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| author | David S. Miller <davem@davemloft.net> | 2021-06-05 00:08:09 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-06-05 00:08:09 +0300 |
| commit | d15fd7359ab18a46c5fefc36be45b36205f1acfc (patch) | |
| tree | 3b036b03ebf2f591b3bf8ec5926ef498c780d157 /net/ipv4/tcp.c | |
| parent | ebbf5fcb94a7f3499747b282420a1c5f7e8d1c6f (diff) | |
| parent | 5e6af0a729b669b1da6f9600867e2e4910505a6d (diff) | |
| download | linux-d15fd7359ab18a46c5fefc36be45b36205f1acfc.tar.xz | |
Merge branch 'mptcp-timestamps'
Mat Martineau says:
====================
mptcp: Add timestamp support
Enable the SO_TIMESTAMP and SO_TIMESTAMPING socket options for MPTCP
sockets and add receive path cmsg support for timestamps.
Patches 1, 2, and 5 expose existing sock and tcp helpers for timestamps
(no new EXPORT_SYMBOLS()s).
Patch 3 propagates timestamp options to subflows.
Patch 4 cleans up MPTCP handling of SOL_SOCKET options.
Patch 6 adds timestamp csmg data when receiving on sockets that have
been configured for timestamps.
Patch 7 adds self test coverage for timestamps.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/tcp.c')
| -rw-r--r-- | net/ipv4/tcp.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index f1c1f9e3de72..0e3f0e0e5b51 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -1738,8 +1738,8 @@ int tcp_set_rcvlowat(struct sock *sk, int val) } EXPORT_SYMBOL(tcp_set_rcvlowat); -static void tcp_update_recv_tstamps(struct sk_buff *skb, - struct scm_timestamping_internal *tss) +void tcp_update_recv_tstamps(struct sk_buff *skb, + struct scm_timestamping_internal *tss) { if (skb->tstamp) tss->ts[0] = ktime_to_timespec64(skb->tstamp); @@ -2024,8 +2024,6 @@ static int tcp_zerocopy_vm_insert_batch(struct vm_area_struct *vma, } #define TCP_VALID_ZC_MSG_FLAGS (TCP_CMSG_TS) -static void tcp_recv_timestamp(struct msghdr *msg, const struct sock *sk, - struct scm_timestamping_internal *tss); static void tcp_zc_finalize_rx_tstamp(struct sock *sk, struct tcp_zerocopy_receive *zc, struct scm_timestamping_internal *tss) @@ -2197,8 +2195,8 @@ out: #endif /* Similar to __sock_recv_timestamp, but does not require an skb */ -static void tcp_recv_timestamp(struct msghdr *msg, const struct sock *sk, - struct scm_timestamping_internal *tss) +void tcp_recv_timestamp(struct msghdr *msg, const struct sock *sk, + struct scm_timestamping_internal *tss) { int new_tstamp = sock_flag(sk, SOCK_TSTAMP_NEW); bool has_timestamping = false; |