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GET /api/patches/2218453/?format=api
{ "id": 2218453, "url": "http://patchwork.ozlabs.org/api/patches/2218453/?format=api", "web_url": "http://patchwork.ozlabs.org/project/openvswitch/patch/20260401091318.2671624-10-elibr@nvidia.com/", "project": { "id": 47, "url": "http://patchwork.ozlabs.org/api/projects/47/?format=api", "name": "Open vSwitch", "link_name": "openvswitch", "list_id": "ovs-dev.openvswitch.org", "list_email": "ovs-dev@openvswitch.org", "web_url": "http://openvswitch.org/", "scm_url": "git@github.com:openvswitch/ovs.git", "webscm_url": "https://github.com/openvswitch/ovs", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260401091318.2671624-10-elibr@nvidia.com>", "list_archive_url": null, "date": "2026-04-01T09:13:16", "name": "[ovs-dev,v3,09/11] unixctl: Introduce unixctl_mem_stream().", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "fdff11895361e33bc136d82a76793f7e5f6356a5", "submitter": { "id": 79848, "url": "http://patchwork.ozlabs.org/api/people/79848/?format=api", "name": "Eli Britstein", "email": "elibr@nvidia.com" }, "delegate": { "id": 75123, "url": "http://patchwork.ozlabs.org/api/users/75123/?format=api", "username": "echaudron", "first_name": "Eelco", "last_name": "Chaudron", "email": "echaudro@redhat.com" }, "mbox": "http://patchwork.ozlabs.org/project/openvswitch/patch/20260401091318.2671624-10-elibr@nvidia.com/mbox/", "series": [ { "id": 498297, "url": "http://patchwork.ozlabs.org/api/series/498297/?format=api", "web_url": "http://patchwork.ozlabs.org/project/openvswitch/list/?series=498297", "date": "2026-04-01T09:13:07", "name": "netdev-doca", "version": 3, "mbox": "http://patchwork.ozlabs.org/series/498297/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2218453/comments/", "check": "warning", "checks": "http://patchwork.ozlabs.org/api/patches/2218453/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<ovs-dev-bounces@openvswitch.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "dev@openvswitch.org" ], "Delivered-To": [ "patchwork-incoming@legolas.ozlabs.org", "ovs-dev@lists.linuxfoundation.org" ], "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=fail reason=\"signature verification failed\" (2048-bit key;\n unprotected) header.d=Nvidia.com header.i=@Nvidia.com header.a=rsa-sha256\n header.s=selector2 header.b=KT5n4KhH;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=openvswitch.org\n (client-ip=2605:bc80:3010::138; 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CTRY:US; LANG:en; SCL:1;\n SRV:;\n IPV:NLI; SFV:NSPM; H:mail.nvidia.com; PTR:dc6edge2.nvidia.com; CAT:NONE;\n SFS:(13230040)(82310400026)(1800799024)(376014)(36860700016)(22082099003)(18002099003)(56012099003);\n DIR:OUT; SFP:1101;", "X-MS-Exchange-AntiSpam-MessageData-ChunkCount": "1", "X-MS-Exchange-AntiSpam-MessageData-0": "\n aaMy8G9fZsNIHEEoxuSo7cei200yqvLQS985GJAsyh8lp1XL+sJEcULrp8ubBb/yAO6Wx+uRS9B1epKts3hoMnaLYejG3WOQJjrm2S/wXBIxInTk2X4HE9Y0/MBgQyQWX9qklhuNrt/6PmxW6G8bkO9GMJtaLweDcLND+EVo2dNpdJy3luI1aVFRS/7XVdIOJR2mgIjknmcYZOMp26D3sW16sbRnQTknge1LxEBNCPwLCAN01wh74NlBRZ1wM+f6sTOGBIqYjU9aBdUBU0WYakMUII7Wxs3+T9945XU/i6y62TAxVyH+s7zGKjnKqYdr8+fovbB59jKvDr42ahoVZVjIj6XzYyBipkQc71HFTAAbTHsRWadyKwq5LJRAV8iQiZvWaalIq358btHaLfbnada8tNK5atZQ9lZgSY2ZxSb5f2P0pHqUGPmViRsnIbcS", "X-OriginatorOrg": "Nvidia.com", "X-MS-Exchange-CrossTenant-OriginalArrivalTime": "01 Apr 2026 09:15:09.4323 (UTC)", "X-MS-Exchange-CrossTenant-Network-Message-Id": "\n 603ad34c-1129-4fd8-2593-08de8fcf2c32", "X-MS-Exchange-CrossTenant-Id": "43083d15-7273-40c1-b7db-39efd9ccc17a", "X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp": "\n TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a; Ip=[216.228.117.161];\n Helo=[mail.nvidia.com]", "X-MS-Exchange-CrossTenant-AuthSource": "\n SA2PEPF000015CB.namprd03.prod.outlook.com", "X-MS-Exchange-CrossTenant-AuthAs": "Anonymous", "X-MS-Exchange-CrossTenant-FromEntityHeader": "HybridOnPrem", "X-MS-Exchange-Transport-CrossTenantHeadersStamped": "SJ2PR12MB9243", "Subject": "[ovs-dev] [PATCH v3 09/11] unixctl: Introduce unixctl_mem_stream().", "X-BeenThere": "ovs-dev@openvswitch.org", "X-Mailman-Version": "2.1.30", "Precedence": "list", "List-Id": "<ovs-dev.openvswitch.org>", "List-Unsubscribe": "<https://mail.openvswitch.org/mailman/options/ovs-dev>,\n <mailto:ovs-dev-request@openvswitch.org?subject=unsubscribe>", "List-Archive": "<http://mail.openvswitch.org/pipermail/ovs-dev/>", "List-Post": "<mailto:ovs-dev@openvswitch.org>", "List-Help": "<mailto:ovs-dev-request@openvswitch.org?subject=help>", "List-Subscribe": "<https://mail.openvswitch.org/mailman/listinfo/ovs-dev>,\n <mailto:ovs-dev-request@openvswitch.org?subject=subscribe>", "Cc": "Eli Britstein <elibr@nvidia.com>, Ilya Maximets <i.maximets@ovn.org>,\n David Marchand <david.marchand@redhat.com>, Maor Dickman <maord@nvidia.com>", "Content-Type": "text/plain; charset=\"us-ascii\"", "Content-Transfer-Encoding": "7bit", "Errors-To": "ovs-dev-bounces@openvswitch.org", "Sender": "\"dev\" <ovs-dev-bounces@openvswitch.org>" }, "content": "A utility function for mem-stream is introduced. It replaces the usage\nin dpdk and later for doca.\n\nSigned-off-by: Eli Britstein <elibr@nvidia.com>\n---\n configure.ac | 2 +-\n lib/dpdk.c | 32 ++++----------------------------\n lib/unixctl.c | 44 +++++++++++++++++++++++++++++++++++++++-----\n lib/unixctl.h | 3 +++\n 4 files changed, 47 insertions(+), 34 deletions(-)", "diff": "diff --git a/configure.ac b/configure.ac\nindex 56eacbbc7..cd063f811 100644\n--- a/configure.ac\n+++ b/configure.ac\n@@ -115,7 +115,7 @@ AC_CHECK_MEMBERS([struct sockaddr_in6.sin6_scope_id], [], [],\n [[#include <sys/socket.h>\n #include <sys/types.h>\n #include <netinet/in.h>]])\n-AC_CHECK_FUNCS([mlockall strnlen getloadavg statvfs getmntent_r sendmmsg clock_gettime])\n+AC_CHECK_FUNCS([mlockall strnlen getloadavg statvfs getmntent_r sendmmsg clock_gettime open_memstream])\n AC_CHECK_HEADERS([mntent.h sys/statvfs.h linux/types.h linux/if_ether.h])\n AC_CHECK_HEADERS([linux/net_namespace.h stdatomic.h bits/floatn-common.h])\n AC_CHECK_HEADERS([net/if_mib.h], [], [], [[#include <sys/types.h>\ndiff --git a/lib/dpdk.c b/lib/dpdk.c\nindex d27b95cd9..edd07e3ac 100644\n--- a/lib/dpdk.c\n+++ b/lib/dpdk.c\n@@ -273,30 +273,6 @@ static cookie_io_functions_t dpdk_log_func = {\n .write = dpdk_log_write,\n };\n \n-static void\n-dpdk_unixctl_mem_stream(struct unixctl_conn *conn, int argc OVS_UNUSED,\n- const char *argv[] OVS_UNUSED, void *aux)\n-{\n- void (*callback)(FILE *) = aux;\n- char *response = NULL;\n- FILE *stream;\n- size_t size;\n-\n- stream = open_memstream(&response, &size);\n- if (!stream) {\n- response = xasprintf(\"Unable to open memstream: %s.\",\n- ovs_strerror(errno));\n- unixctl_command_reply_error(conn, response);\n- goto out;\n- }\n-\n- callback(stream);\n- fclose(stream);\n- unixctl_command_reply(conn, response);\n-out:\n- free(response);\n-}\n-\n static int\n dpdk_parse_log_level(const char *s)\n {\n@@ -491,16 +467,16 @@ dpdk_init__(const struct smap *ovs_other_config)\n }\n \n unixctl_command_register(\"dpdk/lcore-list\", \"\", 0, 0,\n- dpdk_unixctl_mem_stream, rte_lcore_dump);\n+ unixctl_mem_stream, rte_lcore_dump);\n unixctl_command_register(\"dpdk/log-list\", \"\", 0, 0,\n- dpdk_unixctl_mem_stream, rte_log_dump);\n+ unixctl_mem_stream, rte_log_dump);\n unixctl_command_register(\"dpdk/log-set\", \"{level | pattern:level}\", 0,\n INT_MAX, dpdk_unixctl_log_set, NULL);\n unixctl_command_register(\"dpdk/get-malloc-stats\", \"\", 0, 0,\n- dpdk_unixctl_mem_stream,\n+ unixctl_mem_stream,\n malloc_dump_stats_wrapper);\n unixctl_command_register(\"dpdk/get-memzone-stats\", \"\", 0, 0,\n- dpdk_unixctl_mem_stream, rte_memzone_dump);\n+ unixctl_mem_stream, rte_memzone_dump);\n \n /* We are called from the main thread here */\n RTE_PER_LCORE(_lcore_id) = NON_PMD_CORE_ID;\ndiff --git a/lib/unixctl.c b/lib/unixctl.c\nindex 4fd150959..b8499394f 100644\n--- a/lib/unixctl.c\n+++ b/lib/unixctl.c\n@@ -15,22 +15,26 @@\n */\n \n #include <config.h>\n-#include \"unixctl.h\"\n+\n #include <errno.h>\n #include <getopt.h>\n+#include <stdio.h>\n #include <unistd.h>\n+\n #include \"command-line.h\"\n #include \"coverage.h\"\n #include \"dirs.h\"\n+#include \"jsonrpc.h\"\n+#include \"stream.h\"\n+#include \"stream-provider.h\"\n+#include \"svec.h\"\n+#include \"unixctl.h\"\n+\n #include \"openvswitch/dynamic-string.h\"\n #include \"openvswitch/json.h\"\n-#include \"jsonrpc.h\"\n #include \"openvswitch/list.h\"\n #include \"openvswitch/poll-loop.h\"\n #include \"openvswitch/shash.h\"\n-#include \"stream.h\"\n-#include \"stream-provider.h\"\n-#include \"svec.h\"\n #include \"openvswitch/vlog.h\"\n \n VLOG_DEFINE_THIS_MODULE(unixctl);\n@@ -643,3 +647,33 @@ unixctl_client_transact(struct jsonrpc *client, const char *command, int argc,\n jsonrpc_msg_destroy(reply);\n return error;\n }\n+\n+#ifdef HAVE_OPEN_MEMSTREAM\n+\n+void\n+unixctl_mem_stream(struct unixctl_conn *conn, int argc OVS_UNUSED,\n+ const char *argv[] OVS_UNUSED, void *aux)\n+{\n+ void (*callback)(FILE *) = aux;\n+ char *response = NULL;\n+ FILE *stream;\n+ size_t size;\n+\n+ ovs_assert(callback);\n+\n+ stream = open_memstream(&response, &size);\n+ if (!stream) {\n+ response = xasprintf(\"Unable to open memstream: %s.\",\n+ ovs_strerror(errno));\n+ unixctl_command_reply_error(conn, response);\n+ goto out;\n+ }\n+\n+ callback(stream);\n+ fclose(stream);\n+ unixctl_command_reply(conn, response);\n+out:\n+ free(response);\n+}\n+\n+#endif\ndiff --git a/lib/unixctl.h b/lib/unixctl.h\nindex 1965f100d..377ecd0a9 100644\n--- a/lib/unixctl.h\n+++ b/lib/unixctl.h\n@@ -62,6 +62,9 @@ void unixctl_command_reply_error(struct unixctl_conn *, const char *error);\n void unixctl_command_reply(struct unixctl_conn *, const char *body);\n void unixctl_command_reply_json(struct unixctl_conn *,\n struct json *body);\n+#ifdef HAVE_OPEN_MEMSTREAM\n+unixctl_cb_func unixctl_mem_stream;\n+#endif\n \n #ifdef __cplusplus\n }\n", "prefixes": [ "ovs-dev", "v3", "09/11" ] }