[PATCH] uml: slirp and slip driver cleanups and fixes

This patch merges a lot of duplicated code in the slip and slirp drivers,
abstracts out the slip protocol, and makes the slip driver work in 2.6.

Signed-off-by: Jeff Dike <jdike@addtoit.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 4 insertions, 22 deletions

diff --git a/arch/um/drivers/slirp.h b/arch/um/drivers/slirp.h
index afa4e30284fd..6cf88ab580c9 100644
--- a/arch/um/drivers/slirp.h
+++ b/arch/um/drivers/slirp.h
@@ -1,10 +1,7 @@
 #ifndef __UM_SLIRP_H
 #define __UM_SLIRP_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)
+#include "slip_common.h"
 
 #define SLIRP_MAX_ARGS 100
 /*
@@ -24,28 +21,13 @@ struct slirp_data {
 	struct arg_list_dummy_wrapper argw;
 	int pid;
 	int slave;
-	unsigned char ibuf[ENC_BUF_SIZE];
-	unsigned char obuf[ENC_BUF_SIZE];
-	int more; /* more data: do not read fd until ibuf has been drained */
-	int pos;
-	int esc;
+	struct slip_proto slip;
 };
 
 extern struct net_user_info slirp_user_info;
 
-extern int set_umn_addr(int fd, char *addr, char *ptp_addr);
 extern int slirp_user_read(int fd, void *buf, int len, struct slirp_data *pri);
-extern int slirp_user_write(int fd, void *buf, int len, struct slirp_data *pri);
+extern int slirp_user_write(int fd, void *buf, int len,
+			    struct slirp_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:
- */