[dpdk-dev] [PATCH v3 6/7] ethdev: add missing items/actions to flow object converter

[Adrien Mazarguil <adrien.mazarguil@6wind.com>]

Several pattern items and actions were never handled by rte_flow_copy()
because their descriptions were missing. rte_flow_conv() inherited this
deficiency.

This patch adds them and reorders others to match rte_flow.h. It doesn't
pose as a fix because so far no one has complained about it and
rte_flow_conv() would have to be backported as well: this function is the
only sane approach to handle VXLAN and NVGRE encap definitions.

As a matter of fact, it's the last missing piece to finally allow testpmd
users to request the creation of VXLAN/NVGRE encap/decap flow rules without
getting rejected outright.

Signed-off-by: Adrien Mazarguil <adrien.mazarguil@6wind.com>
Cc: Declan Doherty <declan.doherty@intel.com>
Cc: Nelio Laranjeiro <nelio.laranjeiro@6wind.com>
--
v2 changes:

- Patch was not present in original series.
---
 lib/librte_ethdev/rte_flow.c | 50 +++++++++++++++++++++++++++++++++++++--
 1 file changed, 48 insertions(+), 2 deletions(-)

diff --git a/lib/librte_ethdev/rte_flow.c b/lib/librte_ethdev/rte_flow.c
index c3ff7e713..9c56a9734 100644
--- a/lib/librte_ethdev/rte_flow.c
+++ b/lib/librte_ethdev/rte_flow.c
@@ -51,10 +51,15 @@ static const struct rte_flow_desc_data rte_flow_desc_item[] = {
 	MK_FLOW_ITEM(TCP, sizeof(struct rte_flow_item_tcp)),
 	MK_FLOW_ITEM(SCTP, sizeof(struct rte_flow_item_sctp)),
 	MK_FLOW_ITEM(VXLAN, sizeof(struct rte_flow_item_vxlan)),
-	MK_FLOW_ITEM(MPLS, sizeof(struct rte_flow_item_mpls)),
-	MK_FLOW_ITEM(GRE, sizeof(struct rte_flow_item_gre)),
 	MK_FLOW_ITEM(E_TAG, sizeof(struct rte_flow_item_e_tag)),
 	MK_FLOW_ITEM(NVGRE, sizeof(struct rte_flow_item_nvgre)),
+	MK_FLOW_ITEM(MPLS, sizeof(struct rte_flow_item_mpls)),
+	MK_FLOW_ITEM(GRE, sizeof(struct rte_flow_item_gre)),
+	MK_FLOW_ITEM(FUZZY, sizeof(struct rte_flow_item_fuzzy)),
+	MK_FLOW_ITEM(GTP, sizeof(struct rte_flow_item_gtp)),
+	MK_FLOW_ITEM(GTPC, sizeof(struct rte_flow_item_gtp)),
+	MK_FLOW_ITEM(GTPU, sizeof(struct rte_flow_item_gtp)),
+	MK_FLOW_ITEM(ESP, sizeof(struct rte_flow_item_esp)),
 	MK_FLOW_ITEM(GENEVE, sizeof(struct rte_flow_item_geneve)),
 	MK_FLOW_ITEM(VXLAN_GPE, sizeof(struct rte_flow_item_vxlan_gpe)),
 	MK_FLOW_ITEM(ARP_ETH_IPV4, sizeof(struct rte_flow_item_arp_eth_ipv4)),
@@ -67,6 +72,7 @@ static const struct rte_flow_desc_data rte_flow_desc_item[] = {
 		     sizeof(struct rte_flow_item_icmp6_nd_opt_sla_eth)),
 	MK_FLOW_ITEM(ICMP6_ND_OPT_TLA_ETH,
 		     sizeof(struct rte_flow_item_icmp6_nd_opt_tla_eth)),
+	MK_FLOW_ITEM(MARK, sizeof(struct rte_flow_item_mark)),
 };
 
 /** Generate flow_action[] entry. */
@@ -81,6 +87,7 @@ static const struct rte_flow_desc_data rte_flow_desc_action[] = {
 	MK_FLOW_ACTION(END, 0),
 	MK_FLOW_ACTION(VOID, 0),
 	MK_FLOW_ACTION(PASSTHRU, 0),
+	MK_FLOW_ACTION(JUMP, sizeof(struct rte_flow_action_jump)),
 	MK_FLOW_ACTION(MARK, sizeof(struct rte_flow_action_mark)),
 	MK_FLOW_ACTION(FLAG, 0),
 	MK_FLOW_ACTION(QUEUE, sizeof(struct rte_flow_action_queue)),
@@ -91,6 +98,8 @@ static const struct rte_flow_desc_data rte_flow_desc_action[] = {
 	MK_FLOW_ACTION(VF, sizeof(struct rte_flow_action_vf)),
 	MK_FLOW_ACTION(PHY_PORT, sizeof(struct rte_flow_action_phy_port)),
 	MK_FLOW_ACTION(PORT_ID, sizeof(struct rte_flow_action_port_id)),
+	MK_FLOW_ACTION(METER, sizeof(struct rte_flow_action_meter)),
+	MK_FLOW_ACTION(SECURITY, sizeof(struct rte_flow_action_security)),
 	MK_FLOW_ACTION(OF_SET_MPLS_TTL,
 		       sizeof(struct rte_flow_action_of_set_mpls_ttl)),
 	MK_FLOW_ACTION(OF_DEC_MPLS_TTL, 0),
@@ -110,6 +119,10 @@ static const struct rte_flow_desc_data rte_flow_desc_action[] = {
 		       sizeof(struct rte_flow_action_of_pop_mpls)),
 	MK_FLOW_ACTION(OF_PUSH_MPLS,
 		       sizeof(struct rte_flow_action_of_push_mpls)),
+	MK_FLOW_ACTION(VXLAN_ENCAP, sizeof(struct rte_flow_action_vxlan_encap)),
+	MK_FLOW_ACTION(VXLAN_DECAP, 0),
+	MK_FLOW_ACTION(NVGRE_ENCAP, sizeof(struct rte_flow_action_vxlan_encap)),
+	MK_FLOW_ACTION(NVGRE_DECAP, 0),
 };
 
 static int
@@ -407,11 +420,16 @@ rte_flow_conv_action_conf(void *buf, const size_t size,
 	switch (action->type) {
 		union {
 			const struct rte_flow_action_rss *rss;
+			const struct rte_flow_action_vxlan_encap *vxlan_encap;
+			const struct rte_flow_action_nvgre_encap *nvgre_encap;
 		} src;
 		union {
 			struct rte_flow_action_rss *rss;
+			struct rte_flow_action_vxlan_encap *vxlan_encap;
+			struct rte_flow_action_nvgre_encap *nvgre_encap;
 		} dst;
 		size_t tmp;
+		int ret;
 
 	case RTE_FLOW_ACTION_TYPE_RSS:
 		src.rss = action->conf;
@@ -445,6 +463,34 @@ rte_flow_conv_action_conf(void *buf, const size_t size,
 			off += tmp;
 		}
 		break;
+	case RTE_FLOW_ACTION_TYPE_VXLAN_ENCAP:
+	case RTE_FLOW_ACTION_TYPE_NVGRE_ENCAP:
+		src.vxlan_encap = action->conf;
+		dst.vxlan_encap = buf;
+		RTE_BUILD_BUG_ON(sizeof(*src.vxlan_encap) !=
+				 sizeof(*src.nvgre_encap) ||
+				 offsetof(struct rte_flow_action_vxlan_encap,
+					  definition) !=
+				 offsetof(struct rte_flow_action_nvgre_encap,
+					  definition));
+		off = sizeof(*dst.vxlan_encap);
+		if (src.vxlan_encap->definition) {
+			off = RTE_ALIGN_CEIL
+				(off, sizeof(*dst.vxlan_encap->definition));
+			ret = rte_flow_conv
+				(RTE_FLOW_CONV_OP_PATTERN,
+				 (void *)((uintptr_t)dst.vxlan_encap + off),
+				 size > off ? size - off : 0,
+				 src.vxlan_encap->definition, NULL);
+			if (ret < 0)
+				return 0;
+			if (size >= off + ret)
+				dst.vxlan_encap->definition =
+					(void *)((uintptr_t)dst.vxlan_encap +
+						 off);
+			off += ret;
+		}
+		break;
 	default:
 		off = rte_flow_desc_action[action->type].size;
 		rte_memcpy(buf, action->conf, (size > off ? off : size));
-- 
2.11.0