[dpdk-dev] [PATCH] net/octeontx2: add PF and VF action support

[kirankumark at marvell.com]

From: Kiran Kumar K <kirankumark at marvell.com>

Adding PF and VF action support for octeontx2 Flow.
If RTE_FLOW_ACTION_TYPE_PF action is set from VF, then the packet
will be sent to the parent PF.
If RTE_FLOW_ACTION_TYPE_VF action is set and original is specified,
then the packet will be sent to the original VF, otherwise the packet
will be sent to the VF specified in the vf_id.

Signed-off-by: Kiran Kumar K <kirankumark at marvell.com>
---
 doc/guides/nics/octeontx2.rst           |  4 ++++
 drivers/net/octeontx2/otx2_flow.h       |  2 ++
 drivers/net/octeontx2/otx2_flow_parse.c | 32 ++++++++++++++++++++++---
 3 files changed, 35 insertions(+), 3 deletions(-)

diff --git a/doc/guides/nics/octeontx2.rst b/doc/guides/nics/octeontx2.rst
index a8ed3838f..fbf4c4726 100644
--- a/doc/guides/nics/octeontx2.rst
+++ b/doc/guides/nics/octeontx2.rst
@@ -292,6 +292,10 @@ Actions:
    +----+--------------------------------+
    | 8  | RTE_FLOW_ACTION_TYPE_SECURITY  |
    +----+--------------------------------+
+   | 9  | RTE_FLOW_ACTION_TYPE_PF        |
+   +----+--------------------------------+
+   | 10 | RTE_FLOW_ACTION_TYPE_VF        |
+   +----+--------------------------------+
 
 .. _table_octeontx2_supported_egress_action_types:
 
diff --git a/drivers/net/octeontx2/otx2_flow.h b/drivers/net/octeontx2/otx2_flow.h
index f5cc3b983..a27ceeb1a 100644
--- a/drivers/net/octeontx2/otx2_flow.h
+++ b/drivers/net/octeontx2/otx2_flow.h
@@ -52,6 +52,8 @@ enum {
 #define OTX2_FLOW_ACT_DUP     (1 << 5)
 #define OTX2_FLOW_ACT_SEC     (1 << 6)
 #define OTX2_FLOW_ACT_COUNT   (1 << 7)
+#define OTX2_FLOW_ACT_PF      (1 << 8)
+#define OTX2_FLOW_ACT_VF      (1 << 9)
 
 /* terminating actions */
 #define OTX2_FLOW_ACT_TERM    (OTX2_FLOW_ACT_DROP  | \
diff --git a/drivers/net/octeontx2/otx2_flow_parse.c b/drivers/net/octeontx2/otx2_flow_parse.c
index 1940cc636..3e6f5b8df 100644
--- a/drivers/net/octeontx2/otx2_flow_parse.c
+++ b/drivers/net/octeontx2/otx2_flow_parse.c
@@ -751,15 +751,17 @@ otx2_flow_parse_actions(struct rte_eth_dev *dev,
 	const struct rte_flow_action_count *act_count;
 	const struct rte_flow_action_mark *act_mark;
 	const struct rte_flow_action_queue *act_q;
+	const struct rte_flow_action_vf *vf_act;
 	const char *errmsg = NULL;
 	int sel_act, req_act = 0;
-	uint16_t pf_func;
+	uint16_t pf_func, vf_id;
 	int errcode = 0;
 	int mark = 0;
 	int rq = 0;
 
 	/* Initialize actions */
 	flow->ctr_id = NPC_COUNTER_NONE;
+	pf_func = otx2_pfvf_func(hw->pf, hw->vf);
 
 	for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
 		otx2_npc_dbg("Action type = %d", actions->type);
@@ -807,6 +809,27 @@ otx2_flow_parse_actions(struct rte_eth_dev *dev,
 			req_act |= OTX2_FLOW_ACT_DROP;
 			break;
 
+		case RTE_FLOW_ACTION_TYPE_PF:
+			req_act |= OTX2_FLOW_ACT_PF;
+			pf_func &= (0xfc00);
+			break;
+
+		case RTE_FLOW_ACTION_TYPE_VF:
+			vf_act = (const struct rte_flow_action_vf *)
+				actions->conf;
+			req_act |= OTX2_FLOW_ACT_VF;
+			if (vf_act->original == 0) {
+				vf_id = (vf_act->id & RVU_PFVF_FUNC_MASK) + 1;
+				if (vf_id  >= hw->maxvf) {
+					errmsg = "invalid vf specified";
+					errcode = EINVAL;
+					goto err_exit;
+				}
+				pf_func &= (0xfc00);
+				pf_func = (pf_func | vf_id);
+			}
+			break;
+
 		case RTE_FLOW_ACTION_TYPE_QUEUE:
 			/* Applicable only to ingress flow */
 			act_q = (const struct rte_flow_action_queue *)
@@ -902,7 +925,11 @@ otx2_flow_parse_actions(struct rte_eth_dev *dev,
 	}
 
 	/* Set NIX_RX_ACTIONOP */
-	if (req_act & OTX2_FLOW_ACT_DROP) {
+	if (req_act & (OTX2_FLOW_ACT_PF | OTX2_FLOW_ACT_VF)) {
+		flow->npc_action = NIX_RX_ACTIONOP_UCAST;
+		if (req_act & OTX2_FLOW_ACT_QUEUE)
+			flow->npc_action |= (uint64_t)rq << 20;
+	} else if (req_act & OTX2_FLOW_ACT_DROP) {
 		flow->npc_action = NIX_RX_ACTIONOP_DROP;
 	} else if (req_act & OTX2_FLOW_ACT_QUEUE) {
 		flow->npc_action = NIX_RX_ACTIONOP_UCAST;
@@ -946,7 +973,6 @@ otx2_flow_parse_actions(struct rte_eth_dev *dev,
 
 set_pf_func:
 	/* Ideally AF must ensure that correct pf_func is set */
-	pf_func = otx2_pfvf_func(hw->pf, hw->vf);
 	flow->npc_action |= (uint64_t)pf_func << 4;
 
 	return 0;
-- 
2.17.1