netdev - RE: [PATCH iproute2-next 5/5] devlink: Support set of port function state

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Date:   Mon, 1 Feb 2021 20:50:33 +0000
From:   Parav Pandit <parav@...dia.com>
To:     David Ahern <dsahern@...il.com>,
        "stephen@...workplumber.org" <stephen@...workplumber.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>
CC:     Jiri Pirko <jiri@...dia.com>
Subject: RE: [PATCH iproute2-next 5/5] devlink: Support set of port function
 state



> From: David Ahern <dsahern@...il.com>
> Sent: Sunday, January 31, 2021 11:01 PM
> 
> On 1/29/21 9:56 AM, Parav Pandit wrote:
> > @@ -1420,6 +1423,22 @@ static int port_flavour_parse(const char
> *flavour, uint16_t *value)
> >  	}
> >  }
> >
> > +static int port_function_state_parse(const char *statestr, uint8_t
> > +*state) {
> > +	if (!statestr)
> > +		return -EINVAL;
> > +
> > +	if (strcmp(statestr, "inactive") == 0) {
> > +		*state = DEVLINK_PORT_FN_STATE_INACTIVE;
> > +		return 0;
> > +	} else if (strcmp(statestr, "active") == 0) {
> > +		*state = DEVLINK_PORT_FN_STATE_ACTIVE;
> > +		return 0;
> > +	} else {
> > +		return -EINVAL;
> > +	}
> > +}
> > +
> 
> if another state gets added this too should be table driven - string to type
> here and the inverse in the previous patch.
>
Yes. Will reuse the helper that I am introducing for port flavour in v2.
 
> >  struct dl_args_metadata {
> >  	uint64_t o_flag;
> >  	char err_msg[DL_ARGS_REQUIRED_MAX_ERR_LEN];
> 
> 
> 
> > @@ -3897,7 +3934,6 @@ static void pr_out_port_function(struct dl *dl,
> > struct nlattr **tb_port)
> >
> >  		print_string(PRINT_ANY, "opstate", " opstate %s",
> port_function_opstate(state));
> >  	}
> > -
> >  	if (!dl->json_output)
> >  		__pr_out_indent_dec();
> >  	pr_out_object_end(dl);
> 
> Removing the newline intentional?
> 
Oops. Will add back.
> 
>