Date: Fri, 23 Nov 2018 15:59:38 +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: r340836 - head/sys/dev/sfxge/common Message-ID: <201811231559.wANFxcrL010084@repo.freebsd.org>
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Author: arybchik Date: Fri Nov 23 15:59:37 2018 New Revision: 340836 URL: https://svnweb.freebsd.org/changeset/base/340836 Log: sfxge(4): use MCDIv2 for requests with too long response Use MCDIv2 for requests with a response size too long for MCDIv1. Required for MC_CMD_MAC_STATS to reports the stats without using DMA. Submitted by: Mark Spender <mspender at solarflare.com> Sponsored by: Solarflare Communications, Inc. Differential Revision: https://reviews.freebsd.org/D18103 Modified: head/sys/dev/sfxge/common/efx_mcdi.c Modified: head/sys/dev/sfxge/common/efx_mcdi.c ============================================================================== --- head/sys/dev/sfxge/common/efx_mcdi.c Fri Nov 23 15:49:18 2018 (r340835) +++ head/sys/dev/sfxge/common/efx_mcdi.c Fri Nov 23 15:59:37 2018 (r340836) @@ -295,7 +295,8 @@ efx_mcdi_request_start( */ if ((max_version >= 2) && ((emrp->emr_cmd > MC_CMD_CMD_SPACE_ESCAPE_7) || - (emrp->emr_in_length > MCDI_CTL_SDU_LEN_MAX_V1))) { + (emrp->emr_in_length > MCDI_CTL_SDU_LEN_MAX_V1) || + (emrp->emr_out_length > MCDI_CTL_SDU_LEN_MAX_V1))) { /* Construct MCDI v2 header */ hdr_len = sizeof (hdr); EFX_POPULATE_DWORD_8(hdr[0],
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