[PATCH 1/6] common/cnxk: config of CPT result address offset

[Rahul Bhansali]

From: Monendra Singh Kushwaha <kmonendra at marvell.com>

This patch enables setting CPT result address offset relative
to wqe address.

Signed-off-by: Monendra Singh Kushwaha <kmonendra at marvell.com>
---
Depends-on: series-34970 ("[v2,1/3] common/cnxk: update steer rule mbox for cn20k")

 drivers/common/cnxk/roc_mbox.h         | 4 ++++
 drivers/common/cnxk/roc_nix.c          | 5 +++++
 drivers/common/cnxk/roc_nix.h          | 2 ++
 drivers/common/cnxk/roc_nix_inl.c      | 7 +++++++
 drivers/common/cnxk/roc_nix_inl.h      | 2 ++
 drivers/common/cnxk/roc_nix_inl_dev.c  | 7 +++++++
 drivers/common/cnxk/roc_nix_inl_priv.h | 1 +
 7 files changed, 28 insertions(+)

diff --git a/drivers/common/cnxk/roc_mbox.h b/drivers/common/cnxk/roc_mbox.h
index a82d120d1d..255e0f0fe0 100644
--- a/drivers/common/cnxk/roc_mbox.h
+++ b/drivers/common/cnxk/roc_mbox.h
@@ -2095,6 +2095,10 @@ struct nix_inline_ipsec_lf_cfg {
 		uint8_t __io sa_idx_w;
 	} ipsec_cfg1;
 	uint8_t __io enable;
+	struct {
+		uint8_t __io res_addr_offset;
+		uint8_t __io res_addr_offset_valid;
+	} ipsec_cfg0_ext;
 };

 struct nix_hw_info {
diff --git a/drivers/common/cnxk/roc_nix.c b/drivers/common/cnxk/roc_nix.c
index e4d7e11121..477c7d5ca0 100644
--- a/drivers/common/cnxk/roc_nix.c
+++ b/drivers/common/cnxk/roc_nix.c
@@ -120,6 +120,11 @@ roc_nix_lf_inl_ipsec_cfg(struct roc_nix *roc_nix, struct roc_nix_ipsec_cfg *cfg,
 		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;
+		if (cfg->res_addr_offset) {
+			lf_cfg->ipsec_cfg0_ext.res_addr_offset_valid = 1;
+			lf_cfg->ipsec_cfg0_ext.res_addr_offset =
+				(cfg->res_addr_offset & 0x80) | abs(cfg->res_addr_offset);
+		}
 	} else {
 		lf_cfg->enable = 0;
 	}
diff --git a/drivers/common/cnxk/roc_nix.h b/drivers/common/cnxk/roc_nix.h
index a1bd14ffc4..80392e7e1b 100644
--- a/drivers/common/cnxk/roc_nix.h
+++ b/drivers/common/cnxk/roc_nix.h
@@ -431,6 +431,7 @@ struct roc_nix_ipsec_cfg {
 	plt_iova_t iova;
 	uint16_t max_sa;
 	uint8_t tt;
+	int8_t res_addr_offset;
 };

 /* Link status update callback */
@@ -469,6 +470,7 @@ struct roc_nix {
 	uint32_t dwrr_mtu;
 	bool ipsec_out_sso_pffunc;
 	bool custom_sa_action;
+	int8_t res_addr_offset;
 	bool local_meta_aura_ena;
 	uint32_t meta_buf_sz;
 	bool force_rx_aura_bp;
diff --git a/drivers/common/cnxk/roc_nix_inl.c b/drivers/common/cnxk/roc_nix_inl.c
index 8ade58e1a2..6afdfb6b85 100644
--- a/drivers/common/cnxk/roc_nix_inl.c
+++ b/drivers/common/cnxk/roc_nix_inl.c
@@ -471,6 +471,11 @@ nix_inl_inb_ipsec_sa_tbl_setup(struct roc_nix *roc_nix)
 		lf_cfg->ipsec_cfg0.sa_pow2_size = sa_pow2_sz;
 		lf_cfg->ipsec_cfg0.tag_const = 0;
 		lf_cfg->ipsec_cfg0.tt = SSO_TT_ORDERED;
+		if (roc_nix->res_addr_offset) {
+			lf_cfg->ipsec_cfg0_ext.res_addr_offset_valid = 1;
+			lf_cfg->ipsec_cfg0_ext.res_addr_offset =
+				(roc_nix->res_addr_offset & 0x80) | abs(roc_nix->res_addr_offset);
+		}
 	} else {
 		struct nix_rx_inl_lf_cfg_req *lf_cfg;
 		uint64_t def_cptq = 0;
@@ -2155,6 +2160,8 @@ roc_nix_inl_inb_tag_update(struct roc_nix *roc_nix, uint32_t tag_const,
 	cfg.max_sa = nix->inb_spi_mask + 1;
 	cfg.tt = tt;
 	cfg.tag_const = tag_const;
+	if (roc_nix->res_addr_offset)
+		cfg.res_addr_offset = roc_nix->res_addr_offset;

 	return roc_nix_lf_inl_ipsec_cfg(roc_nix, &cfg, true);
 }
diff --git a/drivers/common/cnxk/roc_nix_inl.h b/drivers/common/cnxk/roc_nix_inl.h
index dab4918535..4ef1908696 100644
--- a/drivers/common/cnxk/roc_nix_inl.h
+++ b/drivers/common/cnxk/roc_nix_inl.h
@@ -99,6 +99,8 @@ struct roc_nix_inl_dev {
 	uint8_t rx_inj_ena; /* Rx Inject Enable */
 	uint8_t custom_inb_sa;
 	uint8_t nb_inb_cptlfs;
+	int8_t res_addr_offset; /* CPT result address offset */
+
 	/* End of input parameters */

 #define ROC_NIX_INL_MEM_SZ (6144)
diff --git a/drivers/common/cnxk/roc_nix_inl_dev.c b/drivers/common/cnxk/roc_nix_inl_dev.c
index 376582f5db..1db05741ad 100644
--- a/drivers/common/cnxk/roc_nix_inl_dev.c
+++ b/drivers/common/cnxk/roc_nix_inl_dev.c
@@ -365,6 +365,12 @@ nix_inl_nix_ipsec_cfg(struct nix_inl_dev *inl_dev, bool ena)

 			lf_cfg->ipsec_cfg0.tag_const = 0;
 			lf_cfg->ipsec_cfg0.tt = SSO_TT_ORDERED;
+			if (inl_dev->res_addr_offset) {
+				lf_cfg->ipsec_cfg0_ext.res_addr_offset_valid = 1;
+				lf_cfg->ipsec_cfg0_ext.res_addr_offset =
+					(inl_dev->res_addr_offset & 0x80) |
+					abs(inl_dev->res_addr_offset);
+			}
 		} else {
 			lf_cfg->enable = 0;
 		}
@@ -1370,6 +1376,7 @@ roc_nix_inl_dev_init(struct roc_nix_inl_dev *roc_inl_dev)
 	inl_dev->nix_inb_q_bpid = -1;
 	inl_dev->nb_cptlf = 1;
 	inl_dev->ipsec_prof_id = 0;
+	inl_dev->res_addr_offset = roc_inl_dev->res_addr_offset;

 	if (roc_model_is_cn9k() || roc_model_is_cn10k())
 		inl_dev->eng_grpmask = (1ULL << ROC_LEGACY_CPT_DFLT_ENG_GRP_SE |
diff --git a/drivers/common/cnxk/roc_nix_inl_priv.h b/drivers/common/cnxk/roc_nix_inl_priv.h
index 8b3bd43547..33073b2f34 100644
--- a/drivers/common/cnxk/roc_nix_inl_priv.h
+++ b/drivers/common/cnxk/roc_nix_inl_priv.h
@@ -67,6 +67,7 @@ struct nix_inl_dev {
 	uint16_t inb_sa_sz[NIX_INL_PROFILE_CNT];
 	uint32_t inb_sa_max[NIX_INL_PROFILE_CNT];
 	uint8_t nb_cptlf;
+	int8_t res_addr_offset;

 	/* CPT data */
 	struct roc_cpt_lf cpt_lf[MAX_NIX_INL_DEV_CPT_LF];
--
2.25.1