Date: Tue, 1 Dec 2015 15:26:46 +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: r291585 - head/sys/dev/sfxge/common Message-ID: <201512011526.tB1FQkHG088414@repo.freebsd.org>
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Author: arybchik Date: Tue Dec 1 15:26:46 2015 New Revision: 291585 URL: https://svnweb.freebsd.org/changeset/base/291585 Log: sfxge: support MAC spoofing for 4.2.x firmare Common code should infer other privileges from Admin privilege to support firmware that pre-dates introduction of specific privilege flags. Submitted by: Richard Houldsworth <rhouldsworth at solarflare.com> Sponsored by: Solarflare Communications, Inc. MFC after: 2 days Differential Revision: https://reviews.freebsd.org/D4327 Modified: head/sys/dev/sfxge/common/hunt_mcdi.c Modified: head/sys/dev/sfxge/common/hunt_mcdi.c ============================================================================== --- head/sys/dev/sfxge/common/hunt_mcdi.c Tue Dec 1 14:55:24 2015 (r291584) +++ head/sys/dev/sfxge/common/hunt_mcdi.c Tue Dec 1 15:26:46 2015 (r291585) @@ -435,7 +435,11 @@ hunt_mcdi_fw_update_supported( EFSYS_ASSERT3U(enp->en_family, ==, EFX_FAMILY_HUNTINGTON); - /* use privilege mask state at MCDI attach */ + /* + * Use privilege mask state at MCDI attach. + * Admin privilege must be used prior to introduction of + * specific flag. + */ *supportedp = (encp->enc_privilege_mask & MC_CMD_PRIVILEGE_MASK_IN_GRP_ADMIN) == MC_CMD_PRIVILEGE_MASK_IN_GRP_ADMIN; @@ -449,13 +453,20 @@ hunt_mcdi_macaddr_change_supported( __out boolean_t *supportedp) { efx_nic_cfg_t *encp = &(enp->en_nic_cfg); + uint32_t privilege_mask = encp->enc_privilege_mask; EFSYS_ASSERT3U(enp->en_family, ==, EFX_FAMILY_HUNTINGTON); - /* use privilege mask state at MCDI attach */ - *supportedp = (encp->enc_privilege_mask & - MC_CMD_PRIVILEGE_MASK_IN_GRP_MAC_SPOOFING) - == MC_CMD_PRIVILEGE_MASK_IN_GRP_MAC_SPOOFING; + /* + * Use privilege mask state at MCDI attach. + * Admin privilege must be used prior to introduction of + * specific flag (at v4.6). + */ + *supportedp = + ((privilege_mask & MC_CMD_PRIVILEGE_MASK_IN_GRP_MAC_SPOOFING) == + MC_CMD_PRIVILEGE_MASK_IN_GRP_MAC_SPOOFING) || + ((privilege_mask & MC_CMD_PRIVILEGE_MASK_IN_GRP_ADMIN) == + MC_CMD_PRIVILEGE_MASK_IN_GRP_ADMIN); return (0); }
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