8 files changed, 22 insertions, 0 deletions

diff --git a/include/net/switchdev.h b/include/net/switchdev.h
index 1d22ce9f352e..6612946167fe 100644
--- a/include/net/switchdev.h
+++ b/include/net/switchdev.h
@@ -50,6 +50,7 @@ enum switchdev_attr_id {
 };
 
 struct switchdev_attr {
+        struct net_device *orig_dev;
         enum switchdev_attr_id id;
         u32 flags;
         union {
@@ -68,6 +69,7 @@ enum switchdev_obj_id {
 };
 
 struct switchdev_obj {
+        struct net_device *orig_dev;
         enum switchdev_obj_id id;
         u32 flags;
 };
diff --git a/net/bridge/br_fdb.c b/net/bridge/br_fdb.c
index a642bb829d09..82e3e9705017 100644
--- a/net/bridge/br_fdb.c
+++ b/net/bridge/br_fdb.c
@@ -135,6 +135,7 @@ static void fdb_del_external_learn(struct net_bridge_fdb_entry *f)
 {
         struct switchdev_obj_port_fdb fdb = {
                 .obj = {
+                        .orig_dev = f->dst->dev,
                         .id = SWITCHDEV_OBJ_ID_PORT_FDB,
                         .flags = SWITCHDEV_F_DEFER,
                 },
diff --git a/net/bridge/br_stp.c b/net/bridge/br_stp.c
index 5f3f64553179..b3cca126b103 100644
--- a/net/bridge/br_stp.c
+++ b/net/bridge/br_stp.c
@@ -40,6 +40,7 @@ void br_log_state(const struct net_bridge_port *p)
 void br_set_state(struct net_bridge_port *p, unsigned int state)
 {
         struct switchdev_attr attr = {
+                .orig_dev = p->dev,
                 .id = SWITCHDEV_ATTR_ID_PORT_STP_STATE,
                 .flags = SWITCHDEV_F_DEFER,
                 .u.stp_state = state,
@@ -570,6 +571,7 @@ int br_set_max_age(struct net_bridge *br, unsigned long val)
 int br_set_ageing_time(struct net_bridge *br, u32 ageing_time)
 {
         struct switchdev_attr attr = {
+                .orig_dev = br->dev,
                 .id = SWITCHDEV_ATTR_ID_BRIDGE_AGEING_TIME,
                 .flags = SWITCHDEV_F_SKIP_EOPNOTSUPP,
                 .u.ageing_time = ageing_time,
diff --git a/net/bridge/br_stp_if.c b/net/bridge/br_stp_if.c
index 5396ff08af32..775e00fbeb1e 100644
--- a/net/bridge/br_stp_if.c
+++ b/net/bridge/br_stp_if.c
@@ -37,6 +37,7 @@ static inline port_id br_make_port_id(__u8 priority, __u16 port_no)
 void br_init_port(struct net_bridge_port *p)
 {
         struct switchdev_attr attr = {
+                .orig_dev = p->dev,
                 .id = SWITCHDEV_ATTR_ID_BRIDGE_AGEING_TIME,
                 .flags = SWITCHDEV_F_SKIP_EOPNOTSUPP | SWITCHDEV_F_DEFER,
                 .u.ageing_time = p->br->ageing_time,
diff --git a/net/bridge/br_vlan.c b/net/bridge/br_vlan.c
index 1394da63614a..66c4549efbbb 100644
--- a/net/bridge/br_vlan.c
+++ b/net/bridge/br_vlan.c
@@ -73,6 +73,7 @@ static int __vlan_vid_add(struct net_device *dev, struct net_bridge *br,
                           u16 vid, u16 flags)
 {
         struct switchdev_obj_port_vlan v = {
+                .obj.orig_dev = dev,
                 .obj.id = SWITCHDEV_OBJ_ID_PORT_VLAN,
                 .flags = flags,
                 .vid_begin = vid,
@@ -120,6 +121,7 @@ static int __vlan_vid_del(struct net_device *dev, struct net_bridge *br,
                           u16 vid)
 {
         struct switchdev_obj_port_vlan v = {
+                .obj.orig_dev = dev,
                 .obj.id = SWITCHDEV_OBJ_ID_PORT_VLAN,
                 .vid_begin = vid,
                 .vid_end = vid,
diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c
index f88a62ab019d..bca8c350e7f3 100644
--- a/net/core/net-sysfs.c
+++ b/net/core/net-sysfs.c
@@ -471,6 +471,7 @@ static ssize_t phys_switch_id_show(struct device *dev,
 
         if (dev_isalive(netdev)) {
                 struct switchdev_attr attr = {
+                        .orig_dev = netdev,
                         .id = SWITCHDEV_ATTR_ID_PORT_PARENT_ID,
                         .flags = SWITCHDEV_F_NO_RECURSE,
                 };
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 34ba7a08876d..d8b0113d3eec 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -1027,6 +1027,7 @@ static int rtnl_phys_switch_id_fill(struct sk_buff *skb, struct net_device *dev)
 {
         int err;
         struct switchdev_attr attr = {
+                .orig_dev = dev,
                 .id = SWITCHDEV_ATTR_ID_PORT_PARENT_ID,
                 .flags = SWITCHDEV_F_NO_RECURSE,
         };
diff --git a/net/switchdev/switchdev.c b/net/switchdev/switchdev.c
index f34e535e93bd..df790d3385a2 100644
--- a/net/switchdev/switchdev.c
+++ b/net/switchdev/switchdev.c
@@ -723,6 +723,7 @@ static int switchdev_port_vlan_fill(struct sk_buff *skb, struct net_device *dev,
                                     u32 filter_mask)
 {
         struct switchdev_vlan_dump dump = {
+                .vlan.obj.orig_dev = dev,
                 .vlan.obj.id = SWITCHDEV_OBJ_ID_PORT_VLAN,
                 .skb = skb,
                 .filter_mask = filter_mask,
@@ -757,6 +758,7 @@ int switchdev_port_bridge_getlink(struct sk_buff *skb, u32 pid, u32 seq,
                                   int nlflags)
 {
         struct switchdev_attr attr = {
+                .orig_dev = dev,
                 .id = SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS,
         };
         u16 mode = BRIDGE_MODE_UNDEF;
@@ -778,6 +780,7 @@ static int switchdev_port_br_setflag(struct net_device *dev,
                                      unsigned long brport_flag)
 {
         struct switchdev_attr attr = {
+                .orig_dev = dev,
                 .id = SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS,
         };
         u8 flag = nla_get_u8(nlattr);
@@ -853,6 +856,7 @@ static int switchdev_port_br_afspec(struct net_device *dev,
         struct nlattr *attr;
         struct bridge_vlan_info *vinfo;
         struct switchdev_obj_port_vlan vlan = {
+                .obj.orig_dev = dev,
                 .obj.id = SWITCHDEV_OBJ_ID_PORT_VLAN,
         };
         int rem;
@@ -975,6 +979,7 @@ int switchdev_port_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
                            u16 vid, u16 nlm_flags)
 {
         struct switchdev_obj_port_fdb fdb = {
+                .obj.orig_dev = dev,
                 .obj.id = SWITCHDEV_OBJ_ID_PORT_FDB,
                 .vid = vid,
         };
@@ -1000,6 +1005,7 @@ int switchdev_port_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
                            u16 vid)
 {
         struct switchdev_obj_port_fdb fdb = {
+                .obj.orig_dev = dev,
                 .obj.id = SWITCHDEV_OBJ_ID_PORT_FDB,
                 .vid = vid,
         };
@@ -1077,6 +1083,7 @@ int switchdev_port_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb,
                             struct net_device *filter_dev, int idx)
 {
         struct switchdev_fdb_dump dump = {
+                .fdb.obj.orig_dev = dev,
                 .fdb.obj.id = SWITCHDEV_OBJ_ID_PORT_FDB,
                 .dev = dev,
                 .skb = skb,
@@ -1135,6 +1142,7 @@ static struct net_device *switchdev_get_dev_by_nhs(struct fib_info *fi)
                 if (!dev)
                         return NULL;
 
+                attr.orig_dev = dev;
                 if (switchdev_port_attr_get(dev, &attr))
                         return NULL;
 
@@ -1194,6 +1202,7 @@ int switchdev_fib_ipv4_add(u32 dst, int dst_len, struct fib_info *fi,
         if (!dev)
                 return 0;
 
+        ipv4_fib.obj.orig_dev = dev;
         err = switchdev_port_obj_add(dev, &ipv4_fib.obj);
         if (!err)
                 fi->fib_flags |= RTNH_F_OFFLOAD;
@@ -1238,6 +1247,7 @@ int switchdev_fib_ipv4_del(u32 dst, int dst_len, struct fib_info *fi,
         if (!dev)
                 return 0;
 
+        ipv4_fib.obj.orig_dev = dev;
         err = switchdev_port_obj_del(dev, &ipv4_fib.obj);
         if (!err)
                 fi->fib_flags &= ~RTNH_F_OFFLOAD;
@@ -1270,10 +1280,12 @@ static bool switchdev_port_same_parent_id(struct net_device *a,
                                           struct net_device *b)
 {
         struct switchdev_attr a_attr = {
+                .orig_dev = a,
                 .id = SWITCHDEV_ATTR_ID_PORT_PARENT_ID,
                 .flags = SWITCHDEV_F_NO_RECURSE,
         };
         struct switchdev_attr b_attr = {
+                .orig_dev = b,
                 .id = SWITCHDEV_ATTR_ID_PORT_PARENT_ID,
                 .flags = SWITCHDEV_F_NO_RECURSE,
         };