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GET /api/patches/117602/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 117602,
    "url": "http://patches.dpdk.org/api/patches/117602/?format=api",
    "web_url": "http://patches.dpdk.org/project/dpdk/patch/20221007174336.54354-23-andrew.boyer@amd.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": "<20221007174336.54354-23-andrew.boyer@amd.com>",
    "list_archive_url": "https://inbox.dpdk.org/dev/20221007174336.54354-23-andrew.boyer@amd.com",
    "date": "2022-10-07T17:43:23",
    "name": "[22/35] net/ionic: do bulk allocations of receive mbufs",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": true,
    "hash": "6df44749af369f436e56ede1616f390d26378396",
    "submitter": {
        "id": 2861,
        "url": "http://patches.dpdk.org/api/people/2861/?format=api",
        "name": "Andrew Boyer",
        "email": "Andrew.Boyer@amd.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/20221007174336.54354-23-andrew.boyer@amd.com/mbox/",
    "series": [
        {
            "id": 25037,
            "url": "http://patches.dpdk.org/api/series/25037/?format=api",
            "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=25037",
            "date": "2022-10-07T17:43:01",
            "name": "net/ionic: updates for 22.11 release",
            "version": 1,
            "mbox": "http://patches.dpdk.org/series/25037/mbox/"
        }
    ],
    "comments": "http://patches.dpdk.org/api/patches/117602/comments/",
    "check": "success",
    "checks": "http://patches.dpdk.org/api/patches/117602/checks/",
    "tags": {},
    "related": [],
    "headers": {
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        "From": "Andrew Boyer <andrew.boyer@amd.com>",
        "To": "<dev@dpdk.org>",
        "CC": "Andrew Boyer <andrew.boyer@amd.com>",
        "Subject": "[PATCH 22/35] net/ionic: do bulk allocations of receive mbufs",
        "Date": "Fri, 7 Oct 2022 10:43:23 -0700",
        "Message-ID": "<20221007174336.54354-23-andrew.boyer@amd.com>",
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    "content": "Do bulk allocations to improve performance.\n\nSigned-off-by: Andrew Boyer <andrew.boyer@amd.com>\n---\n drivers/net/ionic/ionic_lif.h  |  6 ++++++\n drivers/net/ionic/ionic_rxtx.c | 35 ++++++++++++++++++++++++++--------\n 2 files changed, 33 insertions(+), 8 deletions(-)",
    "diff": "diff --git a/drivers/net/ionic/ionic_lif.h b/drivers/net/ionic/ionic_lif.h\nindex 4fb1f213ff..5231909213 100644\n--- a/drivers/net/ionic/ionic_lif.h\n+++ b/drivers/net/ionic/ionic_lif.h\n@@ -17,6 +17,8 @@\n #define IONIC_ADMINQ_LENGTH\t16\t/* must be a power of two */\n #define IONIC_NOTIFYQ_LENGTH\t64\t/* must be a power of two */\n \n+#define IONIC_MBUF_BULK_ALLOC\t64\t/* Multiple of 4 */\n+\n #define IONIC_RSS_OFFLOAD_ALL ( \\\n \tIONIC_RSS_TYPE_IPV4 | \\\n \tIONIC_RSS_TYPE_IPV4_TCP | \\\n@@ -86,9 +88,13 @@ struct ionic_rx_qcq {\n \tuint16_t hdr_seg_size;\t/* Length of first segment of RX chain */\n \tuint16_t seg_size;\t/* Length of all subsequent segments */\n \tuint16_t flags;\n+\tuint16_t mb_idx;\n \n \t/* cacheline3 (inside stats) */\n \tstruct ionic_rx_stats stats;\n+\n+\t/* cacheline4+ */\n+\tstruct rte_mbuf *mbs[IONIC_MBUF_BULK_ALLOC] __rte_cache_aligned;\n };\n \n struct ionic_tx_qcq {\ndiff --git a/drivers/net/ionic/ionic_rxtx.c b/drivers/net/ionic/ionic_rxtx.c\nindex 30f7ce9fc6..5ee6573a50 100644\n--- a/drivers/net/ionic/ionic_rxtx.c\n+++ b/drivers/net/ionic/ionic_rxtx.c\n@@ -77,6 +77,10 @@ ionic_rx_empty(struct ionic_rx_qcq *rxq)\n \t * fragments that were left dangling for later reuse\n \t */\n \tionic_empty_array(q->info, q->num_descs * q->num_segs, 0);\n+\n+\tionic_empty_array((void **)rxq->mbs,\n+\t\t\tIONIC_MBUF_BULK_ALLOC, rxq->mb_idx);\n+\trxq->mb_idx = 0;\n }\n \n /*********************************************************************\n@@ -950,6 +954,7 @@ ionic_rx_fill_one(struct ionic_rx_qcq *rxq)\n \trte_iova_t data_iova;\n \tuint32_t i;\n \tvoid **info;\n+\tint ret;\n \n \tinfo = IONIC_INFO_PTR(q, q->head_idx);\n \tdesc = &desc_base[q->head_idx];\n@@ -959,12 +964,19 @@ ionic_rx_fill_one(struct ionic_rx_qcq *rxq)\n \tif (unlikely(info[0]))\n \t\treturn 0;\n \n-\trxm = rte_mbuf_raw_alloc(rxq->mb_pool);\n-\tif (unlikely(rxm == NULL)) {\n-\t\tassert(0);\n-\t\treturn -ENOMEM;\n+\tif (rxq->mb_idx == 0) {\n+\t\tret = rte_mempool_get_bulk(rxq->mb_pool,\n+\t\t\t\t\t(void **)rxq->mbs,\n+\t\t\t\t\tIONIC_MBUF_BULK_ALLOC);\n+\t\tif (ret) {\n+\t\t\tassert(0);\n+\t\t\treturn -ENOMEM;\n+\t\t}\n+\n+\t\trxq->mb_idx = IONIC_MBUF_BULK_ALLOC;\n \t}\n \n+\trxm = rxq->mbs[--rxq->mb_idx];\n \tinfo[0] = rxm;\n \n \tdata_iova = rte_mbuf_data_iova_default(rxm);\n@@ -975,12 +987,19 @@ ionic_rx_fill_one(struct ionic_rx_qcq *rxq)\n \t\tif (info[i])\n \t\t\treturn 0;\n \n-\t\trxm_seg = rte_mbuf_raw_alloc(rxq->mb_pool);\n-\t\tif (rxm_seg == NULL) {\n-\t\t\tassert(0);\n-\t\t\treturn -ENOMEM;\n+\t\tif (rxq->mb_idx == 0) {\n+\t\t\tret = rte_mempool_get_bulk(rxq->mb_pool,\n+\t\t\t\t\t(void **)rxq->mbs,\n+\t\t\t\t\tIONIC_MBUF_BULK_ALLOC);\n+\t\t\tif (ret) {\n+\t\t\t\tassert(0);\n+\t\t\t\treturn -ENOMEM;\n+\t\t\t}\n+\n+\t\t\trxq->mb_idx = IONIC_MBUF_BULK_ALLOC;\n \t\t}\n \n+\t\trxm_seg = rxq->mbs[--rxq->mb_idx];\n \t\tinfo[i] = rxm_seg;\n \n \t\t/* The data_off does not get set to 0 until later */\n",
    "prefixes": [
        "22/35"
    ]
}