xref: /freebsd/sys/dev/ixl/ixl_pf_main.c (revision 3e8eb5c7f4909209c042403ddee340b2ee7003a5)
1 /******************************************************************************
2 
3   Copyright (c) 2013-2018, 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 ******************************************************************************/
33 /*$FreeBSD$*/
34 
35 
36 #include "ixl_pf.h"
37 
38 #ifdef PCI_IOV
39 #include "ixl_pf_iov.h"
40 #endif
41 
42 #ifdef IXL_IW
43 #include "ixl_iw.h"
44 #include "ixl_iw_int.h"
45 #endif
46 
47 static u8	ixl_convert_sysctl_aq_link_speed(u8, bool);
48 static void	ixl_sbuf_print_bytes(struct sbuf *, u8 *, int, int, bool);
49 static const char * ixl_link_speed_string(enum i40e_aq_link_speed);
50 static u_int	ixl_add_maddr(void *, struct sockaddr_dl *, u_int);
51 static u_int	ixl_match_maddr(void *, struct sockaddr_dl *, u_int);
52 static char *	ixl_switch_element_string(struct sbuf *, u8, u16);
53 static enum ixl_fw_mode ixl_get_fw_mode(struct ixl_pf *);
54 
55 /* Sysctls */
56 static int	ixl_sysctl_set_advertise(SYSCTL_HANDLER_ARGS);
57 static int	ixl_sysctl_supported_speeds(SYSCTL_HANDLER_ARGS);
58 static int	ixl_sysctl_current_speed(SYSCTL_HANDLER_ARGS);
59 static int	ixl_sysctl_show_fw(SYSCTL_HANDLER_ARGS);
60 static int	ixl_sysctl_unallocated_queues(SYSCTL_HANDLER_ARGS);
61 static int	ixl_sysctl_pf_tx_itr(SYSCTL_HANDLER_ARGS);
62 static int	ixl_sysctl_pf_rx_itr(SYSCTL_HANDLER_ARGS);
63 
64 static int	ixl_sysctl_eee_enable(SYSCTL_HANDLER_ARGS);
65 static int	ixl_sysctl_set_link_active(SYSCTL_HANDLER_ARGS);
66 
67 /* Debug Sysctls */
68 static int 	ixl_sysctl_link_status(SYSCTL_HANDLER_ARGS);
69 static int	ixl_sysctl_phy_abilities(SYSCTL_HANDLER_ARGS);
70 static int	ixl_sysctl_sw_filter_list(SYSCTL_HANDLER_ARGS);
71 static int	ixl_sysctl_hw_res_alloc(SYSCTL_HANDLER_ARGS);
72 static int	ixl_sysctl_switch_config(SYSCTL_HANDLER_ARGS);
73 static int	ixl_sysctl_switch_vlans(SYSCTL_HANDLER_ARGS);
74 static int	ixl_sysctl_hkey(SYSCTL_HANDLER_ARGS);
75 static int	ixl_sysctl_hena(SYSCTL_HANDLER_ARGS);
76 static int	ixl_sysctl_hlut(SYSCTL_HANDLER_ARGS);
77 static int	ixl_sysctl_fw_link_management(SYSCTL_HANDLER_ARGS);
78 static int	ixl_sysctl_read_i2c_byte(SYSCTL_HANDLER_ARGS);
79 static int	ixl_sysctl_write_i2c_byte(SYSCTL_HANDLER_ARGS);
80 static int	ixl_sysctl_fec_fc_ability(SYSCTL_HANDLER_ARGS);
81 static int	ixl_sysctl_fec_rs_ability(SYSCTL_HANDLER_ARGS);
82 static int	ixl_sysctl_fec_fc_request(SYSCTL_HANDLER_ARGS);
83 static int	ixl_sysctl_fec_rs_request(SYSCTL_HANDLER_ARGS);
84 static int	ixl_sysctl_fec_auto_enable(SYSCTL_HANDLER_ARGS);
85 static int	ixl_sysctl_dump_debug_data(SYSCTL_HANDLER_ARGS);
86 static int	ixl_sysctl_fw_lldp(SYSCTL_HANDLER_ARGS);
87 static int	ixl_sysctl_read_i2c_diag_data(SYSCTL_HANDLER_ARGS);
88 
89 /* Debug Sysctls */
90 static int	ixl_sysctl_do_pf_reset(SYSCTL_HANDLER_ARGS);
91 static int	ixl_sysctl_do_core_reset(SYSCTL_HANDLER_ARGS);
92 static int	ixl_sysctl_do_global_reset(SYSCTL_HANDLER_ARGS);
93 static int	ixl_sysctl_queue_interrupt_table(SYSCTL_HANDLER_ARGS);
94 #ifdef IXL_DEBUG
95 static int	ixl_sysctl_qtx_tail_handler(SYSCTL_HANDLER_ARGS);
96 static int	ixl_sysctl_qrx_tail_handler(SYSCTL_HANDLER_ARGS);
97 #endif
98 
99 #ifdef IXL_IW
100 extern int ixl_enable_iwarp;
101 extern int ixl_limit_iwarp_msix;
102 #endif
103 
104 static const char * const ixl_fc_string[6] = {
105 	"None",
106 	"Rx",
107 	"Tx",
108 	"Full",
109 	"Priority",
110 	"Default"
111 };
112 
113 static char *ixl_fec_string[3] = {
114        "CL108 RS-FEC",
115        "CL74 FC-FEC/BASE-R",
116        "None"
117 };
118 
119 MALLOC_DEFINE(M_IXL, "ixl", "ixl driver allocations");
120 
121 /*
122 ** Put the FW, API, NVM, EEtrackID, and OEM version information into a string
123 */
124 void
125 ixl_nvm_version_str(struct i40e_hw *hw, struct sbuf *buf)
126 {
127 	u8 oem_ver = (u8)(hw->nvm.oem_ver >> 24);
128 	u16 oem_build = (u16)((hw->nvm.oem_ver >> 16) & 0xFFFF);
129 	u8 oem_patch = (u8)(hw->nvm.oem_ver & 0xFF);
130 
131 	sbuf_printf(buf,
132 	    "fw %d.%d.%05d api %d.%d nvm %x.%02x etid %08x oem %d.%d.%d",
133 	    hw->aq.fw_maj_ver, hw->aq.fw_min_ver, hw->aq.fw_build,
134 	    hw->aq.api_maj_ver, hw->aq.api_min_ver,
135 	    (hw->nvm.version & IXL_NVM_VERSION_HI_MASK) >>
136 	    IXL_NVM_VERSION_HI_SHIFT,
137 	    (hw->nvm.version & IXL_NVM_VERSION_LO_MASK) >>
138 	    IXL_NVM_VERSION_LO_SHIFT,
139 	    hw->nvm.eetrack,
140 	    oem_ver, oem_build, oem_patch);
141 }
142 
143 void
144 ixl_print_nvm_version(struct ixl_pf *pf)
145 {
146 	struct i40e_hw *hw = &pf->hw;
147 	device_t dev = pf->dev;
148 	struct sbuf *sbuf;
149 
150 	sbuf = sbuf_new_auto();
151 	ixl_nvm_version_str(hw, sbuf);
152 	sbuf_finish(sbuf);
153 	device_printf(dev, "%s\n", sbuf_data(sbuf));
154 	sbuf_delete(sbuf);
155 }
156 
157 /**
158  * ixl_get_fw_mode - Check the state of FW
159  * @hw: device hardware structure
160  *
161  * Identify state of FW. It might be in a recovery mode
162  * which limits functionality and requires special handling
163  * from the driver.
164  *
165  * @returns FW mode (normal, recovery, unexpected EMP reset)
166  */
167 static enum ixl_fw_mode
168 ixl_get_fw_mode(struct ixl_pf *pf)
169 {
170 	struct i40e_hw *hw = &pf->hw;
171 	enum ixl_fw_mode fw_mode = IXL_FW_MODE_NORMAL;
172 	u32 fwsts;
173 
174 #ifdef IXL_DEBUG
175 	if (pf->recovery_mode)
176 		return IXL_FW_MODE_RECOVERY;
177 #endif
178 	fwsts = rd32(hw, I40E_GL_FWSTS) & I40E_GL_FWSTS_FWS1B_MASK;
179 
180 	/* Is set and has one of expected values */
181 	if ((fwsts >= I40E_XL710_GL_FWSTS_FWS1B_REC_MOD_CORER_MASK &&
182 	    fwsts <= I40E_XL710_GL_FWSTS_FWS1B_REC_MOD_NVM_MASK) ||
183 	    fwsts == I40E_X722_GL_FWSTS_FWS1B_REC_MOD_GLOBR_MASK ||
184 	    fwsts == I40E_X722_GL_FWSTS_FWS1B_REC_MOD_CORER_MASK)
185 		fw_mode = IXL_FW_MODE_RECOVERY;
186 	else {
187 		if (fwsts > I40E_GL_FWSTS_FWS1B_EMPR_0 &&
188 		    fwsts <= I40E_GL_FWSTS_FWS1B_EMPR_10)
189 			fw_mode = IXL_FW_MODE_UEMPR;
190 	}
191 	return (fw_mode);
192 }
193 
194 /**
195  * ixl_pf_reset - Reset the PF
196  * @pf: PF structure
197  *
198  * Ensure that FW is in the right state and do the reset
199  * if needed.
200  *
201  * @returns zero on success, or an error code on failure.
202  */
203 int
204 ixl_pf_reset(struct ixl_pf *pf)
205 {
206 	struct i40e_hw *hw = &pf->hw;
207 	enum i40e_status_code status;
208 	enum ixl_fw_mode fw_mode;
209 
210 	fw_mode = ixl_get_fw_mode(pf);
211 	ixl_dbg_info(pf, "%s: before PF reset FW mode: 0x%08x\n", __func__, fw_mode);
212 	if (fw_mode == IXL_FW_MODE_RECOVERY) {
213 		atomic_set_32(&pf->state, IXL_PF_STATE_RECOVERY_MODE);
214 		/* Don't try to reset device if it's in recovery mode */
215 		return (0);
216 	}
217 
218 	status = i40e_pf_reset(hw);
219 	if (status == I40E_SUCCESS)
220 		return (0);
221 
222 	/* Check FW mode again in case it has changed while
223 	 * waiting for reset to complete */
224 	fw_mode = ixl_get_fw_mode(pf);
225 	ixl_dbg_info(pf, "%s: after PF reset FW mode: 0x%08x\n", __func__, fw_mode);
226 	if (fw_mode == IXL_FW_MODE_RECOVERY) {
227 		atomic_set_32(&pf->state, IXL_PF_STATE_RECOVERY_MODE);
228 		return (0);
229 	}
230 
231 	if (fw_mode == IXL_FW_MODE_UEMPR)
232 		device_printf(pf->dev,
233 		    "Entering recovery mode due to repeated FW resets. This may take several minutes. Refer to the Intel(R) Ethernet Adapters and Devices User Guide.\n");
234 	else
235 		device_printf(pf->dev, "PF reset failure %s\n",
236 		    i40e_stat_str(hw, status));
237 	return (EIO);
238 }
239 
240 /**
241  * ixl_setup_hmc - Setup LAN Host Memory Cache
242  * @pf: PF structure
243  *
244  * Init and configure LAN Host Memory Cache
245  *
246  * @returns 0 on success, EIO on error
247  */
248 int
249 ixl_setup_hmc(struct ixl_pf *pf)
250 {
251 	struct i40e_hw *hw = &pf->hw;
252 	enum i40e_status_code status;
253 
254 	status = i40e_init_lan_hmc(hw, hw->func_caps.num_tx_qp,
255 	    hw->func_caps.num_rx_qp, 0, 0);
256 	if (status) {
257 		device_printf(pf->dev, "init_lan_hmc failed: %s\n",
258 		    i40e_stat_str(hw, status));
259 		return (EIO);
260 	}
261 
262 	status = i40e_configure_lan_hmc(hw, I40E_HMC_MODEL_DIRECT_ONLY);
263 	if (status) {
264 		device_printf(pf->dev, "configure_lan_hmc failed: %s\n",
265 		    i40e_stat_str(hw, status));
266 		return (EIO);
267 	}
268 
269 	return (0);
270 }
271 
272 /**
273  * ixl_shutdown_hmc - Shutdown LAN Host Memory Cache
274  * @pf: PF structure
275  *
276  * Shutdown Host Memory Cache if configured.
277  *
278  */
279 void
280 ixl_shutdown_hmc(struct ixl_pf *pf)
281 {
282 	struct i40e_hw *hw = &pf->hw;
283 	enum i40e_status_code status;
284 
285 	/* HMC not configured, no need to shutdown */
286 	if (hw->hmc.hmc_obj == NULL)
287 		return;
288 
289 	status = i40e_shutdown_lan_hmc(hw);
290 	if (status)
291 		device_printf(pf->dev,
292 		    "Shutdown LAN HMC failed with code %s\n",
293 		    i40e_stat_str(hw, status));
294 }
295 /*
296  * Write PF ITR values to queue ITR registers.
297  */
298 void
299 ixl_configure_itr(struct ixl_pf *pf)
300 {
301 	ixl_configure_tx_itr(pf);
302 	ixl_configure_rx_itr(pf);
303 }
304 
305 /*********************************************************************
306  *
307  *  Get the hardware capabilities
308  *
309  **********************************************************************/
310 
311 int
312 ixl_get_hw_capabilities(struct ixl_pf *pf)
313 {
314 	struct i40e_aqc_list_capabilities_element_resp *buf;
315 	struct i40e_hw	*hw = &pf->hw;
316 	device_t 	dev = pf->dev;
317 	enum i40e_status_code status;
318 	int len, i2c_intfc_num;
319 	bool again = TRUE;
320 	u16 needed;
321 
322 	if (IXL_PF_IN_RECOVERY_MODE(pf)) {
323 		hw->func_caps.iwarp = 0;
324 		return (0);
325 	}
326 
327 	len = 40 * sizeof(struct i40e_aqc_list_capabilities_element_resp);
328 retry:
329 	if (!(buf = (struct i40e_aqc_list_capabilities_element_resp *)
330 	    malloc(len, M_IXL, M_NOWAIT | M_ZERO))) {
331 		device_printf(dev, "Unable to allocate cap memory\n");
332                 return (ENOMEM);
333 	}
334 
335 	/* This populates the hw struct */
336         status = i40e_aq_discover_capabilities(hw, buf, len,
337 	    &needed, i40e_aqc_opc_list_func_capabilities, NULL);
338 	free(buf, M_IXL);
339 	if ((pf->hw.aq.asq_last_status == I40E_AQ_RC_ENOMEM) &&
340 	    (again == TRUE)) {
341 		/* retry once with a larger buffer */
342 		again = FALSE;
343 		len = needed;
344 		goto retry;
345 	} else if (status != I40E_SUCCESS) {
346 		device_printf(dev, "capability discovery failed; status %s, error %s\n",
347 		    i40e_stat_str(hw, status), i40e_aq_str(hw, hw->aq.asq_last_status));
348 		return (ENODEV);
349 	}
350 
351 	/*
352 	 * Some devices have both MDIO and I2C; since this isn't reported
353 	 * by the FW, check registers to see if an I2C interface exists.
354 	 */
355 	i2c_intfc_num = ixl_find_i2c_interface(pf);
356 	if (i2c_intfc_num != -1)
357 		pf->has_i2c = true;
358 
359 	/* Determine functions to use for driver I2C accesses */
360 	switch (pf->i2c_access_method) {
361 	case IXL_I2C_ACCESS_METHOD_BEST_AVAILABLE: {
362 		if (hw->flags & I40E_HW_FLAG_AQ_PHY_ACCESS_CAPABLE) {
363 			pf->read_i2c_byte = ixl_read_i2c_byte_aq;
364 			pf->write_i2c_byte = ixl_write_i2c_byte_aq;
365 		} else {
366 			pf->read_i2c_byte = ixl_read_i2c_byte_reg;
367 			pf->write_i2c_byte = ixl_write_i2c_byte_reg;
368 		}
369 		break;
370 	}
371 	case IXL_I2C_ACCESS_METHOD_AQ:
372 		pf->read_i2c_byte = ixl_read_i2c_byte_aq;
373 		pf->write_i2c_byte = ixl_write_i2c_byte_aq;
374 		break;
375 	case IXL_I2C_ACCESS_METHOD_REGISTER_I2CCMD:
376 		pf->read_i2c_byte = ixl_read_i2c_byte_reg;
377 		pf->write_i2c_byte = ixl_write_i2c_byte_reg;
378 		break;
379 	case IXL_I2C_ACCESS_METHOD_BIT_BANG_I2CPARAMS:
380 		pf->read_i2c_byte = ixl_read_i2c_byte_bb;
381 		pf->write_i2c_byte = ixl_write_i2c_byte_bb;
382 		break;
383 	default:
384 		/* Should not happen */
385 		device_printf(dev, "Error setting I2C access functions\n");
386 		break;
387 	}
388 
389 	/* Keep link active by default */
390 	atomic_set_32(&pf->state, IXL_PF_STATE_LINK_ACTIVE_ON_DOWN);
391 
392 	/* Print a subset of the capability information. */
393 	device_printf(dev,
394 	    "PF-ID[%d]: VFs %d, MSI-X %d, VF MSI-X %d, QPs %d, %s\n",
395 	    hw->pf_id, hw->func_caps.num_vfs, hw->func_caps.num_msix_vectors,
396 	    hw->func_caps.num_msix_vectors_vf, hw->func_caps.num_tx_qp,
397 	    (hw->func_caps.mdio_port_mode == 2) ? "I2C" :
398 	    (hw->func_caps.mdio_port_mode == 1 && pf->has_i2c) ? "MDIO & I2C" :
399 	    (hw->func_caps.mdio_port_mode == 1) ? "MDIO dedicated" :
400 	    "MDIO shared");
401 
402 	return (0);
403 }
404 
405 /* For the set_advertise sysctl */
406 void
407 ixl_set_initial_advertised_speeds(struct ixl_pf *pf)
408 {
409 	device_t dev = pf->dev;
410 	int err;
411 
412 	/* Make sure to initialize the device to the complete list of
413 	 * supported speeds on driver load, to ensure unloading and
414 	 * reloading the driver will restore this value.
415 	 */
416 	err = ixl_set_advertised_speeds(pf, pf->supported_speeds, true);
417 	if (err) {
418 		/* Non-fatal error */
419 		device_printf(dev, "%s: ixl_set_advertised_speeds() error %d\n",
420 			      __func__, err);
421 		return;
422 	}
423 
424 	pf->advertised_speed =
425 	    ixl_convert_sysctl_aq_link_speed(pf->supported_speeds, false);
426 }
427 
428 int
429 ixl_teardown_hw_structs(struct ixl_pf *pf)
430 {
431 	enum i40e_status_code status = 0;
432 	struct i40e_hw *hw = &pf->hw;
433 	device_t dev = pf->dev;
434 
435 	/* Shutdown LAN HMC */
436 	if (hw->hmc.hmc_obj) {
437 		status = i40e_shutdown_lan_hmc(hw);
438 		if (status) {
439 			device_printf(dev,
440 			    "init: LAN HMC shutdown failure; status %s\n",
441 			    i40e_stat_str(hw, status));
442 			goto err_out;
443 		}
444 	}
445 
446 	/* Shutdown admin queue */
447 	ixl_disable_intr0(hw);
448 	status = i40e_shutdown_adminq(hw);
449 	if (status)
450 		device_printf(dev,
451 		    "init: Admin Queue shutdown failure; status %s\n",
452 		    i40e_stat_str(hw, status));
453 
454 	ixl_pf_qmgr_release(&pf->qmgr, &pf->qtag);
455 err_out:
456 	return (status);
457 }
458 
459 /*
460 ** Creates new filter with given MAC address and VLAN ID
461 */
462 static struct ixl_mac_filter *
463 ixl_new_filter(struct ixl_ftl_head *headp, const u8 *macaddr, s16 vlan)
464 {
465 	struct ixl_mac_filter  *f;
466 
467 	/* create a new empty filter */
468 	f = malloc(sizeof(struct ixl_mac_filter),
469 	    M_IXL, M_NOWAIT | M_ZERO);
470 	if (f) {
471 		LIST_INSERT_HEAD(headp, f, ftle);
472 		bcopy(macaddr, f->macaddr, ETHER_ADDR_LEN);
473 		f->vlan = vlan;
474 	}
475 
476 	return (f);
477 }
478 
479 /**
480  * ixl_free_filters - Free all filters in given list
481  * headp - pointer to list head
482  *
483  * Frees memory used by each entry in the list.
484  * Does not remove filters from HW.
485  */
486 void
487 ixl_free_filters(struct ixl_ftl_head *headp)
488 {
489 	struct ixl_mac_filter *f, *nf;
490 
491 	f = LIST_FIRST(headp);
492 	while (f != NULL) {
493 		nf = LIST_NEXT(f, ftle);
494 		free(f, M_IXL);
495 		f = nf;
496 	}
497 
498 	LIST_INIT(headp);
499 }
500 
501 static u_int
502 ixl_add_maddr(void *arg, struct sockaddr_dl *sdl, u_int cnt)
503 {
504 	struct ixl_add_maddr_arg *ama = arg;
505 	struct ixl_vsi *vsi = ama->vsi;
506 	const u8 *macaddr = (u8*)LLADDR(sdl);
507 	struct ixl_mac_filter *f;
508 
509 	/* Does one already exist */
510 	f = ixl_find_filter(&vsi->ftl, macaddr, IXL_VLAN_ANY);
511 	if (f != NULL)
512 		return (0);
513 
514 	f = ixl_new_filter(&ama->to_add, macaddr, IXL_VLAN_ANY);
515 	if (f == NULL) {
516 		device_printf(vsi->dev, "WARNING: no filter available!!\n");
517 		return (0);
518 	}
519 	f->flags |= IXL_FILTER_MC;
520 
521 	return (1);
522 }
523 
524 /*********************************************************************
525  * 	Filter Routines
526  *
527  *	Routines for multicast and vlan filter management.
528  *
529  *********************************************************************/
530 void
531 ixl_add_multi(struct ixl_vsi *vsi)
532 {
533 	struct ifnet		*ifp = vsi->ifp;
534 	struct i40e_hw		*hw = vsi->hw;
535 	int			mcnt = 0;
536 	struct ixl_add_maddr_arg cb_arg;
537 
538 	IOCTL_DEBUGOUT("ixl_add_multi: begin");
539 
540 	mcnt = if_llmaddr_count(ifp);
541 	if (__predict_false(mcnt >= MAX_MULTICAST_ADDR)) {
542 		i40e_aq_set_vsi_multicast_promiscuous(hw,
543 		    vsi->seid, TRUE, NULL);
544 		/* delete all existing MC filters */
545 		ixl_del_multi(vsi, true);
546 		return;
547 	}
548 
549 	cb_arg.vsi = vsi;
550 	LIST_INIT(&cb_arg.to_add);
551 
552 	mcnt = if_foreach_llmaddr(ifp, ixl_add_maddr, &cb_arg);
553 	if (mcnt > 0)
554 		ixl_add_hw_filters(vsi, &cb_arg.to_add, mcnt);
555 
556 	IOCTL_DEBUGOUT("ixl_add_multi: end");
557 }
558 
559 static u_int
560 ixl_match_maddr(void *arg, struct sockaddr_dl *sdl, u_int cnt)
561 {
562 	struct ixl_mac_filter *f = arg;
563 
564 	if (ixl_ether_is_equal(f->macaddr, (u8 *)LLADDR(sdl)))
565 		return (1);
566 	else
567 		return (0);
568 }
569 
570 void
571 ixl_del_multi(struct ixl_vsi *vsi, bool all)
572 {
573 	struct ixl_ftl_head	to_del;
574 	struct ifnet		*ifp = vsi->ifp;
575 	struct ixl_mac_filter	*f, *fn;
576 	int			mcnt = 0;
577 
578 	IOCTL_DEBUGOUT("ixl_del_multi: begin");
579 
580 	LIST_INIT(&to_del);
581 	/* Search for removed multicast addresses */
582 	LIST_FOREACH_SAFE(f, &vsi->ftl, ftle, fn) {
583 		if ((f->flags & IXL_FILTER_MC) == 0 ||
584 		    (!all && (if_foreach_llmaddr(ifp, ixl_match_maddr, f) == 0)))
585 			continue;
586 
587 		LIST_REMOVE(f, ftle);
588 		LIST_INSERT_HEAD(&to_del, f, ftle);
589 		mcnt++;
590 	}
591 
592 	if (mcnt > 0)
593 		ixl_del_hw_filters(vsi, &to_del, mcnt);
594 }
595 
596 void
597 ixl_link_up_msg(struct ixl_pf *pf)
598 {
599 	struct i40e_hw *hw = &pf->hw;
600 	struct ifnet *ifp = pf->vsi.ifp;
601 	char *req_fec_string, *neg_fec_string;
602 	u8 fec_abilities;
603 
604 	fec_abilities = hw->phy.link_info.req_fec_info;
605 	/* If both RS and KR are requested, only show RS */
606 	if (fec_abilities & I40E_AQ_REQUEST_FEC_RS)
607 		req_fec_string = ixl_fec_string[0];
608 	else if (fec_abilities & I40E_AQ_REQUEST_FEC_KR)
609 		req_fec_string = ixl_fec_string[1];
610 	else
611 		req_fec_string = ixl_fec_string[2];
612 
613 	if (hw->phy.link_info.fec_info & I40E_AQ_CONFIG_FEC_RS_ENA)
614 		neg_fec_string = ixl_fec_string[0];
615 	else if (hw->phy.link_info.fec_info & I40E_AQ_CONFIG_FEC_KR_ENA)
616 		neg_fec_string = ixl_fec_string[1];
617 	else
618 		neg_fec_string = ixl_fec_string[2];
619 
620 	log(LOG_NOTICE, "%s: Link is up, %s Full Duplex, Requested FEC: %s, Negotiated FEC: %s, Autoneg: %s, Flow Control: %s\n",
621 	    ifp->if_xname,
622 	    ixl_link_speed_string(hw->phy.link_info.link_speed),
623 	    req_fec_string, neg_fec_string,
624 	    (hw->phy.link_info.an_info & I40E_AQ_AN_COMPLETED) ? "True" : "False",
625 	    (hw->phy.link_info.an_info & I40E_AQ_LINK_PAUSE_TX &&
626 	        hw->phy.link_info.an_info & I40E_AQ_LINK_PAUSE_RX) ?
627 		ixl_fc_string[3] : (hw->phy.link_info.an_info & I40E_AQ_LINK_PAUSE_TX) ?
628 		ixl_fc_string[2] : (hw->phy.link_info.an_info & I40E_AQ_LINK_PAUSE_RX) ?
629 		ixl_fc_string[1] : ixl_fc_string[0]);
630 }
631 
632 /*
633  * Configure admin queue/misc interrupt cause registers in hardware.
634  */
635 void
636 ixl_configure_intr0_msix(struct ixl_pf *pf)
637 {
638 	struct i40e_hw *hw = &pf->hw;
639 	u32 reg;
640 
641 	/* First set up the adminq - vector 0 */
642 	wr32(hw, I40E_PFINT_ICR0_ENA, 0);  /* disable all */
643 	rd32(hw, I40E_PFINT_ICR0);         /* read to clear */
644 
645 	reg = I40E_PFINT_ICR0_ENA_ECC_ERR_MASK |
646 	    I40E_PFINT_ICR0_ENA_GRST_MASK |
647 	    I40E_PFINT_ICR0_ENA_HMC_ERR_MASK |
648 	    I40E_PFINT_ICR0_ENA_ADMINQ_MASK |
649 	    I40E_PFINT_ICR0_ENA_MAL_DETECT_MASK |
650 	    I40E_PFINT_ICR0_ENA_VFLR_MASK |
651 	    I40E_PFINT_ICR0_ENA_PE_CRITERR_MASK |
652 	    I40E_PFINT_ICR0_ENA_PCI_EXCEPTION_MASK;
653 	wr32(hw, I40E_PFINT_ICR0_ENA, reg);
654 
655 	/*
656 	 * 0x7FF is the end of the queue list.
657 	 * This means we won't use MSI-X vector 0 for a queue interrupt
658 	 * in MSI-X mode.
659 	 */
660 	wr32(hw, I40E_PFINT_LNKLST0, 0x7FF);
661 	/* Value is in 2 usec units, so 0x3E is 62*2 = 124 usecs. */
662 	wr32(hw, I40E_PFINT_ITR0(IXL_RX_ITR), 0x3E);
663 
664 	wr32(hw, I40E_PFINT_DYN_CTL0,
665 	    I40E_PFINT_DYN_CTL0_SW_ITR_INDX_MASK |
666 	    I40E_PFINT_DYN_CTL0_INTENA_MSK_MASK);
667 
668 	wr32(hw, I40E_PFINT_STAT_CTL0, 0);
669 }
670 
671 void
672 ixl_add_ifmedia(struct ifmedia *media, u64 phy_types)
673 {
674 	/* Display supported media types */
675 	if (phy_types & (I40E_CAP_PHY_TYPE_100BASE_TX))
676 		ifmedia_add(media, IFM_ETHER | IFM_100_TX, 0, NULL);
677 
678 	if (phy_types & (I40E_CAP_PHY_TYPE_1000BASE_T))
679 		ifmedia_add(media, IFM_ETHER | IFM_1000_T, 0, NULL);
680 	if (phy_types & (I40E_CAP_PHY_TYPE_1000BASE_SX))
681 		ifmedia_add(media, IFM_ETHER | IFM_1000_SX, 0, NULL);
682 	if (phy_types & (I40E_CAP_PHY_TYPE_1000BASE_LX))
683 		ifmedia_add(media, IFM_ETHER | IFM_1000_LX, 0, NULL);
684 
685 	if (phy_types & (I40E_CAP_PHY_TYPE_2_5GBASE_T))
686 		ifmedia_add(media, IFM_ETHER | IFM_2500_T, 0, NULL);
687 
688 	if (phy_types & (I40E_CAP_PHY_TYPE_5GBASE_T))
689 		ifmedia_add(media, IFM_ETHER | IFM_5000_T, 0, NULL);
690 
691 	if (phy_types & (I40E_CAP_PHY_TYPE_XAUI) ||
692 	    phy_types & (I40E_CAP_PHY_TYPE_XFI) ||
693 	    phy_types & (I40E_CAP_PHY_TYPE_10GBASE_SFPP_CU))
694 		ifmedia_add(media, IFM_ETHER | IFM_10G_TWINAX, 0, NULL);
695 
696 	if (phy_types & (I40E_CAP_PHY_TYPE_10GBASE_SR))
697 		ifmedia_add(media, IFM_ETHER | IFM_10G_SR, 0, NULL);
698 	if (phy_types & (I40E_CAP_PHY_TYPE_10GBASE_LR))
699 		ifmedia_add(media, IFM_ETHER | IFM_10G_LR, 0, NULL);
700 	if (phy_types & (I40E_CAP_PHY_TYPE_10GBASE_T))
701 		ifmedia_add(media, IFM_ETHER | IFM_10G_T, 0, NULL);
702 
703 	if (phy_types & (I40E_CAP_PHY_TYPE_40GBASE_CR4) ||
704 	    phy_types & (I40E_CAP_PHY_TYPE_40GBASE_CR4_CU) ||
705 	    phy_types & (I40E_CAP_PHY_TYPE_40GBASE_AOC) ||
706 	    phy_types & (I40E_CAP_PHY_TYPE_XLAUI) ||
707 	    phy_types & (I40E_CAP_PHY_TYPE_40GBASE_KR4))
708 		ifmedia_add(media, IFM_ETHER | IFM_40G_CR4, 0, NULL);
709 	if (phy_types & (I40E_CAP_PHY_TYPE_40GBASE_SR4))
710 		ifmedia_add(media, IFM_ETHER | IFM_40G_SR4, 0, NULL);
711 	if (phy_types & (I40E_CAP_PHY_TYPE_40GBASE_LR4))
712 		ifmedia_add(media, IFM_ETHER | IFM_40G_LR4, 0, NULL);
713 
714 	if (phy_types & (I40E_CAP_PHY_TYPE_1000BASE_KX))
715 		ifmedia_add(media, IFM_ETHER | IFM_1000_KX, 0, NULL);
716 
717 	if (phy_types & (I40E_CAP_PHY_TYPE_10GBASE_CR1_CU)
718 	    || phy_types & (I40E_CAP_PHY_TYPE_10GBASE_CR1))
719 		ifmedia_add(media, IFM_ETHER | IFM_10G_CR1, 0, NULL);
720 	if (phy_types & (I40E_CAP_PHY_TYPE_10GBASE_AOC))
721 		ifmedia_add(media, IFM_ETHER | IFM_10G_AOC, 0, NULL);
722 	if (phy_types & (I40E_CAP_PHY_TYPE_SFI))
723 		ifmedia_add(media, IFM_ETHER | IFM_10G_SFI, 0, NULL);
724 	if (phy_types & (I40E_CAP_PHY_TYPE_10GBASE_KX4))
725 		ifmedia_add(media, IFM_ETHER | IFM_10G_KX4, 0, NULL);
726 	if (phy_types & (I40E_CAP_PHY_TYPE_10GBASE_KR))
727 		ifmedia_add(media, IFM_ETHER | IFM_10G_KR, 0, NULL);
728 
729 	if (phy_types & (I40E_CAP_PHY_TYPE_20GBASE_KR2))
730 		ifmedia_add(media, IFM_ETHER | IFM_20G_KR2, 0, NULL);
731 
732 	if (phy_types & (I40E_CAP_PHY_TYPE_40GBASE_KR4))
733 		ifmedia_add(media, IFM_ETHER | IFM_40G_KR4, 0, NULL);
734 	if (phy_types & (I40E_CAP_PHY_TYPE_XLPPI))
735 		ifmedia_add(media, IFM_ETHER | IFM_40G_XLPPI, 0, NULL);
736 
737 	if (phy_types & (I40E_CAP_PHY_TYPE_25GBASE_KR))
738 		ifmedia_add(media, IFM_ETHER | IFM_25G_KR, 0, NULL);
739 	if (phy_types & (I40E_CAP_PHY_TYPE_25GBASE_CR))
740 		ifmedia_add(media, IFM_ETHER | IFM_25G_CR, 0, NULL);
741 	if (phy_types & (I40E_CAP_PHY_TYPE_25GBASE_SR))
742 		ifmedia_add(media, IFM_ETHER | IFM_25G_SR, 0, NULL);
743 	if (phy_types & (I40E_CAP_PHY_TYPE_25GBASE_LR))
744 		ifmedia_add(media, IFM_ETHER | IFM_25G_LR, 0, NULL);
745 	if (phy_types & (I40E_CAP_PHY_TYPE_25GBASE_AOC))
746 		ifmedia_add(media, IFM_ETHER | IFM_25G_AOC, 0, NULL);
747 	if (phy_types & (I40E_CAP_PHY_TYPE_25GBASE_ACC))
748 		ifmedia_add(media, IFM_ETHER | IFM_25G_ACC, 0, NULL);
749 }
750 
751 /*********************************************************************
752  *
753  *  Get Firmware Switch configuration
754  *	- this will need to be more robust when more complex
755  *	  switch configurations are enabled.
756  *
757  **********************************************************************/
758 int
759 ixl_switch_config(struct ixl_pf *pf)
760 {
761 	struct i40e_hw	*hw = &pf->hw;
762 	struct ixl_vsi	*vsi = &pf->vsi;
763 	device_t 	dev = iflib_get_dev(vsi->ctx);
764 	struct i40e_aqc_get_switch_config_resp *sw_config;
765 	u8	aq_buf[I40E_AQ_LARGE_BUF];
766 	int	ret;
767 	u16	next = 0;
768 
769 	memset(&aq_buf, 0, sizeof(aq_buf));
770 	sw_config = (struct i40e_aqc_get_switch_config_resp *)aq_buf;
771 	ret = i40e_aq_get_switch_config(hw, sw_config,
772 	    sizeof(aq_buf), &next, NULL);
773 	if (ret) {
774 		device_printf(dev, "aq_get_switch_config() failed, error %d,"
775 		    " aq_error %d\n", ret, pf->hw.aq.asq_last_status);
776 		return (ret);
777 	}
778 	if (pf->dbg_mask & IXL_DBG_SWITCH_INFO) {
779 		device_printf(dev,
780 		    "Switch config: header reported: %d in structure, %d total\n",
781 		    LE16_TO_CPU(sw_config->header.num_reported),
782 		    LE16_TO_CPU(sw_config->header.num_total));
783 		for (int i = 0;
784 		    i < LE16_TO_CPU(sw_config->header.num_reported); i++) {
785 			device_printf(dev,
786 			    "-> %d: type=%d seid=%d uplink=%d downlink=%d\n", i,
787 			    sw_config->element[i].element_type,
788 			    LE16_TO_CPU(sw_config->element[i].seid),
789 			    LE16_TO_CPU(sw_config->element[i].uplink_seid),
790 			    LE16_TO_CPU(sw_config->element[i].downlink_seid));
791 		}
792 	}
793 	/* Simplified due to a single VSI */
794 	vsi->uplink_seid = LE16_TO_CPU(sw_config->element[0].uplink_seid);
795 	vsi->downlink_seid = LE16_TO_CPU(sw_config->element[0].downlink_seid);
796 	vsi->seid = LE16_TO_CPU(sw_config->element[0].seid);
797 	return (ret);
798 }
799 
800 void
801 ixl_vsi_add_sysctls(struct ixl_vsi * vsi, const char * sysctl_name, bool queues_sysctls)
802 {
803 	struct sysctl_oid *tree;
804 	struct sysctl_oid_list *child;
805 	struct sysctl_oid_list *vsi_list;
806 
807 	tree = device_get_sysctl_tree(vsi->dev);
808 	child = SYSCTL_CHILDREN(tree);
809 	vsi->vsi_node = SYSCTL_ADD_NODE(&vsi->sysctl_ctx, child, OID_AUTO, sysctl_name,
810 			CTLFLAG_RD, NULL, "VSI Number");
811 
812 	vsi_list = SYSCTL_CHILDREN(vsi->vsi_node);
813 	ixl_add_sysctls_eth_stats(&vsi->sysctl_ctx, vsi_list, &vsi->eth_stats);
814 
815 	/* Copy of netstat RX errors counter for validation purposes */
816 	SYSCTL_ADD_UQUAD(&vsi->sysctl_ctx, vsi_list, OID_AUTO, "rx_errors",
817 			CTLFLAG_RD, &vsi->ierrors,
818 			"RX packet errors");
819 
820 	if (queues_sysctls)
821 		ixl_vsi_add_queues_stats(vsi, &vsi->sysctl_ctx);
822 }
823 
824 /*
825  * Used to set the Tx ITR value for all of the PF LAN VSI's queues.
826  * Writes to the ITR registers immediately.
827  */
828 static int
829 ixl_sysctl_pf_tx_itr(SYSCTL_HANDLER_ARGS)
830 {
831 	struct ixl_pf *pf = (struct ixl_pf *)arg1;
832 	device_t dev = pf->dev;
833 	int error = 0;
834 	int requested_tx_itr;
835 
836 	requested_tx_itr = pf->tx_itr;
837 	error = sysctl_handle_int(oidp, &requested_tx_itr, 0, req);
838 	if ((error) || (req->newptr == NULL))
839 		return (error);
840 	if (pf->dynamic_tx_itr) {
841 		device_printf(dev,
842 		    "Cannot set TX itr value while dynamic TX itr is enabled\n");
843 		    return (EINVAL);
844 	}
845 	if (requested_tx_itr < 0 || requested_tx_itr > IXL_MAX_ITR) {
846 		device_printf(dev,
847 		    "Invalid TX itr value; value must be between 0 and %d\n",
848 		        IXL_MAX_ITR);
849 		return (EINVAL);
850 	}
851 
852 	pf->tx_itr = requested_tx_itr;
853 	ixl_configure_tx_itr(pf);
854 
855 	return (error);
856 }
857 
858 /*
859  * Used to set the Rx ITR value for all of the PF LAN VSI's queues.
860  * Writes to the ITR registers immediately.
861  */
862 static int
863 ixl_sysctl_pf_rx_itr(SYSCTL_HANDLER_ARGS)
864 {
865 	struct ixl_pf *pf = (struct ixl_pf *)arg1;
866 	device_t dev = pf->dev;
867 	int error = 0;
868 	int requested_rx_itr;
869 
870 	requested_rx_itr = pf->rx_itr;
871 	error = sysctl_handle_int(oidp, &requested_rx_itr, 0, req);
872 	if ((error) || (req->newptr == NULL))
873 		return (error);
874 	if (pf->dynamic_rx_itr) {
875 		device_printf(dev,
876 		    "Cannot set RX itr value while dynamic RX itr is enabled\n");
877 		    return (EINVAL);
878 	}
879 	if (requested_rx_itr < 0 || requested_rx_itr > IXL_MAX_ITR) {
880 		device_printf(dev,
881 		    "Invalid RX itr value; value must be between 0 and %d\n",
882 		        IXL_MAX_ITR);
883 		return (EINVAL);
884 	}
885 
886 	pf->rx_itr = requested_rx_itr;
887 	ixl_configure_rx_itr(pf);
888 
889 	return (error);
890 }
891 
892 void
893 ixl_add_sysctls_mac_stats(struct sysctl_ctx_list *ctx,
894 	struct sysctl_oid_list *child,
895 	struct i40e_hw_port_stats *stats)
896 {
897 	struct sysctl_oid *stat_node = SYSCTL_ADD_NODE(ctx, child, OID_AUTO,
898 	    "mac", CTLFLAG_RD | CTLFLAG_MPSAFE, NULL, "Mac Statistics");
899 	struct sysctl_oid_list *stat_list = SYSCTL_CHILDREN(stat_node);
900 
901 	struct i40e_eth_stats *eth_stats = &stats->eth;
902 	ixl_add_sysctls_eth_stats(ctx, stat_list, eth_stats);
903 
904 	struct ixl_sysctl_info ctls[] =
905 	{
906 		{&stats->crc_errors, "crc_errors", "CRC Errors"},
907 		{&stats->illegal_bytes, "illegal_bytes", "Illegal Byte Errors"},
908 		{&stats->mac_local_faults, "local_faults", "MAC Local Faults"},
909 		{&stats->mac_remote_faults, "remote_faults", "MAC Remote Faults"},
910 		{&stats->rx_length_errors, "rx_length_errors", "Receive Length Errors"},
911 		/* Packet Reception Stats */
912 		{&stats->rx_size_64, "rx_frames_64", "64 byte frames received"},
913 		{&stats->rx_size_127, "rx_frames_65_127", "65-127 byte frames received"},
914 		{&stats->rx_size_255, "rx_frames_128_255", "128-255 byte frames received"},
915 		{&stats->rx_size_511, "rx_frames_256_511", "256-511 byte frames received"},
916 		{&stats->rx_size_1023, "rx_frames_512_1023", "512-1023 byte frames received"},
917 		{&stats->rx_size_1522, "rx_frames_1024_1522", "1024-1522 byte frames received"},
918 		{&stats->rx_size_big, "rx_frames_big", "1523-9522 byte frames received"},
919 		{&stats->rx_undersize, "rx_undersize", "Undersized packets received"},
920 		{&stats->rx_fragments, "rx_fragmented", "Fragmented packets received"},
921 		{&stats->rx_oversize, "rx_oversized", "Oversized packets received"},
922 		{&stats->rx_jabber, "rx_jabber", "Received Jabber"},
923 		{&stats->checksum_error, "checksum_errors", "Checksum Errors"},
924 		/* Packet Transmission Stats */
925 		{&stats->tx_size_64, "tx_frames_64", "64 byte frames transmitted"},
926 		{&stats->tx_size_127, "tx_frames_65_127", "65-127 byte frames transmitted"},
927 		{&stats->tx_size_255, "tx_frames_128_255", "128-255 byte frames transmitted"},
928 		{&stats->tx_size_511, "tx_frames_256_511", "256-511 byte frames transmitted"},
929 		{&stats->tx_size_1023, "tx_frames_512_1023", "512-1023 byte frames transmitted"},
930 		{&stats->tx_size_1522, "tx_frames_1024_1522", "1024-1522 byte frames transmitted"},
931 		{&stats->tx_size_big, "tx_frames_big", "1523-9522 byte frames transmitted"},
932 		/* Flow control */
933 		{&stats->link_xon_tx, "xon_txd", "Link XON transmitted"},
934 		{&stats->link_xon_rx, "xon_recvd", "Link XON received"},
935 		{&stats->link_xoff_tx, "xoff_txd", "Link XOFF transmitted"},
936 		{&stats->link_xoff_rx, "xoff_recvd", "Link XOFF received"},
937 		/* End */
938 		{0,0,0}
939 	};
940 
941 	struct ixl_sysctl_info *entry = ctls;
942 	while (entry->stat != 0)
943 	{
944 		SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, entry->name,
945 				CTLFLAG_RD, entry->stat,
946 				entry->description);
947 		entry++;
948 	}
949 }
950 
951 void
952 ixl_set_rss_key(struct ixl_pf *pf)
953 {
954 	struct i40e_hw *hw = &pf->hw;
955 	struct ixl_vsi *vsi = &pf->vsi;
956 	device_t	dev = pf->dev;
957 	u32 rss_seed[IXL_RSS_KEY_SIZE_REG];
958 	enum i40e_status_code status;
959 
960 #ifdef RSS
961         /* Fetch the configured RSS key */
962         rss_getkey((uint8_t *) &rss_seed);
963 #else
964 	ixl_get_default_rss_key(rss_seed);
965 #endif
966 	/* Fill out hash function seed */
967 	if (hw->mac.type == I40E_MAC_X722) {
968 		struct i40e_aqc_get_set_rss_key_data key_data;
969 		bcopy(rss_seed, &key_data, 52);
970 		status = i40e_aq_set_rss_key(hw, vsi->vsi_num, &key_data);
971 		if (status)
972 			device_printf(dev,
973 			    "i40e_aq_set_rss_key status %s, error %s\n",
974 			    i40e_stat_str(hw, status),
975 			    i40e_aq_str(hw, hw->aq.asq_last_status));
976 	} else {
977 		for (int i = 0; i < IXL_RSS_KEY_SIZE_REG; i++)
978 			i40e_write_rx_ctl(hw, I40E_PFQF_HKEY(i), rss_seed[i]);
979 	}
980 }
981 
982 /*
983  * Configure enabled PCTYPES for RSS.
984  */
985 void
986 ixl_set_rss_pctypes(struct ixl_pf *pf)
987 {
988 	struct i40e_hw *hw = &pf->hw;
989 	u64		set_hena = 0, hena;
990 
991 #ifdef RSS
992 	u32		rss_hash_config;
993 
994 	rss_hash_config = rss_gethashconfig();
995 	if (rss_hash_config & RSS_HASHTYPE_RSS_IPV4)
996                 set_hena |= ((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV4_OTHER);
997 	if (rss_hash_config & RSS_HASHTYPE_RSS_TCP_IPV4)
998                 set_hena |= ((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV4_TCP);
999 	if (rss_hash_config & RSS_HASHTYPE_RSS_UDP_IPV4)
1000                 set_hena |= ((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV4_UDP);
1001 	if (rss_hash_config & RSS_HASHTYPE_RSS_IPV6)
1002                 set_hena |= ((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV6_OTHER);
1003 	if (rss_hash_config & RSS_HASHTYPE_RSS_IPV6_EX)
1004 		set_hena |= ((u64)1 << I40E_FILTER_PCTYPE_FRAG_IPV6);
1005 	if (rss_hash_config & RSS_HASHTYPE_RSS_TCP_IPV6)
1006                 set_hena |= ((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV6_TCP);
1007         if (rss_hash_config & RSS_HASHTYPE_RSS_UDP_IPV6)
1008                 set_hena |= ((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV6_UDP);
1009 #else
1010 	if (hw->mac.type == I40E_MAC_X722)
1011 		set_hena = IXL_DEFAULT_RSS_HENA_X722;
1012 	else
1013 		set_hena = IXL_DEFAULT_RSS_HENA_XL710;
1014 #endif
1015 	hena = (u64)i40e_read_rx_ctl(hw, I40E_PFQF_HENA(0)) |
1016 	    ((u64)i40e_read_rx_ctl(hw, I40E_PFQF_HENA(1)) << 32);
1017 	hena |= set_hena;
1018 	i40e_write_rx_ctl(hw, I40E_PFQF_HENA(0), (u32)hena);
1019 	i40e_write_rx_ctl(hw, I40E_PFQF_HENA(1), (u32)(hena >> 32));
1020 
1021 }
1022 
1023 /*
1024 ** Setup the PF's RSS parameters.
1025 */
1026 void
1027 ixl_config_rss(struct ixl_pf *pf)
1028 {
1029 	ixl_set_rss_key(pf);
1030 	ixl_set_rss_pctypes(pf);
1031 	ixl_set_rss_hlut(pf);
1032 }
1033 
1034 /*
1035  * In some firmware versions there is default MAC/VLAN filter
1036  * configured which interferes with filters managed by driver.
1037  * Make sure it's removed.
1038  */
1039 void
1040 ixl_del_default_hw_filters(struct ixl_vsi *vsi)
1041 {
1042 	struct i40e_aqc_remove_macvlan_element_data e;
1043 
1044 	bzero(&e, sizeof(e));
1045 	bcopy(vsi->hw->mac.perm_addr, e.mac_addr, ETHER_ADDR_LEN);
1046 	e.vlan_tag = 0;
1047 	e.flags = I40E_AQC_MACVLAN_DEL_PERFECT_MATCH;
1048 	i40e_aq_remove_macvlan(vsi->hw, vsi->seid, &e, 1, NULL);
1049 
1050 	bzero(&e, sizeof(e));
1051 	bcopy(vsi->hw->mac.perm_addr, e.mac_addr, ETHER_ADDR_LEN);
1052 	e.vlan_tag = 0;
1053 	e.flags = I40E_AQC_MACVLAN_DEL_PERFECT_MATCH |
1054 		I40E_AQC_MACVLAN_DEL_IGNORE_VLAN;
1055 	i40e_aq_remove_macvlan(vsi->hw, vsi->seid, &e, 1, NULL);
1056 }
1057 
1058 /*
1059 ** Initialize filter list and add filters that the hardware
1060 ** needs to know about.
1061 **
1062 ** Requires VSI's seid to be set before calling.
1063 */
1064 void
1065 ixl_init_filters(struct ixl_vsi *vsi)
1066 {
1067 	struct ixl_pf *pf = (struct ixl_pf *)vsi->back;
1068 
1069 	ixl_dbg_filter(pf, "%s: start\n", __func__);
1070 
1071 	/* Initialize mac filter list for VSI */
1072 	LIST_INIT(&vsi->ftl);
1073 	vsi->num_hw_filters = 0;
1074 
1075 	/* Receive broadcast Ethernet frames */
1076 	i40e_aq_set_vsi_broadcast(&pf->hw, vsi->seid, TRUE, NULL);
1077 
1078 	if (IXL_VSI_IS_VF(vsi))
1079 		return;
1080 
1081 	ixl_del_default_hw_filters(vsi);
1082 
1083 	ixl_add_filter(vsi, vsi->hw->mac.addr, IXL_VLAN_ANY);
1084 
1085 	/*
1086 	 * Prevent Tx flow control frames from being sent out by
1087 	 * non-firmware transmitters.
1088 	 * This affects every VSI in the PF.
1089 	 */
1090 #ifndef IXL_DEBUG_FC
1091 	i40e_add_filter_to_drop_tx_flow_control_frames(vsi->hw, vsi->seid);
1092 #else
1093 	if (pf->enable_tx_fc_filter)
1094 		i40e_add_filter_to_drop_tx_flow_control_frames(vsi->hw, vsi->seid);
1095 #endif
1096 }
1097 
1098 void
1099 ixl_reconfigure_filters(struct ixl_vsi *vsi)
1100 {
1101 	struct i40e_hw *hw = vsi->hw;
1102 	struct ixl_ftl_head tmp;
1103 	int cnt;
1104 
1105 	/*
1106 	 * The ixl_add_hw_filters function adds filters configured
1107 	 * in HW to a list in VSI. Move all filters to a temporary
1108 	 * list to avoid corrupting it by concatenating to itself.
1109 	 */
1110 	LIST_INIT(&tmp);
1111 	LIST_CONCAT(&tmp, &vsi->ftl, ixl_mac_filter, ftle);
1112 	cnt = vsi->num_hw_filters;
1113 	vsi->num_hw_filters = 0;
1114 
1115 	ixl_add_hw_filters(vsi, &tmp, cnt);
1116 
1117 	/* Filter could be removed if MAC address was changed */
1118 	ixl_add_filter(vsi, hw->mac.addr, IXL_VLAN_ANY);
1119 
1120 	if ((if_getcapenable(vsi->ifp) & IFCAP_VLAN_HWFILTER) == 0)
1121 		return;
1122 	/*
1123 	 * VLAN HW filtering is enabled, make sure that filters
1124 	 * for all registered VLAN tags are configured
1125 	 */
1126 	ixl_add_vlan_filters(vsi, hw->mac.addr);
1127 }
1128 
1129 /*
1130  * This routine adds a MAC/VLAN filter to the software filter
1131  * list, then adds that new filter to the HW if it doesn't already
1132  * exist in the SW filter list.
1133  */
1134 void
1135 ixl_add_filter(struct ixl_vsi *vsi, const u8 *macaddr, s16 vlan)
1136 {
1137 	struct ixl_mac_filter	*f, *tmp;
1138 	struct ixl_pf		*pf;
1139 	device_t		dev;
1140 	struct ixl_ftl_head	to_add;
1141 	int			to_add_cnt;
1142 
1143 	pf = vsi->back;
1144 	dev = pf->dev;
1145 	to_add_cnt = 1;
1146 
1147 	ixl_dbg_filter(pf, "ixl_add_filter: " MAC_FORMAT ", vlan %4d\n",
1148 	    MAC_FORMAT_ARGS(macaddr), vlan);
1149 
1150 	/* Does one already exist */
1151 	f = ixl_find_filter(&vsi->ftl, macaddr, vlan);
1152 	if (f != NULL)
1153 		return;
1154 
1155 	LIST_INIT(&to_add);
1156 	f = ixl_new_filter(&to_add, macaddr, vlan);
1157 	if (f == NULL) {
1158 		device_printf(dev, "WARNING: no filter available!!\n");
1159 		return;
1160 	}
1161 	if (f->vlan != IXL_VLAN_ANY)
1162 		f->flags |= IXL_FILTER_VLAN;
1163 	else
1164 		vsi->num_macs++;
1165 
1166 	/*
1167 	** Is this the first vlan being registered, if so we
1168 	** need to remove the ANY filter that indicates we are
1169 	** not in a vlan, and replace that with a 0 filter.
1170 	*/
1171 	if ((vlan != IXL_VLAN_ANY) && (vsi->num_vlans == 1)) {
1172 		tmp = ixl_find_filter(&vsi->ftl, macaddr, IXL_VLAN_ANY);
1173 		if (tmp != NULL) {
1174 			struct ixl_ftl_head to_del;
1175 
1176 			/* Prepare new filter first to avoid removing
1177 			 * VLAN_ANY filter if allocation fails */
1178 			f = ixl_new_filter(&to_add, macaddr, 0);
1179 			if (f == NULL) {
1180 				device_printf(dev, "WARNING: no filter available!!\n");
1181 				free(LIST_FIRST(&to_add), M_IXL);
1182 				return;
1183 			}
1184 			to_add_cnt++;
1185 
1186 			LIST_REMOVE(tmp, ftle);
1187 			LIST_INIT(&to_del);
1188 			LIST_INSERT_HEAD(&to_del, tmp, ftle);
1189 			ixl_del_hw_filters(vsi, &to_del, 1);
1190 		}
1191 	}
1192 
1193 	ixl_add_hw_filters(vsi, &to_add, to_add_cnt);
1194 }
1195 
1196 /**
1197  * ixl_add_vlan_filters - Add MAC/VLAN filters for all registered VLANs
1198  * @vsi: pointer to VSI
1199  * @macaddr: MAC address
1200  *
1201  * Adds MAC/VLAN filter for each VLAN configured on the interface
1202  * if there is enough HW filters. Otherwise adds a single filter
1203  * for all tagged and untagged frames to allow all configured VLANs
1204  * to recieve traffic.
1205  */
1206 void
1207 ixl_add_vlan_filters(struct ixl_vsi *vsi, const u8 *macaddr)
1208 {
1209 	struct ixl_ftl_head to_add;
1210 	struct ixl_mac_filter *f;
1211 	int to_add_cnt = 0;
1212 	int i, vlan = 0;
1213 
1214 	if (vsi->num_vlans == 0 || vsi->num_vlans > IXL_MAX_VLAN_FILTERS) {
1215 		ixl_add_filter(vsi, macaddr, IXL_VLAN_ANY);
1216 		return;
1217 	}
1218 	LIST_INIT(&to_add);
1219 
1220 	/* Add filter for untagged frames if it does not exist yet */
1221 	f = ixl_find_filter(&vsi->ftl, macaddr, 0);
1222 	if (f == NULL) {
1223 		f = ixl_new_filter(&to_add, macaddr, 0);
1224 		if (f == NULL) {
1225 			device_printf(vsi->dev, "WARNING: no filter available!!\n");
1226 			return;
1227 		}
1228 		to_add_cnt++;
1229 	}
1230 
1231 	for (i = 1; i < EVL_VLID_MASK; i = vlan + 1) {
1232 		bit_ffs_at(vsi->vlans_map, i, IXL_VLANS_MAP_LEN, &vlan);
1233 		if (vlan == -1)
1234 			break;
1235 
1236 		/* Does one already exist */
1237 		f = ixl_find_filter(&vsi->ftl, macaddr, vlan);
1238 		if (f != NULL)
1239 			continue;
1240 
1241 		f = ixl_new_filter(&to_add, macaddr, vlan);
1242 		if (f == NULL) {
1243 			device_printf(vsi->dev, "WARNING: no filter available!!\n");
1244 			ixl_free_filters(&to_add);
1245 			return;
1246 		}
1247 		to_add_cnt++;
1248 	}
1249 
1250 	ixl_add_hw_filters(vsi, &to_add, to_add_cnt);
1251 }
1252 
1253 void
1254 ixl_del_filter(struct ixl_vsi *vsi, const u8 *macaddr, s16 vlan)
1255 {
1256 	struct ixl_mac_filter *f, *tmp;
1257 	struct ixl_ftl_head ftl_head;
1258 	int to_del_cnt = 1;
1259 
1260 	ixl_dbg_filter((struct ixl_pf *)vsi->back,
1261 	    "ixl_del_filter: " MAC_FORMAT ", vlan %4d\n",
1262 	    MAC_FORMAT_ARGS(macaddr), vlan);
1263 
1264 	f = ixl_find_filter(&vsi->ftl, macaddr, vlan);
1265 	if (f == NULL)
1266 		return;
1267 
1268 	LIST_REMOVE(f, ftle);
1269 	LIST_INIT(&ftl_head);
1270 	LIST_INSERT_HEAD(&ftl_head, f, ftle);
1271 	if (f->vlan == IXL_VLAN_ANY && (f->flags & IXL_FILTER_VLAN) != 0)
1272 		vsi->num_macs--;
1273 
1274 	/* If this is not the last vlan just remove the filter */
1275 	if (vlan == IXL_VLAN_ANY || vsi->num_vlans > 0) {
1276 		ixl_del_hw_filters(vsi, &ftl_head, to_del_cnt);
1277 		return;
1278 	}
1279 
1280 	/* It's the last vlan, we need to switch back to a non-vlan filter */
1281 	tmp = ixl_find_filter(&vsi->ftl, macaddr, 0);
1282 	if (tmp != NULL) {
1283 		LIST_REMOVE(tmp, ftle);
1284 		LIST_INSERT_AFTER(f, tmp, ftle);
1285 		to_del_cnt++;
1286 	}
1287 	ixl_del_hw_filters(vsi, &ftl_head, to_del_cnt);
1288 
1289 	ixl_add_filter(vsi, macaddr, IXL_VLAN_ANY);
1290 }
1291 
1292 /**
1293  * ixl_del_all_vlan_filters - Delete all VLAN filters with given MAC
1294  * @vsi: VSI which filters need to be removed
1295  * @macaddr: MAC address
1296  *
1297  * Remove all MAC/VLAN filters with a given MAC address. For multicast
1298  * addresses there is always single filter for all VLANs used (IXL_VLAN_ANY)
1299  * so skip them to speed up processing. Those filters should be removed
1300  * using ixl_del_filter function.
1301  */
1302 void
1303 ixl_del_all_vlan_filters(struct ixl_vsi *vsi, const u8 *macaddr)
1304 {
1305 	struct ixl_mac_filter *f, *tmp;
1306 	struct ixl_ftl_head to_del;
1307 	int to_del_cnt = 0;
1308 
1309 	LIST_INIT(&to_del);
1310 
1311 	LIST_FOREACH_SAFE(f, &vsi->ftl, ftle, tmp) {
1312 		if ((f->flags & IXL_FILTER_MC) != 0 ||
1313 		    !ixl_ether_is_equal(f->macaddr, macaddr))
1314 			continue;
1315 
1316 		LIST_REMOVE(f, ftle);
1317 		LIST_INSERT_HEAD(&to_del, f, ftle);
1318 		to_del_cnt++;
1319 	}
1320 
1321 	ixl_dbg_filter((struct ixl_pf *)vsi->back,
1322 	    "%s: " MAC_FORMAT ", to_del_cnt: %d\n",
1323 	    __func__, MAC_FORMAT_ARGS(macaddr), to_del_cnt);
1324 	if (to_del_cnt > 0)
1325 		ixl_del_hw_filters(vsi, &to_del, to_del_cnt);
1326 }
1327 
1328 /*
1329 ** Find the filter with both matching mac addr and vlan id
1330 */
1331 struct ixl_mac_filter *
1332 ixl_find_filter(struct ixl_ftl_head *headp, const u8 *macaddr, s16 vlan)
1333 {
1334 	struct ixl_mac_filter	*f;
1335 
1336 	LIST_FOREACH(f, headp, ftle) {
1337 		if (ixl_ether_is_equal(f->macaddr, macaddr) &&
1338 		    (f->vlan == vlan)) {
1339 			return (f);
1340 		}
1341 	}
1342 
1343 	return (NULL);
1344 }
1345 
1346 /*
1347 ** This routine takes additions to the vsi filter
1348 ** table and creates an Admin Queue call to create
1349 ** the filters in the hardware.
1350 */
1351 void
1352 ixl_add_hw_filters(struct ixl_vsi *vsi, struct ixl_ftl_head *to_add, int cnt)
1353 {
1354 	struct i40e_aqc_add_macvlan_element_data *a, *b;
1355 	struct ixl_mac_filter	*f, *fn;
1356 	struct ixl_pf		*pf;
1357 	struct i40e_hw		*hw;
1358 	device_t		dev;
1359 	enum i40e_status_code	status;
1360 	int			j = 0;
1361 
1362 	pf = vsi->back;
1363 	dev = vsi->dev;
1364 	hw = &pf->hw;
1365 
1366 	ixl_dbg_filter(pf, "ixl_add_hw_filters: cnt: %d\n", cnt);
1367 
1368 	if (cnt < 1) {
1369 		ixl_dbg_info(pf, "ixl_add_hw_filters: cnt == 0\n");
1370 		return;
1371 	}
1372 
1373 	a = malloc(sizeof(struct i40e_aqc_add_macvlan_element_data) * cnt,
1374 	    M_IXL, M_NOWAIT | M_ZERO);
1375 	if (a == NULL) {
1376 		device_printf(dev, "add_hw_filters failed to get memory\n");
1377 		return;
1378 	}
1379 
1380 	LIST_FOREACH(f, to_add, ftle) {
1381 		b = &a[j]; // a pox on fvl long names :)
1382 		bcopy(f->macaddr, b->mac_addr, ETHER_ADDR_LEN);
1383 		if (f->vlan == IXL_VLAN_ANY) {
1384 			b->vlan_tag = 0;
1385 			b->flags = I40E_AQC_MACVLAN_ADD_IGNORE_VLAN;
1386 		} else {
1387 			b->vlan_tag = f->vlan;
1388 			b->flags = 0;
1389 		}
1390 		b->flags |= I40E_AQC_MACVLAN_ADD_PERFECT_MATCH;
1391 		ixl_dbg_filter(pf, "ADD: " MAC_FORMAT "\n",
1392 		    MAC_FORMAT_ARGS(f->macaddr));
1393 
1394 		if (++j == cnt)
1395 			break;
1396 	}
1397 	if (j != cnt) {
1398 		/* Something went wrong */
1399 		device_printf(dev,
1400 		    "%s ERROR: list of filters to short expected: %d, found: %d\n",
1401 		    __func__, cnt, j);
1402 		ixl_free_filters(to_add);
1403 		goto out_free;
1404 	}
1405 
1406 	status = i40e_aq_add_macvlan(hw, vsi->seid, a, j, NULL);
1407 	if (status == I40E_SUCCESS) {
1408 		LIST_CONCAT(&vsi->ftl, to_add, ixl_mac_filter, ftle);
1409 		vsi->num_hw_filters += j;
1410 		goto out_free;
1411 	}
1412 
1413 	device_printf(dev,
1414 	    "i40e_aq_add_macvlan status %s, error %s\n",
1415 	    i40e_stat_str(hw, status),
1416 	    i40e_aq_str(hw, hw->aq.asq_last_status));
1417 	j = 0;
1418 
1419 	/* Verify which filters were actually configured in HW
1420 	 * and add them to the list */
1421 	LIST_FOREACH_SAFE(f, to_add, ftle, fn) {
1422 		LIST_REMOVE(f, ftle);
1423 		if (a[j].match_method == I40E_AQC_MM_ERR_NO_RES) {
1424 			ixl_dbg_filter(pf,
1425 			    "%s filter " MAC_FORMAT " VTAG: %d not added\n",
1426 			    __func__,
1427 			    MAC_FORMAT_ARGS(f->macaddr),
1428 			    f->vlan);
1429 			free(f, M_IXL);
1430 		} else {
1431 			LIST_INSERT_HEAD(&vsi->ftl, f, ftle);
1432 			vsi->num_hw_filters++;
1433 		}
1434 		j++;
1435 	}
1436 
1437 out_free:
1438 	free(a, M_IXL);
1439 }
1440 
1441 /*
1442 ** This routine takes removals in the vsi filter
1443 ** table and creates an Admin Queue call to delete
1444 ** the filters in the hardware.
1445 */
1446 void
1447 ixl_del_hw_filters(struct ixl_vsi *vsi, struct ixl_ftl_head *to_del, int cnt)
1448 {
1449 	struct i40e_aqc_remove_macvlan_element_data *d, *e;
1450 	struct ixl_pf		*pf;
1451 	struct i40e_hw		*hw;
1452 	device_t		dev;
1453 	struct ixl_mac_filter	*f, *f_temp;
1454 	enum i40e_status_code	status;
1455 	int			j = 0;
1456 
1457 	pf = vsi->back;
1458 	hw = &pf->hw;
1459 	dev = vsi->dev;
1460 
1461 	ixl_dbg_filter(pf, "%s: start, cnt: %d\n", __func__, cnt);
1462 
1463 	d = malloc(sizeof(struct i40e_aqc_remove_macvlan_element_data) * cnt,
1464 	    M_IXL, M_NOWAIT | M_ZERO);
1465 	if (d == NULL) {
1466 		device_printf(dev, "%s: failed to get memory\n", __func__);
1467 		return;
1468 	}
1469 
1470 	LIST_FOREACH_SAFE(f, to_del, ftle, f_temp) {
1471 		e = &d[j]; // a pox on fvl long names :)
1472 		bcopy(f->macaddr, e->mac_addr, ETHER_ADDR_LEN);
1473 		e->flags = I40E_AQC_MACVLAN_DEL_PERFECT_MATCH;
1474 		if (f->vlan == IXL_VLAN_ANY) {
1475 			e->vlan_tag = 0;
1476 			e->flags |= I40E_AQC_MACVLAN_DEL_IGNORE_VLAN;
1477 		} else {
1478 			e->vlan_tag = f->vlan;
1479 		}
1480 
1481 		ixl_dbg_filter(pf, "DEL: " MAC_FORMAT "\n",
1482 		    MAC_FORMAT_ARGS(f->macaddr));
1483 
1484 		/* delete entry from the list */
1485 		LIST_REMOVE(f, ftle);
1486 		free(f, M_IXL);
1487 		if (++j == cnt)
1488 			break;
1489 	}
1490 	if (j != cnt || !LIST_EMPTY(to_del)) {
1491 		/* Something went wrong */
1492 		device_printf(dev,
1493 		    "%s ERROR: wrong size of list of filters, expected: %d, found: %d\n",
1494 		    __func__, cnt, j);
1495 		ixl_free_filters(to_del);
1496 		goto out_free;
1497 	}
1498 	status = i40e_aq_remove_macvlan(hw, vsi->seid, d, j, NULL);
1499 	if (status) {
1500 		device_printf(dev,
1501 		    "%s: i40e_aq_remove_macvlan status %s, error %s\n",
1502 		    __func__, i40e_stat_str(hw, status),
1503 		    i40e_aq_str(hw, hw->aq.asq_last_status));
1504 		for (int i = 0; i < j; i++) {
1505 			if (d[i].error_code == 0)
1506 				continue;
1507 			device_printf(dev,
1508 			    "%s Filter does not exist " MAC_FORMAT " VTAG: %d\n",
1509 			    __func__, MAC_FORMAT_ARGS(d[i].mac_addr),
1510 			    d[i].vlan_tag);
1511 		}
1512 	}
1513 
1514 	vsi->num_hw_filters -= j;
1515 
1516 out_free:
1517 	free(d, M_IXL);
1518 
1519 	ixl_dbg_filter(pf, "%s: end\n", __func__);
1520 }
1521 
1522 int
1523 ixl_enable_tx_ring(struct ixl_pf *pf, struct ixl_pf_qtag *qtag, u16 vsi_qidx)
1524 {
1525 	struct i40e_hw	*hw = &pf->hw;
1526 	int		error = 0;
1527 	u32		reg;
1528 	u16		pf_qidx;
1529 
1530 	pf_qidx = ixl_pf_qidx_from_vsi_qidx(qtag, vsi_qidx);
1531 
1532 	ixl_dbg(pf, IXL_DBG_EN_DIS,
1533 	    "Enabling PF TX ring %4d / VSI TX ring %4d...\n",
1534 	    pf_qidx, vsi_qidx);
1535 
1536 	i40e_pre_tx_queue_cfg(hw, pf_qidx, TRUE);
1537 
1538 	reg = rd32(hw, I40E_QTX_ENA(pf_qidx));
1539 	reg |= I40E_QTX_ENA_QENA_REQ_MASK |
1540 	    I40E_QTX_ENA_QENA_STAT_MASK;
1541 	wr32(hw, I40E_QTX_ENA(pf_qidx), reg);
1542 	/* Verify the enable took */
1543 	for (int j = 0; j < 10; j++) {
1544 		reg = rd32(hw, I40E_QTX_ENA(pf_qidx));
1545 		if (reg & I40E_QTX_ENA_QENA_STAT_MASK)
1546 			break;
1547 		i40e_usec_delay(10);
1548 	}
1549 	if ((reg & I40E_QTX_ENA_QENA_STAT_MASK) == 0) {
1550 		device_printf(pf->dev, "TX queue %d still disabled!\n",
1551 		    pf_qidx);
1552 		error = ETIMEDOUT;
1553 	}
1554 
1555 	return (error);
1556 }
1557 
1558 int
1559 ixl_enable_rx_ring(struct ixl_pf *pf, struct ixl_pf_qtag *qtag, u16 vsi_qidx)
1560 {
1561 	struct i40e_hw	*hw = &pf->hw;
1562 	int		error = 0;
1563 	u32		reg;
1564 	u16		pf_qidx;
1565 
1566 	pf_qidx = ixl_pf_qidx_from_vsi_qidx(qtag, vsi_qidx);
1567 
1568 	ixl_dbg(pf, IXL_DBG_EN_DIS,
1569 	    "Enabling PF RX ring %4d / VSI RX ring %4d...\n",
1570 	    pf_qidx, vsi_qidx);
1571 
1572 	reg = rd32(hw, I40E_QRX_ENA(pf_qidx));
1573 	reg |= I40E_QRX_ENA_QENA_REQ_MASK |
1574 	    I40E_QRX_ENA_QENA_STAT_MASK;
1575 	wr32(hw, I40E_QRX_ENA(pf_qidx), reg);
1576 	/* Verify the enable took */
1577 	for (int j = 0; j < 10; j++) {
1578 		reg = rd32(hw, I40E_QRX_ENA(pf_qidx));
1579 		if (reg & I40E_QRX_ENA_QENA_STAT_MASK)
1580 			break;
1581 		i40e_usec_delay(10);
1582 	}
1583 	if ((reg & I40E_QRX_ENA_QENA_STAT_MASK) == 0) {
1584 		device_printf(pf->dev, "RX queue %d still disabled!\n",
1585 		    pf_qidx);
1586 		error = ETIMEDOUT;
1587 	}
1588 
1589 	return (error);
1590 }
1591 
1592 int
1593 ixl_enable_ring(struct ixl_pf *pf, struct ixl_pf_qtag *qtag, u16 vsi_qidx)
1594 {
1595 	int error = 0;
1596 
1597 	error = ixl_enable_tx_ring(pf, qtag, vsi_qidx);
1598 	/* Called function already prints error message */
1599 	if (error)
1600 		return (error);
1601 	error = ixl_enable_rx_ring(pf, qtag, vsi_qidx);
1602 	return (error);
1603 }
1604 
1605 /*
1606  * Returns error on first ring that is detected hung.
1607  */
1608 int
1609 ixl_disable_tx_ring(struct ixl_pf *pf, struct ixl_pf_qtag *qtag, u16 vsi_qidx)
1610 {
1611 	struct i40e_hw	*hw = &pf->hw;
1612 	int		error = 0;
1613 	u32		reg;
1614 	u16		pf_qidx;
1615 
1616 	pf_qidx = ixl_pf_qidx_from_vsi_qidx(qtag, vsi_qidx);
1617 
1618 	ixl_dbg(pf, IXL_DBG_EN_DIS,
1619 	    "Disabling PF TX ring %4d / VSI TX ring %4d...\n",
1620 	    pf_qidx, vsi_qidx);
1621 
1622 	i40e_pre_tx_queue_cfg(hw, pf_qidx, FALSE);
1623 	i40e_usec_delay(500);
1624 
1625 	reg = rd32(hw, I40E_QTX_ENA(pf_qidx));
1626 	reg &= ~I40E_QTX_ENA_QENA_REQ_MASK;
1627 	wr32(hw, I40E_QTX_ENA(pf_qidx), reg);
1628 	/* Verify the disable took */
1629 	for (int j = 0; j < 10; j++) {
1630 		reg = rd32(hw, I40E_QTX_ENA(pf_qidx));
1631 		if (!(reg & I40E_QTX_ENA_QENA_STAT_MASK))
1632 			break;
1633 		i40e_msec_delay(10);
1634 	}
1635 	if (reg & I40E_QTX_ENA_QENA_STAT_MASK) {
1636 		device_printf(pf->dev, "TX queue %d still enabled!\n",
1637 		    pf_qidx);
1638 		error = ETIMEDOUT;
1639 	}
1640 
1641 	return (error);
1642 }
1643 
1644 /*
1645  * Returns error on first ring that is detected hung.
1646  */
1647 int
1648 ixl_disable_rx_ring(struct ixl_pf *pf, struct ixl_pf_qtag *qtag, u16 vsi_qidx)
1649 {
1650 	struct i40e_hw	*hw = &pf->hw;
1651 	int		error = 0;
1652 	u32		reg;
1653 	u16		pf_qidx;
1654 
1655 	pf_qidx = ixl_pf_qidx_from_vsi_qidx(qtag, vsi_qidx);
1656 
1657 	ixl_dbg(pf, IXL_DBG_EN_DIS,
1658 	    "Disabling PF RX ring %4d / VSI RX ring %4d...\n",
1659 	    pf_qidx, vsi_qidx);
1660 
1661 	reg = rd32(hw, I40E_QRX_ENA(pf_qidx));
1662 	reg &= ~I40E_QRX_ENA_QENA_REQ_MASK;
1663 	wr32(hw, I40E_QRX_ENA(pf_qidx), reg);
1664 	/* Verify the disable took */
1665 	for (int j = 0; j < 10; j++) {
1666 		reg = rd32(hw, I40E_QRX_ENA(pf_qidx));
1667 		if (!(reg & I40E_QRX_ENA_QENA_STAT_MASK))
1668 			break;
1669 		i40e_msec_delay(10);
1670 	}
1671 	if (reg & I40E_QRX_ENA_QENA_STAT_MASK) {
1672 		device_printf(pf->dev, "RX queue %d still enabled!\n",
1673 		    pf_qidx);
1674 		error = ETIMEDOUT;
1675 	}
1676 
1677 	return (error);
1678 }
1679 
1680 int
1681 ixl_disable_ring(struct ixl_pf *pf, struct ixl_pf_qtag *qtag, u16 vsi_qidx)
1682 {
1683 	int error = 0;
1684 
1685 	error = ixl_disable_tx_ring(pf, qtag, vsi_qidx);
1686 	/* Called function already prints error message */
1687 	if (error)
1688 		return (error);
1689 	error = ixl_disable_rx_ring(pf, qtag, vsi_qidx);
1690 	return (error);
1691 }
1692 
1693 static void
1694 ixl_handle_tx_mdd_event(struct ixl_pf *pf)
1695 {
1696 	struct i40e_hw *hw = &pf->hw;
1697 	device_t dev = pf->dev;
1698 	struct ixl_vf *vf;
1699 	bool mdd_detected = false;
1700 	bool pf_mdd_detected = false;
1701 	bool vf_mdd_detected = false;
1702 	u16 vf_num, queue;
1703 	u8 pf_num, event;
1704 	u8 pf_mdet_num, vp_mdet_num;
1705 	u32 reg;
1706 
1707 	/* find what triggered the MDD event */
1708 	reg = rd32(hw, I40E_GL_MDET_TX);
1709 	if (reg & I40E_GL_MDET_TX_VALID_MASK) {
1710 		pf_num = (reg & I40E_GL_MDET_TX_PF_NUM_MASK) >>
1711 		    I40E_GL_MDET_TX_PF_NUM_SHIFT;
1712 		vf_num = (reg & I40E_GL_MDET_TX_VF_NUM_MASK) >>
1713 		    I40E_GL_MDET_TX_VF_NUM_SHIFT;
1714 		event = (reg & I40E_GL_MDET_TX_EVENT_MASK) >>
1715 		    I40E_GL_MDET_TX_EVENT_SHIFT;
1716 		queue = (reg & I40E_GL_MDET_TX_QUEUE_MASK) >>
1717 		    I40E_GL_MDET_TX_QUEUE_SHIFT;
1718 		wr32(hw, I40E_GL_MDET_TX, 0xffffffff);
1719 		mdd_detected = true;
1720 	}
1721 
1722 	if (!mdd_detected)
1723 		return;
1724 
1725 	reg = rd32(hw, I40E_PF_MDET_TX);
1726 	if (reg & I40E_PF_MDET_TX_VALID_MASK) {
1727 		wr32(hw, I40E_PF_MDET_TX, 0xFFFF);
1728 		pf_mdet_num = hw->pf_id;
1729 		pf_mdd_detected = true;
1730 	}
1731 
1732 	/* Check if MDD was caused by a VF */
1733 	for (int i = 0; i < pf->num_vfs; i++) {
1734 		vf = &(pf->vfs[i]);
1735 		reg = rd32(hw, I40E_VP_MDET_TX(i));
1736 		if (reg & I40E_VP_MDET_TX_VALID_MASK) {
1737 			wr32(hw, I40E_VP_MDET_TX(i), 0xFFFF);
1738 			vp_mdet_num = i;
1739 			vf->num_mdd_events++;
1740 			vf_mdd_detected = true;
1741 		}
1742 	}
1743 
1744 	/* Print out an error message */
1745 	if (vf_mdd_detected && pf_mdd_detected)
1746 		device_printf(dev,
1747 		    "Malicious Driver Detection event %d"
1748 		    " on TX queue %d, pf number %d (PF-%d), vf number %d (VF-%d)\n",
1749 		    event, queue, pf_num, pf_mdet_num, vf_num, vp_mdet_num);
1750 	else if (vf_mdd_detected && !pf_mdd_detected)
1751 		device_printf(dev,
1752 		    "Malicious Driver Detection event %d"
1753 		    " on TX queue %d, pf number %d, vf number %d (VF-%d)\n",
1754 		    event, queue, pf_num, vf_num, vp_mdet_num);
1755 	else if (!vf_mdd_detected && pf_mdd_detected)
1756 		device_printf(dev,
1757 		    "Malicious Driver Detection event %d"
1758 		    " on TX queue %d, pf number %d (PF-%d)\n",
1759 		    event, queue, pf_num, pf_mdet_num);
1760 	/* Theoretically shouldn't happen */
1761 	else
1762 		device_printf(dev,
1763 		    "TX Malicious Driver Detection event (unknown)\n");
1764 }
1765 
1766 static void
1767 ixl_handle_rx_mdd_event(struct ixl_pf *pf)
1768 {
1769 	struct i40e_hw *hw = &pf->hw;
1770 	device_t dev = pf->dev;
1771 	struct ixl_vf *vf;
1772 	bool mdd_detected = false;
1773 	bool pf_mdd_detected = false;
1774 	bool vf_mdd_detected = false;
1775 	u16 queue;
1776 	u8 pf_num, event;
1777 	u8 pf_mdet_num, vp_mdet_num;
1778 	u32 reg;
1779 
1780 	/*
1781 	 * GL_MDET_RX doesn't contain VF number information, unlike
1782 	 * GL_MDET_TX.
1783 	 */
1784 	reg = rd32(hw, I40E_GL_MDET_RX);
1785 	if (reg & I40E_GL_MDET_RX_VALID_MASK) {
1786 		pf_num = (reg & I40E_GL_MDET_RX_FUNCTION_MASK) >>
1787 		    I40E_GL_MDET_RX_FUNCTION_SHIFT;
1788 		event = (reg & I40E_GL_MDET_RX_EVENT_MASK) >>
1789 		    I40E_GL_MDET_RX_EVENT_SHIFT;
1790 		queue = (reg & I40E_GL_MDET_RX_QUEUE_MASK) >>
1791 		    I40E_GL_MDET_RX_QUEUE_SHIFT;
1792 		wr32(hw, I40E_GL_MDET_RX, 0xffffffff);
1793 		mdd_detected = true;
1794 	}
1795 
1796 	if (!mdd_detected)
1797 		return;
1798 
1799 	reg = rd32(hw, I40E_PF_MDET_RX);
1800 	if (reg & I40E_PF_MDET_RX_VALID_MASK) {
1801 		wr32(hw, I40E_PF_MDET_RX, 0xFFFF);
1802 		pf_mdet_num = hw->pf_id;
1803 		pf_mdd_detected = true;
1804 	}
1805 
1806 	/* Check if MDD was caused by a VF */
1807 	for (int i = 0; i < pf->num_vfs; i++) {
1808 		vf = &(pf->vfs[i]);
1809 		reg = rd32(hw, I40E_VP_MDET_RX(i));
1810 		if (reg & I40E_VP_MDET_RX_VALID_MASK) {
1811 			wr32(hw, I40E_VP_MDET_RX(i), 0xFFFF);
1812 			vp_mdet_num = i;
1813 			vf->num_mdd_events++;
1814 			vf_mdd_detected = true;
1815 		}
1816 	}
1817 
1818 	/* Print out an error message */
1819 	if (vf_mdd_detected && pf_mdd_detected)
1820 		device_printf(dev,
1821 		    "Malicious Driver Detection event %d"
1822 		    " on RX queue %d, pf number %d (PF-%d), (VF-%d)\n",
1823 		    event, queue, pf_num, pf_mdet_num, vp_mdet_num);
1824 	else if (vf_mdd_detected && !pf_mdd_detected)
1825 		device_printf(dev,
1826 		    "Malicious Driver Detection event %d"
1827 		    " on RX queue %d, pf number %d, (VF-%d)\n",
1828 		    event, queue, pf_num, vp_mdet_num);
1829 	else if (!vf_mdd_detected && pf_mdd_detected)
1830 		device_printf(dev,
1831 		    "Malicious Driver Detection event %d"
1832 		    " on RX queue %d, pf number %d (PF-%d)\n",
1833 		    event, queue, pf_num, pf_mdet_num);
1834 	/* Theoretically shouldn't happen */
1835 	else
1836 		device_printf(dev,
1837 		    "RX Malicious Driver Detection event (unknown)\n");
1838 }
1839 
1840 /**
1841  * ixl_handle_mdd_event
1842  *
1843  * Called from interrupt handler to identify possibly malicious vfs
1844  * (But also detects events from the PF, as well)
1845  **/
1846 void
1847 ixl_handle_mdd_event(struct ixl_pf *pf)
1848 {
1849 	struct i40e_hw *hw = &pf->hw;
1850 	u32 reg;
1851 
1852 	/*
1853 	 * Handle both TX/RX because it's possible they could
1854 	 * both trigger in the same interrupt.
1855 	 */
1856 	ixl_handle_tx_mdd_event(pf);
1857 	ixl_handle_rx_mdd_event(pf);
1858 
1859 	atomic_clear_32(&pf->state, IXL_PF_STATE_MDD_PENDING);
1860 
1861 	/* re-enable mdd interrupt cause */
1862 	reg = rd32(hw, I40E_PFINT_ICR0_ENA);
1863 	reg |= I40E_PFINT_ICR0_ENA_MAL_DETECT_MASK;
1864 	wr32(hw, I40E_PFINT_ICR0_ENA, reg);
1865 	ixl_flush(hw);
1866 }
1867 
1868 void
1869 ixl_enable_intr0(struct i40e_hw *hw)
1870 {
1871 	u32		reg;
1872 
1873 	/* Use IXL_ITR_NONE so ITR isn't updated here */
1874 	reg = I40E_PFINT_DYN_CTL0_INTENA_MASK |
1875 	    I40E_PFINT_DYN_CTL0_CLEARPBA_MASK |
1876 	    (IXL_ITR_NONE << I40E_PFINT_DYN_CTL0_ITR_INDX_SHIFT);
1877 	wr32(hw, I40E_PFINT_DYN_CTL0, reg);
1878 }
1879 
1880 void
1881 ixl_disable_intr0(struct i40e_hw *hw)
1882 {
1883 	u32		reg;
1884 
1885 	reg = IXL_ITR_NONE << I40E_PFINT_DYN_CTL0_ITR_INDX_SHIFT;
1886 	wr32(hw, I40E_PFINT_DYN_CTL0, reg);
1887 	ixl_flush(hw);
1888 }
1889 
1890 void
1891 ixl_enable_queue(struct i40e_hw *hw, int id)
1892 {
1893 	u32		reg;
1894 
1895 	reg = I40E_PFINT_DYN_CTLN_INTENA_MASK |
1896 	    I40E_PFINT_DYN_CTLN_CLEARPBA_MASK |
1897 	    (IXL_ITR_NONE << I40E_PFINT_DYN_CTLN_ITR_INDX_SHIFT);
1898 	wr32(hw, I40E_PFINT_DYN_CTLN(id), reg);
1899 }
1900 
1901 void
1902 ixl_disable_queue(struct i40e_hw *hw, int id)
1903 {
1904 	u32		reg;
1905 
1906 	reg = IXL_ITR_NONE << I40E_PFINT_DYN_CTLN_ITR_INDX_SHIFT;
1907 	wr32(hw, I40E_PFINT_DYN_CTLN(id), reg);
1908 }
1909 
1910 void
1911 ixl_handle_empr_reset(struct ixl_pf *pf)
1912 {
1913 	struct ixl_vsi	*vsi = &pf->vsi;
1914 	bool is_up = !!(vsi->ifp->if_drv_flags & IFF_DRV_RUNNING);
1915 
1916 	ixl_prepare_for_reset(pf, is_up);
1917 	/*
1918 	 * i40e_pf_reset checks the type of reset and acts
1919 	 * accordingly. If EMP or Core reset was performed
1920 	 * doing PF reset is not necessary and it sometimes
1921 	 * fails.
1922 	 */
1923 	ixl_pf_reset(pf);
1924 
1925 	if (!IXL_PF_IN_RECOVERY_MODE(pf) &&
1926 	    ixl_get_fw_mode(pf) == IXL_FW_MODE_RECOVERY) {
1927 		atomic_set_32(&pf->state, IXL_PF_STATE_RECOVERY_MODE);
1928 		device_printf(pf->dev,
1929 		    "Firmware recovery mode detected. Limiting functionality. Refer to Intel(R) Ethernet Adapters and Devices User Guide for details on firmware recovery mode.\n");
1930 		pf->link_up = FALSE;
1931 		ixl_update_link_status(pf);
1932 	}
1933 
1934 	ixl_rebuild_hw_structs_after_reset(pf, is_up);
1935 
1936 	atomic_clear_32(&pf->state, IXL_PF_STATE_RESETTING);
1937 }
1938 
1939 void
1940 ixl_update_stats_counters(struct ixl_pf *pf)
1941 {
1942 	struct i40e_hw	*hw = &pf->hw;
1943 	struct ixl_vsi	*vsi = &pf->vsi;
1944 	struct ixl_vf	*vf;
1945 	u64 prev_link_xoff_rx = pf->stats.link_xoff_rx;
1946 
1947 	struct i40e_hw_port_stats *nsd = &pf->stats;
1948 	struct i40e_hw_port_stats *osd = &pf->stats_offsets;
1949 
1950 	/* Update hw stats */
1951 	ixl_stat_update32(hw, I40E_GLPRT_CRCERRS(hw->port),
1952 			   pf->stat_offsets_loaded,
1953 			   &osd->crc_errors, &nsd->crc_errors);
1954 	ixl_stat_update32(hw, I40E_GLPRT_ILLERRC(hw->port),
1955 			   pf->stat_offsets_loaded,
1956 			   &osd->illegal_bytes, &nsd->illegal_bytes);
1957 	ixl_stat_update48(hw, I40E_GLPRT_GORCH(hw->port),
1958 			   I40E_GLPRT_GORCL(hw->port),
1959 			   pf->stat_offsets_loaded,
1960 			   &osd->eth.rx_bytes, &nsd->eth.rx_bytes);
1961 	ixl_stat_update48(hw, I40E_GLPRT_GOTCH(hw->port),
1962 			   I40E_GLPRT_GOTCL(hw->port),
1963 			   pf->stat_offsets_loaded,
1964 			   &osd->eth.tx_bytes, &nsd->eth.tx_bytes);
1965 	ixl_stat_update32(hw, I40E_GLPRT_RDPC(hw->port),
1966 			   pf->stat_offsets_loaded,
1967 			   &osd->eth.rx_discards,
1968 			   &nsd->eth.rx_discards);
1969 	ixl_stat_update48(hw, I40E_GLPRT_UPRCH(hw->port),
1970 			   I40E_GLPRT_UPRCL(hw->port),
1971 			   pf->stat_offsets_loaded,
1972 			   &osd->eth.rx_unicast,
1973 			   &nsd->eth.rx_unicast);
1974 	ixl_stat_update48(hw, I40E_GLPRT_UPTCH(hw->port),
1975 			   I40E_GLPRT_UPTCL(hw->port),
1976 			   pf->stat_offsets_loaded,
1977 			   &osd->eth.tx_unicast,
1978 			   &nsd->eth.tx_unicast);
1979 	ixl_stat_update48(hw, I40E_GLPRT_MPRCH(hw->port),
1980 			   I40E_GLPRT_MPRCL(hw->port),
1981 			   pf->stat_offsets_loaded,
1982 			   &osd->eth.rx_multicast,
1983 			   &nsd->eth.rx_multicast);
1984 	ixl_stat_update48(hw, I40E_GLPRT_MPTCH(hw->port),
1985 			   I40E_GLPRT_MPTCL(hw->port),
1986 			   pf->stat_offsets_loaded,
1987 			   &osd->eth.tx_multicast,
1988 			   &nsd->eth.tx_multicast);
1989 	ixl_stat_update48(hw, I40E_GLPRT_BPRCH(hw->port),
1990 			   I40E_GLPRT_BPRCL(hw->port),
1991 			   pf->stat_offsets_loaded,
1992 			   &osd->eth.rx_broadcast,
1993 			   &nsd->eth.rx_broadcast);
1994 	ixl_stat_update48(hw, I40E_GLPRT_BPTCH(hw->port),
1995 			   I40E_GLPRT_BPTCL(hw->port),
1996 			   pf->stat_offsets_loaded,
1997 			   &osd->eth.tx_broadcast,
1998 			   &nsd->eth.tx_broadcast);
1999 
2000 	ixl_stat_update32(hw, I40E_GLPRT_TDOLD(hw->port),
2001 			   pf->stat_offsets_loaded,
2002 			   &osd->tx_dropped_link_down,
2003 			   &nsd->tx_dropped_link_down);
2004 	ixl_stat_update32(hw, I40E_GLPRT_MLFC(hw->port),
2005 			   pf->stat_offsets_loaded,
2006 			   &osd->mac_local_faults,
2007 			   &nsd->mac_local_faults);
2008 	ixl_stat_update32(hw, I40E_GLPRT_MRFC(hw->port),
2009 			   pf->stat_offsets_loaded,
2010 			   &osd->mac_remote_faults,
2011 			   &nsd->mac_remote_faults);
2012 	ixl_stat_update32(hw, I40E_GLPRT_RLEC(hw->port),
2013 			   pf->stat_offsets_loaded,
2014 			   &osd->rx_length_errors,
2015 			   &nsd->rx_length_errors);
2016 
2017 	/* Flow control (LFC) stats */
2018 	ixl_stat_update32(hw, I40E_GLPRT_LXONRXC(hw->port),
2019 			   pf->stat_offsets_loaded,
2020 			   &osd->link_xon_rx, &nsd->link_xon_rx);
2021 	ixl_stat_update32(hw, I40E_GLPRT_LXONTXC(hw->port),
2022 			   pf->stat_offsets_loaded,
2023 			   &osd->link_xon_tx, &nsd->link_xon_tx);
2024 	ixl_stat_update32(hw, I40E_GLPRT_LXOFFRXC(hw->port),
2025 			   pf->stat_offsets_loaded,
2026 			   &osd->link_xoff_rx, &nsd->link_xoff_rx);
2027 	ixl_stat_update32(hw, I40E_GLPRT_LXOFFTXC(hw->port),
2028 			   pf->stat_offsets_loaded,
2029 			   &osd->link_xoff_tx, &nsd->link_xoff_tx);
2030 
2031 	/*
2032 	 * For watchdog management we need to know if we have been paused
2033 	 * during the last interval, so capture that here.
2034 	 */
2035 	if (pf->stats.link_xoff_rx != prev_link_xoff_rx)
2036 		vsi->shared->isc_pause_frames = 1;
2037 
2038 	/* Packet size stats rx */
2039 	ixl_stat_update48(hw, I40E_GLPRT_PRC64H(hw->port),
2040 			   I40E_GLPRT_PRC64L(hw->port),
2041 			   pf->stat_offsets_loaded,
2042 			   &osd->rx_size_64, &nsd->rx_size_64);
2043 	ixl_stat_update48(hw, I40E_GLPRT_PRC127H(hw->port),
2044 			   I40E_GLPRT_PRC127L(hw->port),
2045 			   pf->stat_offsets_loaded,
2046 			   &osd->rx_size_127, &nsd->rx_size_127);
2047 	ixl_stat_update48(hw, I40E_GLPRT_PRC255H(hw->port),
2048 			   I40E_GLPRT_PRC255L(hw->port),
2049 			   pf->stat_offsets_loaded,
2050 			   &osd->rx_size_255, &nsd->rx_size_255);
2051 	ixl_stat_update48(hw, I40E_GLPRT_PRC511H(hw->port),
2052 			   I40E_GLPRT_PRC511L(hw->port),
2053 			   pf->stat_offsets_loaded,
2054 			   &osd->rx_size_511, &nsd->rx_size_511);
2055 	ixl_stat_update48(hw, I40E_GLPRT_PRC1023H(hw->port),
2056 			   I40E_GLPRT_PRC1023L(hw->port),
2057 			   pf->stat_offsets_loaded,
2058 			   &osd->rx_size_1023, &nsd->rx_size_1023);
2059 	ixl_stat_update48(hw, I40E_GLPRT_PRC1522H(hw->port),
2060 			   I40E_GLPRT_PRC1522L(hw->port),
2061 			   pf->stat_offsets_loaded,
2062 			   &osd->rx_size_1522, &nsd->rx_size_1522);
2063 	ixl_stat_update48(hw, I40E_GLPRT_PRC9522H(hw->port),
2064 			   I40E_GLPRT_PRC9522L(hw->port),
2065 			   pf->stat_offsets_loaded,
2066 			   &osd->rx_size_big, &nsd->rx_size_big);
2067 
2068 	/* Packet size stats tx */
2069 	ixl_stat_update48(hw, I40E_GLPRT_PTC64H(hw->port),
2070 			   I40E_GLPRT_PTC64L(hw->port),
2071 			   pf->stat_offsets_loaded,
2072 			   &osd->tx_size_64, &nsd->tx_size_64);
2073 	ixl_stat_update48(hw, I40E_GLPRT_PTC127H(hw->port),
2074 			   I40E_GLPRT_PTC127L(hw->port),
2075 			   pf->stat_offsets_loaded,
2076 			   &osd->tx_size_127, &nsd->tx_size_127);
2077 	ixl_stat_update48(hw, I40E_GLPRT_PTC255H(hw->port),
2078 			   I40E_GLPRT_PTC255L(hw->port),
2079 			   pf->stat_offsets_loaded,
2080 			   &osd->tx_size_255, &nsd->tx_size_255);
2081 	ixl_stat_update48(hw, I40E_GLPRT_PTC511H(hw->port),
2082 			   I40E_GLPRT_PTC511L(hw->port),
2083 			   pf->stat_offsets_loaded,
2084 			   &osd->tx_size_511, &nsd->tx_size_511);
2085 	ixl_stat_update48(hw, I40E_GLPRT_PTC1023H(hw->port),
2086 			   I40E_GLPRT_PTC1023L(hw->port),
2087 			   pf->stat_offsets_loaded,
2088 			   &osd->tx_size_1023, &nsd->tx_size_1023);
2089 	ixl_stat_update48(hw, I40E_GLPRT_PTC1522H(hw->port),
2090 			   I40E_GLPRT_PTC1522L(hw->port),
2091 			   pf->stat_offsets_loaded,
2092 			   &osd->tx_size_1522, &nsd->tx_size_1522);
2093 	ixl_stat_update48(hw, I40E_GLPRT_PTC9522H(hw->port),
2094 			   I40E_GLPRT_PTC9522L(hw->port),
2095 			   pf->stat_offsets_loaded,
2096 			   &osd->tx_size_big, &nsd->tx_size_big);
2097 
2098 	ixl_stat_update32(hw, I40E_GLPRT_RUC(hw->port),
2099 			   pf->stat_offsets_loaded,
2100 			   &osd->rx_undersize, &nsd->rx_undersize);
2101 	ixl_stat_update32(hw, I40E_GLPRT_RFC(hw->port),
2102 			   pf->stat_offsets_loaded,
2103 			   &osd->rx_fragments, &nsd->rx_fragments);
2104 	ixl_stat_update32(hw, I40E_GLPRT_ROC(hw->port),
2105 			   pf->stat_offsets_loaded,
2106 			   &osd->rx_oversize, &nsd->rx_oversize);
2107 	ixl_stat_update32(hw, I40E_GLPRT_RJC(hw->port),
2108 			   pf->stat_offsets_loaded,
2109 			   &osd->rx_jabber, &nsd->rx_jabber);
2110 	/* EEE */
2111 	i40e_get_phy_lpi_status(hw, nsd);
2112 
2113 	i40e_lpi_stat_update(hw, pf->stat_offsets_loaded,
2114 			  &osd->tx_lpi_count, &nsd->tx_lpi_count,
2115 			  &osd->rx_lpi_count, &nsd->rx_lpi_count);
2116 
2117 	pf->stat_offsets_loaded = true;
2118 	/* End hw stats */
2119 
2120 	/* Update vsi stats */
2121 	ixl_update_vsi_stats(vsi);
2122 
2123 	for (int i = 0; i < pf->num_vfs; i++) {
2124 		vf = &pf->vfs[i];
2125 		if (vf->vf_flags & VF_FLAG_ENABLED)
2126 			ixl_update_eth_stats(&pf->vfs[i].vsi);
2127 	}
2128 }
2129 
2130 /**
2131  * Update VSI-specific ethernet statistics counters.
2132  **/
2133 void
2134 ixl_update_eth_stats(struct ixl_vsi *vsi)
2135 {
2136 	struct ixl_pf *pf = (struct ixl_pf *)vsi->back;
2137 	struct i40e_hw *hw = &pf->hw;
2138 	struct i40e_eth_stats *es;
2139 	struct i40e_eth_stats *oes;
2140 	u16 stat_idx = vsi->info.stat_counter_idx;
2141 
2142 	es = &vsi->eth_stats;
2143 	oes = &vsi->eth_stats_offsets;
2144 
2145 	/* Gather up the stats that the hw collects */
2146 	ixl_stat_update32(hw, I40E_GLV_TEPC(stat_idx),
2147 			   vsi->stat_offsets_loaded,
2148 			   &oes->tx_errors, &es->tx_errors);
2149 	ixl_stat_update32(hw, I40E_GLV_RDPC(stat_idx),
2150 			   vsi->stat_offsets_loaded,
2151 			   &oes->rx_discards, &es->rx_discards);
2152 
2153 	ixl_stat_update48(hw, I40E_GLV_GORCH(stat_idx),
2154 			   I40E_GLV_GORCL(stat_idx),
2155 			   vsi->stat_offsets_loaded,
2156 			   &oes->rx_bytes, &es->rx_bytes);
2157 	ixl_stat_update48(hw, I40E_GLV_UPRCH(stat_idx),
2158 			   I40E_GLV_UPRCL(stat_idx),
2159 			   vsi->stat_offsets_loaded,
2160 			   &oes->rx_unicast, &es->rx_unicast);
2161 	ixl_stat_update48(hw, I40E_GLV_MPRCH(stat_idx),
2162 			   I40E_GLV_MPRCL(stat_idx),
2163 			   vsi->stat_offsets_loaded,
2164 			   &oes->rx_multicast, &es->rx_multicast);
2165 	ixl_stat_update48(hw, I40E_GLV_BPRCH(stat_idx),
2166 			   I40E_GLV_BPRCL(stat_idx),
2167 			   vsi->stat_offsets_loaded,
2168 			   &oes->rx_broadcast, &es->rx_broadcast);
2169 
2170 	ixl_stat_update48(hw, I40E_GLV_GOTCH(stat_idx),
2171 			   I40E_GLV_GOTCL(stat_idx),
2172 			   vsi->stat_offsets_loaded,
2173 			   &oes->tx_bytes, &es->tx_bytes);
2174 	ixl_stat_update48(hw, I40E_GLV_UPTCH(stat_idx),
2175 			   I40E_GLV_UPTCL(stat_idx),
2176 			   vsi->stat_offsets_loaded,
2177 			   &oes->tx_unicast, &es->tx_unicast);
2178 	ixl_stat_update48(hw, I40E_GLV_MPTCH(stat_idx),
2179 			   I40E_GLV_MPTCL(stat_idx),
2180 			   vsi->stat_offsets_loaded,
2181 			   &oes->tx_multicast, &es->tx_multicast);
2182 	ixl_stat_update48(hw, I40E_GLV_BPTCH(stat_idx),
2183 			   I40E_GLV_BPTCL(stat_idx),
2184 			   vsi->stat_offsets_loaded,
2185 			   &oes->tx_broadcast, &es->tx_broadcast);
2186 	vsi->stat_offsets_loaded = true;
2187 }
2188 
2189 void
2190 ixl_update_vsi_stats(struct ixl_vsi *vsi)
2191 {
2192 	struct ixl_pf		*pf;
2193 	struct i40e_eth_stats	*es;
2194 	u64			tx_discards, csum_errs;
2195 
2196 	struct i40e_hw_port_stats *nsd;
2197 
2198 	pf = vsi->back;
2199 	es = &vsi->eth_stats;
2200 	nsd = &pf->stats;
2201 
2202 	ixl_update_eth_stats(vsi);
2203 
2204 	tx_discards = es->tx_discards + nsd->tx_dropped_link_down;
2205 
2206 	csum_errs = 0;
2207 	for (int i = 0; i < vsi->num_rx_queues; i++)
2208 		csum_errs += vsi->rx_queues[i].rxr.csum_errs;
2209 	nsd->checksum_error = csum_errs;
2210 
2211 	/* Update ifnet stats */
2212 	IXL_SET_IPACKETS(vsi, es->rx_unicast +
2213 	                   es->rx_multicast +
2214 			   es->rx_broadcast);
2215 	IXL_SET_OPACKETS(vsi, es->tx_unicast +
2216 	                   es->tx_multicast +
2217 			   es->tx_broadcast);
2218 	IXL_SET_IBYTES(vsi, es->rx_bytes);
2219 	IXL_SET_OBYTES(vsi, es->tx_bytes);
2220 	IXL_SET_IMCASTS(vsi, es->rx_multicast);
2221 	IXL_SET_OMCASTS(vsi, es->tx_multicast);
2222 
2223 	IXL_SET_IERRORS(vsi, nsd->crc_errors + nsd->illegal_bytes +
2224 	    nsd->checksum_error + nsd->rx_length_errors +
2225 	    nsd->rx_undersize + nsd->rx_fragments + nsd->rx_oversize +
2226 	    nsd->rx_jabber);
2227 	IXL_SET_OERRORS(vsi, es->tx_errors);
2228 	IXL_SET_IQDROPS(vsi, es->rx_discards + nsd->eth.rx_discards);
2229 	IXL_SET_OQDROPS(vsi, tx_discards);
2230 	IXL_SET_NOPROTO(vsi, es->rx_unknown_protocol);
2231 	IXL_SET_COLLISIONS(vsi, 0);
2232 }
2233 
2234 /**
2235  * Reset all of the stats for the given pf
2236  **/
2237 void
2238 ixl_pf_reset_stats(struct ixl_pf *pf)
2239 {
2240 	bzero(&pf->stats, sizeof(struct i40e_hw_port_stats));
2241 	bzero(&pf->stats_offsets, sizeof(struct i40e_hw_port_stats));
2242 	pf->stat_offsets_loaded = false;
2243 }
2244 
2245 /**
2246  * Resets all stats of the given vsi
2247  **/
2248 void
2249 ixl_vsi_reset_stats(struct ixl_vsi *vsi)
2250 {
2251 	bzero(&vsi->eth_stats, sizeof(struct i40e_eth_stats));
2252 	bzero(&vsi->eth_stats_offsets, sizeof(struct i40e_eth_stats));
2253 	vsi->stat_offsets_loaded = false;
2254 }
2255 
2256 /**
2257  * Read and update a 48 bit stat from the hw
2258  *
2259  * Since the device stats are not reset at PFReset, they likely will not
2260  * be zeroed when the driver starts.  We'll save the first values read
2261  * and use them as offsets to be subtracted from the raw values in order
2262  * to report stats that count from zero.
2263  **/
2264 void
2265 ixl_stat_update48(struct i40e_hw *hw, u32 hireg, u32 loreg,
2266 	bool offset_loaded, u64 *offset, u64 *stat)
2267 {
2268 	u64 new_data;
2269 
2270 #if defined(__FreeBSD__) && (__FreeBSD_version >= 1000000) && defined(__amd64__)
2271 	new_data = rd64(hw, loreg);
2272 #else
2273 	/*
2274 	 * Use two rd32's instead of one rd64; FreeBSD versions before
2275 	 * 10 don't support 64-bit bus reads/writes.
2276 	 */
2277 	new_data = rd32(hw, loreg);
2278 	new_data |= ((u64)(rd32(hw, hireg) & 0xFFFF)) << 32;
2279 #endif
2280 
2281 	if (!offset_loaded)
2282 		*offset = new_data;
2283 	if (new_data >= *offset)
2284 		*stat = new_data - *offset;
2285 	else
2286 		*stat = (new_data + ((u64)1 << 48)) - *offset;
2287 	*stat &= 0xFFFFFFFFFFFFULL;
2288 }
2289 
2290 /**
2291  * Read and update a 32 bit stat from the hw
2292  **/
2293 void
2294 ixl_stat_update32(struct i40e_hw *hw, u32 reg,
2295 	bool offset_loaded, u64 *offset, u64 *stat)
2296 {
2297 	u32 new_data;
2298 
2299 	new_data = rd32(hw, reg);
2300 	if (!offset_loaded)
2301 		*offset = new_data;
2302 	if (new_data >= *offset)
2303 		*stat = (u32)(new_data - *offset);
2304 	else
2305 		*stat = (u32)((new_data + ((u64)1 << 32)) - *offset);
2306 }
2307 
2308 /**
2309  * Add subset of device sysctls safe to use in recovery mode
2310  */
2311 void
2312 ixl_add_sysctls_recovery_mode(struct ixl_pf *pf)
2313 {
2314 	device_t dev = pf->dev;
2315 
2316 	struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(dev);
2317 	struct sysctl_oid_list *ctx_list =
2318 	    SYSCTL_CHILDREN(device_get_sysctl_tree(dev));
2319 
2320 	struct sysctl_oid *debug_node;
2321 	struct sysctl_oid_list *debug_list;
2322 
2323 	SYSCTL_ADD_PROC(ctx, ctx_list,
2324 	    OID_AUTO, "fw_version",
2325 	    CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_NEEDGIANT, pf, 0,
2326 	    ixl_sysctl_show_fw, "A", "Firmware version");
2327 
2328 	/* Add sysctls meant to print debug information, but don't list them
2329 	 * in "sysctl -a" output. */
2330 	debug_node = SYSCTL_ADD_NODE(ctx, ctx_list,
2331 	    OID_AUTO, "debug", CTLFLAG_RD | CTLFLAG_SKIP | CTLFLAG_MPSAFE, NULL,
2332 	    "Debug Sysctls");
2333 	debug_list = SYSCTL_CHILDREN(debug_node);
2334 
2335 	SYSCTL_ADD_UINT(ctx, debug_list,
2336 	    OID_AUTO, "shared_debug_mask", CTLFLAG_RW,
2337 	    &pf->hw.debug_mask, 0, "Shared code debug message level");
2338 
2339 	SYSCTL_ADD_UINT(ctx, debug_list,
2340 	    OID_AUTO, "core_debug_mask", CTLFLAG_RW,
2341 	    &pf->dbg_mask, 0, "Non-shared code debug message level");
2342 
2343 	SYSCTL_ADD_PROC(ctx, debug_list,
2344 	    OID_AUTO, "dump_debug_data",
2345 	    CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_NEEDGIANT,
2346 	    pf, 0, ixl_sysctl_dump_debug_data, "A", "Dump Debug Data from FW");
2347 
2348 	SYSCTL_ADD_PROC(ctx, debug_list,
2349 	    OID_AUTO, "do_pf_reset",
2350 	    CTLTYPE_INT | CTLFLAG_WR | CTLFLAG_NEEDGIANT,
2351 	    pf, 0, ixl_sysctl_do_pf_reset, "I", "Tell HW to initiate a PF reset");
2352 
2353 	SYSCTL_ADD_PROC(ctx, debug_list,
2354 	    OID_AUTO, "do_core_reset",
2355 	    CTLTYPE_INT | CTLFLAG_WR | CTLFLAG_NEEDGIANT,
2356 	    pf, 0, ixl_sysctl_do_core_reset, "I", "Tell HW to initiate a CORE reset");
2357 
2358 	SYSCTL_ADD_PROC(ctx, debug_list,
2359 	    OID_AUTO, "do_global_reset",
2360 	    CTLTYPE_INT | CTLFLAG_WR | CTLFLAG_NEEDGIANT,
2361 	    pf, 0, ixl_sysctl_do_global_reset, "I", "Tell HW to initiate a GLOBAL reset");
2362 
2363 	SYSCTL_ADD_PROC(ctx, debug_list,
2364 	    OID_AUTO, "queue_interrupt_table",
2365 	    CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_NEEDGIANT,
2366 	    pf, 0, ixl_sysctl_queue_interrupt_table, "A", "View MSI-X indices for TX/RX queues");
2367 }
2368 
2369 void
2370 ixl_add_device_sysctls(struct ixl_pf *pf)
2371 {
2372 	device_t dev = pf->dev;
2373 	struct i40e_hw *hw = &pf->hw;
2374 
2375 	struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(dev);
2376 	struct sysctl_oid_list *ctx_list =
2377 	    SYSCTL_CHILDREN(device_get_sysctl_tree(dev));
2378 
2379 	struct sysctl_oid *debug_node;
2380 	struct sysctl_oid_list *debug_list;
2381 
2382 	struct sysctl_oid *fec_node;
2383 	struct sysctl_oid_list *fec_list;
2384 	struct sysctl_oid *eee_node;
2385 	struct sysctl_oid_list *eee_list;
2386 
2387 	/* Set up sysctls */
2388 	SYSCTL_ADD_PROC(ctx, ctx_list,
2389 	    OID_AUTO, "fc", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT,
2390 	    pf, 0, ixl_sysctl_set_flowcntl, "I", IXL_SYSCTL_HELP_FC);
2391 
2392 	SYSCTL_ADD_PROC(ctx, ctx_list,
2393 	    OID_AUTO, "advertise_speed",
2394 	    CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, pf, 0,
2395 	    ixl_sysctl_set_advertise, "I", IXL_SYSCTL_HELP_SET_ADVERTISE);
2396 
2397 	SYSCTL_ADD_PROC(ctx, ctx_list,
2398 	    OID_AUTO, "supported_speeds",
2399 	    CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_NEEDGIANT, pf, 0,
2400 	    ixl_sysctl_supported_speeds, "I", IXL_SYSCTL_HELP_SUPPORTED_SPEED);
2401 
2402 	SYSCTL_ADD_PROC(ctx, ctx_list,
2403 	    OID_AUTO, "current_speed",
2404 	    CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_NEEDGIANT, pf, 0,
2405 	    ixl_sysctl_current_speed, "A", "Current Port Speed");
2406 
2407 	SYSCTL_ADD_PROC(ctx, ctx_list,
2408 	    OID_AUTO, "fw_version",
2409 	    CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_NEEDGIANT, pf, 0,
2410 	    ixl_sysctl_show_fw, "A", "Firmware version");
2411 
2412 	SYSCTL_ADD_PROC(ctx, ctx_list,
2413 	    OID_AUTO, "unallocated_queues",
2414 	    CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_NEEDGIANT, pf, 0,
2415 	    ixl_sysctl_unallocated_queues, "I",
2416 	    "Queues not allocated to a PF or VF");
2417 
2418 	SYSCTL_ADD_PROC(ctx, ctx_list,
2419 	    OID_AUTO, "tx_itr",
2420 	    CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, pf, 0,
2421 	    ixl_sysctl_pf_tx_itr, "I",
2422 	    "Immediately set TX ITR value for all queues");
2423 
2424 	SYSCTL_ADD_PROC(ctx, ctx_list,
2425 	    OID_AUTO, "rx_itr",
2426 	    CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, pf, 0,
2427 	    ixl_sysctl_pf_rx_itr, "I",
2428 	    "Immediately set RX ITR value for all queues");
2429 
2430 	SYSCTL_ADD_INT(ctx, ctx_list,
2431 	    OID_AUTO, "dynamic_rx_itr", CTLFLAG_RW,
2432 	    &pf->dynamic_rx_itr, 0, "Enable dynamic RX ITR");
2433 
2434 	SYSCTL_ADD_INT(ctx, ctx_list,
2435 	    OID_AUTO, "dynamic_tx_itr", CTLFLAG_RW,
2436 	    &pf->dynamic_tx_itr, 0, "Enable dynamic TX ITR");
2437 
2438 	/* Add FEC sysctls for 25G adapters */
2439 	if (i40e_is_25G_device(hw->device_id)) {
2440 		fec_node = SYSCTL_ADD_NODE(ctx, ctx_list,
2441 		    OID_AUTO, "fec", CTLFLAG_RD | CTLFLAG_MPSAFE, NULL,
2442 		    "FEC Sysctls");
2443 		fec_list = SYSCTL_CHILDREN(fec_node);
2444 
2445 		SYSCTL_ADD_PROC(ctx, fec_list,
2446 		    OID_AUTO, "fc_ability",
2447 		    CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, pf, 0,
2448 		    ixl_sysctl_fec_fc_ability, "I", "FC FEC ability enabled");
2449 
2450 		SYSCTL_ADD_PROC(ctx, fec_list,
2451 		    OID_AUTO, "rs_ability",
2452 		    CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, pf, 0,
2453 		    ixl_sysctl_fec_rs_ability, "I", "RS FEC ability enabled");
2454 
2455 		SYSCTL_ADD_PROC(ctx, fec_list,
2456 		    OID_AUTO, "fc_requested",
2457 		    CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, pf, 0,
2458 		    ixl_sysctl_fec_fc_request, "I",
2459 		    "FC FEC mode requested on link");
2460 
2461 		SYSCTL_ADD_PROC(ctx, fec_list,
2462 		    OID_AUTO, "rs_requested",
2463 		    CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, pf, 0,
2464 		    ixl_sysctl_fec_rs_request, "I",
2465 		    "RS FEC mode requested on link");
2466 
2467 		SYSCTL_ADD_PROC(ctx, fec_list,
2468 		    OID_AUTO, "auto_fec_enabled",
2469 		    CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, pf, 0,
2470 		    ixl_sysctl_fec_auto_enable, "I",
2471 		    "Let FW decide FEC ability/request modes");
2472 	}
2473 
2474 	SYSCTL_ADD_PROC(ctx, ctx_list,
2475 	    OID_AUTO, "fw_lldp", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT,
2476 	    pf, 0, ixl_sysctl_fw_lldp, "I", IXL_SYSCTL_HELP_FW_LLDP);
2477 
2478 	eee_node = SYSCTL_ADD_NODE(ctx, ctx_list,
2479 	    OID_AUTO, "eee", CTLFLAG_RD | CTLFLAG_MPSAFE, NULL,
2480 	    "Energy Efficient Ethernet (EEE) Sysctls");
2481 	eee_list = SYSCTL_CHILDREN(eee_node);
2482 
2483 	SYSCTL_ADD_PROC(ctx, eee_list,
2484 	    OID_AUTO, "enable", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE,
2485 	    pf, 0, ixl_sysctl_eee_enable, "I",
2486 	    "Enable Energy Efficient Ethernet (EEE)");
2487 
2488 	SYSCTL_ADD_UINT(ctx, eee_list, OID_AUTO, "tx_lpi_status",
2489 	    CTLFLAG_RD | CTLFLAG_MPSAFE, &pf->stats.tx_lpi_status, 0,
2490 	    "TX LPI status");
2491 
2492 	SYSCTL_ADD_UINT(ctx, eee_list, OID_AUTO, "rx_lpi_status",
2493 	    CTLFLAG_RD | CTLFLAG_MPSAFE, &pf->stats.rx_lpi_status, 0,
2494 	    "RX LPI status");
2495 
2496 	SYSCTL_ADD_UQUAD(ctx, eee_list, OID_AUTO, "tx_lpi_count",
2497 	    CTLFLAG_RD | CTLFLAG_MPSAFE, &pf->stats.tx_lpi_count,
2498 	    "TX LPI count");
2499 
2500 	SYSCTL_ADD_UQUAD(ctx, eee_list, OID_AUTO, "rx_lpi_count",
2501 	    CTLFLAG_RD | CTLFLAG_MPSAFE, &pf->stats.rx_lpi_count,
2502 	    "RX LPI count");
2503 
2504 	SYSCTL_ADD_PROC(ctx, ctx_list, OID_AUTO,
2505 	    "link_active_on_if_down",
2506 	    CTLTYPE_INT | CTLFLAG_RWTUN,
2507 	    pf, 0, ixl_sysctl_set_link_active, "I",
2508 	    IXL_SYSCTL_HELP_SET_LINK_ACTIVE);
2509 
2510 	/* Add sysctls meant to print debug information, but don't list them
2511 	 * in "sysctl -a" output. */
2512 	debug_node = SYSCTL_ADD_NODE(ctx, ctx_list,
2513 	    OID_AUTO, "debug", CTLFLAG_RD | CTLFLAG_SKIP | CTLFLAG_MPSAFE, NULL,
2514 	    "Debug Sysctls");
2515 	debug_list = SYSCTL_CHILDREN(debug_node);
2516 
2517 	SYSCTL_ADD_UINT(ctx, debug_list,
2518 	    OID_AUTO, "shared_debug_mask", CTLFLAG_RW,
2519 	    &pf->hw.debug_mask, 0, "Shared code debug message level");
2520 
2521 	SYSCTL_ADD_UINT(ctx, debug_list,
2522 	    OID_AUTO, "core_debug_mask", CTLFLAG_RW,
2523 	    &pf->dbg_mask, 0, "Non-shared code debug message level");
2524 
2525 	SYSCTL_ADD_PROC(ctx, debug_list,
2526 	    OID_AUTO, "link_status",
2527 	    CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_NEEDGIANT,
2528 	    pf, 0, ixl_sysctl_link_status, "A", IXL_SYSCTL_HELP_LINK_STATUS);
2529 
2530 	SYSCTL_ADD_PROC(ctx, debug_list,
2531 	    OID_AUTO, "phy_abilities_init",
2532 	    CTLTYPE_STRING | CTLFLAG_RD,
2533 	    pf, 1, ixl_sysctl_phy_abilities, "A", "Initial PHY Abilities");
2534 
2535 	SYSCTL_ADD_PROC(ctx, debug_list,
2536 	    OID_AUTO, "phy_abilities",
2537 	    CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_NEEDGIANT,
2538 	    pf, 0, ixl_sysctl_phy_abilities, "A", "PHY Abilities");
2539 
2540 	SYSCTL_ADD_PROC(ctx, debug_list,
2541 	    OID_AUTO, "filter_list",
2542 	    CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_NEEDGIANT,
2543 	    pf, 0, ixl_sysctl_sw_filter_list, "A", "SW Filter List");
2544 
2545 	SYSCTL_ADD_PROC(ctx, debug_list,
2546 	    OID_AUTO, "hw_res_alloc",
2547 	    CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_NEEDGIANT,
2548 	    pf, 0, ixl_sysctl_hw_res_alloc, "A", "HW Resource Allocation");
2549 
2550 	SYSCTL_ADD_PROC(ctx, debug_list,
2551 	    OID_AUTO, "switch_config",
2552 	    CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_NEEDGIANT,
2553 	    pf, 0, ixl_sysctl_switch_config, "A", "HW Switch Configuration");
2554 
2555 	SYSCTL_ADD_PROC(ctx, debug_list,
2556 	    OID_AUTO, "switch_vlans",
2557 	    CTLTYPE_INT | CTLFLAG_WR | CTLFLAG_NEEDGIANT,
2558 	    pf, 0, ixl_sysctl_switch_vlans, "I", "HW Switch VLAN Configuration");
2559 
2560 	SYSCTL_ADD_PROC(ctx, debug_list,
2561 	    OID_AUTO, "rss_key",
2562 	    CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_NEEDGIANT,
2563 	    pf, 0, ixl_sysctl_hkey, "A", "View RSS key");
2564 
2565 	SYSCTL_ADD_PROC(ctx, debug_list,
2566 	    OID_AUTO, "rss_lut",
2567 	    CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_NEEDGIANT,
2568 	    pf, 0, ixl_sysctl_hlut, "A", "View RSS lookup table");
2569 
2570 	SYSCTL_ADD_PROC(ctx, debug_list,
2571 	    OID_AUTO, "rss_hena",
2572 	    CTLTYPE_ULONG | CTLFLAG_RD | CTLFLAG_NEEDGIANT,
2573 	    pf, 0, ixl_sysctl_hena, "LU", "View enabled packet types for RSS");
2574 
2575 	SYSCTL_ADD_PROC(ctx, debug_list,
2576 	    OID_AUTO, "disable_fw_link_management",
2577 	    CTLTYPE_INT | CTLFLAG_WR | CTLFLAG_NEEDGIANT,
2578 	    pf, 0, ixl_sysctl_fw_link_management, "I", "Disable FW Link Management");
2579 
2580 	SYSCTL_ADD_PROC(ctx, debug_list,
2581 	    OID_AUTO, "dump_debug_data",
2582 	    CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_NEEDGIANT,
2583 	    pf, 0, ixl_sysctl_dump_debug_data, "A", "Dump Debug Data from FW");
2584 
2585 	SYSCTL_ADD_PROC(ctx, debug_list,
2586 	    OID_AUTO, "do_pf_reset",
2587 	    CTLTYPE_INT | CTLFLAG_WR | CTLFLAG_NEEDGIANT,
2588 	    pf, 0, ixl_sysctl_do_pf_reset, "I", "Tell HW to initiate a PF reset");
2589 
2590 	SYSCTL_ADD_PROC(ctx, debug_list,
2591 	    OID_AUTO, "do_core_reset",
2592 	    CTLTYPE_INT | CTLFLAG_WR | CTLFLAG_NEEDGIANT,
2593 	    pf, 0, ixl_sysctl_do_core_reset, "I", "Tell HW to initiate a CORE reset");
2594 
2595 	SYSCTL_ADD_PROC(ctx, debug_list,
2596 	    OID_AUTO, "do_global_reset",
2597 	    CTLTYPE_INT | CTLFLAG_WR | CTLFLAG_NEEDGIANT,
2598 	    pf, 0, ixl_sysctl_do_global_reset, "I", "Tell HW to initiate a GLOBAL reset");
2599 
2600 	SYSCTL_ADD_PROC(ctx, debug_list,
2601 	    OID_AUTO, "queue_interrupt_table",
2602 	    CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_NEEDGIANT,
2603 	    pf, 0, ixl_sysctl_queue_interrupt_table, "A", "View MSI-X indices for TX/RX queues");
2604 
2605 	if (pf->has_i2c) {
2606 		SYSCTL_ADD_PROC(ctx, debug_list,
2607 		    OID_AUTO, "read_i2c_byte",
2608 		    CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT,
2609 		    pf, 0, ixl_sysctl_read_i2c_byte, "I", IXL_SYSCTL_HELP_READ_I2C);
2610 
2611 		SYSCTL_ADD_PROC(ctx, debug_list,
2612 		    OID_AUTO, "write_i2c_byte",
2613 		    CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT,
2614 		    pf, 0, ixl_sysctl_write_i2c_byte, "I", IXL_SYSCTL_HELP_WRITE_I2C);
2615 
2616 		SYSCTL_ADD_PROC(ctx, debug_list,
2617 		    OID_AUTO, "read_i2c_diag_data",
2618 		    CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_NEEDGIANT,
2619 		    pf, 0, ixl_sysctl_read_i2c_diag_data, "A", "Dump selected diagnostic data from FW");
2620 	}
2621 }
2622 
2623 /*
2624  * Primarily for finding out how many queues can be assigned to VFs,
2625  * at runtime.
2626  */
2627 static int
2628 ixl_sysctl_unallocated_queues(SYSCTL_HANDLER_ARGS)
2629 {
2630 	struct ixl_pf *pf = (struct ixl_pf *)arg1;
2631 	int queues;
2632 
2633 	queues = (int)ixl_pf_qmgr_get_num_free(&pf->qmgr);
2634 
2635 	return sysctl_handle_int(oidp, NULL, queues, req);
2636 }
2637 
2638 static const char *
2639 ixl_link_speed_string(enum i40e_aq_link_speed link_speed)
2640 {
2641 	const char * link_speed_str[] = {
2642 		"Unknown",
2643 		"100 Mbps",
2644 		"1 Gbps",
2645 		"10 Gbps",
2646 		"40 Gbps",
2647 		"20 Gbps",
2648 		"25 Gbps",
2649 		"2.5 Gbps",
2650 		"5 Gbps"
2651 	};
2652 	int index;
2653 
2654 	switch (link_speed) {
2655 	case I40E_LINK_SPEED_100MB:
2656 		index = 1;
2657 		break;
2658 	case I40E_LINK_SPEED_1GB:
2659 		index = 2;
2660 		break;
2661 	case I40E_LINK_SPEED_10GB:
2662 		index = 3;
2663 		break;
2664 	case I40E_LINK_SPEED_40GB:
2665 		index = 4;
2666 		break;
2667 	case I40E_LINK_SPEED_20GB:
2668 		index = 5;
2669 		break;
2670 	case I40E_LINK_SPEED_25GB:
2671 		index = 6;
2672 		break;
2673 	case I40E_LINK_SPEED_2_5GB:
2674 		index = 7;
2675 		break;
2676 	case I40E_LINK_SPEED_5GB:
2677 		index = 8;
2678 		break;
2679 	case I40E_LINK_SPEED_UNKNOWN:
2680 	default:
2681 		index = 0;
2682 		break;
2683 	}
2684 
2685 	return (link_speed_str[index]);
2686 }
2687 
2688 int
2689 ixl_sysctl_current_speed(SYSCTL_HANDLER_ARGS)
2690 {
2691 	struct ixl_pf *pf = (struct ixl_pf *)arg1;
2692 	struct i40e_hw *hw = &pf->hw;
2693 	int error = 0;
2694 
2695 	ixl_update_link_status(pf);
2696 
2697 	error = sysctl_handle_string(oidp,
2698 	    __DECONST(void *,
2699 		ixl_link_speed_string(hw->phy.link_info.link_speed)),
2700 	    8, req);
2701 
2702 	return (error);
2703 }
2704 
2705 /*
2706  * Converts 8-bit speeds value to and from sysctl flags and
2707  * Admin Queue flags.
2708  */
2709 static u8
2710 ixl_convert_sysctl_aq_link_speed(u8 speeds, bool to_aq)
2711 {
2712 #define SPEED_MAP_SIZE 8
2713 	static u16 speedmap[SPEED_MAP_SIZE] = {
2714 		(I40E_LINK_SPEED_100MB | (0x1 << 8)),
2715 		(I40E_LINK_SPEED_1GB   | (0x2 << 8)),
2716 		(I40E_LINK_SPEED_10GB  | (0x4 << 8)),
2717 		(I40E_LINK_SPEED_20GB  | (0x8 << 8)),
2718 		(I40E_LINK_SPEED_25GB  | (0x10 << 8)),
2719 		(I40E_LINK_SPEED_40GB  | (0x20 << 8)),
2720 		(I40E_LINK_SPEED_2_5GB | (0x40 << 8)),
2721 		(I40E_LINK_SPEED_5GB   | (0x80 << 8)),
2722 	};
2723 	u8 retval = 0;
2724 
2725 	for (int i = 0; i < SPEED_MAP_SIZE; i++) {
2726 		if (to_aq)
2727 			retval |= (speeds & (speedmap[i] >> 8)) ? (speedmap[i] & 0xff) : 0;
2728 		else
2729 			retval |= (speeds & speedmap[i]) ? (speedmap[i] >> 8) : 0;
2730 	}
2731 
2732 	return (retval);
2733 }
2734 
2735 int
2736 ixl_set_advertised_speeds(struct ixl_pf *pf, int speeds, bool from_aq)
2737 {
2738 	struct i40e_hw *hw = &pf->hw;
2739 	device_t dev = pf->dev;
2740 	struct i40e_aq_get_phy_abilities_resp abilities;
2741 	struct i40e_aq_set_phy_config config;
2742 	enum i40e_status_code aq_error = 0;
2743 
2744 	/* Get current capability information */
2745 	aq_error = i40e_aq_get_phy_capabilities(hw,
2746 	    FALSE, FALSE, &abilities, NULL);
2747 	if (aq_error) {
2748 		device_printf(dev,
2749 		    "%s: Error getting phy capabilities %d,"
2750 		    " aq error: %d\n", __func__, aq_error,
2751 		    hw->aq.asq_last_status);
2752 		return (EIO);
2753 	}
2754 
2755 	/* Prepare new config */
2756 	bzero(&config, sizeof(config));
2757 	if (from_aq)
2758 		config.link_speed = speeds;
2759 	else
2760 		config.link_speed = ixl_convert_sysctl_aq_link_speed(speeds, true);
2761 	config.phy_type = abilities.phy_type;
2762 	config.phy_type_ext = abilities.phy_type_ext;
2763 	config.abilities = abilities.abilities
2764 	    | I40E_AQ_PHY_ENABLE_ATOMIC_LINK;
2765 	config.eee_capability = abilities.eee_capability;
2766 	config.eeer = abilities.eeer_val;
2767 	config.low_power_ctrl = abilities.d3_lpan;
2768 	config.fec_config = abilities.fec_cfg_curr_mod_ext_info
2769 	    & I40E_AQ_PHY_FEC_CONFIG_MASK;
2770 
2771 	/* Do aq command & restart link */
2772 	aq_error = i40e_aq_set_phy_config(hw, &config, NULL);
2773 	if (aq_error) {
2774 		device_printf(dev,
2775 		    "%s: Error setting new phy config %d,"
2776 		    " aq error: %d\n", __func__, aq_error,
2777 		    hw->aq.asq_last_status);
2778 		return (EIO);
2779 	}
2780 
2781 	return (0);
2782 }
2783 
2784 /*
2785 ** Supported link speeds
2786 **	Flags:
2787 **	 0x1 - 100 Mb
2788 **	 0x2 - 1G
2789 **	 0x4 - 10G
2790 **	 0x8 - 20G
2791 **	0x10 - 25G
2792 **	0x20 - 40G
2793 **	0x40 - 2.5G
2794 **	0x80 - 5G
2795 */
2796 static int
2797 ixl_sysctl_supported_speeds(SYSCTL_HANDLER_ARGS)
2798 {
2799 	struct ixl_pf *pf = (struct ixl_pf *)arg1;
2800 	int supported = ixl_convert_sysctl_aq_link_speed(pf->supported_speeds, false);
2801 
2802 	return sysctl_handle_int(oidp, NULL, supported, req);
2803 }
2804 
2805 /*
2806 ** Control link advertise speed:
2807 **	Flags:
2808 **	 0x1 - advertise 100 Mb
2809 **	 0x2 - advertise 1G
2810 **	 0x4 - advertise 10G
2811 **	 0x8 - advertise 20G
2812 **	0x10 - advertise 25G
2813 **	0x20 - advertise 40G
2814 **	0x40 - advertise 2.5G
2815 **	0x80 - advertise 5G
2816 **
2817 **	Set to 0 to disable link
2818 */
2819 int
2820 ixl_sysctl_set_advertise(SYSCTL_HANDLER_ARGS)
2821 {
2822 	struct ixl_pf *pf = (struct ixl_pf *)arg1;
2823 	device_t dev = pf->dev;
2824 	u8 converted_speeds;
2825 	int requested_ls = 0;
2826 	int error = 0;
2827 
2828 	/* Read in new mode */
2829 	requested_ls = pf->advertised_speed;
2830 	error = sysctl_handle_int(oidp, &requested_ls, 0, req);
2831 	if ((error) || (req->newptr == NULL))
2832 		return (error);
2833 	if (IXL_PF_IN_RECOVERY_MODE(pf)) {
2834 		device_printf(dev, "Interface is currently in FW recovery mode. "
2835 				"Setting advertise speed not supported\n");
2836 		return (EINVAL);
2837 	}
2838 
2839 	/* Error out if bits outside of possible flag range are set */
2840 	if ((requested_ls & ~((u8)0xFF)) != 0) {
2841 		device_printf(dev, "Input advertised speed out of range; "
2842 		    "valid flags are: 0x%02x\n",
2843 		    ixl_convert_sysctl_aq_link_speed(pf->supported_speeds, false));
2844 		return (EINVAL);
2845 	}
2846 
2847 	/* Check if adapter supports input value */
2848 	converted_speeds = ixl_convert_sysctl_aq_link_speed((u8)requested_ls, true);
2849 	if ((converted_speeds | pf->supported_speeds) != pf->supported_speeds) {
2850 		device_printf(dev, "Invalid advertised speed; "
2851 		    "valid flags are: 0x%02x\n",
2852 		    ixl_convert_sysctl_aq_link_speed(pf->supported_speeds, false));
2853 		return (EINVAL);
2854 	}
2855 
2856 	error = ixl_set_advertised_speeds(pf, requested_ls, false);
2857 	if (error)
2858 		return (error);
2859 
2860 	pf->advertised_speed = requested_ls;
2861 	ixl_update_link_status(pf);
2862 	return (0);
2863 }
2864 
2865 /*
2866  * Input: bitmap of enum i40e_aq_link_speed
2867  */
2868 u64
2869 ixl_max_aq_speed_to_value(u8 link_speeds)
2870 {
2871 	if (link_speeds & I40E_LINK_SPEED_40GB)
2872 		return IF_Gbps(40);
2873 	if (link_speeds & I40E_LINK_SPEED_25GB)
2874 		return IF_Gbps(25);
2875 	if (link_speeds & I40E_LINK_SPEED_20GB)
2876 		return IF_Gbps(20);
2877 	if (link_speeds & I40E_LINK_SPEED_10GB)
2878 		return IF_Gbps(10);
2879 	if (link_speeds & I40E_LINK_SPEED_5GB)
2880 		return IF_Gbps(5);
2881 	if (link_speeds & I40E_LINK_SPEED_2_5GB)
2882 		return IF_Mbps(2500);
2883 	if (link_speeds & I40E_LINK_SPEED_1GB)
2884 		return IF_Gbps(1);
2885 	if (link_speeds & I40E_LINK_SPEED_100MB)
2886 		return IF_Mbps(100);
2887 	else
2888 		/* Minimum supported link speed */
2889 		return IF_Mbps(100);
2890 }
2891 
2892 /*
2893 ** Get the width and transaction speed of
2894 ** the bus this adapter is plugged into.
2895 */
2896 void
2897 ixl_get_bus_info(struct ixl_pf *pf)
2898 {
2899 	struct i40e_hw *hw = &pf->hw;
2900 	device_t dev = pf->dev;
2901         u16 link;
2902         u32 offset, num_ports;
2903 	u64 max_speed;
2904 
2905 	/* Some devices don't use PCIE */
2906 	if (hw->mac.type == I40E_MAC_X722)
2907 		return;
2908 
2909         /* Read PCI Express Capabilities Link Status Register */
2910         pci_find_cap(dev, PCIY_EXPRESS, &offset);
2911         link = pci_read_config(dev, offset + PCIER_LINK_STA, 2);
2912 
2913 	/* Fill out hw struct with PCIE info */
2914 	i40e_set_pci_config_data(hw, link);
2915 
2916 	/* Use info to print out bandwidth messages */
2917         device_printf(dev,"PCI Express Bus: Speed %s %s\n",
2918             ((hw->bus.speed == i40e_bus_speed_8000) ? "8.0GT/s":
2919             (hw->bus.speed == i40e_bus_speed_5000) ? "5.0GT/s":
2920             (hw->bus.speed == i40e_bus_speed_2500) ? "2.5GT/s":"Unknown"),
2921             (hw->bus.width == i40e_bus_width_pcie_x8) ? "Width x8" :
2922             (hw->bus.width == i40e_bus_width_pcie_x4) ? "Width x4" :
2923             (hw->bus.width == i40e_bus_width_pcie_x2) ? "Width x2" :
2924             (hw->bus.width == i40e_bus_width_pcie_x1) ? "Width x1" :
2925             ("Unknown"));
2926 
2927 	/*
2928 	 * If adapter is in slot with maximum supported speed,
2929 	 * no warning message needs to be printed out.
2930 	 */
2931 	if (hw->bus.speed >= i40e_bus_speed_8000
2932 	    && hw->bus.width >= i40e_bus_width_pcie_x8)
2933 		return;
2934 
2935 	num_ports = bitcount32(hw->func_caps.valid_functions);
2936 	max_speed = ixl_max_aq_speed_to_value(pf->supported_speeds) / 1000000;
2937 
2938 	if ((num_ports * max_speed) > hw->bus.speed * hw->bus.width) {
2939                 device_printf(dev, "PCI-Express bandwidth available"
2940                     " for this device may be insufficient for"
2941                     " optimal performance.\n");
2942                 device_printf(dev, "Please move the device to a different"
2943 		    " PCI-e link with more lanes and/or higher"
2944 		    " transfer rate.\n");
2945         }
2946 }
2947 
2948 static int
2949 ixl_sysctl_show_fw(SYSCTL_HANDLER_ARGS)
2950 {
2951 	struct ixl_pf	*pf = (struct ixl_pf *)arg1;
2952 	struct i40e_hw	*hw = &pf->hw;
2953 	struct sbuf	*sbuf;
2954 
2955 	sbuf = sbuf_new_for_sysctl(NULL, NULL, 128, req);
2956 	ixl_nvm_version_str(hw, sbuf);
2957 	sbuf_finish(sbuf);
2958 	sbuf_delete(sbuf);
2959 
2960 	return (0);
2961 }
2962 
2963 void
2964 ixl_print_nvm_cmd(device_t dev, struct i40e_nvm_access *nvma)
2965 {
2966 	u8 nvma_ptr = nvma->config & 0xFF;
2967 	u8 nvma_flags = (nvma->config & 0xF00) >> 8;
2968 	const char * cmd_str;
2969 
2970 	switch (nvma->command) {
2971 	case I40E_NVM_READ:
2972 		if (nvma_ptr == 0xF && nvma_flags == 0xF &&
2973 		    nvma->offset == 0 && nvma->data_size == 1) {
2974 			device_printf(dev, "NVMUPD: Get Driver Status Command\n");
2975 			return;
2976 		}
2977 		cmd_str = "READ ";
2978 		break;
2979 	case I40E_NVM_WRITE:
2980 		cmd_str = "WRITE";
2981 		break;
2982 	default:
2983 		device_printf(dev, "NVMUPD: unknown command: 0x%08x\n", nvma->command);
2984 		return;
2985 	}
2986 	device_printf(dev,
2987 	    "NVMUPD: cmd: %s ptr: 0x%02x flags: 0x%01x offset: 0x%08x data_s: 0x%08x\n",
2988 	    cmd_str, nvma_ptr, nvma_flags, nvma->offset, nvma->data_size);
2989 }
2990 
2991 int
2992 ixl_handle_nvmupd_cmd(struct ixl_pf *pf, struct ifdrv *ifd)
2993 {
2994 	struct i40e_hw *hw = &pf->hw;
2995 	struct i40e_nvm_access *nvma;
2996 	device_t dev = pf->dev;
2997 	enum i40e_status_code status = 0;
2998 	size_t nvma_size, ifd_len, exp_len;
2999 	int err, perrno;
3000 
3001 	DEBUGFUNC("ixl_handle_nvmupd_cmd");
3002 
3003 	/* Sanity checks */
3004 	nvma_size = sizeof(struct i40e_nvm_access);
3005 	ifd_len = ifd->ifd_len;
3006 
3007 	if (ifd_len < nvma_size ||
3008 	    ifd->ifd_data == NULL) {
3009 		device_printf(dev, "%s: incorrect ifdrv length or data pointer\n",
3010 		    __func__);
3011 		device_printf(dev, "%s: ifdrv length: %zu, sizeof(struct i40e_nvm_access): %zu\n",
3012 		    __func__, ifd_len, nvma_size);
3013 		device_printf(dev, "%s: data pointer: %p\n", __func__,
3014 		    ifd->ifd_data);
3015 		return (EINVAL);
3016 	}
3017 
3018 	nvma = malloc(ifd_len, M_IXL, M_WAITOK);
3019 	err = copyin(ifd->ifd_data, nvma, ifd_len);
3020 	if (err) {
3021 		device_printf(dev, "%s: Cannot get request from user space\n",
3022 		    __func__);
3023 		free(nvma, M_IXL);
3024 		return (err);
3025 	}
3026 
3027 	if (pf->dbg_mask & IXL_DBG_NVMUPD)
3028 		ixl_print_nvm_cmd(dev, nvma);
3029 
3030 	if (IXL_PF_IS_RESETTING(pf)) {
3031 		int count = 0;
3032 		while (count++ < 100) {
3033 			i40e_msec_delay(100);
3034 			if (!(IXL_PF_IS_RESETTING(pf)))
3035 				break;
3036 		}
3037 	}
3038 
3039 	if (IXL_PF_IS_RESETTING(pf)) {
3040 		device_printf(dev,
3041 		    "%s: timeout waiting for EMP reset to finish\n",
3042 		    __func__);
3043 		free(nvma, M_IXL);
3044 		return (-EBUSY);
3045 	}
3046 
3047 	if (nvma->data_size < 1 || nvma->data_size > 4096) {
3048 		device_printf(dev,
3049 		    "%s: invalid request, data size not in supported range\n",
3050 		    __func__);
3051 		free(nvma, M_IXL);
3052 		return (EINVAL);
3053 	}
3054 
3055 	/*
3056 	 * Older versions of the NVM update tool don't set ifd_len to the size
3057 	 * of the entire buffer passed to the ioctl. Check the data_size field
3058 	 * in the contained i40e_nvm_access struct and ensure everything is
3059 	 * copied in from userspace.
3060 	 */
3061 	exp_len = nvma_size + nvma->data_size - 1; /* One byte is kept in struct */
3062 
3063 	if (ifd_len < exp_len) {
3064 		ifd_len = exp_len;
3065 		nvma = realloc(nvma, ifd_len, M_IXL, M_WAITOK);
3066 		err = copyin(ifd->ifd_data, nvma, ifd_len);
3067 		if (err) {
3068 			device_printf(dev, "%s: Cannot get request from user space\n",
3069 					__func__);
3070 			free(nvma, M_IXL);
3071 			return (err);
3072 		}
3073 	}
3074 
3075 	// TODO: Might need a different lock here
3076 	// IXL_PF_LOCK(pf);
3077 	status = i40e_nvmupd_command(hw, nvma, nvma->data, &perrno);
3078 	// IXL_PF_UNLOCK(pf);
3079 
3080 	err = copyout(nvma, ifd->ifd_data, ifd_len);
3081 	free(nvma, M_IXL);
3082 	if (err) {
3083 		device_printf(dev, "%s: Cannot return data to user space\n",
3084 				__func__);
3085 		return (err);
3086 	}
3087 
3088 	/* Let the nvmupdate report errors, show them only when debug is enabled */
3089 	if (status != 0 && (pf->dbg_mask & IXL_DBG_NVMUPD) != 0)
3090 		device_printf(dev, "i40e_nvmupd_command status %s, perrno %d\n",
3091 		    i40e_stat_str(hw, status), perrno);
3092 
3093 	/*
3094 	 * -EPERM is actually ERESTART, which the kernel interprets as it needing
3095 	 * to run this ioctl again. So use -EACCES for -EPERM instead.
3096 	 */
3097 	if (perrno == -EPERM)
3098 		return (-EACCES);
3099 	else
3100 		return (perrno);
3101 }
3102 
3103 int
3104 ixl_find_i2c_interface(struct ixl_pf *pf)
3105 {
3106 	struct i40e_hw *hw = &pf->hw;
3107 	bool i2c_en, port_matched;
3108 	u32 reg;
3109 
3110 	for (int i = 0; i < 4; i++) {
3111 		reg = rd32(hw, I40E_GLGEN_MDIO_I2C_SEL(i));
3112 		i2c_en = (reg & I40E_GLGEN_MDIO_I2C_SEL_MDIO_I2C_SEL_MASK);
3113 		port_matched = ((reg & I40E_GLGEN_MDIO_I2C_SEL_PHY_PORT_NUM_MASK)
3114 		    >> I40E_GLGEN_MDIO_I2C_SEL_PHY_PORT_NUM_SHIFT)
3115 		    & BIT(hw->port);
3116 		if (i2c_en && port_matched)
3117 			return (i);
3118 	}
3119 
3120 	return (-1);
3121 }
3122 
3123 void
3124 ixl_set_link(struct ixl_pf *pf, bool enable)
3125 {
3126 	struct i40e_hw *hw = &pf->hw;
3127 	device_t dev = pf->dev;
3128 	struct i40e_aq_get_phy_abilities_resp abilities;
3129 	struct i40e_aq_set_phy_config config;
3130 	enum i40e_status_code aq_error = 0;
3131 	u32 phy_type, phy_type_ext;
3132 
3133 	/* Get initial capability information */
3134 	aq_error = i40e_aq_get_phy_capabilities(hw,
3135 	    FALSE, TRUE, &abilities, NULL);
3136 	if (aq_error) {
3137 		device_printf(dev,
3138 		    "%s: Error getting phy capabilities %d,"
3139 		    " aq error: %d\n", __func__, aq_error,
3140 		    hw->aq.asq_last_status);
3141 		return;
3142 	}
3143 
3144 	phy_type = abilities.phy_type;
3145 	phy_type_ext = abilities.phy_type_ext;
3146 
3147 	/* Get current capability information */
3148 	aq_error = i40e_aq_get_phy_capabilities(hw,
3149 	    FALSE, FALSE, &abilities, NULL);
3150 	if (aq_error) {
3151 		device_printf(dev,
3152 		    "%s: Error getting phy capabilities %d,"
3153 		    " aq error: %d\n", __func__, aq_error,
3154 		    hw->aq.asq_last_status);
3155 		return;
3156 	}
3157 
3158 	/* Prepare new config */
3159 	memset(&config, 0, sizeof(config));
3160 	config.link_speed = abilities.link_speed;
3161 	config.abilities = abilities.abilities;
3162 	config.eee_capability = abilities.eee_capability;
3163 	config.eeer = abilities.eeer_val;
3164 	config.low_power_ctrl = abilities.d3_lpan;
3165 	config.fec_config = abilities.fec_cfg_curr_mod_ext_info
3166 	    & I40E_AQ_PHY_FEC_CONFIG_MASK;
3167 	config.phy_type = 0;
3168 	config.phy_type_ext = 0;
3169 
3170 	config.abilities &= ~(I40E_AQ_PHY_FLAG_PAUSE_TX |
3171 			I40E_AQ_PHY_FLAG_PAUSE_RX);
3172 
3173 	switch (pf->fc) {
3174 	case I40E_FC_FULL:
3175 		config.abilities |= I40E_AQ_PHY_FLAG_PAUSE_TX |
3176 			I40E_AQ_PHY_FLAG_PAUSE_RX;
3177 		break;
3178 	case I40E_FC_RX_PAUSE:
3179 		config.abilities |= I40E_AQ_PHY_FLAG_PAUSE_RX;
3180 		break;
3181 	case I40E_FC_TX_PAUSE:
3182 		config.abilities |= I40E_AQ_PHY_FLAG_PAUSE_TX;
3183 		break;
3184 	default:
3185 		break;
3186 	}
3187 
3188 	if (enable) {
3189 		config.phy_type = phy_type;
3190 		config.phy_type_ext = phy_type_ext;
3191 
3192 	}
3193 
3194 	aq_error = i40e_aq_set_phy_config(hw, &config, NULL);
3195 	if (aq_error) {
3196 		device_printf(dev,
3197 		    "%s: Error setting new phy config %d,"
3198 		    " aq error: %d\n", __func__, aq_error,
3199 		    hw->aq.asq_last_status);
3200 		return;
3201 	}
3202 
3203 	aq_error = i40e_aq_set_link_restart_an(hw, enable, NULL);
3204 	if (aq_error) {
3205 		device_printf(dev,
3206 		    "%s: Error set link config %d,"
3207 		    " aq error: %d\n", __func__, aq_error,
3208 		    hw->aq.asq_last_status);
3209 		return;
3210 	}
3211 }
3212 
3213 static char *
3214 ixl_phy_type_string(u32 bit_pos, bool ext)
3215 {
3216 	static char * phy_types_str[32] = {
3217 		"SGMII",
3218 		"1000BASE-KX",
3219 		"10GBASE-KX4",
3220 		"10GBASE-KR",
3221 		"40GBASE-KR4",
3222 		"XAUI",
3223 		"XFI",
3224 		"SFI",
3225 		"XLAUI",
3226 		"XLPPI",
3227 		"40GBASE-CR4",
3228 		"10GBASE-CR1",
3229 		"SFP+ Active DA",
3230 		"QSFP+ Active DA",
3231 		"Reserved (14)",
3232 		"Reserved (15)",
3233 		"Reserved (16)",
3234 		"100BASE-TX",
3235 		"1000BASE-T",
3236 		"10GBASE-T",
3237 		"10GBASE-SR",
3238 		"10GBASE-LR",
3239 		"10GBASE-SFP+Cu",
3240 		"10GBASE-CR1",
3241 		"40GBASE-CR4",
3242 		"40GBASE-SR4",
3243 		"40GBASE-LR4",
3244 		"1000BASE-SX",
3245 		"1000BASE-LX",
3246 		"1000BASE-T Optical",
3247 		"20GBASE-KR2",
3248 		"Reserved (31)"
3249 	};
3250 	static char * ext_phy_types_str[8] = {
3251 		"25GBASE-KR",
3252 		"25GBASE-CR",
3253 		"25GBASE-SR",
3254 		"25GBASE-LR",
3255 		"25GBASE-AOC",
3256 		"25GBASE-ACC",
3257 		"2.5GBASE-T",
3258 		"5GBASE-T"
3259 	};
3260 
3261 	if (ext && bit_pos > 7) return "Invalid_Ext";
3262 	if (bit_pos > 31) return "Invalid";
3263 
3264 	return (ext) ? ext_phy_types_str[bit_pos] : phy_types_str[bit_pos];
3265 }
3266 
3267 /* TODO: ERJ: I don't this is necessary anymore. */
3268 int
3269 ixl_aq_get_link_status(struct ixl_pf *pf, struct i40e_aqc_get_link_status *link_status)
3270 {
3271 	device_t dev = pf->dev;
3272 	struct i40e_hw *hw = &pf->hw;
3273 	struct i40e_aq_desc desc;
3274 	enum i40e_status_code status;
3275 
3276 	struct i40e_aqc_get_link_status *aq_link_status =
3277 		(struct i40e_aqc_get_link_status *)&desc.params.raw;
3278 
3279 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_get_link_status);
3280 	link_status->command_flags = CPU_TO_LE16(I40E_AQ_LSE_ENABLE);
3281 	status = i40e_asq_send_command(hw, &desc, NULL, 0, NULL);
3282 	if (status) {
3283 		device_printf(dev,
3284 		    "%s: i40e_aqc_opc_get_link_status status %s, aq error %s\n",
3285 		    __func__, i40e_stat_str(hw, status),
3286 		    i40e_aq_str(hw, hw->aq.asq_last_status));
3287 		return (EIO);
3288 	}
3289 
3290 	bcopy(aq_link_status, link_status, sizeof(struct i40e_aqc_get_link_status));
3291 	return (0);
3292 }
3293 
3294 static char *
3295 ixl_phy_type_string_ls(u8 val)
3296 {
3297 	if (val >= 0x1F)
3298 		return ixl_phy_type_string(val - 0x1F, true);
3299 	else
3300 		return ixl_phy_type_string(val, false);
3301 }
3302 
3303 static int
3304 ixl_sysctl_link_status(SYSCTL_HANDLER_ARGS)
3305 {
3306 	struct ixl_pf *pf = (struct ixl_pf *)arg1;
3307 	device_t dev = pf->dev;
3308 	struct sbuf *buf;
3309 	int error = 0;
3310 
3311 	buf = sbuf_new_for_sysctl(NULL, NULL, 128, req);
3312 	if (!buf) {
3313 		device_printf(dev, "Could not allocate sbuf for sysctl output.\n");
3314 		return (ENOMEM);
3315 	}
3316 
3317 	struct i40e_aqc_get_link_status link_status;
3318 	error = ixl_aq_get_link_status(pf, &link_status);
3319 	if (error) {
3320 		sbuf_delete(buf);
3321 		return (error);
3322 	}
3323 
3324 	sbuf_printf(buf, "\n"
3325 	    "PHY Type : 0x%02x<%s>\n"
3326 	    "Speed    : 0x%02x\n"
3327 	    "Link info: 0x%02x\n"
3328 	    "AN info  : 0x%02x\n"
3329 	    "Ext info : 0x%02x\n"
3330 	    "Loopback : 0x%02x\n"
3331 	    "Max Frame: %d\n"
3332 	    "Config   : 0x%02x\n"
3333 	    "Power    : 0x%02x",
3334 	    link_status.phy_type,
3335 	    ixl_phy_type_string_ls(link_status.phy_type),
3336 	    link_status.link_speed,
3337 	    link_status.link_info,
3338 	    link_status.an_info,
3339 	    link_status.ext_info,
3340 	    link_status.loopback,
3341 	    link_status.max_frame_size,
3342 	    link_status.config,
3343 	    link_status.power_desc);
3344 
3345 	error = sbuf_finish(buf);
3346 	if (error)
3347 		device_printf(dev, "Error finishing sbuf: %d\n", error);
3348 
3349 	sbuf_delete(buf);
3350 	return (error);
3351 }
3352 
3353 static int
3354 ixl_sysctl_phy_abilities(SYSCTL_HANDLER_ARGS)
3355 {
3356 	struct ixl_pf *pf = (struct ixl_pf *)arg1;
3357 	struct i40e_hw *hw = &pf->hw;
3358 	device_t dev = pf->dev;
3359 	enum i40e_status_code status;
3360 	struct i40e_aq_get_phy_abilities_resp abilities;
3361 	struct sbuf *buf;
3362 	int error = 0;
3363 
3364 	buf = sbuf_new_for_sysctl(NULL, NULL, 128, req);
3365 	if (!buf) {
3366 		device_printf(dev, "Could not allocate sbuf for sysctl output.\n");
3367 		return (ENOMEM);
3368 	}
3369 
3370 	status = i40e_aq_get_phy_capabilities(hw,
3371 	    FALSE, arg2 != 0, &abilities, NULL);
3372 	if (status) {
3373 		device_printf(dev,
3374 		    "%s: i40e_aq_get_phy_capabilities() status %s, aq error %s\n",
3375 		    __func__, i40e_stat_str(hw, status),
3376 		    i40e_aq_str(hw, hw->aq.asq_last_status));
3377 		sbuf_delete(buf);
3378 		return (EIO);
3379 	}
3380 
3381 	sbuf_printf(buf, "\n"
3382 	    "PHY Type : %08x",
3383 	    abilities.phy_type);
3384 
3385 	if (abilities.phy_type != 0) {
3386 		sbuf_printf(buf, "<");
3387 		for (int i = 0; i < 32; i++)
3388 			if ((1 << i) & abilities.phy_type)
3389 				sbuf_printf(buf, "%s,", ixl_phy_type_string(i, false));
3390 		sbuf_printf(buf, ">");
3391 	}
3392 
3393 	sbuf_printf(buf, "\nPHY Ext  : %02x",
3394 	    abilities.phy_type_ext);
3395 
3396 	if (abilities.phy_type_ext != 0) {
3397 		sbuf_printf(buf, "<");
3398 		for (int i = 0; i < 4; i++)
3399 			if ((1 << i) & abilities.phy_type_ext)
3400 				sbuf_printf(buf, "%s,",
3401 				    ixl_phy_type_string(i, true));
3402 		sbuf_printf(buf, ">");
3403 	}
3404 
3405 	sbuf_printf(buf, "\nSpeed    : %02x", abilities.link_speed);
3406 	if (abilities.link_speed != 0) {
3407 		u8 link_speed;
3408 		sbuf_printf(buf, " <");
3409 		for (int i = 0; i < 8; i++) {
3410 			link_speed = (1 << i) & abilities.link_speed;
3411 			if (link_speed)
3412 				sbuf_printf(buf, "%s, ",
3413 				    ixl_link_speed_string(link_speed));
3414 		}
3415 		sbuf_printf(buf, ">");
3416 	}
3417 
3418 	sbuf_printf(buf, "\n"
3419 	    "Abilities: %02x\n"
3420 	    "EEE cap  : %04x\n"
3421 	    "EEER reg : %08x\n"
3422 	    "D3 Lpan  : %02x\n"
3423 	    "ID       : %02x %02x %02x %02x\n"
3424 	    "ModType  : %02x %02x %02x\n"
3425 	    "ModType E: %01x\n"
3426 	    "FEC Cfg  : %02x\n"
3427 	    "Ext CC   : %02x",
3428 	    abilities.abilities, abilities.eee_capability,
3429 	    abilities.eeer_val, abilities.d3_lpan,
3430 	    abilities.phy_id[0], abilities.phy_id[1],
3431 	    abilities.phy_id[2], abilities.phy_id[3],
3432 	    abilities.module_type[0], abilities.module_type[1],
3433 	    abilities.module_type[2], (abilities.fec_cfg_curr_mod_ext_info & 0xe0) >> 5,
3434 	    abilities.fec_cfg_curr_mod_ext_info & 0x1F,
3435 	    abilities.ext_comp_code);
3436 
3437 	error = sbuf_finish(buf);
3438 	if (error)
3439 		device_printf(dev, "Error finishing sbuf: %d\n", error);
3440 
3441 	sbuf_delete(buf);
3442 	return (error);
3443 }
3444 
3445 static int
3446 ixl_sysctl_sw_filter_list(SYSCTL_HANDLER_ARGS)
3447 {
3448 	struct ixl_pf *pf = (struct ixl_pf *)arg1;
3449 	struct ixl_vsi *vsi = &pf->vsi;
3450 	struct ixl_mac_filter *f;
3451 	device_t dev = pf->dev;
3452 	int error = 0, ftl_len = 0, ftl_counter = 0;
3453 
3454 	struct sbuf *buf;
3455 
3456 	buf = sbuf_new_for_sysctl(NULL, NULL, 128, req);
3457 	if (!buf) {
3458 		device_printf(dev, "Could not allocate sbuf for sysctl output.\n");
3459 		return (ENOMEM);
3460 	}
3461 
3462 	sbuf_printf(buf, "\n");
3463 
3464 	/* Print MAC filters */
3465 	sbuf_printf(buf, "PF Filters:\n");
3466 	LIST_FOREACH(f, &vsi->ftl, ftle)
3467 		ftl_len++;
3468 
3469 	if (ftl_len < 1)
3470 		sbuf_printf(buf, "(none)\n");
3471 	else {
3472 		LIST_FOREACH(f, &vsi->ftl, ftle) {
3473 			sbuf_printf(buf,
3474 			    MAC_FORMAT ", vlan %4d, flags %#06x",
3475 			    MAC_FORMAT_ARGS(f->macaddr), f->vlan, f->flags);
3476 			/* don't print '\n' for last entry */
3477 			if (++ftl_counter != ftl_len)
3478 				sbuf_printf(buf, "\n");
3479 		}
3480 	}
3481 
3482 #ifdef PCI_IOV
3483 	/* TODO: Give each VF its own filter list sysctl */
3484 	struct ixl_vf *vf;
3485 	if (pf->num_vfs > 0) {
3486 		sbuf_printf(buf, "\n\n");
3487 		for (int i = 0; i < pf->num_vfs; i++) {
3488 			vf = &pf->vfs[i];
3489 			if (!(vf->vf_flags & VF_FLAG_ENABLED))
3490 				continue;
3491 
3492 			vsi = &vf->vsi;
3493 			ftl_len = 0, ftl_counter = 0;
3494 			sbuf_printf(buf, "VF-%d Filters:\n", vf->vf_num);
3495 			LIST_FOREACH(f, &vsi->ftl, ftle)
3496 				ftl_len++;
3497 
3498 			if (ftl_len < 1)
3499 				sbuf_printf(buf, "(none)\n");
3500 			else {
3501 				LIST_FOREACH(f, &vsi->ftl, ftle) {
3502 					sbuf_printf(buf,
3503 					    MAC_FORMAT ", vlan %4d, flags %#06x\n",
3504 					    MAC_FORMAT_ARGS(f->macaddr), f->vlan, f->flags);
3505 				}
3506 			}
3507 		}
3508 	}
3509 #endif
3510 
3511 	error = sbuf_finish(buf);
3512 	if (error)
3513 		device_printf(dev, "Error finishing sbuf: %d\n", error);
3514 	sbuf_delete(buf);
3515 
3516 	return (error);
3517 }
3518 
3519 #define IXL_SW_RES_SIZE 0x14
3520 int
3521 ixl_res_alloc_cmp(const void *a, const void *b)
3522 {
3523 	const struct i40e_aqc_switch_resource_alloc_element_resp *one, *two;
3524 	one = (const struct i40e_aqc_switch_resource_alloc_element_resp *)a;
3525 	two = (const struct i40e_aqc_switch_resource_alloc_element_resp *)b;
3526 
3527 	return ((int)one->resource_type - (int)two->resource_type);
3528 }
3529 
3530 /*
3531  * Longest string length: 25
3532  */
3533 const char *
3534 ixl_switch_res_type_string(u8 type)
3535 {
3536 	static const char * ixl_switch_res_type_strings[IXL_SW_RES_SIZE] = {
3537 		"VEB",
3538 		"VSI",
3539 		"Perfect Match MAC address",
3540 		"S-tag",
3541 		"(Reserved)",
3542 		"Multicast hash entry",
3543 		"Unicast hash entry",
3544 		"VLAN",
3545 		"VSI List entry",
3546 		"(Reserved)",
3547 		"VLAN Statistic Pool",
3548 		"Mirror Rule",
3549 		"Queue Set",
3550 		"Inner VLAN Forward filter",
3551 		"(Reserved)",
3552 		"Inner MAC",
3553 		"IP",
3554 		"GRE/VN1 Key",
3555 		"VN2 Key",
3556 		"Tunneling Port"
3557 	};
3558 
3559 	if (type < IXL_SW_RES_SIZE)
3560 		return ixl_switch_res_type_strings[type];
3561 	else
3562 		return "(Reserved)";
3563 }
3564 
3565 static int
3566 ixl_sysctl_hw_res_alloc(SYSCTL_HANDLER_ARGS)
3567 {
3568 	struct ixl_pf *pf = (struct ixl_pf *)arg1;
3569 	struct i40e_hw *hw = &pf->hw;
3570 	device_t dev = pf->dev;
3571 	struct sbuf *buf;
3572 	enum i40e_status_code status;
3573 	int error = 0;
3574 
3575 	u8 num_entries;
3576 	struct i40e_aqc_switch_resource_alloc_element_resp resp[IXL_SW_RES_SIZE];
3577 
3578 	buf = sbuf_new_for_sysctl(NULL, NULL, 128, req);
3579 	if (!buf) {
3580 		device_printf(dev, "Could not allocate sbuf for output.\n");
3581 		return (ENOMEM);
3582 	}
3583 
3584 	bzero(resp, sizeof(resp));
3585 	status = i40e_aq_get_switch_resource_alloc(hw, &num_entries,
3586 				resp,
3587 				IXL_SW_RES_SIZE,
3588 				NULL);
3589 	if (status) {
3590 		device_printf(dev,
3591 		    "%s: get_switch_resource_alloc() error %s, aq error %s\n",
3592 		    __func__, i40e_stat_str(hw, status),
3593 		    i40e_aq_str(hw, hw->aq.asq_last_status));
3594 		sbuf_delete(buf);
3595 		return (error);
3596 	}
3597 
3598 	/* Sort entries by type for display */
3599 	qsort(resp, num_entries,
3600 	    sizeof(struct i40e_aqc_switch_resource_alloc_element_resp),
3601 	    &ixl_res_alloc_cmp);
3602 
3603 	sbuf_cat(buf, "\n");
3604 	sbuf_printf(buf, "# of entries: %d\n", num_entries);
3605 	sbuf_printf(buf,
3606 	    "                     Type | Guaranteed | Total | Used   | Un-allocated\n"
3607 	    "                          | (this)     | (all) | (this) | (all)       \n");
3608 	for (int i = 0; i < num_entries; i++) {
3609 		sbuf_printf(buf,
3610 		    "%25s | %10d   %5d   %6d   %12d",
3611 		    ixl_switch_res_type_string(resp[i].resource_type),
3612 		    resp[i].guaranteed,
3613 		    resp[i].total,
3614 		    resp[i].used,
3615 		    resp[i].total_unalloced);
3616 		if (i < num_entries - 1)
3617 			sbuf_cat(buf, "\n");
3618 	}
3619 
3620 	error = sbuf_finish(buf);
3621 	if (error)
3622 		device_printf(dev, "Error finishing sbuf: %d\n", error);
3623 
3624 	sbuf_delete(buf);
3625 	return (error);
3626 }
3627 
3628 enum ixl_sw_seid_offset {
3629 	IXL_SW_SEID_EMP = 1,
3630 	IXL_SW_SEID_MAC_START = 2,
3631 	IXL_SW_SEID_MAC_END = 5,
3632 	IXL_SW_SEID_PF_START = 16,
3633 	IXL_SW_SEID_PF_END = 31,
3634 	IXL_SW_SEID_VF_START = 32,
3635 	IXL_SW_SEID_VF_END = 159,
3636 };
3637 
3638 /*
3639  * Caller must init and delete sbuf; this function will clear and
3640  * finish it for caller.
3641  *
3642  * Note: The SEID argument only applies for elements defined by FW at
3643  * power-on; these include the EMP, Ports, PFs and VFs.
3644  */
3645 static char *
3646 ixl_switch_element_string(struct sbuf *s, u8 element_type, u16 seid)
3647 {
3648 	sbuf_clear(s);
3649 
3650 	/* If SEID is in certain ranges, then we can infer the
3651 	 * mapping of SEID to switch element.
3652 	 */
3653 	if (seid == IXL_SW_SEID_EMP) {
3654 		sbuf_cat(s, "EMP");
3655 		goto out;
3656 	} else if (seid >= IXL_SW_SEID_MAC_START &&
3657 	    seid <= IXL_SW_SEID_MAC_END) {
3658 		sbuf_printf(s, "MAC  %2d",
3659 		    seid - IXL_SW_SEID_MAC_START);
3660 		goto out;
3661 	} else if (seid >= IXL_SW_SEID_PF_START &&
3662 	    seid <= IXL_SW_SEID_PF_END) {
3663 		sbuf_printf(s, "PF  %3d",
3664 		    seid - IXL_SW_SEID_PF_START);
3665 		goto out;
3666 	} else if (seid >= IXL_SW_SEID_VF_START &&
3667 	    seid <= IXL_SW_SEID_VF_END) {
3668 		sbuf_printf(s, "VF  %3d",
3669 		    seid - IXL_SW_SEID_VF_START);
3670 		goto out;
3671 	}
3672 
3673 	switch (element_type) {
3674 	case I40E_AQ_SW_ELEM_TYPE_BMC:
3675 		sbuf_cat(s, "BMC");
3676 		break;
3677 	case I40E_AQ_SW_ELEM_TYPE_PV:
3678 		sbuf_cat(s, "PV");
3679 		break;
3680 	case I40E_AQ_SW_ELEM_TYPE_VEB:
3681 		sbuf_cat(s, "VEB");
3682 		break;
3683 	case I40E_AQ_SW_ELEM_TYPE_PA:
3684 		sbuf_cat(s, "PA");
3685 		break;
3686 	case I40E_AQ_SW_ELEM_TYPE_VSI:
3687 		sbuf_printf(s, "VSI");
3688 		break;
3689 	default:
3690 		sbuf_cat(s, "?");
3691 		break;
3692 	}
3693 
3694 out:
3695 	sbuf_finish(s);
3696 	return sbuf_data(s);
3697 }
3698 
3699 static int
3700 ixl_sw_cfg_elem_seid_cmp(const void *a, const void *b)
3701 {
3702 	const struct i40e_aqc_switch_config_element_resp *one, *two;
3703 	one = (const struct i40e_aqc_switch_config_element_resp *)a;
3704 	two = (const struct i40e_aqc_switch_config_element_resp *)b;
3705 
3706 	return ((int)one->seid - (int)two->seid);
3707 }
3708 
3709 static int
3710 ixl_sysctl_switch_config(SYSCTL_HANDLER_ARGS)
3711 {
3712 	struct ixl_pf *pf = (struct ixl_pf *)arg1;
3713 	struct i40e_hw *hw = &pf->hw;
3714 	device_t dev = pf->dev;
3715 	struct sbuf *buf;
3716 	struct sbuf *nmbuf;
3717 	enum i40e_status_code status;
3718 	int error = 0;
3719 	u16 next = 0;
3720 	u8 aq_buf[I40E_AQ_LARGE_BUF];
3721 
3722 	struct i40e_aqc_switch_config_element_resp *elem;
3723 	struct i40e_aqc_get_switch_config_resp *sw_config;
3724 	sw_config = (struct i40e_aqc_get_switch_config_resp *)aq_buf;
3725 
3726 	buf = sbuf_new_for_sysctl(NULL, NULL, 128, req);
3727 	if (!buf) {
3728 		device_printf(dev, "Could not allocate sbuf for sysctl output.\n");
3729 		return (ENOMEM);
3730 	}
3731 
3732 	status = i40e_aq_get_switch_config(hw, sw_config,
3733 	    sizeof(aq_buf), &next, NULL);
3734 	if (status) {
3735 		device_printf(dev,
3736 		    "%s: aq_get_switch_config() error %s, aq error %s\n",
3737 		    __func__, i40e_stat_str(hw, status),
3738 		    i40e_aq_str(hw, hw->aq.asq_last_status));
3739 		sbuf_delete(buf);
3740 		return error;
3741 	}
3742 	if (next)
3743 		device_printf(dev, "%s: TODO: get more config with SEID %d\n",
3744 		    __func__, next);
3745 
3746 	nmbuf = sbuf_new_auto();
3747 	if (!nmbuf) {
3748 		device_printf(dev, "Could not allocate sbuf for name output.\n");
3749 		sbuf_delete(buf);
3750 		return (ENOMEM);
3751 	}
3752 
3753 	/* Sort entries by SEID for display */
3754 	qsort(sw_config->element, sw_config->header.num_reported,
3755 	    sizeof(struct i40e_aqc_switch_config_element_resp),
3756 	    &ixl_sw_cfg_elem_seid_cmp);
3757 
3758 	sbuf_cat(buf, "\n");
3759 	/* Assuming <= 255 elements in switch */
3760 	sbuf_printf(buf, "# of reported elements: %d\n", sw_config->header.num_reported);
3761 	sbuf_printf(buf, "total # of elements: %d\n", sw_config->header.num_total);
3762 	/* Exclude:
3763 	 * Revision -- all elements are revision 1 for now
3764 	 */
3765 	sbuf_printf(buf,
3766 	    "SEID (  Name  ) |  Up  (  Name  ) | Down (  Name  ) | Conn Type\n"
3767 	    "                |                 |                 | (uplink)\n");
3768 	for (int i = 0; i < sw_config->header.num_reported; i++) {
3769 		elem = &sw_config->element[i];
3770 
3771 		// "%4d (%8s) | %8s   %8s   %#8x",
3772 		sbuf_printf(buf, "%4d", elem->seid);
3773 		sbuf_cat(buf, " ");
3774 		sbuf_printf(buf, "(%8s)", ixl_switch_element_string(nmbuf,
3775 		    elem->element_type, elem->seid));
3776 		sbuf_cat(buf, " | ");
3777 		sbuf_printf(buf, "%4d", elem->uplink_seid);
3778 		sbuf_cat(buf, " ");
3779 		sbuf_printf(buf, "(%8s)", ixl_switch_element_string(nmbuf,
3780 		    0, elem->uplink_seid));
3781 		sbuf_cat(buf, " | ");
3782 		sbuf_printf(buf, "%4d", elem->downlink_seid);
3783 		sbuf_cat(buf, " ");
3784 		sbuf_printf(buf, "(%8s)", ixl_switch_element_string(nmbuf,
3785 		    0, elem->downlink_seid));
3786 		sbuf_cat(buf, " | ");
3787 		sbuf_printf(buf, "%8d", elem->connection_type);
3788 		if (i < sw_config->header.num_reported - 1)
3789 			sbuf_cat(buf, "\n");
3790 	}
3791 	sbuf_delete(nmbuf);
3792 
3793 	error = sbuf_finish(buf);
3794 	if (error)
3795 		device_printf(dev, "Error finishing sbuf: %d\n", error);
3796 
3797 	sbuf_delete(buf);
3798 
3799 	return (error);
3800 }
3801 
3802 static int
3803 ixl_sysctl_switch_vlans(SYSCTL_HANDLER_ARGS)
3804 {
3805 	struct ixl_pf *pf = (struct ixl_pf *)arg1;
3806 	struct i40e_hw *hw = &pf->hw;
3807 	device_t dev = pf->dev;
3808 	int requested_vlan = -1;
3809 	enum i40e_status_code status = 0;
3810 	int error = 0;
3811 
3812 	error = sysctl_handle_int(oidp, &requested_vlan, 0, req);
3813 	if ((error) || (req->newptr == NULL))
3814 	    return (error);
3815 
3816 	if ((hw->flags & I40E_HW_FLAG_802_1AD_CAPABLE) == 0) {
3817 		device_printf(dev, "Flags disallow setting of vlans\n");
3818 		return (ENODEV);
3819 	}
3820 
3821 	hw->switch_tag = requested_vlan;
3822 	device_printf(dev,
3823 	    "Setting switch config to switch_tag=%04x, first_tag=%04x, second_tag=%04x\n",
3824 	    hw->switch_tag, hw->first_tag, hw->second_tag);
3825 	status = i40e_aq_set_switch_config(hw, 0, 0, 0, NULL);
3826 	if (status) {
3827 		device_printf(dev,
3828 		    "%s: aq_set_switch_config() error %s, aq error %s\n",
3829 		    __func__, i40e_stat_str(hw, status),
3830 		    i40e_aq_str(hw, hw->aq.asq_last_status));
3831 		return (status);
3832 	}
3833 	return (0);
3834 }
3835 
3836 static int
3837 ixl_sysctl_hkey(SYSCTL_HANDLER_ARGS)
3838 {
3839 	struct ixl_pf *pf = (struct ixl_pf *)arg1;
3840 	struct i40e_hw *hw = &pf->hw;
3841 	device_t dev = pf->dev;
3842 	struct sbuf *buf;
3843 	int error = 0;
3844 	enum i40e_status_code status;
3845 	u32 reg;
3846 
3847 	struct i40e_aqc_get_set_rss_key_data key_data;
3848 
3849 	buf = sbuf_new_for_sysctl(NULL, NULL, 128, req);
3850 	if (!buf) {
3851 		device_printf(dev, "Could not allocate sbuf for output.\n");
3852 		return (ENOMEM);
3853 	}
3854 
3855 	bzero(&key_data, sizeof(key_data));
3856 
3857 	sbuf_cat(buf, "\n");
3858 	if (hw->mac.type == I40E_MAC_X722) {
3859 		status = i40e_aq_get_rss_key(hw, pf->vsi.vsi_num, &key_data);
3860 		if (status)
3861 			device_printf(dev, "i40e_aq_get_rss_key status %s, error %s\n",
3862 			    i40e_stat_str(hw, status), i40e_aq_str(hw, hw->aq.asq_last_status));
3863 	} else {
3864 		for (int i = 0; i < IXL_RSS_KEY_SIZE_REG; i++) {
3865 			reg = i40e_read_rx_ctl(hw, I40E_PFQF_HKEY(i));
3866 			bcopy(&reg, ((caddr_t)&key_data) + (i << 2), 4);
3867 		}
3868 	}
3869 
3870 	ixl_sbuf_print_bytes(buf, (u8 *)&key_data, sizeof(key_data), 0, true);
3871 
3872 	error = sbuf_finish(buf);
3873 	if (error)
3874 		device_printf(dev, "Error finishing sbuf: %d\n", error);
3875 	sbuf_delete(buf);
3876 
3877 	return (error);
3878 }
3879 
3880 static void
3881 ixl_sbuf_print_bytes(struct sbuf *sb, u8 *buf, int length, int label_offset, bool text)
3882 {
3883 	int i, j, k, width;
3884 	char c;
3885 
3886 	if (length < 1 || buf == NULL) return;
3887 
3888 	int byte_stride = 16;
3889 	int lines = length / byte_stride;
3890 	int rem = length % byte_stride;
3891 	if (rem > 0)
3892 		lines++;
3893 
3894 	for (i = 0; i < lines; i++) {
3895 		width = (rem > 0 && i == lines - 1)
3896 		    ? rem : byte_stride;
3897 
3898 		sbuf_printf(sb, "%4d | ", label_offset + i * byte_stride);
3899 
3900 		for (j = 0; j < width; j++)
3901 			sbuf_printf(sb, "%02x ", buf[i * byte_stride + j]);
3902 
3903 		if (width < byte_stride) {
3904 			for (k = 0; k < (byte_stride - width); k++)
3905 				sbuf_printf(sb, "   ");
3906 		}
3907 
3908 		if (!text) {
3909 			sbuf_printf(sb, "\n");
3910 			continue;
3911 		}
3912 
3913 		for (j = 0; j < width; j++) {
3914 			c = (char)buf[i * byte_stride + j];
3915 			if (c < 32 || c > 126)
3916 				sbuf_printf(sb, ".");
3917 			else
3918 				sbuf_printf(sb, "%c", c);
3919 
3920 			if (j == width - 1)
3921 				sbuf_printf(sb, "\n");
3922 		}
3923 	}
3924 }
3925 
3926 static int
3927 ixl_sysctl_hlut(SYSCTL_HANDLER_ARGS)
3928 {
3929 	struct ixl_pf *pf = (struct ixl_pf *)arg1;
3930 	struct i40e_hw *hw = &pf->hw;
3931 	device_t dev = pf->dev;
3932 	struct sbuf *buf;
3933 	int error = 0;
3934 	enum i40e_status_code status;
3935 	u8 hlut[512];
3936 	u32 reg;
3937 
3938 	buf = sbuf_new_for_sysctl(NULL, NULL, 128, req);
3939 	if (!buf) {
3940 		device_printf(dev, "Could not allocate sbuf for output.\n");
3941 		return (ENOMEM);
3942 	}
3943 
3944 	bzero(hlut, sizeof(hlut));
3945 	sbuf_cat(buf, "\n");
3946 	if (hw->mac.type == I40E_MAC_X722) {
3947 		status = i40e_aq_get_rss_lut(hw, pf->vsi.vsi_num, TRUE, hlut, sizeof(hlut));
3948 		if (status)
3949 			device_printf(dev, "i40e_aq_get_rss_lut status %s, error %s\n",
3950 			    i40e_stat_str(hw, status), i40e_aq_str(hw, hw->aq.asq_last_status));
3951 	} else {
3952 		for (int i = 0; i < hw->func_caps.rss_table_size >> 2; i++) {
3953 			reg = rd32(hw, I40E_PFQF_HLUT(i));
3954 			bcopy(&reg, &hlut[i << 2], 4);
3955 		}
3956 	}
3957 	ixl_sbuf_print_bytes(buf, hlut, 512, 0, false);
3958 
3959 	error = sbuf_finish(buf);
3960 	if (error)
3961 		device_printf(dev, "Error finishing sbuf: %d\n", error);
3962 	sbuf_delete(buf);
3963 
3964 	return (error);
3965 }
3966 
3967 static int
3968 ixl_sysctl_hena(SYSCTL_HANDLER_ARGS)
3969 {
3970 	struct ixl_pf *pf = (struct ixl_pf *)arg1;
3971 	struct i40e_hw *hw = &pf->hw;
3972 	u64 hena;
3973 
3974 	hena = (u64)i40e_read_rx_ctl(hw, I40E_PFQF_HENA(0)) |
3975 	    ((u64)i40e_read_rx_ctl(hw, I40E_PFQF_HENA(1)) << 32);
3976 
3977 	return sysctl_handle_long(oidp, NULL, hena, req);
3978 }
3979 
3980 /*
3981  * Sysctl to disable firmware's link management
3982  *
3983  * 1 - Disable link management on this port
3984  * 0 - Re-enable link management
3985  *
3986  * On normal NVMs, firmware manages link by default.
3987  */
3988 static int
3989 ixl_sysctl_fw_link_management(SYSCTL_HANDLER_ARGS)
3990 {
3991 	struct ixl_pf *pf = (struct ixl_pf *)arg1;
3992 	struct i40e_hw *hw = &pf->hw;
3993 	device_t dev = pf->dev;
3994 	int requested_mode = -1;
3995 	enum i40e_status_code status = 0;
3996 	int error = 0;
3997 
3998 	/* Read in new mode */
3999 	error = sysctl_handle_int(oidp, &requested_mode, 0, req);
4000 	if ((error) || (req->newptr == NULL))
4001 		return (error);
4002 	/* Check for sane value */
4003 	if (requested_mode < 0 || requested_mode > 1) {
4004 		device_printf(dev, "Valid modes are 0 or 1\n");
4005 		return (EINVAL);
4006 	}
4007 
4008 	/* Set new mode */
4009 	status = i40e_aq_set_phy_debug(hw, !!(requested_mode) << 4, NULL);
4010 	if (status) {
4011 		device_printf(dev,
4012 		    "%s: Error setting new phy debug mode %s,"
4013 		    " aq error: %s\n", __func__, i40e_stat_str(hw, status),
4014 		    i40e_aq_str(hw, hw->aq.asq_last_status));
4015 		return (EIO);
4016 	}
4017 
4018 	return (0);
4019 }
4020 
4021 /*
4022  * Read some diagnostic data from a (Q)SFP+ module
4023  *
4024  *             SFP A2   QSFP Lower Page
4025  * Temperature 96-97	22-23
4026  * Vcc         98-99    26-27
4027  * TX power    102-103  34-35..40-41
4028  * RX power    104-105  50-51..56-57
4029  */
4030 static int
4031 ixl_sysctl_read_i2c_diag_data(SYSCTL_HANDLER_ARGS)
4032 {
4033 	struct ixl_pf *pf = (struct ixl_pf *)arg1;
4034 	device_t dev = pf->dev;
4035 	struct sbuf *sbuf;
4036 	int error = 0;
4037 	u8 output;
4038 
4039 	if (req->oldptr == NULL) {
4040 		error = SYSCTL_OUT(req, 0, 128);
4041 		return (0);
4042 	}
4043 
4044 	error = pf->read_i2c_byte(pf, 0, 0xA0, &output);
4045 	if (error) {
4046 		device_printf(dev, "Error reading from i2c\n");
4047 		return (error);
4048 	}
4049 
4050 	/* 0x3 for SFP; 0xD/0x11 for QSFP+/QSFP28 */
4051 	if (output == 0x3) {
4052 		/*
4053 		 * Check for:
4054 		 * - Internally calibrated data
4055 		 * - Diagnostic monitoring is implemented
4056 		 */
4057 		pf->read_i2c_byte(pf, 92, 0xA0, &output);
4058 		if (!(output & 0x60)) {
4059 			device_printf(dev, "Module doesn't support diagnostics: %02X\n", output);
4060 			return (0);
4061 		}
4062 
4063 		sbuf = sbuf_new_for_sysctl(NULL, NULL, 128, req);
4064 
4065 		for (u8 offset = 96; offset < 100; offset++) {
4066 			pf->read_i2c_byte(pf, offset, 0xA2, &output);
4067 			sbuf_printf(sbuf, "%02X ", output);
4068 		}
4069 		for (u8 offset = 102; offset < 106; offset++) {
4070 			pf->read_i2c_byte(pf, offset, 0xA2, &output);
4071 			sbuf_printf(sbuf, "%02X ", output);
4072 		}
4073 	} else if (output == 0xD || output == 0x11) {
4074 		/*
4075 		 * QSFP+ modules are always internally calibrated, and must indicate
4076 		 * what types of diagnostic monitoring are implemented
4077 		 */
4078 		sbuf = sbuf_new_for_sysctl(NULL, NULL, 128, req);
4079 
4080 		for (u8 offset = 22; offset < 24; offset++) {
4081 			pf->read_i2c_byte(pf, offset, 0xA0, &output);
4082 			sbuf_printf(sbuf, "%02X ", output);
4083 		}
4084 		for (u8 offset = 26; offset < 28; offset++) {
4085 			pf->read_i2c_byte(pf, offset, 0xA0, &output);
4086 			sbuf_printf(sbuf, "%02X ", output);
4087 		}
4088 		/* Read the data from the first lane */
4089 		for (u8 offset = 34; offset < 36; offset++) {
4090 			pf->read_i2c_byte(pf, offset, 0xA0, &output);
4091 			sbuf_printf(sbuf, "%02X ", output);
4092 		}
4093 		for (u8 offset = 50; offset < 52; offset++) {
4094 			pf->read_i2c_byte(pf, offset, 0xA0, &output);
4095 			sbuf_printf(sbuf, "%02X ", output);
4096 		}
4097 	} else {
4098 		device_printf(dev, "Module is not SFP/SFP+/SFP28/QSFP+ (%02X)\n", output);
4099 		return (0);
4100 	}
4101 
4102 	sbuf_finish(sbuf);
4103 	sbuf_delete(sbuf);
4104 
4105 	return (0);
4106 }
4107 
4108 /*
4109  * Sysctl to read a byte from I2C bus.
4110  *
4111  * Input: 32-bit value:
4112  * 	bits 0-7:   device address (0xA0 or 0xA2)
4113  * 	bits 8-15:  offset (0-255)
4114  *	bits 16-31: unused
4115  * Output: 8-bit value read
4116  */
4117 static int
4118 ixl_sysctl_read_i2c_byte(SYSCTL_HANDLER_ARGS)
4119 {
4120 	struct ixl_pf *pf = (struct ixl_pf *)arg1;
4121 	device_t dev = pf->dev;
4122 	int input = -1, error = 0;
4123 	u8 dev_addr, offset, output;
4124 
4125 	/* Read in I2C read parameters */
4126 	error = sysctl_handle_int(oidp, &input, 0, req);
4127 	if ((error) || (req->newptr == NULL))
4128 		return (error);
4129 	/* Validate device address */
4130 	dev_addr = input & 0xFF;
4131 	if (dev_addr != 0xA0 && dev_addr != 0xA2) {
4132 		return (EINVAL);
4133 	}
4134 	offset = (input >> 8) & 0xFF;
4135 
4136 	error = pf->read_i2c_byte(pf, offset, dev_addr, &output);
4137 	if (error)
4138 		return (error);
4139 
4140 	device_printf(dev, "%02X\n", output);
4141 	return (0);
4142 }
4143 
4144 /*
4145  * Sysctl to write a byte to the I2C bus.
4146  *
4147  * Input: 32-bit value:
4148  * 	bits 0-7:   device address (0xA0 or 0xA2)
4149  * 	bits 8-15:  offset (0-255)
4150  *	bits 16-23: value to write
4151  *	bits 24-31: unused
4152  * Output: 8-bit value written
4153  */
4154 static int
4155 ixl_sysctl_write_i2c_byte(SYSCTL_HANDLER_ARGS)
4156 {
4157 	struct ixl_pf *pf = (struct ixl_pf *)arg1;
4158 	device_t dev = pf->dev;
4159 	int input = -1, error = 0;
4160 	u8 dev_addr, offset, value;
4161 
4162 	/* Read in I2C write parameters */
4163 	error = sysctl_handle_int(oidp, &input, 0, req);
4164 	if ((error) || (req->newptr == NULL))
4165 		return (error);
4166 	/* Validate device address */
4167 	dev_addr = input & 0xFF;
4168 	if (dev_addr != 0xA0 && dev_addr != 0xA2) {
4169 		return (EINVAL);
4170 	}
4171 	offset = (input >> 8) & 0xFF;
4172 	value = (input >> 16) & 0xFF;
4173 
4174 	error = pf->write_i2c_byte(pf, offset, dev_addr, value);
4175 	if (error)
4176 		return (error);
4177 
4178 	device_printf(dev, "%02X written\n", value);
4179 	return (0);
4180 }
4181 
4182 static int
4183 ixl_get_fec_config(struct ixl_pf *pf, struct i40e_aq_get_phy_abilities_resp *abilities,
4184     u8 bit_pos, int *is_set)
4185 {
4186 	device_t dev = pf->dev;
4187 	struct i40e_hw *hw = &pf->hw;
4188 	enum i40e_status_code status;
4189 
4190 	if (IXL_PF_IN_RECOVERY_MODE(pf))
4191 		return (EIO);
4192 
4193 	status = i40e_aq_get_phy_capabilities(hw,
4194 	    FALSE, FALSE, abilities, NULL);
4195 	if (status) {
4196 		device_printf(dev,
4197 		    "%s: i40e_aq_get_phy_capabilities() status %s, aq error %s\n",
4198 		    __func__, i40e_stat_str(hw, status),
4199 		    i40e_aq_str(hw, hw->aq.asq_last_status));
4200 		return (EIO);
4201 	}
4202 
4203 	*is_set = !!(abilities->fec_cfg_curr_mod_ext_info & bit_pos);
4204 	return (0);
4205 }
4206 
4207 static int
4208 ixl_set_fec_config(struct ixl_pf *pf, struct i40e_aq_get_phy_abilities_resp *abilities,
4209     u8 bit_pos, int set)
4210 {
4211 	device_t dev = pf->dev;
4212 	struct i40e_hw *hw = &pf->hw;
4213 	struct i40e_aq_set_phy_config config;
4214 	enum i40e_status_code status;
4215 
4216 	/* Set new PHY config */
4217 	memset(&config, 0, sizeof(config));
4218 	config.fec_config = abilities->fec_cfg_curr_mod_ext_info & ~(bit_pos);
4219 	if (set)
4220 		config.fec_config |= bit_pos;
4221 	if (config.fec_config != abilities->fec_cfg_curr_mod_ext_info) {
4222 		config.abilities |= I40E_AQ_PHY_ENABLE_ATOMIC_LINK;
4223 		config.phy_type = abilities->phy_type;
4224 		config.phy_type_ext = abilities->phy_type_ext;
4225 		config.link_speed = abilities->link_speed;
4226 		config.eee_capability = abilities->eee_capability;
4227 		config.eeer = abilities->eeer_val;
4228 		config.low_power_ctrl = abilities->d3_lpan;
4229 		status = i40e_aq_set_phy_config(hw, &config, NULL);
4230 
4231 		if (status) {
4232 			device_printf(dev,
4233 			    "%s: i40e_aq_set_phy_config() status %s, aq error %s\n",
4234 			    __func__, i40e_stat_str(hw, status),
4235 			    i40e_aq_str(hw, hw->aq.asq_last_status));
4236 			return (EIO);
4237 		}
4238 	}
4239 
4240 	return (0);
4241 }
4242 
4243 static int
4244 ixl_sysctl_fec_fc_ability(SYSCTL_HANDLER_ARGS)
4245 {
4246 	struct ixl_pf *pf = (struct ixl_pf *)arg1;
4247 	int mode, error = 0;
4248 
4249 	struct i40e_aq_get_phy_abilities_resp abilities;
4250 	error = ixl_get_fec_config(pf, &abilities, I40E_AQ_ENABLE_FEC_KR, &mode);
4251 	if (error)
4252 		return (error);
4253 	/* Read in new mode */
4254 	error = sysctl_handle_int(oidp, &mode, 0, req);
4255 	if ((error) || (req->newptr == NULL))
4256 		return (error);
4257 
4258 	return ixl_set_fec_config(pf, &abilities, I40E_AQ_SET_FEC_ABILITY_KR, !!(mode));
4259 }
4260 
4261 static int
4262 ixl_sysctl_fec_rs_ability(SYSCTL_HANDLER_ARGS)
4263 {
4264 	struct ixl_pf *pf = (struct ixl_pf *)arg1;
4265 	int mode, error = 0;
4266 
4267 	struct i40e_aq_get_phy_abilities_resp abilities;
4268 	error = ixl_get_fec_config(pf, &abilities, I40E_AQ_ENABLE_FEC_RS, &mode);
4269 	if (error)
4270 		return (error);
4271 	/* Read in new mode */
4272 	error = sysctl_handle_int(oidp, &mode, 0, req);
4273 	if ((error) || (req->newptr == NULL))
4274 		return (error);
4275 
4276 	return ixl_set_fec_config(pf, &abilities, I40E_AQ_SET_FEC_ABILITY_RS, !!(mode));
4277 }
4278 
4279 static int
4280 ixl_sysctl_fec_fc_request(SYSCTL_HANDLER_ARGS)
4281 {
4282 	struct ixl_pf *pf = (struct ixl_pf *)arg1;
4283 	int mode, error = 0;
4284 
4285 	struct i40e_aq_get_phy_abilities_resp abilities;
4286 	error = ixl_get_fec_config(pf, &abilities, I40E_AQ_REQUEST_FEC_KR, &mode);
4287 	if (error)
4288 		return (error);
4289 	/* Read in new mode */
4290 	error = sysctl_handle_int(oidp, &mode, 0, req);
4291 	if ((error) || (req->newptr == NULL))
4292 		return (error);
4293 
4294 	return ixl_set_fec_config(pf, &abilities, I40E_AQ_SET_FEC_REQUEST_KR, !!(mode));
4295 }
4296 
4297 static int
4298 ixl_sysctl_fec_rs_request(SYSCTL_HANDLER_ARGS)
4299 {
4300 	struct ixl_pf *pf = (struct ixl_pf *)arg1;
4301 	int mode, error = 0;
4302 
4303 	struct i40e_aq_get_phy_abilities_resp abilities;
4304 	error = ixl_get_fec_config(pf, &abilities, I40E_AQ_REQUEST_FEC_RS, &mode);
4305 	if (error)
4306 		return (error);
4307 	/* Read in new mode */
4308 	error = sysctl_handle_int(oidp, &mode, 0, req);
4309 	if ((error) || (req->newptr == NULL))
4310 		return (error);
4311 
4312 	return ixl_set_fec_config(pf, &abilities, I40E_AQ_SET_FEC_REQUEST_RS, !!(mode));
4313 }
4314 
4315 static int
4316 ixl_sysctl_fec_auto_enable(SYSCTL_HANDLER_ARGS)
4317 {
4318 	struct ixl_pf *pf = (struct ixl_pf *)arg1;
4319 	int mode, error = 0;
4320 
4321 	struct i40e_aq_get_phy_abilities_resp abilities;
4322 	error = ixl_get_fec_config(pf, &abilities, I40E_AQ_ENABLE_FEC_AUTO, &mode);
4323 	if (error)
4324 		return (error);
4325 	/* Read in new mode */
4326 	error = sysctl_handle_int(oidp, &mode, 0, req);
4327 	if ((error) || (req->newptr == NULL))
4328 		return (error);
4329 
4330 	return ixl_set_fec_config(pf, &abilities, I40E_AQ_SET_FEC_AUTO, !!(mode));
4331 }
4332 
4333 static int
4334 ixl_sysctl_dump_debug_data(SYSCTL_HANDLER_ARGS)
4335 {
4336 	struct ixl_pf *pf = (struct ixl_pf *)arg1;
4337 	struct i40e_hw *hw = &pf->hw;
4338 	device_t dev = pf->dev;
4339 	struct sbuf *buf;
4340 	int error = 0;
4341 	enum i40e_status_code status;
4342 
4343 	buf = sbuf_new_for_sysctl(NULL, NULL, 128, req);
4344 	if (!buf) {
4345 		device_printf(dev, "Could not allocate sbuf for output.\n");
4346 		return (ENOMEM);
4347 	}
4348 
4349 	u8 *final_buff;
4350 	/* This amount is only necessary if reading the entire cluster into memory */
4351 #define IXL_FINAL_BUFF_SIZE	(1280 * 1024)
4352 	final_buff = malloc(IXL_FINAL_BUFF_SIZE, M_IXL, M_NOWAIT);
4353 	if (final_buff == NULL) {
4354 		device_printf(dev, "Could not allocate memory for output.\n");
4355 		goto out;
4356 	}
4357 	int final_buff_len = 0;
4358 
4359 	u8 cluster_id = 1;
4360 	bool more = true;
4361 
4362 	u8 dump_buf[4096];
4363 	u16 curr_buff_size = 4096;
4364 	u8 curr_next_table = 0;
4365 	u32 curr_next_index = 0;
4366 
4367 	u16 ret_buff_size;
4368 	u8 ret_next_table;
4369 	u32 ret_next_index;
4370 
4371 	sbuf_cat(buf, "\n");
4372 
4373 	while (more) {
4374 		status = i40e_aq_debug_dump(hw, cluster_id, curr_next_table, curr_next_index, curr_buff_size,
4375 		    dump_buf, &ret_buff_size, &ret_next_table, &ret_next_index, NULL);
4376 		if (status) {
4377 			device_printf(dev, "i40e_aq_debug_dump status %s, error %s\n",
4378 			    i40e_stat_str(hw, status), i40e_aq_str(hw, hw->aq.asq_last_status));
4379 			goto free_out;
4380 		}
4381 
4382 		/* copy info out of temp buffer */
4383 		bcopy(dump_buf, (caddr_t)final_buff + final_buff_len, ret_buff_size);
4384 		final_buff_len += ret_buff_size;
4385 
4386 		if (ret_next_table != curr_next_table) {
4387 			/* We're done with the current table; we can dump out read data. */
4388 			sbuf_printf(buf, "%d:", curr_next_table);
4389 			int bytes_printed = 0;
4390 			while (bytes_printed <= final_buff_len) {
4391 				sbuf_printf(buf, "%16D", ((caddr_t)final_buff + bytes_printed), "");
4392 				bytes_printed += 16;
4393 			}
4394 				sbuf_cat(buf, "\n");
4395 
4396 			/* The entire cluster has been read; we're finished */
4397 			if (ret_next_table == 0xFF)
4398 				break;
4399 
4400 			/* Otherwise clear the output buffer and continue reading */
4401 			bzero(final_buff, IXL_FINAL_BUFF_SIZE);
4402 			final_buff_len = 0;
4403 		}
4404 
4405 		if (ret_next_index == 0xFFFFFFFF)
4406 			ret_next_index = 0;
4407 
4408 		bzero(dump_buf, sizeof(dump_buf));
4409 		curr_next_table = ret_next_table;
4410 		curr_next_index = ret_next_index;
4411 	}
4412 
4413 free_out:
4414 	free(final_buff, M_IXL);
4415 out:
4416 	error = sbuf_finish(buf);
4417 	if (error)
4418 		device_printf(dev, "Error finishing sbuf: %d\n", error);
4419 	sbuf_delete(buf);
4420 
4421 	return (error);
4422 }
4423 
4424 static int
4425 ixl_start_fw_lldp(struct ixl_pf *pf)
4426 {
4427 	struct i40e_hw *hw = &pf->hw;
4428 	enum i40e_status_code status;
4429 
4430 	status = i40e_aq_start_lldp(hw, false, NULL);
4431 	if (status != I40E_SUCCESS) {
4432 		switch (hw->aq.asq_last_status) {
4433 		case I40E_AQ_RC_EEXIST:
4434 			device_printf(pf->dev,
4435 			    "FW LLDP agent is already running\n");
4436 			break;
4437 		case I40E_AQ_RC_EPERM:
4438 			device_printf(pf->dev,
4439 			    "Device configuration forbids SW from starting "
4440 			    "the LLDP agent. Set the \"LLDP Agent\" UEFI HII "
4441 			    "attribute to \"Enabled\" to use this sysctl\n");
4442 			return (EINVAL);
4443 		default:
4444 			device_printf(pf->dev,
4445 			    "Starting FW LLDP agent failed: error: %s, %s\n",
4446 			    i40e_stat_str(hw, status),
4447 			    i40e_aq_str(hw, hw->aq.asq_last_status));
4448 			return (EINVAL);
4449 		}
4450 	}
4451 
4452 	atomic_clear_32(&pf->state, IXL_PF_STATE_FW_LLDP_DISABLED);
4453 	return (0);
4454 }
4455 
4456 static int
4457 ixl_stop_fw_lldp(struct ixl_pf *pf)
4458 {
4459 	struct i40e_hw *hw = &pf->hw;
4460 	device_t dev = pf->dev;
4461 	enum i40e_status_code status;
4462 
4463 	if (hw->func_caps.npar_enable != 0) {
4464 		device_printf(dev,
4465 		    "Disabling FW LLDP agent is not supported on this device\n");
4466 		return (EINVAL);
4467 	}
4468 
4469 	if ((hw->flags & I40E_HW_FLAG_FW_LLDP_STOPPABLE) == 0) {
4470 		device_printf(dev,
4471 		    "Disabling FW LLDP agent is not supported in this FW version. Please update FW to enable this feature.\n");
4472 		return (EINVAL);
4473 	}
4474 
4475 	status = i40e_aq_stop_lldp(hw, true, false, NULL);
4476 	if (status != I40E_SUCCESS) {
4477 		if (hw->aq.asq_last_status != I40E_AQ_RC_EPERM) {
4478 			device_printf(dev,
4479 			    "Disabling FW LLDP agent failed: error: %s, %s\n",
4480 			    i40e_stat_str(hw, status),
4481 			    i40e_aq_str(hw, hw->aq.asq_last_status));
4482 			return (EINVAL);
4483 		}
4484 
4485 		device_printf(dev, "FW LLDP agent is already stopped\n");
4486 	}
4487 
4488 	i40e_aq_set_dcb_parameters(hw, true, NULL);
4489 	atomic_set_32(&pf->state, IXL_PF_STATE_FW_LLDP_DISABLED);
4490 	return (0);
4491 }
4492 
4493 static int
4494 ixl_sysctl_fw_lldp(SYSCTL_HANDLER_ARGS)
4495 {
4496 	struct ixl_pf *pf = (struct ixl_pf *)arg1;
4497 	int state, new_state, error = 0;
4498 
4499 	state = new_state = ((pf->state & IXL_PF_STATE_FW_LLDP_DISABLED) == 0);
4500 
4501 	/* Read in new mode */
4502 	error = sysctl_handle_int(oidp, &new_state, 0, req);
4503 	if ((error) || (req->newptr == NULL))
4504 		return (error);
4505 
4506 	/* Already in requested state */
4507 	if (new_state == state)
4508 		return (error);
4509 
4510 	if (new_state == 0)
4511 		return ixl_stop_fw_lldp(pf);
4512 
4513 	return ixl_start_fw_lldp(pf);
4514 }
4515 
4516 static int
4517 ixl_sysctl_eee_enable(SYSCTL_HANDLER_ARGS)
4518 {
4519 	struct ixl_pf         *pf = (struct ixl_pf *)arg1;
4520 	int                   state, new_state;
4521 	int                   sysctl_handle_status = 0;
4522 	enum i40e_status_code cmd_status;
4523 
4524 	/* Init states' values */
4525 	state = new_state = (!!(pf->state & IXL_PF_STATE_EEE_ENABLED));
4526 
4527 	/* Get requested mode */
4528 	sysctl_handle_status = sysctl_handle_int(oidp, &new_state, 0, req);
4529 	if ((sysctl_handle_status) || (req->newptr == NULL))
4530 		return (sysctl_handle_status);
4531 
4532 	/* Check if state has changed */
4533 	if (new_state == state)
4534 		return (0);
4535 
4536 	/* Set new state */
4537 	cmd_status = i40e_enable_eee(&pf->hw, (bool)(!!new_state));
4538 
4539 	/* Save new state or report error */
4540 	if (!cmd_status) {
4541 		if (new_state == 0)
4542 			atomic_clear_32(&pf->state, IXL_PF_STATE_EEE_ENABLED);
4543 		else
4544 			atomic_set_32(&pf->state, IXL_PF_STATE_EEE_ENABLED);
4545 	} else if (cmd_status == I40E_ERR_CONFIG)
4546 		return (EPERM);
4547 	else
4548 		return (EIO);
4549 
4550 	return (0);
4551 }
4552 
4553 static int
4554 ixl_sysctl_set_link_active(SYSCTL_HANDLER_ARGS)
4555 {
4556 	struct ixl_pf *pf = (struct ixl_pf *)arg1;
4557 	int error, state;
4558 
4559 	state = !!(atomic_load_acq_32(&pf->state) &
4560 	    IXL_PF_STATE_LINK_ACTIVE_ON_DOWN);
4561 
4562 	error = sysctl_handle_int(oidp, &state, 0, req);
4563 	if ((error) || (req->newptr == NULL))
4564 		return (error);
4565 
4566 	if (state == 0)
4567 		atomic_clear_32(&pf->state, IXL_PF_STATE_LINK_ACTIVE_ON_DOWN);
4568 	else
4569 		atomic_set_32(&pf->state, IXL_PF_STATE_LINK_ACTIVE_ON_DOWN);
4570 
4571 	return (0);
4572 }
4573 
4574 
4575 int
4576 ixl_attach_get_link_status(struct ixl_pf *pf)
4577 {
4578 	struct i40e_hw *hw = &pf->hw;
4579 	device_t dev = pf->dev;
4580 	int error = 0;
4581 
4582 	if (((hw->aq.fw_maj_ver == 4) && (hw->aq.fw_min_ver < 33)) ||
4583 	    (hw->aq.fw_maj_ver < 4)) {
4584 		i40e_msec_delay(75);
4585 		error = i40e_aq_set_link_restart_an(hw, TRUE, NULL);
4586 		if (error) {
4587 			device_printf(dev, "link restart failed, aq_err=%d\n",
4588 			    pf->hw.aq.asq_last_status);
4589 			return error;
4590 		}
4591 	}
4592 
4593 	/* Determine link state */
4594 	hw->phy.get_link_info = TRUE;
4595 	i40e_get_link_status(hw, &pf->link_up);
4596 
4597 	/* Flow Control mode not set by user, read current FW settings */
4598 	if (pf->fc == -1)
4599 		pf->fc = hw->fc.current_mode;
4600 
4601 	return (0);
4602 }
4603 
4604 static int
4605 ixl_sysctl_do_pf_reset(SYSCTL_HANDLER_ARGS)
4606 {
4607 	struct ixl_pf *pf = (struct ixl_pf *)arg1;
4608 	int requested = 0, error = 0;
4609 
4610 	/* Read in new mode */
4611 	error = sysctl_handle_int(oidp, &requested, 0, req);
4612 	if ((error) || (req->newptr == NULL))
4613 		return (error);
4614 
4615 	/* Initiate the PF reset later in the admin task */
4616 	atomic_set_32(&pf->state, IXL_PF_STATE_PF_RESET_REQ);
4617 
4618 	return (error);
4619 }
4620 
4621 static int
4622 ixl_sysctl_do_core_reset(SYSCTL_HANDLER_ARGS)
4623 {
4624 	struct ixl_pf *pf = (struct ixl_pf *)arg1;
4625 	struct i40e_hw *hw = &pf->hw;
4626 	int requested = 0, error = 0;
4627 
4628 	/* Read in new mode */
4629 	error = sysctl_handle_int(oidp, &requested, 0, req);
4630 	if ((error) || (req->newptr == NULL))
4631 		return (error);
4632 
4633 	wr32(hw, I40E_GLGEN_RTRIG, I40E_GLGEN_RTRIG_CORER_MASK);
4634 
4635 	return (error);
4636 }
4637 
4638 static int
4639 ixl_sysctl_do_global_reset(SYSCTL_HANDLER_ARGS)
4640 {
4641 	struct ixl_pf *pf = (struct ixl_pf *)arg1;
4642 	struct i40e_hw *hw = &pf->hw;
4643 	int requested = 0, error = 0;
4644 
4645 	/* Read in new mode */
4646 	error = sysctl_handle_int(oidp, &requested, 0, req);
4647 	if ((error) || (req->newptr == NULL))
4648 		return (error);
4649 
4650 	wr32(hw, I40E_GLGEN_RTRIG, I40E_GLGEN_RTRIG_GLOBR_MASK);
4651 
4652 	return (error);
4653 }
4654 
4655 /*
4656  * Print out mapping of TX queue indexes and Rx queue indexes
4657  * to MSI-X vectors.
4658  */
4659 static int
4660 ixl_sysctl_queue_interrupt_table(SYSCTL_HANDLER_ARGS)
4661 {
4662 	struct ixl_pf *pf = (struct ixl_pf *)arg1;
4663 	struct ixl_vsi *vsi = &pf->vsi;
4664 	device_t dev = pf->dev;
4665 	struct sbuf *buf;
4666 	int error = 0;
4667 
4668 	struct ixl_rx_queue *rx_que = vsi->rx_queues;
4669 	struct ixl_tx_queue *tx_que = vsi->tx_queues;
4670 
4671 	buf = sbuf_new_for_sysctl(NULL, NULL, 128, req);
4672 	if (!buf) {
4673 		device_printf(dev, "Could not allocate sbuf for output.\n");
4674 		return (ENOMEM);
4675 	}
4676 
4677 	sbuf_cat(buf, "\n");
4678 	for (int i = 0; i < vsi->num_rx_queues; i++) {
4679 		rx_que = &vsi->rx_queues[i];
4680 		sbuf_printf(buf, "(rxq %3d): %d\n", i, rx_que->msix);
4681 	}
4682 	for (int i = 0; i < vsi->num_tx_queues; i++) {
4683 		tx_que = &vsi->tx_queues[i];
4684 		sbuf_printf(buf, "(txq %3d): %d\n", i, tx_que->msix);
4685 	}
4686 
4687 	error = sbuf_finish(buf);
4688 	if (error)
4689 		device_printf(dev, "Error finishing sbuf: %d\n", error);
4690 	sbuf_delete(buf);
4691 
4692 	return (error);
4693 }
4694