Re: [dpdk-dev] [dpdk-stable] [PATCH] app/testpmd: fix identifier size for port attach

[Wisam Monther <wisamm@mellanox.com>]

When attaching new device, it needs to pass the white list options with the PCI,
For example if I want the following set of options with the new attach device it will fail
Due to not enough space:
port attach 0000:03:00.0,l3_vxlan_en=1,txq_inline_mpw=77,dv_xmeta_en=1,txqs_min_inline=0,dv_esw_en=1,dv_flow_en=1,txq_inline_min=28,txq_inline_max=65

-----Original Message-----
From: Ferruh Yigit <ferruh.yigit@intel.com> 
Sent: Thursday, February 20, 2020 2:28 PM
To: Wisam Monther <wisamm@mellanox.com>; wenzhuo.lu@intel.com; dev@dpdk.org; Raslan Darawsheh <rasland@mellanox.com>; Matan Azrad <matan@mellanox.com>
Cc: mukawa@igel.co.jp; stable@dpdk.org
Subject: Re: [dpdk-stable] [PATCH] app/testpmd: fix identifier size for port attach

On 2/19/2020 4:47 PM, Wisam Jaddo wrote:
> Identifier for new port may contain white list options, and white list 
> options will not fit into 128 from STR_TOKEN_SIZE, instead having 4096 
> char from STR_MULTI_TOKEN_SIZE will provide better and more options

Out of curiosity, what device identifier doesn't fit to 128 chars, can you please give a sample?

> 
> Fixes: edab33b1c01d ("app/testpmd: support port hotplug")
> Cc: mukawa@igel.co.jp
> Cc: stable@dpdk.org
> 
> Signed-off-by: Wisam Jaddo <wisamm@mellanox.com>
> ---
>  app/test-pmd/cmdline.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/app/test-pmd/cmdline.c b/app/test-pmd/cmdline.c index 
> 38b6d80..a037a55 100644
> --- a/app/test-pmd/cmdline.c
> +++ b/app/test-pmd/cmdline.c
> @@ -1446,7 +1446,7 @@ cmdline_parse_inst_t cmd_set_port_setup_on = {  
> struct cmd_operate_attach_port_result {
>  	cmdline_fixed_string_t port;
>  	cmdline_fixed_string_t keyword;
> -	cmdline_fixed_string_t identifier;
> +	cmdline_multi_string_t identifier;
>  };
>  
>  static void cmd_operate_attach_port_parsed(void *parsed_result, @@ 
> -1469,7 +1469,7 @@ cmdline_parse_token_string_t cmd_operate_attach_port_keyword =
>  			keyword, "attach");
>  cmdline_parse_token_string_t cmd_operate_attach_port_identifier =
>  	TOKEN_STRING_INITIALIZER(struct cmd_operate_attach_port_result,
> -			identifier, NULL);
> +			identifier, TOKEN_STRING_MULTI);
>  
>  cmdline_parse_inst_t cmd_operate_attach_port = {
>  	.f = cmd_operate_attach_port_parsed,
>