From patchwork Tue Feb 14 23:12:15 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ilya Leoshkevich X-Patchwork-Id: 13140999 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 42513C64ED8 for ; Tue, 14 Feb 2023 23:13:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232862AbjBNXM7 (ORCPT ); Tue, 14 Feb 2023 18:12:59 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45088 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232890AbjBNXM4 (ORCPT ); Tue, 14 Feb 2023 18:12:56 -0500 Received: from mx0b-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com [148.163.158.5]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6E266A271 for ; Tue, 14 Feb 2023 15:12:53 -0800 (PST) Received: from pps.filterd (m0098417.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 31ELjtWh027876; Tue, 14 Feb 2023 23:12:37 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding; s=pp1; bh=HCaz2I83FjHUVnYK+ML/WLIQQNmHdDgfk3utS2mzK7g=; b=jZw9l+/wyBloEF1xzX4gs+IhiSjIE51fPB/mattGlBUJVhGUps3kHeNMURD9E1Il9pQI cz6LLhwEcCgR7+W0LzXj1fEN42jcb1r/TLH/NZZJJAyCTxFw0uprmFmHI+GkSBq0I71c wyJnUG5EDax+l9I2E4ikuhGe+S+FUi8AD6ZSgkpjdGeTQm6IZgbJLCYsRaNpSiRky2fP 5+xSHmczkogPPqT2zPsZjP3OCLHGO1ySjTe48y142G3sEc8TSBL4QVLTkUl2SSZz+SsY hRSYmjPgnqY3FiEF+mXhLrgqJi4Qb89S/cJfOCCdPnePzNOy9LuSMboz6QNiQStvDSWs mA== Received: from ppma05fra.de.ibm.com (6c.4a.5195.ip4.static.sl-reverse.com [149.81.74.108]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3nrh2c56c6-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 14 Feb 2023 23:12:37 +0000 Received: from pps.filterd (ppma05fra.de.ibm.com [127.0.0.1]) by ppma05fra.de.ibm.com (8.17.1.19/8.17.1.19) with ESMTP id 31E77CEP008616; Tue, 14 Feb 2023 23:12:30 GMT Received: from smtprelay05.fra02v.mail.ibm.com ([9.218.2.225]) by ppma05fra.de.ibm.com (PPS) with ESMTPS id 3np2n6be15-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 14 Feb 2023 23:12:30 +0000 Received: from smtpav07.fra02v.mail.ibm.com (smtpav07.fra02v.mail.ibm.com [10.20.54.106]) by smtprelay05.fra02v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 31ENCQHT46006560 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 14 Feb 2023 23:12:26 GMT Received: from smtpav07.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 8E03620040; Tue, 14 Feb 2023 23:12:26 +0000 (GMT) Received: from smtpav07.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id EF82120043; Tue, 14 Feb 2023 23:12:25 +0000 (GMT) Received: from heavy.lan (unknown [9.171.53.135]) by smtpav07.fra02v.mail.ibm.com (Postfix) with ESMTP; Tue, 14 Feb 2023 23:12:25 +0000 (GMT) From: Ilya Leoshkevich To: Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko Cc: bpf@vger.kernel.org, Heiko Carstens , Vasily Gorbik , Alexander Gordeev , Ilya Leoshkevich Subject: [PATCH bpf-next v3 2/8] libbpf: Use bpf_{btf,link,map,prog}_get_info_by_fd() Date: Wed, 15 Feb 2023 00:12:15 +0100 Message-Id: <20230214231221.249277-3-iii@linux.ibm.com> X-Mailer: git-send-email 2.39.1 In-Reply-To: <20230214231221.249277-1-iii@linux.ibm.com> References: <20230214231221.249277-1-iii@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-GUID: IB1dxYGg-HjCu1B7PIASdGO5yf_AaSYX X-Proofpoint-ORIG-GUID: IB1dxYGg-HjCu1B7PIASdGO5yf_AaSYX 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=2023-02-14_15,2023-02-14_01,2023-02-09_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 lowpriorityscore=0 clxscore=1015 impostorscore=0 mlxscore=0 adultscore=0 mlxlogscore=999 suspectscore=0 bulkscore=0 phishscore=0 malwarescore=0 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2212070000 definitions=main-2302140198 Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org X-Patchwork-Delegate: bpf@iogearbox.net Use the new type-safe wrappers around bpf_obj_get_info_by_fd(). Signed-off-by: Ilya Leoshkevich --- tools/lib/bpf/btf.c | 8 ++++---- tools/lib/bpf/libbpf.c | 14 +++++++------- tools/lib/bpf/netlink.c | 2 +- tools/lib/bpf/ringbuf.c | 4 ++-- 4 files changed, 14 insertions(+), 14 deletions(-) diff --git a/tools/lib/bpf/btf.c b/tools/lib/bpf/btf.c index 64841117fbb2..9181d36118d2 100644 --- a/tools/lib/bpf/btf.c +++ b/tools/lib/bpf/btf.c @@ -1350,9 +1350,9 @@ struct btf *btf_get_from_fd(int btf_fd, struct btf *base_btf) void *ptr; int err; - /* we won't know btf_size until we call bpf_obj_get_info_by_fd(). so + /* we won't know btf_size until we call bpf_btf_get_info_by_fd(). so * let's start with a sane default - 4KiB here - and resize it only if - * bpf_obj_get_info_by_fd() needs a bigger buffer. + * bpf_btf_get_info_by_fd() needs a bigger buffer. */ last_size = 4096; ptr = malloc(last_size); @@ -1362,7 +1362,7 @@ struct btf *btf_get_from_fd(int btf_fd, struct btf *base_btf) memset(&btf_info, 0, sizeof(btf_info)); btf_info.btf = ptr_to_u64(ptr); btf_info.btf_size = last_size; - err = bpf_obj_get_info_by_fd(btf_fd, &btf_info, &len); + err = bpf_btf_get_info_by_fd(btf_fd, &btf_info, &len); if (!err && btf_info.btf_size > last_size) { void *temp_ptr; @@ -1380,7 +1380,7 @@ struct btf *btf_get_from_fd(int btf_fd, struct btf *base_btf) btf_info.btf = ptr_to_u64(ptr); btf_info.btf_size = last_size; - err = bpf_obj_get_info_by_fd(btf_fd, &btf_info, &len); + err = bpf_btf_get_info_by_fd(btf_fd, &btf_info, &len); } if (err || btf_info.btf_size > last_size) { diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c index 35a698eb825d..05c4db355f28 100644 --- a/tools/lib/bpf/libbpf.c +++ b/tools/lib/bpf/libbpf.c @@ -4345,7 +4345,7 @@ int bpf_map__reuse_fd(struct bpf_map *map, int fd) char *new_name; memset(&info, 0, len); - err = bpf_obj_get_info_by_fd(fd, &info, &len); + err = bpf_map_get_info_by_fd(fd, &info, &len); if (err && errno == EINVAL) err = bpf_get_map_info_from_fdinfo(fd, &info); if (err) @@ -4729,7 +4729,7 @@ static int probe_module_btf(void) * kernel's module BTF support coincides with support for * name/name_len fields in struct bpf_btf_info. */ - err = bpf_obj_get_info_by_fd(fd, &info, &len); + err = bpf_btf_get_info_by_fd(fd, &info, &len); close(fd); return !err; } @@ -4892,7 +4892,7 @@ static bool map_is_reuse_compat(const struct bpf_map *map, int map_fd) int err; memset(&map_info, 0, map_info_len); - err = bpf_obj_get_info_by_fd(map_fd, &map_info, &map_info_len); + err = bpf_map_get_info_by_fd(map_fd, &map_info, &map_info_len); if (err && errno == EINVAL) err = bpf_get_map_info_from_fdinfo(map_fd, &map_info); if (err) { @@ -5437,7 +5437,7 @@ static int load_module_btfs(struct bpf_object *obj) info.name = ptr_to_u64(name); info.name_len = sizeof(name); - err = bpf_obj_get_info_by_fd(fd, &info, &len); + err = bpf_btf_get_info_by_fd(fd, &info, &len); if (err) { err = -errno; pr_warn("failed to get BTF object #%d info: %d\n", id, err); @@ -9030,9 +9030,9 @@ static int libbpf_find_prog_btf_id(const char *name, __u32 attach_prog_fd) int err; memset(&info, 0, info_len); - err = bpf_obj_get_info_by_fd(attach_prog_fd, &info, &info_len); + err = bpf_prog_get_info_by_fd(attach_prog_fd, &info, &info_len); if (err) { - pr_warn("failed bpf_obj_get_info_by_fd for FD %d: %d\n", + pr_warn("failed bpf_prog_get_info_by_fd for FD %d: %d\n", attach_prog_fd, err); return err; } @@ -11741,7 +11741,7 @@ static struct perf_buffer *__perf_buffer__new(int map_fd, size_t page_cnt, /* best-effort sanity checks */ memset(&map, 0, sizeof(map)); map_info_len = sizeof(map); - err = bpf_obj_get_info_by_fd(map_fd, &map, &map_info_len); + err = bpf_map_get_info_by_fd(map_fd, &map, &map_info_len); if (err) { err = -errno; /* if BPF_OBJ_GET_INFO_BY_FD is supported, will return diff --git a/tools/lib/bpf/netlink.c b/tools/lib/bpf/netlink.c index cb082a04ffa8..1653e7a8b0a1 100644 --- a/tools/lib/bpf/netlink.c +++ b/tools/lib/bpf/netlink.c @@ -689,7 +689,7 @@ static int tc_add_fd_and_name(struct libbpf_nla_req *req, int fd) int len, ret; memset(&info, 0, info_len); - ret = bpf_obj_get_info_by_fd(fd, &info, &info_len); + ret = bpf_prog_get_info_by_fd(fd, &info, &info_len); if (ret < 0) return ret; diff --git a/tools/lib/bpf/ringbuf.c b/tools/lib/bpf/ringbuf.c index 47855af25f3b..02199364db13 100644 --- a/tools/lib/bpf/ringbuf.c +++ b/tools/lib/bpf/ringbuf.c @@ -83,7 +83,7 @@ int ring_buffer__add(struct ring_buffer *rb, int map_fd, memset(&info, 0, sizeof(info)); - err = bpf_obj_get_info_by_fd(map_fd, &info, &len); + err = bpf_map_get_info_by_fd(map_fd, &info, &len); if (err) { err = -errno; pr_warn("ringbuf: failed to get map info for fd=%d: %d\n", @@ -359,7 +359,7 @@ static int user_ringbuf_map(struct user_ring_buffer *rb, int map_fd) memset(&info, 0, sizeof(info)); - err = bpf_obj_get_info_by_fd(map_fd, &info, &len); + err = bpf_map_get_info_by_fd(map_fd, &info, &len); if (err) { err = -errno; pr_warn("user ringbuf: failed to get map info for fd=%d: %d\n", map_fd, err);