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GET /api/patches/112982/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 112982,
    "url": "http://patches.dpdk.org/api/patches/112982/?format=api",
    "web_url": "http://patches.dpdk.org/project/dpdk/patch/20220617093444.2004000-9-jin.liu@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",
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        "list_archive_url_format": "https://inbox.dpdk.org/dev/{}",
        "commit_url_format": ""
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    "msgid": "<20220617093444.2004000-9-jin.liu@corigine.com>",
    "list_archive_url": "https://inbox.dpdk.org/dev/20220617093444.2004000-9-jin.liu@corigine.com",
    "date": "2022-06-17T09:34:39",
    "name": "[v3,08/13] net/nfp: structure adjustment",
    "commit_ref": null,
    "pull_url": null,
    "state": "changes-requested",
    "archived": true,
    "hash": "e816d49d3efd31270f12447667cb9661050e2b54",
    "submitter": {
        "id": 2670,
        "url": "http://patches.dpdk.org/api/people/2670/?format=api",
        "name": "Jin Liu",
        "email": "jin.liu@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/20220617093444.2004000-9-jin.liu@corigine.com/mbox/",
    "series": [
        {
            "id": 23606,
            "url": "http://patches.dpdk.org/api/series/23606/?format=api",
            "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=23606",
            "date": "2022-06-17T09:34:31",
            "name": "Add support of NFP3800 chip and firmware with NFDk",
            "version": 3,
            "mbox": "http://patches.dpdk.org/series/23606/mbox/"
        }
    ],
    "comments": "http://patches.dpdk.org/api/patches/112982/comments/",
    "check": "warning",
    "checks": "http://patches.dpdk.org/api/patches/112982/checks/",
    "tags": {},
    "related": [],
    "headers": {
        "Return-Path": "<dev-bounces@dpdk.org>",
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        "Authentication-Results": "dkim=none (message not signed)\n header.d=none;dmarc=none action=none header.from=corigine.com;",
        "From": "Jin Liu <jin.liu@corigine.com>",
        "To": "dev@dpdk.org",
        "Cc": "niklas.soderlund@corigine.com, Jin Liu <jin.liu@corigine.com>,\n Diana Wang <na.wang@corigine.com>, Peng Zhang <peng.zhang@corigine.com>,\n Chaoyong He <chaoyong.he@corigine.com>",
        "Subject": "[PATCH v3 08/13] net/nfp: structure adjustment",
        "Date": "Fri, 17 Jun 2022 11:34:39 +0200",
        "Message-Id": "<20220617093444.2004000-9-jin.liu@corigine.com>",
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        "References": "<20220616023939.1798769-1-jin.liu@corigine.com>\n <20220617093444.2004000-1-jin.liu@corigine.com>",
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    },
    "content": "Add and modify the nfp PMD struct and macro that will be used by firmware\nwith NFDk.\n\nSigned-off-by: Jin Liu <jin.liu@corigine.com>\nSigned-off-by: Diana Wang <na.wang@corigine.com>\nSigned-off-by: Peng Zhang <peng.zhang@corigine.com>\nSigned-off-by: Chaoyong He <chaoyong.he@corigine.com>\nSigned-off-by: Niklas Söderlund <niklas.soderlund@corigine.com>\n---\n drivers/net/nfp/nfp_rxtx.h | 58 +++++++++++++++++++++++++++++++++++++-\n 1 file changed, 57 insertions(+), 1 deletion(-)",
    "diff": "diff --git a/drivers/net/nfp/nfp_rxtx.h b/drivers/net/nfp/nfp_rxtx.h\nindex d784f52b66..106980b9a7 100644\n--- a/drivers/net/nfp/nfp_rxtx.h\n+++ b/drivers/net/nfp/nfp_rxtx.h\n@@ -53,6 +53,31 @@\n #define PCIE_DESC_TX_ENCAP_VXLAN        (1 << 1)\n #define PCIE_DESC_TX_ENCAP_GRE          (1 << 0)\n \n+#define NFDK_TX_MAX_DATA_PER_HEAD       0x00001000\n+#define NFDK_DESC_TX_DMA_LEN_HEAD       0x0fff\n+#define NFDK_DESC_TX_TYPE_HEAD          0xf000\n+#define NFDK_DESC_TX_DMA_LEN            0x3fff\n+#define NFDK_TX_DESC_PER_SIMPLE_PKT     2\n+#define NFDK_DESC_TX_TYPE_TSO           2\n+#define NFDK_DESC_TX_TYPE_SIMPLE        8\n+#define NFDK_DESC_TX_TYPE_GATHER        1\n+#define NFDK_DESC_TX_EOP                BIT(14)\n+#define NFDK_DESC_TX_L4_CSUM            BIT(1)\n+#define NFDK_DESC_TX_L3_CSUM            BIT(0)\n+\n+#define NFDK_TX_MAX_DATA_PER_DESC      0x00004000\n+#define NFDK_TX_DESC_GATHER_MAX        17\n+#define DIV_ROUND_UP(n, d)             (((n) + (d) - 1) / (d))\n+#define NFDK_TX_DESC_BLOCK_SZ          256\n+#define NFDK_TX_DESC_BLOCK_CNT         (NFDK_TX_DESC_BLOCK_SZ /         \\\n+\t\t\t\t\tsizeof(struct nfp_net_nfdk_tx_desc))\n+#define NFDK_TX_DESC_STOP_CNT          (NFDK_TX_DESC_BLOCK_CNT *        \\\n+\t\t\t\t\tNFDK_TX_DESC_PER_SIMPLE_PKT)\n+#define NFDK_TX_MAX_DATA_PER_BLOCK     0x00010000\n+#define D_BLOCK_CPL(idx)               (NFDK_TX_DESC_BLOCK_CNT -        \\\n+\t\t\t\t\t(idx) % NFDK_TX_DESC_BLOCK_CNT)\n+#define D_IDX(ring, idx)               ((idx) & ((ring)->tx_count - 1))\n+\n struct nfp_net_nfd3_tx_desc {\n \tunion {\n \t\tstruct {\n@@ -84,6 +109,33 @@ struct nfp_net_nfd3_tx_desc {\n \t};\n };\n \n+struct nfp_net_nfdk_tx_desc {\n+\tunion {\n+\t\tstruct {\n+\t\t\t__le16 dma_addr_hi;  /* High bits of host buf address */\n+\t\t\t__le16 dma_len_type; /* Length to DMA for this desc */\n+\t\t\t__le32 dma_addr_lo;  /* Low 32bit of host buf addr */\n+\t\t};\n+\n+\t\tstruct {\n+\t\t\t__le16 mss;\t/* MSS to be used for LSO */\n+\t\t\tuint8_t lso_hdrlen;  /* LSO, TCP payload offset */\n+\t\t\tuint8_t lso_totsegs; /* LSO, total segments */\n+\t\t\tuint8_t l3_offset;   /* L3 header offset */\n+\t\t\tuint8_t l4_offset;   /* L4 header offset */\n+\t\t\t__le16 lso_meta_res; /* Rsvd bits in TSO metadata */\n+\t\t};\n+\n+\t\tstruct {\n+\t\t\tuint8_t flags;\t/* TX Flags, see @NFDK_DESC_TX_* */\n+\t\t\tuint8_t reserved[7];\t/* meta byte placeholder */\n+\t\t};\n+\n+\t\t__le32 vals[2];\n+\t\t__le64 raw;\n+\t};\n+};\n+\n struct nfp_net_txq {\n \tstruct nfp_net_hw *hw; /* Backpointer to nfp_net structure */\n \n@@ -124,7 +176,10 @@ struct nfp_net_txq {\n \t * of the queue and @size is the size in bytes for the queue\n \t * (needed for free)\n \t */\n-\tstruct nfp_net_nfd3_tx_desc *txds;\n+\tunion {\n+\t\tstruct nfp_net_nfd3_tx_desc *txds;\n+\t\tstruct nfp_net_nfdk_tx_desc *ktxds;\n+\t};\n \n \t/*\n \t * At this point 48 bytes have been used for all the fields in the\n@@ -137,6 +192,7 @@ struct nfp_net_txq {\n \tuint32_t tx_hthresh;   /* not used by now. Future? */\n \tuint32_t tx_wthresh;   /* not used by now. Future? */\n \tuint16_t port_id;\n+\tuint16_t data_pending; /* used by nfdk only */\n \tint qidx;\n \tint tx_qcidx;\n \t__le64 dma;\n",
    "prefixes": [
        "v3",
        "08/13"
    ]
}