diff options
author | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2018-12-12 14:08:45 +0100 |
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committer | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2018-12-12 14:08:45 +0100 |
commit | cfbbc7703fff59c67761c93a8b1de29a79f9841c (patch) | |
tree | 58b4b37bed385b27fc5956435b2451c760f26f5f /include/net | |
parent | 5f3fecbc0715a70437501e1d85e74726c4f561be (diff) | |
parent | 1aa861ff238ecd17a3095b0dbd2d20bdf7bfaf14 (diff) |
Merge tag 'v4.9.144' into 4.9-2.3.x-imx
This is the 4.9.144 stable release
Diffstat (limited to 'include/net')
-rw-r--r-- | include/net/bonding.h | 7 | ||||
-rw-r--r-- | include/net/inet_frag.h | 133 | ||||
-rw-r--r-- | include/net/inet_sock.h | 6 | ||||
-rw-r--r-- | include/net/ip.h | 1 | ||||
-rw-r--r-- | include/net/ip_fib.h | 1 | ||||
-rw-r--r-- | include/net/ipv6.h | 26 |
6 files changed, 66 insertions, 108 deletions
diff --git a/include/net/bonding.h b/include/net/bonding.h index 714428c54c68..8750c2c4871a 100644 --- a/include/net/bonding.h +++ b/include/net/bonding.h @@ -139,12 +139,6 @@ struct bond_parm_tbl { int mode; }; -struct netdev_notify_work { - struct delayed_work work; - struct net_device *dev; - struct netdev_bonding_info bonding_info; -}; - struct slave { struct net_device *dev; /* first - useful for panic debug */ struct bonding *bond; /* our master */ @@ -171,6 +165,7 @@ struct slave { #ifdef CONFIG_NET_POLL_CONTROLLER struct netpoll *np; #endif + struct delayed_work notify_work; struct kobject kobj; struct rtnl_link_stats64 slave_stats; }; diff --git a/include/net/inet_frag.h b/include/net/inet_frag.h index 634d19203e7d..a3812e9c8fee 100644 --- a/include/net/inet_frag.h +++ b/include/net/inet_frag.h @@ -1,14 +1,20 @@ #ifndef __NET_FRAG_H__ #define __NET_FRAG_H__ +#include <linux/rhashtable.h> + struct netns_frags { - /* Keep atomic mem on separate cachelines in structs that include it */ - atomic_t mem ____cacheline_aligned_in_smp; /* sysctls */ + long high_thresh; + long low_thresh; int timeout; - int high_thresh; - int low_thresh; int max_dist; + struct inet_frags *f; + + struct rhashtable rhashtable ____cacheline_aligned_in_smp; + + /* Keep atomic mem on separate cachelines in structs that include it */ + atomic_long_t mem ____cacheline_aligned_in_smp; }; /** @@ -24,130 +30,115 @@ enum { INET_FRAG_COMPLETE = BIT(2), }; +struct frag_v4_compare_key { + __be32 saddr; + __be32 daddr; + u32 user; + u32 vif; + __be16 id; + u16 protocol; +}; + +struct frag_v6_compare_key { + struct in6_addr saddr; + struct in6_addr daddr; + u32 user; + __be32 id; + u32 iif; +}; + /** * struct inet_frag_queue - fragment queue * - * @lock: spinlock protecting the queue + * @node: rhash node + * @key: keys identifying this frag. * @timer: queue expiration timer - * @list: hash bucket list + * @lock: spinlock protecting this frag * @refcnt: reference count of the queue * @fragments: received fragments head + * @rb_fragments: received fragments rb-tree root * @fragments_tail: received fragments tail + * @last_run_head: the head of the last "run". see ip_fragment.c * @stamp: timestamp of the last received fragment * @len: total length of the original datagram * @meat: length of received fragments so far * @flags: fragment queue flags * @max_size: maximum received fragment size * @net: namespace that this frag belongs to - * @list_evictor: list of queues to forcefully evict (e.g. due to low memory) + * @rcu: rcu head for freeing deferall */ struct inet_frag_queue { - spinlock_t lock; + struct rhash_head node; + union { + struct frag_v4_compare_key v4; + struct frag_v6_compare_key v6; + } key; struct timer_list timer; - struct hlist_node list; + spinlock_t lock; atomic_t refcnt; - struct sk_buff *fragments; + struct sk_buff *fragments; /* Used in IPv6. */ + struct rb_root rb_fragments; /* Used in IPv4. */ struct sk_buff *fragments_tail; + struct sk_buff *last_run_head; ktime_t stamp; int len; int meat; __u8 flags; u16 max_size; - struct netns_frags *net; - struct hlist_node list_evictor; -}; - -#define INETFRAGS_HASHSZ 1024 - -/* averaged: - * max_depth = default ipfrag_high_thresh / INETFRAGS_HASHSZ / - * rounded up (SKB_TRUELEN(0) + sizeof(struct ipq or - * struct frag_queue)) - */ -#define INETFRAGS_MAXDEPTH 128 - -struct inet_frag_bucket { - struct hlist_head chain; - spinlock_t chain_lock; + struct netns_frags *net; + struct rcu_head rcu; }; struct inet_frags { - struct inet_frag_bucket hash[INETFRAGS_HASHSZ]; - - struct work_struct frags_work; - unsigned int next_bucket; - unsigned long last_rebuild_jiffies; - bool rebuild; - - /* The first call to hashfn is responsible to initialize - * rnd. This is best done with net_get_random_once. - * - * rnd_seqlock is used to let hash insertion detect - * when it needs to re-lookup the hash chain to use. - */ - u32 rnd; - seqlock_t rnd_seqlock; int qsize; - unsigned int (*hashfn)(const struct inet_frag_queue *); - bool (*match)(const struct inet_frag_queue *q, - const void *arg); void (*constructor)(struct inet_frag_queue *q, const void *arg); void (*destructor)(struct inet_frag_queue *); void (*frag_expire)(unsigned long data); struct kmem_cache *frags_cachep; const char *frags_cache_name; + struct rhashtable_params rhash_params; }; int inet_frags_init(struct inet_frags *); void inet_frags_fini(struct inet_frags *); -static inline void inet_frags_init_net(struct netns_frags *nf) +static inline int inet_frags_init_net(struct netns_frags *nf) { - atomic_set(&nf->mem, 0); + atomic_long_set(&nf->mem, 0); + return rhashtable_init(&nf->rhashtable, &nf->f->rhash_params); } -void inet_frags_exit_net(struct netns_frags *nf, struct inet_frags *f); +void inet_frags_exit_net(struct netns_frags *nf); -void inet_frag_kill(struct inet_frag_queue *q, struct inet_frags *f); -void inet_frag_destroy(struct inet_frag_queue *q, struct inet_frags *f); -struct inet_frag_queue *inet_frag_find(struct netns_frags *nf, - struct inet_frags *f, void *key, unsigned int hash); +void inet_frag_kill(struct inet_frag_queue *q); +void inet_frag_destroy(struct inet_frag_queue *q); +struct inet_frag_queue *inet_frag_find(struct netns_frags *nf, void *key); -void inet_frag_maybe_warn_overflow(struct inet_frag_queue *q, - const char *prefix); +/* Free all skbs in the queue; return the sum of their truesizes. */ +unsigned int inet_frag_rbtree_purge(struct rb_root *root); -static inline void inet_frag_put(struct inet_frag_queue *q, struct inet_frags *f) +static inline void inet_frag_put(struct inet_frag_queue *q) { if (atomic_dec_and_test(&q->refcnt)) - inet_frag_destroy(q, f); -} - -static inline bool inet_frag_evicting(struct inet_frag_queue *q) -{ - return !hlist_unhashed(&q->list_evictor); + inet_frag_destroy(q); } /* Memory Tracking Functions. */ -static inline int frag_mem_limit(struct netns_frags *nf) -{ - return atomic_read(&nf->mem); -} - -static inline void sub_frag_mem_limit(struct netns_frags *nf, int i) +static inline long frag_mem_limit(const struct netns_frags *nf) { - atomic_sub(i, &nf->mem); + return atomic_long_read(&nf->mem); } -static inline void add_frag_mem_limit(struct netns_frags *nf, int i) +static inline void sub_frag_mem_limit(struct netns_frags *nf, long val) { - atomic_add(i, &nf->mem); + atomic_long_sub(val, &nf->mem); } -static inline int sum_frag_mem_limit(struct netns_frags *nf) +static inline void add_frag_mem_limit(struct netns_frags *nf, long val) { - return atomic_read(&nf->mem); + atomic_long_add(val, &nf->mem); } /* RFC 3168 support : diff --git a/include/net/inet_sock.h b/include/net/inet_sock.h index 0464b207d0cf..6213a90a8cec 100644 --- a/include/net/inet_sock.h +++ b/include/net/inet_sock.h @@ -132,12 +132,6 @@ static inline int inet_request_bound_dev_if(const struct sock *sk, return sk->sk_bound_dev_if; } -static inline struct ip_options_rcu *ireq_opt_deref(const struct inet_request_sock *ireq) -{ - return rcu_dereference_check(ireq->ireq_opt, - atomic_read(&ireq->req.rsk_refcnt) > 0); -} - struct inet_cork { unsigned int flags; __be32 addr; diff --git a/include/net/ip.h b/include/net/ip.h index bc9b4deeb60e..8646da034851 100644 --- a/include/net/ip.h +++ b/include/net/ip.h @@ -548,7 +548,6 @@ static inline struct sk_buff *ip_check_defrag(struct net *net, struct sk_buff *s return skb; } #endif -int ip_frag_mem(struct net *net); /* * Functions provided by ip_forward.c diff --git a/include/net/ip_fib.h b/include/net/ip_fib.h index 978387d6c3e6..a6446d72c5d9 100644 --- a/include/net/ip_fib.h +++ b/include/net/ip_fib.h @@ -363,6 +363,7 @@ int ip_fib_check_default(__be32 gw, struct net_device *dev); int fib_sync_down_dev(struct net_device *dev, unsigned long event, bool force); int fib_sync_down_addr(struct net_device *dev, __be32 local); int fib_sync_up(struct net_device *dev, unsigned int nh_flags); +void fib_sync_mtu(struct net_device *dev, u32 orig_mtu); extern u32 fib_multipath_secret __read_mostly; diff --git a/include/net/ipv6.h b/include/net/ipv6.h index 64b0e9df31c7..7cb100d25bb5 100644 --- a/include/net/ipv6.h +++ b/include/net/ipv6.h @@ -330,13 +330,6 @@ static inline bool ipv6_accept_ra(struct inet6_dev *idev) idev->cnf.accept_ra; } -#if IS_ENABLED(CONFIG_IPV6) -static inline int ip6_frag_mem(struct net *net) -{ - return sum_frag_mem_limit(&net->ipv6.frags); -} -#endif - #define IPV6_FRAG_HIGH_THRESH (4 * 1024*1024) /* 4194304 */ #define IPV6_FRAG_LOW_THRESH (3 * 1024*1024) /* 3145728 */ #define IPV6_FRAG_TIMEOUT (60 * HZ) /* 60 seconds */ @@ -530,17 +523,8 @@ enum ip6_defrag_users { __IP6_DEFRAG_CONNTRACK_BRIDGE_IN = IP6_DEFRAG_CONNTRACK_BRIDGE_IN + USHRT_MAX, }; -struct ip6_create_arg { - __be32 id; - u32 user; - const struct in6_addr *src; - const struct in6_addr *dst; - int iif; - u8 ecn; -}; - void ip6_frag_init(struct inet_frag_queue *q, const void *a); -bool ip6_frag_match(const struct inet_frag_queue *q, const void *a); +extern const struct rhashtable_params ip6_rhash_params; /* * Equivalent of ipv4 struct ip @@ -548,19 +532,13 @@ bool ip6_frag_match(const struct inet_frag_queue *q, const void *a); struct frag_queue { struct inet_frag_queue q; - __be32 id; /* fragment id */ - u32 user; - struct in6_addr saddr; - struct in6_addr daddr; - int iif; unsigned int csum; __u16 nhoffset; u8 ecn; }; -void ip6_expire_frag_queue(struct net *net, struct frag_queue *fq, - struct inet_frags *frags); +void ip6_expire_frag_queue(struct net *net, struct frag_queue *fq); static inline bool ipv6_addr_any(const struct in6_addr *a) { |