From nobody Fri Mar 31 11:57:09 2023 X-Original-To: dev-commits-src-all@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 4PnzKx4j85z42P95; Fri, 31 Mar 2023 11:57:09 +0000 (UTC) (envelope-from git@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) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4PnzKx4H5mz3mXK; Fri, 31 Mar 2023 11:57:09 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1680263829; 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=KteH9UedicgKkAeqW0iBm7Wl9Un81HQ37BWPEr+8ee4=; b=yzuxjZcBd6PyNPu2uJwrmX5r4gbAZ6fDlDdZtBX3VSGPyZQofI/ZEfYaVG4stwU/GDjiAX osCd1jGj7wqL18fAAWTb6ZZgOwqKA2lCzq+GbPjeYL7/+5TpD/PeSOXwCWqDI2cr/oQlSY qeMyVtqRCE4zzWmA3thtdMX11zXQE32LkG82v8lI5FrCZI0JM8s277E+6gmY2gwqppLHSC lBbKFIdTBHl9IdvZovC1q3RMPtRPbQrfN3o0C2BDQd/qACknEtJ99i6z/ToNyUP243OShI M1bmxkki456v/bLIOetC725iP8Ui2O4Wt+OhrkMmYcHwZWYNLjjX48kykc9o6Q== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1680263829; 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=KteH9UedicgKkAeqW0iBm7Wl9Un81HQ37BWPEr+8ee4=; b=rm+82XI/w7cG2ZckCG1NlNqr5iis0W2OOhzoJMterp26kHuUsCHLj30m6GtNSwOw9yTMfS JjHdPH27LJlOikOvSdhk3gWNNfhjcujUL9mPLYXSfaQcwHijNXqNAdLob1edre7NvhtVOF rU9IIxJNUsAioyL4xQPElCs3PG/ACqewPMNlIwS3nJm5Gu81GARkjD6H1ud82ydYs7bVyy ManEqCHnHhibHNvn+E8qnzL6F7cvkS/umU7vobM/KVE1BqoYX1hBOWA8C4I/KUQYHgL5Kn aYhx3jaUMkv06DBNaSmhlh+yM3QVQJ8c3akWuTToJGkQ+Rw0W4CevGD1T66+Ew== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1680263829; a=rsa-sha256; cv=none; b=x3qv/YogBvMnmIBWCvVVO5N4xnTeSG4agDgHdDEd5VgJXPxLHPJxHxHXqXu1PjTCZit0sR tRNsqJzKhP0N/oU7cq77LPRDp7Uo/8ZbPJgbpCcrKlZLRMKu0M+7ybpFdb71DhIdZC+CKl y69sgn3vbMjq7oRBkT8ZU7eXz1He7E7MJrcdhmwW8p99CCamH2VE5Imx1XIZg+FMsgmKk4 ILo2+685ODgedWaC9/QJY6gHTCbNDPsMk4vLYJ9TLdbl2YYGZVOks+5TFG9EBpKd2NuzZ8 4Z4bSfv0o5i7/A2TpxCTEXWww3qZxLUW1bwLM37PTjIjrxJpiPzxbIDH0zyMoQ== Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) (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 did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 4PnzKx3Lc6zsxN; Fri, 31 Mar 2023 11:57:09 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org ([127.0.1.44]) by gitrepo.freebsd.org (8.16.1/8.16.1) with ESMTP id 32VBv98n086622; Fri, 31 Mar 2023 11:57:09 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.16.1/8.16.1/Submit) id 32VBv9tW086621; Fri, 31 Mar 2023 11:57:09 GMT (envelope-from git) Date: Fri, 31 Mar 2023 11:57:09 GMT Message-Id: <202303311157.32VBv9tW086621@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org From: Dmitry Chagin Subject: git: f94b5734bce1 - main - Revert "linsysfs(4): Reimplement listnics() using ifAPI" List-Id: Commit messages for all branches of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-all List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-dev-commits-src-all@freebsd.org X-BeenThere: dev-commits-src-all@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: dchagin X-Git-Repository: src X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: f94b5734bce1a28f65156855f45ea9756b739894 Auto-Submitted: auto-generated X-ThisMailContainsUnwantedMimeParts: N The branch main has been updated by dchagin: URL: https://cgit.FreeBSD.org/src/commit/?id=f94b5734bce1a28f65156855f45ea9756b739894 commit f94b5734bce1a28f65156855f45ea9756b739894 Author: Dmitry Chagin AuthorDate: 2023-03-31 11:54:33 +0000 Commit: Dmitry Chagin CommitDate: 2023-03-31 11:54:33 +0000 Revert "linsysfs(4): Reimplement listnics() using ifAPI" This reverts commit 0b56641cfcda30d06243223f37781ccc18455bef. As it poorly interacts with vnet subsystem --- sys/compat/linsysfs/linsysfs.c | 186 ++++++++++++++++++++- sys/compat/linsysfs/linsysfs.h | 38 ----- sys/compat/linsysfs/linsysfs_net.c | 326 ------------------------------------- sys/modules/linsysfs/Makefile | 2 +- 4 files changed, 179 insertions(+), 373 deletions(-) diff --git a/sys/compat/linsysfs/linsysfs.c b/sys/compat/linsysfs/linsysfs.c index 23abd2c32743..356f1af7f1ac 100644 --- a/sys/compat/linsysfs/linsysfs.c +++ b/sys/compat/linsysfs/linsysfs.c @@ -37,19 +37,22 @@ __FBSDID("$FreeBSD$"); #include #include #include +#include #include #include #include #include +#include +#include +#include + +#include +#include #include #include -#include - -MALLOC_DEFINE(M_LINSYSFS, "linsysfs", "Linsysfs structures"); - struct scsi_host_queue { TAILQ_ENTRY(scsi_host_queue) scsi_host_next; char *path; @@ -66,6 +69,175 @@ atoi(const char *str) return (int)strtol(str, (char **)NULL, 10); } +static int +linsysfs_ifnet_addr(PFS_FILL_ARGS) +{ + struct epoch_tracker et; + struct l_sockaddr lsa; + struct ifnet *ifp; + int error; + + CURVNET_SET(TD_TO_VNET(td)); + NET_EPOCH_ENTER(et); + ifp = ifname_linux_to_ifp(td, pn->pn_parent->pn_name); + if (ifp != NULL && (error = linux_ifhwaddr(ifp, &lsa)) == 0) + error = 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]); + else + error = ENOENT; + NET_EPOCH_EXIT(et); + CURVNET_RESTORE(); + return (error == -1 ? ERANGE : error); +} + +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 epoch_tracker et; + struct ifnet *ifp; + int error; + + CURVNET_SET(TD_TO_VNET(td)); + NET_EPOCH_ENTER(et); + ifp = ifname_linux_to_ifp(td, pn->pn_parent->pn_name); + if (ifp != NULL) + error = sbuf_printf(sb, "0x%x\n", linux_ifflags(ifp)); + else + error = ENOENT; + NET_EPOCH_EXIT(et); + CURVNET_RESTORE(); + return (error == -1 ? ERANGE : error); +} + +static int +linsysfs_ifnet_ifindex(PFS_FILL_ARGS) +{ + struct epoch_tracker et; + struct ifnet *ifp; + int error; + + CURVNET_SET(TD_TO_VNET(td)); + NET_EPOCH_ENTER(et); + ifp = ifname_linux_to_ifp(td, pn->pn_parent->pn_name); + if (ifp != NULL) + error = sbuf_printf(sb, "%u\n", if_getindex(ifp)); + else + error = ENOENT; + NET_EPOCH_EXIT(et); + CURVNET_RESTORE(); + return (error == -1 ? ERANGE : error); +} + +static int +linsysfs_ifnet_mtu(PFS_FILL_ARGS) +{ + struct epoch_tracker et; + struct ifnet *ifp; + int error; + + CURVNET_SET(TD_TO_VNET(td)); + NET_EPOCH_ENTER(et); + ifp = ifname_linux_to_ifp(td, pn->pn_parent->pn_name); + if (ifp != NULL) + error = sbuf_printf(sb, "%u\n", if_getmtu(ifp)); + else + error = ENOENT; + NET_EPOCH_EXIT(et); + CURVNET_RESTORE(); + return (error == -1 ? ERANGE : error); +} + +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 epoch_tracker et; + struct l_sockaddr lsa; + struct ifnet *ifp; + int error; + + CURVNET_SET(TD_TO_VNET(td)); + NET_EPOCH_ENTER(et); + ifp = ifname_linux_to_ifp(td, pn->pn_parent->pn_name); + if (ifp != NULL && (error = linux_ifhwaddr(ifp, &lsa)) == 0) + error = sbuf_printf(sb, "%d\n", lsa.sa_family); + else + error = ENOENT; + NET_EPOCH_EXIT(et); + CURVNET_RESTORE(); + return (error == -1 ? ERANGE : error); +} + +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 */ @@ -478,6 +650,7 @@ 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; struct pfs_node *kernel; devclass_t devclass; @@ -529,14 +702,13 @@ linsysfs_init(PFS_INIT_ARGS) NULL, NULL, NULL, PFS_RD); linsysfs_listcpus(cpu); + linsysfs_listnics(net); /* /sys/kernel */ kernel = pfs_create_dir(root, "kernel", NULL, NULL, NULL, 0); /* /sys/kernel/debug, mountpoint for lindebugfs. */ pfs_create_dir(kernel, "debug", NULL, NULL, NULL, 0); - linsysfs_net_init(); - return (0); } @@ -555,8 +727,6 @@ linsysfs_uninit(PFS_INIT_ARGS) free(scsi_host, M_TEMP); } - linsysfs_net_uninit(); - return (0); } diff --git a/sys/compat/linsysfs/linsysfs.h b/sys/compat/linsysfs/linsysfs.h deleted file mode 100644 index 005c0e090a6b..000000000000 --- a/sys/compat/linsysfs/linsysfs.h +++ /dev/null @@ -1,38 +0,0 @@ -/*- - * SPDX-License-Identifier: BSD-2-Clause-FreeBSD - * - * Copyright (c) 2023 Dmitry Chagin - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#ifndef _COMPAT_LINSYSFS_LINSYSFS_H_ -#define _COMPAT_LINSYSFS_LINSYSFS_H_ - -MALLOC_DECLARE(M_LINSYSFS); - -extern struct pfs_node *net; - -void linsysfs_net_init(void); -void linsysfs_net_uninit(void); - -#endif /* _COMPAT_LINSYSFS_LINSYSFS_H_ */ diff --git a/sys/compat/linsysfs/linsysfs_net.c b/sys/compat/linsysfs/linsysfs_net.c deleted file mode 100644 index 00eb642f1db2..000000000000 --- a/sys/compat/linsysfs/linsysfs_net.c +++ /dev/null @@ -1,326 +0,0 @@ -/*- - * SPDX-License-Identifier: BSD-2-Clause-FreeBSD - * - * Copyright (c) 2023 Dmitry Chagin - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#include -__FBSDID("$FreeBSD$"); - -#include -#include -#include -#include -#include -#include -#include - -#include -#include -#include - -#include -#include -#include - -#include - -struct pfs_node *net; -static eventhandler_tag if_arrival_tag, if_departure_tag; - -static uint32_t net_latch_count = 0; -static struct mtx net_latch_mtx; -MTX_SYSINIT(net_latch_mtx, &net_latch_mtx, "lsfnet", MTX_DEF); - -struct ifp_nodes_queue { - TAILQ_ENTRY(ifp_nodes_queue) ifp_nodes_next; - if_t ifp; - struct pfs_node *pn; -}; -TAILQ_HEAD(,ifp_nodes_queue) ifp_nodes_q; - -static void -linsysfs_net_latch_hold(void) -{ - - mtx_lock(&net_latch_mtx); - if (net_latch_count++ > 0) - mtx_sleep(&net_latch_count, &net_latch_mtx, PDROP, "lsfnet", 0); - else - mtx_unlock(&net_latch_mtx); -} - -static void -linsysfs_net_latch_rele(void) -{ - - mtx_lock(&net_latch_mtx); - if (--net_latch_count > 0) - wakeup_one(&net_latch_count); - mtx_unlock(&net_latch_mtx); -} - -static int -linsysfs_ifnet_addr(PFS_FILL_ARGS) -{ - struct epoch_tracker et; - struct l_sockaddr lsa; - struct ifnet *ifp; - int error; - - CURVNET_SET(TD_TO_VNET(td)); - NET_EPOCH_ENTER(et); - ifp = ifname_linux_to_ifp(td, pn->pn_parent->pn_name); - if (ifp != NULL && (error = linux_ifhwaddr(ifp, &lsa)) == 0) - error = 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]); - else - error = ENOENT; - NET_EPOCH_EXIT(et); - CURVNET_RESTORE(); - return (error == -1 ? ERANGE : error); -} - -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 epoch_tracker et; - struct ifnet *ifp; - int error; - - CURVNET_SET(TD_TO_VNET(td)); - NET_EPOCH_ENTER(et); - ifp = ifname_linux_to_ifp(td, pn->pn_parent->pn_name); - if (ifp != NULL) - error = sbuf_printf(sb, "0x%x\n", linux_ifflags(ifp)); - else - error = ENOENT; - NET_EPOCH_EXIT(et); - CURVNET_RESTORE(); - return (error == -1 ? ERANGE : error); -} - -static int -linsysfs_ifnet_ifindex(PFS_FILL_ARGS) -{ - struct epoch_tracker et; - struct ifnet *ifp; - int error; - - CURVNET_SET(TD_TO_VNET(td)); - NET_EPOCH_ENTER(et); - ifp = ifname_linux_to_ifp(td, pn->pn_parent->pn_name); - if (ifp != NULL) - error = sbuf_printf(sb, "%u\n", if_getindex(ifp)); - else - error = ENOENT; - NET_EPOCH_EXIT(et); - CURVNET_RESTORE(); - return (error == -1 ? ERANGE : error); -} - -static int -linsysfs_ifnet_mtu(PFS_FILL_ARGS) -{ - struct epoch_tracker et; - struct ifnet *ifp; - int error; - - CURVNET_SET(TD_TO_VNET(td)); - NET_EPOCH_ENTER(et); - ifp = ifname_linux_to_ifp(td, pn->pn_parent->pn_name); - if (ifp != NULL) - error = sbuf_printf(sb, "%u\n", if_getmtu(ifp)); - else - error = ENOENT; - NET_EPOCH_EXIT(et); - CURVNET_RESTORE(); - return (error == -1 ? ERANGE : error); -} - -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 epoch_tracker et; - struct l_sockaddr lsa; - struct ifnet *ifp; - int error; - - CURVNET_SET(TD_TO_VNET(td)); - NET_EPOCH_ENTER(et); - ifp = ifname_linux_to_ifp(td, pn->pn_parent->pn_name); - if (ifp != NULL && (error = linux_ifhwaddr(ifp, &lsa)) == 0) - error = sbuf_printf(sb, "%d\n", lsa.sa_family); - else - error = ENOENT; - NET_EPOCH_EXIT(et); - CURVNET_RESTORE(); - return (error == -1 ? ERANGE : error); -} - -static struct pfs_node * -linsysfs_net_find_node(if_t ifp) -{ - struct ifp_nodes_queue *nq, *nq_tmp; - - TAILQ_FOREACH_SAFE(nq, &ifp_nodes_q, ifp_nodes_next, nq_tmp) { - if (nq->ifp == ifp) - return (nq->pn); - } - return (NULL); -} - -static int -linsysfs_net_addnic(if_t ifp, void *arg) -{ - char ifname[LINUX_IFNAMSIZ]; - struct ifp_nodes_queue *nq; - struct epoch_tracker et; - struct pfs_node *dir = arg; - struct pfs_node *nic = NULL; - int ret __diagused; - - NET_EPOCH_ENTER(et); - ret = ifname_bsd_to_linux_ifp(ifp, ifname, sizeof(ifname)); - NET_EPOCH_EXIT(et); - KASSERT(ret > 0, ("Interface (%s) is not converted", if_name(ifp))); - - nic = linsysfs_net_find_node(ifp); - MPASS(nic == NULL); - - nic = pfs_create_dir(dir, ifname, 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); - - nq = malloc(sizeof(*nq), M_LINSYSFS, M_WAITOK); - nq->pn = nic; - nq->ifp = ifp; - TAILQ_INSERT_TAIL(&ifp_nodes_q, nq, ifp_nodes_next); - return (0); -} - -static int -linsysfs_net_delnic(if_t ifp, void *arg) -{ - struct ifp_nodes_queue *nq, *nq_tmp; - - TAILQ_FOREACH_SAFE(nq, &ifp_nodes_q, ifp_nodes_next, nq_tmp) { - if (nq->ifp == ifp) { - TAILQ_REMOVE(&ifp_nodes_q, nq, ifp_nodes_next); - pfs_destroy(nq->pn); - free(nq, M_LINSYSFS); - return (0); - } - } - return (1); -} - -static void -linsysfs_net_listnics(struct pfs_node *dir) -{ - - CURVNET_SET(TD_TO_VNET(curthread)); - if_foreach_sleep(NULL, NULL, linsysfs_net_addnic, dir); - CURVNET_RESTORE(); -} - -static void -linsysfs_ifnet_arrival(void *arg __unused, struct ifnet *ifp) -{ - - linsysfs_net_latch_hold(); - linsysfs_net_addnic(ifp, net); - linsysfs_net_latch_rele(); -} - -static void -linsysfs_ifnet_departure(void *arg __unused, struct ifnet *ifp) -{ - - linsysfs_net_latch_hold(); - linsysfs_net_delnic(ifp, net); - linsysfs_net_latch_rele(); -} - -void -linsysfs_net_init(void) -{ - - MPASS(net != NULL); - TAILQ_INIT(&ifp_nodes_q); - if_arrival_tag = EVENTHANDLER_REGISTER(ifnet_arrival_event, - linsysfs_ifnet_arrival, NULL, EVENTHANDLER_PRI_ANY); - if_departure_tag = EVENTHANDLER_REGISTER(ifnet_departure_event, - linsysfs_ifnet_departure, NULL, EVENTHANDLER_PRI_ANY); - - linsysfs_net_latch_hold(); - linsysfs_net_listnics(net); - linsysfs_net_latch_rele(); -} - -void -linsysfs_net_uninit(void) -{ - struct ifp_nodes_queue *nq, *nq_tmp; - - EVENTHANDLER_DEREGISTER(ifnet_arrival_event, if_arrival_tag); - EVENTHANDLER_DEREGISTER(ifnet_departure_event, if_departure_tag); - - linsysfs_net_latch_hold(); - TAILQ_FOREACH_SAFE(nq, &ifp_nodes_q, ifp_nodes_next, nq_tmp) { - TAILQ_REMOVE(&ifp_nodes_q, nq, ifp_nodes_next); - free(nq, M_LINSYSFS); - } - linsysfs_net_latch_rele(); -} diff --git a/sys/modules/linsysfs/Makefile b/sys/modules/linsysfs/Makefile index 8ec02da435e4..058fbbc521b1 100644 --- a/sys/modules/linsysfs/Makefile +++ b/sys/modules/linsysfs/Makefile @@ -5,7 +5,7 @@ KMOD= linsysfs SRCS= vnode_if.h \ device_if.h bus_if.h pci_if.h \ - linsysfs.c linsysfs_net.c + linsysfs.c .if !defined(KERNBUILDDIR) .warning Building Linuxulator outside of a kernel does not make sense