DPDK patches and discussions
 help / color / mirror / Atom feed
From: Tom Rix <trix@redhat.com>
To: Nicolas Chautru <nicolas.chautru@intel.com>,
	dev@dpdk.org, akhil.goyal@nxp.com
Cc: bruce.richardson@intel.com, rosen.xu@intel.com,
	dave.burley@accelercomm.com, aidan.goddard@accelercomm.com,
	ferruh.yigit@intel.com, tianjiao.liu@intel.com
Subject: Re: [dpdk-dev] [PATCH v9 05/10] baseband/acc100: add LDPC processing functions
Date: Wed, 30 Sep 2020 09:53:51 -0700	[thread overview]
Message-ID: <41639260-93fe-80fb-745c-9cf3a15db6f1@redhat.com> (raw)
In-Reply-To: <1601339385-117424-6-git-send-email-nicolas.chautru@intel.com>


On 9/28/20 5:29 PM, Nicolas Chautru wrote:
> Adding LDPC decode and encode processing operations
>
> Signed-off-by: Nicolas Chautru <nicolas.chautru@intel.com>
> Acked-by: Liu Tianjiao <Tianjiao.liu@intel.com>
> Acked-by: Dave Burley <dave.burley@accelercomm.com>
> ---
>  doc/guides/bbdevs/features/acc100.ini    |    8 +-
>  drivers/baseband/acc100/rte_acc100_pmd.c | 1625 +++++++++++++++++++++++++++++-
>  drivers/baseband/acc100/rte_acc100_pmd.h |    3 +
>  3 files changed, 1630 insertions(+), 6 deletions(-)
>
> diff --git a/doc/guides/bbdevs/features/acc100.ini b/doc/guides/bbdevs/features/acc100.ini
> index c89a4d7..40c7adc 100644
> --- a/doc/guides/bbdevs/features/acc100.ini
> +++ b/doc/guides/bbdevs/features/acc100.ini
> @@ -6,9 +6,9 @@
>  [Features]
>  Turbo Decoder (4G)     = N
>  Turbo Encoder (4G)     = N
> -LDPC Decoder (5G)      = N
> -LDPC Encoder (5G)      = N
> -LLR/HARQ Compression   = N
> -External DDR Access    = N
> +LDPC Decoder (5G)      = Y
> +LDPC Encoder (5G)      = Y
> +LLR/HARQ Compression   = Y
> +External DDR Access    = Y
>  HW Accelerated         = Y
>  BBDEV API              = Y
> diff --git a/drivers/baseband/acc100/rte_acc100_pmd.c b/drivers/baseband/acc100/rte_acc100_pmd.c
> index 7a21c57..b223547 100644
> --- a/drivers/baseband/acc100/rte_acc100_pmd.c
> +++ b/drivers/baseband/acc100/rte_acc100_pmd.c
> @@ -15,6 +15,9 @@
>  #include <rte_hexdump.h>
>  #include <rte_pci.h>
>  #include <rte_bus_pci.h>
> +#ifdef RTE_BBDEV_OFFLOAD_COST
> +#include <rte_cycles.h>
> +#endif
>  
>  #include <rte_bbdev.h>
>  #include <rte_bbdev_pmd.h>
> @@ -449,7 +452,6 @@
>  	return 0;
>  }
>  
> -
>  /**
>   * Report a ACC100 queue index which is free
>   * Return 0 to 16k for a valid queue_idx or -1 when no queue is available
> @@ -634,6 +636,46 @@
>  	struct acc100_device *d = dev->data->dev_private;
>  
>  	static const struct rte_bbdev_op_cap bbdev_capabilities[] = {
> +		{
> +			.type   = RTE_BBDEV_OP_LDPC_ENC,
> +			.cap.ldpc_enc = {
> +				.capability_flags =
> +					RTE_BBDEV_LDPC_RATE_MATCH |
> +					RTE_BBDEV_LDPC_CRC_24B_ATTACH |
> +					RTE_BBDEV_LDPC_INTERLEAVER_BYPASS,
> +				.num_buffers_src =
> +						RTE_BBDEV_LDPC_MAX_CODE_BLOCKS,
> +				.num_buffers_dst =
> +						RTE_BBDEV_LDPC_MAX_CODE_BLOCKS,
> +			}
> +		},
> +		{
> +			.type   = RTE_BBDEV_OP_LDPC_DEC,
> +			.cap.ldpc_dec = {
> +			.capability_flags =
> +				RTE_BBDEV_LDPC_CRC_TYPE_24B_CHECK |
> +				RTE_BBDEV_LDPC_CRC_TYPE_24B_DROP |
> +				RTE_BBDEV_LDPC_HQ_COMBINE_IN_ENABLE |
> +				RTE_BBDEV_LDPC_HQ_COMBINE_OUT_ENABLE |
> +#ifdef ACC100_EXT_MEM

This is unconditionally defined in rte_acc100_pmd.h but it seems

like it could be a hw config.  Please add a comment in the *.h

Could also change to

#if ACC100_EXT_MEM

and change the #define ACC100_EXT_MEM 1

> +				RTE_BBDEV_LDPC_INTERNAL_HARQ_MEMORY_IN_ENABLE |
> +				RTE_BBDEV_LDPC_INTERNAL_HARQ_MEMORY_OUT_ENABLE |
> +#endif
> +				RTE_BBDEV_LDPC_ITERATION_STOP_ENABLE |
> +				RTE_BBDEV_LDPC_DEINTERLEAVER_BYPASS |
> +				RTE_BBDEV_LDPC_DECODE_BYPASS |
> +				RTE_BBDEV_LDPC_DEC_SCATTER_GATHER |
> +				RTE_BBDEV_LDPC_HARQ_6BIT_COMPRESSION |
> +				RTE_BBDEV_LDPC_LLR_COMPRESSION,
> +			.llr_size = 8,
> +			.llr_decimals = 1,
> +			.num_buffers_src =
> +					RTE_BBDEV_LDPC_MAX_CODE_BLOCKS,
> +			.num_buffers_hard_out =
> +					RTE_BBDEV_LDPC_MAX_CODE_BLOCKS,
> +			.num_buffers_soft_out = 0,
> +			}
> +		},
>  		RTE_BBDEV_END_OF_CAPABILITIES_LIST()
>  	};
>  
> @@ -669,9 +711,14 @@
>  	dev_info->cpu_flag_reqs = NULL;
>  	dev_info->min_alignment = 64;
>  	dev_info->capabilities = bbdev_capabilities;
> +#ifdef ACC100_EXT_MEM
>  	dev_info->harq_buffer_size = d->ddr_size;
> +#else
> +	dev_info->harq_buffer_size = 0;
> +#endif
>  }
>  
> +
>  static const struct rte_bbdev_ops acc100_bbdev_ops = {
>  	.setup_queues = acc100_setup_queues,
>  	.close = acc100_dev_close,
> @@ -696,6 +743,1577 @@
>  	{.device_id = 0},
>  };
>  
> +/* Read flag value 0/1 from bitmap */
> +static inline bool
> +check_bit(uint32_t bitmap, uint32_t bitmask)
> +{
> +	return bitmap & bitmask;
> +}
> +

All the bbdev have this function, its pretty trival but it would be good if common bbdev

functions got moved to a common place.

> +static inline char *
> +mbuf_append(struct rte_mbuf *m_head, struct rte_mbuf *m, uint16_t len)
> +{
> +	if (unlikely(len > rte_pktmbuf_tailroom(m)))
> +		return NULL;
> +
> +	char *tail = (char *)m->buf_addr + m->data_off + m->data_len;
> +	m->data_len = (uint16_t)(m->data_len + len);
> +	m_head->pkt_len  = (m_head->pkt_len + len);
> +	return tail;
> +}
> +
> +/* Compute value of k0.
> + * Based on 3GPP 38.212 Table 5.4.2.1-2
> + * Starting position of different redundancy versions, k0
> + */
> +static inline uint16_t
> +get_k0(uint16_t n_cb, uint16_t z_c, uint8_t bg, uint8_t rv_index)
> +{
> +	if (rv_index == 0)
> +		return 0;
> +	uint16_t n = (bg == 1 ? N_ZC_1 : N_ZC_2) * z_c;
> +	if (n_cb == n) {
> +		if (rv_index == 1)
> +			return (bg == 1 ? K0_1_1 : K0_1_2) * z_c;
> +		else if (rv_index == 2)
> +			return (bg == 1 ? K0_2_1 : K0_2_2) * z_c;
> +		else
> +			return (bg == 1 ? K0_3_1 : K0_3_2) * z_c;
> +	}
> +	/* LBRM case - includes a division by N */
> +	if (rv_index == 1)
> +		return (((bg == 1 ? K0_1_1 : K0_1_2) * n_cb)
> +				/ n) * z_c;
> +	else if (rv_index == 2)
> +		return (((bg == 1 ? K0_2_1 : K0_2_2) * n_cb)
> +				/ n) * z_c;
> +	else
> +		return (((bg == 1 ? K0_3_1 : K0_3_2) * n_cb)
> +				/ n) * z_c;
> +}
> +
> +/* Fill in a frame control word for LDPC encoding. */
> +static inline void
> +acc100_fcw_le_fill(const struct rte_bbdev_enc_op *op,
> +		struct acc100_fcw_le *fcw, int num_cb)
> +{
> +	fcw->qm = op->ldpc_enc.q_m;
> +	fcw->nfiller = op->ldpc_enc.n_filler;
> +	fcw->BG = (op->ldpc_enc.basegraph - 1);
> +	fcw->Zc = op->ldpc_enc.z_c;
> +	fcw->ncb = op->ldpc_enc.n_cb;
> +	fcw->k0 = get_k0(fcw->ncb, fcw->Zc, op->ldpc_enc.basegraph,
> +			op->ldpc_enc.rv_index);
> +	fcw->rm_e = op->ldpc_enc.cb_params.e;
> +	fcw->crc_select = check_bit(op->ldpc_enc.op_flags,
> +			RTE_BBDEV_LDPC_CRC_24B_ATTACH);
> +	fcw->bypass_intlv = check_bit(op->ldpc_enc.op_flags,
> +			RTE_BBDEV_LDPC_INTERLEAVER_BYPASS);
> +	fcw->mcb_count = num_cb;
> +}
> +
> +/* Fill in a frame control word for LDPC decoding. */
> +static inline void
> +acc100_fcw_ld_fill(const struct rte_bbdev_dec_op *op, struct acc100_fcw_ld *fcw,
> +		union acc100_harq_layout_data *harq_layout)
> +{
> +	uint16_t harq_out_length, harq_in_length, ncb_p, k0_p, parity_offset;
> +	uint16_t harq_index;
> +	uint32_t l;
> +	bool harq_prun = false;
> +
> +	fcw->qm = op->ldpc_dec.q_m;
> +	fcw->nfiller = op->ldpc_dec.n_filler;
> +	fcw->BG = (op->ldpc_dec.basegraph - 1);
> +	fcw->Zc = op->ldpc_dec.z_c;
> +	fcw->ncb = op->ldpc_dec.n_cb;
> +	fcw->k0 = get_k0(fcw->ncb, fcw->Zc, op->ldpc_dec.basegraph,
> +			op->ldpc_dec.rv_index);
> +	if (op->ldpc_dec.code_block_mode == 1)
1 is magic, consider a #define
> +		fcw->rm_e = op->ldpc_dec.cb_params.e;
> +	else
> +		fcw->rm_e = (op->ldpc_dec.tb_params.r <
> +				op->ldpc_dec.tb_params.cab) ?
> +						op->ldpc_dec.tb_params.ea :
> +						op->ldpc_dec.tb_params.eb;
> +
> +	fcw->hcin_en = check_bit(op->ldpc_dec.op_flags,
> +			RTE_BBDEV_LDPC_HQ_COMBINE_IN_ENABLE);
> +	fcw->hcout_en = check_bit(op->ldpc_dec.op_flags,
> +			RTE_BBDEV_LDPC_HQ_COMBINE_OUT_ENABLE);
> +	fcw->crc_select = check_bit(op->ldpc_dec.op_flags,
> +			RTE_BBDEV_LDPC_CRC_TYPE_24B_CHECK);
> +	fcw->bypass_dec = check_bit(op->ldpc_dec.op_flags,
> +			RTE_BBDEV_LDPC_DECODE_BYPASS);
> +	fcw->bypass_intlv = check_bit(op->ldpc_dec.op_flags,
> +			RTE_BBDEV_LDPC_DEINTERLEAVER_BYPASS);
> +	if (op->ldpc_dec.q_m == 1) {
> +		fcw->bypass_intlv = 1;
> +		fcw->qm = 2;
> +	}
similar magic.
> +	fcw->hcin_decomp_mode = check_bit(op->ldpc_dec.op_flags,
> +			RTE_BBDEV_LDPC_HARQ_6BIT_COMPRESSION);
> +	fcw->hcout_comp_mode = check_bit(op->ldpc_dec.op_flags,
> +			RTE_BBDEV_LDPC_HARQ_6BIT_COMPRESSION);
> +	fcw->llr_pack_mode = check_bit(op->ldpc_dec.op_flags,
> +			RTE_BBDEV_LDPC_LLR_COMPRESSION);
> +	harq_index = op->ldpc_dec.harq_combined_output.offset /
> +			ACC100_HARQ_OFFSET;
> +#ifdef ACC100_EXT_MEM
> +	/* Limit cases when HARQ pruning is valid */
> +	harq_prun = ((op->ldpc_dec.harq_combined_output.offset %
> +			ACC100_HARQ_OFFSET) == 0) &&
> +			(op->ldpc_dec.harq_combined_output.offset <= UINT16_MAX
> +			* ACC100_HARQ_OFFSET);
> +#endif
> +	if (fcw->hcin_en > 0) {
> +		harq_in_length = op->ldpc_dec.harq_combined_input.length;
> +		if (fcw->hcin_decomp_mode > 0)
> +			harq_in_length = harq_in_length * 8 / 6;
> +		harq_in_length = RTE_ALIGN(harq_in_length, 64);
> +		if ((harq_layout[harq_index].offset > 0) & harq_prun) {
> +			rte_bbdev_log_debug("HARQ IN offset unexpected for now\n");
> +			fcw->hcin_size0 = harq_layout[harq_index].size0;
> +			fcw->hcin_offset = harq_layout[harq_index].offset;
> +			fcw->hcin_size1 = harq_in_length -
> +					harq_layout[harq_index].offset;
> +		} else {
> +			fcw->hcin_size0 = harq_in_length;
> +			fcw->hcin_offset = 0;
> +			fcw->hcin_size1 = 0;
> +		}
> +	} else {
> +		fcw->hcin_size0 = 0;
> +		fcw->hcin_offset = 0;
> +		fcw->hcin_size1 = 0;
> +	}
> +
> +	fcw->itmax = op->ldpc_dec.iter_max;
> +	fcw->itstop = check_bit(op->ldpc_dec.op_flags,
> +			RTE_BBDEV_LDPC_ITERATION_STOP_ENABLE);
> +	fcw->synd_precoder = fcw->itstop;
> +	/*
> +	 * These are all implicitly set
> +	 * fcw->synd_post = 0;
> +	 * fcw->so_en = 0;
> +	 * fcw->so_bypass_rm = 0;
> +	 * fcw->so_bypass_intlv = 0;
> +	 * fcw->dec_convllr = 0;
> +	 * fcw->hcout_convllr = 0;
> +	 * fcw->hcout_size1 = 0;
> +	 * fcw->so_it = 0;
> +	 * fcw->hcout_offset = 0;
> +	 * fcw->negstop_th = 0;
> +	 * fcw->negstop_it = 0;
> +	 * fcw->negstop_en = 0;
> +	 * fcw->gain_i = 1;
> +	 * fcw->gain_h = 1;
> +	 */
> +	if (fcw->hcout_en > 0) {
> +		parity_offset = (op->ldpc_dec.basegraph == 1 ? 20 : 8)
> +			* op->ldpc_dec.z_c - op->ldpc_dec.n_filler;
> +		k0_p = (fcw->k0 > parity_offset) ?
> +				fcw->k0 - op->ldpc_dec.n_filler : fcw->k0;
> +		ncb_p = fcw->ncb - op->ldpc_dec.n_filler;
> +		l = k0_p + fcw->rm_e;
> +		harq_out_length = (uint16_t) fcw->hcin_size0;
> +		harq_out_length = RTE_MIN(RTE_MAX(harq_out_length, l), ncb_p);
> +		harq_out_length = (harq_out_length + 0x3F) & 0xFFC0;
> +		if ((k0_p > fcw->hcin_size0 + ACC100_HARQ_OFFSET_THRESHOLD) &&
> +				harq_prun) {
> +			fcw->hcout_size0 = (uint16_t) fcw->hcin_size0;
> +			fcw->hcout_offset = k0_p & 0xFFC0;
> +			fcw->hcout_size1 = harq_out_length - fcw->hcout_offset;
> +		} else {
> +			fcw->hcout_size0 = harq_out_length;
> +			fcw->hcout_size1 = 0;
> +			fcw->hcout_offset = 0;
> +		}
> +		harq_layout[harq_index].offset = fcw->hcout_offset;
> +		harq_layout[harq_index].size0 = fcw->hcout_size0;
> +	} else {
> +		fcw->hcout_size0 = 0;
> +		fcw->hcout_size1 = 0;
> +		fcw->hcout_offset = 0;
> +	}
> +}
> +
> +/**
> + * Fills descriptor with data pointers of one block type.
> + *
> + * @param desc
> + *   Pointer to DMA descriptor.
> + * @param input
> + *   Pointer to pointer to input data which will be encoded. It can be changed
> + *   and points to next segment in scatter-gather case.
> + * @param offset
> + *   Input offset in rte_mbuf structure. It is used for calculating the point
> + *   where data is starting.
> + * @param cb_len
> + *   Length of currently processed Code Block
> + * @param seg_total_left
> + *   It indicates how many bytes still left in segment (mbuf) for further
> + *   processing.
> + * @param op_flags
> + *   Store information about device capabilities
> + * @param next_triplet
> + *   Index for ACC100 DMA Descriptor triplet
> + *
> + * @return
> + *   Returns index of next triplet on success, other value if lengths of
> + *   pkt and processed cb do not match.
> + *
> + */
> +static inline int
> +acc100_dma_fill_blk_type_in(struct acc100_dma_req_desc *desc,
> +		struct rte_mbuf **input, uint32_t *offset, uint32_t cb_len,
> +		uint32_t *seg_total_left, int next_triplet)
> +{
> +	uint32_t part_len;
> +	struct rte_mbuf *m = *input;
> +
> +	part_len = (*seg_total_left < cb_len) ? *seg_total_left : cb_len;
> +	cb_len -= part_len;
> +	*seg_total_left -= part_len;
> +
> +	desc->data_ptrs[next_triplet].address =
> +			rte_pktmbuf_iova_offset(m, *offset);
> +	desc->data_ptrs[next_triplet].blen = part_len;
> +	desc->data_ptrs[next_triplet].blkid = ACC100_DMA_BLKID_IN;
> +	desc->data_ptrs[next_triplet].last = 0;
> +	desc->data_ptrs[next_triplet].dma_ext = 0;
> +	*offset += part_len;
> +	next_triplet++;
> +
> +	while (cb_len > 0) {

Since cb_len is unsigned, a better check would be

while (cb_len != 0)

> +		if (next_triplet < ACC100_DMA_MAX_NUM_POINTERS &&
> +				m->next != NULL) {
> +
> +			m = m->next;
> +			*seg_total_left = rte_pktmbuf_data_len(m);
> +			part_len = (*seg_total_left < cb_len) ?
> +					*seg_total_left :
> +					cb_len;
> +			desc->data_ptrs[next_triplet].address =
> +					rte_pktmbuf_iova_offset(m, 0);
> +			desc->data_ptrs[next_triplet].blen = part_len;
> +			desc->data_ptrs[next_triplet].blkid =
> +					ACC100_DMA_BLKID_IN;
> +			desc->data_ptrs[next_triplet].last = 0;
> +			desc->data_ptrs[next_triplet].dma_ext = 0;
> +			cb_len -= part_len;
> +			*seg_total_left -= part_len;

when *sec_total_left goes to zero here, there will be a lot of iterations doing nothing.

should stop early.

> +			/* Initializing offset for next segment (mbuf) */
> +			*offset = part_len;
> +			next_triplet++;
> +		} else {
> +			rte_bbdev_log(ERR,
> +				"Some data still left for processing: "
> +				"data_left: %u, next_triplet: %u, next_mbuf: %p",
> +				cb_len, next_triplet, m->next);
> +			return -EINVAL;
> +		}
> +	}
> +	/* Storing new mbuf as it could be changed in scatter-gather case*/
> +	*input = m;
> +
> +	return next_triplet;

callers, after checking, dec the return.

Maybe change return to next_triplet-- and save the callers from doing it.

> +}
> +
> +/* Fills descriptor with data pointers of one block type.
> + * Returns index of next triplet on success, other value if lengths of
> + * output data and processed mbuf do not match.
> + */
> +static inline int
> +acc100_dma_fill_blk_type_out(struct acc100_dma_req_desc *desc,
> +		struct rte_mbuf *output, uint32_t out_offset,
> +		uint32_t output_len, int next_triplet, int blk_id)
> +{
> +	desc->data_ptrs[next_triplet].address =
> +			rte_pktmbuf_iova_offset(output, out_offset);
> +	desc->data_ptrs[next_triplet].blen = output_len;
> +	desc->data_ptrs[next_triplet].blkid = blk_id;
> +	desc->data_ptrs[next_triplet].last = 0;
> +	desc->data_ptrs[next_triplet].dma_ext = 0;
> +	next_triplet++;

Callers check return is < 0, like above but there is no similar logic to

check the bounds of next_triplet to return -EINVAL

so add this check here or remove the is < 0 checks by the callers.

> +
> +	return next_triplet;
> +}
> +
> +static inline int
> +acc100_dma_desc_le_fill(struct rte_bbdev_enc_op *op,
> +		struct acc100_dma_req_desc *desc, struct rte_mbuf **input,
> +		struct rte_mbuf *output, uint32_t *in_offset,
> +		uint32_t *out_offset, uint32_t *out_length,
> +		uint32_t *mbuf_total_left, uint32_t *seg_total_left)
> +{
> +	int next_triplet = 1; /* FCW already done */
> +	uint16_t K, in_length_in_bits, in_length_in_bytes;
> +	struct rte_bbdev_op_ldpc_enc *enc = &op->ldpc_enc;
> +
> +	desc->word0 = ACC100_DMA_DESC_TYPE;
> +	desc->word1 = 0; /**< Timestamp could be disabled */
> +	desc->word2 = 0;
> +	desc->word3 = 0;
> +	desc->numCBs = 1;
> +
> +	K = (enc->basegraph == 1 ? 22 : 10) * enc->z_c;
> +	in_length_in_bits = K - enc->n_filler;
can this overflow ? enc->n_filler > K ?
> +	if ((enc->op_flags & RTE_BBDEV_LDPC_CRC_24A_ATTACH) ||
> +			(enc->op_flags & RTE_BBDEV_LDPC_CRC_24B_ATTACH))
> +		in_length_in_bits -= 24;
> +	in_length_in_bytes = in_length_in_bits >> 3;
> +
> +	if (unlikely((*mbuf_total_left == 0) ||
This check is covered by the next and can be removed.
> +			(*mbuf_total_left < in_length_in_bytes))) {
> +		rte_bbdev_log(ERR,
> +				"Mismatch between mbuf length and included CB sizes: mbuf len %u, cb len %u",
> +				*mbuf_total_left, in_length_in_bytes);
> +		return -1;
> +	}
> +
> +	next_triplet = acc100_dma_fill_blk_type_in(desc, input, in_offset,
> +			in_length_in_bytes,
> +			seg_total_left, next_triplet);
> +	if (unlikely(next_triplet < 0)) {
> +		rte_bbdev_log(ERR,
> +				"Mismatch between data to process and mbuf data length in bbdev_op: %p",
> +				op);
> +		return -1;
> +	}
> +	desc->data_ptrs[next_triplet - 1].last = 1;
> +	desc->m2dlen = next_triplet;
> +	*mbuf_total_left -= in_length_in_bytes;

Updating output pointers should be deferred until the the call is known to be successful.

Otherwise caller is left in a bad, unknown state.

> +
> +	/* Set output length */
> +	/* Integer round up division by 8 */
> +	*out_length = (enc->cb_params.e + 7) >> 3;
> +
> +	next_triplet = acc100_dma_fill_blk_type_out(desc, output, *out_offset,
> +			*out_length, next_triplet, ACC100_DMA_BLKID_OUT_ENC);
> +	if (unlikely(next_triplet < 0)) {
> +		rte_bbdev_log(ERR,
> +				"Mismatch between data to process and mbuf data length in bbdev_op: %p",
> +				op);
> +		return -1;
> +	}
> +	op->ldpc_enc.output.length += *out_length;
> +	*out_offset += *out_length;
> +	desc->data_ptrs[next_triplet - 1].last = 1;
> +	desc->data_ptrs[next_triplet - 1].dma_ext = 0;
> +	desc->d2mlen = next_triplet - desc->m2dlen;
> +
> +	desc->op_addr = op;
> +
> +	return 0;
> +}
> +
> +static inline int
> +acc100_dma_desc_ld_fill(struct rte_bbdev_dec_op *op,
> +		struct acc100_dma_req_desc *desc,
> +		struct rte_mbuf **input, struct rte_mbuf *h_output,
> +		uint32_t *in_offset, uint32_t *h_out_offset,
> +		uint32_t *h_out_length, uint32_t *mbuf_total_left,
> +		uint32_t *seg_total_left,
> +		struct acc100_fcw_ld *fcw)
> +{
> +	struct rte_bbdev_op_ldpc_dec *dec = &op->ldpc_dec;
> +	int next_triplet = 1; /* FCW already done */
> +	uint32_t input_length;
> +	uint16_t output_length, crc24_overlap = 0;
> +	uint16_t sys_cols, K, h_p_size, h_np_size;
> +	bool h_comp = check_bit(dec->op_flags,
> +			RTE_BBDEV_LDPC_HARQ_6BIT_COMPRESSION);
> +
> +	desc->word0 = ACC100_DMA_DESC_TYPE;
> +	desc->word1 = 0; /**< Timestamp could be disabled */
> +	desc->word2 = 0;
> +	desc->word3 = 0;
> +	desc->numCBs = 1;
This seems to be a common setup logic, maybe use a macro or inline function.
> +
> +	if (check_bit(op->ldpc_dec.op_flags,
> +			RTE_BBDEV_LDPC_CRC_TYPE_24B_DROP))
> +		crc24_overlap = 24;
> +
> +	/* Compute some LDPC BG lengths */
> +	input_length = dec->cb_params.e;
> +	if (check_bit(op->ldpc_dec.op_flags,
> +			RTE_BBDEV_LDPC_LLR_COMPRESSION))
> +		input_length = (input_length * 3 + 3) / 4;
> +	sys_cols = (dec->basegraph == 1) ? 22 : 10;
> +	K = sys_cols * dec->z_c;
> +	output_length = K - dec->n_filler - crc24_overlap;
> +
> +	if (unlikely((*mbuf_total_left == 0) ||
similar to above, this check can be removed.
> +			(*mbuf_total_left < input_length))) {
> +		rte_bbdev_log(ERR,
> +				"Mismatch between mbuf length and included CB sizes: mbuf len %u, cb len %u",
> +				*mbuf_total_left, input_length);
> +		return -1;
> +	}
> +
> +	next_triplet = acc100_dma_fill_blk_type_in(desc, input,
> +			in_offset, input_length,
> +			seg_total_left, next_triplet);
> +
> +	if (unlikely(next_triplet < 0)) {
> +		rte_bbdev_log(ERR,
> +				"Mismatch between data to process and mbuf data length in bbdev_op: %p",
> +				op);
> +		return -1;
> +	}
> +
> +	if (check_bit(op->ldpc_dec.op_flags,
> +				RTE_BBDEV_LDPC_HQ_COMBINE_IN_ENABLE)) {
> +		h_p_size = fcw->hcin_size0 + fcw->hcin_size1;
> +		if (h_comp)
> +			h_p_size = (h_p_size * 3 + 3) / 4;
> +		desc->data_ptrs[next_triplet].address =
> +				dec->harq_combined_input.offset;
> +		desc->data_ptrs[next_triplet].blen = h_p_size;
> +		desc->data_ptrs[next_triplet].blkid = ACC100_DMA_BLKID_IN_HARQ;
> +		desc->data_ptrs[next_triplet].dma_ext = 1;
> +#ifndef ACC100_EXT_MEM
> +		acc100_dma_fill_blk_type_out(
> +				desc,
> +				op->ldpc_dec.harq_combined_input.data,
> +				op->ldpc_dec.harq_combined_input.offset,
> +				h_p_size,
> +				next_triplet,
> +				ACC100_DMA_BLKID_IN_HARQ);
> +#endif
> +		next_triplet++;
> +	}
> +
> +	desc->data_ptrs[next_triplet - 1].last = 1;
> +	desc->m2dlen = next_triplet;
> +	*mbuf_total_left -= input_length;
> +
> +	next_triplet = acc100_dma_fill_blk_type_out(desc, h_output,
> +			*h_out_offset, output_length >> 3, next_triplet,
> +			ACC100_DMA_BLKID_OUT_HARD);
> +	if (unlikely(next_triplet < 0)) {
> +		rte_bbdev_log(ERR,
> +				"Mismatch between data to process and mbuf data length in bbdev_op: %p",
> +				op);
> +		return -1;
> +	}
> +
> +	if (check_bit(op->ldpc_dec.op_flags,
> +				RTE_BBDEV_LDPC_HQ_COMBINE_OUT_ENABLE)) {
> +		/* Pruned size of the HARQ */
> +		h_p_size = fcw->hcout_size0 + fcw->hcout_size1;
> +		/* Non-Pruned size of the HARQ */
> +		h_np_size = fcw->hcout_offset > 0 ?
> +				fcw->hcout_offset + fcw->hcout_size1 :
> +				h_p_size;
> +		if (h_comp) {
> +			h_np_size = (h_np_size * 3 + 3) / 4;
> +			h_p_size = (h_p_size * 3 + 3) / 4;

* 4 -1 ) / 4

may produce better assembly.

> +		}
> +		dec->harq_combined_output.length = h_np_size;
> +		desc->data_ptrs[next_triplet].address =
> +				dec->harq_combined_output.offset;
> +		desc->data_ptrs[next_triplet].blen = h_p_size;
> +		desc->data_ptrs[next_triplet].blkid = ACC100_DMA_BLKID_OUT_HARQ;
> +		desc->data_ptrs[next_triplet].dma_ext = 1;
> +#ifndef ACC100_EXT_MEM
> +		acc100_dma_fill_blk_type_out(
> +				desc,
> +				dec->harq_combined_output.data,
> +				dec->harq_combined_output.offset,
> +				h_p_size,
> +				next_triplet,
> +				ACC100_DMA_BLKID_OUT_HARQ);
> +#endif
> +		next_triplet++;
> +	}
> +
> +	*h_out_length = output_length >> 3;
> +	dec->hard_output.length += *h_out_length;
> +	*h_out_offset += *h_out_length;
> +	desc->data_ptrs[next_triplet - 1].last = 1;
> +	desc->d2mlen = next_triplet - desc->m2dlen;
> +
> +	desc->op_addr = op;
> +
> +	return 0;
> +}
> +
> +static inline void
> +acc100_dma_desc_ld_update(struct rte_bbdev_dec_op *op,
> +		struct acc100_dma_req_desc *desc,
> +		struct rte_mbuf *input, struct rte_mbuf *h_output,
> +		uint32_t *in_offset, uint32_t *h_out_offset,
> +		uint32_t *h_out_length,
> +		union acc100_harq_layout_data *harq_layout)
> +{
> +	int next_triplet = 1; /* FCW already done */
> +	desc->data_ptrs[next_triplet].address =
> +			rte_pktmbuf_iova_offset(input, *in_offset);
> +	next_triplet++;

No overflow checks on next_triplet

This is a general problem.

> +
> +	if (check_bit(op->ldpc_dec.op_flags,
> +				RTE_BBDEV_LDPC_HQ_COMBINE_IN_ENABLE)) {
> +		struct rte_bbdev_op_data hi = op->ldpc_dec.harq_combined_input;
> +		desc->data_ptrs[next_triplet].address = hi.offset;
> +#ifndef ACC100_EXT_MEM
> +		desc->data_ptrs[next_triplet].address =
> +				rte_pktmbuf_iova_offset(hi.data, hi.offset);
> +#endif
> +		next_triplet++;
> +	}
> +
> +	desc->data_ptrs[next_triplet].address =
> +			rte_pktmbuf_iova_offset(h_output, *h_out_offset);
> +	*h_out_length = desc->data_ptrs[next_triplet].blen;
> +	next_triplet++;
> +
> +	if (check_bit(op->ldpc_dec.op_flags,
> +				RTE_BBDEV_LDPC_HQ_COMBINE_OUT_ENABLE)) {
> +		desc->data_ptrs[next_triplet].address =
> +				op->ldpc_dec.harq_combined_output.offset;
> +		/* Adjust based on previous operation */
> +		struct rte_bbdev_dec_op *prev_op = desc->op_addr;
> +		op->ldpc_dec.harq_combined_output.length =
> +				prev_op->ldpc_dec.harq_combined_output.length;
> +		int16_t hq_idx = op->ldpc_dec.harq_combined_output.offset /
> +				ACC100_HARQ_OFFSET;
> +		int16_t prev_hq_idx =
> +				prev_op->ldpc_dec.harq_combined_output.offset
> +				/ ACC100_HARQ_OFFSET;
> +		harq_layout[hq_idx].val = harq_layout[prev_hq_idx].val;
> +#ifndef ACC100_EXT_MEM
> +		struct rte_bbdev_op_data ho =
> +				op->ldpc_dec.harq_combined_output;
> +		desc->data_ptrs[next_triplet].address =
> +				rte_pktmbuf_iova_offset(ho.data, ho.offset);
> +#endif
> +		next_triplet++;
> +	}
> +
> +	op->ldpc_dec.hard_output.length += *h_out_length;
> +	desc->op_addr = op;
> +}
> +
> +
> +/* Enqueue a number of operations to HW and update software rings */
> +static inline void
> +acc100_dma_enqueue(struct acc100_queue *q, uint16_t n,
> +		struct rte_bbdev_stats *queue_stats)
> +{
> +	union acc100_enqueue_reg_fmt enq_req;
> +#ifdef RTE_BBDEV_OFFLOAD_COST
> +	uint64_t start_time = 0;
> +	queue_stats->acc_offload_cycles = 0;
> +	RTE_SET_USED(queue_stats);
> +#else
> +	RTE_SET_USED(queue_stats);
> +#endif

RTE_SET_UNUSED(... is common in the #ifdef/#else

so it should be moved out.

> +
> +	enq_req.val = 0;
> +	/* Setting offset, 100b for 256 DMA Desc */
> +	enq_req.addr_offset = ACC100_DESC_OFFSET;
> +
should n != 0 be checked here ?
> +	/* Split ops into batches */
> +	do {
> +		union acc100_dma_desc *desc;
> +		uint16_t enq_batch_size;
> +		uint64_t offset;
> +		rte_iova_t req_elem_addr;
> +
> +		enq_batch_size = RTE_MIN(n, MAX_ENQ_BATCH_SIZE);
> +
> +		/* Set flag on last descriptor in a batch */
> +		desc = q->ring_addr + ((q->sw_ring_head + enq_batch_size - 1) &
> +				q->sw_ring_wrap_mask);
> +		desc->req.last_desc_in_batch = 1;
> +
> +		/* Calculate the 1st descriptor's address */
> +		offset = ((q->sw_ring_head & q->sw_ring_wrap_mask) *
> +				sizeof(union acc100_dma_desc));
> +		req_elem_addr = q->ring_addr_phys + offset;
> +
> +		/* Fill enqueue struct */
> +		enq_req.num_elem = enq_batch_size;
> +		/* low 6 bits are not needed */
> +		enq_req.req_elem_addr = (uint32_t)(req_elem_addr >> 6);
> +
> +#ifdef RTE_LIBRTE_BBDEV_DEBUG
> +		rte_memdump(stderr, "Req sdone", desc, sizeof(*desc));
> +#endif
> +		rte_bbdev_log_debug(
> +				"Enqueue %u reqs (phys %#"PRIx64") to reg %p",
> +				enq_batch_size,
> +				req_elem_addr,
> +				(void *)q->mmio_reg_enqueue);
> +
> +		rte_wmb();
> +
> +#ifdef RTE_BBDEV_OFFLOAD_COST
> +		/* Start time measurement for enqueue function offload. */
> +		start_time = rte_rdtsc_precise();
> +#endif
> +		rte_bbdev_log(DEBUG, "Debug : MMIO Enqueue");

logging time will be tracked with the mmio_write

so logging should be moved above the start_time setting

> +		mmio_write(q->mmio_reg_enqueue, enq_req.val);
> +
> +#ifdef RTE_BBDEV_OFFLOAD_COST
> +		queue_stats->acc_offload_cycles +=
> +				rte_rdtsc_precise() - start_time;
> +#endif
> +
> +		q->aq_enqueued++;
> +		q->sw_ring_head += enq_batch_size;
> +		n -= enq_batch_size;
> +
> +	} while (n);
> +
> +
> +}
> +
> +/* Enqueue one encode operations for ACC100 device in CB mode */
> +static inline int
> +enqueue_ldpc_enc_n_op_cb(struct acc100_queue *q, struct rte_bbdev_enc_op **ops,
> +		uint16_t total_enqueued_cbs, int16_t num)
> +{
> +	union acc100_dma_desc *desc = NULL;
> +	uint32_t out_length;
> +	struct rte_mbuf *output_head, *output;
> +	int i, next_triplet;
> +	uint16_t  in_length_in_bytes;
> +	struct rte_bbdev_op_ldpc_enc *enc = &ops[0]->ldpc_enc;
> +
> +	uint16_t desc_idx = ((q->sw_ring_head + total_enqueued_cbs)
> +			& q->sw_ring_wrap_mask);
> +	desc = q->ring_addr + desc_idx;
> +	acc100_fcw_le_fill(ops[0], &desc->req.fcw_le, num);
> +
> +	/** This could be done at polling */
> +	desc->req.word0 = ACC100_DMA_DESC_TYPE;
> +	desc->req.word1 = 0; /**< Timestamp could be disabled */
> +	desc->req.word2 = 0;
> +	desc->req.word3 = 0;
> +	desc->req.numCBs = num;
> +
> +	in_length_in_bytes = ops[0]->ldpc_enc.input.data->data_len;
> +	out_length = (enc->cb_params.e + 7) >> 3;
> +	desc->req.m2dlen = 1 + num;
> +	desc->req.d2mlen = num;
> +	next_triplet = 1;
> +
> +	for (i = 0; i < num; i++) {
i is not needed here, it is next_triplet - 1
> +		desc->req.data_ptrs[next_triplet].address =
> +			rte_pktmbuf_iova_offset(ops[i]->ldpc_enc.input.data, 0);
> +		desc->req.data_ptrs[next_triplet].blen = in_length_in_bytes;
> +		next_triplet++;
> +		desc->req.data_ptrs[next_triplet].address =
> +				rte_pktmbuf_iova_offset(
> +				ops[i]->ldpc_enc.output.data, 0);
> +		desc->req.data_ptrs[next_triplet].blen = out_length;
> +		next_triplet++;
> +		ops[i]->ldpc_enc.output.length = out_length;
> +		output_head = output = ops[i]->ldpc_enc.output.data;
> +		mbuf_append(output_head, output, out_length);
> +		output->data_len = out_length;
> +	}
> +
> +	desc->req.op_addr = ops[0];
> +
> +#ifdef RTE_LIBRTE_BBDEV_DEBUG
> +	rte_memdump(stderr, "FCW", &desc->req.fcw_le,
> +			sizeof(desc->req.fcw_le) - 8);
> +	rte_memdump(stderr, "Req Desc.", desc, sizeof(*desc));
> +#endif
> +
> +	/* One CB (one op) was successfully prepared to enqueue */
> +	return num;

caller does not use num, only check if < 0

So could change to return 0

> +}
> +
> +/* Enqueue one encode operations for ACC100 device in CB mode */
> +static inline int
> +enqueue_ldpc_enc_one_op_cb(struct acc100_queue *q, struct rte_bbdev_enc_op *op,
> +		uint16_t total_enqueued_cbs)

rte_fpga_5gnr_fec.c has this same function.  It would be good if common functions could be collected and used to stabilize the internal bbdev interface.

This is general issue

> +{
> +	union acc100_dma_desc *desc = NULL;
> +	int ret;
> +	uint32_t in_offset, out_offset, out_length, mbuf_total_left,
> +		seg_total_left;
> +	struct rte_mbuf *input, *output_head, *output;
> +
> +	uint16_t desc_idx = ((q->sw_ring_head + total_enqueued_cbs)
> +			& q->sw_ring_wrap_mask);
> +	desc = q->ring_addr + desc_idx;
> +	acc100_fcw_le_fill(op, &desc->req.fcw_le, 1);
> +
> +	input = op->ldpc_enc.input.data;
> +	output_head = output = op->ldpc_enc.output.data;
> +	in_offset = op->ldpc_enc.input.offset;
> +	out_offset = op->ldpc_enc.output.offset;
> +	out_length = 0;
> +	mbuf_total_left = op->ldpc_enc.input.length;
> +	seg_total_left = rte_pktmbuf_data_len(op->ldpc_enc.input.data)
> +			- in_offset;
> +
> +	ret = acc100_dma_desc_le_fill(op, &desc->req, &input, output,
> +			&in_offset, &out_offset, &out_length, &mbuf_total_left,
> +			&seg_total_left);
> +
> +	if (unlikely(ret < 0))
> +		return ret;
> +
> +	mbuf_append(output_head, output, out_length);
> +
> +#ifdef RTE_LIBRTE_BBDEV_DEBUG
> +	rte_memdump(stderr, "FCW", &desc->req.fcw_le,
> +			sizeof(desc->req.fcw_le) - 8);
> +	rte_memdump(stderr, "Req Desc.", desc, sizeof(*desc));
> +
> +	/* Check if any data left after processing one CB */
> +	if (mbuf_total_left != 0) {
> +		rte_bbdev_log(ERR,
> +				"Some date still left after processing one CB: mbuf_total_left = %u",
> +				mbuf_total_left);
> +		return -EINVAL;
> +	}
> +#endif
> +	/* One CB (one op) was successfully prepared to enqueue */
> +	return 1;

Another case where caller only check for < 0

Consider changes all similar to return 0 on success.

> +}
> +
> +/** Enqueue one decode operations for ACC100 device in CB mode */
> +static inline int
> +enqueue_ldpc_dec_one_op_cb(struct acc100_queue *q, struct rte_bbdev_dec_op *op,
> +		uint16_t total_enqueued_cbs, bool same_op)
> +{
> +	int ret;
> +
> +	union acc100_dma_desc *desc;
> +	uint16_t desc_idx = ((q->sw_ring_head + total_enqueued_cbs)
> +			& q->sw_ring_wrap_mask);
> +	desc = q->ring_addr + desc_idx;
> +	struct rte_mbuf *input, *h_output_head, *h_output;
> +	uint32_t in_offset, h_out_offset, mbuf_total_left, h_out_length = 0;
> +	input = op->ldpc_dec.input.data;
> +	h_output_head = h_output = op->ldpc_dec.hard_output.data;
> +	in_offset = op->ldpc_dec.input.offset;
> +	h_out_offset = op->ldpc_dec.hard_output.offset;
> +	mbuf_total_left = op->ldpc_dec.input.length;
> +#ifdef RTE_LIBRTE_BBDEV_DEBUG
> +	if (unlikely(input == NULL)) {
> +		rte_bbdev_log(ERR, "Invalid mbuf pointer");
> +		return -EFAULT;
> +	}
> +#endif
> +	union acc100_harq_layout_data *harq_layout = q->d->harq_layout;
> +
> +	if (same_op) {
> +		union acc100_dma_desc *prev_desc;
> +		desc_idx = ((q->sw_ring_head + total_enqueued_cbs - 1)
> +				& q->sw_ring_wrap_mask);
> +		prev_desc = q->ring_addr + desc_idx;
> +		uint8_t *prev_ptr = (uint8_t *) prev_desc;
> +		uint8_t *new_ptr = (uint8_t *) desc;
> +		/* Copy first 4 words and BDESCs */
> +		rte_memcpy(new_ptr, prev_ptr, 16);
> +		rte_memcpy(new_ptr + 36, prev_ptr + 36, 40);
These magic numbers should be #defines
> +		desc->req.op_addr = prev_desc->req.op_addr;
> +		/* Copy FCW */
> +		rte_memcpy(new_ptr + ACC100_DESC_FCW_OFFSET,
> +				prev_ptr + ACC100_DESC_FCW_OFFSET,
> +				ACC100_FCW_LD_BLEN);
> +		acc100_dma_desc_ld_update(op, &desc->req, input, h_output,
> +				&in_offset, &h_out_offset,
> +				&h_out_length, harq_layout);
> +	} else {
> +		struct acc100_fcw_ld *fcw;
> +		uint32_t seg_total_left;
> +		fcw = &desc->req.fcw_ld;
> +		acc100_fcw_ld_fill(op, fcw, harq_layout);
> +
> +		/* Special handling when overusing mbuf */
> +		if (fcw->rm_e < MAX_E_MBUF)
> +			seg_total_left = rte_pktmbuf_data_len(input)
> +					- in_offset;
> +		else
> +			seg_total_left = fcw->rm_e;
> +
> +		ret = acc100_dma_desc_ld_fill(op, &desc->req, &input, h_output,
> +				&in_offset, &h_out_offset,
> +				&h_out_length, &mbuf_total_left,
> +				&seg_total_left, fcw);
> +		if (unlikely(ret < 0))
> +			return ret;
> +	}
> +
> +	/* Hard output */
> +	mbuf_append(h_output_head, h_output, h_out_length);
> +#ifndef ACC100_EXT_MEM
> +	if (op->ldpc_dec.harq_combined_output.length > 0) {
> +		/* Push the HARQ output into host memory */
> +		struct rte_mbuf *hq_output_head, *hq_output;
> +		hq_output_head = op->ldpc_dec.harq_combined_output.data;
> +		hq_output = op->ldpc_dec.harq_combined_output.data;
> +		mbuf_append(hq_output_head, hq_output,
> +				op->ldpc_dec.harq_combined_output.length);
> +	}
> +#endif
> +
> +#ifdef RTE_LIBRTE_BBDEV_DEBUG
> +	rte_memdump(stderr, "FCW", &desc->req.fcw_ld,
> +			sizeof(desc->req.fcw_ld) - 8);
> +	rte_memdump(stderr, "Req Desc.", desc, sizeof(*desc));
> +#endif
> +
> +	/* One CB (one op) was successfully prepared to enqueue */
> +	return 1;
> +}
> +
> +
> +/* Enqueue one decode operations for ACC100 device in TB mode */
> +static inline int
> +enqueue_ldpc_dec_one_op_tb(struct acc100_queue *q, struct rte_bbdev_dec_op *op,
> +		uint16_t total_enqueued_cbs, uint8_t cbs_in_tb)
> +{
> +	union acc100_dma_desc *desc = NULL;
> +	int ret;
> +	uint8_t r, c;
> +	uint32_t in_offset, h_out_offset,
> +		h_out_length, mbuf_total_left, seg_total_left;
> +	struct rte_mbuf *input, *h_output_head, *h_output;
> +	uint16_t current_enqueued_cbs = 0;
> +
> +	uint16_t desc_idx = ((q->sw_ring_head + total_enqueued_cbs)
> +			& q->sw_ring_wrap_mask);
> +	desc = q->ring_addr + desc_idx;
> +	uint64_t fcw_offset = (desc_idx << 8) + ACC100_DESC_FCW_OFFSET;
> +	union acc100_harq_layout_data *harq_layout = q->d->harq_layout;
> +	acc100_fcw_ld_fill(op, &desc->req.fcw_ld, harq_layout);
> +
> +	input = op->ldpc_dec.input.data;
> +	h_output_head = h_output = op->ldpc_dec.hard_output.data;
> +	in_offset = op->ldpc_dec.input.offset;
> +	h_out_offset = op->ldpc_dec.hard_output.offset;
> +	h_out_length = 0;
> +	mbuf_total_left = op->ldpc_dec.input.length;
> +	c = op->ldpc_dec.tb_params.c;
> +	r = op->ldpc_dec.tb_params.r;
> +
> +	while (mbuf_total_left > 0 && r < c) {
> +
> +		seg_total_left = rte_pktmbuf_data_len(input) - in_offset;
> +
> +		/* Set up DMA descriptor */
> +		desc = q->ring_addr + ((q->sw_ring_head + total_enqueued_cbs)
> +				& q->sw_ring_wrap_mask);
> +		desc->req.data_ptrs[0].address = q->ring_addr_phys + fcw_offset;
> +		desc->req.data_ptrs[0].blen = ACC100_FCW_LD_BLEN;
> +		ret = acc100_dma_desc_ld_fill(op, &desc->req, &input,
> +				h_output, &in_offset, &h_out_offset,
> +				&h_out_length,
> +				&mbuf_total_left, &seg_total_left,
> +				&desc->req.fcw_ld);
> +
> +		if (unlikely(ret < 0))
> +			return ret;
> +
> +		/* Hard output */
> +		mbuf_append(h_output_head, h_output, h_out_length);
> +
> +		/* Set total number of CBs in TB */
> +		desc->req.cbs_in_tb = cbs_in_tb;
> +#ifdef RTE_LIBRTE_BBDEV_DEBUG
> +		rte_memdump(stderr, "FCW", &desc->req.fcw_td,
> +				sizeof(desc->req.fcw_td) - 8);
> +		rte_memdump(stderr, "Req Desc.", desc, sizeof(*desc));
> +#endif
> +
> +		if (seg_total_left == 0) {
> +			/* Go to the next mbuf */
> +			input = input->next;
> +			in_offset = 0;
> +			h_output = h_output->next;
> +			h_out_offset = 0;
> +		}
> +		total_enqueued_cbs++;
> +		current_enqueued_cbs++;
> +		r++;
> +	}
> +
> +	if (unlikely(desc == NULL))
How is this possible ? desc has be dereferenced already.
> +		return current_enqueued_cbs;
> +
> +#ifdef RTE_LIBRTE_BBDEV_DEBUG
> +	/* Check if any CBs left for processing */
> +	if (mbuf_total_left != 0) {
> +		rte_bbdev_log(ERR,
> +				"Some date still left for processing: mbuf_total_left = %u",
> +				mbuf_total_left);
> +		return -EINVAL;
> +	}
> +#endif
> +	/* Set SDone on last CB descriptor for TB mode */
> +	desc->req.sdone_enable = 1;
> +	desc->req.irq_enable = q->irq_enable;
> +
> +	return current_enqueued_cbs;
> +}
> +
> +
> +/* Calculates number of CBs in processed encoder TB based on 'r' and input
> + * length.
> + */
> +static inline uint8_t
> +get_num_cbs_in_tb_enc(struct rte_bbdev_op_turbo_enc *turbo_enc)
> +{
> +	uint8_t c, c_neg, r, crc24_bits = 0;
> +	uint16_t k, k_neg, k_pos;
> +	uint8_t cbs_in_tb = 0;
> +	int32_t length;
> +
> +	length = turbo_enc->input.length;
> +	r = turbo_enc->tb_params.r;
> +	c = turbo_enc->tb_params.c;
> +	c_neg = turbo_enc->tb_params.c_neg;
> +	k_neg = turbo_enc->tb_params.k_neg;
> +	k_pos = turbo_enc->tb_params.k_pos;
> +	crc24_bits = 0;
> +	if (check_bit(turbo_enc->op_flags, RTE_BBDEV_TURBO_CRC_24B_ATTACH))
> +		crc24_bits = 24;
> +	while (length > 0 && r < c) {
> +		k = (r < c_neg) ? k_neg : k_pos;
> +		length -= (k - crc24_bits) >> 3;
> +		r++;
> +		cbs_in_tb++;
> +	}
> +
> +	return cbs_in_tb;
> +}
> +
> +/* Calculates number of CBs in processed decoder TB based on 'r' and input
> + * length.
> + */
> +static inline uint16_t
> +get_num_cbs_in_tb_dec(struct rte_bbdev_op_turbo_dec *turbo_dec)
> +{
> +	uint8_t c, c_neg, r = 0;
> +	uint16_t kw, k, k_neg, k_pos, cbs_in_tb = 0;
> +	int32_t length;
> +
> +	length = turbo_dec->input.length;
> +	r = turbo_dec->tb_params.r;
> +	c = turbo_dec->tb_params.c;
> +	c_neg = turbo_dec->tb_params.c_neg;
> +	k_neg = turbo_dec->tb_params.k_neg;
> +	k_pos = turbo_dec->tb_params.k_pos;
> +	while (length > 0 && r < c) {
> +		k = (r < c_neg) ? k_neg : k_pos;
> +		kw = RTE_ALIGN_CEIL(k + 4, 32) * 3;
> +		length -= kw;
> +		r++;
> +		cbs_in_tb++;
> +	}
> +
> +	return cbs_in_tb;
> +}
> +
> +/* Calculates number of CBs in processed decoder TB based on 'r' and input
> + * length.
> + */
> +static inline uint16_t
> +get_num_cbs_in_tb_ldpc_dec(struct rte_bbdev_op_ldpc_dec *ldpc_dec)
> +{
> +	uint16_t r, cbs_in_tb = 0;
> +	int32_t length = ldpc_dec->input.length;
> +	r = ldpc_dec->tb_params.r;
> +	while (length > 0 && r < ldpc_dec->tb_params.c) {
> +		length -=  (r < ldpc_dec->tb_params.cab) ?
> +				ldpc_dec->tb_params.ea :
> +				ldpc_dec->tb_params.eb;
> +		r++;
> +		cbs_in_tb++;
> +	}
> +	return cbs_in_tb;
> +}
> +
> +/* Check we can mux encode operations with common FCW */
> +static inline bool
> +check_mux(struct rte_bbdev_enc_op **ops, uint16_t num) {
> +	uint16_t i;
> +	if (num == 1)
> +		return false;
likely should strengthen check to num <= 1
> +	for (i = 1; i < num; ++i) {
> +		/* Only mux compatible code blocks */
> +		if (memcmp((uint8_t *)(&ops[i]->ldpc_enc) + ENC_OFFSET,
> +				(uint8_t *)(&ops[0]->ldpc_enc) + ENC_OFFSET,
ops[0]->ldpc_enc should be hoisted out of loop as it is invariant.
> +				CMP_ENC_SIZE) != 0)
> +			return false;
> +	}
> +	return true;
> +}
> +
> +/** Enqueue encode operations for ACC100 device in CB mode. */
> +static inline uint16_t
> +acc100_enqueue_ldpc_enc_cb(struct rte_bbdev_queue_data *q_data,
> +		struct rte_bbdev_enc_op **ops, uint16_t num)
> +{
> +	struct acc100_queue *q = q_data->queue_private;
> +	int32_t avail = q->sw_ring_depth + q->sw_ring_tail - q->sw_ring_head;
> +	uint16_t i = 0;
> +	union acc100_dma_desc *desc;
> +	int ret, desc_idx = 0;
> +	int16_t enq, left = num;
> +
> +	while (left > 0) {
> +		if (unlikely(avail - 1 < 0))
> +			break;
> +		avail--;
> +		enq = RTE_MIN(left, MUX_5GDL_DESC);
> +		if (check_mux(&ops[i], enq)) {
> +			ret = enqueue_ldpc_enc_n_op_cb(q, &ops[i],
> +					desc_idx, enq);
> +			if (ret < 0)
> +				break;
> +			i += enq;
> +		} else {
> +			ret = enqueue_ldpc_enc_one_op_cb(q, ops[i], desc_idx);
> +			if (ret < 0)
> +				break;
failure is not handled well, what happens if this is one of serveral
> +			i++;
> +		}
> +		desc_idx++;
> +		left = num - i;
> +	}
> +
> +	if (unlikely(i == 0))
> +		return 0; /* Nothing to enqueue */
this does not look correct for all cases
> +
> +	/* Set SDone in last CB in enqueued ops for CB mode*/
> +	desc = q->ring_addr + ((q->sw_ring_head + desc_idx - 1)
> +			& q->sw_ring_wrap_mask);
> +	desc->req.sdone_enable = 1;
> +	desc->req.irq_enable = q->irq_enable;
> +
> +	acc100_dma_enqueue(q, desc_idx, &q_data->queue_stats);
> +
> +	/* Update stats */
> +	q_data->queue_stats.enqueued_count += i;
> +	q_data->queue_stats.enqueue_err_count += num - i;
> +
> +	return i;
> +}
> +
> +/* Enqueue encode operations for ACC100 device. */
> +static uint16_t
> +acc100_enqueue_ldpc_enc(struct rte_bbdev_queue_data *q_data,
> +		struct rte_bbdev_enc_op **ops, uint16_t num)
> +{
> +	if (unlikely(num == 0))
> +		return 0;
Handling num == 0 should be in acc100_enqueue_ldpc_enc_cb
> +	return acc100_enqueue_ldpc_enc_cb(q_data, ops, num);
> +}
> +
> +/* Check we can mux encode operations with common FCW */
> +static inline bool
> +cmp_ldpc_dec_op(struct rte_bbdev_dec_op **ops) {
> +	/* Only mux compatible code blocks */
> +	if (memcmp((uint8_t *)(&ops[0]->ldpc_dec) + DEC_OFFSET,
> +			(uint8_t *)(&ops[1]->ldpc_dec) +
> +			DEC_OFFSET, CMP_DEC_SIZE) != 0) {
> +		return false;
> +	} else
do not need the else, there are no other statements.
> +		return true;
> +}
> +
> +
> +/* Enqueue decode operations for ACC100 device in TB mode */
> +static uint16_t
> +acc100_enqueue_ldpc_dec_tb(struct rte_bbdev_queue_data *q_data,
> +		struct rte_bbdev_dec_op **ops, uint16_t num)
> +{
> +	struct acc100_queue *q = q_data->queue_private;
> +	int32_t avail = q->sw_ring_depth + q->sw_ring_tail - q->sw_ring_head;
> +	uint16_t i, enqueued_cbs = 0;
> +	uint8_t cbs_in_tb;
> +	int ret;
> +
> +	for (i = 0; i < num; ++i) {
> +		cbs_in_tb = get_num_cbs_in_tb_ldpc_dec(&ops[i]->ldpc_dec);
> +		/* Check if there are available space for further processing */
> +		if (unlikely(avail - cbs_in_tb < 0))
> +			break;
> +		avail -= cbs_in_tb;
> +
> +		ret = enqueue_ldpc_dec_one_op_tb(q, ops[i],
> +				enqueued_cbs, cbs_in_tb);
> +		if (ret < 0)
> +			break;
> +		enqueued_cbs += ret;
> +	}
> +
> +	acc100_dma_enqueue(q, enqueued_cbs, &q_data->queue_stats);
> +
> +	/* Update stats */
> +	q_data->queue_stats.enqueued_count += i;
> +	q_data->queue_stats.enqueue_err_count += num - i;
> +	return i;
> +}
> +
> +/* Enqueue decode operations for ACC100 device in CB mode */
> +static uint16_t
> +acc100_enqueue_ldpc_dec_cb(struct rte_bbdev_queue_data *q_data,
> +		struct rte_bbdev_dec_op **ops, uint16_t num)
> +{
> +	struct acc100_queue *q = q_data->queue_private;
> +	int32_t avail = q->sw_ring_depth + q->sw_ring_tail - q->sw_ring_head;
> +	uint16_t i;
> +	union acc100_dma_desc *desc;
> +	int ret;
> +	bool same_op = false;
> +	for (i = 0; i < num; ++i) {
> +		/* Check if there are available space for further processing */
> +		if (unlikely(avail - 1 < 0))

change to (avail < 1)

Generally.

> +			break;
> +		avail -= 1;
> +
> +		if (i > 0)
> +			same_op = cmp_ldpc_dec_op(&ops[i-1]);
> +		rte_bbdev_log(INFO, "Op %d %d %d %d %d %d %d %d %d %d %d %d\n",
> +			i, ops[i]->ldpc_dec.op_flags, ops[i]->ldpc_dec.rv_index,
> +			ops[i]->ldpc_dec.iter_max, ops[i]->ldpc_dec.iter_count,
> +			ops[i]->ldpc_dec.basegraph, ops[i]->ldpc_dec.z_c,
> +			ops[i]->ldpc_dec.n_cb, ops[i]->ldpc_dec.q_m,
> +			ops[i]->ldpc_dec.n_filler, ops[i]->ldpc_dec.cb_params.e,
> +			same_op);
> +		ret = enqueue_ldpc_dec_one_op_cb(q, ops[i], i, same_op);
> +		if (ret < 0)
> +			break;
> +	}
> +
> +	if (unlikely(i == 0))
> +		return 0; /* Nothing to enqueue */
> +
> +	/* Set SDone in last CB in enqueued ops for CB mode*/
> +	desc = q->ring_addr + ((q->sw_ring_head + i - 1)
> +			& q->sw_ring_wrap_mask);
> +
> +	desc->req.sdone_enable = 1;
> +	desc->req.irq_enable = q->irq_enable;
> +
> +	acc100_dma_enqueue(q, i, &q_data->queue_stats);
> +
> +	/* Update stats */
> +	q_data->queue_stats.enqueued_count += i;
> +	q_data->queue_stats.enqueue_err_count += num - i;
> +	return i;
> +}
> +
> +/* Enqueue decode operations for ACC100 device. */
> +static uint16_t
> +acc100_enqueue_ldpc_dec(struct rte_bbdev_queue_data *q_data,
> +		struct rte_bbdev_dec_op **ops, uint16_t num)
> +{
> +	struct acc100_queue *q = q_data->queue_private;
> +	int32_t aq_avail = q->aq_depth +
> +			(q->aq_dequeued - q->aq_enqueued) / 128;
> +
> +	if (unlikely((aq_avail == 0) || (num == 0)))
> +		return 0;
> +
> +	if (ops[0]->ldpc_dec.code_block_mode == 0)
> +		return acc100_enqueue_ldpc_dec_tb(q_data, ops, num);
> +	else
> +		return acc100_enqueue_ldpc_dec_cb(q_data, ops, num);
> +}
> +
> +
> +/* Dequeue one encode operations from ACC100 device in CB mode */
> +static inline int
> +dequeue_enc_one_op_cb(struct acc100_queue *q, struct rte_bbdev_enc_op **ref_op,
> +		uint16_t total_dequeued_cbs, uint32_t *aq_dequeued)
> +{
> +	union acc100_dma_desc *desc, atom_desc;
> +	union acc100_dma_rsp_desc rsp;
> +	struct rte_bbdev_enc_op *op;
> +	int i;
> +
> +	desc = q->ring_addr + ((q->sw_ring_tail + total_dequeued_cbs)
> +			& q->sw_ring_wrap_mask);
> +	atom_desc.atom_hdr = __atomic_load_n((uint64_t *)desc,
> +			__ATOMIC_RELAXED);
> +
> +	/* Check fdone bit */
> +	if (!(atom_desc.rsp.val & ACC100_FDONE))
> +		return -1;
> +
> +	rsp.val = atom_desc.rsp.val;
> +	rte_bbdev_log_debug("Resp. desc %p: %x", desc, rsp.val);
> +
> +	/* Dequeue */
> +	op = desc->req.op_addr;
> +
> +	/* Clearing status, it will be set based on response */
> +	op->status = 0;
> +
> +	op->status |= ((rsp.input_err)
> +			? (1 << RTE_BBDEV_DATA_ERROR) : 0);
can remove the = 0, if |= is changed to =
> +	op->status |= ((rsp.dma_err) ? (1 << RTE_BBDEV_DRV_ERROR) : 0);
> +	op->status |= ((rsp.fcw_err) ? (1 << RTE_BBDEV_DRV_ERROR) : 0);
> +
> +	if (desc->req.last_desc_in_batch) {
> +		(*aq_dequeued)++;
> +		desc->req.last_desc_in_batch = 0;
> +	}
> +	desc->rsp.val = ACC100_DMA_DESC_TYPE;
> +	desc->rsp.add_info_0 = 0; /*Reserved bits */
> +	desc->rsp.add_info_1 = 0; /*Reserved bits */
> +
> +	/* Flag that the muxing cause loss of opaque data */
> +	op->opaque_data = (void *)-1;
as a ptr, shouldn't opaque_data be poisoned with '0' ?
> +	for (i = 0 ; i < desc->req.numCBs; i++)
> +		ref_op[i] = op;
> +
> +	/* One CB (op) was successfully dequeued */
> +	return desc->req.numCBs;
> +}
> +
> +/* Dequeue one encode operations from ACC100 device in TB mode */
> +static inline int
> +dequeue_enc_one_op_tb(struct acc100_queue *q, struct rte_bbdev_enc_op **ref_op,
> +		uint16_t total_dequeued_cbs, uint32_t *aq_dequeued)
> +{
> +	union acc100_dma_desc *desc, *last_desc, atom_desc;
> +	union acc100_dma_rsp_desc rsp;
> +	struct rte_bbdev_enc_op *op;
> +	uint8_t i = 0;
> +	uint16_t current_dequeued_cbs = 0, cbs_in_tb;
> +
> +	desc = q->ring_addr + ((q->sw_ring_tail + total_dequeued_cbs)
> +			& q->sw_ring_wrap_mask);
> +	atom_desc.atom_hdr = __atomic_load_n((uint64_t *)desc,
> +			__ATOMIC_RELAXED);
> +
> +	/* Check fdone bit */
> +	if (!(atom_desc.rsp.val & ACC100_FDONE))
> +		return -1;
> +
> +	/* Get number of CBs in dequeued TB */
> +	cbs_in_tb = desc->req.cbs_in_tb;
> +	/* Get last CB */
> +	last_desc = q->ring_addr + ((q->sw_ring_tail
> +			+ total_dequeued_cbs + cbs_in_tb - 1)
> +			& q->sw_ring_wrap_mask);
> +	/* Check if last CB in TB is ready to dequeue (and thus
> +	 * the whole TB) - checking sdone bit. If not return.
> +	 */
> +	atom_desc.atom_hdr = __atomic_load_n((uint64_t *)last_desc,
> +			__ATOMIC_RELAXED);
> +	if (!(atom_desc.rsp.val & ACC100_SDONE))
> +		return -1;
> +
> +	/* Dequeue */
> +	op = desc->req.op_addr;
> +
> +	/* Clearing status, it will be set based on response */
> +	op->status = 0;
> +
> +	while (i < cbs_in_tb) {
> +		desc = q->ring_addr + ((q->sw_ring_tail
> +				+ total_dequeued_cbs)
> +				& q->sw_ring_wrap_mask);
> +		atom_desc.atom_hdr = __atomic_load_n((uint64_t *)desc,
> +				__ATOMIC_RELAXED);
> +		rsp.val = atom_desc.rsp.val;
> +		rte_bbdev_log_debug("Resp. desc %p: %x", desc,
> +				rsp.val);
> +
> +		op->status |= ((rsp.input_err)
> +				? (1 << RTE_BBDEV_DATA_ERROR) : 0);
> +		op->status |= ((rsp.dma_err) ? (1 << RTE_BBDEV_DRV_ERROR) : 0);
> +		op->status |= ((rsp.fcw_err) ? (1 << RTE_BBDEV_DRV_ERROR) : 0);
> +
> +		if (desc->req.last_desc_in_batch) {
> +			(*aq_dequeued)++;
> +			desc->req.last_desc_in_batch = 0;
> +		}
> +		desc->rsp.val = ACC100_DMA_DESC_TYPE;
> +		desc->rsp.add_info_0 = 0;
> +		desc->rsp.add_info_1 = 0;
> +		total_dequeued_cbs++;
> +		current_dequeued_cbs++;
> +		i++;
> +	}
> +
> +	*ref_op = op;
> +
> +	return current_dequeued_cbs;
> +}
> +
> +/* Dequeue one decode operation from ACC100 device in CB mode */
> +static inline int
> +dequeue_dec_one_op_cb(struct rte_bbdev_queue_data *q_data,
> +		struct acc100_queue *q, struct rte_bbdev_dec_op **ref_op,
> +		uint16_t dequeued_cbs, uint32_t *aq_dequeued)
> +{
> +	union acc100_dma_desc *desc, atom_desc;
> +	union acc100_dma_rsp_desc rsp;
> +	struct rte_bbdev_dec_op *op;
> +
> +	desc = q->ring_addr + ((q->sw_ring_tail + dequeued_cbs)
> +			& q->sw_ring_wrap_mask);
> +	atom_desc.atom_hdr = __atomic_load_n((uint64_t *)desc,
> +			__ATOMIC_RELAXED);
> +
> +	/* Check fdone bit */
> +	if (!(atom_desc.rsp.val & ACC100_FDONE))
> +		return -1;
> +
> +	rsp.val = atom_desc.rsp.val;
> +	rte_bbdev_log_debug("Resp. desc %p: %x", desc, rsp.val);
> +
> +	/* Dequeue */
> +	op = desc->req.op_addr;
> +
> +	/* Clearing status, it will be set based on response */
> +	op->status = 0;
> +	op->status |= ((rsp.input_err)
> +			? (1 << RTE_BBDEV_DATA_ERROR) : 0);

similar to above, can remove the = 0

This is a general issue.

> +	op->status |= ((rsp.dma_err) ? (1 << RTE_BBDEV_DRV_ERROR) : 0);
> +	op->status |= ((rsp.fcw_err) ? (1 << RTE_BBDEV_DRV_ERROR) : 0);
> +	if (op->status != 0)
> +		q_data->queue_stats.dequeue_err_count++;
> +
> +	/* CRC invalid if error exists */
> +	if (!op->status)
> +		op->status |= rsp.crc_status << RTE_BBDEV_CRC_ERROR;
> +	op->turbo_dec.iter_count = (uint8_t) rsp.iter_cnt / 2;
> +	/* Check if this is the last desc in batch (Atomic Queue) */
> +	if (desc->req.last_desc_in_batch) {
> +		(*aq_dequeued)++;
> +		desc->req.last_desc_in_batch = 0;
> +	}
> +	desc->rsp.val = ACC100_DMA_DESC_TYPE;
> +	desc->rsp.add_info_0 = 0;
> +	desc->rsp.add_info_1 = 0;
> +	*ref_op = op;
> +
> +	/* One CB (op) was successfully dequeued */
> +	return 1;
> +}
> +
> +/* Dequeue one decode operations from ACC100 device in CB mode */
> +static inline int
> +dequeue_ldpc_dec_one_op_cb(struct rte_bbdev_queue_data *q_data,
> +		struct acc100_queue *q, struct rte_bbdev_dec_op **ref_op,
> +		uint16_t dequeued_cbs, uint32_t *aq_dequeued)
> +{
> +	union acc100_dma_desc *desc, atom_desc;
> +	union acc100_dma_rsp_desc rsp;
> +	struct rte_bbdev_dec_op *op;
> +
> +	desc = q->ring_addr + ((q->sw_ring_tail + dequeued_cbs)
> +			& q->sw_ring_wrap_mask);
> +	atom_desc.atom_hdr = __atomic_load_n((uint64_t *)desc,
> +			__ATOMIC_RELAXED);
> +
> +	/* Check fdone bit */
> +	if (!(atom_desc.rsp.val & ACC100_FDONE))
> +		return -1;
> +
> +	rsp.val = atom_desc.rsp.val;
> +
> +	/* Dequeue */
> +	op = desc->req.op_addr;
> +
> +	/* Clearing status, it will be set based on response */
> +	op->status = 0;
> +	op->status |= rsp.input_err << RTE_BBDEV_DATA_ERROR;
> +	op->status |= rsp.dma_err << RTE_BBDEV_DRV_ERROR;
> +	op->status |= rsp.fcw_err << RTE_BBDEV_DRV_ERROR;
> +	if (op->status != 0)
> +		q_data->queue_stats.dequeue_err_count++;
> +
> +	op->status |= rsp.crc_status << RTE_BBDEV_CRC_ERROR;
> +	if (op->ldpc_dec.hard_output.length > 0 && !rsp.synd_ok)
> +		op->status |= 1 << RTE_BBDEV_SYNDROME_ERROR;
> +	op->ldpc_dec.iter_count = (uint8_t) rsp.iter_cnt;
> +
> +	/* Check if this is the last desc in batch (Atomic Queue) */
> +	if (desc->req.last_desc_in_batch) {
> +		(*aq_dequeued)++;
> +		desc->req.last_desc_in_batch = 0;
> +	}
> +
> +	desc->rsp.val = ACC100_DMA_DESC_TYPE;
> +	desc->rsp.add_info_0 = 0;
> +	desc->rsp.add_info_1 = 0;
> +
> +	*ref_op = op;
> +
> +	/* One CB (op) was successfully dequeued */
> +	return 1;
> +}
> +
> +/* Dequeue one decode operations from ACC100 device in TB mode. */
> +static inline int
> +dequeue_dec_one_op_tb(struct acc100_queue *q, struct rte_bbdev_dec_op **ref_op,
> +		uint16_t dequeued_cbs, uint32_t *aq_dequeued)
> +{
similar call as fpga_lte_fec
> +	union acc100_dma_desc *desc, *last_desc, atom_desc;
> +	union acc100_dma_rsp_desc rsp;
> +	struct rte_bbdev_dec_op *op;
> +	uint8_t cbs_in_tb = 1, cb_idx = 0;
> +
> +	desc = q->ring_addr + ((q->sw_ring_tail + dequeued_cbs)
> +			& q->sw_ring_wrap_mask);
> +	atom_desc.atom_hdr = __atomic_load_n((uint64_t *)desc,
> +			__ATOMIC_RELAXED);
> +
> +	/* Check fdone bit */
> +	if (!(atom_desc.rsp.val & ACC100_FDONE))
> +		return -1;
> +
> +	/* Dequeue */
> +	op = desc->req.op_addr;
> +
> +	/* Get number of CBs in dequeued TB */
> +	cbs_in_tb = desc->req.cbs_in_tb;
> +	/* Get last CB */
> +	last_desc = q->ring_addr + ((q->sw_ring_tail
> +			+ dequeued_cbs + cbs_in_tb - 1)
> +			& q->sw_ring_wrap_mask);
> +	/* Check if last CB in TB is ready to dequeue (and thus
> +	 * the whole TB) - checking sdone bit. If not return.
> +	 */
> +	atom_desc.atom_hdr = __atomic_load_n((uint64_t *)last_desc,
> +			__ATOMIC_RELAXED);
> +	if (!(atom_desc.rsp.val & ACC100_SDONE))
> +		return -1;
> +
> +	/* Clearing status, it will be set based on response */
> +	op->status = 0;
> +
> +	/* Read remaining CBs if exists */
> +	while (cb_idx < cbs_in_tb) {
Other similar calls use 'i' , 'cb_idx' is more meaningful, consider changing the other loops.
> +		desc = q->ring_addr + ((q->sw_ring_tail + dequeued_cbs)
> +				& q->sw_ring_wrap_mask);
> +		atom_desc.atom_hdr = __atomic_load_n((uint64_t *)desc,
> +				__ATOMIC_RELAXED);
> +		rsp.val = atom_desc.rsp.val;
> +		rte_bbdev_log_debug("Resp. desc %p: %x", desc,
> +				rsp.val);
> +
> +		op->status |= ((rsp.input_err)
> +				? (1 << RTE_BBDEV_DATA_ERROR) : 0);
> +		op->status |= ((rsp.dma_err) ? (1 << RTE_BBDEV_DRV_ERROR) : 0);
> +		op->status |= ((rsp.fcw_err) ? (1 << RTE_BBDEV_DRV_ERROR) : 0);
> +
> +		/* CRC invalid if error exists */
> +		if (!op->status)
> +			op->status |= rsp.crc_status << RTE_BBDEV_CRC_ERROR;
> +		op->turbo_dec.iter_count = RTE_MAX((uint8_t) rsp.iter_cnt,
> +				op->turbo_dec.iter_count);
> +
> +		/* Check if this is the last desc in batch (Atomic Queue) */
> +		if (desc->req.last_desc_in_batch) {
> +			(*aq_dequeued)++;
> +			desc->req.last_desc_in_batch = 0;
> +		}
> +		desc->rsp.val = ACC100_DMA_DESC_TYPE;
> +		desc->rsp.add_info_0 = 0;
> +		desc->rsp.add_info_1 = 0;
> +		dequeued_cbs++;
> +		cb_idx++;
> +	}
> +
> +	*ref_op = op;
> +
> +	return cb_idx;
> +}
> +
> +/* Dequeue LDPC encode operations from ACC100 device. */
> +static uint16_t
> +acc100_dequeue_ldpc_enc(struct rte_bbdev_queue_data *q_data,
> +		struct rte_bbdev_enc_op **ops, uint16_t num)
> +{
> +	struct acc100_queue *q = q_data->queue_private;
> +	uint32_t avail = q->sw_ring_head - q->sw_ring_tail;
> +	uint32_t aq_dequeued = 0;
> +	uint16_t dequeue_num, i, dequeued_cbs = 0, dequeued_descs = 0;
> +	int ret;
> +
> +#ifdef RTE_LIBRTE_BBDEV_DEBUG
> +	if (unlikely(ops == 0 && q == NULL))
> +		return 0;
> +#endif
> +
> +	dequeue_num = (avail < num) ? avail : num;

Similar to RTE_MIN

general issue

> +
> +	for (i = 0; i < dequeue_num; i++) {
> +		ret = dequeue_enc_one_op_cb(q, &ops[dequeued_cbs],
> +				dequeued_descs, &aq_dequeued);
> +		if (ret < 0)
> +			break;
> +		dequeued_cbs += ret;
> +		dequeued_descs++;
> +		if (dequeued_cbs >= num)
> +			break;
condition should be added to the for-loop
> +	}
> +
> +	q->aq_dequeued += aq_dequeued;
> +	q->sw_ring_tail += dequeued_descs;
> +
> +	/* Update enqueue stats */
> +	q_data->queue_stats.dequeued_count += dequeued_cbs;
> +
> +	return dequeued_cbs;
> +}
> +
> +/* Dequeue decode operations from ACC100 device. */
> +static uint16_t
> +acc100_dequeue_ldpc_dec(struct rte_bbdev_queue_data *q_data,
> +		struct rte_bbdev_dec_op **ops, uint16_t num)
> +{
> +	struct acc100_queue *q = q_data->queue_private;
> +	uint16_t dequeue_num;
> +	uint32_t avail = q->sw_ring_head - q->sw_ring_tail;
> +	uint32_t aq_dequeued = 0;
> +	uint16_t i;
> +	uint16_t dequeued_cbs = 0;
> +	struct rte_bbdev_dec_op *op;
> +	int ret;
> +
> +#ifdef RTE_LIBRTE_BBDEV_DEBUG
> +	if (unlikely(ops == 0 && q == NULL))
> +		return 0;
> +#endif
> +
> +	dequeue_num = (avail < num) ? avail : num;
> +
> +	for (i = 0; i < dequeue_num; ++i) {
> +		op = (q->ring_addr + ((q->sw_ring_tail + dequeued_cbs)
> +			& q->sw_ring_wrap_mask))->req.op_addr;
> +		if (op->ldpc_dec.code_block_mode == 0)

0 should be a #define

Tom

> +			ret = dequeue_dec_one_op_tb(q, &ops[i], dequeued_cbs,
> +					&aq_dequeued);
> +		else
> +			ret = dequeue_ldpc_dec_one_op_cb(
> +					q_data, q, &ops[i], dequeued_cbs,
> +					&aq_dequeued);
> +
> +		if (ret < 0)
> +			break;
> +		dequeued_cbs += ret;
> +	}
> +
> +	q->aq_dequeued += aq_dequeued;
> +	q->sw_ring_tail += dequeued_cbs;
> +
> +	/* Update enqueue stats */
> +	q_data->queue_stats.dequeued_count += i;
> +
> +	return i;
> +}
> +
>  /* Initialization Function */
>  static void
>  acc100_bbdev_init(struct rte_bbdev *dev, struct rte_pci_driver *drv)
> @@ -703,6 +2321,10 @@
>  	struct rte_pci_device *pci_dev = RTE_DEV_TO_PCI(dev->device);
>  
>  	dev->dev_ops = &acc100_bbdev_ops;
> +	dev->enqueue_ldpc_enc_ops = acc100_enqueue_ldpc_enc;
> +	dev->enqueue_ldpc_dec_ops = acc100_enqueue_ldpc_dec;
> +	dev->dequeue_ldpc_enc_ops = acc100_dequeue_ldpc_enc;
> +	dev->dequeue_ldpc_dec_ops = acc100_dequeue_ldpc_dec;
>  
>  	((struct acc100_device *) dev->data->dev_private)->pf_device =
>  			!strcmp(drv->driver.name,
> @@ -815,4 +2437,3 @@ static int acc100_pci_remove(struct rte_pci_device *pci_dev)
>  RTE_PMD_REGISTER_PCI_TABLE(ACC100PF_DRIVER_NAME, pci_id_acc100_pf_map);
>  RTE_PMD_REGISTER_PCI(ACC100VF_DRIVER_NAME, acc100_pci_vf_driver);
>  RTE_PMD_REGISTER_PCI_TABLE(ACC100VF_DRIVER_NAME, pci_id_acc100_vf_map);
> -
> diff --git a/drivers/baseband/acc100/rte_acc100_pmd.h b/drivers/baseband/acc100/rte_acc100_pmd.h
> index 0e2b79c..78686c1 100644
> --- a/drivers/baseband/acc100/rte_acc100_pmd.h
> +++ b/drivers/baseband/acc100/rte_acc100_pmd.h
> @@ -88,6 +88,8 @@
>  #define TMPL_PRI_3      0x0f0e0d0c
>  #define QUEUE_ENABLE    0x80000000  /* Bit to mark Queue as Enabled */
>  #define WORDS_IN_ARAM_SIZE (128 * 1024 / 4)
> +#define ACC100_FDONE    0x80000000
> +#define ACC100_SDONE    0x40000000
>  
>  #define ACC100_NUM_TMPL  32
>  #define VF_OFFSET_QOS 16 /* offset in Memory Space specific to QoS Mon */
> @@ -398,6 +400,7 @@ struct __rte_packed acc100_dma_req_desc {
>  union acc100_dma_desc {
>  	struct acc100_dma_req_desc req;
>  	union acc100_dma_rsp_desc rsp;
> +	uint64_t atom_hdr;
>  };
>  
>  


  reply	other threads:[~2020-09-30 16:54 UTC|newest]

Thread overview: 213+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-19  0:25 [dpdk-dev] [PATCH v3 00/11] bbdev PMD ACC100 Nicolas Chautru
2020-08-19  0:25 ` [dpdk-dev] [PATCH v3 01/11] drivers/baseband: add PMD for ACC100 Nicolas Chautru
2020-08-29  9:44   ` Xu, Rosen
2020-09-04 16:44     ` Chautru, Nicolas
2020-08-19  0:25 ` [dpdk-dev] [PATCH v3 02/11] baseband/acc100: add register definition file Nicolas Chautru
2020-08-29  9:55   ` Xu, Rosen
2020-08-29 17:39     ` Chautru, Nicolas
2020-09-03  2:15       ` Xu, Rosen
2020-09-03  9:17         ` Ferruh Yigit
2020-08-19  0:25 ` [dpdk-dev] [PATCH v3 03/11] baseband/acc100: add info get function Nicolas Chautru
2020-08-19  0:25 ` [dpdk-dev] [PATCH v3 04/11] baseband/acc100: add queue configuration Nicolas Chautru
2020-08-29 10:39   ` Xu, Rosen
2020-08-29 17:48     ` Chautru, Nicolas
2020-09-03  2:30       ` Xu, Rosen
2020-09-03 22:48         ` Chautru, Nicolas
2020-09-04  2:01           ` Xu, Rosen
2020-08-19  0:25 ` [dpdk-dev] [PATCH v3 05/11] baseband/acc100: add LDPC processing functions Nicolas Chautru
2020-08-20 14:38   ` Dave Burley
2020-08-20 14:52     ` Chautru, Nicolas
2020-08-20 14:57       ` Dave Burley
2020-08-20 21:05         ` Chautru, Nicolas
2020-09-03  8:06           ` Dave Burley
2020-08-29 11:10   ` Xu, Rosen
2020-08-29 18:01     ` Chautru, Nicolas
2020-09-03  2:34       ` Xu, Rosen
2020-09-03  9:09         ` Ananyev, Konstantin
2020-09-03 20:45           ` Chautru, Nicolas
2020-09-15  1:45             ` Chautru, Nicolas
2020-09-15 10:21             ` Ananyev, Konstantin
2020-08-19  0:25 ` [dpdk-dev] [PATCH v3 06/11] baseband/acc100: add HARQ loopback support Nicolas Chautru
2020-08-19  0:25 ` [dpdk-dev] [PATCH v3 07/11] baseband/acc100: add support for 4G processing Nicolas Chautru
2020-08-19  0:25 ` [dpdk-dev] [PATCH v3 08/11] baseband/acc100: add interrupt support to PMD Nicolas Chautru
2020-08-19  0:25 ` [dpdk-dev] [PATCH v3 09/11] baseband/acc100: add debug function to validate input Nicolas Chautru
2020-08-19  0:25 ` [dpdk-dev] [PATCH v3 10/11] baseband/acc100: add configure function Nicolas Chautru
2020-09-03 10:06   ` Aidan Goddard
2020-09-03 18:53     ` Chautru, Nicolas
2020-08-19  0:25 ` [dpdk-dev] [PATCH v3 11/11] doc: update bbdev feature table Nicolas Chautru
2020-09-04 17:53   ` [dpdk-dev] [PATCH v4 00/11] bbdev PMD ACC100 Nicolas Chautru
2020-09-04 17:53     ` [dpdk-dev] [PATCH v4 01/11] drivers/baseband: add PMD for ACC100 Nicolas Chautru
2020-09-08  3:10       ` Liu, Tianjiao
2020-09-04 17:53     ` [dpdk-dev] [PATCH v4 02/11] baseband/acc100: add register definition file Nicolas Chautru
2020-09-15  2:31       ` Xu, Rosen
2020-09-18  2:39       ` Liu, Tianjiao
2020-09-04 17:53     ` [dpdk-dev] [PATCH v4 03/11] baseband/acc100: add info get function Nicolas Chautru
2020-09-18  2:47       ` Liu, Tianjiao
2020-09-04 17:54     ` [dpdk-dev] [PATCH v4 04/11] baseband/acc100: add queue configuration Nicolas Chautru
2020-09-15  2:31       ` Xu, Rosen
2020-09-18  3:01       ` Liu, Tianjiao
2020-09-04 17:54     ` [dpdk-dev] [PATCH v4 05/11] baseband/acc100: add LDPC processing functions Nicolas Chautru
2020-09-21  1:40       ` Liu, Tianjiao
2020-09-04 17:54     ` [dpdk-dev] [PATCH v4 06/11] baseband/acc100: add HARQ loopback support Nicolas Chautru
2020-09-21  1:41       ` Liu, Tianjiao
2020-09-04 17:54     ` [dpdk-dev] [PATCH v4 07/11] baseband/acc100: add support for 4G processing Nicolas Chautru
2020-09-21  1:43       ` Liu, Tianjiao
2020-09-04 17:54     ` [dpdk-dev] [PATCH v4 08/11] baseband/acc100: add interrupt support to PMD Nicolas Chautru
2020-09-21  1:45       ` Liu, Tianjiao
2020-09-04 17:54     ` [dpdk-dev] [PATCH v4 09/11] baseband/acc100: add debug function to validate input Nicolas Chautru
2020-09-21  1:46       ` Liu, Tianjiao
2020-09-04 17:54     ` [dpdk-dev] [PATCH v4 10/11] baseband/acc100: add configure function Nicolas Chautru
2020-09-21  1:48       ` Liu, Tianjiao
2020-09-04 17:54     ` [dpdk-dev] [PATCH v4 11/11] doc: update bbdev feature table Nicolas Chautru
2020-09-21  1:50       ` Liu, Tianjiao
2020-09-21 14:36     ` [dpdk-dev] [PATCH v4 00/11] bbdev PMD ACC100 Chautru, Nicolas
2020-09-22 19:32       ` Akhil Goyal
2020-09-23  2:21         ` Chautru, Nicolas
2020-09-23  2:12   ` [dpdk-dev] [PATCH v5 " Nicolas Chautru
2020-09-23  2:12     ` [dpdk-dev] [PATCH v5 01/11] drivers/baseband: add PMD for ACC100 Nicolas Chautru
2020-09-23  2:12     ` [dpdk-dev] [PATCH v5 02/11] baseband/acc100: add register definition file Nicolas Chautru
2020-09-23  2:12     ` [dpdk-dev] [PATCH v5 03/11] baseband/acc100: add info get function Nicolas Chautru
2020-09-23  2:12     ` [dpdk-dev] [PATCH v5 04/11] baseband/acc100: add queue configuration Nicolas Chautru
2020-09-23  2:12     ` [dpdk-dev] [PATCH v5 05/11] baseband/acc100: add LDPC processing functions Nicolas Chautru
2020-09-23  2:12     ` [dpdk-dev] [PATCH v5 06/11] baseband/acc100: add HARQ loopback support Nicolas Chautru
2020-09-23  2:12     ` [dpdk-dev] [PATCH v5 07/11] baseband/acc100: add support for 4G processing Nicolas Chautru
2020-09-23  2:12     ` [dpdk-dev] [PATCH v5 08/11] baseband/acc100: add interrupt support to PMD Nicolas Chautru
2020-09-23  2:12     ` [dpdk-dev] [PATCH v5 09/11] baseband/acc100: add debug function to validate input Nicolas Chautru
2020-09-23  2:12     ` [dpdk-dev] [PATCH v5 10/11] baseband/acc100: add configure function Nicolas Chautru
2020-09-23  2:12     ` [dpdk-dev] [PATCH v5 11/11] doc: update bbdev feature table Nicolas Chautru
2020-09-23  2:19   ` [dpdk-dev] [PATCH v6 00/11] bbdev PMD ACC100 Nicolas Chautru
2020-09-23  2:19     ` [dpdk-dev] [PATCH v6 01/11] service: retrieve lcore active state Nicolas Chautru
2020-09-23  2:19     ` [dpdk-dev] [PATCH v6 02/11] test/service: fix race condition on stopping lcore Nicolas Chautru
2020-09-23  2:19     ` [dpdk-dev] [PATCH v6 03/11] drivers/baseband: add PMD for ACC100 Nicolas Chautru
2020-09-23  2:19     ` [dpdk-dev] [PATCH v6 04/11] baseband/acc100: add register definition file Nicolas Chautru
2020-09-23  2:19     ` [dpdk-dev] [PATCH v6 05/11] baseband/acc100: add info get function Nicolas Chautru
2020-09-23  2:19     ` [dpdk-dev] [PATCH v6 06/11] baseband/acc100: add queue configuration Nicolas Chautru
2020-09-23  2:19     ` [dpdk-dev] [PATCH v6 07/11] baseband/acc100: add LDPC processing functions Nicolas Chautru
2020-09-23  2:19     ` [dpdk-dev] [PATCH v6 08/11] baseband/acc100: add HARQ loopback support Nicolas Chautru
2020-09-23  2:19     ` [dpdk-dev] [PATCH v6 09/11] baseband/acc100: add support for 4G processing Nicolas Chautru
2020-09-23  2:19     ` [dpdk-dev] [PATCH v6 10/11] baseband/acc100: add interrupt support to PMD Nicolas Chautru
2020-09-23  2:19     ` [dpdk-dev] [PATCH v6 11/11] baseband/acc100: add debug function to validate input Nicolas Chautru
2020-09-23  2:24   ` [dpdk-dev] [PATCH v7 00/11] bbdev PMD ACC100 Nicolas Chautru
2020-09-23  2:24     ` [dpdk-dev] [PATCH v7 01/11] drivers/baseband: add PMD for ACC100 Nicolas Chautru
2020-09-23  2:24     ` [dpdk-dev] [PATCH v7 02/11] baseband/acc100: add register definition file Nicolas Chautru
2020-09-23  2:24     ` [dpdk-dev] [PATCH v7 03/11] baseband/acc100: add info get function Nicolas Chautru
2020-09-23  2:24     ` [dpdk-dev] [PATCH v7 04/11] baseband/acc100: add queue configuration Nicolas Chautru
2020-09-23  2:25     ` [dpdk-dev] [PATCH v7 05/11] baseband/acc100: add LDPC processing functions Nicolas Chautru
2020-09-23  2:25     ` [dpdk-dev] [PATCH v7 06/11] baseband/acc100: add HARQ loopback support Nicolas Chautru
2020-09-23  2:25     ` [dpdk-dev] [PATCH v7 07/11] baseband/acc100: add support for 4G processing Nicolas Chautru
2020-09-23  2:25     ` [dpdk-dev] [PATCH v7 08/11] baseband/acc100: add interrupt support to PMD Nicolas Chautru
2020-09-23  2:25     ` [dpdk-dev] [PATCH v7 09/11] baseband/acc100: add debug function to validate input Nicolas Chautru
2020-09-23  2:25     ` [dpdk-dev] [PATCH v7 10/11] baseband/acc100: add configure function Nicolas Chautru
2020-09-23  2:25     ` [dpdk-dev] [PATCH v7 11/11] doc: update bbdev feature table Nicolas Chautru
2020-09-28 20:19       ` Akhil Goyal
2020-09-29  0:57         ` Chautru, Nicolas
2020-09-28 23:52   ` [dpdk-dev] [PATCH v8 00/10] bbdev PMD ACC100 Nicolas Chautru
2020-09-28 23:52     ` [dpdk-dev] [PATCH v8 01/10] drivers/baseband: add PMD for ACC100 Nicolas Chautru
2020-09-28 23:52     ` [dpdk-dev] [PATCH v8 02/10] baseband/acc100: add register definition file Nicolas Chautru
2020-09-28 23:52     ` [dpdk-dev] [PATCH v8 03/10] baseband/acc100: add info get function Nicolas Chautru
2020-09-28 23:52     ` [dpdk-dev] [PATCH v8 04/10] baseband/acc100: add queue configuration Nicolas Chautru
2020-09-28 23:52     ` [dpdk-dev] [PATCH v8 05/10] baseband/acc100: add LDPC processing functions Nicolas Chautru
2020-09-28 23:52     ` [dpdk-dev] [PATCH v8 06/10] baseband/acc100: add HARQ loopback support Nicolas Chautru
2020-09-28 23:52     ` [dpdk-dev] [PATCH v8 07/10] baseband/acc100: add support for 4G processing Nicolas Chautru
2020-09-28 23:52     ` [dpdk-dev] [PATCH v8 08/10] baseband/acc100: add interrupt support to PMD Nicolas Chautru
2020-09-28 23:52     ` [dpdk-dev] [PATCH v8 09/10] baseband/acc100: add debug function to validate input Nicolas Chautru
2020-09-28 23:52     ` [dpdk-dev] [PATCH v8 10/10] baseband/acc100: add configure function Nicolas Chautru
2020-09-29  0:29   ` [dpdk-dev] [PATCH v9 00/10] bbdev PMD ACC100 Nicolas Chautru
2020-09-29  0:29     ` [dpdk-dev] [PATCH v9 01/10] drivers/baseband: add PMD for ACC100 Nicolas Chautru
2020-09-29 19:53       ` Tom Rix
2020-09-29 23:17         ` Chautru, Nicolas
2020-09-30 23:06           ` Tom Rix
2020-09-30 23:30             ` Chautru, Nicolas
2020-09-29  0:29     ` [dpdk-dev] [PATCH v9 02/10] baseband/acc100: add register definition file Nicolas Chautru
2020-09-29 20:34       ` Tom Rix
2020-09-29 23:30         ` Chautru, Nicolas
2020-09-30 23:11           ` Tom Rix
2020-09-29  0:29     ` [dpdk-dev] [PATCH v9 03/10] baseband/acc100: add info get function Nicolas Chautru
2020-09-29 21:13       ` Tom Rix
2020-09-30  0:25         ` Chautru, Nicolas
2020-09-30 23:20           ` Tom Rix
2020-09-29  0:29     ` [dpdk-dev] [PATCH v9 04/10] baseband/acc100: add queue configuration Nicolas Chautru
2020-09-29 21:46       ` Tom Rix
2020-09-30  1:03         ` Chautru, Nicolas
2020-09-30 23:36           ` Tom Rix
2020-09-29  0:29     ` [dpdk-dev] [PATCH v9 05/10] baseband/acc100: add LDPC processing functions Nicolas Chautru
2020-09-30 16:53       ` Tom Rix [this message]
2020-09-30 18:52         ` Chautru, Nicolas
2020-10-01 15:31           ` Tom Rix
2020-10-01 16:07             ` Chautru, Nicolas
2020-09-29  0:29     ` [dpdk-dev] [PATCH v9 06/10] baseband/acc100: add HARQ loopback support Nicolas Chautru
2020-09-30 17:25       ` Tom Rix
2020-09-30 18:55         ` Chautru, Nicolas
2020-10-01 15:32           ` Tom Rix
2020-09-29  0:29     ` [dpdk-dev] [PATCH v9 07/10] baseband/acc100: add support for 4G processing Nicolas Chautru
2020-09-30 18:37       ` Tom Rix
2020-09-30 19:10         ` Chautru, Nicolas
2020-10-01 15:42           ` Tom Rix
2020-10-01 21:46             ` Chautru, Nicolas
2020-09-29  0:29     ` [dpdk-dev] [PATCH v9 08/10] baseband/acc100: add interrupt support to PMD Nicolas Chautru
2020-09-30 19:03       ` Tom Rix
2020-09-30 19:45         ` Chautru, Nicolas
2020-10-01 16:05           ` Tom Rix
2020-10-01 21:07             ` Chautru, Nicolas
2020-09-29  0:29     ` [dpdk-dev] [PATCH v9 09/10] baseband/acc100: add debug function to validate input Nicolas Chautru
2020-09-30 19:16       ` Tom Rix
2020-09-30 19:53         ` Chautru, Nicolas
2020-10-01 16:07           ` Tom Rix
2020-09-29  0:29     ` [dpdk-dev] [PATCH v9 10/10] baseband/acc100: add configure function Nicolas Chautru
2020-09-30 19:58       ` Tom Rix
2020-09-30 22:54         ` Chautru, Nicolas
2020-10-01 16:18           ` Tom Rix
2020-10-01 21:11             ` Chautru, Nicolas
2020-10-01  3:14   ` [dpdk-dev] [PATCH v10 00/10] bbdev PMD ACC100 Nicolas Chautru
2020-10-01  3:14     ` [dpdk-dev] [PATCH v10 01/10] drivers/baseband: add PMD for ACC100 Nicolas Chautru
2020-10-01  3:14     ` [dpdk-dev] [PATCH v10 02/10] baseband/acc100: add register definition file Nicolas Chautru
2020-10-01  3:14     ` [dpdk-dev] [PATCH v10 03/10] baseband/acc100: add info get function Nicolas Chautru
2020-10-01 14:34       ` Maxime Coquelin
2020-10-01 19:50         ` Chautru, Nicolas
2020-10-01  3:14     ` [dpdk-dev] [PATCH v10 04/10] baseband/acc100: add queue configuration Nicolas Chautru
2020-10-01 15:38       ` Maxime Coquelin
2020-10-01 19:50         ` Chautru, Nicolas
2020-10-01  3:14     ` [dpdk-dev] [PATCH v10 05/10] baseband/acc100: add LDPC processing functions Nicolas Chautru
2020-10-01  3:14     ` [dpdk-dev] [PATCH v10 06/10] baseband/acc100: add HARQ loopback support Nicolas Chautru
2020-10-01  3:14     ` [dpdk-dev] [PATCH v10 07/10] baseband/acc100: add support for 4G processing Nicolas Chautru
2020-10-01  3:14     ` [dpdk-dev] [PATCH v10 08/10] baseband/acc100: add interrupt support to PMD Nicolas Chautru
2020-10-01  3:14     ` [dpdk-dev] [PATCH v10 09/10] baseband/acc100: add debug function to validate input Nicolas Chautru
2020-10-01  3:14     ` [dpdk-dev] [PATCH v10 10/10] baseband/acc100: add configure function Nicolas Chautru
2020-10-01 14:11       ` Maxime Coquelin
2020-10-01 15:36         ` Chautru, Nicolas
2020-10-01 15:43           ` Maxime Coquelin
2020-10-01 19:50             ` Chautru, Nicolas
2020-10-01 21:44               ` Maxime Coquelin
2020-10-02  1:01   ` [dpdk-dev] [PATCH v11 00/10] bbdev PMD ACC100 Nicolas Chautru
2020-10-02  1:01     ` [dpdk-dev] [PATCH v11 01/10] drivers/baseband: add PMD for ACC100 Nicolas Chautru
2020-10-04 15:53       ` Tom Rix
2020-10-02  1:01     ` [dpdk-dev] [PATCH v11 02/10] baseband/acc100: add register definition file Nicolas Chautru
2020-10-04 15:56       ` Tom Rix
2020-10-02  1:01     ` [dpdk-dev] [PATCH v11 03/10] baseband/acc100: add info get function Nicolas Chautru
2020-10-04 16:09       ` Tom Rix
2020-10-05 16:38         ` Chautru, Nicolas
2020-10-05 22:19           ` Chautru, Nicolas
2020-10-02  1:01     ` [dpdk-dev] [PATCH v11 04/10] baseband/acc100: add queue configuration Nicolas Chautru
2020-10-04 16:18       ` Tom Rix
2020-10-05 16:42         ` Chautru, Nicolas
2020-10-02  1:01     ` [dpdk-dev] [PATCH v11 05/10] baseband/acc100: add LDPC processing functions Nicolas Chautru
2020-10-02  1:01     ` [dpdk-dev] [PATCH v11 06/10] baseband/acc100: add HARQ loopback support Nicolas Chautru
2020-10-02  1:01     ` [dpdk-dev] [PATCH v11 07/10] baseband/acc100: add support for 4G processing Nicolas Chautru
2020-10-02  1:01     ` [dpdk-dev] [PATCH v11 08/10] baseband/acc100: add interrupt support to PMD Nicolas Chautru
2020-10-02  1:01     ` [dpdk-dev] [PATCH v11 09/10] baseband/acc100: add debug function to validate input Nicolas Chautru
2020-10-02  1:01     ` [dpdk-dev] [PATCH v11 10/10] baseband/acc100: add configure function Nicolas Chautru
2020-10-05 22:12   ` [dpdk-dev] [PATCH v12 00/10] bbdev PMD ACC100 Nicolas Chautru
2020-10-05 22:12     ` [dpdk-dev] [PATCH v12 01/10] drivers/baseband: add PMD for ACC100 Nicolas Chautru
2020-11-02  9:25       ` Ferruh Yigit
2020-11-02 11:16         ` Ferruh Yigit
2020-10-05 22:12     ` [dpdk-dev] [PATCH v12 02/10] baseband/acc100: add register definition file Nicolas Chautru
2020-10-05 22:12     ` [dpdk-dev] [PATCH v12 03/10] baseband/acc100: add info get function Nicolas Chautru
2020-10-05 22:12     ` [dpdk-dev] [PATCH v12 04/10] baseband/acc100: add queue configuration Nicolas Chautru
2020-10-05 22:12     ` [dpdk-dev] [PATCH v12 05/10] baseband/acc100: add LDPC processing functions Nicolas Chautru
2020-10-05 22:12     ` [dpdk-dev] [PATCH v12 06/10] baseband/acc100: add HARQ loopback support Nicolas Chautru
2020-10-05 22:12     ` [dpdk-dev] [PATCH v12 07/10] baseband/acc100: add support for 4G processing Nicolas Chautru
2020-10-05 22:12     ` [dpdk-dev] [PATCH v12 08/10] baseband/acc100: add interrupt support to PMD Nicolas Chautru
2020-10-05 22:12     ` [dpdk-dev] [PATCH v12 09/10] baseband/acc100: add debug function to validate input Nicolas Chautru
2020-10-05 22:12     ` [dpdk-dev] [PATCH v12 10/10] baseband/acc100: add configure function Nicolas Chautru
2020-10-06 13:20     ` [dpdk-dev] [PATCH v12 00/10] bbdev PMD ACC100 Maxime Coquelin
2020-10-06 19:43       ` Akhil Goyal

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=41639260-93fe-80fb-745c-9cf3a15db6f1@redhat.com \
    --to=trix@redhat.com \
    --cc=aidan.goddard@accelercomm.com \
    --cc=akhil.goyal@nxp.com \
    --cc=bruce.richardson@intel.com \
    --cc=dave.burley@accelercomm.com \
    --cc=dev@dpdk.org \
    --cc=ferruh.yigit@intel.com \
    --cc=nicolas.chautru@intel.com \
    --cc=rosen.xu@intel.com \
    --cc=tianjiao.liu@intel.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).