Add support in ethtool for switching EQE/CQE mode.
Signed-off-by: Yufeng Mo moyufeng@huawei.com Signed-off-by: Huazhong Tan tanhuazhong@huawei.com --- drivers/net/ethernet/hisilicon/hns3/hns3_enet.c | 6 +++--- drivers/net/ethernet/hisilicon/hns3/hns3_enet.h | 3 +++ drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c | 18 +++++++++++++++++- 3 files changed, 23 insertions(+), 4 deletions(-)
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c index 1bd83d7..39d01ca 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c @@ -5055,9 +5055,9 @@ static void hns3_set_cq_period_mode(struct hns3_nic_priv *priv, } }
-static void hns3_cq_period_mode_init(struct hns3_nic_priv *priv, - enum dim_cq_period_mode tx_mode, - enum dim_cq_period_mode rx_mode) +void hns3_cq_period_mode_init(struct hns3_nic_priv *priv, + enum dim_cq_period_mode tx_mode, + enum dim_cq_period_mode rx_mode) { hns3_set_cq_period_mode(priv, tx_mode, true); hns3_set_cq_period_mode(priv, rx_mode, false); diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h index ff45825..dfad906 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h @@ -718,4 +718,7 @@ void hns3_dbg_register_debugfs(const char *debugfs_dir_name); void hns3_dbg_unregister_debugfs(void); void hns3_shinfo_pack(struct skb_shared_info *shinfo, __u32 *size); u16 hns3_get_max_available_channels(struct hnae3_handle *h); +void hns3_cq_period_mode_init(struct hns3_nic_priv *priv, + enum dim_cq_period_mode tx_mode, + enum dim_cq_period_mode rx_mode); #endif diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c index 049be076..b8d9851 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c @@ -1203,6 +1203,11 @@ static int hns3_get_coalesce(struct net_device *netdev, cmd->tx_max_coalesced_frames = tx_coal->int_ql; cmd->rx_max_coalesced_frames = rx_coal->int_ql;
+ kernel_coal->use_cqe_mode_tx = (priv->tx_cqe_mode == + DIM_CQ_PERIOD_MODE_START_FROM_CQE); + kernel_coal->use_cqe_mode_rx = (priv->rx_cqe_mode == + DIM_CQ_PERIOD_MODE_START_FROM_CQE); + return 0; }
@@ -1372,6 +1377,8 @@ static int hns3_set_coalesce(struct net_device *netdev, struct hns3_enet_coalesce *tx_coal = &priv->tx_coal; struct hns3_enet_coalesce *rx_coal = &priv->rx_coal; u16 queue_num = h->kinfo.num_tqps; + enum dim_cq_period_mode tx_mode; + enum dim_cq_period_mode rx_mode; int ret; int i;
@@ -1397,6 +1404,14 @@ static int hns3_set_coalesce(struct net_device *netdev, for (i = 0; i < queue_num; i++) hns3_set_coalesce_per_queue(netdev, cmd, i);
+ tx_mode = kernel_coal->use_cqe_mode_tx ? + DIM_CQ_PERIOD_MODE_START_FROM_CQE : + DIM_CQ_PERIOD_MODE_START_FROM_EQE; + rx_mode = kernel_coal->use_cqe_mode_rx ? + DIM_CQ_PERIOD_MODE_START_FROM_CQE : + DIM_CQ_PERIOD_MODE_START_FROM_EQE; + hns3_cq_period_mode_init(priv, tx_mode, rx_mode); + return 0; }
@@ -1702,7 +1717,8 @@ static int hns3_set_tunable(struct net_device *netdev, ETHTOOL_COALESCE_USE_ADAPTIVE | \ ETHTOOL_COALESCE_RX_USECS_HIGH | \ ETHTOOL_COALESCE_TX_USECS_HIGH | \ - ETHTOOL_COALESCE_MAX_FRAMES) + ETHTOOL_COALESCE_MAX_FRAMES | \ + ETHTOOL_COALESCE_USE_CQE)
static int hns3_get_ts_info(struct net_device *netdev, struct ethtool_ts_info *info)