[PATCH net 1/7] net: hibmcge: fix incorrect pause frame statistics issue

Jijie Shao
2025-04-02T13:46:10Z

The driver supports pause frames,
but does not pass pause frames based on rx pause enable configuration,
resulting in incorrect pause frame statistics.

This patch fixes this problem.

Fixes: 3a03763f3876 ("net: hibmcge: Add pauseparam supported in this module")
Signed-off-by: Jijie Shao <shaojijie@huawei.com>
---
drivers/net/ethernet/hisilicon/hibmcge/hbg_hw.c | 3 +++
drivers/net/ethernet/hisilicon/hibmcge/hbg_reg.h | 1 +
2 files changed, 4 insertions(+)

diff --git a/drivers/net/ethernet/hisilicon/hibmcge/hbg_hw.c b/drivers/net/ethernet/hisilicon/hibmcge/hbg_hw.c
index 74a18033b444..7d3bbd3e2adc 100644
--- a/drivers/net/ethernet/hisilicon/hibmcge/hbg_hw.c
+++ b/drivers/net/ethernet/hisilicon/hibmcge/hbg_hw.c
@@ -242,6 +242,9 @@ void hbg_hw_set_pause_enable(struct hbg_priv *priv, u32 tx_en, u32 rx_en)
HBG_REG_PAUSE_ENABLE_TX_B, tx_en);
hbg_reg_write_field(priv, HBG_REG_PAUSE_ENABLE_ADDR,
HBG_REG_PAUSE_ENABLE_RX_B, rx_en);
+
+ hbg_reg_write_field(priv, HBG_REG_REC_FILT_CTRL_ADDR,
+ HBG_REG_REC_FILT_CTRL_PAUSE_FRM_PASS_B, rx_en);
}

void hbg_hw_get_pause_enable(struct hbg_priv *priv, u32 *tx_en, u32 *rx_en)
diff --git a/drivers/net/ethernet/hisilicon/hibmcge/hbg_reg.h b/drivers/net/ethernet/hisilicon/hibmcge/hbg_reg.h
index cc2cc612770d..fd623cfd13de 100644
--- a/drivers/net/ethernet/hisilicon/hibmcge/hbg_reg.h
+++ b/drivers/net/ethernet/hisilicon/hibmcge/hbg_reg.h
@@ -68,6 +68,7 @@
#define HBG_REG_TRANSMIT_CTRL_AN_EN_B BIT(5)
#define HBG_REG_REC_FILT_CTRL_ADDR (HBG_REG_SGMII_BASE + 0x0064)
#define HBG_REG_REC_FILT_CTRL_UC_MATCH_EN_B BIT(0)
+#define HBG_REG_REC_FILT_CTRL_PAUSE_FRM_PASS_B BIT(4)
#define HBG_REG_RX_OCTETS_TOTAL_OK_ADDR (HBG_REG_SGMII_BASE + 0x0080)
#define HBG_REG_RX_OCTETS_BAD_ADDR (HBG_REG_SGMII_BASE + 0x0084)
#define HBG_REG_RX_UC_PKTS_ADDR (HBG_REG_SGMII_BASE + 0x0088)
--
2.33.0