[dpdk-dev] [PATCH 1/2] common/cnxk: support fragmented flags in KPU profile

[psatheesh]

From: Satheesh Paul <psathe...@marvell.com>

In the CN20K device, only 4 bits are available for flags.
Adjust the fragmented flags to fit into the lower 4 bits.

Signed-off-by: Kiran Kumar K <kirankum...@marvell.com>
Signed-off-by: Satheesh Paul <psathe...@marvell.com>
Reviewed-by: Jerin Jacob <jer...@marvell.com>
---
 drivers/common/cnxk/hw/npc.h        | 12 ++++++++++++
 drivers/common/cnxk/roc_npc_parse.c | 12 ++++++++++--
 2 files changed, 22 insertions(+), 2 deletions(-)

diff --git a/drivers/common/cnxk/hw/npc.h b/drivers/common/cnxk/hw/npc.h
index 4164c6ac2e..52b41a1a54 100644
--- a/drivers/common/cnxk/hw/npc.h
+++ b/drivers/common/cnxk/hw/npc.h
@@ -314,6 +314,18 @@ enum npc_kpu_lb_lflag {
        NPC_F_LB_L_FDSA,
 };
 
+enum npc_cn20k_kpu_lc_uflag {
+       NPC_CN20K_F_LC_U_MPLS_IN_IP = 0x20,
+       NPC_CN20K_F_LC_U_IP6_TUN_IP6 = 0x40,
+       NPC_CN20K_F_LC_U_IP6_MPLS_IN_IP = 0x80,
+};
+
+enum npc_cn20k_kpu_lc_lflag {
+       NPC_CN20K_F_LC_L_IP_FRAG = 2,
+       NPC_CN20K_F_LC_L_IP6_FRAG,
+       NPC_CN20K_F_LC_L_6TO4,
+};
+
 enum npc_kpu_lc_uflag {
        NPC_F_LC_U_UNK_PROTO = 0x10,
        NPC_F_LC_U_IP_FRAG = 0x20,
diff --git a/drivers/common/cnxk/roc_npc_parse.c 
b/drivers/common/cnxk/roc_npc_parse.c
index 0aaf86c768..b52024f434 100644
--- a/drivers/common/cnxk/roc_npc_parse.c
+++ b/drivers/common/cnxk/roc_npc_parse.c
@@ -1,7 +1,9 @@
 /* SPDX-License-Identifier: BSD-3-Clause
  * Copyright(C) 2021 Marvell.
  */
+
 #include "roc_api.h"
+#include "roc_model.h"
 #include "roc_priv.h"
 
 const struct roc_npc_item_info *
@@ -708,7 +710,10 @@ npc_handle_ipv6ext_attr(const struct 
roc_npc_flow_item_ipv6 *ipv6_spec,
                flags_count++;
        }
        if (ipv6_spec->has_frag_ext) {
-               *flags = NPC_F_LC_U_IP6_FRAG;
+               if (roc_model_is_cn20k())
+                       *flags = NPC_CN20K_F_LC_L_IP6_FRAG;
+               else
+                       *flags = NPC_F_LC_U_IP6_FRAG;
                flags_count++;
        }
        if (ipv6_spec->has_dest_ext) {
@@ -822,7 +827,10 @@ npc_process_ipv6_item(struct npc_parse_state *pst)
                } else if (pattern->type == ROC_NPC_ITEM_TYPE_IPV6_FRAG_EXT) {
                        item_count++;
                        ltype = NPC_LT_LC_IP6_EXT;
-                       flags = NPC_F_LC_U_IP6_FRAG;
+                       if (roc_model_is_cn20k())
+                               flags = NPC_CN20K_F_LC_L_IP6_FRAG;
+                       else
+                               flags = NPC_F_LC_U_IP6_FRAG;
                        parse_info.len =
                                sizeof(struct roc_ipv6_hdr) + sizeof(struct 
roc_ipv6_fragment_ext);
                        if (pattern->spec)
-- 
2.42.0