/** Session table size parameters */
u32 configured_v4_session_table_buckets;
u32 configured_v4_session_table_memory;