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| author | Willem de Bruijn <willemb@google.com> | 2018-07-06 17:12:54 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-07-07 04:58:49 +0300 |
| commit | 351782067b6be81879b0af0daf7bd3acbb32d986 (patch) | |
| tree | 636d78515302aeb0e8513fe7763d8e1ba0872d6c /include/net | |
| parent | ab8565af68001ac5f9331daa311938ead3eb5636 (diff) | |
| download | linux-351782067b6be81879b0af0daf7bd3acbb32d986.tar.xz | |
ipv4: ipcm_cookie initializers
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 'include/net')
| -rw-r--r-- | include/net/ip.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/include/net/ip.h b/include/net/ip.h index 99d1b835d2aa..6db23bf1e5eb 100644 --- a/include/net/ip.h +++ b/include/net/ip.h @@ -79,6 +79,21 @@ struct ipcm_cookie { __u16 gso_size; }; +static inline void ipcm_init(struct ipcm_cookie *ipcm) +{ + *ipcm = (struct ipcm_cookie) { .tos = -1 }; +} + +static inline void ipcm_init_sk(struct ipcm_cookie *ipcm, + const struct inet_sock *inet) +{ + ipcm_init(ipcm); + + ipcm->sockc.tsflags = inet->sk.sk_tsflags; + ipcm->oif = inet->sk.sk_bound_dev_if; + ipcm->addr = inet->inet_saddr; +} + #define IPCB(skb) ((struct inet_skb_parm*)((skb)->cb)) #define PKTINFO_SKB_CB(skb) ((struct in_pktinfo *)((skb)->cb)) |