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Diffstat (limited to 'include/net/sock.h')
-rw-r--r--include/net/sock.h41
1 files changed, 33 insertions, 8 deletions
diff --git a/include/net/sock.h b/include/net/sock.h
index b6027b01c245..579732d47dfc 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -1279,6 +1279,7 @@ struct proto {
size_t len, int flags, int *addr_len);
int (*sendpage)(struct sock *sk, struct page *page,
int offset, size_t size, int flags);
+ void (*splice_eof)(struct socket *sock);
int (*bind)(struct sock *sk,
struct sockaddr *addr, int addr_len);
int (*bind_add)(struct sock *sk,
@@ -1928,7 +1929,9 @@ struct sockcm_cookie {
static inline void sockcm_init(struct sockcm_cookie *sockc,
const struct sock *sk)
{
- *sockc = (struct sockcm_cookie) { .tsflags = sk->sk_tsflags };
+ *sockc = (struct sockcm_cookie) {
+ .tsflags = READ_ONCE(sk->sk_tsflags)
+ };
}
int __sock_cmsg_send(struct sock *sk, struct msghdr *msg, struct cmsghdr *cmsg,
@@ -2741,9 +2744,9 @@ void __sock_recv_wifi_status(struct msghdr *msg, struct sock *sk,
static inline void
sock_recv_timestamp(struct msghdr *msg, struct sock *sk, struct sk_buff *skb)
{
- ktime_t kt = skb->tstamp;
struct skb_shared_hwtstamps *hwtstamps = skb_hwtstamps(skb);
-
+ u32 tsflags = READ_ONCE(sk->sk_tsflags);
+ ktime_t kt = skb->tstamp;
/*
* generate control messages if
* - receive time stamping in software requested
@@ -2751,10 +2754,10 @@ sock_recv_timestamp(struct msghdr *msg, struct sock *sk, struct sk_buff *skb)
* - hardware time stamps available and wanted
*/
if (sock_flag(sk, SOCK_RCVTSTAMP) ||
- (sk->sk_tsflags & SOF_TIMESTAMPING_RX_SOFTWARE) ||
- (kt && sk->sk_tsflags & SOF_TIMESTAMPING_SOFTWARE) ||
+ (tsflags & SOF_TIMESTAMPING_RX_SOFTWARE) ||
+ (kt && tsflags & SOF_TIMESTAMPING_SOFTWARE) ||
(hwtstamps->hwtstamp &&
- (sk->sk_tsflags & SOF_TIMESTAMPING_RAW_HARDWARE)))
+ (tsflags & SOF_TIMESTAMPING_RAW_HARDWARE)))
__sock_recv_timestamp(msg, sk, skb);
else
sock_write_timestamp(sk, kt);
@@ -2776,7 +2779,8 @@ static inline void sock_recv_cmsgs(struct msghdr *msg, struct sock *sk,
#define TSFLAGS_ANY (SOF_TIMESTAMPING_SOFTWARE | \
SOF_TIMESTAMPING_RAW_HARDWARE)
- if (sk->sk_flags & FLAGS_RECV_CMSGS || sk->sk_tsflags & TSFLAGS_ANY)
+ if (sk->sk_flags & FLAGS_RECV_CMSGS ||
+ READ_ONCE(sk->sk_tsflags) & TSFLAGS_ANY)
__sock_recv_cmsgs(msg, sk, skb);
else if (unlikely(sock_flag(sk, SOCK_TIMESTAMP)))
sock_write_timestamp(sk, skb->tstamp);
@@ -2820,9 +2824,30 @@ static inline void skb_setup_tx_timestamp(struct sk_buff *skb, __u16 tsflags)
&skb_shinfo(skb)->tskey);
}
+static inline bool sk_is_inet(const struct sock *sk)
+{
+ int family = READ_ONCE(sk->sk_family);
+
+ return family == AF_INET || family == AF_INET6;
+}
+
static inline bool sk_is_tcp(const struct sock *sk)
{
- return sk->sk_type == SOCK_STREAM && sk->sk_protocol == IPPROTO_TCP;
+ return sk_is_inet(sk) &&
+ sk->sk_type == SOCK_STREAM &&
+ sk->sk_protocol == IPPROTO_TCP;
+}
+
+static inline bool sk_is_udp(const struct sock *sk)
+{
+ return sk_is_inet(sk) &&
+ sk->sk_type == SOCK_DGRAM &&
+ sk->sk_protocol == IPPROTO_UDP;
+}
+
+static inline bool sk_is_stream_unix(const struct sock *sk)
+{
+ return sk->sk_family == AF_UNIX && sk->sk_type == SOCK_STREAM;
}
/**