1/****************************************************************************
2 * Driver for Solarflare network controllers and boards
3 * Copyright 2009-2013 Solarflare Communications Inc.
4 *
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 as published
7 * by the Free Software Foundation, incorporated herein by reference.
8 */
9
10/*
11 * Driver for PHY related operations via MCDI.
12 */
13
14#include <linux/slab.h>
15#include "efx.h"
16#include "phy.h"
17#include "mcdi.h"
18#include "mcdi_pcol.h"
19#include "nic.h"
20#include "selftest.h"
21
22struct efx_mcdi_phy_data {
23	u32 flags;
24	u32 type;
25	u32 supported_cap;
26	u32 channel;
27	u32 port;
28	u32 stats_mask;
29	u8 name[20];
30	u32 media;
31	u32 mmd_mask;
32	u8 revision[20];
33	u32 forced_cap;
34};
35
36static int
37efx_mcdi_get_phy_cfg(struct efx_nic *efx, struct efx_mcdi_phy_data *cfg)
38{
39	MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_PHY_CFG_OUT_LEN);
40	size_t outlen;
41	int rc;
42
43	BUILD_BUG_ON(MC_CMD_GET_PHY_CFG_IN_LEN != 0);
44	BUILD_BUG_ON(MC_CMD_GET_PHY_CFG_OUT_NAME_LEN != sizeof(cfg->name));
45
46	rc = efx_mcdi_rpc(efx, MC_CMD_GET_PHY_CFG, NULL, 0,
47			  outbuf, sizeof(outbuf), &outlen);
48	if (rc)
49		goto fail;
50
51	if (outlen < MC_CMD_GET_PHY_CFG_OUT_LEN) {
52		rc = -EIO;
53		goto fail;
54	}
55
56	cfg->flags = MCDI_DWORD(outbuf, GET_PHY_CFG_OUT_FLAGS);
57	cfg->type = MCDI_DWORD(outbuf, GET_PHY_CFG_OUT_TYPE);
58	cfg->supported_cap =
59		MCDI_DWORD(outbuf, GET_PHY_CFG_OUT_SUPPORTED_CAP);
60	cfg->channel = MCDI_DWORD(outbuf, GET_PHY_CFG_OUT_CHANNEL);
61	cfg->port = MCDI_DWORD(outbuf, GET_PHY_CFG_OUT_PRT);
62	cfg->stats_mask = MCDI_DWORD(outbuf, GET_PHY_CFG_OUT_STATS_MASK);
63	memcpy(cfg->name, MCDI_PTR(outbuf, GET_PHY_CFG_OUT_NAME),
64	       sizeof(cfg->name));
65	cfg->media = MCDI_DWORD(outbuf, GET_PHY_CFG_OUT_MEDIA_TYPE);
66	cfg->mmd_mask = MCDI_DWORD(outbuf, GET_PHY_CFG_OUT_MMD_MASK);
67	memcpy(cfg->revision, MCDI_PTR(outbuf, GET_PHY_CFG_OUT_REVISION),
68	       sizeof(cfg->revision));
69
70	return 0;
71
72fail:
73	netif_err(efx, hw, efx->net_dev, "%s: failed rc=%d\n", __func__, rc);
74	return rc;
75}
76
77static int efx_mcdi_set_link(struct efx_nic *efx, u32 capabilities,
78			     u32 flags, u32 loopback_mode,
79			     u32 loopback_speed)
80{
81	MCDI_DECLARE_BUF(inbuf, MC_CMD_SET_LINK_IN_LEN);
82	int rc;
83
84	BUILD_BUG_ON(MC_CMD_SET_LINK_OUT_LEN != 0);
85
86	MCDI_SET_DWORD(inbuf, SET_LINK_IN_CAP, capabilities);
87	MCDI_SET_DWORD(inbuf, SET_LINK_IN_FLAGS, flags);
88	MCDI_SET_DWORD(inbuf, SET_LINK_IN_LOOPBACK_MODE, loopback_mode);
89	MCDI_SET_DWORD(inbuf, SET_LINK_IN_LOOPBACK_SPEED, loopback_speed);
90
91	rc = efx_mcdi_rpc(efx, MC_CMD_SET_LINK, inbuf, sizeof(inbuf),
92			  NULL, 0, NULL);
93	return rc;
94}
95
96static int efx_mcdi_loopback_modes(struct efx_nic *efx, u64 *loopback_modes)
97{
98	MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_LOOPBACK_MODES_OUT_LEN);
99	size_t outlen;
100	int rc;
101
102	rc = efx_mcdi_rpc(efx, MC_CMD_GET_LOOPBACK_MODES, NULL, 0,
103			  outbuf, sizeof(outbuf), &outlen);
104	if (rc)
105		goto fail;
106
107	if (outlen < (MC_CMD_GET_LOOPBACK_MODES_OUT_SUGGESTED_OFST +
108		      MC_CMD_GET_LOOPBACK_MODES_OUT_SUGGESTED_LEN)) {
109		rc = -EIO;
110		goto fail;
111	}
112
113	*loopback_modes = MCDI_QWORD(outbuf, GET_LOOPBACK_MODES_OUT_SUGGESTED);
114
115	return 0;
116
117fail:
118	netif_err(efx, hw, efx->net_dev, "%s: failed rc=%d\n", __func__, rc);
119	return rc;
120}
121
122static int efx_mcdi_mdio_read(struct net_device *net_dev,
123			      int prtad, int devad, u16 addr)
124{
125	struct efx_nic *efx = netdev_priv(net_dev);
126	MCDI_DECLARE_BUF(inbuf, MC_CMD_MDIO_READ_IN_LEN);
127	MCDI_DECLARE_BUF(outbuf, MC_CMD_MDIO_READ_OUT_LEN);
128	size_t outlen;
129	int rc;
130
131	MCDI_SET_DWORD(inbuf, MDIO_READ_IN_BUS, efx->mdio_bus);
132	MCDI_SET_DWORD(inbuf, MDIO_READ_IN_PRTAD, prtad);
133	MCDI_SET_DWORD(inbuf, MDIO_READ_IN_DEVAD, devad);
134	MCDI_SET_DWORD(inbuf, MDIO_READ_IN_ADDR, addr);
135
136	rc = efx_mcdi_rpc(efx, MC_CMD_MDIO_READ, inbuf, sizeof(inbuf),
137			  outbuf, sizeof(outbuf), &outlen);
138	if (rc)
139		return rc;
140
141	if (MCDI_DWORD(outbuf, MDIO_READ_OUT_STATUS) !=
142	    MC_CMD_MDIO_STATUS_GOOD)
143		return -EIO;
144
145	return (u16)MCDI_DWORD(outbuf, MDIO_READ_OUT_VALUE);
146}
147
148static int efx_mcdi_mdio_write(struct net_device *net_dev,
149			       int prtad, int devad, u16 addr, u16 value)
150{
151	struct efx_nic *efx = netdev_priv(net_dev);
152	MCDI_DECLARE_BUF(inbuf, MC_CMD_MDIO_WRITE_IN_LEN);
153	MCDI_DECLARE_BUF(outbuf, MC_CMD_MDIO_WRITE_OUT_LEN);
154	size_t outlen;
155	int rc;
156
157	MCDI_SET_DWORD(inbuf, MDIO_WRITE_IN_BUS, efx->mdio_bus);
158	MCDI_SET_DWORD(inbuf, MDIO_WRITE_IN_PRTAD, prtad);
159	MCDI_SET_DWORD(inbuf, MDIO_WRITE_IN_DEVAD, devad);
160	MCDI_SET_DWORD(inbuf, MDIO_WRITE_IN_ADDR, addr);
161	MCDI_SET_DWORD(inbuf, MDIO_WRITE_IN_VALUE, value);
162
163	rc = efx_mcdi_rpc(efx, MC_CMD_MDIO_WRITE, inbuf, sizeof(inbuf),
164			  outbuf, sizeof(outbuf), &outlen);
165	if (rc)
166		return rc;
167
168	if (MCDI_DWORD(outbuf, MDIO_WRITE_OUT_STATUS) !=
169	    MC_CMD_MDIO_STATUS_GOOD)
170		return -EIO;
171
172	return 0;
173}
174
175static u32 mcdi_to_ethtool_cap(u32 media, u32 cap)
176{
177	u32 result = 0;
178
179	switch (media) {
180	case MC_CMD_MEDIA_KX4:
181		result |= SUPPORTED_Backplane;
182		if (cap & (1 << MC_CMD_PHY_CAP_1000FDX_LBN))
183			result |= SUPPORTED_1000baseKX_Full;
184		if (cap & (1 << MC_CMD_PHY_CAP_10000FDX_LBN))
185			result |= SUPPORTED_10000baseKX4_Full;
186		if (cap & (1 << MC_CMD_PHY_CAP_40000FDX_LBN))
187			result |= SUPPORTED_40000baseKR4_Full;
188		break;
189
190	case MC_CMD_MEDIA_XFP:
191	case MC_CMD_MEDIA_SFP_PLUS:
192		result |= SUPPORTED_FIBRE;
193		break;
194
195	case MC_CMD_MEDIA_QSFP_PLUS:
196		result |= SUPPORTED_FIBRE;
197		if (cap & (1 << MC_CMD_PHY_CAP_40000FDX_LBN))
198			result |= SUPPORTED_40000baseCR4_Full;
199		break;
200
201	case MC_CMD_MEDIA_BASE_T:
202		result |= SUPPORTED_TP;
203		if (cap & (1 << MC_CMD_PHY_CAP_10HDX_LBN))
204			result |= SUPPORTED_10baseT_Half;
205		if (cap & (1 << MC_CMD_PHY_CAP_10FDX_LBN))
206			result |= SUPPORTED_10baseT_Full;
207		if (cap & (1 << MC_CMD_PHY_CAP_100HDX_LBN))
208			result |= SUPPORTED_100baseT_Half;
209		if (cap & (1 << MC_CMD_PHY_CAP_100FDX_LBN))
210			result |= SUPPORTED_100baseT_Full;
211		if (cap & (1 << MC_CMD_PHY_CAP_1000HDX_LBN))
212			result |= SUPPORTED_1000baseT_Half;
213		if (cap & (1 << MC_CMD_PHY_CAP_1000FDX_LBN))
214			result |= SUPPORTED_1000baseT_Full;
215		if (cap & (1 << MC_CMD_PHY_CAP_10000FDX_LBN))
216			result |= SUPPORTED_10000baseT_Full;
217		break;
218	}
219
220	if (cap & (1 << MC_CMD_PHY_CAP_PAUSE_LBN))
221		result |= SUPPORTED_Pause;
222	if (cap & (1 << MC_CMD_PHY_CAP_ASYM_LBN))
223		result |= SUPPORTED_Asym_Pause;
224	if (cap & (1 << MC_CMD_PHY_CAP_AN_LBN))
225		result |= SUPPORTED_Autoneg;
226
227	return result;
228}
229
230static u32 ethtool_to_mcdi_cap(u32 cap)
231{
232	u32 result = 0;
233
234	if (cap & SUPPORTED_10baseT_Half)
235		result |= (1 << MC_CMD_PHY_CAP_10HDX_LBN);
236	if (cap & SUPPORTED_10baseT_Full)
237		result |= (1 << MC_CMD_PHY_CAP_10FDX_LBN);
238	if (cap & SUPPORTED_100baseT_Half)
239		result |= (1 << MC_CMD_PHY_CAP_100HDX_LBN);
240	if (cap & SUPPORTED_100baseT_Full)
241		result |= (1 << MC_CMD_PHY_CAP_100FDX_LBN);
242	if (cap & SUPPORTED_1000baseT_Half)
243		result |= (1 << MC_CMD_PHY_CAP_1000HDX_LBN);
244	if (cap & (SUPPORTED_1000baseT_Full | SUPPORTED_1000baseKX_Full))
245		result |= (1 << MC_CMD_PHY_CAP_1000FDX_LBN);
246	if (cap & (SUPPORTED_10000baseT_Full | SUPPORTED_10000baseKX4_Full))
247		result |= (1 << MC_CMD_PHY_CAP_10000FDX_LBN);
248	if (cap & (SUPPORTED_40000baseCR4_Full | SUPPORTED_40000baseKR4_Full))
249		result |= (1 << MC_CMD_PHY_CAP_40000FDX_LBN);
250	if (cap & SUPPORTED_Pause)
251		result |= (1 << MC_CMD_PHY_CAP_PAUSE_LBN);
252	if (cap & SUPPORTED_Asym_Pause)
253		result |= (1 << MC_CMD_PHY_CAP_ASYM_LBN);
254	if (cap & SUPPORTED_Autoneg)
255		result |= (1 << MC_CMD_PHY_CAP_AN_LBN);
256
257	return result;
258}
259
260static u32 efx_get_mcdi_phy_flags(struct efx_nic *efx)
261{
262	struct efx_mcdi_phy_data *phy_cfg = efx->phy_data;
263	enum efx_phy_mode mode, supported;
264	u32 flags;
265
266	/* TODO: Advertise the capabilities supported by this PHY */
267	supported = 0;
268	if (phy_cfg->flags & (1 << MC_CMD_GET_PHY_CFG_OUT_TXDIS_LBN))
269		supported |= PHY_MODE_TX_DISABLED;
270	if (phy_cfg->flags & (1 << MC_CMD_GET_PHY_CFG_OUT_LOWPOWER_LBN))
271		supported |= PHY_MODE_LOW_POWER;
272	if (phy_cfg->flags & (1 << MC_CMD_GET_PHY_CFG_OUT_POWEROFF_LBN))
273		supported |= PHY_MODE_OFF;
274
275	mode = efx->phy_mode & supported;
276
277	flags = 0;
278	if (mode & PHY_MODE_TX_DISABLED)
279		flags |= (1 << MC_CMD_SET_LINK_IN_TXDIS_LBN);
280	if (mode & PHY_MODE_LOW_POWER)
281		flags |= (1 << MC_CMD_SET_LINK_IN_LOWPOWER_LBN);
282	if (mode & PHY_MODE_OFF)
283		flags |= (1 << MC_CMD_SET_LINK_IN_POWEROFF_LBN);
284
285	return flags;
286}
287
288static u32 mcdi_to_ethtool_media(u32 media)
289{
290	switch (media) {
291	case MC_CMD_MEDIA_XAUI:
292	case MC_CMD_MEDIA_CX4:
293	case MC_CMD_MEDIA_KX4:
294		return PORT_OTHER;
295
296	case MC_CMD_MEDIA_XFP:
297	case MC_CMD_MEDIA_SFP_PLUS:
298	case MC_CMD_MEDIA_QSFP_PLUS:
299		return PORT_FIBRE;
300
301	case MC_CMD_MEDIA_BASE_T:
302		return PORT_TP;
303
304	default:
305		return PORT_OTHER;
306	}
307}
308
309static void efx_mcdi_phy_decode_link(struct efx_nic *efx,
310			      struct efx_link_state *link_state,
311			      u32 speed, u32 flags, u32 fcntl)
312{
313	switch (fcntl) {
314	case MC_CMD_FCNTL_AUTO:
315		WARN_ON(1);	/* This is not a link mode */
316		link_state->fc = EFX_FC_AUTO | EFX_FC_TX | EFX_FC_RX;
317		break;
318	case MC_CMD_FCNTL_BIDIR:
319		link_state->fc = EFX_FC_TX | EFX_FC_RX;
320		break;
321	case MC_CMD_FCNTL_RESPOND:
322		link_state->fc = EFX_FC_RX;
323		break;
324	default:
325		WARN_ON(1);
326	case MC_CMD_FCNTL_OFF:
327		link_state->fc = 0;
328		break;
329	}
330
331	link_state->up = !!(flags & (1 << MC_CMD_GET_LINK_OUT_LINK_UP_LBN));
332	link_state->fd = !!(flags & (1 << MC_CMD_GET_LINK_OUT_FULL_DUPLEX_LBN));
333	link_state->speed = speed;
334}
335
336static int efx_mcdi_phy_probe(struct efx_nic *efx)
337{
338	struct efx_mcdi_phy_data *phy_data;
339	MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_LINK_OUT_LEN);
340	u32 caps;
341	int rc;
342
343	/* Initialise and populate phy_data */
344	phy_data = kzalloc(sizeof(*phy_data), GFP_KERNEL);
345	if (phy_data == NULL)
346		return -ENOMEM;
347
348	rc = efx_mcdi_get_phy_cfg(efx, phy_data);
349	if (rc != 0)
350		goto fail;
351
352	/* Read initial link advertisement */
353	BUILD_BUG_ON(MC_CMD_GET_LINK_IN_LEN != 0);
354	rc = efx_mcdi_rpc(efx, MC_CMD_GET_LINK, NULL, 0,
355			  outbuf, sizeof(outbuf), NULL);
356	if (rc)
357		goto fail;
358
359	/* Fill out nic state */
360	efx->phy_data = phy_data;
361	efx->phy_type = phy_data->type;
362
363	efx->mdio_bus = phy_data->channel;
364	efx->mdio.prtad = phy_data->port;
365	efx->mdio.mmds = phy_data->mmd_mask & ~(1 << MC_CMD_MMD_CLAUSE22);
366	efx->mdio.mode_support = 0;
367	if (phy_data->mmd_mask & (1 << MC_CMD_MMD_CLAUSE22))
368		efx->mdio.mode_support |= MDIO_SUPPORTS_C22;
369	if (phy_data->mmd_mask & ~(1 << MC_CMD_MMD_CLAUSE22))
370		efx->mdio.mode_support |= MDIO_SUPPORTS_C45 | MDIO_EMULATE_C22;
371
372	caps = MCDI_DWORD(outbuf, GET_LINK_OUT_CAP);
373	if (caps & (1 << MC_CMD_PHY_CAP_AN_LBN))
374		efx->link_advertising =
375			mcdi_to_ethtool_cap(phy_data->media, caps);
376	else
377		phy_data->forced_cap = caps;
378
379	/* Assert that we can map efx -> mcdi loopback modes */
380	BUILD_BUG_ON(LOOPBACK_NONE != MC_CMD_LOOPBACK_NONE);
381	BUILD_BUG_ON(LOOPBACK_DATA != MC_CMD_LOOPBACK_DATA);
382	BUILD_BUG_ON(LOOPBACK_GMAC != MC_CMD_LOOPBACK_GMAC);
383	BUILD_BUG_ON(LOOPBACK_XGMII != MC_CMD_LOOPBACK_XGMII);
384	BUILD_BUG_ON(LOOPBACK_XGXS != MC_CMD_LOOPBACK_XGXS);
385	BUILD_BUG_ON(LOOPBACK_XAUI != MC_CMD_LOOPBACK_XAUI);
386	BUILD_BUG_ON(LOOPBACK_GMII != MC_CMD_LOOPBACK_GMII);
387	BUILD_BUG_ON(LOOPBACK_SGMII != MC_CMD_LOOPBACK_SGMII);
388	BUILD_BUG_ON(LOOPBACK_XGBR != MC_CMD_LOOPBACK_XGBR);
389	BUILD_BUG_ON(LOOPBACK_XFI != MC_CMD_LOOPBACK_XFI);
390	BUILD_BUG_ON(LOOPBACK_XAUI_FAR != MC_CMD_LOOPBACK_XAUI_FAR);
391	BUILD_BUG_ON(LOOPBACK_GMII_FAR != MC_CMD_LOOPBACK_GMII_FAR);
392	BUILD_BUG_ON(LOOPBACK_SGMII_FAR != MC_CMD_LOOPBACK_SGMII_FAR);
393	BUILD_BUG_ON(LOOPBACK_XFI_FAR != MC_CMD_LOOPBACK_XFI_FAR);
394	BUILD_BUG_ON(LOOPBACK_GPHY != MC_CMD_LOOPBACK_GPHY);
395	BUILD_BUG_ON(LOOPBACK_PHYXS != MC_CMD_LOOPBACK_PHYXS);
396	BUILD_BUG_ON(LOOPBACK_PCS != MC_CMD_LOOPBACK_PCS);
397	BUILD_BUG_ON(LOOPBACK_PMAPMD != MC_CMD_LOOPBACK_PMAPMD);
398	BUILD_BUG_ON(LOOPBACK_XPORT != MC_CMD_LOOPBACK_XPORT);
399	BUILD_BUG_ON(LOOPBACK_XGMII_WS != MC_CMD_LOOPBACK_XGMII_WS);
400	BUILD_BUG_ON(LOOPBACK_XAUI_WS != MC_CMD_LOOPBACK_XAUI_WS);
401	BUILD_BUG_ON(LOOPBACK_XAUI_WS_FAR != MC_CMD_LOOPBACK_XAUI_WS_FAR);
402	BUILD_BUG_ON(LOOPBACK_XAUI_WS_NEAR != MC_CMD_LOOPBACK_XAUI_WS_NEAR);
403	BUILD_BUG_ON(LOOPBACK_GMII_WS != MC_CMD_LOOPBACK_GMII_WS);
404	BUILD_BUG_ON(LOOPBACK_XFI_WS != MC_CMD_LOOPBACK_XFI_WS);
405	BUILD_BUG_ON(LOOPBACK_XFI_WS_FAR != MC_CMD_LOOPBACK_XFI_WS_FAR);
406	BUILD_BUG_ON(LOOPBACK_PHYXS_WS != MC_CMD_LOOPBACK_PHYXS_WS);
407
408	rc = efx_mcdi_loopback_modes(efx, &efx->loopback_modes);
409	if (rc != 0)
410		goto fail;
411	/* The MC indicates that LOOPBACK_NONE is a valid loopback mode,
412	 * but by convention we don't */
413	efx->loopback_modes &= ~(1 << LOOPBACK_NONE);
414
415	/* Set the initial link mode */
416	efx_mcdi_phy_decode_link(
417		efx, &efx->link_state,
418		MCDI_DWORD(outbuf, GET_LINK_OUT_LINK_SPEED),
419		MCDI_DWORD(outbuf, GET_LINK_OUT_FLAGS),
420		MCDI_DWORD(outbuf, GET_LINK_OUT_FCNTL));
421
422	/* Default to Autonegotiated flow control if the PHY supports it */
423	efx->wanted_fc = EFX_FC_RX | EFX_FC_TX;
424	if (phy_data->supported_cap & (1 << MC_CMD_PHY_CAP_AN_LBN))
425		efx->wanted_fc |= EFX_FC_AUTO;
426	efx_link_set_wanted_fc(efx, efx->wanted_fc);
427
428	return 0;
429
430fail:
431	kfree(phy_data);
432	return rc;
433}
434
435int efx_mcdi_port_reconfigure(struct efx_nic *efx)
436{
437	struct efx_mcdi_phy_data *phy_cfg = efx->phy_data;
438	u32 caps = (efx->link_advertising ?
439		    ethtool_to_mcdi_cap(efx->link_advertising) :
440		    phy_cfg->forced_cap);
441
442	return efx_mcdi_set_link(efx, caps, efx_get_mcdi_phy_flags(efx),
443				 efx->loopback_mode, 0);
444}
445
446/* Verify that the forced flow control settings (!EFX_FC_AUTO) are
447 * supported by the link partner. Warn the user if this isn't the case
448 */
449static void efx_mcdi_phy_check_fcntl(struct efx_nic *efx, u32 lpa)
450{
451	struct efx_mcdi_phy_data *phy_cfg = efx->phy_data;
452	u32 rmtadv;
453
454	/* The link partner capabilities are only relevant if the
455	 * link supports flow control autonegotiation */
456	if (~phy_cfg->supported_cap & (1 << MC_CMD_PHY_CAP_AN_LBN))
457		return;
458
459	/* If flow control autoneg is supported and enabled, then fine */
460	if (efx->wanted_fc & EFX_FC_AUTO)
461		return;
462
463	rmtadv = 0;
464	if (lpa & (1 << MC_CMD_PHY_CAP_PAUSE_LBN))
465		rmtadv |= ADVERTISED_Pause;
466	if (lpa & (1 << MC_CMD_PHY_CAP_ASYM_LBN))
467		rmtadv |=  ADVERTISED_Asym_Pause;
468
469	if ((efx->wanted_fc & EFX_FC_TX) && rmtadv == ADVERTISED_Asym_Pause)
470		netif_err(efx, link, efx->net_dev,
471			  "warning: link partner doesn't support pause frames");
472}
473
474static bool efx_mcdi_phy_poll(struct efx_nic *efx)
475{
476	struct efx_link_state old_state = efx->link_state;
477	MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_LINK_OUT_LEN);
478	int rc;
479
480	WARN_ON(!mutex_is_locked(&efx->mac_lock));
481
482	BUILD_BUG_ON(MC_CMD_GET_LINK_IN_LEN != 0);
483
484	rc = efx_mcdi_rpc(efx, MC_CMD_GET_LINK, NULL, 0,
485			  outbuf, sizeof(outbuf), NULL);
486	if (rc)
487		efx->link_state.up = false;
488	else
489		efx_mcdi_phy_decode_link(
490			efx, &efx->link_state,
491			MCDI_DWORD(outbuf, GET_LINK_OUT_LINK_SPEED),
492			MCDI_DWORD(outbuf, GET_LINK_OUT_FLAGS),
493			MCDI_DWORD(outbuf, GET_LINK_OUT_FCNTL));
494
495	return !efx_link_state_equal(&efx->link_state, &old_state);
496}
497
498static void efx_mcdi_phy_remove(struct efx_nic *efx)
499{
500	struct efx_mcdi_phy_data *phy_data = efx->phy_data;
501
502	efx->phy_data = NULL;
503	kfree(phy_data);
504}
505
506static void efx_mcdi_phy_get_settings(struct efx_nic *efx, struct ethtool_cmd *ecmd)
507{
508	struct efx_mcdi_phy_data *phy_cfg = efx->phy_data;
509	MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_LINK_OUT_LEN);
510	int rc;
511
512	ecmd->supported =
513		mcdi_to_ethtool_cap(phy_cfg->media, phy_cfg->supported_cap);
514	ecmd->advertising = efx->link_advertising;
515	ethtool_cmd_speed_set(ecmd, efx->link_state.speed);
516	ecmd->duplex = efx->link_state.fd;
517	ecmd->port = mcdi_to_ethtool_media(phy_cfg->media);
518	ecmd->phy_address = phy_cfg->port;
519	ecmd->transceiver = XCVR_INTERNAL;
520	ecmd->autoneg = !!(efx->link_advertising & ADVERTISED_Autoneg);
521	ecmd->mdio_support = (efx->mdio.mode_support &
522			      (MDIO_SUPPORTS_C45 | MDIO_SUPPORTS_C22));
523
524	BUILD_BUG_ON(MC_CMD_GET_LINK_IN_LEN != 0);
525	rc = efx_mcdi_rpc(efx, MC_CMD_GET_LINK, NULL, 0,
526			  outbuf, sizeof(outbuf), NULL);
527	if (rc)
528		return;
529	ecmd->lp_advertising =
530		mcdi_to_ethtool_cap(phy_cfg->media,
531				    MCDI_DWORD(outbuf, GET_LINK_OUT_LP_CAP));
532}
533
534static int efx_mcdi_phy_set_settings(struct efx_nic *efx, struct ethtool_cmd *ecmd)
535{
536	struct efx_mcdi_phy_data *phy_cfg = efx->phy_data;
537	u32 caps;
538	int rc;
539
540	if (ecmd->autoneg) {
541		caps = (ethtool_to_mcdi_cap(ecmd->advertising) |
542			 1 << MC_CMD_PHY_CAP_AN_LBN);
543	} else if (ecmd->duplex) {
544		switch (ethtool_cmd_speed(ecmd)) {
545		case 10:    caps = 1 << MC_CMD_PHY_CAP_10FDX_LBN;    break;
546		case 100:   caps = 1 << MC_CMD_PHY_CAP_100FDX_LBN;   break;
547		case 1000:  caps = 1 << MC_CMD_PHY_CAP_1000FDX_LBN;  break;
548		case 10000: caps = 1 << MC_CMD_PHY_CAP_10000FDX_LBN; break;
549		case 40000: caps = 1 << MC_CMD_PHY_CAP_40000FDX_LBN; break;
550		default:    return -EINVAL;
551		}
552	} else {
553		switch (ethtool_cmd_speed(ecmd)) {
554		case 10:    caps = 1 << MC_CMD_PHY_CAP_10HDX_LBN;    break;
555		case 100:   caps = 1 << MC_CMD_PHY_CAP_100HDX_LBN;   break;
556		case 1000:  caps = 1 << MC_CMD_PHY_CAP_1000HDX_LBN;  break;
557		default:    return -EINVAL;
558		}
559	}
560
561	rc = efx_mcdi_set_link(efx, caps, efx_get_mcdi_phy_flags(efx),
562			       efx->loopback_mode, 0);
563	if (rc)
564		return rc;
565
566	if (ecmd->autoneg) {
567		efx_link_set_advertising(
568			efx, ecmd->advertising | ADVERTISED_Autoneg);
569		phy_cfg->forced_cap = 0;
570	} else {
571		efx_link_set_advertising(efx, 0);
572		phy_cfg->forced_cap = caps;
573	}
574	return 0;
575}
576
577static int efx_mcdi_phy_test_alive(struct efx_nic *efx)
578{
579	MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_PHY_STATE_OUT_LEN);
580	size_t outlen;
581	int rc;
582
583	BUILD_BUG_ON(MC_CMD_GET_PHY_STATE_IN_LEN != 0);
584
585	rc = efx_mcdi_rpc(efx, MC_CMD_GET_PHY_STATE, NULL, 0,
586			  outbuf, sizeof(outbuf), &outlen);
587	if (rc)
588		return rc;
589
590	if (outlen < MC_CMD_GET_PHY_STATE_OUT_LEN)
591		return -EIO;
592	if (MCDI_DWORD(outbuf, GET_PHY_STATE_OUT_STATE) != MC_CMD_PHY_STATE_OK)
593		return -EINVAL;
594
595	return 0;
596}
597
598static const char *const mcdi_sft9001_cable_diag_names[] = {
599	"cable.pairA.length",
600	"cable.pairB.length",
601	"cable.pairC.length",
602	"cable.pairD.length",
603	"cable.pairA.status",
604	"cable.pairB.status",
605	"cable.pairC.status",
606	"cable.pairD.status",
607};
608
609static int efx_mcdi_bist(struct efx_nic *efx, unsigned int bist_mode,
610			 int *results)
611{
612	unsigned int retry, i, count = 0;
613	size_t outlen;
614	u32 status;
615	MCDI_DECLARE_BUF(inbuf, MC_CMD_START_BIST_IN_LEN);
616	MCDI_DECLARE_BUF(outbuf, MC_CMD_POLL_BIST_OUT_SFT9001_LEN);
617	u8 *ptr;
618	int rc;
619
620	BUILD_BUG_ON(MC_CMD_START_BIST_OUT_LEN != 0);
621	MCDI_SET_DWORD(inbuf, START_BIST_IN_TYPE, bist_mode);
622	rc = efx_mcdi_rpc(efx, MC_CMD_START_BIST,
623			  inbuf, MC_CMD_START_BIST_IN_LEN, NULL, 0, NULL);
624	if (rc)
625		goto out;
626
627	/* Wait up to 10s for BIST to finish */
628	for (retry = 0; retry < 100; ++retry) {
629		BUILD_BUG_ON(MC_CMD_POLL_BIST_IN_LEN != 0);
630		rc = efx_mcdi_rpc(efx, MC_CMD_POLL_BIST, NULL, 0,
631				  outbuf, sizeof(outbuf), &outlen);
632		if (rc)
633			goto out;
634
635		status = MCDI_DWORD(outbuf, POLL_BIST_OUT_RESULT);
636		if (status != MC_CMD_POLL_BIST_RUNNING)
637			goto finished;
638
639		msleep(100);
640	}
641
642	rc = -ETIMEDOUT;
643	goto out;
644
645finished:
646	results[count++] = (status == MC_CMD_POLL_BIST_PASSED) ? 1 : -1;
647
648	/* SFT9001 specific cable diagnostics output */
649	if (efx->phy_type == PHY_TYPE_SFT9001B &&
650	    (bist_mode == MC_CMD_PHY_BIST_CABLE_SHORT ||
651	     bist_mode == MC_CMD_PHY_BIST_CABLE_LONG)) {
652		ptr = MCDI_PTR(outbuf, POLL_BIST_OUT_SFT9001_CABLE_LENGTH_A);
653		if (status == MC_CMD_POLL_BIST_PASSED &&
654		    outlen >= MC_CMD_POLL_BIST_OUT_SFT9001_LEN) {
655			for (i = 0; i < 8; i++) {
656				results[count + i] =
657					EFX_DWORD_FIELD(((efx_dword_t *)ptr)[i],
658							EFX_DWORD_0);
659			}
660		}
661		count += 8;
662	}
663	rc = count;
664
665out:
666	return rc;
667}
668
669static int efx_mcdi_phy_run_tests(struct efx_nic *efx, int *results,
670				  unsigned flags)
671{
672	struct efx_mcdi_phy_data *phy_cfg = efx->phy_data;
673	u32 mode;
674	int rc;
675
676	if (phy_cfg->flags & (1 << MC_CMD_GET_PHY_CFG_OUT_BIST_LBN)) {
677		rc = efx_mcdi_bist(efx, MC_CMD_PHY_BIST, results);
678		if (rc < 0)
679			return rc;
680
681		results += rc;
682	}
683
684	/* If we support both LONG and SHORT, then run each in response to
685	 * break or not. Otherwise, run the one we support */
686	mode = 0;
687	if (phy_cfg->flags & (1 << MC_CMD_GET_PHY_CFG_OUT_BIST_CABLE_SHORT_LBN)) {
688		if ((flags & ETH_TEST_FL_OFFLINE) &&
689		    (phy_cfg->flags &
690		     (1 << MC_CMD_GET_PHY_CFG_OUT_BIST_CABLE_LONG_LBN)))
691			mode = MC_CMD_PHY_BIST_CABLE_LONG;
692		else
693			mode = MC_CMD_PHY_BIST_CABLE_SHORT;
694	} else if (phy_cfg->flags &
695		   (1 << MC_CMD_GET_PHY_CFG_OUT_BIST_CABLE_LONG_LBN))
696		mode = MC_CMD_PHY_BIST_CABLE_LONG;
697
698	if (mode != 0) {
699		rc = efx_mcdi_bist(efx, mode, results);
700		if (rc < 0)
701			return rc;
702		results += rc;
703	}
704
705	return 0;
706}
707
708static const char *efx_mcdi_phy_test_name(struct efx_nic *efx,
709					  unsigned int index)
710{
711	struct efx_mcdi_phy_data *phy_cfg = efx->phy_data;
712
713	if (phy_cfg->flags & (1 << MC_CMD_GET_PHY_CFG_OUT_BIST_LBN)) {
714		if (index == 0)
715			return "bist";
716		--index;
717	}
718
719	if (phy_cfg->flags & ((1 << MC_CMD_GET_PHY_CFG_OUT_BIST_CABLE_SHORT_LBN) |
720			      (1 << MC_CMD_GET_PHY_CFG_OUT_BIST_CABLE_LONG_LBN))) {
721		if (index == 0)
722			return "cable";
723		--index;
724
725		if (efx->phy_type == PHY_TYPE_SFT9001B) {
726			if (index < ARRAY_SIZE(mcdi_sft9001_cable_diag_names))
727				return mcdi_sft9001_cable_diag_names[index];
728			index -= ARRAY_SIZE(mcdi_sft9001_cable_diag_names);
729		}
730	}
731
732	return NULL;
733}
734
735#define SFP_PAGE_SIZE	128
736#define SFP_NUM_PAGES	2
737static int efx_mcdi_phy_get_module_eeprom(struct efx_nic *efx,
738					  struct ethtool_eeprom *ee, u8 *data)
739{
740	MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_PHY_MEDIA_INFO_OUT_LENMAX);
741	MCDI_DECLARE_BUF(inbuf, MC_CMD_GET_PHY_MEDIA_INFO_IN_LEN);
742	size_t outlen;
743	int rc;
744	unsigned int payload_len;
745	unsigned int space_remaining = ee->len;
746	unsigned int page;
747	unsigned int page_off;
748	unsigned int to_copy;
749	u8 *user_data = data;
750
751	BUILD_BUG_ON(SFP_PAGE_SIZE * SFP_NUM_PAGES != ETH_MODULE_SFF_8079_LEN);
752
753	page_off = ee->offset % SFP_PAGE_SIZE;
754	page = ee->offset / SFP_PAGE_SIZE;
755
756	while (space_remaining && (page < SFP_NUM_PAGES)) {
757		MCDI_SET_DWORD(inbuf, GET_PHY_MEDIA_INFO_IN_PAGE, page);
758
759		rc = efx_mcdi_rpc(efx, MC_CMD_GET_PHY_MEDIA_INFO,
760				  inbuf, sizeof(inbuf),
761				  outbuf, sizeof(outbuf),
762				  &outlen);
763		if (rc)
764			return rc;
765
766		if (outlen < (MC_CMD_GET_PHY_MEDIA_INFO_OUT_DATA_OFST +
767			      SFP_PAGE_SIZE))
768			return -EIO;
769
770		payload_len = MCDI_DWORD(outbuf,
771					 GET_PHY_MEDIA_INFO_OUT_DATALEN);
772		if (payload_len != SFP_PAGE_SIZE)
773			return -EIO;
774
775		/* Copy as much as we can into data */
776		payload_len -= page_off;
777		to_copy = (space_remaining < payload_len) ?
778			space_remaining : payload_len;
779
780		memcpy(user_data,
781		       MCDI_PTR(outbuf, GET_PHY_MEDIA_INFO_OUT_DATA) + page_off,
782		       to_copy);
783
784		space_remaining -= to_copy;
785		user_data += to_copy;
786		page_off = 0;
787		page++;
788	}
789
790	return 0;
791}
792
793static int efx_mcdi_phy_get_module_info(struct efx_nic *efx,
794					struct ethtool_modinfo *modinfo)
795{
796	struct efx_mcdi_phy_data *phy_cfg = efx->phy_data;
797
798	switch (phy_cfg->media) {
799	case MC_CMD_MEDIA_SFP_PLUS:
800		modinfo->type = ETH_MODULE_SFF_8079;
801		modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN;
802		return 0;
803	default:
804		return -EOPNOTSUPP;
805	}
806}
807
808static const struct efx_phy_operations efx_mcdi_phy_ops = {
809	.probe		= efx_mcdi_phy_probe,
810	.init		= efx_port_dummy_op_int,
811	.reconfigure	= efx_mcdi_port_reconfigure,
812	.poll		= efx_mcdi_phy_poll,
813	.fini		= efx_port_dummy_op_void,
814	.remove		= efx_mcdi_phy_remove,
815	.get_settings	= efx_mcdi_phy_get_settings,
816	.set_settings	= efx_mcdi_phy_set_settings,
817	.test_alive	= efx_mcdi_phy_test_alive,
818	.run_tests	= efx_mcdi_phy_run_tests,
819	.test_name	= efx_mcdi_phy_test_name,
820	.get_module_eeprom = efx_mcdi_phy_get_module_eeprom,
821	.get_module_info = efx_mcdi_phy_get_module_info,
822};
823
824u32 efx_mcdi_phy_get_caps(struct efx_nic *efx)
825{
826	struct efx_mcdi_phy_data *phy_data = efx->phy_data;
827
828	return phy_data->supported_cap;
829}
830
831static unsigned int efx_mcdi_event_link_speed[] = {
832	[MCDI_EVENT_LINKCHANGE_SPEED_100M] = 100,
833	[MCDI_EVENT_LINKCHANGE_SPEED_1G] = 1000,
834	[MCDI_EVENT_LINKCHANGE_SPEED_10G] = 10000,
835	[MCDI_EVENT_LINKCHANGE_SPEED_40G] = 40000,
836};
837
838void efx_mcdi_process_link_change(struct efx_nic *efx, efx_qword_t *ev)
839{
840	u32 flags, fcntl, speed, lpa;
841
842	speed = EFX_QWORD_FIELD(*ev, MCDI_EVENT_LINKCHANGE_SPEED);
843	EFX_BUG_ON_PARANOID(speed >= ARRAY_SIZE(efx_mcdi_event_link_speed));
844	speed = efx_mcdi_event_link_speed[speed];
845
846	flags = EFX_QWORD_FIELD(*ev, MCDI_EVENT_LINKCHANGE_LINK_FLAGS);
847	fcntl = EFX_QWORD_FIELD(*ev, MCDI_EVENT_LINKCHANGE_FCNTL);
848	lpa = EFX_QWORD_FIELD(*ev, MCDI_EVENT_LINKCHANGE_LP_CAP);
849
850	/* efx->link_state is only modified by efx_mcdi_phy_get_link(),
851	 * which is only run after flushing the event queues. Therefore, it
852	 * is safe to modify the link state outside of the mac_lock here.
853	 */
854	efx_mcdi_phy_decode_link(efx, &efx->link_state, speed, flags, fcntl);
855
856	efx_mcdi_phy_check_fcntl(efx, lpa);
857
858	efx_link_status_changed(efx);
859}
860
861int efx_mcdi_set_mac(struct efx_nic *efx)
862{
863	u32 fcntl;
864	MCDI_DECLARE_BUF(cmdbytes, MC_CMD_SET_MAC_IN_LEN);
865
866	BUILD_BUG_ON(MC_CMD_SET_MAC_OUT_LEN != 0);
867
868	ether_addr_copy(MCDI_PTR(cmdbytes, SET_MAC_IN_ADDR),
869			efx->net_dev->dev_addr);
870
871	MCDI_SET_DWORD(cmdbytes, SET_MAC_IN_MTU,
872			EFX_MAX_FRAME_LEN(efx->net_dev->mtu));
873	MCDI_SET_DWORD(cmdbytes, SET_MAC_IN_DRAIN, 0);
874
875	/* Set simple MAC filter for Siena */
876	MCDI_POPULATE_DWORD_1(cmdbytes, SET_MAC_IN_REJECT,
877			      SET_MAC_IN_REJECT_UNCST, efx->unicast_filter);
878
879	switch (efx->wanted_fc) {
880	case EFX_FC_RX | EFX_FC_TX:
881		fcntl = MC_CMD_FCNTL_BIDIR;
882		break;
883	case EFX_FC_RX:
884		fcntl = MC_CMD_FCNTL_RESPOND;
885		break;
886	default:
887		fcntl = MC_CMD_FCNTL_OFF;
888		break;
889	}
890	if (efx->wanted_fc & EFX_FC_AUTO)
891		fcntl = MC_CMD_FCNTL_AUTO;
892	if (efx->fc_disable)
893		fcntl = MC_CMD_FCNTL_OFF;
894
895	MCDI_SET_DWORD(cmdbytes, SET_MAC_IN_FCNTL, fcntl);
896
897	return efx_mcdi_rpc(efx, MC_CMD_SET_MAC, cmdbytes, sizeof(cmdbytes),
898			    NULL, 0, NULL);
899}
900
901bool efx_mcdi_mac_check_fault(struct efx_nic *efx)
902{
903	MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_LINK_OUT_LEN);
904	size_t outlength;
905	int rc;
906
907	BUILD_BUG_ON(MC_CMD_GET_LINK_IN_LEN != 0);
908
909	rc = efx_mcdi_rpc(efx, MC_CMD_GET_LINK, NULL, 0,
910			  outbuf, sizeof(outbuf), &outlength);
911	if (rc)
912		return true;
913
914	return MCDI_DWORD(outbuf, GET_LINK_OUT_MAC_FAULT) != 0;
915}
916
917enum efx_stats_action {
918	EFX_STATS_ENABLE,
919	EFX_STATS_DISABLE,
920	EFX_STATS_PULL,
921};
922
923static int efx_mcdi_mac_stats(struct efx_nic *efx,
924			      enum efx_stats_action action, int clear)
925{
926	MCDI_DECLARE_BUF(inbuf, MC_CMD_MAC_STATS_IN_LEN);
927	int rc;
928	int change = action == EFX_STATS_PULL ? 0 : 1;
929	int enable = action == EFX_STATS_ENABLE ? 1 : 0;
930	int period = action == EFX_STATS_ENABLE ? 1000 : 0;
931	dma_addr_t dma_addr = efx->stats_buffer.dma_addr;
932	u32 dma_len = action != EFX_STATS_DISABLE ?
933		MC_CMD_MAC_NSTATS * sizeof(u64) : 0;
934
935	BUILD_BUG_ON(MC_CMD_MAC_STATS_OUT_DMA_LEN != 0);
936
937	MCDI_SET_QWORD(inbuf, MAC_STATS_IN_DMA_ADDR, dma_addr);
938	MCDI_POPULATE_DWORD_7(inbuf, MAC_STATS_IN_CMD,
939			      MAC_STATS_IN_DMA, !!enable,
940			      MAC_STATS_IN_CLEAR, clear,
941			      MAC_STATS_IN_PERIODIC_CHANGE, change,
942			      MAC_STATS_IN_PERIODIC_ENABLE, enable,
943			      MAC_STATS_IN_PERIODIC_CLEAR, 0,
944			      MAC_STATS_IN_PERIODIC_NOEVENT, 1,
945			      MAC_STATS_IN_PERIOD_MS, period);
946	MCDI_SET_DWORD(inbuf, MAC_STATS_IN_DMA_LEN, dma_len);
947
948	rc = efx_mcdi_rpc(efx, MC_CMD_MAC_STATS, inbuf, sizeof(inbuf),
949			  NULL, 0, NULL);
950	return rc;
951}
952
953void efx_mcdi_mac_start_stats(struct efx_nic *efx)
954{
955	__le64 *dma_stats = efx->stats_buffer.addr;
956
957	dma_stats[MC_CMD_MAC_GENERATION_END] = EFX_MC_STATS_GENERATION_INVALID;
958
959	efx_mcdi_mac_stats(efx, EFX_STATS_ENABLE, 0);
960}
961
962void efx_mcdi_mac_stop_stats(struct efx_nic *efx)
963{
964	efx_mcdi_mac_stats(efx, EFX_STATS_DISABLE, 0);
965}
966
967#define EFX_MAC_STATS_WAIT_US 100
968#define EFX_MAC_STATS_WAIT_ATTEMPTS 10
969
970void efx_mcdi_mac_pull_stats(struct efx_nic *efx)
971{
972	__le64 *dma_stats = efx->stats_buffer.addr;
973	int attempts = EFX_MAC_STATS_WAIT_ATTEMPTS;
974
975	dma_stats[MC_CMD_MAC_GENERATION_END] = EFX_MC_STATS_GENERATION_INVALID;
976	efx_mcdi_mac_stats(efx, EFX_STATS_PULL, 0);
977
978	while (dma_stats[MC_CMD_MAC_GENERATION_END] ==
979				EFX_MC_STATS_GENERATION_INVALID &&
980			attempts-- != 0)
981		udelay(EFX_MAC_STATS_WAIT_US);
982}
983
984int efx_mcdi_port_probe(struct efx_nic *efx)
985{
986	int rc;
987
988	/* Hook in PHY operations table */
989	efx->phy_op = &efx_mcdi_phy_ops;
990
991	/* Set up MDIO structure for PHY */
992	efx->mdio.mode_support = MDIO_SUPPORTS_C45 | MDIO_EMULATE_C22;
993	efx->mdio.mdio_read = efx_mcdi_mdio_read;
994	efx->mdio.mdio_write = efx_mcdi_mdio_write;
995
996	/* Fill out MDIO structure, loopback modes, and initial link state */
997	rc = efx->phy_op->probe(efx);
998	if (rc != 0)
999		return rc;
1000
1001	/* Allocate buffer for stats */
1002	rc = efx_nic_alloc_buffer(efx, &efx->stats_buffer,
1003				  MC_CMD_MAC_NSTATS * sizeof(u64), GFP_KERNEL);
1004	if (rc)
1005		return rc;
1006	netif_dbg(efx, probe, efx->net_dev,
1007		  "stats buffer at %llx (virt %p phys %llx)\n",
1008		  (u64)efx->stats_buffer.dma_addr,
1009		  efx->stats_buffer.addr,
1010		  (u64)virt_to_phys(efx->stats_buffer.addr));
1011
1012	efx_mcdi_mac_stats(efx, EFX_STATS_DISABLE, 1);
1013
1014	return 0;
1015}
1016
1017void efx_mcdi_port_remove(struct efx_nic *efx)
1018{
1019	efx->phy_op->remove(efx);
1020	efx_nic_free_buffer(efx, &efx->stats_buffer);
1021}
1022
1023/* Get physical port number (EF10 only; on Siena it is same as PF number) */
1024int efx_mcdi_port_get_number(struct efx_nic *efx)
1025{
1026	MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_PORT_ASSIGNMENT_OUT_LEN);
1027	int rc;
1028
1029	rc = efx_mcdi_rpc(efx, MC_CMD_GET_PORT_ASSIGNMENT, NULL, 0,
1030			  outbuf, sizeof(outbuf), NULL);
1031	if (rc)
1032		return rc;
1033
1034	return MCDI_DWORD(outbuf, GET_PORT_ASSIGNMENT_OUT_PORT);
1035}
1036