From 179fd5a158d46e69652aad15236aa9ee3c9ff945 Mon Sep 17 00:00:00 2001 From: suyuan168 <175338101@qq.com> Date: Thu, 9 Jun 2022 12:08:04 +0800 Subject: [PATCH] Delete 953-net-patch-linux-kernel-to-support-shortcut-fe.patch --- ...-linux-kernel-to-support-shortcut-fe.patch | 253 ------------------ 1 file changed, 253 deletions(-) delete mode 100644 root/target/linux/generic/hack-5.4/953-net-patch-linux-kernel-to-support-shortcut-fe.patch diff --git a/root/target/linux/generic/hack-5.4/953-net-patch-linux-kernel-to-support-shortcut-fe.patch b/root/target/linux/generic/hack-5.4/953-net-patch-linux-kernel-to-support-shortcut-fe.patch deleted file mode 100644 index 57b40292..00000000 --- a/root/target/linux/generic/hack-5.4/953-net-patch-linux-kernel-to-support-shortcut-fe.patch +++ /dev/null @@ -1,253 +0,0 @@ ---- a/include/linux/if_bridge.h -+++ b/include/linux/if_bridge.h -@@ -52,6 +52,9 @@ struct br_ip_list { - - extern void brioctl_set(int (*ioctl_hook)(struct net *, unsigned int, void __user *)); - -+extern void br_dev_update_stats(struct net_device *dev, -+ struct rtnl_link_stats64 *nlstats); -+ - #if IS_ENABLED(CONFIG_BRIDGE) && IS_ENABLED(CONFIG_BRIDGE_IGMP_SNOOPING) - int br_multicast_list_adjacent(struct net_device *dev, - struct list_head *br_ip_list); ---- a/include/linux/skbuff.h -+++ b/include/linux/skbuff.h -@@ -826,6 +826,10 @@ struct sk_buff { - #endif - __u8 gro_skip:1; - -+#ifdef CONFIG_SHORTCUT_FE -+ __u8 fast_forwarded:1; -+#endif -+ - #ifdef CONFIG_NET_SCHED - __u16 tc_index; /* traffic control index */ - #endif ---- a/include/linux/timer.h -+++ b/include/linux/timer.h -@@ -18,6 +18,10 @@ struct timer_list { - void (*function)(struct timer_list *); - u32 flags; - -+#ifdef CONFIG_SHORTCUT_FE -+ unsigned long cust_data; -+#endif -+ - #ifdef CONFIG_LOCKDEP - struct lockdep_map lockdep_map; - #endif ---- a/include/net/netfilter/nf_conntrack_ecache.h -+++ b/include/net/netfilter/nf_conntrack_ecache.h -@@ -75,6 +75,8 @@ struct nf_ct_event { - #ifdef CONFIG_NF_CONNTRACK_CHAIN_EVENTS - extern int nf_conntrack_register_notifier(struct net *net, struct notifier_block *nb); - extern int nf_conntrack_unregister_notifier(struct net *net, struct notifier_block *nb); -+extern int nf_conntrack_register_chain_notifier(struct net *net, struct notifier_block *nb); -+extern int nf_conntrack_unregister_chain_notifier(struct net *net, struct notifier_block *nb); - #else - struct nf_ct_event_notifier { - int (*fcn)(unsigned int events, struct nf_ct_event *item); ---- a/net/bridge/br_if.c -+++ b/net/bridge/br_if.c -@@ -763,6 +763,28 @@ void br_port_flags_change(struct net_bri - br_recalculate_neigh_suppress_enabled(br); - } - -+void br_dev_update_stats(struct net_device *dev, -+ struct rtnl_link_stats64 *nlstats) -+{ -+ struct net_bridge *br; -+ struct pcpu_sw_netstats *stats; -+ -+ /* Is this a bridge? */ -+ if (!(dev->priv_flags & IFF_EBRIDGE)) -+ return; -+ -+ br = netdev_priv(dev); -+ stats = this_cpu_ptr(br->stats); -+ -+ u64_stats_update_begin(&stats->syncp); -+ stats->rx_packets += nlstats->rx_packets; -+ stats->rx_bytes += nlstats->rx_bytes; -+ stats->tx_packets += nlstats->tx_packets; -+ stats->tx_bytes += nlstats->tx_bytes; -+ u64_stats_update_end(&stats->syncp); -+} -+EXPORT_SYMBOL_GPL(br_dev_update_stats); -+ - bool br_port_flag_is_set(const struct net_device *dev, unsigned long flag) - { - struct net_bridge_port *p; ---- a/net/core/dev.c -+++ b/net/core/dev.c -@@ -3197,9 +3197,17 @@ static int xmit_one(struct sk_buff *skb, - unsigned int len; - int rc; - -+#ifdef CONFIG_SHORTCUT_FE -+ /* If this skb has been fast forwarded then we don't want it to -+ * go to any taps (by definition we're trying to bypass them). -+ */ -+ if (!skb->fast_forwarded) { -+#endif - if (dev_nit_active(dev)) - dev_queue_xmit_nit(skb, dev); -- -+#ifdef CONFIG_SHORTCUT_FE -+ } -+#endif - #ifdef CONFIG_ETHERNET_PACKET_MANGLE - if (!dev->eth_mangle_tx || - (skb = dev->eth_mangle_tx(dev, skb)) != NULL) -@@ -4714,6 +4722,11 @@ void netdev_rx_handler_unregister(struct - } - EXPORT_SYMBOL_GPL(netdev_rx_handler_unregister); - -+#ifdef CONFIG_SHORTCUT_FE -+int (*athrs_fast_nat_recv)(struct sk_buff *skb) __rcu __read_mostly; -+EXPORT_SYMBOL_GPL(athrs_fast_nat_recv); -+#endif -+ - /* - * Limit the use of PFMEMALLOC reserves to those protocols that implement - * the special handling of PFMEMALLOC skbs. -@@ -4764,6 +4777,10 @@ static int __netif_receive_skb_core(stru - int ret = NET_RX_DROP; - __be16 type; - -+#ifdef CONFIG_SHORTCUT_FE -+ int (*fast_recv)(struct sk_buff *skb); -+#endif -+ - net_timestamp_check(!netdev_tstamp_prequeue, skb); - - trace_netif_receive_skb(skb); -@@ -4803,6 +4820,16 @@ another_round: - goto out; - } - -+#ifdef CONFIG_SHORTCUT_FE -+ fast_recv = rcu_dereference(athrs_fast_nat_recv); -+ if (fast_recv) { -+ if (fast_recv(skb)) { -+ ret = NET_RX_SUCCESS; -+ goto out; -+ } -+ } -+#endif -+ - if (skb_skip_tc_classify(skb)) - goto skip_classify; - ---- a/net/Kconfig -+++ b/net/Kconfig -@@ -473,3 +473,6 @@ config HAVE_CBPF_JIT - # Extended BPF JIT (eBPF) - config HAVE_EBPF_JIT - bool -+ -+config SHORTCUT_FE -+ bool "Enables kernel network stack path for Shortcut Forwarding Engine ---- a/net/netfilter/nf_conntrack_proto_tcp.c -+++ b/net/netfilter/nf_conntrack_proto_tcp.c -@@ -34,11 +34,19 @@ - /* Do not check the TCP window for incoming packets */ - static int nf_ct_tcp_no_window_check __read_mostly = 1; - -+#ifdef CONFIG_SHORTCUT_FE -+EXPORT_SYMBOL_GPL(nf_ct_tcp_no_window_check); -+#endif -+ - /* "Be conservative in what you do, - be liberal in what you accept from others." - If it's non-zero, we mark only out of window RST segments as INVALID. */ - static int nf_ct_tcp_be_liberal __read_mostly = 0; - -+#ifdef CONFIG_SHORTCUT_FE -+EXPORT_SYMBOL_GPL(nf_ct_tcp_be_liberal); -+#endif -+ - /* If it is set to zero, we disable picking up already established - connections. */ - static int nf_ct_tcp_loose __read_mostly = 1; ---- a/net/netfilter/nf_conntrack_ecache.c -+++ b/net/netfilter/nf_conntrack_ecache.c -@@ -158,7 +158,11 @@ int nf_conntrack_eventmask_report(unsign - - rcu_read_lock(); - notify = rcu_dereference(net->ct.nf_conntrack_event_cb); -+#ifdef CONFIG_NF_CONNTRACK_CHAIN_EVENTS -+ if (!notify && !rcu_dereference_raw(net->ct.nf_conntrack_chain.head)) -+#else - if (!notify) -+#endif - goto out_unlock; - - e = nf_ct_ecache_find(ct); -@@ -177,7 +181,14 @@ int nf_conntrack_eventmask_report(unsign - if (!((eventmask | missed) & e->ctmask)) - goto out_unlock; - -+#ifdef CONFIG_NF_CONNTRACK_CHAIN_EVENTS -+ ret = atomic_notifier_call_chain(&net->ct.nf_conntrack_chain, -+ eventmask | missed, &item); -+ if (notify) -+ ret = notify->fcn(eventmask | missed, &item); -+#else - ret = notify->fcn(eventmask | missed, &item); -+#endif - if (unlikely(ret < 0 || missed)) { - spin_lock_bh(&ct->lock); - if (ret < 0) { -@@ -259,7 +270,11 @@ void nf_ct_deliver_cached_events(struct - - rcu_read_lock(); - notify = rcu_dereference(net->ct.nf_conntrack_event_cb); -+#ifdef CONFIG_NF_CONNTRACK_CHAIN_EVENTS -+ if ((notify == NULL) && !rcu_dereference_raw(net->ct.nf_conntrack_chain.head)) -+#else - if (notify == NULL) -+#endif - goto out_unlock; - - e = nf_ct_ecache_find(ct); -@@ -283,7 +298,15 @@ void nf_ct_deliver_cached_events(struct - item.portid = 0; - item.report = 0; - -+#ifdef CONFIG_NF_CONNTRACK_CHAIN_EVENTS -+ ret = atomic_notifier_call_chain(&net->ct.nf_conntrack_chain, -+ events | missed, -+ &item); -+ if (notify != NULL) -+ ret = notify->fcn(events | missed, &item); -+#else - ret = notify->fcn(events | missed, &item); -+#endif - - if (likely(ret == 0 && !missed)) - goto out_unlock; -@@ -337,6 +360,11 @@ int nf_conntrack_register_notifier(struc - { - return atomic_notifier_chain_register(&net->ct.nf_conntrack_chain, nb); - } -+int nf_conntrack_register_chain_notifier(struct net *net, struct notifier_block *nb) -+{ -+ return atomic_notifier_chain_register(&net->ct.nf_conntrack_chain, nb); -+} -+EXPORT_SYMBOL_GPL(nf_conntrack_register_chain_notifier); - #else - int nf_conntrack_register_notifier(struct net *net, - struct nf_ct_event_notifier *new) -@@ -366,6 +394,11 @@ int nf_conntrack_unregister_notifier(str - { - return atomic_notifier_chain_unregister(&net->ct.nf_conntrack_chain, nb); - } -+int nf_conntrack_unregister_chain_notifier(struct net *net, struct notifier_block *nb) -+{ -+ return atomic_notifier_chain_unregister(&net->ct.nf_conntrack_chain, nb); -+} -+EXPORT_SYMBOL_GPL(nf_conntrack_unregister_chain_notifier); - #else - void nf_conntrack_unregister_notifier(struct net *net, - struct nf_ct_event_notifier *new)