[PATCH 06/19] common/cnxk: add new mailbox to configure LSO alt flags

[Nithin Dabilpuram <ndabilpuram@marvell.com>]

From: Satha Rao <skoteshwar@marvell.com>

LSO enahanced to support flags modification. Added new mbox to enable
this feature.

Signed-off-by: Satha Rao <skoteshwar@marvell.com>
---
 drivers/common/cnxk/hw/nix.h | 46 ++++++++++++++++++++++++++++--------
 1 file changed, 36 insertions(+), 10 deletions(-)

diff --git a/drivers/common/cnxk/hw/nix.h b/drivers/common/cnxk/hw/nix.h
index d16fa3b3ec..f5811ee1ab 100644
--- a/drivers/common/cnxk/hw/nix.h
+++ b/drivers/common/cnxk/hw/nix.h
@@ -2508,18 +2508,44 @@ struct nix_lso_format {
 	uint64_t sizem1 : 2;
 	uint64_t rsvd_14_15 : 2;
 	uint64_t alg : 3;
-	uint64_t rsvd_19_63 : 45;
+	uint64_t alt_flags : 1;
+	uint64_t alt_flags_index : 2;
+	uint64_t shift : 3;
+	uint64_t rsvd_25_63 : 39;
 };
 
-#define NIX_LSO_FIELD_MAX      (8)
-#define NIX_LSO_FIELD_ALG_MASK GENMASK(18, 16)
-#define NIX_LSO_FIELD_SZ_MASK  GENMASK(13, 12)
-#define NIX_LSO_FIELD_LY_MASK  GENMASK(9, 8)
-#define NIX_LSO_FIELD_OFF_MASK GENMASK(7, 0)
-
-#define NIX_LSO_FIELD_MASK                                                     \
-	(NIX_LSO_FIELD_OFF_MASK | NIX_LSO_FIELD_LY_MASK |                      \
-	 NIX_LSO_FIELD_SZ_MASK | NIX_LSO_FIELD_ALG_MASK)
+/* NIX LSO ALT_FLAGS field structure */
+typedef union nix_lso_alt_flg_format {
+	uint64_t u[2];
+
+	struct nix_lso_alt_flg_cfg {
+		/* NIX_AF_LSO_ALT_FLAGS_CFG */
+		uint64_t alt_msf_set : 16;
+		uint64_t alt_msf_mask : 16;
+		uint64_t alt_fsf_set : 16;
+		uint64_t alt_fsf_mask : 16;
+
+		/* NIX_AF_LSO_ALT_FLAGS_CFG1 */
+		uint64_t alt_lsf_set : 16;
+		uint64_t alt_lsf_mask : 16;
+		uint64_t alt_ssf_set : 16;
+		uint64_t alt_ssf_mask : 16;
+	} s;
+} nix_lso_alt_flg_format_t;
+
+#define NIX_LSO_FIELD_MAX	       (8)
+#define NIX_LSO_FIELD_SHIFT_MASK       GENMASK(24, 22)
+#define NIX_LSO_FIELD_ALT_FLG_IDX_MASK GENMASK(21, 20)
+#define NIX_LSO_FIELD_ALT_FLG_MASK     BIT_ULL(19)
+#define NIX_LSO_FIELD_ALG_MASK	       GENMASK(18, 16)
+#define NIX_LSO_FIELD_SZ_MASK	       GENMASK(13, 12)
+#define NIX_LSO_FIELD_LY_MASK	       GENMASK(9, 8)
+#define NIX_LSO_FIELD_OFF_MASK	       GENMASK(7, 0)
+
+#define NIX_LSO_FIELD_MASK                                                                         \
+	(NIX_LSO_FIELD_OFF_MASK | NIX_LSO_FIELD_LY_MASK | NIX_LSO_FIELD_SZ_MASK |                  \
+	 NIX_LSO_FIELD_ALG_MASK | NIX_LSO_FIELD_ALT_FLG_MASK | NIX_LSO_FIELD_ALT_FLG_IDX_MASK |    \
+	 NIX_LSO_FIELD_SHIFT_MASK)
 
 #define NIX_CN9K_MAX_HW_FRS 9212UL
 #define NIX_LBK_MAX_HW_FRS  65535UL
-- 
2.34.1