[PATCH V2 net 4/6] net: hns: adds uc match for debug port

From: Daode Huang
Date: Fri Mar 11 2016 - 03:52:31 EST


This patch adds uc match for debug port by:
1)Enables uc match of debug port when initializing gmac
2)Enables uc match of mac address register2

Signed-off-by: Daode Huang <huangdaode@xxxxxxxxxxxxx>
Signed-off-by: Peng Li <lipeng321@xxxxxxxxxx>
---
changlog:
v2: fix the SoB name and code sytle according to Sergei .
---
drivers/net/ethernet/hisilicon/hns/hns_dsaf_gmac.c | 18 +++++++++++++++++-
drivers/net/ethernet/hisilicon/hns/hns_dsaf_reg.h | 2 ++
2 files changed, 19 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_gmac.c b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_gmac.c
index b8517b0..2591a51 100644
--- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_gmac.c
+++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_gmac.c
@@ -290,6 +290,16 @@ static int hns_gmac_adjust_link(void *mac_drv, enum mac_speed speed,
return 0;
}

+static void hns_gmac_set_uc_match(void *mac_drv, u16 en)
+{
+ struct mac_driver *drv = (struct mac_driver *)mac_drv;
+
+ dsaf_set_dev_bit(drv, GMAC_REC_FILT_CONTROL_REG,
+ GMAC_UC_MATCH_EN_B, !en);
+ dsaf_set_dev_bit(drv, GMAC_STATION_ADDR_HIGH_2_REG,
+ GMAC_ADDR_EN_B, !en);
+}
+
static void hns_gmac_init(void *mac_drv)
{
u32 port;
@@ -305,6 +315,8 @@ static void hns_gmac_init(void *mac_drv)
mdelay(10);
hns_gmac_disable(mac_drv, MAC_COMM_MODE_RX_AND_TX);
hns_gmac_tx_loop_pkt_dis(mac_drv);
+ if (drv->mac_cb->mac_type == HNAE_PORT_DEBUG)
+ hns_gmac_set_uc_match(mac_drv, 0);
}

void hns_gmac_update_stats(void *mac_drv)
@@ -407,8 +419,12 @@ static void hns_gmac_set_mac_addr(void *mac_drv, char *mac_addr)

u32 low_val = mac_addr[5] | (mac_addr[4] << 8)
| (mac_addr[3] << 16) | (mac_addr[2] << 24);
+
+ u32 val = dsaf_read_dev(drv, GMAC_STATION_ADDR_HIGH_2_REG);
+ u32 sta_addr_en = dsaf_get_bit(val, GMAC_ADDR_EN_B);
dsaf_write_dev(drv, GMAC_STATION_ADDR_LOW_2_REG, low_val);
- dsaf_write_dev(drv, GMAC_STATION_ADDR_HIGH_2_REG, high_val);
+ dsaf_write_dev(drv, GMAC_STATION_ADDR_HIGH_2_REG,
+ high_val | (sta_addr_en << GMAC_ADDR_EN_B));
}
}

diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_reg.h b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_reg.h
index 60d695d..bf62687 100644
--- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_reg.h
+++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_reg.h
@@ -922,6 +922,8 @@
#define GMAC_LP_REG_CF2MI_LP_EN_B 2

#define GMAC_MODE_CHANGE_EB_B 0
+#define GMAC_UC_MATCH_EN_B 0
+#define GMAC_ADDR_EN_B 16

#define GMAC_RECV_CTRL_STRIP_PAD_EN_B 3
#define GMAC_RECV_CTRL_RUNT_PKT_EN_B 4
--
1.9.1