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Groups > linux.kernel > #1613900
| From | Salil Mehta <salil.mehta@huawei.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH V2 net-next 16/18] net: hns: Adjust the SBM module buffer threshold |
| Date | 2017-03-31 13:30 +0200 |
| Message-ID | <tr2UH-3Xe-49@gated-at.bofh.it> (permalink) |
| References | <tr2UF-3Xe-3@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
From: Kejian Yan <yankejian@huawei.com> HNS needs SMB Buffers to store at least two packets after sending pause frame because of the link delay. The MTU of HNS is 9728. As the processor user manual described, the SBM buffer threshold should be modified. Reported-by: Ping Zhang <zhangping5@huawei.com> Signed-off-by: Kejian Yan <yankejian@huawei.com> Reviewed-by: Salil Mehta <salil.mehta@huawei.com> Signed-off-by: Salil Mehta <salil.mehta@huawei.com> --- drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c index abd8aec..d07b4fe 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c +++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c @@ -510,10 +510,10 @@ static void hns_dsafv2_sbm_bp_wl_cfg(struct dsaf_device *dsaf_dev) o_sbm_bp_cfg = dsaf_read_dev(dsaf_dev, reg); dsaf_set_field(o_sbm_bp_cfg, DSAFV2_SBM_CFG3_SET_BUF_NUM_NO_PFC_M, - DSAFV2_SBM_CFG3_SET_BUF_NUM_NO_PFC_S, 48); + DSAFV2_SBM_CFG3_SET_BUF_NUM_NO_PFC_S, 55); dsaf_set_field(o_sbm_bp_cfg, DSAFV2_SBM_CFG3_RESET_BUF_NUM_NO_PFC_M, - DSAFV2_SBM_CFG3_RESET_BUF_NUM_NO_PFC_S, 80); + DSAFV2_SBM_CFG3_RESET_BUF_NUM_NO_PFC_S, 110); dsaf_write_dev(dsaf_dev, reg, o_sbm_bp_cfg); /* for no enable pfc mode */ @@ -521,10 +521,10 @@ static void hns_dsafv2_sbm_bp_wl_cfg(struct dsaf_device *dsaf_dev) o_sbm_bp_cfg = dsaf_read_dev(dsaf_dev, reg); dsaf_set_field(o_sbm_bp_cfg, DSAFV2_SBM_CFG4_SET_BUF_NUM_NO_PFC_M, - DSAFV2_SBM_CFG4_SET_BUF_NUM_NO_PFC_S, 192); + DSAFV2_SBM_CFG4_SET_BUF_NUM_NO_PFC_S, 128); dsaf_set_field(o_sbm_bp_cfg, DSAFV2_SBM_CFG4_RESET_BUF_NUM_NO_PFC_M, - DSAFV2_SBM_CFG4_RESET_BUF_NUM_NO_PFC_S, 240); + DSAFV2_SBM_CFG4_RESET_BUF_NUM_NO_PFC_S, 192); dsaf_write_dev(dsaf_dev, reg, o_sbm_bp_cfg); } -- 2.7.4
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[PATCH V2 net-next 00/18] net: hns: Misc. HNS Bug Fixes & Code Improvements Salil Mehta <salil.mehta@huawei.com> - 2017-03-31 13:30 +0200 [PATCH V2 net-next 02/18] net: hns: Modify GMAC init TX threshold value Salil Mehta <salil.mehta@huawei.com> - 2017-03-31 13:30 +0200 [PATCH V2 net-next 15/18] net: hns: Simplify the exception sequence in hns_ppe_init() Salil Mehta <salil.mehta@huawei.com> - 2017-03-31 13:30 +0200 [PATCH V2 net-next 17/18] net: hns: Avoid Hip06 chip TX packet line bug Salil Mehta <salil.mehta@huawei.com> - 2017-03-31 13:30 +0200 [PATCH V2 net-next 09/18] net: hns: Correct HNS RSS key set function Salil Mehta <salil.mehta@huawei.com> - 2017-03-31 13:30 +0200 [PATCH V2 net-next 04/18] net: hns: Remove redundant memset during buffer release Salil Mehta <salil.mehta@huawei.com> - 2017-03-31 13:30 +0200 [PATCH V2 net-next 16/18] net: hns: Adjust the SBM module buffer threshold Salil Mehta <salil.mehta@huawei.com> - 2017-03-31 13:30 +0200 [PATCH V2 net-next 07/18] net: hns: Fix to adjust buf_size of ring according to mtu Salil Mehta <salil.mehta@huawei.com> - 2017-03-31 13:30 +0200 [PATCH V2 net-next 14/18] net: hns: Optimise the code in hns_mdio_wait_ready() Salil Mehta <salil.mehta@huawei.com> - 2017-03-31 13:30 +0200 [PATCH V2 net-next 11/18] net: hns: Remove redundant mac_get_id() Salil Mehta <salil.mehta@huawei.com> - 2017-03-31 13:30 +0200
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