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GET /api/patches/70663/?format=api
{ "id": 70663, "url": "http://patchwork.dpdk.org/api/patches/70663/?format=api", "web_url": "http://patchwork.dpdk.org/project/dpdk/patch/a58985061ef6670b02523380e908e52db36f4530.1590598121.git.anatoly.burakov@intel.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": "<a58985061ef6670b02523380e908e52db36f4530.1590598121.git.anatoly.burakov@intel.com>", "list_archive_url": "https://inbox.dpdk.org/dev/a58985061ef6670b02523380e908e52db36f4530.1590598121.git.anatoly.burakov@intel.com", "date": "2020-05-27T17:02:03", "name": "[RFC,3/6] net/ixgbe: implement power management API", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": true, "hash": "a4c2f3623d5d2f3782f58d7e8c703743bbef99db", "submitter": { "id": 4, "url": "http://patchwork.dpdk.org/api/people/4/?format=api", "name": "Anatoly Burakov", "email": "anatoly.burakov@intel.com" }, "delegate": { "id": 1, "url": "http://patchwork.dpdk.org/api/users/1/?format=api", "username": "tmonjalo", "first_name": "Thomas", "last_name": "Monjalon", "email": "thomas@monjalon.net" }, "mbox": "http://patchwork.dpdk.org/project/dpdk/patch/a58985061ef6670b02523380e908e52db36f4530.1590598121.git.anatoly.burakov@intel.com/mbox/", "series": [ { "id": 10259, "url": "http://patchwork.dpdk.org/api/series/10259/?format=api", "web_url": "http://patchwork.dpdk.org/project/dpdk/list/?series=10259", "date": "2020-05-27T17:02:00", "name": "Power-optimized RX for Ethernet devices", "version": 1, "mbox": "http://patchwork.dpdk.org/series/10259/mbox/" } ], "comments": "http://patchwork.dpdk.org/api/patches/70663/comments/", "check": "success", "checks": "http://patchwork.dpdk.org/api/patches/70663/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<dev-bounces@dpdk.org>", "X-Original-To": "patchwork@inbox.dpdk.org", "Delivered-To": "patchwork@inbox.dpdk.org", "Received": [ "from dpdk.org (dpdk.org [92.243.14.124])\n\tby inbox.dpdk.org (Postfix) with ESMTP id 68C99A00BE;\n\tWed, 27 May 2020 19:02:35 +0200 (CEST)", "from [92.243.14.124] (localhost [127.0.0.1])\n\tby dpdk.org (Postfix) with ESMTP id 817711DAF3;\n\tWed, 27 May 2020 19:02:20 +0200 (CEST)", "from mga01.intel.com (mga01.intel.com [192.55.52.88])\n by dpdk.org (Postfix) with ESMTP id 452E21DAAE\n for <dev@dpdk.org>; Wed, 27 May 2020 19:02:16 +0200 (CEST)", "from orsmga005.jf.intel.com ([10.7.209.41])\n by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384;\n 27 May 2020 10:02:13 -0700", "from silpixa00399498.ir.intel.com (HELO\n silpixa00399498.ger.corp.intel.com) ([10.237.222.52])\n by orsmga005.jf.intel.com with ESMTP; 27 May 2020 10:02:04 -0700" ], "IronPort-SDR": [ "\n W0lELPTnmyFxm+vhDOKQV5URjVoTVnAbx9HSjSbrO31KHGgwyVwez05kzC35H9cIege3U6xsDB\n 1WlRC5DnAgOg==", "\n YjZzOLtBCOWabpyS96JD2F/0ZucY3FpW+UNBK8k/eym6Oy7uN7ogpAZJsUknYI3Fv8wPuI5VUa\n erp5RbW4liEw==" ], "X-Amp-Result": "SKIPPED(no attachment in message)", "X-Amp-File-Uploaded": "False", "X-ExtLoop1": "1", "X-IronPort-AV": "E=Sophos;i=\"5.73,442,1583222400\"; d=\"scan'208\";a=\"442595977\"", "From": "Anatoly Burakov <anatoly.burakov@intel.com>", "To": "dev@dpdk.org", "Cc": "Wei Zhao <wei.zhao1@intel.com>, Jeff Guo <jia.guo@intel.com>,\n david.hunt@intel.com, liang.j.ma@intel.com", "Date": "Wed, 27 May 2020 18:02:03 +0100", "Message-Id": "\n <a58985061ef6670b02523380e908e52db36f4530.1590598121.git.anatoly.burakov@intel.com>", "X-Mailer": "git-send-email 2.17.1", "In-Reply-To": [ "<cover.1590598121.git.anatoly.burakov@intel.com>", "<cover.1590598121.git.anatoly.burakov@intel.com>" ], "References": [ "<cover.1590598121.git.anatoly.burakov@intel.com>", "<cover.1590598121.git.anatoly.burakov@intel.com>" ], "Subject": "[dpdk-dev] [RFC 3/6] net/ixgbe: implement power management API", "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 <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 <mailto:dev-request@dpdk.org?subject=subscribe>", "Errors-To": "dev-bounces@dpdk.org", "Sender": "\"dev\" <dev-bounces@dpdk.org>" }, "content": "Implement support for the power management API by implementing a\n`next_rx_desc` function that will return an address of an RX ring's\nstatus bit.\n\nSigned-off-by: Anatoly Burakov <anatoly.burakov@intel.com>\n---\n drivers/net/ixgbe/ixgbe_ethdev.c | 1 +\n drivers/net/ixgbe/ixgbe_rxtx.c | 22 ++++++++++++++++++++++\n drivers/net/ixgbe/ixgbe_rxtx.h | 2 ++\n 3 files changed, 25 insertions(+)", "diff": "diff --git a/drivers/net/ixgbe/ixgbe_ethdev.c b/drivers/net/ixgbe/ixgbe_ethdev.c\nindex a4e5c539de..190d11d98d 100644\n--- a/drivers/net/ixgbe/ixgbe_ethdev.c\n+++ b/drivers/net/ixgbe/ixgbe_ethdev.c\n@@ -605,6 +605,7 @@ static const struct eth_dev_ops ixgbe_eth_dev_ops = {\n \t.udp_tunnel_port_del = ixgbe_dev_udp_tunnel_port_del,\n \t.tm_ops_get = ixgbe_tm_ops_get,\n \t.tx_done_cleanup = ixgbe_dev_tx_done_cleanup,\n+\t.next_rx_desc = ixgbe_next_rx_desc,\n };\n \n /*\ndiff --git a/drivers/net/ixgbe/ixgbe_rxtx.c b/drivers/net/ixgbe/ixgbe_rxtx.c\nindex 2e20e18c7a..ef2fb5fca9 100644\n--- a/drivers/net/ixgbe/ixgbe_rxtx.c\n+++ b/drivers/net/ixgbe/ixgbe_rxtx.c\n@@ -1366,6 +1366,28 @@ const uint32_t\n \t\tRTE_PTYPE_INNER_L3_IPV4_EXT | RTE_PTYPE_INNER_L4_UDP,\n };\n \n+int ixgbe_next_rx_desc(void *rx_queue, volatile void **tail_desc_addr,\n+\t\tuint64_t *expected, uint64_t *mask)\n+{\n+\tvolatile union ixgbe_adv_rx_desc *rxdp;\n+\tstruct ixgbe_rx_queue *rxq = rx_queue;\n+\tuint16_t desc;\n+\n+\tdesc = rxq->rx_tail;\n+\trxdp = &rxq->rx_ring[desc];\n+\t/* watch for changes in status bit */\n+\t*tail_desc_addr = &rxdp->wb.upper.status_error;\n+\n+\t/*\n+\t * we expect the DD bit to be set to 1 if this descriptor was already\n+\t * written to.\n+\t */\n+\t*expected = rte_cpu_to_le_32(IXGBE_RXDADV_STAT_DD);\n+\t*mask = rte_cpu_to_le_32(IXGBE_RXDADV_STAT_DD);\n+\n+\treturn 0;\n+}\n+\n /* @note: fix ixgbe_dev_supported_ptypes_get() if any change here. */\n static inline uint32_t\n ixgbe_rxd_pkt_info_to_pkt_type(uint32_t pkt_info, uint16_t ptype_mask)\ndiff --git a/drivers/net/ixgbe/ixgbe_rxtx.h b/drivers/net/ixgbe/ixgbe_rxtx.h\nindex 20a8b291d4..6c35966c78 100644\n--- a/drivers/net/ixgbe/ixgbe_rxtx.h\n+++ b/drivers/net/ixgbe/ixgbe_rxtx.h\n@@ -299,5 +299,7 @@ uint64_t ixgbe_get_tx_port_offloads(struct rte_eth_dev *dev);\n uint64_t ixgbe_get_rx_queue_offloads(struct rte_eth_dev *dev);\n uint64_t ixgbe_get_rx_port_offloads(struct rte_eth_dev *dev);\n uint64_t ixgbe_get_tx_queue_offloads(struct rte_eth_dev *dev);\n+int ixgbe_next_rx_desc(void *rx_queue, volatile void **tail_desc_addr,\n+\t\tuint64_t *expected, uint64_t *mask);\n \n #endif /* _IXGBE_RXTX_H_ */\n", "prefixes": [ "RFC", "3/6" ] }