p = (__be16 *)tag;
*p = htons(RTL4_A_ETHERTYPE);
- out = (RTL4_A_PROTOCOL_RTL8366RB << 12) | (2 << 8);
- /* The lower bits is the port number */
- out |= (u8)dp->index;
+ out = (RTL4_A_PROTOCOL_RTL8366RB << RTL4_A_PROTOCOL_SHIFT) | (2 << 8);
+ /* The lower bits indicate the port number */
+ out |= BIT(dp->index);
+
p = (__be16 *)(tag + 2);
*p = htons(out);