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-rw-r--r--net/bridge/br_netlink.c30
-rw-r--r--net/bridge/br_private.h4
-rw-r--r--net/core/rtnetlink.c10
-rw-r--r--net/switchdev/switchdev.c110
4 files changed, 143 insertions, 11 deletions
diff --git a/net/bridge/br_netlink.c b/net/bridge/br_netlink.c
index e08b260f33fe..b93f42c515da 100644
--- a/net/bridge/br_netlink.c
+++ b/net/bridge/br_netlink.c
@@ -16,6 +16,7 @@
#include <net/rtnetlink.h>
#include <net/net_namespace.h>
#include <net/sock.h>
+#include <net/switchdev.h>
#include <uapi/linux/if_bridge.h>
#include "br_private.h"
@@ -494,13 +495,13 @@ static int br_setport(struct net_bridge_port *p, struct nlattr *tb[])
}
/* Change state and parameters on port. */
-int br_setlink(struct net_device *dev, struct nlmsghdr *nlh)
+int br_setlink(struct net_device *dev, struct nlmsghdr *nlh, u16 flags)
{
struct nlattr *protinfo;
struct nlattr *afspec;
struct net_bridge_port *p;
struct nlattr *tb[IFLA_BRPORT_MAX + 1];
- int err = 0;
+ int err = 0, ret_offload = 0;
protinfo = nlmsg_find_attr(nlh, sizeof(struct ifinfomsg), IFLA_PROTINFO);
afspec = nlmsg_find_attr(nlh, sizeof(struct ifinfomsg), IFLA_AF_SPEC);
@@ -542,19 +543,28 @@ int br_setlink(struct net_device *dev, struct nlmsghdr *nlh)
afspec, RTM_SETLINK);
}
+ if (!(flags & BRIDGE_FLAGS_SELF)) {
+ /* set bridge attributes in hardware if supported
+ */
+ ret_offload = netdev_switch_port_bridge_setlink(dev, nlh,
+ flags);
+ if (ret_offload && ret_offload != -EOPNOTSUPP)
+ br_warn(p->br, "error setting attrs on port %u(%s)\n",
+ (unsigned int)p->port_no, p->dev->name);
+ }
+
if (err == 0)
br_ifinfo_notify(RTM_NEWLINK, p);
-
out:
return err;
}
/* Delete port information */
-int br_dellink(struct net_device *dev, struct nlmsghdr *nlh)
+int br_dellink(struct net_device *dev, struct nlmsghdr *nlh, u16 flags)
{
struct nlattr *afspec;
struct net_bridge_port *p;
- int err;
+ int err = 0, ret_offload = 0;
afspec = nlmsg_find_attr(nlh, sizeof(struct ifinfomsg), IFLA_AF_SPEC);
if (!afspec)
@@ -573,6 +583,16 @@ int br_dellink(struct net_device *dev, struct nlmsghdr *nlh)
*/
br_ifinfo_notify(RTM_NEWLINK, p);
+ if (!(flags & BRIDGE_FLAGS_SELF)) {
+ /* del bridge attributes in hardware
+ */
+ ret_offload = netdev_switch_port_bridge_dellink(dev, nlh,
+ flags);
+ if (ret_offload && ret_offload != -EOPNOTSUPP)
+ br_warn(p->br, "error deleting attrs on port %u (%s)\n",
+ (unsigned int)p->port_no, p->dev->name);
+ }
+
return err;
}
static int br_validate(struct nlattr *tb[], struct nlattr *data[])
diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h
index e8e3f3681680..de0919975a25 100644
--- a/net/bridge/br_private.h
+++ b/net/bridge/br_private.h
@@ -819,8 +819,8 @@ extern struct rtnl_link_ops br_link_ops;
int br_netlink_init(void);
void br_netlink_fini(void);
void br_ifinfo_notify(int event, struct net_bridge_port *port);
-int br_setlink(struct net_device *dev, struct nlmsghdr *nlmsg);
-int br_dellink(struct net_device *dev, struct nlmsghdr *nlmsg);
+int br_setlink(struct net_device *dev, struct nlmsghdr *nlmsg, u16 flags);
+int br_dellink(struct net_device *dev, struct nlmsghdr *nlmsg, u16 flags);
int br_getlink(struct sk_buff *skb, u32 pid, u32 seq, struct net_device *dev,
u32 filter_mask);
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index fedd7ab4085a..673cb4c6f391 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -2991,7 +2991,7 @@ static int rtnl_bridge_setlink(struct sk_buff *skb, struct nlmsghdr *nlh)
goto out;
}
- err = br_dev->netdev_ops->ndo_bridge_setlink(dev, nlh);
+ err = br_dev->netdev_ops->ndo_bridge_setlink(dev, nlh, flags);
if (err)
goto out;
@@ -3002,7 +3002,8 @@ static int rtnl_bridge_setlink(struct sk_buff *skb, struct nlmsghdr *nlh)
if (!dev->netdev_ops->ndo_bridge_setlink)
err = -EOPNOTSUPP;
else
- err = dev->netdev_ops->ndo_bridge_setlink(dev, nlh);
+ err = dev->netdev_ops->ndo_bridge_setlink(dev, nlh,
+ flags);
if (!err) {
flags &= ~BRIDGE_FLAGS_SELF;
@@ -3064,7 +3065,7 @@ static int rtnl_bridge_dellink(struct sk_buff *skb, struct nlmsghdr *nlh)
goto out;
}
- err = br_dev->netdev_ops->ndo_bridge_dellink(dev, nlh);
+ err = br_dev->netdev_ops->ndo_bridge_dellink(dev, nlh, flags);
if (err)
goto out;
@@ -3075,7 +3076,8 @@ static int rtnl_bridge_dellink(struct sk_buff *skb, struct nlmsghdr *nlh)
if (!dev->netdev_ops->ndo_bridge_dellink)
err = -EOPNOTSUPP;
else
- err = dev->netdev_ops->ndo_bridge_dellink(dev, nlh);
+ err = dev->netdev_ops->ndo_bridge_dellink(dev, nlh,
+ flags);
if (!err) {
flags &= ~BRIDGE_FLAGS_SELF;
diff --git a/net/switchdev/switchdev.c b/net/switchdev/switchdev.c
index 22e02f4edd99..8c1e558db118 100644
--- a/net/switchdev/switchdev.c
+++ b/net/switchdev/switchdev.c
@@ -115,3 +115,113 @@ int call_netdev_switch_notifiers(unsigned long val, struct net_device *dev,
return err;
}
EXPORT_SYMBOL(call_netdev_switch_notifiers);
+
+/**
+ * netdev_switch_port_bridge_setlink - Notify switch device port of bridge
+ * port attributes
+ *
+ * @dev: port device
+ * @nlh: netlink msg with bridge port attributes
+ * @flags: bridge setlink flags
+ *
+ * Notify switch device port of bridge port attributes
+ */
+int netdev_switch_port_bridge_setlink(struct net_device *dev,
+ struct nlmsghdr *nlh, u16 flags)
+{
+ const struct net_device_ops *ops = dev->netdev_ops;
+
+ if (!(dev->features & NETIF_F_HW_SWITCH_OFFLOAD))
+ return 0;
+
+ if (!ops->ndo_bridge_setlink)
+ return -EOPNOTSUPP;
+
+ return ops->ndo_bridge_setlink(dev, nlh, flags);
+}
+EXPORT_SYMBOL(netdev_switch_port_bridge_setlink);
+
+/**
+ * netdev_switch_port_bridge_dellink - Notify switch device port of bridge
+ * port attribute delete
+ *
+ * @dev: port device
+ * @nlh: netlink msg with bridge port attributes
+ * @flags: bridge setlink flags
+ *
+ * Notify switch device port of bridge port attribute delete
+ */
+int netdev_switch_port_bridge_dellink(struct net_device *dev,
+ struct nlmsghdr *nlh, u16 flags)
+{
+ const struct net_device_ops *ops = dev->netdev_ops;
+
+ if (!(dev->features & NETIF_F_HW_SWITCH_OFFLOAD))
+ return 0;
+
+ if (!ops->ndo_bridge_dellink)
+ return -EOPNOTSUPP;
+
+ return ops->ndo_bridge_dellink(dev, nlh, flags);
+}
+EXPORT_SYMBOL(netdev_switch_port_bridge_dellink);
+
+/**
+ * ndo_dflt_netdev_switch_port_bridge_setlink - default ndo bridge setlink
+ * op for master devices
+ *
+ * @dev: port device
+ * @nlh: netlink msg with bridge port attributes
+ * @flags: bridge setlink flags
+ *
+ * Notify master device slaves of bridge port attributes
+ */
+int ndo_dflt_netdev_switch_port_bridge_setlink(struct net_device *dev,
+ struct nlmsghdr *nlh, u16 flags)
+{
+ struct net_device *lower_dev;
+ struct list_head *iter;
+ int ret = 0, err = 0;
+
+ if (!(dev->features & NETIF_F_HW_SWITCH_OFFLOAD))
+ return ret;
+
+ netdev_for_each_lower_dev(dev, lower_dev, iter) {
+ err = netdev_switch_port_bridge_setlink(lower_dev, nlh, flags);
+ if (err && err != -EOPNOTSUPP)
+ ret = err;
+ }
+
+ return ret;
+}
+EXPORT_SYMBOL(ndo_dflt_netdev_switch_port_bridge_setlink);
+
+/**
+ * ndo_dflt_netdev_switch_port_bridge_dellink - default ndo bridge dellink
+ * op for master devices
+ *
+ * @dev: port device
+ * @nlh: netlink msg with bridge port attributes
+ * @flags: bridge dellink flags
+ *
+ * Notify master device slaves of bridge port attribute deletes
+ */
+int ndo_dflt_netdev_switch_port_bridge_dellink(struct net_device *dev,
+ struct nlmsghdr *nlh, u16 flags)
+{
+ struct net_device *lower_dev;
+ struct list_head *iter;
+ int ret = 0, err = 0;
+
+ if (!(dev->features & NETIF_F_HW_SWITCH_OFFLOAD))
+ return ret;
+
+ netdev_for_each_lower_dev(dev, lower_dev, iter) {
+ err = netdev_switch_port_bridge_dellink(lower_dev, nlh, flags);
+ if (err && err != -EOPNOTSUPP)
+ ret = err;
+ }
+
+ return ret;
+}
+EXPORT_SYMBOL(ndo_dflt_netdev_switch_port_bridge_dellink);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.