diff options
| author | Ingo Molnar <mingo@kernel.org> | 2019-06-03 11:50:18 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2019-06-03 11:50:18 +0200 |
| commit | 26b73da3604cc1a6596406d136b14d1a01c3676f (patch) | |
| tree | c7839809e35fce4868910742157e8ef96782b378 /include/net/udp.h | |
| parent | 5ca584d935c32906d114924dc0e1dbfcbb13fdb2 (diff) | |
| parent | f2c7c76c5d0a443053e94adb9f0918fa2fb85c3a (diff) | |
Merge tag 'v5.2-rc3' into locking/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/net/udp.h')
| -rw-r--r-- | include/net/udp.h | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/include/net/udp.h b/include/net/udp.h index d8ce937bc395..79d141d2103b 100644 --- a/include/net/udp.h +++ b/include/net/udp.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * INET An implementation of the TCP/IP protocol suite for the LINUX * operating system. INET is implemented using the BSD Socket @@ -13,11 +14,6 @@ * Fixes: * Alan Cox : Turned on udp checksums. I don't want to * chase 'memory corruption' bugs that aren't! - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ #ifndef _UDP_H #define _UDP_H @@ -471,12 +467,19 @@ void udpv6_encap_enable(void); static inline struct sk_buff *udp_rcv_segment(struct sock *sk, struct sk_buff *skb, bool ipv4) { + netdev_features_t features = NETIF_F_SG; struct sk_buff *segs; + /* Avoid csum recalculation by skb_segment unless userspace explicitly + * asks for the final checksum values + */ + if (!inet_get_convert_csum(sk)) + features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM; + /* the GSO CB lays after the UDP one, no need to save and restore any * CB fragment */ - segs = __skb_gso_segment(skb, NETIF_F_SG, false); + segs = __skb_gso_segment(skb, features, false); if (unlikely(IS_ERR_OR_NULL(segs))) { int segs_nr = skb_shinfo(skb)->gso_segs; |