From patchwork Tue Feb 14 00:40:15 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dave Marchevsky X-Patchwork-Id: 13139235 X-Patchwork-Delegate: bpf@iogearbox.net Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 83DE8C636CC for ; Tue, 14 Feb 2023 00:43:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229554AbjBNAno (ORCPT ); Mon, 13 Feb 2023 19:43:44 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50868 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229462AbjBNAno (ORCPT ); Mon, 13 Feb 2023 19:43:44 -0500 Received: from mx0a-00082601.pphosted.com (mx0a-00082601.pphosted.com [67.231.145.42]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 50911D527 for ; Mon, 13 Feb 2023 16:43:43 -0800 (PST) Received: from pps.filterd (m0044012.ppops.net [127.0.0.1]) by mx0a-00082601.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 31DLuWxA023566 for ; Mon, 13 Feb 2023 16:43:43 -0800 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fb.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding : content-type; s=facebook; bh=AjAUwe7gQC6OovnCABn3IqW7kQv2EygZ4w2Ir6t+bjk=; b=EGE9lmQsU3JZPEN5UQ6PSbOuJfMWkRcBuUvnnSnycOCZ1BHaBT+qvoJ4miI5RrxRgw77 b1KEW+bZy20lM++X8Q8wVnB204+pdUBg+kDPfAqdcH1ER/yPDoL91yEN9t3wwG65yvk5 asOjI+cfmnU5NPgc3arcWOmU6/2wJoIG9Vg= Received: from maileast.thefacebook.com ([163.114.130.16]) by mx0a-00082601.pphosted.com (PPS) with ESMTPS id 3np9kuf51x-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT) for ; Mon, 13 Feb 2023 16:43:42 -0800 Received: from twshared24004.14.frc2.facebook.com (2620:10d:c0a8:1b::d) by mail.thefacebook.com (2620:10d:c0a8:83::7) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.17; Mon, 13 Feb 2023 16:43:41 -0800 Received: by devbig077.ldc1.facebook.com (Postfix, from userid 158236) id 107AF16ED5DA0; Mon, 13 Feb 2023 16:40:33 -0800 (PST) From: Dave Marchevsky To: CC: Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko , Kernel Team , Kumar Kartikeya Dwivedi , Tejun Heo , Dave Marchevsky Subject: [PATCH v6 bpf-next 6/8] bpf: Add bpf_rbtree_{add,remove,first} decls to bpf_experimental.h Date: Mon, 13 Feb 2023 16:40:15 -0800 Message-ID: <20230214004017.2534011-7-davemarchevsky@fb.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20230214004017.2534011-1-davemarchevsky@fb.com> References: <20230214004017.2534011-1-davemarchevsky@fb.com> MIME-Version: 1.0 X-FB-Internal: Safe X-Proofpoint-ORIG-GUID: Nfqlgmlf51MI9972MBOhPc_8xCXrp985 X-Proofpoint-GUID: Nfqlgmlf51MI9972MBOhPc_8xCXrp985 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.219,Aquarius:18.0.930,Hydra:6.0.562,FMLib:17.11.170.22 definitions=2023-02-13_12,2023-02-13_01,2023-02-09_01 Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org X-Patchwork-Delegate: bpf@iogearbox.net These kfuncs will be used by selftests in following patches Signed-off-by: Dave Marchevsky --- .../testing/selftests/bpf/bpf_experimental.h | 24 +++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/tools/testing/selftests/bpf/bpf_experimental.h b/tools/testing/selftests/bpf/bpf_experimental.h index 424f7bbbfe9b..dbd2c729781a 100644 --- a/tools/testing/selftests/bpf/bpf_experimental.h +++ b/tools/testing/selftests/bpf/bpf_experimental.h @@ -65,4 +65,28 @@ extern struct bpf_list_node *bpf_list_pop_front(struct bpf_list_head *head) __ks */ extern struct bpf_list_node *bpf_list_pop_back(struct bpf_list_head *head) __ksym; +/* Description + * Remove 'node' from rbtree with root 'root' + * Returns + * Pointer to the removed node, or NULL if 'root' didn't contain 'node' + */ +extern struct bpf_rb_node *bpf_rbtree_remove(struct bpf_rb_root *root, + struct bpf_rb_node *node) __ksym; + +/* Description + * Add 'node' to rbtree with root 'root' using comparator 'less' + * Returns + * Nothing + */ +extern void bpf_rbtree_add(struct bpf_rb_root *root, struct bpf_rb_node *node, + bool (less)(struct bpf_rb_node *a, const struct bpf_rb_node *b)) __ksym; + +/* Description + * Return the first (leftmost) node in input tree + * Returns + * Pointer to the node, which is _not_ removed from the tree. If the tree + * contains no nodes, returns NULL. + */ +extern struct bpf_rb_node *bpf_rbtree_first(struct bpf_rb_root *root) __ksym; + #endif