static int print_iface_handler(struct nl_msg *msg, void *arg)
{
struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
struct nlattr *tb_msg[NL802154_ATTR_MAX + 1];
unsigned int *wpan_phy = arg;
const char *indent = "";
nla_parse(tb_msg, NL802154_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
genlmsg_attrlen(gnlh, 0), NULL);
if (wpan_phy && tb_msg[NL802154_ATTR_WPAN_PHY]) {
unsigned int thiswpan_phy = nla_get_u32(tb_msg[NL802154_ATTR_WPAN_PHY]);
indent = "\t";
if (*wpan_phy != thiswpan_phy)
printf("phy#%d\n", thiswpan_phy);
*wpan_phy = thiswpan_phy;
}
if (tb_msg[NL802154_ATTR_IFNAME])
printf("%sInterface %s\n", indent, nla_get_string(tb_msg[NL802154_ATTR_IFNAME]));
else
printf("%sUnnamed/non-netdev interface\n", indent);
if (tb_msg[NL802154_ATTR_IFINDEX])
printf("%s\tifindex %d\n", indent, nla_get_u32(tb_msg[NL802154_ATTR_IFINDEX]));
if (tb_msg[NL802154_ATTR_WPAN_DEV])
printf("%s\twpan_dev 0x%llx\n", indent,
(unsigned long long)nla_get_u64(tb_msg[NL802154_ATTR_WPAN_DEV]));
if (tb_msg[NL802154_ATTR_EXTENDED_ADDR])
printf("%s\textended_addr 0x%016" PRIx64 "\n", indent,
le64toh(nla_get_u64(tb_msg[NL802154_ATTR_EXTENDED_ADDR])));
if (tb_msg[NL802154_ATTR_SHORT_ADDR])
printf("%s\tshort_addr 0x%04x\n", indent,
le16toh(nla_get_u16(tb_msg[NL802154_ATTR_SHORT_ADDR])));
if (tb_msg[NL802154_ATTR_PAN_ID])
printf("%s\tpan_id 0x%04x\n", indent,
le16toh(nla_get_u16(tb_msg[NL802154_ATTR_PAN_ID])));
if (tb_msg[NL802154_ATTR_IFTYPE])
printf("%s\ttype %s\n", indent, iftype_name(nla_get_u32(tb_msg[NL802154_ATTR_IFTYPE])));
if (tb_msg[NL802154_ATTR_MAX_FRAME_RETRIES])
printf("%s\tmax_frame_retries %d\n", indent, nla_get_s8(tb_msg[NL802154_ATTR_MAX_FRAME_RETRIES]));
if (tb_msg[NL802154_ATTR_MIN_BE])
printf("%s\tmin_be %d\n", indent, nla_get_u8(tb_msg[NL802154_ATTR_MIN_BE]));
if (tb_msg[NL802154_ATTR_MAX_BE])
printf("%s\tmax_be %d\n", indent, nla_get_u8(tb_msg[NL802154_ATTR_MAX_BE]));
if (tb_msg[NL802154_ATTR_MAX_CSMA_BACKOFFS])
printf("%s\tmax_csma_backoffs %d\n", indent, nla_get_u8(tb_msg[NL802154_ATTR_MAX_CSMA_BACKOFFS]));
if (tb_msg[NL802154_ATTR_LBT_MODE])
printf("%s\tlbt %d\n", indent, nla_get_u8(tb_msg[NL802154_ATTR_LBT_MODE]));
if (tb_msg[NL802154_ATTR_ACKREQ_DEFAULT])
printf("%s\tackreq_default %d\n", indent, nla_get_u8(tb_msg[NL802154_ATTR_ACKREQ_DEFAULT]));
return NL_SKIP;
}
int ieee802154_set_macparams(struct sk_buff *skb, struct genl_info *info)
{
struct net_device *dev = NULL;
struct ieee802154_mlme_ops *ops;
struct ieee802154_mac_params params;
struct wpan_phy *phy;
int rc = -EINVAL;
pr_debug("%s\n", __func__);
dev = ieee802154_nl_get_dev(info);
if (!dev)
return -ENODEV;
ops = ieee802154_mlme_ops(dev);
if (!ops->get_mac_params || !ops->set_mac_params) {
rc = -EOPNOTSUPP;
goto out;
}
if (netif_running(dev)) {
rc = -EBUSY;
goto out;
}
if (!info->attrs[IEEE802154_ATTR_LBT_ENABLED] &&
!info->attrs[IEEE802154_ATTR_CCA_MODE] &&
!info->attrs[IEEE802154_ATTR_CCA_ED_LEVEL] &&
!info->attrs[IEEE802154_ATTR_CSMA_RETRIES] &&
!info->attrs[IEEE802154_ATTR_CSMA_MIN_BE] &&
!info->attrs[IEEE802154_ATTR_CSMA_MAX_BE] &&
!info->attrs[IEEE802154_ATTR_FRAME_RETRIES])
goto out;
phy = dev->ieee802154_ptr->wpan_phy;
get_device(&phy->dev);
rtnl_lock();
ops->get_mac_params(dev, ¶ms);
if (info->attrs[IEEE802154_ATTR_TXPOWER])
params.transmit_power = nla_get_s8(info->attrs[IEEE802154_ATTR_TXPOWER]);
if (info->attrs[IEEE802154_ATTR_LBT_ENABLED])
params.lbt = nla_get_u8(info->attrs[IEEE802154_ATTR_LBT_ENABLED]);
if (info->attrs[IEEE802154_ATTR_CCA_MODE])
params.cca.mode = nla_get_u8(info->attrs[IEEE802154_ATTR_CCA_MODE]);
if (info->attrs[IEEE802154_ATTR_CCA_ED_LEVEL])
params.cca_ed_level = nla_get_s32(info->attrs[IEEE802154_ATTR_CCA_ED_LEVEL]);
if (info->attrs[IEEE802154_ATTR_CSMA_RETRIES])
params.csma_retries = nla_get_u8(info->attrs[IEEE802154_ATTR_CSMA_RETRIES]);
if (info->attrs[IEEE802154_ATTR_CSMA_MIN_BE])
params.min_be = nla_get_u8(info->attrs[IEEE802154_ATTR_CSMA_MIN_BE]);
if (info->attrs[IEEE802154_ATTR_CSMA_MAX_BE])
params.max_be = nla_get_u8(info->attrs[IEEE802154_ATTR_CSMA_MAX_BE]);
if (info->attrs[IEEE802154_ATTR_FRAME_RETRIES])
params.frame_retries = nla_get_s8(info->attrs[IEEE802154_ATTR_FRAME_RETRIES]);
rc = ops->set_mac_params(dev, ¶ms);
rtnl_unlock();
wpan_phy_put(phy);
dev_put(dev);
return 0;
out:
dev_put(dev);
return rc;
}