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GET /api/patches/118311/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 118311,
    "url": "https://patches.dpdk.org/api/patches/118311/?format=api",
    "web_url": "https://patches.dpdk.org/project/dpdk/patch/1666063359-34283-2-git-send-email-chaoyong.he@corigine.com/",
    "project": {
        "id": 1,
        "url": "https://patches.dpdk.org/api/projects/1/?format=api",
        "name": "DPDK",
        "link_name": "dpdk",
        "list_id": "dev.dpdk.org",
        "list_email": "dev@dpdk.org",
        "web_url": "http://core.dpdk.org",
        "scm_url": "git://dpdk.org/dpdk",
        "webscm_url": "http://git.dpdk.org/dpdk",
        "list_archive_url": "https://inbox.dpdk.org/dev",
        "list_archive_url_format": "https://inbox.dpdk.org/dev/{}",
        "commit_url_format": ""
    },
    "msgid": "<1666063359-34283-2-git-send-email-chaoyong.he@corigine.com>",
    "list_archive_url": "https://inbox.dpdk.org/dev/1666063359-34283-2-git-send-email-chaoyong.he@corigine.com",
    "date": "2022-10-18T03:22:15",
    "name": "[01/25] net/nfp: add the offload support of IPv4 VXLAN item",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": true,
    "hash": "6db34faae8db0df2b9bd275a11e13531036da52e",
    "submitter": {
        "id": 2554,
        "url": "https://patches.dpdk.org/api/people/2554/?format=api",
        "name": "Chaoyong He",
        "email": "chaoyong.he@corigine.com"
    },
    "delegate": {
        "id": 319,
        "url": "https://patches.dpdk.org/api/users/319/?format=api",
        "username": "fyigit",
        "first_name": "Ferruh",
        "last_name": "Yigit",
        "email": "ferruh.yigit@amd.com"
    },
    "mbox": "https://patches.dpdk.org/project/dpdk/patch/1666063359-34283-2-git-send-email-chaoyong.he@corigine.com/mbox/",
    "series": [
        {
            "id": 25269,
            "url": "https://patches.dpdk.org/api/series/25269/?format=api",
            "web_url": "https://patches.dpdk.org/project/dpdk/list/?series=25269",
            "date": "2022-10-18T03:22:15",
            "name": "add the extend rte_flow offload support of nfp PMD",
            "version": 1,
            "mbox": "https://patches.dpdk.org/series/25269/mbox/"
        }
    ],
    "comments": "https://patches.dpdk.org/api/patches/118311/comments/",
    "check": "warning",
    "checks": "https://patches.dpdk.org/api/patches/118311/checks/",
    "tags": {},
    "related": [],
    "headers": {
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        "From": "Chaoyong He <chaoyong.he@corigine.com>",
        "To": "dev@dpdk.org",
        "Cc": "oss-drivers@corigine.com, niklas.soderlund@corigine.com,\n Chaoyong He <chaoyong.he@corigine.com>",
        "Subject": "[PATCH 01/25] net/nfp: add the offload support of IPv4 VXLAN item",
        "Date": "Tue, 18 Oct 2022 11:22:15 +0800",
        "Message-Id": "<1666063359-34283-2-git-send-email-chaoyong.he@corigine.com>",
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    },
    "content": "Add the corresponding data structure and logics, to support\nthe offload of IPv4 VXLAN item.\n\nSigned-off-by: Chaoyong He <chaoyong.he@corigine.com>\nReviewed-by: Niklas Söderlund <niklas.soderlund@corigine.com>\n---\n doc/guides/nics/features/nfp.ini         |   1 +\n drivers/net/nfp/flower/nfp_flower_cmsg.h |  35 +++++\n drivers/net/nfp/nfp_flow.c               | 243 ++++++++++++++++++++++++++-----\n 3 files changed, 246 insertions(+), 33 deletions(-)",
    "diff": "diff --git a/doc/guides/nics/features/nfp.ini b/doc/guides/nics/features/nfp.ini\nindex 1ad6c2c..40b9a4d 100644\n--- a/doc/guides/nics/features/nfp.ini\n+++ b/doc/guides/nics/features/nfp.ini\n@@ -36,6 +36,7 @@ sctp                 = Y\n tcp                  = Y\n udp                  = Y\n vlan                 = Y\n+vxlan                = Y\n \n [rte_flow actions]\n count                = Y\ndiff --git a/drivers/net/nfp/flower/nfp_flower_cmsg.h b/drivers/net/nfp/flower/nfp_flower_cmsg.h\nindex 6bf8ff7..08e2873 100644\n--- a/drivers/net/nfp/flower/nfp_flower_cmsg.h\n+++ b/drivers/net/nfp/flower/nfp_flower_cmsg.h\n@@ -324,6 +324,41 @@ struct nfp_flower_ipv6 {\n \tuint8_t ipv6_dst[16];\n };\n \n+struct nfp_flower_tun_ipv4 {\n+\trte_be32_t src;\n+\trte_be32_t dst;\n+};\n+\n+struct nfp_flower_tun_ip_ext {\n+\tuint8_t tos;\n+\tuint8_t ttl;\n+};\n+\n+/*\n+ * Flow Frame IPv4 UDP TUNNEL --> Tunnel details (5W/20B)\n+ * -----------------------------------------------------------------\n+ *    3                   2                   1\n+ *  1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0\n+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\n+ * |                         ipv4_addr_src                         |\n+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\n+ * |                         ipv4_addr_dst                         |\n+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\n+ * |           Reserved            |      tos      |      ttl      |\n+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\n+ * |                            Reserved                           |\n+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\n+ * |                     VNI                       |   Reserved    |\n+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\n+ */\n+struct nfp_flower_ipv4_udp_tun {\n+\tstruct nfp_flower_tun_ipv4 ipv4;\n+\trte_be16_t reserved1;\n+\tstruct nfp_flower_tun_ip_ext ip_ext;\n+\trte_be32_t reserved2;\n+\trte_be32_t tun_id;\n+};\n+\n struct nfp_fl_act_head {\n \tuint8_t jump_id;\n \tuint8_t len_lw;\ndiff --git a/drivers/net/nfp/nfp_flow.c b/drivers/net/nfp/nfp_flow.c\nindex 823b020..5f6f800 100644\n--- a/drivers/net/nfp/nfp_flow.c\n+++ b/drivers/net/nfp/nfp_flow.c\n@@ -38,7 +38,8 @@ struct nfp_flow_item_proc {\n \t\t\tchar **mbuf_off,\n \t\t\tconst struct rte_flow_item *item,\n \t\t\tconst struct nfp_flow_item_proc *proc,\n-\t\t\tbool is_mask);\n+\t\t\tbool is_mask,\n+\t\t\tbool is_outer_layer);\n \t/* List of possible subsequent items. */\n \tconst enum rte_flow_item_type *const next_item;\n };\n@@ -503,6 +504,7 @@ struct nfp_mask_id_entry {\n \t\tstruct nfp_fl_key_ls *key_ls)\n {\n \tstruct rte_eth_dev *ethdev;\n+\tbool outer_ip4_flag = false;\n \tconst struct rte_flow_item *item;\n \tstruct nfp_flower_representor *representor;\n \tconst struct rte_flow_item_port_id *port_id;\n@@ -538,6 +540,8 @@ struct nfp_mask_id_entry {\n \t\t\tPMD_DRV_LOG(DEBUG, \"RTE_FLOW_ITEM_TYPE_IPV4 detected\");\n \t\t\tkey_ls->key_layer |= NFP_FLOWER_LAYER_IPV4;\n \t\t\tkey_ls->key_size += sizeof(struct nfp_flower_ipv4);\n+\t\t\tif (!outer_ip4_flag)\n+\t\t\t\touter_ip4_flag = true;\n \t\t\tbreak;\n \t\tcase RTE_FLOW_ITEM_TYPE_IPV6:\n \t\t\tPMD_DRV_LOG(DEBUG, \"RTE_FLOW_ITEM_TYPE_IPV6 detected\");\n@@ -559,6 +563,21 @@ struct nfp_mask_id_entry {\n \t\t\tkey_ls->key_layer |= NFP_FLOWER_LAYER_TP;\n \t\t\tkey_ls->key_size += sizeof(struct nfp_flower_tp_ports);\n \t\t\tbreak;\n+\t\tcase RTE_FLOW_ITEM_TYPE_VXLAN:\n+\t\t\tPMD_DRV_LOG(DEBUG, \"RTE_FLOW_ITEM_TYPE_VXLAN detected\");\n+\t\t\t/* Clear IPv4 bits */\n+\t\t\tkey_ls->key_layer &= ~NFP_FLOWER_LAYER_IPV4;\n+\t\t\tkey_ls->tun_type = NFP_FL_TUN_VXLAN;\n+\t\t\tkey_ls->key_layer |= NFP_FLOWER_LAYER_VXLAN;\n+\t\t\tif (outer_ip4_flag) {\n+\t\t\t\tkey_ls->key_size += sizeof(struct nfp_flower_ipv4_udp_tun);\n+\t\t\t\t/*\n+\t\t\t\t * The outer l3 layer information is\n+\t\t\t\t * in `struct nfp_flower_ipv4_udp_tun`\n+\t\t\t\t */\n+\t\t\t\tkey_ls->key_size -= sizeof(struct nfp_flower_ipv4);\n+\t\t\t}\n+\t\t\tbreak;\n \t\tdefault:\n \t\t\tPMD_DRV_LOG(ERR, \"Item type %d not supported.\", item->type);\n \t\t\treturn -ENOTSUP;\n@@ -737,12 +756,25 @@ struct nfp_mask_id_entry {\n \treturn ret;\n }\n \n+static bool\n+nfp_flow_is_tunnel(struct rte_flow *nfp_flow)\n+{\n+\tstruct nfp_flower_meta_tci *meta_tci;\n+\n+\tmeta_tci = (struct nfp_flower_meta_tci *)nfp_flow->payload.unmasked_data;\n+\tif (meta_tci->nfp_flow_key_layer & NFP_FLOWER_LAYER_VXLAN)\n+\t\treturn true;\n+\n+\treturn false;\n+}\n+\n static int\n nfp_flow_merge_eth(__rte_unused struct rte_flow *nfp_flow,\n \t\tchar **mbuf_off,\n \t\tconst struct rte_flow_item *item,\n \t\tconst struct nfp_flow_item_proc *proc,\n-\t\tbool is_mask)\n+\t\tbool is_mask,\n+\t\t__rte_unused bool is_outer_layer)\n {\n \tstruct nfp_flower_mac_mpls *eth;\n \tconst struct rte_flow_item_eth *spec;\n@@ -778,7 +810,8 @@ struct nfp_mask_id_entry {\n \t\t__rte_unused char **mbuf_off,\n \t\tconst struct rte_flow_item *item,\n \t\tconst struct nfp_flow_item_proc *proc,\n-\t\tbool is_mask)\n+\t\tbool is_mask,\n+\t\t__rte_unused bool is_outer_layer)\n {\n \tstruct nfp_flower_meta_tci *meta_tci;\n \tconst struct rte_flow_item_vlan *spec;\n@@ -807,41 +840,58 @@ struct nfp_mask_id_entry {\n \t\tchar **mbuf_off,\n \t\tconst struct rte_flow_item *item,\n \t\tconst struct nfp_flow_item_proc *proc,\n-\t\tbool is_mask)\n+\t\tbool is_mask,\n+\t\tbool is_outer_layer)\n {\n \tstruct nfp_flower_ipv4 *ipv4;\n \tconst struct rte_ipv4_hdr *hdr;\n \tstruct nfp_flower_meta_tci *meta_tci;\n \tconst struct rte_flow_item_ipv4 *spec;\n \tconst struct rte_flow_item_ipv4 *mask;\n+\tstruct nfp_flower_ipv4_udp_tun *ipv4_udp_tun;\n \n \tspec = item->spec;\n \tmask = item->mask ? item->mask : proc->mask_default;\n \tmeta_tci = (struct nfp_flower_meta_tci *)nfp_flow->payload.unmasked_data;\n \n-\tif (spec == NULL) {\n-\t\tPMD_DRV_LOG(DEBUG, \"nfp flow merge ipv4: no item->spec!\");\n-\t\tgoto ipv4_end;\n-\t}\n+\tif (is_outer_layer && nfp_flow_is_tunnel(nfp_flow)) {\n+\t\tif (spec == NULL) {\n+\t\t\tPMD_DRV_LOG(DEBUG, \"nfp flow merge ipv4: no item->spec!\");\n+\t\t\treturn 0;\n+\t\t}\n \n-\t/*\n-\t * reserve space for L4 info.\n-\t * rte_flow has ipv4 before L4 but NFP flower fw requires L4 before ipv4\n-\t */\n-\tif (meta_tci->nfp_flow_key_layer & NFP_FLOWER_LAYER_TP)\n-\t\t*mbuf_off += sizeof(struct nfp_flower_tp_ports);\n+\t\thdr = is_mask ? &mask->hdr : &spec->hdr;\n+\t\tipv4_udp_tun = (struct nfp_flower_ipv4_udp_tun *)*mbuf_off;\n \n-\thdr = is_mask ? &mask->hdr : &spec->hdr;\n-\tipv4 = (struct nfp_flower_ipv4 *)*mbuf_off;\n+\t\tipv4_udp_tun->ip_ext.tos = hdr->type_of_service;\n+\t\tipv4_udp_tun->ip_ext.ttl = hdr->time_to_live;\n+\t\tipv4_udp_tun->ipv4.src   = hdr->src_addr;\n+\t\tipv4_udp_tun->ipv4.dst   = hdr->dst_addr;\n+\t} else {\n+\t\tif (spec == NULL) {\n+\t\t\tPMD_DRV_LOG(DEBUG, \"nfp flow merge ipv4: no item->spec!\");\n+\t\t\tgoto ipv4_end;\n+\t\t}\n+\n+\t\t/*\n+\t\t * reserve space for L4 info.\n+\t\t * rte_flow has ipv4 before L4 but NFP flower fw requires L4 before ipv4\n+\t\t */\n+\t\tif (meta_tci->nfp_flow_key_layer & NFP_FLOWER_LAYER_TP)\n+\t\t\t*mbuf_off += sizeof(struct nfp_flower_tp_ports);\n+\n+\t\thdr = is_mask ? &mask->hdr : &spec->hdr;\n+\t\tipv4 = (struct nfp_flower_ipv4 *)*mbuf_off;\n \n-\tipv4->ip_ext.tos   = hdr->type_of_service;\n-\tipv4->ip_ext.proto = hdr->next_proto_id;\n-\tipv4->ip_ext.ttl   = hdr->time_to_live;\n-\tipv4->ipv4_src     = hdr->src_addr;\n-\tipv4->ipv4_dst     = hdr->dst_addr;\n+\t\tipv4->ip_ext.tos   = hdr->type_of_service;\n+\t\tipv4->ip_ext.proto = hdr->next_proto_id;\n+\t\tipv4->ip_ext.ttl   = hdr->time_to_live;\n+\t\tipv4->ipv4_src     = hdr->src_addr;\n+\t\tipv4->ipv4_dst     = hdr->dst_addr;\n \n ipv4_end:\n-\t*mbuf_off += sizeof(struct nfp_flower_ipv4);\n+\t\t*mbuf_off += sizeof(struct nfp_flower_ipv4);\n+\t}\n \n \treturn 0;\n }\n@@ -851,7 +901,8 @@ struct nfp_mask_id_entry {\n \t\tchar **mbuf_off,\n \t\tconst struct rte_flow_item *item,\n \t\tconst struct nfp_flow_item_proc *proc,\n-\t\tbool is_mask)\n+\t\tbool is_mask,\n+\t\t__rte_unused bool is_outer_layer)\n {\n \tstruct nfp_flower_ipv6 *ipv6;\n \tconst struct rte_ipv6_hdr *hdr;\n@@ -896,7 +947,8 @@ struct nfp_mask_id_entry {\n \t\tchar **mbuf_off,\n \t\tconst struct rte_flow_item *item,\n \t\tconst struct nfp_flow_item_proc *proc,\n-\t\tbool is_mask)\n+\t\tbool is_mask,\n+\t\t__rte_unused bool is_outer_layer)\n {\n \tuint8_t tcp_flags;\n \tstruct nfp_flower_tp_ports *ports;\n@@ -968,7 +1020,8 @@ struct nfp_mask_id_entry {\n \t\tchar **mbuf_off,\n \t\tconst struct rte_flow_item *item,\n \t\tconst struct nfp_flow_item_proc *proc,\n-\t\tbool is_mask)\n+\t\tbool is_mask,\n+\t\tbool is_outer_layer)\n {\n \tchar *ports_off;\n \tstruct nfp_flower_tp_ports *ports;\n@@ -982,6 +1035,12 @@ struct nfp_mask_id_entry {\n \t\treturn 0;\n \t}\n \n+\t/* Don't add L4 info if working on a inner layer pattern */\n+\tif (!is_outer_layer) {\n+\t\tPMD_DRV_LOG(INFO, \"Detected inner layer UDP, skipping.\");\n+\t\treturn 0;\n+\t}\n+\n \tmeta_tci = (struct nfp_flower_meta_tci *)nfp_flow->payload.unmasked_data;\n \tif (meta_tci->nfp_flow_key_layer & NFP_FLOWER_LAYER_IPV4) {\n \t\tports_off = *mbuf_off - sizeof(struct nfp_flower_ipv4) -\n@@ -1009,7 +1068,8 @@ struct nfp_mask_id_entry {\n \t\tchar **mbuf_off,\n \t\tconst struct rte_flow_item *item,\n \t\tconst struct nfp_flow_item_proc *proc,\n-\t\tbool is_mask)\n+\t\tbool is_mask,\n+\t\t__rte_unused bool is_outer_layer)\n {\n \tchar *ports_off;\n \tstruct nfp_flower_tp_ports *ports;\n@@ -1045,10 +1105,42 @@ struct nfp_mask_id_entry {\n \treturn 0;\n }\n \n+static int\n+nfp_flow_merge_vxlan(__rte_unused struct rte_flow *nfp_flow,\n+\t\tchar **mbuf_off,\n+\t\tconst struct rte_flow_item *item,\n+\t\tconst struct nfp_flow_item_proc *proc,\n+\t\tbool is_mask,\n+\t\t__rte_unused bool is_outer_layer)\n+{\n+\tconst struct rte_vxlan_hdr *hdr;\n+\tstruct nfp_flower_ipv4_udp_tun *tun4;\n+\tconst struct rte_flow_item_vxlan *spec;\n+\tconst struct rte_flow_item_vxlan *mask;\n+\n+\tspec = item->spec;\n+\tif (spec == NULL) {\n+\t\tPMD_DRV_LOG(DEBUG, \"nfp flow merge vxlan: no item->spec!\");\n+\t\tgoto vxlan_end;\n+\t}\n+\n+\tmask = item->mask ? item->mask : proc->mask_default;\n+\thdr = is_mask ? &mask->hdr : &spec->hdr;\n+\n+\ttun4 = (struct nfp_flower_ipv4_udp_tun *)*mbuf_off;\n+\ttun4->tun_id = hdr->vx_vni;\n+\n+vxlan_end:\n+\t*mbuf_off += sizeof(struct nfp_flower_ipv4_udp_tun);\n+\n+\treturn 0;\n+}\n+\n /* Graph of supported items and associated process function */\n static const struct nfp_flow_item_proc nfp_flow_item_proc_list[] = {\n \t[RTE_FLOW_ITEM_TYPE_END] = {\n-\t\t.next_item = NEXT_ITEM(RTE_FLOW_ITEM_TYPE_ETH),\n+\t\t.next_item = NEXT_ITEM(RTE_FLOW_ITEM_TYPE_ETH,\n+\t\t\tRTE_FLOW_ITEM_TYPE_IPV4),\n \t},\n \t[RTE_FLOW_ITEM_TYPE_ETH] = {\n \t\t.next_item = NEXT_ITEM(RTE_FLOW_ITEM_TYPE_VLAN,\n@@ -1131,6 +1223,7 @@ struct nfp_mask_id_entry {\n \t\t.merge = nfp_flow_merge_tcp,\n \t},\n \t[RTE_FLOW_ITEM_TYPE_UDP] = {\n+\t\t.next_item = NEXT_ITEM(RTE_FLOW_ITEM_TYPE_VXLAN),\n \t\t.mask_support = &(const struct rte_flow_item_udp){\n \t\t\t.hdr = {\n \t\t\t\t.src_port = RTE_BE16(0xffff),\n@@ -1152,6 +1245,17 @@ struct nfp_mask_id_entry {\n \t\t.mask_sz = sizeof(struct rte_flow_item_sctp),\n \t\t.merge = nfp_flow_merge_sctp,\n \t},\n+\t[RTE_FLOW_ITEM_TYPE_VXLAN] = {\n+\t\t.next_item = NEXT_ITEM(RTE_FLOW_ITEM_TYPE_ETH),\n+\t\t.mask_support = &(const struct rte_flow_item_vxlan){\n+\t\t\t.hdr = {\n+\t\t\t\t.vx_vni = RTE_BE32(0xffffff00),\n+\t\t\t},\n+\t\t},\n+\t\t.mask_default = &rte_flow_item_vxlan_mask,\n+\t\t.mask_sz = sizeof(struct rte_flow_item_vxlan),\n+\t\t.merge = nfp_flow_merge_vxlan,\n+\t},\n };\n \n static int\n@@ -1205,21 +1309,53 @@ struct nfp_mask_id_entry {\n \treturn ret;\n }\n \n+static bool\n+nfp_flow_is_tun_item(const struct rte_flow_item *item)\n+{\n+\tif (item->type == RTE_FLOW_ITEM_TYPE_VXLAN)\n+\t\treturn true;\n+\n+\treturn false;\n+}\n+\n+static bool\n+nfp_flow_inner_item_get(const struct rte_flow_item items[],\n+\t\tconst struct rte_flow_item **inner_item)\n+{\n+\tconst struct rte_flow_item *item;\n+\n+\t*inner_item = items;\n+\n+\tfor (item = items; item->type != RTE_FLOW_ITEM_TYPE_END; ++item) {\n+\t\tif (nfp_flow_is_tun_item(item)) {\n+\t\t\t*inner_item = ++item;\n+\t\t\treturn true;\n+\t\t}\n+\t}\n+\n+\treturn false;\n+}\n+\n static int\n nfp_flow_compile_item_proc(const struct rte_flow_item items[],\n \t\tstruct rte_flow *nfp_flow,\n \t\tchar **mbuf_off_exact,\n-\t\tchar **mbuf_off_mask)\n+\t\tchar **mbuf_off_mask,\n+\t\tbool is_outer_layer)\n {\n \tint i;\n \tint ret = 0;\n+\tbool continue_flag = true;\n \tconst struct rte_flow_item *item;\n \tconst struct nfp_flow_item_proc *proc_list;\n \n \tproc_list = nfp_flow_item_proc_list;\n-\tfor (item = items; item->type != RTE_FLOW_ITEM_TYPE_END; ++item) {\n+\tfor (item = items; item->type != RTE_FLOW_ITEM_TYPE_END && continue_flag; ++item) {\n \t\tconst struct nfp_flow_item_proc *proc = NULL;\n \n+\t\tif (nfp_flow_is_tun_item(item))\n+\t\t\tcontinue_flag = false;\n+\n \t\tfor (i = 0; proc_list->next_item && proc_list->next_item[i]; ++i) {\n \t\t\tif (proc_list->next_item[i] == item->type) {\n \t\t\t\tproc = &nfp_flow_item_proc_list[item->type];\n@@ -1248,14 +1384,14 @@ struct nfp_mask_id_entry {\n \t\t}\n \n \t\tret = proc->merge(nfp_flow, mbuf_off_exact, item,\n-\t\t\t\tproc, false);\n+\t\t\t\tproc, false, is_outer_layer);\n \t\tif (ret != 0) {\n \t\t\tPMD_DRV_LOG(ERR, \"nfp flow item %d exact merge failed\", item->type);\n \t\t\tbreak;\n \t\t}\n \n \t\tret = proc->merge(nfp_flow, mbuf_off_mask, item,\n-\t\t\t\tproc, true);\n+\t\t\t\tproc, true, is_outer_layer);\n \t\tif (ret != 0) {\n \t\t\tPMD_DRV_LOG(ERR, \"nfp flow item %d mask merge failed\", item->type);\n \t\t\tbreak;\n@@ -1275,6 +1411,9 @@ struct nfp_mask_id_entry {\n \tint ret;\n \tchar *mbuf_off_mask;\n \tchar *mbuf_off_exact;\n+\tbool is_tun_flow = false;\n+\tbool is_outer_layer = true;\n+\tconst struct rte_flow_item *loop_item;\n \n \tmbuf_off_exact = nfp_flow->payload.unmasked_data +\n \t\t\tsizeof(struct nfp_flower_meta_tci) +\n@@ -1283,14 +1422,29 @@ struct nfp_mask_id_entry {\n \t\t\tsizeof(struct nfp_flower_meta_tci) +\n \t\t\tsizeof(struct nfp_flower_in_port);\n \n+\t/* Check if this is a tunnel flow and get the inner item*/\n+\tis_tun_flow = nfp_flow_inner_item_get(items, &loop_item);\n+\tif (is_tun_flow)\n+\t\tis_outer_layer = false;\n+\n \t/* Go over items */\n-\tret = nfp_flow_compile_item_proc(items, nfp_flow,\n-\t\t\t&mbuf_off_exact, &mbuf_off_mask);\n+\tret = nfp_flow_compile_item_proc(loop_item, nfp_flow,\n+\t\t\t&mbuf_off_exact, &mbuf_off_mask, is_outer_layer);\n \tif (ret != 0) {\n \t\tPMD_DRV_LOG(ERR, \"nfp flow item compile failed.\");\n \t\treturn -EINVAL;\n \t}\n \n+\t/* Go over inner items */\n+\tif (is_tun_flow) {\n+\t\tret = nfp_flow_compile_item_proc(items, nfp_flow,\n+\t\t\t\t&mbuf_off_exact, &mbuf_off_mask, true);\n+\t\tif (ret != 0) {\n+\t\t\tPMD_DRV_LOG(ERR, \"nfp flow outer item compile failed.\");\n+\t\t\treturn -EINVAL;\n+\t\t}\n+\t}\n+\n \treturn 0;\n }\n \n@@ -2123,12 +2277,35 @@ struct nfp_mask_id_entry {\n \treturn 0;\n }\n \n+static int\n+nfp_flow_tunnel_match(__rte_unused struct rte_eth_dev *dev,\n+\t\t__rte_unused struct rte_flow_tunnel *tunnel,\n+\t\t__rte_unused struct rte_flow_item **pmd_items,\n+\t\tuint32_t *num_of_items,\n+\t\t__rte_unused struct rte_flow_error *err)\n+{\n+\t*num_of_items = 0;\n+\n+\treturn 0;\n+}\n+\n+static int\n+nfp_flow_tunnel_item_release(__rte_unused struct rte_eth_dev *dev,\n+\t\t__rte_unused struct rte_flow_item *pmd_items,\n+\t\t__rte_unused uint32_t num_of_items,\n+\t\t__rte_unused struct rte_flow_error *err)\n+{\n+\treturn 0;\n+}\n+\n static const struct rte_flow_ops nfp_flow_ops = {\n \t.validate                    = nfp_flow_validate,\n \t.create                      = nfp_flow_create,\n \t.destroy                     = nfp_flow_destroy,\n \t.flush                       = nfp_flow_flush,\n \t.query                       = nfp_flow_query,\n+\t.tunnel_match                = nfp_flow_tunnel_match,\n+\t.tunnel_item_release         = nfp_flow_tunnel_item_release,\n };\n \n int\n",
    "prefixes": [
        "01/25"
    ]
}