From: Danylo Vodopianov <dvo-...@napatech.com>

Add possibility to use
* RTE_FLOW_ITEM_TYPE_GTP
* RTE_FLOW_ITEM_TYPE_GTP_PSC
* RTE_FLOW_ACTION_TYPE_RAW_ENCAP
* RTE_FLOW_ACTION_TYPE_RAW_DECAP

Signed-off-by: Danylo Vodopianov <dvo-...@napatech.com>
---
 doc/guides/nics/features/ntnic.ini            |   4 +
 drivers/net/ntnic/include/create_elements.h   |   4 +
 drivers/net/ntnic/include/flow_api_engine.h   |  40 ++
 drivers/net/ntnic/include/hw_mod_backend.h    |   4 +
 .../ntnic/include/stream_binary_flow_api.h    |  22 ++
 .../profile_inline/flow_api_profile_inline.c  | 366 +++++++++++++++++-
 drivers/net/ntnic/ntnic_filter/ntnic_filter.c | 278 ++++++++++++-
 7 files changed, 713 insertions(+), 5 deletions(-)

diff --git a/doc/guides/nics/features/ntnic.ini 
b/doc/guides/nics/features/ntnic.ini
index 4201c8e8b9..4cb9509742 100644
--- a/doc/guides/nics/features/ntnic.ini
+++ b/doc/guides/nics/features/ntnic.ini
@@ -16,6 +16,8 @@ x86-64               = Y
 [rte_flow items]
 any                  = Y
 eth                  = Y
+gtp                  = Y
+gtp_psc              = Y
 icmp                 = Y
 icmp6                = Y
 ipv4                 = Y
@@ -33,3 +35,5 @@ mark                 = Y
 modify_field         = Y
 port_id              = Y
 queue                = Y
+raw_decap            = Y
+raw_encap            = Y
diff --git a/drivers/net/ntnic/include/create_elements.h 
b/drivers/net/ntnic/include/create_elements.h
index 179542d2b2..70e6cad195 100644
--- a/drivers/net/ntnic/include/create_elements.h
+++ b/drivers/net/ntnic/include/create_elements.h
@@ -27,6 +27,8 @@ struct cnv_attr_s {
 
 struct cnv_action_s {
        struct rte_flow_action flow_actions[MAX_ACTIONS];
+       struct flow_action_raw_encap encap;
+       struct flow_action_raw_decap decap;
        struct rte_flow_action_queue queue;
 };
 
@@ -52,6 +54,8 @@ enum nt_rte_flow_item_type {
 };
 
 extern rte_spinlock_t flow_lock;
+
+int interpret_raw_data(uint8_t *data, uint8_t *preserve, int size, struct 
rte_flow_item *out);
 int convert_error(struct rte_flow_error *error, struct rte_flow_error 
*rte_flow_error);
 int create_attr(struct cnv_attr_s *attribute, const struct rte_flow_attr 
*attr);
 int create_match_elements(struct cnv_match_s *match, const struct 
rte_flow_item items[],
diff --git a/drivers/net/ntnic/include/flow_api_engine.h 
b/drivers/net/ntnic/include/flow_api_engine.h
index f6557d0d20..b1d39b919b 100644
--- a/drivers/net/ntnic/include/flow_api_engine.h
+++ b/drivers/net/ntnic/include/flow_api_engine.h
@@ -56,6 +56,29 @@ enum res_type_e {
 
 #define MAX_MATCH_FIELDS 16
 
+/*
+ * Tunnel encapsulation header definition
+ */
+#define MAX_TUN_HDR_SIZE 128
+struct tunnel_header_s {
+       union {
+               uint8_t hdr8[MAX_TUN_HDR_SIZE];
+               uint32_t hdr32[(MAX_TUN_HDR_SIZE + 3) / 4];
+       } d;
+       uint32_t user_port_id;
+       uint8_t len;
+
+       uint8_t nb_vlans;
+
+       uint8_t ip_version;     /* 4: v4, 6: v6 */
+       uint16_t ip_csum_precalc;
+
+       uint8_t new_outer;
+       uint8_t l2_len;
+       uint8_t l3_len;
+       uint8_t l4_len;
+};
+
 struct match_elem_s {
        int masked_for_tcam;    /* if potentially selected for TCAM */
        uint32_t e_word[4];
@@ -124,6 +147,23 @@ struct nic_flow_def {
 
        int full_offload;
 
+       /*
+        * Action push tunnel
+        */
+       struct tunnel_header_s tun_hdr;
+
+       /*
+        * If DPDK RTE tunnel helper API used
+        * this holds the tunnel if used in flow
+        */
+       struct tunnel_s *tnl;
+
+       /*
+        * Header Stripper
+        */
+       int header_strip_end_dyn;
+       int header_strip_end_ofs;
+
        /*
         * Modify field
         */
diff --git a/drivers/net/ntnic/include/hw_mod_backend.h 
b/drivers/net/ntnic/include/hw_mod_backend.h
index 6a8a38636f..1b45ea4296 100644
--- a/drivers/net/ntnic/include/hw_mod_backend.h
+++ b/drivers/net/ntnic/include/hw_mod_backend.h
@@ -175,6 +175,10 @@ enum {
        PROT_L4_ICMP = 4
 };
 
+enum {
+       PROT_TUN_GTPV1U = 6,
+};
+
 enum {
        PROT_TUN_L3_OTHER = 0,
        PROT_TUN_L3_IPV4 = 1,
diff --git a/drivers/net/ntnic/include/stream_binary_flow_api.h 
b/drivers/net/ntnic/include/stream_binary_flow_api.h
index d878b848c2..8097518d61 100644
--- a/drivers/net/ntnic/include/stream_binary_flow_api.h
+++ b/drivers/net/ntnic/include/stream_binary_flow_api.h
@@ -18,6 +18,7 @@
 
 #define FLOW_MAX_QUEUES 128
 
+#define RAW_ENCAP_DECAP_ELEMS_MAX 16
 /*
  * Flow eth dev profile determines how the FPGA module resources are
  * managed and what features are available
@@ -31,6 +32,27 @@ struct flow_queue_id_s {
        int hw_id;
 };
 
+/*
+ * RTE_FLOW_ACTION_TYPE_RAW_ENCAP
+ */
+struct flow_action_raw_encap {
+       uint8_t *data;
+       uint8_t *preserve;
+       size_t size;
+       struct rte_flow_item items[RAW_ENCAP_DECAP_ELEMS_MAX];
+       int item_count;
+};
+
+/*
+ * RTE_FLOW_ACTION_TYPE_RAW_DECAP
+ */
+struct flow_action_raw_decap {
+       uint8_t *data;
+       size_t size;
+       struct rte_flow_item items[RAW_ENCAP_DECAP_ELEMS_MAX];
+       int item_count;
+};
+
 struct flow_eth_dev;             /* port device */
 struct flow_handle;
 
diff --git 
a/drivers/net/ntnic/nthw/flow_api/profile_inline/flow_api_profile_inline.c 
b/drivers/net/ntnic/nthw/flow_api/profile_inline/flow_api_profile_inline.c
index 2cda2e8b14..9fc4908975 100644
--- a/drivers/net/ntnic/nthw/flow_api/profile_inline/flow_api_profile_inline.c
+++ b/drivers/net/ntnic/nthw/flow_api/profile_inline/flow_api_profile_inline.c
@@ -463,6 +463,202 @@ static int interpret_flow_actions(const struct 
flow_eth_dev *dev,
 
                        break;
 
+               case RTE_FLOW_ACTION_TYPE_RAW_ENCAP:
+                       NT_LOG(DBG, FILTER, "Dev:%p: 
RTE_FLOW_ACTION_TYPE_RAW_ENCAP", dev);
+
+                       if (action[aidx].conf) {
+                               const struct flow_action_raw_encap *encap =
+                                       (const struct flow_action_raw_encap 
*)action[aidx].conf;
+                               const struct flow_action_raw_encap *encap_mask 
= action_mask
+                                       ? (const struct flow_action_raw_encap 
*)action_mask[aidx]
+                                       .conf
+                                       : NULL;
+                               const struct rte_flow_item *items = 
encap->items;
+
+                               if (encap_decap_order != 1) {
+                                       NT_LOG(ERR, FILTER,
+                                               "ERROR: - RAW_ENCAP must follow 
RAW_DECAP.");
+                                       
flow_nic_set_error(ERR_ACTION_UNSUPPORTED, error);
+                                       return -1;
+                               }
+
+                               if (encap->size == 0 || encap->size > 255 ||
+                                       encap->item_count < 2) {
+                                       NT_LOG(ERR, FILTER,
+                                               "ERROR: - RAW_ENCAP data/size 
invalid.");
+                                       
flow_nic_set_error(ERR_ACTION_UNSUPPORTED, error);
+                                       return -1;
+                               }
+
+                               encap_decap_order = 2;
+
+                               fd->tun_hdr.len = (uint8_t)encap->size;
+
+                               if (encap_mask) {
+                                       memcpy_mask_if(fd->tun_hdr.d.hdr8, 
encap->data,
+                                               encap_mask->data, 
fd->tun_hdr.len);
+
+                               } else {
+                                       memcpy(fd->tun_hdr.d.hdr8, encap->data, 
fd->tun_hdr.len);
+                               }
+
+                               while (items->type != RTE_FLOW_ITEM_TYPE_END) {
+                                       switch (items->type) {
+                                       case RTE_FLOW_ITEM_TYPE_ETH:
+                                               fd->tun_hdr.l2_len = 14;
+                                               break;
+
+                                       case RTE_FLOW_ITEM_TYPE_VLAN:
+                                               fd->tun_hdr.nb_vlans += 1;
+                                               fd->tun_hdr.l2_len += 4;
+                                               break;
+
+                                       case RTE_FLOW_ITEM_TYPE_IPV4:
+                                               fd->tun_hdr.ip_version = 4;
+                                               fd->tun_hdr.l3_len = 
sizeof(struct rte_ipv4_hdr);
+                                               fd->tun_hdr.new_outer = 1;
+
+                                               /* Patch length */
+                                               
fd->tun_hdr.d.hdr8[fd->tun_hdr.l2_len + 2] = 0x07;
+                                               
fd->tun_hdr.d.hdr8[fd->tun_hdr.l2_len + 3] = 0xfd;
+                                               break;
+
+                                       case RTE_FLOW_ITEM_TYPE_IPV6:
+                                               fd->tun_hdr.ip_version = 6;
+                                               fd->tun_hdr.l3_len = 
sizeof(struct rte_ipv6_hdr);
+                                               fd->tun_hdr.new_outer = 1;
+
+                                               /* Patch length */
+                                               
fd->tun_hdr.d.hdr8[fd->tun_hdr.l2_len + 4] = 0x07;
+                                               
fd->tun_hdr.d.hdr8[fd->tun_hdr.l2_len + 5] = 0xfd;
+                                               break;
+
+                                       case RTE_FLOW_ITEM_TYPE_SCTP:
+                                               fd->tun_hdr.l4_len = 
sizeof(struct rte_sctp_hdr);
+                                               break;
+
+                                       case RTE_FLOW_ITEM_TYPE_TCP:
+                                               fd->tun_hdr.l4_len = 
sizeof(struct rte_tcp_hdr);
+                                               break;
+
+                                       case RTE_FLOW_ITEM_TYPE_UDP:
+                                               fd->tun_hdr.l4_len = 
sizeof(struct rte_udp_hdr);
+
+                                               /* Patch length */
+                                               
fd->tun_hdr.d.hdr8[fd->tun_hdr.l2_len +
+                                                       fd->tun_hdr.l3_len + 4] 
= 0x07;
+                                               
fd->tun_hdr.d.hdr8[fd->tun_hdr.l2_len +
+                                                       fd->tun_hdr.l3_len + 5] 
= 0xfd;
+                                               break;
+
+                                       case RTE_FLOW_ITEM_TYPE_ICMP:
+                                               fd->tun_hdr.l4_len = 
sizeof(struct rte_icmp_hdr);
+                                               break;
+
+                                       case RTE_FLOW_ITEM_TYPE_ICMP6:
+                                               fd->tun_hdr.l4_len =
+                                                       sizeof(struct 
rte_flow_item_icmp6);
+                                               break;
+
+                                       case RTE_FLOW_ITEM_TYPE_GTP:
+                                               /* Patch length */
+                                               
fd->tun_hdr.d.hdr8[fd->tun_hdr.l2_len +
+                                                       fd->tun_hdr.l3_len +
+                                                       fd->tun_hdr.l4_len + 2] 
= 0x07;
+                                               
fd->tun_hdr.d.hdr8[fd->tun_hdr.l2_len +
+                                                       fd->tun_hdr.l3_len +
+                                                       fd->tun_hdr.l4_len + 3] 
= 0xfd;
+                                               break;
+
+                                       default:
+                                               break;
+                                       }
+
+                                       items++;
+                               }
+
+                               if (fd->tun_hdr.nb_vlans > 3) {
+                                       NT_LOG(ERR, FILTER,
+                                               "ERROR: - Encapsulation with %d 
vlans not supported.",
+                                               (int)fd->tun_hdr.nb_vlans);
+                                       
flow_nic_set_error(ERR_ACTION_UNSUPPORTED, error);
+                                       return -1;
+                               }
+
+                               /* Convert encap data to 128-bit little endian 
*/
+                               for (size_t i = 0; i < (encap->size + 15) / 16; 
++i) {
+                                       uint8_t *data = fd->tun_hdr.d.hdr8 + i 
* 16;
+
+                                       for (unsigned int j = 0; j < 8; ++j) {
+                                               uint8_t t = data[j];
+                                               data[j] = data[15 - j];
+                                               data[15 - j] = t;
+                                       }
+                               }
+                       }
+
+                       break;
+
+               case RTE_FLOW_ACTION_TYPE_RAW_DECAP:
+                       NT_LOG(DBG, FILTER, "Dev:%p: 
RTE_FLOW_ACTION_TYPE_RAW_DECAP", dev);
+
+                       if (action[aidx].conf) {
+                               /* Mask is N/A for RAW_DECAP */
+                               const struct flow_action_raw_decap *decap =
+                                       (const struct flow_action_raw_decap 
*)action[aidx].conf;
+
+                               if (encap_decap_order != 0) {
+                                       NT_LOG(ERR, FILTER,
+                                               "ERROR: - RAW_ENCAP must follow 
RAW_DECAP.");
+                                       
flow_nic_set_error(ERR_ACTION_UNSUPPORTED, error);
+                                       return -1;
+                               }
+
+                               if (decap->item_count < 2) {
+                                       NT_LOG(ERR, FILTER,
+                                               "ERROR: - RAW_DECAP must decap 
something.");
+                                       
flow_nic_set_error(ERR_ACTION_UNSUPPORTED, error);
+                                       return -1;
+                               }
+
+                               encap_decap_order = 1;
+
+                               switch (decap->items[decap->item_count - 
2].type) {
+                               case RTE_FLOW_ITEM_TYPE_ETH:
+                               case RTE_FLOW_ITEM_TYPE_VLAN:
+                                       fd->header_strip_end_dyn = DYN_L3;
+                                       fd->header_strip_end_ofs = 0;
+                                       break;
+
+                               case RTE_FLOW_ITEM_TYPE_IPV4:
+                               case RTE_FLOW_ITEM_TYPE_IPV6:
+                                       fd->header_strip_end_dyn = DYN_L4;
+                                       fd->header_strip_end_ofs = 0;
+                                       break;
+
+                               case RTE_FLOW_ITEM_TYPE_SCTP:
+                               case RTE_FLOW_ITEM_TYPE_TCP:
+                               case RTE_FLOW_ITEM_TYPE_UDP:
+                               case RTE_FLOW_ITEM_TYPE_ICMP:
+                               case RTE_FLOW_ITEM_TYPE_ICMP6:
+                                       fd->header_strip_end_dyn = 
DYN_L4_PAYLOAD;
+                                       fd->header_strip_end_ofs = 0;
+                                       break;
+
+                               case RTE_FLOW_ITEM_TYPE_GTP:
+                                       fd->header_strip_end_dyn = DYN_TUN_L3;
+                                       fd->header_strip_end_ofs = 0;
+                                       break;
+
+                               default:
+                                       fd->header_strip_end_dyn = DYN_L2;
+                                       fd->header_strip_end_ofs = 0;
+                                       break;
+                               }
+                       }
+
+                       break;
+
                case RTE_FLOW_ACTION_TYPE_MODIFY_FIELD:
                        NT_LOG(DBG, FILTER, "Dev:%p: 
RTE_FLOW_ACTION_TYPE_MODIFY_FIELD", dev);
                        {
@@ -1766,6 +1962,174 @@ static int interpret_flow_elements(const struct 
flow_eth_dev *dev,
 
                        break;
 
+               case RTE_FLOW_ITEM_TYPE_GTP:
+                       NT_LOG(DBG, FILTER, "Adap %i, Port %i: 
RTE_FLOW_ITEM_TYPE_GTP",
+                               dev->ndev->adapter_no, dev->port);
+                       {
+                               const struct rte_gtp_hdr *gtp_spec =
+                                       (const struct rte_gtp_hdr 
*)elem[eidx].spec;
+                               const struct rte_gtp_hdr *gtp_mask =
+                                       (const struct rte_gtp_hdr 
*)elem[eidx].mask;
+
+                               if (gtp_spec == NULL || gtp_mask == NULL) {
+                                       fd->tunnel_prot = PROT_TUN_GTPV1U;
+                                       break;
+                               }
+
+                               if (gtp_mask->gtp_hdr_info != 0 ||
+                                       gtp_mask->msg_type != 0 || 
gtp_mask->plen != 0) {
+                                       NT_LOG(ERR, FILTER,
+                                               "Requested GTP field not 
support by running SW version");
+                                       flow_nic_set_error(ERR_FAILED, error);
+                                       return -1;
+                               }
+
+                               if (gtp_mask->teid) {
+                                       if (sw_counter < 2) {
+                                               uint32_t *sw_data =
+                                                       &packet_data[1 - 
sw_counter];
+                                               uint32_t *sw_mask =
+                                                       &packet_mask[1 - 
sw_counter];
+
+                                               sw_mask[0] = 
ntohl(gtp_mask->teid);
+                                               sw_data[0] =
+                                                       ntohl(gtp_spec->teid) & 
sw_mask[0];
+
+                                               km_add_match_elem(&fd->km, 
&sw_data[0],
+                                                       &sw_mask[0], 1,
+                                                       DYN_L4_PAYLOAD, 4);
+                                               set_key_def_sw(key_def, 
sw_counter,
+                                                       DYN_L4_PAYLOAD, 4);
+                                               sw_counter += 1;
+
+                                       } else if (qw_counter < 2 && qw_free > 
0) {
+                                               uint32_t *qw_data =
+                                                       &packet_data[2 + 4 -
+                                                       qw_counter * 4];
+                                               uint32_t *qw_mask =
+                                                       &packet_mask[2 + 4 -
+                                                       qw_counter * 4];
+
+                                               qw_data[0] = 
ntohl(gtp_spec->teid);
+                                               qw_data[1] = 0;
+                                               qw_data[2] = 0;
+                                               qw_data[3] = 0;
+
+                                               qw_mask[0] = 
ntohl(gtp_mask->teid);
+                                               qw_mask[1] = 0;
+                                               qw_mask[2] = 0;
+                                               qw_mask[3] = 0;
+
+                                               qw_data[0] &= qw_mask[0];
+                                               qw_data[1] &= qw_mask[1];
+                                               qw_data[2] &= qw_mask[2];
+                                               qw_data[3] &= qw_mask[3];
+
+                                               km_add_match_elem(&fd->km, 
&qw_data[0],
+                                                       &qw_mask[0], 4,
+                                                       DYN_L4_PAYLOAD, 4);
+                                               set_key_def_qw(key_def, 
qw_counter,
+                                                       DYN_L4_PAYLOAD, 4);
+                                               qw_counter += 1;
+                                               qw_free -= 1;
+
+                                       } else {
+                                               NT_LOG(ERR, FILTER,
+                                                       "Key size too big. Out 
of SW-QW resources.");
+                                               flow_nic_set_error(ERR_FAILED, 
error);
+                                               return -1;
+                                       }
+                               }
+
+                               fd->tunnel_prot = PROT_TUN_GTPV1U;
+                       }
+
+                       break;
+
+               case RTE_FLOW_ITEM_TYPE_GTP_PSC:
+                       NT_LOG(DBG, FILTER, "Adap %i, Port %i: 
RTE_FLOW_ITEM_TYPE_GTP_PSC",
+                               dev->ndev->adapter_no, dev->port);
+                       {
+                               const struct rte_gtp_psc_generic_hdr 
*gtp_psc_spec =
+                                       (const struct rte_gtp_psc_generic_hdr 
*)elem[eidx].spec;
+                               const struct rte_gtp_psc_generic_hdr 
*gtp_psc_mask =
+                                       (const struct rte_gtp_psc_generic_hdr 
*)elem[eidx].mask;
+
+                               if (gtp_psc_spec == NULL || gtp_psc_mask == 
NULL) {
+                                       fd->tunnel_prot = PROT_TUN_GTPV1U;
+                                       break;
+                               }
+
+                               if (gtp_psc_mask->type != 0 ||
+                                       gtp_psc_mask->ext_hdr_len != 0) {
+                                       NT_LOG(ERR, FILTER,
+                                               "Requested GTP PSC field is not 
supported by running SW version");
+                                       flow_nic_set_error(ERR_FAILED, error);
+                                       return -1;
+                               }
+
+                               if (gtp_psc_mask->qfi) {
+                                       if (sw_counter < 2) {
+                                               uint32_t *sw_data =
+                                                       &packet_data[1 - 
sw_counter];
+                                               uint32_t *sw_mask =
+                                                       &packet_mask[1 - 
sw_counter];
+
+                                               sw_mask[0] = 
ntohl(gtp_psc_mask->qfi);
+                                               sw_data[0] = 
ntohl(gtp_psc_spec->qfi) &
+                                                       sw_mask[0];
+
+                                               km_add_match_elem(&fd->km, 
&sw_data[0],
+                                                       &sw_mask[0], 1,
+                                                       DYN_L4_PAYLOAD, 14);
+                                               set_key_def_sw(key_def, 
sw_counter,
+                                                       DYN_L4_PAYLOAD, 14);
+                                               sw_counter += 1;
+
+                                       } else if (qw_counter < 2 && qw_free > 
0) {
+                                               uint32_t *qw_data =
+                                                       &packet_data[2 + 4 -
+                                                       qw_counter * 4];
+                                               uint32_t *qw_mask =
+                                                       &packet_mask[2 + 4 -
+                                                       qw_counter * 4];
+
+                                               qw_data[0] = 
ntohl(gtp_psc_spec->qfi);
+                                               qw_data[1] = 0;
+                                               qw_data[2] = 0;
+                                               qw_data[3] = 0;
+
+                                               qw_mask[0] = 
ntohl(gtp_psc_mask->qfi);
+                                               qw_mask[1] = 0;
+                                               qw_mask[2] = 0;
+                                               qw_mask[3] = 0;
+
+                                               qw_data[0] &= qw_mask[0];
+                                               qw_data[1] &= qw_mask[1];
+                                               qw_data[2] &= qw_mask[2];
+                                               qw_data[3] &= qw_mask[3];
+
+                                               km_add_match_elem(&fd->km, 
&qw_data[0],
+                                                       &qw_mask[0], 4,
+                                                       DYN_L4_PAYLOAD, 14);
+                                               set_key_def_qw(key_def, 
qw_counter,
+                                                       DYN_L4_PAYLOAD, 14);
+                                               qw_counter += 1;
+                                               qw_free -= 1;
+
+                                       } else {
+                                               NT_LOG(ERR, FILTER,
+                                                       "Key size too big. Out 
of SW-QW resources.");
+                                               flow_nic_set_error(ERR_FAILED, 
error);
+                                               return -1;
+                                       }
+                               }
+
+                               fd->tunnel_prot = PROT_TUN_GTPV1U;
+                       }
+
+                       break;
+
                case RTE_FLOW_ITEM_TYPE_PORT_ID:
                        NT_LOG(DBG, FILTER, "Adap %i, Port %i: 
RTE_FLOW_ITEM_TYPE_PORT_ID",
                                dev->ndev->adapter_no, dev->port);
@@ -1929,7 +2293,7 @@ static struct flow_handle *create_flow_filter(struct 
flow_eth_dev *dev, struct n
        uint16_t forced_vlan_vid __rte_unused, uint16_t caller_id,
        struct rte_flow_error *error, uint32_t port_id,
        uint32_t num_dest_port __rte_unused, uint32_t num_queues __rte_unused,
-       uint32_t *packet_data __rte_unused, uint32_t *packet_mask __rte_unused,
+       uint32_t *packet_data, uint32_t *packet_mask __rte_unused,
        struct flm_flow_key_def_s *key_def __rte_unused)
 {
        struct flow_handle *fh = calloc(1, sizeof(struct flow_handle));
diff --git a/drivers/net/ntnic/ntnic_filter/ntnic_filter.c 
b/drivers/net/ntnic/ntnic_filter/ntnic_filter.c
index b9d723c9dd..df391b6399 100644
--- a/drivers/net/ntnic/ntnic_filter/ntnic_filter.c
+++ b/drivers/net/ntnic/ntnic_filter/ntnic_filter.c
@@ -16,6 +16,211 @@
 rte_spinlock_t flow_lock = RTE_SPINLOCK_INITIALIZER;
 static struct rte_flow nt_flows[MAX_RTE_FLOWS];
 
+int interpret_raw_data(uint8_t *data, uint8_t *preserve, int size, struct 
rte_flow_item *out)
+{
+       int hdri = 0;
+       int pkti = 0;
+
+       /* Ethernet */
+       if (size - pkti == 0)
+               goto interpret_end;
+
+       if (size - pkti < (int)sizeof(struct rte_ether_hdr))
+               return -1;
+
+       out[hdri].type = RTE_FLOW_ITEM_TYPE_ETH;
+       out[hdri].spec = &data[pkti];
+       out[hdri].mask = (preserve != NULL) ? &preserve[pkti] : NULL;
+
+       rte_be16_t ether_type = ((struct rte_ether_hdr 
*)&data[pkti])->ether_type;
+
+       hdri += 1;
+       pkti += sizeof(struct rte_ether_hdr);
+
+       if (size - pkti == 0)
+               goto interpret_end;
+
+       /* VLAN */
+       while (ether_type == rte_cpu_to_be_16(RTE_ETHER_TYPE_VLAN) ||
+               ether_type == rte_cpu_to_be_16(RTE_ETHER_TYPE_QINQ) ||
+               ether_type == rte_cpu_to_be_16(RTE_ETHER_TYPE_QINQ1)) {
+               if (size - pkti == 0)
+                       goto interpret_end;
+
+               if (size - pkti < (int)sizeof(struct rte_vlan_hdr))
+                       return -1;
+
+               out[hdri].type = RTE_FLOW_ITEM_TYPE_VLAN;
+               out[hdri].spec = &data[pkti];
+               out[hdri].mask = (preserve != NULL) ? &preserve[pkti] : NULL;
+
+               ether_type = ((struct rte_vlan_hdr *)&data[pkti])->eth_proto;
+
+               hdri += 1;
+               pkti += sizeof(struct rte_vlan_hdr);
+       }
+
+       if (size - pkti == 0)
+               goto interpret_end;
+
+       /* Layer 3 */
+       uint8_t next_header = 0;
+
+       if (ether_type == rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV4) && (data[pkti] 
& 0xF0) == 0x40) {
+               if (size - pkti < (int)sizeof(struct rte_ipv4_hdr))
+                       return -1;
+
+               out[hdri].type = RTE_FLOW_ITEM_TYPE_IPV4;
+               out[hdri].spec = &data[pkti];
+               out[hdri].mask = (preserve != NULL) ? &preserve[pkti] : NULL;
+
+               next_header = data[pkti + 9];
+
+               hdri += 1;
+               pkti += sizeof(struct rte_ipv4_hdr);
+
+       } else {
+               return -1;
+       }
+
+       if (size - pkti == 0)
+               goto interpret_end;
+
+       /* Layer 4 */
+       int gtpu_encap = 0;
+
+       if (next_header == 1) { /* ICMP */
+               if (size - pkti < (int)sizeof(struct rte_icmp_hdr))
+                       return -1;
+
+               out[hdri].type = RTE_FLOW_ITEM_TYPE_ICMP;
+               out[hdri].spec = &data[pkti];
+               out[hdri].mask = (preserve != NULL) ? &preserve[pkti] : NULL;
+
+               hdri += 1;
+               pkti += sizeof(struct rte_icmp_hdr);
+
+       } else if (next_header == 58) { /* ICMP6 */
+               if (size - pkti < (int)sizeof(struct rte_flow_item_icmp6))
+                       return -1;
+
+               out[hdri].type = RTE_FLOW_ITEM_TYPE_ICMP6;
+               out[hdri].spec = &data[pkti];
+               out[hdri].mask = (preserve != NULL) ? &preserve[pkti] : NULL;
+
+               hdri += 1;
+               pkti += sizeof(struct rte_icmp_hdr);
+
+       } else if (next_header == 6) {  /* TCP */
+               if (size - pkti < (int)sizeof(struct rte_tcp_hdr))
+                       return -1;
+
+               out[hdri].type = RTE_FLOW_ITEM_TYPE_TCP;
+               out[hdri].spec = &data[pkti];
+               out[hdri].mask = (preserve != NULL) ? &preserve[pkti] : NULL;
+
+               hdri += 1;
+               pkti += sizeof(struct rte_tcp_hdr);
+
+       } else if (next_header == 17) { /* UDP */
+               if (size - pkti < (int)sizeof(struct rte_udp_hdr))
+                       return -1;
+
+               out[hdri].type = RTE_FLOW_ITEM_TYPE_UDP;
+               out[hdri].spec = &data[pkti];
+               out[hdri].mask = (preserve != NULL) ? &preserve[pkti] : NULL;
+
+               gtpu_encap = ((struct rte_udp_hdr *)&data[pkti])->dst_port ==
+                       rte_cpu_to_be_16(RTE_GTPU_UDP_PORT);
+
+               hdri += 1;
+               pkti += sizeof(struct rte_udp_hdr);
+
+       } else if (next_header == 132) {/* SCTP */
+               if (size - pkti < (int)sizeof(struct rte_sctp_hdr))
+                       return -1;
+
+               out[hdri].type = RTE_FLOW_ITEM_TYPE_SCTP;
+               out[hdri].spec = &data[pkti];
+               out[hdri].mask = (preserve != NULL) ? &preserve[pkti] : NULL;
+
+               hdri += 1;
+               pkti += sizeof(struct rte_sctp_hdr);
+
+       } else {
+               return -1;
+       }
+
+       if (size - pkti == 0)
+               goto interpret_end;
+
+       /* GTPv1-U */
+       if (gtpu_encap) {
+               if (size - pkti < (int)sizeof(struct rte_gtp_hdr))
+                       return -1;
+
+               out[hdri]
+               .type = RTE_FLOW_ITEM_TYPE_GTP;
+               out[hdri]
+               .spec = &data[pkti];
+               out[hdri]
+               .mask = (preserve != NULL) ? &preserve[pkti] : NULL;
+
+               int extension_present_bit = ((struct rte_gtp_hdr *)&data[pkti])
+                       ->e;
+
+               hdri += 1;
+               pkti += sizeof(struct rte_gtp_hdr);
+
+               if (extension_present_bit) {
+                       if (size - pkti < (int)sizeof(struct 
rte_gtp_hdr_ext_word))
+                               return -1;
+
+                       out[hdri]
+                       .type = RTE_FLOW_ITEM_TYPE_GTP;
+                       out[hdri]
+                       .spec = &data[pkti];
+                       out[hdri]
+                       .mask = (preserve != NULL) ? &preserve[pkti] : NULL;
+
+                       uint8_t next_ext = ((struct rte_gtp_hdr_ext_word 
*)&data[pkti])
+                               ->next_ext;
+
+                       hdri += 1;
+                       pkti += sizeof(struct rte_gtp_hdr_ext_word);
+
+                       while (next_ext) {
+                               size_t ext_len = data[pkti] * 4;
+
+                               if (size - pkti < (int)ext_len)
+                                       return -1;
+
+                               out[hdri]
+                               .type = RTE_FLOW_ITEM_TYPE_GTP;
+                               out[hdri]
+                               .spec = &data[pkti];
+                               out[hdri]
+                               .mask = (preserve != NULL) ? &preserve[pkti] : 
NULL;
+
+                               next_ext = data[pkti + ext_len - 1];
+
+                               hdri += 1;
+                               pkti += ext_len;
+                       }
+               }
+       }
+
+       if (size - pkti != 0)
+               return -1;
+
+interpret_end:
+       out[hdri].type = RTE_FLOW_ITEM_TYPE_END;
+       out[hdri].spec = NULL;
+       out[hdri].mask = NULL;
+
+       return hdri + 1;
+}
+
 int convert_error(struct rte_flow_error *error, struct rte_flow_error 
*rte_flow_error)
 {
        if (error) {
@@ -95,13 +300,78 @@ int create_match_elements(struct cnv_match_s *match, const 
struct rte_flow_item
        return (type >= 0) ? 0 : -1;
 }
 
-int create_action_elements_inline(struct cnv_action_s *action __rte_unused,
-       const struct rte_flow_action actions[] __rte_unused,
-       int max_elem __rte_unused,
-       uint32_t queue_offset __rte_unused)
+int create_action_elements_inline(struct cnv_action_s *action,
+       const struct rte_flow_action actions[],
+       int max_elem,
+       uint32_t queue_offset)
 {
+       int aidx = 0;
        int type = -1;
 
+       do {
+               type = actions[aidx].type;
+               if (type >= 0) {
+                       action->flow_actions[aidx].type = type;
+
+                       /*
+                        * Non-compatible actions handled here
+                        */
+                       switch (type) {
+                       case RTE_FLOW_ACTION_TYPE_RAW_DECAP: {
+                               const struct rte_flow_action_raw_decap *decap =
+                                       (const struct rte_flow_action_raw_decap 
*)actions[aidx]
+                                       .conf;
+                               int item_count = 
interpret_raw_data(decap->data, NULL, decap->size,
+                                       action->decap.items);
+
+                               if (item_count < 0)
+                                       return item_count;
+                               action->decap.data = decap->data;
+                               action->decap.size = decap->size;
+                               action->decap.item_count = item_count;
+                               action->flow_actions[aidx].conf = 
&action->decap;
+                       }
+                       break;
+
+                       case RTE_FLOW_ACTION_TYPE_RAW_ENCAP: {
+                               const struct rte_flow_action_raw_encap *encap =
+                                       (const struct rte_flow_action_raw_encap 
*)actions[aidx]
+                                       .conf;
+                               int item_count = 
interpret_raw_data(encap->data, encap->preserve,
+                                       encap->size, action->encap.items);
+
+                               if (item_count < 0)
+                                       return item_count;
+                               action->encap.data = encap->data;
+                               action->encap.preserve = encap->preserve;
+                               action->encap.size = encap->size;
+                               action->encap.item_count = item_count;
+                               action->flow_actions[aidx].conf = 
&action->encap;
+                       }
+                       break;
+
+                       case RTE_FLOW_ACTION_TYPE_QUEUE: {
+                               const struct rte_flow_action_queue *queue =
+                                       (const struct rte_flow_action_queue 
*)actions[aidx].conf;
+                               action->queue.index = queue->index + 
queue_offset;
+                               action->flow_actions[aidx].conf = 
&action->queue;
+                       }
+                       break;
+
+                       default: {
+                               action->flow_actions[aidx].conf = 
actions[aidx].conf;
+                       }
+                       break;
+                       }
+
+                       aidx++;
+
+                       if (aidx == max_elem)
+                               return -1;
+               }
+
+       } while (type >= 0 && type != RTE_FLOW_ITEM_TYPE_END);
+
        return (type >= 0) ? 0 : -1;
 }
 
-- 
2.45.0

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