-/*
- * Copyright (c) 2007-2016 Solarflare Communications Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
+/* SPDX-License-Identifier: BSD-3-Clause
*
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
- * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
- * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
- * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
- * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * The views and conclusions contained in the software and documentation are
- * those of the authors and should not be interpreted as representing official
- * policies, either expressed or implied, of the FreeBSD Project.
+ * Copyright (c) 2007-2018 Solarflare Communications Inc.
+ * All rights reserved.
*/
#include "efx.h"
siena_rx_fini(
__in efx_nic_t *enp);
+#if EFSYS_OPT_RX_SCATTER
+static __checkReturn efx_rc_t
+siena_rx_scatter_enable(
+ __in efx_nic_t *enp,
+ __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 uint32_t rss_context,
+ __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 uint32_t rss_context,
+ __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 uint32_t rss_context,
+ __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,
__in uint8_t *buffer,
__out uint16_t *lengthp);
-static void
+static void
siena_rx_qpost(
- __in efx_rxq_t *erp,
- __in_ecount(n) efsys_dma_addr_t *addrp,
- __in size_t size,
- __in unsigned int n,
- __in unsigned int completed,
- __in unsigned int added);
+ __in efx_rxq_t *erp,
+ __in_ecount(ndescs) efsys_dma_addr_t *addrp,
+ __in size_t size,
+ __in unsigned int ndescs,
+ __in unsigned int completed,
+ __in unsigned int added);
static void
siena_rx_qpush(
__in unsigned int added,
__inout unsigned int *pushedp);
+#if EFSYS_OPT_RX_PACKED_STREAM
+static void
+siena_rx_qpush_ps_credits(
+ __in efx_rxq_t *erp);
+
+static __checkReturn uint8_t *
+siena_rx_qps_packet_info(
+ __in efx_rxq_t *erp,
+ __in uint8_t *buffer,
+ __in uint32_t buffer_length,
+ __in uint32_t current_offset,
+ __out uint16_t *lengthp,
+ __out uint32_t *next_offsetp,
+ __out uint32_t *timestamp);
+#endif
+
static __checkReturn efx_rc_t
siena_rx_qflush(
__in efx_rxq_t *erp);
__in unsigned int index,
__in unsigned int label,
__in efx_rxq_type_t type,
+ __in uint32_t type_data,
__in efsys_mem_t *esmp,
- __in size_t n,
+ __in size_t ndescs,
__in uint32_t id,
+ __in unsigned int flags,
__in efx_evq_t *eep,
__in efx_rxq_t *erp);
static const efx_rx_ops_t __efx_rx_siena_ops = {
siena_rx_init, /* erxo_init */
siena_rx_fini, /* erxo_fini */
+#if EFSYS_OPT_RX_SCATTER
+ siena_rx_scatter_enable, /* erxo_scatter_enable */
+#endif
+#if EFSYS_OPT_RX_SCALE
+ NULL, /* erxo_scale_context_alloc */
+ NULL, /* erxo_scale_context_free */
+ 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 */
siena_rx_qpush, /* erxo_qpush */
+#if EFSYS_OPT_RX_PACKED_STREAM
+ siena_rx_qpush_ps_credits, /* erxo_qpush_ps_credits */
+ siena_rx_qps_packet_info, /* erxo_qps_packet_info */
+#endif
siena_rx_qflush, /* erxo_qflush */
siena_rx_qenable, /* erxo_qenable */
siena_rx_qcreate, /* erxo_qcreate */
};
#endif /* EFSYS_OPT_SIENA */
+#if EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD || EFSYS_OPT_MEDFORD2
+static const efx_rx_ops_t __efx_rx_ef10_ops = {
+ ef10_rx_init, /* erxo_init */
+ 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_context_alloc, /* erxo_scale_context_alloc */
+ ef10_rx_scale_context_free, /* erxo_scale_context_free */
+ 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 */
+#if EFSYS_OPT_RX_PACKED_STREAM
+ ef10_rx_qpush_ps_credits, /* erxo_qpush_ps_credits */
+ ef10_rx_qps_packet_info, /* erxo_qps_packet_info */
+#endif
+ ef10_rx_qflush, /* erxo_qflush */
+ ef10_rx_qenable, /* erxo_qenable */
+ ef10_rx_qcreate, /* erxo_qcreate */
+ ef10_rx_qdestroy, /* erxo_qdestroy */
+};
+#endif /* EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD || EFSYS_OPT_MEDFORD2 */
+
__checkReturn efx_rc_t
efx_rx_init(
break;
#endif /* EFSYS_OPT_SIENA */
+#if EFSYS_OPT_HUNTINGTON
+ case EFX_FAMILY_HUNTINGTON:
+ erxop = &__efx_rx_ef10_ops;
+ break;
+#endif /* EFSYS_OPT_HUNTINGTON */
+
+#if EFSYS_OPT_MEDFORD
+ case EFX_FAMILY_MEDFORD:
+ erxop = &__efx_rx_ef10_ops;
+ break;
+#endif /* EFSYS_OPT_MEDFORD */
+
+#if EFSYS_OPT_MEDFORD2
+ case EFX_FAMILY_MEDFORD2:
+ erxop = &__efx_rx_ef10_ops;
+ break;
+#endif /* EFSYS_OPT_MEDFORD2 */
+
default:
EFSYS_ASSERT(0);
rc = ENOTSUP;
enp->en_mod_flags &= ~EFX_MOD_RX;
}
- void
+#if EFSYS_OPT_RX_SCATTER
+ __checkReturn efx_rc_t
+efx_rx_scatter_enable(
+ __in efx_nic_t *enp,
+ __in unsigned int buf_size)
+{
+ 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_scatter_enable(enp, buf_size)) != 0)
+ goto fail1;
+
+ return (0);
+
+fail1:
+ EFSYS_PROBE1(fail1, efx_rc_t, rc);
+ return (rc);
+}
+#endif /* EFSYS_OPT_RX_SCATTER */
+
+#if EFSYS_OPT_RX_SCALE
+ __checkReturn efx_rc_t
+efx_rx_scale_hash_flags_get(
+ __in efx_nic_t *enp,
+ __in efx_rx_hash_alg_t hash_alg,
+ __inout_ecount(EFX_RX_HASH_NFLAGS) unsigned int *flags,
+ __out unsigned int *nflagsp)
+{
+ efx_nic_cfg_t *encp = &enp->en_nic_cfg;
+ boolean_t additional_modes;
+ unsigned int *entryp = flags;
+ efx_rc_t rc;
+
+ if (flags == NULL || nflagsp == NULL) {
+ rc = EINVAL;
+ goto fail1;
+ }
+
+ additional_modes = encp->enc_rx_scale_additional_modes_supported;
+
+#define LIST_FLAGS(_entryp, _class, _l4_hashing, _additional_modes) \
+ do { \
+ if (_l4_hashing) { \
+ *(_entryp++) = EFX_RX_HASH(_class, 4TUPLE); \
+ \
+ if (_additional_modes) { \
+ *(_entryp++) = \
+ EFX_RX_HASH(_class, 2TUPLE_DST); \
+ *(_entryp++) = \
+ EFX_RX_HASH(_class, 2TUPLE_SRC); \
+ } \
+ } \
+ \
+ *(_entryp++) = EFX_RX_HASH(_class, 2TUPLE); \
+ \
+ if (_additional_modes) { \
+ *(_entryp++) = EFX_RX_HASH(_class, 1TUPLE_DST); \
+ *(_entryp++) = EFX_RX_HASH(_class, 1TUPLE_SRC); \
+ } \
+ \
+ *(_entryp++) = EFX_RX_HASH(_class, DISABLE); \
+ \
+ _NOTE(CONSTANTCONDITION) \
+ } while (B_FALSE)
+
+ switch (hash_alg) {
+ case EFX_RX_HASHALG_TOEPLITZ:
+ LIST_FLAGS(entryp, IPV4_TCP, B_TRUE, additional_modes);
+ LIST_FLAGS(entryp, IPV6_TCP, B_TRUE, additional_modes);
+
+ if (additional_modes) {
+ LIST_FLAGS(entryp, IPV4_UDP, B_TRUE, additional_modes);
+ LIST_FLAGS(entryp, IPV6_UDP, B_TRUE, additional_modes);
+ }
+
+ LIST_FLAGS(entryp, IPV4, B_FALSE, additional_modes);
+ LIST_FLAGS(entryp, IPV6, B_FALSE, additional_modes);
+ break;
+
+ default:
+ rc = EINVAL;
+ goto fail2;
+ }
+
+#undef LIST_FLAGS
+
+ *nflagsp = (unsigned int)(entryp - flags);
+ EFSYS_ASSERT3U(*nflagsp, <=, EFX_RX_HASH_NFLAGS);
+
+ return (0);
+
+fail2:
+ EFSYS_PROBE(fail2);
+
+fail1:
+ EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+ return (rc);
+}
+
+ __checkReturn efx_rc_t
+efx_rx_hash_default_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 the hashing support the client gets by default if it
+ * does not allocate an RSS context itself.
+ */
+ *supportp = enp->en_hash_support;
+
+ return (0);
+
+fail1:
+ EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+ return (rc);
+}
+
+ __checkReturn efx_rc_t
+efx_rx_scale_default_support_get(
+ __in efx_nic_t *enp,
+ __out efx_rx_scale_context_type_t *typep)
+{
+ efx_rc_t rc;
+
+ EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
+ EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_RX);
+
+ if (typep == NULL) {
+ rc = EINVAL;
+ goto fail1;
+ }
+
+ /*
+ * Report the RSS support the client gets by default if it
+ * does not allocate an RSS context itself.
+ */
+ *typep = enp->en_rss_context_type;
+
+ 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_context_alloc(
+ __in efx_nic_t *enp,
+ __in efx_rx_scale_context_type_t type,
+ __in uint32_t num_queues,
+ __out uint32_t *rss_contextp)
+{
+ 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_context_alloc == NULL) {
+ rc = ENOTSUP;
+ goto fail1;
+ }
+ if ((rc = erxop->erxo_scale_context_alloc(enp, type,
+ num_queues, rss_contextp)) != 0) {
+ goto fail2;
+ }
+
+ return (0);
+
+fail2:
+ EFSYS_PROBE(fail2);
+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_context_free(
+ __in efx_nic_t *enp,
+ __in uint32_t rss_context)
+{
+ 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_context_free == NULL) {
+ rc = ENOTSUP;
+ goto fail1;
+ }
+ if ((rc = erxop->erxo_scale_context_free(enp, rss_context)) != 0)
+ goto fail2;
+
+ return (0);
+
+fail2:
+ EFSYS_PROBE(fail2);
+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_mode_set(
+ __in efx_nic_t *enp,
+ __in uint32_t rss_context,
+ __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;
+ unsigned int type_flags[EFX_RX_HASH_NFLAGS];
+ unsigned int type_nflags;
+ efx_rx_hash_type_t type_check;
+ unsigned int i;
+ efx_rc_t rc;
+
+ EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
+ EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_RX);
+
+ /*
+ * Legacy flags and modern bits cannot be
+ * used at the same time in the hash type.
+ */
+ if ((type & EFX_RX_HASH_LEGACY_MASK) &&
+ (type & ~EFX_RX_HASH_LEGACY_MASK)) {
+ rc = EINVAL;
+ goto fail1;
+ }
+
+ /*
+ * Translate legacy flags to the new representation
+ * so that chip-specific handlers will consider the
+ * new flags only.
+ */
+ if (type & EFX_RX_HASH_IPV4) {
+ type |= EFX_RX_HASH(IPV4, 2TUPLE);
+ type |= EFX_RX_HASH(IPV4_TCP, 2TUPLE);
+ type |= EFX_RX_HASH(IPV4_UDP, 2TUPLE);
+ }
+
+ if (type & EFX_RX_HASH_TCPIPV4)
+ type |= EFX_RX_HASH(IPV4_TCP, 4TUPLE);
+
+ if (type & EFX_RX_HASH_IPV6) {
+ type |= EFX_RX_HASH(IPV6, 2TUPLE);
+ type |= EFX_RX_HASH(IPV6_TCP, 2TUPLE);
+ type |= EFX_RX_HASH(IPV6_UDP, 2TUPLE);
+ }
+
+ if (type & EFX_RX_HASH_TCPIPV6)
+ type |= EFX_RX_HASH(IPV6_TCP, 4TUPLE);
+
+ type &= ~EFX_RX_HASH_LEGACY_MASK;
+ type_check = type;
+
+ /*
+ * Get the list of supported hash flags and sanitise the input.
+ */
+ rc = efx_rx_scale_hash_flags_get(enp, alg, type_flags, &type_nflags);
+ if (rc != 0)
+ goto fail2;
+
+ for (i = 0; i < type_nflags; ++i) {
+ if ((type_check & type_flags[i]) == type_flags[i])
+ type_check &= ~(type_flags[i]);
+ }
+
+ if (type_check != 0) {
+ rc = EINVAL;
+ goto fail3;
+ }
+
+ if (erxop->erxo_scale_mode_set != NULL) {
+ if ((rc = erxop->erxo_scale_mode_set(enp, rss_context, alg,
+ type, insert)) != 0)
+ goto fail4;
+ }
+
+ 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 /* EFSYS_OPT_RX_SCALE */
+
+#if EFSYS_OPT_RX_SCALE
+ __checkReturn efx_rc_t
+efx_rx_scale_key_set(
+ __in efx_nic_t *enp,
+ __in uint32_t rss_context,
+ __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, rss_context, 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 uint32_t rss_context,
+ __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, rss_context, 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,
- __in_ecount(n) efsys_dma_addr_t *addrp,
- __in size_t size,
- __in unsigned int n,
- __in unsigned int completed,
- __in unsigned int added)
+ __in efx_rxq_t *erp,
+ __in_ecount(ndescs) efsys_dma_addr_t *addrp,
+ __in size_t size,
+ __in unsigned int ndescs,
+ __in unsigned int completed,
+ __in unsigned int added)
{
efx_nic_t *enp = erp->er_enp;
const efx_rx_ops_t *erxop = enp->en_erxop;
EFSYS_ASSERT3U(erp->er_magic, ==, EFX_RXQ_MAGIC);
- erxop->erxo_qpost(erp, addrp, size, n, completed, added);
+ erxop->erxo_qpost(erp, addrp, size, ndescs, completed, added);
}
+#if EFSYS_OPT_RX_PACKED_STREAM
+
+ void
+efx_rx_qpush_ps_credits(
+ __in efx_rxq_t *erp)
+{
+ efx_nic_t *enp = erp->er_enp;
+ const efx_rx_ops_t *erxop = enp->en_erxop;
+
+ EFSYS_ASSERT3U(erp->er_magic, ==, EFX_RXQ_MAGIC);
+
+ erxop->erxo_qpush_ps_credits(erp);
+}
+
+ __checkReturn uint8_t *
+efx_rx_qps_packet_info(
+ __in efx_rxq_t *erp,
+ __in uint8_t *buffer,
+ __in uint32_t buffer_length,
+ __in uint32_t current_offset,
+ __out uint16_t *lengthp,
+ __out uint32_t *next_offsetp,
+ __out uint32_t *timestamp)
+{
+ efx_nic_t *enp = erp->er_enp;
+ const efx_rx_ops_t *erxop = enp->en_erxop;
+
+ return (erxop->erxo_qps_packet_info(erp, buffer,
+ buffer_length, current_offset, lengthp,
+ next_offsetp, timestamp));
+}
+
+#endif /* EFSYS_OPT_RX_PACKED_STREAM */
+
void
efx_rx_qpush(
__in efx_rxq_t *erp,
erxop->erxo_qenable(erp);
}
- __checkReturn efx_rc_t
-efx_rx_qcreate(
+static __checkReturn efx_rc_t
+efx_rx_qcreate_internal(
__in efx_nic_t *enp,
__in unsigned int index,
__in unsigned int label,
__in efx_rxq_type_t type,
+ __in uint32_t type_data,
__in efsys_mem_t *esmp,
- __in size_t n,
+ __in size_t ndescs,
__in uint32_t id,
+ __in unsigned int flags,
__in efx_evq_t *eep,
__deref_out efx_rxq_t **erpp)
{
erp->er_magic = EFX_RXQ_MAGIC;
erp->er_enp = enp;
erp->er_index = index;
- erp->er_mask = n - 1;
+ erp->er_mask = ndescs - 1;
erp->er_esmp = esmp;
- if ((rc = erxop->erxo_qcreate(enp, index, label, type, esmp, n, id,
- eep, erp)) != 0)
+ if ((rc = erxop->erxo_qcreate(enp, index, label, type, type_data, esmp,
+ ndescs, id, flags, eep, erp)) != 0)
goto fail2;
enp->en_rx_qcount++;
return (rc);
}
+ __checkReturn efx_rc_t
+efx_rx_qcreate(
+ __in efx_nic_t *enp,
+ __in unsigned int index,
+ __in unsigned int label,
+ __in efx_rxq_type_t type,
+ __in efsys_mem_t *esmp,
+ __in size_t ndescs,
+ __in uint32_t id,
+ __in unsigned int flags,
+ __in efx_evq_t *eep,
+ __deref_out efx_rxq_t **erpp)
+{
+ return efx_rx_qcreate_internal(enp, index, label, type, 0, esmp, ndescs,
+ id, flags, eep, erpp);
+}
+
+#if EFSYS_OPT_RX_PACKED_STREAM
+
+ __checkReturn efx_rc_t
+efx_rx_qcreate_packed_stream(
+ __in efx_nic_t *enp,
+ __in unsigned int index,
+ __in unsigned int label,
+ __in uint32_t ps_buf_size,
+ __in efsys_mem_t *esmp,
+ __in size_t ndescs,
+ __in efx_evq_t *eep,
+ __deref_out efx_rxq_t **erpp)
+{
+ return efx_rx_qcreate_internal(enp, index, label,
+ EFX_RXQ_TYPE_PACKED_STREAM, ps_buf_size, esmp, ndescs,
+ 0 /* id unused on EF10 */, EFX_RXQ_FLAG_NONE, eep, erpp);
+}
+
+#endif
+
void
efx_rx_qdestroy(
__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_context_type = 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);
+}
+
+#if EFSYS_OPT_RX_SCATTER
+static __checkReturn efx_rc_t
+siena_rx_scatter_enable(
+ __in efx_nic_t *enp,
+ __in unsigned int buf_size)
+{
+ unsigned int nbuf32;
+ efx_oword_t oword;
+ efx_rc_t rc;
+
+ nbuf32 = buf_size / 32;
+ if ((nbuf32 == 0) ||
+ (nbuf32 >= (1 << FRF_BZ_RX_USR_BUF_SIZE_WIDTH)) ||
+ ((buf_size % 32) != 0)) {
+ rc = EINVAL;
+ goto fail1;
+ }
+
+ if (enp->en_rx_qcount > 0) {
+ rc = EBUSY;
+ goto fail2;
+ }
+
+ /* Set scatter buffer size */
+ EFX_BAR_READO(enp, FR_AZ_RX_CFG_REG, &oword);
+ EFX_SET_OWORD_FIELD(oword, FRF_BZ_RX_USR_BUF_SIZE, nbuf32);
+ EFX_BAR_WRITEO(enp, FR_AZ_RX_CFG_REG, &oword);
+
+ /* Enable scatter for packets not matching a filter */
+ EFX_BAR_READO(enp, FR_AZ_RX_FILTER_CTL_REG, &oword);
+ EFX_SET_OWORD_FIELD(oword, FRF_BZ_SCATTER_ENBL_NO_MATCH_Q, 1);
+ EFX_BAR_WRITEO(enp, FR_AZ_RX_FILTER_CTL_REG, &oword);
+
return (0);
+
+fail2:
+ EFSYS_PROBE(fail2);
+fail1:
+ EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+ return (rc);
}
+#endif /* EFSYS_OPT_RX_SCATTER */
#define EFX_RX_LFSR_HASH(_enp, _insert) \
} while (B_FALSE)
+#if EFSYS_OPT_RX_SCALE
+
+static __checkReturn efx_rc_t
+siena_rx_scale_mode_set(
+ __in efx_nic_t *enp,
+ __in uint32_t rss_context,
+ __in efx_rx_hash_alg_t alg,
+ __in efx_rx_hash_type_t type,
+ __in boolean_t insert)
+{
+ efx_rx_hash_type_t type_ipv4 = EFX_RX_HASH(IPV4, 2TUPLE);
+ efx_rx_hash_type_t type_ipv4_tcp = EFX_RX_HASH(IPV4_TCP, 4TUPLE);
+ efx_rx_hash_type_t type_ipv6 = EFX_RX_HASH(IPV6, 2TUPLE);
+ efx_rx_hash_type_t type_ipv6_tcp = EFX_RX_HASH(IPV6_TCP, 4TUPLE);
+ efx_rc_t rc;
+
+ if (rss_context != EFX_RSS_CONTEXT_DEFAULT) {
+ rc = EINVAL;
+ goto fail1;
+ }
+
+ 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 & type_ipv4) == type_ipv4,
+ (type & type_ipv4_tcp) == type_ipv4_tcp);
+
+ EFX_RX_TOEPLITZ_IPV6_HASH(enp,
+ (type & type_ipv6) == type_ipv6,
+ (type & type_ipv6_tcp) == type_ipv6_tcp,
+ rc);
+ if (rc != 0)
+ goto fail2;
+
+ break;
+
+ default:
+ rc = EINVAL;
+ goto fail3;
+ }
+
+ return (0);
+
+fail3:
+ EFSYS_PROBE(fail3);
+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 uint32_t rss_context,
+ __in_ecount(n) uint8_t *key,
+ __in size_t n)
+{
+ efx_oword_t oword;
+ unsigned int byte;
+ unsigned int offset;
+ efx_rc_t rc;
+
+ if (rss_context != EFX_RSS_CONTEXT_DEFAULT) {
+ rc = EINVAL;
+ goto fail1;
+ }
+
+ 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 fail2;
+ }
+ }
+
+ 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 fail3;
+ }
+ }
+
+ /* 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 fail4;
+ }
+ }
+
+ /* 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 fail5;
+ }
+ }
+
+done:
+ return (0);
+
+fail5:
+ EFSYS_PROBE(fail5);
+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 uint32_t rss_context,
+ __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 (rss_context != EFX_RSS_CONTEXT_DEFAULT) {
+ rc = EINVAL;
+ goto fail1;
+ }
+
+ if (n > FR_BZ_RX_INDIRECTION_TBL_ROWS) {
+ rc = EINVAL;
+ goto fail2;
+ }
+
+ 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 fail3;
+ }
+ }
+
+ return (0);
+
+fail3:
+ EFSYS_PROBE(fail3);
+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,
}
-static void
+static void
siena_rx_qpost(
- __in efx_rxq_t *erp,
- __in_ecount(n) efsys_dma_addr_t *addrp,
- __in size_t size,
- __in unsigned int n,
- __in unsigned int completed,
- __in unsigned int added)
+ __in efx_rxq_t *erp,
+ __in_ecount(ndescs) efsys_dma_addr_t *addrp,
+ __in size_t size,
+ __in unsigned int ndescs,
+ __in unsigned int completed,
+ __in unsigned int added)
{
efx_qword_t qword;
unsigned int i;
unsigned int id;
/* The client driver must not overfill the queue */
- EFSYS_ASSERT3U(added - completed + n, <=,
+ EFSYS_ASSERT3U(added - completed + ndescs, <=,
EFX_RXQ_LIMIT(erp->er_mask + 1));
id = added & (erp->er_mask);
- for (i = 0; i < n; i++) {
+ for (i = 0; i < ndescs; i++) {
EFSYS_PROBE4(rx_post, unsigned int, erp->er_index,
unsigned int, id, efsys_dma_addr_t, addrp[i],
size_t, size);
erp->er_index, &dword, B_FALSE);
}
+#if EFSYS_OPT_RX_PACKED_STREAM
+static void
+siena_rx_qpush_ps_credits(
+ __in efx_rxq_t *erp)
+{
+ /* Not supported by Siena hardware */
+ EFSYS_ASSERT(0);
+}
+
+static uint8_t *
+siena_rx_qps_packet_info(
+ __in efx_rxq_t *erp,
+ __in uint8_t *buffer,
+ __in uint32_t buffer_length,
+ __in uint32_t current_offset,
+ __out uint16_t *lengthp,
+ __out uint32_t *next_offsetp,
+ __out uint32_t *timestamp)
+{
+ /* Not supported by Siena hardware */
+ EFSYS_ASSERT(0);
+
+ return (NULL);
+}
+#endif /* EFSYS_OPT_RX_PACKED_STREAM */
+
static __checkReturn efx_rc_t
siena_rx_qflush(
__in efx_rxq_t *erp)
__in unsigned int index,
__in unsigned int label,
__in efx_rxq_type_t type,
+ __in uint32_t type_data,
__in efsys_mem_t *esmp,
- __in size_t n,
+ __in size_t ndescs,
__in uint32_t id,
+ __in unsigned int flags,
__in efx_evq_t *eep,
__in efx_rxq_t *erp)
{
efx_nic_cfg_t *encp = &(enp->en_nic_cfg);
efx_oword_t oword;
uint32_t size;
- boolean_t jumbo;
+ boolean_t jumbo = B_FALSE;
efx_rc_t rc;
_NOTE(ARGUNUSED(esmp))
+ _NOTE(ARGUNUSED(type_data))
EFX_STATIC_ASSERT(EFX_EV_RX_NLABELS ==
(1 << FRF_AZ_RX_DESCQ_LABEL_WIDTH));
EFX_STATIC_ASSERT(ISP2(EFX_RXQ_MAXNDESCS));
EFX_STATIC_ASSERT(ISP2(EFX_RXQ_MINNDESCS));
- if (!ISP2(n) || (n < EFX_RXQ_MINNDESCS) || (n > EFX_RXQ_MAXNDESCS)) {
+ if (!ISP2(ndescs) ||
+ (ndescs < EFX_RXQ_MINNDESCS) || (ndescs > EFX_RXQ_MAXNDESCS)) {
rc = EINVAL;
goto fail1;
}
}
for (size = 0; (1 << size) <= (EFX_RXQ_MAXNDESCS / EFX_RXQ_MINNDESCS);
size++)
- if ((1 << size) == (int)(n / EFX_RXQ_MINNDESCS))
+ if ((1 << size) == (int)(ndescs / EFX_RXQ_MINNDESCS))
break;
if (id + (1 << size) >= encp->enc_buftbl_limit) {
rc = EINVAL;
switch (type) {
case EFX_RXQ_TYPE_DEFAULT:
- jumbo = B_FALSE;
break;
default:
goto fail4;
}
+ if (flags & EFX_RXQ_FLAG_SCATTER) {
+#if EFSYS_OPT_RX_SCATTER
+ jumbo = B_TRUE;
+#else
+ rc = EINVAL;
+ goto fail5;
+#endif /* EFSYS_OPT_RX_SCATTER */
+ }
+
/* Set up the new descriptor queue */
EFX_POPULATE_OWORD_7(oword,
FRF_AZ_RX_DESCQ_BUF_BASE_ID, id,
return (0);
+#if !EFSYS_OPT_RX_SCATTER
+fail5:
+ EFSYS_PROBE(fail5);
+#endif
fail4:
EFSYS_PROBE(fail4);
fail3:
git.droids-corp.org / dpdk.git / blobdiff