diff options
Diffstat (limited to 'src/plugins/memif/private.h')
| -rw-r--r-- | src/plugins/memif/private.h | 53 |
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 |