__in unsigned int buf_size);
#endif /* EFSYS_OPT_RX_SCATTER */
+#if EFSYS_OPT_RX_SCALE
+static __checkReturn efx_rc_t
+siena_rx_scale_mode_set(
+ __in efx_nic_t *enp,
+ __in efx_rx_hash_alg_t alg,
+ __in efx_rx_hash_type_t type,
+ __in boolean_t insert);
+
+static __checkReturn efx_rc_t
+siena_rx_scale_key_set(
+ __in efx_nic_t *enp,
+ __in_ecount(n) uint8_t *key,
+ __in size_t n);
+
+static __checkReturn efx_rc_t
+siena_rx_scale_tbl_set(
+ __in efx_nic_t *enp,
+ __in_ecount(n) unsigned int *table,
+ __in size_t n);
+
+static __checkReturn uint32_t
+siena_rx_prefix_hash(
+ __in efx_nic_t *enp,
+ __in efx_rx_hash_alg_t func,
+ __in uint8_t *buffer);
+
+#endif /* EFSYS_OPT_RX_SCALE */
+
static __checkReturn efx_rc_t
siena_rx_prefix_pktlen(
__in efx_nic_t *enp,
siena_rx_fini, /* erxo_fini */
#if EFSYS_OPT_RX_SCATTER
siena_rx_scatter_enable, /* erxo_scatter_enable */
+#endif
+#if EFSYS_OPT_RX_SCALE
+ siena_rx_scale_mode_set, /* erxo_scale_mode_set */
+ siena_rx_scale_key_set, /* erxo_scale_key_set */
+ siena_rx_scale_tbl_set, /* erxo_scale_tbl_set */
+ siena_rx_prefix_hash, /* erxo_prefix_hash */
#endif
siena_rx_prefix_pktlen, /* erxo_prefix_pktlen */
siena_rx_qpost, /* erxo_qpost */
ef10_rx_fini, /* erxo_fini */
#if EFSYS_OPT_RX_SCATTER
ef10_rx_scatter_enable, /* erxo_scatter_enable */
+#endif
+#if EFSYS_OPT_RX_SCALE
+ 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 */
}
#endif /* EFSYS_OPT_RX_SCATTER */
+#if EFSYS_OPT_RX_SCALE
+ __checkReturn efx_rc_t
+efx_rx_hash_support_get(
+ __in efx_nic_t *enp,
+ __out efx_rx_hash_support_t *supportp)
+{
+ efx_rc_t rc;
+
+ EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
+ EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_RX);
+
+ if (supportp == NULL) {
+ rc = EINVAL;
+ goto fail1;
+ }
+
+ /* Report if resources are available to insert RX hash value */
+ *supportp = enp->en_hash_support;
+
+ return (0);
+
+fail1:
+ EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+ return (rc);
+}
+
+ __checkReturn efx_rc_t
+efx_rx_scale_support_get(
+ __in efx_nic_t *enp,
+ __out efx_rx_scale_support_t *supportp)
+{
+ efx_rc_t rc;
+
+ EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
+ EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_RX);
+
+ if (supportp == NULL) {
+ rc = EINVAL;
+ goto fail1;
+ }
+
+ /* Report if resources are available to support RSS */
+ *supportp = enp->en_rss_support;
+
+ return (0);
+
+fail1:
+ EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+ return (rc);
+}
+
+ __checkReturn efx_rc_t
+efx_rx_scale_mode_set(
+ __in efx_nic_t *enp,
+ __in efx_rx_hash_alg_t alg,
+ __in efx_rx_hash_type_t type,
+ __in boolean_t insert)
+{
+ const efx_rx_ops_t *erxop = enp->en_erxop;
+ efx_rc_t rc;
+
+ EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
+ EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_RX);
+
+ if (erxop->erxo_scale_mode_set != NULL) {
+ if ((rc = erxop->erxo_scale_mode_set(enp, alg,
+ type, insert)) != 0)
+ goto fail1;
+ }
+
+ return (0);
+
+fail1:
+ EFSYS_PROBE1(fail1, efx_rc_t, rc);
+ return (rc);
+}
+#endif /* EFSYS_OPT_RX_SCALE */
+
+#if EFSYS_OPT_RX_SCALE
+ __checkReturn efx_rc_t
+efx_rx_scale_key_set(
+ __in efx_nic_t *enp,
+ __in_ecount(n) uint8_t *key,
+ __in size_t n)
+{
+ const efx_rx_ops_t *erxop = enp->en_erxop;
+ efx_rc_t rc;
+
+ EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
+ EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_RX);
+
+ if ((rc = erxop->erxo_scale_key_set(enp, key, n)) != 0)
+ goto fail1;
+
+ return (0);
+
+fail1:
+ EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+ return (rc);
+}
+#endif /* EFSYS_OPT_RX_SCALE */
+
+#if EFSYS_OPT_RX_SCALE
+ __checkReturn efx_rc_t
+efx_rx_scale_tbl_set(
+ __in efx_nic_t *enp,
+ __in_ecount(n) unsigned int *table,
+ __in size_t n)
+{
+ const efx_rx_ops_t *erxop = enp->en_erxop;
+ efx_rc_t rc;
+
+ EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
+ EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_RX);
+
+ if ((rc = erxop->erxo_scale_tbl_set(enp, table, n)) != 0)
+ goto fail1;
+
+ return (0);
+
+fail1:
+ EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+ return (rc);
+}
+#endif /* EFSYS_OPT_RX_SCALE */
+
void
efx_rx_qpost(
__in efx_rxq_t *erp,
return (erxop->erxo_prefix_pktlen(enp, buffer, lengthp));
}
+#if EFSYS_OPT_RX_SCALE
+ __checkReturn uint32_t
+efx_pseudo_hdr_hash_get(
+ __in efx_rxq_t *erp,
+ __in efx_rx_hash_alg_t func,
+ __in uint8_t *buffer)
+{
+ efx_nic_t *enp = erp->er_enp;
+ const efx_rx_ops_t *erxop = enp->en_erxop;
+
+ EFSYS_ASSERT3U(erp->er_magic, ==, EFX_RXQ_MAGIC);
+
+ 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_SIENA
static __checkReturn efx_rc_t
index, &oword, B_TRUE);
}
+#if EFSYS_OPT_RX_SCALE
+ /* The RSS key and indirection table are writable. */
+ enp->en_rss_support = EFX_RX_SCALE_EXCLUSIVE;
+
+ /* Hardware can insert RX hash with/without RSS */
+ enp->en_hash_support = EFX_RX_HASH_AVAILABLE;
+#endif /* EFSYS_OPT_RX_SCALE */
+
return (0);
}
} while (B_FALSE)
+#if EFSYS_OPT_RX_SCALE
+
+static __checkReturn efx_rc_t
+siena_rx_scale_mode_set(
+ __in efx_nic_t *enp,
+ __in efx_rx_hash_alg_t alg,
+ __in efx_rx_hash_type_t type,
+ __in boolean_t insert)
+{
+ efx_rc_t rc;
+
+ switch (alg) {
+ case EFX_RX_HASHALG_LFSR:
+ EFX_RX_LFSR_HASH(enp, insert);
+ break;
+
+ case EFX_RX_HASHALG_TOEPLITZ:
+ EFX_RX_TOEPLITZ_IPV4_HASH(enp, insert,
+ type & (1 << EFX_RX_HASH_IPV4),
+ type & (1 << EFX_RX_HASH_TCPIPV4));
+
+ EFX_RX_TOEPLITZ_IPV6_HASH(enp,
+ type & (1 << EFX_RX_HASH_IPV6),
+ type & (1 << EFX_RX_HASH_TCPIPV6),
+ rc);
+ if (rc != 0)
+ goto fail1;
+
+ break;
+
+ default:
+ rc = EINVAL;
+ goto fail2;
+ }
+
+ return (0);
+
+fail2:
+ EFSYS_PROBE(fail2);
+fail1:
+ EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+ EFX_RX_LFSR_HASH(enp, B_FALSE);
+
+ return (rc);
+}
+#endif
+
+#if EFSYS_OPT_RX_SCALE
+static __checkReturn efx_rc_t
+siena_rx_scale_key_set(
+ __in efx_nic_t *enp,
+ __in_ecount(n) uint8_t *key,
+ __in size_t n)
+{
+ efx_oword_t oword;
+ unsigned int byte;
+ unsigned int offset;
+ efx_rc_t rc;
+
+ byte = 0;
+
+ /* Write Toeplitz IPv4 hash key */
+ EFX_ZERO_OWORD(oword);
+ for (offset = (FRF_BZ_RX_RSS_TKEY_LBN + FRF_BZ_RX_RSS_TKEY_WIDTH) / 8;
+ offset > 0 && byte < n;
+ --offset)
+ oword.eo_u8[offset - 1] = key[byte++];
+
+ EFX_BAR_WRITEO(enp, FR_BZ_RX_RSS_TKEY_REG, &oword);
+
+ byte = 0;
+
+ /* Verify Toeplitz IPv4 hash key */
+ EFX_BAR_READO(enp, FR_BZ_RX_RSS_TKEY_REG, &oword);
+ for (offset = (FRF_BZ_RX_RSS_TKEY_LBN + FRF_BZ_RX_RSS_TKEY_WIDTH) / 8;
+ offset > 0 && byte < n;
+ --offset) {
+ if (oword.eo_u8[offset - 1] != key[byte++]) {
+ rc = EFAULT;
+ goto fail1;
+ }
+ }
+
+ if ((enp->en_features & EFX_FEATURE_IPV6) == 0)
+ goto done;
+
+ byte = 0;
+
+ /* Write Toeplitz IPv6 hash key 3 */
+ EFX_BAR_READO(enp, FR_CZ_RX_RSS_IPV6_REG3, &oword);
+ for (offset = (FRF_CZ_RX_RSS_IPV6_TKEY_HI_LBN +
+ FRF_CZ_RX_RSS_IPV6_TKEY_HI_WIDTH) / 8;
+ offset > 0 && byte < n;
+ --offset)
+ oword.eo_u8[offset - 1] = key[byte++];
+
+ EFX_BAR_WRITEO(enp, FR_CZ_RX_RSS_IPV6_REG3, &oword);
+
+ /* Write Toeplitz IPv6 hash key 2 */
+ EFX_ZERO_OWORD(oword);
+ for (offset = (FRF_CZ_RX_RSS_IPV6_TKEY_MID_LBN +
+ FRF_CZ_RX_RSS_IPV6_TKEY_MID_WIDTH) / 8;
+ offset > 0 && byte < n;
+ --offset)
+ oword.eo_u8[offset - 1] = key[byte++];
+
+ EFX_BAR_WRITEO(enp, FR_CZ_RX_RSS_IPV6_REG2, &oword);
+
+ /* Write Toeplitz IPv6 hash key 1 */
+ EFX_ZERO_OWORD(oword);
+ for (offset = (FRF_CZ_RX_RSS_IPV6_TKEY_LO_LBN +
+ FRF_CZ_RX_RSS_IPV6_TKEY_LO_WIDTH) / 8;
+ offset > 0 && byte < n;
+ --offset)
+ oword.eo_u8[offset - 1] = key[byte++];
+
+ EFX_BAR_WRITEO(enp, FR_CZ_RX_RSS_IPV6_REG1, &oword);
+
+ byte = 0;
+
+ /* Verify Toeplitz IPv6 hash key 3 */
+ EFX_BAR_READO(enp, FR_CZ_RX_RSS_IPV6_REG3, &oword);
+ for (offset = (FRF_CZ_RX_RSS_IPV6_TKEY_HI_LBN +
+ FRF_CZ_RX_RSS_IPV6_TKEY_HI_WIDTH) / 8;
+ offset > 0 && byte < n;
+ --offset) {
+ if (oword.eo_u8[offset - 1] != key[byte++]) {
+ rc = EFAULT;
+ goto fail2;
+ }
+ }
+
+ /* Verify Toeplitz IPv6 hash key 2 */
+ EFX_BAR_READO(enp, FR_CZ_RX_RSS_IPV6_REG2, &oword);
+ for (offset = (FRF_CZ_RX_RSS_IPV6_TKEY_MID_LBN +
+ FRF_CZ_RX_RSS_IPV6_TKEY_MID_WIDTH) / 8;
+ offset > 0 && byte < n;
+ --offset) {
+ if (oword.eo_u8[offset - 1] != key[byte++]) {
+ rc = EFAULT;
+ goto fail3;
+ }
+ }
+
+ /* Verify Toeplitz IPv6 hash key 1 */
+ EFX_BAR_READO(enp, FR_CZ_RX_RSS_IPV6_REG1, &oword);
+ for (offset = (FRF_CZ_RX_RSS_IPV6_TKEY_LO_LBN +
+ FRF_CZ_RX_RSS_IPV6_TKEY_LO_WIDTH) / 8;
+ offset > 0 && byte < n;
+ --offset) {
+ if (oword.eo_u8[offset - 1] != key[byte++]) {
+ rc = EFAULT;
+ goto fail4;
+ }
+ }
+
+done:
+ return (0);
+
+fail4:
+ EFSYS_PROBE(fail4);
+fail3:
+ EFSYS_PROBE(fail3);
+fail2:
+ EFSYS_PROBE(fail2);
+fail1:
+ EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+ return (rc);
+}
+#endif
+
+#if EFSYS_OPT_RX_SCALE
+static __checkReturn efx_rc_t
+siena_rx_scale_tbl_set(
+ __in efx_nic_t *enp,
+ __in_ecount(n) unsigned int *table,
+ __in size_t n)
+{
+ efx_oword_t oword;
+ int index;
+ efx_rc_t rc;
+
+ EFX_STATIC_ASSERT(EFX_RSS_TBL_SIZE == FR_BZ_RX_INDIRECTION_TBL_ROWS);
+ EFX_STATIC_ASSERT(EFX_MAXRSS == (1 << FRF_BZ_IT_QUEUE_WIDTH));
+
+ if (n > FR_BZ_RX_INDIRECTION_TBL_ROWS) {
+ rc = EINVAL;
+ goto fail1;
+ }
+
+ for (index = 0; index < FR_BZ_RX_INDIRECTION_TBL_ROWS; index++) {
+ uint32_t byte;
+
+ /* Calculate the entry to place in the table */
+ byte = (n > 0) ? (uint32_t)table[index % n] : 0;
+
+ EFSYS_PROBE2(table, int, index, uint32_t, byte);
+
+ EFX_POPULATE_OWORD_1(oword, FRF_BZ_IT_QUEUE, byte);
+
+ /* Write the table */
+ EFX_BAR_TBL_WRITEO(enp, FR_BZ_RX_INDIRECTION_TBL,
+ index, &oword, B_TRUE);
+ }
+
+ for (index = FR_BZ_RX_INDIRECTION_TBL_ROWS - 1; index >= 0; --index) {
+ uint32_t byte;
+
+ /* Determine if we're starting a new batch */
+ byte = (n > 0) ? (uint32_t)table[index % n] : 0;
+
+ /* Read the table */
+ EFX_BAR_TBL_READO(enp, FR_BZ_RX_INDIRECTION_TBL,
+ index, &oword, B_TRUE);
+
+ /* Verify the entry */
+ if (EFX_OWORD_FIELD(oword, FRF_BZ_IT_QUEUE) != byte) {
+ rc = EFAULT;
+ goto fail2;
+ }
+ }
+
+ return (0);
+
+fail2:
+ EFSYS_PROBE(fail2);
+fail1:
+ EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+ return (rc);
+}
+#endif
+
/*
* Falcon/Siena pseudo-header
* --------------------------
* LL.LL LFSR hash (16-bit big-endian)
*/
+#if EFSYS_OPT_RX_SCALE
+static __checkReturn uint32_t
+siena_rx_prefix_hash(
+ __in efx_nic_t *enp,
+ __in efx_rx_hash_alg_t func,
+ __in uint8_t *buffer)
+{
+ _NOTE(ARGUNUSED(enp))
+
+ 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
siena_rx_prefix_pktlen(
__in efx_nic_t *enp,
git.droids-corp.org / dpdk.git / blobdiff