diff options
Diffstat (limited to 'sys/dev/sfxge/common/efx_rx.c')
| -rw-r--r-- | sys/dev/sfxge/common/efx_rx.c | 149 |
1 files changed, 78 insertions, 71 deletions
diff --git a/sys/dev/sfxge/common/efx_rx.c b/sys/dev/sfxge/common/efx_rx.c index d8edeb6..b8339ff 100644 --- a/sys/dev/sfxge/common/efx_rx.c +++ b/sys/dev/sfxge/common/efx_rx.c @@ -75,6 +75,18 @@ falconsiena_rx_scale_tbl_set( __in_ecount(n) unsigned int *table, __in size_t n); +static __checkReturn uint32_t +falconsiena_rx_prefix_hash( + __in efx_nic_t *enp, + __in efx_rx_hash_alg_t func, + __in uint8_t *buffer); + +static __checkReturn efx_rc_t +falconsiena_rx_prefix_pktlen( + __in efx_nic_t *enp, + __in uint8_t *buffer, + __out uint16_t *lengthp); + #endif /* EFSYS_OPT_RX_SCALE */ static void @@ -130,7 +142,9 @@ static efx_rx_ops_t __efx_rx_falcon_ops = { falconsiena_rx_scale_mode_set, /* erxo_scale_mode_set */ falconsiena_rx_scale_key_set, /* erxo_scale_key_set */ falconsiena_rx_scale_tbl_set, /* erxo_scale_tbl_set */ + falconsiena_rx_prefix_hash, /* erxo_prefix_hash */ #endif + falconsiena_rx_prefix_pktlen, /* erxo_prefix_pktlen */ falconsiena_rx_qpost, /* erxo_qpost */ falconsiena_rx_qpush, /* erxo_qpush */ falconsiena_rx_qflush, /* erxo_qflush */ @@ -151,7 +165,9 @@ static efx_rx_ops_t __efx_rx_siena_ops = { falconsiena_rx_scale_mode_set, /* erxo_scale_mode_set */ falconsiena_rx_scale_key_set, /* erxo_scale_key_set */ falconsiena_rx_scale_tbl_set, /* erxo_scale_tbl_set */ + falconsiena_rx_prefix_hash, /* erxo_prefix_hash */ #endif + falconsiena_rx_prefix_pktlen, /* erxo_prefix_pktlen */ falconsiena_rx_qpost, /* erxo_qpost */ falconsiena_rx_qpush, /* erxo_qpush */ falconsiena_rx_qflush, /* erxo_qflush */ @@ -172,7 +188,9 @@ static efx_rx_ops_t __efx_rx_ef10_ops = { ef10_rx_scale_mode_set, /* erxo_scale_mode_set */ ef10_rx_scale_key_set, /* erxo_scale_key_set */ ef10_rx_scale_tbl_set, /* erxo_scale_tbl_set */ + ef10_rx_prefix_hash, /* erxo_prefix_hash */ #endif + ef10_rx_prefix_pktlen, /* erxo_prefix_pktlen */ ef10_rx_qpost, /* erxo_qpost */ ef10_rx_qpush, /* erxo_qpush */ ef10_rx_qflush, /* erxo_qflush */ @@ -553,92 +571,29 @@ efx_rx_qdestroy( erxop->erxo_qdestroy(erp); } -/* - * Psuedo-header info for Siena/Falcon. - * - * The psuedo-header is a byte array of one of the forms: - * - * 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 - * XX.XX.XX.XX.XX.XX.XX.XX.XX.XX.XX.XX.TT.TT.TT.TT - * XX.XX.XX.XX.XX.XX.XX.XX.XX.XX.XX.XX.XX.XX.LL.LL - * - * where: - * - * TT.TT.TT.TT is a 32-bit Toeplitz hash - * LL.LL is a 16-bit LFSR hash - * - * Hash values are in network (big-endian) byte order. - * - * - * On EF10 the pseudo-header is laid out as: - * (See also SF-109306-TC section 9) - * - * Toeplitz hash (32 bits, little-endian) - * Out-of-band outer VLAN tag - * (16 bits, big-endian, 0 if the packet did not have an outer VLAN tag) - * Out-of-band inner VLAN tag - * (16 bits, big-endian, 0 if the packet did not have an inner VLAN tag) - * Packet length (16 bits, little-endian, may be 0) - * MAC timestamp (32 bits, little-endian, may be 0) - * VLAN tag - * (16 bits, big-endian, 0 if the packet did not have an outer VLAN tag) - * VLAN tag - * (16 bits, big-endian, 0 if the packet did not have an inner VLAN tag) - */ - __checkReturn efx_rc_t efx_psuedo_hdr_pkt_length_get( __in efx_nic_t *enp, __in uint8_t *buffer, - __out uint16_t *pkt_lengthp) + __out uint16_t *lengthp) { - if (enp->en_family != EFX_FAMILY_HUNTINGTON && - enp->en_family != EFX_FAMILY_MEDFORD) { - EFSYS_ASSERT(0); - return (ENOTSUP); - } - - *pkt_lengthp = buffer[8] | (buffer[9] << 8); + efx_rx_ops_t *erxop = enp->en_erxop; - return (0); + return (erxop->erxo_prefix_pktlen(enp, buffer, lengthp)); } #if EFSYS_OPT_RX_SCALE - -uint32_t + __checkReturn uint32_t efx_psuedo_hdr_hash_get( __in efx_nic_t *enp, __in efx_rx_hash_alg_t func, __in uint8_t *buffer) { - if (func == EFX_RX_HASHALG_TOEPLITZ) { - switch (enp->en_family) { - case EFX_FAMILY_FALCON: - case EFX_FAMILY_SIENA: - return ((buffer[12] << 24) | - (buffer[13] << 16) | - (buffer[14] << 8) | - buffer[15]); - case EFX_FAMILY_HUNTINGTON: - case EFX_FAMILY_MEDFORD: - return (buffer[0] | - (buffer[1] << 8) | - (buffer[2] << 16) | - (buffer[3] << 24)); - default: - EFSYS_ASSERT(0); - return (0); - } - } else if (func == EFX_RX_HASHALG_LFSR) { - EFSYS_ASSERT(enp->en_family == EFX_FAMILY_FALCON || - enp->en_family == EFX_FAMILY_SIENA); - return ((buffer[14] << 8) | buffer[15]); - } else { - EFSYS_ASSERT(0); - return (0); - } -} + efx_rx_ops_t *erxop = enp->en_erxop; + EFSYS_ASSERT3U(enp->en_hash_support, ==, EFX_RX_HASH_AVAILABLE); + return (erxop->erxo_prefix_hash(enp, func, buffer)); +} #endif /* EFSYS_OPT_RX_SCALE */ #if EFSYS_OPT_FALCON || EFSYS_OPT_SIENA @@ -1026,6 +981,58 @@ fail1: } #endif +/* + * Falcon/Siena psuedo-header + * -------------------------- + * + * Receive packets are prefixed by an optional 16 byte pseudo-header. + * The psuedo-header is a byte array of one of the forms: + * + * 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 + * xx.xx.xx.xx.xx.xx.xx.xx.xx.xx.xx.xx.TT.TT.TT.TT + * xx.xx.xx.xx.xx.xx.xx.xx.xx.xx.xx.xx.xx.xx.LL.LL + * + * where: + * TT.TT.TT.TT Toeplitz hash (32-bit big-endian) + * LL.LL LFSR hash (16-bit big-endian) + */ + +#if EFSYS_OPT_RX_SCALE +static __checkReturn uint32_t +falconsiena_rx_prefix_hash( + __in efx_nic_t *enp, + __in efx_rx_hash_alg_t func, + __in uint8_t *buffer) +{ + switch (func) { + case EFX_RX_HASHALG_TOEPLITZ: + return ((buffer[12] << 24) | + (buffer[13] << 16) | + (buffer[14] << 8) | + buffer[15]); + + case EFX_RX_HASHALG_LFSR: + return ((buffer[14] << 8) | buffer[15]); + + default: + EFSYS_ASSERT(0); + return (0); + } +} +#endif /* EFSYS_OPT_RX_SCALE */ + +static __checkReturn efx_rc_t +falconsiena_rx_prefix_pktlen( + __in efx_nic_t *enp, + __in uint8_t *buffer, + __out uint16_t *lengthp) +{ + /* Not supported by Falcon/Siena hardware */ + EFSYS_ASSERT(0); + return (ENOTSUP); +} + + static void falconsiena_rx_qpost( __in efx_rxq_t *erp, |
