diff options
author | Vu Pham <vuhuong@mellanox.com> | 2020-03-27 23:12:22 -0700 |
---|---|---|
committer | Saeed Mahameed <saeedm@mellanox.com> | 2020-05-27 18:13:47 -0700 |
commit | 07bab9502641dff9c3c864162270d12c6dd0e834 (patch) | |
tree | f5b3fb980604ff123a795a3cb31f9d1db77d0609 /drivers | |
parent | ea651a86d46895a8b342664db66c3dee3412ad34 (diff) |
net/mlx5: E-Switch, Refactor eswitch ingress acl codes
Restructure the eswitch ingress acl codes into eswitch directory
and different files:
. Acl ingress helper functions to acl_helper.c/h
. Acl ingress functions used in offloads mode to acl_ingress_ofld.c
. Acl ingress functions used in legacy mode to acl_ingress_lgy.c
This patch does not change any functionality.
Signed-off-by: Vu Pham <vuhuong@mellanox.com>
Diffstat (limited to 'drivers')
10 files changed, 619 insertions, 583 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/Makefile b/drivers/net/ethernet/mellanox/mlx5/core/Makefile index ad046b2ea4f9..3934dc258041 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/Makefile +++ b/drivers/net/ethernet/mellanox/mlx5/core/Makefile @@ -47,7 +47,8 @@ mlx5_core-$(CONFIG_MLX5_TC_CT) += en/tc_ct.o mlx5_core-$(CONFIG_MLX5_ESWITCH) += eswitch.o eswitch_offloads.o eswitch_offloads_termtbl.o \ ecpf.o rdma.o mlx5_core-$(CONFIG_MLX5_ESWITCH) += esw/acl/helper.o \ - esw/acl/egress_lgcy.o esw/acl/egress_ofld.o + esw/acl/egress_lgcy.o esw/acl/egress_ofld.o \ + esw/acl/ingress_lgcy.o esw/acl/ingress_ofld.o mlx5_core-$(CONFIG_MLX5_MPFS) += lib/mpfs.o mlx5_core-$(CONFIG_VXLAN) += lib/vxlan.o diff --git a/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/helper.c b/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/helper.c index 8b7996721a7c..22f4c1c28006 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/helper.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/helper.c @@ -140,3 +140,21 @@ void esw_acl_egress_table_destroy(struct mlx5_vport *vport) mlx5_destroy_flow_table(vport->egress.acl); vport->egress.acl = NULL; } + +void esw_acl_ingress_table_destroy(struct mlx5_vport *vport) +{ + if (!vport->ingress.acl) + return; + + mlx5_destroy_flow_table(vport->ingress.acl); + vport->ingress.acl = NULL; +} + +void esw_acl_ingress_allow_rule_destroy(struct mlx5_vport *vport) +{ + if (!vport->ingress.allow_rule) + return; + + mlx5_del_flow_rules(vport->ingress.allow_rule); + vport->ingress.allow_rule = NULL; +} diff --git a/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/helper.h b/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/helper.h index 543372df6196..8dc4cab66a71 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/helper.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/helper.h @@ -19,4 +19,8 @@ void esw_acl_egress_vlan_destroy(struct mlx5_vport *vport); int esw_acl_egress_vlan_grp_create(struct mlx5_eswitch *esw, struct mlx5_vport *vport); void esw_acl_egress_vlan_grp_destroy(struct mlx5_vport *vport); +/* Ingress acl helper functions */ +void esw_acl_ingress_table_destroy(struct mlx5_vport *vport); +void esw_acl_ingress_allow_rule_destroy(struct mlx5_vport *vport); + #endif /* __MLX5_ESWITCH_ACL_HELPER_H__ */ diff --git a/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/ingress_lgcy.c b/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/ingress_lgcy.c new file mode 100644 index 000000000000..9bda4fe2eafa --- /dev/null +++ b/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/ingress_lgcy.c @@ -0,0 +1,279 @@ +// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB +/* Copyright (c) 2020 Mellanox Technologies Inc. All rights reserved. */ + +#include "mlx5_core.h" +#include "eswitch.h" +#include "helper.h" +#include "lgcy.h" + +static void esw_acl_ingress_lgcy_rules_destroy(struct mlx5_vport *vport) +{ + if (vport->ingress.legacy.drop_rule) { + mlx5_del_flow_rules(vport->ingress.legacy.drop_rule); + vport->ingress.legacy.drop_rule = NULL; + } + esw_acl_ingress_allow_rule_destroy(vport); +} + +static int esw_acl_ingress_lgcy_groups_create(struct mlx5_eswitch *esw, + struct mlx5_vport *vport) +{ + int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in); + struct mlx5_core_dev *dev = esw->dev; + struct mlx5_flow_group *g; + void *match_criteria; + u32 *flow_group_in; + int err; + + flow_group_in = kvzalloc(inlen, GFP_KERNEL); + if (!flow_group_in) + return -ENOMEM; + + match_criteria = MLX5_ADDR_OF(create_flow_group_in, flow_group_in, match_criteria); + + MLX5_SET(create_flow_group_in, flow_group_in, match_criteria_enable, + MLX5_MATCH_OUTER_HEADERS); + MLX5_SET_TO_ONES(fte_match_param, match_criteria, outer_headers.cvlan_tag); + MLX5_SET_TO_ONES(fte_match_param, match_criteria, outer_headers.smac_47_16); + MLX5_SET_TO_ONES(fte_match_param, match_criteria, outer_headers.smac_15_0); + MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, 0); + MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, 0); + + g = mlx5_create_flow_group(vport->ingress.acl, flow_group_in); + if (IS_ERR(g)) { + err = PTR_ERR(g); + esw_warn(dev, "vport[%d] ingress create untagged spoofchk flow group, err(%d)\n", + vport->vport, err); + goto spoof_err; + } + vport->ingress.legacy.allow_untagged_spoofchk_grp = g; + + memset(flow_group_in, 0, inlen); + MLX5_SET(create_flow_group_in, flow_group_in, match_criteria_enable, + MLX5_MATCH_OUTER_HEADERS); + MLX5_SET_TO_ONES(fte_match_param, match_criteria, outer_headers.cvlan_tag); + MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, 1); + MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, 1); + + g = mlx5_create_flow_group(vport->ingress.acl, flow_group_in); + if (IS_ERR(g)) { + err = PTR_ERR(g); + esw_warn(dev, "vport[%d] ingress create untagged flow group, err(%d)\n", + vport->vport, err); + goto untagged_err; + } + vport->ingress.legacy.allow_untagged_only_grp = g; + + memset(flow_group_in, 0, inlen); + MLX5_SET(create_flow_group_in, flow_group_in, match_criteria_enable, + MLX5_MATCH_OUTER_HEADERS); + MLX5_SET_TO_ONES(fte_match_param, match_criteria, outer_headers.smac_47_16); + MLX5_SET_TO_ONES(fte_match_param, match_criteria, outer_headers.smac_15_0); + MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, 2); + MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, 2); + + g = mlx5_create_flow_group(vport->ingress.acl, flow_group_in); + if (IS_ERR(g)) { + err = PTR_ERR(g); + esw_warn(dev, "vport[%d] ingress create spoofchk flow group, err(%d)\n", + vport->vport, err); + goto allow_spoof_err; + } + vport->ingress.legacy.allow_spoofchk_only_grp = g; + + memset(flow_group_in, 0, inlen); + MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, 3); + MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, 3); + + g = mlx5_create_flow_group(vport->ingress.acl, flow_group_in); + if (IS_ERR(g)) { + err = PTR_ERR(g); + esw_warn(dev, "vport[%d] ingress create drop flow group, err(%d)\n", + vport->vport, err); + goto drop_err; + } + vport->ingress.legacy.drop_grp = g; + kvfree(flow_group_in); + return 0; + +drop_err: + if (!IS_ERR_OR_NULL(vport->ingress.legacy.allow_spoofchk_only_grp)) { + mlx5_destroy_flow_group(vport->ingress.legacy.allow_spoofchk_only_grp); + vport->ingress.legacy.allow_spoofchk_only_grp = NULL; + } +allow_spoof_err: + if (!IS_ERR_OR_NULL(vport->ingress.legacy.allow_untagged_only_grp)) { + mlx5_destroy_flow_group(vport->ingress.legacy.allow_untagged_only_grp); + vport->ingress.legacy.allow_untagged_only_grp = NULL; + } +untagged_err: + if (!IS_ERR_OR_NULL(vport->ingress.legacy.allow_untagged_spoofchk_grp)) { + mlx5_destroy_flow_group(vport->ingress.legacy.allow_untagged_spoofchk_grp); + vport->ingress.legacy.allow_untagged_spoofchk_grp = NULL; + } +spoof_err: + kvfree(flow_group_in); + return err; +} + +static void esw_acl_ingress_lgcy_groups_destroy(struct mlx5_vport *vport) +{ + if (vport->ingress.legacy.allow_spoofchk_only_grp) { + mlx5_destroy_flow_group(vport->ingress.legacy.allow_spoofchk_only_grp); + vport->ingress.legacy.allow_spoofchk_only_grp = NULL; + } + if (vport->ingress.legacy.allow_untagged_only_grp) { + mlx5_destroy_flow_group(vport->ingress.legacy.allow_untagged_only_grp); + vport->ingress.legacy.allow_untagged_only_grp = NULL; + } + if (vport->ingress.legacy.allow_untagged_spoofchk_grp) { + mlx5_destroy_flow_group(vport->ingress.legacy.allow_untagged_spoofchk_grp); + vport->ingress.legacy.allow_untagged_spoofchk_grp = NULL; + } + if (vport->ingress.legacy.drop_grp) { + mlx5_destroy_flow_group(vport->ingress.legacy.drop_grp); + vport->ingress.legacy.drop_grp = NULL; + } +} + +int esw_acl_ingress_lgcy_setup(struct mlx5_eswitch *esw, + struct mlx5_vport *vport) +{ + struct mlx5_flow_destination drop_ctr_dst = {}; + struct mlx5_flow_destination *dst = NULL; + struct mlx5_flow_act flow_act = {}; + struct mlx5_flow_spec *spec = NULL; + struct mlx5_fc *counter = NULL; + /* The ingress acl table contains 4 groups + * (2 active rules at the same time - + * 1 allow rule from one of the first 3 groups. + * 1 drop rule from the last group): + * 1)Allow untagged traffic with smac=original mac. + * 2)Allow untagged traffic. + * 3)Allow traffic with smac=original mac. + * 4)Drop all other traffic. + */ + int table_size = 4; + int dest_num = 0; + int err = 0; + u8 *smac_v; + + esw_acl_ingress_lgcy_rules_destroy(vport); + + if (MLX5_CAP_ESW_INGRESS_ACL(esw->dev, flow_counter)) { + counter = mlx5_fc_create(esw->dev, false); + if (IS_ERR(counter)) + esw_warn(esw->dev, + "vport[%d] configure ingress drop rule counter failed\n", + vport->vport); + vport->ingress.legacy.drop_counter = counter; + } + + if (!vport->info.vlan && !vport->info.qos && !vport->info.spoofchk) { + esw_acl_ingress_lgcy_cleanup(esw, vport); + return 0; + } + + if (!vport->ingress.acl) { + vport->ingress.acl = esw_acl_table_create(esw, vport->vport, + MLX5_FLOW_NAMESPACE_ESW_INGRESS, + table_size); + if (IS_ERR_OR_NULL(vport->ingress.acl)) { + err = PTR_ERR(vport->ingress.acl); + vport->ingress.acl = NULL; + return err; + } + + err = esw_acl_ingress_lgcy_groups_create(esw, vport); + if (err) + goto out; + } + + esw_debug(esw->dev, + "vport[%d] configure ingress rules, vlan(%d) qos(%d)\n", + vport->vport, vport->info.vlan, vport->info.qos); + + spec = kvzalloc(sizeof(*spec), GFP_KERNEL); + if (!spec) { + err = -ENOMEM; + goto out; + } + + if (vport->info.vlan || vport->info.qos) + MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria, + outer_headers.cvlan_tag); + + if (vport->info.spoofchk) { + MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria, + outer_headers.smac_47_16); + MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria, + outer_headers.smac_15_0); + smac_v = MLX5_ADDR_OF(fte_match_param, + spec->match_value, + outer_headers.smac_47_16); + ether_addr_copy(smac_v, vport->info.mac); + } + + /* Create ingress allow rule */ + memset(spec, 0, sizeof(*spec)); + spec->match_criteria_enable = MLX5_MATCH_OUTER_HEADERS; + flow_act.action = MLX5_FLOW_CONTEXT_ACTION_ALLOW; + vport->ingress.allow_rule = mlx5_add_flow_rules(vport->ingress.acl, spec, + &flow_act, NULL, 0); + if (IS_ERR(vport->ingress.allow_rule)) { + err = PTR_ERR(vport->ingress.allow_rule); + esw_warn(esw->dev, + "vport[%d] configure ingress allow rule, err(%d)\n", + vport->vport, err); + vport->ingress.allow_rule = NULL; + goto out; + } + + memset(&flow_act, 0, sizeof(flow_act)); + flow_act.action = MLX5_FLOW_CONTEXT_ACTION_DROP; + /* Attach drop flow counter */ + if (counter) { + flow_act.action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; + drop_ctr_dst.type = MLX5_FLOW_DESTINATION_TYPE_COUNTER; + drop_ctr_dst.counter_id = mlx5_fc_id(counter); + dst = &drop_ctr_dst; + dest_num++; + } + vport->ingress.legacy.drop_rule = + mlx5_add_flow_rules(vport->ingress.acl, NULL, + &flow_act, dst, dest_num); + if (IS_ERR(vport->ingress.legacy.drop_rule)) { + err = PTR_ERR(vport->ingress.legacy.drop_rule); + esw_warn(esw->dev, + "vport[%d] configure ingress drop rule, err(%d)\n", + vport->vport, err); + vport->ingress.legacy.drop_rule = NULL; + goto out; + } + kvfree(spec); + return 0; + +out: + esw_acl_ingress_lgcy_cleanup(esw, vport); + kvfree(spec); + return err; +} + +void esw_acl_ingress_lgcy_cleanup(struct mlx5_eswitch *esw, + struct mlx5_vport *vport) +{ + if (IS_ERR_OR_NULL(vport->ingress.acl)) + goto clean_drop_counter; + + esw_debug(esw->dev, "Destroy vport[%d] E-Switch ingress ACL\n", vport->vport); + + esw_acl_ingress_lgcy_rules_destroy(vport); + esw_acl_ingress_lgcy_groups_destroy(vport); + esw_acl_ingress_table_destroy(vport); + +clean_drop_counter: + if (!IS_ERR_OR_NULL(vport->ingress.legacy.drop_counter)) { + mlx5_fc_destroy(esw->dev, vport->ingress.legacy.drop_counter); + vport->ingress.legacy.drop_counter = NULL; + } +} diff --git a/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/ingress_ofld.c b/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/ingress_ofld.c new file mode 100644 index 000000000000..1bae549f3fa7 --- /dev/null +++ b/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/ingress_ofld.c @@ -0,0 +1,293 @@ +// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB +/* Copyright (c) 2020 Mellanox Technologies Inc. All rights reserved. */ + +#include "mlx5_core.h" +#include "eswitch.h" +#include "helper.h" +#include "ofld.h" + +static bool +esw_acl_ingress_prio_tag_enabled(const struct mlx5_eswitch *esw, + const struct mlx5_vport *vport) +{ + return (MLX5_CAP_GEN(esw->dev, prio_tag_required) && + mlx5_eswitch_is_vf_vport(esw, vport->vport)); +} + +static int esw_acl_ingress_prio_tag_create(struct mlx5_eswitch *esw, + struct mlx5_vport *vport) +{ + struct mlx5_flow_act flow_act = {}; + struct mlx5_flow_spec *spec; + int err = 0; + + /* For prio tag mode, there is only 1 FTEs: + * 1) Untagged packets - push prio tag VLAN and modify metadata if + * required, allow + * Unmatched traffic is allowed by default + */ + spec = kvzalloc(sizeof(*spec), GFP_KERNEL); + if (!spec) + return -ENOMEM; + + /* Untagged packets - push prio tag VLAN, allow */ + MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria, outer_headers.cvlan_tag); + MLX5_SET(fte_match_param, spec->match_value, outer_headers.cvlan_tag, 0); + spec->match_criteria_enable = MLX5_MATCH_OUTER_HEADERS; + flow_act.action = MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH | + MLX5_FLOW_CONTEXT_ACTION_ALLOW; + flow_act.vlan[0].ethtype = ETH_P_8021Q; + flow_act.vlan[0].vid = 0; + flow_act.vlan[0].prio = 0; + + if (vport->ingress.offloads.modify_metadata_rule) { + flow_act.action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; + flow_act.modify_hdr = vport->ingress.offloads.modify_metadata; + } + + vport->ingress.allow_rule = mlx5_add_flow_rules(vport->ingress.acl, spec, + &flow_act, NULL, 0); + if (IS_ERR(vport->ingress.allow_rule)) { + err = PTR_ERR(vport->ingress.allow_rule); + esw_warn(esw->dev, + "vport[%d] configure ingress untagged allow rule, err(%d)\n", + vport->vport, err); + vport->ingress.allow_rule = NULL; + } + + kvfree(spec); + return err; +} + +static int esw_acl_ingress_mod_metadata_create(struct mlx5_eswitch *esw, + struct mlx5_vport *vport) +{ + u8 action[MLX5_UN_SZ_BYTES(set_add_copy_action_in_auto)] = {}; + struct mlx5_flow_act flow_act = {}; + int err = 0; + u32 key; + + key = mlx5_eswitch_get_vport_metadata_for_match(esw, vport->vport); + key >>= ESW_SOURCE_PORT_METADATA_OFFSET; + + MLX5_SET(set_action_in, action, action_type, MLX5_ACTION_TYPE_SET); + MLX5_SET(set_action_in, action, field, + MLX5_ACTION_IN_FIELD_METADATA_REG_C_0); + MLX5_SET(set_action_in, action, data, key); + MLX5_SET(set_action_in, action, offset, + ESW_SOURCE_PORT_METADATA_OFFSET); + MLX5_SET(set_action_in, action, length, + ESW_SOURCE_PORT_METADATA_BITS); + + vport->ingress.offloads.modify_metadata = + mlx5_modify_header_alloc(esw->dev, MLX5_FLOW_NAMESPACE_ESW_INGRESS, + 1, action); + if (IS_ERR(vport->ingress.offloads.modify_metadata)) { + err = PTR_ERR(vport->ingress.offloads.modify_metadata); + esw_warn(esw->dev, + "failed to alloc modify header for vport %d ingress acl (%d)\n", + vport->vport, err); + return err; + } + + flow_act.action = MLX5_FLOW_CONTEXT_ACTION_MOD_HDR | MLX5_FLOW_CONTEXT_ACTION_ALLOW; + flow_act.modify_hdr = vport->ingress.offloads.modify_metadata; + vport->ingress.offloads.modify_metadata_rule = + mlx5_add_flow_rules(vport->ingress.acl, + NULL, &flow_act, NULL, 0); + if (IS_ERR(vport->ingress.offloads.modify_metadata_rule)) { + err = PTR_ERR(vport->ingress.offloads.modify_metadata_rule); + esw_warn(esw->dev, + "failed to add setting metadata rule for vport %d ingress acl, err(%d)\n", + vport->vport, err); + mlx5_modify_header_dealloc(esw->dev, vport->ingress.offloads.modify_metadata); + vport->ingress.offloads.modify_metadata_rule = NULL; + } + return err; +} + +static void esw_acl_ingress_mod_metadata_destroy(struct mlx5_eswitch *esw, + struct mlx5_vport *vport) +{ + if (!vport->ingress.offloads.modify_metadata_rule) + return; + + mlx5_del_flow_rules(vport->ingress.offloads.modify_metadata_rule); + mlx5_modify_header_dealloc(esw->dev, vport->ingress.offloads.modify_metadata); + vport->ingress.offloads.modify_metadata_rule = NULL; +} + +static int esw_acl_ingress_ofld_rules_create(struct mlx5_eswitch *esw, + struct mlx5_vport *vport) +{ + int err; + + if (mlx5_eswitch_vport_match_metadata_enabled(esw)) { + err = esw_acl_ingress_mod_metadata_create(esw, vport); + if (err) { + esw_warn(esw->dev, + "vport(%d) create ingress modify metadata, err(%d)\n", + vport->vport, err); + return err; + } + } + + if (esw_acl_ingress_prio_tag_enabled(esw, vport)) { + err = esw_acl_ingress_prio_tag_create(esw, vport); + if (err) { + esw_warn(esw->dev, + "vport(%d) create ingress prio tag rule, err(%d)\n", + vport->vport, err); + goto prio_tag_err; + } + } + + return 0; + +prio_tag_err: + esw_acl_ingress_mod_metadata_destroy(esw, vport); + return err; +} + +static void esw_acl_ingress_ofld_rules_destroy(struct mlx5_eswitch *esw, + struct mlx5_vport *vport) +{ + esw_acl_ingress_allow_rule_destroy(vport); + esw_acl_ingress_mod_metadata_destroy(esw, vport); +} + +static int esw_acl_ingress_ofld_groups_create(struct mlx5_eswitch *esw, + struct mlx5_vport *vport) +{ + int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in); + struct mlx5_flow_group *g; + void *match_criteria; + u32 *flow_group_in; + u32 flow_index = 0; + int ret = 0; + + flow_group_in = kvzalloc(inlen, GFP_KERNEL); + if (!flow_group_in) + return -ENOMEM; + + if (esw_acl_ingress_prio_tag_enabled(esw, vport)) { + /* This group is to hold FTE to match untagged packets when prio_tag + * is enabled. + */ + match_criteria = MLX5_ADDR_OF(create_flow_group_in, + flow_group_in, match_criteria); + MLX5_SET(create_flow_group_in, flow_group_in, + match_criteria_enable, MLX5_MATCH_OUTER_HEADERS); + MLX5_SET_TO_ONES(fte_match_param, match_criteria, outer_headers.cvlan_tag); + MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, flow_index); + MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, flow_index); + + g = mlx5_create_flow_group(vport->ingress.acl, flow_group_in); + if (IS_ERR(g)) { + ret = PTR_ERR(g); + esw_warn(esw->dev, "vport[%d] ingress create untagged flow group, err(%d)\n", + vport->vport, ret); + goto prio_tag_err; + } + vport->ingress.offloads.metadata_prio_tag_grp = g; + flow_index++; + } + + if (mlx5_eswitch_vport_match_metadata_enabled(esw)) { + /* This group holds an FTE with no match to add metadata for + * tagged packets if prio-tag is enabled, or for all untagged + * traffic in case prio-tag is disabled. + */ + memset(flow_group_in, 0, inlen); + MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, flow_index); + MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, flow_index); + + g = mlx5_create_flow_group(vport->ingress.acl, flow_group_in); + if (IS_ERR(g)) { + ret = PTR_ERR(g); + esw_warn(esw->dev, "vport[%d] ingress create drop flow group, err(%d)\n", + vport->vport, ret); + goto metadata_err; + } + vport->ingress.offloads.metadata_allmatch_grp = g; + } + + kvfree(flow_group_in); + return 0; + +metadata_err: + if (!IS_ERR_OR_NULL(vport->ingress.offloads.metadata_prio_tag_grp)) { + mlx5_destroy_flow_group(vport->ingress.offloads.metadata_prio_tag_grp); + vport->ingress.offloads.metadata_prio_tag_grp = NULL; + } +prio_tag_err: + kvfree(flow_group_in); + return ret; +} + +static void esw_acl_ingress_ofld_groups_destroy(struct mlx5_vport *vport) +{ + if (vport->ingress.offloads.metadata_allmatch_grp) { + mlx5_destroy_flow_group(vport->ingress.offloads.metadata_allmatch_grp); + vport->ingress.offloads.metadata_allmatch_grp = NULL; + } + + if (vport->ingress.offloads.metadata_prio_tag_grp) { + mlx5_destroy_flow_group(vport->ingress.offloads.metadata_prio_tag_grp); + vport->ingress.offloads.metadata_prio_tag_grp = NULL; + } +} + +int esw_acl_ingress_ofld_setup(struct mlx5_eswitch *esw, + struct mlx5_vport *vport) +{ + int num_ftes = 0; + int err; + + if (!mlx5_eswitch_vport_match_metadata_enabled(esw) && + !esw_acl_ingress_prio_tag_enabled(esw, vport)) + return 0; + + esw_acl_ingress_allow_rule_destroy(vport); + + if (mlx5_eswitch_vport_match_metadata_enabled(esw)) + num_ftes++; + if (esw_acl_ingress_prio_tag_enabled(esw, vport)) + num_ftes++; + + vport->ingress.acl = esw_acl_table_create(esw, vport->vport, + MLX5_FLOW_NAMESPACE_ESW_INGRESS, + num_ftes); + if (IS_ERR_OR_NULL(vport->ingress.acl)) { + err = PTR_ERR(vport->ingress.acl); + vport->ingress.acl = NULL; + return err; + } + + err = esw_acl_ingress_ofld_groups_create(esw, vport); + if (err) + goto group_err; + + esw_debug(esw->dev, + "vport[%d] configure ingress rules\n", vport->vport); + + err = esw_acl_ingress_ofld_rules_create(esw, vport); + if (err) + goto rules_err; + + return 0; + +rules_err: + esw_acl_ingress_ofld_groups_destroy(vport); +group_err: + esw_acl_ingress_table_destroy(vport); + return err; +} + +void esw_acl_ingress_ofld_cleanup(struct mlx5_eswitch *esw, + struct mlx5_vport *vport) +{ + esw_acl_ingress_ofld_rules_destroy(esw, vport); + esw_acl_ingress_ofld_groups_destroy(vport); + esw_acl_ingress_table_destroy(vport); +} diff --git a/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/lgcy.h b/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/lgcy.h index 6b05a3af4462..44c152da3d83 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/lgcy.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/lgcy.h @@ -10,4 +10,8 @@ int esw_acl_egress_lgcy_setup(struct mlx5_eswitch *esw, struct mlx5_vport *vport); void esw_acl_egress_lgcy_cleanup(struct mlx5_eswitch *esw, struct mlx5_vport *vport); +/* Eswitch acl ingress external APIs */ +int esw_acl_ingress_lgcy_setup(struct mlx5_eswitch *esw, struct mlx5_vport *vport); +void esw_acl_ingress_lgcy_cleanup(struct mlx5_eswitch *esw, struct mlx5_vport *vport); + #endif /* __MLX5_ESWITCH_ACL_LGCY_H__ */ diff --git a/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/ofld.h b/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/ofld.h index fc912b254226..9e5e0fac29ef 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/ofld.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/ofld.h @@ -10,4 +10,8 @@ int esw_acl_egress_ofld_setup(struct mlx5_eswitch *esw, struct mlx5_vport *vport); void esw_acl_egress_ofld_cleanup(struct mlx5_vport *vport); +/* Eswitch acl ingress external APIs */ +int esw_acl_ingress_ofld_setup(struct mlx5_eswitch *esw, struct mlx5_vport *vport); +void esw_acl_ingress_ofld_cleanup(struct mlx5_eswitch *esw, struct mlx5_vport *vport); + #endif /* __MLX5_ESWITCH_ACL_OFLD_H__ */ diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c index ae74486b9c9e..20ab13ff2303 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c @@ -937,301 +937,6 @@ static void esw_vport_change_handler(struct work_struct *work) mutex_unlock(&esw->state_lock); } -static int -esw_vport_create_legacy_ingress_acl_groups(struct mlx5_eswitch *esw, - struct mlx5_vport *vport) -{ - int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in); - struct mlx5_core_dev *dev = esw->dev; - struct mlx5_flow_group *g; - void *match_criteria; - u32 *flow_group_in; - int err; - - flow_group_in = kvzalloc(inlen, GFP_KERNEL); - if (!flow_group_in) - return -ENOMEM; - - match_criteria = MLX5_ADDR_OF(create_flow_group_in, flow_group_in, match_criteria); - - MLX5_SET(create_flow_group_in, flow_group_in, match_criteria_enable, MLX5_MATCH_OUTER_HEADERS); - MLX5_SET_TO_ONES(fte_match_param, match_criteria, outer_headers.cvlan_tag); - MLX5_SET_TO_ONES(fte_match_param, match_criteria, outer_headers.smac_47_16); - MLX5_SET_TO_ONES(fte_match_param, match_criteria, outer_headers.smac_15_0); - MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, 0); - MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, 0); - - g = mlx5_create_flow_group(vport->ingress.acl, flow_group_in); - if (IS_ERR(g)) { - err = PTR_ERR(g); - esw_warn(dev, "vport[%d] ingress create untagged spoofchk flow group, err(%d)\n", - vport->vport, err); - goto spoof_err; - } - vport->ingress.legacy.allow_untagged_spoofchk_grp = g; - - memset(flow_group_in, 0, inlen); - MLX5_SET(create_flow_group_in, flow_group_in, match_criteria_enable, MLX5_MATCH_OUTER_HEADERS); - MLX5_SET_TO_ONES(fte_match_param, match_criteria, outer_headers.cvlan_tag); - MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, 1); - MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, 1); - - g = mlx5_create_flow_group(vport->ingress.acl, flow_group_in); - if (IS_ERR(g)) { - err = PTR_ERR(g); - esw_warn(dev, "vport[%d] ingress create untagged flow group, err(%d)\n", - vport->vport, err); - goto untagged_err; - } - vport->ingress.legacy.allow_untagged_only_grp = g; - - memset(flow_group_in, 0, inlen); - MLX5_SET(create_flow_group_in, flow_group_in, match_criteria_enable, MLX5_MATCH_OUTER_HEADERS); - MLX5_SET_TO_ONES(fte_match_param, match_criteria, outer_headers.smac_47_16); - MLX5_SET_TO_ONES(fte_match_param, match_criteria, outer_headers.smac_15_0); - MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, 2); - MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, 2); - - g = mlx5_create_flow_group(vport->ingress.acl, flow_group_in); - if (IS_ERR(g)) { - err = PTR_ERR(g); - esw_warn(dev, "vport[%d] ingress create spoofchk flow group, err(%d)\n", - vport->vport, err); - goto allow_spoof_err; - } - vport->ingress.legacy.allow_spoofchk_only_grp = g; - - memset(flow_group_in, 0, inlen); - MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, 3); - MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, 3); - - g = mlx5_create_flow_group(vport->ingress.acl, flow_group_in); - if (IS_ERR(g)) { - err = PTR_ERR(g); - esw_warn(dev, "vport[%d] ingress create drop flow group, err(%d)\n", - vport->vport, err); - goto drop_err; - } - vport->ingress.legacy.drop_grp = g; - kvfree(flow_group_in); - return 0; - -drop_err: - if (!IS_ERR_OR_NULL(vport->ingress.legacy.allow_spoofchk_only_grp)) { - mlx5_destroy_flow_group(vport->ingress.legacy.allow_spoofchk_only_grp); - vport->ingress.legacy.allow_spoofchk_only_grp = NULL; - } -allow_spoof_err: - if (!IS_ERR_OR_NULL(vport->ingress.legacy.allow_untagged_only_grp)) { - mlx5_destroy_flow_group(vport->ingress.legacy.allow_untagged_only_grp); - vport->ingress.legacy.allow_untagged_only_grp = NULL; - } -untagged_err: - if (!IS_ERR_OR_NULL(vport->ingress.legacy.allow_untagged_spoofchk_grp)) { - mlx5_destroy_flow_group(vport->ingress.legacy.allow_untagged_spoofchk_grp); - vport->ingress.legacy.allow_untagged_spoofchk_grp = NULL; - } -spoof_err: - kvfree(flow_group_in); - return err; -} - -int esw_vport_create_ingress_acl_table(struct mlx5_eswitch *esw, - struct mlx5_vport *vport, int table_size) -{ - struct mlx5_core_dev *dev = esw->dev; - struct mlx5_flow_namespace *root_ns; - struct mlx5_flow_table *acl; - int vport_index; - int err; - - if (!MLX5_CAP_ESW_INGRESS_ACL(dev, ft_support)) - return -EOPNOTSUPP; - - esw_debug(dev, "Create vport[%d] ingress ACL log_max_size(%d)\n", - vport->vport, MLX5_CAP_ESW_INGRESS_ACL(dev, log_max_ft_size)); - - vport_index = mlx5_eswitch_vport_num_to_index(esw, vport->vport); - root_ns = mlx5_get_flow_vport_acl_namespace(dev, MLX5_FLOW_NAMESPACE_ESW_INGRESS, - vport_index); - if (!root_ns) { - esw_warn(dev, "Failed to get E-Switch ingress flow namespace for vport (%d)\n", - vport->vport); - return -EOPNOTSUPP; - } - - acl = mlx5_create_vport_flow_table(root_ns, 0, table_size, 0, vport->vport); - if (IS_ERR(acl)) { - err = PTR_ERR(acl); - esw_warn(dev, "vport[%d] ingress create flow Table, err(%d)\n", - vport->vport, err); - return err; - } - vport->ingress.acl = acl; - return 0; -} - -void esw_vport_destroy_ingress_acl_table(struct mlx5_vport *vport) -{ - if (!vport->ingress.acl) - return; - - mlx5_destroy_flow_table(vport->ingress.acl); - vport->ingress.acl = NULL; -} - -void esw_vport_cleanup_ingress_rules(struct mlx5_eswitch *esw, - struct mlx5_vport *vport) -{ - if (vport->ingress.legacy.drop_rule) { - mlx5_del_flow_rules(vport->ingress.legacy.drop_rule); - vport->ingress.legacy.drop_rule = NULL; - } - - if (vport->ingress.allow_rule) { - mlx5_del_flow_rules(vport->ingress.allow_rule); - vport->ingress.allow_rule = NULL; - } -} - -static void esw_vport_disable_legacy_ingress_acl(struct mlx5_eswitch *esw, - struct mlx5_vport *vport) -{ - if (!vport->ingress.acl) - return; - - esw_debug(esw->dev, "Destroy vport[%d] E-Switch ingress ACL\n", vport->vport); - - esw_vport_cleanup_ingress_rules(esw, vport); - if (vport->ingress.legacy.allow_spoofchk_only_grp) { - mlx5_destroy_flow_group(vport->ingress.legacy.allow_spoofchk_only_grp); - vport->ingress.legacy.allow_spoofchk_only_grp = NULL; - } - if (vport->ingress.legacy.allow_untagged_only_grp) { - mlx5_destroy_flow_group(vport->ingress.legacy.allow_untagged_only_grp); - vport->ingress.legacy.allow_untagged_only_grp = NULL; - } - if (vport->ingress.legacy.allow_untagged_spoofchk_grp) { - mlx5_destroy_flow_group(vport->ingress.legacy.allow_untagged_spoofchk_grp); - vport->ingress.legacy.allow_untagged_spoofchk_grp = NULL; - } - if (vport->ingress.legacy.drop_grp) { - mlx5_destroy_flow_group(vport->ingress.legacy.drop_grp); - vport->ingress.legacy.drop_grp = NULL; - } - esw_vport_destroy_ingress_acl_table(vport); -} - -static int esw_vport_ingress_config(struct mlx5_eswitch *esw, - struct mlx5_vport *vport) -{ - struct mlx5_fc *counter = vport->ingress.legacy.drop_counter; - struct mlx5_flow_destination drop_ctr_dst = {0}; - struct mlx5_flow_destination *dst = NULL; - struct mlx5_flow_act flow_act = {0}; - struct mlx5_flow_spec *spec = NULL; - int dest_num = 0; - int err = 0; - u8 *smac_v; - - /* The ingress acl table contains 4 groups - * (2 active rules at the same time - - * 1 allow rule from one of the first 3 groups. - * 1 drop rule from the last group): - * 1)Allow untagged traffic with smac=original mac. - * 2)Allow untagged traffic. - * 3)Allow traffic with smac=original mac. - * 4)Drop all other traffic. - */ - int table_size = 4; - - esw_vport_cleanup_ingress_rules(esw, vport); - - if (!vport->info.vlan && !vport->info.qos && !vport->info.spoofchk) { - esw_vport_disable_legacy_ingress_acl(esw, vport); - return 0; - } - - if (!vport->ingress.acl) { - err = esw_vport_create_ingress_acl_table(esw, vport, table_size); - if (err) { - esw_warn(esw->dev, - "vport[%d] enable ingress acl err (%d)\n", - err, vport->vport); - return err; - } - - err = esw_vport_create_legacy_ingress_acl_groups(esw, vport); - if (err) - goto out; - } - - esw_debug(esw->dev, - "vport[%d] configure ingress rules, vlan(%d) qos(%d)\n", - vport->vport, vport->info.vlan, vport->info.qos); - - spec = kvzalloc(sizeof(*spec), GFP_KERNEL); - if (!spec) { - err = -ENOMEM; - goto out; - } - - if (vport->info.vlan || vport->info.qos) - MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria, outer_headers.cvlan_tag); - - if (vport->info.spoofchk) { - MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria, outer_headers.smac_47_16); - MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria, outer_headers.smac_15_0); - smac_v = MLX5_ADDR_OF(fte_match_param, - spec->match_value, - outer_headers.smac_47_16); - ether_addr_copy(smac_v, vport->info.mac); - } - - spec->match_criteria_enable = MLX5_MATCH_OUTER_HEADERS; - flow_act.action = MLX5_FLOW_CONTEXT_ACTION_ALLOW; - vport->ingress.allow_rule = - mlx5_add_flow_rules(vport->ingress.acl, spec, - &flow_act, NULL, 0); |