From: Guangbin Huang huangguangbin2@huawei.com
mainline inclusion from mainline-v6.0-rc2 commit 08aa17a0c18562a08981e5b103105c1798fa2bfd category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/I5QIIF CVE: NA
Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?i...
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For some new devices, the FEC mode can not be set to OFF in speed 200G. In order to flexibly adapt to all types of devices, driver queries fec ability from firmware to decide whether OFF mode can be supported.
Signed-off-by: Guangbin Huang huangguangbin2@huawei.com Signed-off-by: David S. Miller davem@davemloft.net Signed-off-by: Jiantao Xiao xiaojiantao1@h-partners.com Reviewed-by: Jian Shen shenjian15@huawei.com Reviewed-by: YueHaibing yuehaibing@huawei.com Signed-off-by: Zheng Zengkai zhengzengkai@huawei.com --- drivers/net/ethernet/hisilicon/hns3/hnae3.h | 1 + .../net/ethernet/hisilicon/hns3/hns3_ethtool.c | 11 +++++------ .../ethernet/hisilicon/hns3/hns3pf/hclge_main.c | 16 ++++++++++------ 3 files changed, 16 insertions(+), 12 deletions(-)
diff --git a/drivers/net/ethernet/hisilicon/hns3/hnae3.h b/drivers/net/ethernet/hisilicon/hns3/hnae3.h index 1ea0e62230a2..bec3a6fe08ea 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hnae3.h +++ b/drivers/net/ethernet/hisilicon/hns3/hnae3.h @@ -223,6 +223,7 @@ enum hnae3_fec_mode { HNAE3_FEC_BASER, HNAE3_FEC_RS, HNAE3_FEC_LLRS, + HNAE3_FEC_NONE, HNAE3_FEC_USER_DEF, };
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c index 3725e261b9a7..3603506cc375 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c @@ -1612,10 +1612,8 @@ static unsigned int loc_to_eth_fec(u8 loc_fec) eth_fec |= ETHTOOL_FEC_LLRS; if (loc_fec & BIT(HNAE3_FEC_BASER)) eth_fec |= ETHTOOL_FEC_BASER; - - /* if nothing is set, then FEC is off */ - if (!eth_fec) - eth_fec = ETHTOOL_FEC_OFF; + if (loc_fec & BIT(HNAE3_FEC_NONE)) + eth_fec |= ETHTOOL_FEC_OFF;
return eth_fec; } @@ -1626,8 +1624,7 @@ static unsigned int eth_to_loc_fec(unsigned int eth_fec) u32 loc_fec = 0;
if (eth_fec & ETHTOOL_FEC_OFF) - return loc_fec; - + loc_fec |= BIT(HNAE3_FEC_NONE); if (eth_fec & ETHTOOL_FEC_AUTO) loc_fec |= BIT(HNAE3_FEC_AUTO); if (eth_fec & ETHTOOL_FEC_RS) @@ -1659,6 +1656,8 @@ static int hns3_get_fecparam(struct net_device *netdev,
fec->fec = loc_to_eth_fec(fec_ability); fec->active_fec = loc_to_eth_fec(fec_mode); + if (!fec->active_fec) + fec->active_fec = ETHTOOL_FEC_OFF;
return 0; } diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c index bec556c8254b..3a04351c2334 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c @@ -1008,6 +1008,7 @@ static void hclge_update_fec_support(struct hclge_mac *mac) linkmode_clear_bit(ETHTOOL_LINK_MODE_FEC_BASER_BIT, mac->supported); linkmode_clear_bit(ETHTOOL_LINK_MODE_FEC_RS_BIT, mac->supported); linkmode_clear_bit(ETHTOOL_LINK_MODE_FEC_LLRS_BIT, mac->supported); + linkmode_clear_bit(ETHTOOL_LINK_MODE_FEC_NONE_BIT, mac->supported);
if (mac->fec_ability & BIT(HNAE3_FEC_BASER)) linkmode_set_bit(ETHTOOL_LINK_MODE_FEC_BASER_BIT, @@ -1018,6 +1019,9 @@ static void hclge_update_fec_support(struct hclge_mac *mac) if (mac->fec_ability & BIT(HNAE3_FEC_LLRS)) linkmode_set_bit(ETHTOOL_LINK_MODE_FEC_LLRS_BIT, mac->supported); + if (mac->fec_ability & BIT(HNAE3_FEC_NONE)) + linkmode_set_bit(ETHTOOL_LINK_MODE_FEC_NONE_BIT, + mac->supported); }
static void hclge_convert_setting_sr(u16 speed_ability, @@ -1125,17 +1129,17 @@ static void hclge_convert_setting_fec(struct hclge_mac *mac) switch (mac->speed) { case HCLGE_MAC_SPEED_10G: case HCLGE_MAC_SPEED_40G: - mac->fec_ability = - BIT(HNAE3_FEC_BASER) | BIT(HNAE3_FEC_AUTO); + mac->fec_ability = BIT(HNAE3_FEC_BASER) | BIT(HNAE3_FEC_AUTO) | + BIT(HNAE3_FEC_NONE); break; case HCLGE_MAC_SPEED_25G: case HCLGE_MAC_SPEED_50G: - mac->fec_ability = - BIT(HNAE3_FEC_BASER) | BIT(HNAE3_FEC_RS) | - BIT(HNAE3_FEC_AUTO); + mac->fec_ability = BIT(HNAE3_FEC_BASER) | BIT(HNAE3_FEC_RS) | + BIT(HNAE3_FEC_AUTO) | BIT(HNAE3_FEC_NONE); break; case HCLGE_MAC_SPEED_100G: - mac->fec_ability = BIT(HNAE3_FEC_RS) | BIT(HNAE3_FEC_AUTO); + mac->fec_ability = BIT(HNAE3_FEC_RS) | BIT(HNAE3_FEC_AUTO) | + BIT(HNAE3_FEC_NONE); break; case HCLGE_MAC_SPEED_200G: mac->fec_ability = BIT(HNAE3_FEC_RS) | BIT(HNAE3_FEC_AUTO) |