pandora: defconfig: update

[pandora-kernel.git] / include / linux / net.h

diff --git a/include/linux/net.h b/include/linux/net.h
index b299230..bd4f6c7 100644 (file)
--- a/include/linux/net.h
+++ b/include/linux/net.h
@@ -197,6 +197,14 @@ struct proto_ops {
 #endif
        int             (*sendmsg)   (struct kiocb *iocb, struct socket *sock,
                                      struct msghdr *m, size_t total_len);
+       /* Notes for implementing recvmsg:
+        * ===============================
+        * msg->msg_namelen should get updated by the recvmsg handlers
+        * iff msg_name != NULL. It is by default 0 to prevent
+        * returning uninitialized memory to user space.  The recvfrom
+        * handlers can assume that msg.msg_name is either NULL or has
+        * a minimum size of sizeof(struct sockaddr_storage).
+        */
        int             (*recvmsg)   (struct kiocb *iocb, struct socket *sock,
                                      struct msghdr *m, size_t total_len,
                                      int flags);
@@ -249,6 +257,29 @@ extern struct socket *sockfd_lookup(int fd, int *err);
 #define                     sockfd_put(sock) fput(sock->file)
 extern int          net_ratelimit(void);
 
+#define net_ratelimited_function(function, ...)                        \
+do {                                                           \
+       if (net_ratelimit())                                    \
+               function(__VA_ARGS__);                          \
+} while (0)
+
+#define net_emerg_ratelimited(fmt, ...)                                \
+       net_ratelimited_function(pr_emerg, fmt, ##__VA_ARGS__)
+#define net_alert_ratelimited(fmt, ...)                                \
+       net_ratelimited_function(pr_alert, fmt, ##__VA_ARGS__)
+#define net_crit_ratelimited(fmt, ...)                         \
+       net_ratelimited_function(pr_crit, fmt, ##__VA_ARGS__)
+#define net_err_ratelimited(fmt, ...)                          \
+       net_ratelimited_function(pr_err, fmt, ##__VA_ARGS__)
+#define net_notice_ratelimited(fmt, ...)                       \
+       net_ratelimited_function(pr_notice, fmt, ##__VA_ARGS__)
+#define net_warn_ratelimited(fmt, ...)                         \
+       net_ratelimited_function(pr_warn, fmt, ##__VA_ARGS__)
+#define net_info_ratelimited(fmt, ...)                         \
+       net_ratelimited_function(pr_info, fmt, ##__VA_ARGS__)
+#define net_dbg_ratelimited(fmt, ...)                          \
+       net_ratelimited_function(pr_debug, fmt, ##__VA_ARGS__)
+
 #define net_random()           random32()
 #define net_srandom(seed)      srandom32((__force u32)seed)