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authorWillem de Bruijn <willemb@google.com>2018-07-06 10:12:55 -0400
committerDavid S. Miller <davem@davemloft.net>2018-07-07 10:58:49 +0900
commitb515430ac9c25d5192cf498af3c6be6c4f51caad (patch)
treeb11ac766cd06f15c8eb9ae83d4cb96fecef97342 /include/net/ipv6.h
parentipv4: ipcm_cookie initializers (diff)
downloadlinux-dev-b515430ac9c25d5192cf498af3c6be6c4f51caad.tar.xz
linux-dev-b515430ac9c25d5192cf498af3c6be6c4f51caad.zip
ipv6: ipcm6_cookie initializer
Initialize the cookie in one location to reduce code duplication and avoid bugs from inconsistent initialization, such as that fixed in commit 9887cba19978 ("ip: limit use of gso_size to udp"). Signed-off-by: Willem de Bruijn <willemb@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to '')
-rw-r--r--include/net/ipv6.h19
1 files changed, 19 insertions, 0 deletions
diff --git a/include/net/ipv6.h b/include/net/ipv6.h
index b7843e0b16ee..6cb247f54d4c 100644
--- a/include/net/ipv6.h
+++ b/include/net/ipv6.h
@@ -301,6 +301,25 @@ struct ipcm6_cookie {
__u16 gso_size;
};
+static inline void ipcm6_init(struct ipcm6_cookie *ipc6)
+{
+ *ipc6 = (struct ipcm6_cookie) {
+ .hlimit = -1,
+ .tclass = -1,
+ .dontfrag = -1,
+ };
+}
+
+static inline void ipcm6_init_sk(struct ipcm6_cookie *ipc6,
+ const struct ipv6_pinfo *np)
+{
+ *ipc6 = (struct ipcm6_cookie) {
+ .hlimit = -1,
+ .tclass = np->tclass,
+ .dontfrag = np->dontfrag,
+ };
+}
+
static inline struct ipv6_txoptions *txopt_get(const struct ipv6_pinfo *np)
{
struct ipv6_txoptions *opt;