Re: [dpdk-dev] [PATCH] app/testpmd: support meter color action in policy

["Dumitrescu, Cristian" <cristian.dumitrescu@intel.com>]

> -----Original Message-----
> From: Yigit, Ferruh <ferruh.yigit@intel.com>
> Sent: Friday, April 30, 2021 1:51 PM
> To: Haifei Luo <haifeil@nvidia.com>; matan@nvidia.com; orika@nvidia.com;
> viacheslavo@nvidia.com; Dumitrescu, Cristian
> <cristian.dumitrescu@intel.com>
> Cc: dev@dpdk.org; thomas@monjalon.net; rasland@nvidia.com; Iremonger,
> Bernard <bernard.iremonger@intel.com>; Xing, Beilei
> <beilei.xing@intel.com>; Lu, Wenzhuo <wenzhuo.lu@intel.com>
> Subject: Re: [PATCH] app/testpmd: support meter color action in policy
> 
> On 4/28/2021 3:10 PM, Haifei Luo wrote:
> > Currently action RTE_FLOW_ACTION_TYPE_METER_COLOR is defined.
> > Add the CLI for this action in meter policy: color type (types)
> > There are three types: green, yellow and red.
> >
> > Example for the new policy meter CLIs:
> >    add port meter policy 0 1 g_actions color type green / end y_actions
> >      color type yellow / end r_actions color type red / end
> >
> > In the above command, the action type is
> RTE_FLOW_ACTION_TYPE_METER_COLOR,
> > the meter policy action list: green -> green, yellow -> yellow, red -> red.
> >
> 
> Ori can you please review this patch too?
> 
> +Cristian for meter.
> 

Cc Jasvinder

> > Signed-off-by: Haifei Luo <haifeil@nvidia.com>
> > ---
> >  app/test-pmd/cmdline_flow.c | 85
> +++++++++++++++++++++++++++++++++++++++++++++
> >  1 file changed, 85 insertions(+)
> >
> > diff --git a/app/test-pmd/cmdline_flow.c b/app/test-pmd/cmdline_flow.c
> > index 5947341..1c587bb 100644
> > --- a/app/test-pmd/cmdline_flow.c
> > +++ b/app/test-pmd/cmdline_flow.c
> > @@ -348,6 +348,11 @@ enum index {
> >  	ACTION_PORT_ID_ORIGINAL,
> >  	ACTION_PORT_ID_ID,
> >  	ACTION_METER,
> > +	ACTION_METER_COLOR,
> > +	ACTION_METER_COLOR_TYPE,
> > +	ACTION_METER_COLOR_GREEN,
> > +	ACTION_METER_COLOR_YELLOW,
> > +	ACTION_METER_COLOR_RED,
> >  	ACTION_METER_ID,
> >  	ACTION_OF_SET_MPLS_TTL,
> >  	ACTION_OF_SET_MPLS_TTL_MPLS_TTL,
> > @@ -1377,6 +1382,7 @@ struct parse_action_priv {
> >  	ACTION_PHY_PORT,
> >  	ACTION_PORT_ID,
> >  	ACTION_METER,
> > +	ACTION_METER_COLOR,
> >  	ACTION_OF_SET_MPLS_TTL,
> >  	ACTION_OF_DEC_MPLS_TTL,
> >  	ACTION_OF_SET_NW_TTL,
> > @@ -1486,6 +1492,12 @@ struct parse_action_priv {
> >  	ZERO,
> >  };
> >
> > +static const enum index action_meter_color[] = {
> > +	ACTION_METER_COLOR_TYPE,
> > +	ACTION_NEXT,
> > +	ZERO,
> > +};
> > +
> >  static const enum index action_of_set_mpls_ttl[] = {
> >  	ACTION_OF_SET_MPLS_TTL_MPLS_TTL,
> >  	ACTION_NEXT,
> > @@ -1723,6 +1735,10 @@ static int parse_vc_conf(struct context *, const
> struct token *,
> >  static int parse_vc_item_ecpri_type(struct context *, const struct token *,
> >  				    const char *, unsigned int,
> >  				    void *, unsigned int);
> > +static int parse_vc_action_meter_color_type(struct context *,
> > +					const struct token *,
> > +					const char *, unsigned int, void *,
> > +					unsigned int);
> >  static int parse_vc_action_rss(struct context *, const struct token *,
> >  			       const char *, unsigned int, void *,
> >  			       unsigned int);
> > @@ -3801,6 +3817,37 @@ static int comp_set_modify_field_id(struct
> context *, const struct token *,
> >  		.next = NEXT(action_meter),
> >  		.call = parse_vc,
> >  	},
> > +	[ACTION_METER_COLOR] = {
> > +		.name = "color",
> > +		.help = "meter color for the packets",
> > +		.priv = PRIV_ACTION(METER_COLOR,
> > +				sizeof(struct rte_flow_action_meter_color)),
> > +		.next = NEXT(action_meter_color),
> > +		.call = parse_vc,
> > +	},
> > +	[ACTION_METER_COLOR_TYPE] = {
> > +		.name = "type",
> > +		.help = "specific meter color",
> > +		.next = NEXT(NEXT_ENTRY(ACTION_NEXT),
> > +
> 	NEXT_ENTRY(ACTION_METER_COLOR_GREEN,
> > +					ACTION_METER_COLOR_YELLOW,
> > +					ACTION_METER_COLOR_RED)),
> > +	},
> > +	[ACTION_METER_COLOR_GREEN] = {
> > +		.name = "green",
> > +		.help = "meter color green",
> > +		.call = parse_vc_action_meter_color_type,
> > +	},
> > +	[ACTION_METER_COLOR_YELLOW] = {
> > +		.name = "yellow",
> > +		.help = "meter color yellow",
> > +		.call = parse_vc_action_meter_color_type,
> > +	},
> > +	[ACTION_METER_COLOR_RED] = {
> > +		.name = "red",
> > +		.help = "meter color red",
> > +		.call = parse_vc_action_meter_color_type,
> > +	},
> >  	[ACTION_METER_ID] = {
> >  		.name = "mtr_id",
> >  		.help = "meter id to use",
> > @@ -5318,6 +5365,44 @@ static int comp_set_modify_field_id(struct
> context *, const struct token *,
> >  	return len;
> >  }
> >
> > +/** Parse meter color action type. */
> > +static int
> > +parse_vc_action_meter_color_type(struct context *ctx, const struct
> token *token,
> > +				const char *str, unsigned int len,
> > +				void *buf, unsigned int size)
> > +{
> > +	struct rte_flow_action *action_data;
> > +	struct rte_flow_action_meter_color *conf;
> > +	enum rte_color color;
> > +
> > +	(void)buf;
> > +	(void)size;
> > +	/* Token name must match. */
> > +	if (parse_default(ctx, token, str, len, NULL, 0) < 0)
> > +		return -1;
> > +	switch (ctx->curr) {
> > +	case ACTION_METER_COLOR_GREEN:
> > +		color = RTE_COLOR_GREEN;
> > +	break;
> > +	case ACTION_METER_COLOR_YELLOW:
> > +		color = RTE_COLOR_YELLOW;
> > +	break;
> > +	case ACTION_METER_COLOR_RED:
> > +		color = RTE_COLOR_RED;
> > +	break;
> > +	default:
> > +		return -1;
> > +	}
> > +
> > +	if (!ctx->object)
> > +		return len;
> > +	action_data = ctx->object;
> > +	conf = (struct rte_flow_action_meter_color *)
> > +					(uintptr_t)(action_data->conf);
> > +	conf->color = color;
> > +	return len;
> > +}
> > +
> >  /** Parse RSS action. */
> >  static int
> >  parse_vc_action_rss(struct context *ctx, const struct token *token,
> >