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authorDaode Huang <huangdaode@hisilicon.com>2016-06-21 11:56:33 +0800
committerDavid S. Miller <davem@davemloft.net>2016-06-21 04:51:55 -0400
commitad59a17f0a8ea31e6235e77fb4dda3cd22978914 (patch)
treeb304ab8fe8dd6bd4d02f1fbe6e891344463f0de7
parentf56c1b3de7a2c7435e991a01350b0b32664ba5fb (diff)
net: hns: add get_coalesce_range api for hns
This patch adds get_coalesce_range api for hns, it shows range of coalesce usecs and frames that can be set on this interface. Signed-off-by: Daode Huang <huangdaode@hisilicon.com> Signed-off-by: Yisen Zhuang <Yisen.Zhuang@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/ethernet/hisilicon/hns/hnae.h5
-rw-r--r--drivers/net/ethernet/hisilicon/hns/hns_ae_adapt.c25
-rw-r--r--drivers/net/ethernet/hisilicon/hns/hns_ethtool.c10
3 files changed, 40 insertions, 0 deletions
diff --git a/drivers/net/ethernet/hisilicon/hns/hnae.h b/drivers/net/ethernet/hisilicon/hns/hnae.h
index 529cb1341270..962e445ee83f 100644
--- a/drivers/net/ethernet/hisilicon/hns/hnae.h
+++ b/drivers/net/ethernet/hisilicon/hns/hnae.h
@@ -473,6 +473,11 @@ struct hnae_ae_ops {
int (*set_coalesce_usecs)(struct hnae_handle *handle, u32 timeout);
int (*set_coalesce_frames)(struct hnae_handle *handle,
u32 coalesce_frames);
+ void (*get_coalesce_range)(struct hnae_handle *handle,
+ u32 *tx_frames_low, u32 *rx_frames_low,
+ u32 *tx_frames_high, u32 *rx_frames_high,
+ u32 *tx_usecs_low, u32 *rx_usecs_low,
+ u32 *tx_usecs_high, u32 *rx_usecs_high);
void (*set_promisc_mode)(struct hnae_handle *handle, u32 en);
int (*get_mac_addr)(struct hnae_handle *handle, void **p);
int (*set_mac_addr)(struct hnae_handle *handle, void *p);
diff --git a/drivers/net/ethernet/hisilicon/hns/hns_ae_adapt.c b/drivers/net/ethernet/hisilicon/hns/hns_ae_adapt.c
index b97cc754bfae..6b3796f1b30f 100644
--- a/drivers/net/ethernet/hisilicon/hns/hns_ae_adapt.c
+++ b/drivers/net/ethernet/hisilicon/hns/hns_ae_adapt.c
@@ -465,6 +465,30 @@ static int hns_ae_set_coalesce_frames(struct hnae_handle *handle,
ring_pair->port_id_in_comm, coalesce_frames);
}
+static void hns_ae_get_coalesce_range(struct hnae_handle *handle,
+ u32 *tx_frames_low, u32 *rx_frames_low,
+ u32 *tx_frames_high, u32 *rx_frames_high,
+ u32 *tx_usecs_low, u32 *rx_usecs_low,
+ u32 *tx_usecs_high, u32 *rx_usecs_high)
+{
+ struct dsaf_device *dsaf_dev;
+
+ dsaf_dev = hns_ae_get_dsaf_dev(handle->dev);
+
+ *tx_frames_low = HNS_RCB_MIN_COALESCED_FRAMES;
+ *rx_frames_low = HNS_RCB_MIN_COALESCED_FRAMES;
+ *tx_frames_high =
+ (dsaf_dev->desc_num - 1 > HNS_RCB_MAX_COALESCED_FRAMES) ?
+ HNS_RCB_MAX_COALESCED_FRAMES : dsaf_dev->desc_num - 1;
+ *rx_frames_high =
+ (dsaf_dev->desc_num - 1 > HNS_RCB_MAX_COALESCED_FRAMES) ?
+ HNS_RCB_MAX_COALESCED_FRAMES : dsaf_dev->desc_num - 1;
+ *tx_usecs_low = 0;
+ *rx_usecs_low = 0;
+ *tx_usecs_high = HNS_RCB_MAX_COALESCED_USECS;
+ *rx_usecs_high = HNS_RCB_MAX_COALESCED_USECS;
+}
+
void hns_ae_update_stats(struct hnae_handle *handle,
struct net_device_stats *net_stats)
{
@@ -798,6 +822,7 @@ static struct hnae_ae_ops hns_dsaf_ops = {
.get_rx_max_coalesced_frames = hns_ae_get_rx_max_coalesced_frames,
.set_coalesce_usecs = hns_ae_set_coalesce_usecs,
.set_coalesce_frames = hns_ae_set_coalesce_frames,
+ .get_coalesce_range = hns_ae_get_coalesce_range,
.set_promisc_mode = hns_ae_set_promisc_mode,
.set_mac_addr = hns_ae_set_mac_address,
.set_mc_addr = hns_ae_set_multicast_one,
diff --git a/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c b/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c
index 564ae1ec6aa8..a395ca1405c3 100644
--- a/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c
+++ b/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c
@@ -751,6 +751,16 @@ static int hns_get_coalesce(struct net_device *net_dev,
&ec->tx_max_coalesced_frames,
&ec->rx_max_coalesced_frames);
+ ops->get_coalesce_range(priv->ae_handle,
+ &ec->tx_max_coalesced_frames_low,
+ &ec->rx_max_coalesced_frames_low,
+ &ec->tx_max_coalesced_frames_high,
+ &ec->rx_max_coalesced_frames_high,
+ &ec->tx_coalesce_usecs_low,
+ &ec->rx_coalesce_usecs_low,
+ &ec->tx_coalesce_usecs_high,
+ &ec->rx_coalesce_usecs_high);
+
return 0;
}