Author: arybchik Date: Wed Dec 26 10:03:11 2018 New Revision: 342494 URL: https://svnweb.freebsd.org/changeset/base/342494
Log: MFC r340833 sfxge(4): support inner checksum offload on transmit Inner checksum offloads may be used only if firmware supports these tunnels. Sponsored by: Solarflare Communications, Inc. Differential Revision: https://reviews.freebsd.org/D18102 Modified: stable/10/sys/dev/sfxge/common/ef10_tx.c stable/10/sys/dev/sfxge/common/efx.h stable/10/sys/dev/sfxge/common/efx_tx.c Directory Properties: stable/10/ (props changed) Modified: stable/10/sys/dev/sfxge/common/ef10_tx.c ============================================================================== --- stable/10/sys/dev/sfxge/common/ef10_tx.c Wed Dec 26 10:02:05 2018 (r342493) +++ stable/10/sys/dev/sfxge/common/ef10_tx.c Wed Dec 26 10:03:11 2018 (r342494) @@ -87,12 +87,16 @@ efx_mcdi_init_txq( MCDI_IN_SET_DWORD(req, INIT_TXQ_IN_LABEL, label); MCDI_IN_SET_DWORD(req, INIT_TXQ_IN_INSTANCE, instance); - MCDI_IN_POPULATE_DWORD_7(req, INIT_TXQ_IN_FLAGS, + MCDI_IN_POPULATE_DWORD_9(req, INIT_TXQ_IN_FLAGS, INIT_TXQ_IN_FLAG_BUFF_MODE, 0, INIT_TXQ_IN_FLAG_IP_CSUM_DIS, (flags & EFX_TXQ_CKSUM_IPV4) ? 0 : 1, INIT_TXQ_IN_FLAG_TCP_CSUM_DIS, (flags & EFX_TXQ_CKSUM_TCPUDP) ? 0 : 1, + INIT_TXQ_EXT_IN_FLAG_INNER_IP_CSUM_EN, + (flags & EFX_TXQ_CKSUM_INNER_IPV4) ? 1 : 0, + INIT_TXQ_EXT_IN_FLAG_INNER_TCP_CSUM_EN, + (flags & EFX_TXQ_CKSUM_INNER_TCPUDP) ? 1 : 0, INIT_TXQ_EXT_IN_FLAG_TSOV2_EN, (flags & EFX_TXQ_FATSOV2) ? 1 : 0, INIT_TXQ_IN_FLAG_TCP_UDP_ONLY, 0, INIT_TXQ_IN_CRC_MODE, 0, @@ -197,14 +201,23 @@ ef10_tx_qcreate( __in efx_txq_t *etp, __out unsigned int *addedp) { + efx_nic_cfg_t *encp = &enp->en_nic_cfg; + uint16_t inner_csum; efx_qword_t desc; efx_rc_t rc; _NOTE(ARGUNUSED(id)) + inner_csum = EFX_TXQ_CKSUM_INNER_IPV4 | EFX_TXQ_CKSUM_INNER_TCPUDP; + if (((flags & inner_csum) != 0) && + (encp->enc_tunnel_encapsulations_supported == 0)) { + rc = EINVAL; + goto fail1; + } + if ((rc = efx_mcdi_init_txq(enp, n, eep->ee_index, label, index, flags, esmp)) != 0) - goto fail1; + goto fail2; /* * A previous user of this TX queue may have written a descriptor to the @@ -215,19 +228,25 @@ ef10_tx_qcreate( * a no-op TX option descriptor. See bug29981 for details. */ *addedp = 1; - EFX_POPULATE_QWORD_4(desc, + EFX_POPULATE_QWORD_6(desc, ESF_DZ_TX_DESC_IS_OPT, 1, ESF_DZ_TX_OPTION_TYPE, ESE_DZ_TX_OPTION_DESC_CRC_CSUM, ESF_DZ_TX_OPTION_UDP_TCP_CSUM, (flags & EFX_TXQ_CKSUM_TCPUDP) ? 1 : 0, ESF_DZ_TX_OPTION_IP_CSUM, - (flags & EFX_TXQ_CKSUM_IPV4) ? 1 : 0); + (flags & EFX_TXQ_CKSUM_IPV4) ? 1 : 0, + ESF_DZ_TX_OPTION_INNER_UDP_TCP_CSUM, + (flags & EFX_TXQ_CKSUM_INNER_TCPUDP) ? 1 : 0, + ESF_DZ_TX_OPTION_INNER_IP_CSUM, + (flags & EFX_TXQ_CKSUM_INNER_IPV4) ? 1 : 0); EFSYS_MEM_WRITEQ(etp->et_esmp, 0, &desc); ef10_tx_qpush(etp, *addedp, 0); return (0); +fail2: + EFSYS_PROBE(fail2); fail1: EFSYS_PROBE1(fail1, efx_rc_t, rc); Modified: stable/10/sys/dev/sfxge/common/efx.h ============================================================================== --- stable/10/sys/dev/sfxge/common/efx.h Wed Dec 26 10:02:05 2018 (r342493) +++ stable/10/sys/dev/sfxge/common/efx.h Wed Dec 26 10:03:11 2018 (r342494) @@ -1997,9 +1997,11 @@ efx_tx_fini( #define EFX_TXQ_MAX_BUFS 8 /* Maximum independent of EFX_BUG35388_WORKAROUND. */ -#define EFX_TXQ_CKSUM_IPV4 0x0001 -#define EFX_TXQ_CKSUM_TCPUDP 0x0002 -#define EFX_TXQ_FATSOV2 0x0004 +#define EFX_TXQ_CKSUM_IPV4 0x0001 +#define EFX_TXQ_CKSUM_TCPUDP 0x0002 +#define EFX_TXQ_FATSOV2 0x0004 +#define EFX_TXQ_CKSUM_INNER_IPV4 0x0008 +#define EFX_TXQ_CKSUM_INNER_TCPUDP 0x0010 extern __checkReturn efx_rc_t efx_tx_qcreate( Modified: stable/10/sys/dev/sfxge/common/efx_tx.c ============================================================================== --- stable/10/sys/dev/sfxge/common/efx_tx.c Wed Dec 26 10:02:05 2018 (r342493) +++ stable/10/sys/dev/sfxge/common/efx_tx.c Wed Dec 26 10:03:11 2018 (r342494) @@ -903,6 +903,7 @@ siena_tx_qcreate( efx_nic_cfg_t *encp = &(enp->en_nic_cfg); efx_oword_t oword; uint32_t size; + uint16_t inner_csum; efx_rc_t rc; _NOTE(ARGUNUSED(esmp)) @@ -932,6 +933,12 @@ siena_tx_qcreate( goto fail3; } + inner_csum = EFX_TXQ_CKSUM_INNER_IPV4 | EFX_TXQ_CKSUM_INNER_TCPUDP; + if ((flags & inner_csum) != 0) { + rc = EINVAL; + goto fail4; + } + /* Set up the new descriptor queue */ *addedp = 0; @@ -954,6 +961,8 @@ siena_tx_qcreate( return (0); +fail4: + EFSYS_PROBE(fail4); fail3: EFSYS_PROBE(fail3); fail2: _______________________________________________ svn-src-stable-10@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-stable-10 To unsubscribe, send any mail to "svn-src-stable-10-unsubscr...@freebsd.org"