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ofproto: Change ofproto_add_flow(), ofproto_delete_flow() to take cls_rule.

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This is a small cleanup that will make later changes to wildcards easier.
This commit is contained in:
Ben Pfaff
2010-10-20 16:46:48 -07:00
parent 3052b0c5e5
commit cf3fad8a1b
7 changed files with 64 additions and 73 deletions
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10
lib/classifier.c
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@@ -134,6 +134,16 @@ cls_rule_from_match(const struct ofp_match *match, unsigned int priority,
rule->priority = rule->wc.wildcards ? priority : UINT16_MAX;
}
/* Initializes 'rule' as a "catch-all" rule that matches every packet, with
* priority 'priority'. */
void
cls_rule_init_catchall(struct cls_rule *rule, unsigned int priority)
{
memset(&rule->flow, 0, sizeof rule->flow);
flow_wildcards_init(&rule->wc, OVSFW_ALL);
rule->priority = priority;
}
/* For each bit or field wildcarded in 'rule', sets the corresponding bit or
* field in 'flow' to all-0-bits. It is important to maintain this invariant
* in a clr_rule that might be inserted into a classifier.