diff options
| author | Geliang Tang <tanggeliang@kylinos.cn> | 2026-01-30 22:24:26 +0300 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2026-02-03 05:15:32 +0300 |
| commit | 2d85088d467ffbfa4377881be050937e3f0304bc (patch) | |
| tree | 90bc27885c3694cbe78d1d9a0f758128b39176c1 | |
| parent | 250d9766a984a45f05893a496df6b682c105fbbc (diff) | |
| download | linux-2d85088d467ffbfa4377881be050937e3f0304bc.tar.xz | |
tcp: export tcp_splice_state
Export struct tcp_splice_state and tcp_splice_data_recv() in net/tcp.h
so that they can be used by MPTCP in the next patch.
Suggested-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Geliang Tang <tanggeliang@kylinos.cn>
Acked-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://patch.msgid.link/20260130-net-next-mptcp-splice-v2-3-31332ba70d7f@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
| -rw-r--r-- | include/net/tcp.h | 11 | ||||
| -rw-r--r-- | net/ipv4/tcp.c | 13 |
2 files changed, 13 insertions, 11 deletions
diff --git a/include/net/tcp.h b/include/net/tcp.h index f1cf9e6730c8..cecec1a92d5e 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -347,6 +347,15 @@ extern struct proto tcp_prot; #define TCP_DEC_STATS(net, field) SNMP_DEC_STATS((net)->mib.tcp_statistics, field) #define TCP_ADD_STATS(net, field, val) SNMP_ADD_STATS((net)->mib.tcp_statistics, field, val) +/* + * TCP splice context + */ +struct tcp_splice_state { + struct pipe_inode_info *pipe; + size_t len; + unsigned int flags; +}; + void tcp_tsq_work_init(void); int tcp_v4_err(struct sk_buff *skb, u32); @@ -378,6 +387,8 @@ void tcp_rcv_space_adjust(struct sock *sk); int tcp_twsk_unique(struct sock *sk, struct sock *sktw, void *twp); void tcp_twsk_destructor(struct sock *sk); void tcp_twsk_purge(struct list_head *net_exit_list); +int tcp_splice_data_recv(read_descriptor_t *rd_desc, struct sk_buff *skb, + unsigned int offset, size_t len); ssize_t tcp_splice_read(struct socket *sk, loff_t *ppos, struct pipe_inode_info *pipe, size_t len, unsigned int flags); diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index e4009158b908..6e94c5859f4b 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -319,15 +319,6 @@ struct percpu_counter tcp_sockets_allocated ____cacheline_aligned_in_smp; EXPORT_IPV6_MOD(tcp_sockets_allocated); /* - * TCP splice context - */ -struct tcp_splice_state { - struct pipe_inode_info *pipe; - size_t len; - unsigned int flags; -}; - -/* * Pressure flag: try to collapse. * Technical note: it is used by multiple contexts non atomically. * All the __sk_mem_schedule() is of this nature: accounting @@ -791,8 +782,8 @@ void tcp_push(struct sock *sk, int flags, int mss_now, __tcp_push_pending_frames(sk, mss_now, nonagle); } -static int tcp_splice_data_recv(read_descriptor_t *rd_desc, struct sk_buff *skb, - unsigned int offset, size_t len) +int tcp_splice_data_recv(read_descriptor_t *rd_desc, struct sk_buff *skb, + unsigned int offset, size_t len) { struct tcp_splice_state *tss = rd_desc->arg.data; int ret; |