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Index: sys/compat/linsysfs/linsysfs.c
===================================================================
--- sys/compat/linsysfs/linsysfs.c
+++ sys/compat/linsysfs/linsysfs.c
@@ -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 @@
#include <sys/param.h>
#include <sys/systm.h>
+#include <sys/ctype.h>
#include <sys/kernel.h>
#include <sys/malloc.h>
#include <sys/mount.h>
@@ -44,7 +46,11 @@
#include <dev/pci/pcireg.h>
#include <net/if.h>
+#include <net/if_var.h>
+#include <net/if_dl.h>
+#include <compat/linux/linux.h>
+#include <compat/linux/linux_common.h>
#include <compat/linux/linux_util.h>
#include <fs/pseudofs/pseudofs.h>
@@ -64,6 +70,146 @@
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 @@
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 @@
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);
@@ -514,6 +664,7 @@
NULL, NULL, NULL, PFS_RD);
linsysfs_listcpus(cpu);
+ linsysfs_listnics(net);
return (0);
}

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