get:
Show a patch.

patch:
Update a patch.

put:
Update a patch.

GET /api/patches/19901/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 19901,
    "url": "http://patchwork.dpdk.org/api/patches/19901/?format=api",
    "web_url": "http://patchwork.dpdk.org/project/dpdk/patch/1485172803-17288-31-git-send-email-hemant.agrawal@nxp.com/",
    "project": {
        "id": 1,
        "url": "http://patchwork.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": "<1485172803-17288-31-git-send-email-hemant.agrawal@nxp.com>",
    "list_archive_url": "https://inbox.dpdk.org/dev/1485172803-17288-31-git-send-email-hemant.agrawal@nxp.com",
    "date": "2017-01-23T12:00:00",
    "name": "[dpdk-dev,PATCHv6,30/33] net/dpaa2: add support for non hw buffer pool packet transmit",
    "commit_ref": null,
    "pull_url": null,
    "state": "changes-requested",
    "archived": true,
    "hash": "49930564a680c2bd601a692c4318b89241728218",
    "submitter": {
        "id": 477,
        "url": "http://patchwork.dpdk.org/api/people/477/?format=api",
        "name": "Hemant Agrawal",
        "email": "hemant.agrawal@nxp.com"
    },
    "delegate": {
        "id": 319,
        "url": "http://patchwork.dpdk.org/api/users/319/?format=api",
        "username": "fyigit",
        "first_name": "Ferruh",
        "last_name": "Yigit",
        "email": "ferruh.yigit@amd.com"
    },
    "mbox": "http://patchwork.dpdk.org/project/dpdk/patch/1485172803-17288-31-git-send-email-hemant.agrawal@nxp.com/mbox/",
    "series": [],
    "comments": "http://patchwork.dpdk.org/api/patches/19901/comments/",
    "check": "success",
    "checks": "http://patchwork.dpdk.org/api/patches/19901/checks/",
    "tags": {},
    "related": [],
    "headers": {
        "Return-Path": "<dev-bounces@dpdk.org>",
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        "Received": [
            "from [92.243.14.124] (localhost [IPv6:::1])\n\tby dpdk.org (Postfix) with ESMTP id B377DFA77;\n\tMon, 23 Jan 2017 13:02:39 +0100 (CET)",
            "from NAM01-BN3-obe.outbound.protection.outlook.com\n\t(mail-bn3nam01on0075.outbound.protection.outlook.com [104.47.33.75])\n\tby dpdk.org (Postfix) with ESMTP id 955F2F97B\n\tfor <dev@dpdk.org>; Mon, 23 Jan 2017 13:01:52 +0100 (CET)",
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            "from tx30smr01.am.freescale.net (192.88.168.50) by\n\tBN1BFFO11FD016.mail.protection.outlook.com (10.58.144.79) with\n\tMicrosoft SMTP Server (version=TLS1_0,\n\tcipher=TLS_RSA_WITH_AES_256_CBC_SHA) id 15.1.803.8\n\tvia Frontend Transport; Mon, 23 Jan 2017 12:01:49 +0000",
            "from bf-netperf1.idc ([10.232.134.28])\n\tby tx30smr01.am.freescale.net (8.14.3/8.14.0) with ESMTP id\n\tv0NC07es019311; Mon, 23 Jan 2017 05:01:46 -0700"
        ],
        "Authentication-Results": "spf=fail (sender IP is 192.88.168.50)\n\tsmtp.mailfrom=nxp.com; nxp.com; dkim=none (message not signed)\n\theader.d=none; nxp.com; dmarc=fail action=none header.from=nxp.com;\n\tnxp.com; \n\tdkim=none (message not signed) header.d=none;",
        "Received-SPF": "Fail (protection.outlook.com: domain of nxp.com does not\n\tdesignate 192.88.168.50 as permitted sender)\n\treceiver=protection.outlook.com; \n\tclient-ip=192.88.168.50; helo=tx30smr01.am.freescale.net;",
        "From": "Hemant Agrawal <hemant.agrawal@nxp.com>",
        "To": "<dev@dpdk.org>",
        "CC": "<thomas.monjalon@6wind.com>, <bruce.richardson@intel.com>,\n\t<shreyansh.jain@nxp.com>, <john.mcnamara@intel.com>,\n\t<ferruh.yigit@intel.com>, <jerin.jacob@caviumnetworks.com>,\n\tHemant Agrawal <hemant.agrawal@nxp.com>",
        "Date": "Mon, 23 Jan 2017 17:30:00 +0530",
        "Message-ID": "<1485172803-17288-31-git-send-email-hemant.agrawal@nxp.com>",
        "X-Mailer": "git-send-email 1.9.1",
        "In-Reply-To": "<1485172803-17288-1-git-send-email-hemant.agrawal@nxp.com>",
        "References": "<1484832240-2048-1-git-send-email-hemant.agrawal@nxp.com>\n\t<1485172803-17288-1-git-send-email-hemant.agrawal@nxp.com>",
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        "Subject": "[dpdk-dev] [PATCHv6 30/33] net/dpaa2: add support for non hw buffer\n\tpool packet transmit",
        "X-BeenThere": "dev@dpdk.org",
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        "List-Id": "DPDK patches and discussions <dev.dpdk.org>",
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    },
    "content": "Signed-off-by: Hemant Agrawal <hemant.agrawal@nxp.com>\n---\n drivers/net/dpaa2/dpaa2_rxtx.c | 75 ++++++++++++++++++++++++++++++++++++++++--\n 1 file changed, 73 insertions(+), 2 deletions(-)",
    "diff": "diff --git a/drivers/net/dpaa2/dpaa2_rxtx.c b/drivers/net/dpaa2/dpaa2_rxtx.c\nindex c1ea33a..a94761c 100644\n--- a/drivers/net/dpaa2/dpaa2_rxtx.c\n+++ b/drivers/net/dpaa2/dpaa2_rxtx.c\n@@ -191,6 +191,55 @@ static void __attribute__ ((noinline)) __attribute__((hot))\n \t\tDPAA2_GET_FD_BPID(fd), DPAA2_GET_FD_LEN(fd));\n }\n \n+\n+static inline int __attribute__((hot))\n+eth_copy_mbuf_to_fd(struct rte_mbuf *mbuf,\n+\t\t    struct qbman_fd *fd, uint16_t bpid)\n+{\n+\tstruct rte_mbuf *m;\n+\tvoid *mb = NULL;\n+\n+\tif (rte_dpaa2_mbuf_alloc_bulk(\n+\t\trte_dpaa2_bpid_info[bpid].bp_list->buf_pool.mp, &mb, 1)) {\n+\t\tPMD_TX_LOG(WARNING, \"Unable to allocated DPAA2 buffer\");\n+\t\trte_pktmbuf_free(mbuf);\n+\t\treturn -1;\n+\t}\n+\tm = (struct rte_mbuf *)mb;\n+\tmemcpy((char *)m->buf_addr + mbuf->data_off,\n+\t       (void *)((char *)mbuf->buf_addr + mbuf->data_off),\n+\t\tmbuf->pkt_len);\n+\n+\t/* Copy required fields */\n+\tm->data_off = mbuf->data_off;\n+\tm->ol_flags = mbuf->ol_flags;\n+\tm->packet_type = mbuf->packet_type;\n+\tm->tx_offload = mbuf->tx_offload;\n+\n+\t/*Resetting the buffer pool id and offset field*/\n+\tfd->simple.bpid_offset = 0;\n+\n+\tDPAA2_SET_FD_ADDR(fd, (m->buf_addr));\n+\tDPAA2_SET_FD_LEN(fd, mbuf->data_len);\n+\tDPAA2_SET_FD_BPID(fd, bpid);\n+\tDPAA2_SET_FD_OFFSET(fd, mbuf->data_off);\n+\tDPAA2_SET_FD_ASAL(fd, DPAA2_ASAL_VAL);\n+\n+\tPMD_TX_LOG(DEBUG, \" mbuf %p BMAN buf addr %p\",\n+\t\t   (void *)mbuf, mbuf->buf_addr);\n+\n+\tPMD_TX_LOG(DEBUG, \" fdaddr =%lx bpid =%d meta =%d off =%d, len =%d\",\n+\t\t   DPAA2_GET_FD_ADDR(fd),\n+\t\tDPAA2_GET_FD_BPID(fd),\n+\t\trte_dpaa2_bpid_info[DPAA2_GET_FD_BPID(fd)].meta_data_size,\n+\t\tDPAA2_GET_FD_OFFSET(fd),\n+\t\tDPAA2_GET_FD_LEN(fd));\n+\t/*free the original packet */\n+\trte_pktmbuf_free(mbuf);\n+\n+\treturn 0;\n+}\n+\n uint16_t\n dpaa2_dev_rx(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts)\n {\n@@ -331,8 +380,29 @@ static void __attribute__ ((noinline)) __attribute__((hot))\n \t\t\tDPAA2_RESET_FD_CTRL((&fd_arr[loop]));\n \t\t\tDPAA2_SET_FD_FLC((&fd_arr[loop]), NULL);\n \t\t\tmp = (*bufs)->pool;\n-\t\t\tbpid = mempool_to_bpid(mp);\n-\t\t\teth_mbuf_to_fd(*bufs, &fd_arr[loop], bpid);\n+\t\t\t/* Not a hw_pkt pool allocated frame */\n+\t\t\tif (mp && !(mp->flags & MEMPOOL_F_HW_PKT_POOL)) {\n+\t\t\t\tPMD_TX_LOG(ERR, \"non hw offload bufffer \");\n+\t\t\t\t/* alloc should be from the default buffer pool\n+\t\t\t\t * attached to this interface\n+\t\t\t\t */\n+\t\t\t\tif (priv->bp_list) {\n+\t\t\t\t\tbpid = priv->bp_list->buf_pool.bpid;\n+\t\t\t\t} else {\n+\t\t\t\t\tPMD_TX_LOG(ERR, \"errr: why no bpool\"\n+\t\t\t\t\t\t   \" attached\");\n+\t\t\t\t\tnum_tx = 0;\n+\t\t\t\t\tgoto skip_tx;\n+\t\t\t\t}\n+\t\t\t\tif (eth_copy_mbuf_to_fd(*bufs,\n+\t\t\t\t\t\t\t&fd_arr[loop], bpid)) {\n+\t\t\t\t\tbufs++;\n+\t\t\t\t\tcontinue;\n+\t\t\t\t}\n+\t\t\t} else {\n+\t\t\t\tbpid = mempool_to_bpid(mp);\n+\t\t\t\teth_mbuf_to_fd(*bufs, &fd_arr[loop], bpid);\n+\t\t\t}\n \t\t\tbufs++;\n \t\t}\n \t\tloop = 0;\n@@ -345,5 +415,6 @@ static void __attribute__ ((noinline)) __attribute__((hot))\n \t\tdpaa2_q->tx_pkts += frames_to_send;\n \t\tnb_pkts -= frames_to_send;\n \t}\n+skip_tx:\n \treturn num_tx;\n }\n",
    "prefixes": [
        "dpdk-dev",
        "PATCHv6",
        "30/33"
    ]
}