+ goto fail3;
+ }
+
+ if (req.emr_out_length_used < MC_CMD_RSS_CONTEXT_ALLOC_OUT_LEN) {
+ rc = EMSGSIZE;
+ goto fail4;
+ }
+
+ rss_context = MCDI_OUT_DWORD(req, RSS_CONTEXT_ALLOC_OUT_RSS_CONTEXT_ID);
+ if (rss_context == EF10_RSS_CONTEXT_INVALID) {
+ rc = ENOENT;
+ goto fail5;
+ }
+
+ *rss_contextp = rss_context;
+
+ 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 /* EFSYS_OPT_RX_SCALE */
+
+#if EFSYS_OPT_RX_SCALE
+static efx_rc_t
+efx_mcdi_rss_context_free(
+ __in efx_nic_t *enp,
+ __in uint32_t rss_context)
+{
+ efx_mcdi_req_t req;
+ uint8_t payload[MAX(MC_CMD_RSS_CONTEXT_FREE_IN_LEN,
+ MC_CMD_RSS_CONTEXT_FREE_OUT_LEN)];
+ efx_rc_t rc;
+
+ if (rss_context == EF10_RSS_CONTEXT_INVALID) {
+ rc = EINVAL;
+ goto fail1;
+ }
+
+ (void) memset(payload, 0, sizeof (payload));
+ req.emr_cmd = MC_CMD_RSS_CONTEXT_FREE;
+ req.emr_in_buf = payload;
+ req.emr_in_length = MC_CMD_RSS_CONTEXT_FREE_IN_LEN;
+ req.emr_out_buf = payload;
+ req.emr_out_length = MC_CMD_RSS_CONTEXT_FREE_OUT_LEN;
+
+ MCDI_IN_SET_DWORD(req, RSS_CONTEXT_FREE_IN_RSS_CONTEXT_ID, rss_context);
+
+ efx_mcdi_execute_quiet(enp, &req);
+
+ if (req.emr_rc != 0) {
+ rc = req.emr_rc;
+ 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
+static efx_rc_t
+efx_mcdi_rss_context_set_flags(
+ __in efx_nic_t *enp,
+ __in uint32_t rss_context,
+ __in efx_rx_hash_type_t type)
+{
+ efx_mcdi_req_t req;
+ uint8_t payload[MAX(MC_CMD_RSS_CONTEXT_SET_FLAGS_IN_LEN,
+ MC_CMD_RSS_CONTEXT_SET_FLAGS_OUT_LEN)];
+ efx_rc_t rc;
+
+ if (rss_context == EF10_RSS_CONTEXT_INVALID) {
+ rc = EINVAL;
+ goto fail1;
+ }
+
+ (void) memset(payload, 0, sizeof (payload));
+ req.emr_cmd = MC_CMD_RSS_CONTEXT_SET_FLAGS;
+ req.emr_in_buf = payload;
+ req.emr_in_length = MC_CMD_RSS_CONTEXT_SET_FLAGS_IN_LEN;
+ req.emr_out_buf = payload;
+ req.emr_out_length = MC_CMD_RSS_CONTEXT_SET_FLAGS_OUT_LEN;
+
+ MCDI_IN_SET_DWORD(req, RSS_CONTEXT_SET_FLAGS_IN_RSS_CONTEXT_ID,
+ rss_context);
+
+ MCDI_IN_POPULATE_DWORD_4(req, RSS_CONTEXT_SET_FLAGS_IN_FLAGS,
+ RSS_CONTEXT_SET_FLAGS_IN_TOEPLITZ_IPV4_EN,
+ (type & EFX_RX_HASH_IPV4) ? 1 : 0,
+ RSS_CONTEXT_SET_FLAGS_IN_TOEPLITZ_TCPV4_EN,
+ (type & EFX_RX_HASH_TCPIPV4) ? 1 : 0,
+ RSS_CONTEXT_SET_FLAGS_IN_TOEPLITZ_IPV6_EN,
+ (type & EFX_RX_HASH_IPV6) ? 1 : 0,
+ RSS_CONTEXT_SET_FLAGS_IN_TOEPLITZ_TCPV6_EN,
+ (type & EFX_RX_HASH_TCPIPV6) ? 1 : 0);
+
+ efx_mcdi_execute(enp, &req);
+
+ if (req.emr_rc != 0) {
+ rc = req.emr_rc;
+ 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
+static efx_rc_t
+efx_mcdi_rss_context_set_key(
+ __in efx_nic_t *enp,
+ __in uint32_t rss_context,
+ __in_ecount(n) uint8_t *key,
+ __in size_t n)
+{
+ efx_mcdi_req_t req;
+ uint8_t payload[MAX(MC_CMD_RSS_CONTEXT_SET_KEY_IN_LEN,
+ MC_CMD_RSS_CONTEXT_SET_KEY_OUT_LEN)];
+ efx_rc_t rc;
+
+ if (rss_context == EF10_RSS_CONTEXT_INVALID) {
+ rc = EINVAL;
+ goto fail1;
+ }
+
+ (void) memset(payload, 0, sizeof (payload));
+ req.emr_cmd = MC_CMD_RSS_CONTEXT_SET_KEY;
+ req.emr_in_buf = payload;
+ req.emr_in_length = MC_CMD_RSS_CONTEXT_SET_KEY_IN_LEN;
+ req.emr_out_buf = payload;
+ req.emr_out_length = MC_CMD_RSS_CONTEXT_SET_KEY_OUT_LEN;
+
+ MCDI_IN_SET_DWORD(req, RSS_CONTEXT_SET_KEY_IN_RSS_CONTEXT_ID,
+ rss_context);
+
+ EFSYS_ASSERT3U(n, ==, MC_CMD_RSS_CONTEXT_SET_KEY_IN_TOEPLITZ_KEY_LEN);
+ if (n != MC_CMD_RSS_CONTEXT_SET_KEY_IN_TOEPLITZ_KEY_LEN) {
+ rc = EINVAL;
+ goto fail2;
+ }
+
+ memcpy(MCDI_IN2(req, uint8_t, RSS_CONTEXT_SET_KEY_IN_TOEPLITZ_KEY),
+ key, n);
+
+ efx_mcdi_execute(enp, &req);
+
+ if (req.emr_rc != 0) {
+ rc = req.emr_rc;
+ 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
+static efx_rc_t
+efx_mcdi_rss_context_set_table(
+ __in efx_nic_t *enp,
+ __in uint32_t rss_context,
+ __in_ecount(n) unsigned int *table,
+ __in size_t n)
+{
+ efx_mcdi_req_t req;
+ uint8_t payload[MAX(MC_CMD_RSS_CONTEXT_SET_TABLE_IN_LEN,
+ MC_CMD_RSS_CONTEXT_SET_TABLE_OUT_LEN)];
+ uint8_t *req_table;
+ int i, rc;
+
+ if (rss_context == EF10_RSS_CONTEXT_INVALID) {
+ rc = EINVAL;