Index: stable/12/sys/dev/sfxge/common/efx_rx.c =================================================================== --- stable/12/sys/dev/sfxge/common/efx_rx.c (revision 342327) +++ stable/12/sys/dev/sfxge/common/efx_rx.c (revision 342328) @@ -1,1236 +1,1232 @@ /*- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD * * Copyright (c) 2007-2016 Solarflare Communications Inc. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * The views and conclusions contained in the software and documentation are * those of the authors and should not be interpreted as representing official * policies, either expressed or implied, of the FreeBSD Project. */ #include __FBSDID("$FreeBSD$"); #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 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_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_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(n) efsys_dma_addr_t *addrp, __in size_t size, __in unsigned int n, __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); 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 efsys_mem_t *esmp, __in size_t n, __in uint32_t id, __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 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 */ 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 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_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 */ 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 */ __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 */ 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_hash_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 if resources are available to insert RX hash value */ *supportp = enp->en_hash_support; return (0); fail1: EFSYS_PROBE1(fail1, efx_rc_t, rc); return (rc); } __checkReturn efx_rc_t efx_rx_scale_support_get( __in efx_nic_t *enp, __out efx_rx_scale_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 if resources are available to support RSS */ *supportp = enp->en_rss_support; return (0); fail1: EFSYS_PROBE1(fail1, efx_rc_t, rc); return (rc); } __checkReturn efx_rc_t efx_rx_scale_mode_set( __in efx_nic_t *enp, __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; 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_mode_set != NULL) { if ((rc = erxop->erxo_scale_mode_set(enp, alg, type, insert)) != 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_key_set( __in efx_nic_t *enp, __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, 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_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, 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(n) efsys_dma_addr_t *addrp, __in size_t size, __in unsigned int n, __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, n, completed, added); } 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); } __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 n, __in uint32_t id, __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 = n - 1; erp->er_esmp = esmp; if ((rc = erxop->erxo_qcreate(enp, index, label, type, esmp, n, id, 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); } 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_support = 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 efx_rx_hash_alg_t alg, __in efx_rx_hash_type_t type, __in boolean_t insert) { efx_rc_t rc; 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 & EFX_RX_HASH_IPV4, type & EFX_RX_HASH_TCPIPV4); EFX_RX_TOEPLITZ_IPV6_HASH(enp, type & EFX_RX_HASH_IPV6, type & EFX_RX_HASH_TCPIPV6, rc); if (rc != 0) goto fail1; break; default: rc = EINVAL; goto fail2; } return (0); 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_ecount(n) uint8_t *key, __in size_t n) { efx_oword_t oword; unsigned int byte; unsigned int offset; efx_rc_t rc; 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 fail1; } } 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 fail2; } } /* 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 fail3; } } /* 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 fail4; } } done: 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 #if EFSYS_OPT_RX_SCALE static __checkReturn efx_rc_t siena_rx_scale_tbl_set( __in efx_nic_t *enp, __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 (n > FR_BZ_RX_INDIRECTION_TBL_ROWS) { rc = EINVAL; goto fail1; } 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 fail2; } } return (0); 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(n) efsys_dma_addr_t *addrp, __in size_t size, __in unsigned int n, __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 + n, <=, EFX_RXQ_LIMIT(erp->er_mask + 1)); id = added & (erp->er_mask); for (i = 0; i < n; 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); } 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 efsys_mem_t *esmp, __in size_t n, __in uint32_t id, __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; efx_rc_t rc; _NOTE(ARGUNUSED(esmp)) 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(n) || (n < EFX_RXQ_MINNDESCS) || (n > 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)(n / EFX_RXQ_MINNDESCS)) break; if (id + (1 << size) >= encp->enc_buftbl_limit) { rc = EINVAL; goto fail3; } switch (type) { case EFX_RXQ_TYPE_DEFAULT: jumbo = B_FALSE; break; #if EFSYS_OPT_RX_SCATTER case EFX_RXQ_TYPE_SCATTER: - if (enp->en_family < EFX_FAMILY_SIENA) { - rc = EINVAL; - goto fail4; - } jumbo = B_TRUE; break; #endif /* EFSYS_OPT_RX_SCATTER */ default: rc = EINVAL; goto fail4; } /* 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); 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 */ Index: stable/12 =================================================================== --- stable/12 (revision 342327) +++ stable/12 (revision 342328) Property changes on: stable/12 ___________________________________________________________________ Modified: svn:mergeinfo ## -0,0 +0,1 ## Merged /head:r340892