+ __checkReturn unsigned int
+efx_mae_action_set_get_nb_count(
+ __in const efx_mae_actions_t *spec)
+{
+ return (spec->ema_n_count_actions);
+}
+
+ __checkReturn efx_rc_t
+efx_mae_action_set_fill_in_counter_id(
+ __in efx_mae_actions_t *spec,
+ __in const efx_counter_t *counter_idp)
+{
+ efx_rc_t rc;
+
+ if ((spec->ema_actions & (1U << EFX_MAE_ACTION_COUNT)) == 0) {
+ /*
+ * Invalid to add counter ID if spec does not have COUNT action.
+ */
+ rc = EINVAL;
+ goto fail1;
+ }
+
+ if (spec->ema_n_count_actions != 1) {
+ /*
+ * Having multiple COUNT actions in the spec requires a counter
+ * list to be used. This API must only be used for a single
+ * counter per spec. Turn down the request as inappropriate.
+ */
+ rc = EINVAL;
+ goto fail2;
+ }
+
+ if (spec->ema_rsrc.emar_counter_id.id != EFX_MAE_RSRC_ID_INVALID) {
+ /* The caller attempts to indicate counter ID twice. */
+ rc = EALREADY;
+ goto fail3;
+ }
+
+ if (counter_idp->id == EFX_MAE_RSRC_ID_INVALID) {
+ rc = EINVAL;
+ goto fail4;
+ }
+
+ spec->ema_rsrc.emar_counter_id.id = counter_idp->id;
+
+ return (0);
+
+fail4:
+ EFSYS_PROBE(fail4);
+fail3:
+ EFSYS_PROBE(fail3);
+fail2:
+ EFSYS_PROBE(fail2);
+fail1:
+ EFSYS_PROBE1(fail1, efx_rc_t, rc);
+ return (rc);
+}
+
+ __checkReturn efx_rc_t
+efx_mae_counters_alloc(
+ __in efx_nic_t *enp,
+ __in uint32_t n_counters,
+ __out uint32_t *n_allocatedp,
+ __out_ecount(n_counters) efx_counter_t *countersp,
+ __out_opt uint32_t *gen_countp)
+{
+ EFX_MCDI_DECLARE_BUF(payload,
+ MC_CMD_MAE_COUNTER_ALLOC_IN_LEN,
+ MC_CMD_MAE_COUNTER_ALLOC_OUT_LENMAX_MCDI2);
+ efx_mae_t *maep = enp->en_maep;
+ uint32_t n_allocated;
+ efx_mcdi_req_t req;
+ unsigned int i;
+ efx_rc_t rc;
+
+ if (n_counters > maep->em_max_ncounters ||
+ n_counters < MC_CMD_MAE_COUNTER_ALLOC_OUT_COUNTER_ID_MINNUM ||
+ n_counters > MC_CMD_MAE_COUNTER_ALLOC_OUT_COUNTER_ID_MAXNUM_MCDI2) {
+ rc = EINVAL;
+ goto fail1;
+ }
+
+ req.emr_cmd = MC_CMD_MAE_COUNTER_ALLOC;
+ req.emr_in_buf = payload;
+ req.emr_in_length = MC_CMD_MAE_COUNTER_ALLOC_IN_LEN;
+ req.emr_out_buf = payload;
+ req.emr_out_length = MC_CMD_MAE_COUNTER_ALLOC_OUT_LEN(n_counters);
+
+ MCDI_IN_SET_DWORD(req, MAE_COUNTER_ALLOC_IN_REQUESTED_COUNT,
+ n_counters);
+
+ efx_mcdi_execute(enp, &req);
+
+ if (req.emr_rc != 0) {
+ rc = req.emr_rc;
+ goto fail2;
+ }
+
+ if (req.emr_out_length_used < MC_CMD_MAE_COUNTER_ALLOC_OUT_LENMIN) {
+ rc = EMSGSIZE;
+ goto fail3;
+ }
+
+ n_allocated = MCDI_OUT_DWORD(req,
+ MAE_COUNTER_ALLOC_OUT_COUNTER_ID_COUNT);
+ if (n_allocated < MC_CMD_MAE_COUNTER_ALLOC_OUT_COUNTER_ID_MINNUM) {
+ rc = EFAULT;
+ goto fail4;
+ }
+
+ for (i = 0; i < n_allocated; i++) {
+ countersp[i].id = MCDI_OUT_INDEXED_DWORD(req,
+ MAE_COUNTER_ALLOC_OUT_COUNTER_ID, i);
+ }
+
+ if (gen_countp != NULL) {
+ *gen_countp = MCDI_OUT_DWORD(req,
+ MAE_COUNTER_ALLOC_OUT_GENERATION_COUNT);
+ }
+
+ *n_allocatedp = n_allocated;
+
+ return (0);
+
+fail4:
+ EFSYS_PROBE(fail4);
+fail3:
+ EFSYS_PROBE(fail3);
+fail2:
+ EFSYS_PROBE(fail2);
+fail1:
+ EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+ return (rc);
+}
+
+ __checkReturn efx_rc_t
+efx_mae_counters_free(
+ __in efx_nic_t *enp,
+ __in uint32_t n_counters,
+ __out uint32_t *n_freedp,
+ __in_ecount(n_counters) const efx_counter_t *countersp,
+ __out_opt uint32_t *gen_countp)
+{
+ EFX_MCDI_DECLARE_BUF(payload,
+ MC_CMD_MAE_COUNTER_FREE_IN_LENMAX_MCDI2,
+ MC_CMD_MAE_COUNTER_FREE_OUT_LENMAX_MCDI2);
+ efx_mae_t *maep = enp->en_maep;
+ efx_mcdi_req_t req;
+ uint32_t n_freed;
+ unsigned int i;
+ efx_rc_t rc;
+
+ if (n_counters > maep->em_max_ncounters ||
+ n_counters < MC_CMD_MAE_COUNTER_FREE_IN_FREE_COUNTER_ID_MINNUM ||
+ n_counters >
+ MC_CMD_MAE_COUNTER_FREE_IN_FREE_COUNTER_ID_MAXNUM_MCDI2) {
+ rc = EINVAL;
+ goto fail1;
+ }
+
+ req.emr_cmd = MC_CMD_MAE_COUNTER_FREE;
+ req.emr_in_buf = payload;
+ req.emr_in_length = MC_CMD_MAE_COUNTER_FREE_IN_LEN(n_counters);
+ req.emr_out_buf = payload;
+ req.emr_out_length = MC_CMD_MAE_COUNTER_FREE_OUT_LEN(n_counters);
+
+ for (i = 0; i < n_counters; i++) {
+ MCDI_IN_SET_INDEXED_DWORD(req,
+ MAE_COUNTER_FREE_IN_FREE_COUNTER_ID, i, countersp[i].id);
+ }
+ MCDI_IN_SET_DWORD(req, MAE_COUNTER_FREE_IN_COUNTER_ID_COUNT,
+ n_counters);
+
+ efx_mcdi_execute(enp, &req);
+
+ if (req.emr_rc != 0) {
+ rc = req.emr_rc;
+ goto fail2;
+ }
+
+ if (req.emr_out_length_used < MC_CMD_MAE_COUNTER_FREE_OUT_LENMIN) {
+ rc = EMSGSIZE;
+ goto fail3;
+ }
+
+ n_freed = MCDI_OUT_DWORD(req, MAE_COUNTER_FREE_OUT_COUNTER_ID_COUNT);
+
+ if (n_freed < MC_CMD_MAE_COUNTER_FREE_OUT_FREED_COUNTER_ID_MINNUM) {
+ rc = EFAULT;
+ goto fail4;
+ }
+
+ if (gen_countp != NULL) {
+ *gen_countp = MCDI_OUT_DWORD(req,
+ MAE_COUNTER_FREE_OUT_GENERATION_COUNT);
+ }
+
+ *n_freedp = n_freed;
+
+ return (0);
+
+fail4:
+ EFSYS_PROBE(fail4);
+fail3:
+ EFSYS_PROBE(fail3);
+fail2:
+ EFSYS_PROBE(fail2);
+fail1:
+ EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+ return (rc);
+}
+
+ __checkReturn efx_rc_t
+efx_mae_counters_stream_start(
+ __in efx_nic_t *enp,
+ __in uint16_t rxq_id,
+ __in uint16_t packet_size,
+ __in uint32_t flags_in,
+ __out uint32_t *flags_out)
+{
+ efx_mcdi_req_t req;
+ EFX_MCDI_DECLARE_BUF(payload, MC_CMD_MAE_COUNTERS_STREAM_START_IN_LEN,
+ MC_CMD_MAE_COUNTERS_STREAM_START_OUT_LEN);
+ efx_rc_t rc;
+
+ EFX_STATIC_ASSERT(EFX_MAE_COUNTERS_STREAM_IN_ZERO_SQUASH_DISABLE ==
+ 1U << MC_CMD_MAE_COUNTERS_STREAM_START_IN_ZERO_SQUASH_DISABLE_LBN);
+
+ EFX_STATIC_ASSERT(EFX_MAE_COUNTERS_STREAM_OUT_USES_CREDITS ==
+ 1U << MC_CMD_MAE_COUNTERS_STREAM_START_OUT_USES_CREDITS_LBN);
+
+ req.emr_cmd = MC_CMD_MAE_COUNTERS_STREAM_START;
+ req.emr_in_buf = payload;
+ req.emr_in_length = MC_CMD_MAE_COUNTERS_STREAM_START_IN_LEN;
+ req.emr_out_buf = payload;
+ req.emr_out_length = MC_CMD_MAE_COUNTERS_STREAM_START_OUT_LEN;
+
+ MCDI_IN_SET_WORD(req, MAE_COUNTERS_STREAM_START_IN_QID, rxq_id);
+ MCDI_IN_SET_WORD(req, MAE_COUNTERS_STREAM_START_IN_PACKET_SIZE,
+ packet_size);
+ MCDI_IN_SET_DWORD(req, MAE_COUNTERS_STREAM_START_IN_FLAGS, flags_in);
+
+ efx_mcdi_execute(enp, &req);
+
+ if (req.emr_rc != 0) {
+ rc = req.emr_rc;
+ goto fail1;
+ }
+
+ if (req.emr_out_length_used <
+ MC_CMD_MAE_COUNTERS_STREAM_START_OUT_LEN) {
+ rc = EMSGSIZE;
+ goto fail2;
+ }
+
+ *flags_out = MCDI_OUT_DWORD(req, MAE_COUNTERS_STREAM_START_OUT_FLAGS);
+
+ return (0);
+
+fail2:
+ EFSYS_PROBE(fail2);
+fail1:
+ EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+ return (rc);
+}
+
+ __checkReturn efx_rc_t
+efx_mae_counters_stream_stop(
+ __in efx_nic_t *enp,
+ __in uint16_t rxq_id,
+ __out_opt uint32_t *gen_countp)
+{
+ efx_mcdi_req_t req;
+ EFX_MCDI_DECLARE_BUF(payload, MC_CMD_MAE_COUNTERS_STREAM_STOP_IN_LEN,
+ MC_CMD_MAE_COUNTERS_STREAM_STOP_OUT_LEN);
+ efx_rc_t rc;
+
+ req.emr_cmd = MC_CMD_MAE_COUNTERS_STREAM_STOP;
+ req.emr_in_buf = payload;
+ req.emr_in_length = MC_CMD_MAE_COUNTERS_STREAM_STOP_IN_LEN;
+ req.emr_out_buf = payload;
+ req.emr_out_length = MC_CMD_MAE_COUNTERS_STREAM_STOP_OUT_LEN;
+
+ MCDI_IN_SET_WORD(req, MAE_COUNTERS_STREAM_STOP_IN_QID, rxq_id);
+
+ efx_mcdi_execute(enp, &req);
+
+ if (req.emr_rc != 0) {
+ rc = req.emr_rc;
+ goto fail1;
+ }
+
+ if (req.emr_out_length_used <
+ MC_CMD_MAE_COUNTERS_STREAM_STOP_OUT_LEN) {
+ rc = EMSGSIZE;
+ goto fail2;
+ }
+
+ if (gen_countp != NULL) {
+ *gen_countp = MCDI_OUT_DWORD(req,
+ MAE_COUNTERS_STREAM_STOP_OUT_GENERATION_COUNT);
+ }
+
+ return (0);
+
+fail2:
+ EFSYS_PROBE(fail2);
+fail1:
+ EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+ return (rc);
+}
+
+ __checkReturn efx_rc_t
+efx_mae_counters_stream_give_credits(
+ __in efx_nic_t *enp,
+ __in uint32_t n_credits)
+{
+ efx_mcdi_req_t req;
+ EFX_MCDI_DECLARE_BUF(payload,
+ MC_CMD_MAE_COUNTERS_STREAM_GIVE_CREDITS_IN_LEN,
+ MC_CMD_MAE_COUNTERS_STREAM_GIVE_CREDITS_OUT_LEN);
+ efx_rc_t rc;
+
+ req.emr_cmd = MC_CMD_MAE_COUNTERS_STREAM_GIVE_CREDITS;
+ req.emr_in_buf = payload;
+ req.emr_in_length = MC_CMD_MAE_COUNTERS_STREAM_GIVE_CREDITS_IN_LEN;
+ req.emr_out_buf = payload;
+ req.emr_out_length = MC_CMD_MAE_COUNTERS_STREAM_GIVE_CREDITS_OUT_LEN;
+
+ MCDI_IN_SET_DWORD(req, MAE_COUNTERS_STREAM_GIVE_CREDITS_IN_NUM_CREDITS,
+ n_credits);
+
+ efx_mcdi_execute(enp, &req);
+
+ if (req.emr_rc != 0) {
+ rc = req.emr_rc;
+ goto fail1;
+ }
+
+ return (0);
+
+fail1:
+ EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+ return (rc);
+}
+