Subject: [net-next v0 08/16] net/mlx5e: Add mirred/redirect to tc action infra

From: Saeed Mahameed <[email-masked]>
Date: Tue, 14 Dec 2021 21:32:52 -0800

From: Roi Dayan <[email-masked]>

Add parsing support by implementing struct mlx5e_tc_act
for this action.

Signed-off-by: Roi Dayan <[email-masked]>
Reviewed-by: Oz Shlomo <[email-masked]>
Signed-off-by: Saeed Mahameed <[email-masked]>
---
 .../net/ethernet/mellanox/mlx5/core/Makefile  |   3 +-
 .../mellanox/mlx5/core/en/tc/act/act.c        |   6 +-
 .../mellanox/mlx5/core/en/tc/act/act.h        |   4 +
 .../mellanox/mlx5/core/en/tc/act/mirred.c     | 315 ++++++++++++++++++
 .../mellanox/mlx5/core/en/tc/act/mirred_nic.c |  51 +++
 .../ethernet/mellanox/mlx5/core/en/tc_priv.h  |   1 +
 .../net/ethernet/mellanox/mlx5/core/en_tc.c   | 263 +--------------
 7 files changed, 382 insertions(+), 261 deletions(-)
 create mode 100644 drivers/net/ethernet/mellanox/mlx5/core/en/tc/act/mirred.c
 create mode 100644 drivers/net/ethernet/mellanox/mlx5/core/en/tc/act/mirred_nic.c

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/Makefile b/drivers/net/ethernet/mellanox/mlx5/core/Makefile
index 530acd000d6b..8712a5ca8f55 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/Makefile
+++ b/drivers/net/ethernet/mellanox/mlx5/core/Makefile
@@ -50,7 +50,8 @@ mlx5_core-$(CONFIG_MLX5_CLS_ACT)     += en_tc.o en/rep/tc.o en/rep/neigh.o \
 mlx5_core-$(CONFIG_MLX5_CLS_ACT)     += en/tc/act/act.o en/tc/act/drop.o en/tc/act/trap.o \
 					en/tc/act/accept.o en/tc/act/mark.o en/tc/act/goto.o \
 					en/tc/act/tun.o en/tc/act/csum.o en/tc/act/pedit.o \
-					en/tc/act/vlan.o en/tc/act/vlan_mangle.o en/tc/act/mpls.o
+					en/tc/act/vlan.o en/tc/act/vlan_mangle.o en/tc/act/mpls.o \
+					en/tc/act/mirred.o en/tc/act/mirred_nic.o
 
 mlx5_core-$(CONFIG_MLX5_TC_CT)	     += en/tc_ct.o
 mlx5_core-$(CONFIG_MLX5_TC_SAMPLE)   += en/tc/sample.o
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/tc/act/act.c b/drivers/net/ethernet/mellanox/mlx5/core/en/tc/act/act.c
index e4a96f24e7b2..70a362279809 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/tc/act/act.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/tc/act/act.c
@@ -11,8 +11,8 @@ static struct mlx5e_tc_act *tc_acts_fdb[NUM_FLOW_ACTIONS] = {
 	&mlx5e_tc_act_drop,
 	&mlx5e_tc_act_trap,
 	&mlx5e_tc_act_goto,
-	NULL, /* FLOW_ACTION_REDIRECT, */
-	NULL, /* FLOW_ACTION_MIRRED, */
+	&mlx5e_tc_act_mirred,
+	&mlx5e_tc_act_mirred,
 	NULL, /* FLOW_ACTION_REDIRECT_INGRESS, */
 	NULL, /* FLOW_ACTION_MIRRED_INGRESS, */
 	&mlx5e_tc_act_vlan,
@@ -42,7 +42,7 @@ static struct mlx5e_tc_act *tc_acts_nic[NUM_FLOW_ACTIONS] = {
 	&mlx5e_tc_act_drop,
 	NULL, /* FLOW_ACTION_TRAP, */
 	&mlx5e_tc_act_goto,
-	NULL, /* FLOW_ACTION_REDIRECT, */
+	&mlx5e_tc_act_mirred_nic,
 	NULL, /* FLOW_ACTION_MIRRED, */
 	NULL, /* FLOW_ACTION_REDIRECT_INGRESS, */
 	NULL, /* FLOW_ACTION_MIRRED_INGRESS, */
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/tc/act/act.h b/drivers/net/ethernet/mellanox/mlx5/core/en/tc/act/act.h
index a442a282f163..b57f22ca8f96 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/tc/act/act.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/tc/act/act.h
@@ -21,6 +21,8 @@ struct mlx5e_tc_act_parse_state {
 	bool mpls_push;
 	const struct ip_tunnel_info *tun_info;
 	struct pedit_headers_action hdrs[__PEDIT_CMD_MAX];
+	int ifindexes[MLX5_MAX_FLOW_FWD_VPORTS];
+	int if_count;
 };
 
 struct mlx5e_tc_act {
@@ -47,6 +49,8 @@ extern struct mlx5e_tc_act mlx5e_tc_act_vlan;
 extern struct mlx5e_tc_act mlx5e_tc_act_vlan_mangle;
 extern struct mlx5e_tc_act mlx5e_tc_act_mpls_push;
 extern struct mlx5e_tc_act mlx5e_tc_act_mpls_pop;
+extern struct mlx5e_tc_act mlx5e_tc_act_mirred;
+extern struct mlx5e_tc_act mlx5e_tc_act_mirred_nic;
 
 struct mlx5e_tc_act *
 mlx5e_tc_act_get(enum flow_action_id act_id,
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/tc/act/mirred.c b/drivers/net/ethernet/mellanox/mlx5/core/en/tc/act/mirred.c
new file mode 100644
index 000000000000..a0832b86016c
--- /dev/null
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/tc/act/mirred.c
@@ -0,0 +1,315 @@
+// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
+// Copyright (c) 2021, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
+
+#include <linux/if_macvlan.h>
+#include <linux/if_vlan.h>
+#include <net/bareudp.h>
+#include <net/bonding.h>
+#include "act.h"
+#include "vlan.h"
+#include "en/tc_tun_encap.h"
+#include "en/tc_priv.h"
+#include "en_rep.h"
+
+static bool
+same_vf_reps(struct mlx5e_priv *priv, struct net_device *out_dev)
+{
+	return mlx5e_eswitch_vf_rep(priv->netdev) &&
+	       priv->netdev == out_dev;
+}
+
+static int
+verify_uplink_forwarding(struct mlx5e_priv *priv,
+			 struct mlx5_flow_attr *attr,
+			 struct net_device *out_dev,
+			 struct netlink_ext_ack *extack)
+{
+	struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
+	struct mlx5e_rep_priv *rep_priv;
+
+	/* Forwarding non encapsulated traffic between
+	 * uplink ports is allowed only if
+	 * termination_table_raw_traffic cap is set.
+	 *
+	 * Input vport was stored attr->in_rep.
+	 * In LAG case, *priv* is the private data of
+	 * uplink which may be not the input vport.
+	 */
+	rep_priv = mlx5e_rep_to_rep_priv(attr->esw_attr->in_rep);
+
+	if (!(mlx5e_eswitch_uplink_rep(rep_priv->netdev) &&
+	      mlx5e_eswitch_uplink_rep(out_dev)))
+		return 0;
+
+	if (!MLX5_CAP_ESW_FLOWTABLE_FDB(esw->dev,
+					termination_table_raw_traffic)) {
+		NL_SET_ERR_MSG_MOD(extack,
+				   "devices are both uplink, can't offload forwarding");
+			pr_err("devices %s %s are both uplink, can't offload forwarding\n",
+			       priv->netdev->name, out_dev->name);
+			return -EOPNOTSUPP;
+	} else if (out_dev != rep_priv->netdev) {
+		NL_SET_ERR_MSG_MOD(extack,
+				   "devices are not the same uplink, can't offload forwarding");
+		pr_err("devices %s %s are both uplink but not the same, can't offload forwarding\n",
+		       priv->netdev->name, out_dev->name);
+		return -EOPNOTSUPP;
+	}
+	return 0;
+}
+
+static bool
+is_duplicated_output_device(struct net_device *dev,
+			    struct net_device *out_dev,
+			    int *ifindexes, int if_count,
+			    struct netlink_ext_ack *extack)
+{
+	int i;
+
+	for (i = 0; i < if_count; i++) {
+		if (ifindexes[i] == out_dev->ifindex) {
+			NL_SET_ERR_MSG_MOD(extack, "can't duplicate output to same device");
+			netdev_err(dev, "can't duplicate output to same device: %s\n",
+				   out_dev->name);
+			return true;
+		}
+	}
+
+	return false;
+}
+
+static struct net_device *
+get_fdb_out_dev(struct net_device *uplink_dev, struct net_device *out_dev)
+{
+	struct net_device *fdb_out_dev = out_dev;
+	struct net_device *uplink_upper;
+
+	rcu_read_lock();
+	uplink_upper = netdev_master_upper_dev_get_rcu(uplink_dev);
+	if (uplink_upper && netif_is_lag_master(uplink_upper) &&
+	    uplink_upper == out_dev) {
+		fdb_out_dev = uplink_dev;
+	} else if (netif_is_lag_master(out_dev)) {
+		fdb_out_dev = bond_option_active_slave_get_rcu(netdev_priv(out_dev));
+		if (fdb_out_dev &&
+		    (!mlx5e_eswitch_rep(fdb_out_dev) ||
+		     !netdev_port_same_parent_id(fdb_out_dev, uplink_dev)))
+			fdb_out_dev = NULL;
+	}
+	rcu_read_unlock();
+	return fdb_out_dev;
+}
+
+static bool
+tc_act_can_offload_mirred(struct mlx5e_tc_act_parse_state *parse_state,
+			  const struct flow_action_entry *act,
+			  int act_index)
+{
+	struct netlink_ext_ack *extack = parse_state->extack;
+	struct mlx5e_tc_flow *flow = parse_state->flow;
+	struct mlx5e_tc_flow_parse_attr *parse_attr;
+	struct net_device *out_dev = act->dev;
+	struct mlx5e_priv *priv = flow->priv;
+	struct mlx5_esw_flow_attr *esw_attr;
+
+	parse_attr = flow->attr->parse_attr;
+	esw_attr = flow->attr->esw_attr;
+
+	if (!out_dev) {
+		/* out_dev is NULL when filters with
+		 * non-existing mirred device are replayed to
+		 * the driver.
+		 */
+		return false;
+	}
+
+	if (parse_state->mpls_push && !netif_is_bareudp(out_dev)) {
+		NL_SET_ERR_MSG_MOD(extack, "mpls is supported only through a bareudp device");
+		return false;
+	}
+
+	if (mlx5e_is_ft_flow(flow) && out_dev == priv->netdev) {
+		/* Ignore forward to self rules generated
+		 * by adding both mlx5 devs to the flow table
+		 * block on a normal nft offload setup.
+		 */
+		return false;
+	}
+
+	if (esw_attr->out_count >= MLX5_MAX_FLOW_FWD_VPORTS) {
+		NL_SET_ERR_MSG_MOD(extack,
+				   "can't support more output ports, can't offload forwarding");
+		netdev_warn(priv->netdev,
+			    "can't support more than %d output ports, can't offload forwarding\n",
+			    esw_attr->out_count);
+		return false;
+	}
+
+	if (parse_state->encap ||
+	    netdev_port_same_parent_id(priv->netdev, out_dev) ||
+	    netif_is_ovs_master(out_dev))
+		return true;
+
+	if (parse_attr->filter_dev != priv->netdev) {
+		/* All mlx5 devices are called to configure
+		 * high level device filters. Therefore, the
+		 * *attempt* to  install a filter on invalid
+		 * eswitch should not trigger an explicit error
+		 */
+		return false;
+	}
+
+	NL_SET_ERR_MSG_MOD(extack, "devices are not on same switch HW, can't offload forwarding");
+	netdev_warn(priv->netdev,
+		    "devices %s %s not on same switch HW, can't offload forwarding\n",
+		    netdev_name(priv->netdev),
+		    out_dev->name);
+
+	return false;
+}
+
+static int
+parse_mirred_encap(struct mlx5e_tc_act_parse_state *parse_state,
+		   const struct flow_action_entry *act,
+		   struct mlx5_flow_attr *attr)
+{
+	struct mlx5e_tc_flow_parse_attr *parse_attr = attr->parse_attr;
+	struct mlx5_esw_flow_attr *esw_attr = attr->esw_attr;
+	struct net_device *out_dev = act->dev;
+
+	parse_attr->mirred_ifindex[esw_attr->out_count] = out_dev->ifindex;
+	parse_attr->tun_info[esw_attr->out_count] =
+		mlx5e_dup_tun_info(parse_state->tun_info);
+
+	if (!parse_attr->tun_info[esw_attr->out_count])
+		return -ENOMEM;
+
+	parse_state->encap = false;
+	esw_attr->dests[esw_attr->out_count].flags |= MLX5_ESW_DEST_ENCAP;
+	esw_attr->out_count++;
+	/* attr->dests[].rep is resolved when we handle encap */
+
+	return 0;
+}
+
+static int
+parse_mirred(struct mlx5e_tc_act_parse_state *parse_state,
+	     const struct flow_action_entry *act,
+	     struct mlx5e_priv *priv,
+	     struct mlx5_flow_attr *attr)
+{
+	struct mlx5e_tc_flow_parse_attr *parse_attr = attr->parse_attr;
+	struct mlx5_esw_flow_attr *esw_attr = attr->esw_attr;
+	struct netlink_ext_ack *extack = parse_state->extack;
+	struct mlx5e_rep_priv *rpriv = priv->ppriv;
+	struct net_device *out_dev = act->dev;
+	struct net_device *uplink_dev;
+	struct mlx5e_priv *out_priv;
+	struct mlx5_eswitch *esw;
+	int *ifindexes;
+	int if_count;
+	int err;
+
+	esw = priv->mdev->priv.eswitch;
+	uplink_dev = mlx5_eswitch_uplink_get_proto_dev(esw, REP_ETH);
+	ifindexes = parse_state->ifindexes;
+	if_count = parse_state->if_count;
+
+	if (is_duplicated_output_device(priv->netdev, out_dev, ifindexes, if_count, extack))
+		return -EOPNOTSUPP;
+
+	parse_state->ifindexes[if_count] = out_dev->ifindex;
+	parse_state->if_count++;
+
+	out_dev = get_fdb_out_dev(uplink_dev, out_dev);
+	if (!out_dev)
+		return -ENODEV;
+
+	if (is_vlan_dev(out_dev)) {
+		err = mlx5e_tc_act_vlan_add_push_action(priv, attr, &out_dev, extack);
+		if (err)
+			return err;
+	}
+
+	if (is_vlan_dev(parse_attr->filter_dev)) {
+		err = mlx5e_tc_act_vlan_add_pop_action(priv, attr, extack);
+		if (err)
+			return err;
+	}
+
+	if (netif_is_macvlan(out_dev))
+		out_dev = macvlan_dev_real_dev(out_dev);
+
+	err = verify_uplink_forwarding(priv, attr, out_dev, extack);
+	if (err)
+		return err;
+
+	if (!mlx5e_is_valid_eswitch_fwd_dev(priv, out_dev)) {
+		NL_SET_ERR_MSG_MOD(extack,
+				   "devices are not on same switch HW, can't offload forwarding");
+		return -EOPNOTSUPP;
+	}
+
+	if (same_vf_reps(priv, out_dev)) {
+		NL_SET_ERR_MSG_MOD(extack, "can't forward from a VF to itself");
+		return -EOPNOTSUPP;
+	}
+
+	out_priv = netdev_priv(out_dev);
+	rpriv = out_priv->ppriv;
+	esw_attr->dests[esw_attr->out_count].rep = rpriv->rep;
+	esw_attr->dests[esw_attr->out_count].mdev = out_priv->mdev;
+	esw_attr->out_count++;
+
+	return 0;
+}
+
+static int
+parse_mirred_ovs_master(struct mlx5e_tc_act_parse_state *parse_state,
+			const struct flow_action_entry *act,
+			struct mlx5e_priv *priv,
+			struct mlx5_flow_attr *attr)
+{
+	struct mlx5_esw_flow_attr *esw_attr = attr->esw_attr;
+	struct net_device *out_dev = act->dev;
+	int err;
+
+	err = mlx5e_set_fwd_to_int_port_actions(priv, attr, out_dev->ifindex,
+						MLX5E_TC_INT_PORT_EGRESS,
+						&attr->action, esw_attr->out_count);
+	if (err)
+		return err;
+
+	esw_attr->out_count++;
+	return 0;
+}
+
+static int
+tc_act_parse_mirred(struct mlx5e_tc_act_parse_state *parse_state,
+		    const struct flow_action_entry *act,
+		    struct mlx5e_priv *priv,
+		    struct mlx5_flow_attr *attr)
+{
+	struct net_device *out_dev = act->dev;
+	int err = -EOPNOTSUPP;
+
+	if (parse_state->encap)
+		err = parse_mirred_encap(parse_state, act, attr);
+	else if (netdev_port_same_parent_id(priv->netdev, out_dev))
+		err = parse_mirred(parse_state, act, priv, attr);
+	else if (netif_is_ovs_master(out_dev))
+		err = parse_mirred_ovs_master(parse_state, act, priv, attr);
+
+	if (err)
+		return err;
+
+	attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST |
+			MLX5_FLOW_CONTEXT_ACTION_COUNT;
+
+	return 0;
+}
+
+struct mlx5e_tc_act mlx5e_tc_act_mirred = {
+	.can_offload = tc_act_can_offload_mirred,
+	.parse_action = tc_act_parse_mirred,
+};
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/tc/act/mirred_nic.c b/drivers/net/ethernet/mellanox/mlx5/core/en/tc/act/mirred_nic.c
new file mode 100644
index 000000000000..2c74567b6d25
--- /dev/null
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/tc/act/mirred_nic.c
@@ -0,0 +1,51 @@
+// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
+// Copyright (c) 2021, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
+
+#include "act.h"
+#include "en/tc_priv.h"
+
+static bool
+tc_act_can_offload_mirred_nic(struct mlx5e_tc_act_parse_state *parse_state,
+			      const struct flow_action_entry *act,
+			      int act_index)
+{
+	struct netlink_ext_ack *extack = parse_state->extack;
+	struct mlx5e_tc_flow *flow = parse_state->flow;
+	struct net_device *out_dev = act->dev;
+	struct mlx5e_priv *priv = flow->priv;
+
+	if (act->id != FLOW_ACTION_REDIRECT)
+		return false;
+
+	if (priv->netdev->netdev_ops != out_dev->netdev_ops ||
+	    !mlx5e_same_hw_devs(priv, netdev_priv(out_dev))) {
+		NL_SET_ERR_MSG_MOD(extack,
+				   "devices are not on same switch HW, can't offload forwarding");
+		netdev_warn(priv->netdev,
+			    "devices %s %s not on same switch HW, can't offload forwarding\n",
+			    netdev_name(priv->netdev),
+			    out_dev->name);
+		return false;
+	}
+
+	return true;
+}
+
+static int
+tc_act_parse_mirred_nic(struct mlx5e_tc_act_parse_state *parse_state,
+			const struct flow_action_entry *act,
+			struct mlx5e_priv *priv,
+			struct mlx5_flow_attr *attr)
+{
+	attr->parse_attr->mirred_ifindex[0] = act->dev->ifindex;
+	flow_flag_set(parse_state->flow, HAIRPIN);
+	attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST |
+			MLX5_FLOW_CONTEXT_ACTION_COUNT;
+
+	return 0;
+}
+
+struct mlx5e_tc_act mlx5e_tc_act_mirred_nic = {
+	.can_offload = tc_act_can_offload_mirred_nic,
+	.parse_action = tc_act_parse_mirred_nic,
+};
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/tc_priv.h b/drivers/net/ethernet/mellanox/mlx5/core/en/tc_priv.h
index 21adbdfe80bd..f832c26ff2c3 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/tc_priv.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/tc_priv.h
@@ -123,6 +123,7 @@ bool mlx5e_is_eswitch_flow(struct mlx5e_tc_flow *flow);
 bool mlx5e_is_ft_flow(struct mlx5e_tc_flow *flow);
 bool mlx5e_is_offloaded_flow(struct mlx5e_tc_flow *flow);
 int mlx5e_get_flow_namespace(struct mlx5e_tc_flow *flow);
+bool mlx5e_same_hw_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv);
 
 static inline void __flow_flag_set(struct mlx5e_tc_flow *flow, unsigned long flag)
 {
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
index 9602d2fb7736..d1e803098e0d 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
@@ -39,7 +39,6 @@
 #include <linux/rhashtable.h>
 #include <linux/refcount.h>
 #include <linux/completion.h>
-#include <linux/if_macvlan.h>
 #include <net/psample.h>
 #include <net/arp.h>
 #include <net/ipv6_stubs.h>
@@ -1302,8 +1301,6 @@ static void remove_unready_flow(struct mlx5e_tc_flow *flow)
 	mutex_unlock(&uplink_priv->unready_flows_lock);
 }
 
-static bool same_hw_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv);
-
 bool mlx5e_tc_is_vf_tunnel(struct net_device *out_dev, struct net_device *route_dev)
 {
 	struct mlx5_core_dev *out_mdev, *route_mdev;
@@ -1318,7 +1315,7 @@ bool mlx5e_tc_is_vf_tunnel(struct net_device *out_dev, struct net_device *route_
 	    route_mdev->coredev_type != MLX5_COREDEV_VF)
 		return false;
 
-	return same_hw_devs(out_priv, route_priv);
+	return mlx5e_same_hw_devs(out_priv, route_priv);
 }
 
 int mlx5e_tc_query_route_vport(struct net_device *out_dev, struct net_device *route_dev, u16 *vport)
@@ -3104,7 +3101,7 @@ static bool same_port_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv
 	return priv->mdev == peer_priv->mdev;
 }
 
-static bool same_hw_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv)
+bool mlx5e_same_hw_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv)
 {
 	struct mlx5_core_dev *fmdev, *pmdev;
 	u64 fsystem_guid, psystem_guid;
@@ -3118,13 +3115,6 @@ static bool same_hw_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv)
 	return (fsystem_guid == psystem_guid);
 }
 
-static bool same_vf_reps(struct mlx5e_priv *priv,
-			 struct net_device *out_dev)
-{
-	return mlx5e_eswitch_vf_rep(priv->netdev) &&
-	       priv->netdev == out_dev;
-}
-
 static int
 add_vlan_prio_tag_rewrite_action(struct mlx5e_priv *priv,
 				 struct mlx5e_tc_flow_parse_attr *parse_attr,
@@ -3234,24 +3224,6 @@ parse_tc_nic_actions(struct mlx5e_priv *priv,
 
 	flow_action_for_each(i, act, flow_action) {
 		switch (act->id) {
-		case FLOW_ACTION_REDIRECT: {
-			struct net_device *peer_dev = act->dev;
-
-			if (priv->netdev->netdev_ops == peer_dev->netdev_ops &&
-			    same_hw_devs(priv, netdev_priv(peer_dev))) {
-				parse_attr->mirred_ifindex[0] = peer_dev->ifindex;
-				flow_flag_set(flow, HAIRPIN);
-				attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST |
-						MLX5_FLOW_CONTEXT_ACTION_COUNT;
-			} else {
-				NL_SET_ERR_MSG_MOD(extack,
-						   "device is not on same HW, can't offload");
-				netdev_warn(priv->netdev, "device %s not on same HW, can't offload\n",
-					    peer_dev->name);
-				return -EOPNOTSUPP;
-			}
-			}
-			break;
 		case FLOW_ACTION_CT:
 			err = mlx5_tc_ct_parse_action(get_ct_priv(priv), attr,
 						      &parse_attr->mod_hdr_acts,
@@ -3304,29 +3276,7 @@ static bool is_merged_eswitch_vfs(struct mlx5e_priv *priv,
 	return (MLX5_CAP_ESW(priv->mdev, merged_eswitch) &&
 		mlx5e_eswitch_vf_rep(priv->netdev) &&
 		mlx5e_eswitch_vf_rep(peer_netdev) &&
-		same_hw_devs(priv, peer_priv));
-}
-
-static struct net_device *get_fdb_out_dev(struct net_device *uplink_dev,
-					  struct net_device *out_dev)
-{
-	struct net_device *fdb_out_dev = out_dev;
-	struct net_device *uplink_upper;
-
-	rcu_read_lock();
-	uplink_upper = netdev_master_upper_dev_get_rcu(uplink_dev);
-	if (uplink_upper && netif_is_lag_master(uplink_upper) &&
-	    uplink_upper == out_dev) {
-		fdb_out_dev = uplink_dev;
-	} else if (netif_is_lag_master(out_dev)) {
-		fdb_out_dev = bond_option_active_slave_get_rcu(netdev_priv(out_dev));
-		if (fdb_out_dev &&
-		    (!mlx5e_eswitch_rep(fdb_out_dev) ||
-		     !netdev_port_same_parent_id(fdb_out_dev, uplink_dev)))
-			fdb_out_dev = NULL;
-	}
-	rcu_read_unlock();
-	return fdb_out_dev;
+		mlx5e_same_hw_devs(priv, peer_priv));
 }
 
 static bool same_hw_reps(struct mlx5e_priv *priv,
@@ -3338,7 +3288,7 @@ static bool same_hw_reps(struct mlx5e_priv *priv,
 
 	return mlx5e_eswitch_rep(priv->netdev) &&
 	       mlx5e_eswitch_rep(peer_netdev) &&
-	       same_hw_devs(priv, peer_priv);
+	       mlx5e_same_hw_devs(priv, peer_priv);
 }
 
 static bool is_lag_dev(struct mlx5e_priv *priv,
@@ -3362,66 +3312,6 @@ bool mlx5e_is_valid_eswitch_fwd_dev(struct mlx5e_priv *priv,
 	       same_port_devs(priv, netdev_priv(out_dev));
 }
 
-static bool is_duplicated_output_device(struct net_device *dev,
-					struct net_device *out_dev,
-					int *ifindexes, int if_count,
-					struct netlink_ext_ack *extack)
-{
-	int i;
-
-	for (i = 0; i < if_count; i++) {
-		if (ifindexes[i] == out_dev->ifindex) {
-			NL_SET_ERR_MSG_MOD(extack,
-					   "can't duplicate output to same device");
-			netdev_err(dev, "can't duplicate output to same device: %s\n",
-				   out_dev->name);
-			return true;
-		}
-	}
-
-	return false;
-}
-
-static int verify_uplink_forwarding(struct mlx5e_priv *priv,
-				    struct mlx5e_tc_flow *flow,
-				    struct net_device *out_dev,
-				    struct netlink_ext_ack *extack)
-{
-	struct mlx5_esw_flow_attr *attr = flow->attr->esw_attr;
-	struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
-	struct mlx5e_rep_priv *rep_priv;
-
-	/* Forwarding non encapsulated traffic between
-	 * uplink ports is allowed only if
-	 * termination_table_raw_traffic cap is set.
-	 *
-	 * Input vport was stored attr->in_rep.
-	 * In LAG case, *priv* is the private data of
-	 * uplink which may be not the input vport.
-	 */
-	rep_priv = mlx5e_rep_to_rep_priv(attr->in_rep);
-
-	if (!(mlx5e_eswitch_uplink_rep(rep_priv->netdev) &&
-	      mlx5e_eswitch_uplink_rep(out_dev)))
-		return 0;
-
-	if (!MLX5_CAP_ESW_FLOWTABLE_FDB(esw->dev,
-					termination_table_raw_traffic)) {
-		NL_SET_ERR_MSG_MOD(extack,
-				   "devices are both uplink, can't offload forwarding");
-			pr_err("devices %s %s are both uplink, can't offload forwarding\n",
-			       priv->netdev->name, out_dev->name);
-			return -EOPNOTSUPP;
-	} else if (out_dev != rep_priv->netdev) {
-		NL_SET_ERR_MSG_MOD(extack,
-				   "devices are not the same uplink, can't offload forwarding");
-		pr_err("devices %s %s are both uplink but not the same, can't offload forwarding\n",
-		       priv->netdev->name, out_dev->name);
-		return -EOPNOTSUPP;
-	}
-	return 0;
-}
-
 int mlx5e_set_fwd_to_int_port_actions(struct mlx5e_priv *priv,
 				      struct mlx5_flow_attr *attr,
 				      int ifindex,
@@ -3469,18 +3359,15 @@ static int parse_tc_fdb_actions(struct mlx5e_priv *priv,
 	struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
 	struct mlx5e_tc_act_parse_state *parse_state;
 	struct mlx5e_tc_flow_parse_attr *parse_attr;
-	struct mlx5e_rep_priv *rpriv = priv->ppriv;
 	struct mlx5e_sample_attr sample_attr = {};
 	struct mlx5_flow_attr *attr = flow->attr;
-	int ifindexes[MLX5_MAX_FLOW_FWD_VPORTS];
-	bool ft_flow = mlx5e_is_ft_flow(flow);
 	enum mlx5_flow_namespace_type ns_type;
 	const struct flow_action_entry *act;
 	struct mlx5_esw_flow_attr *esw_attr;
 	struct pedit_headers_action *hdrs;
 	struct mlx5e_tc_act *tc_act;
-	int err, i, if_count = 0;
 	bool ptype_host = false;
+	int err, i;
 
 	err = flow_action_supported(flow_action, extack);
 	if (err)
@@ -3548,144 +3435,6 @@ static int parse_tc_fdb_actions(struct mlx5e_priv *priv,
 
 			break;
 		}
-		case FLOW_ACTION_REDIRECT:
-		case FLOW_ACTION_MIRRED: {
-			struct mlx5e_priv *out_priv;
-			struct net_device *out_dev;
-
-			out_dev = act->dev;
-			if (!out_dev) {
-				/* out_dev is NULL when filters with
-				 * non-existing mirred device are replayed to
-				 * the driver.
-				 */
-				return -EINVAL;
-			}
-
-			if (parse_state->mpls_push && !netif_is_bareudp(out_dev)) {
-				NL_SET_ERR_MSG_MOD(extack,
-						   "mpls is supported only through a bareudp device");
-				return -EOPNOTSUPP;
-			}
-
-			if (ft_flow && out_dev == priv->netdev) {
-				/* Ignore forward to self rules generated
-				 * by adding both mlx5 devs to the flow table
-				 * block on a normal nft offload setup.
-				 */
-				return -EOPNOTSUPP;
-			}
-
-			if (esw_attr->out_count >= MLX5_MAX_FLOW_FWD_VPORTS) {
-				NL_SET_ERR_MSG_MOD(extack,
-						   "can't support more output ports, can't offload forwarding");
-				netdev_warn(priv->netdev,
-					    "can't support more than %d output ports, can't offload forwarding\n",
-					    esw_attr->out_count);
-				return -EOPNOTSUPP;
-			}
-
-			attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST |
-					MLX5_FLOW_CONTEXT_ACTION_COUNT;
-			if (parse_state->encap) {
-				parse_attr->mirred_ifindex[esw_attr->out_count] =
-					out_dev->ifindex;
-				parse_attr->tun_info[esw_attr->out_count] =
-					mlx5e_dup_tun_info(parse_state->tun_info);
-				if (!parse_attr->tun_info[esw_attr->out_count])
-					return -ENOMEM;
-				parse_state->encap = false;
-				esw_attr->dests[esw_attr->out_count].flags |=
-					MLX5_ESW_DEST_ENCAP;
-				esw_attr->out_count++;
-				/* attr->dests[].rep is resolved when we
-				 * handle encap
-				 */
-			} else if (netdev_port_same_parent_id(priv->netdev, out_dev)) {
-				struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
-				struct net_device *uplink_dev = mlx5_eswitch_uplink_get_proto_dev(esw, REP_ETH);
-
-				if (is_duplicated_output_device(priv->netdev,
-								out_dev,
-								ifindexes,
-								if_count,
-								extack))
-					return -EOPNOTSUPP;
-
-				ifindexes[if_count] = out_dev->ifindex;
-				if_count++;
-
-				out_dev = get_fdb_out_dev(uplink_dev, out_dev);
-				if (!out_dev)
-					return -ENODEV;
-
-				if (is_vlan_dev(out_dev)) {
-					err = mlx5e_tc_act_vlan_add_push_action(priv, attr,
-										&out_dev,
-										extack);
-					if (err)
-						return err;
-				}
-
-				if (is_vlan_dev(parse_attr->filter_dev)) {
-					err = mlx5e_tc_act_vlan_add_pop_action(priv, attr,
-									       extack);
-					if (err)
-						return err;
-				}
-
-				if (netif_is_macvlan(out_dev))
-					out_dev = macvlan_dev_real_dev(out_dev);
-
-				err = verify_uplink_forwarding(priv, flow, out_dev, extack);
-				if (err)
-					return err;
-
-				if (!mlx5e_is_valid_eswitch_fwd_dev(priv, out_dev)) {
-					NL_SET_ERR_MSG_MOD(extack,
-							   "devices are not on same switch HW, can't offload forwarding");
-					return -EOPNOTSUPP;
-				}
-
-				if (same_vf_reps(priv, out_dev)) {
-					NL_SET_ERR_MSG_MOD(extack,
-							   "can't forward from a VF to itself");
-					return -EOPNOTSUPP;
-				}
-
-				out_priv = netdev_priv(out_dev);
-				rpriv = out_priv->ppriv;
-				esw_attr->dests[esw_attr->out_count].rep = rpriv->rep;
-				esw_attr->dests[esw_attr->out_count].mdev = out_priv->mdev;
-				esw_attr->out_count++;
-			} else if (netif_is_ovs_master(out_dev)) {
-				err = mlx5e_set_fwd_to_int_port_actions(priv, attr,
-									out_dev->ifindex,
-									MLX5E_TC_INT_PORT_EGRESS,
-									&attr->action,
-									esw_attr->out_count);
-				if (err)
-					return err;
-
-				esw_attr->out_count++;
-			} else if (parse_attr->filter_dev != priv->netdev) {
-				/* All mlx5 devices are called to configure
-				 * high level device filters. Therefore, the
-				 * *attempt* to  install a filter on invalid
-				 * eswitch should not trigger an explicit error
-				 */
-				return -EINVAL;
-			} else {
-				NL_SET_ERR_MSG_MOD(extack,
-						   "devices are not on same switch HW, can't offload forwarding");
-				netdev_warn(priv->netdev,
-					    "devices %s %s not on same switch HW, can't offload forwarding\n",
-					    priv->netdev->name,
-					    out_dev->name);
-				return -EOPNOTSUPP;
-			}
-			}
-			break;
 		case FLOW_ACTION_CT:
 			if (flow_flag_test(flow, SAMPLE)) {
 				NL_SET_ERR_MSG_MOD(extack, "Sample action with connection tracking is not supported");
@@ -4478,7 +4227,7 @@ static void mlx5e_tc_hairpin_update_dead_peer(struct mlx5e_priv *priv,
 	u16 peer_vhca_id;
 	int bkt;
 
-	if (!same_hw_devs(priv, peer_priv))
+	if (!mlx5e_same_hw_devs(priv, peer_priv))
 		return;
 
 	peer_vhca_id = MLX5_CAP_GEN(peer_mdev, vhca_id);
-- 
2.31.1