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GET /api/patches/41992/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 41992,
    "url": "http://patches.dpdk.org/api/patches/41992/?format=api",
    "web_url": "http://patches.dpdk.org/project/dpdk/patch/fde366428e20b1cd7d0f30de818138035a2bbdbe.1530295732.git.rahul.lakkireddy@chelsio.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": "<fde366428e20b1cd7d0f30de818138035a2bbdbe.1530295732.git.rahul.lakkireddy@chelsio.com>",
    "list_archive_url": "https://inbox.dpdk.org/dev/fde366428e20b1cd7d0f30de818138035a2bbdbe.1530295732.git.rahul.lakkireddy@chelsio.com",
    "date": "2018-06-29T18:12:21",
    "name": "[6/9] net/cxgbe: add support to query hit counters for flows in HASH region",
    "commit_ref": null,
    "pull_url": null,
    "state": "accepted",
    "archived": true,
    "hash": "8368faa0efc9fc9b57f16881dd9e977738a6c4ed",
    "submitter": {
        "id": 241,
        "url": "http://patches.dpdk.org/api/people/241/?format=api",
        "name": "Rahul Lakkireddy",
        "email": "rahul.lakkireddy@chelsio.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/fde366428e20b1cd7d0f30de818138035a2bbdbe.1530295732.git.rahul.lakkireddy@chelsio.com/mbox/",
    "series": [
        {
            "id": 331,
            "url": "http://patches.dpdk.org/api/series/331/?format=api",
            "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=331",
            "date": "2018-06-29T18:12:15",
            "name": "net/cxgbe: add support for offloading flows to HASH region",
            "version": 1,
            "mbox": "http://patches.dpdk.org/series/331/mbox/"
        }
    ],
    "comments": "http://patches.dpdk.org/api/patches/41992/comments/",
    "check": "success",
    "checks": "http://patches.dpdk.org/api/patches/41992/checks/",
    "tags": {},
    "related": [],
    "headers": {
        "Return-Path": "<dev-bounces@dpdk.org>",
        "X-Original-To": "patchwork@dpdk.org",
        "Delivered-To": "patchwork@dpdk.org",
        "Received": [
            "from [92.243.14.124] (localhost [127.0.0.1])\n\tby dpdk.org (Postfix) with ESMTP id 0C74E1BA42;\n\tFri, 29 Jun 2018 20:13:52 +0200 (CEST)",
            "from stargate.chelsio.com (stargate.chelsio.com [12.32.117.8])\n\tby dpdk.org (Postfix) with ESMTP id AB7651BA9E\n\tfor <dev@dpdk.org>; Fri, 29 Jun 2018 20:13:50 +0200 (CEST)",
            "from localhost (scalar.blr.asicdesigners.com [10.193.185.94])\n\tby stargate.chelsio.com (8.13.8/8.13.8) with ESMTP id w5TIDgvF028629; \n\tFri, 29 Jun 2018 11:13:48 -0700"
        ],
        "From": "Rahul Lakkireddy <rahul.lakkireddy@chelsio.com>",
        "To": "dev@dpdk.org",
        "Cc": "shaguna@chelsio.com, indranil@chelsio.com, nirranjan@chelsio.com",
        "Date": "Fri, 29 Jun 2018 23:42:21 +0530",
        "Message-Id": "<fde366428e20b1cd7d0f30de818138035a2bbdbe.1530295732.git.rahul.lakkireddy@chelsio.com>",
        "X-Mailer": "git-send-email 2.5.3",
        "In-Reply-To": [
            "<cover.1530295732.git.rahul.lakkireddy@chelsio.com>",
            "<cover.1530295732.git.rahul.lakkireddy@chelsio.com>"
        ],
        "References": [
            "<cover.1530295732.git.rahul.lakkireddy@chelsio.com>",
            "<cover.1530295732.git.rahul.lakkireddy@chelsio.com>"
        ],
        "Subject": "[dpdk-dev] [PATCH 6/9] net/cxgbe: add support to query hit counters\n\tfor flows in HASH region",
        "X-BeenThere": "dev@dpdk.org",
        "X-Mailman-Version": "2.1.15",
        "Precedence": "list",
        "List-Id": "DPDK patches and discussions <dev.dpdk.org>",
        "List-Unsubscribe": "<https://mails.dpdk.org/options/dev>,\n\t<mailto:dev-request@dpdk.org?subject=unsubscribe>",
        "List-Archive": "<http://mails.dpdk.org/archives/dev/>",
        "List-Post": "<mailto:dev@dpdk.org>",
        "List-Help": "<mailto:dev-request@dpdk.org?subject=help>",
        "List-Subscribe": "<https://mails.dpdk.org/listinfo/dev>,\n\t<mailto:dev-request@dpdk.org?subject=subscribe>",
        "Errors-To": "dev-bounces@dpdk.org",
        "Sender": "\"dev\" <dev-bounces@dpdk.org>"
    },
    "content": "From: Shagun Agrawal <shaguna@chelsio.com>\n\nAdd interface to enable hit counters for flows offloaded in HASH\nregion.\n\nSigned-off-by: Shagun Agrawal <shaguna@chelsio.com>\nSigned-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com>\n---\n drivers/net/cxgbe/base/t4_tcb.h  | 11 +++++++\n drivers/net/cxgbe/cxgbe_filter.c | 71 +++++++++++++++++++++++++++++++++++++---\n drivers/net/cxgbe/cxgbe_filter.h |  2 +-\n drivers/net/cxgbe/cxgbe_flow.c   |  5 +--\n 4 files changed, 81 insertions(+), 8 deletions(-)",
    "diff": "diff --git a/drivers/net/cxgbe/base/t4_tcb.h b/drivers/net/cxgbe/base/t4_tcb.h\nindex 6d7f5e8c1..25435f9f4 100644\n--- a/drivers/net/cxgbe/base/t4_tcb.h\n+++ b/drivers/net/cxgbe/base/t4_tcb.h\n@@ -12,4 +12,15 @@\n #define M_TCB_RSS_INFO    0x3ffULL\n #define V_TCB_RSS_INFO(x) ((x) << S_TCB_RSS_INFO)\n \n+/* 191:160 */\n+#define W_TCB_TIMESTAMP    5\n+#define S_TCB_TIMESTAMP    0\n+#define M_TCB_TIMESTAMP    0xffffffffULL\n+#define V_TCB_TIMESTAMP(x) ((x) << S_TCB_TIMESTAMP)\n+\n+/* 223:192 */\n+#define S_TCB_T_RTT_TS_RECENT_AGE    0\n+#define M_TCB_T_RTT_TS_RECENT_AGE    0xffffffffULL\n+#define V_TCB_T_RTT_TS_RECENT_AGE(x) ((x) << S_TCB_T_RTT_TS_RECENT_AGE)\n+\n #endif /* _T4_TCB_DEFS_H */\ndiff --git a/drivers/net/cxgbe/cxgbe_filter.c b/drivers/net/cxgbe/cxgbe_filter.c\nindex 7759b8acf..ff43488b5 100644\n--- a/drivers/net/cxgbe/cxgbe_filter.c\n+++ b/drivers/net/cxgbe/cxgbe_filter.c\n@@ -117,6 +117,36 @@ int writable_filter(struct filter_entry *f)\n \treturn 0;\n }\n \n+/**\n+ * Send CPL_SET_TCB_FIELD message\n+ */\n+static void set_tcb_field(struct adapter *adapter, unsigned int ftid,\n+\t\t\t  u16 word, u64 mask, u64 val, int no_reply)\n+{\n+\tstruct rte_mbuf *mbuf;\n+\tstruct cpl_set_tcb_field *req;\n+\tstruct sge_ctrl_txq *ctrlq;\n+\n+\tctrlq = &adapter->sge.ctrlq[0];\n+\tmbuf = rte_pktmbuf_alloc(ctrlq->mb_pool);\n+\tWARN_ON(!mbuf);\n+\n+\tmbuf->data_len = sizeof(*req);\n+\tmbuf->pkt_len = mbuf->data_len;\n+\n+\treq = rte_pktmbuf_mtod(mbuf, struct cpl_set_tcb_field *);\n+\tmemset(req, 0, sizeof(*req));\n+\tINIT_TP_WR_MIT_CPL(req, CPL_SET_TCB_FIELD, ftid);\n+\treq->reply_ctrl = cpu_to_be16(V_REPLY_CHAN(0) |\n+\t\t\t\t      V_QUEUENO(adapter->sge.fw_evtq.abs_id) |\n+\t\t\t\t      V_NO_REPLY(no_reply));\n+\treq->word_cookie = cpu_to_be16(V_WORD(word) | V_COOKIE(ftid));\n+\treq->mask = cpu_to_be64(mask);\n+\treq->val = cpu_to_be64(val);\n+\n+\tt4_mgmt_tx(ctrlq, mbuf);\n+}\n+\n /**\n  * Build a CPL_SET_TCB_FIELD message as payload of a ULP_TX_PKT command.\n  */\n@@ -978,6 +1008,15 @@ void hash_filter_rpl(struct adapter *adap, const struct cpl_act_open_rpl *rpl)\n \t\t\tctx->tid = f->tid;\n \t\t\tctx->result = 0;\n \t\t}\n+\t\tif (f->fs.hitcnts)\n+\t\t\tset_tcb_field(adap, tid,\n+\t\t\t\t      W_TCB_TIMESTAMP,\n+\t\t\t\t      V_TCB_TIMESTAMP(M_TCB_TIMESTAMP) |\n+\t\t\t\t      V_TCB_T_RTT_TS_RECENT_AGE\n+\t\t\t\t\t      (M_TCB_T_RTT_TS_RECENT_AGE),\n+\t\t\t\t      V_TCB_TIMESTAMP(0ULL) |\n+\t\t\t\t      V_TCB_T_RTT_TS_RECENT_AGE(0ULL),\n+\t\t\t\t      1);\n \t\tbreak;\n \t}\n \tdefault:\n@@ -1068,22 +1107,44 @@ void filter_rpl(struct adapter *adap, const struct cpl_set_tcb_rpl *rpl)\n  * Retrieve the packet count for the specified filter.\n  */\n int cxgbe_get_filter_count(struct adapter *adapter, unsigned int fidx,\n-\t\t\t   u64 *c, bool get_byte)\n+\t\t\t   u64 *c, int hash, bool get_byte)\n {\n \tstruct filter_entry *f;\n \tunsigned int tcb_base, tcbaddr;\n \tint ret;\n \n \ttcb_base = t4_read_reg(adapter, A_TP_CMM_TCB_BASE);\n-\tif (fidx >= adapter->tids.nftids)\n-\t\treturn -ERANGE;\n+\tif (is_hashfilter(adapter) && hash) {\n+\t\tif (fidx < adapter->tids.ntids) {\n+\t\t\tf = adapter->tids.tid_tab[fidx];\n+\t\t\tif (!f)\n+\t\t\t\treturn -EINVAL;\n+\n+\t\t\tif (is_t5(adapter->params.chip)) {\n+\t\t\t\t*c = 0;\n+\t\t\t\treturn 0;\n+\t\t\t}\n+\t\t\ttcbaddr = tcb_base + (fidx * TCB_SIZE);\n+\t\t\tgoto get_count;\n+\t\t} else {\n+\t\t\treturn -ERANGE;\n+\t\t}\n+\t} else {\n+\t\tif (fidx >= adapter->tids.nftids)\n+\t\t\treturn -ERANGE;\n+\n+\t\tf = &adapter->tids.ftid_tab[fidx];\n+\t\tif (!f->valid)\n+\t\t\treturn -EINVAL;\n+\n+\t\ttcbaddr = tcb_base + f->tid * TCB_SIZE;\n+\t}\n \n \tf = &adapter->tids.ftid_tab[fidx];\n \tif (!f->valid)\n \t\treturn -EINVAL;\n \n-\ttcbaddr = tcb_base + f->tid * TCB_SIZE;\n-\n+get_count:\n \tif (is_t5(adapter->params.chip) || is_t6(adapter->params.chip)) {\n \t\t/*\n \t\t * For T5, the Filter Packet Hit Count is maintained as a\ndiff --git a/drivers/net/cxgbe/cxgbe_filter.h b/drivers/net/cxgbe/cxgbe_filter.h\nindex c51efea7d..fac1f75f9 100644\n--- a/drivers/net/cxgbe/cxgbe_filter.h\n+++ b/drivers/net/cxgbe/cxgbe_filter.h\n@@ -228,5 +228,5 @@ void hash_del_filter_rpl(struct adapter *adap,\n \t\t\t const struct cpl_abort_rpl_rss *rpl);\n int validate_filter(struct adapter *adap, struct ch_filter_specification *fs);\n int cxgbe_get_filter_count(struct adapter *adapter, unsigned int fidx,\n-\t\t\t   u64 *c, bool get_byte);\n+\t\t\t   u64 *c, int hash, bool get_byte);\n #endif /* _CXGBE_FILTER_H_ */\ndiff --git a/drivers/net/cxgbe/cxgbe_flow.c b/drivers/net/cxgbe/cxgbe_flow.c\nindex 4950cb41c..48df62aff 100644\n--- a/drivers/net/cxgbe/cxgbe_flow.c\n+++ b/drivers/net/cxgbe/cxgbe_flow.c\n@@ -591,13 +591,14 @@ static int __cxgbe_flow_query(struct rte_flow *flow, u64 *count,\n \t\t\t      u64 *byte_count)\n {\n \tstruct adapter *adap = ethdev2adap(flow->dev);\n+\tstruct ch_filter_specification fs = flow->f->fs;\n \tunsigned int fidx = flow->fidx;\n \tint ret = 0;\n \n-\tret = cxgbe_get_filter_count(adap, fidx, count, 0);\n+\tret = cxgbe_get_filter_count(adap, fidx, count, fs.cap, 0);\n \tif (ret)\n \t\treturn ret;\n-\treturn cxgbe_get_filter_count(adap, fidx, byte_count, 1);\n+\treturn cxgbe_get_filter_count(adap, fidx, byte_count, fs.cap, 1);\n }\n \n static int\n",
    "prefixes": [
        "6/9"
    ]
}