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-rw-r--r--src/plugins/memif/private.h53
1 files changed, 42 insertions, 11 deletions
diff --git a/src/plugins/memif/private.h b/src/plugins/memif/private.h
index 5d8718dd669..f6335410ba8 100644
--- a/src/plugins/memif/private.h
+++ b/src/plugins/memif/private.h
@@ -16,6 +16,7 @@
*/
#include <vppinfra/lock.h>
+#include <vlib/dma/dma.h>
#include <vlib/log.h>
#define MEMIF_DEFAULT_SOCKET_FILENAME "memif.sock"
@@ -120,6 +121,11 @@ typedef struct
int fd;
} memif_msg_fifo_elt_t;
+#define MEMIF_RX_VECTOR_SZ VLIB_FRAME_SIZE
+#define MEMIF_DMA_INFO_SIZE VLIB_FRAME_SIZE
+
+struct memif_dma_info;
+
typedef struct
{
CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
@@ -135,6 +141,15 @@ typedef struct
u32 *buffers;
u8 buffer_pool_index;
+ /* dma data */
+ u16 dma_head;
+ u16 dma_tail;
+ struct memif_dma_info *dma_info;
+ u16 dma_info_head;
+ u16 dma_info_tail;
+ u16 dma_info_size;
+ u8 dma_info_full;
+
/* interrupts */
int int_fd;
uword int_clib_file_index;
@@ -145,14 +160,15 @@ typedef struct
u32 queue_index;
} memif_queue_t;
-#define foreach_memif_if_flag \
- _(0, ADMIN_UP, "admin-up") \
- _(1, IS_SLAVE, "slave") \
- _(2, CONNECTING, "connecting") \
- _(3, CONNECTED, "connected") \
- _(4, DELETING, "deleting") \
- _(5, ZERO_COPY, "zero-copy") \
- _(6, ERROR, "error")
+#define foreach_memif_if_flag \
+ _ (0, ADMIN_UP, "admin-up") \
+ _ (1, IS_SLAVE, "slave") \
+ _ (2, CONNECTING, "connecting") \
+ _ (3, CONNECTED, "connected") \
+ _ (4, DELETING, "deleting") \
+ _ (5, ZERO_COPY, "zero-copy") \
+ _ (6, ERROR, "error") \
+ _ (7, USE_DMA, "use_dma")
typedef enum
{
@@ -207,6 +223,10 @@ typedef struct
/* disconnect strings */
u8 *local_disc_string;
u8 *remote_disc_string;
+
+ /* dma config index */
+ int dma_input_config;
+ int dma_tx_config;
} memif_if_t;
typedef struct
@@ -224,8 +244,6 @@ typedef struct
u16 buffer_vec_index;
} memif_copy_op_t;
-#define MEMIF_RX_VECTOR_SZ VLIB_FRAME_SIZE
-
typedef enum
{
MEMIF_DESC_STATUS_OK = 0,
@@ -270,6 +288,17 @@ typedef struct
vlib_buffer_t buffer_template;
} memif_per_thread_data_t;
+typedef struct memif_dma_info
+{
+ /* per thread data */
+ memif_interface_mode_t mode;
+ vlib_node_runtime_t *node;
+ u32 dma_head;
+ u32 dma_tail;
+ u8 finished;
+ memif_per_thread_data_t data;
+} memif_dma_info_t;
+
typedef struct
{
CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
@@ -309,6 +338,7 @@ typedef struct
u8 *secret;
u8 is_master;
u8 is_zero_copy;
+ u8 use_dma;
memif_interface_mode_t mode:8;
memif_log2_ring_size_t log2_ring_size;
u16 buffer_size;
@@ -354,7 +384,8 @@ clib_error_t *memif_slave_conn_fd_error (clib_file_t * uf);
clib_error_t *memif_msg_send_disconnect (memif_if_t * mif,
clib_error_t * err);
u8 *format_memif_device_name (u8 * s, va_list * args);
-
+void memif_dma_completion_cb (vlib_main_t *vm, vlib_dma_batch_t *b);
+void memif_tx_dma_completion_cb (vlib_main_t *vm, vlib_dma_batch_t *b);
/*
* fd.io coding-style-patch-verification: ON