diff options
Diffstat (limited to 'target/linux/generic/hack-4.19/650-netfilter-add-xt_OFFLOAD-target.patch')
| -rw-r--r-- | target/linux/generic/hack-4.19/650-netfilter-add-xt_OFFLOAD-target.patch | 36 |
1 files changed, 35 insertions, 1 deletions
diff --git a/target/linux/generic/hack-4.19/650-netfilter-add-xt_OFFLOAD-target.patch b/target/linux/generic/hack-4.19/650-netfilter-add-xt_OFFLOAD-target.patch index 80bc1cdeff..b41e238eae 100644 --- a/target/linux/generic/hack-4.19/650-netfilter-add-xt_OFFLOAD-target.patch +++ b/target/linux/generic/hack-4.19/650-netfilter-add-xt_OFFLOAD-target.patch @@ -98,7 +98,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name> obj-$(CONFIG_NETFILTER_XT_TARGET_LED) += xt_LED.o --- /dev/null +++ b/net/netfilter/xt_FLOWOFFLOAD.c -@@ -0,0 +1,387 @@ +@@ -0,0 +1,421 @@ +/* + * Copyright (C) 2018 Felix Fietkau <nbd@nbd.name> + * @@ -307,10 +307,12 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name> + switch (xt_family(par)) { + case NFPROTO_IPV4: + fl.u.ip4.daddr = ct->tuplehash[dir].tuple.src.u3.ip; ++ fl.u.ip4.flowi4_oif = ifindex; + break; + case NFPROTO_IPV6: + fl.u.ip6.saddr = ct->tuplehash[dir].tuple.dst.u3.in6; + fl.u.ip6.daddr = ct->tuplehash[dir].tuple.src.u3.in6; ++ fl.u.ip6.flowi6_oif = ifindex; + break; + } + @@ -460,10 +462,41 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name> + nf_flow_table_free(table); +} + ++static int flow_offload_netdev_event(struct notifier_block *this, ++ unsigned long event, void *ptr) ++{ ++ struct xt_flowoffload_hook *hook = NULL; ++ struct net_device *dev = netdev_notifier_info_to_dev(ptr); ++ ++ if (event != NETDEV_UNREGISTER) ++ return NOTIFY_DONE; ++ ++ spin_lock_bh(&hooks_lock); ++ hook = flow_offload_lookup_hook(dev); ++ if (hook) { ++ hlist_del(&hook->list); ++ } ++ spin_unlock_bh(&hooks_lock); ++ if (hook) { ++ nf_unregister_net_hook(hook->net, &hook->ops); ++ kfree(hook); ++ } ++ ++ nf_flow_table_cleanup(dev_net(dev), dev); ++ ++ return NOTIFY_DONE; ++} ++ ++static struct notifier_block flow_offload_netdev_notifier = { ++ .notifier_call = flow_offload_netdev_event, ++}; ++ +static int __init xt_flowoffload_tg_init(void) +{ + int ret; + ++ register_netdevice_notifier(&flow_offload_netdev_notifier); ++ + INIT_DELAYED_WORK(&hook_work, xt_flowoffload_hook_work); + + ret = xt_flowoffload_table_init(&nf_flowtable); @@ -481,6 +514,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name> +{ + xt_unregister_target(&offload_tg_reg); + xt_flowoffload_table_cleanup(&nf_flowtable); ++ unregister_netdevice_notifier(&flow_offload_netdev_notifier); +} + +MODULE_LICENSE("GPL"); |