#define MEMIF_DEFAULT_TX_QUEUES 1
#define MEMIF_DEFAULT_BUFFER_SIZE 2048
-#define MEMIF_MAX_M2S_RING (vlib_get_n_threads ())
+#define MEMIF_MAX_M2S_RING 256
#define MEMIF_MAX_S2M_RING 256
#define MEMIF_MAX_REGION 256
#define MEMIF_MAX_LOG2_RING_SIZE 14
typedef struct
{
- u32 packet_len;
+ u16 packet_len;
u16 first_buffer_vec_index;
} memif_packet_op_t;
#define MEMIF_RX_VECTOR_SZ VLIB_FRAME_SIZE
+typedef enum
+{
+ MEMIF_DESC_STATUS_OK = 0,
+ MEMIF_DESC_STATUS_ERR_BAD_REGION,
+ MEMIF_DESC_STATUS_ERR_REGION_OVERRUN,
+ MEMIF_DESC_STATUS_ERR_DATA_TOO_BIG,
+ MEMIF_DESC_STATUS_ERR_ZERO_LENGTH
+} __clib_packed memif_desc_status_err_code_t;
+
+typedef union
+{
+ struct
+ {
+ u8 next : 1;
+ u8 err : 1;
+ u8 reserved : 2;
+ memif_desc_status_err_code_t err_code : 4;
+ };
+ u8 as_u8;
+} memif_desc_status_t;
+
+STATIC_ASSERT_SIZEOF (memif_desc_status_t, 1);
+
typedef struct
{
CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
-
+ u16 n_packets;
+ u16 max_desc_len;
+ u32 n_rx_bytes;
+ u8 xor_status;
/* copy vector */
- memif_packet_op_t packet_ops[MEMIF_RX_VECTOR_SZ];
memif_copy_op_t *copy_ops;
u32 *buffers;
+ memif_packet_op_t packet_ops[MEMIF_RX_VECTOR_SZ];
+
+ /* temp storage for compressed descriptors */
+ void **desc_data;
+ u16 *desc_len;
+ memif_desc_status_t *desc_status;
/* buffer template */
vlib_buffer_t buffer_template;
u32 sw_if_index;
} memif_create_if_args_t;
-int memif_socket_filename_add_del (u8 is_add, u32 sock_id,
- u8 * sock_filename);
-int memif_create_if (vlib_main_t * vm, memif_create_if_args_t * args);
-int memif_delete_if (vlib_main_t * vm, memif_if_t * mif);
+clib_error_t *memif_socket_filename_add_del (u8 is_add, u32 sock_id,
+ u8 *sock_filename);
+clib_error_t *memif_create_if (vlib_main_t *vm, memif_create_if_args_t *args);
+clib_error_t *memif_delete_if (vlib_main_t *vm, memif_if_t *mif);
clib_error_t *memif_plugin_api_hookup (vlib_main_t * vm);
clib_error_t *memif_interface_admin_up_down (vnet_main_t *vnm, u32 hw_if_index,
u32 flags);