[dpdk-dev] [PATCH 14/27] common/cnxk: add inline IPsec support in rte flow

[Nithin Dabilpuram <ndabilpuram@marvell.com>]

From: Satheesh Paul <psatheesh@marvell.com>

Add support to configure flow rules with inline IPsec action.

Signed-off-by: Satheesh Paul <psatheesh@marvell.com>
---
 drivers/common/cnxk/roc_nix_inl.h      |  4 ++++
 drivers/common/cnxk/roc_nix_inl_dev.c  |  3 +++
 drivers/common/cnxk/roc_nix_inl_priv.h |  3 +++
 drivers/common/cnxk/roc_npc_mcam.c     | 28 ++++++++++++++++++++++++++--
 4 files changed, 36 insertions(+), 2 deletions(-)

diff --git a/drivers/common/cnxk/roc_nix_inl.h b/drivers/common/cnxk/roc_nix_inl.h
index efc5a19..1f7ec4f 100644
--- a/drivers/common/cnxk/roc_nix_inl.h
+++ b/drivers/common/cnxk/roc_nix_inl.h
@@ -107,6 +107,10 @@ struct roc_nix_inl_dev {
 	struct plt_pci_device *pci_dev;
 	uint16_t ipsec_in_max_spi;
 	bool selftest;
+	bool is_multi_channel;
+	uint16_t channel;
+	uint16_t chan_mask;
+
 	/* End of input parameters */
 
 #define ROC_NIX_INL_MEM_SZ (1024)
diff --git a/drivers/common/cnxk/roc_nix_inl_dev.c b/drivers/common/cnxk/roc_nix_inl_dev.c
index 214f183..2dc2188 100644
--- a/drivers/common/cnxk/roc_nix_inl_dev.c
+++ b/drivers/common/cnxk/roc_nix_inl_dev.c
@@ -461,6 +461,9 @@ roc_nix_inl_dev_init(struct roc_nix_inl_dev *roc_inl_dev)
 	inl_dev->pci_dev = pci_dev;
 	inl_dev->ipsec_in_max_spi = roc_inl_dev->ipsec_in_max_spi;
 	inl_dev->selftest = roc_inl_dev->selftest;
+	inl_dev->is_multi_channel = roc_inl_dev->is_multi_channel;
+	inl_dev->channel = roc_inl_dev->channel;
+	inl_dev->chan_mask = roc_inl_dev->chan_mask;
 
 	/* Initialize base device */
 	rc = dev_init(&inl_dev->dev, pci_dev);
diff --git a/drivers/common/cnxk/roc_nix_inl_priv.h b/drivers/common/cnxk/roc_nix_inl_priv.h
index ab38062..a302118 100644
--- a/drivers/common/cnxk/roc_nix_inl_priv.h
+++ b/drivers/common/cnxk/roc_nix_inl_priv.h
@@ -45,6 +45,9 @@ struct nix_inl_dev {
 
 	/* Device arguments */
 	uint8_t selftest;
+	uint16_t channel;
+	uint16_t chan_mask;
+	bool is_multi_channel;
 	uint16_t ipsec_in_max_spi;
 };
 
diff --git a/drivers/common/cnxk/roc_npc_mcam.c b/drivers/common/cnxk/roc_npc_mcam.c
index 8ccaaad..4985d22 100644
--- a/drivers/common/cnxk/roc_npc_mcam.c
+++ b/drivers/common/cnxk/roc_npc_mcam.c
@@ -503,8 +503,11 @@ npc_mcam_alloc_and_write(struct npc *npc, struct roc_npc_flow *flow,
 {
 	int use_ctr = (flow->ctr_id == NPC_COUNTER_NONE ? 0 : 1);
 	struct npc_mcam_write_entry_req *req;
+	struct nix_inl_dev *inl_dev = NULL;
 	struct mbox *mbox = npc->mbox;
 	struct mbox_msghdr *rsp;
+	struct idev_cfg *idev;
+	uint16_t pf_func = 0;
 	uint16_t ctr = ~(0);
 	int rc, idx;
 	int entry;
@@ -553,9 +556,30 @@ npc_mcam_alloc_and_write(struct npc *npc, struct roc_npc_flow *flow,
 		req->entry_data.kw_mask[idx] = flow->mcam_mask[idx];
 	}
 
+	idev = idev_get_cfg();
+	if (idev)
+		inl_dev = idev->nix_inl_dev;
+
 	if (flow->nix_intf == NIX_INTF_RX) {
-		req->entry_data.kw[0] |= (uint64_t)npc->channel;
-		req->entry_data.kw_mask[0] |= (BIT_ULL(12) - 1);
+		if (inl_dev && inl_dev->is_multi_channel &&
+		    (flow->npc_action & NIX_RX_ACTIONOP_UCAST_IPSEC)) {
+			req->entry_data.kw[0] |= (uint64_t)inl_dev->channel;
+			req->entry_data.kw_mask[0] |=
+				(uint64_t)inl_dev->chan_mask;
+			pf_func = nix_inl_dev_pffunc_get();
+			req->entry_data.action &= ~(GENMASK(19, 4));
+			req->entry_data.action |= (uint64_t)pf_func << 4;
+
+			flow->npc_action &= ~(GENMASK(19, 4));
+			flow->npc_action |= (uint64_t)pf_func << 4;
+			flow->mcam_data[0] |= (uint64_t)inl_dev->channel;
+			flow->mcam_mask[0] |= (uint64_t)inl_dev->chan_mask;
+		} else {
+			req->entry_data.kw[0] |= (uint64_t)npc->channel;
+			req->entry_data.kw_mask[0] |= (BIT_ULL(12) - 1);
+			flow->mcam_data[0] |= (uint64_t)npc->channel;
+			flow->mcam_mask[0] |= (BIT_ULL(12) - 1);
+		}
 	} else {
 		uint16_t pf_func = (flow->npc_action >> 4) & 0xffff;
 
-- 
2.8.4