From: Thomas Graf <tgraf@suug.ch>
Date: Tue, 27 Mar 2007 00:38:53 +0000 (-0700)
Subject: [NET] fib_rules: Add no-operation action
X-Git-Tag: v2.6.22-rc1~1128^2~157
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fa0b2d1d2196dd46527a8d028797e2bca5930a92;p=linux-2.6

[NET] fib_rules: Add no-operation action

The use of nop rules simplifies the usage of goto rules
and adds more flexibility as they allow targets to remain
while the actual content of the branches can change easly.

Signed-off-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/include/linux/fib_rules.h b/include/linux/fib_rules.h
index c151273293..f278ba781d 100644
--- a/include/linux/fib_rules.h
+++ b/include/linux/fib_rules.h
@@ -54,7 +54,7 @@ enum
 	FR_ACT_UNSPEC,
 	FR_ACT_TO_TBL,		/* Pass to fixed table */
 	FR_ACT_GOTO,		/* Jump to another rule */
-	FR_ACT_RES2,
+	FR_ACT_NOP,		/* No operation */
 	FR_ACT_RES3,
 	FR_ACT_RES4,
 	FR_ACT_BLACKHOLE,	/* Drop without notification */
diff --git a/net/core/fib_rules.c b/net/core/fib_rules.c
index 7ac602cc8c..5824b2644f 100644
--- a/net/core/fib_rules.c
+++ b/net/core/fib_rules.c
@@ -146,7 +146,9 @@ jumped:
 				rule = target;
 				goto jumped;
 			}
-		} else
+		} else if (rule->action == FR_ACT_NOP)
+			continue;
+		else
 			err = ops->action(rule, fl, flags, arg);
 
 		if (err != -EAGAIN) {