net: Split sk_no_check into sk_no_check_{rx,tx}

Define separate fields in the sock structure for configuring disabling
checksums in both TX and RX-- sk_no_check_tx and sk_no_check_rx.
The SO_NO_CHECK socket option only affects sk_no_check_tx. Also,
removed UDP_CSUM_* defines since they are no longer necessary.

Signed-off-by: Tom Herbert <therbert@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 2 insertions, 1 deletions

diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index 2af76eaba8f7..429899689408 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -6946,7 +6946,8 @@ void sctp_copy_sock(struct sock *newsk, struct sock *sk,
         newsk->sk_type = sk->sk_type;
         newsk->sk_bound_dev_if = sk->sk_bound_dev_if;
         newsk->sk_flags = sk->sk_flags;
-        newsk->sk_no_check = sk->sk_no_check;
+        newsk->sk_no_check_tx = sk->sk_no_check_tx;
+        newsk->sk_no_check_rx = sk->sk_no_check_rx;
         newsk->sk_reuse = sk->sk_reuse;
 
         newsk->sk_shutdown = sk->sk_shutdown;