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sock: expose so_timestamp options for mptcp

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This exports SO_TIMESTAMP_* function for re-use by MPTCP.

Without this there is too much copy & paste needed to support
this from mptcp setsockopt path.

Acked-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Florian Westphal 2021-06-03 16:24:27 -07:00 committed by David S. Miller
parent ebbf5fcb94
commit 371087aa47
2 changed files with 20 additions and 7 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

1
include/net/sock.h
View file

@ -2743,6 +2743,7 @@ static inline bool sk_dev_equal_l3scope(struct sock *sk, int dif)
void sock_def_readable(struct sock *sk);
int sock_bindtoindex(struct sock *sk, int ifindex, bool lock_sk);
void sock_set_timestamp(struct sock *sk, int optname, bool valbool);
void sock_enable_timestamps(struct sock *sk);
void sock_no_linger(struct sock *sk);
void sock_set_keepalive(struct sock *sk);

26
net/core/sock.c
View file

@ -776,6 +776,24 @@ void sock_enable_timestamps(struct sock *sk)
}
EXPORT_SYMBOL(sock_enable_timestamps);
void sock_set_timestamp(struct sock *sk, int optname, bool valbool)
{
switch (optname) {
case SO_TIMESTAMP_OLD:
__sock_set_timestamps(sk, valbool, false, false);
break;
case SO_TIMESTAMP_NEW:
__sock_set_timestamps(sk, valbool, true, false);
break;
case SO_TIMESTAMPNS_OLD:
__sock_set_timestamps(sk, valbool, false, true);
break;
case SO_TIMESTAMPNS_NEW:
__sock_set_timestamps(sk, valbool, true, true);
break;
}
}
void sock_set_keepalive(struct sock *sk)
{
lock_sock(sk);
@ -989,16 +1007,10 @@ int sock_setsockopt(struct socket *sock, int level, int optname,
break;
case SO_TIMESTAMP_OLD:
__sock_set_timestamps(sk, valbool, false, false);
break;
case SO_TIMESTAMP_NEW:
__sock_set_timestamps(sk, valbool, true, false);
break;
case SO_TIMESTAMPNS_OLD:
__sock_set_timestamps(sk, valbool, false, true);
break;
case SO_TIMESTAMPNS_NEW:
__sock_set_timestamps(sk, valbool, true, true);
sock_set_timestamp(sk, valbool, optname);
break;
case SO_TIMESTAMPING_NEW:
case SO_TIMESTAMPING_OLD: