int
ni_ethtool_set_priv_flags(const char *ifname, ni_ethtool_t *ethtool, const ni_ethtool_priv_flags_t *pflags)
{
static const ni_ethtool_cmd_info_t NI_ETHTOOL_CMD_SPFLAGS = {
ETHTOOL_SPFLAGS, "set priv-flags"
};
struct ethtool_value ecmd;
unsigned int i, bit;
const char *name;
ni_bool_t enabled;
int ret;
if (!pflags || !pflags->names.count)
return 1; /* nothing to set */
if (!ethtool->priv_flags && (ret = ni_ethtool_get_priv_flags(ifname, ethtool)) < 0)
return ret;
if (!ethtool->priv_flags || !ethtool->priv_flags->names.count)
return -EOPNOTSUPP;
memset(&ecmd, 0, sizeof(ecmd));
ecmd.data = ethtool->priv_flags->bitmap;
/* set every single bit separately in case one fails? */
for (i = 0; i < pflags->names.count; ++i) {
name = pflags->names.data[i];
if (ni_string_empty(name))
continue;
enabled = !!(pflags->bitmap & NI_BIT(i));
bit = ni_string_array_index(ðtool->priv_flags->names, name);
if (bit == -1U) {
ni_info("%s: unable to set unknown driver private flag '%s'",
ifname, name);
continue;
}
ni_debug_verbose(NI_LOG_DEBUG1, NI_TRACE_IFCONFIG,
"%s: setting driver private flag '%s' to %s",
ifname, name, ni_format_boolean(enabled));
if (enabled)
ecmd.data |= NI_BIT(bit);
else
ecmd.data &= ~NI_BIT(bit);
}
if (ecmd.data == ethtool->priv_flags->bitmap)
return 0;
ret = ni_ethtool_call(ifname, &NI_ETHTOOL_CMD_SPFLAGS, &ecmd, NULL);
ni_ethtool_set_supported(ethtool, NI_ETHTOOL_SUPP_SET_PRIV_FLAGS,
ret != -EOPNOTSUPP);
if (ret < 0)
return ret;
return 0;
}
/*
* main system refresh and setup functions
*/
static ni_bool_t
ni_ethtool_refresh(ni_netdev_t *dev)
{
ni_ethtool_t *ethtool;
if (!dev || !(ethtool = ni_netdev_get_ethtool(dev)))
return FALSE;
if (!ethtool->driver_info)
ni_ethtool_get_driver_info(dev->name, ethtool);
ni_ethtool_get_priv_flags(dev->name, ethtool);
return TRUE;
}
/*
* private-flags
*/
static int
get_ethtool_priv_flags(const ni_netdev_ref_t *ref, ni_ethtool_t *ethtool, struct ethtool_args *args)
{
const ni_ethtool_priv_flags_t *pflags;
const char *name;
unsigned int n;
(void)args;
if (ni_ethtool_get_priv_flags(ref, ethtool) < 0 || !(pflags = ethtool->priv_flags))
return -1;
printf("private-flags:\n");
for (n = 0; n < pflags->names.count; ++n) {
name = pflags->names.data[n];
printf("\t%s: %s\n", name, pflags->bitmap & NI_BIT(n) ? "on" : "off");
}
return 0;
}
