diff options
Diffstat (limited to '')
-rw-r--r-- | net/bridge/br_netlink.c | 87 | ||||
-rw-r--r-- | net/bridge/br_private.h | 10 | ||||
-rw-r--r-- | net/bridge/br_switchdev.c | 43 |
3 files changed, 119 insertions, 21 deletions
diff --git a/net/bridge/br_netlink.c b/net/bridge/br_netlink.c index 3bcda556971e..63dca347b73b 100644 --- a/net/bridge/br_netlink.c +++ b/net/bridge/br_netlink.c @@ -662,16 +662,26 @@ static int br_set_port_state(struct net_bridge_port *p, u8 state) } /* Set/clear or port flags based on attribute */ -static void br_set_port_flag(struct net_bridge_port *p, struct nlattr *tb[], - int attrtype, unsigned long mask) +static int br_set_port_flag(struct net_bridge_port *p, struct nlattr *tb[], + int attrtype, unsigned long mask) { - if (tb[attrtype]) { - u8 flag = nla_get_u8(tb[attrtype]); - if (flag) - p->flags |= mask; - else - p->flags &= ~mask; - } + unsigned long flags; + int err; + + if (!tb[attrtype]) + return 0; + + if (nla_get_u8(tb[attrtype])) + flags = p->flags | mask; + else + flags = p->flags & ~mask; + + err = br_switchdev_set_port_flag(p, flags, mask); + if (err) + return err; + + p->flags = flags; + return 0; } /* Process bridge protocol info on port */ @@ -681,20 +691,55 @@ static int br_setport(struct net_bridge_port *p, struct nlattr *tb[]) bool br_vlan_tunnel_old = false; int err; - br_set_port_flag(p, tb, IFLA_BRPORT_MODE, BR_HAIRPIN_MODE); - br_set_port_flag(p, tb, IFLA_BRPORT_GUARD, BR_BPDU_GUARD); - br_set_port_flag(p, tb, IFLA_BRPORT_FAST_LEAVE, BR_MULTICAST_FAST_LEAVE); - br_set_port_flag(p, tb, IFLA_BRPORT_PROTECT, BR_ROOT_BLOCK); - br_set_port_flag(p, tb, IFLA_BRPORT_LEARNING, BR_LEARNING); - br_set_port_flag(p, tb, IFLA_BRPORT_UNICAST_FLOOD, BR_FLOOD); - br_set_port_flag(p, tb, IFLA_BRPORT_MCAST_FLOOD, BR_MCAST_FLOOD); - br_set_port_flag(p, tb, IFLA_BRPORT_MCAST_TO_UCAST, BR_MULTICAST_TO_UNICAST); - br_set_port_flag(p, tb, IFLA_BRPORT_BCAST_FLOOD, BR_BCAST_FLOOD); - br_set_port_flag(p, tb, IFLA_BRPORT_PROXYARP, BR_PROXYARP); - br_set_port_flag(p, tb, IFLA_BRPORT_PROXYARP_WIFI, BR_PROXYARP_WIFI); + err = br_set_port_flag(p, tb, IFLA_BRPORT_MODE, BR_HAIRPIN_MODE); + if (err) + return err; + + err = br_set_port_flag(p, tb, IFLA_BRPORT_GUARD, BR_BPDU_GUARD); + if (err) + return err; + + err = br_set_port_flag(p, tb, IFLA_BRPORT_FAST_LEAVE, BR_MULTICAST_FAST_LEAVE); + if (err) + return err; + + err = br_set_port_flag(p, tb, IFLA_BRPORT_PROTECT, BR_ROOT_BLOCK); + if (err) + return err; + + err = br_set_port_flag(p, tb, IFLA_BRPORT_LEARNING, BR_LEARNING); + if (err) + return err; + + err = br_set_port_flag(p, tb, IFLA_BRPORT_UNICAST_FLOOD, BR_FLOOD); + if (err) + return err; + + err = br_set_port_flag(p, tb, IFLA_BRPORT_MCAST_FLOOD, BR_MCAST_FLOOD); + if (err) + return err; + + err = br_set_port_flag(p, tb, IFLA_BRPORT_MCAST_TO_UCAST, BR_MULTICAST_TO_UNICAST); + if (err) + return err; + + err = br_set_port_flag(p, tb, IFLA_BRPORT_BCAST_FLOOD, BR_BCAST_FLOOD); + if (err) + return err; + + err = br_set_port_flag(p, tb, IFLA_BRPORT_PROXYARP, BR_PROXYARP); + if (err) + return err; + + err = br_set_port_flag(p, tb, IFLA_BRPORT_PROXYARP_WIFI, BR_PROXYARP_WIFI); + if (err) + return err; br_vlan_tunnel_old = (p->flags & BR_VLAN_TUNNEL) ? true : false; - br_set_port_flag(p, tb, IFLA_BRPORT_VLAN_TUNNEL, BR_VLAN_TUNNEL); + err = br_set_port_flag(p, tb, IFLA_BRPORT_VLAN_TUNNEL, BR_VLAN_TUNNEL); + if (err) + return err; + if (br_vlan_tunnel_old && !(p->flags & BR_VLAN_TUNNEL)) nbp_vlan_tunnel_info_flush(p); diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h index 20626927f433..7f439927a66d 100644 --- a/net/bridge/br_private.h +++ b/net/bridge/br_private.h @@ -1076,6 +1076,9 @@ void nbp_switchdev_frame_mark(const struct net_bridge_port *p, struct sk_buff *skb); bool nbp_switchdev_allowed_egress(const struct net_bridge_port *p, const struct sk_buff *skb); +int br_switchdev_set_port_flag(struct net_bridge_port *p, + unsigned long flags, + unsigned long mask); #else static inline int nbp_switchdev_mark_set(struct net_bridge_port *p) { @@ -1092,6 +1095,13 @@ static inline bool nbp_switchdev_allowed_egress(const struct net_bridge_port *p, { return true; } + +static inline int br_switchdev_set_port_flag(struct net_bridge_port *p, + unsigned long flags, + unsigned long mask) +{ + return 0; +} #endif /* CONFIG_NET_SWITCHDEV */ #endif diff --git a/net/bridge/br_switchdev.c b/net/bridge/br_switchdev.c index f4097b900de1..b975959ac15a 100644 --- a/net/bridge/br_switchdev.c +++ b/net/bridge/br_switchdev.c @@ -55,3 +55,46 @@ bool nbp_switchdev_allowed_egress(const struct net_bridge_port *p, return !skb->offload_fwd_mark || BR_INPUT_SKB_CB(skb)->offload_fwd_mark != p->offload_fwd_mark; } + +/* Flags that can be offloaded to hardware */ +#define BR_PORT_FLAGS_HW_OFFLOAD (BR_LEARNING | BR_FLOOD | \ + BR_MCAST_FLOOD | BR_BCAST_FLOOD) + +int br_switchdev_set_port_flag(struct net_bridge_port *p, + unsigned long flags, + unsigned long mask) +{ + struct switchdev_attr attr = { + .orig_dev = p->dev, + .id = SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS_SUPPORT, + }; + int err; + + if (mask & ~BR_PORT_FLAGS_HW_OFFLOAD) + return 0; + + err = switchdev_port_attr_get(p->dev, &attr); + if (err == -EOPNOTSUPP) + return 0; + if (err) + return err; + + /* Check if specific bridge flag attribute offload is supported */ + if (!(attr.u.brport_flags_support & mask)) { + br_warn(p->br, "bridge flag offload is not supported %u(%s)\n", + (unsigned int)p->port_no, p->dev->name); + return -EOPNOTSUPP; + } + + attr.id = SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS; + attr.flags = SWITCHDEV_F_DEFER; + attr.u.brport_flags = flags; + err = switchdev_port_attr_set(p->dev, &attr); + if (err) { + br_warn(p->br, "error setting offload flag on port %u(%s)\n", + (unsigned int)p->port_no, p->dev->name); + return err; + } + + return 0; +} |