[dpdk-dev] [PATCH v2 2/5] compress/zlib: add device setup PMD ops

[De Lara Guarch, Pablo]

> -----Original Message-----
> From: Shally Verma [mailto:shally.verma at caviumnetworks.com]
> Sent: Monday, July 2, 2018 5:57 PM
> To: De Lara Guarch, Pablo <pablo.de.lara.guarch at intel.com>
> Cc: dev at dpdk.org; pathreya at caviumnetworks.com;
> mchalla at caviumnetworks.com; Ashish Gupta
> <ashish.gupta at caviumnetworks.com>; Sunila Sahu
> <sunila.sahu at caviumnetworks.com>
> Subject: [PATCH v2 2/5] compress/zlib: add device setup PMD ops
> 
> From: Ashish Gupta <ashish.gupta at caviumnetworks.com>
> 
> Implement device configure and PMD ops
> 
> Signed-off-by: Sunila Sahu <sunila.sahu at caviumnetworks.com>
> Signed-off-by: Shally Verma <shally.verma at caviumnetworks.com>
> Signed-off-by: Ashish Gupta <ashish.gupta at caviumnetworks.com>

...

> b/drivers/compress/zlib/zlib_pmd_ops.c
> new file mode 100644
> index 0000000..03b6da5
> --- /dev/null
> +++ b/drivers/compress/zlib/zlib_pmd_ops.c
> @@ -0,0 +1,236 @@
> +/* SPDX-License-Identifier: BSD-3-Clause
> + * Copyright(c) 2018 Cavium Networks
> + */
> +
> +#include <string.h>
> +
> +#include <rte_common.h>
> +#include <rte_malloc.h>
> +
> +#include "zlib_pmd_private.h"
> +
> +static const struct rte_compressdev_capabilities zlib_pmd_capabilities[] = {
> +	{   /* Deflate */
> +		.algo = RTE_COMP_ALGO_DEFLATE,
> +		.window_size = {
> +			.min = 8,
> +			.max = 15,
> +			.increment = 1
> +		},
> +	},

Add comp_feature_flags here, including the new FIXED and DYNAMIC flags.

> +
> +	RTE_COMP_END_OF_CAPABILITIES_LIST()
> +
> +};
> +

...

> +static int
> +zlib_pmd_qp_release(struct rte_compressdev *dev, uint16_t qp_id) {
> +	struct zlib_qp *qp = dev->data->queue_pairs[qp_id];
> +	struct rte_ring *r = NULL;
> +
> +	if (qp != NULL) {
> +		r = rte_ring_lookup(qp->name);
> +		if (r)
> +			rte_ring_free(r);

I think you can use rte_ring_free(qp->processed_pkts) here directly.

> +		rte_free(qp);
> +		dev->data->queue_pairs[qp_id] = NULL;
> +	}
> +	return 0;
> +}
> +
> +/** set a unique name for the queue pair based on it's name, dev_id and

Typo: "its"

...

> +
> +struct rte_compressdev_ops zlib_pmd_ops = {

...

> +
> +		.private_xform_create	= NULL,
> +		.private_xform_free		= NULL,

Remove extra indentation here.

> +
> +		.stream_create	= NULL,
> +		.stream_free	= NULL
> +};
> +
> +struct rte_compressdev_ops *rte_zlib_pmd_ops = &zlib_pmd_ops;