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GET /api/patches/138023/?format=api
{ "id": 138023, "url": "https://patches.dpdk.org/api/patches/138023/?format=api", "web_url": "https://patches.dpdk.org/project/dpdk/patch/20240306122445.4350-9-shaibran@amazon.com/", "project": { "id": 1, "url": "https://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": "<20240306122445.4350-9-shaibran@amazon.com>", "list_archive_url": "https://inbox.dpdk.org/dev/20240306122445.4350-9-shaibran@amazon.com", "date": "2024-03-06T12:24:20", "name": "[v3,08/33] net/ena/hal: exponential backoff exp limit", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": true, "hash": "17a4ab457bdcbfcb48f5020388ec9ae2f9091092", "submitter": { "id": 2930, "url": "https://patches.dpdk.org/api/people/2930/?format=api", "name": "Brandes, Shai", "email": "shaibran@amazon.com" }, "delegate": { "id": 319, "url": "https://patches.dpdk.org/api/users/319/?format=api", "username": "fyigit", "first_name": "Ferruh", "last_name": "Yigit", "email": "ferruh.yigit@amd.com" }, "mbox": "https://patches.dpdk.org/project/dpdk/patch/20240306122445.4350-9-shaibran@amazon.com/mbox/", "series": [ { "id": 31397, "url": "https://patches.dpdk.org/api/series/31397/?format=api", "web_url": "https://patches.dpdk.org/project/dpdk/list/?series=31397", "date": "2024-03-06T12:24:13", "name": "net/ena: v2.9.0 driver release", "version": 3, "mbox": "https://patches.dpdk.org/series/31397/mbox/" } ], "comments": "https://patches.dpdk.org/api/patches/138023/comments/", "check": "success", "checks": "https://patches.dpdk.org/api/patches/138023/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 0FA7A43C5B;\n\tWed, 6 Mar 2024 13:26:14 +0100 (CET)", "from mails.dpdk.org (localhost [127.0.0.1])\n\tby mails.dpdk.org (Postfix) with ESMTP id E814642E3D;\n\tWed, 6 Mar 2024 13:25:16 +0100 (CET)", "from smtp-fw-9102.amazon.com (smtp-fw-9102.amazon.com\n [207.171.184.29])\n by mails.dpdk.org (Postfix) with ESMTP id C9A1242E33\n for <dev@dpdk.org>; Wed, 6 Mar 2024 13:25:13 +0100 (CET)", "from pdx4-co-svc-p1-lb2-vlan3.amazon.com (HELO\n smtpout.prod.us-east-1.prod.farcaster.email.amazon.dev) ([10.25.36.214])\n by smtp-border-fw-9102.sea19.amazon.com with\n ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Mar 2024 12:25:07 +0000", "from EX19MTAEUB001.ant.amazon.com [10.0.10.100:10373]\n by smtpin.naws.eu-west-1.prod.farcaster.email.amazon.dev [10.0.11.111:2525]\n with esmtp (Farcaster)\n id 94cf99aa-b2ab-4d7d-bd84-257fc4aa1d9e; Wed, 6 Mar 2024 12:25:07 +0000 (UTC)", "from EX19D007EUA004.ant.amazon.com (10.252.50.76) by\n EX19MTAEUB001.ant.amazon.com (10.252.51.26) with Microsoft SMTP Server\n (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id\n 15.2.1258.28; Wed, 6 Mar 2024 12:25:06 +0000", "from EX19MTAUWA001.ant.amazon.com (10.250.64.204) by\n EX19D007EUA004.ant.amazon.com (10.252.50.76) with Microsoft SMTP Server\n (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id\n 15.2.1258.28; Wed, 6 Mar 2024 12:25:06 +0000", "from HFA15-CG15235BS.amazon.com (10.1.213.21) by\n mail-relay.amazon.com (10.250.64.204) with Microsoft SMTP Server id\n 15.2.1258.28 via Frontend Transport; Wed, 6 Mar 2024 12:25:04 +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=1709727914; x=1741263914;\n h=from:to:cc:subject:date:message-id:in-reply-to:\n references:mime-version;\n bh=FZmDg4xVRi3SD31Eo2wDny8J6S9toq3YNz8af5Yom5s=;\n b=E044/Rl7tWObIY5AQTyk3vgANJtU4gTCo83soH/bkNQnNB1+fdgglWCR\n il80Nd9unA83wDcIbgQQUvA5PCvZc/83UB43hm0gUCKxDGuk77l3N7GCW\n Z8InGncOBl2eivN0RBpp4D/ju39cNo4eIYRlHChZZDkiIwio0MPzrvSaq o=;", "X-IronPort-AV": "E=Sophos;i=\"6.06,208,1705363200\"; d=\"scan'208\";a=\"401934666\"", "X-Farcaster-Flow-ID": "94cf99aa-b2ab-4d7d-bd84-257fc4aa1d9e", "From": "<shaibran@amazon.com>", "To": "<ferruh.yigit@amd.com>", "CC": "<dev@dpdk.org>, Shai Brandes <shaibran@amazon.com>", "Subject": "[PATCH v3 08/33] net/ena/hal: exponential backoff exp limit", "Date": "Wed, 6 Mar 2024 14:24:20 +0200", "Message-ID": "<20240306122445.4350-9-shaibran@amazon.com>", "X-Mailer": "git-send-email 2.17.1", "In-Reply-To": "<20240306122445.4350-1-shaibran@amazon.com>", "References": "<20240306122445.4350-1-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": [ "v3", "08/33" ] }