[dpdk-dev] [PATCH v3 23/52] common/cnxk: add nix inline IPsec config API

[Nithin Dabilpuram <ndabilpuram@marvell.com>]

From: Vidya Sagar Velumuri <vvelumuri@marvell.com>

Add API to configure NIX block for inline IPSec.

Signed-off-by: Vidya Sagar Velumuri <vvelumuri@marvell.com>
---
 drivers/common/cnxk/roc_nix.c   | 28 ++++++++++++++++++++++++++++
 drivers/common/cnxk/roc_nix.h   | 10 ++++++++++
 drivers/common/cnxk/version.map |  1 +
 3 files changed, 39 insertions(+)

diff --git a/drivers/common/cnxk/roc_nix.c b/drivers/common/cnxk/roc_nix.c
index e64936e..0621976 100644
--- a/drivers/common/cnxk/roc_nix.c
+++ b/drivers/common/cnxk/roc_nix.c
@@ -81,6 +81,34 @@ roc_nix_get_pf_func(struct roc_nix *roc_nix)
 }
 
 int
+roc_nix_lf_inl_ipsec_cfg(struct roc_nix *roc_nix, struct roc_nix_ipsec_cfg *cfg,
+			 bool enb)
+{
+	struct nix *nix = roc_nix_to_nix_priv(roc_nix);
+	struct nix_inline_ipsec_lf_cfg *lf_cfg;
+	struct mbox *mbox = (&nix->dev)->mbox;
+
+	lf_cfg = mbox_alloc_msg_nix_inline_ipsec_lf_cfg(mbox);
+	if (lf_cfg == NULL)
+		return -ENOSPC;
+
+	if (enb) {
+		lf_cfg->enable = 1;
+		lf_cfg->sa_base_addr = cfg->iova;
+		lf_cfg->ipsec_cfg1.sa_idx_w = plt_log2_u32(cfg->max_sa);
+		lf_cfg->ipsec_cfg0.lenm1_max = roc_nix_max_pkt_len(roc_nix) - 1;
+		lf_cfg->ipsec_cfg1.sa_idx_max = cfg->max_sa - 1;
+		lf_cfg->ipsec_cfg0.sa_pow2_size = plt_log2_u32(cfg->sa_size);
+		lf_cfg->ipsec_cfg0.tag_const = cfg->tag_const;
+		lf_cfg->ipsec_cfg0.tt = cfg->tt;
+	} else {
+		lf_cfg->enable = 0;
+	}
+
+	return mbox_process(mbox);
+}
+
+int
 roc_nix_max_pkt_len(struct roc_nix *roc_nix)
 {
 	struct nix *nix = roc_nix_to_nix_priv(roc_nix);
diff --git a/drivers/common/cnxk/roc_nix.h b/drivers/common/cnxk/roc_nix.h
index 638f827..1c097cb 100644
--- a/drivers/common/cnxk/roc_nix.h
+++ b/drivers/common/cnxk/roc_nix.h
@@ -110,6 +110,14 @@ struct roc_nix_link_info {
 	uint64_t port : 8;
 };
 
+struct roc_nix_ipsec_cfg {
+	uint32_t sa_size;
+	uint32_t tag_const;
+	plt_iova_t iova;
+	uint16_t max_sa;
+	uint8_t tt;
+};
+
 /* Link status update callback */
 typedef void (*link_status_t)(struct roc_nix *roc_nix,
 			      struct roc_nix_link_info *link);
@@ -156,6 +164,8 @@ int __roc_api roc_nix_max_pkt_len(struct roc_nix *roc_nix);
 int __roc_api roc_nix_lf_alloc(struct roc_nix *roc_nix, uint32_t nb_rxq,
 			       uint32_t nb_txq, uint64_t rx_cfg);
 int __roc_api roc_nix_lf_free(struct roc_nix *roc_nix);
+int __roc_api roc_nix_lf_inl_ipsec_cfg(struct roc_nix *roc_nix,
+				       struct roc_nix_ipsec_cfg *cfg, bool enb);
 
 /* IRQ */
 void __roc_api roc_nix_rx_queue_intr_enable(struct roc_nix *roc_nix,
diff --git a/drivers/common/cnxk/version.map b/drivers/common/cnxk/version.map
index 2ca6368..fdb1aee 100644
--- a/drivers/common/cnxk/version.map
+++ b/drivers/common/cnxk/version.map
@@ -28,6 +28,7 @@ INTERNAL {
 	roc_nix_is_sdp;
 	roc_nix_is_vf_or_sdp;
 	roc_nix_lf_alloc;
+	roc_nix_lf_inl_ipsec_cfg;
 	roc_nix_lf_free;
 	roc_nix_mac_addr_add;
 	roc_nix_mac_addr_del;
-- 
2.8.4