From owner-svn-src-all@freebsd.org Mon May 6 20:01:14 2019 Return-Path: Delivered-To: svn-src-all@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id B1E161594540; Mon, 6 May 2019 20:01:14 +0000 (UTC) (envelope-from dchagin@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 56E1D87278; Mon, 6 May 2019 20:01:14 +0000 (UTC) (envelope-from dchagin@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 172BABA25; Mon, 6 May 2019 20:01:14 +0000 (UTC) (envelope-from dchagin@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id x46K1DKT028934; Mon, 6 May 2019 20:01:13 GMT (envelope-from dchagin@FreeBSD.org) Received: (from dchagin@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id x46K1Dpn028933; Mon, 6 May 2019 20:01:13 GMT (envelope-from dchagin@FreeBSD.org) Message-Id: <201905062001.x46K1Dpn028933@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: dchagin set sender to dchagin@FreeBSD.org using -f From: Dmitry Chagin Date: Mon, 6 May 2019 20:01:13 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r347204 - head/sys/compat/linsysfs X-SVN-Group: head X-SVN-Commit-Author: dchagin X-SVN-Commit-Paths: head/sys/compat/linsysfs X-SVN-Commit-Revision: 347204 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 56E1D87278 X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [-2.97 / 15.00]; local_wl_from(0.00)[FreeBSD.org]; NEURAL_HAM_MEDIUM(-1.00)[-0.999,0]; NEURAL_HAM_SHORT(-0.98)[-0.976,0]; ASN(0.00)[asn:11403, ipnet:2610:1c1:1::/48, country:US]; NEURAL_HAM_LONG(-1.00)[-1.000,0] X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 06 May 2019 20:01:14 -0000 Author: dchagin Date: Mon May 6 20:01:13 2019 New Revision: 347204 URL: https://svnweb.freebsd.org/changeset/base/347204 Log: Adds sys/class/net devices to linsysfs. Only two interfaces are created eth0 and lo and they expose the following properties: address, addr_len, flags, ifindex, mty, tx_queue_len and type. Initial patch developed by Carlos Neira in 2017 and finished by me. PR: 223722 MFC after: 2 weeks Differential Revision: https://reviews.freebsd.org/D13656 Modified: head/sys/compat/linsysfs/linsysfs.c Modified: head/sys/compat/linsysfs/linsysfs.c ============================================================================== --- head/sys/compat/linsysfs/linsysfs.c Mon May 6 19:57:51 2019 (r347203) +++ head/sys/compat/linsysfs/linsysfs.c Mon May 6 20:01:13 2019 (r347204) @@ -2,6 +2,7 @@ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD * * Copyright (c) 2006 IronPort Systems + * Copyright (c) 2017 Carlos Neira cneirabustos@gmail.com * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -31,6 +32,7 @@ __FBSDID("$FreeBSD$"); #include #include +#include #include #include #include @@ -44,7 +46,11 @@ __FBSDID("$FreeBSD$"); #include #include +#include +#include +#include +#include #include #include @@ -64,6 +70,146 @@ atoi(const char *str) return (int)strtol(str, (char **)NULL, 10); } +static int +linsysfs_ifnet_addr(PFS_FILL_ARGS) +{ + struct l_sockaddr lsa; + struct ifnet *ifp; + + ifp = ifname_linux_to_bsd(td, pn->pn_parent->pn_name, NULL); + if (ifp == NULL) + return (ENOENT); + if (linux_ifhwaddr(ifp, &lsa) != 0) + return (ENOENT); + sbuf_printf(sb, "%02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx\n", + lsa.sa_data[0], lsa.sa_data[1], lsa.sa_data[2], + lsa.sa_data[3], lsa.sa_data[4], lsa.sa_data[5]); + return (0); +} + +static int +linsysfs_ifnet_addrlen(PFS_FILL_ARGS) +{ + + sbuf_printf(sb, "%d\n", LINUX_IFHWADDRLEN); + return (0); +} + +static int +linsysfs_ifnet_flags(PFS_FILL_ARGS) +{ + struct ifnet *ifp; + unsigned short flags; + + ifp = ifname_linux_to_bsd(td, pn->pn_parent->pn_name, NULL); + if (ifp == NULL) + return (ENOENT); + linux_ifflags(ifp, &flags); + sbuf_printf(sb, "0x%x\n", flags); + return (0); +} + +static int +linsysfs_ifnet_ifindex(PFS_FILL_ARGS) +{ + struct ifnet *ifp; + + ifp = ifname_linux_to_bsd(td, pn->pn_parent->pn_name, NULL); + if (ifp == NULL) + return (ENOENT); + sbuf_printf(sb, "%u\n", ifp->if_index); + return (0); +} + +static int +linsysfs_ifnet_mtu(PFS_FILL_ARGS) +{ + struct ifnet *ifp; + + ifp = ifname_linux_to_bsd(td, pn->pn_parent->pn_name, NULL); + if (ifp == NULL) + return (ENOENT); + sbuf_printf(sb, "%u\n", ifp->if_mtu); + return (0); +} + +static int +linsysfs_ifnet_tx_queue_len(PFS_FILL_ARGS) +{ + + /* XXX */ + sbuf_printf(sb, "1000\n"); + return (0); +} + +static int +linsysfs_ifnet_type(PFS_FILL_ARGS) +{ + struct l_sockaddr lsa; + struct ifnet *ifp; + + ifp = ifname_linux_to_bsd(td, pn->pn_parent->pn_name, NULL); + if (ifp == NULL) + return (ENOENT); + if (linux_ifhwaddr(ifp, &lsa) != 0) + return (ENOENT); + sbuf_printf(sb, "%d\n", lsa.sa_family); + return (0); +} + +static void +linsysfs_listnics(struct pfs_node *dir) +{ + struct pfs_node *nic; + struct pfs_node *lo; + + nic = pfs_create_dir(dir, "eth0", NULL, NULL, NULL, 0); + + pfs_create_file(nic, "address", &linsysfs_ifnet_addr, + NULL, NULL, NULL, PFS_RD); + + pfs_create_file(nic, "addr_len", &linsysfs_ifnet_addrlen, + NULL, NULL, NULL, PFS_RD); + + pfs_create_file(nic, "flags", &linsysfs_ifnet_flags, + NULL, NULL, NULL, PFS_RD); + + pfs_create_file(nic, "ifindex", &linsysfs_ifnet_ifindex, + NULL, NULL, NULL, PFS_RD); + + pfs_create_file(nic, "mtu", &linsysfs_ifnet_mtu, + NULL, NULL, NULL, PFS_RD); + + pfs_create_file(nic, "tx_queue_len", &linsysfs_ifnet_tx_queue_len, + NULL, NULL, NULL, PFS_RD); + + pfs_create_file(nic, "type", &linsysfs_ifnet_type, + NULL, NULL, NULL, PFS_RD); + + lo = pfs_create_dir(dir, "lo", NULL, NULL, NULL, 0); + + pfs_create_file(lo, "address", &linsysfs_ifnet_addr, + NULL, NULL, NULL, PFS_RD); + + pfs_create_file(lo, "addr_len", &linsysfs_ifnet_addrlen, + NULL, NULL, NULL, PFS_RD); + + pfs_create_file(lo, "flags", &linsysfs_ifnet_flags, + NULL, NULL, NULL, PFS_RD); + + pfs_create_file(lo, "ifindex", &linsysfs_ifnet_ifindex, + NULL, NULL, NULL, PFS_RD); + + pfs_create_file(lo, "mtu", &linsysfs_ifnet_mtu, + NULL, NULL, NULL, PFS_RD); + + pfs_create_file(lo, "tx_queue_len", &linsysfs_ifnet_tx_queue_len, + NULL, NULL, NULL, PFS_RD); + + pfs_create_file(lo, "type", &linsysfs_ifnet_type, + NULL, NULL, NULL, PFS_RD); +} + /* * Filler function for proc_name */ @@ -475,6 +621,7 @@ linsysfs_init(PFS_INIT_ARGS) struct pfs_node *drm; struct pfs_node *pci; struct pfs_node *scsi; + struct pfs_node *net; struct pfs_node *devdir, *chardev; devclass_t devclass; device_t dev; @@ -488,6 +635,9 @@ linsysfs_init(PFS_INIT_ARGS) scsi = pfs_create_dir(class, "scsi_host", NULL, NULL, NULL, 0); drm = pfs_create_dir(class, "drm", NULL, NULL, NULL, 0); + /* /sys/class/net/.. */ + net = pfs_create_dir(class, "net", NULL, NULL, NULL, 0); + /* /sys/dev/... */ devdir = pfs_create_dir(root, "dev", NULL, NULL, NULL, 0); chardev = pfs_create_dir(devdir, "char", NULL, NULL, NULL, 0); @@ -518,6 +668,7 @@ linsysfs_init(PFS_INIT_ARGS) NULL, NULL, NULL, PFS_RD); linsysfs_listcpus(cpu); + linsysfs_listnics(net); return (0); }