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kernel5.4-nss-qsdk10.0
openwrt_NSS_ACW/target/linux/ipq806x/patches-5.4/999-01a-nss_sfe-support.patch

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--- a/include/linux/timer.h
+++ b/include/linux/timer.h
@@ -17,6 +17,7 @@ struct timer_list {
unsigned long expires;
void (*function)(struct timer_list *);
u32 flags;
+ unsigned long cust_data;
#ifdef CONFIG_LOCKDEP
struct lockdep_map lockdep_map;
--- a/include/linux/if_bridge.h
+++ b/include/linux/if_bridge.h
@@ -51,6 +51,8 @@
#define BR_DEFAULT_AGEING_TIME (300 * HZ)
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,
--- a/include/net/netns/conntrack.h
+++ b/include/net/netns/conntrack.h
@@ -112,6 +112,9 @@ struct netns_ct {
struct ct_pcpu __percpu *pcpu_lists;
struct ip_conntrack_stat __percpu *stat;
+#ifdef CONFIG_NF_CONNTRACK_CHAIN_EVENTS
+ struct atomic_notifier_head nf_conntrack_chain;
+#endif
struct nf_ct_event_notifier __rcu *nf_conntrack_event_cb;
struct nf_exp_event_notifier __rcu *nf_expect_event_cb;
struct nf_ip_net nf_ct_proto;
--- a/include/net/netfilter/nf_conntrack_ecache.h
+++ b/include/net/netfilter/nf_conntrack_ecache.h
@@ -72,6 +72,11 @@ struct nf_ct_event {
int report;
};
+#ifdef CONFIG_NF_CONNTRACK_CHAIN_EVENTS
+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);
+#endif
+
struct nf_ct_event_notifier {
int (*fcn)(unsigned int events, struct nf_ct_event *item);
};
@@ -105,11 +110,13 @@ static inline void
nf_conntrack_event_cache(enum ip_conntrack_events event, struct nf_conn *ct)
{
#ifdef CONFIG_NF_CONNTRACK_EVENTS
- struct net *net = nf_ct_net(ct);
struct nf_conntrack_ecache *e;
+#ifndef CONFIG_NF_CONNTRACK_CHAIN_EVENTS
+ struct net *net = nf_ct_net(ct);
if (!rcu_access_pointer(net->ct.nf_conntrack_event_cb))
return;
+#endif
e = nf_ct_ecache_find(ct);
if (e == NULL)
@@ -124,10 +131,12 @@ nf_conntrack_event_report(enum ip_conntr
u32 portid, int report)
{
#ifdef CONFIG_NF_CONNTRACK_EVENTS
+#ifndef CONFIG_NF_CONNTRACK_CHAIN_EVENTS
const struct net *net = nf_ct_net(ct);
if (!rcu_access_pointer(net->ct.nf_conntrack_event_cb))
return 0;
+#endif
return nf_conntrack_eventmask_report(1 << event, ct, portid, report);
#else
@@ -139,10 +148,12 @@ static inline int
nf_conntrack_event(enum ip_conntrack_events event, struct nf_conn *ct)
{
#ifdef CONFIG_NF_CONNTRACK_EVENTS
+#ifndef CONFIG_NF_CONNTRACK_CHAIN_EVENTS
const struct net *net = nf_ct_net(ct);
if (!rcu_access_pointer(net->ct.nf_conntrack_event_cb))
return 0;
+#endif
return nf_conntrack_eventmask_report(1 << event, ct, 0, 0);
#else
--- a/net/netfilter/nf_conntrack_proto_tcp.c
+++ b/net/netfilter/nf_conntrack_proto_tcp.c
@@ -33,11 +33,13 @@
/* Do not check the TCP window for incoming packets */
-static int nf_ct_tcp_no_window_check __read_mostly = 1;
+int nf_ct_tcp_no_window_check __read_mostly = 1;
+EXPORT_SYMBOL_GPL(nf_ct_tcp_no_window_check);
/* "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;
+int nf_ct_tcp_be_liberal __read_mostly = 0;
+EXPORT_SYMBOL_GPL(nf_ct_tcp_be_liberal);
/* If it is set to zero, we disable picking up already established
connections. */
--- a/net/bridge/br_if.c
+++ b/net/bridge/br_if.c
@@ -757,3 +757,26 @@
return p->flags & flag;
}
EXPORT_SYMBOL_GPL(br_port_flag_is_set);
+
+/* Update bridge statistics for bridge packets processed by offload engines */
+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);
--- a/net/netfilter/Kconfig
+++ b/net/netfilter/Kconfig
@@ -158,6 +158,14 @@
If unsure, say `N'.
+config NF_CONNTRACK_CHAIN_EVENTS
+ bool "Register multiple callbacks to ct events"
+ depends on NF_CONNTRACK_EVENTS
+ help
+ Support multiple registrations.
+
+ If unsure, say `N'.
+
config NF_CONNTRACK_TIMESTAMP
bool 'Connection tracking timestamping'
depends on NETFILTER_ADVANCED
--- a/net/netfilter/nf_conntrack_core.c
+++ b/net/netfilter/nf_conntrack_core.c
@@ -2588,6 +2588,9 @@ int nf_conntrack_init_net(struct net *ne
nf_conntrack_ecache_pernet_init(net);
nf_conntrack_helper_pernet_init(net);
nf_conntrack_proto_pernet_init(net);
+#ifdef CONFIG_NF_CONNTRACK_CHAIN_EVENTS
+ ATOMIC_INIT_NOTIFIER_HEAD(&net->ct.nf_conntrack_chain);
+#endif
return 0;
--- a/net/netfilter/nf_conntrack_ecache.c
+++ b/net/netfilter/nf_conntrack_ecache.c
@@ -17,6 +17,9 @@
#include <linux/stddef.h>
#include <linux/err.h>
#include <linux/percpu.h>
+#ifdef CONFIG_NF_CONNTRACK_CHAIN_EVENTS
+#include <linux/notifier.h>
+#endif
#include <linux/kernel.h>
#include <linux/netdevice.h>
#include <linux/slab.h>
@@ -127,7 +130,11 @@ 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);
@@ -146,7 +153,15 @@ 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) {
@@ -186,7 +201,11 @@ 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);
@@ -210,7 +229,16 @@ 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;
@@ -257,6 +285,14 @@ out_unlock:
rcu_read_unlock();
}
+#ifdef CONFIG_NF_CONNTRACK_CHAIN_EVENTS
+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);
+#endif
+
int nf_conntrack_register_notifier(struct net *net,
struct nf_ct_event_notifier *new)
{
@@ -279,6 +315,14 @@ out_unlock:
}
EXPORT_SYMBOL_GPL(nf_conntrack_register_notifier);
+#ifdef CONFIG_NF_CONNTRACK_CHAIN_EVENTS
+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);
+#endif
+
void nf_conntrack_unregister_notifier(struct net *net,
struct nf_ct_event_notifier *new)
{
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