Re: [dpdk-dev] [PATCH v15 7/7] app/testpmd: add command to set supported ptype mask

[Pavan Nikhilesh Bhagavatula <pbhagavatula@marvell.com>]

Hi Bernard,

>Hi Pavan,
>
>> -----Original Message-----
>> From: pbhagavatula@marvell.com <pbhagavatula@marvell.com>
>> Sent: Tuesday, October 29, 2019 3:37 PM
>> To: Yigit, Ferruh <ferruh.yigit@intel.com>;
>arybchenko@solarflare.com;
>> jerinj@marvell.com; Lu, Wenzhuo <wenzhuo.lu@intel.com>; Wu,
>Jingjing
>> <jingjing.wu@intel.com>; Iremonger, Bernard
>> <bernard.iremonger@intel.com>; Mcnamara, John
>> <john.mcnamara@intel.com>; Kovacevic, Marko
>> <marko.kovacevic@intel.com>
>> Cc: dev@dpdk.org; Pavan Nikhilesh <pbhagavatula@marvell.com>
>> Subject: [dpdk-dev] [PATCH v15 7/7] app/testpmd: add command to
>set
>> supported ptype mask
>>
>> From: Pavan Nikhilesh <pbhagavatula@marvell.com>
>>
>> Add command to set supported ptype mask.
>> Usage:
>> 	set port <port_id> ptype_mask <ptype_mask>
>>
>> Disable ptype parsing by default.
>>
>> Signed-off-by: Pavan Nikhilesh <pbhagavatula@marvell.com>
>> ---
>>  app/test-pmd/cmdline.c                      | 80 +++++++++++++++++++++
>>  app/test-pmd/testpmd.c                      |  6 ++
>>  doc/guides/testpmd_app_ug/testpmd_funcs.rst |  7 ++
>>  3 files changed, 93 insertions(+)
>>
>> diff --git a/app/test-pmd/cmdline.c b/app/test-pmd/cmdline.c index
>> 447806991..9f0356b50 100644
>> --- a/app/test-pmd/cmdline.c
>> +++ b/app/test-pmd/cmdline.c
>
>The help text should be updated to describe the new command at line
>240 in cmdline.c
>

Will add in v16.

>> @@ -18915,6 +18915,85 @@ cmdline_parse_inst_t
>> cmd_show_port_supported_ptypes = {
>>  	},
>>  };
>>
>> +/* Common result structure for set port ptypes */ struct
>> +cmd_set_port_supported_ptypes_result {
>> +	cmdline_fixed_string_t set;
>> +	cmdline_fixed_string_t port;
>> +	portid_t port_id;
>> +	cmdline_fixed_string_t ptype_mask;
>> +	uint32_t mask;
>> +};
>> +
>> +/* Common CLI fields for set port ptypes */
>> +cmdline_parse_token_string_t
>cmd_set_port_supported_ptypes_set =
>> +	TOKEN_STRING_INITIALIZER
>> +		(struct cmd_set_port_supported_ptypes_result,
>> +		 set, "set");
>> +cmdline_parse_token_string_t
>cmd_set_port_supported_ptypes_port =
>> +	TOKEN_STRING_INITIALIZER
>> +		(struct cmd_set_port_supported_ptypes_result,
>> +		 port, "port");
>> +cmdline_parse_token_num_t
>cmd_set_port_supported_ptypes_port_id =
>> +	TOKEN_NUM_INITIALIZER
>> +		(struct cmd_set_port_supported_ptypes_result,
>> +		 port_id, UINT16);
>> +cmdline_parse_token_string_t
>> cmd_set_port_supported_ptypes_mask_str =
>> +	TOKEN_STRING_INITIALIZER
>> +		(struct cmd_set_port_supported_ptypes_result,
>> +		 ptype_mask, "ptype_mask");
>> +cmdline_parse_token_num_t
>> cmd_set_port_supported_ptypes_mask_u32 =
>> +	TOKEN_NUM_INITIALIZER
>> +		(struct cmd_set_port_supported_ptypes_result,
>> +		 mask, UINT32);
>> +
>> +static void
>> +cmd_set_port_supported_ptypes_parsed(
>> +	void *parsed_result,
>> +	__attribute__((unused)) struct cmdline *cl,
>> +	__attribute__((unused)) void *data)
>> +{
>> +	struct cmd_set_port_supported_ptypes_result *res =
>> parsed_result;
>> +#define PTYPE_NAMESIZE        256
>> +	char ptype_name[PTYPE_NAMESIZE];
>> +	uint16_t port_id = res->port_id;
>> +	uint32_t ptype_mask = res->mask;
>> +	int ret, i;
>> +
>> +	ret = rte_eth_dev_get_supported_ptypes(port_id,
>ptype_mask,
>> NULL, 0);
>> +	if (ret <= 0) {
>> +		printf("Port %d doesn't support any ptypes.\n",
>port_id);
>> +		return;
>> +	}
>> +
>> +	uint32_t ptypes[ret];
>
>Might be better to move above variable declaration to top of function
>with the other declarations.

I intentionally placed it here as the array size depends on ret and there is 
no readily available macro for max number of packet types. 

>
>> +	ret = rte_eth_dev_set_supported_ptypes(port_id,
>ptype_mask,
>> ptypes,
>> +					       ret);
>> +	if (ret <= 0) {
>> +		printf("Unable to set requested ptypes for Port %d\n",
>> port_id);
>> +		return;
>> +	}
>> +
>> +	printf("Successfully set following ptypes for Port %d\n",
>port_id);
>> +	for (i = 0; i < ret && ptypes[i] != RTE_PTYPE_UNKNOWN; i++) {
>> +		rte_get_ptype_name(ptypes[i], ptype_name,
>> sizeof(ptype_name));
>> +		printf("%s\n", ptype_name);
>> +	}
>> +}
>> +
>> +cmdline_parse_inst_t cmd_set_port_supported_ptypes = {
>> +	.f = cmd_set_port_supported_ptypes_parsed,
>> +	.data = NULL,
>> +	.help_str = "set port <port_id> ptype_mask <mask>",
>> +	.tokens = {
>> +		(void *)&cmd_set_port_supported_ptypes_set,
>> +		(void *)&cmd_set_port_supported_ptypes_port,
>> +		(void *)&cmd_set_port_supported_ptypes_port_id,
>> +		(void *)&cmd_set_port_supported_ptypes_mask_str,
>> +		(void *)&cmd_set_port_supported_ptypes_mask_u32,
>> +		NULL,
>> +	},
>> +};
>> +
>>  /*
>>
>******************************************************
>****
>> ********************** */
>>
>>  /* list of instructions */
>> @@ -19154,6 +19233,7 @@ cmdline_parse_ctx_t main_ctx[] = {
>>  	(cmdline_parse_inst_t *)&cmd_show_vf_stats,
>>  	(cmdline_parse_inst_t *)&cmd_clear_vf_stats,
>>  	(cmdline_parse_inst_t
>*)&cmd_show_port_supported_ptypes,
>> +	(cmdline_parse_inst_t *)&cmd_set_port_supported_ptypes,
>>  	(cmdline_parse_inst_t *)&cmd_ptype_mapping_get,
>>  	(cmdline_parse_inst_t *)&cmd_ptype_mapping_replace,
>>  	(cmdline_parse_inst_t *)&cmd_ptype_mapping_reset, diff --
>git
>> a/app/test-pmd/testpmd.c b/app/test-pmd/testpmd.c index
>> 38acbc58a..fd2c04d64 100644
>> --- a/app/test-pmd/testpmd.c
>> +++ b/app/test-pmd/testpmd.c
>> @@ -2028,6 +2028,7 @@ start_port(portid_t pid)
>>  	queueid_t qi;
>>  	struct rte_port *port;
>>  	struct rte_ether_addr mac_addr;
>> +	static uint8_t clr_ptypes = 1;
>>
>>  	if (port_id_is_invalid(pid, ENABLED_WARN))
>>  		return 0;
>> @@ -2157,6 +2158,11 @@ start_port(portid_t pid)
>>  			}
>>  		}
>>  		configure_rxtx_dump_callbacks(verbose_level);
>> +		if (clr_ptypes) {
>> +			clr_ptypes = 0;
>> +			rte_eth_dev_set_supported_ptypes(pi,
>> RTE_PTYPE_UNKNOWN,
>> +					NULL, 0);
>> +		}
>>  		/* start port */
>>  		if (rte_eth_dev_start(pi) < 0) {
>>  			printf("Fail to start port %d\n", pi); diff --git
>> a/doc/guides/testpmd_app_ug/testpmd_funcs.rst
>> b/doc/guides/testpmd_app_ug/testpmd_funcs.rst
>> index c68a742eb..9c4dc92aa 100644
>> --- a/doc/guides/testpmd_app_ug/testpmd_funcs.rst
>> +++ b/doc/guides/testpmd_app_ug/testpmd_funcs.rst
>> @@ -472,6 +472,13 @@ Show ptypes supported for a specific port::
>>
>>     testpmd> show port (port_id) ptypes
>>
>> +set port supported ptypes
>> +~~~~~~~~~~~~~~~~~~~~~~~~~
>> +
>> +Inform packet types classification interested in for a specific port::
>
>The description of the command is not very clear.
>Perhaps something like the following would be better:
>
>"set packet types classification for a specific port::"

Sure will update in v16

>
>> +
>> +   testpmd> set port (port_id) ptypes_mask (mask)
>> +
>>  show device info
>>  ~~~~~~~~~~~~~~~~
>>
>> --
>> 2.17.1
>
>Regards,
>
>Bernard.

Thanks, 
Pavan.