X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fcommon%2Fsfc_efx%2Fbase%2Fefx_mae.c;h=c22206e227dee9b42661a75fe8b5ee32b2143443;hb=c4f4a0e60dcb2a3877a4a751d7641fa1d9c46c29;hp=56974880407e5a6e3b2f1b0ed5b8f1e96e222615;hpb=3790789980afe978833f684cbde119d5daecc86d;p=dpdk.git

diff --git a/drivers/common/sfc_efx/base/efx_mae.c b/drivers/common/sfc_efx/base/efx_mae.c
index 5697488040..c22206e227 100644
--- a/drivers/common/sfc_efx/base/efx_mae.c
+++ b/drivers/common/sfc_efx/base/efx_mae.c
@@ -67,6 +67,9 @@ efx_mae_get_capabilities(
 	maep->em_max_nfields =
 	    MCDI_OUT_DWORD(req, MAE_GET_CAPS_OUT_MATCH_FIELD_COUNT);
 
+	maep->em_max_ncounters =
+	    MCDI_OUT_DWORD(req, MAE_GET_CAPS_OUT_COUNTERS);
+
 	return (0);
 
 fail2:
@@ -371,6 +374,7 @@ efx_mae_get_limits(
 	emlp->eml_encap_types_supported = maep->em_encap_types_supported;
 	emlp->eml_encap_header_size_limit =
 	    MC_CMD_MAE_ENCAP_HEADER_ALLOC_IN_HDR_DATA_MAXNUM_MCDI2;
+	emlp->eml_max_n_counters = maep->em_max_ncounters;
 
 	return (0);
 
@@ -1188,6 +1192,7 @@ efx_mae_action_set_spec_init(
 	}
 
 	spec->ema_rsrc.emar_eh_id.id = EFX_MAE_RSRC_ID_INVALID;
+	spec->ema_rsrc.emar_counter_id.id = EFX_MAE_RSRC_ID_INVALID;
 
 	*specp = spec;
 
@@ -1355,6 +1360,50 @@ fail1:
 	return (rc);
 }
 
+static	__checkReturn			efx_rc_t
+efx_mae_action_set_add_count(
+	__in				efx_mae_actions_t *spec,
+	__in				size_t arg_size,
+	__in_bcount(arg_size)		const uint8_t *arg)
+{
+	efx_rc_t rc;
+
+	EFX_STATIC_ASSERT(EFX_MAE_RSRC_ID_INVALID ==
+			  MC_CMD_MAE_COUNTER_ALLOC_OUT_COUNTER_ID_NULL);
+
+	/*
+	 * Preparing an action set spec to update a counter requires
+	 * two steps: first add this action to the action spec, and then
+	 * add the counter ID to the spec. This allows validity checking
+	 * and resource allocation to be done separately.
+	 * Mark the counter ID as invalid in the spec to ensure that the
+	 * caller must also invoke efx_mae_action_set_fill_in_counter_id()
+	 * before action set allocation.
+	 */
+	spec->ema_rsrc.emar_counter_id.id = EFX_MAE_RSRC_ID_INVALID;
+
+	/* Nothing else is supposed to take place over here. */
+	if (arg_size != 0) {
+		rc = EINVAL;
+		goto fail1;
+	}
+
+	if (arg != NULL) {
+		rc = EINVAL;
+		goto fail2;
+	}
+
+	++(spec->ema_n_count_actions);
+
+	return (0);
+
+fail2:
+	EFSYS_PROBE(fail2);
+fail1:
+	EFSYS_PROBE1(fail1, efx_rc_t, rc);
+	return (rc);
+}
+
 static	__checkReturn			efx_rc_t
 efx_mae_action_set_add_flag(
 	__in				efx_mae_actions_t *spec,
@@ -1463,6 +1512,9 @@ static const efx_mae_action_desc_t efx_mae_actions[EFX_MAE_NACTIONS] = {
 	[EFX_MAE_ACTION_ENCAP] = {
 		.emad_add = efx_mae_action_set_add_encap
 	},
+	[EFX_MAE_ACTION_COUNT] = {
+		.emad_add = efx_mae_action_set_add_count
+	},
 	[EFX_MAE_ACTION_FLAG] = {
 		.emad_add = efx_mae_action_set_add_flag
 	},
@@ -1478,6 +1530,12 @@ static const uint32_t efx_mae_action_ordered_map =
 	(1U << EFX_MAE_ACTION_DECAP) |
 	(1U << EFX_MAE_ACTION_VLAN_POP) |
 	(1U << EFX_MAE_ACTION_VLAN_PUSH) |
+	/*
+	 * HW will conduct action COUNT after
+	 * the matching packet has been modified by
+	 * length-affecting actions except for ENCAP.
+	 */
+	(1U << EFX_MAE_ACTION_COUNT) |
 	(1U << EFX_MAE_ACTION_ENCAP) |
 	(1U << EFX_MAE_ACTION_FLAG) |
 	(1U << EFX_MAE_ACTION_MARK) |
@@ -1489,12 +1547,14 @@ static const uint32_t efx_mae_action_ordered_map =
  * strictly ordered actions.
  */
 static const uint32_t efx_mae_action_nonstrict_map =
+	(1U << EFX_MAE_ACTION_COUNT) |
 	(1U << EFX_MAE_ACTION_FLAG) |
 	(1U << EFX_MAE_ACTION_MARK);
 
 static const uint32_t efx_mae_action_repeat_map =
 	(1U << EFX_MAE_ACTION_VLAN_POP) |
-	(1U << EFX_MAE_ACTION_VLAN_PUSH);
+	(1U << EFX_MAE_ACTION_VLAN_PUSH) |
+	(1U << EFX_MAE_ACTION_COUNT);
 
 /*
  * Add an action to an action set.
@@ -1617,6 +1677,20 @@ efx_mae_action_set_populate_encap(
 	    EFX_MAE_ACTION_ENCAP, 0, NULL));
 }
 
+	__checkReturn			efx_rc_t
+efx_mae_action_set_populate_count(
+	__in				efx_mae_actions_t *spec)
+{
+	/*
+	 * There is no argument to pass counter ID, thus, one does not
+	 * need to allocate a counter while parsing application input.
+	 * This is useful since building an action set may be done simply to
+	 * validate a rule, whilst resource allocation usually consumes time.
+	 */
+	return (efx_mae_action_set_spec_populate(spec,
+	    EFX_MAE_ACTION_COUNT, 0, NULL));
+}
+
 	__checkReturn			efx_rc_t
 efx_mae_action_set_populate_flag(
 	__in				efx_mae_actions_t *spec)
@@ -2303,8 +2377,6 @@ efx_mae_action_set_alloc(
 	 */
 	MCDI_IN_SET_DWORD(req,
 	    MAE_ACTION_SET_ALLOC_IN_COUNTER_LIST_ID, EFX_MAE_RSRC_ID_INVALID);
-	MCDI_IN_SET_DWORD(req,
-	    MAE_ACTION_SET_ALLOC_IN_COUNTER_ID, EFX_MAE_RSRC_ID_INVALID);
 
 	if ((spec->ema_actions & (1U << EFX_MAE_ACTION_DECAP)) != 0) {
 		MCDI_IN_SET_DWORD_FIELD(req, MAE_ACTION_SET_ALLOC_IN_FLAGS,
@@ -2341,6 +2413,8 @@ efx_mae_action_set_alloc(
 
 	MCDI_IN_SET_DWORD(req, MAE_ACTION_SET_ALLOC_IN_ENCAP_HEADER_ID,
 	    spec->ema_rsrc.emar_eh_id.id);
+	MCDI_IN_SET_DWORD(req, MAE_ACTION_SET_ALLOC_IN_COUNTER_ID,
+	    spec->ema_rsrc.emar_counter_id.id);
 
 	if ((spec->ema_actions & (1U << EFX_MAE_ACTION_FLAG)) != 0) {
 		MCDI_IN_SET_DWORD_FIELD(req, MAE_ACTION_SET_ALLOC_IN_FLAGS,
@@ -2396,6 +2470,357 @@ fail1:
 	return (rc);
 }
 
+	__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);
+}
+
 	__checkReturn			efx_rc_t
 efx_mae_action_set_free(
 	__in				efx_nic_t *enp,