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-rw-r--r--include/linux/ipv6.h1
-rw-r--r--include/net/busy_poll.h3
-rw-r--r--include/net/inet_sock.h3
-rw-r--r--include/net/ip.h2
-rw-r--r--include/net/ipv6.h1
-rw-r--r--include/net/sock.h21
6 files changed, 20 insertions, 11 deletions
diff --git a/include/linux/ipv6.h b/include/linux/ipv6.h
index ef4a69865737..c383630d3f06 100644
--- a/include/linux/ipv6.h
+++ b/include/linux/ipv6.h
@@ -282,7 +282,6 @@ struct ipv6_pinfo {
__be32 rcv_flowinfo;
__u32 dst_cookie;
- __u32 rx_dst_cookie;
struct ipv6_mc_socklist __rcu *ipv6_mc_list;
struct ipv6_ac_socklist *ipv6_ac_list;
diff --git a/include/net/busy_poll.h b/include/net/busy_poll.h
index 40296ed976a9..4202c609bb0b 100644
--- a/include/net/busy_poll.h
+++ b/include/net/busy_poll.h
@@ -130,7 +130,8 @@ static inline void skb_mark_napi_id(struct sk_buff *skb,
static inline void sk_mark_napi_id(struct sock *sk, const struct sk_buff *skb)
{
#ifdef CONFIG_NET_RX_BUSY_POLL
- WRITE_ONCE(sk->sk_napi_id, skb->napi_id);
+ if (unlikely(READ_ONCE(sk->sk_napi_id) != skb->napi_id))
+ WRITE_ONCE(sk->sk_napi_id, skb->napi_id);
#endif
sk_rx_queue_set(sk, skb);
}
diff --git a/include/net/inet_sock.h b/include/net/inet_sock.h
index 89163ef8cf4b..9e1111f5915b 100644
--- a/include/net/inet_sock.h
+++ b/include/net/inet_sock.h
@@ -207,11 +207,10 @@ struct inet_sock {
__be32 inet_saddr;
__s16 uc_ttl;
__u16 cmsg_flags;
+ struct ip_options_rcu __rcu *inet_opt;
__be16 inet_sport;
__u16 inet_id;
- struct ip_options_rcu __rcu *inet_opt;
- int rx_dst_ifindex;
__u8 tos;
__u8 min_ttl;
__u8 mc_ttl;
diff --git a/include/net/ip.h b/include/net/ip.h
index cf229a531194..b71e88507c4a 100644
--- a/include/net/ip.h
+++ b/include/net/ip.h
@@ -24,6 +24,7 @@
#include <linux/skbuff.h>
#include <linux/jhash.h>
#include <linux/sockptr.h>
+#include <linux/static_key.h>
#include <net/inet_sock.h>
#include <net/route.h>
@@ -750,6 +751,7 @@ void ip_cmsg_recv_offset(struct msghdr *msg, struct sock *sk,
struct sk_buff *skb, int tlen, int offset);
int ip_cmsg_send(struct sock *sk, struct msghdr *msg,
struct ipcm_cookie *ipc, bool allow_ipv6);
+DECLARE_STATIC_KEY_FALSE(ip4_min_ttl);
int ip_setsockopt(struct sock *sk, int level, int optname, sockptr_t optval,
unsigned int optlen);
int ip_getsockopt(struct sock *sk, int level, int optname, char __user *optval,
diff --git a/include/net/ipv6.h b/include/net/ipv6.h
index f2d0ecc257bb..c19bf51ded1d 100644
--- a/include/net/ipv6.h
+++ b/include/net/ipv6.h
@@ -1092,6 +1092,7 @@ struct in6_addr *fl6_update_dst(struct flowi6 *fl6,
/*
* socket options (ipv6_sockglue.c)
*/
+DECLARE_STATIC_KEY_FALSE(ip6_min_hopcount);
int ipv6_setsockopt(struct sock *sk, int level, int optname, sockptr_t optval,
unsigned int optlen);
diff --git a/include/net/sock.h b/include/net/sock.h
index 596ba85611bc..b76be30674ef 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -259,6 +259,8 @@ struct bpf_local_storage;
* @sk_rcvbuf: size of receive buffer in bytes
* @sk_wq: sock wait queue and async head
* @sk_rx_dst: receive input route used by early demux
+ * @sk_rx_dst_ifindex: ifindex for @sk_rx_dst
+ * @sk_rx_dst_cookie: cookie for @sk_rx_dst
* @sk_dst_cache: destination cache
* @sk_dst_pending_confirm: need to confirm neighbour
* @sk_policy: flow policy
@@ -430,6 +432,9 @@ struct sock {
struct xfrm_policy __rcu *sk_policy[2];
#endif
struct dst_entry *sk_rx_dst;
+ int sk_rx_dst_ifindex;
+ u32 sk_rx_dst_cookie;
+
struct dst_entry __rcu *sk_dst_cache;
atomic_t sk_omem_alloc;
int sk_sndbuf;
@@ -1911,10 +1916,8 @@ static inline void sk_rx_queue_set(struct sock *sk, const struct sk_buff *skb)
if (skb_rx_queue_recorded(skb)) {
u16 rx_queue = skb_get_rx_queue(skb);
- if (WARN_ON_ONCE(rx_queue == NO_QUEUE_MAPPING))
- return;
-
- sk->sk_rx_queue_mapping = rx_queue;
+ if (unlikely(READ_ONCE(sk->sk_rx_queue_mapping) != rx_queue))
+ WRITE_ONCE(sk->sk_rx_queue_mapping, rx_queue);
}
#endif
}
@@ -1922,15 +1925,19 @@ static inline void sk_rx_queue_set(struct sock *sk, const struct sk_buff *skb)
static inline void sk_rx_queue_clear(struct sock *sk)
{
#ifdef CONFIG_SOCK_RX_QUEUE_MAPPING
- sk->sk_rx_queue_mapping = NO_QUEUE_MAPPING;
+ WRITE_ONCE(sk->sk_rx_queue_mapping, NO_QUEUE_MAPPING);
#endif
}
static inline int sk_rx_queue_get(const struct sock *sk)
{
#ifdef CONFIG_SOCK_RX_QUEUE_MAPPING
- if (sk && sk->sk_rx_queue_mapping != NO_QUEUE_MAPPING)
- return sk->sk_rx_queue_mapping;
+ if (sk) {
+ int res = READ_ONCE(sk->sk_rx_queue_mapping);
+
+ if (res != NO_QUEUE_MAPPING)
+ return res;
+ }
#endif
return -1;