[dpdk-dev] [PATCH v8 3/3] net/ice: enable advanced RSS

Ye Xiaolong xiaolong.ye at intel.com
Tue Oct 22 04:04:18 CEST 2019


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Hi, Ferruh

On 10/21, Ferruh Yigit wrote:
>On 10/21/2019 1:06 PM, Simei Su wrote:
>> This patch supports:
>>   (1)symmetric hash by rte_flow RSS action.
>>   (2)input set change by rte_flow RSS action.
>> 
>> Signed-off-by: Simei Su <simei.su at intel.com>
>> Acked-by: Qi Zhang <qi.z.zhang at intel.com>
>
><...>
>
>> +static int
>> +ice_hash_parse_action(struct ice_pattern_match_item *pattern_match_item,
>> +		const struct rte_flow_action actions[],
>> +		void **meta,
>> +		struct rte_flow_error *error)
>> +{
>> +	const struct rte_flow_action *action;
>> +	enum rte_flow_action_type action_type;
>> +	const struct rte_flow_action_rss *rss;
>> +	struct rss_type_match_hdr *m = (struct rss_type_match_hdr *)
>> +				(pattern_match_item->meta);
>> +	uint32_t type_list_len = RTE_DIM(ice_hash_type_list);
>> +	struct ice_hash_match_type *type_match_item;
>> +
>> +	/* Supported action is RSS. */
>> +	for (action = actions; action->type !=
>> +		RTE_FLOW_ACTION_TYPE_END; action++) {
>> +		action_type = action->type;
>> +		switch (action_type) {
>> +		case RTE_FLOW_ACTION_TYPE_RSS:
>> +			rss = action->conf;
>> +			uint16_t i;
>> +			uint64_t rss_hf = rss->types;
>
>ICC is giving following error [1], it seems switch case is not a scope, so
>fixing the warning while merging by moving the definitions above switch.
>
>
>[1]
>error #589: transfer of control bypasses initialization of:
>            variable "rss_hf" (declared at line 299)
>                switch (action_type) {
>                ^
>

Thanks for fixing this, just wonder why build report on patchwork didn't catch 
this issue?

http://mails.dpdk.org/archives/test-report/2019-October/103686.html

Thanks,
Xiaolong


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