static void mlx5e_build_tir_ctx(struct mlx5e_priv *priv, u32 *tirc, int tt)
{
void *hfso = MLX5_ADDR_OF(tirc, tirc, rx_hash_field_selector_outer);
#define ROUGH_MAX_L2_L3_HDR_SZ 256
#define MLX5_HASH_IP (MLX5_HASH_FIELD_SEL_SRC_IP |\
MLX5_HASH_FIELD_SEL_DST_IP)
#define MLX5_HASH_ALL (MLX5_HASH_FIELD_SEL_SRC_IP |\
MLX5_HASH_FIELD_SEL_DST_IP |\
MLX5_HASH_FIELD_SEL_L4_SPORT |\
MLX5_HASH_FIELD_SEL_L4_DPORT)
if (priv->params.lro_en) {
MLX5_SET(tirc, tirc, lro_enable_mask,
MLX5_TIRC_LRO_ENABLE_MASK_IPV4_LRO |
MLX5_TIRC_LRO_ENABLE_MASK_IPV6_LRO);
MLX5_SET(tirc, tirc, lro_max_ip_payload_size,
(priv->params.lro_wqe_sz -
ROUGH_MAX_L2_L3_HDR_SZ) >> 8);
MLX5_SET(tirc, tirc, lro_timeout_period_usecs,
MLX5_CAP_ETH(priv->mdev,
lro_timer_supported_periods[3]));
}
void mlx5_query_min_inline(struct mlx5_core_dev *mdev,
u8 *min_inline_mode)
{
switch (MLX5_CAP_ETH(mdev, wqe_inline_mode)) {
case MLX5_CAP_INLINE_MODE_L2:
*min_inline_mode = MLX5_INLINE_MODE_L2;
break;
case MLX5_CAP_INLINE_MODE_VPORT_CONTEXT:
mlx5_query_nic_vport_min_inline(mdev, 0, min_inline_mode);
break;
case MLX5_CAP_INLINE_MODE_NOT_REQUIRED:
*min_inline_mode = MLX5_INLINE_MODE_NONE;
break;
}
}
int mlx5_query_min_inline(struct mlx5_core_dev *mdev,
u8 *min_inline_mode)
{
int err;
switch (MLX5_CAP_ETH(mdev, wqe_inline_mode)) {
case MLX5_CAP_INLINE_MODE_L2:
*min_inline_mode = MLX5_INLINE_MODE_L2;
err = 0;
break;
case MLX5_CAP_INLINE_MODE_VPORT_CONTEXT:
err = mlx5_query_nic_vport_min_inline(mdev, 0, min_inline_mode);
break;
case MLX5_CAP_INLINE_MODE_NOT_REQUIRED:
*min_inline_mode = MLX5_INLINE_MODE_NONE;
err = 0;
break;
default:
err = -EINVAL;
break;
}
return err;
}
static int
mlx5e_ethtool_handler(SYSCTL_HANDLER_ARGS)
{
struct mlx5e_priv *priv = arg1;
int was_opened;
int error;
PRIV_LOCK(priv);
error = sysctl_handle_64(oidp,
priv->params_ethtool.arg + arg2, 0, req);
if (error || req->newptr == NULL)
goto done;
was_opened = test_bit(MLX5E_STATE_OPENED, &priv->state);
if (was_opened)
mlx5e_close_locked(priv->ifp);
/* import TX queue size */
if (priv->params_ethtool.tx_queue_size <
(1 << MLX5E_PARAMS_MINIMUM_LOG_SQ_SIZE)) {
priv->params_ethtool.tx_queue_size =
(1 << MLX5E_PARAMS_MINIMUM_LOG_SQ_SIZE);
} else if (priv->params_ethtool.tx_queue_size >
priv->params_ethtool.tx_queue_size_max) {
priv->params_ethtool.tx_queue_size =
priv->params_ethtool.tx_queue_size_max;
}
priv->params.log_sq_size =
order_base_2(priv->params_ethtool.tx_queue_size);
/* import RX queue size */
if (priv->params_ethtool.rx_queue_size <
(1 << MLX5E_PARAMS_MINIMUM_LOG_RQ_SIZE)) {
priv->params_ethtool.rx_queue_size =
(1 << MLX5E_PARAMS_MINIMUM_LOG_RQ_SIZE);
} else if (priv->params_ethtool.rx_queue_size >
priv->params_ethtool.rx_queue_size_max) {
priv->params_ethtool.rx_queue_size =
priv->params_ethtool.rx_queue_size_max;
}
priv->params.log_rq_size =
order_base_2(priv->params_ethtool.rx_queue_size);
priv->params.min_rx_wqes = min_t (u16,
priv->params_ethtool.rx_queue_size - 1,
MLX5E_PARAMS_DEFAULT_MIN_RX_WQES);
/* import number of channels */
if (priv->params_ethtool.channels < 1)
priv->params_ethtool.channels = 1;
else if (priv->params_ethtool.channels >
(u64) priv->mdev->priv.eq_table.num_comp_vectors) {
priv->params_ethtool.channels =
(u64) priv->mdev->priv.eq_table.num_comp_vectors;
}
priv->params.num_channels = priv->params_ethtool.channels;
/* import RX mode */
if (priv->params_ethtool.rx_coalesce_mode != 0)
priv->params_ethtool.rx_coalesce_mode = 1;
priv->params.rx_cq_moderation_mode = priv->params_ethtool.rx_coalesce_mode;
/* import RX coal time */
if (priv->params_ethtool.rx_coalesce_usecs < 1)
priv->params_ethtool.rx_coalesce_usecs = 0;
else if (priv->params_ethtool.rx_coalesce_usecs >
MLX5E_FLD_MAX(cqc, cq_period)) {
priv->params_ethtool.rx_coalesce_usecs =
MLX5E_FLD_MAX(cqc, cq_period);
}
priv->params.rx_cq_moderation_usec = priv->params_ethtool.rx_coalesce_usecs;
/* import RX coal pkts */
if (priv->params_ethtool.rx_coalesce_pkts < 1)
priv->params_ethtool.rx_coalesce_pkts = 0;
else if (priv->params_ethtool.rx_coalesce_pkts >
MLX5E_FLD_MAX(cqc, cq_max_count)) {
priv->params_ethtool.rx_coalesce_pkts =
MLX5E_FLD_MAX(cqc, cq_max_count);
}
priv->params.rx_cq_moderation_pkts = priv->params_ethtool.rx_coalesce_pkts;
/* import TX coal time */
if (priv->params_ethtool.tx_coalesce_usecs < 1)
priv->params_ethtool.tx_coalesce_usecs = 0;
else if (priv->params_ethtool.tx_coalesce_usecs >
MLX5E_FLD_MAX(cqc, cq_period)) {
priv->params_ethtool.tx_coalesce_usecs =
MLX5E_FLD_MAX(cqc, cq_period);
}
priv->params.tx_cq_moderation_usec = priv->params_ethtool.tx_coalesce_usecs;
/* import TX coal pkts */
if (priv->params_ethtool.tx_coalesce_pkts < 1)
priv->params_ethtool.tx_coalesce_pkts = 0;
else if (priv->params_ethtool.tx_coalesce_pkts >
MLX5E_FLD_MAX(cqc, cq_max_count)) {
priv->params_ethtool.tx_coalesce_pkts = MLX5E_FLD_MAX(cqc, cq_max_count);
}
priv->params.tx_cq_moderation_pkts = priv->params_ethtool.tx_coalesce_pkts;
/* we always agree to turn off HW LRO - but not always to turn on */
if (priv->params_ethtool.hw_lro) {
if (priv->ifp->if_capenable & IFCAP_LRO)
priv->params.hw_lro_en = !!MLX5_CAP_ETH(priv->mdev, lro_cap);
}
else {
priv->params.hw_lro_en = false;
}
if (was_opened)
mlx5e_open_locked(priv->ifp);
done:
PRIV_UNLOCK(priv);
return (error);
}
