[PATCH dpdk 2/2] rib: add mode to include top-level route in traversal

[Robin Jarry]

Hey Vladimir,

Medvedkin, Vladimir, Sep 30, 2026 at 19:12:
> I'd suggest to reflect changes in release notes. Please find other 
> comments inline.

Will do.

>> +	while ((node = rte_rib6_get_nxt(rib, 0, 0, node, RTE_RIB6_GET_NXT_ALL)) != NULL)
> second arg should be &unspec
>> +		num++;
>> +	RTE_TEST_ASSERT(num == 2, "Invalid number of routes\n");
>> +
>> +	num = 0;
>> +	node = NULL;
>> +	while ((node = rte_rib6_get_nxt(rib, 0, 0, node, RTE_RIB6_GET_NXT_ALL_TOP)) != NULL)
> same here

Indeed, good catch. Although for some reason, the test passes :s

>> +static bool
>> +depth_match(struct rte_rib_node *node, uint8_t depth, int flag)
>
> 3d arg enum rte_rib_nxt_mode mode?

Yes, better.

>> @@ -195,7 +203,7 @@ rte_rib_get_nxt(struct rte_rib *rib, uint32_t ip,
>>   			tmp = tmp->parent;
>>   			if (is_valid_node(tmp) &&
>>   					(is_covered(tmp->ip, ip, depth) &&
>> -					(tmp->depth > depth)))
>> +					(depth_match(tmp, depth, mode))))
> extra parenthesis, same for v6

I wanted to stick to the style of the line above which also has an
extraneous parenthesis. I'll remove it.

>> @@ -125,6 +127,8 @@ rte_rib_lookup_exact(struct rte_rib *rib, uint32_t ip, uint8_t depth);
>>    *   get all prefixes from subtrie
>>    *  -RTE_RIB_GET_NXT_COVER
>>    *   get only first more specific prefix even if it have more specifics
>> + *  -RTE_RIB_GET_NXT_ALL_TOP
>> + *   get the top-level exact matching prefix, if any
>
> RTE_RIB_GET_NXT_ALL_TOP is effectively RTE_RIB_GET_NXT_ALL + exact 
> match. Better definition would be something like:
>
> get all prefixes from the subtrie, including the ip/depth prefix itself 
> if present. Top prefix is returned last.

Ack.

-- 
Robin

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