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-rw-r--r--include/linux/udp.h16
1 files changed, 15 insertions, 1 deletions
diff --git a/include/linux/udp.h b/include/linux/udp.h
index 247cfdcc4b0..ee327759322 100644
--- a/include/linux/udp.h
+++ b/include/linux/udp.h
@@ -49,7 +49,11 @@ struct udp_sock {
unsigned int corkflag; /* Cork is required */
__u8 encap_type; /* Is this an Encapsulation socket? */
unsigned char no_check6_tx:1,/* Send zero UDP6 checksums on TX? */
- no_check6_rx:1;/* Allow zero UDP6 checksums on RX? */
+ no_check6_rx:1,/* Allow zero UDP6 checksums on RX? */
+ convert_csum:1;/* On receive, convert checksum
+ * unnecessary to checksum complete
+ * if possible.
+ */
/*
* Following member retains the information to create a UDP header
* when the socket is uncorked.
@@ -98,6 +102,16 @@ static inline bool udp_get_no_check6_rx(struct sock *sk)
return udp_sk(sk)->no_check6_rx;
}
+static inline void udp_set_convert_csum(struct sock *sk, bool val)
+{
+ udp_sk(sk)->convert_csum = val;
+}
+
+static inline bool udp_get_convert_csum(struct sock *sk)
+{
+ return udp_sk(sk)->convert_csum;
+}
+
#define udp_portaddr_for_each_entry(__sk, node, list) \
hlist_nulls_for_each_entry(__sk, node, list, __sk_common.skc_portaddr_node)