#define RTE_BBDEV_TURBO_MAX_TB_SIZE (391656)
/* Maximum size of Code Block (36.212, Table 5.1.3-3) */
#define RTE_BBDEV_TURBO_MAX_CB_SIZE (6144)
+/* Maximum size of Code Block */
+#define RTE_BBDEV_LDPC_MAX_CB_SIZE (8448)
/* Minimum size of Code Block (36.212, Table 5.1.3-3) */
#define RTE_BBDEV_TURBO_MIN_CB_SIZE (40)
/* Maximum size of circular buffer */
#define RTE_BBDEV_TURBO_MAX_KW (18528)
/*
- * Maximum number of Code Blocks in Transport Block. It is calculated based on
- * maximum size of one Code Block and one Transport Block (considering CRC24A
- * and CRC24B):
+ * Turbo: Maximum number of Code Blocks in Transport Block. It is calculated
+ * based on maximum size of one Code Block and one Transport Block
+ * (considering CRC24A and CRC24B):
* (391656 + 24) / (6144 - 24) = 64
*/
#define RTE_BBDEV_TURBO_MAX_CODE_BLOCKS (64)
+/* LDPC: Maximum number of Code Blocks in Transport Block.*/
+#define RTE_BBDEV_LDPC_MAX_CODE_BLOCKS (256)
/** Flags for turbo decoder operation and capability structure */
enum rte_bbdev_op_td_flag_bitmasks {
- /**< If sub block de-interleaving is to be performed. */
+ /** If sub block de-interleaving is to be performed. */
RTE_BBDEV_TURBO_SUBBLOCK_DEINTERLEAVE = (1ULL << 0),
- /**< To use CRC Type 24B (otherwise use CRC Type 24A). */
+ /** To use CRC Type 24B (otherwise use CRC Type 24A). */
RTE_BBDEV_TURBO_CRC_TYPE_24B = (1ULL << 1),
- /**< If turbo equalization is to be performed. */
+ /** If turbo equalization is to be performed. */
RTE_BBDEV_TURBO_EQUALIZER = (1ULL << 2),
- /**< If set, saturate soft output to +/-127 */
+ /** If set, saturate soft output to +/-127 */
RTE_BBDEV_TURBO_SOFT_OUT_SATURATE = (1ULL << 3),
- /**< Set to 1 to start iteration from even, else odd; one iteration =
+ /** Set to 1 to start iteration from even, else odd; one iteration =
* max_iteration + 0.5
*/
RTE_BBDEV_TURBO_HALF_ITERATION_EVEN = (1ULL << 4),
- /**< If 0, TD stops after CRC matches; else if 1, runs to end of next
+ /** If 0, TD stops after CRC matches; else if 1, runs to end of next
* odd iteration after CRC matches
*/
RTE_BBDEV_TURBO_CONTINUE_CRC_MATCH = (1ULL << 5),
- /**< Set if soft output is required to be output */
+ /** Set if soft output is required to be output */
RTE_BBDEV_TURBO_SOFT_OUTPUT = (1ULL << 6),
- /**< Set to enable early termination mode */
+ /** Set to enable early termination mode */
RTE_BBDEV_TURBO_EARLY_TERMINATION = (1ULL << 7),
- /**< Set if a device supports decoder dequeue interrupts */
+ /** Set if a device supports decoder dequeue interrupts */
RTE_BBDEV_TURBO_DEC_INTERRUPTS = (1ULL << 9),
- /**< Set if positive LLR encoded input is supported. Positive LLR value
+ /** Set if positive LLR encoded input is supported. Positive LLR value
* represents the level of confidence for bit '1', and vice versa for
* bit '0'.
* This is mutually exclusive with RTE_BBDEV_TURBO_NEG_LLR_1_BIT_IN
* when used to formalize the input data format.
*/
RTE_BBDEV_TURBO_POS_LLR_1_BIT_IN = (1ULL << 10),
- /**< Set if negative LLR encoded input is supported. Negative LLR value
+ /** Set if negative LLR encoded input is supported. Negative LLR value
* represents the level of confidence for bit '1', and vice versa for
* bit '0'.
* This is mutually exclusive with RTE_BBDEV_TURBO_POS_LLR_1_BIT_IN
* when used to formalize the input data format.
*/
RTE_BBDEV_TURBO_NEG_LLR_1_BIT_IN = (1ULL << 11),
- /**< Set if positive LLR soft output is supported. Positive LLR value
+ /** Set if positive LLR soft output is supported. Positive LLR value
* represents the level of confidence for bit '1', and vice versa for
* bit '0'.
* This is mutually exclusive with
* the input data format.
*/
RTE_BBDEV_TURBO_POS_LLR_1_BIT_SOFT_OUT = (1ULL << 12),
- /**< Set if negative LLR soft output is supported. Negative LLR value
+ /** Set if negative LLR soft output is supported. Negative LLR value
* represents the level of confidence for bit '1', and vice versa for
* bit '0'.
* This is mutually exclusive with
* input data format.
*/
RTE_BBDEV_TURBO_NEG_LLR_1_BIT_SOFT_OUT = (1ULL << 13),
- /**< Set if driver supports flexible parallel MAP engine decoding. If
+ /** Set if driver supports flexible parallel MAP engine decoding. If
* not supported, num_maps (number of MAP engines) argument is unusable.
*/
RTE_BBDEV_TURBO_MAP_DEC = (1ULL << 14),
- /**< Set if a device supports scatter-gather functionality */
+ /** Set if a device supports scatter-gather functionality */
RTE_BBDEV_TURBO_DEC_SCATTER_GATHER = (1ULL << 15),
- /**< Set to keep CRC24B bits appended while decoding. Only usable when
+ /** Set to keep CRC24B bits appended while decoding. Only usable when
* decoding Transport Blocks (code_block_mode = 0).
*/
RTE_BBDEV_TURBO_DEC_TB_CRC_24B_KEEP = (1ULL << 16)
};
+
/** Flags for turbo encoder operation and capability structure */
enum rte_bbdev_op_te_flag_bitmasks {
- /**< Ignore rv_index and set K0 = 0 */
+ /** Ignore rv_index and set K0 = 0 */
RTE_BBDEV_TURBO_RV_INDEX_BYPASS = (1ULL << 0),
- /**< If rate matching is to be performed */
+ /** If rate matching is to be performed */
RTE_BBDEV_TURBO_RATE_MATCH = (1ULL << 1),
- /**< This bit must be set to enable CRC-24B generation */
+ /** This bit must be set to enable CRC-24B generation */
RTE_BBDEV_TURBO_CRC_24B_ATTACH = (1ULL << 2),
- /**< This bit must be set to enable CRC-24A generation */
+ /** This bit must be set to enable CRC-24A generation */
RTE_BBDEV_TURBO_CRC_24A_ATTACH = (1ULL << 3),
- /**< Set if a device supports encoder dequeue interrupts */
+ /** Set if a device supports encoder dequeue interrupts */
RTE_BBDEV_TURBO_ENC_INTERRUPTS = (1ULL << 4),
- /**< Set if a device supports scatter-gather functionality */
+ /** Set if a device supports scatter-gather functionality */
RTE_BBDEV_TURBO_ENC_SCATTER_GATHER = (1ULL << 5)
};
-/**< Data input and output buffer for BBDEV operations */
+/** Flags for LDPC decoder operation and capability structure */
+enum rte_bbdev_op_ldpcdec_flag_bitmasks {
+ /** Set for transport block CRC-24A checking */
+ RTE_BBDEV_LDPC_CRC_TYPE_24A_CHECK = (1ULL << 0),
+ /** Set for code block CRC-24B checking */
+ RTE_BBDEV_LDPC_CRC_TYPE_24B_CHECK = (1ULL << 1),
+ /** Set to drop the last CRC bits decoding output */
+ RTE_BBDEV_LDPC_CRC_TYPE_24B_DROP = (1ULL << 2),
+ /** Set for bit-level de-interleaver bypass on Rx stream. */
+ RTE_BBDEV_LDPC_DEINTERLEAVER_BYPASS = (1ULL << 3),
+ /** Set for HARQ combined input stream enable. */
+ RTE_BBDEV_LDPC_HQ_COMBINE_IN_ENABLE = (1ULL << 4),
+ /** Set for HARQ combined output stream enable. */
+ RTE_BBDEV_LDPC_HQ_COMBINE_OUT_ENABLE = (1ULL << 5),
+ /** Set for LDPC decoder bypass.
+ * RTE_BBDEV_LDPC_HQ_COMBINE_OUT_ENABLE must be set.
+ */
+ RTE_BBDEV_LDPC_DECODE_BYPASS = (1ULL << 6),
+ /** Set for soft-output stream enable */
+ RTE_BBDEV_LDPC_SOFT_OUT_ENABLE = (1ULL << 7),
+ /** Set for Rate-Matching bypass on soft-out stream. */
+ RTE_BBDEV_LDPC_SOFT_OUT_RM_BYPASS = (1ULL << 8),
+ /** Set for bit-level de-interleaver bypass on soft-output stream. */
+ RTE_BBDEV_LDPC_SOFT_OUT_DEINTERLEAVER_BYPASS = (1ULL << 9),
+ /** Set for iteration stopping on successful decode condition
+ * i.e. a successful syndrome check.
+ */
+ RTE_BBDEV_LDPC_ITERATION_STOP_ENABLE = (1ULL << 10),
+ /** Set if a device supports decoder dequeue interrupts. */
+ RTE_BBDEV_LDPC_DEC_INTERRUPTS = (1ULL << 11),
+ /** Set if a device supports scatter-gather functionality. */
+ RTE_BBDEV_LDPC_DEC_SCATTER_GATHER = (1ULL << 12),
+ /** Set if a device supports input/output HARQ compression. */
+ RTE_BBDEV_LDPC_HARQ_6BIT_COMPRESSION = (1ULL << 13),
+ /** Set if a device supports input LLR compression. */
+ RTE_BBDEV_LDPC_LLR_COMPRESSION = (1ULL << 14),
+ /** Set if a device supports HARQ input from
+ * device's internal memory.
+ */
+ RTE_BBDEV_LDPC_INTERNAL_HARQ_MEMORY_IN_ENABLE = (1ULL << 15),
+ /** Set if a device supports HARQ output to
+ * device's internal memory.
+ */
+ RTE_BBDEV_LDPC_INTERNAL_HARQ_MEMORY_OUT_ENABLE = (1ULL << 16),
+ /** Set if a device supports loop-back access to
+ * HARQ internal memory. Intended for troubleshooting.
+ */
+ RTE_BBDEV_LDPC_INTERNAL_HARQ_MEMORY_LOOPBACK = (1ULL << 17)
+};
+
+/** Flags for LDPC encoder operation and capability structure */
+enum rte_bbdev_op_ldpcenc_flag_bitmasks {
+ /** Set for bit-level interleaver bypass on output stream. */
+ RTE_BBDEV_LDPC_INTERLEAVER_BYPASS = (1ULL << 0),
+ /** If rate matching is to be performed */
+ RTE_BBDEV_LDPC_RATE_MATCH = (1ULL << 1),
+ /** Set for transport block CRC-24A attach */
+ RTE_BBDEV_LDPC_CRC_24A_ATTACH = (1ULL << 2),
+ /** Set for code block CRC-24B attach */
+ RTE_BBDEV_LDPC_CRC_24B_ATTACH = (1ULL << 3),
+ /** Set for code block CRC-16 attach */
+ RTE_BBDEV_LDPC_CRC_16_ATTACH = (1ULL << 4),
+ /** Set if a device supports encoder dequeue interrupts. */
+ RTE_BBDEV_LDPC_ENC_INTERRUPTS = (1ULL << 5),
+ /** Set if a device supports scatter-gather functionality. */
+ RTE_BBDEV_LDPC_ENC_SCATTER_GATHER = (1ULL << 6),
+ /** Set if a device supports concatenation of non byte aligned output */
+ RTE_BBDEV_LDPC_ENC_CONCATENATION = (1ULL << 7)
+};
+
+/** Data input and output buffer for BBDEV operations */
struct rte_bbdev_op_data {
- /**< The mbuf data structure representing the data for BBDEV operation.
+ /** The mbuf data structure representing the data for BBDEV operation.
*
* This mbuf pointer can point to one Code Block (CB) data buffer or
* multiple CBs contiguously located next to each other.
* A Transport Block (TB) represents a whole piece of data that is
* divided into one or more CBs. Maximum number of CBs can be contained
- * in one TB is defined by RTE_BBDEV_TURBO_MAX_CODE_BLOCKS.
+ * in one TB is defined by RTE_BBDEV_(TURBO/LDPC)_MAX_CODE_BLOCKS.
*
* An mbuf data structure cannot represent more than one TB. The
* smallest piece of data that can be contained in one mbuf is one CB.
* then it is capable of collecting (gathering) non-contiguous
* (scattered) data from multiple locations in the memory.
* This capability is reported by the capability flags:
- * - RTE_BBDEV_TURBO_ENC_SCATTER_GATHER and
- * - RTE_BBDEV_TURBO_DEC_SCATTER_GATHER.
+ * - RTE_BBDEV_(TURBO/LDPC)_ENC_SCATTER_GATHER and
+ * - RTE_BBDEV_(TURBO/LDPC)_DEC_SCATTER_GATHER.
* Only if a BBDEV PMD supports this feature, chained mbuf data
* structures are accepted. A chained mbuf can represent one
* non-contiguous CB or multiple non-contiguous CBs.
* was a chained mbuf.
*/
struct rte_mbuf *data;
- /**< The starting point of the BBDEV (encode/decode) operation,
+ /** The starting point of the BBDEV (encode/decode) operation,
* in bytes.
*
* BBDEV starts to read data past this offset.
* segment.
*/
uint32_t offset;
- /**< The total data length to be processed in one operation, in bytes.
+ /** The total data length to be processed in one operation, in bytes.
*
* In case the mbuf data is representing one CB, this is the length of
* the CB undergoing the operation.
* If it's for multiple CBs, this is the total length of those CBs
* undergoing the operation.
- * If it's for one TB, this is the total length of the TB under
+ * If it is for one TB, this is the total length of the TB under
* operation.
*
* In case of chained mbuf, this data length includes the lengths of the
uint32_t length;
};
-struct rte_bbdev_op_dec_cb_params {
- /**< The K size of the input CB, in bits [40:6144], as specified in
+/** Turbo decode code block parameters */
+struct rte_bbdev_op_dec_turbo_cb_params {
+ /** The K size of the input CB, in bits [40:6144], as specified in
* 3GPP TS 36.212.
* This size is inclusive of CRC bits, regardless whether it was
* pre-calculated by the application or not.
*/
uint16_t k;
- /**< The E length of the CB rate matched LLR output, in bytes, as in
+ /** The E length of the CB rate matched LLR output, in bytes, as in
* 3GPP TS 36.212.
*/
uint32_t e;
};
-struct rte_bbdev_op_dec_tb_params {
- /**< The K- size of the input CB, in bits [40:6144], that is in the
+/** LDPC decode code block parameters */
+struct rte_bbdev_op_dec_ldpc_cb_params {
+ /** Rate matching output sequence length in bits or LLRs.
+ * [3GPP TS38.212, section 5.4.2.1]
+ */
+ uint32_t e;
+};
+
+/** Turbo decode transport block parameters */
+struct rte_bbdev_op_dec_turbo_tb_params {
+ /** The K- size of the input CB, in bits [40:6144], that is in the
* Turbo operation when r < C-, as in 3GPP TS 36.212.
*/
uint16_t k_neg;
- /**< The K+ size of the input CB, in bits [40:6144], that is in the
+ /** The K+ size of the input CB, in bits [40:6144], that is in the
* Turbo operation when r >= C-, as in 3GPP TS 36.212.
*/
uint16_t k_pos;
- /**< The number of CBs that have K- size, [0:63] */
+ /** The number of CBs that have K- size, [0:63] */
uint8_t c_neg;
- /**< The total number of CBs in the TB, [1:RTE_BBDEV_TURBO_MAX_CODE_BLOCKS] */
+ /** The total number of CBs in the TB,
+ * [1:RTE_BBDEV_TURBO_MAX_CODE_BLOCKS]
+ */
uint8_t c;
- /**< The number of CBs that uses Ea before switching to Eb, [0:63] */
+ /** The number of CBs that uses Ea before switching to Eb, [0:63] */
uint8_t cab;
- /**< The E size of the CB rate matched output to use in the Turbo
+ /** The E size of the CB rate matched output to use in the Turbo
* operation when r < cab
*/
uint32_t ea;
- /**< The E size of the CB rate matched output to use in the Turbo
+ /** The E size of the CB rate matched output to use in the Turbo
* operation when r >= cab
*/
uint32_t eb;
- /**< The index of the first CB in the inbound mbuf data, default is 0 */
+ /** The index of the first CB in the inbound mbuf data, default is 0 */
uint8_t r;
};
-/**< Operation structure for Turbo decode.
- * An operation can perform on one CB at a time "CB-mode".
- * An operation can perform on one or multiple CBs that are logically belonging
- * to one TB "TB-mode".
- * The provided K size parameter of the CB is its size out coming from the
+/** LDPC decode transport block parameters */
+struct rte_bbdev_op_dec_ldpc_tb_params {
+ /** Ea, length after rate matching in bits, r < cab.
+ * [3GPP TS38.212, section 5.4.2.1]
+ */
+ uint32_t ea;
+ /** Eb, length after rate matching in bits, r >= cab.
+ * [3GPP TS38.212, section 5.4.2.1]
+ */
+ uint32_t eb;
+ /** The total number of CBs in the TB or partial TB
+ * [1:RTE_BBDEV_LDPC_MAX_CODE_BLOCKS]
+ */
+ uint8_t c;
+ /** The index of the first CB in the inbound mbuf data, default is 0 */
+ uint8_t r;
+ /** The number of CBs that use Ea before switching to Eb, [0:63] */
+ uint8_t cab;
+};
+
+/** Operation structure for Turbo decode.
+ * An operation can be performed on one CB at a time "CB-mode".
+ * An operation can be performed on one or multiple CBs that logically
+ * belong to one TB "TB-mode".
+ * The provided K size parameter of the CB is its size coming from the
* decode operation.
* CRC24A/B check is requested by the application by setting the flag
* RTE_BBDEV_TURBO_CRC_TYPE_24B for CRC24B check or CRC24A otherwise.
* application with enough room for the output data.
*/
struct rte_bbdev_op_turbo_dec {
- /**< The Virtual Circular Buffer, wk, size 3*Kpi for each CB */
+ /** The Virtual Circular Buffer, wk, size 3*Kpi for each CB */
struct rte_bbdev_op_data input;
- /**< The hard decisions buffer for the decoded output,
+ /** The hard decisions buffer for the decoded output,
* size K for each CB
*/
struct rte_bbdev_op_data hard_output;
- /**< The soft LLR output buffer - optional */
+ /** The soft LLR output buffer - optional */
struct rte_bbdev_op_data soft_output;
- uint32_t op_flags; /**< Flags from rte_bbdev_op_td_flag_bitmasks */
- uint8_t rv_index; /**< Rv index for rate matching [0:3] */
- /**< The minimum number of iterations to perform in decoding all CBs in
+ /** Flags from rte_bbdev_op_td_flag_bitmasks */
+ uint32_t op_flags;
+
+ /** Rv index for rate matching [0:3] */
+ uint8_t rv_index;
+ /** The minimum number of iterations to perform in decoding all CBs in
* this operation - input
*/
uint8_t iter_min:4;
- /**< The maximum number of iterations to perform in decoding all CBs in
+ /** The maximum number of iterations to perform in decoding all CBs in
* this operation - input
*/
uint8_t iter_max:4;
- /**< The maximum number of iterations that were perform in decoding all
- * CBs in this decode operation - output
+ /** The maximum number of iterations that were performed in decoding
+ * all CBs in this decode operation - output
*/
uint8_t iter_count;
- /**< 5 bit extrinsic scale (scale factor on extrinsic info) */
+ /** 5 bit extrinsic scale (scale factor on extrinsic info) */
uint8_t ext_scale;
- /**< Number of MAP engines to use in decode,
- * must be power of 2 (or 0 to auto-select)
+ /** Number of MAP engines to use in decode,
+ * must be power of 2 (or 0 to auto-select)
*/
uint8_t num_maps;
- uint8_t code_block_mode; /**< [0 - TB : 1 - CB] */
+ /**< [0 - TB : 1 - CB] */
+ uint8_t code_block_mode;
union {
/**< Struct which stores Code Block specific parameters */
- struct rte_bbdev_op_dec_cb_params cb_params;
+ struct rte_bbdev_op_dec_turbo_cb_params cb_params;
/**< Struct which stores Transport Block specific parameters */
- struct rte_bbdev_op_dec_tb_params tb_params;
+ struct rte_bbdev_op_dec_turbo_tb_params tb_params;
};
};
+/** Operation structure for LDPC decode.
+ *
+ * An operation can be performed on one CB at a time "CB-mode".
+ * An operation can also be performed on one or multiple CBs that logically
+ * belong to a TB "TB-mode" (Currently not supported).
+ *
+ * The input encoded CB data is the Virtual Circular Buffer data stream.
+ *
+ * Each byte in the input circular buffer is the LLR value of each bit of the
+ * original CB.
+ *
+ * Hard output is a mandatory capability that all BBDEV PMDs support. This is
+ * the decoded CBs (CRC24A/B is the last 24-bit in each decoded CB).
+ *
+ * Soft output is an optional capability for BBDEV PMDs. If supported, an LLR
+ * rate matched output is computed in the soft_output buffer structure.
+ * These are A Posteriori Probabilities (APP) LLR samples for coded bits.
+ *
+ * HARQ combined output is an optional capability for BBDEV PMDs.
+ * If supported, a LLR output is streamed to the harq_combined_output
+ * buffer.
+ *
+ * HARQ combined input is an optional capability for BBDEV PMDs.
+ * If supported, a LLR input is streamed from the harq_combined_input
+ * buffer.
+ *
+ * The output mbuf data structure is expected to be allocated by the
+ * application with enough room for the output data.
+ */
+struct rte_bbdev_op_ldpc_dec {
+ /** The Virtual Circular Buffer for this code block, one LLR
+ * per bit of the original CB.
+ */
+ struct rte_bbdev_op_data input;
+ /** The hard decisions buffer for the decoded output,
+ * size K for each CB
+ */
+ struct rte_bbdev_op_data hard_output;
+ /** The soft LLR output LLR stream buffer - optional */
+ struct rte_bbdev_op_data soft_output;
+ /** The HARQ combined LLR stream input buffer - optional */
+ struct rte_bbdev_op_data harq_combined_input;
+ /** The HARQ combined LLR stream output buffer - optional */
+ struct rte_bbdev_op_data harq_combined_output;
+
+ /** Flags from rte_bbdev_op_ldpcdec_flag_bitmasks */
+ uint32_t op_flags;
+
+ /** Rate matching redundancy version
+ * [3GPP TS38.212, section 5.4.2.1]
+ */
+ uint8_t rv_index;
+ /** The maximum number of iterations to perform in decoding CB in
+ * this operation - input
+ */
+ uint8_t iter_max;
+ /** The number of iterations that were performed in decoding
+ * CB in this decode operation - output
+ */
+ uint8_t iter_count;
+ /** 1: LDPC Base graph 1, 2: LDPC Base graph 2.
+ * [3GPP TS38.212, section 5.2.2]
+ */
+ uint8_t basegraph;
+ /** Zc, LDPC lifting size.
+ * [3GPP TS38.212, section 5.2.2]
+ */
+ uint16_t z_c;
+ /** Ncb, length of the circular buffer in bits.
+ * [3GPP TS38.212, section 5.4.2.1]
+ */
+ uint16_t n_cb;
+ /** Qm, modulation order {1,2,4,6,8}.
+ * [3GPP TS38.212, section 5.4.2.2]
+ */
+ uint8_t q_m;
+ /** Number of Filler bits, n_filler = K – K’
+ * [3GPP TS38.212 section 5.2.2]
+ */
+ uint16_t n_filler;
+ /** [0 - TB : 1 - CB] */
+ uint8_t code_block_mode;
+ union {
+ /** Struct which stores Code Block specific parameters */
+ struct rte_bbdev_op_dec_ldpc_cb_params cb_params;
+ /** Struct which stores Transport Block specific parameters */
+ struct rte_bbdev_op_dec_ldpc_tb_params tb_params;
+ };
+};
+
+/** Turbo encode code block parameters */
struct rte_bbdev_op_enc_turbo_cb_params {
- /**< The K size of the input CB, in bits [40:6144], as specified in
+ /** The K size of the input CB, in bits [40:6144], as specified in
* 3GPP TS 36.212.
* This size is inclusive of CRC24A, regardless whether it was
* pre-calculated by the application or not.
*/
uint16_t k;
- /**< The E length of the CB rate matched output, in bits, as in
+ /** The E length of the CB rate matched output, in bits, as in
* 3GPP TS 36.212.
*/
uint32_t e;
- /**< The Ncb soft buffer size of the CB rate matched output [K:3*Kpi],
+ /** The Ncb soft buffer size of the CB rate matched output [K:3*Kpi],
* in bits, as specified in 3GPP TS 36.212.
*/
uint16_t ncb;
};
+/** Turbo encode transport block parameters */
struct rte_bbdev_op_enc_turbo_tb_params {
- /**< The K- size of the input CB, in bits [40:6144], that is in the
+ /** The K- size of the input CB, in bits [40:6144], that is in the
* Turbo operation when r < C-, as in 3GPP TS 36.212.
* This size is inclusive of CRC24B, regardless whether it was
* pre-calculated and appended by the application or not.
*/
uint16_t k_neg;
- /**< The K+ size of the input CB, in bits [40:6144], that is in the
+ /** The K+ size of the input CB, in bits [40:6144], that is in the
* Turbo operation when r >= C-, as in 3GPP TS 36.212.
* This size is inclusive of CRC24B, regardless whether it was
* pre-calculated and appended by the application or not.
*/
uint16_t k_pos;
- /**< The number of CBs that have K- size, [0:63] */
+ /** The number of CBs that have K- size, [0:63] */
uint8_t c_neg;
- /**< The total number of CBs in the TB, [1:RTE_BBDEV_TURBO_MAX_CODE_BLOCKS] */
+ /** The total number of CBs in the TB,
+ * [1:RTE_BBDEV_TURBO_MAX_CODE_BLOCKS]
+ */
uint8_t c;
- /**< The number of CBs that uses Ea before switching to Eb, [0:63] */
+ /** The number of CBs that uses Ea before switching to Eb, [0:63] */
uint8_t cab;
- /**< The E size of the CB rate matched output to use in the Turbo
+ /** The E size of the CB rate matched output to use in the Turbo
* operation when r < cab
*/
uint32_t ea;
- /**< The E size of the CB rate matched output to use in the Turbo
+ /** The E size of the CB rate matched output to use in the Turbo
* operation when r >= cab
*/
uint32_t eb;
- /**< The Ncb soft buffer size for the rate matched CB that is used in
+ /** The Ncb soft buffer size for the rate matched CB that is used in
* the Turbo operation when r < C-, [K:3*Kpi]
*/
uint16_t ncb_neg;
- /**< The Ncb soft buffer size for the rate matched CB that is used in
+ /** The Ncb soft buffer size for the rate matched CB that is used in
* the Turbo operation when r >= C-, [K:3*Kpi]
*/
uint16_t ncb_pos;
uint8_t r;
};
-/**< Operation structure for Turbo encode.
- * An operation can perform on one CB at a time "CB-mode".
- * An operation can perform on one or multiple CBs that are logically
- * belonging to one TB "TB-mode".
+/** LDPC encode code block parameters */
+struct rte_bbdev_op_enc_ldpc_cb_params {
+ /** E, length after rate matching in bits.
+ * [3GPP TS38.212, section 5.4.2.1]
+ */
+ uint32_t e;
+};
+
+/** LDPC encode transport block parameters */
+struct rte_bbdev_op_enc_ldpc_tb_params {
+ /** Ea, length after rate matching in bits, r < cab.
+ * [3GPP TS38.212, section 5.4.2.1]
+ */
+ uint32_t ea;
+ /** Eb, length after rate matching in bits, r >= cab.
+ * [3GPP TS38.212, section 5.4.2.1]
+ */
+ uint32_t eb;
+ /** The total number of CBs in the TB or partial TB
+ * [1:RTE_BBDEV_LDPC_MAX_CODE_BLOCKS]
+ */
+ uint8_t c;
+ /** The index of the first CB in the inbound mbuf data, default is 0 */
+ uint8_t r;
+ /** The number of CBs that use Ea before switching to Eb, [0:63] */
+ uint8_t cab;
+};
+
+/** Operation structure for Turbo encode.
+ * An operation can be performed on one CB at a time "CB-mode".
+ * An operation can pbe erformd on one or multiple CBs that logically
+ * belong to one TB "TB-mode".
*
* In CB-mode, CRC24A/B is an optional operation. K size parameter is not
* affected by CRC24A/B inclusion, this only affects the inbound mbuf data
* application with enough room for the output data.
*/
struct rte_bbdev_op_turbo_enc {
- /**< The input CB or TB data */
+ /** The input CB or TB data */
struct rte_bbdev_op_data input;
- /**< The rate matched CB or TB output buffer */
+ /** The rate matched CB or TB output buffer */
struct rte_bbdev_op_data output;
+ /** Flags from rte_bbdev_op_te_flag_bitmasks */
+ uint32_t op_flags;
- uint32_t op_flags; /**< Flags from rte_bbdev_op_te_flag_bitmasks */
- uint8_t rv_index; /**< Rv index for rate matching [0:3] */
-
- uint8_t code_block_mode; /**< [0 - TB : 1 - CB] */
+ /** Rv index for rate matching [0:3] */
+ uint8_t rv_index;
+ /** [0 - TB : 1 - CB] */
+ uint8_t code_block_mode;
union {
- /**< Struct which stores Code Block specific parameters */
+ /** Struct which stores Code Block specific parameters */
struct rte_bbdev_op_enc_turbo_cb_params cb_params;
- /**< Struct which stores Transport Block specific parameters */
+ /** Struct which stores Transport Block specific parameters */
struct rte_bbdev_op_enc_turbo_tb_params tb_params;
};
};
-/**< List of the capabilities for the Turbo Decoder */
+/** Operation structure for LDPC encode.
+ * An operation can be performed on one CB at a time "CB-mode".
+ * An operation can be performed on one or multiple CBs that logically
+ * belong to a TB "TB-mode".
+ *
+ * The input data is the CB or TB input to the decoder.
+ *
+ * The output data is the ratematched CB or TB data, or the output after
+ * bit-selection if RTE_BBDEV_LDPC_INTERLEAVER_BYPASS is set.
+ *
+ * The output mbuf data structure is expected to be allocated by the
+ * application with enough room for the output data.
+ */
+struct rte_bbdev_op_ldpc_enc {
+ /** The input TB or CB data */
+ struct rte_bbdev_op_data input;
+ /** The rate matched TB or CB output buffer */
+ struct rte_bbdev_op_data output;
+
+ /** Flags from rte_bbdev_op_ldpcenc_flag_bitmasks */
+ uint32_t op_flags;
+
+ /** Rate matching redundancy version */
+ uint8_t rv_index;
+ /** 1: LDPC Base graph 1, 2: LDPC Base graph 2.
+ * [3GPP TS38.212, section 5.2.2]
+ */
+ uint8_t basegraph;
+ /** Zc, LDPC lifting size.
+ * [3GPP TS38.212, section 5.2.2]
+ */
+ uint16_t z_c;
+ /** Ncb, length of the circular buffer in bits.
+ * [3GPP TS38.212, section 5.4.2.1]
+ */
+ uint16_t n_cb;
+ /** Qm, modulation order {2,4,6,8,10}.
+ * [3GPP TS38.212, section 5.4.2.2]
+ */
+ uint8_t q_m;
+ /** Number of Filler bits, n_filler = K – K’
+ * [3GPP TS38.212 section 5.2.2]
+ */
+ uint16_t n_filler;
+ /** [0 - TB : 1 - CB] */
+ uint8_t code_block_mode;
+ union {
+ /** Struct which stores Code Block specific parameters */
+ struct rte_bbdev_op_enc_ldpc_cb_params cb_params;
+ /** Struct which stores Transport Block specific parameters */
+ struct rte_bbdev_op_enc_ldpc_tb_params tb_params;
+ };
+};
+
+/** List of the capabilities for the Turbo Decoder */
struct rte_bbdev_op_cap_turbo_dec {
- /**< Flags from rte_bbdev_op_td_flag_bitmasks */
+ /** Flags from rte_bbdev_op_td_flag_bitmasks */
uint32_t capability_flags;
/** Maximal LLR absolute value. Acceptable LLR values lie in range
* [-max_llr_modulus, max_llr_modulus].
*/
int8_t max_llr_modulus;
+ /** Num input code block buffers */
uint8_t num_buffers_src; /**< Num input code block buffers */
- /**< Num hard output code block buffers */
+ /** Num hard output code block buffers */
uint8_t num_buffers_hard_out;
- /**< Num soft output code block buffers if supported by the driver */
+ /** Num soft output code block buffers if supported by the driver */
uint8_t num_buffers_soft_out;
};
-/**< List of the capabilities for the Turbo Encoder */
+/** List of the capabilities for the Turbo Encoder */
struct rte_bbdev_op_cap_turbo_enc {
- /**< Flags from rte_bbdev_op_te_flag_bitmasks */
+ /** Flags from rte_bbdev_op_te_flag_bitmasks */
uint32_t capability_flags;
- uint8_t num_buffers_src; /**< Num input code block buffers */
- uint8_t num_buffers_dst; /**< Num output code block buffers */
+ /** Num input code block buffers */
+ uint8_t num_buffers_src;
+ /** Num output code block buffers */
+ uint8_t num_buffers_dst;
+};
+
+/** List of the capabilities for the LDPC Decoder */
+struct rte_bbdev_op_cap_ldpc_dec {
+ /** Flags from rte_bbdev_op_ldpcdec_flag_bitmasks */
+ uint32_t capability_flags;
+ /** LLR size in bits. LLR is a two’s complement number. */
+ int8_t llr_size;
+ /** LLR numbers of decimals bit for arithmetic representation */
+ int8_t llr_decimals;
+ /** Amount of memory for HARQ in external DDR in MB */
+ uint16_t harq_memory_size;
+ /** Num input code block buffers */
+ uint16_t num_buffers_src;
+ /** Num hard output code block buffers */
+ uint16_t num_buffers_hard_out;
+ /** Num soft output code block buffers if supported by the driver */
+ uint16_t num_buffers_soft_out;
+};
+
+/** List of the capabilities for the LDPC Encoder */
+struct rte_bbdev_op_cap_ldpc_enc {
+ /** Flags from rte_bbdev_op_ldpcenc_flag_bitmasks */
+ uint32_t capability_flags;
+ /** Num input code block buffers */
+ uint16_t num_buffers_src;
+ /** Num output code block buffers */
+ uint16_t num_buffers_dst;
};
/** Different operation types supported by the device */
RTE_BBDEV_OP_NONE, /**< Dummy operation that does nothing */
RTE_BBDEV_OP_TURBO_DEC, /**< Turbo decode */
RTE_BBDEV_OP_TURBO_ENC, /**< Turbo encode */
+ RTE_BBDEV_OP_LDPC_DEC, /**< LDPC decode */
+ RTE_BBDEV_OP_LDPC_ENC, /**< LDPC encode */
RTE_BBDEV_OP_TYPE_COUNT, /**< Count of different op types */
};
-/**< Bit indexes of possible errors reported through status field */
+/** Bit indexes of possible errors reported through status field */
enum {
RTE_BBDEV_DRV_ERROR,
RTE_BBDEV_DATA_ERROR,
RTE_BBDEV_CRC_ERROR,
+ RTE_BBDEV_SYNDROME_ERROR
};
-/**< Structure specifying a single encode operation */
+/** Structure specifying a single encode operation */
struct rte_bbdev_enc_op {
- int status; /**< Status of operation that was performed */
- struct rte_mempool *mempool; /**< Mempool which op instance is in */
- void *opaque_data; /**< Opaque pointer for user data */
- /**< Contains encoder specific parameters */
- struct rte_bbdev_op_turbo_enc turbo_enc;
+ /**< Status of operation that was performed */
+ int status;
+ /**< Mempool which op instance is in */
+ struct rte_mempool *mempool;
+ /**< Opaque pointer for user data */
+ void *opaque_data;
+ union {
+ /** Contains turbo decoder specific parameters */
+ struct rte_bbdev_op_turbo_enc turbo_enc;
+ /** Contains LDPC decoder specific parameters */
+ struct rte_bbdev_op_ldpc_enc ldpc_enc;
+ };
};
-/**< Structure specifying a single decode operation */
+/** Structure specifying a single decode operation */
struct rte_bbdev_dec_op {
- int status; /**< Status of operation that was performed */
- struct rte_mempool *mempool; /**< Mempool which op instance is in */
- void *opaque_data; /**< Opaque pointer for user data */
- /**< Contains decoder specific parameters */
- struct rte_bbdev_op_turbo_dec turbo_dec;
+ /** Status of operation that was performed */
+ int status;
+ /** Mempool which op instance is in */
+ struct rte_mempool *mempool;
+ /** Opaque pointer for user data */
+ void *opaque_data;
+ union {
+ /** Contains turbo decoder specific parameters */
+ struct rte_bbdev_op_turbo_dec turbo_dec;
+ /** Contains LDPC decoder specific parameters */
+ struct rte_bbdev_op_ldpc_dec ldpc_dec;
+ };
};
-/**< Operation capabilities supported by a device */
+/** Operation capabilities supported by a device */
struct rte_bbdev_op_cap {
enum rte_bbdev_op_type type; /**< Type of operation */
union {
struct rte_bbdev_op_cap_turbo_dec turbo_dec;
struct rte_bbdev_op_cap_turbo_enc turbo_enc;
+ struct rte_bbdev_op_cap_ldpc_dec ldpc_dec;
+ struct rte_bbdev_op_cap_ldpc_enc ldpc_enc;
} cap; /**< Operation-type specific capabilities */
};
/* Check type */
priv = (struct rte_bbdev_op_pool_private *)
rte_mempool_get_priv(mempool);
- if (unlikely(priv->type != RTE_BBDEV_OP_TURBO_ENC))
+ if (unlikely((priv->type != RTE_BBDEV_OP_TURBO_ENC) &&
+ (priv->type != RTE_BBDEV_OP_LDPC_ENC)))
return -EINVAL;
/* Get elements */
/* Check type */
priv = (struct rte_bbdev_op_pool_private *)
rte_mempool_get_priv(mempool);
- if (unlikely(priv->type != RTE_BBDEV_OP_TURBO_DEC))
+ if (unlikely((priv->type != RTE_BBDEV_OP_TURBO_DEC) &&
+ (priv->type != RTE_BBDEV_OP_LDPC_DEC)))
return -EINVAL;
/* Get elements */
git.droids-corp.org / dpdk.git / commitdiff