/* SPDX-License-Identifier: BSD-3-Clause * * Copyright (c) 2007-2018 Solarflare Communications Inc. * All rights reserved. */ #include "efx.h" #include "efx_impl.h" #if EFSYS_OPT_SIENA static __checkReturn efx_rc_t siena_rx_init( __in efx_nic_t *enp); static void siena_rx_fini( __in efx_nic_t *enp); #if EFSYS_OPT_RX_SCATTER static __checkReturn efx_rc_t siena_rx_scatter_enable( __in efx_nic_t *enp, __in unsigned int buf_size); #endif /* EFSYS_OPT_RX_SCATTER */ #if EFSYS_OPT_RX_SCALE static __checkReturn efx_rc_t siena_rx_scale_mode_set( __in efx_nic_t *enp, __in uint32_t rss_context, __in efx_rx_hash_alg_t alg, __in efx_rx_hash_type_t type, __in boolean_t insert); static __checkReturn efx_rc_t siena_rx_scale_key_set( __in efx_nic_t *enp, __in uint32_t rss_context, __in_ecount(n) uint8_t *key, __in size_t n); static __checkReturn efx_rc_t siena_rx_scale_tbl_set( __in efx_nic_t *enp, __in uint32_t rss_context, __in_ecount(n) unsigned int *table, __in size_t n); static __checkReturn uint32_t siena_rx_prefix_hash( __in efx_nic_t *enp, __in efx_rx_hash_alg_t func, __in uint8_t *buffer); #endif /* EFSYS_OPT_RX_SCALE */ static __checkReturn efx_rc_t siena_rx_prefix_pktlen( __in efx_nic_t *enp, __in uint8_t *buffer, __out uint16_t *lengthp); static void siena_rx_qpost( __in efx_rxq_t *erp, __in_ecount(ndescs) efsys_dma_addr_t *addrp, __in size_t size, __in unsigned int ndescs, __in unsigned int completed, __in unsigned int added); static void siena_rx_qpush( __in efx_rxq_t *erp, __in unsigned int added, __inout unsigned int *pushedp); #if EFSYS_OPT_RX_PACKED_STREAM static void siena_rx_qpush_ps_credits( __in efx_rxq_t *erp); static __checkReturn uint8_t * siena_rx_qps_packet_info( __in efx_rxq_t *erp, __in uint8_t *buffer, __in uint32_t buffer_length, __in uint32_t current_offset, __out uint16_t *lengthp, __out uint32_t *next_offsetp, __out uint32_t *timestamp); #endif static __checkReturn efx_rc_t siena_rx_qflush( __in efx_rxq_t *erp); static void siena_rx_qenable( __in efx_rxq_t *erp); static __checkReturn efx_rc_t siena_rx_qcreate( __in efx_nic_t *enp, __in unsigned int index, __in unsigned int label, __in efx_rxq_type_t type, __in const efx_rxq_type_data_t *type_data, __in efsys_mem_t *esmp, __in size_t ndescs, __in uint32_t id, __in unsigned int flags, __in efx_evq_t *eep, __in efx_rxq_t *erp); static void siena_rx_qdestroy( __in efx_rxq_t *erp); #endif /* EFSYS_OPT_SIENA */ #if EFSYS_OPT_SIENA static const efx_rx_ops_t __efx_rx_siena_ops = { siena_rx_init, /* erxo_init */ siena_rx_fini, /* erxo_fini */ #if EFSYS_OPT_RX_SCATTER siena_rx_scatter_enable, /* erxo_scatter_enable */ #endif #if EFSYS_OPT_RX_SCALE NULL, /* erxo_scale_context_alloc */ NULL, /* erxo_scale_context_free */ siena_rx_scale_mode_set, /* erxo_scale_mode_set */ siena_rx_scale_key_set, /* erxo_scale_key_set */ siena_rx_scale_tbl_set, /* erxo_scale_tbl_set */ siena_rx_prefix_hash, /* erxo_prefix_hash */ #endif siena_rx_prefix_pktlen, /* erxo_prefix_pktlen */ siena_rx_qpost, /* erxo_qpost */ siena_rx_qpush, /* erxo_qpush */ #if EFSYS_OPT_RX_PACKED_STREAM siena_rx_qpush_ps_credits, /* erxo_qpush_ps_credits */ siena_rx_qps_packet_info, /* erxo_qps_packet_info */ #endif siena_rx_qflush, /* erxo_qflush */ siena_rx_qenable, /* erxo_qenable */ siena_rx_qcreate, /* erxo_qcreate */ siena_rx_qdestroy, /* erxo_qdestroy */ }; #endif /* EFSYS_OPT_SIENA */ #if EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD || EFSYS_OPT_MEDFORD2 static const efx_rx_ops_t __efx_rx_ef10_ops = { ef10_rx_init, /* erxo_init */ ef10_rx_fini, /* erxo_fini */ #if EFSYS_OPT_RX_SCATTER ef10_rx_scatter_enable, /* erxo_scatter_enable */ #endif #if EFSYS_OPT_RX_SCALE ef10_rx_scale_context_alloc, /* erxo_scale_context_alloc */ ef10_rx_scale_context_free, /* erxo_scale_context_free */ ef10_rx_scale_mode_set, /* erxo_scale_mode_set */ ef10_rx_scale_key_set, /* erxo_scale_key_set */ ef10_rx_scale_tbl_set, /* erxo_scale_tbl_set */ ef10_rx_prefix_hash, /* erxo_prefix_hash */ #endif ef10_rx_prefix_pktlen, /* erxo_prefix_pktlen */ ef10_rx_qpost, /* erxo_qpost */ ef10_rx_qpush, /* erxo_qpush */ #if EFSYS_OPT_RX_PACKED_STREAM ef10_rx_qpush_ps_credits, /* erxo_qpush_ps_credits */ ef10_rx_qps_packet_info, /* erxo_qps_packet_info */ #endif ef10_rx_qflush, /* erxo_qflush */ ef10_rx_qenable, /* erxo_qenable */ ef10_rx_qcreate, /* erxo_qcreate */ ef10_rx_qdestroy, /* erxo_qdestroy */ }; #endif /* EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD || EFSYS_OPT_MEDFORD2 */ __checkReturn efx_rc_t efx_rx_init( __inout efx_nic_t *enp) { const efx_rx_ops_t *erxop; efx_rc_t rc; EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC); EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_NIC); if (!(enp->en_mod_flags & EFX_MOD_EV)) { rc = EINVAL; goto fail1; } if (enp->en_mod_flags & EFX_MOD_RX) { rc = EINVAL; goto fail2; } switch (enp->en_family) { #if EFSYS_OPT_SIENA case EFX_FAMILY_SIENA: erxop = &__efx_rx_siena_ops; break; #endif /* EFSYS_OPT_SIENA */ #if EFSYS_OPT_HUNTINGTON case EFX_FAMILY_HUNTINGTON: erxop = &__efx_rx_ef10_ops; break; #endif /* EFSYS_OPT_HUNTINGTON */ #if EFSYS_OPT_MEDFORD case EFX_FAMILY_MEDFORD: erxop = &__efx_rx_ef10_ops; break; #endif /* EFSYS_OPT_MEDFORD */ #if EFSYS_OPT_MEDFORD2 case EFX_FAMILY_MEDFORD2: erxop = &__efx_rx_ef10_ops; break; #endif /* EFSYS_OPT_MEDFORD2 */ default: EFSYS_ASSERT(0); rc = ENOTSUP; goto fail3; } if ((rc = erxop->erxo_init(enp)) != 0) goto fail4; enp->en_erxop = erxop; enp->en_mod_flags |= EFX_MOD_RX; return (0); fail4: EFSYS_PROBE(fail4); fail3: EFSYS_PROBE(fail3); fail2: EFSYS_PROBE(fail2); fail1: EFSYS_PROBE1(fail1, efx_rc_t, rc); enp->en_erxop = NULL; enp->en_mod_flags &= ~EFX_MOD_RX; return (rc); } void efx_rx_fini( __in efx_nic_t *enp) { const efx_rx_ops_t *erxop = enp->en_erxop; EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC); EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_NIC); EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_RX); EFSYS_ASSERT3U(enp->en_rx_qcount, ==, 0); erxop->erxo_fini(enp); enp->en_erxop = NULL; enp->en_mod_flags &= ~EFX_MOD_RX; } #if EFSYS_OPT_RX_SCATTER __checkReturn efx_rc_t efx_rx_scatter_enable( __in efx_nic_t *enp, __in unsigned int buf_size) { const efx_rx_ops_t *erxop = enp->en_erxop; efx_rc_t rc; EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC); EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_RX); if ((rc = erxop->erxo_scatter_enable(enp, buf_size)) != 0) goto fail1; return (0); fail1: EFSYS_PROBE1(fail1, efx_rc_t, rc); return (rc); } #endif /* EFSYS_OPT_RX_SCATTER */ #if EFSYS_OPT_RX_SCALE __checkReturn efx_rc_t efx_rx_scale_hash_flags_get( __in efx_nic_t *enp, __in efx_rx_hash_alg_t hash_alg, __inout_ecount(EFX_RX_HASH_NFLAGS) unsigned int *flags, __out unsigned int *nflagsp) { efx_nic_cfg_t *encp = &enp->en_nic_cfg; boolean_t l4; boolean_t additional_modes; unsigned int *entryp = flags; efx_rc_t rc; if (flags == NULL || nflagsp == NULL) { rc = EINVAL; goto fail1; } l4 = encp->enc_rx_scale_l4_hash_supported; additional_modes = encp->enc_rx_scale_additional_modes_supported; #define LIST_FLAGS(_entryp, _class, _l4_hashing, _additional_modes) \ do { \ if (_l4_hashing) { \ *(_entryp++) = EFX_RX_HASH(_class, 4TUPLE); \ \ if (_additional_modes) { \ *(_entryp++) = \ EFX_RX_HASH(_class, 2TUPLE_DST); \ *(_entryp++) = \ EFX_RX_HASH(_class, 2TUPLE_SRC); \ } \ } \ \ *(_entryp++) = EFX_RX_HASH(_class, 2TUPLE); \ \ if (_additional_modes) { \ *(_entryp++) = EFX_RX_HASH(_class, 1TUPLE_DST); \ *(_entryp++) = EFX_RX_HASH(_class, 1TUPLE_SRC); \ } \ \ *(_entryp++) = EFX_RX_HASH(_class, DISABLE); \ \ _NOTE(CONSTANTCONDITION) \ } while (B_FALSE) switch (hash_alg) { case EFX_RX_HASHALG_PACKED_STREAM: if ((encp->enc_rx_scale_hash_alg_mask & (1U << hash_alg)) == 0) break; /* FALLTHRU */ case EFX_RX_HASHALG_TOEPLITZ: if ((encp->enc_rx_scale_hash_alg_mask & (1U << hash_alg)) == 0) break; LIST_FLAGS(entryp, IPV4_TCP, l4, additional_modes); LIST_FLAGS(entryp, IPV6_TCP, l4, additional_modes); if (additional_modes) { LIST_FLAGS(entryp, IPV4_UDP, l4, additional_modes); LIST_FLAGS(entryp, IPV6_UDP, l4, additional_modes); } LIST_FLAGS(entryp, IPV4, B_FALSE, additional_modes); LIST_FLAGS(entryp, IPV6, B_FALSE, additional_modes); break; default: rc = EINVAL; goto fail2; } #undef LIST_FLAGS *nflagsp = (unsigned int)(entryp - flags); EFSYS_ASSERT3U(*nflagsp, <=, EFX_RX_HASH_NFLAGS); return (0); fail2: EFSYS_PROBE(fail2); fail1: EFSYS_PROBE1(fail1, efx_rc_t, rc); return (rc); } __checkReturn efx_rc_t efx_rx_hash_default_support_get( __in efx_nic_t *enp, __out efx_rx_hash_support_t *supportp) { efx_rc_t rc; EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC); EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_RX); if (supportp == NULL) { rc = EINVAL; goto fail1; } /* * Report the hashing support the client gets by default if it * does not allocate an RSS context itself. */ *supportp = enp->en_hash_support; return (0); fail1: EFSYS_PROBE1(fail1, efx_rc_t, rc); return (rc); } __checkReturn efx_rc_t efx_rx_scale_default_support_get( __in efx_nic_t *enp, __out efx_rx_scale_context_type_t *typep) { efx_rc_t rc; EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC); EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_RX); if (typep == NULL) { rc = EINVAL; goto fail1; } /* * Report the RSS support the client gets by default if it * does not allocate an RSS context itself. */ *typep = enp->en_rss_context_type; return (0); fail1: EFSYS_PROBE1(fail1, efx_rc_t, rc); return (rc); } #endif /* EFSYS_OPT_RX_SCALE */ #if EFSYS_OPT_RX_SCALE __checkReturn efx_rc_t efx_rx_scale_context_alloc( __in efx_nic_t *enp, __in efx_rx_scale_context_type_t type, __in uint32_t num_queues, __out uint32_t *rss_contextp) { const efx_rx_ops_t *erxop = enp->en_erxop; efx_rc_t rc; EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC); EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_RX); if (erxop->erxo_scale_context_alloc == NULL) { rc = ENOTSUP; goto fail1; } if ((rc = erxop->erxo_scale_context_alloc(enp, type, num_queues, rss_contextp)) != 0) { goto fail2; } return (0); fail2: EFSYS_PROBE(fail2); fail1: EFSYS_PROBE1(fail1, efx_rc_t, rc); return (rc); } #endif /* EFSYS_OPT_RX_SCALE */ #if EFSYS_OPT_RX_SCALE __checkReturn efx_rc_t efx_rx_scale_context_free( __in efx_nic_t *enp, __in uint32_t rss_context) { const efx_rx_ops_t *erxop = enp->en_erxop; efx_rc_t rc; EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC); EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_RX); if (erxop->erxo_scale_context_free == NULL) { rc = ENOTSUP; goto fail1; } if ((rc = erxop->erxo_scale_context_free(enp, rss_context)) != 0) goto fail2; return (0); fail2: EFSYS_PROBE(fail2); fail1: EFSYS_PROBE1(fail1, efx_rc_t, rc); return (rc); } #endif /* EFSYS_OPT_RX_SCALE */ #if EFSYS_OPT_RX_SCALE __checkReturn efx_rc_t efx_rx_scale_mode_set( __in efx_nic_t *enp, __in uint32_t rss_context, __in efx_rx_hash_alg_t alg, __in efx_rx_hash_type_t type, __in boolean_t insert) { const efx_rx_ops_t *erxop = enp->en_erxop; unsigned int type_flags[EFX_RX_HASH_NFLAGS]; unsigned int type_nflags; efx_rx_hash_type_t type_check; unsigned int i; efx_rc_t rc; EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC); EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_RX); /* * Legacy flags and modern bits cannot be * used at the same time in the hash type. */ if ((type & EFX_RX_HASH_LEGACY_MASK) && (type & ~EFX_RX_HASH_LEGACY_MASK)) { rc = EINVAL; goto fail1; } /* * Translate legacy flags to the new representation * so that chip-specific handlers will consider the * new flags only. */ if (type & EFX_RX_HASH_IPV4) { type |= EFX_RX_HASH(IPV4, 2TUPLE); type |= EFX_RX_HASH(IPV4_TCP, 2TUPLE); type |= EFX_RX_HASH(IPV4_UDP, 2TUPLE); } if (type & EFX_RX_HASH_TCPIPV4) type |= EFX_RX_HASH(IPV4_TCP, 4TUPLE); if (type & EFX_RX_HASH_IPV6) { type |= EFX_RX_HASH(IPV6, 2TUPLE); type |= EFX_RX_HASH(IPV6_TCP, 2TUPLE); type |= EFX_RX_HASH(IPV6_UDP, 2TUPLE); } if (type & EFX_RX_HASH_TCPIPV6) type |= EFX_RX_HASH(IPV6_TCP, 4TUPLE); type &= ~EFX_RX_HASH_LEGACY_MASK; type_check = type; /* * Get the list of supported hash flags and sanitise the input. */ rc = efx_rx_scale_hash_flags_get(enp, alg, type_flags, &type_nflags); if (rc != 0) goto fail2; for (i = 0; i < type_nflags; ++i) { if ((type_check & type_flags[i]) == type_flags[i]) type_check &= ~(type_flags[i]); } if (type_check != 0) { rc = EINVAL; goto fail3; } if (erxop->erxo_scale_mode_set != NULL) { if ((rc = erxop->erxo_scale_mode_set(enp, rss_context, alg, type, insert)) != 0) goto fail4; } return (0); fail4: EFSYS_PROBE(fail4); fail3: EFSYS_PROBE(fail3); fail2: EFSYS_PROBE(fail2); fail1: EFSYS_PROBE1(fail1, efx_rc_t, rc); return (rc); } #endif /* EFSYS_OPT_RX_SCALE */ #if EFSYS_OPT_RX_SCALE __checkReturn efx_rc_t efx_rx_scale_key_set( __in efx_nic_t *enp, __in uint32_t rss_context, __in_ecount(n) uint8_t *key, __in size_t n) { const efx_rx_ops_t *erxop = enp->en_erxop; efx_rc_t rc; EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC); EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_RX); if ((rc = erxop->erxo_scale_key_set(enp, rss_context, key, n)) != 0) goto fail1; return (0); fail1: EFSYS_PROBE1(fail1, efx_rc_t, rc); return (rc); } #endif /* EFSYS_OPT_RX_SCALE */ #if EFSYS_OPT_RX_SCALE __checkReturn efx_rc_t efx_rx_scale_tbl_set( __in efx_nic_t *enp, __in uint32_t rss_context, __in_ecount(n) unsigned int *table, __in size_t n) { const efx_rx_ops_t *erxop = enp->en_erxop; efx_rc_t rc; EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC); EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_RX); if ((rc = erxop->erxo_scale_tbl_set(enp, rss_context, table, n)) != 0) goto fail1; return (0); fail1: EFSYS_PROBE1(fail1, efx_rc_t, rc); return (rc); } #endif /* EFSYS_OPT_RX_SCALE */ void efx_rx_qpost( __in efx_rxq_t *erp, __in_ecount(ndescs) efsys_dma_addr_t *addrp, __in size_t size, __in unsigned int ndescs, __in unsigned int completed, __in unsigned int added) { efx_nic_t *enp = erp->er_enp; const efx_rx_ops_t *erxop = enp->en_erxop; EFSYS_ASSERT3U(erp->er_magic, ==, EFX_RXQ_MAGIC); erxop->erxo_qpost(erp, addrp, size, ndescs, completed, added); } #if EFSYS_OPT_RX_PACKED_STREAM void efx_rx_qpush_ps_credits( __in efx_rxq_t *erp) { efx_nic_t *enp = erp->er_enp; const efx_rx_ops_t *erxop = enp->en_erxop; EFSYS_ASSERT3U(erp->er_magic, ==, EFX_RXQ_MAGIC); erxop->erxo_qpush_ps_credits(erp); } __checkReturn uint8_t * efx_rx_qps_packet_info( __in efx_rxq_t *erp, __in uint8_t *buffer, __in uint32_t buffer_length, __in uint32_t current_offset, __out uint16_t *lengthp, __out uint32_t *next_offsetp, __out uint32_t *timestamp) { efx_nic_t *enp = erp->er_enp; const efx_rx_ops_t *erxop = enp->en_erxop; return (erxop->erxo_qps_packet_info(erp, buffer, buffer_length, current_offset, lengthp, next_offsetp, timestamp)); } #endif /* EFSYS_OPT_RX_PACKED_STREAM */ void efx_rx_qpush( __in efx_rxq_t *erp, __in unsigned int added, __inout unsigned int *pushedp) { efx_nic_t *enp = erp->er_enp; const efx_rx_ops_t *erxop = enp->en_erxop; EFSYS_ASSERT3U(erp->er_magic, ==, EFX_RXQ_MAGIC); erxop->erxo_qpush(erp, added, pushedp); } __checkReturn efx_rc_t efx_rx_qflush( __in efx_rxq_t *erp) { efx_nic_t *enp = erp->er_enp; const efx_rx_ops_t *erxop = enp->en_erxop; efx_rc_t rc; EFSYS_ASSERT3U(erp->er_magic, ==, EFX_RXQ_MAGIC); if ((rc = erxop->erxo_qflush(erp)) != 0) goto fail1; return (0); fail1: EFSYS_PROBE1(fail1, efx_rc_t, rc); return (rc); } void efx_rx_qenable( __in efx_rxq_t *erp) { efx_nic_t *enp = erp->er_enp; const efx_rx_ops_t *erxop = enp->en_erxop; EFSYS_ASSERT3U(erp->er_magic, ==, EFX_RXQ_MAGIC); erxop->erxo_qenable(erp); } static __checkReturn efx_rc_t efx_rx_qcreate_internal( __in efx_nic_t *enp, __in unsigned int index, __in unsigned int label, __in efx_rxq_type_t type, __in const efx_rxq_type_data_t *type_data, __in efsys_mem_t *esmp, __in size_t ndescs, __in uint32_t id, __in unsigned int flags, __in efx_evq_t *eep, __deref_out efx_rxq_t **erpp) { const efx_rx_ops_t *erxop = enp->en_erxop; efx_rxq_t *erp; efx_rc_t rc; EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC); EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_RX); /* Allocate an RXQ object */ EFSYS_KMEM_ALLOC(enp->en_esip, sizeof (efx_rxq_t), erp); if (erp == NULL) { rc = ENOMEM; goto fail1; } erp->er_magic = EFX_RXQ_MAGIC; erp->er_enp = enp; erp->er_index = index; erp->er_mask = ndescs - 1; erp->er_esmp = esmp; if ((rc = erxop->erxo_qcreate(enp, index, label, type, type_data, esmp, ndescs, id, flags, eep, erp)) != 0) goto fail2; enp->en_rx_qcount++; *erpp = erp; return (0); fail2: EFSYS_PROBE(fail2); EFSYS_KMEM_FREE(enp->en_esip, sizeof (efx_rxq_t), erp); fail1: EFSYS_PROBE1(fail1, efx_rc_t, rc); return (rc); } __checkReturn efx_rc_t efx_rx_qcreate( __in efx_nic_t *enp, __in unsigned int index, __in unsigned int label, __in efx_rxq_type_t type, __in efsys_mem_t *esmp, __in size_t ndescs, __in uint32_t id, __in unsigned int flags, __in efx_evq_t *eep, __deref_out efx_rxq_t **erpp) { return efx_rx_qcreate_internal(enp, index, label, type, NULL, esmp, ndescs, id, flags, eep, erpp); } #if EFSYS_OPT_RX_PACKED_STREAM __checkReturn efx_rc_t efx_rx_qcreate_packed_stream( __in efx_nic_t *enp, __in unsigned int index, __in unsigned int label, __in uint32_t ps_buf_size, __in efsys_mem_t *esmp, __in size_t ndescs, __in efx_evq_t *eep, __deref_out efx_rxq_t **erpp) { efx_rxq_type_data_t type_data; memset(&type_data, 0, sizeof(type_data)); type_data.ertd_packed_stream.eps_buf_size = ps_buf_size; return efx_rx_qcreate_internal(enp, index, label, EFX_RXQ_TYPE_PACKED_STREAM, &type_data, esmp, ndescs, 0 /* id unused on EF10 */, EFX_RXQ_FLAG_NONE, eep, erpp); } #endif #if EFSYS_OPT_RX_ES_SUPER_BUFFER __checkReturn efx_rc_t efx_rx_qcreate_es_super_buffer( __in efx_nic_t *enp, __in unsigned int index, __in unsigned int label, __in uint32_t n_bufs_per_desc, __in uint32_t max_dma_len, __in uint32_t buf_stride, __in uint32_t hol_block_timeout, __in efsys_mem_t *esmp, __in size_t ndescs, __in unsigned int flags, __in efx_evq_t *eep, __deref_out efx_rxq_t **erpp) { efx_rc_t rc; efx_rxq_type_data_t type_data; if (hol_block_timeout > EFX_RXQ_ES_SUPER_BUFFER_HOL_BLOCK_MAX) { rc = EINVAL; goto fail1; } memset(&type_data, 0, sizeof(type_data)); type_data.ertd_es_super_buffer.eessb_bufs_per_desc = n_bufs_per_desc; type_data.ertd_es_super_buffer.eessb_max_dma_len = max_dma_len; type_data.ertd_es_super_buffer.eessb_buf_stride = buf_stride; type_data.ertd_es_super_buffer.eessb_hol_block_timeout = hol_block_timeout; rc = efx_rx_qcreate_internal(enp, index, label, EFX_RXQ_TYPE_ES_SUPER_BUFFER, &type_data, esmp, ndescs, 0 /* id unused on EF10 */, flags, eep, erpp); if (rc != 0) goto fail2; return (0); fail2: EFSYS_PROBE(fail2); fail1: EFSYS_PROBE1(fail1, efx_rc_t, rc); return (rc); } #endif void efx_rx_qdestroy( __in efx_rxq_t *erp) { efx_nic_t *enp = erp->er_enp; const efx_rx_ops_t *erxop = enp->en_erxop; EFSYS_ASSERT3U(erp->er_magic, ==, EFX_RXQ_MAGIC); erxop->erxo_qdestroy(erp); } __checkReturn efx_rc_t efx_pseudo_hdr_pkt_length_get( __in efx_rxq_t *erp, __in uint8_t *buffer, __out uint16_t *lengthp) { efx_nic_t *enp = erp->er_enp; const efx_rx_ops_t *erxop = enp->en_erxop; EFSYS_ASSERT3U(erp->er_magic, ==, EFX_RXQ_MAGIC); return (erxop->erxo_prefix_pktlen(enp, buffer, lengthp)); } #if EFSYS_OPT_RX_SCALE __checkReturn uint32_t efx_pseudo_hdr_hash_get( __in efx_rxq_t *erp, __in efx_rx_hash_alg_t func, __in uint8_t *buffer) { efx_nic_t *enp = erp->er_enp; const efx_rx_ops_t *erxop = enp->en_erxop; EFSYS_ASSERT3U(erp->er_magic, ==, EFX_RXQ_MAGIC); EFSYS_ASSERT3U(enp->en_hash_support, ==, EFX_RX_HASH_AVAILABLE); return (erxop->erxo_prefix_hash(enp, func, buffer)); } #endif /* EFSYS_OPT_RX_SCALE */ #if EFSYS_OPT_SIENA static __checkReturn efx_rc_t siena_rx_init( __in efx_nic_t *enp) { efx_oword_t oword; unsigned int index; EFX_BAR_READO(enp, FR_AZ_RX_CFG_REG, &oword); EFX_SET_OWORD_FIELD(oword, FRF_BZ_RX_DESC_PUSH_EN, 0); EFX_SET_OWORD_FIELD(oword, FRF_BZ_RX_HASH_ALG, 0); EFX_SET_OWORD_FIELD(oword, FRF_BZ_RX_IP_HASH, 0); EFX_SET_OWORD_FIELD(oword, FRF_BZ_RX_TCP_SUP, 0); EFX_SET_OWORD_FIELD(oword, FRF_BZ_RX_HASH_INSRT_HDR, 0); EFX_SET_OWORD_FIELD(oword, FRF_BZ_RX_USR_BUF_SIZE, 0x3000 / 32); EFX_BAR_WRITEO(enp, FR_AZ_RX_CFG_REG, &oword); /* Zero the RSS table */ for (index = 0; index < FR_BZ_RX_INDIRECTION_TBL_ROWS; index++) { EFX_ZERO_OWORD(oword); EFX_BAR_TBL_WRITEO(enp, FR_BZ_RX_INDIRECTION_TBL, index, &oword, B_TRUE); } #if EFSYS_OPT_RX_SCALE /* The RSS key and indirection table are writable. */ enp->en_rss_context_type = EFX_RX_SCALE_EXCLUSIVE; /* Hardware can insert RX hash with/without RSS */ enp->en_hash_support = EFX_RX_HASH_AVAILABLE; #endif /* EFSYS_OPT_RX_SCALE */ return (0); } #if EFSYS_OPT_RX_SCATTER static __checkReturn efx_rc_t siena_rx_scatter_enable( __in efx_nic_t *enp, __in unsigned int buf_size) { unsigned int nbuf32; efx_oword_t oword; efx_rc_t rc; nbuf32 = buf_size / 32; if ((nbuf32 == 0) || (nbuf32 >= (1 << FRF_BZ_RX_USR_BUF_SIZE_WIDTH)) || ((buf_size % 32) != 0)) { rc = EINVAL; goto fail1; } if (enp->en_rx_qcount > 0) { rc = EBUSY; goto fail2; } /* Set scatter buffer size */ EFX_BAR_READO(enp, FR_AZ_RX_CFG_REG, &oword); EFX_SET_OWORD_FIELD(oword, FRF_BZ_RX_USR_BUF_SIZE, nbuf32); EFX_BAR_WRITEO(enp, FR_AZ_RX_CFG_REG, &oword); /* Enable scatter for packets not matching a filter */ EFX_BAR_READO(enp, FR_AZ_RX_FILTER_CTL_REG, &oword); EFX_SET_OWORD_FIELD(oword, FRF_BZ_SCATTER_ENBL_NO_MATCH_Q, 1); EFX_BAR_WRITEO(enp, FR_AZ_RX_FILTER_CTL_REG, &oword); return (0); fail2: EFSYS_PROBE(fail2); fail1: EFSYS_PROBE1(fail1, efx_rc_t, rc); return (rc); } #endif /* EFSYS_OPT_RX_SCATTER */ #define EFX_RX_LFSR_HASH(_enp, _insert) \ do { \ efx_oword_t oword; \ \ EFX_BAR_READO((_enp), FR_AZ_RX_CFG_REG, &oword); \ EFX_SET_OWORD_FIELD(oword, FRF_BZ_RX_HASH_ALG, 0); \ EFX_SET_OWORD_FIELD(oword, FRF_BZ_RX_IP_HASH, 0); \ EFX_SET_OWORD_FIELD(oword, FRF_BZ_RX_TCP_SUP, 0); \ EFX_SET_OWORD_FIELD(oword, FRF_BZ_RX_HASH_INSRT_HDR, \ (_insert) ? 1 : 0); \ EFX_BAR_WRITEO((_enp), FR_AZ_RX_CFG_REG, &oword); \ \ if ((_enp)->en_family == EFX_FAMILY_SIENA) { \ EFX_BAR_READO((_enp), FR_CZ_RX_RSS_IPV6_REG3, \ &oword); \ EFX_SET_OWORD_FIELD(oword, \ FRF_CZ_RX_RSS_IPV6_THASH_ENABLE, 0); \ EFX_BAR_WRITEO((_enp), FR_CZ_RX_RSS_IPV6_REG3, \ &oword); \ } \ \ _NOTE(CONSTANTCONDITION) \ } while (B_FALSE) #define EFX_RX_TOEPLITZ_IPV4_HASH(_enp, _insert, _ip, _tcp) \ do { \ efx_oword_t oword; \ \ EFX_BAR_READO((_enp), FR_AZ_RX_CFG_REG, &oword); \ EFX_SET_OWORD_FIELD(oword, FRF_BZ_RX_HASH_ALG, 1); \ EFX_SET_OWORD_FIELD(oword, FRF_BZ_RX_IP_HASH, \ (_ip) ? 1 : 0); \ EFX_SET_OWORD_FIELD(oword, FRF_BZ_RX_TCP_SUP, \ (_tcp) ? 0 : 1); \ EFX_SET_OWORD_FIELD(oword, FRF_BZ_RX_HASH_INSRT_HDR, \ (_insert) ? 1 : 0); \ EFX_BAR_WRITEO((_enp), FR_AZ_RX_CFG_REG, &oword); \ \ _NOTE(CONSTANTCONDITION) \ } while (B_FALSE) #define EFX_RX_TOEPLITZ_IPV6_HASH(_enp, _ip, _tcp, _rc) \ do { \ efx_oword_t oword; \ \ EFX_BAR_READO((_enp), FR_CZ_RX_RSS_IPV6_REG3, &oword); \ EFX_SET_OWORD_FIELD(oword, \ FRF_CZ_RX_RSS_IPV6_THASH_ENABLE, 1); \ EFX_SET_OWORD_FIELD(oword, \ FRF_CZ_RX_RSS_IPV6_IP_THASH_ENABLE, (_ip) ? 1 : 0); \ EFX_SET_OWORD_FIELD(oword, \ FRF_CZ_RX_RSS_IPV6_TCP_SUPPRESS, (_tcp) ? 0 : 1); \ EFX_BAR_WRITEO((_enp), FR_CZ_RX_RSS_IPV6_REG3, &oword); \ \ (_rc) = 0; \ \ _NOTE(CONSTANTCONDITION) \ } while (B_FALSE) #if EFSYS_OPT_RX_SCALE static __checkReturn efx_rc_t siena_rx_scale_mode_set( __in efx_nic_t *enp, __in uint32_t rss_context, __in efx_rx_hash_alg_t alg, __in efx_rx_hash_type_t type, __in boolean_t insert) { efx_rx_hash_type_t type_ipv4 = EFX_RX_HASH(IPV4, 2TUPLE); efx_rx_hash_type_t type_ipv4_tcp = EFX_RX_HASH(IPV4_TCP, 4TUPLE); efx_rx_hash_type_t type_ipv6 = EFX_RX_HASH(IPV6, 2TUPLE); efx_rx_hash_type_t type_ipv6_tcp = EFX_RX_HASH(IPV6_TCP, 4TUPLE); efx_rc_t rc; if (rss_context != EFX_RSS_CONTEXT_DEFAULT) { rc = EINVAL; goto fail1; } switch (alg) { case EFX_RX_HASHALG_LFSR: EFX_RX_LFSR_HASH(enp, insert); break; case EFX_RX_HASHALG_TOEPLITZ: EFX_RX_TOEPLITZ_IPV4_HASH(enp, insert, (type & type_ipv4) == type_ipv4, (type & type_ipv4_tcp) == type_ipv4_tcp); EFX_RX_TOEPLITZ_IPV6_HASH(enp, (type & type_ipv6) == type_ipv6, (type & type_ipv6_tcp) == type_ipv6_tcp, rc); if (rc != 0) goto fail2; break; default: rc = EINVAL; goto fail3; } return (0); fail3: EFSYS_PROBE(fail3); fail2: EFSYS_PROBE(fail2); fail1: EFSYS_PROBE1(fail1, efx_rc_t, rc); EFX_RX_LFSR_HASH(enp, B_FALSE); return (rc); } #endif #if EFSYS_OPT_RX_SCALE static __checkReturn efx_rc_t siena_rx_scale_key_set( __in efx_nic_t *enp, __in uint32_t rss_context, __in_ecount(n) uint8_t *key, __in size_t n) { efx_oword_t oword; unsigned int byte; unsigned int offset; efx_rc_t rc; if (rss_context != EFX_RSS_CONTEXT_DEFAULT) { rc = EINVAL; goto fail1; } byte = 0; /* Write Toeplitz IPv4 hash key */ EFX_ZERO_OWORD(oword); for (offset = (FRF_BZ_RX_RSS_TKEY_LBN + FRF_BZ_RX_RSS_TKEY_WIDTH) / 8; offset > 0 && byte < n; --offset) oword.eo_u8[offset - 1] = key[byte++]; EFX_BAR_WRITEO(enp, FR_BZ_RX_RSS_TKEY_REG, &oword); byte = 0; /* Verify Toeplitz IPv4 hash key */ EFX_BAR_READO(enp, FR_BZ_RX_RSS_TKEY_REG, &oword); for (offset = (FRF_BZ_RX_RSS_TKEY_LBN + FRF_BZ_RX_RSS_TKEY_WIDTH) / 8; offset > 0 && byte < n; --offset) { if (oword.eo_u8[offset - 1] != key[byte++]) { rc = EFAULT; goto fail2; } } if ((enp->en_features & EFX_FEATURE_IPV6) == 0) goto done; byte = 0; /* Write Toeplitz IPv6 hash key 3 */ EFX_BAR_READO(enp, FR_CZ_RX_RSS_IPV6_REG3, &oword); for (offset = (FRF_CZ_RX_RSS_IPV6_TKEY_HI_LBN + FRF_CZ_RX_RSS_IPV6_TKEY_HI_WIDTH) / 8; offset > 0 && byte < n; --offset) oword.eo_u8[offset - 1] = key[byte++]; EFX_BAR_WRITEO(enp, FR_CZ_RX_RSS_IPV6_REG3, &oword); /* Write Toeplitz IPv6 hash key 2 */ EFX_ZERO_OWORD(oword); for (offset = (FRF_CZ_RX_RSS_IPV6_TKEY_MID_LBN + FRF_CZ_RX_RSS_IPV6_TKEY_MID_WIDTH) / 8; offset > 0 && byte < n; --offset) oword.eo_u8[offset - 1] = key[byte++]; EFX_BAR_WRITEO(enp, FR_CZ_RX_RSS_IPV6_REG2, &oword); /* Write Toeplitz IPv6 hash key 1 */ EFX_ZERO_OWORD(oword); for (offset = (FRF_CZ_RX_RSS_IPV6_TKEY_LO_LBN + FRF_CZ_RX_RSS_IPV6_TKEY_LO_WIDTH) / 8; offset > 0 && byte < n; --offset) oword.eo_u8[offset - 1] = key[byte++]; EFX_BAR_WRITEO(enp, FR_CZ_RX_RSS_IPV6_REG1, &oword); byte = 0; /* Verify Toeplitz IPv6 hash key 3 */ EFX_BAR_READO(enp, FR_CZ_RX_RSS_IPV6_REG3, &oword); for (offset = (FRF_CZ_RX_RSS_IPV6_TKEY_HI_LBN + FRF_CZ_RX_RSS_IPV6_TKEY_HI_WIDTH) / 8; offset > 0 && byte < n; --offset) { if (oword.eo_u8[offset - 1] != key[byte++]) { rc = EFAULT; goto fail3; } } /* Verify Toeplitz IPv6 hash key 2 */ EFX_BAR_READO(enp, FR_CZ_RX_RSS_IPV6_REG2, &oword); for (offset = (FRF_CZ_RX_RSS_IPV6_TKEY_MID_LBN + FRF_CZ_RX_RSS_IPV6_TKEY_MID_WIDTH) / 8; offset > 0 && byte < n; --offset) { if (oword.eo_u8[offset - 1] != key[byte++]) { rc = EFAULT; goto fail4; } } /* Verify Toeplitz IPv6 hash key 1 */ EFX_BAR_READO(enp, FR_CZ_RX_RSS_IPV6_REG1, &oword); for (offset = (FRF_CZ_RX_RSS_IPV6_TKEY_LO_LBN + FRF_CZ_RX_RSS_IPV6_TKEY_LO_WIDTH) / 8; offset > 0 && byte < n; --offset) { if (oword.eo_u8[offset - 1] != key[byte++]) { rc = EFAULT; goto fail5; } } done: return (0); fail5: EFSYS_PROBE(fail5); fail4: EFSYS_PROBE(fail4); fail3: EFSYS_PROBE(fail3); fail2: EFSYS_PROBE(fail2); fail1: EFSYS_PROBE1(fail1, efx_rc_t, rc); return (rc); } #endif #if EFSYS_OPT_RX_SCALE static __checkReturn efx_rc_t siena_rx_scale_tbl_set( __in efx_nic_t *enp, __in uint32_t rss_context, __in_ecount(n) unsigned int *table, __in size_t n) { efx_oword_t oword; int index; efx_rc_t rc; EFX_STATIC_ASSERT(EFX_RSS_TBL_SIZE == FR_BZ_RX_INDIRECTION_TBL_ROWS); EFX_STATIC_ASSERT(EFX_MAXRSS == (1 << FRF_BZ_IT_QUEUE_WIDTH)); if (rss_context != EFX_RSS_CONTEXT_DEFAULT) { rc = EINVAL; goto fail1; } if (n > FR_BZ_RX_INDIRECTION_TBL_ROWS) { rc = EINVAL; goto fail2; } for (index = 0; index < FR_BZ_RX_INDIRECTION_TBL_ROWS; index++) { uint32_t byte; /* Calculate the entry to place in the table */ byte = (n > 0) ? (uint32_t)table[index % n] : 0; EFSYS_PROBE2(table, int, index, uint32_t, byte); EFX_POPULATE_OWORD_1(oword, FRF_BZ_IT_QUEUE, byte); /* Write the table */ EFX_BAR_TBL_WRITEO(enp, FR_BZ_RX_INDIRECTION_TBL, index, &oword, B_TRUE); } for (index = FR_BZ_RX_INDIRECTION_TBL_ROWS - 1; index >= 0; --index) { uint32_t byte; /* Determine if we're starting a new batch */ byte = (n > 0) ? (uint32_t)table[index % n] : 0; /* Read the table */ EFX_BAR_TBL_READO(enp, FR_BZ_RX_INDIRECTION_TBL, index, &oword, B_TRUE); /* Verify the entry */ if (EFX_OWORD_FIELD(oword, FRF_BZ_IT_QUEUE) != byte) { rc = EFAULT; goto fail3; } } return (0); fail3: EFSYS_PROBE(fail3); fail2: EFSYS_PROBE(fail2); fail1: EFSYS_PROBE1(fail1, efx_rc_t, rc); return (rc); } #endif /* * Falcon/Siena pseudo-header * -------------------------- * * Receive packets are prefixed by an optional 16 byte pseudo-header. * The pseudo-header is a byte array of one of the forms: * * 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 * xx.xx.xx.xx.xx.xx.xx.xx.xx.xx.xx.xx.TT.TT.TT.TT * xx.xx.xx.xx.xx.xx.xx.xx.xx.xx.xx.xx.xx.xx.LL.LL * * where: * TT.TT.TT.TT Toeplitz hash (32-bit big-endian) * LL.LL LFSR hash (16-bit big-endian) */ #if EFSYS_OPT_RX_SCALE static __checkReturn uint32_t siena_rx_prefix_hash( __in efx_nic_t *enp, __in efx_rx_hash_alg_t func, __in uint8_t *buffer) { _NOTE(ARGUNUSED(enp)) switch (func) { case EFX_RX_HASHALG_TOEPLITZ: return ((buffer[12] << 24) | (buffer[13] << 16) | (buffer[14] << 8) | buffer[15]); case EFX_RX_HASHALG_LFSR: return ((buffer[14] << 8) | buffer[15]); default: EFSYS_ASSERT(0); return (0); } } #endif /* EFSYS_OPT_RX_SCALE */ static __checkReturn efx_rc_t siena_rx_prefix_pktlen( __in efx_nic_t *enp, __in uint8_t *buffer, __out uint16_t *lengthp) { _NOTE(ARGUNUSED(enp, buffer, lengthp)) /* Not supported by Falcon/Siena hardware */ EFSYS_ASSERT(0); return (ENOTSUP); } static void siena_rx_qpost( __in efx_rxq_t *erp, __in_ecount(ndescs) efsys_dma_addr_t *addrp, __in size_t size, __in unsigned int ndescs, __in unsigned int completed, __in unsigned int added) { efx_qword_t qword; unsigned int i; unsigned int offset; unsigned int id; /* The client driver must not overfill the queue */ EFSYS_ASSERT3U(added - completed + ndescs, <=, EFX_RXQ_LIMIT(erp->er_mask + 1)); id = added & (erp->er_mask); for (i = 0; i < ndescs; i++) { EFSYS_PROBE4(rx_post, unsigned int, erp->er_index, unsigned int, id, efsys_dma_addr_t, addrp[i], size_t, size); EFX_POPULATE_QWORD_3(qword, FSF_AZ_RX_KER_BUF_SIZE, (uint32_t)(size), FSF_AZ_RX_KER_BUF_ADDR_DW0, (uint32_t)(addrp[i] & 0xffffffff), FSF_AZ_RX_KER_BUF_ADDR_DW1, (uint32_t)(addrp[i] >> 32)); offset = id * sizeof (efx_qword_t); EFSYS_MEM_WRITEQ(erp->er_esmp, offset, &qword); id = (id + 1) & (erp->er_mask); } } static void siena_rx_qpush( __in efx_rxq_t *erp, __in unsigned int added, __inout unsigned int *pushedp) { efx_nic_t *enp = erp->er_enp; unsigned int pushed = *pushedp; uint32_t wptr; efx_oword_t oword; efx_dword_t dword; /* All descriptors are pushed */ *pushedp = added; /* Push the populated descriptors out */ wptr = added & erp->er_mask; EFX_POPULATE_OWORD_1(oword, FRF_AZ_RX_DESC_WPTR, wptr); /* Only write the third DWORD */ EFX_POPULATE_DWORD_1(dword, EFX_DWORD_0, EFX_OWORD_FIELD(oword, EFX_DWORD_3)); /* Guarantee ordering of memory (descriptors) and PIO (doorbell) */ EFX_DMA_SYNC_QUEUE_FOR_DEVICE(erp->er_esmp, erp->er_mask + 1, wptr, pushed & erp->er_mask); EFSYS_PIO_WRITE_BARRIER(); EFX_BAR_TBL_WRITED3(enp, FR_BZ_RX_DESC_UPD_REGP0, erp->er_index, &dword, B_FALSE); } #if EFSYS_OPT_RX_PACKED_STREAM static void siena_rx_qpush_ps_credits( __in efx_rxq_t *erp) { /* Not supported by Siena hardware */ EFSYS_ASSERT(0); } static uint8_t * siena_rx_qps_packet_info( __in efx_rxq_t *erp, __in uint8_t *buffer, __in uint32_t buffer_length, __in uint32_t current_offset, __out uint16_t *lengthp, __out uint32_t *next_offsetp, __out uint32_t *timestamp) { /* Not supported by Siena hardware */ EFSYS_ASSERT(0); return (NULL); } #endif /* EFSYS_OPT_RX_PACKED_STREAM */ static __checkReturn efx_rc_t siena_rx_qflush( __in efx_rxq_t *erp) { efx_nic_t *enp = erp->er_enp; efx_oword_t oword; uint32_t label; label = erp->er_index; /* Flush the queue */ EFX_POPULATE_OWORD_2(oword, FRF_AZ_RX_FLUSH_DESCQ_CMD, 1, FRF_AZ_RX_FLUSH_DESCQ, label); EFX_BAR_WRITEO(enp, FR_AZ_RX_FLUSH_DESCQ_REG, &oword); return (0); } static void siena_rx_qenable( __in efx_rxq_t *erp) { efx_nic_t *enp = erp->er_enp; efx_oword_t oword; EFSYS_ASSERT3U(erp->er_magic, ==, EFX_RXQ_MAGIC); EFX_BAR_TBL_READO(enp, FR_AZ_RX_DESC_PTR_TBL, erp->er_index, &oword, B_TRUE); EFX_SET_OWORD_FIELD(oword, FRF_AZ_RX_DC_HW_RPTR, 0); EFX_SET_OWORD_FIELD(oword, FRF_AZ_RX_DESCQ_HW_RPTR, 0); EFX_SET_OWORD_FIELD(oword, FRF_AZ_RX_DESCQ_EN, 1); EFX_BAR_TBL_WRITEO(enp, FR_AZ_RX_DESC_PTR_TBL, erp->er_index, &oword, B_TRUE); } static __checkReturn efx_rc_t siena_rx_qcreate( __in efx_nic_t *enp, __in unsigned int index, __in unsigned int label, __in efx_rxq_type_t type, __in const efx_rxq_type_data_t *type_data, __in efsys_mem_t *esmp, __in size_t ndescs, __in uint32_t id, __in unsigned int flags, __in efx_evq_t *eep, __in efx_rxq_t *erp) { efx_nic_cfg_t *encp = &(enp->en_nic_cfg); efx_oword_t oword; uint32_t size; boolean_t jumbo = B_FALSE; efx_rc_t rc; _NOTE(ARGUNUSED(esmp)) _NOTE(ARGUNUSED(type_data)) EFX_STATIC_ASSERT(EFX_EV_RX_NLABELS == (1 << FRF_AZ_RX_DESCQ_LABEL_WIDTH)); EFSYS_ASSERT3U(label, <, EFX_EV_RX_NLABELS); EFSYS_ASSERT3U(enp->en_rx_qcount + 1, <, encp->enc_rxq_limit); EFX_STATIC_ASSERT(ISP2(EFX_RXQ_MAXNDESCS)); EFX_STATIC_ASSERT(ISP2(EFX_RXQ_MINNDESCS)); if (!ISP2(ndescs) || (ndescs < EFX_RXQ_MINNDESCS) || (ndescs > EFX_RXQ_MAXNDESCS)) { rc = EINVAL; goto fail1; } if (index >= encp->enc_rxq_limit) { rc = EINVAL; goto fail2; } for (size = 0; (1 << size) <= (EFX_RXQ_MAXNDESCS / EFX_RXQ_MINNDESCS); size++) if ((1 << size) == (int)(ndescs / EFX_RXQ_MINNDESCS)) break; if (id + (1 << size) >= encp->enc_buftbl_limit) { rc = EINVAL; goto fail3; } switch (type) { case EFX_RXQ_TYPE_DEFAULT: break; default: rc = EINVAL; goto fail4; } if (flags & EFX_RXQ_FLAG_SCATTER) { #if EFSYS_OPT_RX_SCATTER jumbo = B_TRUE; #else rc = EINVAL; goto fail5; #endif /* EFSYS_OPT_RX_SCATTER */ } /* Set up the new descriptor queue */ EFX_POPULATE_OWORD_7(oword, FRF_AZ_RX_DESCQ_BUF_BASE_ID, id, FRF_AZ_RX_DESCQ_EVQ_ID, eep->ee_index, FRF_AZ_RX_DESCQ_OWNER_ID, 0, FRF_AZ_RX_DESCQ_LABEL, label, FRF_AZ_RX_DESCQ_SIZE, size, FRF_AZ_RX_DESCQ_TYPE, 0, FRF_AZ_RX_DESCQ_JUMBO, jumbo); EFX_BAR_TBL_WRITEO(enp, FR_AZ_RX_DESC_PTR_TBL, erp->er_index, &oword, B_TRUE); return (0); #if !EFSYS_OPT_RX_SCATTER fail5: EFSYS_PROBE(fail5); #endif fail4: EFSYS_PROBE(fail4); fail3: EFSYS_PROBE(fail3); fail2: EFSYS_PROBE(fail2); fail1: EFSYS_PROBE1(fail1, efx_rc_t, rc); return (rc); } static void siena_rx_qdestroy( __in efx_rxq_t *erp) { efx_nic_t *enp = erp->er_enp; efx_oword_t oword; EFSYS_ASSERT(enp->en_rx_qcount != 0); --enp->en_rx_qcount; /* Purge descriptor queue */ EFX_ZERO_OWORD(oword); EFX_BAR_TBL_WRITEO(enp, FR_AZ_RX_DESC_PTR_TBL, erp->er_index, &oword, B_TRUE); /* Free the RXQ object */ EFSYS_KMEM_FREE(enp->en_esip, sizeof (efx_rxq_t), erp); } static void siena_rx_fini( __in efx_nic_t *enp) { _NOTE(ARGUNUSED(enp)) } #endif /* EFSYS_OPT_SIENA */