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GET /api/patches/139727/?format=api
{ "id": 139727, "url": "http://patchwork.dpdk.org/api/patches/139727/?format=api", "web_url": "http://patchwork.dpdk.org/project/dpdk/patch/20240430095523.108688-2-mattias.ronnblom@ericsson.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": "<20240430095523.108688-2-mattias.ronnblom@ericsson.com>", "list_archive_url": "https://inbox.dpdk.org/dev/20240430095523.108688-2-mattias.ronnblom@ericsson.com", "date": "2024-04-30T09:55:18", "name": "[RFC,v4,1/6] eal: extend bit manipulation functionality", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "cd666eb36d89b703bff3d867bd2e6b5017200ee0", "submitter": { "id": 1077, "url": "http://patchwork.dpdk.org/api/people/1077/?format=api", "name": "Mattias Rönnblom", "email": "mattias.ronnblom@ericsson.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/20240430095523.108688-2-mattias.ronnblom@ericsson.com/mbox/", "series": [ { "id": 31842, "url": "http://patchwork.dpdk.org/api/series/31842/?format=api", "web_url": "http://patchwork.dpdk.org/project/dpdk/list/?series=31842", "date": "2024-04-30T09:55:17", "name": "Improve EAL bit operations API", "version": 4, "mbox": "http://patchwork.dpdk.org/series/31842/mbox/" } ], "comments": "http://patchwork.dpdk.org/api/patches/139727/comments/", "check": "pending", "checks": "http://patchwork.dpdk.org/api/patches/139727/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 A4D4543F3A;\n\tTue, 30 Apr 2024 12:06:02 +0200 (CEST)", "from mails.dpdk.org (localhost [127.0.0.1])\n\tby mails.dpdk.org (Postfix) with ESMTP id 23BCB402C0;\n\tTue, 30 Apr 2024 12:05:57 +0200 (CEST)", "from EUR05-DB8-obe.outbound.protection.outlook.com\n (mail-db8eur05on2045.outbound.protection.outlook.com [40.107.20.45])\n by mails.dpdk.org (Postfix) with ESMTP id 92F6240262\n for <dev@dpdk.org>; Tue, 30 Apr 2024 12:05:54 +0200 (CEST)", "from DUZPR01CA0073.eurprd01.prod.exchangelabs.com\n (2603:10a6:10:3c2::11) by DBAPR07MB6981.eurprd07.prod.outlook.com\n (2603:10a6:10:17e::7) with Microsoft SMTP Server (version=TLS1_2,\n cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7519.36; Tue, 30 Apr\n 2024 10:05:53 +0000", "from DB1PEPF000509F8.eurprd02.prod.outlook.com\n (2603:10a6:10:3c2:cafe::1e) by DUZPR01CA0073.outlook.office365.com\n (2603:10a6:10:3c2::11) with Microsoft SMTP Server (version=TLS1_2,\n cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7519.31 via Frontend\n Transport; Tue, 30 Apr 2024 10:05:53 +0000", "from oa.msg.ericsson.com (192.176.1.74) by\n DB1PEPF000509F8.mail.protection.outlook.com (10.167.242.154) with Microsoft\n SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id\n 15.20.7544.18 via Frontend Transport; Tue, 30 Apr 2024 10:05:52 +0000", "from seliicinfr00050.seli.gic.ericsson.se (153.88.142.248) by\n smtp-central.internal.ericsson.com (100.87.178.63) with Microsoft SMTP Server\n id 15.2.1544.9; Tue, 30 Apr 2024 12:05:52 +0200", "from breslau.. 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helo=oa.msg.ericsson.com; pr=C", "From": "=?utf-8?q?Mattias_R=C3=B6nnblom?= <mattias.ronnblom@ericsson.com>", "To": "<dev@dpdk.org>", "CC": "<hofors@lysator.liu.se>, Heng Wang <heng.wang@ericsson.com>,\n \"Stephen Hemminger\" <stephen@networkplumber.org>,\n Tyler Retzlaff <roretzla@linux.microsoft.com>,\n =?utf-8?q?Morten_Br=C3=B8rup?= <mb@smartsharesystems.com>, =?utf-8?q?Mattia?=\n\t=?utf-8?q?s_R=C3=B6nnblom?= <mattias.ronnblom@ericsson.com>", "Subject": "[RFC v4 1/6] eal: extend bit manipulation functionality", "Date": "Tue, 30 Apr 2024 11:55:18 +0200", "Message-ID": "<20240430095523.108688-2-mattias.ronnblom@ericsson.com>", "X-Mailer": "git-send-email 2.34.1", "In-Reply-To": "<20240430095523.108688-1-mattias.ronnblom@ericsson.com>", "References": "<20240429095138.106849-2-mattias.ronnblom@ericsson.com>\n <20240430095523.108688-1-mattias.ronnblom@ericsson.com>", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=\"UTF-8\"", "Content-Transfer-Encoding": "8bit", "X-EOPAttributedMessage": "0", "X-MS-PublicTrafficType": "Email", "X-MS-TrafficTypeDiagnostic": "DB1PEPF000509F8:EE_|DBAPR07MB6981:EE_", "X-MS-Office365-Filtering-Correlation-Id": "6e435264-047e-47d7-54b2-08dc68fd1e99", "X-MS-Exchange-SenderADCheck": "1", "X-MS-Exchange-AntiSpam-Relay": "0", "X-Microsoft-Antispam": "BCL:0;\n ARA:13230031|1800799015|376005|82310400014|36860700004;", "X-Microsoft-Antispam-Message-Info": "=?utf-8?q?kG7i8YvTrdBVI0iP3iStRuTUyPlQIBD?=\n\t=?utf-8?q?/QZsd3DsZD0VHC1UQeYgAQU/yUUrIo39QmLGgyachfPNgyh624MceKG5SOOmYADmo?=\n\t=?utf-8?q?VMkBkfBbGyx5lYrViLDiCRCKY+IkaLl2je/FyV2q2wG4Xlgn9183Wv0BnpXI1vV3g?=\n\t=?utf-8?q?zSgOrv6nKX/SFNeNh0Ce6iUOgbWBqecMXDGFjH4RfnOJC0XXM58WecpCk80i2yTHS?=\n\t=?utf-8?q?Mq4pwOvRHx8QuRpuDdpTQQpAwUg8/hDe2KT8BVo/W5hc9j/3WVdtqv43hNIH/BDzM?=\n\t=?utf-8?q?hb4LbOPtjed1m/A/yUROS537bOEhN/SOdEvxbQf4KbVuKfrxv1PKB4NkzZy4oPS5l?=\n\t=?utf-8?q?gCWqaPPogolxIViqwWzpD/uzBZIy5KhPQmnO15ory0tE3pX2Wq8tCh2ACv904hgj0?=\n\t=?utf-8?q?kH5x6dDWy6mBtq+uYZZUPN9I1ZRM2SOXcgUAjO9Urtl4OCufEy2yi3VUIwkedyJaU?=\n\t=?utf-8?q?iY7XCz8Z9NQzKx9dC+iRVRJonokFmvCQVJke+78oy2w0ZrxwNTHooMSUBW0OtdP/i?=\n\t=?utf-8?q?k17llb3OV68peEBifi+p1w+guQ4UZXkPE5KT2MJKooC7s5ZMPKSJvz/0961U0x9gi?=\n\t=?utf-8?q?l5qWtVWuuDxbtaK78r1UwW4VASZIdC5E/KOEaLfbLBuKpIe9dTtDfDbwf+8O2av/n?=\n\t=?utf-8?q?Nwxs5y361jUgiuhEkciDgN7ppmZmhe9NIvqnPW16v6sVU6CN8g+jqnd0Gm33H78Vc?=\n\t=?utf-8?q?KZumwc4MYaE2LTNlz8W9L/chC7trX8NR4HOQgGPnfBPJACCy9J9ZAt5vtGwGu1ZBN?=\n\t=?utf-8?q?lkg7ya17vP0JNgkdOlCFlLB6fGxliKCa7wfNUgdb9vGZ/7AKrQl9Xgz/qu7CCB/sS?=\n\t=?utf-8?q?F4fD2k19B18+VSXcioV76x60mIKhED52T+2Yz9MeDW8yi/ksI7Gg927PfbTu8DpgQ?=\n\t=?utf-8?q?FKVtCeimZYMG38Kys+dvRVX2i2MKVn/+0wFrvbcXCQhoTfoF9KFA9880w9Y3xGy1z?=\n\t=?utf-8?q?Dt9gC6fG8rWvRzUqaRbDno24hp0kU9oexl/DZkKhUdev4NZKC7t7tt//LWwKEHCsY?=\n\t=?utf-8?q?2Zb668SCTqNg5RRTokwjBk7mrJcV4qH5ONeJwjbMjIiPOas1PQXeDctzsHWbVg4ts?=\n\t=?utf-8?q?u7sZuM7YfYRm3dkcqcF86/R0pKPOnT30xBstDGnaDcTviW/zikjxsqwK2kCDBvnUt?=\n\t=?utf-8?q?CQUvA66Lrg2SoUeSNTB2DlHUHENGtbo6WpbwYVQ2AHfYuwg/0qdBjpg82psYBAkkY?=\n\t=?utf-8?q?MUnOeqIrX+Q4Jp2Ei69VBrptLIiDnI68gejw+NR/c0z/yqQVENd787ummUN/xi+j+?=\n\t=?utf-8?q?YDEptPqe29fH2v0Opg6jL7ibT3BmZ4oYv+W95WMaHwexBA5q7W/D6QQ7rVCffqdlE?=\n\t=?utf-8?q?nU9XV6cg+EjS?=", "X-Forefront-Antispam-Report": "CIP:192.176.1.74; CTRY:SE; LANG:en; SCL:1; SRV:;\n IPV:NLI; SFV:NSPM; H:oa.msg.ericsson.com; PTR:office365.se.ericsson.net;\n CAT:NONE; SFS:(13230031)(1800799015)(376005)(82310400014)(36860700004);\n DIR:OUT; SFP:1101;", "X-OriginatorOrg": "ericsson.com", "X-MS-Exchange-CrossTenant-OriginalArrivalTime": "30 Apr 2024 10:05:52.8366 (UTC)", "X-MS-Exchange-CrossTenant-Network-Message-Id": "\n 6e435264-047e-47d7-54b2-08dc68fd1e99", "X-MS-Exchange-CrossTenant-Id": "92e84ceb-fbfd-47ab-be52-080c6b87953f", "X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp": "\n TenantId=92e84ceb-fbfd-47ab-be52-080c6b87953f; Ip=[192.176.1.74];\n Helo=[oa.msg.ericsson.com]", "X-MS-Exchange-CrossTenant-AuthSource": "\n DB1PEPF000509F8.eurprd02.prod.outlook.com", "X-MS-Exchange-CrossTenant-AuthAs": "Anonymous", "X-MS-Exchange-CrossTenant-FromEntityHeader": "HybridOnPrem", "X-MS-Exchange-Transport-CrossTenantHeadersStamped": "DBAPR07MB6981", "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": "Add functionality to test, set, clear, and assign the value to\nindividual bits in 32-bit or 64-bit words.\n\nThese functions have no implications on memory ordering, atomicity and\ndoes not use volatile and thus does not prevent any compiler\noptimizations.\n\nRFC v4:\n * Add rte_bit_flip() which, believe it or not, flips the value of a bit.\n * Mark macro-generated private functions as experimental.\n * Use macros to generate *assign*() functions.\n\nRFC v3:\n * Work around lack of C++ support for _Generic (Tyler Retzlaff).\n * Fix ','-related checkpatch warnings.\n\nSigned-off-by: Mattias Rönnblom <mattias.ronnblom@ericsson.com>\nAcked-by: Morten Brørup <mb@smartsharesystems.com>\nAcked-by: Tyler Retzlaff <roretzla@linux.microsoft.com>\n---\n lib/eal/include/rte_bitops.h | 257 ++++++++++++++++++++++++++++++++++-\n 1 file changed, 255 insertions(+), 2 deletions(-)", "diff": "diff --git a/lib/eal/include/rte_bitops.h b/lib/eal/include/rte_bitops.h\nindex 449565eeae..9d426f1602 100644\n--- a/lib/eal/include/rte_bitops.h\n+++ b/lib/eal/include/rte_bitops.h\n@@ -2,6 +2,7 @@\n * Copyright(c) 2020 Arm Limited\n * Copyright(c) 2010-2019 Intel Corporation\n * Copyright(c) 2023 Microsoft Corporation\n+ * Copyright(c) 2024 Ericsson AB\n */\n \n #ifndef _RTE_BITOPS_H_\n@@ -11,12 +12,14 @@\n * @file\n * Bit Operations\n *\n- * This file defines a family of APIs for bit operations\n- * without enforcing memory ordering.\n+ * This file provides functionality for low-level, single-word\n+ * arithmetic and bit-level operations, such as counting or\n+ * setting individual bits.\n */\n \n #include <stdint.h>\n \n+#include <rte_compat.h>\n #include <rte_debug.h>\n \n #ifdef __cplusplus\n@@ -105,6 +108,194 @@ extern \"C\" {\n #define RTE_FIELD_GET64(mask, reg) \\\n \t\t((typeof(mask))(((reg) & (mask)) >> rte_ctz64(mask)))\n \n+/**\n+ * @warning\n+ * @b EXPERIMENTAL: this API may change without prior notice.\n+ *\n+ * Test bit in word.\n+ *\n+ * Generic selection macro to test the value of a bit in a 32-bit or\n+ * 64-bit word. The type of operation depends on the type of the @c\n+ * addr parameter.\n+ *\n+ * This macro does not give any guarantees in regards to memory\n+ * ordering or atomicity.\n+ *\n+ * @param addr\n+ * A pointer to the word to modify.\n+ * @param nr\n+ * The index of the bit.\n+ */\n+#define rte_bit_test(addr, nr)\t\t\t\t\t\\\n+\t_Generic((addr),\t\t\t\t\t\\\n+\t\t uint32_t *: __rte_bit_test32,\t\t\t\\\n+\t\t uint64_t *: __rte_bit_test64)(addr, nr)\n+\n+/**\n+ * @warning\n+ * @b EXPERIMENTAL: this API may change without prior notice.\n+ *\n+ * Set bit in word.\n+ *\n+ * Generic selection macro to set a bit in a 32-bit or 64-bit\n+ * word. The type of operation depends on the type of the @c addr\n+ * parameter.\n+ *\n+ * This macro does not give any guarantees in regards to memory\n+ * ordering or atomicity.\n+ *\n+ * @param addr\n+ * A pointer to the word to modify.\n+ * @param nr\n+ * The index of the bit.\n+ */\n+#define rte_bit_set(addr, nr)\t\t\t\t\\\n+\t_Generic((addr),\t\t\t\t\\\n+\t\t uint32_t *: __rte_bit_set32,\t\t\\\n+\t\t uint64_t *: __rte_bit_set64)(addr, nr)\n+\n+/**\n+ * @warning\n+ * @b EXPERIMENTAL: this API may change without prior notice.\n+ *\n+ * Clear bit in word.\n+ *\n+ * Generic selection macro to clear a bit in a 32-bit or 64-bit\n+ * word. The type of operation depends on the type of the @c addr\n+ * parameter.\n+ *\n+ * This macro does not give any guarantees in regards to memory\n+ * ordering or atomicity.\n+ *\n+ * @param addr\n+ * A pointer to the word to modify.\n+ * @param nr\n+ * The index of the bit.\n+ */\n+#define rte_bit_clear(addr, nr)\t\t\t\t\t\\\n+\t_Generic((addr),\t\t\t\t\t\\\n+\t\t uint32_t *: __rte_bit_clear32,\t\t\t\\\n+\t\t uint64_t *: __rte_bit_clear64)(addr, nr)\n+\n+/**\n+ * @warning\n+ * @b EXPERIMENTAL: this API may change without prior notice.\n+ *\n+ * Assign a value to a bit in word.\n+ *\n+ * Generic selection macro to assign a value to a bit in a 32-bit or 64-bit\n+ * word. The type of operation depends on the type of the @c addr parameter.\n+ *\n+ * This macro does not give any guarantees in regards to memory\n+ * ordering or atomicity.\n+ *\n+ * @param addr\n+ * A pointer to the word to modify.\n+ * @param nr\n+ * The index of the bit.\n+ * @param value\n+ * The new value of the bit - true for '1', or false for '0'.\n+ */\n+#define rte_bit_assign(addr, nr, value)\t\t\t\t\t\\\n+\t_Generic((addr),\t\t\t\t\t\t\\\n+\t\t uint32_t *: __rte_bit_assign32,\t\t\t\\\n+\t\t uint64_t *: __rte_bit_assign64)(addr, nr, value)\n+\n+/**\n+ * @warning\n+ * @b EXPERIMENTAL: this API may change without prior notice.\n+ *\n+ * Flip a bit in word.\n+ *\n+ * Generic selection macro to change the value of a bit to '0' if '1'\n+ * or '1' if '0' in a 32-bit or 64-bit word. The type of operation\n+ * depends on the type of the @c addr parameter.\n+ *\n+ * This macro does not give any guarantees in regards to memory\n+ * ordering or atomicity.\n+ *\n+ * @param addr\n+ * A pointer to the word to modify.\n+ * @param nr\n+ * The index of the bit.\n+ */\n+#define rte_bit_flip(addr, nr)\t\t\t\t\t\t\\\n+\t_Generic((addr),\t\t\t\t\t\t\\\n+\t\t uint32_t *: __rte_bit_flip32,\t\t\t\t\\\n+\t\t uint64_t *: __rte_bit_flip64)(addr, nr)\n+\n+#define __RTE_GEN_BIT_TEST(family, fun, qualifier, size)\t\t\\\n+\t__rte_experimental\t\t\t\t\t\t\\\n+\tstatic inline bool\t\t\t\t\t\t\\\n+\t__rte_bit_ ## family ## fun ## size(const qualifier uint ## size ## _t *addr, \\\n+\t\t\t\t\t unsigned int nr)\t\t\\\n+\t{\t\t\t\t\t\t\t\t\\\n+\t\tRTE_ASSERT(nr < size);\t\t\t\t\t\\\n+\t\t\t\t\t\t\t\t\t\\\n+\t\tuint ## size ## _t mask = (uint ## size ## _t)1 << nr;\t\\\n+\t\treturn *addr & mask;\t\t\t\t\t\\\n+\t}\n+\n+#define __RTE_GEN_BIT_SET(family, fun, qualifier, size)\t\t\t\\\n+\t__rte_experimental\t\t\t\t\t\t\\\n+\tstatic inline void\t\t\t\t\t\t\\\n+\t__rte_bit_ ## family ## fun ## size(qualifier uint ## size ## _t *addr, \\\n+\t\t\t\t\t unsigned int nr)\t\t\\\n+\t{\t\t\t\t\t\t\t\t\\\n+\t\tRTE_ASSERT(nr < size);\t\t\t\t\t\\\n+\t\t\t\t\t\t\t\t\t\\\n+\t\tuint ## size ## _t mask = (uint ## size ## _t)1 << nr;\t\\\n+\t\t*addr |= mask;\t\t\t\t\t\t\\\n+\t}\t\t\t\t\t\t\t\t\\\n+\n+#define __RTE_GEN_BIT_CLEAR(family, fun, qualifier, size)\t\t\\\n+\t__rte_experimental\t\t\t\t\t\t\\\n+\tstatic inline void\t\t\t\t\t\t\\\n+\t__rte_bit_ ## family ## fun ## size(qualifier uint ## size ## _t *addr, \\\n+\t\t\t\t\t unsigned int nr)\t\t\\\n+\t{\t\t\t\t\t\t\t\t\\\n+\t\tRTE_ASSERT(nr < size);\t\t\t\t\t\\\n+\t\t\t\t\t\t\t\t\t\\\n+\t\tuint ## size ## _t mask = ~((uint ## size ## _t)1 << nr); \\\n+\t\t(*addr) &= mask;\t\t\t\t\t\\\n+\t}\t\t\t\t\t\t\t\t\\\n+\n+#define __RTE_GEN_BIT_ASSIGN(family, fun, qualifier, size)\t\t\\\n+\t__rte_experimental\t\t\t\t\t\t\\\n+\tstatic inline void\t\t\t\t\t\t\\\n+\t__rte_bit_ ## family ## fun ## size(qualifier uint ## size ## _t *addr, \\\n+\t\t\t\t\t unsigned int nr, bool value) \\\n+\t{\t\t\t\t\t\t\t\t\\\n+\t\tif (value)\t\t\t\t\t\t\\\n+\t\t\t__rte_bit_ ## family ## set ## size(addr, nr);\t\\\n+\t\telse\t\t\t\t\t\t\t\\\n+\t\t\t__rte_bit_ ## family ## clear ## size(addr, nr); \\\n+\t}\n+\n+#define __RTE_GEN_BIT_FLIP(family, fun, qualifier, size)\t\t\\\n+\t__rte_experimental\t\t\t\t\t\t\\\n+\tstatic inline void\t\t\t\t\t\t\\\n+\t__rte_bit_ ## family ## fun ## size(qualifier uint ## size ## _t *addr, \\\n+\t\t\t\t\t unsigned int nr)\t\t\\\n+\t{\t\t\t\t\t\t\t\t\\\n+\t\tbool value;\t\t\t\t\t\t\\\n+\t\t\t\t\t\t\t\t\t\\\n+\t\tvalue = __rte_bit_ ## family ## test ## size(addr, nr);\t\\\n+\t\t__rte_bit_ ## family ## assign ## size(addr, nr, !value); \\\n+\t}\n+\n+__RTE_GEN_BIT_TEST(, test,, 32)\n+__RTE_GEN_BIT_SET(, set,, 32)\n+__RTE_GEN_BIT_CLEAR(, clear,, 32)\n+__RTE_GEN_BIT_ASSIGN(, assign,, 32)\n+__RTE_GEN_BIT_FLIP(, flip,, 32)\n+\n+__RTE_GEN_BIT_TEST(, test,, 64)\n+__RTE_GEN_BIT_SET(, set,, 64)\n+__RTE_GEN_BIT_CLEAR(, clear,, 64)\n+__RTE_GEN_BIT_ASSIGN(, assign,, 64)\n+__RTE_GEN_BIT_FLIP(, flip,, 64)\n+\n /*------------------------ 32-bit relaxed operations ------------------------*/\n \n /**\n@@ -787,6 +978,68 @@ rte_log2_u64(uint64_t v)\n \n #ifdef __cplusplus\n }\n+\n+/*\n+ * Since C++ doesn't support generic selection (i.e., _Generic),\n+ * function overloading is used instead. Such functions must be\n+ * defined outside 'extern \"C\"' to be accepted by the compiler.\n+ */\n+\n+#undef rte_bit_test\n+#undef rte_bit_set\n+#undef rte_bit_clear\n+#undef rte_bit_assign\n+#undef rte_bit_flip\n+\n+#define __RTE_BIT_OVERLOAD_SZ_2(fun, qualifier, size, arg1_type, arg1_name) \\\n+\tstatic inline void\t\t\t\t\t\t\\\n+\trte_bit_ ## fun(qualifier uint ## size ## _t *addr,\t\t\\\n+\t\t\targ1_type arg1_name)\t\t\t\t\\\n+\t{\t\t\t\t\t\t\t\t\\\n+\t\t__rte_bit_ ## fun ## size(addr, arg1_name);\t\t\\\n+\t}\n+\n+#define __RTE_BIT_OVERLOAD_2(fun, qualifier, arg1_type, arg1_name)\t\\\n+\t__RTE_BIT_OVERLOAD_SZ_2(fun, qualifier, 32, arg1_type, arg1_name) \\\n+\t__RTE_BIT_OVERLOAD_SZ_2(fun, qualifier, 64, arg1_type, arg1_name)\n+\n+#define __RTE_BIT_OVERLOAD_SZ_2R(fun, qualifier, size, ret_type, arg1_type, \\\n+\t\t\t\t arg1_name)\t\t\t\t\\\n+\tstatic inline ret_type\t\t\t\t\t\t\\\n+\trte_bit_ ## fun(qualifier uint ## size ## _t *addr,\t\t\\\n+\t\t\targ1_type arg1_name)\t\t\t\t\\\n+\t{\t\t\t\t\t\t\t\t\\\n+\t\treturn __rte_bit_ ## fun ## size(addr, arg1_name);\t\\\n+\t}\n+\n+#define __RTE_BIT_OVERLOAD_2R(fun, qualifier, ret_type, arg1_type, arg1_name) \\\n+\t__RTE_BIT_OVERLOAD_SZ_2R(fun, qualifier, 32, ret_type, arg1_type, \\\n+\t\t\t\t arg1_name)\t\t\t\t\\\n+\t__RTE_BIT_OVERLOAD_SZ_2R(fun, qualifier, 64, ret_type, arg1_type, \\\n+\t\t\t\t arg1_name)\n+\n+#define __RTE_BIT_OVERLOAD_SZ_3(fun, qualifier, size, arg1_type, arg1_name, \\\n+\t\t\t\targ2_type, arg2_name)\t\t\t\\\n+\tstatic inline void\t\t\t\t\t\t\\\n+\trte_bit_ ## fun(uint ## size ## _t *addr, arg1_type arg1_name,\t\\\n+\t\t\targ2_type arg2_name)\t\t\t\t\\\n+\t{\t\t\t\t\t\t\t\t\\\n+\t\t__rte_bit_ ## fun ## size(addr, arg1_name, arg2_name);\t\\\n+\t}\n+\n+#define __RTE_BIT_OVERLOAD_3(fun, qualifier, arg1_type, arg1_name, arg2_type, \\\n+\t\t\t arg2_name)\t\t\t\t\t\\\n+\t__RTE_BIT_OVERLOAD_SZ_3(fun, qualifier, 32, arg1_type, arg1_name, \\\n+\t\t\t\targ2_type, arg2_name)\t\t\t\\\n+\t__RTE_BIT_OVERLOAD_SZ_3(fun, qualifier, 64, arg1_type, arg1_name, \\\n+\t\t\t\targ2_type, arg2_name)\n+\n+__RTE_BIT_OVERLOAD_2R(test, const, bool, unsigned int, nr)\n+__RTE_BIT_OVERLOAD_2(set,, unsigned int, nr)\n+__RTE_BIT_OVERLOAD_2(clear,, unsigned int, nr)\n+__RTE_BIT_OVERLOAD_3(assign,, unsigned int, nr, bool, value)\n+__RTE_BIT_OVERLOAD_2(flip,, unsigned int, nr)\n+\n #endif\n \n #endif /* _RTE_BITOPS_H_ */\n", "prefixes": [ "RFC", "v4", "1/6" ] }