1 files changed, 39 insertions, 0 deletions

diff --git a/arch/um/drivers/slip.h b/arch/um/drivers/slip.h
new file mode 100644
index 000000000000..495f2f1b1420
--- /dev/null
+++ b/arch/um/drivers/slip.h
@@ -0,0 +1,39 @@
+#ifndef __UM_SLIP_H
+#define __UM_SLIP_H
+
+#define BUF_SIZE 1500
+ /* two bytes each for a (pathological) max packet of escaped chars +  * 
+  * terminating END char + initial END char                            */
+#define ENC_BUF_SIZE (2 * BUF_SIZE + 2)
+
+struct slip_data {
+        void *dev;
+        char name[sizeof("slnnnnn\0")];
+        char *addr;
+        char *gate_addr;
+        int slave;
+        char ibuf[ENC_BUF_SIZE];
+        char obuf[ENC_BUF_SIZE];
+        int more; /* more data: do not read fd until ibuf has been drained */
+        int pos;
+        int esc;
+};
+
+extern struct net_user_info slip_user_info;
+
+extern int set_umn_addr(int fd, char *addr, char *ptp_addr);
+extern int slip_user_read(int fd, void *buf, int len, struct slip_data *pri);
+extern int slip_user_write(int fd, void *buf, int len, struct slip_data *pri);
+
+#endif
+
+/*
+ * Overrides for Emacs so that we follow Linus's tabbing style.
+ * Emacs will notice this stuff at the end of the file and automatically
+ * adjust the settings for this buffer only.  This must remain at the end
+ * of the file.
+ * ---------------------------------------------------------------------------
+ * Local variables:
+ * c-file-style: "linux"
+ * End:
+ */