1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright(c) 2009 - 2018 Intel Corporation. */
22  *  e1000_init_mac_params_vf - Inits MAC params
27 	struct e1000_mac_info *mac = &hw->mac;  in e1000_init_mac_params_vf()  local
29 	/* VF's have no MTA Registers - PF feature only */  in e1000_init_mac_params_vf()
30 	mac->mta_reg_count = 128;  in e1000_init_mac_params_vf()
32 	mac->rar_entry_count = 1;  in e1000_init_mac_params_vf()
36 	mac->ops.reset_hw = e1000_reset_hw_vf;  in e1000_init_mac_params_vf()
38 	mac->ops.init_hw = e1000_init_hw_vf;  in e1000_init_mac_params_vf()
40 	mac->ops.check_for_link = e1000_check_for_link_vf;  in e1000_init_mac_params_vf()
42 	mac->ops.get_link_up_info = e1000_get_link_up_info_vf;  in e1000_init_mac_params_vf()
43 	/* multicast address update */  in e1000_init_mac_params_vf()
44 	mac->ops.update_mc_addr_list = e1000_update_mc_addr_list_vf;  in e1000_init_mac_params_vf()
45 	/* set mac address */  in e1000_init_mac_params_vf()
46 	mac->ops.rar_set = e1000_rar_set_vf;  in e1000_init_mac_params_vf()
47 	/* read mac address */  in e1000_init_mac_params_vf()
48 	mac->ops.read_mac_addr = e1000_read_mac_addr_vf;  in e1000_init_mac_params_vf()
49 	/* set mac filter */  in e1000_init_mac_params_vf()
50 	mac->ops.set_uc_addr = e1000_set_uc_addr_vf;  in e1000_init_mac_params_vf()
52 	mac->ops.set_vfta = e1000_set_vfta_vf;  in e1000_init_mac_params_vf()
58  *  e1000_init_function_pointers_vf - Inits function pointers
63 	hw->mac.ops.init_params = e1000_init_mac_params_vf;  in e1000_init_function_pointers_vf()
64 	hw->mbx.ops.init_params = e1000_init_mbx_params_vf;  in e1000_init_function_pointers_vf()
68  *  e1000_get_link_up_info_vf - Gets link info.
98  *  e1000_reset_hw_vf - Resets the HW
106 	struct e1000_mbx_info *mbx = &hw->mbx;  in e1000_reset_hw_vf()
108 	u32 ret_val = -E1000_ERR_MAC_INIT;  in e1000_reset_hw_vf()
118 	while (!mbx->ops.check_for_rst(hw) && timeout) {  in e1000_reset_hw_vf()
119 		timeout--;  in e1000_reset_hw_vf()
125 		mbx->timeout = E1000_VF_MBX_INIT_TIMEOUT;  in e1000_reset_hw_vf()
129 		mbx->ops.write_posted(hw, msgbuf, 1);  in e1000_reset_hw_vf()
134 		ret_val = mbx->ops.read_posted(hw, msgbuf, 3);  in e1000_reset_hw_vf()
138 				memcpy(hw->mac.perm_addr, addr, ETH_ALEN);  in e1000_reset_hw_vf()
141 				eth_zero_addr(hw->mac.perm_addr);  in e1000_reset_hw_vf()
144 				ret_val = -E1000_ERR_MAC_INIT;  in e1000_reset_hw_vf()
153  *  e1000_init_hw_vf - Inits the HW
160 	/* attempt to set and restore our mac address */  in e1000_init_hw_vf()
161 	e1000_rar_set_vf(hw, hw->mac.addr, 0);  in e1000_init_hw_vf()
167  *  e1000_hash_mc_addr_vf - Generate a multicast hash value
169  *  @mc_addr: pointer to a multicast address
171  *  Generates a multicast address hash value which is used to determine
172  *  the multicast filter table array address and new table value.  See
181 	hash_mask = (hw->mac.mta_reg_count * 32) - 1;  in e1000_hash_mc_addr_vf()
183 	/* The bit_shift is the number of left-shifts  in e1000_hash_mc_addr_vf()
189 	hash_value = hash_mask & (((mc_addr[4] >> (8 - bit_shift)) |  in e1000_hash_mc_addr_vf()
196  *  e1000_update_mc_addr_list_vf - Update Multicast addresses
201  *  @rar_count: total number of supported Receive Address Registers
203  *  Updates the Receive Address Registers and Multicast Table Array.
205  *  The parameter rar_count will usually be hw->mac.rar_entry_count
212 	struct e1000_mbx_info *mbx = &hw->mbx;  in e1000_update_mc_addr_list_vf()
224 	 * It would be unusual for a server to request that many multi-cast  in e1000_update_mc_addr_list_vf()
238 	ret_val = mbx->ops.write_posted(hw, msgbuf, E1000_VFMAILBOX_SIZE);  in e1000_update_mc_addr_list_vf()
240 		mbx->ops.read_posted(hw, msgbuf, 1);  in e1000_update_mc_addr_list_vf()
244  *  e1000_set_vfta_vf - Set/Unset vlan filter table address
251 	struct e1000_mbx_info *mbx = &hw->mbx;  in e1000_set_vfta_vf()
261 	mbx->ops.write_posted(hw, msgbuf, 2);  in e1000_set_vfta_vf()
263 	err = mbx->ops.read_posted(hw, msgbuf, 2);  in e1000_set_vfta_vf()
269 		err = -E1000_ERR_MAC_INIT;  in e1000_set_vfta_vf()
275  *  e1000_rlpml_set_vf - Set the maximum receive packet length
281 	struct e1000_mbx_info *mbx = &hw->mbx;  in e1000_rlpml_set_vf()
288 	ret_val = mbx->ops.write_posted(hw, msgbuf, 2);  in e1000_rlpml_set_vf()
290 		mbx->ops.read_posted(hw, msgbuf, 1);  in e1000_rlpml_set_vf()
294  *  e1000_rar_set_vf - set device MAC address
296  *  @addr: pointer to the receive address
297  *  @index: receive address array register
301 	struct e1000_mbx_info *mbx = &hw->mbx;  in e1000_rar_set_vf()
309 	ret_val = mbx->ops.write_posted(hw, msgbuf, 3);  in e1000_rar_set_vf()
312 		ret_val = mbx->ops.read_posted(hw, msgbuf, 3);  in e1000_rar_set_vf()
316 	/* if nacked the address was rejected, use "perm_addr" */  in e1000_rar_set_vf()
323  *  e1000_read_mac_addr_vf - Read device MAC address
328 	memcpy(hw->mac.addr, hw->mac.perm_addr, ETH_ALEN);  in e1000_read_mac_addr_vf()
334  *  e1000_set_uc_addr_vf - Set or clear unicast filters
337  *  @addr: pointer to the filter MAC address
341 	struct e1000_mbx_info *mbx = &hw->mbx;  in e1000_set_uc_addr_vf()
354 	ret_val = mbx->ops.write_posted(hw, msgbuf, 3);  in e1000_set_uc_addr_vf()
357 		ret_val = mbx->ops.read_posted(hw, msgbuf, 3);  in e1000_set_uc_addr_vf()
365 			return -ENOSPC;  in e1000_set_uc_addr_vf()
372  *  e1000_check_for_link_vf - Check for link for a virtual interface
381 	struct e1000_mbx_info *mbx = &hw->mbx;  in e1000_check_for_link_vf()
382 	struct e1000_mac_info *mac = &hw->mac;  in e1000_check_for_link_vf()  local
392 	if (!mbx->ops.check_for_rst(hw) || !mbx->timeout)  in e1000_check_for_link_vf()
393 		mac->get_link_status = true;  in e1000_check_for_link_vf()
395 	if (!mac->get_link_status)  in e1000_check_for_link_vf()
405 	if (mbx->ops.read(hw, &in_msg, 1))  in e1000_check_for_link_vf()
412 			ret_val = -E1000_ERR_MAC_INIT;  in e1000_check_for_link_vf()
417 	if (!mbx->timeout) {  in e1000_check_for_link_vf()
418 		ret_val = -E1000_ERR_MAC_INIT;  in e1000_check_for_link_vf()
425 	mac->get_link_status = false;  in e1000_check_for_link_vf()