[dpdk-dev] [PATCH v2] net/i40e: fix QinQ eth pattern parsing
Bernard Iremonger
bernard.iremonger at intel.com
Wed Apr 5 16:03:57 CEST 2017
The eth keyword only should be accepted.
Fixes: d46e85af6b5c ("net/i40e: parse QinQ pattern")
Signed-off-by: Bernard Iremonger <bernard.iremonger at intel.com>
---
Changes in v2:
rebased to latest dpdk-next-net
Document the i40e_flow_parse_qinq_pattern function.
Parse the eth keyword in similar way to mpls parsing function.
drivers/net/i40e/i40e_flow.c | 15 +++++++++------
1 file changed, 9 insertions(+), 6 deletions(-)
diff --git a/drivers/net/i40e/i40e_flow.c b/drivers/net/i40e/i40e_flow.c
index 9f541eaff..3cf0e5a70 100644
--- a/drivers/net/i40e/i40e_flow.c
+++ b/drivers/net/i40e/i40e_flow.c
@@ -1740,6 +1740,13 @@ i40e_flow_parse_mpls_filter(struct rte_eth_dev *dev,
return ret;
}
+/* 1. Last in item should be NULL as range is not supported.
+ * 2. Supported filter types: QINQ.
+ * 3. Mask of fields which need to be matched should be
+ * filled with 1.
+ * 4. Mask of fields which needn't to be matched should be
+ * filled with 0.
+ */
static int
i40e_flow_parse_qinq_pattern(__rte_unused struct rte_eth_dev *dev,
const struct rte_flow_item *pattern,
@@ -1747,8 +1754,6 @@ i40e_flow_parse_qinq_pattern(__rte_unused struct rte_eth_dev *dev,
struct i40e_tunnel_filter_conf *filter)
{
const struct rte_flow_item *item = pattern;
- const struct rte_flow_item_eth *eth_spec;
- const struct rte_flow_item_eth *eth_mask;
const struct rte_flow_item_vlan *vlan_spec = NULL;
const struct rte_flow_item_vlan *vlan_mask = NULL;
const struct rte_flow_item_vlan *i_vlan_spec = NULL;
@@ -1770,13 +1775,11 @@ i40e_flow_parse_qinq_pattern(__rte_unused struct rte_eth_dev *dev,
item_type = item->type;
switch (item_type) {
case RTE_FLOW_ITEM_TYPE_ETH:
- eth_spec = (const struct rte_flow_item_eth *)item->spec;
- eth_mask = (const struct rte_flow_item_eth *)item->mask;
- if (eth_spec && eth_mask) {
+ if (item->spec || item->mask) {
rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ITEM,
item,
- "Invalid ether spec/mask");
+ "Invalid ETH item");
return -rte_errno;
}
break;
--
2.11.0
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