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GET /api/patches/27684/?format=api
https://patches.dpdk.org/api/patches/27684/?format=api", "web_url": "https://patches.dpdk.org/project/dpdk/patch/1503320296-51122-2-git-send-email-harry.van.haaren@intel.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": "<1503320296-51122-2-git-send-email-harry.van.haaren@intel.com>", "list_archive_url": "https://inbox.dpdk.org/dev/1503320296-51122-2-git-send-email-harry.van.haaren@intel.com", "date": "2017-08-21T12:58:02", "name": "[dpdk-dev,v2,01/15] service: rework probe and get name to use ids", "commit_ref": null, "pull_url": null, "state": "accepted", "archived": true, "hash": "04cd28926bb230759a5bf7a24ace6effe3bab510", "submitter": { "id": 317, "url": "https://patches.dpdk.org/api/people/317/?format=api", "name": "Van Haaren, Harry", "email": "harry.van.haaren@intel.com" }, "delegate": { "id": 1, "url": "https://patches.dpdk.org/api/users/1/?format=api", "username": "tmonjalo", "first_name": "Thomas", "last_name": "Monjalon", "email": "thomas@monjalon.net" }, "mbox": "https://patches.dpdk.org/project/dpdk/patch/1503320296-51122-2-git-send-email-harry.van.haaren@intel.com/mbox/", "series": [], "comments": "https://patches.dpdk.org/api/patches/27684/comments/", "check": "warning", "checks": "https://patches.dpdk.org/api/patches/27684/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 [IPv6:::1])\n\tby dpdk.org (Postfix) with ESMTP id 2DA297D17;\n\tMon, 21 Aug 2017 14:58:30 +0200 (CEST)", "from mga05.intel.com (mga05.intel.com [192.55.52.43])\n\tby dpdk.org (Postfix) with ESMTP id 6AF067CFC\n\tfor <dev@dpdk.org>; Mon, 21 Aug 2017 14:58:27 +0200 (CEST)", "from fmsmga002.fm.intel.com ([10.253.24.26])\n\tby fmsmga105.fm.intel.com with ESMTP; 21 Aug 2017 05:58:26 -0700", "from silpixa00398672.ir.intel.com ([10.237.223.128])\n\tby fmsmga002.fm.intel.com with ESMTP; 21 Aug 2017 05:58:25 -0700" ], "X-ExtLoop1": "1", "X-IronPort-AV": "E=Sophos; i=\"5.41,409,1498546800\"; d=\"scan'208\";\n\ta=\"1208383259\"", "From": "Harry van Haaren <harry.van.haaren@intel.com>", "To": "dev@dpdk.org", "Cc": "Harry van Haaren <harry.van.haaren@intel.com>", "Date": "Mon, 21 Aug 2017 13:58:02 +0100", "Message-Id": "<1503320296-51122-2-git-send-email-harry.van.haaren@intel.com>", "X-Mailer": "git-send-email 2.7.4", "In-Reply-To": "<1503320296-51122-1-git-send-email-harry.van.haaren@intel.com>", "References": "<1502800360-15782-1-git-send-email-harry.van.haaren@intel.com>\n\t<1503320296-51122-1-git-send-email-harry.van.haaren@intel.com>", "Subject": "[dpdk-dev] [PATCH v2 01/15] service: rework probe and get name to\n\tuse ids", "X-BeenThere": "dev@dpdk.org", "X-Mailman-Version": "2.1.15", "Precedence": "list", "List-Id": "DPDK patches and discussions <dev.dpdk.org>", "List-Unsubscribe": "<http://dpdk.org/ml/options/dev>,\n\t<mailto:dev-request@dpdk.org?subject=unsubscribe>", "List-Archive": "<http://dpdk.org/ml/archives/dev/>", "List-Post": "<mailto:dev@dpdk.org>", "List-Help": "<mailto:dev-request@dpdk.org?subject=help>", "List-Subscribe": "<http://dpdk.org/ml/listinfo/dev>,\n\t<mailto:dev-request@dpdk.org?subject=subscribe>", "Errors-To": "dev-bounces@dpdk.org", "Sender": "\"dev\" <dev-bounces@dpdk.org>" }, "content": "This commit adds a macro to easily validate a service ID, and then\nlookup the service pointer, or return a user-specified error code.\nThis marco will be heavily used in the following patches as it will\nbe ID based instead of pointer-based.\n\nThe probe_capability function is reworked to use an integer ID instead\nof a pointer. Rework the service_get_name() function is updated to use\nIDs. Unit tests are updated to keep things compiling after each commit.\n\nSigned-off-by: Harry van Haaren <harry.van.haaren@intel.com>\n---\n lib/librte_eal/common/include/rte_service.h | 5 ++---\n lib/librte_eal/common/rte_service.c | 20 +++++++++++++++-----\n test/test/test_service_cores.c | 7 +++----\n 3 files changed, 20 insertions(+), 12 deletions(-)", "diff": "diff --git a/lib/librte_eal/common/include/rte_service.h b/lib/librte_eal/common/include/rte_service.h\nindex 7c6f738..bed1a61 100644\n--- a/lib/librte_eal/common/include/rte_service.h\n+++ b/lib/librte_eal/common/include/rte_service.h\n@@ -133,7 +133,7 @@ struct rte_service_spec *rte_service_get_by_name(const char *name);\n * @return A pointer to the name of the service. The returned pointer remains\n * in ownership of the service, and the application must not free it.\n */\n-const char *rte_service_get_name(const struct rte_service_spec *service);\n+const char *rte_service_get_name(uint32_t id);\n \n /**\n * @warning\n@@ -146,8 +146,7 @@ const char *rte_service_get_name(const struct rte_service_spec *service);\n * @retval 1 Capability supported by this service instance\n * @retval 0 Capability not supported by this service instance\n */\n-int32_t rte_service_probe_capability(const struct rte_service_spec *service,\n-\t\t\t\t uint32_t capability);\n+int32_t rte_service_probe_capability(uint32_t id, uint32_t capability);\n \n /**\n * @warning\ndiff --git a/lib/librte_eal/common/rte_service.c b/lib/librte_eal/common/rte_service.c\nindex 7efb76d..c969406 100644\n--- a/lib/librte_eal/common/rte_service.c\n+++ b/lib/librte_eal/common/rte_service.c\n@@ -144,6 +144,13 @@ service_valid(uint32_t id)\n \treturn !!(rte_services[id].internal_flags & SERVICE_F_REGISTERED);\n }\n \n+/* validate ID and retrieve service pointer, or return error value */\n+#define SERVICE_VALID_GET_OR_ERR_RET(id, service, retval) do { \\\n+\tif (id >= RTE_SERVICE_NUM_MAX || !service_valid(id)) \\\n+\t\treturn retval; \\\n+\tservice = &rte_services[id]; \\\n+} while (0)\n+\n /* returns 1 if statistics should be colleced for service\n * Returns 0 if statistics should not be collected for service\n */\n@@ -207,16 +214,19 @@ struct rte_service_spec *rte_service_get_by_name(const char *name)\n }\n \n const char *\n-rte_service_get_name(const struct rte_service_spec *service)\n+rte_service_get_name(uint32_t id)\n {\n-\treturn service->name;\n+\tstruct rte_service_spec_impl *s;\n+\tSERVICE_VALID_GET_OR_ERR_RET(id, s, 0);\n+\treturn s->spec.name;\n }\n \n int32_t\n-rte_service_probe_capability(const struct rte_service_spec *service,\n-\t\t\t uint32_t capability)\n+rte_service_probe_capability(uint32_t id, uint32_t capability)\n {\n-\treturn service->capabilities & capability;\n+\tstruct rte_service_spec_impl *s;\n+\tSERVICE_VALID_GET_OR_ERR_RET(id, s, -EINVAL);\n+\treturn s->spec.capabilities & capability;\n }\n \n int32_t\ndiff --git a/test/test/test_service_cores.c b/test/test/test_service_cores.c\nindex 88fac8f..940bc62 100644\n--- a/test/test/test_service_cores.c\n+++ b/test/test/test_service_cores.c\n@@ -225,8 +225,8 @@ service_probe_capability(void)\n \t\t\t\"Register of MT SAFE service failed\");\n \n \t/* verify flag is enabled */\n-\tstruct rte_service_spec *s = rte_service_get_by_id(0);\n-\tint32_t mt = rte_service_probe_capability(s, RTE_SERVICE_CAP_MT_SAFE);\n+\tconst uint32_t sid = 0;\n+\tint32_t mt = rte_service_probe_capability(sid, RTE_SERVICE_CAP_MT_SAFE);\n \tTEST_ASSERT_EQUAL(1, mt, \"MT SAFE capability flag not set.\");\n \n \n@@ -239,8 +239,7 @@ service_probe_capability(void)\n \t\t\t\"Register of non-MT safe service failed\");\n \n \t/* verify flag is enabled */\n-\ts = rte_service_get_by_id(0);\n-\tmt = rte_service_probe_capability(s, RTE_SERVICE_CAP_MT_SAFE);\n+\tmt = rte_service_probe_capability(sid, RTE_SERVICE_CAP_MT_SAFE);\n \tTEST_ASSERT_EQUAL(0, mt, \"MT SAFE cap flag set on non MT SAFE service\");\n \n \treturn unregister_all();\n", "prefixes": [ "dpdk-dev", "v2", "01/15" ] }{ "id": 27684, "url": "