// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
/* Copyright (c) 2019 Mellanox Technologies. */
#include "dr_types.h"
#include "dr_ste.h"
enum dr_action_domain {
DR_ACTION_DOMAIN_NIC_INGRESS,
DR_ACTION_DOMAIN_NIC_EGRESS,
DR_ACTION_DOMAIN_FDB_INGRESS,
DR_ACTION_DOMAIN_FDB_EGRESS,
DR_ACTION_DOMAIN_MAX,
};
enum dr_action_valid_state {
DR_ACTION_STATE_ERR,
DR_ACTION_STATE_NO_ACTION,
DR_ACTION_STATE_ENCAP,
DR_ACTION_STATE_DECAP,
DR_ACTION_STATE_MODIFY_HDR,
DR_ACTION_STATE_POP_VLAN,
DR_ACTION_STATE_PUSH_VLAN,
DR_ACTION_STATE_NON_TERM,
DR_ACTION_STATE_TERM,
DR_ACTION_STATE_MAX,
};
static const char * const action_type_to_str[] = {
[DR_ACTION_TYP_TNL_L2_TO_L2] = "DR_ACTION_TYP_TNL_L2_TO_L2",
[DR_ACTION_TYP_L2_TO_TNL_L2] = "DR_ACTION_TYP_L2_TO_TNL_L2",
[DR_ACTION_TYP_TNL_L3_TO_L2] = "DR_ACTION_TYP_TNL_L3_TO_L2",
[DR_ACTION_TYP_L2_TO_TNL_L3] = "DR_ACTION_TYP_L2_TO_TNL_L3",
[DR_ACTION_TYP_DROP] = "DR_ACTION_TYP_DROP",
[DR_ACTION_TYP_QP] = "DR_ACTION_TYP_QP",
[DR_ACTION_TYP_FT] = "DR_ACTION_TYP_FT",
[DR_ACTION_TYP_CTR] = "DR_ACTION_TYP_CTR",
[DR_ACTION_TYP_TAG] = "DR_ACTION_TYP_TAG",
[DR_ACTION_TYP_MODIFY_HDR] = "DR_ACTION_TYP_MODIFY_HDR",
[DR_ACTION_TYP_VPORT] = "DR_ACTION_TYP_VPORT",
[DR_ACTION_TYP_POP_VLAN] = "DR_ACTION_TYP_POP_VLAN",
[DR_ACTION_TYP_PUSH_VLAN] = "DR_ACTION_TYP_PUSH_VLAN",
[DR_ACTION_TYP_INSERT_HDR] = "DR_ACTION_TYP_INSERT_HDR",
[DR_ACTION_TYP_REMOVE_HDR] = "DR_ACTION_TYP_REMOVE_HDR",
[DR_ACTION_TYP_MAX] = "DR_ACTION_UNKNOWN",
};
static const char *dr_action_id_to_str(enum mlx5dr_action_type action_id)
{
if (action_id > DR_ACTION_TYP_MAX)
action_id = DR_ACTION_TYP_MAX;
return action_type_to_str[action_id];
}
static const enum dr_action_valid_state
next_action_state[DR_ACTION_DOMAIN_MAX][DR_ACTION_STATE_MAX][DR_ACTION_TYP_MAX] = {
[DR_ACTION_DOMAIN_NIC_INGRESS] = {
[DR_ACTION_STATE_NO_ACTION] = {
[DR_ACTION_TYP_DROP] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_QP] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_FT] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_SAMPLER] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_TAG] = DR_ACTION_STATE_NON_TERM,
[DR_ACTION_TYP_CTR] = DR_ACTION_STATE_NON_TERM,
[DR_ACTION_TYP_TNL_L2_TO_L2] = DR_ACTION_STATE_DECAP,
[DR_ACTION_TYP_TNL_L3_TO_L2] = DR_ACTION_STATE_DECAP,
[DR_ACTION_TYP_L2_TO_TNL_L2] = DR_ACTION_STATE_ENCAP,
[DR_ACTION_TYP_L2_TO_TNL_L3] = DR_ACTION_STATE_ENCAP,
[DR_ACTION_TYP_INSERT_HDR] = DR_ACTION_STATE_ENCAP,
[DR_ACTION_TYP_REMOVE_HDR] = DR_ACTION_STATE_DECAP,
[DR_ACTION_TYP_MODIFY_HDR] = DR_ACTION_STATE_MODIFY_HDR,
[DR_ACTION_TYP_POP_VLAN] = DR_ACTION_STATE_POP_VLAN,
[DR_ACTION_TYP_PUSH_VLAN] = DR_ACTION_STATE_PUSH_VLAN,
},
[DR_ACTION_STATE_DECAP] = {
[DR_ACTION_TYP_DROP] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_QP] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_FT] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_SAMPLER] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_TAG] = DR_ACTION_STATE_DECAP,
[DR_ACTION_TYP_CTR] = DR_ACTION_STATE_DECAP,
[DR_ACTION_TYP_L2_TO_TNL_L2] = DR_ACTION_STATE_ENCAP,
[DR_ACTION_TYP_L2_TO_TNL_L3] = DR_ACTION_STATE_ENCAP,
[DR_ACTION_TYP_INSERT_HDR] = DR_ACTION_STATE_ENCAP,
[DR_ACTION_TYP_MODIFY_HDR] = DR_ACTION_STATE_MODIFY_HDR,
[DR_ACTION_TYP_POP_VLAN] = DR_ACTION_STATE_POP_VLAN,
[DR_ACTION_TYP_PUSH_VLAN] = DR_ACTION_STATE_PUSH_VLAN,
},
[DR_ACTION_STATE_ENCAP] = {
[DR_ACTION_TYP_DROP] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_QP] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_FT] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_SAMPLER] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_TAG] = DR_ACTION_STATE_ENCAP,
[DR_ACTION_TYP_CTR] = DR_ACTION_STATE_ENCAP,
},
[DR_ACTION_STATE_MODIFY_HDR] = {
[DR_ACTION_TYP_DROP] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_QP] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_FT] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_SAMPLER] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_TAG] = DR_ACTION_STATE_MODIFY_HDR,
[DR_ACTION_TYP_CTR] = DR_ACTION_STATE_MODIFY_HDR,
[DR_ACTION_TYP_L2_TO_TNL_L2] = DR_ACTION_STATE_ENCAP,
[DR_ACTION_TYP_L2_TO_TNL_L3] = DR_ACTION_STATE_ENCAP,
[DR_ACTION_TYP_INSERT_HDR] = DR_ACTION_STATE_ENCAP,
[DR_ACTION_TYP_PUSH_VLAN] = DR_ACTION_STATE_PUSH_VLAN,
},
[DR_ACTION_STATE_POP_VLAN] = {
[DR_ACTION_TYP_DROP] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_QP] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_FT] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_SAMPLER] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_TAG] = DR_ACTION_STATE_POP_VLAN,
[DR_ACTION_TYP_CTR] = DR_ACTION_STATE_POP_VLAN,
[DR_ACTION_TYP_POP_VLAN] = DR_ACTION_STATE_POP_VLAN,
[DR_ACTION_TYP_MODIFY_HDR] = DR_ACTION_STATE_MODIFY_HDR,
[DR_ACTION_TYP_L2_TO_TNL_L2] = DR_ACTION_STATE_ENCAP,
[DR_ACTION_TYP_L2_TO_TNL_L3] = DR_ACTION_STATE_ENCAP,
[DR_ACTION_TYP_INSERT_HDR] = DR_ACTION_STATE_ENCAP,
},
[DR_ACTION_STATE_PUSH_VLAN] = {
[DR_ACTION_TYP_QP] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_FT] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_SAMPLER] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_TAG] = DR_ACTION_STATE_PUSH_VLAN,
[DR_ACTION_TYP_CTR] = DR_ACTION_STATE_PUSH_VLAN,
[DR_ACTION_TYP_PUSH_VLAN] = DR_ACTION_STATE_PUSH_VLAN,
[DR_ACTION_TYP_L2_TO_TNL_L2] = DR_ACTION_STATE_ENCAP,
[DR_ACTION_TYP_L2_TO_TNL_L3] = DR_ACTION_STATE_ENCAP,
},
[DR_ACTION_STATE_NON_TERM] = {
[DR_ACTION_TYP_DROP] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_QP] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_FT] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_SAMPLER] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_TAG] = DR_ACTION_STATE_NON_TERM,
[DR_ACTION_TYP_CTR] = DR_ACTION_STATE_NON_TERM,
[DR_ACTION_TYP_TNL_L2_TO_L2] = DR_ACTION_STATE_DECAP,
[DR_ACTION_TYP_TNL_L3_TO_L2] = DR_ACTION_STATE_DECAP,
[DR_ACTION_TYP_L2_TO_TNL_L2] = DR_ACTION_STATE_ENCAP,
[DR_ACTION_TYP_L2_TO_TNL_L3] = DR_ACTION_STATE_ENCAP,
[DR_ACTION_TYP_INSERT_HDR] = DR_ACTION_STATE_ENCAP,
[DR_ACTION_TYP_REMOVE_HDR] = DR_ACTION_STATE_DECAP,
[DR_ACTION_TYP_MODIFY_HDR] = DR_ACTION_STATE_MODIFY_HDR,
[DR_ACTION_TYP_POP_VLAN] = DR_ACTION_STATE_POP_VLAN,
[DR_ACTION_TYP_PUSH_VLAN] = DR_ACTION_STATE_PUSH_VLAN,
},
[DR_ACTION_STATE_TERM] = {
[DR_ACTION_TYP_CTR] = DR_ACTION_STATE_TERM,
},
},
[DR_ACTION_DOMAIN_NIC_EGRESS] = {
[DR_ACTION_STATE_NO_ACTION] = {
[DR_ACTION_TYP_DROP] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_FT] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_SAMPLER] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_CTR] = DR_ACTION_STATE_NON_TERM,
[DR_ACTION_TYP_L2_TO_TNL_L2] = DR_ACTION_STATE_ENCAP,
[DR_ACTION_TYP_L2_TO_TNL_L3] = DR_ACTION_STATE_ENCAP,
[DR_ACTION_TYP_INSERT_HDR] = DR_ACTION_STATE_ENCAP,
[DR_ACTION_TYP_REMOVE_HDR] = DR_ACTION_STATE_DECAP,
[DR_ACTION_TYP_MODIFY_HDR] = DR_ACTION_STATE_MODIFY_HDR,
[DR_ACTION_TYP_PUSH_VLAN] = DR_ACTION_STATE_PUSH_VLAN,
[DR_ACTION_TYP_POP_VLAN] = DR_ACTION_STATE_POP_VLAN,
},
[DR_ACTION_STATE_DECAP] = {
[DR_ACTION_TYP_DROP] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_FT] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_SAMPLER] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_CTR] = DR_ACTION_STATE_DECAP,
},
[DR_ACTION_STATE_ENCAP] = {
[DR_ACTION_TYP_DROP] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_FT] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_SAMPLER] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_CTR] = DR_ACTION_STATE_ENCAP,
},
[DR_ACTION_STATE_MODIFY_HDR] = {
[DR_ACTION_TYP_DROP] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_FT] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_SAMPLER] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_CTR] = DR_ACTION_STATE_MODIFY_HDR,
[DR_ACTION_TYP_L2_TO_TNL_L2] = DR_ACTION_STATE_ENCAP,
[DR_ACTION_TYP_L2_TO_TNL_L3] = DR_ACTION_STATE_ENCAP,
[DR_ACTION_TYP_INSERT_HDR] = DR_ACTION_STATE_ENCAP,
[DR_ACTION_TYP_PUSH_VLAN] = DR_ACTION_STATE_PUSH_VLAN,
},
[DR_ACTION_STATE_POP_VLAN] = {
[DR_ACTION_TYP_FT] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_SAMPLER] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_CTR] = DR_ACTION_STATE_POP_VLAN,
[DR_ACTION_TYP_POP_VLAN] = DR_ACTION_STATE_POP_VLAN,
[DR_ACTION_TYP_PUSH_VLAN] = DR_ACTION_STATE_PUSH_VLAN,
[DR_ACTION_TYP_MODIFY_HDR] = DR_ACTION_STATE_MODIFY_HDR,
[DR_ACTION_TYP_L2_TO_TNL_L2] = DR_ACTION_STATE_ENCAP,
[DR_ACTION_TYP_L2_TO_TNL_L3] = DR_ACTION_STATE_ENCAP,
[DR_ACTION_TYP_INSERT_HDR] = DR_ACTION_STATE_ENCAP,
},
[DR_ACTION_STATE_PUSH_VLAN] = {
[DR_ACTION_TYP_DROP] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_FT] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_SAMPLER] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_CTR] = DR_ACTION_STATE_PUSH_VLAN,
[DR_ACTION_TYP_PUSH_VLAN] = DR_ACTION_STATE_PUSH_VLAN,
[DR_ACTION_TYP_L2_TO_TNL_L2] = DR_ACTION_STATE_ENCAP,
[DR_ACTION_TYP_L2_TO_TNL_L3] = DR_ACTION_STATE_ENCAP,
[DR_ACTION_TYP_INSERT_HDR] = DR_ACTION_STATE_ENCAP,
},
[DR_ACTION_STATE_NON_TERM] = {
[DR_ACTION_TYP_DROP] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_FT] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_SAMPLER] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_CTR] = DR_ACTION_STATE_NON_TERM,
[DR_ACTION_TYP_L2_TO_TNL_L2] = DR_ACTION_STATE_ENCAP,
[DR_ACTION_TYP_L2_TO_TNL_L3] = DR_ACTION_STATE_ENCAP,
[DR_ACTION_TYP_INSERT_HDR] = DR_ACTION_STATE_ENCAP,
[DR_ACTION_TYP_REMOVE_HDR] = DR_ACTION_STATE_DECAP,
[DR_ACTION_TYP_MODIFY_HDR] = DR_ACTION_STATE_MODIFY_HDR,
[DR_ACTION_TYP_PUSH_VLAN] = DR_ACTION_STATE_PUSH_VLAN,
[DR_ACTION_TYP_POP_VLAN] = DR_ACTION_STATE_POP_VLAN,
},
[DR_ACTION_STATE_TERM] = {
[DR_ACTION_TYP_CTR] = DR_ACTION_STATE_TERM,
},
},
[DR_ACTION_DOMAIN_FDB_INGRESS] = {
[DR_ACTION_STATE_NO_ACTION] = {
[DR_ACTION_TYP_DROP] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_FT] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_SAMPLER] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_CTR] = DR_ACTION_STATE_NON_TERM,
[DR_ACTION_TYP_TNL_L2_TO_L2] = DR_ACTION_STATE_DECAP,
[DR_ACTION_TYP_TNL_L3_TO_L2] = DR_ACTION_STATE_DECAP,
[DR_ACTION_TYP_L2_TO_TNL_L2] = DR_ACTION_STATE_ENCAP,
[DR_ACTION_TYP_L2_TO_TNL_L3] = DR_ACTION_STATE_ENCAP,
[DR_ACTION_TYP_INSERT_HDR] = DR_ACTION_STATE_ENCAP,
[DR_ACTION_TYP_REMOVE_HDR] = DR_ACTION_STATE_DECAP,
[DR_ACTION_TYP_MODIFY_HDR] = DR_ACTION_STATE_MODIFY_HDR,
[DR_ACTION_TYP_PUSH_VLAN] = DR_ACTION_STATE_PUSH_VLAN,
[DR_ACTION_TYP_POP_VLAN] = DR_ACTION_STATE_POP_VLAN,
[DR_ACTION_TYP_VPORT] = DR_ACTION_STATE_TERM,
},
[DR_ACTION_STATE_DECAP] = {
[DR_ACTION_TYP_DROP] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_FT] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_CTR] = DR_ACTION_STATE_DECAP,
[DR_ACTION_TYP_SAMPLER] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_MODIFY_HDR] = DR_ACTION_STATE_MODIFY_HDR,
[DR_ACTION_TYP_VPORT] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_L2_TO_TNL_L2] = DR_ACTION_STATE_ENCAP,
[DR_ACTION_TYP_L2_TO_TNL_L3] = DR_ACTION_STATE_ENCAP,
[DR_ACTION_TYP_INSERT_HDR] = DR_ACTION_STATE_ENCAP,
[DR_ACTION_TYP_POP_VLAN] = DR_ACTION_STATE_POP_VLAN,
[DR_ACTION_TYP_PUSH_VLAN] = DR_ACTION_STATE_PUSH_VLAN,
},
[DR_ACTION_STATE_ENCAP] = {
[DR_ACTION_TYP_DROP] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_QP] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_FT] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_VPORT] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_SAMPLER] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_CTR] = DR_ACTION_STATE_ENCAP,
},
[DR_ACTION_STATE_MODIFY_HDR] = {
[DR_ACTION_TYP_DROP] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_FT] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_SAMPLER] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_CTR] = DR_ACTION_STATE_MODIFY_HDR,
[DR_ACTION_TYP_VPORT] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_L2_TO_TNL_L2] = DR_ACTION_STATE_ENCAP,
[DR_ACTION_TYP_L2_TO_TNL_L3] = DR_ACTION_STATE_ENCAP,
[DR_ACTION_TYP_INSERT_HDR] = DR_ACTION_STATE_ENCAP,
[DR_ACTION_TYP_PUSH_VLAN] = DR_ACTION_STATE_PUSH_VLAN,
},
[DR_ACTION_STATE_POP_VLAN] = {
[DR_ACTION_TYP_DROP] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_FT] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_SAMPLER] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_POP_VLAN] = DR_ACTION_STATE_POP_VLAN,
[DR_ACTION_TYP_CTR] = DR_ACTION_STATE_POP_VLAN,
[DR_ACTION_TYP_VPORT] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_MODIFY_HDR] = DR_ACTION_STATE_MODIFY_HDR,
[DR_ACTION_TYP_L2_TO_TNL_L2] = DR_ACTION_STATE_ENCAP,
[DR_ACTION_TYP_L2_TO_TNL_L3] = DR_ACTION_STATE_ENCAP,
[DR_ACTION_TYP_INSERT_HDR] = DR_ACTION_STATE_ENCAP,
},
[DR_ACTION_STATE_PUSH_VLAN] = {
[DR_ACTION_TYP_DROP] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_FT] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_SAMPLER] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_PUSH_VLAN] = DR_ACTION_STATE_PUSH_VLAN,
[DR_ACTION_TYP_CTR] = DR_ACTION_STATE_PUSH_VLAN,
[DR_ACTION_TYP_VPORT] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_MODIFY_HDR] = DR_ACTION_STATE_MODIFY_HDR,
[DR_ACTION_TYP_L2_TO_TNL_L2] = DR_ACTION_STATE_ENCAP,
[DR_ACTION_TYP_L2_TO_TNL_L3] = DR_ACTION_STATE_ENCAP,
[DR_ACTION_TYP_INSERT_HDR] = DR_ACTION_STATE_ENCAP,
},
[DR_ACTION_STATE_NON_TERM] = {
[DR_ACTION_TYP_DROP] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_FT] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_SAMPLER] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_CTR] = DR_ACTION_STATE_NON_TERM,
[DR_ACTION_TYP_TNL_L2_TO_L2] = DR_ACTION_STATE_DECAP,
[DR_ACTION_TYP_TNL_L3_TO_L2] = DR_ACTION_STATE_DECAP,
[DR_ACTION_TYP_L2_TO_TNL_L2] = DR_ACTION_STATE_ENCAP,
[DR_ACTION_TYP_L2_TO_TNL_L3] = DR_ACTION_STATE_ENCAP,
[DR_ACTION_TYP_INSERT_HDR] = DR_ACTION_STATE_ENCAP,
[DR_ACTION_TYP_REMOVE_HDR] = DR_ACTION_STATE_DECAP,
[DR_ACTION_TYP_MODIFY_HDR] = DR_ACTION_STATE_MODIFY_HDR,
[DR_ACTION_TYP_POP_VLAN] = DR_ACTION_STATE_POP_VLAN,
[DR_ACTION_TYP_PUSH_VLAN] = DR_ACTION_STATE_PUSH_VLAN,
[DR_ACTION_TYP_VPORT] = DR_ACTION_STATE_TERM,
},
[DR_ACTION_STATE_TERM] = {
[DR_ACTION_TYP_CTR] = DR_ACTION_STATE_TERM,
},
},
[DR_ACTION_DOMAIN_FDB_EGRESS] = {
[DR_ACTION_STATE_NO_ACTION] = {
[DR_ACTION_TYP_DROP] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_FT] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_SAMPLER] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_CTR] = DR_ACTION_STATE_NON_TERM,
[DR_ACTION_TYP_MODIFY_HDR] = DR_ACTION_STATE_MODIFY_HDR,
[DR_ACTION_TYP_L2_TO_TNL_L2] = DR_ACTION_STATE_ENCAP,
[DR_ACTION_TYP_L2_TO_TNL_L3] = DR_ACTION_STATE_ENCAP,
[DR_ACTION_TYP_INSERT_HDR] = DR_ACTION_STATE_ENCAP,
[DR_ACTION_TYP_REMOVE_HDR] = DR_ACTION_STATE_DECAP,
[DR_ACTION_TYP_PUSH_VLAN] = DR_ACTION_STATE_PUSH_VLAN,
[DR_ACTION_TYP_POP_VLAN] = DR_ACTION_STATE_POP_VLAN,
[DR_ACTION_TYP_VPORT] = DR_ACTION_STATE_TERM,
},
[DR_ACTION_STATE_DECAP] = {
[DR_ACTION_TYP_DROP] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_FT] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_CTR] = DR_ACTION_STATE_DECAP,
[DR_ACTION_TYP_VPORT] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_SAMPLER] = DR_ACTION_STATE_TERM,
},
[DR_ACTION_STATE_ENCAP] = {
[DR_ACTION_TYP_DROP] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_FT] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_CTR] = DR_ACTION_STATE_ENCAP,
[DR_ACTION_TYP_SAMPLER] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_VPORT] = DR_ACTION_STATE_TERM,
},
[DR_ACTION_STATE_MODIFY_HDR] = {
[DR_ACTION_TYP_DROP] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_FT] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_SAMPLER] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_CTR] = DR_ACTION_STATE_MODIFY_HDR,
[DR_ACTION_TYP_L2_TO_TNL_L2] = DR_ACTION_STATE_ENCAP,
[DR_ACTION_TYP_L2_TO_TNL_L3] = DR_ACTION_STATE_ENCAP,
[DR_ACTION_TYP_INSERT_HDR] = DR_ACTION_STATE_ENCAP,
[DR_ACTION_TYP_PUSH_VLAN] = DR_ACTION_STATE_PUSH_VLAN,
[DR_ACTION_TYP_VPORT] = DR_ACTION_STATE_TERM,
},
[DR_ACTION_STATE_POP_VLAN] = {
[DR_ACTION_TYP_FT] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_SAMPLER] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_CTR] = DR_ACTION_STATE_POP_VLAN,
[DR_ACTION_TYP_POP_VLAN] = DR_ACTION_STATE_POP_VLAN,
[DR_ACTION_TYP_PUSH_VLAN] = DR_ACTION_STATE_PUSH_VLAN,
[DR_ACTION_TYP_MODIFY_HDR] = DR_ACTION_STATE_MODIFY_HDR,
[DR_ACTION_TYP_L2_TO_TNL_L2] = DR_ACTION_STATE_ENCAP,
[DR_ACTION_TYP_L2_TO_TNL_L3] = DR_ACTION_STATE_ENCAP,
[DR_ACTION_TYP_INSERT_HDR] = DR_ACTION_STATE_ENCAP,
[DR_ACTION_TYP_VPORT] = DR_ACTION_STATE_TERM,
},
[DR_ACTION_STATE_PUSH_VLAN] = {
[DR_ACTION_TYP_DROP] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_FT] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_SAMPLER] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_PUSH_VLAN] = DR_ACTION_STATE_PUSH_VLAN,
[DR_ACTION_TYP_CTR] = DR_ACTION_STATE_PUSH_VLAN,
[DR_ACTION_TYP_L2_TO_TNL_L2] = DR_ACTION_STATE_ENCAP,
[DR_ACTION_TYP_L2_TO_TNL_L3] = DR_ACTION_STATE_ENCAP,
[DR_ACTION_TYP_INSERT_HDR] = DR_ACTION_STATE_ENCAP,
[DR_ACTION_TYP_VPORT] = DR_ACTION_STATE_TERM,
},
[DR_ACTION_STATE_NON_TERM] = {
[DR_ACTION_TYP_DROP] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_FT] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_SAMPLER] = DR_ACTION_STATE_TERM,
[DR_ACTION_TYP_CTR] = DR_ACTION_STATE_NON_TERM,
[DR_ACTION_TYP_MODIFY_HDR] = DR_ACTION_STATE_MODIFY_HDR,
[DR_ACTION_TYP_L2_TO_TNL_L2] = DR_ACTION_STATE_ENCAP,
[DR_ACTION_TYP_L2_TO_TNL_L3] = DR_ACTION_STATE_ENCAP,
[DR_ACTION_TYP_INSERT_HDR] = DR_ACTION_STATE_ENCAP,
[DR_ACTION_TYP_REMOVE_HDR] = DR_ACTION_STATE_DECAP,
[DR_ACTION_TYP_PUSH_VLAN] = DR_ACTION_STATE_PUSH_VLAN,
[DR_ACTION_TYP_POP_VLAN] = DR_ACTION_STATE_POP_VLAN,
[DR_ACTION_TYP_VPORT] = DR_ACTION_STATE_TERM,
},
[DR_ACTION_STATE_TERM] = {
[DR_ACTION_TYP_CTR] = DR_ACTION_STATE_TERM,
},
},
};
static int
dr_action_reformat_to_action_type(enum mlx5dr_action_reformat_type reformat_type,
enum mlx5dr_action_type *action_type)
{
switch (reformat_type) {
case DR_ACTION_REFORMAT_TYP_TNL_L2_TO_L2:
*action_type = DR_ACTION_TYP_TNL_L2_TO_L2;
break;
case DR_ACTION_REFORMAT_TYP_L2_TO_TNL_L2:
*action_type = DR_ACTION_TYP_L2_TO_TNL_L2;
break;
case DR_ACTION_REFORMAT_TYP_TNL_L3_TO_L2:
*action_type = DR_ACTION_TYP_TNL_L3_TO_L2;
break;
case DR_ACTION_REFORMAT_TYP_L2_TO_TNL_L3:
*action_type = DR_ACTION_TYP_L2_TO_TNL_L3;
break;
case DR_ACTION_REFORMAT_TYP_INSERT_HDR:
*action_type = DR_ACTION_TYP_INSERT_HDR;
break;
case DR_ACTION_REFORMAT_TYP_REMOVE_HDR:
*action_type = DR_ACTION_TYP_REMOVE_HDR;
break;
default:
return -EINVAL;
}
return 0;
}
/* Apply the actions on the rule STE array starting from the last_ste.
* Actions might require more than one STE, new_num_stes will return
* the new size of the STEs array, rule with actions.
*/
static void dr_actions_apply(struct mlx5dr_domain *dmn,
enum mlx5dr_domain_nic_type nic_type,
u8 *action_type_set,
u8 *last_ste,
struct mlx5dr_ste_actions_attr *attr,
u32 *new_num_stes)
{
struct mlx5dr_ste_ctx *ste_ctx = dmn->ste_ctx;
u32 added_stes = 0;
if (nic_type == DR_DOMAIN_NIC_TYPE_RX)
mlx5dr_ste_set_actions_rx(ste_ctx, dmn, action_type_set,
last_ste, attr, &added_stes);
else
mlx5dr_ste_set_actions_tx(ste_ctx, dmn, action_type_set,
last_ste, attr, &added_stes);
*new_num_stes += added_stes;
}
static enum dr_action_domain
dr_action_get_action_domain(enum mlx5dr_domain_type domain,
enum mlx5dr_domain_nic_type nic_type)
{
switch (domain) {
case MLX5DR_DOMAIN_TYPE_NIC_RX:
return DR_ACTION_DOMAIN_NIC_INGRESS;
case MLX5DR_DOMAIN_TYPE_NIC_TX:
return DR_ACTION_DOMAIN_NIC_EGRESS;
case MLX5DR_DOMAIN_TYPE_FDB:
if (nic_type == DR_DOMAIN_NIC_TYPE_RX)
return DR_ACTION_DOMAIN_FDB_INGRESS;
return DR_ACTION_DOMAIN_FDB_EGRESS;
default:
WARN_ON(true);
return DR_ACTION_DOMAIN_MAX;
}
}
static
int dr_action_validate_and_get_next_state(enum dr_action_domain action_domain,
u32 action_type,
u32 *state)
{
u32 cur_state = *state;
/* Check action state machine is valid */
*state = next_action_state[action_domain][cur_state][action_type];
if (*state == DR_ACTION_STATE_ERR)
return -EOPNOTSUPP;
return 0;
}
static int dr_action_handle_cs_recalc(struct mlx5dr_domain *dmn,
struct mlx5dr_action *dest_action,
u64 *final_icm_addr)
{
int ret;
switch (dest_action->action_type) {
case DR_ACTION_TYP_FT:
/* Allow destination flow table only if table is a terminating
* table, since there is an *assumption* that in such case FW
* will recalculate the CS.
*/
if (dest_action->dest_tbl->is_fw_tbl) {
*final_icm_addr = dest_action->dest_tbl->fw_tbl.rx_icm_addr;
} else {
mlx5dr_dbg(dmn,
"Destination FT should be terminating when modify TTL is used\n");
return -EINVAL;
}
break;
case DR_ACTION_TYP_VPORT:
/* If destination is vport we will get the FW flow table
* that recalculates the CS and forwards to the vport.
*/
ret = mlx5dr_domain_cache_get_recalc_cs_ft_addr(dest_action->vport->dmn,
dest_action->vport->caps->num,
final_icm_addr);
if (ret) {
mlx5dr_err(dmn, "Failed to get FW cs recalc flow table\n");
return ret;
}
break;
default:
break;
}
return 0;
}
static void dr_action_print_sequence(struct mlx5dr_domain *dmn,
struct mlx5dr_action *actions[],
int last_idx)
{
int i;
for (i = 0; i <= last_idx; i++)
mlx5dr_err(dmn, "< %s (%d) > ",
dr_action_id_to_str(actions[i]->action_type),
actions[i]->action_type);
}
#define WITH_VLAN_NUM_HW_ACTIONS 6
int mlx5dr_actions_build_ste_arr(struct mlx5dr_matcher *matcher,
struct mlx5dr_matcher_rx_tx *nic_matcher,
struct mlx5dr_action *actions[],
u32 num_actions,
u8 *ste_arr,
u32 *new_hw_ste_arr_sz)
{
struct mlx5dr_domain_rx_tx *nic_dmn = nic_matcher->nic_tbl->nic_dmn;
bool rx_rule = nic_dmn->type == DR_DOMAIN_NIC_TYPE_RX;
struct mlx5dr_domain *dmn = matcher->tbl->dmn;
u8 action_type_set[DR_ACTION_TYP_MAX] = {};
struct mlx5dr_ste_actions_attr attr = {};
struct mlx5dr_action *dest_action = NULL;
u32 state = DR_ACTION_STATE_NO_ACTION;
enum dr_action_domain action_domain;
bool recalc_cs_required = false;
u8 *last_ste;
int i, ret;
attr.gvmi = dmn->info.caps.gvmi;
attr.hit_gvmi = dmn->info.caps.gvmi;
attr.final_icm_addr = nic_dmn->default_icm_addr;
action_domain = dr_action_get_action_domain(dmn->type, nic_dmn->type);
for (i = 0; i < num_actions; i++) {
struct mlx5dr_action_dest_tbl *dest_tbl;
struct mlx5dr_action *action;
int max_actions_type = 1;
u32 action_type;
action = actions[i];
action_type = action->action_type;
switch (action_type) {
case DR_ACTION_TYP_DROP:
attr.final_icm_addr = nic_dmn->drop_icm_addr;
break;
case DR_ACTION_TYP_FT:
dest_action = action;
dest_tbl = action->dest_tbl;
if (!dest_tbl->is_fw_tbl) {
if (dest_tbl->tbl->dmn != dmn) {
mlx5dr_err(dmn,
"Destination table belongs to a different domain\n");
return -EINVAL;
}
if (dest_tbl->tbl->level <= matcher->tbl->level) {
mlx5_core_dbg_once(dmn->mdev,
"Connecting table to a lower/same level destination table\n");
mlx5dr_dbg(dmn,
"Connecting table at level %d to a destination table at level %d\n",
matcher->tbl->level,
dest_tbl->tbl->level);
}
attr.final_icm_addr = rx_rule ?
dest_tbl->tbl->rx.s_anchor->chunk->icm_addr :
dest_tbl->tbl->tx.s_anchor->chunk->icm_addr;
} else {
struct mlx5dr_cmd_query_flow_table_details output;
int ret;
/* get the relevant addresses */
if (!action->dest_tbl->fw_tbl.rx_icm_addr) {
ret = mlx5dr_cmd_query_flow_table(dmn->mdev,
dest_tbl->fw_tbl.type,
dest_tbl->fw_tbl.id,
&output);
if (!ret) {
dest_tbl->fw_tbl.tx_icm_addr =
output.sw_owner_icm_root_1;
dest_tbl->fw_tbl.rx_icm_addr =
output.sw_owner_icm_root_0;
} else {
mlx5dr_err(dmn,
"Failed mlx5_cmd_query_flow_table ret: %d\n",
ret);
return ret;
}
}
attr.final_icm_addr = rx_rule ?
dest_tbl->fw_tbl.rx_icm_addr :
dest_tbl->fw_tbl.tx_icm_addr;
}
break;
case DR_ACTION_TYP_QP:
mlx5dr_info(dmn, "Domain doesn't support QP\n");
return -EOPNOTSUPP;
case DR_ACTION_TYP_CTR:
attr.ctr_id = action->ctr->ctr_id +
action->ctr->offeset;
break;
case DR_ACTION_TYP_TAG:
attr.flow_tag = action->flow_tag->flow_tag;
break;
case DR_ACTION_TYP_TNL_L2_TO_L2:
break;
case DR_ACTION_TYP_TNL_L3_TO_L2:
attr.decap_index = action->rewrite->index;
attr.decap_actions = action->rewrite->num_of_actions;
attr.decap_with_vlan =
attr.decap_actions == WITH_VLAN_NUM_HW_ACTIONS;
break;
case DR_ACTION_TYP_MODIFY_HDR:
attr.modify_index = action->rewrite->index;
attr.modify_actions = action->rewrite->num_of_actions;
recalc_cs_required = action->rewrite->modify_ttl &&
!mlx5dr_ste_supp_ttl_cs_recalc(&dmn->info.caps);
break;
case DR_ACTION_TYP_L2_TO_TNL_L2:
case DR_ACTION_TYP_L2_TO_TNL_L3:
if (rx_rule &&
!(dmn->ste_ctx->actions_caps & DR_STE_CTX_ACTION_CAP_RX_ENCAP)) {
mlx5dr_info(dmn, "Device doesn't support Encap on RX\n");
return -EOPNOTSUPP;
}
attr.reformat.size = action->reformat->size;
attr.reformat.id = action->reformat->id;
break;
case DR_ACTION_TYP_SAMPLER:
attr.final_icm_addr = rx_rule ? action->sampler->rx_icm_addr :
action->sampler->tx_icm_addr;
break;
case DR_ACTION_TYP_VPORT:
attr.hit_gvmi = action->vport->caps->vhca_gvmi;
dest_action = action;
if (rx_rule) {
if (action->vport->caps->num == WIRE_PORT) {
mlx5dr_dbg(dmn, "Device doesn't support Loopback on WIRE vport\n");
return -EOPNOTSUPP;
}
attr.final_icm_addr = action->vport->caps->icm_address_rx;
} else {
attr.final_icm_addr = action->vport->caps->icm_address_tx;
}
break;
case DR_ACTION_TYP_POP_VLAN:
if (!rx_rule && !(dmn->ste_ctx->actions_caps &
DR_STE_CTX_ACTION_CAP_TX_POP)) {
mlx5dr_dbg(dmn, "Device doesn't support POP VLAN action on TX\n");
return -EOPNOTSUPP;
}
max_actions_type = MLX5DR_MAX_VLANS;
attr.vlans.count++;
break;
case DR_ACTION_TYP_PUSH_VLAN:
if (rx_rule && !(dmn->ste_ctx->actions_caps &
DR_STE_CTX_ACTION_CAP_RX_PUSH)) {
mlx5dr_dbg(dmn, "Device doesn't support PUSH VLAN action on RX\n");
return -EOPNOTSUPP;
}
max_actions_type = MLX5DR_MAX_VLANS;
if (attr.vlans.count == MLX5DR_MAX_VLANS) {
mlx5dr_dbg(dmn, "Max VLAN push/pop count exceeded\n");
return -EINVAL;
}
attr.vlans.headers[attr.vlans.count++] = action->push_vlan->vlan_hdr;
break;
case DR_ACTION_TYP_INSERT_HDR:
case DR_ACTION_TYP_REMOVE_HDR:
attr.reformat.size = action->reformat->size;
attr.reformat.id = action->reformat->id;
attr.reformat.param_0 = action->reformat->param_0;
attr.reformat.param_1 = action->reformat->param_1;
break;
default:
mlx5dr_err(dmn, "Unsupported action type %d\n", action_type);
return -EINVAL;
}
/* Check action duplication */
if (++action_type_set[action_type] > max_actions_type) {
mlx5dr_err(dmn, "Action type %d supports only max %d time(s)\n",
action_type, max_actions_type);
return -EINVAL;
}
/* Check action state machine is valid */
if (dr_action_validate_and_get_next_state(action_domain,
action_type,
&state)) {
mlx5dr_err(dmn, "Invalid action (gvmi: %d, is_rx: %d) sequence provided:",
attr.gvmi, rx_rule);
dr_action_print_sequence(dmn, actions, i);
return -EOPNOTSUPP;
}
}
*new_hw_ste_arr_sz = nic_matcher->num_of_builders;
last_ste = ste_arr + DR_STE_SIZE * (nic_matcher->num_of_builders - 1);
/* Due to a HW bug in some devices, modifying TTL on RX flows will
* cause an incorrect checksum calculation. In this case we will
* use a FW table to recalculate.
*/
if (dmn->type == MLX5DR_DOMAIN_TYPE_FDB &&
rx_rule && recalc_cs_required && dest_action) {
ret = dr_action_handle_cs_recalc(dmn, dest_action, &attr.final_icm_addr);
if (ret) {
mlx5dr_err(dmn,
"Failed to handle checksum recalculation err %d\n",
ret);
return ret;
}
}
dr_actions_apply(dmn,
nic_dmn->type,
action_type_set,
last_ste,
&attr,
new_hw_ste_arr_sz);
return 0;
}
static unsigned int action_size[DR_ACTION_TYP_MAX] = {
[DR_ACTION_TYP_TNL_L2_TO_L2] = sizeof(struct mlx5dr_action_reformat),
[DR_ACTION_TYP_L2_TO_TNL_L2] = sizeof(struct mlx5dr_action_reformat),
[DR_ACTION_TYP_TNL_L3_TO_L2] = sizeof(struct mlx5dr_action_rewrite),
[DR_ACTION_TYP_L2_TO_TNL_L3] = sizeof(struct mlx5dr_action_reformat),
[DR_ACTION_TYP_FT] = sizeof(struct mlx5dr_action_dest_tbl),
[DR_ACTION_TYP_CTR] = sizeof(struct mlx5dr_action_ctr),
[DR_ACTION_TYP_TAG] = sizeof(struct mlx5dr_action_flow_tag),
[DR_ACTION_TYP_MODIFY_HDR] = sizeof(struct mlx5dr_action_rewrite),
[DR_ACTION_TYP_VPORT] = sizeof(struct mlx5dr_action_vport),
[DR_ACTION_TYP_PUSH_VLAN] = sizeof(struct mlx5dr_action_push_vlan),
[DR_ACTION_TYP_INSERT_HDR] = sizeof(struct mlx5dr_action_reformat),
[DR_ACTION_TYP_REMOVE_HDR] = sizeof(struct mlx5dr_action_reformat),
[DR_ACTION_TYP_SAMPLER] = sizeof(struct mlx5dr_action_sampler),
};
static struct mlx5dr_action *
dr_action_create_generic(enum mlx5dr_action_type action_type)
{
struct mlx5dr_action *action;
int extra_size;
if (action_type < DR_ACTION_TYP_MAX)
extra_size = action_size[action_type];
else
return NULL;
action = kzalloc(sizeof(*action) + extra_size, GFP_KERNEL);
if (!action)
return NULL;
action->action_type = action_type;
refcount_set(&action->refcount, 1);
action->data = action + 1;
return action;
}
struct mlx5dr_action *mlx5dr_action_create_drop(void)
{
return dr_action_create_generic(DR_ACTION_TYP_DROP);
}
struct mlx5dr_action *
mlx5dr_action_create_dest_table_num(struct mlx5dr_domain *dmn, u32 table_num)
{
struct mlx5dr_action *action;
action = dr_action_create_generic(DR_ACTION_TYP_FT);
if (!action)
return NULL;
action->dest_tbl->is_fw_tbl = true;
action->dest_tbl->fw_tbl.dmn = dmn;
action->dest_tbl->fw_tbl.id = table_num;
action->dest_tbl->fw_tbl.type = FS_FT_FDB;
refcount_inc(&dmn->refcount);
return action;
}
struct mlx5dr_action *
mlx5dr_action_create_dest_table(struct mlx5dr_table *tbl)
{
struct mlx5dr_action *action;
refcount_inc(&tbl->refcount);
action = dr_action_create_generic(DR_ACTION_TYP_FT);
if (!action)
goto dec_ref;
action->dest_tbl->tbl = tbl;
return action;
dec_ref:
refcount_dec(&tbl->refcount);
return NULL;
}
struct mlx5dr_action *
mlx5dr_action_create_mult_dest_tbl(struct mlx5dr_domain *dmn,
struct mlx5dr_action_dest *dests,
u32 num_of_dests,
bool ignore_flow_level)
{
struct mlx5dr_cmd_flow_destination_hw_info *hw_dests;
struct mlx5dr_action **ref_actions;
struct mlx5dr_action *action;
bool reformat_req = false;
u32 num_of_ref = 0;
int ret;
int i;
if (dmn->type != MLX5DR_DOMAIN_TYPE_FDB) {
mlx5dr_err(dmn, "Multiple destination support is for FDB only\n");
return NULL;
}
hw_dests = kzalloc(sizeof(*hw_dests) * num_of_dests, GFP_KERNEL);
if (!hw_dests)
return NULL;
ref_actions = kzalloc(sizeof(*ref_actions) * num_of_dests * 2, GFP_KERNEL);
if (!ref_actions)
goto free_hw_dests;
for (i = 0; i < num_of_dests; i++) {
struct mlx5dr_action *reformat_action = dests[i].reformat;
struct mlx5dr_action *dest_action = dests[i].dest;
ref_actions[num_of_ref++] = dest_action;
switch (dest_action->action_type) {
case DR_ACTION_TYP_VPORT:
hw_dests[i].vport.flags = MLX5_FLOW_DEST_VPORT_VHCA_ID;
hw_dests[i].type = MLX5_FLOW_DESTINATION_TYPE_VPORT;
hw_dests[i].vport.num = dest_action->vport->caps->num;
hw_dests[i].vport.vhca_id = dest_action->vport->caps->vhca_gvmi;
if (reformat_action) {
reformat_req = true;
hw_dests[i].vport.reformat_id =
reformat_action->reformat->id;
ref_actions[num_of_ref++] = reformat_action;
hw_dests[i].vport.flags |= MLX5_FLOW_DEST_VPORT_REFORMAT_ID;
}
break;
case DR_ACTION_TYP_FT:
hw_dests[i].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE;
if (dest_action->dest_tbl->is_fw_tbl)
hw_dests[i].ft_id = dest_action->dest_tbl->fw_tbl.id;
else
hw_dests[i].ft_id = dest_action->dest_tbl->tbl->table_id;
break;
default:
mlx5dr_dbg(dmn, "Invalid multiple destinations action\n");
goto free_ref_actions;
}
}
action = dr_action_create_generic(DR_ACTION_TYP_FT);
if (!action)
goto free_ref_actions;
ret = mlx5dr_fw_create_md_tbl(dmn,
hw_dests,
num_of_dests,
reformat_req,
&action->dest_tbl->fw_tbl.id,
&action->dest_tbl->fw_tbl.group_id,
ignore_flow_level);
if (ret)
goto free_action;
refcount_inc(&dmn->refcount);
for (i = 0; i < num_of_ref; i++)
refcount_inc(&ref_actions[i]->refcount);
action->dest_tbl->is_fw_tbl = true;
action->dest_tbl->fw_tbl.dmn = dmn;
action->dest_tbl->fw_tbl.type = FS_FT_FDB;
action->dest_tbl->fw_tbl.ref_actions = ref_actions;
action->dest_tbl->fw_tbl.num_of_ref_actions = num_of_ref;
kfree(hw_dests);
return action;
free_action:
kfree(action);
free_ref_actions:
kfree(ref_actions);
free_hw_dests:
kfree(hw_dests);
return NULL;
}
struct mlx5dr_action *
mlx5dr_action_create_dest_flow_fw_table(struct mlx5dr_domain *dmn,
struct mlx5_flow_table *ft)
{
struct mlx5dr_action *action;
action = dr_action_create_generic(DR_ACTION_TYP_FT);
if (!action)
return NULL;
action->dest_tbl->is_fw_tbl = 1;
action->dest_tbl->fw_tbl.type = ft->type;
action->dest_tbl->fw_tbl.id = ft->id;
action->dest_tbl->fw_tbl.dmn = dmn;
refcount_inc(&dmn->refcount);
return action;
}
struct mlx5dr_action *
mlx5dr_action_create_flow_counter(u32 counter_id)
{
struct mlx5dr_action *action;
action = dr_action_create_generic(DR_ACTION_TYP_CTR);
if (!action)
return NULL;
action->ctr->ctr_id = counter_id;
return action;
}
struct mlx5dr_action *mlx5dr_action_create_tag(u32 tag_value)
{
struct mlx5dr_action *action;
action = dr_action_create_generic(DR_ACTION_TYP_TAG);
if (!action)
return NULL;
action->flow_tag->flow_tag = tag_value & 0xffffff;
return action;
}
struct mlx5dr_action *
mlx5dr_action_create_flow_sampler(struct mlx5dr_domain *dmn, u32 sampler_id)
{
struct mlx5dr_action *action;
u64 icm_rx, icm_tx;
int ret;
ret = mlx5dr_cmd_query_flow_sampler(dmn->mdev, sampler_id,
&icm_rx, &icm_tx);
if (ret)
return NULL;
action = dr_action_create_generic(DR_ACTION_TYP_SAMPLER);
if (!action)
return NULL;
action->sampler->dmn = dmn;
action->sampler->sampler_id = sampler_id;
action->sampler->rx_icm_addr = icm_rx;
action->sampler->tx_icm_addr = icm_tx;
refcount_inc(&dmn->refcount);
return action;
}
static int
dr_action_verify_reformat_params(enum mlx5dr_action_type reformat_type,
struct mlx5dr_domain *dmn,
u8 reformat_param_0,
u8 reformat_param_1,
size_t data_sz,
void *data)
{
if (reformat_type == DR_ACTION_TYP_INSERT_HDR) {
if ((!data && data_sz) || (data && !data_sz) ||
MLX5_CAP_GEN_2(dmn->mdev, max_reformat_insert_size) < data_sz ||
MLX5_CAP_GEN_2(dmn->mdev, max_reformat_insert_offset) < reformat_param_1) {
mlx5dr_dbg(dmn, "Invalid reformat parameters for INSERT_HDR\n");
goto out_err;
}
} else if (reformat_type == DR_ACTION_TYP_REMOVE_HDR) {
if (data ||
MLX5_CAP_GEN_2(dmn->mdev, max_reformat_remove_size) < data_sz ||
MLX5_CAP_GEN_2(dmn->mdev, max_reformat_remove_offset) < reformat_param_1) {
mlx5dr_dbg(dmn, "Invalid reformat parameters for REMOVE_HDR\n");
goto out_err;
}
} else if (reformat_param_0 || reformat_param_1 ||
reformat_type > DR_ACTION_TYP_REMOVE_HDR) {
mlx5dr_dbg(dmn, "Invalid reformat parameters\n");
goto out_err;
}
if (dmn->type == MLX5DR_DOMAIN_TYPE_FDB)
return 0;
if (dmn->type == MLX5DR_DOMAIN_TYPE_NIC_RX) {
if (reformat_type != DR_ACTION_TYP_TNL_L2_TO_L2 &&
reformat_type != DR_ACTION_TYP_TNL_L3_TO_L2) {
mlx5dr_dbg(dmn, "Action reformat type not support on RX domain\n");
goto out_err;
}
} else if (dmn->type == MLX5DR_DOMAIN_TYPE_NIC_TX) {
if (reformat_type != DR_ACTION_TYP_L2_TO_TNL_L2 &&
reformat_type != DR_ACTION_TYP_L2_TO_TNL_L3) {
mlx5dr_dbg(dmn, "Action reformat type not support on TX domain\n");
goto out_err;
}
}
return 0;
out_err:
return -EINVAL;
}
#define ACTION_CACHE_LINE_SIZE 64
static int
dr_action_create_reformat_action(struct mlx5dr_domain *dmn,
u8 reformat_param_0, u8 reformat_param_1,
size_t data_sz, void *data,
struct mlx5dr_action *action)
{
u32 reformat_id;
int ret;
switch (action->action_type) {
case DR_ACTION_TYP_L2_TO_TNL_L2:
case DR_ACTION_TYP_L2_TO_TNL_L3:
{
enum mlx5_reformat_ctx_type rt;
if (action->action_type == DR_ACTION_TYP_L2_TO_TNL_L2)
rt = MLX5_REFORMAT_TYPE_L2_TO_L2_TUNNEL;
else
rt = MLX5_REFORMAT_TYPE_L2_TO_L3_TUNNEL;
ret = mlx5dr_cmd_create_reformat_ctx(dmn->mdev, rt, 0, 0,
data_sz, data,
&reformat_id);
if (ret)
return ret;
action->reformat->id = reformat_id;
action->reformat->size = data_sz;
return 0;
}
case DR_ACTION_TYP_TNL_L2_TO_L2:
{
return 0;
}
case DR_ACTION_TYP_TNL_L3_TO_L2:
{
u8 hw_actions[ACTION_CACHE_LINE_SIZE] = {};
int ret;
ret = mlx5dr_ste_set_action_decap_l3_list(dmn->ste_ctx,
data, data_sz,
hw_actions,
ACTION_CACHE_LINE_SIZE,
&action->rewrite->num_of_actions);
if (ret) {
mlx5dr_dbg(dmn, "Failed creating decap l3 action list\n");
return ret;
}
action->rewrite->chunk = mlx5dr_icm_alloc_chunk(dmn->action_icm_pool,
DR_CHUNK_SIZE_8);
if (!action->rewrite->chunk) {
mlx5dr_dbg(dmn, "Failed allocating modify header chunk\n");
return -ENOMEM;
}
action->rewrite->data = (void *)hw_actions;
action->rewrite->index = (action->rewrite->chunk->icm_addr -
dmn->info.caps.hdr_modify_icm_addr) /
ACTION_CACHE_LINE_SIZE;
ret = mlx5dr_send_postsend_action(dmn, action);
if (ret) {
mlx5dr_dbg(dmn, "Writing decap l3 actions to ICM failed\n");
mlx5dr_icm_free_chunk(action->rewrite->chunk);
return ret;
}
return 0;
}
case DR_ACTION_TYP_INSERT_HDR:
ret = mlx5dr_cmd_create_reformat_ctx(dmn->mdev,
MLX5_REFORMAT_TYPE_INSERT_HDR,
reformat_param_0,
reformat_param_1,
data_sz, data,
&reformat_id);
if (ret)
return ret;
action->reformat->id = reformat_id;
action->reformat->size = data_sz;
action->reformat->param_0 = reformat_param_0;
action->reformat->param_1 = reformat_param_1;
return 0;
case DR_ACTION_TYP_REMOVE_HDR:
action->reformat->id = 0;
action->reformat->size = data_sz;
action->reformat->param_0 = reformat_param_0;
action->reformat->param_1 = reformat_param_1;
return 0;
default:
mlx5dr_info(dmn, "Reformat type is not supported %d\n", action->action_type);
return -EINVAL;
}
}
#define CVLAN_ETHERTYPE 0x8100
#define SVLAN_ETHERTYPE 0x88a8
struct mlx5dr_action *mlx5dr_action_create_pop_vlan(void)
{
return dr_action_create_generic(DR_ACTION_TYP_POP_VLAN);
}
struct mlx5dr_action *mlx5dr_action_create_push_vlan(struct mlx5dr_domain *dmn,
__be32 vlan_hdr)
{
u32 vlan_hdr_h = ntohl(vlan_hdr);
u16 ethertype = vlan_hdr_h >> 16;
struct mlx5dr_action *action;
if (ethertype != SVLAN_ETHERTYPE && ethertype != CVLAN_ETHERTYPE) {
mlx5dr_dbg(dmn, "Invalid vlan ethertype\n");
return NULL;
}
action = dr_action_create_generic(DR_ACTION_TYP_PUSH_VLAN);
if (!action)
return NULL;
action->push_vlan->vlan_hdr = vlan_hdr_h;
return action;
}
struct mlx5dr_action *
mlx5dr_action_create_packet_reformat(struct mlx5dr_domain *dmn,
enum mlx5dr_action_reformat_type reformat_type,
u8 reformat_param_0,
u8 reformat_param_1,
size_t data_sz,
void *data)
{
enum mlx5dr_action_type action_type;
struct mlx5dr_action *action;
int ret;
refcount_inc(&dmn->refcount);
/* General checks */
ret = dr_action_reformat_to_action_type(reformat_type, &action_type);
if (ret) {
mlx5dr_dbg(dmn, "Invalid reformat_type provided\n");
goto dec_ref;
}
ret = dr_action_verify_reformat_params(action_type, dmn,
reformat_param_0, reformat_param_1,
data_sz, data);
if (ret)
goto dec_ref;
action = dr_action_create_generic(action_type);
if (!action)
goto dec_ref;
action->reformat->dmn = dmn;
ret = dr_action_create_reformat_action(dmn,
reformat_param_0,
reformat_param_1,
data_sz,
data,
action);
if (ret) {
mlx5dr_dbg(dmn, "Failed creating reformat action %d\n", ret);
goto free_action;
}
return action;
free_action:
kfree(action);
dec_ref:
refcount_dec(&dmn->refcount);
return NULL;
}
static int
dr_action_modify_sw_to_hw_add(struct mlx5dr_domain *dmn,
__be64 *sw_action,
__be64 *hw_action,
const struct mlx5dr_ste_action_modify_field **ret_hw_info)
{
const struct mlx5dr_ste_action_modify_field *hw_action_info;
u8 max_length;
u16 sw_field;
u32 data;
/* Get SW modify action data */
sw_field = MLX5_GET(set_action_in, sw_action, field);
data = MLX5_GET(set_action_in, sw_action, data);
/* Convert SW data to HW modify action format */
hw_action_info = mlx5dr_ste_conv_modify_hdr_sw_field(dmn->ste_ctx, sw_field);
if (!hw_action_info) {
mlx5dr_dbg(dmn, "Modify add action invalid field given\n");
return -EINVAL;
}
max_length = hw_action_info->end - hw_action_info->start + 1;
mlx5dr_ste_set_action_add(dmn->ste_ctx,
hw_action,
hw_action_info->hw_field,
hw_action_info->start,
max_length,
data);
*ret_hw_info = hw_action_info;
return 0;
}
static int
dr_action_modify_sw_to_hw_set(struct mlx5dr_domain *dmn,
__be64 *sw_action,
__be64 *hw_action,
const struct mlx5dr_ste_action_modify_field **ret_hw_info)
{
const struct mlx5dr_ste_action_modify_field *hw_action_info;
u8 offset, length, max_length;
u16 sw_field;
u32 data;
/* Get SW modify action data */
length = MLX5_GET(set_action_in, sw_action, length);
offset = MLX5_GET(set_action_in, sw_action, offset);
sw_field = MLX5_GET(set_action_in, sw_action, field);
data = MLX5_GET(set_action_in, sw_action, data);
/* Convert SW data to HW modify action format */
hw_action_info = mlx5dr_ste_conv_modify_hdr_sw_field(dmn->ste_ctx, sw_field);
if (!hw_action_info) {
mlx5dr_dbg(dmn, "Modify set action invalid field given\n");
return -EINVAL;
}
/* PRM defines that length zero specific length of 32bits */
length = length ? length : 32;
max_length = hw_action_info->end - hw_action_info->start + 1;
if (length + offset > max_length) {
mlx5dr_dbg(dmn, "Modify action length + offset exceeds limit\n");
return -EINVAL;
}
mlx5dr_ste_set_action_set(dmn->ste_ctx,
hw_action,
hw_action_info->hw_field,
hw_action_info->start + offset,
length,
data);
*ret_hw_info = hw_action_info;
return 0;
}
static int
dr_action_modify_sw_to_hw_copy(struct mlx5dr_domain *dmn,
__be64 *sw_action,
__be64 *hw_action,
const struct mlx5dr_ste_action_modify_field **ret_dst_hw_info,
const struct mlx5dr_ste_action_modify_field **ret_src_hw_info)
{
u8 src_offset, dst_offset, src_max_length, dst_max_length, length;
const struct mlx5dr_ste_action_modify_field *hw_dst_action_info;
const struct mlx5dr_ste_action_modify_field *hw_src_action_info;
u16 src_field, dst_field;
/* Get SW modify action data */
src_field = MLX5_GET(copy_action_in, sw_action, src_field);
dst_field = MLX5_GET(copy_action_in, sw_action, dst_field);
src_offset = MLX5_GET(copy_action_in, sw_action, src_offset);
dst_offset = MLX5_GET(copy_action_in, sw_action, dst_offset);
length = MLX5_GET(copy_action_in, sw_action, length);
/* Convert SW data to HW modify action format */
hw_src_action_info = mlx5dr_ste_conv_modify_hdr_sw_field(dmn->ste_ctx, src_field);
hw_dst_action_info = mlx5dr_ste_conv_modify_hdr_sw_field(dmn->ste_ctx, dst_field);
if (!hw_src_action_info || !hw_dst_action_info) {
mlx5dr_dbg(dmn, "Modify copy action invalid field given\n");
return -EINVAL;
}
/* PRM defines that length zero specific length of 32bits */
length = length ? length : 32;
src_max_length = hw_src_action_info->end -
hw_src_action_info->start + 1;
dst_max_length = hw_dst_action_info->end -
hw_dst_action_info->start + 1;
if (length + src_offset > src_max_length ||
length + dst_offset > dst_max_length) {
mlx5dr_dbg(dmn, "Modify action length + offset exceeds limit\n");
return -EINVAL;
}
mlx5dr_ste_set_action_copy(dmn->ste_ctx,
hw_action,
hw_dst_action_info->hw_field,
hw_dst_action_info->start + dst_offset,
length,
hw_src_action_info->hw_field,
hw_src_action_info->start + src_offset);
*ret_dst_hw_info = hw_dst_action_info;
*ret_src_hw_info = hw_src_action_info;
return 0;
}
static int
dr_action_modify_sw_to_hw(struct mlx5dr_domain *dmn,
__be64 *sw_action,
__be64 *hw_action,
const struct mlx5dr_ste_action_modify_field **ret_dst_hw_info,
const struct mlx5dr_ste_action_modify_field **ret_src_hw_info)
{
u8 action;
int ret;
*hw_action = 0;
*ret_src_hw_info = NULL;
/* Get SW modify action type */
action = MLX5_GET(set_action_in, sw_action, action_type);
switch (action) {
case MLX5_ACTION_TYPE_SET:
ret = dr_action_modify_sw_to_hw_set(dmn, sw_action,
hw_action,
ret_dst_hw_info);
break;
case MLX5_ACTION_TYPE_ADD:
ret = dr_action_modify_sw_to_hw_add(dmn, sw_action,
hw_action,
ret_dst_hw_info);
break;
case MLX5_ACTION_TYPE_COPY:
ret = dr_action_modify_sw_to_hw_copy(dmn, sw_action,
hw_action,
ret_dst_hw_info,
ret_src_hw_info);
break;
default:
mlx5dr_info(dmn, "Unsupported action_type for modify action\n");
ret = -EOPNOTSUPP;
}
return ret;
}
static int
dr_action_modify_check_set_field_limitation(struct mlx5dr_action *action,
const __be64 *sw_action)
{
u16 sw_field = MLX5_GET(set_action_in, sw_action, field);
struct mlx5dr_domain *dmn = action->rewrite->dmn;
if (sw_field == MLX5_ACTION_IN_FIELD_METADATA_REG_A) {
action->rewrite->allow_rx = 0;
if (dmn->type != MLX5DR_DOMAIN_TYPE_NIC_TX) {
mlx5dr_dbg(dmn, "Unsupported field %d for RX/FDB set action\n",
sw_field);
return -EINVAL;
}
} else if (sw_field == MLX5_ACTION_IN_FIELD_METADATA_REG_B) {
action->rewrite->allow_tx = 0;
if (dmn->type != MLX5DR_DOMAIN_TYPE_NIC_RX) {
mlx5dr_dbg(dmn, "Unsupported field %d for TX/FDB set action\n",
sw_field);
return -EINVAL;
}
}
if (!action->rewrite->allow_rx && !action->rewrite->allow_tx) {
mlx5dr_dbg(dmn, "Modify SET actions not supported on both RX and TX\n");
return -EINVAL;
}
return 0;
}
static int
dr_action_modify_check_add_field_limitation(struct mlx5dr_action *action,
const __be64 *sw_action)
{
u16 sw_field = MLX5_GET(set_action_in, sw_action, field);
struct mlx5dr_domain *dmn = action->rewrite->dmn;
if (sw_field != MLX5_ACTION_IN_FIELD_OUT_IP_TTL &&
sw_field != MLX5_ACTION_IN_FIELD_OUT_IPV6_HOPLIMIT &&
sw_field != MLX5_ACTION_IN_FIELD_OUT_TCP_SEQ_NUM &&
sw_field != MLX5_ACTION_IN_FIELD_OUT_TCP_ACK_NUM) {
mlx5dr_dbg(dmn, "Unsupported field %d for add action\n",
sw_field);
return -EINVAL;
}
return 0;
}
static int
dr_action_modify_check_copy_field_limitation(struct mlx5dr_action *action,
const __be64 *sw_action)
{
struct mlx5dr_domain *dmn = action->rewrite->dmn;
u16 sw_fields[2];
int i;
sw_fields[0] = MLX5_GET(copy_action_in, sw_action, src_field);
sw_fields[1] = MLX5_GET(copy_action_in, sw_action, dst_field);
for (i = 0; i < 2; i++) {
if (sw_fields[i] == MLX5_ACTION_IN_FIELD_METADATA_REG_A) {
action->rewrite->allow_rx = 0;
if (dmn->type != MLX5DR_DOMAIN_TYPE_NIC_TX) {
mlx5dr_dbg(dmn, "Unsupported field %d for RX/FDB set action\n",
sw_fields[i]);
return -EINVAL;
}
} else if (sw_fields[i] == MLX5_ACTION_IN_FIELD_METADATA_REG_B) {
action->rewrite->allow_tx = 0;
if (dmn->type != MLX5DR_DOMAIN_TYPE_NIC_RX) {
mlx5dr_dbg(dmn, "Unsupported field %d for TX/FDB set action\n",
sw_fields[i]);
return -EINVAL;
}
}
}
if (!action->rewrite->allow_rx && !action->rewrite->allow_tx) {
mlx5dr_dbg(dmn, "Modify copy actions not supported on both RX and TX\n");
return -EINVAL;
}
return 0;
}
static int
dr_action_modify_check_field_limitation(struct mlx5dr_action *action,
const __be64 *sw_action)
{
struct mlx5dr_domain *dmn = action->rewrite->dmn;
u8 action_type;
int ret;
action_type = MLX5_GET(set_action_in, sw_action, action_type);
switch (action_type) {
case MLX5_ACTION_TYPE_SET:
ret = dr_action_modify_check_set_field_limitation(action,
sw_action);
break;
case MLX5_ACTION_TYPE_ADD:
ret = dr_action_modify_check_add_field_limitation(action,
sw_action);
break;
case MLX5_ACTION_TYPE_COPY:
ret = dr_action_modify_check_copy_field_limitation(action,
sw_action);
break;
default:
mlx5dr_info(dmn, "Unsupported action %d modify action\n",
action_type);
ret = -EOPNOTSUPP;
}
return ret;
}
static bool
dr_action_modify_check_is_ttl_modify(const void *sw_action)
{
u16 sw_field = MLX5_GET(set_action_in, sw_action, field);
return sw_field == MLX5_ACTION_IN_FIELD_OUT_IP_TTL;
}
static int dr_actions_convert_modify_header(struct mlx5dr_action *action,
u32 max_hw_actions,
u32 num_sw_actions,
__be64 sw_actions[],
__be64 hw_actions[],
u32 *num_hw_actions,
bool *modify_ttl)
{
const struct mlx5dr_ste_action_modify_field *hw_dst_action_info;
const struct mlx5dr_ste_action_modify_field *hw_src_action_info;
struct mlx5dr_domain *dmn = action->rewrite->dmn;
int ret, i, hw_idx = 0;
__be64 *sw_action;
__be64 hw_action;
u16 hw_field = 0;
u32 l3_type = 0;
u32 l4_type = 0;
*modify_ttl = false;
action->rewrite->allow_rx = 1;
action->rewrite->allow_tx = 1;
for (i = 0; i < num_sw_actions; i++) {
sw_action = &sw_actions[i];
ret = dr_action_modify_check_field_limitation(action,
sw_action);
if (ret)
return ret;
if (!(*modify_ttl))
*modify_ttl = dr_action_modify_check_is_ttl_modify(sw_action);
/* Convert SW action to HW action */
ret = dr_action_modify_sw_to_hw(dmn,
sw_action,
&hw_action,
&hw_dst_action_info,
&hw_src_action_info);
if (ret)
return ret;
/* Due to a HW limitation we cannot modify 2 different L3 types */
if (l3_type && hw_dst_action_info->l3_type &&
hw_dst_action_info->l3_type != l3_type) {
mlx5dr_dbg(dmn, "Action list can't support two different L3 types\n");
return -EINVAL;
}
if (hw_dst_action_info->l3_type)
l3_type = hw_dst_action_info->l3_type;
/* Due to a HW limitation we cannot modify two different L4 types */
if (l4_type && hw_dst_action_info->l4_type &&
hw_dst_action_info->l4_type != l4_type) {
mlx5dr_dbg(dmn, "Action list can't support two different L4 types\n");
return -EINVAL;
}
if (hw_dst_action_info->l4_type)
l4_type = hw_dst_action_info->l4_type;
/* HW reads and executes two actions at once this means we
* need to create a gap if two actions access the same field
*/
if ((hw_idx % 2) && (hw_field == hw_dst_action_info->hw_field ||
(hw_src_action_info &&
hw_field == hw_src_action_info->hw_field))) {
/* Check if after gap insertion the total number of HW
* modify actions doesn't exceeds the limit
*/
hw_idx++;
if ((num_sw_actions + hw_idx - i) >= max_hw_actions) {
mlx5dr_dbg(dmn, "Modify header action number exceeds HW limit\n");
return -EINVAL;
}
}
hw_field = hw_dst_action_info->hw_field;
hw_actions[hw_idx] = hw_action;
hw_idx++;
}
*num_hw_actions = hw_idx;
return 0;
}
static int dr_action_create_modify_action(struct mlx5dr_domain *dmn,
size_t actions_sz,
__be64 actions[],
struct mlx5dr_action *action)
{
struct mlx5dr_icm_chunk *chunk;
u32 max_hw_actions;
u32 num_hw_actions;
u32 num_sw_actions;
__be64 *hw_actions;
bool modify_ttl;
int ret;
num_sw_actions = actions_sz / DR_MODIFY_ACTION_SIZE;
max_hw_actions = mlx5dr_icm_pool_chunk_size_to_entries(DR_CHUNK_SIZE_16);
if (num_sw_actions > max_hw_actions) {
mlx5dr_dbg(dmn, "Max number of actions %d exceeds limit %d\n",
num_sw_actions, max_hw_actions);
return -EINVAL;
}
chunk = mlx5dr_icm_alloc_chunk(dmn->action_icm_pool, DR_CHUNK_SIZE_16);
if (!chunk)
return -ENOMEM;
hw_actions = kcalloc(1, max_hw_actions * DR_MODIFY_ACTION_SIZE, GFP_KERNEL);
if (!hw_actions) {
ret = -ENOMEM;
goto free_chunk;
}
ret = dr_actions_convert_modify_header(action,
max_hw_actions,
num_sw_actions,
actions,
hw_actions,
&num_hw_actions,
&modify_ttl);
if (ret)
goto free_hw_actions;
action->rewrite->chunk = chunk;
action->rewrite->modify_ttl = modify_ttl;
action->rewrite->data = (u8 *)hw_actions;
action->rewrite->num_of_actions = num_hw_actions;
action->rewrite->index = (chunk->icm_addr -
dmn->info.caps.hdr_modify_icm_addr) /
ACTION_CACHE_LINE_SIZE;
ret = mlx5dr_send_postsend_action(dmn, action);
if (ret)
goto free_hw_actions;
return 0;
free_hw_actions:
kfree(hw_actions);
free_chunk:
mlx5dr_icm_free_chunk(chunk);
return ret;
}
struct mlx5dr_action *
mlx5dr_action_create_modify_header(struct mlx5dr_domain *dmn,
u32 flags,
size_t actions_sz,
__be64 actions[])
{
struct mlx5dr_action *action;
int ret = 0;
refcount_inc(&dmn->refcount);
if (actions_sz % DR_MODIFY_ACTION_SIZE) {
mlx5dr_dbg(dmn, "Invalid modify actions size provided\n");
goto dec_ref;
}
action = dr_action_create_generic(DR_ACTION_TYP_MODIFY_HDR);
if (!action)
goto dec_ref;
action->rewrite->dmn = dmn;
ret = dr_action_create_modify_action(dmn,
actions_sz,
actions,
action);
if (ret) {
mlx5dr_dbg(dmn, "Failed creating modify header action %d\n", ret);
goto free_action;
}
return action;
free_action:
kfree(action);
dec_ref:
refcount_dec(&dmn->refcount);
return NULL;
}
struct mlx5dr_action *
mlx5dr_action_create_dest_vport(struct mlx5dr_domain *dmn,
u32 vport, u8 vhca_id_valid,
u16 vhca_id)
{
struct mlx5dr_cmd_vport_cap *vport_cap;
struct mlx5dr_domain *vport_dmn;
struct mlx5dr_action *action;
u8 peer_vport;
peer_vport = vhca_id_valid && (vhca_id != dmn->info.caps.gvmi);
vport_dmn = peer_vport ? dmn->peer_dmn : dmn;
if (!vport_dmn) {
mlx5dr_dbg(dmn, "No peer vport domain for given vhca_id\n");
return NULL;
}
if (vport_dmn->type != MLX5DR_DOMAIN_TYPE_FDB) {
mlx5dr_dbg(dmn, "Domain doesn't support vport actions\n");
return NULL;
}
vport_cap = mlx5dr_get_vport_cap(&vport_dmn->info.caps, vport);
if (!vport_cap) {
mlx5dr_dbg(dmn, "Failed to get vport %d caps\n", vport);
return NULL;
}
action = dr_action_create_generic(DR_ACTION_TYP_VPORT);
if (!action)
return NULL;
action->vport->dmn = vport_dmn;
action->vport->caps = vport_cap;
return action;
}
int mlx5dr_action_destroy(struct mlx5dr_action *action)
{
if (refcount_read(&action->refcount) > 1)
return -EBUSY;
switch (action->action_type) {
case DR_ACTION_TYP_FT:
if (action->dest_tbl->is_fw_tbl)
refcount_dec(&action->dest_tbl->fw_tbl.dmn->refcount);
else
refcount_dec(&action->dest_tbl->tbl->refcount);
if (action->dest_tbl->is_fw_tbl &&
action->dest_tbl->fw_tbl.num_of_ref_actions) {
struct mlx5dr_action **ref_actions;
int i;
ref_actions = action->dest_tbl->fw_tbl.ref_actions;
for (i = 0; i < action->dest_tbl->fw_tbl.num_of_ref_actions; i++)
refcount_dec(&ref_actions[i]->refcount);
kfree(ref_actions);
mlx5dr_fw_destroy_md_tbl(action->dest_tbl->fw_tbl.dmn,
action->dest_tbl->fw_tbl.id,
action->dest_tbl->fw_tbl.group_id);
}
break;
case DR_ACTION_TYP_TNL_L2_TO_L2:
case DR_ACTION_TYP_REMOVE_HDR:
refcount_dec(&action->reformat->dmn->refcount);
break;
case DR_ACTION_TYP_TNL_L3_TO_L2:
mlx5dr_icm_free_chunk(action->rewrite->chunk);
refcount_dec(&action->rewrite->dmn->refcount);
break;
case DR_ACTION_TYP_L2_TO_TNL_L2:
case DR_ACTION_TYP_L2_TO_TNL_L3:
case DR_ACTION_TYP_INSERT_HDR:
mlx5dr_cmd_destroy_reformat_ctx((action->reformat->dmn)->mdev,
action->reformat->id);
refcount_dec(&action->reformat->dmn->refcount);
break;
case DR_ACTION_TYP_MODIFY_HDR:
mlx5dr_icm_free_chunk(action->rewrite->chunk);
kfree(action->rewrite->data);
refcount_dec(&action->rewrite->dmn->refcount);
break;
case DR_ACTION_TYP_SAMPLER:
refcount_dec(&action->sampler->dmn->refcount);
break;
default:
break;
}
kfree(action);
return 0;
}