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GET /api/patches/137845/?format=api
{ "id": 137845, "url": "http://patches.dpdk.org/api/patches/137845/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/patch/20240304090136.861-9-shaibran@amazon.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": "<20240304090136.861-9-shaibran@amazon.com>", "list_archive_url": "https://inbox.dpdk.org/dev/20240304090136.861-9-shaibran@amazon.com", "date": "2024-03-04T09:01:11", "name": "[08/33] net/ena/hal: exponential backoff exp limit", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": true, "hash": "17a4ab457bdcbfcb48f5020388ec9ae2f9091092", "submitter": { "id": 2930, "url": "http://patches.dpdk.org/api/people/2930/?format=api", "name": "Brandes, Shai", "email": "shaibran@amazon.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/20240304090136.861-9-shaibran@amazon.com/mbox/", "series": [ { "id": 31356, "url": "http://patches.dpdk.org/api/series/31356/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=31356", "date": "2024-03-04T09:01:07", "name": "net/ena: v2.9.0 driver release", "version": 1, "mbox": "http://patches.dpdk.org/series/31356/mbox/" } ], "comments": "http://patches.dpdk.org/api/patches/137845/comments/", "check": "success", "checks": "http://patches.dpdk.org/api/patches/137845/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 mails.dpdk.org (mails.dpdk.org [217.70.189.124])\n\tby inbox.dpdk.org (Postfix) with ESMTP id 2C83D43B9B;\n\tMon, 4 Mar 2024 10:02:32 +0100 (CET)", "from mails.dpdk.org (localhost [127.0.0.1])\n\tby mails.dpdk.org (Postfix) with ESMTP id 94895406B6;\n\tMon, 4 Mar 2024 10:01:59 +0100 (CET)", "from smtp-fw-9106.amazon.com (smtp-fw-9106.amazon.com\n [207.171.188.206])\n by mails.dpdk.org (Postfix) with ESMTP id 0129B4026B\n for <dev@dpdk.org>; Mon, 4 Mar 2024 10:01:55 +0100 (CET)", "from pdx4-co-svc-p1-lb2-vlan2.amazon.com (HELO\n smtpout.prod.us-west-2.prod.farcaster.email.amazon.dev) ([10.25.36.210])\n by smtp-border-fw-9106.sea19.amazon.com with\n ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Mar 2024 09:01:55 +0000", "from EX19MTAEUC002.ant.amazon.com [10.0.17.79:10000]\n by smtpin.naws.eu-west-1.prod.farcaster.email.amazon.dev [10.0.23.38:2525]\n with esmtp (Farcaster)\n id de8994bc-70bb-4ed2-8dba-554db0d5ebde; Mon, 4 Mar 2024 09:01:53 +0000 (UTC)", "from EX19D007EUA002.ant.amazon.com (10.252.50.68) by\n EX19MTAEUC002.ant.amazon.com (10.252.51.181) with Microsoft SMTP Server\n (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id\n 15.2.1258.28; Mon, 4 Mar 2024 09:01:52 +0000", "from EX19MTAUEC001.ant.amazon.com (10.252.135.222) by\n EX19D007EUA002.ant.amazon.com (10.252.50.68) with Microsoft SMTP Server\n (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id\n 15.2.1258.28; Mon, 4 Mar 2024 09:01:52 +0000", "from HFA15-CG15235BS.amazon.com (10.1.212.49) by\n mail-relay.amazon.com (10.252.135.200) with Microsoft SMTP Server id\n 15.2.1258.28 via Frontend Transport; Mon, 4 Mar 2024 09:01:51 +0000" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed;\n d=amazon.com; i=@amazon.com; q=dns/txt; s=amazon201209;\n t=1709542917; x=1741078917;\n h=from:to:cc:subject:date:message-id:in-reply-to:\n references:mime-version;\n bh=FZmDg4xVRi3SD31Eo2wDny8J6S9toq3YNz8af5Yom5s=;\n b=RwJkQ7W4YcMcjo6etlX4GsLv/v6Np1zItX2QtT8j8MlofhI3OxFwWX3V\n /MOp8o0pd5GIGEiGGd4e9xnKL1RbAZEldANsy5ouoC9lqATc6eropSJGB\n KDF648Cg49pWsMzhFfSqTAwzuILemWYs7dYYl7Z8pcQnDp+2N3CljECVy 0=;", "X-IronPort-AV": "E=Sophos;i=\"6.06,203,1705363200\"; d=\"scan'208\";a=\"708431238\"", "X-Farcaster-Flow-ID": "de8994bc-70bb-4ed2-8dba-554db0d5ebde", "From": "<shaibran@amazon.com>", "To": "<ferruh.yigit@amd.com>", "CC": "<dev@dpdk.org>, Shai Brandes <shaibran@amazon.com>", "Subject": "[PATCH 08/33] net/ena/hal: exponential backoff exp limit", "Date": "Mon, 4 Mar 2024 11:01:11 +0200", "Message-ID": "<20240304090136.861-9-shaibran@amazon.com>", "X-Mailer": "git-send-email 2.17.1", "In-Reply-To": "<20240304090136.861-1-shaibran@amazon.com>", "References": "<20240304090136.861-1-shaibran@amazon.com>", "MIME-Version": "1.0", "Content-Type": "text/plain", "X-BeenThere": "dev@dpdk.org", "X-Mailman-Version": "2.1.29", "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" }, "content": "From: Shai Brandes <shaibran@amazon.com>\n\nlimits the exponent in the exponential backoff\nmechanism in order to avoid the value overflowing.\n\nSigned-off-by: Shai Brandes <shaibran@amazon.com>\nReviewed-by: Amit Bernstein <amitbern@amazon.com>\n---\n drivers/net/ena/hal/ena_com.c | 5 ++++-\n 1 file changed, 4 insertions(+), 1 deletion(-)", "diff": "diff --git a/drivers/net/ena/hal/ena_com.c b/drivers/net/ena/hal/ena_com.c\nindex 6953a1fa33..31c37b0ab3 100644\n--- a/drivers/net/ena/hal/ena_com.c\n+++ b/drivers/net/ena/hal/ena_com.c\n@@ -34,6 +34,8 @@\n \n #define ENA_REGS_ADMIN_INTR_MASK 1\n \n+#define ENA_MAX_BACKOFF_DELAY_EXP 16U\n+\n #define ENA_MIN_ADMIN_POLL_US 100\n \n #define ENA_MAX_ADMIN_POLL_US 5000\n@@ -545,8 +547,9 @@ static int ena_com_comp_status_to_errno(struct ena_com_admin_queue *admin_queue,\n \n static void ena_delay_exponential_backoff_us(u32 exp, u32 delay_us)\n {\n+\texp = ENA_MIN32(ENA_MAX_BACKOFF_DELAY_EXP, exp);\n \tdelay_us = ENA_MAX32(ENA_MIN_ADMIN_POLL_US, delay_us);\n-\tdelay_us = ENA_MIN32(delay_us * (1U << exp), ENA_MAX_ADMIN_POLL_US);\n+\tdelay_us = ENA_MIN32(ENA_MAX_ADMIN_POLL_US, delay_us * (1U << exp));\n \tENA_USLEEP(delay_us);\n }\n \n", "prefixes": [ "08/33" ] }