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GET /api/1.2/patches/2214911/?format=api
{ "id": 2214911, "url": "http://patchwork.ozlabs.org/api/1.2/patches/2214911/?format=api", "web_url": "http://patchwork.ozlabs.org/project/netfilter-devel/patch/20260323162523.44964-2-ja@ssi.bg/", "project": { "id": 26, "url": "http://patchwork.ozlabs.org/api/1.2/projects/26/?format=api", "name": "Netfilter Development", "link_name": "netfilter-devel", "list_id": "netfilter-devel.vger.kernel.org", "list_email": "netfilter-devel@vger.kernel.org", "web_url": null, "scm_url": null, "webscm_url": null, "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260323162523.44964-2-ja@ssi.bg>", "list_archive_url": null, "date": "2026-03-23T16:25:21", "name": "[nf-next,1/3] ipvs: show the current conn_tab size to users", "commit_ref": null, "pull_url": null, "state": "changes-requested", "archived": true, "hash": "b7c2a8f081f69533672d0b35ebb0c6b148a406bb", "submitter": { "id": 2825, "url": "http://patchwork.ozlabs.org/api/1.2/people/2825/?format=api", "name": "Julian Anastasov", "email": "ja@ssi.bg" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/netfilter-devel/patch/20260323162523.44964-2-ja@ssi.bg/mbox/", "series": [ { "id": 497148, "url": "http://patchwork.ozlabs.org/api/1.2/series/497148/?format=api", "web_url": "http://patchwork.ozlabs.org/project/netfilter-devel/list/?series=497148", "date": "2026-03-23T16:25:21", "name": "IPVS changes, part 4 of 4 - extras", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/497148/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2214911/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2214911/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "\n <netfilter-devel+bounces-11372-incoming=patchwork.ozlabs.org@vger.kernel.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "netfilter-devel@vger.kernel.org" ], "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (4096-bit key;\n unprotected) header.d=ssi.bg header.i=@ssi.bg header.a=rsa-sha256\n header.s=ssi header.b=aptCwODm;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=172.232.135.74; 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d=ssi.bg; h=cc:cc\n\t:content-transfer-encoding:date:from:from:in-reply-to:message-id\n\t:mime-version:references:reply-to:subject:subject:to:to; s=ssi;\n\t bh=YGzvaAygqsreh0fVCganI86iTjrmERDlHPucQzqodVE=; b=aptCwODm9otG\n\tGFdSKMpJK6qKupZPP7N1DwdJ3YzFCwymZhsf3PZsLqSUOSKpxNm0vnUt6ni0AySB\n\tHdTP/3ZAURtZZZmnAkPYtUy0/fX7I3OLRZAb4uBDC3N9wqjZNfRlHZhJktHZUqjF\n\tQSe3+95mfsZMt/8LALV4UVFYLKyyZrkIuNnRQ8+eRfanw7OSk/8LNurudQLkEm6c\n\tUDkXuYg4Z4wcwW03G+CxrWcPwjD2+bH6X3CaB3fXjULaY8ywertZx/wF9imjCC7y\n\tRXiq/JBjtWQhryNOHRCy42jVtlBVkaZf0t1PcJqhbEATfUX8Lf0TgAgjL6lEQszG\n\tWLoMKj7FsRZGX//wPJoXlY9jyV0gSvCSaIKozYNkhiQUyifyVHSzeau+H3WWba+R\n\tmrxW8Hjr838ZYZXeT8SEk2B+TdaEHCz4HIQaoZdWPLVdwGdw8S6h1hIOipn8J+bS\n\tvk6lZTltaAFEN9B8/e3ndQPk7g4iEwQ4uO1Gxl/6299vptTczq+HR3/DZDlfSSTG\n\t4yMKQgVzl8pGZIuWuGDmt+R6ZC1L8ULjD7ak4umMJN3cWmTR8pFikOeqBo/bKd0d\n\tzkOs7EchOxMpArOAYd1nKcN0r+ULsVO9A+WuwcoaDI6yRf7DeEz4TqpbYj3yMRLa\n\t7pNSFxuMSzBVjU3mn3N7CVodaaqWBmE=", "From": "Julian Anastasov <ja@ssi.bg>", "To": "Simon Horman <horms@verge.net.au>", "Cc": "Pablo Neira Ayuso <pablo@netfilter.org>, Florian Westphal <fw@strlen.de>,\n lvs-devel@vger.kernel.org, netfilter-devel@vger.kernel.org,\n Dust Li <dust.li@linux.alibaba.com>,\n Jiejian Wu <jiejian@linux.alibaba.com>", "Subject": "[PATCH nf-next 1/3] ipvs: show the current conn_tab size to users", "Date": "Mon, 23 Mar 2026 18:25:21 +0200", "Message-ID": "<20260323162523.44964-2-ja@ssi.bg>", "X-Mailer": "git-send-email 2.53.0", "In-Reply-To": "<20260323162523.44964-1-ja@ssi.bg>", "References": "<20260323162523.44964-1-ja@ssi.bg>", "Precedence": "bulk", "X-Mailing-List": "netfilter-devel@vger.kernel.org", "List-Id": "<netfilter-devel.vger.kernel.org>", "List-Subscribe": "<mailto:netfilter-devel+subscribe@vger.kernel.org>", "List-Unsubscribe": "<mailto:netfilter-devel+unsubscribe@vger.kernel.org>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit" }, "content": "As conn_tab is per-net, better to show the current hash table size\nto users instead of the ip_vs_conn_tab_size (max).\n\nSigned-off-by: Julian Anastasov <ja@ssi.bg>\n---\n net/netfilter/ipvs/ip_vs_ctl.c | 26 ++++++++++++++++++++++----\n 1 file changed, 22 insertions(+), 4 deletions(-)", "diff": "diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c\nindex b472e564b769..3129b15dadc2 100644\n--- a/net/netfilter/ipvs/ip_vs_ctl.c\n+++ b/net/netfilter/ipvs/ip_vs_ctl.c\n@@ -281,6 +281,13 @@ static void est_reload_work_handler(struct work_struct *work)\n \tmutex_unlock(&ipvs->est_mutex);\n }\n \n+static int get_conn_tab_size(struct netns_ipvs *ipvs)\n+{\n+\tstruct ip_vs_rht *t = rcu_dereference(ipvs->conn_tab);\n+\n+\treturn t? t->size : 0;\n+}\n+\n int\n ip_vs_use_count_inc(void)\n {\n@@ -2742,10 +2749,14 @@ static void ip_vs_info_seq_stop(struct seq_file *seq, void *v)\n \n static int ip_vs_info_seq_show(struct seq_file *seq, void *v)\n {\n+\tstruct net *net = seq_file_net(seq);\n+\tstruct netns_ipvs *ipvs = net_ipvs(net);\n+\n \tif (v == SEQ_START_TOKEN) {\n \t\tseq_printf(seq,\n \t\t\t\"IP Virtual Server version %d.%d.%d (size=%d)\\n\",\n-\t\t\tNVERSION(IP_VS_VERSION_CODE), ip_vs_conn_tab_size);\n+\t\t\tNVERSION(IP_VS_VERSION_CODE),\n+\t\t\tget_conn_tab_size(ipvs));\n \t\tseq_puts(seq,\n \t\t\t \"Prot LocalAddress:Port Scheduler Flags\\n\");\n \t\tseq_puts(seq,\n@@ -3424,9 +3435,13 @@ do_ip_vs_get_ctl(struct sock *sk, int cmd, void __user *user, int *len)\n \tcase IP_VS_SO_GET_VERSION:\n \t{\n \t\tchar buf[64];\n+\t\tint csize;\n \n+\t\trcu_read_lock();\n+\t\tcsize = get_conn_tab_size(ipvs);\n+\t\trcu_read_unlock();\n \t\tsprintf(buf, \"IP Virtual Server version %d.%d.%d (size=%d)\",\n-\t\t\tNVERSION(IP_VS_VERSION_CODE), ip_vs_conn_tab_size);\n+\t\t\tNVERSION(IP_VS_VERSION_CODE), csize);\n \t\tif (copy_to_user(user, buf, strlen(buf)+1) != 0) {\n \t\t\tret = -EFAULT;\n \t\t\tgoto out;\n@@ -3438,8 +3453,11 @@ do_ip_vs_get_ctl(struct sock *sk, int cmd, void __user *user, int *len)\n \tcase IP_VS_SO_GET_INFO:\n \t{\n \t\tstruct ip_vs_getinfo info;\n+\n \t\tinfo.version = IP_VS_VERSION_CODE;\n-\t\tinfo.size = ip_vs_conn_tab_size;\n+\t\trcu_read_lock();\n+\t\tinfo.size = get_conn_tab_size(ipvs);\n+\t\trcu_read_unlock();\n \t\tinfo.num_services =\n \t\t\tatomic_read(&ipvs->num_services[IP_VS_AF_INET]);\n \t\tif (copy_to_user(user, &info, sizeof(info)) != 0)\n@@ -4448,7 +4466,7 @@ static int ip_vs_genl_get_cmd(struct sk_buff *skb, struct genl_info *info)\n \t\tif (nla_put_u32(msg, IPVS_INFO_ATTR_VERSION,\n \t\t\t\tIP_VS_VERSION_CODE) ||\n \t\t nla_put_u32(msg, IPVS_INFO_ATTR_CONN_TAB_SIZE,\n-\t\t\t\tip_vs_conn_tab_size))\n+\t\t\t\tget_conn_tab_size(ipvs)))\n \t\t\tgoto nla_put_failure;\n \t\tbreak;\n \t}\n", "prefixes": [ "nf-next", "1/3" ] }