-/**
- * igb_update_mc_addr_list - Update Multicast addresses
- * @hw: pointer to the HW structure
- * @mc_addr_list: array of multicast addresses to program
- * @mc_addr_count: number of multicast addresses to program
- * @rar_used_count: the first RAR register free to program
- * @rar_count: total number of supported Receive Address Registers
- *
- * Updates the Receive Address Registers and Multicast Table Array.
- * The caller must have a packed mc_addr_list of multicast addresses.
- * The parameter rar_count will usually be hw->mac.rar_entry_count
- * unless there are workarounds that change this.
- **/
-void igb_update_mc_addr_list(struct e1000_hw *hw,
- u8 *mc_addr_list, u32 mc_addr_count,
- u32 rar_used_count, u32 rar_count)
-{
- u32 hash_value;
- u32 i;
-
- /*
- * Load the first set of multicast addresses into the exact
- * filters (RAR). If there are not enough to fill the RAR
- * array, clear the filters.
- */
- for (i = rar_used_count; i < rar_count; i++) {
- if (mc_addr_count) {
- hw->mac.ops.rar_set(hw, mc_addr_list, i);
- mc_addr_count--;
- mc_addr_list += ETH_ALEN;
- } else {
- array_wr32(E1000_RA, i << 1, 0);
- wrfl();
- array_wr32(E1000_RA, (i << 1) + 1, 0);
- wrfl();
- }
- }
-
- /* Clear the old settings from the MTA */
- hw_dbg("Clearing MTA\n");
- for (i = 0; i < hw->mac.mta_reg_count; i++) {
- array_wr32(E1000_MTA, i, 0);
- wrfl();
- }
-
- /* Load any remaining multicast addresses into the hash table. */
- for (; mc_addr_count > 0; mc_addr_count--) {
- hash_value = igb_hash_mc_addr(hw, mc_addr_list);
- hw_dbg("Hash value = 0x%03X\n", hash_value);
- igb_mta_set(hw, hash_value);
- mc_addr_list += ETH_ALEN;
- }
-}
-