Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit fa0b2d1d authored Mar 26, 2007 by Thomas Graf Committed by David S. Miller Apr 25, 2007

[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>

parent 2b443683

include/linux/fib_rules.h

+1 −1

Original line number	Original line	Diff line number	Diff line
	@@ -54,7 +54,7 @@ enum
	FR_ACT_UNSPEC,		FR_ACT_UNSPEC,
	FR_ACT_TO_TBL, /* Pass to fixed table */		FR_ACT_TO_TBL, /* Pass to fixed table */
	FR_ACT_GOTO, /* Jump to another rule */		FR_ACT_GOTO, /* Jump to another rule */
	FR_ACT_RES2,		FR_ACT_NOP, /* No operation */
	FR_ACT_RES3,		FR_ACT_RES3,
	FR_ACT_RES4,		FR_ACT_RES4,
	FR_ACT_BLACKHOLE, /* Drop without notification */		FR_ACT_BLACKHOLE, /* Drop without notification */

net/core/fib_rules.c

+3 −1

Original line number	Original line	Diff line number	Diff line
	@@ -146,7 +146,9 @@ int fib_rules_lookup(struct fib_rules_ops ops, struct flowi fl,
	rule = target;		rule = target;
	goto jumped;		goto jumped;
	}		}
	} else		} else if (rule->action == FR_ACT_NOP)
			continue;
			else
	err = ops->action(rule, fl, flags, arg);		err = ops->action(rule, fl, flags, arg);

	if (err != -EAGAIN) {		if (err != -EAGAIN) {