net: hns: Remove the redundant adding and deleting mac function

The functions (hns_dsaf_set_mac_mc_entry() and hns_mac_del_mac()) are
not called by any functions. They are dead code in hns. And the same
features are implemented by the patch (the id is 66355f52).
Reported-by: Weiwei Deng <dengweiwei@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>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c

@@ -332,44 +332,6 @@ int hns_mac_set_multi(struct hns_mac_cb *mac_cb,
 	return 0;
 }
 
-/**
- *hns_mac_del_mac - delete mac address into dsaf table,can't delete the same
- *                  address twice
- *@net_dev: net device
- *@vfn :   vf lan
- *@mac : mac address
- *return status
- */
-int hns_mac_del_mac(struct hns_mac_cb *mac_cb, u32 vfn, char *mac)
-{
-	struct mac_entry_idx *old_mac;
-	struct dsaf_device *dsaf_dev;
-	u32 ret;
-
-	dsaf_dev = mac_cb->dsaf_dev;
-
-	if (vfn < DSAF_MAX_VM_NUM) {
-		old_mac = &mac_cb->addr_entry_idx[vfn];
-	} else {
-		dev_err(mac_cb->dev,
-			"vf queue is too large, %s mac%d queue = %#x!\n",
-			mac_cb->dsaf_dev->ae_dev.name, mac_cb->mac_id, vfn);
-		return -EINVAL;
-	}
-
-	if (dsaf_dev) {
-		ret = hns_dsaf_del_mac_entry(dsaf_dev, old_mac->vlan_id,
-					     mac_cb->mac_id, old_mac->addr);
-		if (ret)
-			return ret;
-
-		if (memcmp(old_mac->addr, mac, sizeof(old_mac->addr)) == 0)
-			old_mac->valid = 0;
-	}
-
-	return 0;
-}
-
 int hns_mac_clr_multicast(struct hns_mac_cb *mac_cb, int vfn)
 {
 	struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev;

drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.h

@@ -436,7 +436,6 @@ int hns_mac_set_multi(struct hns_mac_cb *mac_cb,
 int hns_mac_vm_config_bc_en(struct hns_mac_cb *mac_cb, u32 vm, bool enable);
 void hns_mac_start(struct hns_mac_cb *mac_cb);
 void hns_mac_stop(struct hns_mac_cb *mac_cb);
-int hns_mac_del_mac(struct hns_mac_cb *mac_cb, u32 vfn, char *mac);
 void hns_mac_uninit(struct dsaf_device *dsaf_dev);
 void hns_mac_adjust_link(struct hns_mac_cb *mac_cb, int speed, int duplex);
 void hns_mac_reset(struct hns_mac_cb *mac_cb);

drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c

@@ -1647,87 +1647,6 @@ int hns_dsaf_rm_mac_addr(
 				      mac_entry->addr);
 }
 
-/**
- * hns_dsaf_set_mac_mc_entry - set mac mc-entry
- * @dsaf_dev: dsa fabric device struct pointer
- * @mac_entry: mc-mac entry
- */
-int hns_dsaf_set_mac_mc_entry(
-	struct dsaf_device *dsaf_dev,
-	struct dsaf_drv_mac_multi_dest_entry *mac_entry)
-{
-	u16 entry_index = DSAF_INVALID_ENTRY_IDX;
-	struct dsaf_drv_tbl_tcam_key mac_key;
-	struct dsaf_tbl_tcam_mcast_cfg mac_data;
-	struct dsaf_drv_priv *priv =
-	    (struct dsaf_drv_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;
-
-	/* mac addr check */
-	if (MAC_IS_ALL_ZEROS(mac_entry->addr)) {
-		dev_err(dsaf_dev->dev, "set uc %s Mac %pM err!\n",
-			dsaf_dev->ae_dev.name, mac_entry->addr);
-		return -EINVAL;
-	}
-
-	/*config key */
-	hns_dsaf_set_mac_key(dsaf_dev, &mac_key,
-			     mac_entry->in_vlan_id,
-			     mac_entry->in_port_num, mac_entry->addr);
-
-	/* entry ie exist? */
-	entry_index = hns_dsaf_find_soft_mac_entry(dsaf_dev, &mac_key);
-	if (entry_index == DSAF_INVALID_ENTRY_IDX) {
-		/*if hasnot, find enpty entry*/
-		entry_index = hns_dsaf_find_empty_mac_entry(dsaf_dev);
-		if (entry_index == DSAF_INVALID_ENTRY_IDX) {
-			/*if hasnot empty, error*/
-			dev_err(dsaf_dev->dev,
-				"set_uc_entry failed, %s Mac key(%#x:%#x)\n",
-				dsaf_dev->ae_dev.name,
-				mac_key.high.val, mac_key.low.val);
-			return -EINVAL;
-		}
-
-		/* config hardware entry */
-		memset(mac_data.tbl_mcast_port_msk,
-		       0, sizeof(mac_data.tbl_mcast_port_msk));
-	} else {
-		/* config hardware 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);
-	}
-	mac_data.tbl_mcast_old_en = 0;
-	mac_data.tbl_mcast_item_vld = 1;
-	dsaf_set_field(mac_data.tbl_mcast_port_msk[0],
-		       0x3F, 0, mac_entry->port_mask[0]);
-
-	dev_dbg(dsaf_dev->dev,
-		"set_uc_entry, %s key(%#x:%#x) entry_index%d\n",
-		dsaf_dev->ae_dev.name, mac_key.high.val,
-		mac_key.low.val, entry_index);
-
-	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, NULL,
-			     &mac_data);
-
-	/* config software entry */
-	soft_mac_entry += entry_index;
-	soft_mac_entry->index = entry_index;
-	soft_mac_entry->tcam_key.high.val = mac_key.high.val;
-	soft_mac_entry->tcam_key.low.val = mac_key.low.val;
-
-	return 0;
-}
-
 static void hns_dsaf_mc_mask_bit_clear(char *dst, const char *src)
 {
 	u16 *a = (u16 *)dst;

drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.h

@@ -429,8 +429,6 @@ static inline struct hnae_vf_cb *hns_ae_get_vf_cb(
 
 int hns_dsaf_set_mac_uc_entry(struct dsaf_device *dsaf_dev,
 			      struct dsaf_drv_mac_single_dest_entry *mac_entry);
-int hns_dsaf_set_mac_mc_entry(struct dsaf_device *dsaf_dev,
-			      struct dsaf_drv_mac_multi_dest_entry *mac_entry);
 int hns_dsaf_add_mac_mc_port(struct dsaf_device *dsaf_dev,
 			     struct dsaf_drv_mac_single_dest_entry *mac_entry);
 int hns_dsaf_del_mac_entry(struct dsaf_device *dsaf_dev, u16 vlan_id,