[PATCH net-next 13/17] net: hns: modify tcam table of mac mc-port

From: Salil Mehta
Date: Wed Nov 09 2016 - 13:17:13 EST


From: Qianqian Xie <xieqianqian@xxxxxxxxxx>

Little-endian is only supported by current tcam table to add
or delete mac mc-port. This patch makes it support both
Little-endian and Big-endian.

Signed-off-by: Qianqian Xie <xieqianqian@xxxxxxxxxx>
Reviewed-by: Yisen Zhuang <yisen.zhuang@xxxxxxxxxx>
Signed-off-by: Salil Mehta <salil.mehta@xxxxxxxxxx>
---
drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c | 18 +++++++++++++-----
1 file changed, 13 insertions(+), 5 deletions(-)

diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c
index bd6e5b0..27eb85c 100644
--- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c
+++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c
@@ -1688,6 +1688,7 @@ int hns_dsaf_add_mac_mc_port(struct dsaf_device *dsaf_dev,
struct dsaf_tbl_tcam_mcast_cfg mac_data;
struct dsaf_drv_priv *priv = hns_dsaf_dev_priv(dsaf_dev);
struct dsaf_drv_soft_mac_tbl *soft_mac_entry = priv->soft_mac_tbl;
+ struct dsaf_drv_tbl_tcam_key tmp_mac_key;
struct dsaf_tbl_tcam_data tcam_data;
u8 mc_addr[ETH_ALEN];
u8 *mc_mask;
@@ -1738,6 +1739,10 @@ int hns_dsaf_add_mac_mc_port(struct dsaf_device *dsaf_dev,
/* if exist, add in */
hns_dsaf_tcam_mc_get(dsaf_dev, entry_index, &tcam_data,
&mac_data);
+
+ tmp_mac_key.high.val =
+ le32_to_cpu(tcam_data.tbl_tcam_data_high);
+ tmp_mac_key.low.val = le32_to_cpu(tcam_data.tbl_tcam_data_low);
}

/* config hardware entry */
@@ -1762,8 +1767,8 @@ int hns_dsaf_add_mac_mc_port(struct dsaf_device *dsaf_dev,
dsaf_dev->ae_dev.name, mac_key.high.val,
mac_key.low.val, entry_index);

- tcam_data.tbl_tcam_data_high = mac_key.high.val;
- tcam_data.tbl_tcam_data_low = mac_key.low.val;
+ tcam_data.tbl_tcam_data_high = cpu_to_le32(mac_key.high.val);
+ tcam_data.tbl_tcam_data_low = cpu_to_le32(mac_key.low.val);

/* config mc entry with mask */
hns_dsaf_tcam_mc_cfg(dsaf_dev, entry_index, &tcam_data,
@@ -1847,7 +1852,7 @@ int hns_dsaf_del_mac_mc_port(struct dsaf_device *dsaf_dev,
struct dsaf_tbl_tcam_data tcam_data;
int mskid;
const u8 empty_msk[sizeof(mac_data.tbl_mcast_port_msk)] = {0};
- struct dsaf_drv_tbl_tcam_key mask_key;
+ struct dsaf_drv_tbl_tcam_key mask_key, tmp_mac_key;
struct dsaf_tbl_tcam_data *pmask_key = NULL;
u8 mc_addr[ETH_ALEN];
u8 *mc_mask;
@@ -1905,6 +1910,9 @@ int hns_dsaf_del_mac_mc_port(struct dsaf_device *dsaf_dev,
/* read entry */
hns_dsaf_tcam_mc_get(dsaf_dev, entry_index, &tcam_data, &mac_data);

+ tmp_mac_key.high.val = le32_to_cpu(tcam_data.tbl_tcam_data_high);
+ tmp_mac_key.low.val = le32_to_cpu(tcam_data.tbl_tcam_data_low);
+
/*del the port*/
if (mac_entry->port_num < DSAF_SERVICE_NW_NUM) {
mskid = mac_entry->port_num;
@@ -1929,8 +1937,8 @@ int hns_dsaf_del_mac_mc_port(struct dsaf_device *dsaf_dev,
soft_mac_entry += entry_index;
soft_mac_entry->index = DSAF_INVALID_ENTRY_IDX;
} else { /* not zero, just del port, update */
- tcam_data.tbl_tcam_data_high = mac_key.high.val;
- tcam_data.tbl_tcam_data_low = mac_key.low.val;
+ tcam_data.tbl_tcam_data_high = cpu_to_le32(mac_key.high.val);
+ tcam_data.tbl_tcam_data_low = cpu_to_le32(mac_key.low.val);

hns_dsaf_tcam_mc_cfg(dsaf_dev, entry_index,
&tcam_data,
--
1.7.9.5