diff options
| author | Lorenzo Bianconi <lorenzo@kernel.org> | 2023-05-04 11:52:49 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2023-05-05 09:34:23 +0100 |
| commit | cb9e6e584d58420df182102674e636fb841dae4c (patch) | |
| tree | bc5e9eedb88b2cd0203b9e081c4baf3ce8ad1bdb /drivers | |
| parent | d7385ba137711ea71527a605cac162610a621de8 (diff) | |
| download | lwn-cb9e6e584d58420df182102674e636fb841dae4c.tar.gz lwn-cb9e6e584d58420df182102674e636fb841dae4c.zip | |
bonding: add xdp_features support
Introduce xdp_features support for bonding driver according to the slave
devices attached to the master one. xdp_features is required whenever we
want to xdp_redirect traffic into a bond device and then into selected
slaves attached to it.
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Acked-by: Jay Vosburgh <jay.vosburgh@canonical.com>
Fixes: 66c0e13ad236 ("drivers: net: turn on XDP features")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Reviewed-by: Jussi Maki <joamaki@gmail.com>
Tested-by: Jussi Maki <joamaki@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/bonding/bond_main.c | 29 | ||||
| -rw-r--r-- | drivers/net/bonding/bond_options.c | 2 |
2 files changed, 31 insertions, 0 deletions
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 710548dbd0c1..3fed888629f7 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -1789,6 +1789,26 @@ static void bond_ether_setup(struct net_device *bond_dev) bond_dev->priv_flags &= ~IFF_TX_SKB_SHARING; } +void bond_xdp_set_features(struct net_device *bond_dev) +{ + struct bonding *bond = netdev_priv(bond_dev); + xdp_features_t val = NETDEV_XDP_ACT_MASK; + struct list_head *iter; + struct slave *slave; + + ASSERT_RTNL(); + + if (!bond_xdp_check(bond)) { + xdp_clear_features_flag(bond_dev); + return; + } + + bond_for_each_slave(bond, slave, iter) + val &= slave->dev->xdp_features; + + xdp_set_features_flag(bond_dev, val); +} + /* enslave device <slave> to bond device <master> */ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev, struct netlink_ext_ack *extack) @@ -2236,6 +2256,8 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev, bpf_prog_inc(bond->xdp_prog); } + bond_xdp_set_features(bond_dev); + slave_info(bond_dev, slave_dev, "Enslaving as %s interface with %s link\n", bond_is_active_slave(new_slave) ? "an active" : "a backup", new_slave->link != BOND_LINK_DOWN ? "an up" : "a down"); @@ -2483,6 +2505,7 @@ static int __bond_release_one(struct net_device *bond_dev, if (!netif_is_bond_master(slave_dev)) slave_dev->priv_flags &= ~IFF_BONDING; + bond_xdp_set_features(bond_dev); kobject_put(&slave->kobj); return 0; @@ -3930,6 +3953,9 @@ static int bond_slave_netdev_event(unsigned long event, /* Propagate to master device */ call_netdevice_notifiers(event, slave->bond->dev); break; + case NETDEV_XDP_FEAT_CHANGE: + bond_xdp_set_features(bond_dev); + break; default: break; } @@ -5874,6 +5900,9 @@ void bond_setup(struct net_device *bond_dev) if (BOND_MODE(bond) == BOND_MODE_ACTIVEBACKUP) bond_dev->features |= BOND_XFRM_FEATURES; #endif /* CONFIG_XFRM_OFFLOAD */ + + if (bond_xdp_check(bond)) + bond_dev->xdp_features = NETDEV_XDP_ACT_MASK; } /* Destroy a bonding device. diff --git a/drivers/net/bonding/bond_options.c b/drivers/net/bonding/bond_options.c index f71d5517f829..0498fc6731f8 100644 --- a/drivers/net/bonding/bond_options.c +++ b/drivers/net/bonding/bond_options.c @@ -877,6 +877,8 @@ static int bond_option_mode_set(struct bonding *bond, netdev_update_features(bond->dev); } + bond_xdp_set_features(bond->dev); + return 0; } |