From nobody Sun Jan 15 02:26:02 2023 X-Original-To: freebsd-current@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4NvfCl6FkGz2sWGy for ; Sun, 15 Jan 2023 02:26:11 +0000 (UTC) (envelope-from ihor@antonovs.family) Received: from mail.antonovs.family (mail.antonovs.family [100.25.240.195]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "mail.antonovs.family", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4NvfCk62Mjz3kkn for ; Sun, 15 Jan 2023 02:26:10 +0000 (UTC) (envelope-from ihor@antonovs.family) Authentication-Results: mx1.freebsd.org; dkim=pass header.d=antonovs.family header.s=20200215 header.b=Kfl3AHXJ; spf=pass (mx1.freebsd.org: domain of ihor@antonovs.family designates 100.25.240.195 as permitted sender) smtp.mailfrom=ihor@antonovs.family; dmarc=pass (policy=none) header.from=antonovs.family DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=antonovs.family; s=20200215; t=1673749560; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=zJ4IX8paKsIlCqOY2eQzwEtadoiuWr8x8Xo51KFeOl0=; b=Kfl3AHXJbTXC1H8A+iBiiKV7AXChh3KBJFgEjxMFQw4/Oh88se1N0udkKFwXflvPhV1N/G MxZp6+zcFMBN8QSR18IYkln6XavwGH4XXteQK9peI7a3eUqREK7ly1K0YLU+VcbYs4AKOJ ySyGbuEfEhXyfMPWuN0kwONA9/MZMRY= Received: by mail.antonovs.family (OpenSMTPD) with ESMTPSA id 24a2b6a6 (TLSv1.3:TLS_AES_256_GCM_SHA384:256:NO) for ; Sun, 15 Jan 2023 02:26:00 +0000 (UTC) Message-ID: <92a63166-b3c3-228b-cda0-0cf769dfd364@antonovs.family> Date: Sat, 14 Jan 2023 18:26:02 -0800 List-Id: Discussions about the use of FreeBSD-current List-Archive: https://lists.freebsd.org/archives/freebsd-current List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-current@freebsd.org MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:102.0) Gecko/20100101 Thunderbird/102.6.1 To: freebsd-current Content-Language: en-US From: User Ngor Subject: netlink socket does not accept SOCK_DGRAM Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Spamd-Result: default: False [-4.00 / 15.00]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_SHORT(-1.00)[-1.000]; DMARC_POLICY_ALLOW(-0.50)[antonovs.family,none]; R_DKIM_ALLOW(-0.20)[antonovs.family:s=20200215]; R_SPF_ALLOW(-0.20)[+mx]; MIME_GOOD(-0.10)[text/plain]; RCVD_VIA_SMTP_AUTH(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; MLMMJ_DEST(0.00)[freebsd-current@freebsd.org]; ASN(0.00)[asn:14618, ipnet:100.24.0.0/13, country:US]; MIME_TRACE(0.00)[0:+]; DKIM_TRACE(0.00)[antonovs.family:+]; RCPT_COUNT_ONE(0.00)[1]; RCVD_COUNT_TWO(0.00)[2]; MID_RHS_MATCH_FROM(0.00)[]; ARC_NA(0.00)[]; TO_DN_ALL(0.00)[]; FROM_HAS_DN(0.00)[]; PREVIOUSLY_DELIVERED(0.00)[freebsd-current@freebsd.org]; TO_MATCH_ENVRCPT_ALL(0.00)[]; RCVD_TLS_ALL(0.00)[] X-Rspamd-Queue-Id: 4NvfCk62Mjz3kkn X-Spamd-Bar: --- X-ThisMailContainsUnwantedMimeParts: N man 4 rtnetlink says:     int socket(AF_NETLINK, SOCK_DGRAM, NETLINK_ROUTE); The following snippet fails int fd = socket(AF_NETLINK, SOCK_DGRAM, NETLINK_ROUTE); if (fd < 0) { perror("Failed to open netlink socket"); return -1; } printf("all good\n"); close(fd); return 0; I get: Failed to open netlink socket: Protocol wrong type for socket but if I change int fd = socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE); I get "all good" Am I doing something wrong or is this a bug? $ uname -a FreeBSD zen.hq 14.0-CURRENT FreeBSD 14.0-CURRENT #0 main-n259967-11b5b9e8a520: Sat Jan  7 16:39:30 UTC 2023 root@releng1.nyi.freebsd.org:/usr/obj/usr/src/amd64.amd64/sys/GENERIC amd64 $ kldstat | grep netl 39 1 0xffffffff839fc000 14af8 netlink.ko -- Ihor Antonov