+#if EFSYS_OPT_RX_SCALE
+
+ if (efx_mcdi_rss_context_alloc(enp, EFX_RX_SCALE_EXCLUSIVE, EFX_MAXRSS,
+ &enp->en_rss_context) == 0) {
+ /*
+ * Allocated an exclusive RSS context, which allows both the
+ * indirection table and key to be modified.
+ */
+ enp->en_rss_context_type = EFX_RX_SCALE_EXCLUSIVE;
+ enp->en_hash_support = EFX_RX_HASH_AVAILABLE;
+ } else {
+ /*
+ * Failed to allocate an exclusive RSS context. Continue
+ * operation without support for RSS. The pseudo-header in
+ * received packets will not contain a Toeplitz hash value.
+ */
+ enp->en_rss_context_type = EFX_RX_SCALE_UNAVAILABLE;
+ enp->en_hash_support = EFX_RX_HASH_UNAVAILABLE;
+ }
+
+#endif /* EFSYS_OPT_RX_SCALE */
+
+ return (0);
+}
+
+#if EFSYS_OPT_RX_SCATTER
+ __checkReturn efx_rc_t
+ef10_rx_scatter_enable(
+ __in efx_nic_t *enp,
+ __in unsigned int buf_size)
+{
+ _NOTE(ARGUNUSED(enp, buf_size))
+ return (0);
+}
+#endif /* EFSYS_OPT_RX_SCATTER */
+
+#if EFSYS_OPT_RX_SCALE
+ __checkReturn efx_rc_t
+ef10_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)
+{
+ efx_rc_t rc;
+
+ rc = efx_mcdi_rss_context_alloc(enp, type, num_queues, rss_contextp);
+ if (rc != 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
+ef10_rx_scale_context_free(
+ __in efx_nic_t *enp,
+ __in uint32_t rss_context)
+{
+ efx_rc_t rc;
+
+ rc = efx_mcdi_rss_context_free(enp, rss_context);
+ if (rc != 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
+ef10_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_rc_t rc;
+
+ EFSYS_ASSERT3U(alg, ==, EFX_RX_HASHALG_TOEPLITZ);
+ EFSYS_ASSERT3U(insert, ==, B_TRUE);
+
+ if ((alg != EFX_RX_HASHALG_TOEPLITZ) || (insert == B_FALSE)) {
+ rc = EINVAL;
+ goto fail1;
+ }
+
+ if (rss_context == EFX_RSS_CONTEXT_DEFAULT) {
+ if (enp->en_rss_context_type == EFX_RX_SCALE_UNAVAILABLE) {
+ rc = ENOTSUP;
+ goto fail2;
+ }
+ rss_context = enp->en_rss_context;
+ }
+
+ if ((rc = efx_mcdi_rss_context_set_flags(enp,
+ rss_context, type)) != 0)
+ goto fail3;
+
+ return (0);
+
+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
+ef10_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_rc_t rc;
+
+ EFX_STATIC_ASSERT(EFX_RSS_KEY_SIZE ==
+ MC_CMD_RSS_CONTEXT_SET_KEY_IN_TOEPLITZ_KEY_LEN);
+
+ if (rss_context == EFX_RSS_CONTEXT_DEFAULT) {
+ if (enp->en_rss_context_type == EFX_RX_SCALE_UNAVAILABLE) {
+ rc = ENOTSUP;
+ goto fail1;
+ }
+ rss_context = enp->en_rss_context;
+ }
+
+ if ((rc = efx_mcdi_rss_context_set_key(enp, rss_context, key, n)) != 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
+ef10_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_rc_t rc;
+
+
+ if (rss_context == EFX_RSS_CONTEXT_DEFAULT) {
+ if (enp->en_rss_context_type == EFX_RX_SCALE_UNAVAILABLE) {
+ rc = ENOTSUP;
+ goto fail1;
+ }
+ rss_context = enp->en_rss_context;
+ }
+
+ if ((rc = efx_mcdi_rss_context_set_table(enp,
+ rss_context, table, n)) != 0)
+ goto fail2;