diff options
Diffstat (limited to 'net')
| -rw-r--r-- | net/core/dev.c | 27 | ||||
| -rw-r--r-- | net/netfilter/Kconfig | 8 | ||||
| -rw-r--r-- | net/netfilter/core.c | 24 | ||||
| -rw-r--r-- | net/netfilter/nft_chain_filter.c | 4 |
4 files changed, 10 insertions, 53 deletions
diff --git a/net/core/dev.c b/net/core/dev.c index aeb8ccbbe93b..021e18251465 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -135,7 +135,7 @@ #include <linux/if_macvlan.h> #include <linux/errqueue.h> #include <linux/hrtimer.h> -#include <linux/netfilter_netdev.h> +#include <linux/netfilter_ingress.h> #include <linux/crash_dump.h> #include <linux/sctp.h> #include <net/udp_tunnel.h> @@ -3773,7 +3773,6 @@ EXPORT_SYMBOL(dev_loopback_xmit); static struct sk_buff * sch_handle_egress(struct sk_buff *skb, int *ret, struct net_device *dev) { -#ifdef CONFIG_NET_CLS_ACT struct mini_Qdisc *miniq = rcu_dereference_bh(dev->miniq_egress); struct tcf_result cl_res; @@ -3807,24 +3806,11 @@ sch_handle_egress(struct sk_buff *skb, int *ret, struct net_device *dev) default: break; } -#endif /* CONFIG_NET_CLS_ACT */ + return skb; } #endif /* CONFIG_NET_EGRESS */ -static inline int nf_egress(struct sk_buff *skb) -{ - if (nf_hook_egress_active(skb)) { - int ret; - - rcu_read_lock(); - ret = nf_hook_egress(skb); - rcu_read_unlock(); - return ret; - } - return 0; -} - #ifdef CONFIG_XPS static int __get_xps_queue_idx(struct net_device *dev, struct sk_buff *skb, struct xps_dev_maps *dev_maps, unsigned int tci) @@ -4011,16 +3997,13 @@ static int __dev_queue_xmit(struct sk_buff *skb, struct net_device *sb_dev) qdisc_pkt_len_init(skb); #ifdef CONFIG_NET_CLS_ACT skb->tc_at_ingress = 0; -#endif -#ifdef CONFIG_NET_EGRESS +# ifdef CONFIG_NET_EGRESS if (static_branch_unlikely(&egress_needed_key)) { - if (nf_egress(skb) < 0) - goto out; - skb = sch_handle_egress(skb, &rc, dev); if (!skb) goto out; } +# endif #endif /* If device/qdisc don't need skb->dst, release it right now while * its hot in this cpu cache. @@ -9867,7 +9850,7 @@ struct net_device *alloc_netdev_mqs(int sizeof_priv, const char *name, if (!dev->ethtool_ops) dev->ethtool_ops = &default_ethtool_ops; - nf_hook_netdev_init(dev); + nf_hook_ingress_init(dev); return dev; diff --git a/net/netfilter/Kconfig b/net/netfilter/Kconfig index f4c68f60f241..468fea1aebba 100644 --- a/net/netfilter/Kconfig +++ b/net/netfilter/Kconfig @@ -10,14 +10,6 @@ config NETFILTER_INGRESS This allows you to classify packets from ingress using the Netfilter infrastructure. -config NETFILTER_EGRESS - bool "Netfilter egress support" - default y - select NET_EGRESS - help - This allows you to classify packets before transmission using the - Netfilter infrastructure. - config NETFILTER_NETLINK tristate diff --git a/net/netfilter/core.c b/net/netfilter/core.c index 85e9c959aba7..78f046ec506f 100644 --- a/net/netfilter/core.c +++ b/net/netfilter/core.c @@ -307,12 +307,6 @@ nf_hook_entry_head(struct net *net, int pf, unsigned int hooknum, return &dev->nf_hooks_ingress; } #endif -#ifdef CONFIG_NETFILTER_EGRESS - if (hooknum == NF_NETDEV_EGRESS) { - if (dev && dev_net(dev) == net) - return &dev->nf_hooks_egress; - } -#endif WARN_ON_ONCE(1); return NULL; } @@ -324,13 +318,11 @@ static int __nf_register_net_hook(struct net *net, int pf, struct nf_hook_entries __rcu **pp; if (pf == NFPROTO_NETDEV) { - if ((!IS_ENABLED(CONFIG_NETFILTER_INGRESS) && - reg->hooknum == NF_NETDEV_INGRESS) || - (!IS_ENABLED(CONFIG_NETFILTER_EGRESS) && - reg->hooknum == NF_NETDEV_EGRESS)) +#ifndef CONFIG_NETFILTER_INGRESS + if (reg->hooknum == NF_NETDEV_INGRESS) return -EOPNOTSUPP; - if ((reg->hooknum != NF_NETDEV_INGRESS && - reg->hooknum != NF_NETDEV_EGRESS) || +#endif + if (reg->hooknum != NF_NETDEV_INGRESS || !reg->dev || dev_net(reg->dev) != net) return -EINVAL; } @@ -356,10 +348,6 @@ static int __nf_register_net_hook(struct net *net, int pf, if (pf == NFPROTO_NETDEV && reg->hooknum == NF_NETDEV_INGRESS) net_inc_ingress_queue(); #endif -#ifdef CONFIG_NETFILTER_EGRESS - if (pf == NFPROTO_NETDEV && reg->hooknum == NF_NETDEV_EGRESS) - net_inc_egress_queue(); -#endif #ifdef CONFIG_JUMP_LABEL static_key_slow_inc(&nf_hooks_needed[pf][reg->hooknum]); #endif @@ -418,10 +406,6 @@ static void __nf_unregister_net_hook(struct net *net, int pf, if (pf == NFPROTO_NETDEV && reg->hooknum == NF_NETDEV_INGRESS) net_dec_ingress_queue(); #endif -#ifdef CONFIG_NETFILTER_EGRESS - if (pf == NFPROTO_NETDEV && reg->hooknum == NF_NETDEV_EGRESS) - net_dec_egress_queue(); -#endif #ifdef CONFIG_JUMP_LABEL static_key_slow_dec(&nf_hooks_needed[pf][reg->hooknum]); #endif diff --git a/net/netfilter/nft_chain_filter.c b/net/netfilter/nft_chain_filter.c index 67ce6dbb5496..c78d01bc02e9 100644 --- a/net/netfilter/nft_chain_filter.c +++ b/net/netfilter/nft_chain_filter.c @@ -277,11 +277,9 @@ static const struct nft_chain_type nft_chain_filter_netdev = { .name = "filter", .type = NFT_CHAIN_T_DEFAULT, .family = NFPROTO_NETDEV, - .hook_mask = (1 << NF_NETDEV_INGRESS) | - (1 << NF_NETDEV_EGRESS), + .hook_mask = (1 << NF_NETDEV_INGRESS), .hooks = { [NF_NETDEV_INGRESS] = nft_do_chain_netdev, - [NF_NETDEV_EGRESS] = nft_do_chain_netdev, }, }; |