Date: Sat, 24 Nov 2018 15:23:22 +0000 (UTC) From: Andrew Rybchenko <arybchik@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r340873 - head/sys/dev/sfxge/common Message-ID: <201811241523.wAOFNMeu051057@repo.freebsd.org>
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Author: arybchik Date: Sat Nov 24 15:23:22 2018 New Revision: 340873 URL: https://svnweb.freebsd.org/changeset/base/340873 Log: sfxge(4): improve names for RXQ descriptor counts Submitted by: Andy Moreton <amoreton at solarflare.com> Sponsored by: Solarflare Communications, Inc. Differential Revision: https://reviews.freebsd.org/D18108 Modified: head/sys/dev/sfxge/common/ef10_impl.h head/sys/dev/sfxge/common/ef10_rx.c head/sys/dev/sfxge/common/efx.h head/sys/dev/sfxge/common/efx_rx.c Modified: head/sys/dev/sfxge/common/ef10_impl.h ============================================================================== --- head/sys/dev/sfxge/common/ef10_impl.h Sat Nov 24 15:23:09 2018 (r340872) +++ head/sys/dev/sfxge/common/ef10_impl.h Sat Nov 24 15:23:22 2018 (r340873) @@ -956,14 +956,14 @@ ef10_rx_prefix_pktlen( __in uint8_t *buffer, __out uint16_t *lengthp); -extern void +extern void ef10_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); extern void ef10_rx_qpush( @@ -986,7 +986,7 @@ ef10_rx_qcreate( __in unsigned int label, __in efx_rxq_type_t type, __in efsys_mem_t *esmp, - __in size_t n, + __in size_t ndescs, __in uint32_t id, __in efx_evq_t *eep, __in efx_rxq_t *erp); Modified: head/sys/dev/sfxge/common/ef10_rx.c ============================================================================== --- head/sys/dev/sfxge/common/ef10_rx.c Sat Nov 24 15:23:09 2018 (r340872) +++ head/sys/dev/sfxge/common/ef10_rx.c Sat Nov 24 15:23:22 2018 (r340873) @@ -41,7 +41,7 @@ __FBSDID("$FreeBSD$"); static __checkReturn efx_rc_t efx_mcdi_init_rxq( __in efx_nic_t *enp, - __in uint32_t size, + __in uint32_t ndescs, __in uint32_t target_evq, __in uint32_t label, __in uint32_t instance, @@ -53,7 +53,7 @@ efx_mcdi_init_rxq( efx_mcdi_req_t req; uint8_t payload[MAX(MC_CMD_INIT_RXQ_EXT_IN_LEN, MC_CMD_INIT_RXQ_EXT_OUT_LEN)]; - int npages = EFX_RXQ_NBUFS(size); + int npages = EFX_RXQ_NBUFS(ndescs); int i; efx_qword_t *dma_addr; uint64_t addr; @@ -61,7 +61,7 @@ efx_mcdi_init_rxq( uint32_t dma_mode; boolean_t want_outer_classes; - EFSYS_ASSERT3U(size, <=, EFX_RXQ_MAXNDESCS); + EFSYS_ASSERT3U(ndescs, <=, EFX_RXQ_MAXNDESCS); if (ps_bufsize > 0) dma_mode = MC_CMD_INIT_RXQ_EXT_IN_PACKED_STREAM; @@ -94,7 +94,7 @@ efx_mcdi_init_rxq( req.emr_out_buf = payload; req.emr_out_length = MC_CMD_INIT_RXQ_EXT_OUT_LEN; - MCDI_IN_SET_DWORD(req, INIT_RXQ_EXT_IN_SIZE, size); + MCDI_IN_SET_DWORD(req, INIT_RXQ_EXT_IN_SIZE, ndescs); MCDI_IN_SET_DWORD(req, INIT_RXQ_EXT_IN_TARGET_EVQ, target_evq); MCDI_IN_SET_DWORD(req, INIT_RXQ_EXT_IN_LABEL, label); MCDI_IN_SET_DWORD(req, INIT_RXQ_EXT_IN_INSTANCE, instance); @@ -738,14 +738,14 @@ ef10_rx_prefix_hash( #define EFX_RXQ_PACKED_STREAM_FAKE_BUF_SIZE 32 #endif - void + void ef10_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; @@ -762,11 +762,11 @@ ef10_rx_qpost( #endif /* 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); @@ -944,7 +944,7 @@ ef10_rx_qcreate( __in unsigned int label, __in efx_rxq_type_t type, __in efsys_mem_t *esmp, - __in size_t n, + __in size_t ndescs, __in uint32_t id, __in efx_evq_t *eep, __in efx_rxq_t *erp) @@ -963,7 +963,8 @@ ef10_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; } @@ -1023,7 +1024,7 @@ ef10_rx_qcreate( else disable_scatter = encp->enc_rx_disable_scatter_supported; - if ((rc = efx_mcdi_init_rxq(enp, n, eep->ee_index, label, index, + if ((rc = efx_mcdi_init_rxq(enp, ndescs, eep->ee_index, label, index, esmp, disable_scatter, ps_buf_size)) != 0) goto fail6; Modified: head/sys/dev/sfxge/common/efx.h ============================================================================== --- head/sys/dev/sfxge/common/efx.h Sat Nov 24 15:23:09 2018 (r340872) +++ head/sys/dev/sfxge/common/efx.h Sat Nov 24 15:23:22 2018 (r340873) @@ -2018,7 +2018,7 @@ efx_rx_qcreate( __in unsigned int label, __in efx_rxq_type_t type, __in efsys_mem_t *esmp, - __in size_t n, + __in size_t ndescs, __in uint32_t id, __in efx_evq_t *eep, __deref_out efx_rxq_t **erpp); @@ -2033,14 +2033,14 @@ typedef struct efx_desc_s { efx_qword_t ed_eq; } efx_desc_t; -extern void +extern 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); extern void efx_rx_qpush( Modified: head/sys/dev/sfxge/common/efx_rx.c ============================================================================== --- head/sys/dev/sfxge/common/efx_rx.c Sat Nov 24 15:23:09 2018 (r340872) +++ head/sys/dev/sfxge/common/efx_rx.c Sat Nov 24 15:23:22 2018 (r340873) @@ -91,14 +91,14 @@ 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( @@ -137,7 +137,7 @@ siena_rx_qcreate( __in unsigned int label, __in efx_rxq_type_t type, __in efsys_mem_t *esmp, - __in size_t n, + __in size_t ndescs, __in uint32_t id, __in efx_evq_t *eep, __in efx_rxq_t *erp); @@ -517,21 +517,21 @@ 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 @@ -622,7 +622,7 @@ efx_rx_qcreate( __in unsigned int label, __in efx_rxq_type_t type, __in efsys_mem_t *esmp, - __in size_t n, + __in size_t ndescs, __in uint32_t id, __in efx_evq_t *eep, __deref_out efx_rxq_t **erpp) @@ -645,10 +645,10 @@ 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, + if ((rc = erxop->erxo_qcreate(enp, index, label, type, esmp, ndescs, id, eep, erp)) != 0) goto fail2; @@ -1168,14 +1168,14 @@ 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; @@ -1183,11 +1183,11 @@ 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); @@ -1309,7 +1309,7 @@ siena_rx_qcreate( __in unsigned int label, __in efx_rxq_type_t type, __in efsys_mem_t *esmp, - __in size_t n, + __in size_t ndescs, __in uint32_t id, __in efx_evq_t *eep, __in efx_rxq_t *erp) @@ -1330,7 +1330,8 @@ 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; } @@ -1340,7 +1341,7 @@ 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;
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