xref: /freebsd/sys/dev/sfxge/common/efx_rx.c (revision 82af879c05ed8bb6ad1a702416cefb36475ce787)
1e948693eSPhilip Paeps /*-
2718cf2ccSPedro F. Giffuni  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3718cf2ccSPedro F. Giffuni  *
4929c7febSAndrew Rybchenko  * Copyright (c) 2007-2016 Solarflare Communications Inc.
53c838a9fSAndrew Rybchenko  * All rights reserved.
6e948693eSPhilip Paeps  *
7e948693eSPhilip Paeps  * Redistribution and use in source and binary forms, with or without
83c838a9fSAndrew Rybchenko  * modification, are permitted provided that the following conditions are met:
9e948693eSPhilip Paeps  *
103c838a9fSAndrew Rybchenko  * 1. Redistributions of source code must retain the above copyright notice,
113c838a9fSAndrew Rybchenko  *    this list of conditions and the following disclaimer.
123c838a9fSAndrew Rybchenko  * 2. Redistributions in binary form must reproduce the above copyright notice,
133c838a9fSAndrew Rybchenko  *    this list of conditions and the following disclaimer in the documentation
143c838a9fSAndrew Rybchenko  *    and/or other materials provided with the distribution.
153c838a9fSAndrew Rybchenko  *
163c838a9fSAndrew Rybchenko  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
173c838a9fSAndrew Rybchenko  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
183c838a9fSAndrew Rybchenko  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
193c838a9fSAndrew Rybchenko  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
203c838a9fSAndrew Rybchenko  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
213c838a9fSAndrew Rybchenko  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
223c838a9fSAndrew Rybchenko  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
233c838a9fSAndrew Rybchenko  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
243c838a9fSAndrew Rybchenko  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
253c838a9fSAndrew Rybchenko  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
263c838a9fSAndrew Rybchenko  * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
273c838a9fSAndrew Rybchenko  *
283c838a9fSAndrew Rybchenko  * The views and conclusions contained in the software and documentation are
293c838a9fSAndrew Rybchenko  * those of the authors and should not be interpreted as representing official
303c838a9fSAndrew Rybchenko  * policies, either expressed or implied, of the FreeBSD Project.
31e948693eSPhilip Paeps  */
32e948693eSPhilip Paeps 
335dee87d7SPhilip Paeps #include <sys/cdefs.h>
345dee87d7SPhilip Paeps __FBSDID("$FreeBSD$");
355dee87d7SPhilip Paeps 
36e948693eSPhilip Paeps #include "efx.h"
37e948693eSPhilip Paeps #include "efx_impl.h"
38e948693eSPhilip Paeps 
393c838a9fSAndrew Rybchenko 
40e75412c9SAndrew Rybchenko #if EFSYS_OPT_SIENA
413c838a9fSAndrew Rybchenko 
42460cb568SAndrew Rybchenko static	__checkReturn	efx_rc_t
43d2df9a4eSAndrew Rybchenko siena_rx_init(
443c838a9fSAndrew Rybchenko 	__in		efx_nic_t *enp);
453c838a9fSAndrew Rybchenko 
463c838a9fSAndrew Rybchenko static			void
47d2df9a4eSAndrew Rybchenko siena_rx_fini(
483c838a9fSAndrew Rybchenko 	__in		efx_nic_t *enp);
493c838a9fSAndrew Rybchenko 
503c838a9fSAndrew Rybchenko #if EFSYS_OPT_RX_SCATTER
51460cb568SAndrew Rybchenko static	__checkReturn	efx_rc_t
52d2df9a4eSAndrew Rybchenko siena_rx_scatter_enable(
533c838a9fSAndrew Rybchenko 	__in		efx_nic_t *enp,
543c838a9fSAndrew Rybchenko 	__in		unsigned int buf_size);
553c838a9fSAndrew Rybchenko #endif /* EFSYS_OPT_RX_SCATTER */
563c838a9fSAndrew Rybchenko 
573c838a9fSAndrew Rybchenko #if EFSYS_OPT_RX_SCALE
58460cb568SAndrew Rybchenko static	__checkReturn	efx_rc_t
59d2df9a4eSAndrew Rybchenko siena_rx_scale_mode_set(
603c838a9fSAndrew Rybchenko 	__in		efx_nic_t *enp,
61*82af879cSAndrew Rybchenko 	__in		uint32_t rss_context,
623c838a9fSAndrew Rybchenko 	__in		efx_rx_hash_alg_t alg,
633c838a9fSAndrew Rybchenko 	__in		efx_rx_hash_type_t type,
643c838a9fSAndrew Rybchenko 	__in		boolean_t insert);
653c838a9fSAndrew Rybchenko 
66460cb568SAndrew Rybchenko static	__checkReturn	efx_rc_t
67d2df9a4eSAndrew Rybchenko siena_rx_scale_key_set(
683c838a9fSAndrew Rybchenko 	__in		efx_nic_t *enp,
69*82af879cSAndrew Rybchenko 	__in		uint32_t rss_context,
703c838a9fSAndrew Rybchenko 	__in_ecount(n)	uint8_t *key,
713c838a9fSAndrew Rybchenko 	__in		size_t n);
723c838a9fSAndrew Rybchenko 
73460cb568SAndrew Rybchenko static	__checkReturn	efx_rc_t
74d2df9a4eSAndrew Rybchenko siena_rx_scale_tbl_set(
753c838a9fSAndrew Rybchenko 	__in		efx_nic_t *enp,
76*82af879cSAndrew Rybchenko 	__in		uint32_t rss_context,
773c838a9fSAndrew Rybchenko 	__in_ecount(n)	unsigned int *table,
783c838a9fSAndrew Rybchenko 	__in		size_t n);
793c838a9fSAndrew Rybchenko 
800badfd72SAndrew Rybchenko static	__checkReturn	uint32_t
81d2df9a4eSAndrew Rybchenko siena_rx_prefix_hash(
820badfd72SAndrew Rybchenko 	__in		efx_nic_t *enp,
830badfd72SAndrew Rybchenko 	__in		efx_rx_hash_alg_t func,
840badfd72SAndrew Rybchenko 	__in		uint8_t *buffer);
850badfd72SAndrew Rybchenko 
860a91bc3fSAndrew Rybchenko #endif /* EFSYS_OPT_RX_SCALE */
870a91bc3fSAndrew Rybchenko 
880badfd72SAndrew Rybchenko static	__checkReturn	efx_rc_t
89d2df9a4eSAndrew Rybchenko siena_rx_prefix_pktlen(
900badfd72SAndrew Rybchenko 	__in		efx_nic_t *enp,
910badfd72SAndrew Rybchenko 	__in		uint8_t *buffer,
920badfd72SAndrew Rybchenko 	__out		uint16_t *lengthp);
930badfd72SAndrew Rybchenko 
943c838a9fSAndrew Rybchenko static			void
95d2df9a4eSAndrew Rybchenko siena_rx_qpost(
963c838a9fSAndrew Rybchenko 	__in		efx_rxq_t *erp,
973c838a9fSAndrew Rybchenko 	__in_ecount(n)	efsys_dma_addr_t *addrp,
983c838a9fSAndrew Rybchenko 	__in		size_t size,
993c838a9fSAndrew Rybchenko 	__in		unsigned int n,
1003c838a9fSAndrew Rybchenko 	__in		unsigned int completed,
1013c838a9fSAndrew Rybchenko 	__in		unsigned int added);
1023c838a9fSAndrew Rybchenko 
1033c838a9fSAndrew Rybchenko static			void
104d2df9a4eSAndrew Rybchenko siena_rx_qpush(
1053c838a9fSAndrew Rybchenko 	__in		efx_rxq_t *erp,
1063c838a9fSAndrew Rybchenko 	__in		unsigned int added,
1073c838a9fSAndrew Rybchenko 	__inout		unsigned int *pushedp);
1083c838a9fSAndrew Rybchenko 
1098e0c4827SAndrew Rybchenko #if EFSYS_OPT_RX_PACKED_STREAM
1108e0c4827SAndrew Rybchenko static		void
1118e0c4827SAndrew Rybchenko siena_rx_qpush_ps_credits(
1128e0c4827SAndrew Rybchenko 	__in		efx_rxq_t *erp);
1138e0c4827SAndrew Rybchenko 
1148e0c4827SAndrew Rybchenko static	__checkReturn	uint8_t *
1158e0c4827SAndrew Rybchenko siena_rx_qps_packet_info(
1168e0c4827SAndrew Rybchenko 	__in		efx_rxq_t *erp,
1178e0c4827SAndrew Rybchenko 	__in		uint8_t *buffer,
1188e0c4827SAndrew Rybchenko 	__in		uint32_t buffer_length,
1198e0c4827SAndrew Rybchenko 	__in		uint32_t current_offset,
1208e0c4827SAndrew Rybchenko 	__out		uint16_t *lengthp,
1218e0c4827SAndrew Rybchenko 	__out		uint32_t *next_offsetp,
1228e0c4827SAndrew Rybchenko 	__out		uint32_t *timestamp);
1238e0c4827SAndrew Rybchenko #endif
1248e0c4827SAndrew Rybchenko 
125460cb568SAndrew Rybchenko static	__checkReturn	efx_rc_t
126d2df9a4eSAndrew Rybchenko siena_rx_qflush(
1273c838a9fSAndrew Rybchenko 	__in		efx_rxq_t *erp);
1283c838a9fSAndrew Rybchenko 
1293c838a9fSAndrew Rybchenko static			void
130d2df9a4eSAndrew Rybchenko siena_rx_qenable(
1313c838a9fSAndrew Rybchenko 	__in		efx_rxq_t *erp);
1323c838a9fSAndrew Rybchenko 
133460cb568SAndrew Rybchenko static	__checkReturn	efx_rc_t
134d2df9a4eSAndrew Rybchenko siena_rx_qcreate(
1353c838a9fSAndrew Rybchenko 	__in		efx_nic_t *enp,
1363c838a9fSAndrew Rybchenko 	__in		unsigned int index,
1373c838a9fSAndrew Rybchenko 	__in		unsigned int label,
1383c838a9fSAndrew Rybchenko 	__in		efx_rxq_type_t type,
1393c838a9fSAndrew Rybchenko 	__in		efsys_mem_t *esmp,
1403c838a9fSAndrew Rybchenko 	__in		size_t n,
1413c838a9fSAndrew Rybchenko 	__in		uint32_t id,
1423c838a9fSAndrew Rybchenko 	__in		efx_evq_t *eep,
1433c838a9fSAndrew Rybchenko 	__in		efx_rxq_t *erp);
1443c838a9fSAndrew Rybchenko 
1453c838a9fSAndrew Rybchenko static			void
146d2df9a4eSAndrew Rybchenko siena_rx_qdestroy(
1473c838a9fSAndrew Rybchenko 	__in		efx_rxq_t *erp);
1483c838a9fSAndrew Rybchenko 
149e75412c9SAndrew Rybchenko #endif /* EFSYS_OPT_SIENA */
1503c838a9fSAndrew Rybchenko 
1513c838a9fSAndrew Rybchenko 
1523c838a9fSAndrew Rybchenko #if EFSYS_OPT_SIENA
153ec831f7fSAndrew Rybchenko static const efx_rx_ops_t __efx_rx_siena_ops = {
154d2df9a4eSAndrew Rybchenko 	siena_rx_init,				/* erxo_init */
155d2df9a4eSAndrew Rybchenko 	siena_rx_fini,				/* erxo_fini */
1563c838a9fSAndrew Rybchenko #if EFSYS_OPT_RX_SCATTER
157d2df9a4eSAndrew Rybchenko 	siena_rx_scatter_enable,		/* erxo_scatter_enable */
1583c838a9fSAndrew Rybchenko #endif
1593c838a9fSAndrew Rybchenko #if EFSYS_OPT_RX_SCALE
160e6d55a0bSAndrew Rybchenko 	NULL,					/* erxo_scale_context_alloc */
161e6d55a0bSAndrew Rybchenko 	NULL,					/* erxo_scale_context_free */
162d2df9a4eSAndrew Rybchenko 	siena_rx_scale_mode_set,		/* erxo_scale_mode_set */
163d2df9a4eSAndrew Rybchenko 	siena_rx_scale_key_set,			/* erxo_scale_key_set */
164d2df9a4eSAndrew Rybchenko 	siena_rx_scale_tbl_set,			/* erxo_scale_tbl_set */
165d2df9a4eSAndrew Rybchenko 	siena_rx_prefix_hash,			/* erxo_prefix_hash */
1663c838a9fSAndrew Rybchenko #endif
167d2df9a4eSAndrew Rybchenko 	siena_rx_prefix_pktlen,			/* erxo_prefix_pktlen */
168d2df9a4eSAndrew Rybchenko 	siena_rx_qpost,				/* erxo_qpost */
169d2df9a4eSAndrew Rybchenko 	siena_rx_qpush,				/* erxo_qpush */
1708e0c4827SAndrew Rybchenko #if EFSYS_OPT_RX_PACKED_STREAM
1718e0c4827SAndrew Rybchenko 	siena_rx_qpush_ps_credits,		/* erxo_qpush_ps_credits */
1728e0c4827SAndrew Rybchenko 	siena_rx_qps_packet_info,		/* erxo_qps_packet_info */
1738e0c4827SAndrew Rybchenko #endif
174d2df9a4eSAndrew Rybchenko 	siena_rx_qflush,			/* erxo_qflush */
175d2df9a4eSAndrew Rybchenko 	siena_rx_qenable,			/* erxo_qenable */
176d2df9a4eSAndrew Rybchenko 	siena_rx_qcreate,			/* erxo_qcreate */
177d2df9a4eSAndrew Rybchenko 	siena_rx_qdestroy,			/* erxo_qdestroy */
1783c838a9fSAndrew Rybchenko };
1793c838a9fSAndrew Rybchenko #endif	/* EFSYS_OPT_SIENA */
1803c838a9fSAndrew Rybchenko 
181b627be98SAndrew Rybchenko #if EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD
182ec831f7fSAndrew Rybchenko static const efx_rx_ops_t __efx_rx_ef10_ops = {
183b627be98SAndrew Rybchenko 	ef10_rx_init,				/* erxo_init */
184b627be98SAndrew Rybchenko 	ef10_rx_fini,				/* erxo_fini */
1853c838a9fSAndrew Rybchenko #if EFSYS_OPT_RX_SCATTER
186b627be98SAndrew Rybchenko 	ef10_rx_scatter_enable,			/* erxo_scatter_enable */
1873c838a9fSAndrew Rybchenko #endif
1883c838a9fSAndrew Rybchenko #if EFSYS_OPT_RX_SCALE
189e6d55a0bSAndrew Rybchenko 	ef10_rx_scale_context_alloc,		/* erxo_scale_context_alloc */
190e6d55a0bSAndrew Rybchenko 	ef10_rx_scale_context_free,		/* erxo_scale_context_free */
191b627be98SAndrew Rybchenko 	ef10_rx_scale_mode_set,			/* erxo_scale_mode_set */
192b627be98SAndrew Rybchenko 	ef10_rx_scale_key_set,			/* erxo_scale_key_set */
193b627be98SAndrew Rybchenko 	ef10_rx_scale_tbl_set,			/* erxo_scale_tbl_set */
1940badfd72SAndrew Rybchenko 	ef10_rx_prefix_hash,			/* erxo_prefix_hash */
1953c838a9fSAndrew Rybchenko #endif
1960badfd72SAndrew Rybchenko 	ef10_rx_prefix_pktlen,			/* erxo_prefix_pktlen */
197b627be98SAndrew Rybchenko 	ef10_rx_qpost,				/* erxo_qpost */
198b627be98SAndrew Rybchenko 	ef10_rx_qpush,				/* erxo_qpush */
1998e0c4827SAndrew Rybchenko #if EFSYS_OPT_RX_PACKED_STREAM
2008e0c4827SAndrew Rybchenko 	ef10_rx_qpush_ps_credits,		/* erxo_qpush_ps_credits */
2018e0c4827SAndrew Rybchenko 	ef10_rx_qps_packet_info,		/* erxo_qps_packet_info */
2028e0c4827SAndrew Rybchenko #endif
203b627be98SAndrew Rybchenko 	ef10_rx_qflush,				/* erxo_qflush */
204b627be98SAndrew Rybchenko 	ef10_rx_qenable,			/* erxo_qenable */
205b627be98SAndrew Rybchenko 	ef10_rx_qcreate,			/* erxo_qcreate */
206b627be98SAndrew Rybchenko 	ef10_rx_qdestroy,			/* erxo_qdestroy */
2073c838a9fSAndrew Rybchenko };
208b627be98SAndrew Rybchenko #endif	/* EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD */
2093c838a9fSAndrew Rybchenko 
2103c838a9fSAndrew Rybchenko 
211460cb568SAndrew Rybchenko 	__checkReturn	efx_rc_t
212e948693eSPhilip Paeps efx_rx_init(
2133c838a9fSAndrew Rybchenko 	__inout		efx_nic_t *enp)
214e948693eSPhilip Paeps {
215ec831f7fSAndrew Rybchenko 	const efx_rx_ops_t *erxop;
216460cb568SAndrew Rybchenko 	efx_rc_t rc;
217e948693eSPhilip Paeps 
218e948693eSPhilip Paeps 	EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
219e948693eSPhilip Paeps 	EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_NIC);
220e948693eSPhilip Paeps 
221e948693eSPhilip Paeps 	if (!(enp->en_mod_flags & EFX_MOD_EV)) {
222e948693eSPhilip Paeps 		rc = EINVAL;
223e948693eSPhilip Paeps 		goto fail1;
224e948693eSPhilip Paeps 	}
225e948693eSPhilip Paeps 
226e948693eSPhilip Paeps 	if (enp->en_mod_flags & EFX_MOD_RX) {
227e948693eSPhilip Paeps 		rc = EINVAL;
228e948693eSPhilip Paeps 		goto fail2;
229e948693eSPhilip Paeps 	}
230e948693eSPhilip Paeps 
2313c838a9fSAndrew Rybchenko 	switch (enp->en_family) {
2323c838a9fSAndrew Rybchenko #if EFSYS_OPT_SIENA
2333c838a9fSAndrew Rybchenko 	case EFX_FAMILY_SIENA:
234ec831f7fSAndrew Rybchenko 		erxop = &__efx_rx_siena_ops;
2353c838a9fSAndrew Rybchenko 		break;
2363c838a9fSAndrew Rybchenko #endif /* EFSYS_OPT_SIENA */
2373c838a9fSAndrew Rybchenko 
2383c838a9fSAndrew Rybchenko #if EFSYS_OPT_HUNTINGTON
2393c838a9fSAndrew Rybchenko 	case EFX_FAMILY_HUNTINGTON:
240ec831f7fSAndrew Rybchenko 		erxop = &__efx_rx_ef10_ops;
2413c838a9fSAndrew Rybchenko 		break;
2423c838a9fSAndrew Rybchenko #endif /* EFSYS_OPT_HUNTINGTON */
2433c838a9fSAndrew Rybchenko 
244b627be98SAndrew Rybchenko #if EFSYS_OPT_MEDFORD
245b627be98SAndrew Rybchenko 	case EFX_FAMILY_MEDFORD:
246ec831f7fSAndrew Rybchenko 		erxop = &__efx_rx_ef10_ops;
247b627be98SAndrew Rybchenko 		break;
248b627be98SAndrew Rybchenko #endif /* EFSYS_OPT_MEDFORD */
249b627be98SAndrew Rybchenko 
2503c838a9fSAndrew Rybchenko 	default:
2513c838a9fSAndrew Rybchenko 		EFSYS_ASSERT(0);
2523c838a9fSAndrew Rybchenko 		rc = ENOTSUP;
2533c838a9fSAndrew Rybchenko 		goto fail3;
2543c838a9fSAndrew Rybchenko 	}
2553c838a9fSAndrew Rybchenko 
2563c838a9fSAndrew Rybchenko 	if ((rc = erxop->erxo_init(enp)) != 0)
2573c838a9fSAndrew Rybchenko 		goto fail4;
2583c838a9fSAndrew Rybchenko 
2593c838a9fSAndrew Rybchenko 	enp->en_erxop = erxop;
2603c838a9fSAndrew Rybchenko 	enp->en_mod_flags |= EFX_MOD_RX;
2613c838a9fSAndrew Rybchenko 	return (0);
2623c838a9fSAndrew Rybchenko 
2633c838a9fSAndrew Rybchenko fail4:
2643c838a9fSAndrew Rybchenko 	EFSYS_PROBE(fail4);
2653c838a9fSAndrew Rybchenko fail3:
2663c838a9fSAndrew Rybchenko 	EFSYS_PROBE(fail3);
2673c838a9fSAndrew Rybchenko fail2:
2683c838a9fSAndrew Rybchenko 	EFSYS_PROBE(fail2);
2693c838a9fSAndrew Rybchenko fail1:
270460cb568SAndrew Rybchenko 	EFSYS_PROBE1(fail1, efx_rc_t, rc);
2713c838a9fSAndrew Rybchenko 
2723c838a9fSAndrew Rybchenko 	enp->en_erxop = NULL;
2733c838a9fSAndrew Rybchenko 	enp->en_mod_flags &= ~EFX_MOD_RX;
2743c838a9fSAndrew Rybchenko 	return (rc);
2753c838a9fSAndrew Rybchenko }
2763c838a9fSAndrew Rybchenko 
2773c838a9fSAndrew Rybchenko 			void
2783c838a9fSAndrew Rybchenko efx_rx_fini(
2793c838a9fSAndrew Rybchenko 	__in		efx_nic_t *enp)
2803c838a9fSAndrew Rybchenko {
281ec831f7fSAndrew Rybchenko 	const efx_rx_ops_t *erxop = enp->en_erxop;
2823c838a9fSAndrew Rybchenko 
2833c838a9fSAndrew Rybchenko 	EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
2843c838a9fSAndrew Rybchenko 	EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_NIC);
2853c838a9fSAndrew Rybchenko 	EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_RX);
2863c838a9fSAndrew Rybchenko 	EFSYS_ASSERT3U(enp->en_rx_qcount, ==, 0);
2873c838a9fSAndrew Rybchenko 
2883c838a9fSAndrew Rybchenko 	erxop->erxo_fini(enp);
2893c838a9fSAndrew Rybchenko 
2903c838a9fSAndrew Rybchenko 	enp->en_erxop = NULL;
2913c838a9fSAndrew Rybchenko 	enp->en_mod_flags &= ~EFX_MOD_RX;
2923c838a9fSAndrew Rybchenko }
2933c838a9fSAndrew Rybchenko 
2943c838a9fSAndrew Rybchenko #if EFSYS_OPT_RX_SCATTER
295460cb568SAndrew Rybchenko 	__checkReturn	efx_rc_t
2963c838a9fSAndrew Rybchenko efx_rx_scatter_enable(
2973c838a9fSAndrew Rybchenko 	__in		efx_nic_t *enp,
2983c838a9fSAndrew Rybchenko 	__in		unsigned int buf_size)
2993c838a9fSAndrew Rybchenko {
300ec831f7fSAndrew Rybchenko 	const efx_rx_ops_t *erxop = enp->en_erxop;
301460cb568SAndrew Rybchenko 	efx_rc_t rc;
3023c838a9fSAndrew Rybchenko 
3033c838a9fSAndrew Rybchenko 	EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
3043c838a9fSAndrew Rybchenko 	EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_RX);
3053c838a9fSAndrew Rybchenko 
3063c838a9fSAndrew Rybchenko 	if ((rc = erxop->erxo_scatter_enable(enp, buf_size)) != 0)
3073c838a9fSAndrew Rybchenko 		goto fail1;
3083c838a9fSAndrew Rybchenko 
3093c838a9fSAndrew Rybchenko 	return (0);
3103c838a9fSAndrew Rybchenko 
3113c838a9fSAndrew Rybchenko fail1:
312460cb568SAndrew Rybchenko 	EFSYS_PROBE1(fail1, efx_rc_t, rc);
3133c838a9fSAndrew Rybchenko 	return (rc);
3143c838a9fSAndrew Rybchenko }
3153c838a9fSAndrew Rybchenko #endif	/* EFSYS_OPT_RX_SCATTER */
3163c838a9fSAndrew Rybchenko 
3173c838a9fSAndrew Rybchenko #if EFSYS_OPT_RX_SCALE
318460cb568SAndrew Rybchenko 	__checkReturn	efx_rc_t
31939023729SAndrew Rybchenko efx_rx_hash_default_support_get(
3203c838a9fSAndrew Rybchenko 	__in		efx_nic_t *enp,
3213c838a9fSAndrew Rybchenko 	__out		efx_rx_hash_support_t *supportp)
3223c838a9fSAndrew Rybchenko {
323460cb568SAndrew Rybchenko 	efx_rc_t rc;
3243c838a9fSAndrew Rybchenko 
3253c838a9fSAndrew Rybchenko 	EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
3263c838a9fSAndrew Rybchenko 	EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_RX);
3273c838a9fSAndrew Rybchenko 
3283c838a9fSAndrew Rybchenko 	if (supportp == NULL) {
3293c838a9fSAndrew Rybchenko 		rc = EINVAL;
3303c838a9fSAndrew Rybchenko 		goto fail1;
3313c838a9fSAndrew Rybchenko 	}
3323c838a9fSAndrew Rybchenko 
33339023729SAndrew Rybchenko 	/*
33439023729SAndrew Rybchenko 	 * Report the hashing support the client gets by default if it
33539023729SAndrew Rybchenko 	 * does not allocate an RSS context itself.
33639023729SAndrew Rybchenko 	 */
3373c838a9fSAndrew Rybchenko 	*supportp = enp->en_hash_support;
3383c838a9fSAndrew Rybchenko 
3393c838a9fSAndrew Rybchenko 	return (0);
3403c838a9fSAndrew Rybchenko 
3413c838a9fSAndrew Rybchenko fail1:
342460cb568SAndrew Rybchenko 	EFSYS_PROBE1(fail1, efx_rc_t, rc);
3433c838a9fSAndrew Rybchenko 
3443c838a9fSAndrew Rybchenko 	return (rc);
3453c838a9fSAndrew Rybchenko }
3463c838a9fSAndrew Rybchenko 
347460cb568SAndrew Rybchenko 	__checkReturn	efx_rc_t
34839023729SAndrew Rybchenko efx_rx_scale_default_support_get(
3493c838a9fSAndrew Rybchenko 	__in		efx_nic_t *enp,
35039023729SAndrew Rybchenko 	__out		efx_rx_scale_context_type_t *typep)
3513c838a9fSAndrew Rybchenko {
352460cb568SAndrew Rybchenko 	efx_rc_t rc;
3533c838a9fSAndrew Rybchenko 
3543c838a9fSAndrew Rybchenko 	EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
3553c838a9fSAndrew Rybchenko 	EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_RX);
3563c838a9fSAndrew Rybchenko 
35739023729SAndrew Rybchenko 	if (typep == NULL) {
3583c838a9fSAndrew Rybchenko 		rc = EINVAL;
3593c838a9fSAndrew Rybchenko 		goto fail1;
3603c838a9fSAndrew Rybchenko 	}
3613c838a9fSAndrew Rybchenko 
36239023729SAndrew Rybchenko 	/*
36339023729SAndrew Rybchenko 	 * Report the RSS support the client gets by default if it
36439023729SAndrew Rybchenko 	 * does not allocate an RSS context itself.
36539023729SAndrew Rybchenko 	 */
36639023729SAndrew Rybchenko 	*typep = enp->en_rss_context_type;
3673c838a9fSAndrew Rybchenko 
3683c838a9fSAndrew Rybchenko 	return (0);
3693c838a9fSAndrew Rybchenko 
3703c838a9fSAndrew Rybchenko fail1:
371460cb568SAndrew Rybchenko 	EFSYS_PROBE1(fail1, efx_rc_t, rc);
3723c838a9fSAndrew Rybchenko 
3733c838a9fSAndrew Rybchenko 	return (rc);
3743c838a9fSAndrew Rybchenko }
375e6d55a0bSAndrew Rybchenko #endif	/* EFSYS_OPT_RX_SCALE */
3763c838a9fSAndrew Rybchenko 
377e6d55a0bSAndrew Rybchenko #if EFSYS_OPT_RX_SCALE
378e6d55a0bSAndrew Rybchenko 	__checkReturn	efx_rc_t
379e6d55a0bSAndrew Rybchenko efx_rx_scale_context_alloc(
380e6d55a0bSAndrew Rybchenko 	__in		efx_nic_t *enp,
381e6d55a0bSAndrew Rybchenko 	__in		efx_rx_scale_context_type_t type,
382e6d55a0bSAndrew Rybchenko 	__in		uint32_t num_queues,
383e6d55a0bSAndrew Rybchenko 	__out		uint32_t *rss_contextp)
384e6d55a0bSAndrew Rybchenko {
385e6d55a0bSAndrew Rybchenko 	const efx_rx_ops_t *erxop = enp->en_erxop;
386e6d55a0bSAndrew Rybchenko 	efx_rc_t rc;
387e6d55a0bSAndrew Rybchenko 
388e6d55a0bSAndrew Rybchenko 	EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
389e6d55a0bSAndrew Rybchenko 	EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_RX);
390e6d55a0bSAndrew Rybchenko 
391e6d55a0bSAndrew Rybchenko 	if (erxop->erxo_scale_context_alloc == NULL) {
392e6d55a0bSAndrew Rybchenko 		rc = ENOTSUP;
393e6d55a0bSAndrew Rybchenko 		goto fail1;
394e6d55a0bSAndrew Rybchenko 	}
395e6d55a0bSAndrew Rybchenko 	if ((rc = erxop->erxo_scale_context_alloc(enp, type,
396e6d55a0bSAndrew Rybchenko 			    num_queues, rss_contextp)) != 0) {
397e6d55a0bSAndrew Rybchenko 		goto fail2;
398e6d55a0bSAndrew Rybchenko 	}
399e6d55a0bSAndrew Rybchenko 
400e6d55a0bSAndrew Rybchenko 	return (0);
401e6d55a0bSAndrew Rybchenko 
402e6d55a0bSAndrew Rybchenko fail2:
403e6d55a0bSAndrew Rybchenko 	EFSYS_PROBE(fail2);
404e6d55a0bSAndrew Rybchenko fail1:
405e6d55a0bSAndrew Rybchenko 	EFSYS_PROBE1(fail1, efx_rc_t, rc);
406e6d55a0bSAndrew Rybchenko 	return (rc);
407e6d55a0bSAndrew Rybchenko }
408e6d55a0bSAndrew Rybchenko #endif	/* EFSYS_OPT_RX_SCALE */
409e6d55a0bSAndrew Rybchenko 
410e6d55a0bSAndrew Rybchenko #if EFSYS_OPT_RX_SCALE
411e6d55a0bSAndrew Rybchenko 	__checkReturn	efx_rc_t
412e6d55a0bSAndrew Rybchenko efx_rx_scale_context_free(
413e6d55a0bSAndrew Rybchenko 	__in		efx_nic_t *enp,
414e6d55a0bSAndrew Rybchenko 	__in		uint32_t rss_context)
415e6d55a0bSAndrew Rybchenko {
416e6d55a0bSAndrew Rybchenko 	const efx_rx_ops_t *erxop = enp->en_erxop;
417e6d55a0bSAndrew Rybchenko 	efx_rc_t rc;
418e6d55a0bSAndrew Rybchenko 
419e6d55a0bSAndrew Rybchenko 	EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
420e6d55a0bSAndrew Rybchenko 	EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_RX);
421e6d55a0bSAndrew Rybchenko 
422e6d55a0bSAndrew Rybchenko 	if (erxop->erxo_scale_context_free == NULL) {
423e6d55a0bSAndrew Rybchenko 		rc = ENOTSUP;
424e6d55a0bSAndrew Rybchenko 		goto fail1;
425e6d55a0bSAndrew Rybchenko 	}
426e6d55a0bSAndrew Rybchenko 	if ((rc = erxop->erxo_scale_context_free(enp, rss_context)) != 0)
427e6d55a0bSAndrew Rybchenko 		goto fail2;
428e6d55a0bSAndrew Rybchenko 
429e6d55a0bSAndrew Rybchenko 	return (0);
430e6d55a0bSAndrew Rybchenko 
431e6d55a0bSAndrew Rybchenko fail2:
432e6d55a0bSAndrew Rybchenko 	EFSYS_PROBE(fail2);
433e6d55a0bSAndrew Rybchenko fail1:
434e6d55a0bSAndrew Rybchenko 	EFSYS_PROBE1(fail1, efx_rc_t, rc);
435e6d55a0bSAndrew Rybchenko 	return (rc);
436e6d55a0bSAndrew Rybchenko }
437e6d55a0bSAndrew Rybchenko #endif	/* EFSYS_OPT_RX_SCALE */
438e6d55a0bSAndrew Rybchenko 
439e6d55a0bSAndrew Rybchenko #if EFSYS_OPT_RX_SCALE
440460cb568SAndrew Rybchenko 	__checkReturn	efx_rc_t
4413c838a9fSAndrew Rybchenko efx_rx_scale_mode_set(
4423c838a9fSAndrew Rybchenko 	__in		efx_nic_t *enp,
443*82af879cSAndrew Rybchenko 	__in		uint32_t rss_context,
4443c838a9fSAndrew Rybchenko 	__in		efx_rx_hash_alg_t alg,
4453c838a9fSAndrew Rybchenko 	__in		efx_rx_hash_type_t type,
4463c838a9fSAndrew Rybchenko 	__in		boolean_t insert)
4473c838a9fSAndrew Rybchenko {
448ec831f7fSAndrew Rybchenko 	const efx_rx_ops_t *erxop = enp->en_erxop;
449460cb568SAndrew Rybchenko 	efx_rc_t rc;
4503c838a9fSAndrew Rybchenko 
4513c838a9fSAndrew Rybchenko 	EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
4523c838a9fSAndrew Rybchenko 	EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_RX);
4533c838a9fSAndrew Rybchenko 
4543c838a9fSAndrew Rybchenko 	if (erxop->erxo_scale_mode_set != NULL) {
455*82af879cSAndrew Rybchenko 		if ((rc = erxop->erxo_scale_mode_set(enp, rss_context, alg,
4563c838a9fSAndrew Rybchenko 			    type, insert)) != 0)
4573c838a9fSAndrew Rybchenko 			goto fail1;
4583c838a9fSAndrew Rybchenko 	}
4593c838a9fSAndrew Rybchenko 
4603c838a9fSAndrew Rybchenko 	return (0);
4613c838a9fSAndrew Rybchenko 
4623c838a9fSAndrew Rybchenko fail1:
463460cb568SAndrew Rybchenko 	EFSYS_PROBE1(fail1, efx_rc_t, rc);
4643c838a9fSAndrew Rybchenko 	return (rc);
4653c838a9fSAndrew Rybchenko }
4663c838a9fSAndrew Rybchenko #endif	/* EFSYS_OPT_RX_SCALE */
4673c838a9fSAndrew Rybchenko 
4683c838a9fSAndrew Rybchenko #if EFSYS_OPT_RX_SCALE
469460cb568SAndrew Rybchenko 	__checkReturn	efx_rc_t
4703c838a9fSAndrew Rybchenko efx_rx_scale_key_set(
4713c838a9fSAndrew Rybchenko 	__in		efx_nic_t *enp,
472*82af879cSAndrew Rybchenko 	__in		uint32_t rss_context,
4733c838a9fSAndrew Rybchenko 	__in_ecount(n)	uint8_t *key,
4743c838a9fSAndrew Rybchenko 	__in		size_t n)
4753c838a9fSAndrew Rybchenko {
476ec831f7fSAndrew Rybchenko 	const efx_rx_ops_t *erxop = enp->en_erxop;
477460cb568SAndrew Rybchenko 	efx_rc_t rc;
4783c838a9fSAndrew Rybchenko 
4793c838a9fSAndrew Rybchenko 	EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
4803c838a9fSAndrew Rybchenko 	EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_RX);
4813c838a9fSAndrew Rybchenko 
482*82af879cSAndrew Rybchenko 	if ((rc = erxop->erxo_scale_key_set(enp, rss_context, key, n)) != 0)
4833c838a9fSAndrew Rybchenko 		goto fail1;
4843c838a9fSAndrew Rybchenko 
4853c838a9fSAndrew Rybchenko 	return (0);
4863c838a9fSAndrew Rybchenko 
4873c838a9fSAndrew Rybchenko fail1:
488460cb568SAndrew Rybchenko 	EFSYS_PROBE1(fail1, efx_rc_t, rc);
4893c838a9fSAndrew Rybchenko 
4903c838a9fSAndrew Rybchenko 	return (rc);
4913c838a9fSAndrew Rybchenko }
4923c838a9fSAndrew Rybchenko #endif	/* EFSYS_OPT_RX_SCALE */
4933c838a9fSAndrew Rybchenko 
4943c838a9fSAndrew Rybchenko #if EFSYS_OPT_RX_SCALE
495460cb568SAndrew Rybchenko 	__checkReturn	efx_rc_t
4963c838a9fSAndrew Rybchenko efx_rx_scale_tbl_set(
4973c838a9fSAndrew Rybchenko 	__in		efx_nic_t *enp,
498*82af879cSAndrew Rybchenko 	__in		uint32_t rss_context,
4993c838a9fSAndrew Rybchenko 	__in_ecount(n)	unsigned int *table,
5003c838a9fSAndrew Rybchenko 	__in		size_t n)
5013c838a9fSAndrew Rybchenko {
502ec831f7fSAndrew Rybchenko 	const efx_rx_ops_t *erxop = enp->en_erxop;
503460cb568SAndrew Rybchenko 	efx_rc_t rc;
5043c838a9fSAndrew Rybchenko 
5053c838a9fSAndrew Rybchenko 	EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
5063c838a9fSAndrew Rybchenko 	EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_RX);
5073c838a9fSAndrew Rybchenko 
508*82af879cSAndrew Rybchenko 	if ((rc = erxop->erxo_scale_tbl_set(enp, rss_context, table, n)) != 0)
5093c838a9fSAndrew Rybchenko 		goto fail1;
5103c838a9fSAndrew Rybchenko 
5113c838a9fSAndrew Rybchenko 	return (0);
5123c838a9fSAndrew Rybchenko 
5133c838a9fSAndrew Rybchenko fail1:
514460cb568SAndrew Rybchenko 	EFSYS_PROBE1(fail1, efx_rc_t, rc);
5153c838a9fSAndrew Rybchenko 
5163c838a9fSAndrew Rybchenko 	return (rc);
5173c838a9fSAndrew Rybchenko }
5183c838a9fSAndrew Rybchenko #endif	/* EFSYS_OPT_RX_SCALE */
5193c838a9fSAndrew Rybchenko 
5203c838a9fSAndrew Rybchenko 			void
5213c838a9fSAndrew Rybchenko efx_rx_qpost(
5223c838a9fSAndrew Rybchenko 	__in		efx_rxq_t *erp,
5233c838a9fSAndrew Rybchenko 	__in_ecount(n)	efsys_dma_addr_t *addrp,
5243c838a9fSAndrew Rybchenko 	__in		size_t size,
5253c838a9fSAndrew Rybchenko 	__in		unsigned int n,
5263c838a9fSAndrew Rybchenko 	__in		unsigned int completed,
5273c838a9fSAndrew Rybchenko 	__in		unsigned int added)
5283c838a9fSAndrew Rybchenko {
5293c838a9fSAndrew Rybchenko 	efx_nic_t *enp = erp->er_enp;
530ec831f7fSAndrew Rybchenko 	const efx_rx_ops_t *erxop = enp->en_erxop;
5313c838a9fSAndrew Rybchenko 
5323c838a9fSAndrew Rybchenko 	EFSYS_ASSERT3U(erp->er_magic, ==, EFX_RXQ_MAGIC);
5333c838a9fSAndrew Rybchenko 
5343c838a9fSAndrew Rybchenko 	erxop->erxo_qpost(erp, addrp, size, n, completed, added);
5353c838a9fSAndrew Rybchenko }
5363c838a9fSAndrew Rybchenko 
5378e0c4827SAndrew Rybchenko #if EFSYS_OPT_RX_PACKED_STREAM
5388e0c4827SAndrew Rybchenko 
5398e0c4827SAndrew Rybchenko 			void
5408e0c4827SAndrew Rybchenko efx_rx_qpush_ps_credits(
5418e0c4827SAndrew Rybchenko 	__in		efx_rxq_t *erp)
5428e0c4827SAndrew Rybchenko {
5438e0c4827SAndrew Rybchenko 	efx_nic_t *enp = erp->er_enp;
5448e0c4827SAndrew Rybchenko 	const efx_rx_ops_t *erxop = enp->en_erxop;
5458e0c4827SAndrew Rybchenko 
5468e0c4827SAndrew Rybchenko 	EFSYS_ASSERT3U(erp->er_magic, ==, EFX_RXQ_MAGIC);
5478e0c4827SAndrew Rybchenko 
5488e0c4827SAndrew Rybchenko 	erxop->erxo_qpush_ps_credits(erp);
5498e0c4827SAndrew Rybchenko }
5508e0c4827SAndrew Rybchenko 
5518e0c4827SAndrew Rybchenko 	__checkReturn	uint8_t *
5528e0c4827SAndrew Rybchenko efx_rx_qps_packet_info(
5538e0c4827SAndrew Rybchenko 	__in		efx_rxq_t *erp,
5548e0c4827SAndrew Rybchenko 	__in		uint8_t *buffer,
5558e0c4827SAndrew Rybchenko 	__in		uint32_t buffer_length,
5568e0c4827SAndrew Rybchenko 	__in		uint32_t current_offset,
5578e0c4827SAndrew Rybchenko 	__out		uint16_t *lengthp,
5588e0c4827SAndrew Rybchenko 	__out		uint32_t *next_offsetp,
5598e0c4827SAndrew Rybchenko 	__out		uint32_t *timestamp)
5608e0c4827SAndrew Rybchenko {
5618e0c4827SAndrew Rybchenko 	efx_nic_t *enp = erp->er_enp;
5628e0c4827SAndrew Rybchenko 	const efx_rx_ops_t *erxop = enp->en_erxop;
5638e0c4827SAndrew Rybchenko 
5648e0c4827SAndrew Rybchenko 	return (erxop->erxo_qps_packet_info(erp, buffer,
5658e0c4827SAndrew Rybchenko 		buffer_length, current_offset, lengthp,
5668e0c4827SAndrew Rybchenko 		next_offsetp, timestamp));
5678e0c4827SAndrew Rybchenko }
5688e0c4827SAndrew Rybchenko 
5698e0c4827SAndrew Rybchenko #endif /* EFSYS_OPT_RX_PACKED_STREAM */
5708e0c4827SAndrew Rybchenko 
5713c838a9fSAndrew Rybchenko 			void
5723c838a9fSAndrew Rybchenko efx_rx_qpush(
5733c838a9fSAndrew Rybchenko 	__in		efx_rxq_t *erp,
5743c838a9fSAndrew Rybchenko 	__in		unsigned int added,
5753c838a9fSAndrew Rybchenko 	__inout		unsigned int *pushedp)
5763c838a9fSAndrew Rybchenko {
5773c838a9fSAndrew Rybchenko 	efx_nic_t *enp = erp->er_enp;
578ec831f7fSAndrew Rybchenko 	const efx_rx_ops_t *erxop = enp->en_erxop;
5793c838a9fSAndrew Rybchenko 
5803c838a9fSAndrew Rybchenko 	EFSYS_ASSERT3U(erp->er_magic, ==, EFX_RXQ_MAGIC);
5813c838a9fSAndrew Rybchenko 
5823c838a9fSAndrew Rybchenko 	erxop->erxo_qpush(erp, added, pushedp);
5833c838a9fSAndrew Rybchenko }
5843c838a9fSAndrew Rybchenko 
585460cb568SAndrew Rybchenko 	__checkReturn	efx_rc_t
5863c838a9fSAndrew Rybchenko efx_rx_qflush(
5873c838a9fSAndrew Rybchenko 	__in		efx_rxq_t *erp)
5883c838a9fSAndrew Rybchenko {
5893c838a9fSAndrew Rybchenko 	efx_nic_t *enp = erp->er_enp;
590ec831f7fSAndrew Rybchenko 	const efx_rx_ops_t *erxop = enp->en_erxop;
591460cb568SAndrew Rybchenko 	efx_rc_t rc;
5923c838a9fSAndrew Rybchenko 
5933c838a9fSAndrew Rybchenko 	EFSYS_ASSERT3U(erp->er_magic, ==, EFX_RXQ_MAGIC);
5943c838a9fSAndrew Rybchenko 
5953c838a9fSAndrew Rybchenko 	if ((rc = erxop->erxo_qflush(erp)) != 0)
5963c838a9fSAndrew Rybchenko 		goto fail1;
5973c838a9fSAndrew Rybchenko 
5983c838a9fSAndrew Rybchenko 	return (0);
5993c838a9fSAndrew Rybchenko 
6003c838a9fSAndrew Rybchenko fail1:
601460cb568SAndrew Rybchenko 	EFSYS_PROBE1(fail1, efx_rc_t, rc);
6023c838a9fSAndrew Rybchenko 
6033c838a9fSAndrew Rybchenko 	return (rc);
6043c838a9fSAndrew Rybchenko }
6053c838a9fSAndrew Rybchenko 
6063c838a9fSAndrew Rybchenko 			void
6073c838a9fSAndrew Rybchenko efx_rx_qenable(
6083c838a9fSAndrew Rybchenko 	__in		efx_rxq_t *erp)
6093c838a9fSAndrew Rybchenko {
6103c838a9fSAndrew Rybchenko 	efx_nic_t *enp = erp->er_enp;
611ec831f7fSAndrew Rybchenko 	const efx_rx_ops_t *erxop = enp->en_erxop;
6123c838a9fSAndrew Rybchenko 
6133c838a9fSAndrew Rybchenko 	EFSYS_ASSERT3U(erp->er_magic, ==, EFX_RXQ_MAGIC);
6143c838a9fSAndrew Rybchenko 
6153c838a9fSAndrew Rybchenko 	erxop->erxo_qenable(erp);
6163c838a9fSAndrew Rybchenko }
6173c838a9fSAndrew Rybchenko 
618460cb568SAndrew Rybchenko 	__checkReturn	efx_rc_t
6193c838a9fSAndrew Rybchenko efx_rx_qcreate(
6203c838a9fSAndrew Rybchenko 	__in		efx_nic_t *enp,
6213c838a9fSAndrew Rybchenko 	__in		unsigned int index,
6223c838a9fSAndrew Rybchenko 	__in		unsigned int label,
6233c838a9fSAndrew Rybchenko 	__in		efx_rxq_type_t type,
6243c838a9fSAndrew Rybchenko 	__in		efsys_mem_t *esmp,
6253c838a9fSAndrew Rybchenko 	__in		size_t n,
6263c838a9fSAndrew Rybchenko 	__in		uint32_t id,
6273c838a9fSAndrew Rybchenko 	__in		efx_evq_t *eep,
6283c838a9fSAndrew Rybchenko 	__deref_out	efx_rxq_t **erpp)
6293c838a9fSAndrew Rybchenko {
630ec831f7fSAndrew Rybchenko 	const efx_rx_ops_t *erxop = enp->en_erxop;
6313c838a9fSAndrew Rybchenko 	efx_rxq_t *erp;
632460cb568SAndrew Rybchenko 	efx_rc_t rc;
6333c838a9fSAndrew Rybchenko 
6343c838a9fSAndrew Rybchenko 	EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
6353c838a9fSAndrew Rybchenko 	EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_RX);
6363c838a9fSAndrew Rybchenko 
6373c838a9fSAndrew Rybchenko 	/* Allocate an RXQ object */
6383c838a9fSAndrew Rybchenko 	EFSYS_KMEM_ALLOC(enp->en_esip, sizeof (efx_rxq_t), erp);
6393c838a9fSAndrew Rybchenko 
6403c838a9fSAndrew Rybchenko 	if (erp == NULL) {
6413c838a9fSAndrew Rybchenko 		rc = ENOMEM;
6423c838a9fSAndrew Rybchenko 		goto fail1;
6433c838a9fSAndrew Rybchenko 	}
6443c838a9fSAndrew Rybchenko 
6453c838a9fSAndrew Rybchenko 	erp->er_magic = EFX_RXQ_MAGIC;
6463c838a9fSAndrew Rybchenko 	erp->er_enp = enp;
6473c838a9fSAndrew Rybchenko 	erp->er_index = index;
6483c838a9fSAndrew Rybchenko 	erp->er_mask = n - 1;
6493c838a9fSAndrew Rybchenko 	erp->er_esmp = esmp;
6503c838a9fSAndrew Rybchenko 
6513c838a9fSAndrew Rybchenko 	if ((rc = erxop->erxo_qcreate(enp, index, label, type, esmp, n, id,
6523c838a9fSAndrew Rybchenko 	    eep, erp)) != 0)
6533c838a9fSAndrew Rybchenko 		goto fail2;
6543c838a9fSAndrew Rybchenko 
6553c838a9fSAndrew Rybchenko 	enp->en_rx_qcount++;
6563c838a9fSAndrew Rybchenko 	*erpp = erp;
6573c838a9fSAndrew Rybchenko 
6583c838a9fSAndrew Rybchenko 	return (0);
6593c838a9fSAndrew Rybchenko 
6603c838a9fSAndrew Rybchenko fail2:
6613c838a9fSAndrew Rybchenko 	EFSYS_PROBE(fail2);
6623c838a9fSAndrew Rybchenko 
6633c838a9fSAndrew Rybchenko 	EFSYS_KMEM_FREE(enp->en_esip, sizeof (efx_rxq_t), erp);
6643c838a9fSAndrew Rybchenko fail1:
665460cb568SAndrew Rybchenko 	EFSYS_PROBE1(fail1, efx_rc_t, rc);
6663c838a9fSAndrew Rybchenko 
6673c838a9fSAndrew Rybchenko 	return (rc);
6683c838a9fSAndrew Rybchenko }
6693c838a9fSAndrew Rybchenko 
6703c838a9fSAndrew Rybchenko 			void
6713c838a9fSAndrew Rybchenko efx_rx_qdestroy(
6723c838a9fSAndrew Rybchenko 	__in		efx_rxq_t *erp)
6733c838a9fSAndrew Rybchenko {
6743c838a9fSAndrew Rybchenko 	efx_nic_t *enp = erp->er_enp;
675ec831f7fSAndrew Rybchenko 	const efx_rx_ops_t *erxop = enp->en_erxop;
6763c838a9fSAndrew Rybchenko 
6773c838a9fSAndrew Rybchenko 	EFSYS_ASSERT3U(erp->er_magic, ==, EFX_RXQ_MAGIC);
6783c838a9fSAndrew Rybchenko 
6793c838a9fSAndrew Rybchenko 	erxop->erxo_qdestroy(erp);
6803c838a9fSAndrew Rybchenko }
6813c838a9fSAndrew Rybchenko 
682460cb568SAndrew Rybchenko 	__checkReturn	efx_rc_t
68354c1459cSAndrew Rybchenko efx_pseudo_hdr_pkt_length_get(
684dae57086SAndrew Rybchenko 	__in		efx_rxq_t *erp,
6853c838a9fSAndrew Rybchenko 	__in		uint8_t *buffer,
6860badfd72SAndrew Rybchenko 	__out		uint16_t *lengthp)
6873c838a9fSAndrew Rybchenko {
688dae57086SAndrew Rybchenko 	efx_nic_t *enp = erp->er_enp;
689ec831f7fSAndrew Rybchenko 	const efx_rx_ops_t *erxop = enp->en_erxop;
6903c838a9fSAndrew Rybchenko 
691dae57086SAndrew Rybchenko 	EFSYS_ASSERT3U(erp->er_magic, ==, EFX_RXQ_MAGIC);
692dae57086SAndrew Rybchenko 
6930badfd72SAndrew Rybchenko 	return (erxop->erxo_prefix_pktlen(enp, buffer, lengthp));
6943c838a9fSAndrew Rybchenko }
6953c838a9fSAndrew Rybchenko 
6963c838a9fSAndrew Rybchenko #if EFSYS_OPT_RX_SCALE
6970badfd72SAndrew Rybchenko 	__checkReturn	uint32_t
69854c1459cSAndrew Rybchenko efx_pseudo_hdr_hash_get(
699dae57086SAndrew Rybchenko 	__in		efx_rxq_t *erp,
7003c838a9fSAndrew Rybchenko 	__in		efx_rx_hash_alg_t func,
7013c838a9fSAndrew Rybchenko 	__in		uint8_t *buffer)
7023c838a9fSAndrew Rybchenko {
703dae57086SAndrew Rybchenko 	efx_nic_t *enp = erp->er_enp;
704ec831f7fSAndrew Rybchenko 	const efx_rx_ops_t *erxop = enp->en_erxop;
7053c838a9fSAndrew Rybchenko 
706dae57086SAndrew Rybchenko 	EFSYS_ASSERT3U(erp->er_magic, ==, EFX_RXQ_MAGIC);
707dae57086SAndrew Rybchenko 
7080badfd72SAndrew Rybchenko 	EFSYS_ASSERT3U(enp->en_hash_support, ==, EFX_RX_HASH_AVAILABLE);
7090badfd72SAndrew Rybchenko 	return (erxop->erxo_prefix_hash(enp, func, buffer));
7100badfd72SAndrew Rybchenko }
7113c838a9fSAndrew Rybchenko #endif	/* EFSYS_OPT_RX_SCALE */
7123c838a9fSAndrew Rybchenko 
713e75412c9SAndrew Rybchenko #if EFSYS_OPT_SIENA
7143c838a9fSAndrew Rybchenko 
715460cb568SAndrew Rybchenko static	__checkReturn	efx_rc_t
716d2df9a4eSAndrew Rybchenko siena_rx_init(
7173c838a9fSAndrew Rybchenko 	__in		efx_nic_t *enp)
7183c838a9fSAndrew Rybchenko {
7193c838a9fSAndrew Rybchenko 	efx_oword_t oword;
7203c838a9fSAndrew Rybchenko 	unsigned int index;
7213c838a9fSAndrew Rybchenko 
722e948693eSPhilip Paeps 	EFX_BAR_READO(enp, FR_AZ_RX_CFG_REG, &oword);
723e948693eSPhilip Paeps 
724e948693eSPhilip Paeps 	EFX_SET_OWORD_FIELD(oword, FRF_BZ_RX_DESC_PUSH_EN, 0);
725e948693eSPhilip Paeps 	EFX_SET_OWORD_FIELD(oword, FRF_BZ_RX_HASH_ALG, 0);
726e948693eSPhilip Paeps 	EFX_SET_OWORD_FIELD(oword, FRF_BZ_RX_IP_HASH, 0);
727e948693eSPhilip Paeps 	EFX_SET_OWORD_FIELD(oword, FRF_BZ_RX_TCP_SUP, 0);
728e948693eSPhilip Paeps 	EFX_SET_OWORD_FIELD(oword, FRF_BZ_RX_HASH_INSRT_HDR, 0);
729e948693eSPhilip Paeps 	EFX_SET_OWORD_FIELD(oword, FRF_BZ_RX_USR_BUF_SIZE, 0x3000 / 32);
730e948693eSPhilip Paeps 	EFX_BAR_WRITEO(enp, FR_AZ_RX_CFG_REG, &oword);
731e948693eSPhilip Paeps 
732e948693eSPhilip Paeps 	/* Zero the RSS table */
733e948693eSPhilip Paeps 	for (index = 0; index < FR_BZ_RX_INDIRECTION_TBL_ROWS;
734e948693eSPhilip Paeps 	    index++) {
735e948693eSPhilip Paeps 		EFX_ZERO_OWORD(oword);
736e948693eSPhilip Paeps 		EFX_BAR_TBL_WRITEO(enp, FR_BZ_RX_INDIRECTION_TBL,
7373c838a9fSAndrew Rybchenko 				    index, &oword, B_TRUE);
738e948693eSPhilip Paeps 	}
739e948693eSPhilip Paeps 
7403c838a9fSAndrew Rybchenko #if EFSYS_OPT_RX_SCALE
7413c838a9fSAndrew Rybchenko 	/* The RSS key and indirection table are writable. */
74239023729SAndrew Rybchenko 	enp->en_rss_context_type = EFX_RX_SCALE_EXCLUSIVE;
7433c838a9fSAndrew Rybchenko 
7443c838a9fSAndrew Rybchenko 	/* Hardware can insert RX hash with/without RSS */
7453c838a9fSAndrew Rybchenko 	enp->en_hash_support = EFX_RX_HASH_AVAILABLE;
7463c838a9fSAndrew Rybchenko #endif	/* EFSYS_OPT_RX_SCALE */
7473c838a9fSAndrew Rybchenko 
748e948693eSPhilip Paeps 	return (0);
749e948693eSPhilip Paeps }
750e948693eSPhilip Paeps 
751e948693eSPhilip Paeps #if EFSYS_OPT_RX_SCATTER
752460cb568SAndrew Rybchenko static	__checkReturn	efx_rc_t
753d2df9a4eSAndrew Rybchenko siena_rx_scatter_enable(
754e948693eSPhilip Paeps 	__in		efx_nic_t *enp,
755e948693eSPhilip Paeps 	__in		unsigned int buf_size)
756e948693eSPhilip Paeps {
757e948693eSPhilip Paeps 	unsigned int nbuf32;
758e948693eSPhilip Paeps 	efx_oword_t oword;
759460cb568SAndrew Rybchenko 	efx_rc_t rc;
760e948693eSPhilip Paeps 
761e948693eSPhilip Paeps 	nbuf32 = buf_size / 32;
762e948693eSPhilip Paeps 	if ((nbuf32 == 0) ||
763e948693eSPhilip Paeps 	    (nbuf32 >= (1 << FRF_BZ_RX_USR_BUF_SIZE_WIDTH)) ||
764e948693eSPhilip Paeps 	    ((buf_size % 32) != 0)) {
765e948693eSPhilip Paeps 		rc = EINVAL;
766e948693eSPhilip Paeps 		goto fail1;
767e948693eSPhilip Paeps 	}
768e948693eSPhilip Paeps 
769e948693eSPhilip Paeps 	if (enp->en_rx_qcount > 0) {
770e948693eSPhilip Paeps 		rc = EBUSY;
771e948693eSPhilip Paeps 		goto fail2;
772e948693eSPhilip Paeps 	}
773e948693eSPhilip Paeps 
774e948693eSPhilip Paeps 	/* Set scatter buffer size */
775e948693eSPhilip Paeps 	EFX_BAR_READO(enp, FR_AZ_RX_CFG_REG, &oword);
776e948693eSPhilip Paeps 	EFX_SET_OWORD_FIELD(oword, FRF_BZ_RX_USR_BUF_SIZE, nbuf32);
777e948693eSPhilip Paeps 	EFX_BAR_WRITEO(enp, FR_AZ_RX_CFG_REG, &oword);
778e948693eSPhilip Paeps 
779e948693eSPhilip Paeps 	/* Enable scatter for packets not matching a filter */
780e948693eSPhilip Paeps 	EFX_BAR_READO(enp, FR_AZ_RX_FILTER_CTL_REG, &oword);
781e948693eSPhilip Paeps 	EFX_SET_OWORD_FIELD(oword, FRF_BZ_SCATTER_ENBL_NO_MATCH_Q, 1);
782e948693eSPhilip Paeps 	EFX_BAR_WRITEO(enp, FR_AZ_RX_FILTER_CTL_REG, &oword);
783e948693eSPhilip Paeps 
784e948693eSPhilip Paeps 	return (0);
785e948693eSPhilip Paeps 
786e948693eSPhilip Paeps fail2:
787e948693eSPhilip Paeps 	EFSYS_PROBE(fail2);
788e948693eSPhilip Paeps fail1:
789460cb568SAndrew Rybchenko 	EFSYS_PROBE1(fail1, efx_rc_t, rc);
790e948693eSPhilip Paeps 
791e948693eSPhilip Paeps 	return (rc);
792e948693eSPhilip Paeps }
793e948693eSPhilip Paeps #endif	/* EFSYS_OPT_RX_SCATTER */
794e948693eSPhilip Paeps 
795e948693eSPhilip Paeps 
796e948693eSPhilip Paeps #define	EFX_RX_LFSR_HASH(_enp, _insert)					\
797e948693eSPhilip Paeps 	do {								\
798e948693eSPhilip Paeps 		efx_oword_t oword;					\
799e948693eSPhilip Paeps 									\
800e948693eSPhilip Paeps 		EFX_BAR_READO((_enp), FR_AZ_RX_CFG_REG, &oword);	\
801e948693eSPhilip Paeps 		EFX_SET_OWORD_FIELD(oword, FRF_BZ_RX_HASH_ALG, 0);	\
802e948693eSPhilip Paeps 		EFX_SET_OWORD_FIELD(oword, FRF_BZ_RX_IP_HASH, 0);	\
803e948693eSPhilip Paeps 		EFX_SET_OWORD_FIELD(oword, FRF_BZ_RX_TCP_SUP, 0);	\
804e948693eSPhilip Paeps 		EFX_SET_OWORD_FIELD(oword, FRF_BZ_RX_HASH_INSRT_HDR,	\
805e948693eSPhilip Paeps 		    (_insert) ? 1 : 0);					\
806e948693eSPhilip Paeps 		EFX_BAR_WRITEO((_enp), FR_AZ_RX_CFG_REG, &oword);	\
807e948693eSPhilip Paeps 									\
808e948693eSPhilip Paeps 		if ((_enp)->en_family == EFX_FAMILY_SIENA) {		\
809e948693eSPhilip Paeps 			EFX_BAR_READO((_enp), FR_CZ_RX_RSS_IPV6_REG3,	\
810e948693eSPhilip Paeps 			    &oword);					\
811e948693eSPhilip Paeps 			EFX_SET_OWORD_FIELD(oword,			\
812e948693eSPhilip Paeps 			    FRF_CZ_RX_RSS_IPV6_THASH_ENABLE, 0);	\
813e948693eSPhilip Paeps 			EFX_BAR_WRITEO((_enp), FR_CZ_RX_RSS_IPV6_REG3,	\
814e948693eSPhilip Paeps 			    &oword);					\
815e948693eSPhilip Paeps 		}							\
816e948693eSPhilip Paeps 									\
817e948693eSPhilip Paeps 		_NOTE(CONSTANTCONDITION)				\
818e948693eSPhilip Paeps 	} while (B_FALSE)
819e948693eSPhilip Paeps 
820e948693eSPhilip Paeps #define	EFX_RX_TOEPLITZ_IPV4_HASH(_enp, _insert, _ip, _tcp)		\
821e948693eSPhilip Paeps 	do {								\
822e948693eSPhilip Paeps 		efx_oword_t oword;					\
823e948693eSPhilip Paeps 									\
824e948693eSPhilip Paeps 		EFX_BAR_READO((_enp), FR_AZ_RX_CFG_REG,	&oword);	\
825e948693eSPhilip Paeps 		EFX_SET_OWORD_FIELD(oword, FRF_BZ_RX_HASH_ALG, 1);	\
826e948693eSPhilip Paeps 		EFX_SET_OWORD_FIELD(oword, FRF_BZ_RX_IP_HASH,		\
827e948693eSPhilip Paeps 		    (_ip) ? 1 : 0);					\
828e948693eSPhilip Paeps 		EFX_SET_OWORD_FIELD(oword, FRF_BZ_RX_TCP_SUP,		\
829e948693eSPhilip Paeps 		    (_tcp) ? 0 : 1);					\
830e948693eSPhilip Paeps 		EFX_SET_OWORD_FIELD(oword, FRF_BZ_RX_HASH_INSRT_HDR,	\
831e948693eSPhilip Paeps 		    (_insert) ? 1 : 0);					\
832e948693eSPhilip Paeps 		EFX_BAR_WRITEO((_enp), FR_AZ_RX_CFG_REG, &oword);	\
833e948693eSPhilip Paeps 									\
834e948693eSPhilip Paeps 		_NOTE(CONSTANTCONDITION)				\
835e948693eSPhilip Paeps 	} while (B_FALSE)
836e948693eSPhilip Paeps 
837e948693eSPhilip Paeps #define	EFX_RX_TOEPLITZ_IPV6_HASH(_enp, _ip, _tcp, _rc)			\
838e948693eSPhilip Paeps 	do {								\
839e948693eSPhilip Paeps 		efx_oword_t oword;					\
840e948693eSPhilip Paeps 									\
841e948693eSPhilip Paeps 		EFX_BAR_READO((_enp), FR_CZ_RX_RSS_IPV6_REG3, &oword);	\
842e948693eSPhilip Paeps 		EFX_SET_OWORD_FIELD(oword,				\
843e948693eSPhilip Paeps 		    FRF_CZ_RX_RSS_IPV6_THASH_ENABLE, 1);		\
844e948693eSPhilip Paeps 		EFX_SET_OWORD_FIELD(oword,				\
845e948693eSPhilip Paeps 		    FRF_CZ_RX_RSS_IPV6_IP_THASH_ENABLE, (_ip) ? 1 : 0);	\
846e948693eSPhilip Paeps 		EFX_SET_OWORD_FIELD(oword,				\
847e948693eSPhilip Paeps 		    FRF_CZ_RX_RSS_IPV6_TCP_SUPPRESS, (_tcp) ? 0 : 1);	\
848e948693eSPhilip Paeps 		EFX_BAR_WRITEO((_enp), FR_CZ_RX_RSS_IPV6_REG3, &oword);	\
849e948693eSPhilip Paeps 									\
850e948693eSPhilip Paeps 		(_rc) = 0;						\
851e948693eSPhilip Paeps 									\
852e948693eSPhilip Paeps 		_NOTE(CONSTANTCONDITION)				\
853e948693eSPhilip Paeps 	} while (B_FALSE)
854e948693eSPhilip Paeps 
855e948693eSPhilip Paeps 
856e948693eSPhilip Paeps #if EFSYS_OPT_RX_SCALE
8573c838a9fSAndrew Rybchenko 
858460cb568SAndrew Rybchenko static	__checkReturn	efx_rc_t
859d2df9a4eSAndrew Rybchenko siena_rx_scale_mode_set(
860e948693eSPhilip Paeps 	__in		efx_nic_t *enp,
861*82af879cSAndrew Rybchenko 	__in		uint32_t rss_context,
862e948693eSPhilip Paeps 	__in		efx_rx_hash_alg_t alg,
863e948693eSPhilip Paeps 	__in		efx_rx_hash_type_t type,
864e948693eSPhilip Paeps 	__in		boolean_t insert)
865e948693eSPhilip Paeps {
866460cb568SAndrew Rybchenko 	efx_rc_t rc;
867e948693eSPhilip Paeps 
868*82af879cSAndrew Rybchenko 	if (rss_context != EFX_RSS_CONTEXT_DEFAULT) {
869*82af879cSAndrew Rybchenko 		rc = EINVAL;
870*82af879cSAndrew Rybchenko 		goto fail1;
871*82af879cSAndrew Rybchenko 	}
872*82af879cSAndrew Rybchenko 
873e948693eSPhilip Paeps 	switch (alg) {
874e948693eSPhilip Paeps 	case EFX_RX_HASHALG_LFSR:
875e948693eSPhilip Paeps 		EFX_RX_LFSR_HASH(enp, insert);
876e948693eSPhilip Paeps 		break;
877e948693eSPhilip Paeps 
878e948693eSPhilip Paeps 	case EFX_RX_HASHALG_TOEPLITZ:
879e948693eSPhilip Paeps 		EFX_RX_TOEPLITZ_IPV4_HASH(enp, insert,
88019734dbbSAndrew Rybchenko 		    type & EFX_RX_HASH_IPV4,
88119734dbbSAndrew Rybchenko 		    type & EFX_RX_HASH_TCPIPV4);
882e948693eSPhilip Paeps 
883e948693eSPhilip Paeps 		EFX_RX_TOEPLITZ_IPV6_HASH(enp,
88419734dbbSAndrew Rybchenko 		    type & EFX_RX_HASH_IPV6,
88519734dbbSAndrew Rybchenko 		    type & EFX_RX_HASH_TCPIPV6,
886e948693eSPhilip Paeps 		    rc);
887e948693eSPhilip Paeps 		if (rc != 0)
888*82af879cSAndrew Rybchenko 			goto fail2;
889e948693eSPhilip Paeps 
890e948693eSPhilip Paeps 		break;
891e948693eSPhilip Paeps 
892e948693eSPhilip Paeps 	default:
893e948693eSPhilip Paeps 		rc = EINVAL;
894*82af879cSAndrew Rybchenko 		goto fail3;
895e948693eSPhilip Paeps 	}
896e948693eSPhilip Paeps 
897e948693eSPhilip Paeps 	return (0);
898e948693eSPhilip Paeps 
899*82af879cSAndrew Rybchenko fail3:
900*82af879cSAndrew Rybchenko 	EFSYS_PROBE(fail3);
901e948693eSPhilip Paeps fail2:
902e948693eSPhilip Paeps 	EFSYS_PROBE(fail2);
903e948693eSPhilip Paeps fail1:
904460cb568SAndrew Rybchenko 	EFSYS_PROBE1(fail1, efx_rc_t, rc);
905e948693eSPhilip Paeps 
906e948693eSPhilip Paeps 	EFX_RX_LFSR_HASH(enp, B_FALSE);
907e948693eSPhilip Paeps 
908e948693eSPhilip Paeps 	return (rc);
909e948693eSPhilip Paeps }
910e948693eSPhilip Paeps #endif
911e948693eSPhilip Paeps 
912e948693eSPhilip Paeps #if EFSYS_OPT_RX_SCALE
913460cb568SAndrew Rybchenko static	__checkReturn	efx_rc_t
914d2df9a4eSAndrew Rybchenko siena_rx_scale_key_set(
915e948693eSPhilip Paeps 	__in		efx_nic_t *enp,
916*82af879cSAndrew Rybchenko 	__in		uint32_t rss_context,
917e948693eSPhilip Paeps 	__in_ecount(n)	uint8_t *key,
918e948693eSPhilip Paeps 	__in		size_t n)
919e948693eSPhilip Paeps {
920e948693eSPhilip Paeps 	efx_oword_t oword;
921e948693eSPhilip Paeps 	unsigned int byte;
922e948693eSPhilip Paeps 	unsigned int offset;
923460cb568SAndrew Rybchenko 	efx_rc_t rc;
924e948693eSPhilip Paeps 
925*82af879cSAndrew Rybchenko 	if (rss_context != EFX_RSS_CONTEXT_DEFAULT) {
926*82af879cSAndrew Rybchenko 		rc = EINVAL;
927*82af879cSAndrew Rybchenko 		goto fail1;
928*82af879cSAndrew Rybchenko 	}
929*82af879cSAndrew Rybchenko 
930e948693eSPhilip Paeps 	byte = 0;
931e948693eSPhilip Paeps 
9323c838a9fSAndrew Rybchenko 	/* Write Toeplitz IPv4 hash key */
933e948693eSPhilip Paeps 	EFX_ZERO_OWORD(oword);
934e948693eSPhilip Paeps 	for (offset = (FRF_BZ_RX_RSS_TKEY_LBN + FRF_BZ_RX_RSS_TKEY_WIDTH) / 8;
935e948693eSPhilip Paeps 	    offset > 0 && byte < n;
936e948693eSPhilip Paeps 	    --offset)
937e948693eSPhilip Paeps 		oword.eo_u8[offset - 1] = key[byte++];
938e948693eSPhilip Paeps 
939e948693eSPhilip Paeps 	EFX_BAR_WRITEO(enp, FR_BZ_RX_RSS_TKEY_REG, &oword);
940e948693eSPhilip Paeps 
941e948693eSPhilip Paeps 	byte = 0;
942e948693eSPhilip Paeps 
9433c838a9fSAndrew Rybchenko 	/* Verify Toeplitz IPv4 hash key */
944e948693eSPhilip Paeps 	EFX_BAR_READO(enp, FR_BZ_RX_RSS_TKEY_REG, &oword);
945e948693eSPhilip Paeps 	for (offset = (FRF_BZ_RX_RSS_TKEY_LBN + FRF_BZ_RX_RSS_TKEY_WIDTH) / 8;
946e948693eSPhilip Paeps 	    offset > 0 && byte < n;
947e948693eSPhilip Paeps 	    --offset) {
948e948693eSPhilip Paeps 		if (oword.eo_u8[offset - 1] != key[byte++]) {
949e948693eSPhilip Paeps 			rc = EFAULT;
950*82af879cSAndrew Rybchenko 			goto fail2;
951e948693eSPhilip Paeps 		}
952e948693eSPhilip Paeps 	}
953e948693eSPhilip Paeps 
9543c838a9fSAndrew Rybchenko 	if ((enp->en_features & EFX_FEATURE_IPV6) == 0)
9553c838a9fSAndrew Rybchenko 		goto done;
956e948693eSPhilip Paeps 
957e948693eSPhilip Paeps 	byte = 0;
958e948693eSPhilip Paeps 
9593c838a9fSAndrew Rybchenko 	/* Write Toeplitz IPv6 hash key 3 */
960e948693eSPhilip Paeps 	EFX_BAR_READO(enp, FR_CZ_RX_RSS_IPV6_REG3, &oword);
961e948693eSPhilip Paeps 	for (offset = (FRF_CZ_RX_RSS_IPV6_TKEY_HI_LBN +
962e948693eSPhilip Paeps 	    FRF_CZ_RX_RSS_IPV6_TKEY_HI_WIDTH) / 8;
963e948693eSPhilip Paeps 	    offset > 0 && byte < n;
964e948693eSPhilip Paeps 	    --offset)
965e948693eSPhilip Paeps 		oword.eo_u8[offset - 1] = key[byte++];
966e948693eSPhilip Paeps 
967e948693eSPhilip Paeps 	EFX_BAR_WRITEO(enp, FR_CZ_RX_RSS_IPV6_REG3, &oword);
968e948693eSPhilip Paeps 
9693c838a9fSAndrew Rybchenko 	/* Write Toeplitz IPv6 hash key 2 */
970e948693eSPhilip Paeps 	EFX_ZERO_OWORD(oword);
971e948693eSPhilip Paeps 	for (offset = (FRF_CZ_RX_RSS_IPV6_TKEY_MID_LBN +
972e948693eSPhilip Paeps 	    FRF_CZ_RX_RSS_IPV6_TKEY_MID_WIDTH) / 8;
973e948693eSPhilip Paeps 	    offset > 0 && byte < n;
974e948693eSPhilip Paeps 	    --offset)
975e948693eSPhilip Paeps 		oword.eo_u8[offset - 1] = key[byte++];
976e948693eSPhilip Paeps 
977e948693eSPhilip Paeps 	EFX_BAR_WRITEO(enp, FR_CZ_RX_RSS_IPV6_REG2, &oword);
978e948693eSPhilip Paeps 
9793c838a9fSAndrew Rybchenko 	/* Write Toeplitz IPv6 hash key 1 */
980e948693eSPhilip Paeps 	EFX_ZERO_OWORD(oword);
981e948693eSPhilip Paeps 	for (offset = (FRF_CZ_RX_RSS_IPV6_TKEY_LO_LBN +
982e948693eSPhilip Paeps 	    FRF_CZ_RX_RSS_IPV6_TKEY_LO_WIDTH) / 8;
983e948693eSPhilip Paeps 	    offset > 0 && byte < n;
984e948693eSPhilip Paeps 	    --offset)
985e948693eSPhilip Paeps 		oword.eo_u8[offset - 1] = key[byte++];
986e948693eSPhilip Paeps 
987e948693eSPhilip Paeps 	EFX_BAR_WRITEO(enp, FR_CZ_RX_RSS_IPV6_REG1, &oword);
988e948693eSPhilip Paeps 
989e948693eSPhilip Paeps 	byte = 0;
990e948693eSPhilip Paeps 
9913c838a9fSAndrew Rybchenko 	/* Verify Toeplitz IPv6 hash key 3 */
992e948693eSPhilip Paeps 	EFX_BAR_READO(enp, FR_CZ_RX_RSS_IPV6_REG3, &oword);
993e948693eSPhilip Paeps 	for (offset = (FRF_CZ_RX_RSS_IPV6_TKEY_HI_LBN +
994e948693eSPhilip Paeps 	    FRF_CZ_RX_RSS_IPV6_TKEY_HI_WIDTH) / 8;
995e948693eSPhilip Paeps 	    offset > 0 && byte < n;
996e948693eSPhilip Paeps 	    --offset) {
997e948693eSPhilip Paeps 		if (oword.eo_u8[offset - 1] != key[byte++]) {
998e948693eSPhilip Paeps 			rc = EFAULT;
999*82af879cSAndrew Rybchenko 			goto fail3;
1000e948693eSPhilip Paeps 		}
1001e948693eSPhilip Paeps 	}
1002e948693eSPhilip Paeps 
10033c838a9fSAndrew Rybchenko 	/* Verify Toeplitz IPv6 hash key 2 */
10043c838a9fSAndrew Rybchenko 	EFX_BAR_READO(enp, FR_CZ_RX_RSS_IPV6_REG2, &oword);
10053c838a9fSAndrew Rybchenko 	for (offset = (FRF_CZ_RX_RSS_IPV6_TKEY_MID_LBN +
10063c838a9fSAndrew Rybchenko 	    FRF_CZ_RX_RSS_IPV6_TKEY_MID_WIDTH) / 8;
1007e948693eSPhilip Paeps 	    offset > 0 && byte < n;
1008e948693eSPhilip Paeps 	    --offset) {
1009e948693eSPhilip Paeps 		if (oword.eo_u8[offset - 1] != key[byte++]) {
1010e948693eSPhilip Paeps 			rc = EFAULT;
1011*82af879cSAndrew Rybchenko 			goto fail4;
1012e948693eSPhilip Paeps 		}
1013e948693eSPhilip Paeps 	}
1014e948693eSPhilip Paeps 
10153c838a9fSAndrew Rybchenko 	/* Verify Toeplitz IPv6 hash key 1 */
10163c838a9fSAndrew Rybchenko 	EFX_BAR_READO(enp, FR_CZ_RX_RSS_IPV6_REG1, &oword);
10173c838a9fSAndrew Rybchenko 	for (offset = (FRF_CZ_RX_RSS_IPV6_TKEY_LO_LBN +
10183c838a9fSAndrew Rybchenko 	    FRF_CZ_RX_RSS_IPV6_TKEY_LO_WIDTH) / 8;
10193c838a9fSAndrew Rybchenko 	    offset > 0 && byte < n;
10203c838a9fSAndrew Rybchenko 	    --offset) {
10213c838a9fSAndrew Rybchenko 		if (oword.eo_u8[offset - 1] != key[byte++]) {
10223c838a9fSAndrew Rybchenko 			rc = EFAULT;
1023*82af879cSAndrew Rybchenko 			goto fail5;
10243c838a9fSAndrew Rybchenko 		}
10253c838a9fSAndrew Rybchenko 	}
10263c838a9fSAndrew Rybchenko 
10273c838a9fSAndrew Rybchenko done:
1028e948693eSPhilip Paeps 	return (0);
1029e948693eSPhilip Paeps 
1030*82af879cSAndrew Rybchenko fail5:
1031*82af879cSAndrew Rybchenko 	EFSYS_PROBE(fail5);
10323c838a9fSAndrew Rybchenko fail4:
10333c838a9fSAndrew Rybchenko 	EFSYS_PROBE(fail4);
1034e948693eSPhilip Paeps fail3:
1035e948693eSPhilip Paeps 	EFSYS_PROBE(fail3);
1036e948693eSPhilip Paeps fail2:
1037e948693eSPhilip Paeps 	EFSYS_PROBE(fail2);
1038e948693eSPhilip Paeps fail1:
1039460cb568SAndrew Rybchenko 	EFSYS_PROBE1(fail1, efx_rc_t, rc);
1040e948693eSPhilip Paeps 
1041e948693eSPhilip Paeps 	return (rc);
1042e948693eSPhilip Paeps }
1043e948693eSPhilip Paeps #endif
1044e948693eSPhilip Paeps 
1045e948693eSPhilip Paeps #if EFSYS_OPT_RX_SCALE
1046460cb568SAndrew Rybchenko static	__checkReturn	efx_rc_t
1047d2df9a4eSAndrew Rybchenko siena_rx_scale_tbl_set(
1048e948693eSPhilip Paeps 	__in		efx_nic_t *enp,
1049*82af879cSAndrew Rybchenko 	__in		uint32_t rss_context,
1050e948693eSPhilip Paeps 	__in_ecount(n)	unsigned int *table,
1051e948693eSPhilip Paeps 	__in		size_t n)
1052e948693eSPhilip Paeps {
1053e948693eSPhilip Paeps 	efx_oword_t oword;
1054e948693eSPhilip Paeps 	int index;
1055460cb568SAndrew Rybchenko 	efx_rc_t rc;
1056e948693eSPhilip Paeps 
1057e948693eSPhilip Paeps 	EFX_STATIC_ASSERT(EFX_RSS_TBL_SIZE == FR_BZ_RX_INDIRECTION_TBL_ROWS);
1058e948693eSPhilip Paeps 	EFX_STATIC_ASSERT(EFX_MAXRSS == (1 << FRF_BZ_IT_QUEUE_WIDTH));
1059e948693eSPhilip Paeps 
1060*82af879cSAndrew Rybchenko 	if (rss_context != EFX_RSS_CONTEXT_DEFAULT) {
1061e948693eSPhilip Paeps 		rc = EINVAL;
1062e948693eSPhilip Paeps 		goto fail1;
1063e948693eSPhilip Paeps 	}
1064e948693eSPhilip Paeps 
1065*82af879cSAndrew Rybchenko 	if (n > FR_BZ_RX_INDIRECTION_TBL_ROWS) {
1066*82af879cSAndrew Rybchenko 		rc = EINVAL;
1067*82af879cSAndrew Rybchenko 		goto fail2;
1068*82af879cSAndrew Rybchenko 	}
1069*82af879cSAndrew Rybchenko 
1070e948693eSPhilip Paeps 	for (index = 0; index < FR_BZ_RX_INDIRECTION_TBL_ROWS; index++) {
1071e948693eSPhilip Paeps 		uint32_t byte;
1072e948693eSPhilip Paeps 
1073e948693eSPhilip Paeps 		/* Calculate the entry to place in the table */
10743c838a9fSAndrew Rybchenko 		byte = (n > 0) ? (uint32_t)table[index % n] : 0;
1075e948693eSPhilip Paeps 
1076e948693eSPhilip Paeps 		EFSYS_PROBE2(table, int, index, uint32_t, byte);
1077e948693eSPhilip Paeps 
1078e948693eSPhilip Paeps 		EFX_POPULATE_OWORD_1(oword, FRF_BZ_IT_QUEUE, byte);
1079e948693eSPhilip Paeps 
1080e948693eSPhilip Paeps 		/* Write the table */
1081e948693eSPhilip Paeps 		EFX_BAR_TBL_WRITEO(enp, FR_BZ_RX_INDIRECTION_TBL,
10823c838a9fSAndrew Rybchenko 				    index, &oword, B_TRUE);
1083e948693eSPhilip Paeps 	}
1084e948693eSPhilip Paeps 
1085e948693eSPhilip Paeps 	for (index = FR_BZ_RX_INDIRECTION_TBL_ROWS - 1; index >= 0; --index) {
1086e948693eSPhilip Paeps 		uint32_t byte;
1087e948693eSPhilip Paeps 
1088e948693eSPhilip Paeps 		/* Determine if we're starting a new batch */
10893c838a9fSAndrew Rybchenko 		byte = (n > 0) ? (uint32_t)table[index % n] : 0;
1090e948693eSPhilip Paeps 
1091e948693eSPhilip Paeps 		/* Read the table */
1092e948693eSPhilip Paeps 		EFX_BAR_TBL_READO(enp, FR_BZ_RX_INDIRECTION_TBL,
10933c838a9fSAndrew Rybchenko 				    index, &oword, B_TRUE);
1094e948693eSPhilip Paeps 
1095e948693eSPhilip Paeps 		/* Verify the entry */
1096e948693eSPhilip Paeps 		if (EFX_OWORD_FIELD(oword, FRF_BZ_IT_QUEUE) != byte) {
1097e948693eSPhilip Paeps 			rc = EFAULT;
1098*82af879cSAndrew Rybchenko 			goto fail3;
1099e948693eSPhilip Paeps 		}
1100e948693eSPhilip Paeps 	}
1101e948693eSPhilip Paeps 
1102e948693eSPhilip Paeps 	return (0);
1103e948693eSPhilip Paeps 
1104*82af879cSAndrew Rybchenko fail3:
1105*82af879cSAndrew Rybchenko 	EFSYS_PROBE(fail3);
1106e948693eSPhilip Paeps fail2:
1107e948693eSPhilip Paeps 	EFSYS_PROBE(fail2);
1108e948693eSPhilip Paeps fail1:
1109460cb568SAndrew Rybchenko 	EFSYS_PROBE1(fail1, efx_rc_t, rc);
1110e948693eSPhilip Paeps 
1111e948693eSPhilip Paeps 	return (rc);
1112e948693eSPhilip Paeps }
1113e948693eSPhilip Paeps #endif
1114e948693eSPhilip Paeps 
11150badfd72SAndrew Rybchenko /*
111654c1459cSAndrew Rybchenko  * Falcon/Siena pseudo-header
11170badfd72SAndrew Rybchenko  * --------------------------
11180badfd72SAndrew Rybchenko  *
11190badfd72SAndrew Rybchenko  * Receive packets are prefixed by an optional 16 byte pseudo-header.
112054c1459cSAndrew Rybchenko  * The pseudo-header is a byte array of one of the forms:
11210badfd72SAndrew Rybchenko  *
11220badfd72SAndrew Rybchenko  *  0  1  2  3  4  5  6  7  8  9 10 11 12 13 14 15
11230badfd72SAndrew Rybchenko  * xx.xx.xx.xx.xx.xx.xx.xx.xx.xx.xx.xx.TT.TT.TT.TT
11240badfd72SAndrew Rybchenko  * xx.xx.xx.xx.xx.xx.xx.xx.xx.xx.xx.xx.xx.xx.LL.LL
11250badfd72SAndrew Rybchenko  *
11260badfd72SAndrew Rybchenko  * where:
11270badfd72SAndrew Rybchenko  *   TT.TT.TT.TT   Toeplitz hash (32-bit big-endian)
11280badfd72SAndrew Rybchenko  *   LL.LL         LFSR hash     (16-bit big-endian)
11290badfd72SAndrew Rybchenko  */
11300badfd72SAndrew Rybchenko 
11310badfd72SAndrew Rybchenko #if EFSYS_OPT_RX_SCALE
11320badfd72SAndrew Rybchenko static	__checkReturn	uint32_t
1133d2df9a4eSAndrew Rybchenko siena_rx_prefix_hash(
11340badfd72SAndrew Rybchenko 	__in		efx_nic_t *enp,
11350badfd72SAndrew Rybchenko 	__in		efx_rx_hash_alg_t func,
11360badfd72SAndrew Rybchenko 	__in		uint8_t *buffer)
11370badfd72SAndrew Rybchenko {
1138a92a2133SAndrew Rybchenko 	_NOTE(ARGUNUSED(enp))
1139a92a2133SAndrew Rybchenko 
11400badfd72SAndrew Rybchenko 	switch (func) {
11410badfd72SAndrew Rybchenko 	case EFX_RX_HASHALG_TOEPLITZ:
11420badfd72SAndrew Rybchenko 		return ((buffer[12] << 24) |
11430badfd72SAndrew Rybchenko 		    (buffer[13] << 16) |
11440badfd72SAndrew Rybchenko 		    (buffer[14] <<  8) |
11450badfd72SAndrew Rybchenko 		    buffer[15]);
11460badfd72SAndrew Rybchenko 
11470badfd72SAndrew Rybchenko 	case EFX_RX_HASHALG_LFSR:
11480badfd72SAndrew Rybchenko 		return ((buffer[14] << 8) | buffer[15]);
11490badfd72SAndrew Rybchenko 
11500badfd72SAndrew Rybchenko 	default:
11510badfd72SAndrew Rybchenko 		EFSYS_ASSERT(0);
11520badfd72SAndrew Rybchenko 		return (0);
11530badfd72SAndrew Rybchenko 	}
11540badfd72SAndrew Rybchenko }
11550badfd72SAndrew Rybchenko #endif /* EFSYS_OPT_RX_SCALE */
11560badfd72SAndrew Rybchenko 
11570badfd72SAndrew Rybchenko static	__checkReturn	efx_rc_t
1158d2df9a4eSAndrew Rybchenko siena_rx_prefix_pktlen(
11590badfd72SAndrew Rybchenko 	__in		efx_nic_t *enp,
11600badfd72SAndrew Rybchenko 	__in		uint8_t *buffer,
11610badfd72SAndrew Rybchenko 	__out		uint16_t *lengthp)
11620badfd72SAndrew Rybchenko {
1163a92a2133SAndrew Rybchenko 	_NOTE(ARGUNUSED(enp, buffer, lengthp))
1164a92a2133SAndrew Rybchenko 
11650badfd72SAndrew Rybchenko 	/* Not supported by Falcon/Siena hardware */
11660badfd72SAndrew Rybchenko 	EFSYS_ASSERT(0);
11670badfd72SAndrew Rybchenko 	return (ENOTSUP);
11680badfd72SAndrew Rybchenko }
11690badfd72SAndrew Rybchenko 
11700badfd72SAndrew Rybchenko 
11713c838a9fSAndrew Rybchenko static			void
1172d2df9a4eSAndrew Rybchenko siena_rx_qpost(
1173e948693eSPhilip Paeps 	__in		efx_rxq_t *erp,
1174e948693eSPhilip Paeps 	__in_ecount(n)	efsys_dma_addr_t *addrp,
1175e948693eSPhilip Paeps 	__in		size_t size,
1176e948693eSPhilip Paeps 	__in		unsigned int n,
1177e948693eSPhilip Paeps 	__in		unsigned int completed,
1178e948693eSPhilip Paeps 	__in		unsigned int added)
1179e948693eSPhilip Paeps {
1180e948693eSPhilip Paeps 	efx_qword_t qword;
1181e948693eSPhilip Paeps 	unsigned int i;
1182e948693eSPhilip Paeps 	unsigned int offset;
1183e948693eSPhilip Paeps 	unsigned int id;
1184e948693eSPhilip Paeps 
1185e948693eSPhilip Paeps 	/* The client driver must not overfill the queue */
1186e948693eSPhilip Paeps 	EFSYS_ASSERT3U(added - completed + n, <=,
1187e948693eSPhilip Paeps 	    EFX_RXQ_LIMIT(erp->er_mask + 1));
1188e948693eSPhilip Paeps 
1189e948693eSPhilip Paeps 	id = added & (erp->er_mask);
1190e948693eSPhilip Paeps 	for (i = 0; i < n; i++) {
1191e948693eSPhilip Paeps 		EFSYS_PROBE4(rx_post, unsigned int, erp->er_index,
1192e948693eSPhilip Paeps 		    unsigned int, id, efsys_dma_addr_t, addrp[i],
1193e948693eSPhilip Paeps 		    size_t, size);
1194e948693eSPhilip Paeps 
1195e948693eSPhilip Paeps 		EFX_POPULATE_QWORD_3(qword,
1196e948693eSPhilip Paeps 		    FSF_AZ_RX_KER_BUF_SIZE, (uint32_t)(size),
1197e948693eSPhilip Paeps 		    FSF_AZ_RX_KER_BUF_ADDR_DW0,
1198e948693eSPhilip Paeps 		    (uint32_t)(addrp[i] & 0xffffffff),
1199e948693eSPhilip Paeps 		    FSF_AZ_RX_KER_BUF_ADDR_DW1,
1200e948693eSPhilip Paeps 		    (uint32_t)(addrp[i] >> 32));
1201e948693eSPhilip Paeps 
1202e948693eSPhilip Paeps 		offset = id * sizeof (efx_qword_t);
1203e948693eSPhilip Paeps 		EFSYS_MEM_WRITEQ(erp->er_esmp, offset, &qword);
1204e948693eSPhilip Paeps 
1205e948693eSPhilip Paeps 		id = (id + 1) & (erp->er_mask);
1206e948693eSPhilip Paeps 	}
1207e948693eSPhilip Paeps }
1208e948693eSPhilip Paeps 
12093c838a9fSAndrew Rybchenko static			void
1210d2df9a4eSAndrew Rybchenko siena_rx_qpush(
1211e948693eSPhilip Paeps 	__in	efx_rxq_t *erp,
12123c838a9fSAndrew Rybchenko 	__in	unsigned int added,
12133c838a9fSAndrew Rybchenko 	__inout	unsigned int *pushedp)
1214e948693eSPhilip Paeps {
1215e948693eSPhilip Paeps 	efx_nic_t *enp = erp->er_enp;
12163c838a9fSAndrew Rybchenko 	unsigned int pushed = *pushedp;
1217e948693eSPhilip Paeps 	uint32_t wptr;
1218e948693eSPhilip Paeps 	efx_oword_t oword;
1219e948693eSPhilip Paeps 	efx_dword_t dword;
1220e948693eSPhilip Paeps 
12213c838a9fSAndrew Rybchenko 	/* All descriptors are pushed */
12223c838a9fSAndrew Rybchenko 	*pushedp = added;
1223e948693eSPhilip Paeps 
1224e948693eSPhilip Paeps 	/* Push the populated descriptors out */
1225e948693eSPhilip Paeps 	wptr = added & erp->er_mask;
1226e948693eSPhilip Paeps 
1227e948693eSPhilip Paeps 	EFX_POPULATE_OWORD_1(oword, FRF_AZ_RX_DESC_WPTR, wptr);
1228e948693eSPhilip Paeps 
1229e948693eSPhilip Paeps 	/* Only write the third DWORD */
1230e948693eSPhilip Paeps 	EFX_POPULATE_DWORD_1(dword,
1231e948693eSPhilip Paeps 	    EFX_DWORD_0, EFX_OWORD_FIELD(oword, EFX_DWORD_3));
12323c838a9fSAndrew Rybchenko 
12333c838a9fSAndrew Rybchenko 	/* Guarantee ordering of memory (descriptors) and PIO (doorbell) */
12343c838a9fSAndrew Rybchenko 	EFX_DMA_SYNC_QUEUE_FOR_DEVICE(erp->er_esmp, erp->er_mask + 1,
12353c838a9fSAndrew Rybchenko 	    wptr, pushed & erp->er_mask);
12363c838a9fSAndrew Rybchenko 	EFSYS_PIO_WRITE_BARRIER();
1237e948693eSPhilip Paeps 	EFX_BAR_TBL_WRITED3(enp, FR_BZ_RX_DESC_UPD_REGP0,
1238e948693eSPhilip Paeps 			    erp->er_index, &dword, B_FALSE);
1239e948693eSPhilip Paeps }
1240e948693eSPhilip Paeps 
12418e0c4827SAndrew Rybchenko #if EFSYS_OPT_RX_PACKED_STREAM
12428e0c4827SAndrew Rybchenko static		void
12438e0c4827SAndrew Rybchenko siena_rx_qpush_ps_credits(
12448e0c4827SAndrew Rybchenko 	__in		efx_rxq_t *erp)
12458e0c4827SAndrew Rybchenko {
12468e0c4827SAndrew Rybchenko 	/* Not supported by Siena hardware */
12478e0c4827SAndrew Rybchenko 	EFSYS_ASSERT(0);
12488e0c4827SAndrew Rybchenko }
12498e0c4827SAndrew Rybchenko 
12508e0c4827SAndrew Rybchenko static		uint8_t *
12518e0c4827SAndrew Rybchenko siena_rx_qps_packet_info(
12528e0c4827SAndrew Rybchenko 	__in		efx_rxq_t *erp,
12538e0c4827SAndrew Rybchenko 	__in		uint8_t *buffer,
12548e0c4827SAndrew Rybchenko 	__in		uint32_t buffer_length,
12558e0c4827SAndrew Rybchenko 	__in		uint32_t current_offset,
12568e0c4827SAndrew Rybchenko 	__out		uint16_t *lengthp,
12578e0c4827SAndrew Rybchenko 	__out		uint32_t *next_offsetp,
12588e0c4827SAndrew Rybchenko 	__out		uint32_t *timestamp)
12598e0c4827SAndrew Rybchenko {
12608e0c4827SAndrew Rybchenko 	/* Not supported by Siena hardware */
12618e0c4827SAndrew Rybchenko 	EFSYS_ASSERT(0);
12628e0c4827SAndrew Rybchenko 
12638e0c4827SAndrew Rybchenko 	return (NULL);
12648e0c4827SAndrew Rybchenko }
12658e0c4827SAndrew Rybchenko #endif /* EFSYS_OPT_RX_PACKED_STREAM */
12668e0c4827SAndrew Rybchenko 
1267460cb568SAndrew Rybchenko static	__checkReturn	efx_rc_t
1268d2df9a4eSAndrew Rybchenko siena_rx_qflush(
1269e948693eSPhilip Paeps 	__in	efx_rxq_t *erp)
1270e948693eSPhilip Paeps {
1271e948693eSPhilip Paeps 	efx_nic_t *enp = erp->er_enp;
1272e948693eSPhilip Paeps 	efx_oword_t oword;
1273e948693eSPhilip Paeps 	uint32_t label;
1274e948693eSPhilip Paeps 
1275e948693eSPhilip Paeps 	label = erp->er_index;
1276e948693eSPhilip Paeps 
1277e948693eSPhilip Paeps 	/* Flush the queue */
1278e948693eSPhilip Paeps 	EFX_POPULATE_OWORD_2(oword, FRF_AZ_RX_FLUSH_DESCQ_CMD, 1,
1279e948693eSPhilip Paeps 	    FRF_AZ_RX_FLUSH_DESCQ, label);
1280e948693eSPhilip Paeps 	EFX_BAR_WRITEO(enp, FR_AZ_RX_FLUSH_DESCQ_REG, &oword);
12813c838a9fSAndrew Rybchenko 
12823c838a9fSAndrew Rybchenko 	return (0);
1283e948693eSPhilip Paeps }
1284e948693eSPhilip Paeps 
12853c838a9fSAndrew Rybchenko static		void
1286d2df9a4eSAndrew Rybchenko siena_rx_qenable(
1287e948693eSPhilip Paeps 	__in	efx_rxq_t *erp)
1288e948693eSPhilip Paeps {
1289e948693eSPhilip Paeps 	efx_nic_t *enp = erp->er_enp;
1290e948693eSPhilip Paeps 	efx_oword_t oword;
1291e948693eSPhilip Paeps 
1292e948693eSPhilip Paeps 	EFSYS_ASSERT3U(erp->er_magic, ==, EFX_RXQ_MAGIC);
1293e948693eSPhilip Paeps 
1294e948693eSPhilip Paeps 	EFX_BAR_TBL_READO(enp, FR_AZ_RX_DESC_PTR_TBL,
12953c838a9fSAndrew Rybchenko 			    erp->er_index, &oword, B_TRUE);
1296e948693eSPhilip Paeps 
1297e948693eSPhilip Paeps 	EFX_SET_OWORD_FIELD(oword, FRF_AZ_RX_DC_HW_RPTR, 0);
1298e948693eSPhilip Paeps 	EFX_SET_OWORD_FIELD(oword, FRF_AZ_RX_DESCQ_HW_RPTR, 0);
1299e948693eSPhilip Paeps 	EFX_SET_OWORD_FIELD(oword, FRF_AZ_RX_DESCQ_EN, 1);
1300e948693eSPhilip Paeps 
1301e948693eSPhilip Paeps 	EFX_BAR_TBL_WRITEO(enp, FR_AZ_RX_DESC_PTR_TBL,
13023c838a9fSAndrew Rybchenko 			    erp->er_index, &oword, B_TRUE);
1303e948693eSPhilip Paeps }
1304e948693eSPhilip Paeps 
1305460cb568SAndrew Rybchenko static	__checkReturn	efx_rc_t
1306d2df9a4eSAndrew Rybchenko siena_rx_qcreate(
1307e948693eSPhilip Paeps 	__in		efx_nic_t *enp,
1308e948693eSPhilip Paeps 	__in		unsigned int index,
1309e948693eSPhilip Paeps 	__in		unsigned int label,
1310e948693eSPhilip Paeps 	__in		efx_rxq_type_t type,
1311e948693eSPhilip Paeps 	__in		efsys_mem_t *esmp,
1312e948693eSPhilip Paeps 	__in		size_t n,
1313e948693eSPhilip Paeps 	__in		uint32_t id,
1314e948693eSPhilip Paeps 	__in		efx_evq_t *eep,
13153c838a9fSAndrew Rybchenko 	__in		efx_rxq_t *erp)
1316e948693eSPhilip Paeps {
1317e948693eSPhilip Paeps 	efx_nic_cfg_t *encp = &(enp->en_nic_cfg);
1318e948693eSPhilip Paeps 	efx_oword_t oword;
1319e948693eSPhilip Paeps 	uint32_t size;
1320e948693eSPhilip Paeps 	boolean_t jumbo;
1321460cb568SAndrew Rybchenko 	efx_rc_t rc;
1322e948693eSPhilip Paeps 
1323a92a2133SAndrew Rybchenko 	_NOTE(ARGUNUSED(esmp))
1324a92a2133SAndrew Rybchenko 
13250ff23789SAndrew Rybchenko 	EFX_STATIC_ASSERT(EFX_EV_RX_NLABELS ==
13260ff23789SAndrew Rybchenko 	    (1 << FRF_AZ_RX_DESCQ_LABEL_WIDTH));
1327e948693eSPhilip Paeps 	EFSYS_ASSERT3U(label, <, EFX_EV_RX_NLABELS);
1328e948693eSPhilip Paeps 	EFSYS_ASSERT3U(enp->en_rx_qcount + 1, <, encp->enc_rxq_limit);
1329e948693eSPhilip Paeps 
13303c838a9fSAndrew Rybchenko 	EFX_STATIC_ASSERT(ISP2(EFX_RXQ_MAXNDESCS));
13313c838a9fSAndrew Rybchenko 	EFX_STATIC_ASSERT(ISP2(EFX_RXQ_MINNDESCS));
13323c838a9fSAndrew Rybchenko 
13333c838a9fSAndrew Rybchenko 	if (!ISP2(n) || (n < EFX_RXQ_MINNDESCS) || (n > EFX_RXQ_MAXNDESCS)) {
1334e948693eSPhilip Paeps 		rc = EINVAL;
1335e948693eSPhilip Paeps 		goto fail1;
1336e948693eSPhilip Paeps 	}
1337e948693eSPhilip Paeps 	if (index >= encp->enc_rxq_limit) {
1338e948693eSPhilip Paeps 		rc = EINVAL;
1339e948693eSPhilip Paeps 		goto fail2;
1340e948693eSPhilip Paeps 	}
1341e948693eSPhilip Paeps 	for (size = 0; (1 << size) <= (EFX_RXQ_MAXNDESCS / EFX_RXQ_MINNDESCS);
1342e948693eSPhilip Paeps 	    size++)
1343e948693eSPhilip Paeps 		if ((1 << size) == (int)(n / EFX_RXQ_MINNDESCS))
1344e948693eSPhilip Paeps 			break;
1345e948693eSPhilip Paeps 	if (id + (1 << size) >= encp->enc_buftbl_limit) {
1346e948693eSPhilip Paeps 		rc = EINVAL;
1347e948693eSPhilip Paeps 		goto fail3;
1348e948693eSPhilip Paeps 	}
1349e948693eSPhilip Paeps 
1350e948693eSPhilip Paeps 	switch (type) {
1351e948693eSPhilip Paeps 	case EFX_RXQ_TYPE_DEFAULT:
1352e948693eSPhilip Paeps 		jumbo = B_FALSE;
1353e948693eSPhilip Paeps 		break;
1354e948693eSPhilip Paeps 
1355e948693eSPhilip Paeps #if EFSYS_OPT_RX_SCATTER
1356e948693eSPhilip Paeps 	case EFX_RXQ_TYPE_SCATTER:
1357e948693eSPhilip Paeps 		if (enp->en_family < EFX_FAMILY_SIENA) {
1358e948693eSPhilip Paeps 			rc = EINVAL;
1359e948693eSPhilip Paeps 			goto fail4;
1360e948693eSPhilip Paeps 		}
1361e948693eSPhilip Paeps 		jumbo = B_TRUE;
1362e948693eSPhilip Paeps 		break;
1363e948693eSPhilip Paeps #endif	/* EFSYS_OPT_RX_SCATTER */
1364e948693eSPhilip Paeps 
1365e948693eSPhilip Paeps 	default:
1366e948693eSPhilip Paeps 		rc = EINVAL;
1367e948693eSPhilip Paeps 		goto fail4;
1368e948693eSPhilip Paeps 	}
1369e948693eSPhilip Paeps 
1370e948693eSPhilip Paeps 	/* Set up the new descriptor queue */
13711759d5d5SAndrew Rybchenko 	EFX_POPULATE_OWORD_7(oword,
1372e948693eSPhilip Paeps 	    FRF_AZ_RX_DESCQ_BUF_BASE_ID, id,
1373e948693eSPhilip Paeps 	    FRF_AZ_RX_DESCQ_EVQ_ID, eep->ee_index,
1374e948693eSPhilip Paeps 	    FRF_AZ_RX_DESCQ_OWNER_ID, 0,
1375e948693eSPhilip Paeps 	    FRF_AZ_RX_DESCQ_LABEL, label,
1376e948693eSPhilip Paeps 	    FRF_AZ_RX_DESCQ_SIZE, size,
1377e948693eSPhilip Paeps 	    FRF_AZ_RX_DESCQ_TYPE, 0,
1378e948693eSPhilip Paeps 	    FRF_AZ_RX_DESCQ_JUMBO, jumbo);
1379e948693eSPhilip Paeps 
1380e948693eSPhilip Paeps 	EFX_BAR_TBL_WRITEO(enp, FR_AZ_RX_DESC_PTR_TBL,
13813c838a9fSAndrew Rybchenko 			    erp->er_index, &oword, B_TRUE);
1382e948693eSPhilip Paeps 
1383e948693eSPhilip Paeps 	return (0);
1384e948693eSPhilip Paeps 
1385e948693eSPhilip Paeps fail4:
1386e948693eSPhilip Paeps 	EFSYS_PROBE(fail4);
1387e948693eSPhilip Paeps fail3:
1388e948693eSPhilip Paeps 	EFSYS_PROBE(fail3);
1389e948693eSPhilip Paeps fail2:
1390e948693eSPhilip Paeps 	EFSYS_PROBE(fail2);
1391e948693eSPhilip Paeps fail1:
1392460cb568SAndrew Rybchenko 	EFSYS_PROBE1(fail1, efx_rc_t, rc);
1393e948693eSPhilip Paeps 
1394e948693eSPhilip Paeps 	return (rc);
1395e948693eSPhilip Paeps }
1396e948693eSPhilip Paeps 
13973c838a9fSAndrew Rybchenko static		void
1398d2df9a4eSAndrew Rybchenko siena_rx_qdestroy(
1399e948693eSPhilip Paeps 	__in	efx_rxq_t *erp)
1400e948693eSPhilip Paeps {
1401e948693eSPhilip Paeps 	efx_nic_t *enp = erp->er_enp;
1402e948693eSPhilip Paeps 	efx_oword_t oword;
1403e948693eSPhilip Paeps 
1404e948693eSPhilip Paeps 	EFSYS_ASSERT(enp->en_rx_qcount != 0);
1405e948693eSPhilip Paeps 	--enp->en_rx_qcount;
1406e948693eSPhilip Paeps 
1407e948693eSPhilip Paeps 	/* Purge descriptor queue */
1408e948693eSPhilip Paeps 	EFX_ZERO_OWORD(oword);
1409e948693eSPhilip Paeps 
1410e948693eSPhilip Paeps 	EFX_BAR_TBL_WRITEO(enp, FR_AZ_RX_DESC_PTR_TBL,
14113c838a9fSAndrew Rybchenko 			    erp->er_index, &oword, B_TRUE);
1412e948693eSPhilip Paeps 
1413e948693eSPhilip Paeps 	/* Free the RXQ object */
1414e948693eSPhilip Paeps 	EFSYS_KMEM_FREE(enp->en_esip, sizeof (efx_rxq_t), erp);
1415e948693eSPhilip Paeps }
1416e948693eSPhilip Paeps 
14173c838a9fSAndrew Rybchenko static		void
1418d2df9a4eSAndrew Rybchenko siena_rx_fini(
1419e948693eSPhilip Paeps 	__in	efx_nic_t *enp)
1420e948693eSPhilip Paeps {
14213c838a9fSAndrew Rybchenko 	_NOTE(ARGUNUSED(enp))
1422e948693eSPhilip Paeps }
14233c838a9fSAndrew Rybchenko 
1424e75412c9SAndrew Rybchenko #endif /* EFSYS_OPT_SIENA */
1425