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authorSoheil Hassas Yeganeh <soheil@google.com>2016-04-03 06:08:10 +0300
committerDavid S. Miller <davem@davemloft.net>2016-04-04 22:50:30 +0300
commit24025c465f77c3585f73450bab19501b2edd6fba (patch)
treea9ab1d601354bd90d35cf89155cba956a1aedb47 /include/net/ip.h
parent3dd17e63f5131bf2528f34aa5e3e57758175af92 (diff)
downloadlinux-24025c465f77c3585f73450bab19501b2edd6fba.tar.xz
ipv4: process socket-level control messages in IPv4
Process socket-level control messages by invoking __sock_cmsg_send in ip_cmsg_send for control messages on the SOL_SOCKET layer. This makes sure whenever ip_cmsg_send is called in udp, icmp, and raw, we also process socket-level control messages. Note that this commit interprets new control messages that were ignored before. As such, this commit does not change the behavior of IPv4 control messages. Signed-off-by: Soheil Hassas Yeganeh <soheil@google.com> Acked-by: Willem de Bruijn <willemb@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/ip.h')
-rw-r--r--include/net/ip.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/include/net/ip.h b/include/net/ip.h
index fad74d323bd6..93725e546758 100644
--- a/include/net/ip.h
+++ b/include/net/ip.h
@@ -56,6 +56,7 @@ static inline unsigned int ip_hdrlen(const struct sk_buff *skb)
}
struct ipcm_cookie {
+ struct sockcm_cookie sockc;
__be32 addr;
int oif;
struct ip_options_rcu *opt;
@@ -550,7 +551,7 @@ int ip_options_rcv_srr(struct sk_buff *skb);
void ipv4_pktinfo_prepare(const struct sock *sk, struct sk_buff *skb);
void ip_cmsg_recv_offset(struct msghdr *msg, struct sk_buff *skb, int offset);
-int ip_cmsg_send(struct net *net, struct msghdr *msg,
+int ip_cmsg_send(struct sock *sk, struct msghdr *msg,
struct ipcm_cookie *ipc, bool allow_ipv6);
int ip_setsockopt(struct sock *sk, int level, int optname, char __user *optval,
unsigned int optlen);