X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=drivers%2Fnet%2Fsfc%2Fbase%2Fefx_rx.c;h=c0dcb752d59e4148170a033f210bf7d6b719c7dd;hb=ca33590b6af032bff57d9cc70455660466a654b2;hp=785365d3984762752fb9578555f121e24702ffbc;hpb=055c52583a2794da8ba1e85a48cce3832372b12f;p=deb_dpdk.git diff --git a/drivers/net/sfc/base/efx_rx.c b/drivers/net/sfc/base/efx_rx.c index 785365d3..c0dcb752 100644 --- a/drivers/net/sfc/base/efx_rx.c +++ b/drivers/net/sfc/base/efx_rx.c @@ -1,31 +1,7 @@ -/* - * 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. +/* SPDX-License-Identifier: BSD-3-Clause * - * 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. + * Copyright (c) 2007-2018 Solarflare Communications Inc. + * All rights reserved. */ #include "efx.h" @@ -86,14 +62,14 @@ siena_rx_prefix_pktlen( __in uint8_t *buffer, __out uint16_t *lengthp); -static void +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); + __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( @@ -103,7 +79,7 @@ siena_rx_qpush( #if EFSYS_OPT_RX_PACKED_STREAM static void -siena_rx_qps_update_credits( +siena_rx_qpush_ps_credits( __in efx_rxq_t *erp); static __checkReturn uint8_t * @@ -131,9 +107,11 @@ siena_rx_qcreate( __in unsigned int index, __in unsigned int label, __in efx_rxq_type_t type, + __in uint32_t type_data, __in efsys_mem_t *esmp, - __in size_t n, + __in size_t ndescs, __in uint32_t id, + __in unsigned int flags, __in efx_evq_t *eep, __in efx_rxq_t *erp); @@ -163,7 +141,7 @@ static const efx_rx_ops_t __efx_rx_siena_ops = { siena_rx_qpost, /* erxo_qpost */ siena_rx_qpush, /* erxo_qpush */ #if EFSYS_OPT_RX_PACKED_STREAM - siena_rx_qps_update_credits, /* erxo_qps_update_credits */ + siena_rx_qpush_ps_credits, /* erxo_qpush_ps_credits */ siena_rx_qps_packet_info, /* erxo_qps_packet_info */ #endif siena_rx_qflush, /* erxo_qflush */ @@ -192,7 +170,7 @@ static const efx_rx_ops_t __efx_rx_ef10_ops = { ef10_rx_qpost, /* erxo_qpost */ ef10_rx_qpush, /* erxo_qpush */ #if EFSYS_OPT_RX_PACKED_STREAM - ef10_rx_qps_update_credits, /* erxo_qps_update_credits */ + ef10_rx_qpush_ps_credits, /* erxo_qpush_ps_credits */ ef10_rx_qps_packet_info, /* erxo_qps_packet_info */ #endif ef10_rx_qflush, /* erxo_qflush */ @@ -512,27 +490,27 @@ fail1: } #endif /* EFSYS_OPT_RX_SCALE */ - void + 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) + __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, n, completed, added); + erxop->erxo_qpost(erp, addrp, size, ndescs, completed, added); } #if EFSYS_OPT_RX_PACKED_STREAM void -efx_rx_qps_update_credits( +efx_rx_qpush_ps_credits( __in efx_rxq_t *erp) { efx_nic_t *enp = erp->er_enp; @@ -540,7 +518,7 @@ efx_rx_qps_update_credits( EFSYS_ASSERT3U(erp->er_magic, ==, EFX_RXQ_MAGIC); - erxop->erxo_qps_update_credits(erp); + erxop->erxo_qpush_ps_credits(erp); } __checkReturn uint8_t * @@ -610,15 +588,17 @@ efx_rx_qenable( erxop->erxo_qenable(erp); } - __checkReturn efx_rc_t -efx_rx_qcreate( +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 uint32_t type_data, __in efsys_mem_t *esmp, - __in size_t n, + __in size_t ndescs, __in uint32_t id, + __in unsigned int flags, __in efx_evq_t *eep, __deref_out efx_rxq_t **erpp) { @@ -640,11 +620,11 @@ efx_rx_qcreate( erp->er_magic = EFX_RXQ_MAGIC; erp->er_enp = enp; erp->er_index = index; - erp->er_mask = n - 1; + erp->er_mask = ndescs - 1; erp->er_esmp = esmp; - if ((rc = erxop->erxo_qcreate(enp, index, label, type, esmp, n, id, - eep, erp)) != 0) + if ((rc = erxop->erxo_qcreate(enp, index, label, type, type_data, esmp, + ndescs, id, flags, eep, erp)) != 0) goto fail2; enp->en_rx_qcount++; @@ -662,6 +642,43 @@ fail1: 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, 0, 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) +{ + return efx_rx_qcreate_internal(enp, index, label, + EFX_RXQ_TYPE_PACKED_STREAM, ps_buf_size, esmp, ndescs, + 0 /* id unused on EF10 */, EFX_RXQ_FLAG_NONE, eep, erpp); +} + +#endif + void efx_rx_qdestroy( __in efx_rxq_t *erp) @@ -1163,14 +1180,14 @@ siena_rx_prefix_pktlen( } -static void +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) + __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; @@ -1178,11 +1195,11 @@ siena_rx_qpost( unsigned int id; /* The client driver must not overfill the queue */ - EFSYS_ASSERT3U(added - completed + n, <=, + EFSYS_ASSERT3U(added - completed + ndescs, <=, EFX_RXQ_LIMIT(erp->er_mask + 1)); id = added & (erp->er_mask); - for (i = 0; i < n; i++) { + 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); @@ -1235,7 +1252,7 @@ siena_rx_qpush( #if EFSYS_OPT_RX_PACKED_STREAM static void -siena_rx_qps_update_credits( +siena_rx_qpush_ps_credits( __in efx_rxq_t *erp) { /* Not supported by Siena hardware */ @@ -1303,19 +1320,22 @@ siena_rx_qcreate( __in unsigned int index, __in unsigned int label, __in efx_rxq_type_t type, + __in uint32_t type_data, __in efsys_mem_t *esmp, - __in size_t n, + __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; + 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)); @@ -1325,7 +1345,8 @@ siena_rx_qcreate( 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)) { + if (!ISP2(ndescs) || + (ndescs < EFX_RXQ_MINNDESCS) || (ndescs > EFX_RXQ_MAXNDESCS)) { rc = EINVAL; goto fail1; } @@ -1335,7 +1356,7 @@ siena_rx_qcreate( } for (size = 0; (1 << size) <= (EFX_RXQ_MAXNDESCS / EFX_RXQ_MINNDESCS); size++) - if ((1 << size) == (int)(n / EFX_RXQ_MINNDESCS)) + if ((1 << size) == (int)(ndescs / EFX_RXQ_MINNDESCS)) break; if (id + (1 << size) >= encp->enc_buftbl_limit) { rc = EINVAL; @@ -1344,24 +1365,22 @@ siena_rx_qcreate( 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; } + 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, @@ -1377,6 +1396,10 @@ siena_rx_qcreate( return (0); +#if !EFSYS_OPT_RX_SCATTER +fail5: + EFSYS_PROBE(fail5); +#endif fail4: EFSYS_PROBE(fail4); fail3: