blob: 3ab682bbcf86780fa16daa27bc99baf9219bd88e [file] [log] [blame]
/*
* Copyright (c) 2016, Mellanox Technologies. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
* General Public License (GPL) Version 2, available from the file
* COPYING in the main directory of this source tree, or the
* OpenIB.org BSD license below:
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above
* copyright notice, this list of conditions and the following
* disclaimer.
*
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include <linux/debugfs.h>
#include <linux/mlx5/fs.h>
#include <net/switchdev.h>
#include <net/pkt_cls.h>
#include <net/act_api.h>
#include <net/devlink.h>
#include <net/ipv6_stubs.h>
#include "eswitch.h"
#include "en.h"
#include "en_rep.h"
#include "en/params.h"
#include "en/txrx.h"
#include "en_tc.h"
#include "en/rep/tc.h"
#include "en/rep/neigh.h"
#include "en/rep/bridge.h"
#include "en/devlink.h"
#include "fs_core.h"
#include "lib/mlx5.h"
#include "lib/devcom.h"
#include "lib/vxlan.h"
#define CREATE_TRACE_POINTS
#include "diag/en_rep_tracepoint.h"
#include "diag/reporter_vnic.h"
#include "en_accel/ipsec.h"
#include "en/tc/int_port.h"
#include "en/ptp.h"
#include "en/fs_ethtool.h"
#define MLX5E_REP_PARAMS_DEF_LOG_SQ_SIZE \
max(0x7, MLX5E_PARAMS_MINIMUM_LOG_SQ_SIZE)
#define MLX5E_REP_PARAMS_DEF_NUM_CHANNELS 1
static const char mlx5e_rep_driver_name[] = "mlx5e_rep";
static void mlx5e_rep_get_drvinfo(struct net_device *dev,
struct ethtool_drvinfo *drvinfo)
{
struct mlx5e_priv *priv = netdev_priv(dev);
struct mlx5_core_dev *mdev = priv->mdev;
int count;
strscpy(drvinfo->driver, mlx5e_rep_driver_name,
sizeof(drvinfo->driver));
count = snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
"%d.%d.%04d (%.16s)", fw_rev_maj(mdev),
fw_rev_min(mdev), fw_rev_sub(mdev), mdev->board_id);
if (count == sizeof(drvinfo->fw_version))
snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
"%d.%d.%04d", fw_rev_maj(mdev),
fw_rev_min(mdev), fw_rev_sub(mdev));
}
static const struct counter_desc sw_rep_stats_desc[] = {
{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_packets) },
{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_bytes) },
{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, tx_packets) },
{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, tx_bytes) },
};
static const struct counter_desc vport_rep_stats_desc[] = {
{ MLX5E_DECLARE_STAT(struct mlx5e_rep_stats, vport_rx_packets) },
{ MLX5E_DECLARE_STAT(struct mlx5e_rep_stats, vport_rx_bytes) },
{ MLX5E_DECLARE_STAT(struct mlx5e_rep_stats, vport_tx_packets) },
{ MLX5E_DECLARE_STAT(struct mlx5e_rep_stats, vport_tx_bytes) },
{ MLX5E_DECLARE_STAT(struct mlx5e_rep_stats,
rx_vport_rdma_unicast_packets) },
{ MLX5E_DECLARE_STAT(struct mlx5e_rep_stats, rx_vport_rdma_unicast_bytes) },
{ MLX5E_DECLARE_STAT(struct mlx5e_rep_stats,
tx_vport_rdma_unicast_packets) },
{ MLX5E_DECLARE_STAT(struct mlx5e_rep_stats, tx_vport_rdma_unicast_bytes) },
{ MLX5E_DECLARE_STAT(struct mlx5e_rep_stats,
rx_vport_rdma_multicast_packets) },
{ MLX5E_DECLARE_STAT(struct mlx5e_rep_stats,
rx_vport_rdma_multicast_bytes) },
{ MLX5E_DECLARE_STAT(struct mlx5e_rep_stats,
tx_vport_rdma_multicast_packets) },
{ MLX5E_DECLARE_STAT(struct mlx5e_rep_stats,
tx_vport_rdma_multicast_bytes) },
};
#define NUM_VPORT_REP_SW_COUNTERS ARRAY_SIZE(sw_rep_stats_desc)
#define NUM_VPORT_REP_HW_COUNTERS ARRAY_SIZE(vport_rep_stats_desc)
static MLX5E_DECLARE_STATS_GRP_OP_NUM_STATS(sw_rep)
{
return NUM_VPORT_REP_SW_COUNTERS;
}
static MLX5E_DECLARE_STATS_GRP_OP_FILL_STRS(sw_rep)
{
int i;
for (i = 0; i < NUM_VPORT_REP_SW_COUNTERS; i++)
strcpy(data + (idx++) * ETH_GSTRING_LEN,
sw_rep_stats_desc[i].format);
return idx;
}
static MLX5E_DECLARE_STATS_GRP_OP_FILL_STATS(sw_rep)
{
int i;
for (i = 0; i < NUM_VPORT_REP_SW_COUNTERS; i++)
data[idx++] = MLX5E_READ_CTR64_CPU(&priv->stats.sw,
sw_rep_stats_desc, i);
return idx;
}
static MLX5E_DECLARE_STATS_GRP_OP_UPDATE_STATS(sw_rep)
{
struct mlx5e_sw_stats *s = &priv->stats.sw;
struct rtnl_link_stats64 stats64 = {};
memset(s, 0, sizeof(*s));
mlx5e_fold_sw_stats64(priv, &stats64);
s->rx_packets = stats64.rx_packets;
s->rx_bytes = stats64.rx_bytes;
s->tx_packets = stats64.tx_packets;
s->tx_bytes = stats64.tx_bytes;
s->tx_queue_dropped = stats64.tx_dropped;
}
static MLX5E_DECLARE_STATS_GRP_OP_NUM_STATS(vport_rep)
{
return NUM_VPORT_REP_HW_COUNTERS;
}
static MLX5E_DECLARE_STATS_GRP_OP_FILL_STRS(vport_rep)
{
int i;
for (i = 0; i < NUM_VPORT_REP_HW_COUNTERS; i++)
strcpy(data + (idx++) * ETH_GSTRING_LEN, vport_rep_stats_desc[i].format);
return idx;
}
static MLX5E_DECLARE_STATS_GRP_OP_FILL_STATS(vport_rep)
{
int i;
for (i = 0; i < NUM_VPORT_REP_HW_COUNTERS; i++)
data[idx++] = MLX5E_READ_CTR64_CPU(&priv->stats.rep_stats,
vport_rep_stats_desc, i);
return idx;
}
static MLX5E_DECLARE_STATS_GRP_OP_UPDATE_STATS(vport_rep)
{
struct mlx5e_rep_stats *rep_stats = &priv->stats.rep_stats;
int outlen = MLX5_ST_SZ_BYTES(query_vport_counter_out);
struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
struct mlx5e_rep_priv *rpriv = priv->ppriv;
struct mlx5_eswitch_rep *rep = rpriv->rep;
u32 *out;
int err;
out = kvzalloc(outlen, GFP_KERNEL);
if (!out)
return;
err = mlx5_core_query_vport_counter(esw->dev, 1, rep->vport - 1, 0, out);
if (err) {
netdev_warn(priv->netdev, "vport %d error %d reading stats\n",
rep->vport, err);
goto out;
}
#define MLX5_GET_CTR(p, x) \
MLX5_GET64(query_vport_counter_out, p, x)
/* flip tx/rx as we are reporting the counters for the switch vport */
rep_stats->vport_rx_packets =
MLX5_GET_CTR(out, transmitted_ib_unicast.packets) +
MLX5_GET_CTR(out, transmitted_eth_unicast.packets) +
MLX5_GET_CTR(out, transmitted_ib_multicast.packets) +
MLX5_GET_CTR(out, transmitted_eth_multicast.packets) +
MLX5_GET_CTR(out, transmitted_eth_broadcast.packets);
rep_stats->vport_tx_packets =
MLX5_GET_CTR(out, received_ib_unicast.packets) +
MLX5_GET_CTR(out, received_eth_unicast.packets) +
MLX5_GET_CTR(out, received_ib_multicast.packets) +
MLX5_GET_CTR(out, received_eth_multicast.packets) +
MLX5_GET_CTR(out, received_eth_broadcast.packets);
rep_stats->vport_rx_bytes =
MLX5_GET_CTR(out, transmitted_ib_unicast.octets) +
MLX5_GET_CTR(out, transmitted_eth_unicast.octets) +
MLX5_GET_CTR(out, transmitted_ib_multicast.octets) +
MLX5_GET_CTR(out, transmitted_eth_broadcast.octets);
rep_stats->vport_tx_bytes =
MLX5_GET_CTR(out, received_ib_unicast.octets) +
MLX5_GET_CTR(out, received_eth_unicast.octets) +
MLX5_GET_CTR(out, received_ib_multicast.octets) +
MLX5_GET_CTR(out, received_eth_multicast.octets) +
MLX5_GET_CTR(out, received_eth_broadcast.octets);
rep_stats->rx_vport_rdma_unicast_packets =
MLX5_GET_CTR(out, transmitted_ib_unicast.packets);
rep_stats->tx_vport_rdma_unicast_packets =
MLX5_GET_CTR(out, received_ib_unicast.packets);
rep_stats->rx_vport_rdma_unicast_bytes =
MLX5_GET_CTR(out, transmitted_ib_unicast.octets);
rep_stats->tx_vport_rdma_unicast_bytes =
MLX5_GET_CTR(out, received_ib_unicast.octets);
rep_stats->rx_vport_rdma_multicast_packets =
MLX5_GET_CTR(out, transmitted_ib_multicast.packets);
rep_stats->tx_vport_rdma_multicast_packets =
MLX5_GET_CTR(out, received_ib_multicast.packets);
rep_stats->rx_vport_rdma_multicast_bytes =
MLX5_GET_CTR(out, transmitted_ib_multicast.octets);
rep_stats->tx_vport_rdma_multicast_bytes =
MLX5_GET_CTR(out, received_ib_multicast.octets);
out:
kvfree(out);
}
static void mlx5e_rep_get_strings(struct net_device *dev,
u32 stringset, uint8_t *data)
{
struct mlx5e_priv *priv = netdev_priv(dev);
switch (stringset) {
case ETH_SS_STATS:
mlx5e_stats_fill_strings(priv, data);
break;
}
}
static void mlx5e_rep_get_ethtool_stats(struct net_device *dev,
struct ethtool_stats *stats, u64 *data)
{
struct mlx5e_priv *priv = netdev_priv(dev);
mlx5e_ethtool_get_ethtool_stats(priv, stats, data);
}
static int mlx5e_rep_get_sset_count(struct net_device *dev, int sset)
{
struct mlx5e_priv *priv = netdev_priv(dev);
switch (sset) {
case ETH_SS_STATS:
return mlx5e_stats_total_num(priv);
default:
return -EOPNOTSUPP;
}
}
static void
mlx5e_rep_get_ringparam(struct net_device *dev,
struct ethtool_ringparam *param,
struct kernel_ethtool_ringparam *kernel_param,
struct netlink_ext_ack *extack)
{
struct mlx5e_priv *priv = netdev_priv(dev);
mlx5e_ethtool_get_ringparam(priv, param, kernel_param);
}
static int
mlx5e_rep_set_ringparam(struct net_device *dev,
struct ethtool_ringparam *param,
struct kernel_ethtool_ringparam *kernel_param,
struct netlink_ext_ack *extack)
{
struct mlx5e_priv *priv = netdev_priv(dev);
return mlx5e_ethtool_set_ringparam(priv, param);
}
static void mlx5e_rep_get_channels(struct net_device *dev,
struct ethtool_channels *ch)
{
struct mlx5e_priv *priv = netdev_priv(dev);
mlx5e_ethtool_get_channels(priv, ch);
}
static int mlx5e_rep_set_channels(struct net_device *dev,
struct ethtool_channels *ch)
{
struct mlx5e_priv *priv = netdev_priv(dev);
return mlx5e_ethtool_set_channels(priv, ch);
}
static int mlx5e_rep_get_coalesce(struct net_device *netdev,
struct ethtool_coalesce *coal,
struct kernel_ethtool_coalesce *kernel_coal,
struct netlink_ext_ack *extack)
{
struct mlx5e_priv *priv = netdev_priv(netdev);
return mlx5e_ethtool_get_coalesce(priv, coal, kernel_coal);
}
static int mlx5e_rep_set_coalesce(struct net_device *netdev,
struct ethtool_coalesce *coal,
struct kernel_ethtool_coalesce *kernel_coal,
struct netlink_ext_ack *extack)
{
struct mlx5e_priv *priv = netdev_priv(netdev);
return mlx5e_ethtool_set_coalesce(priv, coal, kernel_coal, extack);
}
static u32 mlx5e_rep_get_rxfh_key_size(struct net_device *netdev)
{
struct mlx5e_priv *priv = netdev_priv(netdev);
return mlx5e_ethtool_get_rxfh_key_size(priv);
}
static u32 mlx5e_rep_get_rxfh_indir_size(struct net_device *netdev)
{
struct mlx5e_priv *priv = netdev_priv(netdev);
return mlx5e_ethtool_get_rxfh_indir_size(priv);
}
static const struct ethtool_ops mlx5e_rep_ethtool_ops = {
.supported_coalesce_params = ETHTOOL_COALESCE_USECS |
ETHTOOL_COALESCE_MAX_FRAMES |
ETHTOOL_COALESCE_USE_ADAPTIVE,
.get_drvinfo = mlx5e_rep_get_drvinfo,
.get_link = ethtool_op_get_link,
.get_strings = mlx5e_rep_get_strings,
.get_sset_count = mlx5e_rep_get_sset_count,
.get_ethtool_stats = mlx5e_rep_get_ethtool_stats,
.get_ringparam = mlx5e_rep_get_ringparam,
.set_ringparam = mlx5e_rep_set_ringparam,
.get_channels = mlx5e_rep_get_channels,
.set_channels = mlx5e_rep_set_channels,
.get_coalesce = mlx5e_rep_get_coalesce,
.set_coalesce = mlx5e_rep_set_coalesce,
.get_rxfh_key_size = mlx5e_rep_get_rxfh_key_size,
.get_rxfh_indir_size = mlx5e_rep_get_rxfh_indir_size,
};
static void mlx5e_sqs2vport_stop(struct mlx5_eswitch *esw,
struct mlx5_eswitch_rep *rep)
{
struct mlx5e_rep_sq *rep_sq, *tmp;
struct mlx5e_rep_sq_peer *sq_peer;
struct mlx5e_rep_priv *rpriv;
unsigned long i;
if (esw->mode != MLX5_ESWITCH_OFFLOADS)
return;
rpriv = mlx5e_rep_to_rep_priv(rep);
list_for_each_entry_safe(rep_sq, tmp, &rpriv->vport_sqs_list, list) {
mlx5_eswitch_del_send_to_vport_rule(rep_sq->send_to_vport_rule);
xa_for_each(&rep_sq->sq_peer, i, sq_peer) {
if (sq_peer->rule)
mlx5_eswitch_del_send_to_vport_rule(sq_peer->rule);
xa_erase(&rep_sq->sq_peer, i);
kfree(sq_peer);
}
xa_destroy(&rep_sq->sq_peer);
list_del(&rep_sq->list);
kfree(rep_sq);
}
}
static int mlx5e_sqs2vport_add_peers_rules(struct mlx5_eswitch *esw, struct mlx5_eswitch_rep *rep,
struct mlx5e_rep_sq *rep_sq, int i)
{
struct mlx5_flow_handle *flow_rule;
struct mlx5_devcom_comp_dev *tmp;
struct mlx5_eswitch *peer_esw;
mlx5_devcom_for_each_peer_entry(esw->devcom, peer_esw, tmp) {
u16 peer_rule_idx = MLX5_CAP_GEN(peer_esw->dev, vhca_id);
struct mlx5e_rep_sq_peer *sq_peer;
int err;
sq_peer = kzalloc(sizeof(*sq_peer), GFP_KERNEL);
if (!sq_peer)
return -ENOMEM;
flow_rule = mlx5_eswitch_add_send_to_vport_rule(peer_esw, esw,
rep, rep_sq->sqn);
if (IS_ERR(flow_rule)) {
kfree(sq_peer);
return PTR_ERR(flow_rule);
}
sq_peer->rule = flow_rule;
sq_peer->peer = peer_esw;
err = xa_insert(&rep_sq->sq_peer, peer_rule_idx, sq_peer, GFP_KERNEL);
if (err) {
kfree(sq_peer);
mlx5_eswitch_del_send_to_vport_rule(flow_rule);
return err;
}
}
return 0;
}
static int mlx5e_sqs2vport_start(struct mlx5_eswitch *esw,
struct mlx5_eswitch_rep *rep,
u32 *sqns_array, int sqns_num)
{
struct mlx5_flow_handle *flow_rule;
struct mlx5e_rep_priv *rpriv;
struct mlx5e_rep_sq *rep_sq;
bool devcom_locked = false;
int err;
int i;
if (esw->mode != MLX5_ESWITCH_OFFLOADS)
return 0;
rpriv = mlx5e_rep_to_rep_priv(rep);
if (mlx5_devcom_comp_is_ready(esw->devcom) &&
mlx5_devcom_for_each_peer_begin(esw->devcom))
devcom_locked = true;
for (i = 0; i < sqns_num; i++) {
rep_sq = kzalloc(sizeof(*rep_sq), GFP_KERNEL);
if (!rep_sq) {
err = -ENOMEM;
goto out_err;
}
/* Add re-inject rule to the PF/representor sqs */
flow_rule = mlx5_eswitch_add_send_to_vport_rule(esw, esw, rep,
sqns_array[i]);
if (IS_ERR(flow_rule)) {
err = PTR_ERR(flow_rule);
kfree(rep_sq);
goto out_err;
}
rep_sq->send_to_vport_rule = flow_rule;
rep_sq->sqn = sqns_array[i];
xa_init(&rep_sq->sq_peer);
if (devcom_locked) {
err = mlx5e_sqs2vport_add_peers_rules(esw, rep, rep_sq, i);
if (err) {
mlx5_eswitch_del_send_to_vport_rule(rep_sq->send_to_vport_rule);
xa_destroy(&rep_sq->sq_peer);
kfree(rep_sq);
goto out_err;
}
}
list_add(&rep_sq->list, &rpriv->vport_sqs_list);
}
if (devcom_locked)
mlx5_devcom_for_each_peer_end(esw->devcom);
return 0;
out_err:
mlx5e_sqs2vport_stop(esw, rep);
if (devcom_locked)
mlx5_devcom_for_each_peer_end(esw->devcom);
return err;
}
static int
mlx5e_add_sqs_fwd_rules(struct mlx5e_priv *priv)
{
int sqs_per_channel = mlx5e_get_dcb_num_tc(&priv->channels.params);
struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
bool is_uplink_rep = mlx5e_is_uplink_rep(priv);
struct mlx5e_rep_priv *rpriv = priv->ppriv;
struct mlx5_eswitch_rep *rep = rpriv->rep;
int n, tc, nch, num_sqs = 0;
struct mlx5e_channel *c;
int err = -ENOMEM;
bool ptp_sq;
u32 *sqs;
ptp_sq = !!(priv->channels.ptp &&
MLX5E_GET_PFLAG(&priv->channels.params, MLX5E_PFLAG_TX_PORT_TS));
nch = priv->channels.num + ptp_sq;
/* +2 for xdpsqs, they don't exist on the ptp channel but will not be
* counted for by num_sqs.
*/
if (is_uplink_rep)
sqs_per_channel += 2;
sqs = kvcalloc(nch * sqs_per_channel, sizeof(*sqs), GFP_KERNEL);
if (!sqs)
goto out;
for (n = 0; n < priv->channels.num; n++) {
c = priv->channels.c[n];
for (tc = 0; tc < c->num_tc; tc++)
sqs[num_sqs++] = c->sq[tc].sqn;
if (is_uplink_rep) {
if (c->xdp)
sqs[num_sqs++] = c->rq_xdpsq.sqn;
sqs[num_sqs++] = c->xdpsq.sqn;
}
}
if (ptp_sq) {
struct mlx5e_ptp *ptp_ch = priv->channels.ptp;
for (tc = 0; tc < ptp_ch->num_tc; tc++)
sqs[num_sqs++] = ptp_ch->ptpsq[tc].txqsq.sqn;
}
err = mlx5e_sqs2vport_start(esw, rep, sqs, num_sqs);
kvfree(sqs);
out:
if (err)
netdev_warn(priv->netdev, "Failed to add SQs FWD rules %d\n", err);
return err;
}
static void
mlx5e_remove_sqs_fwd_rules(struct mlx5e_priv *priv)
{
struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
struct mlx5e_rep_priv *rpriv = priv->ppriv;
struct mlx5_eswitch_rep *rep = rpriv->rep;
mlx5e_sqs2vport_stop(esw, rep);
}
static int
mlx5e_rep_add_meta_tunnel_rule(struct mlx5e_priv *priv)
{
struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
struct mlx5e_rep_priv *rpriv = priv->ppriv;
struct mlx5_eswitch_rep *rep = rpriv->rep;
struct mlx5_flow_handle *flow_rule;
struct mlx5_flow_group *g;
g = esw->fdb_table.offloads.send_to_vport_meta_grp;
if (!g)
return 0;
flow_rule = mlx5_eswitch_add_send_to_vport_meta_rule(esw, rep->vport);
if (IS_ERR(flow_rule))
return PTR_ERR(flow_rule);
rpriv->send_to_vport_meta_rule = flow_rule;
return 0;
}
static void
mlx5e_rep_del_meta_tunnel_rule(struct mlx5e_priv *priv)
{
struct mlx5e_rep_priv *rpriv = priv->ppriv;
if (rpriv->send_to_vport_meta_rule)
mlx5_eswitch_del_send_to_vport_meta_rule(rpriv->send_to_vport_meta_rule);
}
void mlx5e_rep_activate_channels(struct mlx5e_priv *priv)
{
mlx5e_add_sqs_fwd_rules(priv);
mlx5e_rep_add_meta_tunnel_rule(priv);
}
void mlx5e_rep_deactivate_channels(struct mlx5e_priv *priv)
{
mlx5e_rep_del_meta_tunnel_rule(priv);
mlx5e_remove_sqs_fwd_rules(priv);
}
static int mlx5e_rep_open(struct net_device *dev)
{
struct mlx5e_priv *priv = netdev_priv(dev);
struct mlx5e_rep_priv *rpriv = priv->ppriv;
struct mlx5_eswitch_rep *rep = rpriv->rep;
int err;
mutex_lock(&priv->state_lock);
err = mlx5e_open_locked(dev);
if (err)
goto unlock;
if (!mlx5_modify_vport_admin_state(priv->mdev,
MLX5_VPORT_STATE_OP_MOD_ESW_VPORT,
rep->vport, 1,
MLX5_VPORT_ADMIN_STATE_UP))
netif_carrier_on(dev);
unlock:
mutex_unlock(&priv->state_lock);
return err;
}
static int mlx5e_rep_close(struct net_device *dev)
{
struct mlx5e_priv *priv = netdev_priv(dev);
struct mlx5e_rep_priv *rpriv = priv->ppriv;
struct mlx5_eswitch_rep *rep = rpriv->rep;
int ret;
mutex_lock(&priv->state_lock);
mlx5_modify_vport_admin_state(priv->mdev,
MLX5_VPORT_STATE_OP_MOD_ESW_VPORT,
rep->vport, 1,
MLX5_VPORT_ADMIN_STATE_DOWN);
ret = mlx5e_close_locked(dev);
mutex_unlock(&priv->state_lock);
return ret;
}
bool mlx5e_is_uplink_rep(struct mlx5e_priv *priv)
{
struct mlx5e_rep_priv *rpriv = priv->ppriv;
struct mlx5_eswitch_rep *rep;
if (!MLX5_ESWITCH_MANAGER(priv->mdev))
return false;
if (!rpriv) /* non vport rep mlx5e instances don't use this field */
return false;
rep = rpriv->rep;
return (rep->vport == MLX5_VPORT_UPLINK);
}
bool mlx5e_rep_has_offload_stats(const struct net_device *dev, int attr_id)
{
switch (attr_id) {
case IFLA_OFFLOAD_XSTATS_CPU_HIT:
return true;
}
return false;
}
static int
mlx5e_get_sw_stats64(const struct net_device *dev,
struct rtnl_link_stats64 *stats)
{
struct mlx5e_priv *priv = netdev_priv(dev);
mlx5e_fold_sw_stats64(priv, stats);
return 0;
}
int mlx5e_rep_get_offload_stats(int attr_id, const struct net_device *dev,
void *sp)
{
switch (attr_id) {
case IFLA_OFFLOAD_XSTATS_CPU_HIT:
return mlx5e_get_sw_stats64(dev, sp);
}
return -EINVAL;
}
static void
mlx5e_rep_get_stats(struct net_device *dev, struct rtnl_link_stats64 *stats)
{
struct mlx5e_priv *priv = netdev_priv(dev);
/* update HW stats in background for next time */
mlx5e_queue_update_stats(priv);
mlx5e_stats_copy_rep_stats(stats, &priv->stats.rep_stats);
}
static int mlx5e_rep_change_mtu(struct net_device *netdev, int new_mtu)
{
return mlx5e_change_mtu(netdev, new_mtu, NULL);
}
static int mlx5e_rep_change_carrier(struct net_device *dev, bool new_carrier)
{
struct mlx5e_priv *priv = netdev_priv(dev);
struct mlx5e_rep_priv *rpriv = priv->ppriv;
struct mlx5_eswitch_rep *rep = rpriv->rep;
int err;
if (new_carrier) {
err = mlx5_modify_vport_admin_state(priv->mdev, MLX5_VPORT_STATE_OP_MOD_ESW_VPORT,
rep->vport, 1, MLX5_VPORT_ADMIN_STATE_UP);
if (err)
return err;
netif_carrier_on(dev);
} else {
err = mlx5_modify_vport_admin_state(priv->mdev, MLX5_VPORT_STATE_OP_MOD_ESW_VPORT,
rep->vport, 1, MLX5_VPORT_ADMIN_STATE_DOWN);
if (err)
return err;
netif_carrier_off(dev);
}
return 0;
}
static const struct net_device_ops mlx5e_netdev_ops_rep = {
.ndo_open = mlx5e_rep_open,
.ndo_stop = mlx5e_rep_close,
.ndo_start_xmit = mlx5e_xmit,
.ndo_setup_tc = mlx5e_rep_setup_tc,
.ndo_get_stats64 = mlx5e_rep_get_stats,
.ndo_has_offload_stats = mlx5e_rep_has_offload_stats,
.ndo_get_offload_stats = mlx5e_rep_get_offload_stats,
.ndo_change_mtu = mlx5e_rep_change_mtu,
.ndo_change_carrier = mlx5e_rep_change_carrier,
};
bool mlx5e_eswitch_uplink_rep(const struct net_device *netdev)
{
return netdev->netdev_ops == &mlx5e_netdev_ops &&
mlx5e_is_uplink_rep(netdev_priv(netdev));
}
bool mlx5e_eswitch_vf_rep(const struct net_device *netdev)
{
return netdev->netdev_ops == &mlx5e_netdev_ops_rep;
}
/* One indirect TIR set for outer. Inner not supported in reps. */
#define REP_NUM_INDIR_TIRS MLX5E_NUM_INDIR_TIRS
static int mlx5e_rep_max_nch_limit(struct mlx5_core_dev *mdev)
{
int max_tir_num = 1 << MLX5_CAP_GEN(mdev, log_max_tir);
int num_vports = mlx5_eswitch_get_total_vports(mdev);
return (max_tir_num - mlx5e_get_pf_num_tirs(mdev)
- (num_vports * REP_NUM_INDIR_TIRS)) / num_vports;
}
static void mlx5e_build_rep_params(struct net_device *netdev)
{
const bool take_rtnl = netdev->reg_state == NETREG_REGISTERED;
struct mlx5e_priv *priv = netdev_priv(netdev);
struct mlx5e_rep_priv *rpriv = priv->ppriv;
struct mlx5_eswitch_rep *rep = rpriv->rep;
struct mlx5_core_dev *mdev = priv->mdev;
struct mlx5e_params *params;
u8 cq_period_mode = MLX5_CAP_GEN(mdev, cq_period_start_from_cqe) ?
MLX5_CQ_PERIOD_MODE_START_FROM_CQE :
MLX5_CQ_PERIOD_MODE_START_FROM_EQE;
params = &priv->channels.params;
params->num_channels = MLX5E_REP_PARAMS_DEF_NUM_CHANNELS;
params->hard_mtu = MLX5E_ETH_HARD_MTU;
params->sw_mtu = netdev->mtu;
/* SQ */
if (rep->vport == MLX5_VPORT_UPLINK)
params->log_sq_size = MLX5E_PARAMS_DEFAULT_LOG_SQ_SIZE;
else
params->log_sq_size = MLX5E_REP_PARAMS_DEF_LOG_SQ_SIZE;
/* RQ */
mlx5e_build_rq_params(mdev, params);
/* If netdev is already registered (e.g. move from nic profile to uplink,
* RTNL lock must be held before triggering netdev notifiers.
*/
if (take_rtnl)
rtnl_lock();
/* update XDP supported features */
mlx5e_set_xdp_feature(netdev);
if (take_rtnl)
rtnl_unlock();
/* CQ moderation params */
params->rx_dim_enabled = MLX5_CAP_GEN(mdev, cq_moderation);
mlx5e_set_rx_cq_mode_params(params, cq_period_mode);
params->mqprio.num_tc = 1;
if (rep->vport != MLX5_VPORT_UPLINK)
params->vlan_strip_disable = true;
mlx5_query_min_inline(mdev, &params->tx_min_inline_mode);
}
static void mlx5e_build_rep_netdev(struct net_device *netdev,
struct mlx5_core_dev *mdev)
{
SET_NETDEV_DEV(netdev, mdev->device);
netdev->netdev_ops = &mlx5e_netdev_ops_rep;
eth_hw_addr_random(netdev);
netdev->ethtool_ops = &mlx5e_rep_ethtool_ops;
netdev->watchdog_timeo = 15 * HZ;
#if IS_ENABLED(CONFIG_MLX5_CLS_ACT)
netdev->hw_features |= NETIF_F_HW_TC;
#endif
netdev->hw_features |= NETIF_F_SG;
netdev->hw_features |= NETIF_F_IP_CSUM;
netdev->hw_features |= NETIF_F_IPV6_CSUM;
netdev->hw_features |= NETIF_F_GRO;
netdev->hw_features |= NETIF_F_TSO;
netdev->hw_features |= NETIF_F_TSO6;
netdev->hw_features |= NETIF_F_RXCSUM;
netdev->features |= netdev->hw_features;
netdev->features |= NETIF_F_NETNS_LOCAL;
}
static int mlx5e_init_rep(struct mlx5_core_dev *mdev,
struct net_device *netdev)
{
struct mlx5e_priv *priv = netdev_priv(netdev);
priv->fs =
mlx5e_fs_init(priv->profile, mdev,
!test_bit(MLX5E_STATE_DESTROYING, &priv->state),
priv->dfs_root);
if (!priv->fs) {
netdev_err(priv->netdev, "FS allocation failed\n");
return -ENOMEM;
}
mlx5e_build_rep_params(netdev);
mlx5e_timestamp_init(priv);
return 0;
}
static int mlx5e_init_ul_rep(struct mlx5_core_dev *mdev,
struct net_device *netdev)
{
struct mlx5e_priv *priv = netdev_priv(netdev);
priv->dfs_root = debugfs_create_dir("nic",
mlx5_debugfs_get_dev_root(mdev));
priv->fs = mlx5e_fs_init(priv->profile, mdev,
!test_bit(MLX5E_STATE_DESTROYING, &priv->state),
priv->dfs_root);
if (!priv->fs) {
netdev_err(priv->netdev, "FS allocation failed\n");
debugfs_remove_recursive(priv->dfs_root);
return -ENOMEM;
}
mlx5e_vxlan_set_netdev_info(priv);
mlx5e_build_rep_params(netdev);
mlx5e_timestamp_init(priv);
return 0;
}
static void mlx5e_cleanup_rep(struct mlx5e_priv *priv)
{
mlx5e_fs_cleanup(priv->fs);
debugfs_remove_recursive(priv->dfs_root);
priv->fs = NULL;
}
static int mlx5e_create_rep_ttc_table(struct mlx5e_priv *priv)
{
struct mlx5e_rep_priv *rpriv = priv->ppriv;
struct mlx5_eswitch_rep *rep = rpriv->rep;
struct ttc_params ttc_params = {};
int err;
mlx5e_fs_set_ns(priv->fs,
mlx5_get_flow_namespace(priv->mdev,
MLX5_FLOW_NAMESPACE_KERNEL), false);
/* The inner_ttc in the ttc params is intentionally not set */
mlx5e_set_ttc_params(priv->fs, priv->rx_res, &ttc_params, false);
if (rep->vport != MLX5_VPORT_UPLINK)
/* To give uplik rep TTC a lower level for chaining from root ft */
ttc_params.ft_attr.level = MLX5E_TTC_FT_LEVEL + 1;
mlx5e_fs_set_ttc(priv->fs, mlx5_create_ttc_table(priv->mdev, &ttc_params), false);
if (IS_ERR(mlx5e_fs_get_ttc(priv->fs, false))) {
err = PTR_ERR(mlx5e_fs_get_ttc(priv->fs, false));
netdev_err(priv->netdev, "Failed to create rep ttc table, err=%d\n",
err);
return err;
}
return 0;
}
static int mlx5e_create_rep_root_ft(struct mlx5e_priv *priv)
{
struct mlx5e_rep_priv *rpriv = priv->ppriv;
struct mlx5_eswitch_rep *rep = rpriv->rep;
struct mlx5_flow_table_attr ft_attr = {};
struct mlx5_flow_namespace *ns;
int err = 0;
if (rep->vport != MLX5_VPORT_UPLINK) {
/* non uplik reps will skip any bypass tables and go directly to
* their own ttc
*/
rpriv->root_ft = mlx5_get_ttc_flow_table(mlx5e_fs_get_ttc(priv->fs, false));
return 0;
}
/* uplink root ft will be used to auto chain, to ethtool or ttc tables */
ns = mlx5_get_flow_namespace(priv->mdev, MLX5_FLOW_NAMESPACE_OFFLOADS);
if (!ns) {
netdev_err(priv->netdev, "Failed to get reps offloads namespace\n");
return -EOPNOTSUPP;
}
ft_attr.max_fte = 0; /* Empty table, miss rule will always point to next table */
ft_attr.prio = 1;
ft_attr.level = 1;
rpriv->root_ft = mlx5_create_flow_table(ns, &ft_attr);
if (IS_ERR(rpriv->root_ft)) {
err = PTR_ERR(rpriv->root_ft);
rpriv->root_ft = NULL;
}
return err;
}
static void mlx5e_destroy_rep_root_ft(struct mlx5e_priv *priv)
{
struct mlx5e_rep_priv *rpriv = priv->ppriv;
struct mlx5_eswitch_rep *rep = rpriv->rep;
if (rep->vport != MLX5_VPORT_UPLINK)
return;
mlx5_destroy_flow_table(rpriv->root_ft);
}
static int mlx5e_create_rep_vport_rx_rule(struct mlx5e_priv *priv)
{
struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
struct mlx5e_rep_priv *rpriv = priv->ppriv;
struct mlx5_eswitch_rep *rep = rpriv->rep;
struct mlx5_flow_handle *flow_rule;
struct mlx5_flow_destination dest;
dest.type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE;
dest.ft = rpriv->root_ft;
flow_rule = mlx5_eswitch_create_vport_rx_rule(esw, rep->vport, &dest);
if (IS_ERR(flow_rule))
return PTR_ERR(flow_rule);
rpriv->vport_rx_rule = flow_rule;
return 0;
}
static void rep_vport_rx_rule_destroy(struct mlx5e_priv *priv)
{
struct mlx5e_rep_priv *rpriv = priv->ppriv;
if (!rpriv->vport_rx_rule)
return;
mlx5_del_flow_rules(rpriv->vport_rx_rule);
rpriv->vport_rx_rule = NULL;
}
int mlx5e_rep_bond_update(struct mlx5e_priv *priv, bool cleanup)
{
rep_vport_rx_rule_destroy(priv);
return cleanup ? 0 : mlx5e_create_rep_vport_rx_rule(priv);
}
static int mlx5e_init_rep_rx(struct mlx5e_priv *priv)
{
struct mlx5_core_dev *mdev = priv->mdev;
int err;
mlx5e_fs_init_l2_addr(priv->fs, priv->netdev);
err = mlx5e_open_drop_rq(priv, &priv->drop_rq);
if (err) {
mlx5_core_err(mdev, "open drop rq failed, %d\n", err);
goto err_free_fs;
}
priv->rx_res = mlx5e_rx_res_create(priv->mdev, 0, priv->max_nch, priv->drop_rq.rqn,
&priv->channels.params.packet_merge,
priv->channels.params.num_channels);
if (IS_ERR(priv->rx_res)) {
err = PTR_ERR(priv->rx_res);
mlx5_core_err(mdev, "Create rx resources failed, err=%d\n", err);
goto err_close_drop_rq;
}
err = mlx5e_create_rep_ttc_table(priv);
if (err)
goto err_destroy_rx_res;
err = mlx5e_create_rep_root_ft(priv);
if (err)
goto err_destroy_ttc_table;
err = mlx5e_create_rep_vport_rx_rule(priv);
if (err)
goto err_destroy_root_ft;
mlx5e_ethtool_init_steering(priv->fs);
return 0;
err_destroy_root_ft:
mlx5e_destroy_rep_root_ft(priv);
err_destroy_ttc_table:
mlx5_destroy_ttc_table(mlx5e_fs_get_ttc(priv->fs, false));
err_destroy_rx_res:
mlx5e_rx_res_destroy(priv->rx_res);
priv->rx_res = ERR_PTR(-EINVAL);
err_close_drop_rq:
mlx5e_close_drop_rq(&priv->drop_rq);
err_free_fs:
mlx5e_fs_cleanup(priv->fs);
priv->fs = NULL;
return err;
}
static void mlx5e_cleanup_rep_rx(struct mlx5e_priv *priv)
{
mlx5e_ethtool_cleanup_steering(priv->fs);
rep_vport_rx_rule_destroy(priv);
mlx5e_destroy_rep_root_ft(priv);
mlx5_destroy_ttc_table(mlx5e_fs_get_ttc(priv->fs, false));
mlx5e_rx_res_destroy(priv->rx_res);
priv->rx_res = ERR_PTR(-EINVAL);
mlx5e_close_drop_rq(&priv->drop_rq);
}
static void mlx5e_rep_mpesw_work(struct work_struct *work)
{
struct mlx5_rep_uplink_priv *uplink_priv =
container_of(work, struct mlx5_rep_uplink_priv,
mpesw_work);
struct mlx5e_rep_priv *rpriv =
container_of(uplink_priv, struct mlx5e_rep_priv,
uplink_priv);
struct mlx5e_priv *priv = netdev_priv(rpriv->netdev);
rep_vport_rx_rule_destroy(priv);
mlx5e_create_rep_vport_rx_rule(priv);
}
static int mlx5e_init_ul_rep_rx(struct mlx5e_priv *priv)
{
struct mlx5e_rep_priv *rpriv = priv->ppriv;
int err;
mlx5e_create_q_counters(priv);
err = mlx5e_init_rep_rx(priv);
if (err)
goto out;
mlx5e_tc_int_port_init_rep_rx(priv);
INIT_WORK(&rpriv->uplink_priv.mpesw_work, mlx5e_rep_mpesw_work);
out:
return err;
}
static void mlx5e_cleanup_ul_rep_rx(struct mlx5e_priv *priv)
{
struct mlx5e_rep_priv *rpriv = priv->ppriv;
cancel_work_sync(&rpriv->uplink_priv.mpesw_work);
mlx5e_tc_int_port_cleanup_rep_rx(priv);
mlx5e_cleanup_rep_rx(priv);
mlx5e_destroy_q_counters(priv);
}
static int mlx5e_init_uplink_rep_tx(struct mlx5e_rep_priv *rpriv)
{
struct mlx5_rep_uplink_priv *uplink_priv;
struct net_device *netdev;
struct mlx5e_priv *priv;
int err;
netdev = rpriv->netdev;
priv = netdev_priv(netdev);
uplink_priv = &rpriv->uplink_priv;
err = mlx5e_rep_tc_init(rpriv);
if (err)
return err;
mlx5_init_port_tun_entropy(&uplink_priv->tun_entropy, priv->mdev);
mlx5e_rep_bond_init(rpriv);
err = mlx5e_rep_tc_netdevice_event_register(rpriv);
if (err) {
mlx5_core_err(priv->mdev, "Failed to register netdev notifier, err: %d\n",
err);
goto err_event_reg;
}
return 0;
err_event_reg:
mlx5e_rep_bond_cleanup(rpriv);
mlx5e_rep_tc_cleanup(rpriv);
return err;
}
static void mlx5e_cleanup_uplink_rep_tx(struct mlx5e_rep_priv *rpriv)
{
mlx5e_rep_tc_netdevice_event_unregister(rpriv);
mlx5e_rep_bond_cleanup(rpriv);
mlx5e_rep_tc_cleanup(rpriv);
}
static int mlx5e_init_rep_tx(struct mlx5e_priv *priv)
{
struct mlx5e_rep_priv *rpriv = priv->ppriv;
int err;
err = mlx5e_create_tises(priv);
if (err) {
mlx5_core_warn(priv->mdev, "create tises failed, %d\n", err);
return err;
}
err = mlx5e_rep_neigh_init(rpriv);
if (err)
goto err_neigh_init;
if (rpriv->rep->vport == MLX5_VPORT_UPLINK) {
err = mlx5e_init_uplink_rep_tx(rpriv);
if (err)
goto err_init_tx;
}
err = mlx5e_tc_ht_init(&rpriv->tc_ht);
if (err)
goto err_ht_init;
return 0;
err_ht_init:
if (rpriv->rep->vport == MLX5_VPORT_UPLINK)
mlx5e_cleanup_uplink_rep_tx(rpriv);
err_init_tx:
mlx5e_rep_neigh_cleanup(rpriv);
err_neigh_init:
mlx5e_destroy_tises(priv);
return err;
}
static void mlx5e_cleanup_rep_tx(struct mlx5e_priv *priv)
{
struct mlx5e_rep_priv *rpriv = priv->ppriv;
mlx5e_tc_ht_cleanup(&rpriv->tc_ht);
if (rpriv->rep->vport == MLX5_VPORT_UPLINK)
mlx5e_cleanup_uplink_rep_tx(rpriv);
mlx5e_rep_neigh_cleanup(rpriv);
mlx5e_destroy_tises(priv);
}
static void mlx5e_rep_enable(struct mlx5e_priv *priv)
{
mlx5e_set_netdev_mtu_boundaries(priv);
}
static void mlx5e_rep_disable(struct mlx5e_priv *priv)
{
}
static int mlx5e_update_rep_rx(struct mlx5e_priv *priv)
{
return 0;
}
static int mlx5e_rep_event_mpesw(struct mlx5e_priv *priv)
{
struct mlx5e_rep_priv *rpriv = priv->ppriv;
struct mlx5_eswitch_rep *rep = rpriv->rep;
if (rep->vport != MLX5_VPORT_UPLINK)
return NOTIFY_DONE;
queue_work(priv->wq, &rpriv->uplink_priv.mpesw_work);
return NOTIFY_OK;
}
static int uplink_rep_async_event(struct notifier_block *nb, unsigned long event, void *data)
{
struct mlx5e_priv *priv = container_of(nb, struct mlx5e_priv, events_nb);
if (event == MLX5_EVENT_TYPE_PORT_CHANGE) {
struct mlx5_eqe *eqe = data;
switch (eqe->sub_type) {
case MLX5_PORT_CHANGE_SUBTYPE_DOWN:
case MLX5_PORT_CHANGE_SUBTYPE_ACTIVE:
queue_work(priv->wq, &priv->update_carrier_work);
break;
default:
return NOTIFY_DONE;
}
return NOTIFY_OK;
}
if (event == MLX5_DEV_EVENT_PORT_AFFINITY)
return mlx5e_rep_tc_event_port_affinity(priv);
else if (event == MLX5_DEV_EVENT_MULTIPORT_ESW)
return mlx5e_rep_event_mpesw(priv);
return NOTIFY_DONE;
}
static void mlx5e_uplink_rep_enable(struct mlx5e_priv *priv)
{
struct net_device *netdev = priv->netdev;
struct mlx5_core_dev *mdev = priv->mdev;
u16 max_mtu;
mlx5e_ipsec_init(priv);
netdev->min_mtu = ETH_MIN_MTU;
mlx5_query_port_max_mtu(priv->mdev, &max_mtu, 1);
netdev->max_mtu = MLX5E_HW2SW_MTU(&priv->channels.params, max_mtu);
mlx5e_set_dev_port_mtu(priv);
mlx5e_rep_tc_enable(priv);
if (MLX5_CAP_GEN(mdev, uplink_follow))
mlx5_modify_vport_admin_state(mdev, MLX5_VPORT_STATE_OP_MOD_UPLINK,
0, 0, MLX5_VPORT_ADMIN_STATE_AUTO);
mlx5_lag_add_netdev(mdev, netdev);
priv->events_nb.notifier_call = uplink_rep_async_event;
mlx5_notifier_register(mdev, &priv->events_nb);
mlx5e_dcbnl_initialize(priv);
mlx5e_dcbnl_init_app(priv);
mlx5e_rep_bridge_init(priv);
netdev->wanted_features |= NETIF_F_HW_TC;
rtnl_lock();
if (netif_running(netdev))
mlx5e_open(netdev);
udp_tunnel_nic_reset_ntf(priv->netdev);
netif_device_attach(netdev);
rtnl_unlock();
}
static void mlx5e_uplink_rep_disable(struct mlx5e_priv *priv)
{
struct mlx5_core_dev *mdev = priv->mdev;
rtnl_lock();
if (netif_running(priv->netdev))
mlx5e_close(priv->netdev);
netif_device_detach(priv->netdev);
rtnl_unlock();
mlx5e_rep_bridge_cleanup(priv);
mlx5e_dcbnl_delete_app(priv);
mlx5_notifier_unregister(mdev, &priv->events_nb);
mlx5e_rep_tc_disable(priv);
mlx5_lag_remove_netdev(mdev, priv->netdev);
mlx5_vxlan_reset_to_default(mdev->vxlan);
mlx5e_ipsec_cleanup(priv);
}
static MLX5E_DEFINE_STATS_GRP(sw_rep, 0);
static MLX5E_DEFINE_STATS_GRP(vport_rep, MLX5E_NDO_UPDATE_STATS);
/* The stats groups order is opposite to the update_stats() order calls */
static mlx5e_stats_grp_t mlx5e_rep_stats_grps[] = {
&MLX5E_STATS_GRP(sw_rep),
&MLX5E_STATS_GRP(vport_rep),
};
static unsigned int mlx5e_rep_stats_grps_num(struct mlx5e_priv *priv)
{
return ARRAY_SIZE(mlx5e_rep_stats_grps);
}
/* The stats groups order is opposite to the update_stats() order calls */
static mlx5e_stats_grp_t mlx5e_ul_rep_stats_grps[] = {
&MLX5E_STATS_GRP(sw),
&MLX5E_STATS_GRP(qcnt),
&MLX5E_STATS_GRP(vnic_env),
&MLX5E_STATS_GRP(vport),
&MLX5E_STATS_GRP(802_3),
&MLX5E_STATS_GRP(2863),
&MLX5E_STATS_GRP(2819),
&MLX5E_STATS_GRP(phy),
&MLX5E_STATS_GRP(eth_ext),
&MLX5E_STATS_GRP(pcie),
&MLX5E_STATS_GRP(per_prio),
&MLX5E_STATS_GRP(pme),
&MLX5E_STATS_GRP(channels),
&MLX5E_STATS_GRP(per_port_buff_congest),
#ifdef CONFIG_MLX5_EN_IPSEC
&MLX5E_STATS_GRP(ipsec_hw),
&MLX5E_STATS_GRP(ipsec_sw),
#endif
&MLX5E_STATS_GRP(ptp),
};
static unsigned int mlx5e_ul_rep_stats_grps_num(struct mlx5e_priv *priv)
{
return ARRAY_SIZE(mlx5e_ul_rep_stats_grps);
}
static int
mlx5e_rep_vnic_reporter_diagnose(struct devlink_health_reporter *reporter,
struct devlink_fmsg *fmsg,
struct netlink_ext_ack *extack)
{
struct mlx5e_rep_priv *rpriv = devlink_health_reporter_priv(reporter);
struct mlx5_eswitch_rep *rep = rpriv->rep;
mlx5_reporter_vnic_diagnose_counters(rep->esw->dev, fmsg, rep->vport,
true);
return 0;
}
static const struct devlink_health_reporter_ops mlx5_rep_vnic_reporter_ops = {
.name = "vnic",
.diagnose = mlx5e_rep_vnic_reporter_diagnose,
};
static void mlx5e_rep_vnic_reporter_create(struct mlx5e_priv *priv,
struct devlink_port *dl_port)
{
struct mlx5e_rep_priv *rpriv = priv->ppriv;
struct devlink_health_reporter *reporter;
reporter = devl_port_health_reporter_create(dl_port,
&mlx5_rep_vnic_reporter_ops,
0, rpriv);
if (IS_ERR(reporter)) {
mlx5_core_err(priv->mdev,
"Failed to create representor vnic reporter, err = %ld\n",
PTR_ERR(reporter));
return;
}
rpriv->rep_vnic_reporter = reporter;
}
static void mlx5e_rep_vnic_reporter_destroy(struct mlx5e_priv *priv)
{
struct mlx5e_rep_priv *rpriv = priv->ppriv;
if (!IS_ERR_OR_NULL(rpriv->rep_vnic_reporter))
devl_health_reporter_destroy(rpriv->rep_vnic_reporter);
}
static const struct mlx5e_profile mlx5e_rep_profile = {
.init = mlx5e_init_rep,
.cleanup = mlx5e_cleanup_rep,
.init_rx = mlx5e_init_rep_rx,
.cleanup_rx = mlx5e_cleanup_rep_rx,
.init_tx = mlx5e_init_rep_tx,
.cleanup_tx = mlx5e_cleanup_rep_tx,
.enable = mlx5e_rep_enable,
.disable = mlx5e_rep_disable,
.update_rx = mlx5e_update_rep_rx,
.update_stats = mlx5e_stats_update_ndo_stats,
.rx_handlers = &mlx5e_rx_handlers_rep,
.max_tc = 1,
.stats_grps = mlx5e_rep_stats_grps,
.stats_grps_num = mlx5e_rep_stats_grps_num,
.max_nch_limit = mlx5e_rep_max_nch_limit,
};
static const struct mlx5e_profile mlx5e_uplink_rep_profile = {
.init = mlx5e_init_ul_rep,
.cleanup = mlx5e_cleanup_rep,
.init_rx = mlx5e_init_ul_rep_rx,
.cleanup_rx = mlx5e_cleanup_ul_rep_rx,
.init_tx = mlx5e_init_rep_tx,
.cleanup_tx = mlx5e_cleanup_rep_tx,
.enable = mlx5e_uplink_rep_enable,
.disable = mlx5e_uplink_rep_disable,
.update_rx = mlx5e_update_rep_rx,
.update_stats = mlx5e_stats_update_ndo_stats,
.update_carrier = mlx5e_update_carrier,
.rx_handlers = &mlx5e_rx_handlers_rep,
.max_tc = MLX5E_MAX_NUM_TC,
.stats_grps = mlx5e_ul_rep_stats_grps,
.stats_grps_num = mlx5e_ul_rep_stats_grps_num,
};
/* e-Switch vport representors */
static int
mlx5e_vport_uplink_rep_load(struct mlx5_core_dev *dev, struct mlx5_eswitch_rep *rep)
{
struct mlx5e_priv *priv = netdev_priv(mlx5_uplink_netdev_get(dev));
struct mlx5e_rep_priv *rpriv = mlx5e_rep_to_rep_priv(rep);
rpriv->netdev = priv->netdev;
return mlx5e_netdev_change_profile(priv, &mlx5e_uplink_rep_profile,
rpriv);
}
static void
mlx5e_vport_uplink_rep_unload(struct mlx5e_rep_priv *rpriv)
{
struct net_device *netdev = rpriv->netdev;
struct mlx5e_priv *priv;
priv = netdev_priv(netdev);
mlx5e_netdev_attach_nic_profile(priv);
}
static int
mlx5e_vport_vf_rep_load(struct mlx5_core_dev *dev, struct mlx5_eswitch_rep *rep)
{
struct mlx5e_rep_priv *rpriv = mlx5e_rep_to_rep_priv(rep);
const struct mlx5e_profile *profile;
struct devlink_port *dl_port;
struct net_device *netdev;
struct mlx5e_priv *priv;
int err;
profile = &mlx5e_rep_profile;
netdev = mlx5e_create_netdev(dev, profile);
if (!netdev) {
mlx5_core_warn(dev,
"Failed to create representor netdev for vport %d\n",
rep->vport);
return -EINVAL;
}
mlx5e_build_rep_netdev(netdev, dev);
rpriv->netdev = netdev;
priv = netdev_priv(netdev);
priv->profile = profile;
priv->ppriv = rpriv;
err = profile->init(dev, netdev);
if (err) {
netdev_warn(netdev, "rep profile init failed, %d\n", err);
goto err_destroy_netdev;
}
err = mlx5e_attach_netdev(netdev_priv(netdev));
if (err) {
netdev_warn(netdev,
"Failed to attach representor netdev for vport %d\n",
rep->vport);
goto err_cleanup_profile;
}
dl_port = mlx5_esw_offloads_devlink_port(dev->priv.eswitch,
rpriv->rep->vport);
if (dl_port) {
SET_NETDEV_DEVLINK_PORT(netdev, dl_port);
mlx5e_rep_vnic_reporter_create(priv, dl_port);
}
err = register_netdev(netdev);
if (err) {
netdev_warn(netdev,
"Failed to register representor netdev for vport %d\n",
rep->vport);
goto err_detach_netdev;
}
return 0;
err_detach_netdev:
mlx5e_rep_vnic_reporter_destroy(priv);
mlx5e_detach_netdev(netdev_priv(netdev));
err_cleanup_profile:
priv->profile->cleanup(priv);
err_destroy_netdev:
mlx5e_destroy_netdev(netdev_priv(netdev));
return err;
}
static int
mlx5e_vport_rep_load(struct mlx5_core_dev *dev, struct mlx5_eswitch_rep *rep)
{
struct mlx5e_rep_priv *rpriv;
int err;
rpriv = kvzalloc(sizeof(*rpriv), GFP_KERNEL);
if (!rpriv)
return -ENOMEM;
/* rpriv->rep to be looked up when profile->init() is called */
rpriv->rep = rep;
rep->rep_data[REP_ETH].priv = rpriv;
INIT_LIST_HEAD(&rpriv->vport_sqs_list);
if (rep->vport == MLX5_VPORT_UPLINK)
err = mlx5e_vport_uplink_rep_load(dev, rep);
else
err = mlx5e_vport_vf_rep_load(dev, rep);
if (err)
kvfree(rpriv);
return err;
}
static void
mlx5e_vport_rep_unload(struct mlx5_eswitch_rep *rep)
{
struct mlx5e_rep_priv *rpriv = mlx5e_rep_to_rep_priv(rep);
struct net_device *netdev = rpriv->netdev;
struct mlx5e_priv *priv = netdev_priv(netdev);
void *ppriv = priv->ppriv;
if (rep->vport == MLX5_VPORT_UPLINK) {
mlx5e_vport_uplink_rep_unload(rpriv);
goto free_ppriv;
}
unregister_netdev(netdev);
mlx5e_rep_vnic_reporter_destroy(priv);
mlx5e_detach_netdev(priv);
priv->profile->cleanup(priv);
mlx5e_destroy_netdev(priv);
free_ppriv:
kvfree(ppriv); /* mlx5e_rep_priv */
}
static void *mlx5e_vport_rep_get_proto_dev(struct mlx5_eswitch_rep *rep)
{
struct mlx5e_rep_priv *rpriv;
rpriv = mlx5e_rep_to_rep_priv(rep);
return rpriv->netdev;
}
static void mlx5e_vport_rep_event_unpair(struct mlx5_eswitch_rep *rep,
struct mlx5_eswitch *peer_esw)
{
u16 i = MLX5_CAP_GEN(peer_esw->dev, vhca_id);
struct mlx5e_rep_priv *rpriv;
struct mlx5e_rep_sq *rep_sq;
WARN_ON_ONCE(!peer_esw);
rpriv = mlx5e_rep_to_rep_priv(rep);
list_for_each_entry(rep_sq, &rpriv->vport_sqs_list, list) {
struct mlx5e_rep_sq_peer *sq_peer = xa_load(&rep_sq->sq_peer, i);
if (!sq_peer || sq_peer->peer != peer_esw)
continue;
mlx5_eswitch_del_send_to_vport_rule(sq_peer->rule);
xa_erase(&rep_sq->sq_peer, i);
kfree(sq_peer);
}
}
static int mlx5e_vport_rep_event_pair(struct mlx5_eswitch *esw,
struct mlx5_eswitch_rep *rep,
struct mlx5_eswitch *peer_esw)
{
u16 i = MLX5_CAP_GEN(peer_esw->dev, vhca_id);
struct mlx5_flow_handle *flow_rule;
struct mlx5e_rep_sq_peer *sq_peer;
struct mlx5e_rep_priv *rpriv;
struct mlx5e_rep_sq *rep_sq;
int err;
rpriv = mlx5e_rep_to_rep_priv(rep);
list_for_each_entry(rep_sq, &rpriv->vport_sqs_list, list) {
sq_peer = xa_load(&rep_sq->sq_peer, i);
if (sq_peer && sq_peer->peer)
continue;
flow_rule = mlx5_eswitch_add_send_to_vport_rule(peer_esw, esw, rep,
rep_sq->sqn);
if (IS_ERR(flow_rule)) {
err = PTR_ERR(flow_rule);
goto err_out;
}
if (sq_peer) {
sq_peer->rule = flow_rule;
sq_peer->peer = peer_esw;
continue;
}
sq_peer = kzalloc(sizeof(*sq_peer), GFP_KERNEL);
if (!sq_peer) {
err = -ENOMEM;
goto err_sq_alloc;
}
err = xa_insert(&rep_sq->sq_peer, i, sq_peer, GFP_KERNEL);
if (err)
goto err_xa;
sq_peer->rule = flow_rule;
sq_peer->peer = peer_esw;
}
return 0;
err_xa:
kfree(sq_peer);
err_sq_alloc:
mlx5_eswitch_del_send_to_vport_rule(flow_rule);
err_out:
mlx5e_vport_rep_event_unpair(rep, peer_esw);
return err;
}
static int mlx5e_vport_rep_event(struct mlx5_eswitch *esw,
struct mlx5_eswitch_rep *rep,
enum mlx5_switchdev_event event,
void *data)
{
int err = 0;
if (event == MLX5_SWITCHDEV_EVENT_PAIR)
err = mlx5e_vport_rep_event_pair(esw, rep, data);
else if (event == MLX5_SWITCHDEV_EVENT_UNPAIR)
mlx5e_vport_rep_event_unpair(rep, data);
return err;
}
static const struct mlx5_eswitch_rep_ops rep_ops = {
.load = mlx5e_vport_rep_load,
.unload = mlx5e_vport_rep_unload,
.get_proto_dev = mlx5e_vport_rep_get_proto_dev,
.event = mlx5e_vport_rep_event,
};
static int mlx5e_rep_probe(struct auxiliary_device *adev,
const struct auxiliary_device_id *id)
{
struct mlx5_adev *edev = container_of(adev, struct mlx5_adev, adev);
struct mlx5_core_dev *mdev = edev->mdev;
struct mlx5_eswitch *esw;
esw = mdev->priv.eswitch;
mlx5_eswitch_register_vport_reps(esw, &rep_ops, REP_ETH);
return 0;
}
static void mlx5e_rep_remove(struct auxiliary_device *adev)
{
struct mlx5_adev *vdev = container_of(adev, struct mlx5_adev, adev);
struct mlx5_core_dev *mdev = vdev->mdev;
struct mlx5_eswitch *esw;
esw = mdev->priv.eswitch;
mlx5_eswitch_unregister_vport_reps(esw, REP_ETH);
}
static const struct auxiliary_device_id mlx5e_rep_id_table[] = {
{ .name = MLX5_ADEV_NAME ".eth-rep", },
{},
};
MODULE_DEVICE_TABLE(auxiliary, mlx5e_rep_id_table);
static struct auxiliary_driver mlx5e_rep_driver = {
.name = "eth-rep",
.probe = mlx5e_rep_probe,
.remove = mlx5e_rep_remove,
.id_table = mlx5e_rep_id_table,
};
int mlx5e_rep_init(void)
{
return auxiliary_driver_register(&mlx5e_rep_driver);
}
void mlx5e_rep_cleanup(void)
{
auxiliary_driver_unregister(&mlx5e_rep_driver);
}