#include <linux/build_bug.h>
#include <linux/list.h>
#include <linux/notifier.h>
#include <net/netevent.h>
#include <net/switchdev.h>
#include "lib/devcom.h"
#include "bridge.h"
#include "eswitch.h"
#include "bridge_priv.h"
#define CREATE_TRACE_POINTS
#include "diag/bridge_tracepoint.h"
static const struct rhashtable_params fdb_ht_params = {
.key_offset = offsetof(struct mlx5_esw_bridge_fdb_entry, key),
.key_len = sizeof(struct mlx5_esw_bridge_fdb_key),
.head_offset = offsetof(struct mlx5_esw_bridge_fdb_entry, ht_node),
.automatic_shrinking = true,
};
static void
mlx5_esw_bridge_fdb_offload_notify(struct net_device *dev, const unsigned char *addr, u16 vid,
unsigned long val)
{
struct switchdev_notifier_fdb_info send_info = {};
send_info.addr = addr;
send_info.vid = vid;
send_info.offloaded = true;
call_switchdev_notifiers(val, dev, &send_info.info, NULL);
}
static void
mlx5_esw_bridge_fdb_del_notify(struct mlx5_esw_bridge_fdb_entry *entry)
{
if (!(entry->flags & (MLX5_ESW_BRIDGE_FLAG_ADDED_BY_USER | MLX5_ESW_BRIDGE_FLAG_PEER)))
mlx5_esw_bridge_fdb_offload_notify(entry->dev, entry->key.addr,
entry->key.vid,
SWITCHDEV_FDB_DEL_TO_BRIDGE);
}
static bool mlx5_esw_bridge_pkt_reformat_vlan_pop_supported(struct mlx5_eswitch *esw)
{
return BIT(MLX5_CAP_ESW_FLOWTABLE_FDB(esw->dev, reformat_remove)) &&
MLX5_CAP_GEN_2(esw->dev, max_reformat_remove_size) >= sizeof(struct vlan_hdr) &&
MLX5_CAP_GEN_2(esw->dev, max_reformat_remove_offset) >=
offsetof(struct vlan_ethhdr, h_vlan_proto);
}
static struct mlx5_pkt_reformat *
mlx5_esw_bridge_pkt_reformat_vlan_pop_create(struct mlx5_eswitch *esw)
{
struct mlx5_pkt_reformat_params reformat_params = {};
reformat_params.type = MLX5_REFORMAT_TYPE_REMOVE_HDR;
reformat_params.param_0 = MLX5_REFORMAT_CONTEXT_ANCHOR_MAC_START;
reformat_params.param_1 = offsetof(struct vlan_ethhdr, h_vlan_proto);
reformat_params.size = sizeof(struct vlan_hdr);
return mlx5_packet_reformat_alloc(esw->dev, &reformat_params, MLX5_FLOW_NAMESPACE_FDB);
}
struct mlx5_flow_table *
mlx5_esw_bridge_table_create(int max_fte, u32 level, struct mlx5_eswitch *esw)
{
struct mlx5_flow_table_attr ft_attr = {};
struct mlx5_core_dev *dev = esw->dev;
struct mlx5_flow_namespace *ns;
struct mlx5_flow_table *fdb;
ns = mlx5_get_flow_namespace(dev, MLX5_FLOW_NAMESPACE_FDB);
if (!ns) {
esw_warn(dev, "Failed to get FDB namespace\n");
return ERR_PTR(-ENOENT);
}
ft_attr.flags = MLX5_FLOW_TABLE_TUNNEL_EN_REFORMAT;
ft_attr.max_fte = max_fte;
ft_attr.level = level;
ft_attr.prio = FDB_BR_OFFLOAD;
fdb = mlx5_create_flow_table(ns, &ft_attr);
if (IS_ERR(fdb))
esw_warn(dev, "Failed to create bridge FDB Table (err=%pe)\n",
fdb);
return fdb;
}
static struct mlx5_flow_group *
mlx5_esw_bridge_ingress_vlan_proto_fg_create(unsigned int from, unsigned int to, u16 vlan_proto,
struct mlx5_eswitch *esw,
struct mlx5_flow_table *ingress_ft)
{
int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in);
struct mlx5_flow_group *fg;
u32 *in, *match;
in = kvzalloc(inlen, GFP_KERNEL);
if (!in)
return ERR_PTR(-ENOMEM);
MLX5_SET(create_flow_group_in, in, match_criteria_enable,
MLX5_MATCH_OUTER_HEADERS | MLX5_MATCH_MISC_PARAMETERS_2);
match = MLX5_ADDR_OF(create_flow_group_in, in, match_criteria);
MLX5_SET_TO_ONES(fte_match_param, match, outer_headers.smac_47_16);
MLX5_SET_TO_ONES(fte_match_param, match, outer_headers.smac_15_0);
if (vlan_proto == ETH_P_8021Q)
MLX5_SET_TO_ONES(fte_match_param, match, outer_headers.cvlan_tag);
else if (vlan_proto == ETH_P_8021AD)
MLX5_SET_TO_ONES(fte_match_param, match, outer_headers.svlan_tag);
MLX5_SET_TO_ONES(fte_match_param, match, outer_headers.first_vid);
MLX5_SET(fte_match_param, match, misc_parameters_2.metadata_reg_c_0,
mlx5_eswitch_get_vport_metadata_mask());
MLX5_SET(create_flow_group_in, in, start_flow_index, from);
MLX5_SET(create_flow_group_in, in, end_flow_index, to);
fg = mlx5_create_flow_group(ingress_ft, in);
kvfree(in);
if (IS_ERR(fg))
esw_warn(esw->dev,
"Failed to create VLAN(proto=%x) flow group for bridge ingress table (err=%pe)\n",
vlan_proto, fg);
return fg;
}
static struct mlx5_flow_group *
mlx5_esw_bridge_ingress_vlan_fg_create(struct mlx5_eswitch *esw,
struct mlx5_flow_table *ingress_ft)
{
unsigned int from = MLX5_ESW_BRIDGE_INGRESS_TABLE_VLAN_GRP_IDX_FROM;
unsigned int to = MLX5_ESW_BRIDGE_INGRESS_TABLE_VLAN_GRP_IDX_TO;
return mlx5_esw_bridge_ingress_vlan_proto_fg_create(from, to, ETH_P_8021Q, esw, ingress_ft);
}
static struct mlx5_flow_group *
mlx5_esw_bridge_ingress_qinq_fg_create(struct mlx5_eswitch *esw,
struct mlx5_flow_table *ingress_ft)
{
unsigned int from = MLX5_ESW_BRIDGE_INGRESS_TABLE_QINQ_GRP_IDX_FROM;
unsigned int to = MLX5_ESW_BRIDGE_INGRESS_TABLE_QINQ_GRP_IDX_TO;
return mlx5_esw_bridge_ingress_vlan_proto_fg_create(from, to, ETH_P_8021AD, esw,
ingress_ft);
}
static struct mlx5_flow_group *
mlx5_esw_bridge_ingress_vlan_proto_filter_fg_create(unsigned int from, unsigned int to,
u16 vlan_proto, struct mlx5_eswitch *esw,
struct mlx5_flow_table *ingress_ft)
{
int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in);
struct mlx5_flow_group *fg;
u32 *in, *match;
in = kvzalloc(inlen, GFP_KERNEL);
if (!in)
return ERR_PTR(-ENOMEM);
MLX5_SET(create_flow_group_in, in, match_criteria_enable,
MLX5_MATCH_OUTER_HEADERS | MLX5_MATCH_MISC_PARAMETERS_2);
match = MLX5_ADDR_OF(create_flow_group_in, in, match_criteria);
MLX5_SET_TO_ONES(fte_match_param, match, outer_headers.smac_47_16);
MLX5_SET_TO_ONES(fte_match_param, match, outer_headers.smac_15_0);
if (vlan_proto == ETH_P_8021Q)
MLX5_SET_TO_ONES(fte_match_param, match, outer_headers.cvlan_tag);
else if (vlan_proto == ETH_P_8021AD)
MLX5_SET_TO_ONES(fte_match_param, match, outer_headers.svlan_tag);
MLX5_SET(fte_match_param, match, misc_parameters_2.metadata_reg_c_0,
mlx5_eswitch_get_vport_metadata_mask());
MLX5_SET(create_flow_group_in, in, start_flow_index, from);
MLX5_SET(create_flow_group_in, in, end_flow_index, to);
fg = mlx5_create_flow_group(ingress_ft, in);
if (IS_ERR(fg))
esw_warn(esw->dev,
"Failed to create bridge ingress table VLAN filter flow group (err=%pe)\n",
fg);
kvfree(in);
return fg;
}
static struct mlx5_flow_group *
mlx5_esw_bridge_ingress_vlan_filter_fg_create(struct mlx5_eswitch *esw,
struct mlx5_flow_table *ingress_ft)
{
unsigned int from = MLX5_ESW_BRIDGE_INGRESS_TABLE_VLAN_FILTER_GRP_IDX_FROM;
unsigned int to = MLX5_ESW_BRIDGE_INGRESS_TABLE_VLAN_FILTER_GRP_IDX_TO;
return mlx5_esw_bridge_ingress_vlan_proto_filter_fg_create(from, to, ETH_P_8021Q, esw,
ingress_ft);
}
static struct mlx5_flow_group *
mlx5_esw_bridge_ingress_qinq_filter_fg_create(struct mlx5_eswitch *esw,
struct mlx5_flow_table *ingress_ft)
{
unsigned int from = MLX5_ESW_BRIDGE_INGRESS_TABLE_QINQ_FILTER_GRP_IDX_FROM;
unsigned int to = MLX5_ESW_BRIDGE_INGRESS_TABLE_QINQ_FILTER_GRP_IDX_TO;
return mlx5_esw_bridge_ingress_vlan_proto_filter_fg_create(from, to, ETH_P_8021AD, esw,
ingress_ft);
}
static struct mlx5_flow_group *
mlx5_esw_bridge_ingress_mac_fg_create(struct mlx5_eswitch *esw, struct mlx5_flow_table *ingress_ft)
{
int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in);
struct mlx5_flow_group *fg;
u32 *in, *match;
in = kvzalloc(inlen, GFP_KERNEL);
if (!in)
return ERR_PTR(-ENOMEM);
MLX5_SET(create_flow_group_in, in, match_criteria_enable,
MLX5_MATCH_OUTER_HEADERS | MLX5_MATCH_MISC_PARAMETERS_2);
match = MLX5_ADDR_OF(create_flow_group_in, in, match_criteria);
MLX5_SET_TO_ONES(fte_match_param, match, outer_headers.smac_47_16);
MLX5_SET_TO_ONES(fte_match_param, match, outer_headers.smac_15_0);
MLX5_SET(fte_match_param, match, misc_parameters_2.metadata_reg_c_0,
mlx5_eswitch_get_vport_metadata_mask());
MLX5_SET(create_flow_group_in, in, start_flow_index,
MLX5_ESW_BRIDGE_INGRESS_TABLE_MAC_GRP_IDX_FROM);
MLX5_SET(create_flow_group_in, in, end_flow_index,
MLX5_ESW_BRIDGE_INGRESS_TABLE_MAC_GRP_IDX_TO);
fg = mlx5_create_flow_group(ingress_ft, in);
if (IS_ERR(fg))
esw_warn(esw->dev,
"Failed to create MAC flow group for bridge ingress table (err=%pe)\n",
fg);
kvfree(in);
return fg;
}
static struct mlx5_flow_group *
mlx5_esw_bridge_egress_vlan_proto_fg_create(unsigned int from, unsigned int to, u16 vlan_proto,
struct mlx5_eswitch *esw,
struct mlx5_flow_table *egress_ft)
{
int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in);
struct mlx5_flow_group *fg;
u32 *in, *match;
in = kvzalloc(inlen, GFP_KERNEL);
if (!in)
return ERR_PTR(-ENOMEM);
MLX5_SET(create_flow_group_in, in, match_criteria_enable, MLX5_MATCH_OUTER_HEADERS);
match = MLX5_ADDR_OF(create_flow_group_in, in, match_criteria);
MLX5_SET_TO_ONES(fte_match_param, match, outer_headers.dmac_47_16);
MLX5_SET_TO_ONES(fte_match_param, match, outer_headers.dmac_15_0);
if (vlan_proto == ETH_P_8021Q)
MLX5_SET_TO_ONES(fte_match_param, match, outer_headers.cvlan_tag);
else if (vlan_proto == ETH_P_8021AD)
MLX5_SET_TO_ONES(fte_match_param, match, outer_headers.svlan_tag);
MLX5_SET_TO_ONES(fte_match_param, match, outer_headers.first_vid);
MLX5_SET(create_flow_group_in, in, start_flow_index, from);
MLX5_SET(create_flow_group_in, in, end_flow_index, to);
fg = mlx5_create_flow_group(egress_ft, in);
if (IS_ERR(fg))
esw_warn(esw->dev,
"Failed to create VLAN flow group for bridge egress table (err=%pe)\n",
fg);
kvfree(in);
return fg;
}
static struct mlx5_flow_group *
mlx5_esw_bridge_egress_vlan_fg_create(struct mlx5_eswitch *esw, struct mlx5_flow_table *egress_ft)
{
unsigned int from = MLX5_ESW_BRIDGE_EGRESS_TABLE_VLAN_GRP_IDX_FROM;
unsigned int to = MLX5_ESW_BRIDGE_EGRESS_TABLE_VLAN_GRP_IDX_TO;
return mlx5_esw_bridge_egress_vlan_proto_fg_create(from, to, ETH_P_8021Q, esw, egress_ft);
}
static struct mlx5_flow_group *
mlx5_esw_bridge_egress_qinq_fg_create(struct mlx5_eswitch *esw,
struct mlx5_flow_table *egress_ft)
{
unsigned int from = MLX5_ESW_BRIDGE_EGRESS_TABLE_QINQ_GRP_IDX_FROM;
unsigned int to = MLX5_ESW_BRIDGE_EGRESS_TABLE_QINQ_GRP_IDX_TO;
return mlx5_esw_bridge_egress_vlan_proto_fg_create(from, to, ETH_P_8021AD, esw, egress_ft);
}
static struct mlx5_flow_group *
mlx5_esw_bridge_egress_mac_fg_create(struct mlx5_eswitch *esw, struct mlx5_flow_table *egress_ft)
{
int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in);
struct mlx5_flow_group *fg;
u32 *in, *match;
in = kvzalloc(inlen, GFP_KERNEL);
if (!in)
return ERR_PTR(-ENOMEM);
MLX5_SET(create_flow_group_in, in, match_criteria_enable, MLX5_MATCH_OUTER_HEADERS);
match = MLX5_ADDR_OF(create_flow_group_in, in, match_criteria);
MLX5_SET_TO_ONES(fte_match_param, match, outer_headers.dmac_47_16);
MLX5_SET_TO_ONES(fte_match_param, match, outer_headers.dmac_15_0);
MLX5_SET(create_flow_group_in, in, start_flow_index,
MLX5_ESW_BRIDGE_EGRESS_TABLE_MAC_GRP_IDX_FROM);
MLX5_SET(create_flow_group_in, in, end_flow_index,
MLX5_ESW_BRIDGE_EGRESS_TABLE_MAC_GRP_IDX_TO);
fg = mlx5_create_flow_group(egress_ft, in);
if (IS_ERR(fg))
esw_warn(esw->dev,
"Failed to create bridge egress table MAC flow group (err=%pe)\n",
fg);
kvfree(in);
return fg;
}
static struct mlx5_flow_group *
mlx5_esw_bridge_egress_miss_fg_create(struct mlx5_eswitch *esw, struct mlx5_flow_table *egress_ft)
{
int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in);
struct mlx5_flow_group *fg;
u32 *in, *match;
in = kvzalloc(inlen, GFP_KERNEL);
if (!in)
return ERR_PTR(-ENOMEM);
MLX5_SET(create_flow_group_in, in, match_criteria_enable, MLX5_MATCH_MISC_PARAMETERS_2);
match = MLX5_ADDR_OF(create_flow_group_in, in, match_criteria);
MLX5_SET(fte_match_param, match, misc_parameters_2.metadata_reg_c_1, ESW_TUN_MASK);
MLX5_SET(create_flow_group_in, in, start_flow_index,
MLX5_ESW_BRIDGE_EGRESS_TABLE_MISS_GRP_IDX_FROM);
MLX5_SET(create_flow_group_in, in, end_flow_index,
MLX5_ESW_BRIDGE_EGRESS_TABLE_MISS_GRP_IDX_TO);
fg = mlx5_create_flow_group(egress_ft, in);
if (IS_ERR(fg))
esw_warn(esw->dev,
"Failed to create bridge egress table miss flow group (err=%pe)\n",
fg);
kvfree(in);
return fg;
}
static int
mlx5_esw_bridge_ingress_table_init(struct mlx5_esw_bridge_offloads *br_offloads)
{
struct mlx5_flow_group *mac_fg, *qinq_filter_fg, *qinq_fg, *vlan_filter_fg, *vlan_fg;
struct mlx5_flow_table *ingress_ft, *skip_ft;
struct mlx5_eswitch *esw = br_offloads->esw;
int err;
if (!mlx5_eswitch_vport_match_metadata_enabled(esw))
return -EOPNOTSUPP;
ingress_ft = mlx5_esw_bridge_table_create(MLX5_ESW_BRIDGE_INGRESS_TABLE_SIZE,
MLX5_ESW_BRIDGE_LEVEL_INGRESS_TABLE,
esw);
if (IS_ERR(ingress_ft))
return PTR_ERR(ingress_ft);
skip_ft = mlx5_esw_bridge_table_create(MLX5_ESW_BRIDGE_SKIP_TABLE_SIZE,
MLX5_ESW_BRIDGE_LEVEL_SKIP_TABLE,
esw);
if (IS_ERR(skip_ft)) {
err = PTR_ERR(skip_ft);
goto err_skip_tbl;
}
vlan_fg = mlx5_esw_bridge_ingress_vlan_fg_create(esw, ingress_ft);
if (IS_ERR(vlan_fg)) {
err = PTR_ERR(vlan_fg);
goto err_vlan_fg;
}
vlan_filter_fg = mlx5_esw_bridge_ingress_vlan_filter_fg_create(esw, ingress_ft);
if (IS_ERR(vlan_filter_fg)) {
err = PTR_ERR(vlan_filter_fg);
goto err_vlan_filter_fg;
}
qinq_fg = mlx5_esw_bridge_ingress_qinq_fg_create(esw, ingress_ft);
if (IS_ERR(qinq_fg)) {
err = PTR_ERR(qinq_fg);
goto err_qinq_fg;
}
qinq_filter_fg = mlx5_esw_bridge_ingress_qinq_filter_fg_create(esw, ingress_ft);
if (IS_ERR(qinq_filter_fg)) {
err = PTR_ERR(qinq_filter_fg);
goto err_qinq_filter_fg;
}
mac_fg = mlx5_esw_bridge_ingress_mac_fg_create(esw, ingress_ft);
if (IS_ERR(mac_fg)) {
err = PTR_ERR(mac_fg);
goto err_mac_fg;
}
br_offloads->ingress_ft = ingress_ft;
br_offloads->skip_ft = skip_ft;
br_offloads->ingress_vlan_fg = vlan_fg;
br_offloads->ingress_vlan_filter_fg = vlan_filter_fg;
br_offloads->ingress_qinq_fg = qinq_fg;
br_offloads->ingress_qinq_filter_fg = qinq_filter_fg;
br_offloads->ingress_mac_fg = mac_fg;
return 0;
err_mac_fg:
mlx5_destroy_flow_group(qinq_filter_fg);
err_qinq_filter_fg:
mlx5_destroy_flow_group(qinq_fg);
err_qinq_fg:
mlx5_destroy_flow_group(vlan_filter_fg);
err_vlan_filter_fg:
mlx5_destroy_flow_group(vlan_fg);
err_vlan_fg:
mlx5_destroy_flow_table(skip_ft);
err_skip_tbl:
mlx5_destroy_flow_table(ingress_ft);
return err;
}
static void
mlx5_esw_bridge_ingress_table_cleanup(struct mlx5_esw_bridge_offloads *br_offloads)
{
mlx5_destroy_flow_group(br_offloads->ingress_mac_fg);
br_offloads->ingress_mac_fg = NULL;
mlx5_destroy_flow_group(br_offloads->ingress_qinq_filter_fg);
br_offloads->ingress_qinq_filter_fg = NULL;
mlx5_destroy_flow_group(br_offloads->ingress_qinq_fg);
br_offloads->ingress_qinq_fg = NULL;
mlx5_destroy_flow_group(br_offloads->ingress_vlan_filter_fg);
br_offloads->ingress_vlan_filter_fg = NULL;
mlx5_destroy_flow_group(br_offloads->ingress_vlan_fg);
br_offloads->ingress_vlan_fg = NULL;
mlx5_destroy_flow_table(br_offloads->skip_ft);
br_offloads->skip_ft = NULL;
mlx5_destroy_flow_table(br_offloads->ingress_ft);
br_offloads->ingress_ft = NULL;
}
static struct mlx5_flow_handle *
mlx5_esw_bridge_egress_miss_flow_create(struct mlx5_flow_table *egress_ft,
struct mlx5_flow_table *skip_ft,
struct mlx5_pkt_reformat *pkt_reformat);
static int
mlx5_esw_bridge_egress_table_init(struct mlx5_esw_bridge_offloads *br_offloads,
struct mlx5_esw_bridge *bridge)
{
struct mlx5_flow_group *miss_fg = NULL, *mac_fg, *vlan_fg, *qinq_fg;
struct mlx5_pkt_reformat *miss_pkt_reformat = NULL;
struct mlx5_flow_handle *miss_handle = NULL;
struct mlx5_eswitch *esw = br_offloads->esw;
struct mlx5_flow_table *egress_ft;
int err;
egress_ft = mlx5_esw_bridge_table_create(MLX5_ESW_BRIDGE_EGRESS_TABLE_SIZE,
MLX5_ESW_BRIDGE_LEVEL_EGRESS_TABLE,
esw);
if (IS_ERR(egress_ft))
return PTR_ERR(egress_ft);
vlan_fg = mlx5_esw_bridge_egress_vlan_fg_create(esw, egress_ft);
if (IS_ERR(vlan_fg)) {
err = PTR_ERR(vlan_fg);
goto err_vlan_fg;
}
qinq_fg = mlx5_esw_bridge_egress_qinq_fg_create(esw, egress_ft);
if (IS_ERR(qinq_fg)) {
err = PTR_ERR(qinq_fg);
goto err_qinq_fg;
}
mac_fg = mlx5_esw_bridge_egress_mac_fg_create(esw, egress_ft);
if (IS_ERR(mac_fg)) {
err = PTR_ERR(mac_fg);
goto err_mac_fg;
}
if (mlx5_esw_bridge_pkt_reformat_vlan_pop_supported(esw)) {
miss_fg = mlx5_esw_bridge_egress_miss_fg_create(esw, egress_ft);
if (IS_ERR(miss_fg)) {
esw_warn(esw->dev, "Failed to create miss flow group (err=%pe)\n",
miss_fg);
miss_fg = NULL;
goto skip_miss_flow;
}
miss_pkt_reformat = mlx5_esw_bridge_pkt_reformat_vlan_pop_create(esw);
if (IS_ERR(miss_pkt_reformat)) {
esw_warn(esw->dev,
"Failed to alloc packet reformat REMOVE_HEADER (err=%pe)\n",
miss_pkt_reformat);
miss_pkt_reformat = NULL;
mlx5_destroy_flow_group(miss_fg);
miss_fg = NULL;
goto skip_miss_flow;
}
miss_handle = mlx5_esw_bridge_egress_miss_flow_create(egress_ft,
br_offloads->skip_ft,
miss_pkt_reformat);
if (IS_ERR(miss_handle)) {
esw_warn(esw->dev, "Failed to create miss flow (err=%pe)\n",
miss_handle);
miss_handle = NULL;
mlx5_packet_reformat_dealloc(esw->dev, miss_pkt_reformat);
miss_pkt_reformat = NULL;
mlx5_destroy_flow_group(miss_fg);
miss_fg = NULL;
goto skip_miss_flow;
}
}
skip_miss_flow:
bridge->egress_ft = egress_ft;
bridge->egress_vlan_fg = vlan_fg;
bridge->egress_qinq_fg = qinq_fg;
bridge->egress_mac_fg = mac_fg;
bridge->egress_miss_fg = miss_fg;
bridge->egress_miss_pkt_reformat = miss_pkt_reformat;
bridge->egress_miss_handle = miss_handle;
return 0;
err_mac_fg:
mlx5_destroy_flow_group(qinq_fg);
err_qinq_fg:
mlx5_destroy_flow_group(vlan_fg);
err_vlan_fg:
mlx5_destroy_flow_table(egress_ft);
return err;
}
static void
mlx5_esw_bridge_egress_table_cleanup(struct mlx5_esw_bridge *bridge)
{
if (bridge->egress_miss_handle)
mlx5_del_flow_rules(bridge->egress_miss_handle);
if (bridge->egress_miss_pkt_reformat)
mlx5_packet_reformat_dealloc(bridge->br_offloads->esw->dev,
bridge->egress_miss_pkt_reformat);
if (bridge->egress_miss_fg)
mlx5_destroy_flow_group(bridge->egress_miss_fg);
mlx5_destroy_flow_group(bridge->egress_mac_fg);
mlx5_destroy_flow_group(bridge->egress_qinq_fg);
mlx5_destroy_flow_group(bridge->egress_vlan_fg);
mlx5_destroy_flow_table(bridge->egress_ft);
}
static struct mlx5_flow_handle *
mlx5_esw_bridge_ingress_flow_with_esw_create(u16 vport_num, const unsigned char *addr,
struct mlx5_esw_bridge_vlan *vlan,
struct mlx5_fc *counter,
struct mlx5_esw_bridge *bridge,
struct mlx5_eswitch *esw)
{
struct mlx5_esw_bridge_offloads *br_offloads = bridge->br_offloads;
struct mlx5_flow_act flow_act = {
.action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | MLX5_FLOW_CONTEXT_ACTION_COUNT,
.flags = FLOW_ACT_NO_APPEND,
};
struct mlx5_flow_destination dests[2] = {};
struct mlx5_flow_spec *rule_spec;
struct mlx5_flow_handle *handle;
u8 *smac_v, *smac_c;
rule_spec = kvzalloc_obj(*rule_spec);
if (!rule_spec)
return ERR_PTR(-ENOMEM);
rule_spec->match_criteria_enable = MLX5_MATCH_OUTER_HEADERS | MLX5_MATCH_MISC_PARAMETERS_2;
smac_v = MLX5_ADDR_OF(fte_match_param, rule_spec->match_value,
outer_headers.smac_47_16);
ether_addr_copy(smac_v, addr);
smac_c = MLX5_ADDR_OF(fte_match_param, rule_spec->match_criteria,
outer_headers.smac_47_16);
eth_broadcast_addr(smac_c);
MLX5_SET(fte_match_param, rule_spec->match_criteria,
misc_parameters_2.metadata_reg_c_0, mlx5_eswitch_get_vport_metadata_mask());
MLX5_SET(fte_match_param, rule_spec->match_value, misc_parameters_2.metadata_reg_c_0,
mlx5_eswitch_get_vport_metadata_for_match(esw, vport_num));
if (vlan && vlan->pkt_reformat_push) {
flow_act.action |= MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT |
MLX5_FLOW_CONTEXT_ACTION_MOD_HDR;
flow_act.pkt_reformat = vlan->pkt_reformat_push;
flow_act.modify_hdr = vlan->pkt_mod_hdr_push_mark;
} else if (vlan) {
if (bridge->vlan_proto == ETH_P_8021Q) {
MLX5_SET_TO_ONES(fte_match_param, rule_spec->match_criteria,
outer_headers.cvlan_tag);
MLX5_SET_TO_ONES(fte_match_param, rule_spec->match_value,
outer_headers.cvlan_tag);
} else if (bridge->vlan_proto == ETH_P_8021AD) {
MLX5_SET_TO_ONES(fte_match_param, rule_spec->match_criteria,
outer_headers.svlan_tag);
MLX5_SET_TO_ONES(fte_match_param, rule_spec->match_value,
outer_headers.svlan_tag);
}
MLX5_SET_TO_ONES(fte_match_param, rule_spec->match_criteria,
outer_headers.first_vid);
MLX5_SET(fte_match_param, rule_spec->match_value, outer_headers.first_vid,
vlan->vid);
}
dests[0].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE;
dests[0].ft = bridge->egress_ft;
dests[1].type = MLX5_FLOW_DESTINATION_TYPE_COUNTER;
dests[1].counter = counter;
handle = mlx5_add_flow_rules(br_offloads->ingress_ft, rule_spec, &flow_act, dests,
ARRAY_SIZE(dests));
kvfree(rule_spec);
return handle;
}
static struct mlx5_flow_handle *
mlx5_esw_bridge_ingress_flow_create(u16 vport_num, const unsigned char *addr,
struct mlx5_esw_bridge_vlan *vlan,
struct mlx5_fc *counter,
struct mlx5_esw_bridge *bridge)
{
return mlx5_esw_bridge_ingress_flow_with_esw_create(vport_num, addr, vlan, counter,
bridge, bridge->br_offloads->esw);
}
static struct mlx5_flow_handle *
mlx5_esw_bridge_ingress_flow_peer_create(u16 vport_num, u16 esw_owner_vhca_id,
const unsigned char *addr,
struct mlx5_esw_bridge_vlan *vlan,
struct mlx5_fc *counter,
struct mlx5_esw_bridge *bridge)
{
struct mlx5_devcom_comp_dev *devcom = bridge->br_offloads->esw->devcom, *pos;
struct mlx5_eswitch *tmp, *peer_esw = NULL;
static struct mlx5_flow_handle *handle;
if (!mlx5_devcom_for_each_peer_begin(devcom))
return ERR_PTR(-ENODEV);
mlx5_devcom_for_each_peer_entry(devcom, tmp, pos) {
if (mlx5_esw_is_owner(tmp, vport_num, esw_owner_vhca_id)) {
peer_esw = tmp;
break;
}
}
if (!peer_esw) {
handle = ERR_PTR(-ENODEV);
goto out;
}
handle = mlx5_esw_bridge_ingress_flow_with_esw_create(vport_num, addr, vlan, counter,
bridge, peer_esw);
out:
mlx5_devcom_for_each_peer_end(devcom);
return handle;
}
static struct mlx5_flow_handle *
mlx5_esw_bridge_ingress_filter_flow_create(u16 vport_num, const unsigned char *addr,
struct mlx5_esw_bridge *bridge)
{
struct mlx5_esw_bridge_offloads *br_offloads = bridge->br_offloads;
struct mlx5_flow_destination dest = {
.type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE,
.ft = br_offloads->skip_ft,
};
struct mlx5_flow_act flow_act = {
.action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST,
.flags = FLOW_ACT_NO_APPEND,
};
struct mlx5_flow_spec *rule_spec;
struct mlx5_flow_handle *handle;
u8 *smac_v, *smac_c;
rule_spec = kvzalloc_obj(*rule_spec);
if (!rule_spec)
return ERR_PTR(-ENOMEM);
rule_spec->match_criteria_enable = MLX5_MATCH_OUTER_HEADERS | MLX5_MATCH_MISC_PARAMETERS_2;
smac_v = MLX5_ADDR_OF(fte_match_param, rule_spec->match_value,
outer_headers.smac_47_16);
ether_addr_copy(smac_v, addr);
smac_c = MLX5_ADDR_OF(fte_match_param, rule_spec->match_criteria,
outer_headers.smac_47_16);
eth_broadcast_addr(smac_c);
MLX5_SET(fte_match_param, rule_spec->match_criteria,
misc_parameters_2.metadata_reg_c_0, mlx5_eswitch_get_vport_metadata_mask());
MLX5_SET(fte_match_param, rule_spec->match_value, misc_parameters_2.metadata_reg_c_0,
mlx5_eswitch_get_vport_metadata_for_match(br_offloads->esw, vport_num));
if (bridge->vlan_proto == ETH_P_8021Q) {
MLX5_SET_TO_ONES(fte_match_param, rule_spec->match_criteria,
outer_headers.cvlan_tag);
MLX5_SET_TO_ONES(fte_match_param, rule_spec->match_value,
outer_headers.cvlan_tag);
} else if (bridge->vlan_proto == ETH_P_8021AD) {
MLX5_SET_TO_ONES(fte_match_param, rule_spec->match_criteria,
outer_headers.svlan_tag);
MLX5_SET_TO_ONES(fte_match_param, rule_spec->match_value,
outer_headers.svlan_tag);
}
handle = mlx5_add_flow_rules(br_offloads->ingress_ft, rule_spec, &flow_act, &dest, 1);
kvfree(rule_spec);
return handle;
}
static struct mlx5_flow_handle *
mlx5_esw_bridge_egress_flow_create(u16 vport_num, u16 esw_owner_vhca_id, const unsigned char *addr,
struct mlx5_esw_bridge_vlan *vlan,
struct mlx5_esw_bridge *bridge)
{
struct mlx5_flow_destination dest = {
.type = MLX5_FLOW_DESTINATION_TYPE_VPORT,
.vport.num = vport_num,
};
struct mlx5_flow_act flow_act = {
.action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST,
.flags = FLOW_ACT_NO_APPEND,
};
struct mlx5_flow_spec *rule_spec;
struct mlx5_flow_handle *handle;
u8 *dmac_v, *dmac_c;
rule_spec = kvzalloc_obj(*rule_spec);
if (!rule_spec)
return ERR_PTR(-ENOMEM);
if (MLX5_CAP_ESW_FLOWTABLE(bridge->br_offloads->esw->dev, flow_source) &&
vport_num == MLX5_VPORT_UPLINK)
rule_spec->flow_context.flow_source =
MLX5_FLOW_CONTEXT_FLOW_SOURCE_LOCAL_VPORT;
rule_spec->match_criteria_enable = MLX5_MATCH_OUTER_HEADERS;
dmac_v = MLX5_ADDR_OF(fte_match_param, rule_spec->match_value,
outer_headers.dmac_47_16);
ether_addr_copy(dmac_v, addr);
dmac_c = MLX5_ADDR_OF(fte_match_param, rule_spec->match_criteria,
outer_headers.dmac_47_16);
eth_broadcast_addr(dmac_c);
if (vlan) {
if (vlan->pkt_reformat_pop) {
flow_act.action |= MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT;
flow_act.pkt_reformat = vlan->pkt_reformat_pop;
}
if (bridge->vlan_proto == ETH_P_8021Q) {
MLX5_SET_TO_ONES(fte_match_param, rule_spec->match_criteria,
outer_headers.cvlan_tag);
MLX5_SET_TO_ONES(fte_match_param, rule_spec->match_value,
outer_headers.cvlan_tag);
} else if (bridge->vlan_proto == ETH_P_8021AD) {
MLX5_SET_TO_ONES(fte_match_param, rule_spec->match_criteria,
outer_headers.svlan_tag);
MLX5_SET_TO_ONES(fte_match_param, rule_spec->match_value,
outer_headers.svlan_tag);
}
MLX5_SET_TO_ONES(fte_match_param, rule_spec->match_criteria,
outer_headers.first_vid);
MLX5_SET(fte_match_param, rule_spec->match_value, outer_headers.first_vid,
vlan->vid);
}
if (MLX5_CAP_ESW(bridge->br_offloads->esw->dev, merged_eswitch)) {
dest.vport.flags = MLX5_FLOW_DEST_VPORT_VHCA_ID;
dest.vport.vhca_id = esw_owner_vhca_id;
}
handle = mlx5_add_flow_rules(bridge->egress_ft, rule_spec, &flow_act, &dest, 1);
kvfree(rule_spec);
return handle;
}
static struct mlx5_flow_handle *
mlx5_esw_bridge_egress_miss_flow_create(struct mlx5_flow_table *egress_ft,
struct mlx5_flow_table *skip_ft,
struct mlx5_pkt_reformat *pkt_reformat)
{
struct mlx5_flow_destination dest = {
.type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE,
.ft = skip_ft,
};
struct mlx5_flow_act flow_act = {
.action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST |
MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT,
.flags = FLOW_ACT_NO_APPEND,
.pkt_reformat = pkt_reformat,
};
struct mlx5_flow_spec *rule_spec;
struct mlx5_flow_handle *handle;
rule_spec = kvzalloc_obj(*rule_spec);
if (!rule_spec)
return ERR_PTR(-ENOMEM);
rule_spec->match_criteria_enable = MLX5_MATCH_MISC_PARAMETERS_2;
MLX5_SET(fte_match_param, rule_spec->match_criteria,
misc_parameters_2.metadata_reg_c_1, ESW_TUN_MASK);
MLX5_SET(fte_match_param, rule_spec->match_value, misc_parameters_2.metadata_reg_c_1,
ESW_TUN_BRIDGE_INGRESS_PUSH_VLAN_MARK);
handle = mlx5_add_flow_rules(egress_ft, rule_spec, &flow_act, &dest, 1);
kvfree(rule_spec);
return handle;
}
static struct mlx5_esw_bridge *mlx5_esw_bridge_create(struct net_device *br_netdev,
struct mlx5_esw_bridge_offloads *br_offloads)
{
struct mlx5_esw_bridge *bridge;
int err;
bridge = kvzalloc_obj(*bridge);
if (!bridge)
return ERR_PTR(-ENOMEM);
bridge->br_offloads = br_offloads;
err = mlx5_esw_bridge_egress_table_init(br_offloads, bridge);
if (err)
goto err_egress_tbl;
err = rhashtable_init(&bridge->fdb_ht, &fdb_ht_params);
if (err)
goto err_fdb_ht;
err = mlx5_esw_bridge_mdb_init(bridge);
if (err)
goto err_mdb_ht;
INIT_LIST_HEAD(&bridge->fdb_list);
bridge->ifindex = br_netdev->ifindex;
bridge->refcnt = 1;
bridge->ageing_time = clock_t_to_jiffies(BR_DEFAULT_AGEING_TIME);
bridge->vlan_proto = ETH_P_8021Q;
list_add(&bridge->list, &br_offloads->bridges);
mlx5_esw_bridge_debugfs_init(br_netdev, bridge);
return bridge;
err_mdb_ht:
rhashtable_destroy(&bridge->fdb_ht);
err_fdb_ht:
mlx5_esw_bridge_egress_table_cleanup(bridge);
err_egress_tbl:
kvfree(bridge);
return ERR_PTR(err);
}
static void mlx5_esw_bridge_get(struct mlx5_esw_bridge *bridge)
{
bridge->refcnt++;
}
static void mlx5_esw_bridge_put(struct mlx5_esw_bridge_offloads *br_offloads,
struct mlx5_esw_bridge *bridge)
{
if (--bridge->refcnt)
return;
mlx5_esw_bridge_debugfs_cleanup(bridge);
mlx5_esw_bridge_egress_table_cleanup(bridge);
mlx5_esw_bridge_mcast_disable(bridge);
list_del(&bridge->list);
mlx5_esw_bridge_mdb_cleanup(bridge);
rhashtable_destroy(&bridge->fdb_ht);
kvfree(bridge);
if (list_empty(&br_offloads->bridges))
mlx5_esw_bridge_ingress_table_cleanup(br_offloads);
}
static struct mlx5_esw_bridge *
mlx5_esw_bridge_lookup(struct net_device *br_netdev, struct mlx5_esw_bridge_offloads *br_offloads)
{
struct mlx5_esw_bridge *bridge;
ASSERT_RTNL();
list_for_each_entry(bridge, &br_offloads->bridges, list) {
if (bridge->ifindex == br_netdev->ifindex) {
mlx5_esw_bridge_get(bridge);
return bridge;
}
}
if (!br_offloads->ingress_ft) {
int err = mlx5_esw_bridge_ingress_table_init(br_offloads);
if (err)
return ERR_PTR(err);
}
bridge = mlx5_esw_bridge_create(br_netdev, br_offloads);
if (IS_ERR(bridge) && list_empty(&br_offloads->bridges))
mlx5_esw_bridge_ingress_table_cleanup(br_offloads);
return bridge;
}
static unsigned long mlx5_esw_bridge_port_key_from_data(u16 vport_num, u16 esw_owner_vhca_id)
{
return vport_num | (unsigned long)esw_owner_vhca_id << sizeof(vport_num) * BITS_PER_BYTE;
}
unsigned long mlx5_esw_bridge_port_key(struct mlx5_esw_bridge_port *port)
{
return mlx5_esw_bridge_port_key_from_data(port->vport_num, port->esw_owner_vhca_id);
}
static int mlx5_esw_bridge_port_insert(struct mlx5_esw_bridge_port *port,
struct mlx5_esw_bridge_offloads *br_offloads)
{
return xa_insert(&br_offloads->ports, mlx5_esw_bridge_port_key(port), port, GFP_KERNEL);
}
static struct mlx5_esw_bridge_port *
mlx5_esw_bridge_port_lookup(u16 vport_num, u16 esw_owner_vhca_id,
struct mlx5_esw_bridge_offloads *br_offloads)
{
return xa_load(&br_offloads->ports, mlx5_esw_bridge_port_key_from_data(vport_num,
esw_owner_vhca_id));
}
static void mlx5_esw_bridge_port_erase(struct mlx5_esw_bridge_port *port,
struct mlx5_esw_bridge_offloads *br_offloads)
{
xa_erase(&br_offloads->ports, mlx5_esw_bridge_port_key(port));
}
static struct mlx5_esw_bridge *
mlx5_esw_bridge_from_port_lookup(u16 vport_num, u16 esw_owner_vhca_id,
struct mlx5_esw_bridge_offloads *br_offloads)
{
struct mlx5_esw_bridge_port *port;
port = mlx5_esw_bridge_port_lookup(vport_num, esw_owner_vhca_id, br_offloads);
if (!port)
return NULL;
return port->bridge;
}
static void mlx5_esw_bridge_fdb_entry_refresh(struct mlx5_esw_bridge_fdb_entry *entry)
{
trace_mlx5_esw_bridge_fdb_entry_refresh(entry);
mlx5_esw_bridge_fdb_offload_notify(entry->dev, entry->key.addr,
entry->key.vid,
SWITCHDEV_FDB_ADD_TO_BRIDGE);
}
static void
mlx5_esw_bridge_fdb_entry_cleanup(struct mlx5_esw_bridge_fdb_entry *entry,
struct mlx5_esw_bridge *bridge)
{
trace_mlx5_esw_bridge_fdb_entry_cleanup(entry);
rhashtable_remove_fast(&bridge->fdb_ht, &entry->ht_node, fdb_ht_params);
mlx5_del_flow_rules(entry->egress_handle);
if (entry->filter_handle)
mlx5_del_flow_rules(entry->filter_handle);
mlx5_del_flow_rules(entry->ingress_handle);
mlx5_fc_destroy(bridge->br_offloads->esw->dev, entry->ingress_counter);
list_del(&entry->vlan_list);
list_del(&entry->list);
kvfree(entry);
}
static void
mlx5_esw_bridge_fdb_entry_notify_and_cleanup(struct mlx5_esw_bridge_fdb_entry *entry,
struct mlx5_esw_bridge *bridge)
{
mlx5_esw_bridge_fdb_del_notify(entry);
mlx5_esw_bridge_fdb_entry_cleanup(entry, bridge);
}
static void mlx5_esw_bridge_fdb_flush(struct mlx5_esw_bridge *bridge)
{
struct mlx5_esw_bridge_fdb_entry *entry, *tmp;
list_for_each_entry_safe(entry, tmp, &bridge->fdb_list, list)
mlx5_esw_bridge_fdb_entry_notify_and_cleanup(entry, bridge);
}
static struct mlx5_esw_bridge_vlan *
mlx5_esw_bridge_vlan_lookup(u16 vid, struct mlx5_esw_bridge_port *port)
{
return xa_load(&port->vlans, vid);
}
static int
mlx5_esw_bridge_vlan_push_create(u16 vlan_proto, struct mlx5_esw_bridge_vlan *vlan,
struct mlx5_eswitch *esw)
{
struct {
__be16 h_vlan_proto;
__be16 h_vlan_TCI;
} vlan_hdr = { htons(vlan_proto), htons(vlan->vid) };
struct mlx5_pkt_reformat_params reformat_params = {};
struct mlx5_pkt_reformat *pkt_reformat;
if (!BIT(MLX5_CAP_ESW_FLOWTABLE_FDB(esw->dev, reformat_insert)) ||
MLX5_CAP_GEN_2(esw->dev, max_reformat_insert_size) < sizeof(vlan_hdr) ||
MLX5_CAP_GEN_2(esw->dev, max_reformat_insert_offset) <
offsetof(struct vlan_ethhdr, h_vlan_proto)) {
esw_warn(esw->dev, "Packet reformat INSERT_HEADER is not supported\n");
return -EOPNOTSUPP;
}
reformat_params.type = MLX5_REFORMAT_TYPE_INSERT_HDR;
reformat_params.param_0 = MLX5_REFORMAT_CONTEXT_ANCHOR_MAC_START;
reformat_params.param_1 = offsetof(struct vlan_ethhdr, h_vlan_proto);
reformat_params.size = sizeof(vlan_hdr);
reformat_params.data = &vlan_hdr;
pkt_reformat = mlx5_packet_reformat_alloc(esw->dev,
&reformat_params,
MLX5_FLOW_NAMESPACE_FDB);
if (IS_ERR(pkt_reformat)) {
esw_warn(esw->dev, "Failed to alloc packet reformat INSERT_HEADER (err=%pe)\n",
pkt_reformat);
return PTR_ERR(pkt_reformat);
}
vlan->pkt_reformat_push = pkt_reformat;
return 0;
}
static void
mlx5_esw_bridge_vlan_push_cleanup(struct mlx5_esw_bridge_vlan *vlan, struct mlx5_eswitch *esw)
{
mlx5_packet_reformat_dealloc(esw->dev, vlan->pkt_reformat_push);
vlan->pkt_reformat_push = NULL;
}
static int
mlx5_esw_bridge_vlan_pop_create(struct mlx5_esw_bridge_vlan *vlan, struct mlx5_eswitch *esw)
{
struct mlx5_pkt_reformat *pkt_reformat;
if (!mlx5_esw_bridge_pkt_reformat_vlan_pop_supported(esw)) {
esw_warn(esw->dev, "Packet reformat REMOVE_HEADER is not supported\n");
return -EOPNOTSUPP;
}
pkt_reformat = mlx5_esw_bridge_pkt_reformat_vlan_pop_create(esw);
if (IS_ERR(pkt_reformat)) {
esw_warn(esw->dev, "Failed to alloc packet reformat REMOVE_HEADER (err=%pe)\n",
pkt_reformat);
return PTR_ERR(pkt_reformat);
}
vlan->pkt_reformat_pop = pkt_reformat;
return 0;
}
static void
mlx5_esw_bridge_vlan_pop_cleanup(struct mlx5_esw_bridge_vlan *vlan, struct mlx5_eswitch *esw)
{
mlx5_packet_reformat_dealloc(esw->dev, vlan->pkt_reformat_pop);
vlan->pkt_reformat_pop = NULL;
}
static int
mlx5_esw_bridge_vlan_push_mark_create(struct mlx5_esw_bridge_vlan *vlan, struct mlx5_eswitch *esw)
{
u8 action[MLX5_UN_SZ_BYTES(set_add_copy_action_in_auto)] = {};
struct mlx5_modify_hdr *pkt_mod_hdr;
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_1);
MLX5_SET(set_action_in, action, offset, 8);
MLX5_SET(set_action_in, action, length, ESW_TUN_OPTS_BITS + ESW_TUN_ID_BITS);
MLX5_SET(set_action_in, action, data, ESW_TUN_BRIDGE_INGRESS_PUSH_VLAN);
pkt_mod_hdr = mlx5_modify_header_alloc(esw->dev, MLX5_FLOW_NAMESPACE_FDB, 1, action);
if (IS_ERR(pkt_mod_hdr))
return PTR_ERR(pkt_mod_hdr);
vlan->pkt_mod_hdr_push_mark = pkt_mod_hdr;
return 0;
}
static void
mlx5_esw_bridge_vlan_push_mark_cleanup(struct mlx5_esw_bridge_vlan *vlan, struct mlx5_eswitch *esw)
{
mlx5_modify_header_dealloc(esw->dev, vlan->pkt_mod_hdr_push_mark);
vlan->pkt_mod_hdr_push_mark = NULL;
}
static int
mlx5_esw_bridge_vlan_push_pop_fhs_create(u16 vlan_proto, struct mlx5_esw_bridge_port *port,
struct mlx5_esw_bridge_vlan *vlan)
{
return mlx5_esw_bridge_vlan_mcast_init(vlan_proto, port, vlan);
}
static void
mlx5_esw_bridge_vlan_push_pop_fhs_cleanup(struct mlx5_esw_bridge_vlan *vlan)
{
mlx5_esw_bridge_vlan_mcast_cleanup(vlan);
}
static int
mlx5_esw_bridge_vlan_push_pop_create(u16 vlan_proto, u16 flags, struct mlx5_esw_bridge_port *port,
struct mlx5_esw_bridge_vlan *vlan, struct mlx5_eswitch *esw)
{
int err;
if (flags & BRIDGE_VLAN_INFO_PVID) {
err = mlx5_esw_bridge_vlan_push_create(vlan_proto, vlan, esw);
if (err)
return err;
err = mlx5_esw_bridge_vlan_push_mark_create(vlan, esw);
if (err)
goto err_vlan_push_mark;
}
if (flags & BRIDGE_VLAN_INFO_UNTAGGED) {
err = mlx5_esw_bridge_vlan_pop_create(vlan, esw);
if (err)
goto err_vlan_pop;
err = mlx5_esw_bridge_vlan_push_pop_fhs_create(vlan_proto, port, vlan);
if (err)
goto err_vlan_pop_fhs;
}
return 0;
err_vlan_pop_fhs:
mlx5_esw_bridge_vlan_pop_cleanup(vlan, esw);
err_vlan_pop:
if (vlan->pkt_mod_hdr_push_mark)
mlx5_esw_bridge_vlan_push_mark_cleanup(vlan, esw);
err_vlan_push_mark:
if (vlan->pkt_reformat_push)
mlx5_esw_bridge_vlan_push_cleanup(vlan, esw);
return err;
}
static struct mlx5_esw_bridge_vlan *
mlx5_esw_bridge_vlan_create(u16 vlan_proto, u16 vid, u16 flags, struct mlx5_esw_bridge_port *port,
struct mlx5_eswitch *esw)
{
struct mlx5_esw_bridge_vlan *vlan;
int err;
vlan = kvzalloc_obj(*vlan);
if (!vlan)
return ERR_PTR(-ENOMEM);
vlan->vid = vid;
vlan->flags = flags;
INIT_LIST_HEAD(&vlan->fdb_list);
err = mlx5_esw_bridge_vlan_push_pop_create(vlan_proto, flags, port, vlan, esw);
if (err)
goto err_vlan_push_pop;
err = xa_insert(&port->vlans, vid, vlan, GFP_KERNEL);
if (err)
goto err_xa_insert;
trace_mlx5_esw_bridge_vlan_create(vlan);
return vlan;
err_xa_insert:
if (vlan->mcast_handle)
mlx5_esw_bridge_vlan_push_pop_fhs_cleanup(vlan);
if (vlan->pkt_reformat_pop)
mlx5_esw_bridge_vlan_pop_cleanup(vlan, esw);
if (vlan->pkt_mod_hdr_push_mark)
mlx5_esw_bridge_vlan_push_mark_cleanup(vlan, esw);
if (vlan->pkt_reformat_push)
mlx5_esw_bridge_vlan_push_cleanup(vlan, esw);
err_vlan_push_pop:
kvfree(vlan);
return ERR_PTR(err);
}
static void mlx5_esw_bridge_vlan_erase(struct mlx5_esw_bridge_port *port,
struct mlx5_esw_bridge_vlan *vlan)
{
xa_erase(&port->vlans, vlan->vid);
}
static void mlx5_esw_bridge_vlan_flush(struct mlx5_esw_bridge_port *port,
struct mlx5_esw_bridge_vlan *vlan,
struct mlx5_esw_bridge *bridge)
{
struct mlx5_eswitch *esw = bridge->br_offloads->esw;
struct mlx5_esw_bridge_fdb_entry *entry, *tmp;
list_for_each_entry_safe(entry, tmp, &vlan->fdb_list, vlan_list)
mlx5_esw_bridge_fdb_entry_notify_and_cleanup(entry, bridge);
mlx5_esw_bridge_port_mdb_vlan_flush(port, vlan);
if (vlan->mcast_handle)
mlx5_esw_bridge_vlan_push_pop_fhs_cleanup(vlan);
if (vlan->pkt_reformat_pop)
mlx5_esw_bridge_vlan_pop_cleanup(vlan, esw);
if (vlan->pkt_mod_hdr_push_mark)
mlx5_esw_bridge_vlan_push_mark_cleanup(vlan, esw);
if (vlan->pkt_reformat_push)
mlx5_esw_bridge_vlan_push_cleanup(vlan, esw);
}
static void mlx5_esw_bridge_vlan_cleanup(struct mlx5_esw_bridge_port *port,
struct mlx5_esw_bridge_vlan *vlan,
struct mlx5_esw_bridge *bridge)
{
trace_mlx5_esw_bridge_vlan_cleanup(vlan);
mlx5_esw_bridge_vlan_flush(port, vlan, bridge);
mlx5_esw_bridge_vlan_erase(port, vlan);
kvfree(vlan);
}
static void mlx5_esw_bridge_port_vlans_flush(struct mlx5_esw_bridge_port *port,
struct mlx5_esw_bridge *bridge)
{
struct mlx5_esw_bridge_vlan *vlan;
unsigned long index;
xa_for_each(&port->vlans, index, vlan)
mlx5_esw_bridge_vlan_cleanup(port, vlan, bridge);
}
static int mlx5_esw_bridge_port_vlans_recreate(struct mlx5_esw_bridge_port *port,
struct mlx5_esw_bridge *bridge)
{
struct mlx5_esw_bridge_offloads *br_offloads = bridge->br_offloads;
struct mlx5_esw_bridge_vlan *vlan;
unsigned long i;
int err;
xa_for_each(&port->vlans, i, vlan) {
mlx5_esw_bridge_vlan_flush(port, vlan, bridge);
err = mlx5_esw_bridge_vlan_push_pop_create(bridge->vlan_proto, vlan->flags, port,
vlan, br_offloads->esw);
if (err) {
esw_warn(br_offloads->esw->dev,
"Failed to create VLAN=%u(proto=%x) push/pop actions (vport=%u,err=%d)\n",
vlan->vid, bridge->vlan_proto, port->vport_num,
err);
return err;
}
}
return 0;
}
static int
mlx5_esw_bridge_vlans_recreate(struct mlx5_esw_bridge *bridge)
{
struct mlx5_esw_bridge_offloads *br_offloads = bridge->br_offloads;
struct mlx5_esw_bridge_port *port;
unsigned long i;
int err;
xa_for_each(&br_offloads->ports, i, port) {
if (port->bridge != bridge)
continue;
err = mlx5_esw_bridge_port_vlans_recreate(port, bridge);
if (err)
return err;
}
return 0;
}
static struct mlx5_esw_bridge_vlan *
mlx5_esw_bridge_port_vlan_lookup(u16 vid, u16 vport_num, u16 esw_owner_vhca_id,
struct mlx5_esw_bridge *bridge, struct mlx5_eswitch *esw)
{
struct mlx5_esw_bridge_port *port;
struct mlx5_esw_bridge_vlan *vlan;
port = mlx5_esw_bridge_port_lookup(vport_num, esw_owner_vhca_id, bridge->br_offloads);
if (!port) {
esw_info(esw->dev, "Failed to lookup bridge port (vport=%u)\n", vport_num);
return ERR_PTR(-EINVAL);
}
vlan = mlx5_esw_bridge_vlan_lookup(vid, port);
if (!vlan) {
esw_info(esw->dev, "Failed to lookup bridge port vlan metadata (vport=%u)\n",
vport_num);
return ERR_PTR(-EINVAL);
}
return vlan;
}
static struct mlx5_esw_bridge_fdb_entry *
mlx5_esw_bridge_fdb_lookup(struct mlx5_esw_bridge *bridge,
const unsigned char *addr, u16 vid)
{
struct mlx5_esw_bridge_fdb_key key = {};
ether_addr_copy(key.addr, addr);
key.vid = vid;
return rhashtable_lookup_fast(&bridge->fdb_ht, &key, fdb_ht_params);
}
static struct mlx5_esw_bridge_fdb_entry *
mlx5_esw_bridge_fdb_entry_init(struct net_device *dev, u16 vport_num, u16 esw_owner_vhca_id,
const unsigned char *addr, u16 vid, bool added_by_user, bool peer,
struct mlx5_eswitch *esw, struct mlx5_esw_bridge *bridge)
{
struct mlx5_esw_bridge_vlan *vlan = NULL;
struct mlx5_esw_bridge_fdb_entry *entry;
struct mlx5_flow_handle *handle;
struct mlx5_fc *counter;
int err;
if (bridge->flags & MLX5_ESW_BRIDGE_VLAN_FILTERING_FLAG && vid) {
vlan = mlx5_esw_bridge_port_vlan_lookup(vid, vport_num, esw_owner_vhca_id, bridge,
esw);
if (IS_ERR(vlan))
return ERR_CAST(vlan);
}
entry = mlx5_esw_bridge_fdb_lookup(bridge, addr, vid);
if (entry)
mlx5_esw_bridge_fdb_entry_notify_and_cleanup(entry, bridge);
entry = kvzalloc_obj(*entry);
if (!entry)
return ERR_PTR(-ENOMEM);
ether_addr_copy(entry->key.addr, addr);
entry->key.vid = vid;
entry->dev = dev;
entry->vport_num = vport_num;
entry->esw_owner_vhca_id = esw_owner_vhca_id;
entry->lastuse = jiffies;
if (added_by_user)
entry->flags |= MLX5_ESW_BRIDGE_FLAG_ADDED_BY_USER;
if (peer)
entry->flags |= MLX5_ESW_BRIDGE_FLAG_PEER;
counter = mlx5_fc_create(esw->dev, true);
if (IS_ERR(counter)) {
err = PTR_ERR(counter);
goto err_ingress_fc_create;
}
entry->ingress_counter = counter;
handle = peer ?
mlx5_esw_bridge_ingress_flow_peer_create(vport_num, esw_owner_vhca_id,
addr, vlan, counter, bridge) :
mlx5_esw_bridge_ingress_flow_create(vport_num, addr, vlan,
counter, bridge);
if (IS_ERR(handle)) {
err = PTR_ERR(handle);
esw_warn(esw->dev, "Failed to create ingress flow(vport=%u,err=%d,peer=%d)\n",
vport_num, err, peer);
goto err_ingress_flow_create;
}
entry->ingress_handle = handle;
if (bridge->flags & MLX5_ESW_BRIDGE_VLAN_FILTERING_FLAG) {
handle = mlx5_esw_bridge_ingress_filter_flow_create(vport_num, addr, bridge);
if (IS_ERR(handle)) {
err = PTR_ERR(handle);
esw_warn(esw->dev, "Failed to create ingress filter(vport=%u,err=%d)\n",
vport_num, err);
goto err_ingress_filter_flow_create;
}
entry->filter_handle = handle;
}
handle = mlx5_esw_bridge_egress_flow_create(vport_num, esw_owner_vhca_id, addr, vlan,
bridge);
if (IS_ERR(handle)) {
err = PTR_ERR(handle);
esw_warn(esw->dev, "Failed to create egress flow(vport=%u,err=%d)\n",
vport_num, err);
goto err_egress_flow_create;
}
entry->egress_handle = handle;
err = rhashtable_insert_fast(&bridge->fdb_ht, &entry->ht_node, fdb_ht_params);
if (err) {
esw_warn(esw->dev, "Failed to insert FDB flow(vport=%u,err=%d)\n", vport_num, err);
goto err_ht_init;
}
if (vlan)
list_add(&entry->vlan_list, &vlan->fdb_list);
else
INIT_LIST_HEAD(&entry->vlan_list);
list_add(&entry->list, &bridge->fdb_list);
trace_mlx5_esw_bridge_fdb_entry_init(entry);
return entry;
err_ht_init:
mlx5_del_flow_rules(entry->egress_handle);
err_egress_flow_create:
if (entry->filter_handle)
mlx5_del_flow_rules(entry->filter_handle);
err_ingress_filter_flow_create:
mlx5_del_flow_rules(entry->ingress_handle);
err_ingress_flow_create:
mlx5_fc_destroy(esw->dev, entry->ingress_counter);
err_ingress_fc_create:
kvfree(entry);
return ERR_PTR(err);
}
int mlx5_esw_bridge_ageing_time_set(u16 vport_num, u16 esw_owner_vhca_id, unsigned long ageing_time,
struct mlx5_esw_bridge_offloads *br_offloads)
{
struct mlx5_esw_bridge *bridge;
bridge = mlx5_esw_bridge_from_port_lookup(vport_num, esw_owner_vhca_id, br_offloads);
if (!bridge)
return -EINVAL;
bridge->ageing_time = clock_t_to_jiffies(ageing_time);
return 0;
}
int mlx5_esw_bridge_vlan_filtering_set(u16 vport_num, u16 esw_owner_vhca_id, bool enable,
struct mlx5_esw_bridge_offloads *br_offloads)
{
struct mlx5_esw_bridge *bridge;
bool filtering;
bridge = mlx5_esw_bridge_from_port_lookup(vport_num, esw_owner_vhca_id, br_offloads);
if (!bridge)
return -EINVAL;
filtering = bridge->flags & MLX5_ESW_BRIDGE_VLAN_FILTERING_FLAG;
if (filtering == enable)
return 0;
mlx5_esw_bridge_fdb_flush(bridge);
mlx5_esw_bridge_mdb_flush(bridge);
if (enable)
bridge->flags |= MLX5_ESW_BRIDGE_VLAN_FILTERING_FLAG;
else
bridge->flags &= ~MLX5_ESW_BRIDGE_VLAN_FILTERING_FLAG;
return 0;
}
int mlx5_esw_bridge_vlan_proto_set(u16 vport_num, u16 esw_owner_vhca_id, u16 proto,
struct mlx5_esw_bridge_offloads *br_offloads)
{
struct mlx5_esw_bridge *bridge;
bridge = mlx5_esw_bridge_from_port_lookup(vport_num, esw_owner_vhca_id,
br_offloads);
if (!bridge)
return -EINVAL;
if (bridge->vlan_proto == proto)
return 0;
if (proto != ETH_P_8021Q && proto != ETH_P_8021AD) {
esw_warn(br_offloads->esw->dev, "Can't set unsupported VLAN protocol %x", proto);
return -EOPNOTSUPP;
}
mlx5_esw_bridge_fdb_flush(bridge);
mlx5_esw_bridge_mdb_flush(bridge);
bridge->vlan_proto = proto;
mlx5_esw_bridge_vlans_recreate(bridge);
return 0;
}
int mlx5_esw_bridge_mcast_set(u16 vport_num, u16 esw_owner_vhca_id, bool enable,
struct mlx5_esw_bridge_offloads *br_offloads)
{
struct mlx5_eswitch *esw = br_offloads->esw;
struct mlx5_esw_bridge *bridge;
int err = 0;
bool mcast;
if (!(MLX5_CAP_ESW_FLOWTABLE((esw)->dev, fdb_multi_path_any_table) ||
MLX5_CAP_ESW_FLOWTABLE((esw)->dev, fdb_multi_path_any_table_limit_regc)) ||
!MLX5_CAP_ESW_FLOWTABLE((esw)->dev, fdb_uplink_hairpin) ||
!MLX5_CAP_ESW_FLOWTABLE_FDB((esw)->dev, ignore_flow_level))
return -EOPNOTSUPP;
bridge = mlx5_esw_bridge_from_port_lookup(vport_num, esw_owner_vhca_id, br_offloads);
if (!bridge)
return -EINVAL;
mcast = bridge->flags & MLX5_ESW_BRIDGE_MCAST_FLAG;
if (mcast == enable)
return 0;
if (enable)
err = mlx5_esw_bridge_mcast_enable(bridge);
else
mlx5_esw_bridge_mcast_disable(bridge);
return err;
}
static int mlx5_esw_bridge_vport_init(u16 vport_num, u16 esw_owner_vhca_id, u16 flags,
struct mlx5_esw_bridge_offloads *br_offloads,
struct mlx5_esw_bridge *bridge)
{
struct mlx5_eswitch *esw = br_offloads->esw;
struct mlx5_esw_bridge_port *port;
int err;
port = kvzalloc_obj(*port);
if (!port)
return -ENOMEM;
port->vport_num = vport_num;
port->esw_owner_vhca_id = esw_owner_vhca_id;
port->bridge = bridge;
port->flags |= flags;
xa_init(&port->vlans);
err = mlx5_esw_bridge_port_mcast_init(port);
if (err) {
esw_warn(esw->dev,
"Failed to initialize port multicast (vport=%u,esw_owner_vhca_id=%u,err=%d)\n",
port->vport_num, port->esw_owner_vhca_id, err);
goto err_port_mcast;
}
err = mlx5_esw_bridge_port_insert(port, br_offloads);
if (err) {
esw_warn(esw->dev,
"Failed to insert port metadata (vport=%u,esw_owner_vhca_id=%u,err=%d)\n",
port->vport_num, port->esw_owner_vhca_id, err);
goto err_port_insert;
}
trace_mlx5_esw_bridge_vport_init(port);
return 0;
err_port_insert:
mlx5_esw_bridge_port_mcast_cleanup(port);
err_port_mcast:
kvfree(port);
return err;
}
static int mlx5_esw_bridge_vport_cleanup(struct mlx5_esw_bridge_offloads *br_offloads,
struct mlx5_esw_bridge_port *port)
{
u16 vport_num = port->vport_num, esw_owner_vhca_id = port->esw_owner_vhca_id;
struct mlx5_esw_bridge *bridge = port->bridge;
struct mlx5_esw_bridge_fdb_entry *entry, *tmp;
list_for_each_entry_safe(entry, tmp, &bridge->fdb_list, list)
if (entry->vport_num == vport_num && entry->esw_owner_vhca_id == esw_owner_vhca_id)
mlx5_esw_bridge_fdb_entry_cleanup(entry, bridge);
trace_mlx5_esw_bridge_vport_cleanup(port);
mlx5_esw_bridge_port_vlans_flush(port, bridge);
mlx5_esw_bridge_port_mcast_cleanup(port);
mlx5_esw_bridge_port_erase(port, br_offloads);
kvfree(port);
mlx5_esw_bridge_put(br_offloads, bridge);
return 0;
}
static int mlx5_esw_bridge_vport_link_with_flags(struct net_device *br_netdev, u16 vport_num,
u16 esw_owner_vhca_id, u16 flags,
struct mlx5_esw_bridge_offloads *br_offloads,
struct netlink_ext_ack *extack)
{
struct mlx5_esw_bridge *bridge;
int err;
bridge = mlx5_esw_bridge_lookup(br_netdev, br_offloads);
if (IS_ERR(bridge)) {
NL_SET_ERR_MSG_MOD(extack, "Error checking for existing bridge with same ifindex");
return PTR_ERR(bridge);
}
err = mlx5_esw_bridge_vport_init(vport_num, esw_owner_vhca_id, flags, br_offloads, bridge);
if (err) {
NL_SET_ERR_MSG_MOD(extack, "Error initializing port");
goto err_vport;
}
return 0;
err_vport:
mlx5_esw_bridge_put(br_offloads, bridge);
return err;
}
int mlx5_esw_bridge_vport_link(struct net_device *br_netdev, u16 vport_num, u16 esw_owner_vhca_id,
struct mlx5_esw_bridge_offloads *br_offloads,
struct netlink_ext_ack *extack)
{
return mlx5_esw_bridge_vport_link_with_flags(br_netdev, vport_num, esw_owner_vhca_id, 0,
br_offloads, extack);
}
int mlx5_esw_bridge_vport_unlink(struct net_device *br_netdev, u16 vport_num,
u16 esw_owner_vhca_id,
struct mlx5_esw_bridge_offloads *br_offloads,
struct netlink_ext_ack *extack)
{
struct mlx5_esw_bridge_port *port;
int err;
port = mlx5_esw_bridge_port_lookup(vport_num, esw_owner_vhca_id, br_offloads);
if (!port) {
NL_SET_ERR_MSG_MOD(extack, "Port is not attached to any bridge");
return -EINVAL;
}
if (port->bridge->ifindex != br_netdev->ifindex) {
NL_SET_ERR_MSG_MOD(extack, "Port is attached to another bridge");
return -EINVAL;
}
err = mlx5_esw_bridge_vport_cleanup(br_offloads, port);
if (err)
NL_SET_ERR_MSG_MOD(extack, "Port cleanup failed");
return err;
}
int mlx5_esw_bridge_vport_peer_link(struct net_device *br_netdev, u16 vport_num,
u16 esw_owner_vhca_id,
struct mlx5_esw_bridge_offloads *br_offloads,
struct netlink_ext_ack *extack)
{
if (!MLX5_CAP_ESW(br_offloads->esw->dev, merged_eswitch))
return 0;
return mlx5_esw_bridge_vport_link_with_flags(br_netdev, vport_num, esw_owner_vhca_id,
MLX5_ESW_BRIDGE_PORT_FLAG_PEER,
br_offloads, extack);
}
int mlx5_esw_bridge_vport_peer_unlink(struct net_device *br_netdev, u16 vport_num,
u16 esw_owner_vhca_id,
struct mlx5_esw_bridge_offloads *br_offloads,
struct netlink_ext_ack *extack)
{
return mlx5_esw_bridge_vport_unlink(br_netdev, vport_num, esw_owner_vhca_id, br_offloads,
extack);
}
int mlx5_esw_bridge_port_vlan_add(u16 vport_num, u16 esw_owner_vhca_id, u16 vid, u16 flags,
struct mlx5_esw_bridge_offloads *br_offloads,
struct netlink_ext_ack *extack)
{
struct mlx5_esw_bridge_port *port;
struct mlx5_esw_bridge_vlan *vlan;
port = mlx5_esw_bridge_port_lookup(vport_num, esw_owner_vhca_id, br_offloads);
if (!port)
return -EINVAL;
vlan = mlx5_esw_bridge_vlan_lookup(vid, port);
if (vlan) {
if (vlan->flags == flags)
return 0;
mlx5_esw_bridge_vlan_cleanup(port, vlan, port->bridge);
}
vlan = mlx5_esw_bridge_vlan_create(port->bridge->vlan_proto, vid, flags, port,
br_offloads->esw);
if (IS_ERR(vlan)) {
NL_SET_ERR_MSG_MOD(extack, "Failed to create VLAN entry");
return PTR_ERR(vlan);
}
return 0;
}
void mlx5_esw_bridge_port_vlan_del(u16 vport_num, u16 esw_owner_vhca_id, u16 vid,
struct mlx5_esw_bridge_offloads *br_offloads)
{
struct mlx5_esw_bridge_port *port;
struct mlx5_esw_bridge_vlan *vlan;
port = mlx5_esw_bridge_port_lookup(vport_num, esw_owner_vhca_id, br_offloads);
if (!port)
return;
vlan = mlx5_esw_bridge_vlan_lookup(vid, port);
if (!vlan)
return;
mlx5_esw_bridge_vlan_cleanup(port, vlan, port->bridge);
}
void mlx5_esw_bridge_fdb_update_used(struct net_device *dev, u16 vport_num, u16 esw_owner_vhca_id,
struct mlx5_esw_bridge_offloads *br_offloads,
struct switchdev_notifier_fdb_info *fdb_info)
{
struct mlx5_esw_bridge_fdb_entry *entry;
struct mlx5_esw_bridge *bridge;
bridge = mlx5_esw_bridge_from_port_lookup(vport_num, esw_owner_vhca_id, br_offloads);
if (!bridge)
return;
entry = mlx5_esw_bridge_fdb_lookup(bridge, fdb_info->addr, fdb_info->vid);
if (!entry) {
esw_debug(br_offloads->esw->dev,
"FDB update entry with specified key not found (MAC=%pM,vid=%u,vport=%u)\n",
fdb_info->addr, fdb_info->vid, vport_num);
return;
}
entry->lastuse = jiffies;
}
void mlx5_esw_bridge_fdb_mark_deleted(struct net_device *dev, u16 vport_num, u16 esw_owner_vhca_id,
struct mlx5_esw_bridge_offloads *br_offloads,
struct switchdev_notifier_fdb_info *fdb_info)
{
struct mlx5_esw_bridge_fdb_entry *entry;
struct mlx5_esw_bridge *bridge;
bridge = mlx5_esw_bridge_from_port_lookup(vport_num, esw_owner_vhca_id, br_offloads);
if (!bridge)
return;
entry = mlx5_esw_bridge_fdb_lookup(bridge, fdb_info->addr, fdb_info->vid);
if (!entry) {
esw_debug(br_offloads->esw->dev,
"FDB mark deleted entry with specified key not found (MAC=%pM,vid=%u,vport=%u)\n",
fdb_info->addr, fdb_info->vid, vport_num);
return;
}
entry->flags |= MLX5_ESW_BRIDGE_FLAG_DELETED;
}
void mlx5_esw_bridge_fdb_create(struct net_device *dev, u16 vport_num, u16 esw_owner_vhca_id,
struct mlx5_esw_bridge_offloads *br_offloads,
struct switchdev_notifier_fdb_info *fdb_info)
{
struct mlx5_esw_bridge_fdb_entry *entry;
struct mlx5_esw_bridge_port *port;
struct mlx5_esw_bridge *bridge;
port = mlx5_esw_bridge_port_lookup(vport_num, esw_owner_vhca_id, br_offloads);
if (!port)
return;
bridge = port->bridge;
entry = mlx5_esw_bridge_fdb_entry_init(dev, vport_num, esw_owner_vhca_id, fdb_info->addr,
fdb_info->vid, fdb_info->added_by_user,
port->flags & MLX5_ESW_BRIDGE_PORT_FLAG_PEER,
br_offloads->esw, bridge);
if (IS_ERR(entry))
return;
if (entry->flags & MLX5_ESW_BRIDGE_FLAG_ADDED_BY_USER)
mlx5_esw_bridge_fdb_offload_notify(dev, entry->key.addr, entry->key.vid,
SWITCHDEV_FDB_OFFLOADED);
else if (!(entry->flags & MLX5_ESW_BRIDGE_FLAG_PEER))
mlx5_esw_bridge_fdb_offload_notify(dev, entry->key.addr, entry->key.vid,
SWITCHDEV_FDB_ADD_TO_BRIDGE);
}
void mlx5_esw_bridge_fdb_remove(struct net_device *dev, u16 vport_num, u16 esw_owner_vhca_id,
struct mlx5_esw_bridge_offloads *br_offloads,
struct switchdev_notifier_fdb_info *fdb_info)
{
struct mlx5_eswitch *esw = br_offloads->esw;
struct mlx5_esw_bridge_fdb_entry *entry;
struct mlx5_esw_bridge *bridge;
bridge = mlx5_esw_bridge_from_port_lookup(vport_num, esw_owner_vhca_id, br_offloads);
if (!bridge)
return;
entry = mlx5_esw_bridge_fdb_lookup(bridge, fdb_info->addr, fdb_info->vid);
if (!entry) {
esw_debug(esw->dev,
"FDB remove entry with specified key not found (MAC=%pM,vid=%u,vport=%u)\n",
fdb_info->addr, fdb_info->vid, vport_num);
return;
}
mlx5_esw_bridge_fdb_entry_notify_and_cleanup(entry, bridge);
}
void mlx5_esw_bridge_update(struct mlx5_esw_bridge_offloads *br_offloads)
{
struct mlx5_esw_bridge_fdb_entry *entry, *tmp;
struct mlx5_esw_bridge *bridge;
list_for_each_entry(bridge, &br_offloads->bridges, list) {
list_for_each_entry_safe(entry, tmp, &bridge->fdb_list, list) {
unsigned long lastuse =
(unsigned long)mlx5_fc_query_lastuse(entry->ingress_counter);
if (entry->flags & (MLX5_ESW_BRIDGE_FLAG_ADDED_BY_USER |
MLX5_ESW_BRIDGE_FLAG_DELETED))
continue;
if (time_after(lastuse, entry->lastuse))
mlx5_esw_bridge_fdb_entry_refresh(entry);
else if (!(entry->flags & MLX5_ESW_BRIDGE_FLAG_PEER) &&
time_is_before_jiffies(entry->lastuse + bridge->ageing_time))
mlx5_esw_bridge_fdb_entry_notify_and_cleanup(entry, bridge);
}
}
}
int mlx5_esw_bridge_port_mdb_add(struct net_device *dev, u16 vport_num, u16 esw_owner_vhca_id,
const unsigned char *addr, u16 vid,
struct mlx5_esw_bridge_offloads *br_offloads,
struct netlink_ext_ack *extack)
{
struct mlx5_esw_bridge_vlan *vlan;
struct mlx5_esw_bridge_port *port;
struct mlx5_esw_bridge *bridge;
int err;
port = mlx5_esw_bridge_port_lookup(vport_num, esw_owner_vhca_id, br_offloads);
if (!port) {
esw_warn(br_offloads->esw->dev,
"Failed to lookup bridge port to add MDB (MAC=%pM,vport=%u)\n",
addr, vport_num);
NL_SET_ERR_MSG_FMT_MOD(extack,
"Failed to lookup bridge port to add MDB (MAC=%pM,vport=%u)",
addr, vport_num);
return -EINVAL;
}
bridge = port->bridge;
if (bridge->flags & MLX5_ESW_BRIDGE_VLAN_FILTERING_FLAG && vid) {
vlan = mlx5_esw_bridge_vlan_lookup(vid, port);
if (!vlan) {
esw_warn(br_offloads->esw->dev,
"Failed to lookup bridge port vlan metadata to create MDB (MAC=%pM,vid=%u,vport=%u)\n",
addr, vid, vport_num);
NL_SET_ERR_MSG_FMT_MOD(extack,
"Failed to lookup vlan metadata for MDB (MAC=%pM,vid=%u,vport=%u)",
addr, vid, vport_num);
return -EINVAL;
}
}
err = mlx5_esw_bridge_port_mdb_attach(dev, port, addr, vid);
if (err) {
NL_SET_ERR_MSG_FMT_MOD(extack, "Failed to add MDB (MAC=%pM,vid=%u,vport=%u)",
addr, vid, vport_num);
return err;
}
return 0;
}
void mlx5_esw_bridge_port_mdb_del(struct net_device *dev, u16 vport_num, u16 esw_owner_vhca_id,
const unsigned char *addr, u16 vid,
struct mlx5_esw_bridge_offloads *br_offloads)
{
struct mlx5_esw_bridge_port *port;
port = mlx5_esw_bridge_port_lookup(vport_num, esw_owner_vhca_id, br_offloads);
if (!port)
return;
mlx5_esw_bridge_port_mdb_detach(dev, port, addr, vid);
}
static void mlx5_esw_bridge_flush(struct mlx5_esw_bridge_offloads *br_offloads)
{
struct mlx5_esw_bridge_port *port;
unsigned long i;
xa_for_each(&br_offloads->ports, i, port)
mlx5_esw_bridge_vport_cleanup(br_offloads, port);
WARN_ONCE(!list_empty(&br_offloads->bridges),
"Cleaning up bridge offloads while still having bridges attached\n");
}
struct mlx5_esw_bridge_offloads *mlx5_esw_bridge_init(struct mlx5_eswitch *esw)
{
struct mlx5_esw_bridge_offloads *br_offloads;
ASSERT_RTNL();
br_offloads = kvzalloc_obj(*br_offloads);
if (!br_offloads)
return ERR_PTR(-ENOMEM);
INIT_LIST_HEAD(&br_offloads->bridges);
xa_init(&br_offloads->ports);
br_offloads->esw = esw;
esw->br_offloads = br_offloads;
mlx5_esw_bridge_debugfs_offloads_init(br_offloads);
return br_offloads;
}
void mlx5_esw_bridge_cleanup(struct mlx5_eswitch *esw)
{
struct mlx5_esw_bridge_offloads *br_offloads = esw->br_offloads;
ASSERT_RTNL();
if (!br_offloads)
return;
mlx5_esw_bridge_flush(br_offloads);
WARN_ON(!xa_empty(&br_offloads->ports));
mlx5_esw_bridge_debugfs_offloads_cleanup(br_offloads);
esw->br_offloads = NULL;
kvfree(br_offloads);
}
