--- /dev/null
+/*
+ * 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.
+ *
+ * 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.
+ */
+
+#include "efx.h"
+#include "efx_impl.h"
+
+
+#if EFSYS_OPT_SIENA
+
+static __checkReturn efx_rc_t
+siena_rx_init(
+ __in efx_nic_t *enp);
+
+static void
+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 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,
+ __in uint8_t *buffer,
+ __out uint16_t *lengthp);
+
+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);
+
+static void
+siena_rx_qpush(
+ __in efx_rxq_t *erp,
+ __in unsigned int added,
+ __inout unsigned int *pushedp);
+
+#if EFSYS_OPT_RX_PACKED_STREAM
+static void
+siena_rx_qps_update_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);
+
+static void
+siena_rx_qenable(
+ __in efx_rxq_t *erp);
+
+static __checkReturn efx_rc_t
+siena_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 n,
+ __in uint32_t id,
+ __in efx_evq_t *eep,
+ __in efx_rxq_t *erp);
+
+static void
+siena_rx_qdestroy(
+ __in efx_rxq_t *erp);
+
+#endif /* EFSYS_OPT_SIENA */
+
+
+#if EFSYS_OPT_SIENA
+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
+ 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_qps_update_credits, /* erxo_qps_update_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 */
+ siena_rx_qdestroy, /* erxo_qdestroy */
+};
+#endif /* EFSYS_OPT_SIENA */
+
+#if EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD
+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_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_qps_update_credits, /* erxo_qps_update_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 */
+
+
+ __checkReturn efx_rc_t
+efx_rx_init(
+ __inout efx_nic_t *enp)
+{
+ const efx_rx_ops_t *erxop;
+ efx_rc_t rc;
+
+ EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
+ EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_NIC);
+
+ if (!(enp->en_mod_flags & EFX_MOD_EV)) {
+ rc = EINVAL;
+ goto fail1;
+ }
+
+ if (enp->en_mod_flags & EFX_MOD_RX) {
+ rc = EINVAL;
+ goto fail2;
+ }
+
+ switch (enp->en_family) {
+#if EFSYS_OPT_SIENA
+ case EFX_FAMILY_SIENA:
+ erxop = &__efx_rx_siena_ops;
+ 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 */
+
+ default:
+ EFSYS_ASSERT(0);
+ rc = ENOTSUP;
+ goto fail3;
+ }
+
+ if ((rc = erxop->erxo_init(enp)) != 0)
+ goto fail4;
+
+ enp->en_erxop = erxop;
+ enp->en_mod_flags |= EFX_MOD_RX;
+ return (0);
+
+fail4:
+ EFSYS_PROBE(fail4);
+fail3:
+ EFSYS_PROBE(fail3);
+fail2:
+ EFSYS_PROBE(fail2);
+fail1:
+ EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+ enp->en_erxop = NULL;
+ enp->en_mod_flags &= ~EFX_MOD_RX;
+ return (rc);
+}
+
+ void
+efx_rx_fini(
+ __in efx_nic_t *enp)
+{
+ const efx_rx_ops_t *erxop = enp->en_erxop;
+
+ EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
+ EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_NIC);
+ EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_RX);
+ EFSYS_ASSERT3U(enp->en_rx_qcount, ==, 0);
+
+ erxop->erxo_fini(enp);
+
+ enp->en_erxop = NULL;
+ enp->en_mod_flags &= ~EFX_MOD_RX;
+}
+
+#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_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,
+ __in_ecount(n) efsys_dma_addr_t *addrp,
+ __in size_t size,
+ __in unsigned int n,
+ __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);
+}
+
+#if EFSYS_OPT_RX_PACKED_STREAM
+
+ void
+efx_rx_qps_update_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_qps_update_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,
+ __in unsigned int added,
+ __inout unsigned int *pushedp)
+{
+ 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(erp, added, pushedp);
+}
+
+ __checkReturn efx_rc_t
+efx_rx_qflush(
+ __in efx_rxq_t *erp)
+{
+ efx_nic_t *enp = erp->er_enp;
+ const efx_rx_ops_t *erxop = enp->en_erxop;
+ efx_rc_t rc;
+
+ EFSYS_ASSERT3U(erp->er_magic, ==, EFX_RXQ_MAGIC);
+
+ if ((rc = erxop->erxo_qflush(erp)) != 0)
+ goto fail1;
+
+ return (0);
+
+fail1:
+ EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+ return (rc);
+}
+
+ void
+efx_rx_qenable(
+ __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_qenable(erp);
+}
+
+ __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 n,
+ __in uint32_t id,
+ __in efx_evq_t *eep,
+ __deref_out efx_rxq_t **erpp)
+{
+ const efx_rx_ops_t *erxop = enp->en_erxop;
+ efx_rxq_t *erp;
+ efx_rc_t rc;
+
+ EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
+ EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_RX);
+
+ /* Allocate an RXQ object */
+ EFSYS_KMEM_ALLOC(enp->en_esip, sizeof (efx_rxq_t), erp);
+
+ if (erp == NULL) {
+ rc = ENOMEM;
+ goto fail1;
+ }
+
+ erp->er_magic = EFX_RXQ_MAGIC;
+ erp->er_enp = enp;
+ erp->er_index = index;
+ erp->er_mask = n - 1;
+ erp->er_esmp = esmp;
+
+ if ((rc = erxop->erxo_qcreate(enp, index, label, type, esmp, n, id,
+ eep, erp)) != 0)
+ goto fail2;
+
+ enp->en_rx_qcount++;
+ *erpp = erp;
+
+ return (0);
+
+fail2:
+ EFSYS_PROBE(fail2);
+
+ EFSYS_KMEM_FREE(enp->en_esip, sizeof (efx_rxq_t), erp);
+fail1:
+ EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+ return (rc);
+}
+
+ void
+efx_rx_qdestroy(
+ __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_qdestroy(erp);
+}
+
+ __checkReturn efx_rc_t
+efx_pseudo_hdr_pkt_length_get(
+ __in efx_rxq_t *erp,
+ __in uint8_t *buffer,
+ __out uint16_t *lengthp)
+{
+ efx_nic_t *enp = erp->er_enp;
+ const efx_rx_ops_t *erxop = enp->en_erxop;
+
+ EFSYS_ASSERT3U(erp->er_magic, ==, EFX_RXQ_MAGIC);
+
+ 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
+siena_rx_init(
+ __in efx_nic_t *enp)
+{
+ efx_oword_t oword;
+ unsigned int index;
+
+ EFX_BAR_READO(enp, FR_AZ_RX_CFG_REG, &oword);
+
+ EFX_SET_OWORD_FIELD(oword, FRF_BZ_RX_DESC_PUSH_EN, 0);
+ EFX_SET_OWORD_FIELD(oword, FRF_BZ_RX_HASH_ALG, 0);
+ EFX_SET_OWORD_FIELD(oword, FRF_BZ_RX_IP_HASH, 0);
+ EFX_SET_OWORD_FIELD(oword, FRF_BZ_RX_TCP_SUP, 0);
+ EFX_SET_OWORD_FIELD(oword, FRF_BZ_RX_HASH_INSRT_HDR, 0);
+ EFX_SET_OWORD_FIELD(oword, FRF_BZ_RX_USR_BUF_SIZE, 0x3000 / 32);
+ EFX_BAR_WRITEO(enp, FR_AZ_RX_CFG_REG, &oword);
+
+ /* Zero the RSS table */
+ for (index = 0; index < FR_BZ_RX_INDIRECTION_TBL_ROWS;
+ index++) {
+ EFX_ZERO_OWORD(oword);
+ EFX_BAR_TBL_WRITEO(enp, FR_BZ_RX_INDIRECTION_TBL,
+ 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);
+}
+
+#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) \
+ do { \
+ efx_oword_t oword; \
+ \
+ EFX_BAR_READO((_enp), FR_AZ_RX_CFG_REG, &oword); \
+ EFX_SET_OWORD_FIELD(oword, FRF_BZ_RX_HASH_ALG, 0); \
+ EFX_SET_OWORD_FIELD(oword, FRF_BZ_RX_IP_HASH, 0); \
+ EFX_SET_OWORD_FIELD(oword, FRF_BZ_RX_TCP_SUP, 0); \
+ EFX_SET_OWORD_FIELD(oword, FRF_BZ_RX_HASH_INSRT_HDR, \
+ (_insert) ? 1 : 0); \
+ EFX_BAR_WRITEO((_enp), FR_AZ_RX_CFG_REG, &oword); \
+ \
+ if ((_enp)->en_family == EFX_FAMILY_SIENA) { \
+ EFX_BAR_READO((_enp), FR_CZ_RX_RSS_IPV6_REG3, \
+ &oword); \
+ EFX_SET_OWORD_FIELD(oword, \
+ FRF_CZ_RX_RSS_IPV6_THASH_ENABLE, 0); \
+ EFX_BAR_WRITEO((_enp), FR_CZ_RX_RSS_IPV6_REG3, \
+ &oword); \
+ } \
+ \
+ _NOTE(CONSTANTCONDITION) \
+ } while (B_FALSE)
+
+#define EFX_RX_TOEPLITZ_IPV4_HASH(_enp, _insert, _ip, _tcp) \
+ do { \
+ efx_oword_t oword; \
+ \
+ EFX_BAR_READO((_enp), FR_AZ_RX_CFG_REG, &oword); \
+ EFX_SET_OWORD_FIELD(oword, FRF_BZ_RX_HASH_ALG, 1); \
+ EFX_SET_OWORD_FIELD(oword, FRF_BZ_RX_IP_HASH, \
+ (_ip) ? 1 : 0); \
+ EFX_SET_OWORD_FIELD(oword, FRF_BZ_RX_TCP_SUP, \
+ (_tcp) ? 0 : 1); \
+ EFX_SET_OWORD_FIELD(oword, FRF_BZ_RX_HASH_INSRT_HDR, \
+ (_insert) ? 1 : 0); \
+ EFX_BAR_WRITEO((_enp), FR_AZ_RX_CFG_REG, &oword); \
+ \
+ _NOTE(CONSTANTCONDITION) \
+ } while (B_FALSE)
+
+#define EFX_RX_TOEPLITZ_IPV6_HASH(_enp, _ip, _tcp, _rc) \
+ do { \
+ efx_oword_t oword; \
+ \
+ EFX_BAR_READO((_enp), FR_CZ_RX_RSS_IPV6_REG3, &oword); \
+ EFX_SET_OWORD_FIELD(oword, \
+ FRF_CZ_RX_RSS_IPV6_THASH_ENABLE, 1); \
+ EFX_SET_OWORD_FIELD(oword, \
+ FRF_CZ_RX_RSS_IPV6_IP_THASH_ENABLE, (_ip) ? 1 : 0); \
+ EFX_SET_OWORD_FIELD(oword, \
+ FRF_CZ_RX_RSS_IPV6_TCP_SUPPRESS, (_tcp) ? 0 : 1); \
+ EFX_BAR_WRITEO((_enp), FR_CZ_RX_RSS_IPV6_REG3, &oword); \
+ \
+ (_rc) = 0; \
+ \
+ _NOTE(CONSTANTCONDITION) \
+ } 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 & EFX_RX_HASH_IPV4,
+ type & EFX_RX_HASH_TCPIPV4);
+
+ EFX_RX_TOEPLITZ_IPV6_HASH(enp,
+ type & EFX_RX_HASH_IPV6,
+ type & 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
+ * --------------------------
+ *
+ * Receive packets are prefixed by an optional 16 byte pseudo-header.
+ * The pseudo-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
+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,
+ __in uint8_t *buffer,
+ __out uint16_t *lengthp)
+{
+ _NOTE(ARGUNUSED(enp, buffer, lengthp))
+
+ /* Not supported by Falcon/Siena hardware */
+ EFSYS_ASSERT(0);
+ return (ENOTSUP);
+}
+
+
+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)
+{
+ efx_qword_t qword;
+ unsigned int i;
+ unsigned int offset;
+ unsigned int id;
+
+ /* The client driver must not overfill the queue */
+ EFSYS_ASSERT3U(added - completed + n, <=,
+ EFX_RXQ_LIMIT(erp->er_mask + 1));
+
+ id = added & (erp->er_mask);
+ for (i = 0; i < n; i++) {
+ EFSYS_PROBE4(rx_post, unsigned int, erp->er_index,
+ unsigned int, id, efsys_dma_addr_t, addrp[i],
+ size_t, size);
+
+ EFX_POPULATE_QWORD_3(qword,
+ FSF_AZ_RX_KER_BUF_SIZE, (uint32_t)(size),
+ FSF_AZ_RX_KER_BUF_ADDR_DW0,
+ (uint32_t)(addrp[i] & 0xffffffff),
+ FSF_AZ_RX_KER_BUF_ADDR_DW1,
+ (uint32_t)(addrp[i] >> 32));
+
+ offset = id * sizeof (efx_qword_t);
+ EFSYS_MEM_WRITEQ(erp->er_esmp, offset, &qword);
+
+ id = (id + 1) & (erp->er_mask);
+ }
+}
+
+static void
+siena_rx_qpush(
+ __in efx_rxq_t *erp,
+ __in unsigned int added,
+ __inout unsigned int *pushedp)
+{
+ efx_nic_t *enp = erp->er_enp;
+ unsigned int pushed = *pushedp;
+ uint32_t wptr;
+ efx_oword_t oword;
+ efx_dword_t dword;
+
+ /* All descriptors are pushed */
+ *pushedp = added;
+
+ /* Push the populated descriptors out */
+ wptr = added & erp->er_mask;
+
+ EFX_POPULATE_OWORD_1(oword, FRF_AZ_RX_DESC_WPTR, wptr);
+
+ /* Only write the third DWORD */
+ EFX_POPULATE_DWORD_1(dword,
+ EFX_DWORD_0, EFX_OWORD_FIELD(oword, EFX_DWORD_3));
+
+ /* Guarantee ordering of memory (descriptors) and PIO (doorbell) */
+ EFX_DMA_SYNC_QUEUE_FOR_DEVICE(erp->er_esmp, erp->er_mask + 1,
+ wptr, pushed & erp->er_mask);
+ EFSYS_PIO_WRITE_BARRIER();
+ EFX_BAR_TBL_WRITED3(enp, FR_BZ_RX_DESC_UPD_REGP0,
+ erp->er_index, &dword, B_FALSE);
+}
+
+#if EFSYS_OPT_RX_PACKED_STREAM
+static void
+siena_rx_qps_update_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)
+{
+ efx_nic_t *enp = erp->er_enp;
+ efx_oword_t oword;
+ uint32_t label;
+
+ label = erp->er_index;
+
+ /* Flush the queue */
+ EFX_POPULATE_OWORD_2(oword, FRF_AZ_RX_FLUSH_DESCQ_CMD, 1,
+ FRF_AZ_RX_FLUSH_DESCQ, label);
+ EFX_BAR_WRITEO(enp, FR_AZ_RX_FLUSH_DESCQ_REG, &oword);
+
+ return (0);
+}
+
+static void
+siena_rx_qenable(
+ __in efx_rxq_t *erp)
+{
+ efx_nic_t *enp = erp->er_enp;
+ efx_oword_t oword;
+
+ EFSYS_ASSERT3U(erp->er_magic, ==, EFX_RXQ_MAGIC);
+
+ EFX_BAR_TBL_READO(enp, FR_AZ_RX_DESC_PTR_TBL,
+ erp->er_index, &oword, B_TRUE);
+
+ EFX_SET_OWORD_FIELD(oword, FRF_AZ_RX_DC_HW_RPTR, 0);
+ EFX_SET_OWORD_FIELD(oword, FRF_AZ_RX_DESCQ_HW_RPTR, 0);
+ EFX_SET_OWORD_FIELD(oword, FRF_AZ_RX_DESCQ_EN, 1);
+
+ EFX_BAR_TBL_WRITEO(enp, FR_AZ_RX_DESC_PTR_TBL,
+ erp->er_index, &oword, B_TRUE);
+}
+
+static __checkReturn efx_rc_t
+siena_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 n,
+ __in uint32_t id,
+ __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;
+ efx_rc_t rc;
+
+ _NOTE(ARGUNUSED(esmp))
+
+ EFX_STATIC_ASSERT(EFX_EV_RX_NLABELS ==
+ (1 << FRF_AZ_RX_DESCQ_LABEL_WIDTH));
+ EFSYS_ASSERT3U(label, <, EFX_EV_RX_NLABELS);
+ EFSYS_ASSERT3U(enp->en_rx_qcount + 1, <, encp->enc_rxq_limit);
+
+ 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)) {
+ rc = EINVAL;
+ goto fail1;
+ }
+ if (index >= encp->enc_rxq_limit) {
+ rc = EINVAL;
+ goto fail2;
+ }
+ for (size = 0; (1 << size) <= (EFX_RXQ_MAXNDESCS / EFX_RXQ_MINNDESCS);
+ size++)
+ if ((1 << size) == (int)(n / EFX_RXQ_MINNDESCS))
+ break;
+ if (id + (1 << size) >= encp->enc_buftbl_limit) {
+ rc = EINVAL;
+ goto fail3;
+ }
+
+ switch (type) {
+ case EFX_RXQ_TYPE_DEFAULT:
+ jumbo = B_FALSE;
+ break;
+
+#if EFSYS_OPT_RX_SCATTER
+ case EFX_RXQ_TYPE_SCATTER:
+ if (enp->en_family < EFX_FAMILY_SIENA) {
+ rc = EINVAL;
+ goto fail4;
+ }
+ jumbo = B_TRUE;
+ break;
+#endif /* EFSYS_OPT_RX_SCATTER */
+
+ default:
+ rc = EINVAL;
+ goto fail4;
+ }
+
+ /* Set up the new descriptor queue */
+ EFX_POPULATE_OWORD_7(oword,
+ FRF_AZ_RX_DESCQ_BUF_BASE_ID, id,
+ FRF_AZ_RX_DESCQ_EVQ_ID, eep->ee_index,
+ FRF_AZ_RX_DESCQ_OWNER_ID, 0,
+ FRF_AZ_RX_DESCQ_LABEL, label,
+ FRF_AZ_RX_DESCQ_SIZE, size,
+ FRF_AZ_RX_DESCQ_TYPE, 0,
+ FRF_AZ_RX_DESCQ_JUMBO, jumbo);
+
+ EFX_BAR_TBL_WRITEO(enp, FR_AZ_RX_DESC_PTR_TBL,
+ erp->er_index, &oword, B_TRUE);
+
+ return (0);
+
+fail4:
+ EFSYS_PROBE(fail4);
+fail3:
+ EFSYS_PROBE(fail3);
+fail2:
+ EFSYS_PROBE(fail2);
+fail1:
+ EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+ return (rc);
+}
+
+static void
+siena_rx_qdestroy(
+ __in efx_rxq_t *erp)
+{
+ efx_nic_t *enp = erp->er_enp;
+ efx_oword_t oword;
+
+ EFSYS_ASSERT(enp->en_rx_qcount != 0);
+ --enp->en_rx_qcount;
+
+ /* Purge descriptor queue */
+ EFX_ZERO_OWORD(oword);
+
+ EFX_BAR_TBL_WRITEO(enp, FR_AZ_RX_DESC_PTR_TBL,
+ erp->er_index, &oword, B_TRUE);
+
+ /* Free the RXQ object */
+ EFSYS_KMEM_FREE(enp->en_esip, sizeof (efx_rxq_t), erp);
+}
+
+static void
+siena_rx_fini(
+ __in efx_nic_t *enp)
+{
+ _NOTE(ARGUNUSED(enp))
+}
+
+#endif /* EFSYS_OPT_SIENA */
Code Review / deb_dpdk.git / blobdiff