net/sfc: support jump flows in tunnel offload

[dpdk.git] / drivers / net / sfc / sfc_flow.c

diff --git a/drivers/net/sfc/sfc_flow.c b/drivers/net/sfc/sfc_flow.c
index 2510724..312641e 100644 (file)
--- a/drivers/net/sfc/sfc_flow.c
+++ b/drivers/net/sfc/sfc_flow.c
@@ -2549,15 +2549,46 @@ sfc_flow_parse_rte_to_mae(struct rte_eth_dev *dev,
        struct sfc_flow_spec_mae *spec_mae = &spec->mae;
        int rc;
 
+       /*
+        * If the flow is meant to be a JUMP rule in tunnel offload,
+        * preparse its actions and save its properties in spec_mae.
+        */
+       rc = sfc_flow_tunnel_detect_jump_rule(sa, actions, spec_mae, error);
+       if (rc != 0)
+               goto fail;
+
        rc = sfc_mae_rule_parse_pattern(sa, pattern, spec_mae, error);
        if (rc != 0)
-               return rc;
+               goto fail;
+
+       if (spec_mae->ft_rule_type == SFC_FT_RULE_JUMP) {
+               /*
+                * This flow is represented solely by the outer rule.
+                * It is supposed to mark and count matching packets.
+                */
+               goto skip_action_rule;
+       }
 
        rc = sfc_mae_rule_parse_actions(sa, actions, spec_mae, error);
        if (rc != 0)
-               return rc;
+               goto fail;
+
+skip_action_rule:
+       if (spec_mae->ft != NULL) {
+               if (spec_mae->ft_rule_type == SFC_FT_RULE_JUMP)
+                       spec_mae->ft->jump_rule_is_set = B_TRUE;
+
+               ++(spec_mae->ft->refcnt);
+       }
 
        return 0;
+
+fail:
+       /* Reset these values to avoid confusing sfc_mae_flow_cleanup(). */
+       spec_mae->ft_rule_type = SFC_FT_RULE_NONE;
+       spec_mae->ft = NULL;
+
+       return rc;
 }
 
 static int