Commit f28f34cd authored by Daode Huang's avatar Daode Huang Committed by David S. Miller

net: hns: change the default coalesce usecs

The default coalesce timeout is 3us, which is will cause CPU
usage is too high. This patch change it to 50us in order to reduce
CPU usage and the value makes sure network latency also meets requirement.
Signed-off-by: default avatarDaode Huang <huangdaode@hisilicon.com>
Signed-off-by: default avatarYisen Zhuang <Yisen.Zhuang@huawei.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 8ae7b8a5
...@@ -540,7 +540,7 @@ int hns_rcb_set_coalesce_usecs( ...@@ -540,7 +540,7 @@ int hns_rcb_set_coalesce_usecs(
} }
if (timeout > HNS_RCB_MAX_COALESCED_USECS) { if (timeout > HNS_RCB_MAX_COALESCED_USECS) {
dev_err(rcb_common->dsaf_dev->dev, dev_err(rcb_common->dsaf_dev->dev,
"error: not support coalesce %dus!\n", timeout); "error: coalesce_usecs setting supports 0~1023us\n");
return -EINVAL; return -EINVAL;
} }
hns_rcb_set_port_timeout(rcb_common, port_idx, timeout); hns_rcb_set_port_timeout(rcb_common, port_idx, timeout);
......
...@@ -40,7 +40,7 @@ struct rcb_common_cb; ...@@ -40,7 +40,7 @@ struct rcb_common_cb;
#define HNS_RCB_DEF_COALESCED_FRAMES 50 #define HNS_RCB_DEF_COALESCED_FRAMES 50
#define HNS_RCB_CLK_FREQ_MHZ 350 #define HNS_RCB_CLK_FREQ_MHZ 350
#define HNS_RCB_MAX_COALESCED_USECS 0x3ff #define HNS_RCB_MAX_COALESCED_USECS 0x3ff
#define HNS_RCB_DEF_COALESCED_USECS 3 #define HNS_RCB_DEF_COALESCED_USECS 50
#define HNS_RCB_COMMON_ENDIAN 1 #define HNS_RCB_COMMON_ENDIAN 1
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment