Re: [dpdk-dev] [PATCH v2 2/2] app/testpmd: add support for integrity item

[Ferruh Yigit <ferruh.yigit@intel.com>]

On 4/11/2021 6:34 PM, Gregory Etelson wrote:
> From: Ori Kam <orika@nvidia.com>
> 
> The integrity item allows the application to match
> on the integrity of a packet.
> 
> use example:
> match that packet integrity checks are ok. The checks depend on
> packet layers. For example ICMP packet will not check L4 level.
> flow create 0 ingress pattern integrity value mask 0x01 value spec 0x01
> match that L4 packet is ok - check L2 & L3 & L4 layers:
> flow create 0 ingress pattern integrity value mask 0xfe value spec 0xfe
> 
> Signed-off-by: Ori Kam <orika@nvidia.com>
> Signed-off-by: Gregory Etelson <getelson@nvidia.com>
> ---
> v2 add testpmd patch
> ---
>   app/test-pmd/cmdline_flow.c | 39 +++++++++++++++++++++++++++++++++++++

Hi Gregory, Ori,

Can you add some samples to "testpmd_funcs.rst#flow-rules-management"?

I asked in some other thread but did not get any response, what do you think to 
make 'testpmd_funcs.rst' sample update mandatory when testpmd flow added?


>   1 file changed, 39 insertions(+)
> 
> diff --git a/app/test-pmd/cmdline_flow.c b/app/test-pmd/cmdline_flow.c
> index fb7a3a8bd3..b5dec34325 100644
> --- a/app/test-pmd/cmdline_flow.c
> +++ b/app/test-pmd/cmdline_flow.c
> @@ -289,6 +289,9 @@ enum index {
>   	ITEM_GENEVE_OPT_TYPE,
>   	ITEM_GENEVE_OPT_LENGTH,
>   	ITEM_GENEVE_OPT_DATA,
> +	ITEM_INTEGRITY,
> +	ITEM_INTEGRITY_LEVEL,
> +	ITEM_INTEGRITY_VALUE,
>   
>   	/* Validate/create actions. */
>   	ACTIONS,
> @@ -956,6 +959,7 @@ static const enum index next_item[] = {
>   	ITEM_PFCP,
>   	ITEM_ECPRI,
>   	ITEM_GENEVE_OPT,
> +	ITEM_INTEGRITY,
>   	END_SET,
>   	ZERO,
>   };
> @@ -1307,6 +1311,19 @@ static const enum index item_geneve_opt[] = {
>   	ZERO,
>   };
>   
> +static const enum index item_integrity[] = {
> +	ITEM_INTEGRITY_LEVEL,
> +	ITEM_INTEGRITY_VALUE,
> +	ZERO,
> +};
> +
> +static const enum index item_integrity_lv[] = {
> +	ITEM_INTEGRITY_LEVEL,
> +	ITEM_INTEGRITY_VALUE,
> +	ITEM_NEXT,
> +	ZERO,
> +};
> +
>   static const enum index next_action[] = {
>   	ACTION_END,
>   	ACTION_VOID,
> @@ -3373,6 +3390,28 @@ static const struct token token_list[] = {
>   				(sizeof(struct rte_flow_item_geneve_opt),
>   				ITEM_GENEVE_OPT_DATA_SIZE)),
>   	},
> +	[ITEM_INTEGRITY] = {
> +		.name = "integrity",
> +		.help = "match packet integrity",
> +		.priv = PRIV_ITEM(INTEGRITY,
> +				  sizeof(struct rte_flow_item_integrity)),
> +		.next = NEXT(item_integrity),
> +		.call = parse_vc,
> +	},
> +	[ITEM_INTEGRITY_LEVEL] = {
> +		.name = "level",
> +		.help = "integrity level",
> +		.next = NEXT(item_integrity_lv, NEXT_ENTRY(UNSIGNED),
> +			     item_param),
> +		.args = ARGS(ARGS_ENTRY(struct rte_flow_item_integrity, level)),
> +	},
> +	[ITEM_INTEGRITY_VALUE] = {
> +		.name = "value",
> +		.help = "integrity value",
> +		.next = NEXT(item_integrity_lv, NEXT_ENTRY(UNSIGNED),
> +			     item_param),
> +		.args = ARGS(ARGS_ENTRY(struct rte_flow_item_integrity, value)),
> +	},
>   	/* Validate/create actions. */
>   	[ACTIONS] = {
>   		.name = "actions",
>