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GET /api/patches/118949/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 118949,
    "url": "http://patches.dpdk.org/api/patches/118949/?format=api",
    "web_url": "http://patches.dpdk.org/project/dpdk/patch/1666427069-10553-4-git-send-email-chaoyong.he@corigine.com/",
    "project": {
        "id": 1,
        "url": "http://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": "<1666427069-10553-4-git-send-email-chaoyong.he@corigine.com>",
    "list_archive_url": "https://inbox.dpdk.org/dev/1666427069-10553-4-git-send-email-chaoyong.he@corigine.com",
    "date": "2022-10-22T08:24:07",
    "name": "[v2,03/25] net/nfp: prepare for IPv4 tunnel encap flow action",
    "commit_ref": null,
    "pull_url": null,
    "state": "changes-requested",
    "archived": true,
    "hash": "309ec3c3378f6c8f04d07ef7822887680ac099b8",
    "submitter": {
        "id": 2554,
        "url": "http://patches.dpdk.org/api/people/2554/?format=api",
        "name": "Chaoyong He",
        "email": "chaoyong.he@corigine.com"
    },
    "delegate": {
        "id": 319,
        "url": "http://patches.dpdk.org/api/users/319/?format=api",
        "username": "fyigit",
        "first_name": "Ferruh",
        "last_name": "Yigit",
        "email": "ferruh.yigit@amd.com"
    },
    "mbox": "http://patches.dpdk.org/project/dpdk/patch/1666427069-10553-4-git-send-email-chaoyong.he@corigine.com/mbox/",
    "series": [
        {
            "id": 25372,
            "url": "http://patches.dpdk.org/api/series/25372/?format=api",
            "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=25372",
            "date": "2022-10-22T08:24:04",
            "name": "add the extend rte_flow offload support of nfp PMD",
            "version": 2,
            "mbox": "http://patches.dpdk.org/series/25372/mbox/"
        }
    ],
    "comments": "http://patches.dpdk.org/api/patches/118949/comments/",
    "check": "success",
    "checks": "http://patches.dpdk.org/api/patches/118949/checks/",
    "tags": {},
    "related": [],
    "headers": {
        "Return-Path": "<dev-bounces@dpdk.org>",
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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 v2 03/25] net/nfp: prepare for IPv4 tunnel encap flow action",
        "Date": "Sat, 22 Oct 2022 16:24:07 +0800",
        "Message-Id": "<1666427069-10553-4-git-send-email-chaoyong.he@corigine.com>",
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    },
    "content": "Add the related data structure and functions, prepare for\nthe encap action of IPv4 tunnel.\n\nSigned-off-by: Chaoyong He <chaoyong.he@corigine.com>\nReviewed-by: Niklas Söderlund <niklas.soderlund@corigine.com>\n---\n drivers/net/nfp/flower/nfp_flower_cmsg.c | 29 ++++++++++\n drivers/net/nfp/flower/nfp_flower_cmsg.h | 93 ++++++++++++++++++++++++++++++++\n drivers/net/nfp/nfp_flow.c               | 88 ++++++++++++++++++++++++++++++\n drivers/net/nfp/nfp_flow.h               | 27 ++++++++++\n 4 files changed, 237 insertions(+)",
    "diff": "diff --git a/drivers/net/nfp/flower/nfp_flower_cmsg.c b/drivers/net/nfp/flower/nfp_flower_cmsg.c\nindex 15d8381..7021d1f 100644\n--- a/drivers/net/nfp/flower/nfp_flower_cmsg.c\n+++ b/drivers/net/nfp/flower/nfp_flower_cmsg.c\n@@ -246,3 +246,32 @@\n \n \treturn 0;\n }\n+\n+int\n+nfp_flower_cmsg_tun_neigh_v4_rule(struct nfp_app_fw_flower *app_fw_flower,\n+\t\tstruct nfp_flower_cmsg_tun_neigh_v4 *payload)\n+{\n+\tuint16_t cnt;\n+\tsize_t msg_len;\n+\tstruct rte_mbuf *mbuf;\n+\tstruct nfp_flower_cmsg_tun_neigh_v4 *msg;\n+\n+\tmbuf = rte_pktmbuf_alloc(app_fw_flower->ctrl_pktmbuf_pool);\n+\tif (mbuf == NULL) {\n+\t\tPMD_DRV_LOG(DEBUG, \"Failed to alloc mbuf for v4 tun neigh\");\n+\t\treturn -ENOMEM;\n+\t}\n+\n+\tmsg_len = sizeof(struct nfp_flower_cmsg_tun_neigh_v4);\n+\tmsg = nfp_flower_cmsg_init(mbuf, NFP_FLOWER_CMSG_TYPE_TUN_NEIGH, msg_len);\n+\tmemcpy(msg, payload, msg_len);\n+\n+\tcnt = nfp_flower_ctrl_vnic_xmit(app_fw_flower, mbuf);\n+\tif (cnt == 0) {\n+\t\tPMD_DRV_LOG(ERR, \"Send cmsg through ctrl vnic failed.\");\n+\t\trte_pktmbuf_free(mbuf);\n+\t\treturn -EIO;\n+\t}\n+\n+\treturn 0;\n+}\ndiff --git a/drivers/net/nfp/flower/nfp_flower_cmsg.h b/drivers/net/nfp/flower/nfp_flower_cmsg.h\nindex 996ba3b..e44e311 100644\n--- a/drivers/net/nfp/flower/nfp_flower_cmsg.h\n+++ b/drivers/net/nfp/flower/nfp_flower_cmsg.h\n@@ -129,6 +129,36 @@ struct nfp_flower_cmsg_port_mod {\n \trte_be16_t mtu;\n };\n \n+struct nfp_flower_tun_neigh {\n+\tuint8_t dst_mac[RTE_ETHER_ADDR_LEN];\n+\tuint8_t src_mac[RTE_ETHER_ADDR_LEN];\n+\trte_be32_t port_id;\n+};\n+\n+/*\n+ * NFP_FLOWER_CMSG_TYPE_TUN_NEIGH_V4\n+ *    Bit    3 3 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0\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+ *        0 |                           DST_IPV4                            |\n+ *          +---------------------------------------------------------------+\n+ *        1 |                           SRC_IPV4                            |\n+ *          +---------------------------------------------------------------+\n+ *        2 |                      DST_MAC_B5_B4_B3_B2                      |\n+ *          +-------------------------------+-------------------------------+\n+ *        3 |             DST_MAC_B1_B0     |        SRC_MAC_B5_B4          |\n+ *          +-------------------------------+-------------------------------+\n+ *        4 |                       SRC_MAC_B3_B2_B1_B0                     |\n+ *          +---------------------------------------------------------------+\n+ *        5 |                    Egress Port (NFP internal)                 |\n+ *          +---------------------------------------------------------------+\n+ */\n+struct nfp_flower_cmsg_tun_neigh_v4 {\n+\trte_be32_t dst_ipv4;\n+\trte_be32_t src_ipv4;\n+\tstruct nfp_flower_tun_neigh common;\n+};\n+\n /*\n  * NFP_FLOWER_CMSG_TYPE_FLOW_STATS\n  *    Bit    3 3 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0\n@@ -574,6 +604,67 @@ struct nfp_fl_act_set_tport {\n \trte_be16_t dst_port;\n };\n \n+/*\n+ * Pre-tunnel\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+ * |  -  |  opcode |       |jump_id|              -      |M|   - |V|\n+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\n+ * |         ipv6_daddr_127_96     /     ipv4_daddr                |\n+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\n+ * |                     ipv6_daddr_95_64                          |\n+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\n+ * |                     ipv6_daddr_63_32                          |\n+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\n+ * |                     ipv6_daddr_31_0                           |\n+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\n+ */\n+struct nfp_fl_act_pre_tun {\n+\tstruct nfp_fl_act_head head;\n+\trte_be16_t flags;\n+\tunion {\n+\t\trte_be32_t ipv4_dst;\n+\t\tuint8_t ipv6_dst[16];\n+\t};\n+};\n+\n+/*\n+ * Set tunnel\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+ * | res |  opcode |  res  | len_lw|           reserved            |\n+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\n+ * |                            tun_id0                            |\n+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\n+ * |                            tun_id1                            |\n+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\n+ * |                      reserved                 |  type |r| idx |\n+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\n+ * |           ipv4_flags          |      ttl      |      tos      |\n+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\n+ * |                         reserved_cvs1                         |\n+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\n+ * |          reserved_cvs2        |        reserved_cvs3          |\n+ * |            var_flags          |            var_np             |\n+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\n+ */\n+struct nfp_fl_act_set_tun {\n+\tstruct nfp_fl_act_head head;\n+\trte_be16_t reserved;\n+\trte_be64_t tun_id;\n+\trte_be32_t tun_type_index;\n+\trte_be16_t tun_flags;\n+\tuint8_t    ttl;\n+\tuint8_t    tos;\n+\trte_be16_t outer_vlan_tpid;\n+\trte_be16_t outer_vlan_tci;\n+\tuint8_t    tun_len;      /* Only valid for NFP_FL_TUNNEL_GENEVE */\n+\tuint8_t    reserved2;\n+\trte_be16_t tun_proto;    /* Only valid for NFP_FL_TUNNEL_GENEVE */\n+} __rte_packed;\n+\n int nfp_flower_cmsg_mac_repr(struct nfp_app_fw_flower *app_fw_flower);\n int nfp_flower_cmsg_repr_reify(struct nfp_app_fw_flower *app_fw_flower,\n \t\tstruct nfp_flower_representor *repr);\n@@ -583,5 +674,7 @@ int nfp_flower_cmsg_flow_delete(struct nfp_app_fw_flower *app_fw_flower,\n \t\tstruct rte_flow *flow);\n int nfp_flower_cmsg_flow_add(struct nfp_app_fw_flower *app_fw_flower,\n \t\tstruct rte_flow *flow);\n+int nfp_flower_cmsg_tun_neigh_v4_rule(struct nfp_app_fw_flower *app_fw_flower,\n+\t\tstruct nfp_flower_cmsg_tun_neigh_v4 *payload);\n \n #endif /* _NFP_CMSG_H_ */\ndiff --git a/drivers/net/nfp/nfp_flow.c b/drivers/net/nfp/nfp_flow.c\nindex bbd9dba..f71f8b1 100644\n--- a/drivers/net/nfp/nfp_flow.c\n+++ b/drivers/net/nfp/nfp_flow.c\n@@ -1772,6 +1772,91 @@ struct nfp_mask_id_entry {\n \ttc_hl->reserved = 0;\n }\n \n+__rte_unused static void\n+nfp_flow_pre_tun_v4_process(struct nfp_fl_act_pre_tun *pre_tun,\n+\t\trte_be32_t ipv4_dst)\n+{\n+\tpre_tun->head.jump_id = NFP_FL_ACTION_OPCODE_PRE_TUNNEL;\n+\tpre_tun->head.len_lw  = sizeof(struct nfp_fl_act_pre_tun) >> NFP_FL_LW_SIZ;\n+\tpre_tun->ipv4_dst     = ipv4_dst;\n+}\n+\n+__rte_unused static void\n+nfp_flow_set_tun_process(struct nfp_fl_act_set_tun *set_tun,\n+\t\tenum nfp_flower_tun_type tun_type,\n+\t\tuint64_t tun_id,\n+\t\tuint8_t ttl,\n+\t\tuint8_t tos)\n+{\n+\t/* Currently only support one pre-tunnel, so index is always 0. */\n+\tuint8_t pretun_idx = 0;\n+\tuint32_t tun_type_index;\n+\n+\ttun_type_index = ((tun_type << 4) & 0xf0) | (pretun_idx & 0x07);\n+\n+\tset_tun->head.jump_id   = NFP_FL_ACTION_OPCODE_SET_TUNNEL;\n+\tset_tun->head.len_lw    = sizeof(struct nfp_fl_act_set_tun) >> NFP_FL_LW_SIZ;\n+\tset_tun->tun_type_index = rte_cpu_to_be_32(tun_type_index);\n+\tset_tun->tun_id         = rte_cpu_to_be_64(tun_id);\n+\tset_tun->ttl            = ttl;\n+\tset_tun->tos            = tos;\n+}\n+\n+__rte_unused static int\n+nfp_flower_add_tun_neigh_v4_encap(struct nfp_app_fw_flower *app_fw_flower,\n+\t\tstruct nfp_fl_rule_metadata *nfp_flow_meta,\n+\t\tstruct nfp_fl_tun *tun,\n+\t\tconst struct rte_ether_hdr *eth,\n+\t\tconst struct rte_flow_item_ipv4 *ipv4)\n+{\n+\tstruct nfp_fl_tun *tmp;\n+\tstruct nfp_flow_priv *priv;\n+\tstruct nfp_flower_in_port *port;\n+\tstruct nfp_flower_cmsg_tun_neigh_v4 payload;\n+\n+\ttun->payload.v6_flag = 0;\n+\ttun->payload.dst.dst_ipv4 = ipv4->hdr.dst_addr;\n+\ttun->payload.src.src_ipv4 = ipv4->hdr.src_addr;\n+\tmemcpy(tun->payload.dst_addr, eth->dst_addr.addr_bytes, RTE_ETHER_ADDR_LEN);\n+\tmemcpy(tun->payload.src_addr, eth->src_addr.addr_bytes, RTE_ETHER_ADDR_LEN);\n+\n+\ttun->ref_cnt = 1;\n+\tpriv = app_fw_flower->flow_priv;\n+\tLIST_FOREACH(tmp, &priv->nn_list, next) {\n+\t\tif (memcmp(&tmp->payload, &tun->payload, sizeof(struct nfp_fl_tun_entry)) == 0) {\n+\t\t\ttmp->ref_cnt++;\n+\t\t\treturn 0;\n+\t\t}\n+\t}\n+\n+\tLIST_INSERT_HEAD(&priv->nn_list, tun, next);\n+\n+\tport = (struct nfp_flower_in_port *)((char *)nfp_flow_meta +\n+\t\t\tsizeof(struct nfp_fl_rule_metadata) +\n+\t\t\tsizeof(struct nfp_flower_meta_tci));\n+\n+\tmemset(&payload, 0, sizeof(struct nfp_flower_cmsg_tun_neigh_v4));\n+\tpayload.dst_ipv4 = ipv4->hdr.dst_addr;\n+\tpayload.src_ipv4 = ipv4->hdr.src_addr;\n+\tmemcpy(payload.common.dst_mac, eth->dst_addr.addr_bytes, RTE_ETHER_ADDR_LEN);\n+\tmemcpy(payload.common.src_mac, eth->src_addr.addr_bytes, RTE_ETHER_ADDR_LEN);\n+\tpayload.common.port_id = port->in_port;\n+\n+\treturn nfp_flower_cmsg_tun_neigh_v4_rule(app_fw_flower, &payload);\n+}\n+\n+__rte_unused static int\n+nfp_flower_del_tun_neigh_v4(struct nfp_app_fw_flower *app_fw_flower,\n+\t\trte_be32_t ipv4)\n+{\n+\tstruct nfp_flower_cmsg_tun_neigh_v4 payload;\n+\n+\tmemset(&payload, 0, sizeof(struct nfp_flower_cmsg_tun_neigh_v4));\n+\tpayload.dst_ipv4 = ipv4;\n+\n+\treturn nfp_flower_cmsg_tun_neigh_v4_rule(app_fw_flower, &payload);\n+}\n+\n static int\n nfp_flow_compile_action(__rte_unused struct nfp_flower_representor *representor,\n \t\tconst struct rte_flow_action actions[],\n@@ -2487,6 +2572,9 @@ struct nfp_mask_id_entry {\n \t\tgoto free_mask_table;\n \t}\n \n+\t/* neighbor next list */\n+\tLIST_INIT(&priv->nn_list);\n+\n \treturn 0;\n \n free_mask_table:\ndiff --git a/drivers/net/nfp/nfp_flow.h b/drivers/net/nfp/nfp_flow.h\nindex 0ad89e5..892dbc0 100644\n--- a/drivers/net/nfp/nfp_flow.h\n+++ b/drivers/net/nfp/nfp_flow.h\n@@ -90,6 +90,11 @@ enum nfp_flower_tun_type {\n \tNFP_FL_TUN_GENEVE = 4,\n };\n \n+enum nfp_flow_type {\n+\tNFP_FLOW_COMMON,\n+\tNFP_FLOW_ENCAP,\n+};\n+\n struct nfp_fl_key_ls {\n \tuint32_t key_layer_two;\n \tuint8_t key_layer;\n@@ -118,6 +123,24 @@ struct nfp_fl_payload {\n \tchar *action_data;\n };\n \n+struct nfp_fl_tun {\n+\tLIST_ENTRY(nfp_fl_tun) next;\n+\tuint8_t ref_cnt;\n+\tstruct nfp_fl_tun_entry {\n+\t\tuint8_t v6_flag;\n+\t\tuint8_t dst_addr[RTE_ETHER_ADDR_LEN];\n+\t\tuint8_t src_addr[RTE_ETHER_ADDR_LEN];\n+\t\tunion {\n+\t\t\trte_be32_t dst_ipv4;\n+\t\t\tuint8_t dst_ipv6[16];\n+\t\t} dst;\n+\t\tunion {\n+\t\t\trte_be32_t src_ipv4;\n+\t\t\tuint8_t src_ipv6[16];\n+\t\t} src;\n+\t} payload;\n+};\n+\n #define CIRC_CNT(head, tail, size)     (((head) - (tail)) & ((size) - 1))\n #define CIRC_SPACE(head, tail, size)   CIRC_CNT((tail), ((head) + 1), (size))\n struct circ_buf {\n@@ -161,13 +184,17 @@ struct nfp_flow_priv {\n \tstruct nfp_fl_stats_id stats_ids; /**< The stats id ring. */\n \tstruct nfp_fl_stats *stats; /**< Store stats of flow. */\n \trte_spinlock_t stats_lock; /** < Lock the update of 'stats' field. */\n+\t/* neighbor next */\n+\tLIST_HEAD(, nfp_fl_tun)nn_list; /**< Store nn entry */\n };\n \n struct rte_flow {\n \tstruct nfp_fl_payload payload;\n+\tstruct nfp_fl_tun tun;\n \tsize_t length;\n \tuint32_t hash_key;\n \tbool install_flag;\n+\tenum nfp_flow_type type;\n };\n \n int nfp_flow_priv_init(struct nfp_pf_dev *pf_dev);\n",
    "prefixes": [
        "v2",
        "03/25"
    ]
}