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v3.15
  1/*******************************************************************************
  2 *
  3 * Intel Ethernet Controller XL710 Family Linux Virtual Function Driver
  4 * Copyright(c) 2013 Intel Corporation.
  5 *
  6 * This program is free software; you can redistribute it and/or modify it
  7 * under the terms and conditions of the GNU General Public License,
  8 * version 2, as published by the Free Software Foundation.
  9 *
 10 * This program is distributed in the hope it will be useful, but WITHOUT
 11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 12 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 13 * more details.
 14 *
 
 
 
 15 * The full GNU General Public License is included in this distribution in
 16 * the file called "COPYING".
 17 *
 18 * Contact Information:
 19 * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
 20 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
 21 *
 22 ******************************************************************************/
 23
 24#include "i40e_type.h"
 25#include "i40e_adminq.h"
 26#include "i40e_prototype.h"
 27#include "i40e_virtchnl.h"
 28
 29/**
 30 * i40e_set_mac_type - Sets MAC type
 31 * @hw: pointer to the HW structure
 32 *
 33 * This function sets the mac type of the adapter based on the
 34 * vendor ID and device ID stored in the hw structure.
 35 **/
 36i40e_status i40e_set_mac_type(struct i40e_hw *hw)
 37{
 38	i40e_status status = 0;
 39
 40	if (hw->vendor_id == PCI_VENDOR_ID_INTEL) {
 41		switch (hw->device_id) {
 42		case I40E_DEV_ID_SFP_XL710:
 43		case I40E_DEV_ID_SFP_X710:
 44		case I40E_DEV_ID_QEMU:
 45		case I40E_DEV_ID_KX_A:
 46		case I40E_DEV_ID_KX_B:
 47		case I40E_DEV_ID_KX_C:
 48		case I40E_DEV_ID_KX_D:
 49		case I40E_DEV_ID_QSFP_A:
 50		case I40E_DEV_ID_QSFP_B:
 51		case I40E_DEV_ID_QSFP_C:
 
 
 
 
 
 
 52			hw->mac.type = I40E_MAC_XL710;
 53			break;
 
 
 
 
 
 
 
 
 
 
 54		case I40E_DEV_ID_VF:
 55		case I40E_DEV_ID_VF_HV:
 56			hw->mac.type = I40E_MAC_VF;
 57			break;
 58		default:
 59			hw->mac.type = I40E_MAC_GENERIC;
 60			break;
 61		}
 62	} else {
 63		status = I40E_ERR_DEVICE_NOT_SUPPORTED;
 64	}
 65
 66	hw_dbg(hw, "i40e_set_mac_type found mac: %d, returns: %d\n",
 67		  hw->mac.type, status);
 68	return status;
 69}
 70
 71/**
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 72 * i40evf_debug_aq
 73 * @hw: debug mask related to admin queue
 74 * @mask: debug mask
 75 * @desc: pointer to admin queue descriptor
 76 * @buffer: pointer to command buffer
 
 77 *
 78 * Dumps debug log about adminq command with descriptor contents.
 79 **/
 80void i40evf_debug_aq(struct i40e_hw *hw, enum i40e_debug_mask mask, void *desc,
 81		   void *buffer)
 82{
 83	struct i40e_aq_desc *aq_desc = (struct i40e_aq_desc *)desc;
 84	u8 *aq_buffer = (u8 *)buffer;
 85	u32 data[4];
 86	u32 i = 0;
 87
 88	if ((!(mask & hw->debug_mask)) || (desc == NULL))
 89		return;
 90
 91	i40e_debug(hw, mask,
 92		   "AQ CMD: opcode 0x%04X, flags 0x%04X, datalen 0x%04X, retval 0x%04X\n",
 93		   aq_desc->opcode, aq_desc->flags, aq_desc->datalen,
 94		   aq_desc->retval);
 
 
 95	i40e_debug(hw, mask, "\tcookie (h,l) 0x%08X 0x%08X\n",
 96		   aq_desc->cookie_high, aq_desc->cookie_low);
 
 97	i40e_debug(hw, mask, "\tparam (0,1)  0x%08X 0x%08X\n",
 98		   aq_desc->params.internal.param0,
 99		   aq_desc->params.internal.param1);
100	i40e_debug(hw, mask, "\taddr (h,l)   0x%08X 0x%08X\n",
101		   aq_desc->params.external.addr_high,
102		   aq_desc->params.external.addr_low);
103
104	if ((buffer != NULL) && (aq_desc->datalen != 0)) {
105		memset(data, 0, sizeof(data));
 
106		i40e_debug(hw, mask, "AQ CMD Buffer:\n");
107		for (i = 0; i < le16_to_cpu(aq_desc->datalen); i++) {
108			data[((i % 16) / 4)] |=
109				((u32)aq_buffer[i]) << (8 * (i % 4));
110			if ((i % 16) == 15) {
111				i40e_debug(hw, mask,
112					   "\t0x%04X  %08X %08X %08X %08X\n",
113					   i - 15, data[0], data[1], data[2],
114					   data[3]);
115				memset(data, 0, sizeof(data));
116			}
117		}
118		if ((i % 16) != 0)
119			i40e_debug(hw, mask, "\t0x%04X  %08X %08X %08X %08X\n",
120				   i - (i % 16), data[0], data[1], data[2],
121				   data[3]);
122	}
123}
124
125/**
126 * i40evf_check_asq_alive
127 * @hw: pointer to the hw struct
128 *
129 * Returns true if Queue is enabled else false.
130 **/
131bool i40evf_check_asq_alive(struct i40e_hw *hw)
132{
133	return !!(rd32(hw, hw->aq.asq.len) & I40E_PF_ATQLEN_ATQENABLE_MASK);
 
 
 
 
134}
135
136/**
137 * i40evf_aq_queue_shutdown
138 * @hw: pointer to the hw struct
139 * @unloading: is the driver unloading itself
140 *
141 * Tell the Firmware that we're shutting down the AdminQ and whether
142 * or not the driver is unloading as well.
143 **/
144i40e_status i40evf_aq_queue_shutdown(struct i40e_hw *hw,
145					     bool unloading)
146{
147	struct i40e_aq_desc desc;
148	struct i40e_aqc_queue_shutdown *cmd =
149		(struct i40e_aqc_queue_shutdown *)&desc.params.raw;
150	i40e_status status;
151
152	i40evf_fill_default_direct_cmd_desc(&desc,
153					  i40e_aqc_opc_queue_shutdown);
154
155	if (unloading)
156		cmd->driver_unloading = cpu_to_le32(I40E_AQ_DRIVER_UNLOADING);
157	status = i40evf_asq_send_command(hw, &desc, NULL, 0, NULL);
158
159	return status;
160}
161
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
162
163/* The i40evf_ptype_lookup table is used to convert from the 8-bit ptype in the
164 * hardware to a bit-field that can be used by SW to more easily determine the
165 * packet type.
166 *
167 * Macros are used to shorten the table lines and make this table human
168 * readable.
169 *
170 * We store the PTYPE in the top byte of the bit field - this is just so that
171 * we can check that the table doesn't have a row missing, as the index into
172 * the table should be the PTYPE.
173 *
174 * Typical work flow:
175 *
176 * IF NOT i40evf_ptype_lookup[ptype].known
177 * THEN
178 *      Packet is unknown
179 * ELSE IF i40evf_ptype_lookup[ptype].outer_ip == I40E_RX_PTYPE_OUTER_IP
180 *      Use the rest of the fields to look at the tunnels, inner protocols, etc
181 * ELSE
182 *      Use the enum i40e_rx_l2_ptype to decode the packet type
183 * ENDIF
184 */
185
186/* macro to make the table lines short */
187#define I40E_PTT(PTYPE, OUTER_IP, OUTER_IP_VER, OUTER_FRAG, T, TE, TEF, I, PL)\
188	{	PTYPE, \
189		1, \
190		I40E_RX_PTYPE_OUTER_##OUTER_IP, \
191		I40E_RX_PTYPE_OUTER_##OUTER_IP_VER, \
192		I40E_RX_PTYPE_##OUTER_FRAG, \
193		I40E_RX_PTYPE_TUNNEL_##T, \
194		I40E_RX_PTYPE_TUNNEL_END_##TE, \
195		I40E_RX_PTYPE_##TEF, \
196		I40E_RX_PTYPE_INNER_PROT_##I, \
197		I40E_RX_PTYPE_PAYLOAD_LAYER_##PL }
198
199#define I40E_PTT_UNUSED_ENTRY(PTYPE) \
200		{ PTYPE, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
201
202/* shorter macros makes the table fit but are terse */
203#define I40E_RX_PTYPE_NOF		I40E_RX_PTYPE_NOT_FRAG
204#define I40E_RX_PTYPE_FRG		I40E_RX_PTYPE_FRAG
205#define I40E_RX_PTYPE_INNER_PROT_TS	I40E_RX_PTYPE_INNER_PROT_TIMESYNC
206
207/* Lookup table mapping the HW PTYPE to the bit field for decoding */
208struct i40e_rx_ptype_decoded i40evf_ptype_lookup[] = {
209	/* L2 Packet types */
210	I40E_PTT_UNUSED_ENTRY(0),
211	I40E_PTT(1,  L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY2),
212	I40E_PTT(2,  L2, NONE, NOF, NONE, NONE, NOF, TS,   PAY2),
213	I40E_PTT(3,  L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY2),
214	I40E_PTT_UNUSED_ENTRY(4),
215	I40E_PTT_UNUSED_ENTRY(5),
216	I40E_PTT(6,  L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY2),
217	I40E_PTT(7,  L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY2),
218	I40E_PTT_UNUSED_ENTRY(8),
219	I40E_PTT_UNUSED_ENTRY(9),
220	I40E_PTT(10, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY2),
221	I40E_PTT(11, L2, NONE, NOF, NONE, NONE, NOF, NONE, NONE),
222	I40E_PTT(12, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3),
223	I40E_PTT(13, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3),
224	I40E_PTT(14, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3),
225	I40E_PTT(15, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3),
226	I40E_PTT(16, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3),
227	I40E_PTT(17, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3),
228	I40E_PTT(18, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3),
229	I40E_PTT(19, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3),
230	I40E_PTT(20, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3),
231	I40E_PTT(21, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3),
232
233	/* Non Tunneled IPv4 */
234	I40E_PTT(22, IP, IPV4, FRG, NONE, NONE, NOF, NONE, PAY3),
235	I40E_PTT(23, IP, IPV4, NOF, NONE, NONE, NOF, NONE, PAY3),
236	I40E_PTT(24, IP, IPV4, NOF, NONE, NONE, NOF, UDP,  PAY4),
237	I40E_PTT_UNUSED_ENTRY(25),
238	I40E_PTT(26, IP, IPV4, NOF, NONE, NONE, NOF, TCP,  PAY4),
239	I40E_PTT(27, IP, IPV4, NOF, NONE, NONE, NOF, SCTP, PAY4),
240	I40E_PTT(28, IP, IPV4, NOF, NONE, NONE, NOF, ICMP, PAY4),
241
242	/* IPv4 --> IPv4 */
243	I40E_PTT(29, IP, IPV4, NOF, IP_IP, IPV4, FRG, NONE, PAY3),
244	I40E_PTT(30, IP, IPV4, NOF, IP_IP, IPV4, NOF, NONE, PAY3),
245	I40E_PTT(31, IP, IPV4, NOF, IP_IP, IPV4, NOF, UDP,  PAY4),
246	I40E_PTT_UNUSED_ENTRY(32),
247	I40E_PTT(33, IP, IPV4, NOF, IP_IP, IPV4, NOF, TCP,  PAY4),
248	I40E_PTT(34, IP, IPV4, NOF, IP_IP, IPV4, NOF, SCTP, PAY4),
249	I40E_PTT(35, IP, IPV4, NOF, IP_IP, IPV4, NOF, ICMP, PAY4),
250
251	/* IPv4 --> IPv6 */
252	I40E_PTT(36, IP, IPV4, NOF, IP_IP, IPV6, FRG, NONE, PAY3),
253	I40E_PTT(37, IP, IPV4, NOF, IP_IP, IPV6, NOF, NONE, PAY3),
254	I40E_PTT(38, IP, IPV4, NOF, IP_IP, IPV6, NOF, UDP,  PAY4),
255	I40E_PTT_UNUSED_ENTRY(39),
256	I40E_PTT(40, IP, IPV4, NOF, IP_IP, IPV6, NOF, TCP,  PAY4),
257	I40E_PTT(41, IP, IPV4, NOF, IP_IP, IPV6, NOF, SCTP, PAY4),
258	I40E_PTT(42, IP, IPV4, NOF, IP_IP, IPV6, NOF, ICMP, PAY4),
259
260	/* IPv4 --> GRE/NAT */
261	I40E_PTT(43, IP, IPV4, NOF, IP_GRENAT, NONE, NOF, NONE, PAY3),
262
263	/* IPv4 --> GRE/NAT --> IPv4 */
264	I40E_PTT(44, IP, IPV4, NOF, IP_GRENAT, IPV4, FRG, NONE, PAY3),
265	I40E_PTT(45, IP, IPV4, NOF, IP_GRENAT, IPV4, NOF, NONE, PAY3),
266	I40E_PTT(46, IP, IPV4, NOF, IP_GRENAT, IPV4, NOF, UDP,  PAY4),
267	I40E_PTT_UNUSED_ENTRY(47),
268	I40E_PTT(48, IP, IPV4, NOF, IP_GRENAT, IPV4, NOF, TCP,  PAY4),
269	I40E_PTT(49, IP, IPV4, NOF, IP_GRENAT, IPV4, NOF, SCTP, PAY4),
270	I40E_PTT(50, IP, IPV4, NOF, IP_GRENAT, IPV4, NOF, ICMP, PAY4),
271
272	/* IPv4 --> GRE/NAT --> IPv6 */
273	I40E_PTT(51, IP, IPV4, NOF, IP_GRENAT, IPV6, FRG, NONE, PAY3),
274	I40E_PTT(52, IP, IPV4, NOF, IP_GRENAT, IPV6, NOF, NONE, PAY3),
275	I40E_PTT(53, IP, IPV4, NOF, IP_GRENAT, IPV6, NOF, UDP,  PAY4),
276	I40E_PTT_UNUSED_ENTRY(54),
277	I40E_PTT(55, IP, IPV4, NOF, IP_GRENAT, IPV6, NOF, TCP,  PAY4),
278	I40E_PTT(56, IP, IPV4, NOF, IP_GRENAT, IPV6, NOF, SCTP, PAY4),
279	I40E_PTT(57, IP, IPV4, NOF, IP_GRENAT, IPV6, NOF, ICMP, PAY4),
280
281	/* IPv4 --> GRE/NAT --> MAC */
282	I40E_PTT(58, IP, IPV4, NOF, IP_GRENAT_MAC, NONE, NOF, NONE, PAY3),
283
284	/* IPv4 --> GRE/NAT --> MAC --> IPv4 */
285	I40E_PTT(59, IP, IPV4, NOF, IP_GRENAT_MAC, IPV4, FRG, NONE, PAY3),
286	I40E_PTT(60, IP, IPV4, NOF, IP_GRENAT_MAC, IPV4, NOF, NONE, PAY3),
287	I40E_PTT(61, IP, IPV4, NOF, IP_GRENAT_MAC, IPV4, NOF, UDP,  PAY4),
288	I40E_PTT_UNUSED_ENTRY(62),
289	I40E_PTT(63, IP, IPV4, NOF, IP_GRENAT_MAC, IPV4, NOF, TCP,  PAY4),
290	I40E_PTT(64, IP, IPV4, NOF, IP_GRENAT_MAC, IPV4, NOF, SCTP, PAY4),
291	I40E_PTT(65, IP, IPV4, NOF, IP_GRENAT_MAC, IPV4, NOF, ICMP, PAY4),
292
293	/* IPv4 --> GRE/NAT -> MAC --> IPv6 */
294	I40E_PTT(66, IP, IPV4, NOF, IP_GRENAT_MAC, IPV6, FRG, NONE, PAY3),
295	I40E_PTT(67, IP, IPV4, NOF, IP_GRENAT_MAC, IPV6, NOF, NONE, PAY3),
296	I40E_PTT(68, IP, IPV4, NOF, IP_GRENAT_MAC, IPV6, NOF, UDP,  PAY4),
297	I40E_PTT_UNUSED_ENTRY(69),
298	I40E_PTT(70, IP, IPV4, NOF, IP_GRENAT_MAC, IPV6, NOF, TCP,  PAY4),
299	I40E_PTT(71, IP, IPV4, NOF, IP_GRENAT_MAC, IPV6, NOF, SCTP, PAY4),
300	I40E_PTT(72, IP, IPV4, NOF, IP_GRENAT_MAC, IPV6, NOF, ICMP, PAY4),
301
302	/* IPv4 --> GRE/NAT --> MAC/VLAN */
303	I40E_PTT(73, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, NONE, NOF, NONE, PAY3),
304
305	/* IPv4 ---> GRE/NAT -> MAC/VLAN --> IPv4 */
306	I40E_PTT(74, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV4, FRG, NONE, PAY3),
307	I40E_PTT(75, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, NONE, PAY3),
308	I40E_PTT(76, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, UDP,  PAY4),
309	I40E_PTT_UNUSED_ENTRY(77),
310	I40E_PTT(78, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, TCP,  PAY4),
311	I40E_PTT(79, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, SCTP, PAY4),
312	I40E_PTT(80, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, ICMP, PAY4),
313
314	/* IPv4 -> GRE/NAT -> MAC/VLAN --> IPv6 */
315	I40E_PTT(81, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV6, FRG, NONE, PAY3),
316	I40E_PTT(82, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, NONE, PAY3),
317	I40E_PTT(83, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, UDP,  PAY4),
318	I40E_PTT_UNUSED_ENTRY(84),
319	I40E_PTT(85, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, TCP,  PAY4),
320	I40E_PTT(86, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, SCTP, PAY4),
321	I40E_PTT(87, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, ICMP, PAY4),
322
323	/* Non Tunneled IPv6 */
324	I40E_PTT(88, IP, IPV6, FRG, NONE, NONE, NOF, NONE, PAY3),
325	I40E_PTT(89, IP, IPV6, NOF, NONE, NONE, NOF, NONE, PAY3),
326	I40E_PTT(90, IP, IPV6, NOF, NONE, NONE, NOF, UDP,  PAY3),
327	I40E_PTT_UNUSED_ENTRY(91),
328	I40E_PTT(92, IP, IPV6, NOF, NONE, NONE, NOF, TCP,  PAY4),
329	I40E_PTT(93, IP, IPV6, NOF, NONE, NONE, NOF, SCTP, PAY4),
330	I40E_PTT(94, IP, IPV6, NOF, NONE, NONE, NOF, ICMP, PAY4),
331
332	/* IPv6 --> IPv4 */
333	I40E_PTT(95,  IP, IPV6, NOF, IP_IP, IPV4, FRG, NONE, PAY3),
334	I40E_PTT(96,  IP, IPV6, NOF, IP_IP, IPV4, NOF, NONE, PAY3),
335	I40E_PTT(97,  IP, IPV6, NOF, IP_IP, IPV4, NOF, UDP,  PAY4),
336	I40E_PTT_UNUSED_ENTRY(98),
337	I40E_PTT(99,  IP, IPV6, NOF, IP_IP, IPV4, NOF, TCP,  PAY4),
338	I40E_PTT(100, IP, IPV6, NOF, IP_IP, IPV4, NOF, SCTP, PAY4),
339	I40E_PTT(101, IP, IPV6, NOF, IP_IP, IPV4, NOF, ICMP, PAY4),
340
341	/* IPv6 --> IPv6 */
342	I40E_PTT(102, IP, IPV6, NOF, IP_IP, IPV6, FRG, NONE, PAY3),
343	I40E_PTT(103, IP, IPV6, NOF, IP_IP, IPV6, NOF, NONE, PAY3),
344	I40E_PTT(104, IP, IPV6, NOF, IP_IP, IPV6, NOF, UDP,  PAY4),
345	I40E_PTT_UNUSED_ENTRY(105),
346	I40E_PTT(106, IP, IPV6, NOF, IP_IP, IPV6, NOF, TCP,  PAY4),
347	I40E_PTT(107, IP, IPV6, NOF, IP_IP, IPV6, NOF, SCTP, PAY4),
348	I40E_PTT(108, IP, IPV6, NOF, IP_IP, IPV6, NOF, ICMP, PAY4),
349
350	/* IPv6 --> GRE/NAT */
351	I40E_PTT(109, IP, IPV6, NOF, IP_GRENAT, NONE, NOF, NONE, PAY3),
352
353	/* IPv6 --> GRE/NAT -> IPv4 */
354	I40E_PTT(110, IP, IPV6, NOF, IP_GRENAT, IPV4, FRG, NONE, PAY3),
355	I40E_PTT(111, IP, IPV6, NOF, IP_GRENAT, IPV4, NOF, NONE, PAY3),
356	I40E_PTT(112, IP, IPV6, NOF, IP_GRENAT, IPV4, NOF, UDP,  PAY4),
357	I40E_PTT_UNUSED_ENTRY(113),
358	I40E_PTT(114, IP, IPV6, NOF, IP_GRENAT, IPV4, NOF, TCP,  PAY4),
359	I40E_PTT(115, IP, IPV6, NOF, IP_GRENAT, IPV4, NOF, SCTP, PAY4),
360	I40E_PTT(116, IP, IPV6, NOF, IP_GRENAT, IPV4, NOF, ICMP, PAY4),
361
362	/* IPv6 --> GRE/NAT -> IPv6 */
363	I40E_PTT(117, IP, IPV6, NOF, IP_GRENAT, IPV6, FRG, NONE, PAY3),
364	I40E_PTT(118, IP, IPV6, NOF, IP_GRENAT, IPV6, NOF, NONE, PAY3),
365	I40E_PTT(119, IP, IPV6, NOF, IP_GRENAT, IPV6, NOF, UDP,  PAY4),
366	I40E_PTT_UNUSED_ENTRY(120),
367	I40E_PTT(121, IP, IPV6, NOF, IP_GRENAT, IPV6, NOF, TCP,  PAY4),
368	I40E_PTT(122, IP, IPV6, NOF, IP_GRENAT, IPV6, NOF, SCTP, PAY4),
369	I40E_PTT(123, IP, IPV6, NOF, IP_GRENAT, IPV6, NOF, ICMP, PAY4),
370
371	/* IPv6 --> GRE/NAT -> MAC */
372	I40E_PTT(124, IP, IPV6, NOF, IP_GRENAT_MAC, NONE, NOF, NONE, PAY3),
373
374	/* IPv6 --> GRE/NAT -> MAC -> IPv4 */
375	I40E_PTT(125, IP, IPV6, NOF, IP_GRENAT_MAC, IPV4, FRG, NONE, PAY3),
376	I40E_PTT(126, IP, IPV6, NOF, IP_GRENAT_MAC, IPV4, NOF, NONE, PAY3),
377	I40E_PTT(127, IP, IPV6, NOF, IP_GRENAT_MAC, IPV4, NOF, UDP,  PAY4),
378	I40E_PTT_UNUSED_ENTRY(128),
379	I40E_PTT(129, IP, IPV6, NOF, IP_GRENAT_MAC, IPV4, NOF, TCP,  PAY4),
380	I40E_PTT(130, IP, IPV6, NOF, IP_GRENAT_MAC, IPV4, NOF, SCTP, PAY4),
381	I40E_PTT(131, IP, IPV6, NOF, IP_GRENAT_MAC, IPV4, NOF, ICMP, PAY4),
382
383	/* IPv6 --> GRE/NAT -> MAC -> IPv6 */
384	I40E_PTT(132, IP, IPV6, NOF, IP_GRENAT_MAC, IPV6, FRG, NONE, PAY3),
385	I40E_PTT(133, IP, IPV6, NOF, IP_GRENAT_MAC, IPV6, NOF, NONE, PAY3),
386	I40E_PTT(134, IP, IPV6, NOF, IP_GRENAT_MAC, IPV6, NOF, UDP,  PAY4),
387	I40E_PTT_UNUSED_ENTRY(135),
388	I40E_PTT(136, IP, IPV6, NOF, IP_GRENAT_MAC, IPV6, NOF, TCP,  PAY4),
389	I40E_PTT(137, IP, IPV6, NOF, IP_GRENAT_MAC, IPV6, NOF, SCTP, PAY4),
390	I40E_PTT(138, IP, IPV6, NOF, IP_GRENAT_MAC, IPV6, NOF, ICMP, PAY4),
391
392	/* IPv6 --> GRE/NAT -> MAC/VLAN */
393	I40E_PTT(139, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, NONE, NOF, NONE, PAY3),
394
395	/* IPv6 --> GRE/NAT -> MAC/VLAN --> IPv4 */
396	I40E_PTT(140, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV4, FRG, NONE, PAY3),
397	I40E_PTT(141, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, NONE, PAY3),
398	I40E_PTT(142, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, UDP,  PAY4),
399	I40E_PTT_UNUSED_ENTRY(143),
400	I40E_PTT(144, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, TCP,  PAY4),
401	I40E_PTT(145, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, SCTP, PAY4),
402	I40E_PTT(146, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, ICMP, PAY4),
403
404	/* IPv6 --> GRE/NAT -> MAC/VLAN --> IPv6 */
405	I40E_PTT(147, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV6, FRG, NONE, PAY3),
406	I40E_PTT(148, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, NONE, PAY3),
407	I40E_PTT(149, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, UDP,  PAY4),
408	I40E_PTT_UNUSED_ENTRY(150),
409	I40E_PTT(151, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, TCP,  PAY4),
410	I40E_PTT(152, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, SCTP, PAY4),
411	I40E_PTT(153, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, ICMP, PAY4),
412
413	/* unused entries */
414	I40E_PTT_UNUSED_ENTRY(154),
415	I40E_PTT_UNUSED_ENTRY(155),
416	I40E_PTT_UNUSED_ENTRY(156),
417	I40E_PTT_UNUSED_ENTRY(157),
418	I40E_PTT_UNUSED_ENTRY(158),
419	I40E_PTT_UNUSED_ENTRY(159),
420
421	I40E_PTT_UNUSED_ENTRY(160),
422	I40E_PTT_UNUSED_ENTRY(161),
423	I40E_PTT_UNUSED_ENTRY(162),
424	I40E_PTT_UNUSED_ENTRY(163),
425	I40E_PTT_UNUSED_ENTRY(164),
426	I40E_PTT_UNUSED_ENTRY(165),
427	I40E_PTT_UNUSED_ENTRY(166),
428	I40E_PTT_UNUSED_ENTRY(167),
429	I40E_PTT_UNUSED_ENTRY(168),
430	I40E_PTT_UNUSED_ENTRY(169),
431
432	I40E_PTT_UNUSED_ENTRY(170),
433	I40E_PTT_UNUSED_ENTRY(171),
434	I40E_PTT_UNUSED_ENTRY(172),
435	I40E_PTT_UNUSED_ENTRY(173),
436	I40E_PTT_UNUSED_ENTRY(174),
437	I40E_PTT_UNUSED_ENTRY(175),
438	I40E_PTT_UNUSED_ENTRY(176),
439	I40E_PTT_UNUSED_ENTRY(177),
440	I40E_PTT_UNUSED_ENTRY(178),
441	I40E_PTT_UNUSED_ENTRY(179),
442
443	I40E_PTT_UNUSED_ENTRY(180),
444	I40E_PTT_UNUSED_ENTRY(181),
445	I40E_PTT_UNUSED_ENTRY(182),
446	I40E_PTT_UNUSED_ENTRY(183),
447	I40E_PTT_UNUSED_ENTRY(184),
448	I40E_PTT_UNUSED_ENTRY(185),
449	I40E_PTT_UNUSED_ENTRY(186),
450	I40E_PTT_UNUSED_ENTRY(187),
451	I40E_PTT_UNUSED_ENTRY(188),
452	I40E_PTT_UNUSED_ENTRY(189),
453
454	I40E_PTT_UNUSED_ENTRY(190),
455	I40E_PTT_UNUSED_ENTRY(191),
456	I40E_PTT_UNUSED_ENTRY(192),
457	I40E_PTT_UNUSED_ENTRY(193),
458	I40E_PTT_UNUSED_ENTRY(194),
459	I40E_PTT_UNUSED_ENTRY(195),
460	I40E_PTT_UNUSED_ENTRY(196),
461	I40E_PTT_UNUSED_ENTRY(197),
462	I40E_PTT_UNUSED_ENTRY(198),
463	I40E_PTT_UNUSED_ENTRY(199),
464
465	I40E_PTT_UNUSED_ENTRY(200),
466	I40E_PTT_UNUSED_ENTRY(201),
467	I40E_PTT_UNUSED_ENTRY(202),
468	I40E_PTT_UNUSED_ENTRY(203),
469	I40E_PTT_UNUSED_ENTRY(204),
470	I40E_PTT_UNUSED_ENTRY(205),
471	I40E_PTT_UNUSED_ENTRY(206),
472	I40E_PTT_UNUSED_ENTRY(207),
473	I40E_PTT_UNUSED_ENTRY(208),
474	I40E_PTT_UNUSED_ENTRY(209),
475
476	I40E_PTT_UNUSED_ENTRY(210),
477	I40E_PTT_UNUSED_ENTRY(211),
478	I40E_PTT_UNUSED_ENTRY(212),
479	I40E_PTT_UNUSED_ENTRY(213),
480	I40E_PTT_UNUSED_ENTRY(214),
481	I40E_PTT_UNUSED_ENTRY(215),
482	I40E_PTT_UNUSED_ENTRY(216),
483	I40E_PTT_UNUSED_ENTRY(217),
484	I40E_PTT_UNUSED_ENTRY(218),
485	I40E_PTT_UNUSED_ENTRY(219),
486
487	I40E_PTT_UNUSED_ENTRY(220),
488	I40E_PTT_UNUSED_ENTRY(221),
489	I40E_PTT_UNUSED_ENTRY(222),
490	I40E_PTT_UNUSED_ENTRY(223),
491	I40E_PTT_UNUSED_ENTRY(224),
492	I40E_PTT_UNUSED_ENTRY(225),
493	I40E_PTT_UNUSED_ENTRY(226),
494	I40E_PTT_UNUSED_ENTRY(227),
495	I40E_PTT_UNUSED_ENTRY(228),
496	I40E_PTT_UNUSED_ENTRY(229),
497
498	I40E_PTT_UNUSED_ENTRY(230),
499	I40E_PTT_UNUSED_ENTRY(231),
500	I40E_PTT_UNUSED_ENTRY(232),
501	I40E_PTT_UNUSED_ENTRY(233),
502	I40E_PTT_UNUSED_ENTRY(234),
503	I40E_PTT_UNUSED_ENTRY(235),
504	I40E_PTT_UNUSED_ENTRY(236),
505	I40E_PTT_UNUSED_ENTRY(237),
506	I40E_PTT_UNUSED_ENTRY(238),
507	I40E_PTT_UNUSED_ENTRY(239),
508
509	I40E_PTT_UNUSED_ENTRY(240),
510	I40E_PTT_UNUSED_ENTRY(241),
511	I40E_PTT_UNUSED_ENTRY(242),
512	I40E_PTT_UNUSED_ENTRY(243),
513	I40E_PTT_UNUSED_ENTRY(244),
514	I40E_PTT_UNUSED_ENTRY(245),
515	I40E_PTT_UNUSED_ENTRY(246),
516	I40E_PTT_UNUSED_ENTRY(247),
517	I40E_PTT_UNUSED_ENTRY(248),
518	I40E_PTT_UNUSED_ENTRY(249),
519
520	I40E_PTT_UNUSED_ENTRY(250),
521	I40E_PTT_UNUSED_ENTRY(251),
522	I40E_PTT_UNUSED_ENTRY(252),
523	I40E_PTT_UNUSED_ENTRY(253),
524	I40E_PTT_UNUSED_ENTRY(254),
525	I40E_PTT_UNUSED_ENTRY(255)
526};
527
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
528
529/**
530 * i40e_aq_send_msg_to_pf
531 * @hw: pointer to the hardware structure
532 * @v_opcode: opcodes for VF-PF communication
533 * @v_retval: return error code
534 * @msg: pointer to the msg buffer
535 * @msglen: msg length
536 * @cmd_details: pointer to command details
537 *
538 * Send message to PF driver using admin queue. By default, this message
539 * is sent asynchronously, i.e. i40evf_asq_send_command() does not wait for
540 * completion before returning.
541 **/
542i40e_status i40e_aq_send_msg_to_pf(struct i40e_hw *hw,
543				enum i40e_virtchnl_ops v_opcode,
544				i40e_status v_retval,
545				u8 *msg, u16 msglen,
546				struct i40e_asq_cmd_details *cmd_details)
547{
548	struct i40e_aq_desc desc;
 
549	i40e_status status;
550
551	i40evf_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_send_msg_to_pf);
552	desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_SI);
553	desc.cookie_high = cpu_to_le32(v_opcode);
554	desc.cookie_low = cpu_to_le32(v_retval);
555	if (msglen) {
556		desc.flags |= cpu_to_le16((u16)(I40E_AQ_FLAG_BUF
557						| I40E_AQ_FLAG_RD));
558		if (msglen > I40E_AQ_LARGE_BUF)
559			desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
560		desc.datalen = cpu_to_le16(msglen);
561	}
562	if (!cmd_details) {
563		struct i40e_asq_cmd_details details;
564		memset(&details, 0, sizeof(details));
565		details.async = true;
566		cmd_details = &details;
567	}
568	status = i40evf_asq_send_command(hw, &desc, msg, msglen, cmd_details);
569	return status;
570}
571
572/**
573 * i40e_vf_parse_hw_config
574 * @hw: pointer to the hardware structure
575 * @msg: pointer to the virtual channel VF resource structure
576 *
577 * Given a VF resource message from the PF, populate the hw struct
578 * with appropriate information.
579 **/
580void i40e_vf_parse_hw_config(struct i40e_hw *hw,
581			     struct i40e_virtchnl_vf_resource *msg)
582{
583	struct i40e_virtchnl_vsi_resource *vsi_res;
584	int i;
585
586	vsi_res = &msg->vsi_res[0];
587
588	hw->dev_caps.num_vsis = msg->num_vsis;
589	hw->dev_caps.num_rx_qp = msg->num_queue_pairs;
590	hw->dev_caps.num_tx_qp = msg->num_queue_pairs;
591	hw->dev_caps.num_msix_vectors_vf = msg->max_vectors;
592	hw->dev_caps.dcb = msg->vf_offload_flags &
593			   I40E_VIRTCHNL_VF_OFFLOAD_L2;
594	hw->dev_caps.fcoe = (msg->vf_offload_flags &
595			     I40E_VIRTCHNL_VF_OFFLOAD_FCOE) ? 1 : 0;
596	for (i = 0; i < msg->num_vsis; i++) {
597		if (vsi_res->vsi_type == I40E_VSI_SRIOV) {
598			memcpy(hw->mac.perm_addr, vsi_res->default_mac_addr,
599			       ETH_ALEN);
600			memcpy(hw->mac.addr, vsi_res->default_mac_addr,
601			       ETH_ALEN);
602		}
603		vsi_res++;
604	}
605}
606
607/**
608 * i40e_vf_reset
609 * @hw: pointer to the hardware structure
610 *
611 * Send a VF_RESET message to the PF. Does not wait for response from PF
612 * as none will be forthcoming. Immediately after calling this function,
613 * the admin queue should be shut down and (optionally) reinitialized.
614 **/
615i40e_status i40e_vf_reset(struct i40e_hw *hw)
616{
617	return i40e_aq_send_msg_to_pf(hw, I40E_VIRTCHNL_OP_RESET_VF,
618				      0, NULL, 0, NULL);
619}
v4.10.11
   1/*******************************************************************************
   2 *
   3 * Intel Ethernet Controller XL710 Family Linux Virtual Function Driver
   4 * Copyright(c) 2013 - 2014 Intel Corporation.
   5 *
   6 * This program is free software; you can redistribute it and/or modify it
   7 * under the terms and conditions of the GNU General Public License,
   8 * version 2, as published by the Free Software Foundation.
   9 *
  10 * This program is distributed in the hope it will be useful, but WITHOUT
  11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  13 * more details.
  14 *
  15 * You should have received a copy of the GNU General Public License along
  16 * with this program.  If not, see <http://www.gnu.org/licenses/>.
  17 *
  18 * The full GNU General Public License is included in this distribution in
  19 * the file called "COPYING".
  20 *
  21 * Contact Information:
  22 * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
  23 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  24 *
  25 ******************************************************************************/
  26
  27#include "i40e_type.h"
  28#include "i40e_adminq.h"
  29#include "i40e_prototype.h"
  30#include "i40e_virtchnl.h"
  31
  32/**
  33 * i40e_set_mac_type - Sets MAC type
  34 * @hw: pointer to the HW structure
  35 *
  36 * This function sets the mac type of the adapter based on the
  37 * vendor ID and device ID stored in the hw structure.
  38 **/
  39i40e_status i40e_set_mac_type(struct i40e_hw *hw)
  40{
  41	i40e_status status = 0;
  42
  43	if (hw->vendor_id == PCI_VENDOR_ID_INTEL) {
  44		switch (hw->device_id) {
  45		case I40E_DEV_ID_SFP_XL710:
 
  46		case I40E_DEV_ID_QEMU:
 
  47		case I40E_DEV_ID_KX_B:
  48		case I40E_DEV_ID_KX_C:
 
  49		case I40E_DEV_ID_QSFP_A:
  50		case I40E_DEV_ID_QSFP_B:
  51		case I40E_DEV_ID_QSFP_C:
  52		case I40E_DEV_ID_10G_BASE_T:
  53		case I40E_DEV_ID_10G_BASE_T4:
  54		case I40E_DEV_ID_20G_KR2:
  55		case I40E_DEV_ID_20G_KR2_A:
  56		case I40E_DEV_ID_25G_B:
  57		case I40E_DEV_ID_25G_SFP28:
  58			hw->mac.type = I40E_MAC_XL710;
  59			break;
  60		case I40E_DEV_ID_SFP_X722:
  61		case I40E_DEV_ID_1G_BASE_T_X722:
  62		case I40E_DEV_ID_10G_BASE_T_X722:
  63		case I40E_DEV_ID_SFP_I_X722:
  64			hw->mac.type = I40E_MAC_X722;
  65			break;
  66		case I40E_DEV_ID_X722_VF:
  67		case I40E_DEV_ID_X722_VF_HV:
  68			hw->mac.type = I40E_MAC_X722_VF;
  69			break;
  70		case I40E_DEV_ID_VF:
  71		case I40E_DEV_ID_VF_HV:
  72			hw->mac.type = I40E_MAC_VF;
  73			break;
  74		default:
  75			hw->mac.type = I40E_MAC_GENERIC;
  76			break;
  77		}
  78	} else {
  79		status = I40E_ERR_DEVICE_NOT_SUPPORTED;
  80	}
  81
  82	hw_dbg(hw, "i40e_set_mac_type found mac: %d, returns: %d\n",
  83		  hw->mac.type, status);
  84	return status;
  85}
  86
  87/**
  88 * i40evf_aq_str - convert AQ err code to a string
  89 * @hw: pointer to the HW structure
  90 * @aq_err: the AQ error code to convert
  91 **/
  92const char *i40evf_aq_str(struct i40e_hw *hw, enum i40e_admin_queue_err aq_err)
  93{
  94	switch (aq_err) {
  95	case I40E_AQ_RC_OK:
  96		return "OK";
  97	case I40E_AQ_RC_EPERM:
  98		return "I40E_AQ_RC_EPERM";
  99	case I40E_AQ_RC_ENOENT:
 100		return "I40E_AQ_RC_ENOENT";
 101	case I40E_AQ_RC_ESRCH:
 102		return "I40E_AQ_RC_ESRCH";
 103	case I40E_AQ_RC_EINTR:
 104		return "I40E_AQ_RC_EINTR";
 105	case I40E_AQ_RC_EIO:
 106		return "I40E_AQ_RC_EIO";
 107	case I40E_AQ_RC_ENXIO:
 108		return "I40E_AQ_RC_ENXIO";
 109	case I40E_AQ_RC_E2BIG:
 110		return "I40E_AQ_RC_E2BIG";
 111	case I40E_AQ_RC_EAGAIN:
 112		return "I40E_AQ_RC_EAGAIN";
 113	case I40E_AQ_RC_ENOMEM:
 114		return "I40E_AQ_RC_ENOMEM";
 115	case I40E_AQ_RC_EACCES:
 116		return "I40E_AQ_RC_EACCES";
 117	case I40E_AQ_RC_EFAULT:
 118		return "I40E_AQ_RC_EFAULT";
 119	case I40E_AQ_RC_EBUSY:
 120		return "I40E_AQ_RC_EBUSY";
 121	case I40E_AQ_RC_EEXIST:
 122		return "I40E_AQ_RC_EEXIST";
 123	case I40E_AQ_RC_EINVAL:
 124		return "I40E_AQ_RC_EINVAL";
 125	case I40E_AQ_RC_ENOTTY:
 126		return "I40E_AQ_RC_ENOTTY";
 127	case I40E_AQ_RC_ENOSPC:
 128		return "I40E_AQ_RC_ENOSPC";
 129	case I40E_AQ_RC_ENOSYS:
 130		return "I40E_AQ_RC_ENOSYS";
 131	case I40E_AQ_RC_ERANGE:
 132		return "I40E_AQ_RC_ERANGE";
 133	case I40E_AQ_RC_EFLUSHED:
 134		return "I40E_AQ_RC_EFLUSHED";
 135	case I40E_AQ_RC_BAD_ADDR:
 136		return "I40E_AQ_RC_BAD_ADDR";
 137	case I40E_AQ_RC_EMODE:
 138		return "I40E_AQ_RC_EMODE";
 139	case I40E_AQ_RC_EFBIG:
 140		return "I40E_AQ_RC_EFBIG";
 141	}
 142
 143	snprintf(hw->err_str, sizeof(hw->err_str), "%d", aq_err);
 144	return hw->err_str;
 145}
 146
 147/**
 148 * i40evf_stat_str - convert status err code to a string
 149 * @hw: pointer to the HW structure
 150 * @stat_err: the status error code to convert
 151 **/
 152const char *i40evf_stat_str(struct i40e_hw *hw, i40e_status stat_err)
 153{
 154	switch (stat_err) {
 155	case 0:
 156		return "OK";
 157	case I40E_ERR_NVM:
 158		return "I40E_ERR_NVM";
 159	case I40E_ERR_NVM_CHECKSUM:
 160		return "I40E_ERR_NVM_CHECKSUM";
 161	case I40E_ERR_PHY:
 162		return "I40E_ERR_PHY";
 163	case I40E_ERR_CONFIG:
 164		return "I40E_ERR_CONFIG";
 165	case I40E_ERR_PARAM:
 166		return "I40E_ERR_PARAM";
 167	case I40E_ERR_MAC_TYPE:
 168		return "I40E_ERR_MAC_TYPE";
 169	case I40E_ERR_UNKNOWN_PHY:
 170		return "I40E_ERR_UNKNOWN_PHY";
 171	case I40E_ERR_LINK_SETUP:
 172		return "I40E_ERR_LINK_SETUP";
 173	case I40E_ERR_ADAPTER_STOPPED:
 174		return "I40E_ERR_ADAPTER_STOPPED";
 175	case I40E_ERR_INVALID_MAC_ADDR:
 176		return "I40E_ERR_INVALID_MAC_ADDR";
 177	case I40E_ERR_DEVICE_NOT_SUPPORTED:
 178		return "I40E_ERR_DEVICE_NOT_SUPPORTED";
 179	case I40E_ERR_MASTER_REQUESTS_PENDING:
 180		return "I40E_ERR_MASTER_REQUESTS_PENDING";
 181	case I40E_ERR_INVALID_LINK_SETTINGS:
 182		return "I40E_ERR_INVALID_LINK_SETTINGS";
 183	case I40E_ERR_AUTONEG_NOT_COMPLETE:
 184		return "I40E_ERR_AUTONEG_NOT_COMPLETE";
 185	case I40E_ERR_RESET_FAILED:
 186		return "I40E_ERR_RESET_FAILED";
 187	case I40E_ERR_SWFW_SYNC:
 188		return "I40E_ERR_SWFW_SYNC";
 189	case I40E_ERR_NO_AVAILABLE_VSI:
 190		return "I40E_ERR_NO_AVAILABLE_VSI";
 191	case I40E_ERR_NO_MEMORY:
 192		return "I40E_ERR_NO_MEMORY";
 193	case I40E_ERR_BAD_PTR:
 194		return "I40E_ERR_BAD_PTR";
 195	case I40E_ERR_RING_FULL:
 196		return "I40E_ERR_RING_FULL";
 197	case I40E_ERR_INVALID_PD_ID:
 198		return "I40E_ERR_INVALID_PD_ID";
 199	case I40E_ERR_INVALID_QP_ID:
 200		return "I40E_ERR_INVALID_QP_ID";
 201	case I40E_ERR_INVALID_CQ_ID:
 202		return "I40E_ERR_INVALID_CQ_ID";
 203	case I40E_ERR_INVALID_CEQ_ID:
 204		return "I40E_ERR_INVALID_CEQ_ID";
 205	case I40E_ERR_INVALID_AEQ_ID:
 206		return "I40E_ERR_INVALID_AEQ_ID";
 207	case I40E_ERR_INVALID_SIZE:
 208		return "I40E_ERR_INVALID_SIZE";
 209	case I40E_ERR_INVALID_ARP_INDEX:
 210		return "I40E_ERR_INVALID_ARP_INDEX";
 211	case I40E_ERR_INVALID_FPM_FUNC_ID:
 212		return "I40E_ERR_INVALID_FPM_FUNC_ID";
 213	case I40E_ERR_QP_INVALID_MSG_SIZE:
 214		return "I40E_ERR_QP_INVALID_MSG_SIZE";
 215	case I40E_ERR_QP_TOOMANY_WRS_POSTED:
 216		return "I40E_ERR_QP_TOOMANY_WRS_POSTED";
 217	case I40E_ERR_INVALID_FRAG_COUNT:
 218		return "I40E_ERR_INVALID_FRAG_COUNT";
 219	case I40E_ERR_QUEUE_EMPTY:
 220		return "I40E_ERR_QUEUE_EMPTY";
 221	case I40E_ERR_INVALID_ALIGNMENT:
 222		return "I40E_ERR_INVALID_ALIGNMENT";
 223	case I40E_ERR_FLUSHED_QUEUE:
 224		return "I40E_ERR_FLUSHED_QUEUE";
 225	case I40E_ERR_INVALID_PUSH_PAGE_INDEX:
 226		return "I40E_ERR_INVALID_PUSH_PAGE_INDEX";
 227	case I40E_ERR_INVALID_IMM_DATA_SIZE:
 228		return "I40E_ERR_INVALID_IMM_DATA_SIZE";
 229	case I40E_ERR_TIMEOUT:
 230		return "I40E_ERR_TIMEOUT";
 231	case I40E_ERR_OPCODE_MISMATCH:
 232		return "I40E_ERR_OPCODE_MISMATCH";
 233	case I40E_ERR_CQP_COMPL_ERROR:
 234		return "I40E_ERR_CQP_COMPL_ERROR";
 235	case I40E_ERR_INVALID_VF_ID:
 236		return "I40E_ERR_INVALID_VF_ID";
 237	case I40E_ERR_INVALID_HMCFN_ID:
 238		return "I40E_ERR_INVALID_HMCFN_ID";
 239	case I40E_ERR_BACKING_PAGE_ERROR:
 240		return "I40E_ERR_BACKING_PAGE_ERROR";
 241	case I40E_ERR_NO_PBLCHUNKS_AVAILABLE:
 242		return "I40E_ERR_NO_PBLCHUNKS_AVAILABLE";
 243	case I40E_ERR_INVALID_PBLE_INDEX:
 244		return "I40E_ERR_INVALID_PBLE_INDEX";
 245	case I40E_ERR_INVALID_SD_INDEX:
 246		return "I40E_ERR_INVALID_SD_INDEX";
 247	case I40E_ERR_INVALID_PAGE_DESC_INDEX:
 248		return "I40E_ERR_INVALID_PAGE_DESC_INDEX";
 249	case I40E_ERR_INVALID_SD_TYPE:
 250		return "I40E_ERR_INVALID_SD_TYPE";
 251	case I40E_ERR_MEMCPY_FAILED:
 252		return "I40E_ERR_MEMCPY_FAILED";
 253	case I40E_ERR_INVALID_HMC_OBJ_INDEX:
 254		return "I40E_ERR_INVALID_HMC_OBJ_INDEX";
 255	case I40E_ERR_INVALID_HMC_OBJ_COUNT:
 256		return "I40E_ERR_INVALID_HMC_OBJ_COUNT";
 257	case I40E_ERR_INVALID_SRQ_ARM_LIMIT:
 258		return "I40E_ERR_INVALID_SRQ_ARM_LIMIT";
 259	case I40E_ERR_SRQ_ENABLED:
 260		return "I40E_ERR_SRQ_ENABLED";
 261	case I40E_ERR_ADMIN_QUEUE_ERROR:
 262		return "I40E_ERR_ADMIN_QUEUE_ERROR";
 263	case I40E_ERR_ADMIN_QUEUE_TIMEOUT:
 264		return "I40E_ERR_ADMIN_QUEUE_TIMEOUT";
 265	case I40E_ERR_BUF_TOO_SHORT:
 266		return "I40E_ERR_BUF_TOO_SHORT";
 267	case I40E_ERR_ADMIN_QUEUE_FULL:
 268		return "I40E_ERR_ADMIN_QUEUE_FULL";
 269	case I40E_ERR_ADMIN_QUEUE_NO_WORK:
 270		return "I40E_ERR_ADMIN_QUEUE_NO_WORK";
 271	case I40E_ERR_BAD_IWARP_CQE:
 272		return "I40E_ERR_BAD_IWARP_CQE";
 273	case I40E_ERR_NVM_BLANK_MODE:
 274		return "I40E_ERR_NVM_BLANK_MODE";
 275	case I40E_ERR_NOT_IMPLEMENTED:
 276		return "I40E_ERR_NOT_IMPLEMENTED";
 277	case I40E_ERR_PE_DOORBELL_NOT_ENABLED:
 278		return "I40E_ERR_PE_DOORBELL_NOT_ENABLED";
 279	case I40E_ERR_DIAG_TEST_FAILED:
 280		return "I40E_ERR_DIAG_TEST_FAILED";
 281	case I40E_ERR_NOT_READY:
 282		return "I40E_ERR_NOT_READY";
 283	case I40E_NOT_SUPPORTED:
 284		return "I40E_NOT_SUPPORTED";
 285	case I40E_ERR_FIRMWARE_API_VERSION:
 286		return "I40E_ERR_FIRMWARE_API_VERSION";
 287	}
 288
 289	snprintf(hw->err_str, sizeof(hw->err_str), "%d", stat_err);
 290	return hw->err_str;
 291}
 292
 293/**
 294 * i40evf_debug_aq
 295 * @hw: debug mask related to admin queue
 296 * @mask: debug mask
 297 * @desc: pointer to admin queue descriptor
 298 * @buffer: pointer to command buffer
 299 * @buf_len: max length of buffer
 300 *
 301 * Dumps debug log about adminq command with descriptor contents.
 302 **/
 303void i40evf_debug_aq(struct i40e_hw *hw, enum i40e_debug_mask mask, void *desc,
 304		   void *buffer, u16 buf_len)
 305{
 306	struct i40e_aq_desc *aq_desc = (struct i40e_aq_desc *)desc;
 307	u8 *buf = (u8 *)buffer;
 308	u16 i = 0;
 
 309
 310	if ((!(mask & hw->debug_mask)) || (desc == NULL))
 311		return;
 312
 313	i40e_debug(hw, mask,
 314		   "AQ CMD: opcode 0x%04X, flags 0x%04X, datalen 0x%04X, retval 0x%04X\n",
 315		   le16_to_cpu(aq_desc->opcode),
 316		   le16_to_cpu(aq_desc->flags),
 317		   le16_to_cpu(aq_desc->datalen),
 318		   le16_to_cpu(aq_desc->retval));
 319	i40e_debug(hw, mask, "\tcookie (h,l) 0x%08X 0x%08X\n",
 320		   le32_to_cpu(aq_desc->cookie_high),
 321		   le32_to_cpu(aq_desc->cookie_low));
 322	i40e_debug(hw, mask, "\tparam (0,1)  0x%08X 0x%08X\n",
 323		   le32_to_cpu(aq_desc->params.internal.param0),
 324		   le32_to_cpu(aq_desc->params.internal.param1));
 325	i40e_debug(hw, mask, "\taddr (h,l)   0x%08X 0x%08X\n",
 326		   le32_to_cpu(aq_desc->params.external.addr_high),
 327		   le32_to_cpu(aq_desc->params.external.addr_low));
 328
 329	if ((buffer != NULL) && (aq_desc->datalen != 0)) {
 330		u16 len = le16_to_cpu(aq_desc->datalen);
 331
 332		i40e_debug(hw, mask, "AQ CMD Buffer:\n");
 333		if (buf_len < len)
 334			len = buf_len;
 335		/* write the full 16-byte chunks */
 336		for (i = 0; i < (len - 16); i += 16)
 337			i40e_debug(hw, mask, "\t0x%04X  %16ph\n", i, buf + i);
 338		/* write whatever's left over without overrunning the buffer */
 339		if (i < len)
 340			i40e_debug(hw, mask, "\t0x%04X  %*ph\n",
 341					     i, len - i, buf + i);
 
 
 
 
 
 
 342	}
 343}
 344
 345/**
 346 * i40evf_check_asq_alive
 347 * @hw: pointer to the hw struct
 348 *
 349 * Returns true if Queue is enabled else false.
 350 **/
 351bool i40evf_check_asq_alive(struct i40e_hw *hw)
 352{
 353	if (hw->aq.asq.len)
 354		return !!(rd32(hw, hw->aq.asq.len) &
 355			  I40E_VF_ATQLEN1_ATQENABLE_MASK);
 356	else
 357		return false;
 358}
 359
 360/**
 361 * i40evf_aq_queue_shutdown
 362 * @hw: pointer to the hw struct
 363 * @unloading: is the driver unloading itself
 364 *
 365 * Tell the Firmware that we're shutting down the AdminQ and whether
 366 * or not the driver is unloading as well.
 367 **/
 368i40e_status i40evf_aq_queue_shutdown(struct i40e_hw *hw,
 369					     bool unloading)
 370{
 371	struct i40e_aq_desc desc;
 372	struct i40e_aqc_queue_shutdown *cmd =
 373		(struct i40e_aqc_queue_shutdown *)&desc.params.raw;
 374	i40e_status status;
 375
 376	i40evf_fill_default_direct_cmd_desc(&desc,
 377					  i40e_aqc_opc_queue_shutdown);
 378
 379	if (unloading)
 380		cmd->driver_unloading = cpu_to_le32(I40E_AQ_DRIVER_UNLOADING);
 381	status = i40evf_asq_send_command(hw, &desc, NULL, 0, NULL);
 382
 383	return status;
 384}
 385
 386/**
 387 * i40e_aq_get_set_rss_lut
 388 * @hw: pointer to the hardware structure
 389 * @vsi_id: vsi fw index
 390 * @pf_lut: for PF table set true, for VSI table set false
 391 * @lut: pointer to the lut buffer provided by the caller
 392 * @lut_size: size of the lut buffer
 393 * @set: set true to set the table, false to get the table
 394 *
 395 * Internal function to get or set RSS look up table
 396 **/
 397static i40e_status i40e_aq_get_set_rss_lut(struct i40e_hw *hw,
 398					   u16 vsi_id, bool pf_lut,
 399					   u8 *lut, u16 lut_size,
 400					   bool set)
 401{
 402	i40e_status status;
 403	struct i40e_aq_desc desc;
 404	struct i40e_aqc_get_set_rss_lut *cmd_resp =
 405		   (struct i40e_aqc_get_set_rss_lut *)&desc.params.raw;
 406
 407	if (set)
 408		i40evf_fill_default_direct_cmd_desc(&desc,
 409						    i40e_aqc_opc_set_rss_lut);
 410	else
 411		i40evf_fill_default_direct_cmd_desc(&desc,
 412						    i40e_aqc_opc_get_rss_lut);
 413
 414	/* Indirect command */
 415	desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
 416	desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_RD);
 417
 418	cmd_resp->vsi_id =
 419			cpu_to_le16((u16)((vsi_id <<
 420					  I40E_AQC_SET_RSS_LUT_VSI_ID_SHIFT) &
 421					  I40E_AQC_SET_RSS_LUT_VSI_ID_MASK));
 422	cmd_resp->vsi_id |= cpu_to_le16((u16)I40E_AQC_SET_RSS_LUT_VSI_VALID);
 423
 424	if (pf_lut)
 425		cmd_resp->flags |= cpu_to_le16((u16)
 426					((I40E_AQC_SET_RSS_LUT_TABLE_TYPE_PF <<
 427					I40E_AQC_SET_RSS_LUT_TABLE_TYPE_SHIFT) &
 428					I40E_AQC_SET_RSS_LUT_TABLE_TYPE_MASK));
 429	else
 430		cmd_resp->flags |= cpu_to_le16((u16)
 431					((I40E_AQC_SET_RSS_LUT_TABLE_TYPE_VSI <<
 432					I40E_AQC_SET_RSS_LUT_TABLE_TYPE_SHIFT) &
 433					I40E_AQC_SET_RSS_LUT_TABLE_TYPE_MASK));
 434
 435	status = i40evf_asq_send_command(hw, &desc, lut, lut_size, NULL);
 436
 437	return status;
 438}
 439
 440/**
 441 * i40evf_aq_get_rss_lut
 442 * @hw: pointer to the hardware structure
 443 * @vsi_id: vsi fw index
 444 * @pf_lut: for PF table set true, for VSI table set false
 445 * @lut: pointer to the lut buffer provided by the caller
 446 * @lut_size: size of the lut buffer
 447 *
 448 * get the RSS lookup table, PF or VSI type
 449 **/
 450i40e_status i40evf_aq_get_rss_lut(struct i40e_hw *hw, u16 vsi_id,
 451				  bool pf_lut, u8 *lut, u16 lut_size)
 452{
 453	return i40e_aq_get_set_rss_lut(hw, vsi_id, pf_lut, lut, lut_size,
 454				       false);
 455}
 456
 457/**
 458 * i40evf_aq_set_rss_lut
 459 * @hw: pointer to the hardware structure
 460 * @vsi_id: vsi fw index
 461 * @pf_lut: for PF table set true, for VSI table set false
 462 * @lut: pointer to the lut buffer provided by the caller
 463 * @lut_size: size of the lut buffer
 464 *
 465 * set the RSS lookup table, PF or VSI type
 466 **/
 467i40e_status i40evf_aq_set_rss_lut(struct i40e_hw *hw, u16 vsi_id,
 468				  bool pf_lut, u8 *lut, u16 lut_size)
 469{
 470	return i40e_aq_get_set_rss_lut(hw, vsi_id, pf_lut, lut, lut_size, true);
 471}
 472
 473/**
 474 * i40e_aq_get_set_rss_key
 475 * @hw: pointer to the hw struct
 476 * @vsi_id: vsi fw index
 477 * @key: pointer to key info struct
 478 * @set: set true to set the key, false to get the key
 479 *
 480 * get the RSS key per VSI
 481 **/
 482static i40e_status i40e_aq_get_set_rss_key(struct i40e_hw *hw,
 483				      u16 vsi_id,
 484				      struct i40e_aqc_get_set_rss_key_data *key,
 485				      bool set)
 486{
 487	i40e_status status;
 488	struct i40e_aq_desc desc;
 489	struct i40e_aqc_get_set_rss_key *cmd_resp =
 490			(struct i40e_aqc_get_set_rss_key *)&desc.params.raw;
 491	u16 key_size = sizeof(struct i40e_aqc_get_set_rss_key_data);
 492
 493	if (set)
 494		i40evf_fill_default_direct_cmd_desc(&desc,
 495						    i40e_aqc_opc_set_rss_key);
 496	else
 497		i40evf_fill_default_direct_cmd_desc(&desc,
 498						    i40e_aqc_opc_get_rss_key);
 499
 500	/* Indirect command */
 501	desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
 502	desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_RD);
 503
 504	cmd_resp->vsi_id =
 505			cpu_to_le16((u16)((vsi_id <<
 506					  I40E_AQC_SET_RSS_KEY_VSI_ID_SHIFT) &
 507					  I40E_AQC_SET_RSS_KEY_VSI_ID_MASK));
 508	cmd_resp->vsi_id |= cpu_to_le16((u16)I40E_AQC_SET_RSS_KEY_VSI_VALID);
 509
 510	status = i40evf_asq_send_command(hw, &desc, key, key_size, NULL);
 511
 512	return status;
 513}
 514
 515/**
 516 * i40evf_aq_get_rss_key
 517 * @hw: pointer to the hw struct
 518 * @vsi_id: vsi fw index
 519 * @key: pointer to key info struct
 520 *
 521 **/
 522i40e_status i40evf_aq_get_rss_key(struct i40e_hw *hw,
 523				  u16 vsi_id,
 524				  struct i40e_aqc_get_set_rss_key_data *key)
 525{
 526	return i40e_aq_get_set_rss_key(hw, vsi_id, key, false);
 527}
 528
 529/**
 530 * i40evf_aq_set_rss_key
 531 * @hw: pointer to the hw struct
 532 * @vsi_id: vsi fw index
 533 * @key: pointer to key info struct
 534 *
 535 * set the RSS key per VSI
 536 **/
 537i40e_status i40evf_aq_set_rss_key(struct i40e_hw *hw,
 538				  u16 vsi_id,
 539				  struct i40e_aqc_get_set_rss_key_data *key)
 540{
 541	return i40e_aq_get_set_rss_key(hw, vsi_id, key, true);
 542}
 543
 544
 545/* The i40evf_ptype_lookup table is used to convert from the 8-bit ptype in the
 546 * hardware to a bit-field that can be used by SW to more easily determine the
 547 * packet type.
 548 *
 549 * Macros are used to shorten the table lines and make this table human
 550 * readable.
 551 *
 552 * We store the PTYPE in the top byte of the bit field - this is just so that
 553 * we can check that the table doesn't have a row missing, as the index into
 554 * the table should be the PTYPE.
 555 *
 556 * Typical work flow:
 557 *
 558 * IF NOT i40evf_ptype_lookup[ptype].known
 559 * THEN
 560 *      Packet is unknown
 561 * ELSE IF i40evf_ptype_lookup[ptype].outer_ip == I40E_RX_PTYPE_OUTER_IP
 562 *      Use the rest of the fields to look at the tunnels, inner protocols, etc
 563 * ELSE
 564 *      Use the enum i40e_rx_l2_ptype to decode the packet type
 565 * ENDIF
 566 */
 567
 568/* macro to make the table lines short */
 569#define I40E_PTT(PTYPE, OUTER_IP, OUTER_IP_VER, OUTER_FRAG, T, TE, TEF, I, PL)\
 570	{	PTYPE, \
 571		1, \
 572		I40E_RX_PTYPE_OUTER_##OUTER_IP, \
 573		I40E_RX_PTYPE_OUTER_##OUTER_IP_VER, \
 574		I40E_RX_PTYPE_##OUTER_FRAG, \
 575		I40E_RX_PTYPE_TUNNEL_##T, \
 576		I40E_RX_PTYPE_TUNNEL_END_##TE, \
 577		I40E_RX_PTYPE_##TEF, \
 578		I40E_RX_PTYPE_INNER_PROT_##I, \
 579		I40E_RX_PTYPE_PAYLOAD_LAYER_##PL }
 580
 581#define I40E_PTT_UNUSED_ENTRY(PTYPE) \
 582		{ PTYPE, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
 583
 584/* shorter macros makes the table fit but are terse */
 585#define I40E_RX_PTYPE_NOF		I40E_RX_PTYPE_NOT_FRAG
 586#define I40E_RX_PTYPE_FRG		I40E_RX_PTYPE_FRAG
 587#define I40E_RX_PTYPE_INNER_PROT_TS	I40E_RX_PTYPE_INNER_PROT_TIMESYNC
 588
 589/* Lookup table mapping the HW PTYPE to the bit field for decoding */
 590struct i40e_rx_ptype_decoded i40evf_ptype_lookup[] = {
 591	/* L2 Packet types */
 592	I40E_PTT_UNUSED_ENTRY(0),
 593	I40E_PTT(1,  L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY2),
 594	I40E_PTT(2,  L2, NONE, NOF, NONE, NONE, NOF, TS,   PAY2),
 595	I40E_PTT(3,  L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY2),
 596	I40E_PTT_UNUSED_ENTRY(4),
 597	I40E_PTT_UNUSED_ENTRY(5),
 598	I40E_PTT(6,  L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY2),
 599	I40E_PTT(7,  L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY2),
 600	I40E_PTT_UNUSED_ENTRY(8),
 601	I40E_PTT_UNUSED_ENTRY(9),
 602	I40E_PTT(10, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY2),
 603	I40E_PTT(11, L2, NONE, NOF, NONE, NONE, NOF, NONE, NONE),
 604	I40E_PTT(12, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3),
 605	I40E_PTT(13, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3),
 606	I40E_PTT(14, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3),
 607	I40E_PTT(15, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3),
 608	I40E_PTT(16, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3),
 609	I40E_PTT(17, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3),
 610	I40E_PTT(18, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3),
 611	I40E_PTT(19, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3),
 612	I40E_PTT(20, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3),
 613	I40E_PTT(21, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3),
 614
 615	/* Non Tunneled IPv4 */
 616	I40E_PTT(22, IP, IPV4, FRG, NONE, NONE, NOF, NONE, PAY3),
 617	I40E_PTT(23, IP, IPV4, NOF, NONE, NONE, NOF, NONE, PAY3),
 618	I40E_PTT(24, IP, IPV4, NOF, NONE, NONE, NOF, UDP,  PAY4),
 619	I40E_PTT_UNUSED_ENTRY(25),
 620	I40E_PTT(26, IP, IPV4, NOF, NONE, NONE, NOF, TCP,  PAY4),
 621	I40E_PTT(27, IP, IPV4, NOF, NONE, NONE, NOF, SCTP, PAY4),
 622	I40E_PTT(28, IP, IPV4, NOF, NONE, NONE, NOF, ICMP, PAY4),
 623
 624	/* IPv4 --> IPv4 */
 625	I40E_PTT(29, IP, IPV4, NOF, IP_IP, IPV4, FRG, NONE, PAY3),
 626	I40E_PTT(30, IP, IPV4, NOF, IP_IP, IPV4, NOF, NONE, PAY3),
 627	I40E_PTT(31, IP, IPV4, NOF, IP_IP, IPV4, NOF, UDP,  PAY4),
 628	I40E_PTT_UNUSED_ENTRY(32),
 629	I40E_PTT(33, IP, IPV4, NOF, IP_IP, IPV4, NOF, TCP,  PAY4),
 630	I40E_PTT(34, IP, IPV4, NOF, IP_IP, IPV4, NOF, SCTP, PAY4),
 631	I40E_PTT(35, IP, IPV4, NOF, IP_IP, IPV4, NOF, ICMP, PAY4),
 632
 633	/* IPv4 --> IPv6 */
 634	I40E_PTT(36, IP, IPV4, NOF, IP_IP, IPV6, FRG, NONE, PAY3),
 635	I40E_PTT(37, IP, IPV4, NOF, IP_IP, IPV6, NOF, NONE, PAY3),
 636	I40E_PTT(38, IP, IPV4, NOF, IP_IP, IPV6, NOF, UDP,  PAY4),
 637	I40E_PTT_UNUSED_ENTRY(39),
 638	I40E_PTT(40, IP, IPV4, NOF, IP_IP, IPV6, NOF, TCP,  PAY4),
 639	I40E_PTT(41, IP, IPV4, NOF, IP_IP, IPV6, NOF, SCTP, PAY4),
 640	I40E_PTT(42, IP, IPV4, NOF, IP_IP, IPV6, NOF, ICMP, PAY4),
 641
 642	/* IPv4 --> GRE/NAT */
 643	I40E_PTT(43, IP, IPV4, NOF, IP_GRENAT, NONE, NOF, NONE, PAY3),
 644
 645	/* IPv4 --> GRE/NAT --> IPv4 */
 646	I40E_PTT(44, IP, IPV4, NOF, IP_GRENAT, IPV4, FRG, NONE, PAY3),
 647	I40E_PTT(45, IP, IPV4, NOF, IP_GRENAT, IPV4, NOF, NONE, PAY3),
 648	I40E_PTT(46, IP, IPV4, NOF, IP_GRENAT, IPV4, NOF, UDP,  PAY4),
 649	I40E_PTT_UNUSED_ENTRY(47),
 650	I40E_PTT(48, IP, IPV4, NOF, IP_GRENAT, IPV4, NOF, TCP,  PAY4),
 651	I40E_PTT(49, IP, IPV4, NOF, IP_GRENAT, IPV4, NOF, SCTP, PAY4),
 652	I40E_PTT(50, IP, IPV4, NOF, IP_GRENAT, IPV4, NOF, ICMP, PAY4),
 653
 654	/* IPv4 --> GRE/NAT --> IPv6 */
 655	I40E_PTT(51, IP, IPV4, NOF, IP_GRENAT, IPV6, FRG, NONE, PAY3),
 656	I40E_PTT(52, IP, IPV4, NOF, IP_GRENAT, IPV6, NOF, NONE, PAY3),
 657	I40E_PTT(53, IP, IPV4, NOF, IP_GRENAT, IPV6, NOF, UDP,  PAY4),
 658	I40E_PTT_UNUSED_ENTRY(54),
 659	I40E_PTT(55, IP, IPV4, NOF, IP_GRENAT, IPV6, NOF, TCP,  PAY4),
 660	I40E_PTT(56, IP, IPV4, NOF, IP_GRENAT, IPV6, NOF, SCTP, PAY4),
 661	I40E_PTT(57, IP, IPV4, NOF, IP_GRENAT, IPV6, NOF, ICMP, PAY4),
 662
 663	/* IPv4 --> GRE/NAT --> MAC */
 664	I40E_PTT(58, IP, IPV4, NOF, IP_GRENAT_MAC, NONE, NOF, NONE, PAY3),
 665
 666	/* IPv4 --> GRE/NAT --> MAC --> IPv4 */
 667	I40E_PTT(59, IP, IPV4, NOF, IP_GRENAT_MAC, IPV4, FRG, NONE, PAY3),
 668	I40E_PTT(60, IP, IPV4, NOF, IP_GRENAT_MAC, IPV4, NOF, NONE, PAY3),
 669	I40E_PTT(61, IP, IPV4, NOF, IP_GRENAT_MAC, IPV4, NOF, UDP,  PAY4),
 670	I40E_PTT_UNUSED_ENTRY(62),
 671	I40E_PTT(63, IP, IPV4, NOF, IP_GRENAT_MAC, IPV4, NOF, TCP,  PAY4),
 672	I40E_PTT(64, IP, IPV4, NOF, IP_GRENAT_MAC, IPV4, NOF, SCTP, PAY4),
 673	I40E_PTT(65, IP, IPV4, NOF, IP_GRENAT_MAC, IPV4, NOF, ICMP, PAY4),
 674
 675	/* IPv4 --> GRE/NAT -> MAC --> IPv6 */
 676	I40E_PTT(66, IP, IPV4, NOF, IP_GRENAT_MAC, IPV6, FRG, NONE, PAY3),
 677	I40E_PTT(67, IP, IPV4, NOF, IP_GRENAT_MAC, IPV6, NOF, NONE, PAY3),
 678	I40E_PTT(68, IP, IPV4, NOF, IP_GRENAT_MAC, IPV6, NOF, UDP,  PAY4),
 679	I40E_PTT_UNUSED_ENTRY(69),
 680	I40E_PTT(70, IP, IPV4, NOF, IP_GRENAT_MAC, IPV6, NOF, TCP,  PAY4),
 681	I40E_PTT(71, IP, IPV4, NOF, IP_GRENAT_MAC, IPV6, NOF, SCTP, PAY4),
 682	I40E_PTT(72, IP, IPV4, NOF, IP_GRENAT_MAC, IPV6, NOF, ICMP, PAY4),
 683
 684	/* IPv4 --> GRE/NAT --> MAC/VLAN */
 685	I40E_PTT(73, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, NONE, NOF, NONE, PAY3),
 686
 687	/* IPv4 ---> GRE/NAT -> MAC/VLAN --> IPv4 */
 688	I40E_PTT(74, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV4, FRG, NONE, PAY3),
 689	I40E_PTT(75, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, NONE, PAY3),
 690	I40E_PTT(76, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, UDP,  PAY4),
 691	I40E_PTT_UNUSED_ENTRY(77),
 692	I40E_PTT(78, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, TCP,  PAY4),
 693	I40E_PTT(79, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, SCTP, PAY4),
 694	I40E_PTT(80, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, ICMP, PAY4),
 695
 696	/* IPv4 -> GRE/NAT -> MAC/VLAN --> IPv6 */
 697	I40E_PTT(81, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV6, FRG, NONE, PAY3),
 698	I40E_PTT(82, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, NONE, PAY3),
 699	I40E_PTT(83, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, UDP,  PAY4),
 700	I40E_PTT_UNUSED_ENTRY(84),
 701	I40E_PTT(85, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, TCP,  PAY4),
 702	I40E_PTT(86, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, SCTP, PAY4),
 703	I40E_PTT(87, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, ICMP, PAY4),
 704
 705	/* Non Tunneled IPv6 */
 706	I40E_PTT(88, IP, IPV6, FRG, NONE, NONE, NOF, NONE, PAY3),
 707	I40E_PTT(89, IP, IPV6, NOF, NONE, NONE, NOF, NONE, PAY3),
 708	I40E_PTT(90, IP, IPV6, NOF, NONE, NONE, NOF, UDP,  PAY3),
 709	I40E_PTT_UNUSED_ENTRY(91),
 710	I40E_PTT(92, IP, IPV6, NOF, NONE, NONE, NOF, TCP,  PAY4),
 711	I40E_PTT(93, IP, IPV6, NOF, NONE, NONE, NOF, SCTP, PAY4),
 712	I40E_PTT(94, IP, IPV6, NOF, NONE, NONE, NOF, ICMP, PAY4),
 713
 714	/* IPv6 --> IPv4 */
 715	I40E_PTT(95,  IP, IPV6, NOF, IP_IP, IPV4, FRG, NONE, PAY3),
 716	I40E_PTT(96,  IP, IPV6, NOF, IP_IP, IPV4, NOF, NONE, PAY3),
 717	I40E_PTT(97,  IP, IPV6, NOF, IP_IP, IPV4, NOF, UDP,  PAY4),
 718	I40E_PTT_UNUSED_ENTRY(98),
 719	I40E_PTT(99,  IP, IPV6, NOF, IP_IP, IPV4, NOF, TCP,  PAY4),
 720	I40E_PTT(100, IP, IPV6, NOF, IP_IP, IPV4, NOF, SCTP, PAY4),
 721	I40E_PTT(101, IP, IPV6, NOF, IP_IP, IPV4, NOF, ICMP, PAY4),
 722
 723	/* IPv6 --> IPv6 */
 724	I40E_PTT(102, IP, IPV6, NOF, IP_IP, IPV6, FRG, NONE, PAY3),
 725	I40E_PTT(103, IP, IPV6, NOF, IP_IP, IPV6, NOF, NONE, PAY3),
 726	I40E_PTT(104, IP, IPV6, NOF, IP_IP, IPV6, NOF, UDP,  PAY4),
 727	I40E_PTT_UNUSED_ENTRY(105),
 728	I40E_PTT(106, IP, IPV6, NOF, IP_IP, IPV6, NOF, TCP,  PAY4),
 729	I40E_PTT(107, IP, IPV6, NOF, IP_IP, IPV6, NOF, SCTP, PAY4),
 730	I40E_PTT(108, IP, IPV6, NOF, IP_IP, IPV6, NOF, ICMP, PAY4),
 731
 732	/* IPv6 --> GRE/NAT */
 733	I40E_PTT(109, IP, IPV6, NOF, IP_GRENAT, NONE, NOF, NONE, PAY3),
 734
 735	/* IPv6 --> GRE/NAT -> IPv4 */
 736	I40E_PTT(110, IP, IPV6, NOF, IP_GRENAT, IPV4, FRG, NONE, PAY3),
 737	I40E_PTT(111, IP, IPV6, NOF, IP_GRENAT, IPV4, NOF, NONE, PAY3),
 738	I40E_PTT(112, IP, IPV6, NOF, IP_GRENAT, IPV4, NOF, UDP,  PAY4),
 739	I40E_PTT_UNUSED_ENTRY(113),
 740	I40E_PTT(114, IP, IPV6, NOF, IP_GRENAT, IPV4, NOF, TCP,  PAY4),
 741	I40E_PTT(115, IP, IPV6, NOF, IP_GRENAT, IPV4, NOF, SCTP, PAY4),
 742	I40E_PTT(116, IP, IPV6, NOF, IP_GRENAT, IPV4, NOF, ICMP, PAY4),
 743
 744	/* IPv6 --> GRE/NAT -> IPv6 */
 745	I40E_PTT(117, IP, IPV6, NOF, IP_GRENAT, IPV6, FRG, NONE, PAY3),
 746	I40E_PTT(118, IP, IPV6, NOF, IP_GRENAT, IPV6, NOF, NONE, PAY3),
 747	I40E_PTT(119, IP, IPV6, NOF, IP_GRENAT, IPV6, NOF, UDP,  PAY4),
 748	I40E_PTT_UNUSED_ENTRY(120),
 749	I40E_PTT(121, IP, IPV6, NOF, IP_GRENAT, IPV6, NOF, TCP,  PAY4),
 750	I40E_PTT(122, IP, IPV6, NOF, IP_GRENAT, IPV6, NOF, SCTP, PAY4),
 751	I40E_PTT(123, IP, IPV6, NOF, IP_GRENAT, IPV6, NOF, ICMP, PAY4),
 752
 753	/* IPv6 --> GRE/NAT -> MAC */
 754	I40E_PTT(124, IP, IPV6, NOF, IP_GRENAT_MAC, NONE, NOF, NONE, PAY3),
 755
 756	/* IPv6 --> GRE/NAT -> MAC -> IPv4 */
 757	I40E_PTT(125, IP, IPV6, NOF, IP_GRENAT_MAC, IPV4, FRG, NONE, PAY3),
 758	I40E_PTT(126, IP, IPV6, NOF, IP_GRENAT_MAC, IPV4, NOF, NONE, PAY3),
 759	I40E_PTT(127, IP, IPV6, NOF, IP_GRENAT_MAC, IPV4, NOF, UDP,  PAY4),
 760	I40E_PTT_UNUSED_ENTRY(128),
 761	I40E_PTT(129, IP, IPV6, NOF, IP_GRENAT_MAC, IPV4, NOF, TCP,  PAY4),
 762	I40E_PTT(130, IP, IPV6, NOF, IP_GRENAT_MAC, IPV4, NOF, SCTP, PAY4),
 763	I40E_PTT(131, IP, IPV6, NOF, IP_GRENAT_MAC, IPV4, NOF, ICMP, PAY4),
 764
 765	/* IPv6 --> GRE/NAT -> MAC -> IPv6 */
 766	I40E_PTT(132, IP, IPV6, NOF, IP_GRENAT_MAC, IPV6, FRG, NONE, PAY3),
 767	I40E_PTT(133, IP, IPV6, NOF, IP_GRENAT_MAC, IPV6, NOF, NONE, PAY3),
 768	I40E_PTT(134, IP, IPV6, NOF, IP_GRENAT_MAC, IPV6, NOF, UDP,  PAY4),
 769	I40E_PTT_UNUSED_ENTRY(135),
 770	I40E_PTT(136, IP, IPV6, NOF, IP_GRENAT_MAC, IPV6, NOF, TCP,  PAY4),
 771	I40E_PTT(137, IP, IPV6, NOF, IP_GRENAT_MAC, IPV6, NOF, SCTP, PAY4),
 772	I40E_PTT(138, IP, IPV6, NOF, IP_GRENAT_MAC, IPV6, NOF, ICMP, PAY4),
 773
 774	/* IPv6 --> GRE/NAT -> MAC/VLAN */
 775	I40E_PTT(139, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, NONE, NOF, NONE, PAY3),
 776
 777	/* IPv6 --> GRE/NAT -> MAC/VLAN --> IPv4 */
 778	I40E_PTT(140, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV4, FRG, NONE, PAY3),
 779	I40E_PTT(141, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, NONE, PAY3),
 780	I40E_PTT(142, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, UDP,  PAY4),
 781	I40E_PTT_UNUSED_ENTRY(143),
 782	I40E_PTT(144, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, TCP,  PAY4),
 783	I40E_PTT(145, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, SCTP, PAY4),
 784	I40E_PTT(146, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, ICMP, PAY4),
 785
 786	/* IPv6 --> GRE/NAT -> MAC/VLAN --> IPv6 */
 787	I40E_PTT(147, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV6, FRG, NONE, PAY3),
 788	I40E_PTT(148, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, NONE, PAY3),
 789	I40E_PTT(149, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, UDP,  PAY4),
 790	I40E_PTT_UNUSED_ENTRY(150),
 791	I40E_PTT(151, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, TCP,  PAY4),
 792	I40E_PTT(152, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, SCTP, PAY4),
 793	I40E_PTT(153, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, ICMP, PAY4),
 794
 795	/* unused entries */
 796	I40E_PTT_UNUSED_ENTRY(154),
 797	I40E_PTT_UNUSED_ENTRY(155),
 798	I40E_PTT_UNUSED_ENTRY(156),
 799	I40E_PTT_UNUSED_ENTRY(157),
 800	I40E_PTT_UNUSED_ENTRY(158),
 801	I40E_PTT_UNUSED_ENTRY(159),
 802
 803	I40E_PTT_UNUSED_ENTRY(160),
 804	I40E_PTT_UNUSED_ENTRY(161),
 805	I40E_PTT_UNUSED_ENTRY(162),
 806	I40E_PTT_UNUSED_ENTRY(163),
 807	I40E_PTT_UNUSED_ENTRY(164),
 808	I40E_PTT_UNUSED_ENTRY(165),
 809	I40E_PTT_UNUSED_ENTRY(166),
 810	I40E_PTT_UNUSED_ENTRY(167),
 811	I40E_PTT_UNUSED_ENTRY(168),
 812	I40E_PTT_UNUSED_ENTRY(169),
 813
 814	I40E_PTT_UNUSED_ENTRY(170),
 815	I40E_PTT_UNUSED_ENTRY(171),
 816	I40E_PTT_UNUSED_ENTRY(172),
 817	I40E_PTT_UNUSED_ENTRY(173),
 818	I40E_PTT_UNUSED_ENTRY(174),
 819	I40E_PTT_UNUSED_ENTRY(175),
 820	I40E_PTT_UNUSED_ENTRY(176),
 821	I40E_PTT_UNUSED_ENTRY(177),
 822	I40E_PTT_UNUSED_ENTRY(178),
 823	I40E_PTT_UNUSED_ENTRY(179),
 824
 825	I40E_PTT_UNUSED_ENTRY(180),
 826	I40E_PTT_UNUSED_ENTRY(181),
 827	I40E_PTT_UNUSED_ENTRY(182),
 828	I40E_PTT_UNUSED_ENTRY(183),
 829	I40E_PTT_UNUSED_ENTRY(184),
 830	I40E_PTT_UNUSED_ENTRY(185),
 831	I40E_PTT_UNUSED_ENTRY(186),
 832	I40E_PTT_UNUSED_ENTRY(187),
 833	I40E_PTT_UNUSED_ENTRY(188),
 834	I40E_PTT_UNUSED_ENTRY(189),
 835
 836	I40E_PTT_UNUSED_ENTRY(190),
 837	I40E_PTT_UNUSED_ENTRY(191),
 838	I40E_PTT_UNUSED_ENTRY(192),
 839	I40E_PTT_UNUSED_ENTRY(193),
 840	I40E_PTT_UNUSED_ENTRY(194),
 841	I40E_PTT_UNUSED_ENTRY(195),
 842	I40E_PTT_UNUSED_ENTRY(196),
 843	I40E_PTT_UNUSED_ENTRY(197),
 844	I40E_PTT_UNUSED_ENTRY(198),
 845	I40E_PTT_UNUSED_ENTRY(199),
 846
 847	I40E_PTT_UNUSED_ENTRY(200),
 848	I40E_PTT_UNUSED_ENTRY(201),
 849	I40E_PTT_UNUSED_ENTRY(202),
 850	I40E_PTT_UNUSED_ENTRY(203),
 851	I40E_PTT_UNUSED_ENTRY(204),
 852	I40E_PTT_UNUSED_ENTRY(205),
 853	I40E_PTT_UNUSED_ENTRY(206),
 854	I40E_PTT_UNUSED_ENTRY(207),
 855	I40E_PTT_UNUSED_ENTRY(208),
 856	I40E_PTT_UNUSED_ENTRY(209),
 857
 858	I40E_PTT_UNUSED_ENTRY(210),
 859	I40E_PTT_UNUSED_ENTRY(211),
 860	I40E_PTT_UNUSED_ENTRY(212),
 861	I40E_PTT_UNUSED_ENTRY(213),
 862	I40E_PTT_UNUSED_ENTRY(214),
 863	I40E_PTT_UNUSED_ENTRY(215),
 864	I40E_PTT_UNUSED_ENTRY(216),
 865	I40E_PTT_UNUSED_ENTRY(217),
 866	I40E_PTT_UNUSED_ENTRY(218),
 867	I40E_PTT_UNUSED_ENTRY(219),
 868
 869	I40E_PTT_UNUSED_ENTRY(220),
 870	I40E_PTT_UNUSED_ENTRY(221),
 871	I40E_PTT_UNUSED_ENTRY(222),
 872	I40E_PTT_UNUSED_ENTRY(223),
 873	I40E_PTT_UNUSED_ENTRY(224),
 874	I40E_PTT_UNUSED_ENTRY(225),
 875	I40E_PTT_UNUSED_ENTRY(226),
 876	I40E_PTT_UNUSED_ENTRY(227),
 877	I40E_PTT_UNUSED_ENTRY(228),
 878	I40E_PTT_UNUSED_ENTRY(229),
 879
 880	I40E_PTT_UNUSED_ENTRY(230),
 881	I40E_PTT_UNUSED_ENTRY(231),
 882	I40E_PTT_UNUSED_ENTRY(232),
 883	I40E_PTT_UNUSED_ENTRY(233),
 884	I40E_PTT_UNUSED_ENTRY(234),
 885	I40E_PTT_UNUSED_ENTRY(235),
 886	I40E_PTT_UNUSED_ENTRY(236),
 887	I40E_PTT_UNUSED_ENTRY(237),
 888	I40E_PTT_UNUSED_ENTRY(238),
 889	I40E_PTT_UNUSED_ENTRY(239),
 890
 891	I40E_PTT_UNUSED_ENTRY(240),
 892	I40E_PTT_UNUSED_ENTRY(241),
 893	I40E_PTT_UNUSED_ENTRY(242),
 894	I40E_PTT_UNUSED_ENTRY(243),
 895	I40E_PTT_UNUSED_ENTRY(244),
 896	I40E_PTT_UNUSED_ENTRY(245),
 897	I40E_PTT_UNUSED_ENTRY(246),
 898	I40E_PTT_UNUSED_ENTRY(247),
 899	I40E_PTT_UNUSED_ENTRY(248),
 900	I40E_PTT_UNUSED_ENTRY(249),
 901
 902	I40E_PTT_UNUSED_ENTRY(250),
 903	I40E_PTT_UNUSED_ENTRY(251),
 904	I40E_PTT_UNUSED_ENTRY(252),
 905	I40E_PTT_UNUSED_ENTRY(253),
 906	I40E_PTT_UNUSED_ENTRY(254),
 907	I40E_PTT_UNUSED_ENTRY(255)
 908};
 909
 910/**
 911 * i40evf_aq_rx_ctl_read_register - use FW to read from an Rx control register
 912 * @hw: pointer to the hw struct
 913 * @reg_addr: register address
 914 * @reg_val: ptr to register value
 915 * @cmd_details: pointer to command details structure or NULL
 916 *
 917 * Use the firmware to read the Rx control register,
 918 * especially useful if the Rx unit is under heavy pressure
 919 **/
 920i40e_status i40evf_aq_rx_ctl_read_register(struct i40e_hw *hw,
 921				u32 reg_addr, u32 *reg_val,
 922				struct i40e_asq_cmd_details *cmd_details)
 923{
 924	struct i40e_aq_desc desc;
 925	struct i40e_aqc_rx_ctl_reg_read_write *cmd_resp =
 926		(struct i40e_aqc_rx_ctl_reg_read_write *)&desc.params.raw;
 927	i40e_status status;
 928
 929	if (!reg_val)
 930		return I40E_ERR_PARAM;
 931
 932	i40evf_fill_default_direct_cmd_desc(&desc,
 933					    i40e_aqc_opc_rx_ctl_reg_read);
 934
 935	cmd_resp->address = cpu_to_le32(reg_addr);
 936
 937	status = i40evf_asq_send_command(hw, &desc, NULL, 0, cmd_details);
 938
 939	if (status == 0)
 940		*reg_val = le32_to_cpu(cmd_resp->value);
 941
 942	return status;
 943}
 944
 945/**
 946 * i40evf_read_rx_ctl - read from an Rx control register
 947 * @hw: pointer to the hw struct
 948 * @reg_addr: register address
 949 **/
 950u32 i40evf_read_rx_ctl(struct i40e_hw *hw, u32 reg_addr)
 951{
 952	i40e_status status = 0;
 953	bool use_register;
 954	int retry = 5;
 955	u32 val = 0;
 956
 957	use_register = (hw->aq.api_maj_ver == 1) && (hw->aq.api_min_ver < 5);
 958	if (!use_register) {
 959do_retry:
 960		status = i40evf_aq_rx_ctl_read_register(hw, reg_addr,
 961							&val, NULL);
 962		if (hw->aq.asq_last_status == I40E_AQ_RC_EAGAIN && retry) {
 963			usleep_range(1000, 2000);
 964			retry--;
 965			goto do_retry;
 966		}
 967	}
 968
 969	/* if the AQ access failed, try the old-fashioned way */
 970	if (status || use_register)
 971		val = rd32(hw, reg_addr);
 972
 973	return val;
 974}
 975
 976/**
 977 * i40evf_aq_rx_ctl_write_register
 978 * @hw: pointer to the hw struct
 979 * @reg_addr: register address
 980 * @reg_val: register value
 981 * @cmd_details: pointer to command details structure or NULL
 982 *
 983 * Use the firmware to write to an Rx control register,
 984 * especially useful if the Rx unit is under heavy pressure
 985 **/
 986i40e_status i40evf_aq_rx_ctl_write_register(struct i40e_hw *hw,
 987				u32 reg_addr, u32 reg_val,
 988				struct i40e_asq_cmd_details *cmd_details)
 989{
 990	struct i40e_aq_desc desc;
 991	struct i40e_aqc_rx_ctl_reg_read_write *cmd =
 992		(struct i40e_aqc_rx_ctl_reg_read_write *)&desc.params.raw;
 993	i40e_status status;
 994
 995	i40evf_fill_default_direct_cmd_desc(&desc,
 996					    i40e_aqc_opc_rx_ctl_reg_write);
 997
 998	cmd->address = cpu_to_le32(reg_addr);
 999	cmd->value = cpu_to_le32(reg_val);
1000
1001	status = i40evf_asq_send_command(hw, &desc, NULL, 0, cmd_details);
1002
1003	return status;
1004}
1005
1006/**
1007 * i40evf_write_rx_ctl - write to an Rx control register
1008 * @hw: pointer to the hw struct
1009 * @reg_addr: register address
1010 * @reg_val: register value
1011 **/
1012void i40evf_write_rx_ctl(struct i40e_hw *hw, u32 reg_addr, u32 reg_val)
1013{
1014	i40e_status status = 0;
1015	bool use_register;
1016	int retry = 5;
1017
1018	use_register = (hw->aq.api_maj_ver == 1) && (hw->aq.api_min_ver < 5);
1019	if (!use_register) {
1020do_retry:
1021		status = i40evf_aq_rx_ctl_write_register(hw, reg_addr,
1022							 reg_val, NULL);
1023		if (hw->aq.asq_last_status == I40E_AQ_RC_EAGAIN && retry) {
1024			usleep_range(1000, 2000);
1025			retry--;
1026			goto do_retry;
1027		}
1028	}
1029
1030	/* if the AQ access failed, try the old-fashioned way */
1031	if (status || use_register)
1032		wr32(hw, reg_addr, reg_val);
1033}
1034
1035/**
1036 * i40e_aq_send_msg_to_pf
1037 * @hw: pointer to the hardware structure
1038 * @v_opcode: opcodes for VF-PF communication
1039 * @v_retval: return error code
1040 * @msg: pointer to the msg buffer
1041 * @msglen: msg length
1042 * @cmd_details: pointer to command details
1043 *
1044 * Send message to PF driver using admin queue. By default, this message
1045 * is sent asynchronously, i.e. i40evf_asq_send_command() does not wait for
1046 * completion before returning.
1047 **/
1048i40e_status i40e_aq_send_msg_to_pf(struct i40e_hw *hw,
1049				enum i40e_virtchnl_ops v_opcode,
1050				i40e_status v_retval,
1051				u8 *msg, u16 msglen,
1052				struct i40e_asq_cmd_details *cmd_details)
1053{
1054	struct i40e_aq_desc desc;
1055	struct i40e_asq_cmd_details details;
1056	i40e_status status;
1057
1058	i40evf_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_send_msg_to_pf);
1059	desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_SI);
1060	desc.cookie_high = cpu_to_le32(v_opcode);
1061	desc.cookie_low = cpu_to_le32(v_retval);
1062	if (msglen) {
1063		desc.flags |= cpu_to_le16((u16)(I40E_AQ_FLAG_BUF
1064						| I40E_AQ_FLAG_RD));
1065		if (msglen > I40E_AQ_LARGE_BUF)
1066			desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
1067		desc.datalen = cpu_to_le16(msglen);
1068	}
1069	if (!cmd_details) {
 
1070		memset(&details, 0, sizeof(details));
1071		details.async = true;
1072		cmd_details = &details;
1073	}
1074	status = i40evf_asq_send_command(hw, &desc, msg, msglen, cmd_details);
1075	return status;
1076}
1077
1078/**
1079 * i40e_vf_parse_hw_config
1080 * @hw: pointer to the hardware structure
1081 * @msg: pointer to the virtual channel VF resource structure
1082 *
1083 * Given a VF resource message from the PF, populate the hw struct
1084 * with appropriate information.
1085 **/
1086void i40e_vf_parse_hw_config(struct i40e_hw *hw,
1087			     struct i40e_virtchnl_vf_resource *msg)
1088{
1089	struct i40e_virtchnl_vsi_resource *vsi_res;
1090	int i;
1091
1092	vsi_res = &msg->vsi_res[0];
1093
1094	hw->dev_caps.num_vsis = msg->num_vsis;
1095	hw->dev_caps.num_rx_qp = msg->num_queue_pairs;
1096	hw->dev_caps.num_tx_qp = msg->num_queue_pairs;
1097	hw->dev_caps.num_msix_vectors_vf = msg->max_vectors;
1098	hw->dev_caps.dcb = msg->vf_offload_flags &
1099			   I40E_VIRTCHNL_VF_OFFLOAD_L2;
1100	hw->dev_caps.fcoe = (msg->vf_offload_flags &
1101			     I40E_VIRTCHNL_VF_OFFLOAD_FCOE) ? 1 : 0;
1102	for (i = 0; i < msg->num_vsis; i++) {
1103		if (vsi_res->vsi_type == I40E_VSI_SRIOV) {
1104			ether_addr_copy(hw->mac.perm_addr,
1105					vsi_res->default_mac_addr);
1106			ether_addr_copy(hw->mac.addr,
1107					vsi_res->default_mac_addr);
1108		}
1109		vsi_res++;
1110	}
1111}
1112
1113/**
1114 * i40e_vf_reset
1115 * @hw: pointer to the hardware structure
1116 *
1117 * Send a VF_RESET message to the PF. Does not wait for response from PF
1118 * as none will be forthcoming. Immediately after calling this function,
1119 * the admin queue should be shut down and (optionally) reinitialized.
1120 **/
1121i40e_status i40e_vf_reset(struct i40e_hw *hw)
1122{
1123	return i40e_aq_send_msg_to_pf(hw, I40E_VIRTCHNL_OP_RESET_VF,
1124				      0, NULL, 0, NULL);
1125}