diff options
| -rw-r--r-- | include/net/udp.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/include/net/udp.h b/include/net/udp.h index d8ce937bc395..dbe030da20a1 100644 --- a/include/net/udp.h +++ b/include/net/udp.h @@ -471,12 +471,19 @@ 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; |