On 21:02 Mon 02 Apr , Sascha Hauer wrote:
> On Mon, Apr 02, 2012 at 04:19:03PM +0200, Jean-Christophe PLAGNIOL-VILLARD wrote:
> > Instead of using a static switch case the handle the received option
> > use an array of supported option.
> >
> > This will allow to unset the env var without duplicating the code.
> >
> > Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@xxxxxxxxxxxx>
>
> Much better, thanks.
>
> > +struct dhcp_opt {
> > + unsigned char option;
> > + const char *barebox_var_name;
> > + void (*handle)(struct dhcp_opt *opt, unsigned char *data, int tlen);
> > + void *data;
> > +
> > + /* request automatically the option when creating the DHCP request */
> > + bool optinal;
>
> s/optinal/optional/?
>
> You can optimize the size of this struct a bit by putting this bool
> after the unsigned char above.
branch updated with it
Best Regards,
J.
>
> > +
> > + struct bootp *bp;
> > +};
> > +
> > +static void netmask_handle(struct dhcp_opt *opt, unsigned char *popt, int optlen)
> > +{
> > + IPaddr_t ip;
> > +
> > + ip = net_read_ip(popt);
> > + net_set_netmask(ip);
> > +}
> > +
> > +static void gateway_handle(struct dhcp_opt *opt, unsigned char *popt, int optlen)
> > +{
> > + IPaddr_t ip;
> > +
> > + ip = net_read_ip(popt);
> > + net_set_gateway(ip);
> > +}
> > +
> > +static void env_ip_handle(struct dhcp_opt *opt, unsigned char *popt, int optlen)
> > +{
> > + IPaddr_t ip;
> > +
> > + if (!opt->barebox_var_name) {
> > + pr_err("dhcp: %s: option %d no barebox_var_name set\n",
> > + __func__, opt->option);
> > + return;
> > + }
>
> I think we don't need this check. It is easy enough to review the code
> to not have this bug.
>
> > +
> > + ip = net_read_ip(popt);
> > + setenv_ip(opt->barebox_var_name, ip);
> > +}
> > +
> > +static void env_str_handle(struct dhcp_opt *opt, unsigned char *popt, int optlen)
> > +{
> > + char str[256];
> > +
> > + if (!opt->barebox_var_name) {
> > + pr_err("dhcp: %s: option %d no barebox_var_name set\n",
> > + __func__, opt->option);
> > + return;
> > + }
>
> ditto
>
> Sascha
>
>
> --
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