[ceph.git] / ceph / src / spdk / dpdk / drivers / net / sfc / base / efx_port.c

/* SPDX-License-Identifier: BSD-3-Clause
 *
 * Copyright (c) 2009-2018 Solarflare Communications Inc.
 * All rights reserved.
 */

#include "efx.h"
#include "efx_impl.h"

	__checkReturn	efx_rc_t
efx_port_init(
	__in		efx_nic_t *enp)
{
	efx_port_t *epp = &(enp->en_port);
	const efx_phy_ops_t *epop = epp->ep_epop;
	efx_rc_t rc;

	EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
	EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PROBE);
	EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_NIC);

	if (enp->en_mod_flags & EFX_MOD_PORT) {
		rc = EINVAL;
		goto fail1;
	}

	enp->en_mod_flags |= EFX_MOD_PORT;

	epp->ep_mac_type = EFX_MAC_INVALID;
	epp->ep_link_mode = EFX_LINK_UNKNOWN;
	epp->ep_mac_drain = B_TRUE;

	/* Configure the MAC */
	if ((rc = efx_mac_select(enp)) != 0)
		goto fail1;

	epp->ep_emop->emo_reconfigure(enp);

	/* Pick up current phy capababilities */
	(void) efx_port_poll(enp, NULL);

	/*
	 * Turn on the PHY if available, otherwise reset it, and
	 * reconfigure it with the current configuration.
	 */
	if (epop->epo_power != NULL) {
		if ((rc = epop->epo_power(enp, B_TRUE)) != 0)
			goto fail2;
	} else {
		if ((rc = epop->epo_reset(enp)) != 0)
			goto fail2;
	}

	EFSYS_ASSERT(enp->en_reset_flags & EFX_RESET_PHY);
	enp->en_reset_flags &= ~EFX_RESET_PHY;

	if ((rc = epop->epo_reconfigure(enp)) != 0)
		goto fail3;

	return (0);

fail3:
	EFSYS_PROBE(fail3);
fail2:
	EFSYS_PROBE(fail2);
fail1:
	EFSYS_PROBE1(fail1, efx_rc_t, rc);

	enp->en_mod_flags &= ~EFX_MOD_PORT;

	return (rc);
}

	__checkReturn	efx_rc_t
efx_port_poll(
	__in		efx_nic_t *enp,
	__out_opt	efx_link_mode_t	*link_modep)
{
	efx_port_t *epp = &(enp->en_port);
	const efx_mac_ops_t *emop = epp->ep_emop;
	efx_link_mode_t ignore_link_mode;
	efx_rc_t rc;

	EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
	EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);

	EFSYS_ASSERT(emop != NULL);

	if (link_modep == NULL)
		link_modep = &ignore_link_mode;

	if ((rc = emop->emo_poll(enp, link_modep)) != 0)
		goto fail1;

	return (0);

fail1:
	EFSYS_PROBE1(fail1, efx_rc_t, rc);

	return (rc);
}

#if EFSYS_OPT_LOOPBACK

	__checkReturn	efx_rc_t
efx_port_loopback_set(
	__in		efx_nic_t *enp,
	__in		efx_link_mode_t link_mode,
	__in		efx_loopback_type_t loopback_type)
{
	efx_port_t *epp = &(enp->en_port);
	efx_nic_cfg_t *encp = &(enp->en_nic_cfg);
	const efx_mac_ops_t *emop = epp->ep_emop;
	efx_rc_t rc;

	EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
	EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
	EFSYS_ASSERT(emop != NULL);

	EFSYS_ASSERT(link_mode < EFX_LINK_NMODES);

	if (EFX_TEST_QWORD_BIT(encp->enc_loopback_types[link_mode],
		(int)loopback_type) == 0) {
		rc = ENOTSUP;
		goto fail1;
	}

	if (epp->ep_loopback_type == loopback_type &&
	    epp->ep_loopback_link_mode == link_mode)
		return (0);

	if ((rc = emop->emo_loopback_set(enp, link_mode, loopback_type)) != 0)
		goto fail2;

	return (0);

fail2:
	EFSYS_PROBE(fail2);
fail1:
	EFSYS_PROBE1(fail1, efx_rc_t, rc);

	return (rc);
}

#if EFSYS_OPT_NAMES

static const char * const __efx_loopback_type_name[] = {
	"OFF",
	"DATA",
	"GMAC",
	"XGMII",
	"XGXS",
	"XAUI",
	"GMII",
	"SGMII",
	"XGBR",
	"XFI",
	"XAUI_FAR",
	"GMII_FAR",
	"SGMII_FAR",
	"XFI_FAR",
	"GPHY",
	"PHY_XS",
	"PCS",
	"PMA_PMD",
	"XPORT",
	"XGMII_WS",
	"XAUI_WS",
	"XAUI_WS_FAR",
	"XAUI_WS_NEAR",
	"GMII_WS",
	"XFI_WS",
	"XFI_WS_FAR",
	"PHYXS_WS",
	"PMA_INT",
	"SD_NEAR",
	"SD_FAR",
	"PMA_INT_WS",
	"SD_FEP2_WS",
	"SD_FEP1_5_WS",
	"SD_FEP_WS",
	"SD_FES_WS",
	"AOE_INT_NEAR",
	"DATA_WS",
	"FORCE_EXT_LINK",
};

	__checkReturn	const char *
efx_loopback_type_name(
	__in		efx_nic_t *enp,
	__in		efx_loopback_type_t type)
{
	EFX_STATIC_ASSERT(EFX_ARRAY_SIZE(__efx_loopback_type_name) ==
	    EFX_LOOPBACK_NTYPES);

	_NOTE(ARGUNUSED(enp))
	EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
	EFSYS_ASSERT3U(type, <, EFX_LOOPBACK_NTYPES);

	return (__efx_loopback_type_name[type]);
}

#endif	/* EFSYS_OPT_NAMES */

#endif	/* EFSYS_OPT_LOOPBACK */

			void
efx_port_fini(
	__in		efx_nic_t *enp)
{
	efx_port_t *epp = &(enp->en_port);
	const efx_phy_ops_t *epop = epp->ep_epop;

	EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
	EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PROBE);
	EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_NIC);
	EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);

	EFSYS_ASSERT(epp->ep_mac_drain);

	epp->ep_emop = NULL;
	epp->ep_mac_type = EFX_MAC_INVALID;
	epp->ep_mac_drain = B_FALSE;

	/* Turn off the PHY */
	if (epop->epo_power != NULL)
		(void) epop->epo_power(enp, B_FALSE);

	enp->en_mod_flags &= ~EFX_MOD_PORT;
}
Commit	Line	Data
11fdf7f2 TL	1	/* SPDX-License-Identifier: BSD-3-Clause
	2	*
	3	* Copyright (c) 2009-2018 Solarflare Communications Inc.
	4	* All rights reserved.
	5	*/
	6
	7	#include "efx.h"
	8	#include "efx_impl.h"
	9
	10	__checkReturn efx_rc_t
	11	efx_port_init(
	12	__in efx_nic_t *enp)
	13	{
	14	efx_port_t *epp = &(enp->en_port);
	15	const efx_phy_ops_t *epop = epp->ep_epop;
	16	efx_rc_t rc;
	17
	18	EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
	19	EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PROBE);
	20	EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_NIC);
	21
	22	if (enp->en_mod_flags & EFX_MOD_PORT) {
	23	rc = EINVAL;
	24	goto fail1;
	25	}
	26
	27	enp->en_mod_flags \|= EFX_MOD_PORT;
	28
	29	epp->ep_mac_type = EFX_MAC_INVALID;
	30	epp->ep_link_mode = EFX_LINK_UNKNOWN;
	31	epp->ep_mac_drain = B_TRUE;
	32
	33	/* Configure the MAC */
	34	if ((rc = efx_mac_select(enp)) != 0)
	35	goto fail1;
	36
	37	epp->ep_emop->emo_reconfigure(enp);
	38
	39	/* Pick up current phy capababilities */
9f95a23c	40	(void) efx_port_poll(enp, NULL);
11fdf7f2 TL	41
	42	/*
	43	* Turn on the PHY if available, otherwise reset it, and
	44	* reconfigure it with the current configuration.
	45	*/
	46	if (epop->epo_power != NULL) {
	47	if ((rc = epop->epo_power(enp, B_TRUE)) != 0)
	48	goto fail2;
	49	} else {
	50	if ((rc = epop->epo_reset(enp)) != 0)
	51	goto fail2;
	52	}
	53
	54	EFSYS_ASSERT(enp->en_reset_flags & EFX_RESET_PHY);
	55	enp->en_reset_flags &= ~EFX_RESET_PHY;
	56
	57	if ((rc = epop->epo_reconfigure(enp)) != 0)
	58	goto fail3;
	59
	60	return (0);
	61
	62	fail3:
	63	EFSYS_PROBE(fail3);
	64	fail2:
	65	EFSYS_PROBE(fail2);
	66	fail1:
	67	EFSYS_PROBE1(fail1, efx_rc_t, rc);
	68
	69	enp->en_mod_flags &= ~EFX_MOD_PORT;
	70
	71	return (rc);
	72	}
	73
	74	__checkReturn efx_rc_t
	75	efx_port_poll(
	76	__in efx_nic_t *enp,
	77	__out_opt efx_link_mode_t *link_modep)
	78	{
	79	efx_port_t *epp = &(enp->en_port);
	80	const efx_mac_ops_t *emop = epp->ep_emop;
	81	efx_link_mode_t ignore_link_mode;
	82	efx_rc_t rc;
	83
	84	EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
	85	EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
	86
	87	EFSYS_ASSERT(emop != NULL);
	88
	89	if (link_modep == NULL)
	90	link_modep = &ignore_link_mode;
	91
	92	if ((rc = emop->emo_poll(enp, link_modep)) != 0)
	93	goto fail1;
	94
	95	return (0);
	96
	97	fail1:
	98	EFSYS_PROBE1(fail1, efx_rc_t, rc);
	99
	100	return (rc);
	101	}
	102
	103	#if EFSYS_OPT_LOOPBACK
	104
105	__checkReturn efx_rc_t
106	efx_port_loopback_set(
107	__in efx_nic_t *enp,
108	__in efx_link_mode_t link_mode,
109	__in efx_loopback_type_t loopback_type)
110	{
111	efx_port_t *epp = &(enp->en_port);
112	efx_nic_cfg_t *encp = &(enp->en_nic_cfg);
113	const efx_mac_ops_t *emop = epp->ep_emop;
114	efx_rc_t rc;
115
116	EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
117	EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
118	EFSYS_ASSERT(emop != NULL);
119
120	EFSYS_ASSERT(link_mode < EFX_LINK_NMODES);
121
122	if (EFX_TEST_QWORD_BIT(encp->enc_loopback_types[link_mode],
123	(int)loopback_type) == 0) {
124	rc = ENOTSUP;
125	goto fail1;
126	}
127
128	if (epp->ep_loopback_type == loopback_type &&
129	epp->ep_loopback_link_mode == link_mode)
130	return (0);
131
132	if ((rc = emop->emo_loopback_set(enp, link_mode, loopback_type)) != 0)
133	goto fail2;
134
135	return (0);
136
137	fail2:
138	EFSYS_PROBE(fail2);
139	fail1:
140	EFSYS_PROBE1(fail1, efx_rc_t, rc);
141
142	return (rc);
143	}
144
145	#if EFSYS_OPT_NAMES
146
147	static const char * const __efx_loopback_type_name[] = {
148	"OFF",
149	"DATA",
150	"GMAC",
151	"XGMII",
152	"XGXS",
153	"XAUI",
154	"GMII",
155	"SGMII",
156	"XGBR",
157	"XFI",
158	"XAUI_FAR",
159	"GMII_FAR",
160	"SGMII_FAR",
161	"XFI_FAR",
162	"GPHY",
163	"PHY_XS",
164	"PCS",
165	"PMA_PMD",
166	"XPORT",
167	"XGMII_WS",
168	"XAUI_WS",
169	"XAUI_WS_FAR",
170	"XAUI_WS_NEAR",
171	"GMII_WS",
172	"XFI_WS",
173	"XFI_WS_FAR",
174	"PHYXS_WS",
175	"PMA_INT",
176	"SD_NEAR",
177	"SD_FAR",
178	"PMA_INT_WS",
179	"SD_FEP2_WS",
180	"SD_FEP1_5_WS",
181	"SD_FEP_WS",
182	"SD_FES_WS",
183	"AOE_INT_NEAR",
184	"DATA_WS",
185	"FORCE_EXT_LINK",
186	};
187
188	__checkReturn const char *
189	efx_loopback_type_name(
190	__in efx_nic_t *enp,
191	__in efx_loopback_type_t type)
192	{
193	EFX_STATIC_ASSERT(EFX_ARRAY_SIZE(__efx_loopback_type_name) ==
194	EFX_LOOPBACK_NTYPES);
195
196	_NOTE(ARGUNUSED(enp))
197	EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
198	EFSYS_ASSERT3U(type, <, EFX_LOOPBACK_NTYPES);
199
200	return (__efx_loopback_type_name[type]);
201	}
202
203	#endif /* EFSYS_OPT_NAMES */
204
205	#endif /* EFSYS_OPT_LOOPBACK */
206
207	void
208	efx_port_fini(
209	__in efx_nic_t *enp)
210	{
211	efx_port_t *epp = &(enp->en_port);
212	const efx_phy_ops_t *epop = epp->ep_epop;
213
214	EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
215	EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PROBE);
216	EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_NIC);
217	EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
218
219	EFSYS_ASSERT(epp->ep_mac_drain);
220
221	epp->ep_emop = NULL;
222	epp->ep_mac_type = EFX_MAC_INVALID;
223	epp->ep_mac_drain = B_FALSE;
224
225	/* Turn off the PHY */
226	if (epop->epo_power != NULL)
227	(void) epop->epo_power(enp, B_FALSE);
228
229	enp->en_mod_flags &= ~EFX_MOD_PORT;
230	}