static int hns3_check_rl_coalesce_para(struct net_device *netdev,
struct ethtool_coalesce *cmd)
{
u32 rl;
if (cmd->tx_coalesce_usecs_high != cmd->rx_coalesce_usecs_high) {
netdev_err(netdev,
"tx_usecs_high must be same as rx_usecs_high.\n");
return -EINVAL;
}
if (cmd->rx_coalesce_usecs_high > HNS3_INT_RL_MAX) {
netdev_err(netdev,
"Invalid usecs_high value, usecs_high range is 0-%d\n",
HNS3_INT_RL_MAX);
return -EINVAL;
}
rl = hns3_rl_round_down(cmd->rx_coalesce_usecs_high);
if (rl != cmd->rx_coalesce_usecs_high) {
netdev_info(netdev,
"usecs_high(%d) rounded down to %d, because it must be multiple of 4.\n",
cmd->rx_coalesce_usecs_high, rl);
}
return 0;
}
static int hns3_set_coalesce(struct net_device *netdev,
struct ethtool_coalesce *cmd)
{
struct hnae3_handle *h = hns3_get_handle(netdev);
u16 queue_num = h->kinfo.num_tqps;
int ret;
int i;
ret = hns3_check_coalesce_para(netdev, cmd);
if (ret)
return ret;
h->kinfo.int_rl_setting =
hns3_rl_round_down(cmd->rx_coalesce_usecs_high);
for (i = 0; i < queue_num; i++)
hns3_set_coalesce_per_queue(netdev, cmd, i);
return 0;
}
