+#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 l4;
+ boolean_t additional_modes;
+ unsigned int *entryp = flags;
+ efx_rc_t rc;
+
+ if (flags == NULL || nflagsp == NULL) {
+ rc = EINVAL;
+ goto fail1;
+ }
+
+ l4 = encp->enc_rx_scale_l4_hash_supported;
+ 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_PACKED_STREAM:
+ if ((encp->enc_rx_scale_hash_alg_mask & (1U << hash_alg)) == 0)
+ break;
+ /* FALLTHRU */
+ case EFX_RX_HASHALG_TOEPLITZ:
+ if ((encp->enc_rx_scale_hash_alg_mask & (1U << hash_alg)) == 0)
+ break;
+
+ LIST_FLAGS(entryp, IPV4_TCP, l4, additional_modes);
+ LIST_FLAGS(entryp, IPV6_TCP, l4, additional_modes);
+
+ if (additional_modes) {
+ LIST_FLAGS(entryp, IPV4_UDP, l4, additional_modes);
+ LIST_FLAGS(entryp, IPV6_UDP, l4, 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(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, ndescs, completed, added);
+}
+
+#if EFSYS_OPT_RX_PACKED_STREAM