Deleted Added
full compact
ixgbe_vf.c (238149) ixgbe_vf.c (247822)
1/******************************************************************************
2
1/******************************************************************************
2
3 Copyright (c) 2001-2012, Intel Corporation
3 Copyright (c) 2001-2013, Intel Corporation
4 All rights reserved.
5
6 Redistribution and use in source and binary forms, with or without
7 modification, are permitted provided that the following conditions are met:
8
9 1. Redistributions of source code must retain the above copyright notice,
10 this list of conditions and the following disclaimer.
11
12 2. Redistributions in binary form must reproduce the above copyright
13 notice, this list of conditions and the following disclaimer in the
14 documentation and/or other materials provided with the distribution.
15
16 3. Neither the name of the Intel Corporation nor the names of its
17 contributors may be used to endorse or promote products derived from
18 this software without specific prior written permission.
19
20 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
21 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
24 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 POSSIBILITY OF SUCH DAMAGE.
31
32******************************************************************************/
4 All rights reserved.
5
6 Redistribution and use in source and binary forms, with or without
7 modification, are permitted provided that the following conditions are met:
8
9 1. Redistributions of source code must retain the above copyright notice,
10 this list of conditions and the following disclaimer.
11
12 2. Redistributions in binary form must reproduce the above copyright
13 notice, this list of conditions and the following disclaimer in the
14 documentation and/or other materials provided with the distribution.
15
16 3. Neither the name of the Intel Corporation nor the names of its
17 contributors may be used to endorse or promote products derived from
18 this software without specific prior written permission.
19
20 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
21 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
24 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 POSSIBILITY OF SUCH DAMAGE.
31
32******************************************************************************/
33/*$FreeBSD: head/sys/dev/ixgbe/ixgbe_vf.c 238149 2012-07-05 20:51:44Z jfv $*/
33/*$FreeBSD: head/sys/dev/ixgbe/ixgbe_vf.c 247822 2013-03-04 23:07:40Z jfv $*/
34
35
36#include "ixgbe_api.h"
37#include "ixgbe_type.h"
38#include "ixgbe_vf.h"
39
40#ifndef IXGBE_VFWRITE_REG
41#define IXGBE_VFWRITE_REG IXGBE_WRITE_REG
42#endif
43#ifndef IXGBE_VFREAD_REG
44#define IXGBE_VFREAD_REG IXGBE_READ_REG
45#endif
46
47/**
48 * ixgbe_init_ops_vf - Initialize the pointers for vf
49 * @hw: pointer to hardware structure
50 *
51 * This will assign function pointers, adapter-specific functions can
52 * override the assignment of generic function pointers by assigning
53 * their own adapter-specific function pointers.
54 * Does not touch the hardware.
55 **/
56s32 ixgbe_init_ops_vf(struct ixgbe_hw *hw)
57{
58 /* MAC */
59 hw->mac.ops.init_hw = ixgbe_init_hw_vf;
60 hw->mac.ops.reset_hw = ixgbe_reset_hw_vf;
61 hw->mac.ops.start_hw = ixgbe_start_hw_vf;
62 /* Cannot clear stats on VF */
63 hw->mac.ops.clear_hw_cntrs = NULL;
64 hw->mac.ops.get_media_type = NULL;
65 hw->mac.ops.get_mac_addr = ixgbe_get_mac_addr_vf;
66 hw->mac.ops.stop_adapter = ixgbe_stop_adapter_vf;
67 hw->mac.ops.get_bus_info = NULL;
68
69 /* Link */
70 hw->mac.ops.setup_link = ixgbe_setup_mac_link_vf;
71 hw->mac.ops.check_link = ixgbe_check_mac_link_vf;
72 hw->mac.ops.get_link_capabilities = NULL;
73
74 /* RAR, Multicast, VLAN */
75 hw->mac.ops.set_rar = ixgbe_set_rar_vf;
76 hw->mac.ops.set_uc_addr = ixgbevf_set_uc_addr_vf;
77 hw->mac.ops.init_rx_addrs = NULL;
78 hw->mac.ops.update_mc_addr_list = ixgbe_update_mc_addr_list_vf;
79 hw->mac.ops.enable_mc = NULL;
80 hw->mac.ops.disable_mc = NULL;
81 hw->mac.ops.clear_vfta = NULL;
82 hw->mac.ops.set_vfta = ixgbe_set_vfta_vf;
83
84 hw->mac.max_tx_queues = 1;
85 hw->mac.max_rx_queues = 1;
86
87 hw->mbx.ops.init_params = ixgbe_init_mbx_params_vf;
88
89 return IXGBE_SUCCESS;
90}
91
92/**
93 * ixgbe_start_hw_vf - Prepare hardware for Tx/Rx
94 * @hw: pointer to hardware structure
95 *
96 * Starts the hardware by filling the bus info structure and media type, clears
97 * all on chip counters, initializes receive address registers, multicast
98 * table, VLAN filter table, calls routine to set up link and flow control
99 * settings, and leaves transmit and receive units disabled and uninitialized
100 **/
101s32 ixgbe_start_hw_vf(struct ixgbe_hw *hw)
102{
103 /* Clear adapter stopped flag */
104 hw->adapter_stopped = FALSE;
105
106 return IXGBE_SUCCESS;
107}
108
109/**
110 * ixgbe_init_hw_vf - virtual function hardware initialization
111 * @hw: pointer to hardware structure
112 *
113 * Initialize the hardware by resetting the hardware and then starting
114 * the hardware
115 **/
116s32 ixgbe_init_hw_vf(struct ixgbe_hw *hw)
117{
118 s32 status = hw->mac.ops.start_hw(hw);
119
120 hw->mac.ops.get_mac_addr(hw, hw->mac.addr);
121
122 return status;
123}
124
125/**
126 * ixgbe_reset_hw_vf - Performs hardware reset
127 * @hw: pointer to hardware structure
128 *
129 * Resets the hardware by reseting the transmit and receive units, masks and
130 * clears all interrupts.
131 **/
132s32 ixgbe_reset_hw_vf(struct ixgbe_hw *hw)
133{
134 struct ixgbe_mbx_info *mbx = &hw->mbx;
135 u32 timeout = IXGBE_VF_INIT_TIMEOUT;
136 s32 ret_val = IXGBE_ERR_INVALID_MAC_ADDR;
137 u32 ctrl, msgbuf[IXGBE_VF_PERMADDR_MSG_LEN];
138 u8 *addr = (u8 *)(&msgbuf[1]);
139
140 DEBUGFUNC("ixgbevf_reset_hw_vf");
141
142 /* Call adapter stop to disable tx/rx and clear interrupts */
143 hw->mac.ops.stop_adapter(hw);
144
34
35
36#include "ixgbe_api.h"
37#include "ixgbe_type.h"
38#include "ixgbe_vf.h"
39
40#ifndef IXGBE_VFWRITE_REG
41#define IXGBE_VFWRITE_REG IXGBE_WRITE_REG
42#endif
43#ifndef IXGBE_VFREAD_REG
44#define IXGBE_VFREAD_REG IXGBE_READ_REG
45#endif
46
47/**
48 * ixgbe_init_ops_vf - Initialize the pointers for vf
49 * @hw: pointer to hardware structure
50 *
51 * This will assign function pointers, adapter-specific functions can
52 * override the assignment of generic function pointers by assigning
53 * their own adapter-specific function pointers.
54 * Does not touch the hardware.
55 **/
56s32 ixgbe_init_ops_vf(struct ixgbe_hw *hw)
57{
58 /* MAC */
59 hw->mac.ops.init_hw = ixgbe_init_hw_vf;
60 hw->mac.ops.reset_hw = ixgbe_reset_hw_vf;
61 hw->mac.ops.start_hw = ixgbe_start_hw_vf;
62 /* Cannot clear stats on VF */
63 hw->mac.ops.clear_hw_cntrs = NULL;
64 hw->mac.ops.get_media_type = NULL;
65 hw->mac.ops.get_mac_addr = ixgbe_get_mac_addr_vf;
66 hw->mac.ops.stop_adapter = ixgbe_stop_adapter_vf;
67 hw->mac.ops.get_bus_info = NULL;
68
69 /* Link */
70 hw->mac.ops.setup_link = ixgbe_setup_mac_link_vf;
71 hw->mac.ops.check_link = ixgbe_check_mac_link_vf;
72 hw->mac.ops.get_link_capabilities = NULL;
73
74 /* RAR, Multicast, VLAN */
75 hw->mac.ops.set_rar = ixgbe_set_rar_vf;
76 hw->mac.ops.set_uc_addr = ixgbevf_set_uc_addr_vf;
77 hw->mac.ops.init_rx_addrs = NULL;
78 hw->mac.ops.update_mc_addr_list = ixgbe_update_mc_addr_list_vf;
79 hw->mac.ops.enable_mc = NULL;
80 hw->mac.ops.disable_mc = NULL;
81 hw->mac.ops.clear_vfta = NULL;
82 hw->mac.ops.set_vfta = ixgbe_set_vfta_vf;
83
84 hw->mac.max_tx_queues = 1;
85 hw->mac.max_rx_queues = 1;
86
87 hw->mbx.ops.init_params = ixgbe_init_mbx_params_vf;
88
89 return IXGBE_SUCCESS;
90}
91
92/**
93 * ixgbe_start_hw_vf - Prepare hardware for Tx/Rx
94 * @hw: pointer to hardware structure
95 *
96 * Starts the hardware by filling the bus info structure and media type, clears
97 * all on chip counters, initializes receive address registers, multicast
98 * table, VLAN filter table, calls routine to set up link and flow control
99 * settings, and leaves transmit and receive units disabled and uninitialized
100 **/
101s32 ixgbe_start_hw_vf(struct ixgbe_hw *hw)
102{
103 /* Clear adapter stopped flag */
104 hw->adapter_stopped = FALSE;
105
106 return IXGBE_SUCCESS;
107}
108
109/**
110 * ixgbe_init_hw_vf - virtual function hardware initialization
111 * @hw: pointer to hardware structure
112 *
113 * Initialize the hardware by resetting the hardware and then starting
114 * the hardware
115 **/
116s32 ixgbe_init_hw_vf(struct ixgbe_hw *hw)
117{
118 s32 status = hw->mac.ops.start_hw(hw);
119
120 hw->mac.ops.get_mac_addr(hw, hw->mac.addr);
121
122 return status;
123}
124
125/**
126 * ixgbe_reset_hw_vf - Performs hardware reset
127 * @hw: pointer to hardware structure
128 *
129 * Resets the hardware by reseting the transmit and receive units, masks and
130 * clears all interrupts.
131 **/
132s32 ixgbe_reset_hw_vf(struct ixgbe_hw *hw)
133{
134 struct ixgbe_mbx_info *mbx = &hw->mbx;
135 u32 timeout = IXGBE_VF_INIT_TIMEOUT;
136 s32 ret_val = IXGBE_ERR_INVALID_MAC_ADDR;
137 u32 ctrl, msgbuf[IXGBE_VF_PERMADDR_MSG_LEN];
138 u8 *addr = (u8 *)(&msgbuf[1]);
139
140 DEBUGFUNC("ixgbevf_reset_hw_vf");
141
142 /* Call adapter stop to disable tx/rx and clear interrupts */
143 hw->mac.ops.stop_adapter(hw);
144
145
145 DEBUGOUT("Issuing a function level reset to MAC\n");
146
147 ctrl = IXGBE_VFREAD_REG(hw, IXGBE_VFCTRL) | IXGBE_CTRL_RST;
148 IXGBE_VFWRITE_REG(hw, IXGBE_VFCTRL, ctrl);
149 IXGBE_WRITE_FLUSH(hw);
150
151 msec_delay(50);
152
153 /* we cannot reset while the RSTI / RSTD bits are asserted */
154 while (!mbx->ops.check_for_rst(hw, 0) && timeout) {
155 timeout--;
156 usec_delay(5);
157 }
158
159 if (timeout) {
160 /* mailbox timeout can now become active */
161 mbx->timeout = IXGBE_VF_MBX_INIT_TIMEOUT;
162
163 msgbuf[0] = IXGBE_VF_RESET;
164 mbx->ops.write_posted(hw, msgbuf, 1, 0);
165
166 msec_delay(10);
167
168 /*
169 * set our "perm_addr" based on info provided by PF
170 * also set up the mc_filter_type which is piggy backed
171 * on the mac address in word 3
172 */
173 ret_val = mbx->ops.read_posted(hw, msgbuf,
174 IXGBE_VF_PERMADDR_MSG_LEN, 0);
175 if (!ret_val) {
176 if (msgbuf[0] == (IXGBE_VF_RESET |
177 IXGBE_VT_MSGTYPE_ACK)) {
178 memcpy(hw->mac.perm_addr, addr,
179 IXGBE_ETH_LENGTH_OF_ADDRESS);
180 hw->mac.mc_filter_type =
181 msgbuf[IXGBE_VF_MC_TYPE_WORD];
182 } else {
183 ret_val = IXGBE_ERR_INVALID_MAC_ADDR;
184 }
185 }
186 }
187
188 return ret_val;
189}
190
191/**
192 * ixgbe_stop_adapter_vf - Generic stop Tx/Rx units
193 * @hw: pointer to hardware structure
194 *
195 * Sets the adapter_stopped flag within ixgbe_hw struct. Clears interrupts,
196 * disables transmit and receive units. The adapter_stopped flag is used by
197 * the shared code and drivers to determine if the adapter is in a stopped
198 * state and should not touch the hardware.
199 **/
200s32 ixgbe_stop_adapter_vf(struct ixgbe_hw *hw)
201{
202 u32 reg_val;
203 u16 i;
204
205 /*
206 * Set the adapter_stopped flag so other driver functions stop touching
207 * the hardware
208 */
209 hw->adapter_stopped = TRUE;
210
211 /* Clear interrupt mask to stop from interrupts being generated */
212 IXGBE_VFWRITE_REG(hw, IXGBE_VTEIMC, IXGBE_VF_IRQ_CLEAR_MASK);
213
214 /* Clear any pending interrupts, flush previous writes */
215 IXGBE_VFREAD_REG(hw, IXGBE_VTEICR);
216
217 /* Disable the transmit unit. Each queue must be disabled. */
218 for (i = 0; i < hw->mac.max_tx_queues; i++)
219 IXGBE_VFWRITE_REG(hw, IXGBE_VFTXDCTL(i), IXGBE_TXDCTL_SWFLSH);
220
221 /* Disable the receive unit by stopping each queue */
222 for (i = 0; i < hw->mac.max_rx_queues; i++) {
223 reg_val = IXGBE_VFREAD_REG(hw, IXGBE_VFRXDCTL(i));
224 reg_val &= ~IXGBE_RXDCTL_ENABLE;
225 IXGBE_VFWRITE_REG(hw, IXGBE_VFRXDCTL(i), reg_val);
226 }
227
228 /* flush all queues disables */
229 IXGBE_WRITE_FLUSH(hw);
230 msec_delay(2);
231
232 return IXGBE_SUCCESS;
233}
234
235/**
236 * ixgbe_mta_vector - Determines bit-vector in multicast table to set
237 * @hw: pointer to hardware structure
238 * @mc_addr: the multicast address
239 *
240 * Extracts the 12 bits, from a multicast address, to determine which
241 * bit-vector to set in the multicast table. The hardware uses 12 bits, from
242 * incoming rx multicast addresses, to determine the bit-vector to check in
243 * the MTA. Which of the 4 combination, of 12-bits, the hardware uses is set
244 * by the MO field of the MCSTCTRL. The MO field is set during initialization
245 * to mc_filter_type.
246 **/
247static s32 ixgbe_mta_vector(struct ixgbe_hw *hw, u8 *mc_addr)
248{
249 u32 vector = 0;
250
251 switch (hw->mac.mc_filter_type) {
252 case 0: /* use bits [47:36] of the address */
253 vector = ((mc_addr[4] >> 4) | (((u16)mc_addr[5]) << 4));
254 break;
255 case 1: /* use bits [46:35] of the address */
256 vector = ((mc_addr[4] >> 3) | (((u16)mc_addr[5]) << 5));
257 break;
258 case 2: /* use bits [45:34] of the address */
259 vector = ((mc_addr[4] >> 2) | (((u16)mc_addr[5]) << 6));
260 break;
261 case 3: /* use bits [43:32] of the address */
262 vector = ((mc_addr[4]) | (((u16)mc_addr[5]) << 8));
263 break;
264 default: /* Invalid mc_filter_type */
265 DEBUGOUT("MC filter type param set incorrectly\n");
266 ASSERT(0);
267 break;
268 }
269
270 /* vector can only be 12-bits or boundary will be exceeded */
271 vector &= 0xFFF;
272 return vector;
273}
274
146 DEBUGOUT("Issuing a function level reset to MAC\n");
147
148 ctrl = IXGBE_VFREAD_REG(hw, IXGBE_VFCTRL) | IXGBE_CTRL_RST;
149 IXGBE_VFWRITE_REG(hw, IXGBE_VFCTRL, ctrl);
150 IXGBE_WRITE_FLUSH(hw);
151
152 msec_delay(50);
153
154 /* we cannot reset while the RSTI / RSTD bits are asserted */
155 while (!mbx->ops.check_for_rst(hw, 0) && timeout) {
156 timeout--;
157 usec_delay(5);
158 }
159
160 if (timeout) {
161 /* mailbox timeout can now become active */
162 mbx->timeout = IXGBE_VF_MBX_INIT_TIMEOUT;
163
164 msgbuf[0] = IXGBE_VF_RESET;
165 mbx->ops.write_posted(hw, msgbuf, 1, 0);
166
167 msec_delay(10);
168
169 /*
170 * set our "perm_addr" based on info provided by PF
171 * also set up the mc_filter_type which is piggy backed
172 * on the mac address in word 3
173 */
174 ret_val = mbx->ops.read_posted(hw, msgbuf,
175 IXGBE_VF_PERMADDR_MSG_LEN, 0);
176 if (!ret_val) {
177 if (msgbuf[0] == (IXGBE_VF_RESET |
178 IXGBE_VT_MSGTYPE_ACK)) {
179 memcpy(hw->mac.perm_addr, addr,
180 IXGBE_ETH_LENGTH_OF_ADDRESS);
181 hw->mac.mc_filter_type =
182 msgbuf[IXGBE_VF_MC_TYPE_WORD];
183 } else {
184 ret_val = IXGBE_ERR_INVALID_MAC_ADDR;
185 }
186 }
187 }
188
189 return ret_val;
190}
191
192/**
193 * ixgbe_stop_adapter_vf - Generic stop Tx/Rx units
194 * @hw: pointer to hardware structure
195 *
196 * Sets the adapter_stopped flag within ixgbe_hw struct. Clears interrupts,
197 * disables transmit and receive units. The adapter_stopped flag is used by
198 * the shared code and drivers to determine if the adapter is in a stopped
199 * state and should not touch the hardware.
200 **/
201s32 ixgbe_stop_adapter_vf(struct ixgbe_hw *hw)
202{
203 u32 reg_val;
204 u16 i;
205
206 /*
207 * Set the adapter_stopped flag so other driver functions stop touching
208 * the hardware
209 */
210 hw->adapter_stopped = TRUE;
211
212 /* Clear interrupt mask to stop from interrupts being generated */
213 IXGBE_VFWRITE_REG(hw, IXGBE_VTEIMC, IXGBE_VF_IRQ_CLEAR_MASK);
214
215 /* Clear any pending interrupts, flush previous writes */
216 IXGBE_VFREAD_REG(hw, IXGBE_VTEICR);
217
218 /* Disable the transmit unit. Each queue must be disabled. */
219 for (i = 0; i < hw->mac.max_tx_queues; i++)
220 IXGBE_VFWRITE_REG(hw, IXGBE_VFTXDCTL(i), IXGBE_TXDCTL_SWFLSH);
221
222 /* Disable the receive unit by stopping each queue */
223 for (i = 0; i < hw->mac.max_rx_queues; i++) {
224 reg_val = IXGBE_VFREAD_REG(hw, IXGBE_VFRXDCTL(i));
225 reg_val &= ~IXGBE_RXDCTL_ENABLE;
226 IXGBE_VFWRITE_REG(hw, IXGBE_VFRXDCTL(i), reg_val);
227 }
228
229 /* flush all queues disables */
230 IXGBE_WRITE_FLUSH(hw);
231 msec_delay(2);
232
233 return IXGBE_SUCCESS;
234}
235
236/**
237 * ixgbe_mta_vector - Determines bit-vector in multicast table to set
238 * @hw: pointer to hardware structure
239 * @mc_addr: the multicast address
240 *
241 * Extracts the 12 bits, from a multicast address, to determine which
242 * bit-vector to set in the multicast table. The hardware uses 12 bits, from
243 * incoming rx multicast addresses, to determine the bit-vector to check in
244 * the MTA. Which of the 4 combination, of 12-bits, the hardware uses is set
245 * by the MO field of the MCSTCTRL. The MO field is set during initialization
246 * to mc_filter_type.
247 **/
248static s32 ixgbe_mta_vector(struct ixgbe_hw *hw, u8 *mc_addr)
249{
250 u32 vector = 0;
251
252 switch (hw->mac.mc_filter_type) {
253 case 0: /* use bits [47:36] of the address */
254 vector = ((mc_addr[4] >> 4) | (((u16)mc_addr[5]) << 4));
255 break;
256 case 1: /* use bits [46:35] of the address */
257 vector = ((mc_addr[4] >> 3) | (((u16)mc_addr[5]) << 5));
258 break;
259 case 2: /* use bits [45:34] of the address */
260 vector = ((mc_addr[4] >> 2) | (((u16)mc_addr[5]) << 6));
261 break;
262 case 3: /* use bits [43:32] of the address */
263 vector = ((mc_addr[4]) | (((u16)mc_addr[5]) << 8));
264 break;
265 default: /* Invalid mc_filter_type */
266 DEBUGOUT("MC filter type param set incorrectly\n");
267 ASSERT(0);
268 break;
269 }
270
271 /* vector can only be 12-bits or boundary will be exceeded */
272 vector &= 0xFFF;
273 return vector;
274}
275
276static void ixgbevf_write_msg_read_ack(struct ixgbe_hw *hw,
277 u32 *msg, u16 size)
278{
279 struct ixgbe_mbx_info *mbx = &hw->mbx;
280 u32 retmsg[IXGBE_VFMAILBOX_SIZE];
281 s32 retval = mbx->ops.write_posted(hw, msg, size, 0);
282
283 if (!retval)
284 mbx->ops.read_posted(hw, retmsg, size, 0);
285}
286
275/**
276 * ixgbe_set_rar_vf - set device MAC address
277 * @hw: pointer to hardware structure
278 * @index: Receive address register to write
279 * @addr: Address to put into receive address register
280 * @vmdq: VMDq "set" or "pool" index
281 * @enable_addr: set flag that address is active
282 **/
283s32 ixgbe_set_rar_vf(struct ixgbe_hw *hw, u32 index, u8 *addr, u32 vmdq,
284 u32 enable_addr)
285{
286 struct ixgbe_mbx_info *mbx = &hw->mbx;
287 u32 msgbuf[3];
288 u8 *msg_addr = (u8 *)(&msgbuf[1]);
289 s32 ret_val;
290 UNREFERENCED_3PARAMETER(vmdq, enable_addr, index);
291
292 memset(msgbuf, 0, 12);
293 msgbuf[0] = IXGBE_VF_SET_MAC_ADDR;
294 memcpy(msg_addr, addr, 6);
295 ret_val = mbx->ops.write_posted(hw, msgbuf, 3, 0);
296
297 if (!ret_val)
298 ret_val = mbx->ops.read_posted(hw, msgbuf, 3, 0);
299
300 msgbuf[0] &= ~IXGBE_VT_MSGTYPE_CTS;
301
302 /* if nacked the address was rejected, use "perm_addr" */
303 if (!ret_val &&
304 (msgbuf[0] == (IXGBE_VF_SET_MAC_ADDR | IXGBE_VT_MSGTYPE_NACK)))
305 ixgbe_get_mac_addr_vf(hw, hw->mac.addr);
306
307 return ret_val;
308}
309
310/**
311 * ixgbe_update_mc_addr_list_vf - Update Multicast addresses
312 * @hw: pointer to the HW structure
313 * @mc_addr_list: array of multicast addresses to program
314 * @mc_addr_count: number of multicast addresses to program
315 * @next: caller supplied function to return next address in list
316 *
317 * Updates the Multicast Table Array.
318 **/
319s32 ixgbe_update_mc_addr_list_vf(struct ixgbe_hw *hw, u8 *mc_addr_list,
320 u32 mc_addr_count, ixgbe_mc_addr_itr next,
321 bool clear)
322{
323 struct ixgbe_mbx_info *mbx = &hw->mbx;
324 u32 msgbuf[IXGBE_VFMAILBOX_SIZE];
325 u16 *vector_list = (u16 *)&msgbuf[1];
326 u32 vector;
327 u32 cnt, i;
328 u32 vmdq;
329
330 UNREFERENCED_1PARAMETER(clear);
331
332 DEBUGFUNC("ixgbe_update_mc_addr_list_vf");
333
334 /* Each entry in the list uses 1 16 bit word. We have 30
335 * 16 bit words available in our HW msg buffer (minus 1 for the
336 * msg type). That's 30 hash values if we pack 'em right. If
337 * there are more than 30 MC addresses to add then punt the
338 * extras for now and then add code to handle more than 30 later.
339 * It would be unusual for a server to request that many multi-cast
340 * addresses except for in large enterprise network environments.
341 */
342
343 DEBUGOUT1("MC Addr Count = %d\n", mc_addr_count);
344
345 cnt = (mc_addr_count > 30) ? 30 : mc_addr_count;
346 msgbuf[0] = IXGBE_VF_SET_MULTICAST;
347 msgbuf[0] |= cnt << IXGBE_VT_MSGINFO_SHIFT;
348
349 for (i = 0; i < cnt; i++) {
350 vector = ixgbe_mta_vector(hw, next(hw, &mc_addr_list, &vmdq));
351 DEBUGOUT1("Hash value = 0x%03X\n", vector);
352 vector_list[i] = (u16)vector;
353 }
354
355 return mbx->ops.write_posted(hw, msgbuf, IXGBE_VFMAILBOX_SIZE, 0);
356}
357
358/**
359 * ixgbe_set_vfta_vf - Set/Unset vlan filter table address
360 * @hw: pointer to the HW structure
361 * @vlan: 12 bit VLAN ID
362 * @vind: unused by VF drivers
363 * @vlan_on: if TRUE then set bit, else clear bit
364 **/
365s32 ixgbe_set_vfta_vf(struct ixgbe_hw *hw, u32 vlan, u32 vind, bool vlan_on)
366{
367 struct ixgbe_mbx_info *mbx = &hw->mbx;
368 u32 msgbuf[2];
369 s32 ret_val;
370 UNREFERENCED_1PARAMETER(vind);
371
372 msgbuf[0] = IXGBE_VF_SET_VLAN;
373 msgbuf[1] = vlan;
374 /* Setting the 8 bit field MSG INFO to TRUE indicates "add" */
375 msgbuf[0] |= vlan_on << IXGBE_VT_MSGINFO_SHIFT;
376
377 ret_val = mbx->ops.write_posted(hw, msgbuf, 2, 0);
378 if (!ret_val)
379 ret_val = mbx->ops.read_posted(hw, msgbuf, 1, 0);
380
381 if (!ret_val && (msgbuf[0] & IXGBE_VT_MSGTYPE_ACK))
382 return IXGBE_SUCCESS;
383
384 return ret_val | (msgbuf[0] & IXGBE_VT_MSGTYPE_NACK);
385}
386
387/**
388 * ixgbe_get_num_of_tx_queues_vf - Get number of TX queues
389 * @hw: pointer to hardware structure
390 *
391 * Returns the number of transmit queues for the given adapter.
392 **/
393u32 ixgbe_get_num_of_tx_queues_vf(struct ixgbe_hw *hw)
394{
395 UNREFERENCED_1PARAMETER(hw);
396 return IXGBE_VF_MAX_TX_QUEUES;
397}
398
399/**
400 * ixgbe_get_num_of_rx_queues_vf - Get number of RX queues
401 * @hw: pointer to hardware structure
402 *
403 * Returns the number of receive queues for the given adapter.
404 **/
405u32 ixgbe_get_num_of_rx_queues_vf(struct ixgbe_hw *hw)
406{
407 UNREFERENCED_1PARAMETER(hw);
408 return IXGBE_VF_MAX_RX_QUEUES;
409}
410
411/**
412 * ixgbe_get_mac_addr_vf - Read device MAC address
413 * @hw: pointer to the HW structure
414 **/
415s32 ixgbe_get_mac_addr_vf(struct ixgbe_hw *hw, u8 *mac_addr)
416{
417 int i;
418
419 for (i = 0; i < IXGBE_ETH_LENGTH_OF_ADDRESS; i++)
420 mac_addr[i] = hw->mac.perm_addr[i];
421
422 return IXGBE_SUCCESS;
423}
424
425s32 ixgbevf_set_uc_addr_vf(struct ixgbe_hw *hw, u32 index, u8 *addr)
426{
427 struct ixgbe_mbx_info *mbx = &hw->mbx;
428 u32 msgbuf[3];
429 u8 *msg_addr = (u8 *)(&msgbuf[1]);
430 s32 ret_val;
431
432 memset(msgbuf, 0, sizeof(msgbuf));
433 /*
434 * If index is one then this is the start of a new list and needs
435 * indication to the PF so it can do it's own list management.
436 * If it is zero then that tells the PF to just clear all of
437 * this VF's macvlans and there is no new list.
438 */
439 msgbuf[0] |= index << IXGBE_VT_MSGINFO_SHIFT;
440 msgbuf[0] |= IXGBE_VF_SET_MACVLAN;
441 if (addr)
442 memcpy(msg_addr, addr, 6);
443 ret_val = mbx->ops.write_posted(hw, msgbuf, 3, 0);
444
445 if (!ret_val)
446 ret_val = mbx->ops.read_posted(hw, msgbuf, 3, 0);
447
448 msgbuf[0] &= ~IXGBE_VT_MSGTYPE_CTS;
449
450 if (!ret_val)
451 if (msgbuf[0] == (IXGBE_VF_SET_MACVLAN | IXGBE_VT_MSGTYPE_NACK))
452 ret_val = IXGBE_ERR_OUT_OF_MEM;
453
454 return ret_val;
455}
456
457/**
458 * ixgbe_setup_mac_link_vf - Setup MAC link settings
459 * @hw: pointer to hardware structure
460 * @speed: new link speed
461 * @autoneg: TRUE if autonegotiation enabled
462 * @autoneg_wait_to_complete: TRUE when waiting for completion is needed
463 *
464 * Set the link speed in the AUTOC register and restarts link.
465 **/
287/**
288 * ixgbe_set_rar_vf - set device MAC address
289 * @hw: pointer to hardware structure
290 * @index: Receive address register to write
291 * @addr: Address to put into receive address register
292 * @vmdq: VMDq "set" or "pool" index
293 * @enable_addr: set flag that address is active
294 **/
295s32 ixgbe_set_rar_vf(struct ixgbe_hw *hw, u32 index, u8 *addr, u32 vmdq,
296 u32 enable_addr)
297{
298 struct ixgbe_mbx_info *mbx = &hw->mbx;
299 u32 msgbuf[3];
300 u8 *msg_addr = (u8 *)(&msgbuf[1]);
301 s32 ret_val;
302 UNREFERENCED_3PARAMETER(vmdq, enable_addr, index);
303
304 memset(msgbuf, 0, 12);
305 msgbuf[0] = IXGBE_VF_SET_MAC_ADDR;
306 memcpy(msg_addr, addr, 6);
307 ret_val = mbx->ops.write_posted(hw, msgbuf, 3, 0);
308
309 if (!ret_val)
310 ret_val = mbx->ops.read_posted(hw, msgbuf, 3, 0);
311
312 msgbuf[0] &= ~IXGBE_VT_MSGTYPE_CTS;
313
314 /* if nacked the address was rejected, use "perm_addr" */
315 if (!ret_val &&
316 (msgbuf[0] == (IXGBE_VF_SET_MAC_ADDR | IXGBE_VT_MSGTYPE_NACK)))
317 ixgbe_get_mac_addr_vf(hw, hw->mac.addr);
318
319 return ret_val;
320}
321
322/**
323 * ixgbe_update_mc_addr_list_vf - Update Multicast addresses
324 * @hw: pointer to the HW structure
325 * @mc_addr_list: array of multicast addresses to program
326 * @mc_addr_count: number of multicast addresses to program
327 * @next: caller supplied function to return next address in list
328 *
329 * Updates the Multicast Table Array.
330 **/
331s32 ixgbe_update_mc_addr_list_vf(struct ixgbe_hw *hw, u8 *mc_addr_list,
332 u32 mc_addr_count, ixgbe_mc_addr_itr next,
333 bool clear)
334{
335 struct ixgbe_mbx_info *mbx = &hw->mbx;
336 u32 msgbuf[IXGBE_VFMAILBOX_SIZE];
337 u16 *vector_list = (u16 *)&msgbuf[1];
338 u32 vector;
339 u32 cnt, i;
340 u32 vmdq;
341
342 UNREFERENCED_1PARAMETER(clear);
343
344 DEBUGFUNC("ixgbe_update_mc_addr_list_vf");
345
346 /* Each entry in the list uses 1 16 bit word. We have 30
347 * 16 bit words available in our HW msg buffer (minus 1 for the
348 * msg type). That's 30 hash values if we pack 'em right. If
349 * there are more than 30 MC addresses to add then punt the
350 * extras for now and then add code to handle more than 30 later.
351 * It would be unusual for a server to request that many multi-cast
352 * addresses except for in large enterprise network environments.
353 */
354
355 DEBUGOUT1("MC Addr Count = %d\n", mc_addr_count);
356
357 cnt = (mc_addr_count > 30) ? 30 : mc_addr_count;
358 msgbuf[0] = IXGBE_VF_SET_MULTICAST;
359 msgbuf[0] |= cnt << IXGBE_VT_MSGINFO_SHIFT;
360
361 for (i = 0; i < cnt; i++) {
362 vector = ixgbe_mta_vector(hw, next(hw, &mc_addr_list, &vmdq));
363 DEBUGOUT1("Hash value = 0x%03X\n", vector);
364 vector_list[i] = (u16)vector;
365 }
366
367 return mbx->ops.write_posted(hw, msgbuf, IXGBE_VFMAILBOX_SIZE, 0);
368}
369
370/**
371 * ixgbe_set_vfta_vf - Set/Unset vlan filter table address
372 * @hw: pointer to the HW structure
373 * @vlan: 12 bit VLAN ID
374 * @vind: unused by VF drivers
375 * @vlan_on: if TRUE then set bit, else clear bit
376 **/
377s32 ixgbe_set_vfta_vf(struct ixgbe_hw *hw, u32 vlan, u32 vind, bool vlan_on)
378{
379 struct ixgbe_mbx_info *mbx = &hw->mbx;
380 u32 msgbuf[2];
381 s32 ret_val;
382 UNREFERENCED_1PARAMETER(vind);
383
384 msgbuf[0] = IXGBE_VF_SET_VLAN;
385 msgbuf[1] = vlan;
386 /* Setting the 8 bit field MSG INFO to TRUE indicates "add" */
387 msgbuf[0] |= vlan_on << IXGBE_VT_MSGINFO_SHIFT;
388
389 ret_val = mbx->ops.write_posted(hw, msgbuf, 2, 0);
390 if (!ret_val)
391 ret_val = mbx->ops.read_posted(hw, msgbuf, 1, 0);
392
393 if (!ret_val && (msgbuf[0] & IXGBE_VT_MSGTYPE_ACK))
394 return IXGBE_SUCCESS;
395
396 return ret_val | (msgbuf[0] & IXGBE_VT_MSGTYPE_NACK);
397}
398
399/**
400 * ixgbe_get_num_of_tx_queues_vf - Get number of TX queues
401 * @hw: pointer to hardware structure
402 *
403 * Returns the number of transmit queues for the given adapter.
404 **/
405u32 ixgbe_get_num_of_tx_queues_vf(struct ixgbe_hw *hw)
406{
407 UNREFERENCED_1PARAMETER(hw);
408 return IXGBE_VF_MAX_TX_QUEUES;
409}
410
411/**
412 * ixgbe_get_num_of_rx_queues_vf - Get number of RX queues
413 * @hw: pointer to hardware structure
414 *
415 * Returns the number of receive queues for the given adapter.
416 **/
417u32 ixgbe_get_num_of_rx_queues_vf(struct ixgbe_hw *hw)
418{
419 UNREFERENCED_1PARAMETER(hw);
420 return IXGBE_VF_MAX_RX_QUEUES;
421}
422
423/**
424 * ixgbe_get_mac_addr_vf - Read device MAC address
425 * @hw: pointer to the HW structure
426 **/
427s32 ixgbe_get_mac_addr_vf(struct ixgbe_hw *hw, u8 *mac_addr)
428{
429 int i;
430
431 for (i = 0; i < IXGBE_ETH_LENGTH_OF_ADDRESS; i++)
432 mac_addr[i] = hw->mac.perm_addr[i];
433
434 return IXGBE_SUCCESS;
435}
436
437s32 ixgbevf_set_uc_addr_vf(struct ixgbe_hw *hw, u32 index, u8 *addr)
438{
439 struct ixgbe_mbx_info *mbx = &hw->mbx;
440 u32 msgbuf[3];
441 u8 *msg_addr = (u8 *)(&msgbuf[1]);
442 s32 ret_val;
443
444 memset(msgbuf, 0, sizeof(msgbuf));
445 /*
446 * If index is one then this is the start of a new list and needs
447 * indication to the PF so it can do it's own list management.
448 * If it is zero then that tells the PF to just clear all of
449 * this VF's macvlans and there is no new list.
450 */
451 msgbuf[0] |= index << IXGBE_VT_MSGINFO_SHIFT;
452 msgbuf[0] |= IXGBE_VF_SET_MACVLAN;
453 if (addr)
454 memcpy(msg_addr, addr, 6);
455 ret_val = mbx->ops.write_posted(hw, msgbuf, 3, 0);
456
457 if (!ret_val)
458 ret_val = mbx->ops.read_posted(hw, msgbuf, 3, 0);
459
460 msgbuf[0] &= ~IXGBE_VT_MSGTYPE_CTS;
461
462 if (!ret_val)
463 if (msgbuf[0] == (IXGBE_VF_SET_MACVLAN | IXGBE_VT_MSGTYPE_NACK))
464 ret_val = IXGBE_ERR_OUT_OF_MEM;
465
466 return ret_val;
467}
468
469/**
470 * ixgbe_setup_mac_link_vf - Setup MAC link settings
471 * @hw: pointer to hardware structure
472 * @speed: new link speed
473 * @autoneg: TRUE if autonegotiation enabled
474 * @autoneg_wait_to_complete: TRUE when waiting for completion is needed
475 *
476 * Set the link speed in the AUTOC register and restarts link.
477 **/
466s32 ixgbe_setup_mac_link_vf(struct ixgbe_hw *hw,
467 ixgbe_link_speed speed, bool autoneg,
478s32 ixgbe_setup_mac_link_vf(struct ixgbe_hw *hw, ixgbe_link_speed speed,
468 bool autoneg_wait_to_complete)
469{
479 bool autoneg_wait_to_complete)
480{
470 UNREFERENCED_4PARAMETER(hw, speed, autoneg, autoneg_wait_to_complete);
481 UNREFERENCED_3PARAMETER(hw, speed, autoneg_wait_to_complete);
471 return IXGBE_SUCCESS;
472}
473
474/**
475 * ixgbe_check_mac_link_vf - Get link/speed status
476 * @hw: pointer to hardware structure
477 * @speed: pointer to link speed
478 * @link_up: TRUE is link is up, FALSE otherwise
479 * @autoneg_wait_to_complete: TRUE when waiting for completion is needed
480 *
481 * Reads the links register to determine if link is up and the current speed
482 **/
483s32 ixgbe_check_mac_link_vf(struct ixgbe_hw *hw, ixgbe_link_speed *speed,
484 bool *link_up, bool autoneg_wait_to_complete)
485{
482 return IXGBE_SUCCESS;
483}
484
485/**
486 * ixgbe_check_mac_link_vf - Get link/speed status
487 * @hw: pointer to hardware structure
488 * @speed: pointer to link speed
489 * @link_up: TRUE is link is up, FALSE otherwise
490 * @autoneg_wait_to_complete: TRUE when waiting for completion is needed
491 *
492 * Reads the links register to determine if link is up and the current speed
493 **/
494s32 ixgbe_check_mac_link_vf(struct ixgbe_hw *hw, ixgbe_link_speed *speed,
495 bool *link_up, bool autoneg_wait_to_complete)
496{
497 struct ixgbe_mbx_info *mbx = &hw->mbx;
498 struct ixgbe_mac_info *mac = &hw->mac;
499 s32 ret_val = IXGBE_SUCCESS;
486 u32 links_reg;
500 u32 links_reg;
501 u32 in_msg = 0;
487 UNREFERENCED_1PARAMETER(autoneg_wait_to_complete);
488
502 UNREFERENCED_1PARAMETER(autoneg_wait_to_complete);
503
489 if (!(hw->mbx.ops.check_for_rst(hw, 0))) {
490 *link_up = FALSE;
491 *speed = 0;
492 return -1;
493 }
504 /* If we were hit with a reset drop the link */
505 if (!mbx->ops.check_for_rst(hw, 0) || !mbx->timeout)
506 mac->get_link_status = TRUE;
494
507
495 links_reg = IXGBE_VFREAD_REG(hw, IXGBE_VFLINKS);
508 if (!mac->get_link_status)
509 goto out;
496
510
497 if (links_reg & IXGBE_LINKS_UP)
498 *link_up = TRUE;
499 else
500 *link_up = FALSE;
511 /* if link status is down no point in checking to see if pf is up */
512 links_reg = IXGBE_READ_REG(hw, IXGBE_VFLINKS);
513 if (!(links_reg & IXGBE_LINKS_UP))
514 goto out;
501
515
502 switch (links_reg & IXGBE_LINKS_SPEED_10G_82599) {
516 switch (links_reg & IXGBE_LINKS_SPEED_82599) {
503 case IXGBE_LINKS_SPEED_10G_82599:
504 *speed = IXGBE_LINK_SPEED_10GB_FULL;
505 break;
506 case IXGBE_LINKS_SPEED_1G_82599:
507 *speed = IXGBE_LINK_SPEED_1GB_FULL;
508 break;
509 case IXGBE_LINKS_SPEED_100_82599:
510 *speed = IXGBE_LINK_SPEED_100_FULL;
511 break;
512 }
513
517 case IXGBE_LINKS_SPEED_10G_82599:
518 *speed = IXGBE_LINK_SPEED_10GB_FULL;
519 break;
520 case IXGBE_LINKS_SPEED_1G_82599:
521 *speed = IXGBE_LINK_SPEED_1GB_FULL;
522 break;
523 case IXGBE_LINKS_SPEED_100_82599:
524 *speed = IXGBE_LINK_SPEED_100_FULL;
525 break;
526 }
527
528 /* if the read failed it could just be a mailbox collision, best wait
529 * until we are called again and don't report an error
530 */
531 if (mbx->ops.read(hw, &in_msg, 1, 0))
532 goto out;
533
534 if (!(in_msg & IXGBE_VT_MSGTYPE_CTS)) {
535 /* msg is not CTS and is NACK we must have lost CTS status */
536 if (in_msg & IXGBE_VT_MSGTYPE_NACK)
537 ret_val = -1;
538 goto out;
539 }
540
541 /* the pf is talking, if we timed out in the past we reinit */
542 if (!mbx->timeout) {
543 ret_val = -1;
544 goto out;
545 }
546
547 /* if we passed all the tests above then the link is up and we no
548 * longer need to check for link
549 */
550 mac->get_link_status = FALSE;
551
552out:
553 *link_up = !mac->get_link_status;
554 return ret_val;
555}
556
557/**
558 * ixgbevf_rlpml_set_vf - Set the maximum receive packet length
559 * @hw: pointer to the HW structure
560 * @max_size: value to assign to max frame size
561 **/
562void ixgbevf_rlpml_set_vf(struct ixgbe_hw *hw, u16 max_size)
563{
564 u32 msgbuf[2];
565
566 msgbuf[0] = IXGBE_VF_SET_LPE;
567 msgbuf[1] = max_size;
568 ixgbevf_write_msg_read_ack(hw, msgbuf, 2);
569}
570
571/**
572 * ixgbevf_negotiate_api_version - Negotiate supported API version
573 * @hw: pointer to the HW structure
574 * @api: integer containing requested API version
575 **/
576int ixgbevf_negotiate_api_version(struct ixgbe_hw *hw, int api)
577{
578 int err;
579 u32 msg[3];
580
581 /* Negotiate the mailbox API version */
582 msg[0] = IXGBE_VF_API_NEGOTIATE;
583 msg[1] = api;
584 msg[2] = 0;
585 err = hw->mbx.ops.write_posted(hw, msg, 3, 0);
586
587 if (!err)
588 err = hw->mbx.ops.read_posted(hw, msg, 3, 0);
589
590 if (!err) {
591 msg[0] &= ~IXGBE_VT_MSGTYPE_CTS;
592
593 /* Store value and return 0 on success */
594 if (msg[0] == (IXGBE_VF_API_NEGOTIATE | IXGBE_VT_MSGTYPE_ACK)) {
595 hw->api_version = api;
596 return 0;
597 }
598
599 err = IXGBE_ERR_INVALID_ARGUMENT;
600 }
601
602 return err;
603}
604
605int ixgbevf_get_queues(struct ixgbe_hw *hw, unsigned int *num_tcs,
606 unsigned int *default_tc)
607{
608 UNREFERENCED_3PARAMETER(hw, num_tcs, default_tc);
514 return IXGBE_SUCCESS;
515}
516
609 return IXGBE_SUCCESS;
610}
611