[v2] net/ice: fix order of flow filter parser list
Checks
Commit Message
The order of flow filter parser list was not definite and
linked to the register order of parsers. It caused ACL filter
covered by switch filter in some cases.
This patch fixed order of parser list to guarantee the usage
of each filter. Below lists the order.
ACL filter > Switch filter > FDIR > Hash filter.
Fixes: e4a0a7599d97 ("net/ice: fix flow priority support in non-pipeline mode")
Cc: stable@dpdk.org
Signed-off-by: Yuying Zhang <yuying.zhang@intel.com>
---
v2:
* Fix the spelling mistake in commit log.
---
drivers/net/ice/ice_generic_flow.c | 33 +++++++++++++++++++++++++-----
1 file changed, 28 insertions(+), 5 deletions(-)
Comments
> -----Original Message-----
> From: Zhang, Yuying <yuying.zhang@intel.com>
> Sent: Tuesday, November 2, 2021 6:45 PM
> To: dev@dpdk.org; Zhang, Qi Z <qi.z.zhang@intel.com>; Zhang, Yuying
> <yuying.zhang@intel.com>
> Cc: stable@dpdk.org
> Subject: [PATCH v2] net/ice: fix order of flow filter parser list
>
> The order of flow filter parser list was not definite and linked to the register
> order of parsers. It caused ACL filter covered by switch filter in some cases.
>
> This patch fixed order of parser list to guarantee the usage of each filter. Below
> lists the order.
> ACL filter > Switch filter > FDIR > Hash filter.
>
> Fixes: e4a0a7599d97 ("net/ice: fix flow priority support in non-pipeline
> mode")
> Cc: stable@dpdk.org
>
> Signed-off-by: Yuying Zhang <yuying.zhang@intel.com>
Acked-by: Qi Zhang <qi.z.zhang@intel.com>
Applied to dpdk-next-net-intel.
Thanks
Qi
@@ -1906,6 +1906,8 @@ ice_register_parser(struct ice_flow_parser *parser,
{
struct ice_parser_list *list;
struct ice_flow_parser_node *parser_node;
+ struct ice_flow_parser_node *existing_node;
+ void *temp;
parser_node = rte_zmalloc("ice_parser", sizeof(*parser_node), 0);
if (parser_node == NULL) {
@@ -1921,16 +1923,37 @@ ice_register_parser(struct ice_flow_parser *parser,
if (ad->devargs.pipe_mode_support) {
TAILQ_INSERT_TAIL(list, parser_node, node);
} else {
- if (parser->engine->type == ICE_FLOW_ENGINE_SWITCH ||
- parser->engine->type == ICE_FLOW_ENGINE_HASH)
+ if (parser->engine->type == ICE_FLOW_ENGINE_SWITCH) {
+ RTE_TAILQ_FOREACH_SAFE(existing_node, list,
+ node, temp) {
+ if (existing_node->parser->engine->type ==
+ ICE_FLOW_ENGINE_ACL) {
+ TAILQ_INSERT_AFTER(list, existing_node,
+ parser_node, node);
+ goto DONE;
+ }
+ }
+ TAILQ_INSERT_HEAD(list, parser_node, node);
+ } else if (parser->engine->type == ICE_FLOW_ENGINE_FDIR) {
+ RTE_TAILQ_FOREACH_SAFE(existing_node, list,
+ node, temp) {
+ if (existing_node->parser->engine->type ==
+ ICE_FLOW_ENGINE_SWITCH) {
+ TAILQ_INSERT_AFTER(list, existing_node,
+ parser_node, node);
+ goto DONE;
+ }
+ }
TAILQ_INSERT_HEAD(list, parser_node, node);
- else if (parser->engine->type == ICE_FLOW_ENGINE_FDIR)
+ } else if (parser->engine->type == ICE_FLOW_ENGINE_HASH) {
TAILQ_INSERT_TAIL(list, parser_node, node);
- else if (parser->engine->type == ICE_FLOW_ENGINE_ACL)
+ } else if (parser->engine->type == ICE_FLOW_ENGINE_ACL) {
TAILQ_INSERT_HEAD(list, parser_node, node);
- else
+ } else {
return -EINVAL;
+ }
}
+DONE:
return 0;
}