/* SPDX-License-Identifier: BSD-3-Clause
*
- * Copyright(c) 2019 Xilinx, Inc. All rights reserved.
- * All rights reserved.
+ * Copyright(c) 2019-2021 Xilinx, Inc.
*/
#include "efx.h"
maep->em_encap_types_supported = 0;
- if (MCDI_OUT_DWORD(req, MAE_GET_CAPS_OUT_ENCAP_TYPE_VXLAN) == 1) {
+ if (MCDI_OUT_DWORD_FIELD(req, MAE_GET_CAPS_OUT_ENCAP_TYPES_SUPPORTED,
+ MAE_GET_CAPS_OUT_ENCAP_TYPE_VXLAN) != 0) {
maep->em_encap_types_supported |=
(1U << EFX_TUNNEL_PROTOCOL_VXLAN);
}
- if (MCDI_OUT_DWORD(req, MAE_GET_CAPS_OUT_ENCAP_TYPE_GENEVE) == 1) {
+ if (MCDI_OUT_DWORD_FIELD(req, MAE_GET_CAPS_OUT_ENCAP_TYPES_SUPPORTED,
+ MAE_GET_CAPS_OUT_ENCAP_TYPE_GENEVE) != 0) {
maep->em_encap_types_supported |=
(1U << EFX_TUNNEL_PROTOCOL_GENEVE);
}
- if (MCDI_OUT_DWORD(req, MAE_GET_CAPS_OUT_ENCAP_TYPE_NVGRE) == 1) {
+ if (MCDI_OUT_DWORD_FIELD(req, MAE_GET_CAPS_OUT_ENCAP_TYPES_SUPPORTED,
+ MAE_GET_CAPS_OUT_ENCAP_TYPE_NVGRE) != 0) {
maep->em_encap_types_supported |=
(1U << EFX_TUNNEL_PROTOCOL_NVGRE);
}
goto fail2;
}
+ if (req.emr_out_length_used < MC_CMD_MAE_GET_OR_CAPS_OUT_LENMIN) {
+ rc = EMSGSIZE;
+ goto fail3;
+ }
+
mcdi_field_ncaps = MCDI_OUT_DWORD(req, MAE_GET_OR_CAPS_OUT_COUNT);
if (req.emr_out_length_used <
MC_CMD_MAE_GET_OR_CAPS_OUT_LEN(mcdi_field_ncaps)) {
rc = EMSGSIZE;
- goto fail3;
+ goto fail4;
}
if (mcdi_field_ncaps > field_ncaps) {
rc = EMSGSIZE;
- goto fail4;
+ goto fail5;
}
for (i = 0; i < mcdi_field_ncaps; ++i) {
return (0);
+fail5:
+ EFSYS_PROBE(fail5);
fail4:
EFSYS_PROBE(fail4);
fail3:
goto fail2;
}
- mcdi_field_ncaps = MCDI_OUT_DWORD(req, MAE_GET_OR_CAPS_OUT_COUNT);
+ if (req.emr_out_length_used < MC_CMD_MAE_GET_AR_CAPS_OUT_LENMIN) {
+ rc = EMSGSIZE;
+ goto fail3;
+ }
+
+ mcdi_field_ncaps = MCDI_OUT_DWORD(req, MAE_GET_AR_CAPS_OUT_COUNT);
if (req.emr_out_length_used <
MC_CMD_MAE_GET_AR_CAPS_OUT_LEN(mcdi_field_ncaps)) {
rc = EMSGSIZE;
- goto fail3;
+ goto fail4;
}
if (mcdi_field_ncaps > field_ncaps) {
rc = EMSGSIZE;
- goto fail4;
+ goto fail5;
}
for (i = 0; i < mcdi_field_ncaps; ++i) {
return (0);
+fail5:
+ EFSYS_PROBE(fail5);
fail4:
EFSYS_PROBE(fail4);
fail3:
emlp->eml_max_n_outer_prios = maep->em_max_n_outer_prios;
emlp->eml_max_n_action_prios = maep->em_max_n_action_prios;
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;
return (0);
goto fail2;
}
- if (value_size != descp->emmd_value_size) {
+ if (descp->emmd_mask_size == 0) {
+ /* The ID points to a gap in the array of field descriptors. */
rc = EINVAL;
goto fail3;
}
- if (mask_size != descp->emmd_mask_size) {
+ if (value_size != descp->emmd_value_size) {
rc = EINVAL;
goto fail4;
}
+ if (mask_size != descp->emmd_mask_size) {
+ rc = EINVAL;
+ goto fail5;
+ }
+
if (descp->emmd_endianness == EFX_MAE_FIELD_BE) {
+ unsigned int i;
+
/*
* The mask/value are in network (big endian) order.
* The MCDI request field is also big endian.
*/
- memcpy(mvp + descp->emmd_value_offset, value, value_size);
- memcpy(mvp + descp->emmd_mask_offset, mask, mask_size);
+
+ EFSYS_ASSERT3U(value_size, ==, mask_size);
+
+ for (i = 0; i < value_size; ++i) {
+ uint8_t *v_bytep = mvp + descp->emmd_value_offset + i;
+ uint8_t *m_bytep = mvp + descp->emmd_mask_offset + i;
+
+ /*
+ * Apply the mask (which may be all-zeros) to the value.
+ *
+ * If this API is provided with some value to set for a
+ * given field in one specification and with some other
+ * value to set for this field in another specification,
+ * then, if the two masks are all-zeros, the field will
+ * avoid being counted as a mismatch when comparing the
+ * specifications using efx_mae_match_specs_equal() API.
+ */
+ *v_bytep = value[i] & mask[i];
+ *m_bytep = mask[i];
+ }
} else {
efx_dword_t dword;
return (0);
+fail5:
+ EFSYS_PROBE(fail5);
fail4:
EFSYS_PROBE(fail4);
fail3:
goto fail1;
}
+ spec->ema_rsrc.emar_eh_id.id = EFX_MAE_RSRC_ID_INVALID;
+
*specp = spec;
return (0);
EFSYS_KMEM_FREE(enp->en_esip, sizeof (*spec), spec);
}
+static __checkReturn efx_rc_t
+efx_mae_action_set_add_decap(
+ __in efx_mae_actions_t *spec,
+ __in size_t arg_size,
+ __in_bcount(arg_size) const uint8_t *arg)
+{
+ efx_rc_t rc;
+
+ _NOTE(ARGUNUSED(spec))
+
+ if (arg_size != 0) {
+ rc = EINVAL;
+ goto fail1;
+ }
+
+ if (arg != NULL) {
+ rc = EINVAL;
+ goto fail2;
+ }
+
+ /* This action does not have any arguments, so do nothing here. */
+
+ 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_vlan_pop(
__in efx_mae_actions_t *spec,
return (rc);
}
+static __checkReturn efx_rc_t
+efx_mae_action_set_add_encap(
+ __in efx_mae_actions_t *spec,
+ __in size_t arg_size,
+ __in_bcount(arg_size) const uint8_t *arg)
+{
+ efx_rc_t rc;
+
+ /*
+ * Adding this specific action to an action set spec and setting encap.
+ * header ID in the spec are two individual steps. This design allows
+ * the client driver to avoid encap. header allocation when it simply
+ * needs to check the order of actions submitted by user ("validate"),
+ * without actually allocating an action set and inserting a rule.
+ *
+ * For now, mark encap. header ID as invalid; the caller will invoke
+ * efx_mae_action_set_fill_in_eh_id() to override the field prior
+ * to action set allocation; otherwise, the allocation will fail.
+ */
+ spec->ema_rsrc.emar_eh_id.id = EFX_MAE_RSRC_ID_INVALID;
+
+ /*
+ * As explained above, there are no arguments to handle here.
+ * efx_mae_action_set_fill_in_eh_id() will take care of them.
+ */
+ if (arg_size != 0) {
+ rc = EINVAL;
+ goto fail1;
+ }
+
+ if (arg != NULL) {
+ rc = EINVAL;
+ goto fail2;
+ }
+
+ 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,
} efx_mae_action_desc_t;
static const efx_mae_action_desc_t efx_mae_actions[EFX_MAE_NACTIONS] = {
+ [EFX_MAE_ACTION_DECAP] = {
+ .emad_add = efx_mae_action_set_add_decap
+ },
[EFX_MAE_ACTION_VLAN_POP] = {
.emad_add = efx_mae_action_set_add_vlan_pop
},
[EFX_MAE_ACTION_VLAN_PUSH] = {
.emad_add = efx_mae_action_set_add_vlan_push
},
+ [EFX_MAE_ACTION_ENCAP] = {
+ .emad_add = efx_mae_action_set_add_encap
+ },
[EFX_MAE_ACTION_FLAG] = {
.emad_add = efx_mae_action_set_add_flag
},
};
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) |
+ (1U << EFX_MAE_ACTION_ENCAP) |
(1U << EFX_MAE_ACTION_FLAG) |
(1U << EFX_MAE_ACTION_MARK) |
(1U << EFX_MAE_ACTION_DELIVER);
return (rc);
}
+ __checkReturn efx_rc_t
+efx_mae_action_set_populate_decap(
+ __in efx_mae_actions_t *spec)
+{
+ return (efx_mae_action_set_spec_populate(spec,
+ EFX_MAE_ACTION_DECAP, 0, NULL));
+}
+
__checkReturn efx_rc_t
efx_mae_action_set_populate_vlan_pop(
__in efx_mae_actions_t *spec)
EFX_MAE_ACTION_VLAN_PUSH, sizeof (action), arg));
}
+ __checkReturn efx_rc_t
+efx_mae_action_set_populate_encap(
+ __in efx_mae_actions_t *spec)
+{
+ /*
+ * There is no argument to pass encap. header ID, thus, one does not
+ * need to allocate an encap. header 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_ENCAP, 0, NULL));
+}
+
__checkReturn efx_rc_t
efx_mae_action_set_populate_flag(
__in efx_mae_actions_t *spec)
__in const efx_mae_actions_t *left,
__in const efx_mae_actions_t *right)
{
- return ((memcmp(left, right, sizeof (*left)) == 0) ? B_TRUE : B_FALSE);
+ size_t cmp_size = EFX_FIELD_OFFSET(efx_mae_actions_t, ema_rsrc);
+
+ /*
+ * An action set specification consists of two parts. The first part
+ * indicates what actions are included in the action set, as well as
+ * extra quantitative values (in example, the number of VLAN tags to
+ * push). The second part comprises resource IDs used by the actions.
+ *
+ * A resource, in example, a counter, is allocated from the hardware
+ * by the client, and it's the client who is responsible for keeping
+ * track of allocated resources and comparing resource IDs if needed.
+ *
+ * In this API, don't compare resource IDs in the two specifications.
+ */
+
+ return ((memcmp(left, right, cmp_size) == 0) ? B_TRUE : B_FALSE);
}
__checkReturn efx_rc_t
goto fail2;
}
+ if (req.emr_out_length_used < MC_CMD_MAE_OUTER_RULE_REMOVE_OUT_LENMIN) {
+ rc = EMSGSIZE;
+ goto fail3;
+ }
+
if (MCDI_OUT_DWORD(req, MAE_OUTER_RULE_REMOVE_OUT_REMOVED_OR_ID) !=
or_idp->id) {
/* Firmware failed to remove the outer rule. */
rc = EAGAIN;
- goto fail3;
+ goto fail4;
}
return (0);
+fail4:
+ EFSYS_PROBE(fail4);
fail3:
EFSYS_PROBE(fail3);
fail2:
return (0);
+fail3:
+ EFSYS_PROBE(fail3);
+fail2:
+ EFSYS_PROBE(fail2);
+fail1:
+ EFSYS_PROBE1(fail1, efx_rc_t, rc);
+ return (rc);
+}
+
+ __checkReturn efx_rc_t
+efx_mae_encap_header_alloc(
+ __in efx_nic_t *enp,
+ __in efx_tunnel_protocol_t encap_type,
+ __in_bcount(header_size) uint8_t *header_data,
+ __in size_t header_size,
+ __out efx_mae_eh_id_t *eh_idp)
+{
+ const efx_nic_cfg_t *encp = efx_nic_cfg_get(enp);
+ efx_mcdi_req_t req;
+ EFX_MCDI_DECLARE_BUF(payload,
+ MC_CMD_MAE_ENCAP_HEADER_ALLOC_IN_LENMAX_MCDI2,
+ MC_CMD_MAE_ENCAP_HEADER_ALLOC_OUT_LEN);
+ uint32_t encap_type_mcdi;
+ efx_mae_eh_id_t eh_id;
+ efx_rc_t rc;
+
+ EFX_STATIC_ASSERT(sizeof (eh_idp->id) ==
+ MC_CMD_MAE_ENCAP_HEADER_ALLOC_OUT_ENCAP_HEADER_ID_LEN);
+
+ EFX_STATIC_ASSERT(EFX_MAE_RSRC_ID_INVALID ==
+ MC_CMD_MAE_ENCAP_HEADER_ALLOC_OUT_ENCAP_HEADER_ID_NULL);
+
+ if (encp->enc_mae_supported == B_FALSE) {
+ rc = ENOTSUP;
+ goto fail1;
+ }
+
+ switch (encap_type) {
+ case EFX_TUNNEL_PROTOCOL_NONE:
+ encap_type_mcdi = MAE_MCDI_ENCAP_TYPE_NONE;
+ break;
+ case EFX_TUNNEL_PROTOCOL_VXLAN:
+ encap_type_mcdi = MAE_MCDI_ENCAP_TYPE_VXLAN;
+ break;
+ case EFX_TUNNEL_PROTOCOL_GENEVE:
+ encap_type_mcdi = MAE_MCDI_ENCAP_TYPE_GENEVE;
+ break;
+ case EFX_TUNNEL_PROTOCOL_NVGRE:
+ encap_type_mcdi = MAE_MCDI_ENCAP_TYPE_NVGRE;
+ break;
+ default:
+ rc = ENOTSUP;
+ goto fail2;
+ }
+
+ if (header_size >
+ MC_CMD_MAE_ENCAP_HEADER_ALLOC_IN_HDR_DATA_MAXNUM_MCDI2) {
+ rc = EINVAL;
+ goto fail3;
+ }
+
+ req.emr_cmd = MC_CMD_MAE_ENCAP_HEADER_ALLOC;
+ req.emr_in_buf = payload;
+ req.emr_in_length = MC_CMD_MAE_ENCAP_HEADER_ALLOC_IN_LEN(header_size);
+ req.emr_out_buf = payload;
+ req.emr_out_length = MC_CMD_MAE_ENCAP_HEADER_ALLOC_OUT_LEN;
+
+ MCDI_IN_SET_DWORD(req,
+ MAE_ENCAP_HEADER_ALLOC_IN_ENCAP_TYPE, encap_type_mcdi);
+
+ memcpy(payload + MC_CMD_MAE_ENCAP_HEADER_ALLOC_IN_HDR_DATA_OFST,
+ header_data, header_size);
+
+ efx_mcdi_execute(enp, &req);
+
+ if (req.emr_rc != 0) {
+ rc = req.emr_rc;
+ goto fail4;
+ }
+
+ if (req.emr_out_length_used < MC_CMD_MAE_ENCAP_HEADER_ALLOC_OUT_LEN) {
+ rc = EMSGSIZE;
+ goto fail5;
+ }
+
+ eh_id.id = MCDI_OUT_DWORD(req,
+ MAE_ENCAP_HEADER_ALLOC_OUT_ENCAP_HEADER_ID);
+
+ if (eh_id.id == EFX_MAE_RSRC_ID_INVALID) {
+ rc = ENOENT;
+ goto fail6;
+ }
+
+ eh_idp->id = eh_id.id;
+
+ return (0);
+
+fail6:
+ EFSYS_PROBE(fail6);
+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);
+}
+
+ __checkReturn efx_rc_t
+efx_mae_encap_header_free(
+ __in efx_nic_t *enp,
+ __in const efx_mae_eh_id_t *eh_idp)
+{
+ const efx_nic_cfg_t *encp = efx_nic_cfg_get(enp);
+ efx_mcdi_req_t req;
+ EFX_MCDI_DECLARE_BUF(payload,
+ MC_CMD_MAE_ENCAP_HEADER_FREE_IN_LEN(1),
+ MC_CMD_MAE_ENCAP_HEADER_FREE_OUT_LEN(1));
+ efx_rc_t rc;
+
+ if (encp->enc_mae_supported == B_FALSE) {
+ rc = ENOTSUP;
+ goto fail1;
+ }
+
+ req.emr_cmd = MC_CMD_MAE_ENCAP_HEADER_FREE;
+ req.emr_in_buf = payload;
+ req.emr_in_length = MC_CMD_MAE_ENCAP_HEADER_FREE_IN_LEN(1);
+ req.emr_out_buf = payload;
+ req.emr_out_length = MC_CMD_MAE_ENCAP_HEADER_FREE_OUT_LEN(1);
+
+ MCDI_IN_SET_DWORD(req, MAE_ENCAP_HEADER_FREE_IN_EH_ID, eh_idp->id);
+
+ efx_mcdi_execute(enp, &req);
+
+ if (req.emr_rc != 0) {
+ rc = req.emr_rc;
+ goto fail2;
+ }
+
+ if (MCDI_OUT_DWORD(req, MAE_ENCAP_HEADER_FREE_OUT_FREED_EH_ID) !=
+ eh_idp->id) {
+ /* Firmware failed to remove the encap. header. */
+ rc = EAGAIN;
+ goto fail3;
+ }
+
+ return (0);
+
+fail3:
+ EFSYS_PROBE(fail3);
+fail2:
+ EFSYS_PROBE(fail2);
+fail1:
+ EFSYS_PROBE1(fail1, efx_rc_t, rc);
+ return (rc);
+}
+
+ __checkReturn efx_rc_t
+efx_mae_action_set_fill_in_eh_id(
+ __in efx_mae_actions_t *spec,
+ __in const efx_mae_eh_id_t *eh_idp)
+{
+ efx_rc_t rc;
+
+ if ((spec->ema_actions & (1U << EFX_MAE_ACTION_ENCAP)) == 0) {
+ /*
+ * The caller has not intended to have action ENCAP originally,
+ * hence, this attempt to indicate encap. header ID is invalid.
+ */
+ rc = EINVAL;
+ goto fail1;
+ }
+
+ if (spec->ema_rsrc.emar_eh_id.id != EFX_MAE_RSRC_ID_INVALID) {
+ /* The caller attempts to indicate encap. header ID twice. */
+ rc = EINVAL;
+ goto fail2;
+ }
+
+ if (eh_idp->id == EFX_MAE_RSRC_ID_INVALID) {
+ rc = EINVAL;
+ goto fail3;
+ }
+
+ spec->ema_rsrc.emar_eh_id.id = eh_idp->id;
+
+ return (0);
+
fail3:
EFSYS_PROBE(fail3);
fail2:
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);
- MCDI_IN_SET_DWORD(req,
- MAE_ACTION_SET_ALLOC_IN_ENCAP_HEADER_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,
+ MAE_ACTION_SET_ALLOC_IN_DECAP, 1);
+ }
MCDI_IN_SET_DWORD_FIELD(req, MAE_ACTION_SET_ALLOC_IN_FLAGS,
MAE_ACTION_SET_ALLOC_IN_VLAN_POP, spec->ema_n_vlan_tags_to_pop);
spec->ema_vlan_push_descs[outer_tag_idx].emavp_tci_be);
}
+ MCDI_IN_SET_DWORD(req, MAE_ACTION_SET_ALLOC_IN_ENCAP_HEADER_ID,
+ spec->ema_rsrc.emar_eh_id.id);
+
if ((spec->ema_actions & (1U << EFX_MAE_ACTION_FLAG)) != 0) {
MCDI_IN_SET_DWORD_FIELD(req, MAE_ACTION_SET_ALLOC_IN_FLAGS,
MAE_ACTION_SET_ALLOC_IN_FLAG, 1);
goto fail2;
}
+ if (req.emr_out_length_used < MC_CMD_MAE_ACTION_SET_FREE_OUT_LENMIN) {
+ rc = EMSGSIZE;
+ goto fail3;
+ }
+
if (MCDI_OUT_DWORD(req, MAE_ACTION_SET_FREE_OUT_FREED_AS_ID) !=
aset_idp->id) {
/* Firmware failed to free the action set. */
rc = EAGAIN;
- goto fail3;
+ goto fail4;
}
return (0);
+fail4:
+ EFSYS_PROBE(fail4);
fail3:
EFSYS_PROBE(fail3);
fail2:
goto fail2;
}
+ if (req.emr_out_length_used <
+ MC_CMD_MAE_ACTION_RULE_DELETE_OUT_LENMIN) {
+ rc = EMSGSIZE;
+ goto fail3;
+ }
+
if (MCDI_OUT_DWORD(req, MAE_ACTION_RULE_DELETE_OUT_DELETED_AR_ID) !=
ar_idp->id) {
/* Firmware failed to delete the action rule. */
rc = EAGAIN;
- goto fail3;
+ goto fail4;
}
return (0);
+fail4:
+ EFSYS_PROBE(fail4);
fail3:
EFSYS_PROBE(fail3);
fail2:
git.droids-corp.org / dpdk.git / blobdiff