[PATCH v2 06/11] net/nfp: support drop flow action

[Chaoyong He]

Add the corresponding logics to support the offload of drop action.

Signed-off-by: Chaoyong He <chaoyong...@corigine.com>
Reviewed-by: Long Wu <long...@corigine.com>
Reviewed-by: Peng Zhang <peng.zh...@corigine.com>
---
 drivers/net/nfp/nfp_net_flow.c | 39 +++++++++++++++++++++++++++++++++-
 1 file changed, 38 insertions(+), 1 deletion(-)

diff --git a/drivers/net/nfp/nfp_net_flow.c b/drivers/net/nfp/nfp_net_flow.c
index 5b6c8553d8..c8b6902bf1 100644
--- a/drivers/net/nfp/nfp_net_flow.c
+++ b/drivers/net/nfp/nfp_net_flow.c
@@ -335,6 +335,37 @@ nfp_net_flow_compile_items(const struct rte_flow_item 
items[],
        return ret;
 }
 
+static void
+nfp_net_flow_action_drop(struct rte_flow *nfp_flow)
+{
+       struct nfp_net_cmsg_action *action_data;
+
+       action_data = (struct nfp_net_cmsg_action 
*)nfp_flow->payload.action_data;
+
+       action_data->action = NFP_NET_CMSG_ACTION_DROP;
+}
+
+static int
+nfp_net_flow_compile_actions(const struct rte_flow_action actions[],
+               struct rte_flow *nfp_flow)
+{
+       const struct rte_flow_action *action;
+
+       for (action = actions; action->type != RTE_FLOW_ACTION_TYPE_END; 
++action) {
+               switch (action->type) {
+               case RTE_FLOW_ACTION_TYPE_DROP:
+                       PMD_DRV_LOG(DEBUG, "Process RTE_FLOW_ACTION_TYPE_DROP");
+                       nfp_net_flow_action_drop(nfp_flow);
+                       return 0;
+               default:
+                       PMD_DRV_LOG(ERR, "Unsupported action type: %d", 
action->type);
+                       return -ENOTSUP;
+               }
+       }
+
+       return 0;
+}
+
 static void
 nfp_net_flow_process_priority(__rte_unused struct rte_flow *nfp_flow,
                uint32_t match_len)
@@ -349,7 +380,7 @@ static struct rte_flow *
 nfp_net_flow_setup(struct rte_eth_dev *dev,
                const struct rte_flow_attr *attr,
                const struct rte_flow_item items[],
-               __rte_unused const struct rte_flow_action actions[])
+               const struct rte_flow_action actions[])
 {
        int ret;
        char *hash_data;
@@ -387,6 +418,12 @@ nfp_net_flow_setup(struct rte_eth_dev *dev,
                goto free_flow;
        }
 
+       ret = nfp_net_flow_compile_actions(actions, nfp_flow);
+       if (ret != 0) {
+               PMD_DRV_LOG(ERR, "NFP flow action process failed.");
+               goto free_flow;
+       }
+
        /* Calculate and store the hash_key for later use */
        hash_data = nfp_flow->payload.match_data;
        nfp_flow->hash_key = rte_jhash(hash_data, match_len + action_len,
-- 
2.39.1