* Copyright (C) 2013 Steven Barth <steven@midlink.org>
* Copyright (C) 2014 Gioacchino Mazzurco <gio@eigenlab.org>
* Copyright (C) 2017 Matthias Schiffer <mschiffer@universe-factory.net>
+ * Copyright (C) 2018 Hans Dedecker <dedeckeh@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2
#include <net/if.h>
#include <net/if_arp.h>
+#include <limits.h>
#include <arpa/inet.h>
-#include <netinet/ether.h>
#include <netinet/in.h>
+#include <netinet/ether.h>
#include <linux/rtnetlink.h>
+#include <linux/neighbour.h>
#include <linux/sockios.h>
#include <linux/ip.h>
#include <linux/if_addr.h>
#include <linux/veth.h>
#include <linux/version.h>
+#include <sched.h>
+
+#include "ethtool-modes.h"
+
#ifndef RTN_FAILED_POLICY
#define RTN_FAILED_POLICY 12
#endif
#include "netifd.h"
#include "device.h"
#include "system.h"
+#include "utils.h"
struct event_socket {
struct uloop_fd uloop;
static void handle_hotplug_event(struct uloop_fd *u, unsigned int events);
static int system_add_proto_tunnel(const char *name, const uint8_t proto,
const unsigned int link, struct blob_attr **tb);
-static int __system_del_ip_tunnel(const char *name, struct blob_attr **tb);
static char dev_buf[256];
+static const char *proc_path = "/proc";
+static const char *sysfs_path = "/sys";
+
+struct netdev_type {
+ unsigned short id;
+ const char *name;
+};
+
+static const struct netdev_type netdev_types[] = {
+ {ARPHRD_NETROM, "netrom"},
+ {ARPHRD_ETHER, "ethernet"},
+ {ARPHRD_EETHER, "eethernet"},
+ {ARPHRD_AX25, "ax25"},
+ {ARPHRD_PRONET, "pronet"},
+ {ARPHRD_CHAOS, "chaos"},
+ {ARPHRD_IEEE802, "ieee802"},
+ {ARPHRD_ARCNET, "arcnet"},
+ {ARPHRD_APPLETLK, "appletlk"},
+ {ARPHRD_DLCI, "dlci"},
+ {ARPHRD_ATM, "atm"},
+ {ARPHRD_METRICOM, "metricom"},
+ {ARPHRD_IEEE1394, "ieee1394"},
+ {ARPHRD_EUI64, "eui64"},
+ {ARPHRD_INFINIBAND, "infiniband"},
+ {ARPHRD_SLIP, "slip"},
+ {ARPHRD_CSLIP, "cslip"},
+ {ARPHRD_SLIP6, "slip6"},
+ {ARPHRD_CSLIP6, "cslip6"},
+ {ARPHRD_RSRVD, "rsrvd"},
+ {ARPHRD_ADAPT, "adapt"},
+ {ARPHRD_ROSE, "rose"},
+ {ARPHRD_X25, "x25"},
+ {ARPHRD_HWX25, "hwx25"},
+ {ARPHRD_PPP, "ppp"},
+ {ARPHRD_CISCO, "cisco"},
+ {ARPHRD_LAPB, "lapb"},
+ {ARPHRD_DDCMP, "ddcmp"},
+ {ARPHRD_RAWHDLC, "rawhdlc"},
+ {ARPHRD_TUNNEL, "tunnel"},
+ {ARPHRD_TUNNEL6, "tunnel6"},
+ {ARPHRD_FRAD, "frad"},
+ {ARPHRD_SKIP, "skip"},
+ {ARPHRD_LOOPBACK, "loopback"},
+ {ARPHRD_LOCALTLK, "localtlk"},
+ {ARPHRD_FDDI, "fddi"},
+ {ARPHRD_BIF, "bif"},
+ {ARPHRD_SIT, "sit"},
+ {ARPHRD_IPDDP, "ipddp"},
+ {ARPHRD_IPGRE, "ipgre"},
+ {ARPHRD_PIMREG,"pimreg"},
+ {ARPHRD_HIPPI, "hippi"},
+ {ARPHRD_ASH, "ash"},
+ {ARPHRD_ECONET, "econet"},
+ {ARPHRD_IRDA, "irda"},
+ {ARPHRD_FCPP, "fcpp"},
+ {ARPHRD_FCAL, "fcal"},
+ {ARPHRD_FCPL, "fcpl"},
+ {ARPHRD_FCFABRIC, "fcfabric"},
+ {ARPHRD_IEEE80211, "ieee80211"},
+ {ARPHRD_IEEE80211_PRISM, "ie80211-prism"},
+ {ARPHRD_IEEE80211_RADIOTAP, "ieee80211-radiotap"},
+#ifdef ARPHRD_PHONET
+ {ARPHRD_PHONET, "phonet"},
+#endif
+#ifdef ARPHRD_PHONET_PIPE
+ {ARPHRD_PHONET_PIPE, "phonet-pipe"},
+#endif
+ {ARPHRD_IEEE802154, "ieee802154"},
+ {ARPHRD_VOID, "void"},
+ {ARPHRD_NONE, "none"}
+};
static void
handler_nl_event(struct uloop_fd *u, unsigned int events)
{
struct event_socket *ev = container_of(u, struct event_socket, uloop);
- int err;
- socklen_t errlen = sizeof(err);
+ int ret;
- if (!u->error) {
- nl_recvmsgs_default(ev->sock);
+ ret = nl_recvmsgs_default(ev->sock);
+ if (ret >= 0)
return;
- }
-
- if (getsockopt(u->fd, SOL_SOCKET, SO_ERROR, (void *)&err, &errlen))
- goto abort;
- switch(err) {
- case ENOBUFS:
- // Increase rx buffer size on netlink socket
+ switch (-ret) {
+ case NLE_NOMEM:
+ /* Increase rx buffer size on netlink socket */
ev->bufsize *= 2;
if (nl_socket_set_buffer_size(ev->sock, ev->bufsize, 0))
goto abort;
- // Request full dump since some info got dropped
+ /* Request full dump since some info got dropped */
struct rtgenmsg msg = { .rtgen_family = AF_UNSPEC };
nl_send_simple(ev->sock, RTM_GETLINK, NLM_F_DUMP, &msg, sizeof(msg));
break;
default:
goto abort;
}
- u->error = false;
return;
abort:
return;
}
+static void
+nl_udebug_cb(void *priv, struct nl_msg *msg)
+{
+ struct nlmsghdr *nlh = nlmsg_hdr(msg);
+
+ udebug_netlink_msg(priv, nlmsg_get_proto(msg), nlh, nlh->nlmsg_len);
+}
+
static struct nl_sock *
create_socket(int protocol, int groups)
{
if (groups)
nl_join_groups(sock, groups);
- if (nl_connect(sock, protocol))
+ if (nl_connect(sock, protocol)) {
+ nl_socket_free(sock);
return NULL;
+ }
+
+ nl_socket_set_tx_debug_cb(sock, nl_udebug_cb, &udb_nl);
+ nl_socket_set_rx_debug_cb(sock, nl_udebug_cb, &udb_nl);
return sock;
}
if (!create_raw_event_socket(ev, protocol, 0, handler_nl_event, ULOOP_ERROR_CB))
return false;
- // Install the valid custom callback handler
+ /* Install the valid custom callback handler */
nl_socket_modify_cb(ev->sock, NL_CB_VALID, NL_CB_CUSTOM, cb, NULL);
- // Disable sequence number checking on event sockets
+ /* Disable sequence number checking on event sockets */
nl_socket_disable_seq_check(ev->sock);
- // Increase rx buffer size to 65K on event sockets
+ /* Increase rx buffer size to 65K on event sockets */
+ ev->bufsize = 65535;
+ if (nl_socket_set_buffer_size(ev->sock, ev->bufsize, 0))
+ return false;
+
+ return true;
+}
+
+static bool
+create_hotplug_event_socket(struct event_socket *ev, int protocol,
+ void (*cb)(struct uloop_fd *u, unsigned int events))
+{
+ if (!create_raw_event_socket(ev, protocol, 1, cb, ULOOP_ERROR_CB))
+ return false;
+
+ /* Increase rx buffer size to 65K on event sockets */
ev->bufsize = 65535;
if (nl_socket_set_buffer_size(ev->sock, ev->bufsize, 0))
return false;
sock_ioctl = socket(AF_LOCAL, SOCK_DGRAM, 0);
system_fd_set_cloexec(sock_ioctl);
- // Prepare socket for routing / address control
+ /* Prepare socket for routing / address control */
sock_rtnl = create_socket(NETLINK_ROUTE, 0);
if (!sock_rtnl)
return -1;
if (!create_event_socket(&rtnl_event, NETLINK_ROUTE, cb_rtnl_event))
return -1;
- if (!create_raw_event_socket(&hotplug_event, NETLINK_KOBJECT_UEVENT, 1,
- handle_hotplug_event, 0))
+ if (!create_hotplug_event_socket(&hotplug_event, NETLINK_KOBJECT_UEVENT,
+ handle_hotplug_event))
return -1;
- // Receive network link events form kernel
+ /* Receive network link events form kernel */
nl_socket_add_membership(rtnl_event.sock, RTNLGRP_LINK);
return 0;
}
-static void system_set_sysctl(const char *path, const char *val)
+static void write_file(const char *path, const char *val)
{
int fd;
close(fd);
}
-static void system_set_dev_sysctl(const char *path, const char *device, const char *val)
+static int read_file(const char *path, char *buf, const size_t buf_sz)
+{
+ int fd = -1, ret = -1;
+
+ fd = open(path, O_RDONLY);
+ if (fd < 0)
+ goto out;
+
+ ssize_t len = read(fd, buf, buf_sz - 1);
+ if (len < 0)
+ goto out;
+
+ ret = buf[len] = 0;
+
+out:
+ if (fd >= 0)
+ close(fd);
+
+ return ret;
+}
+
+
+static const char *
+dev_sysctl_path(const char *prefix, const char *ifname, const char *file)
+{
+ snprintf(dev_buf, sizeof(dev_buf), "%s/sys/net/%s/%s/%s", proc_path, prefix, ifname, file);
+
+ return dev_buf;
+}
+
+static const char *
+dev_sysfs_path(const char *ifname, const char *file)
+{
+ snprintf(dev_buf, sizeof(dev_buf), "%s/class/net/%s/%s", sysfs_path, ifname, file);
+
+ return dev_buf;
+}
+
+static void
+system_set_dev_sysctl(const char *prefix, const char *file, const char *ifname,
+ const char *val)
+{
+ write_file(dev_sysctl_path(prefix, ifname, file), val);
+}
+
+static int
+system_get_dev_sysctl(const char *prefix, const char *file, const char *ifname,
+ char *buf, size_t buf_sz)
+{
+ return read_file(dev_sysctl_path(prefix, ifname, file), buf, buf_sz);
+}
+
+static void
+system_set_dev_sysfs(const char *file, const char *ifname, const char *val)
+{
+ if (!val)
+ return;
+
+ write_file(dev_sysfs_path(ifname, file), val);
+}
+
+static void
+system_set_dev_sysfs_int(const char *file, const char *ifname, int val)
+{
+ char buf[16];
+
+ snprintf(buf, sizeof(buf), "%d", val);
+ system_set_dev_sysfs(file, ifname, buf);
+}
+
+static int
+system_get_dev_sysfs(const char *file, const char *ifname, char *buf, size_t buf_sz)
{
- snprintf(dev_buf, sizeof(dev_buf), path, device);
- system_set_sysctl(dev_buf, val);
+ return read_file(dev_sysfs_path(ifname, file), buf, buf_sz);
}
static void system_set_disable_ipv6(struct device *dev, const char *val)
{
- system_set_dev_sysctl("/proc/sys/net/ipv6/conf/%s/disable_ipv6", dev->ifname, val);
+ system_set_dev_sysctl("ipv6/conf", "disable_ipv6", dev->ifname, val);
+}
+
+static void system_set_ip6segmentrouting(struct device *dev, const char *val)
+{
+ system_set_dev_sysctl("ipv6/conf", "seg6_enabled", dev->ifname, val);
}
static void system_set_rpfilter(struct device *dev, const char *val)
{
- system_set_dev_sysctl("/proc/sys/net/ipv4/conf/%s/rp_filter", dev->ifname, val);
+ system_set_dev_sysctl("ipv4/conf", "rp_filter", dev->ifname, val);
}
static void system_set_acceptlocal(struct device *dev, const char *val)
{
- system_set_dev_sysctl("/proc/sys/net/ipv4/conf/%s/accept_local", dev->ifname, val);
+ system_set_dev_sysctl("ipv4/conf", "accept_local", dev->ifname, val);
}
static void system_set_igmpversion(struct device *dev, const char *val)
{
- system_set_dev_sysctl("/proc/sys/net/ipv4/conf/%s/force_igmp_version", dev->ifname, val);
+ system_set_dev_sysctl("ipv4/conf", "force_igmp_version", dev->ifname, val);
}
static void system_set_mldversion(struct device *dev, const char *val)
{
- system_set_dev_sysctl("/proc/sys/net/ipv6/conf/%s/force_mld_version", dev->ifname, val);
+ system_set_dev_sysctl("ipv6/conf", "force_mld_version", dev->ifname, val);
}
static void system_set_neigh4reachabletime(struct device *dev, const char *val)
{
- system_set_dev_sysctl("/proc/sys/net/ipv4/neigh/%s/base_reachable_time_ms", dev->ifname, val);
+ system_set_dev_sysctl("ipv4/neigh", "base_reachable_time_ms", dev->ifname, val);
}
static void system_set_neigh6reachabletime(struct device *dev, const char *val)
{
- system_set_dev_sysctl("/proc/sys/net/ipv6/neigh/%s/base_reachable_time_ms", dev->ifname, val);
+ system_set_dev_sysctl("ipv6/neigh", "base_reachable_time_ms", dev->ifname, val);
}
static void system_set_neigh4gcstaletime(struct device *dev, const char *val)
{
- system_set_dev_sysctl("/proc/sys/net/ipv4/neigh/%s/gc_stale_time", dev->ifname, val);
+ system_set_dev_sysctl("ipv4/neigh", "gc_stale_time", dev->ifname, val);
}
static void system_set_neigh6gcstaletime(struct device *dev, const char *val)
{
- system_set_dev_sysctl("/proc/sys/net/ipv6/neigh/%s/gc_stale_time", dev->ifname, val);
+ system_set_dev_sysctl("ipv6/neigh", "gc_stale_time", dev->ifname, val);
}
static void system_set_neigh4locktime(struct device *dev, const char *val)
{
- system_set_dev_sysctl("/proc/sys/net/ipv4/neigh/%s/locktime", dev->ifname, val);
+ system_set_dev_sysctl("ipv4/neigh", "locktime", dev->ifname, val);
}
static void system_set_dadtransmits(struct device *dev, const char *val)
{
- system_set_dev_sysctl("/proc/sys/net/ipv6/conf/%s/dad_transmits", dev->ifname, val);
+ system_set_dev_sysctl("ipv6/conf", "dad_transmits", dev->ifname, val);
}
-static void system_bridge_set_multicast_to_unicast(struct device *dev, const char *val)
+static void system_set_sendredirects(struct device *dev, const char *val)
{
- system_set_dev_sysctl("/sys/class/net/%s/brport/multicast_to_unicast", dev->ifname, val);
+ system_set_dev_sysctl("ipv4/conf", "send_redirects", dev->ifname, val);
}
-static void system_bridge_set_multicast_fast_leave(struct device *dev, const char *val)
+static void system_set_drop_v4_unicast_in_l2_multicast(struct device *dev, const char *val)
{
- system_set_dev_sysctl("/sys/class/net/%s/brport/multicast_fast_leave", dev->ifname, val);
+ system_set_dev_sysctl("ipv4/conf", "drop_unicast_in_l2_multicast", dev->ifname, val);
}
-static void system_bridge_set_hairpin_mode(struct device *dev, const char *val)
+static void system_set_drop_v6_unicast_in_l2_multicast(struct device *dev, const char *val)
{
- system_set_dev_sysctl("/sys/class/net/%s/brport/hairpin_mode", dev->ifname, val);
+ system_set_dev_sysctl("ipv6/conf", "drop_unicast_in_l2_multicast", dev->ifname, val);
}
-static void system_bridge_set_multicast_router(struct device *dev, const char *val, bool bridge)
+static void system_set_drop_gratuitous_arp(struct device *dev, const char *val)
{
- system_set_dev_sysctl(bridge ? "/sys/class/net/%s/bridge/multicast_router" :
- "/sys/class/net/%s/brport/multicast_router",
- dev->ifname, val);
+ system_set_dev_sysctl("ipv4/conf", "drop_gratuitous_arp", dev->ifname, val);
}
-static void system_bridge_set_robustness(struct device *dev, const char *val)
+static void system_set_drop_unsolicited_na(struct device *dev, const char *val)
{
- system_set_dev_sysctl("/sys/devices/virtual/net/%s/bridge/multicast_startup_query_count",
- dev->ifname, val);
- system_set_dev_sysctl("/sys/devices/virtual/net/%s/bridge/multicast_last_member_count",
- dev->ifname, val);
+ system_set_dev_sysctl("ipv6/conf", "drop_unsolicited_na", dev->ifname, val);
}
-static void system_bridge_set_query_interval(struct device *dev, const char *val)
+static void system_set_arp_accept(struct device *dev, const char *val)
{
- system_set_dev_sysctl("/sys/devices/virtual/net/%s/bridge/multicast_query_interval",
- dev->ifname, val);
+ system_set_dev_sysctl("ipv4/conf", "arp_accept", dev->ifname, val);
}
-static void system_bridge_set_query_response_interval(struct device *dev, const char *val)
+static void system_bridge_set_multicast_to_unicast(struct device *dev, const char *val)
{
- system_set_dev_sysctl("/sys/devices/virtual/net/%s/bridge/multicast_query_response_interval",
- dev->ifname, val);
+ system_set_dev_sysfs("brport/multicast_to_unicast", dev->ifname, val);
}
-static void system_bridge_set_last_member_interval(struct device *dev, const char *val)
+static void system_bridge_set_multicast_fast_leave(struct device *dev, const char *val)
{
- system_set_dev_sysctl("/sys/devices/virtual/net/%s/bridge/multicast_last_member_interval",
- dev->ifname, val);
+ system_set_dev_sysfs("brport/multicast_fast_leave", dev->ifname, val);
}
-static void system_bridge_set_membership_interval(struct device *dev, const char *val)
+static void system_bridge_set_hairpin_mode(struct device *dev, const char *val)
{
- system_set_dev_sysctl("/sys/devices/virtual/net/%s/bridge/multicast_membership_interval",
- dev->ifname, val);
+ system_set_dev_sysfs("brport/hairpin_mode", dev->ifname, val);
}
-static void system_bridge_set_other_querier_timeout(struct device *dev, const char *val)
+static void system_bridge_set_proxyarp_wifi(struct device *dev, const char *val)
{
- system_set_dev_sysctl("/sys/devices/virtual/net/%s/bridge/multicast_querier_interval",
- dev->ifname, val);
+ system_set_dev_sysfs("brport/proxyarp_wifi", dev->ifname, val);
}
-static void system_bridge_set_startup_query_interval(struct device *dev, const char *val)
+static void system_bridge_set_bpdu_filter(struct device *dev, const char *val)
{
- system_set_dev_sysctl("/sys/devices/virtual/net/%s/bridge/multicast_startup_query_interval",
- dev->ifname, val);
+ system_set_dev_sysfs("brport/bpdu_filter", dev->ifname, val);
}
-static void system_bridge_set_learning(struct device *dev, const char *val)
+static void system_bridge_set_isolated(struct device *dev, const char *val)
{
- system_set_dev_sysctl("/sys/class/net/%s/brport/learning", dev->ifname, val);
+ system_set_dev_sysfs("brport/isolated", dev->ifname, val);
}
-static void system_bridge_set_unicast_flood(struct device *dev, const char *val)
+static void system_bridge_set_multicast_router(struct device *dev, const char *val)
{
- system_set_dev_sysctl("/sys/class/net/%s/brport/unicast_flood", dev->ifname, val);
+ system_set_dev_sysfs("brport/multicast_router", dev->ifname, val);
}
-static void system_set_sendredirects(struct device *dev, const char *val)
+void system_bridge_set_stp_state(struct device *dev, bool val)
{
- system_set_dev_sysctl("/proc/sys/net/ipv4/conf/%s/send_redirects", dev->ifname, val);
+ const char *valstr = val ? "1" : "0";
+
+ system_set_dev_sysfs("bridge/stp_state", dev->ifname, valstr);
}
-static int system_get_sysctl(const char *path, char *buf, const size_t buf_sz)
+static void system_bridge_set_learning(struct device *dev, const char *val)
{
- int fd = -1, ret = -1;
-
- fd = open(path, O_RDONLY);
- if (fd < 0)
- goto out;
-
- ssize_t len = read(fd, buf, buf_sz - 1);
- if (len < 0)
- goto out;
-
- ret = buf[len] = 0;
-
-out:
- if (fd >= 0)
- close(fd);
-
- return ret;
+ system_set_dev_sysfs("brport/learning", dev->ifname, val);
}
-static int
-system_get_dev_sysctl(const char *path, const char *device, char *buf, const size_t buf_sz)
+static void system_bridge_set_unicast_flood(struct device *dev, const char *val)
{
- snprintf(dev_buf, sizeof(dev_buf), path, device);
- return system_get_sysctl(dev_buf, buf, buf_sz);
+ system_set_dev_sysfs("brport/unicast_flood", dev->ifname, val);
}
static int system_get_disable_ipv6(struct device *dev, char *buf, const size_t buf_sz)
{
- return system_get_dev_sysctl("/proc/sys/net/ipv6/conf/%s/disable_ipv6",
- dev->ifname, buf, buf_sz);
+ return system_get_dev_sysctl("ipv6/conf", "disable_ipv6",
+ dev->ifname, buf, buf_sz);
+}
+
+static int system_get_ip6segmentrouting(struct device *dev, char *buf, const size_t buf_sz)
+{
+ return system_get_dev_sysctl("ipv6/conf", "seg6_enabled",
+ dev->ifname, buf, buf_sz);
}
static int system_get_rpfilter(struct device *dev, char *buf, const size_t buf_sz)
{
- return system_get_dev_sysctl("/proc/sys/net/ipv4/conf/%s/rp_filter",
- dev->ifname, buf, buf_sz);
+ return system_get_dev_sysctl("ipv4/conf", "rp_filter",
+ dev->ifname, buf, buf_sz);
}
static int system_get_acceptlocal(struct device *dev, char *buf, const size_t buf_sz)
{
- return system_get_dev_sysctl("/proc/sys/net/ipv4/conf/%s/accept_local",
- dev->ifname, buf, buf_sz);
+ return system_get_dev_sysctl("ipv4/conf", "accept_local",
+ dev->ifname, buf, buf_sz);
}
static int system_get_igmpversion(struct device *dev, char *buf, const size_t buf_sz)
{
- return system_get_dev_sysctl("/proc/sys/net/ipv4/conf/%s/force_igmp_version",
- dev->ifname, buf, buf_sz);
+ return system_get_dev_sysctl("ipv4/conf", "force_igmp_version",
+ dev->ifname, buf, buf_sz);
}
static int system_get_mldversion(struct device *dev, char *buf, const size_t buf_sz)
{
- return system_get_dev_sysctl("/proc/sys/net/ipv6/conf/%s/force_mld_version",
- dev->ifname, buf, buf_sz);
+ return system_get_dev_sysctl("ipv6/conf", "force_mld_version",
+ dev->ifname, buf, buf_sz);
}
static int system_get_neigh4reachabletime(struct device *dev, char *buf, const size_t buf_sz)
{
- return system_get_dev_sysctl("/proc/sys/net/ipv4/neigh/%s/base_reachable_time_ms",
- dev->ifname, buf, buf_sz);
+ return system_get_dev_sysctl("ipv4/neigh", "base_reachable_time_ms",
+ dev->ifname, buf, buf_sz);
}
static int system_get_neigh6reachabletime(struct device *dev, char *buf, const size_t buf_sz)
{
- return system_get_dev_sysctl("/proc/sys/net/ipv6/neigh/%s/base_reachable_time_ms",
- dev->ifname, buf, buf_sz);
+ return system_get_dev_sysctl("ipv6/neigh", "base_reachable_time_ms",
+ dev->ifname, buf, buf_sz);
}
static int system_get_neigh4gcstaletime(struct device *dev, char *buf, const size_t buf_sz)
{
- return system_get_dev_sysctl("/proc/sys/net/ipv4/neigh/%s/gc_stale_time",
- dev->ifname, buf, buf_sz);
+ return system_get_dev_sysctl("ipv4/neigh", "gc_stale_time",
+ dev->ifname, buf, buf_sz);
}
static int system_get_neigh6gcstaletime(struct device *dev, char *buf, const size_t buf_sz)
{
- return system_get_dev_sysctl("/proc/sys/net/ipv6/neigh/%s/gc_stale_time",
+ return system_get_dev_sysctl("ipv6/neigh", "gc_stale_time",
dev->ifname, buf, buf_sz);
}
static int system_get_neigh4locktime(struct device *dev, char *buf, const size_t buf_sz)
{
- return system_get_dev_sysctl("/proc/sys/net/ipv4/neigh/%s/locktime",
+ return system_get_dev_sysctl("ipv4/neigh", "locktime",
dev->ifname, buf, buf_sz);
}
static int system_get_dadtransmits(struct device *dev, char *buf, const size_t buf_sz)
{
- return system_get_dev_sysctl("/proc/sys/net/ipv6/conf/%s/dad_transmits",
+ return system_get_dev_sysctl("ipv6/conf", "dad_transmits",
dev->ifname, buf, buf_sz);
}
static int system_get_sendredirects(struct device *dev, char *buf, const size_t buf_sz)
{
- return system_get_dev_sysctl("/proc/sys/net/ipv4/conf/%s/send_redirects",
+ return system_get_dev_sysctl("ipv4/conf", "send_redirects",
+ dev->ifname, buf, buf_sz);
+}
+
+
+static int system_get_drop_v4_unicast_in_l2_multicast(struct device *dev, char *buf, const size_t buf_sz)
+{
+ return system_get_dev_sysctl("ipv4/conf", "drop_unicast_in_l2_multicast",
+ dev->ifname, buf, buf_sz);
+}
+
+static int system_get_drop_v6_unicast_in_l2_multicast(struct device *dev, char *buf, const size_t buf_sz)
+{
+ return system_get_dev_sysctl("ipv6/conf", "drop_unicast_in_l2_multicast",
+ dev->ifname, buf, buf_sz);
+}
+
+static int system_get_drop_gratuitous_arp(struct device *dev, char *buf, const size_t buf_sz)
+{
+ return system_get_dev_sysctl("ipv4/conf", "drop_gratuitous_arp",
+ dev->ifname, buf, buf_sz);
+}
+
+static int system_get_drop_unsolicited_na(struct device *dev, char *buf, const size_t buf_sz)
+{
+ return system_get_dev_sysctl("ipv6/conf", "drop_unsolicited_na",
dev->ifname, buf, buf_sz);
}
-// Evaluate netlink messages
+static int system_get_arp_accept(struct device *dev, char *buf, const size_t buf_sz)
+{
+ return system_get_dev_sysctl("ipv4/conf", "arp_accept",
+ dev->ifname, buf, buf_sz);
+}
+
+#ifndef IFF_LOWER_UP
+#define IFF_LOWER_UP 0x10000
+#endif
+
+static void
+system_device_update_state(struct device *dev, unsigned int flags, unsigned int ifindex)
+{
+ if (dev->type == &simple_device_type) {
+ if (dev->external)
+ device_set_disabled(dev, !(flags & IFF_UP));
+
+ device_set_present(dev, ifindex > 0);
+ }
+ device_set_link(dev, flags & IFF_LOWER_UP ? true : false);
+}
+
+/* Evaluate netlink messages */
static int cb_rtnl_event(struct nl_msg *msg, void *arg)
{
struct nlmsghdr *nh = nlmsg_hdr(msg);
+ struct ifinfomsg *ifi = NLMSG_DATA(nh);
struct nlattr *nla[__IFLA_MAX];
- int link_state = 0;
- char buf[10];
+ struct device *dev;
if (nh->nlmsg_type != RTM_NEWLINK)
- goto out;
+ return 0;
nlmsg_parse(nh, sizeof(struct ifinfomsg), nla, __IFLA_MAX - 1, NULL);
if (!nla[IFLA_IFNAME])
- goto out;
+ return 0;
- struct device *dev = device_find(nla_data(nla[IFLA_IFNAME]));
+ dev = device_find(nla_data(nla[IFLA_IFNAME]));
if (!dev)
- goto out;
-
- if (!system_get_dev_sysctl("/sys/class/net/%s/carrier", dev->ifname, buf, sizeof(buf)))
- link_state = strtoul(buf, NULL, 0);
-
- device_set_link(dev, link_state ? true : false);
+ return 0;
-out:
+ system_device_update_state(dev, ifi->ifi_flags, ifi->ifi_index);
return 0;
}
static void
handle_hotplug_msg(char *data, int size)
{
- const char *subsystem = NULL, *interface = NULL;
+ const char *subsystem = NULL, *interface = NULL, *interface_old = NULL;
char *cur, *end, *sep;
- struct device *dev;
int skip;
bool add;
- if (!strncmp(data, "add@", 4))
+ if (!strncmp(data, "add@", 4) || !strncmp(data, "move@", 5))
add = true;
else if (!strncmp(data, "remove@", 7))
add = false;
subsystem = sep + 1;
if (strcmp(subsystem, "net") != 0)
return;
+ } else if (!strcmp(cur, "DEVPATH_OLD")) {
+ interface_old = strrchr(sep + 1, '/');
+ if (interface_old)
+ interface_old++;
}
- if (subsystem && interface)
- goto found;
}
- return;
-found:
- dev = device_find(interface);
- if (!dev)
- return;
-
- if (dev->type != &simple_device_type)
+ if (!subsystem || !interface)
return;
- if (add && system_if_force_external(dev->ifname))
- return;
+ if (interface_old)
+ device_hotplug_event(interface_old, false);
- device_set_present(dev, add);
+ device_hotplug_event(interface, add);
}
static void
free(buf);
}
+
+ switch (-size) {
+ case 0:
+ return;
+
+ case NLE_NOMEM:
+ /* Increase rx buffer size on netlink socket */
+ ev->bufsize *= 2;
+ if (nl_socket_set_buffer_size(ev->sock, ev->bufsize, 0))
+ goto abort;
+ break;
+
+ default:
+ goto abort;
+ }
+ return;
+
+abort:
+ uloop_fd_delete(&ev->uloop);
+ return;
}
static int system_rtnl_call(struct nl_msg *msg)
return nl_wait_for_ack(sock_rtnl);
}
+static struct nl_msg *__system_ifinfo_msg(int af, int index, const char *ifname, uint16_t type, uint16_t flags)
+{
+ struct nl_msg *msg;
+ struct ifinfomsg iim = {
+ .ifi_family = af,
+ .ifi_index = index,
+ };
+
+ msg = nlmsg_alloc_simple(type, flags | NLM_F_REQUEST);
+ if (!msg)
+ return NULL;
+
+ nlmsg_append(msg, &iim, sizeof(iim), 0);
+ if (ifname)
+ nla_put_string(msg, IFLA_IFNAME, ifname);
+
+ return msg;
+}
+
+static struct nl_msg *system_ifinfo_msg(const char *ifname, uint16_t type, uint16_t flags)
+{
+ return __system_ifinfo_msg(AF_UNSPEC, 0, ifname, type, flags);
+}
+
+static int system_link_del(const char *ifname)
+{
+ struct nl_msg *msg;
+
+ msg = system_ifinfo_msg(ifname, RTM_DELLINK, 0);
+ if (!msg)
+ return -1;
+
+ return system_rtnl_call(msg);
+}
+
int system_bridge_delbr(struct device *bridge)
{
- return ioctl(sock_ioctl, SIOCBRDELBR, bridge->ifname);
+ return system_link_del(bridge->ifname);
}
static int system_bridge_if(const char *bridge, struct device *dev, int cmd, void *data)
ifr.ifr_ifindex = dev->ifindex;
else
ifr.ifr_data = data;
- strncpy(ifr.ifr_name, bridge, sizeof(ifr.ifr_name));
+ strncpy(ifr.ifr_name, bridge, sizeof(ifr.ifr_name) - 1);
return ioctl(sock_ioctl, cmd, &ifr);
}
-static bool system_is_bridge(const char *name, char *buf, int buflen)
+static bool system_is_bridge(const char *name)
{
struct stat st;
- snprintf(buf, buflen, "/sys/devices/virtual/net/%s/bridge", name);
- if (stat(buf, &st) < 0)
- return false;
-
- return true;
+ return stat(dev_sysfs_path(name, "bridge"), &st) >= 0;
}
static char *system_get_bridge(const char *name, char *buf, int buflen)
ssize_t len = -1;
glob_t gl;
- snprintf(buf, buflen, "/sys/devices/virtual/net/*/brif/%s/bridge", name);
+ snprintf(buf, buflen, "%s/devices/virtual/net/*/brif/%s/bridge", sysfs_path, name);
if (glob(buf, GLOB_NOSORT, NULL, &gl) < 0)
return NULL;
system_bridge_set_wireless(struct device *bridge, struct device *dev)
{
bool mcast_to_ucast = dev->wireless_ap;
- bool hairpin = true;
+ bool hairpin;
- if (bridge->settings.flags & DEV_OPT_MULTICAST_TO_UNICAST &&
- !bridge->settings.multicast_to_unicast)
+ if (dev->settings.flags & DEV_OPT_MULTICAST_TO_UNICAST)
+ mcast_to_ucast = dev->settings.multicast_to_unicast;
+ else if (bridge->settings.flags & DEV_OPT_MULTICAST_TO_UNICAST &&
+ !bridge->settings.multicast_to_unicast)
mcast_to_ucast = false;
- if (!mcast_to_ucast || dev->wireless_isolate)
+ hairpin = mcast_to_ucast || dev->wireless_proxyarp;
+ if (dev->wireless_isolate)
hairpin = false;
system_bridge_set_multicast_to_unicast(dev, mcast_to_ucast ? "1" : "0");
system_bridge_set_hairpin_mode(dev, hairpin ? "1" : "0");
+ system_bridge_set_proxyarp_wifi(dev, dev->wireless_proxyarp ? "1" : "0");
}
int system_bridge_addif(struct device *bridge, struct device *dev)
{
char buf[64];
char *oldbr;
- int ret = 0;
+ int tries = 0;
+ int ret;
+
+
+ for (tries = 0; tries < 3; tries++) {
+ ret = 0;
+ oldbr = system_get_bridge(dev->ifname, dev_buf, sizeof(dev_buf));
+ if (oldbr && !strcmp(oldbr, bridge->ifname))
+ break;
- oldbr = system_get_bridge(dev->ifname, dev_buf, sizeof(dev_buf));
- if (!oldbr || strcmp(oldbr, bridge->ifname) != 0)
ret = system_bridge_if(bridge->ifname, dev, SIOCBRADDIF, NULL);
+ if (!ret)
+ break;
+
+ D(SYSTEM, "Failed to add device '%s' to bridge '%s' (tries=%d): %s",
+ dev->ifname, bridge->ifname, tries, strerror(errno));
+ }
if (dev->wireless)
system_bridge_set_wireless(bridge, dev);
if (dev->settings.flags & DEV_OPT_MULTICAST_ROUTER) {
snprintf(buf, sizeof(buf), "%u", dev->settings.multicast_router);
- system_bridge_set_multicast_router(dev, buf, false);
+ system_bridge_set_multicast_router(dev, buf);
}
if (dev->settings.flags & DEV_OPT_MULTICAST_FAST_LEAVE &&
!dev->settings.unicast_flood)
system_bridge_set_unicast_flood(dev, "0");
+ if (dev->settings.flags & DEV_OPT_ISOLATE &&
+ dev->settings.isolate)
+ system_bridge_set_isolated(dev, "1");
+
+ if (dev->bpdu_filter)
+ system_bridge_set_bpdu_filter(dev, dev->bpdu_filter ? "1" : "0");
+
return ret;
}
return system_bridge_if(bridge->ifname, dev, SIOCBRDELIF, NULL);
}
-int system_if_resolve(struct device *dev)
+int system_bridge_vlan(const char *iface, uint16_t vid, int16_t vid_end, bool add, unsigned int vflags)
{
- struct ifreq ifr;
- strncpy(ifr.ifr_name, dev->ifname, sizeof(ifr.ifr_name));
- if (!ioctl(sock_ioctl, SIOCGIFINDEX, &ifr))
- return ifr.ifr_ifindex;
- else
- return 0;
-}
+ struct bridge_vlan_info vinfo = { .vid = vid, };
+ unsigned short flags = 0;
+ struct nlattr *afspec;
+ struct nl_msg *nlm;
+ int index;
+ int ret = 0;
-static int system_if_flags(const char *ifname, unsigned add, unsigned rem)
-{
- struct ifreq ifr;
+ index = if_nametoindex(iface);
+ if (!index)
+ return -1;
- memset(&ifr, 0, sizeof(ifr));
- strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
- ioctl(sock_ioctl, SIOCGIFFLAGS, &ifr);
- ifr.ifr_flags |= add;
- ifr.ifr_flags &= ~rem;
- return ioctl(sock_ioctl, SIOCSIFFLAGS, &ifr);
-}
+ nlm = __system_ifinfo_msg(PF_BRIDGE, index, NULL, add ? RTM_SETLINK : RTM_DELLINK, 0);
+ if (!nlm)
+ return -1;
-struct clear_data {
- struct nl_msg *msg;
- struct device *dev;
- int type;
- int size;
- int af;
+ if (vflags & BRVLAN_F_SELF)
+ flags |= BRIDGE_FLAGS_SELF;
+
+ if (vflags & BRVLAN_F_PVID)
+ vinfo.flags |= BRIDGE_VLAN_INFO_PVID;
+
+ if (vflags & BRVLAN_F_UNTAGGED)
+ vinfo.flags |= BRIDGE_VLAN_INFO_UNTAGGED;
+
+ afspec = nla_nest_start(nlm, IFLA_AF_SPEC);
+ if (!afspec) {
+ ret = -ENOMEM;
+ goto failure;
+ }
+
+ if (flags)
+ nla_put_u16(nlm, IFLA_BRIDGE_FLAGS, flags);
+
+ if (vid_end > vid)
+ vinfo.flags |= BRIDGE_VLAN_INFO_RANGE_BEGIN;
+
+ nla_put(nlm, IFLA_BRIDGE_VLAN_INFO, sizeof(vinfo), &vinfo);
+
+ if (vid_end > vid) {
+ vinfo.flags &= ~BRIDGE_VLAN_INFO_RANGE_BEGIN;
+ vinfo.flags |= BRIDGE_VLAN_INFO_RANGE_END;
+ vinfo.vid = vid_end;
+ nla_put(nlm, IFLA_BRIDGE_VLAN_INFO, sizeof(vinfo), &vinfo);
+ }
+
+ nla_nest_end(nlm, afspec);
+
+ return system_rtnl_call(nlm);
+
+failure:
+ nlmsg_free(nlm);
+ return ret;
+}
+
+int system_bonding_set_device(struct device *dev, struct bonding_config *cfg)
+{
+ const char *ifname = dev->ifname;
+ struct blob_attr *cur;
+ char op = cfg ? '+' : '-';
+ char buf[64];
+ size_t rem;
+
+ snprintf(dev_buf, sizeof(dev_buf), "%s/class/net/bonding_masters", sysfs_path);
+ snprintf(buf, sizeof(buf), "%c%s", op, ifname);
+ write_file(dev_buf, buf);
+
+ if (!cfg)
+ return 0;
+
+ system_set_dev_sysfs("bonding/mode", ifname, bonding_policy_str[cfg->policy]);
+
+ system_set_dev_sysfs_int("bonding/all_ports_active", ifname, cfg->all_ports_active);
+
+ if (cfg->policy == BONDING_MODE_BALANCE_XOR ||
+ cfg->policy == BONDING_MODE_BALANCE_TLB ||
+ cfg->policy == BONDING_MODE_8023AD)
+ system_set_dev_sysfs("bonding/xmit_hash_policy", ifname, cfg->xmit_hash_policy);
+
+ if (cfg->policy == BONDING_MODE_8023AD) {
+ system_set_dev_sysfs("bonding/ad_actor_system", ifname, cfg->ad_actor_system);
+ system_set_dev_sysfs_int("bonding/ad_actor_sys_prio", ifname, cfg->ad_actor_sys_prio);
+ system_set_dev_sysfs("bonding/ad_select", ifname, cfg->ad_select);
+ system_set_dev_sysfs("bonding/lacp_rate", ifname, cfg->lacp_rate);
+ system_set_dev_sysfs_int("bonding/min_links", ifname, cfg->min_links);
+ }
+
+ if (cfg->policy == BONDING_MODE_BALANCE_RR)
+ system_set_dev_sysfs_int("bonding/packets_per_slave", ifname, cfg->packets_per_port);
+
+ if (cfg->policy == BONDING_MODE_BALANCE_TLB ||
+ cfg->policy == BONDING_MODE_BALANCE_ALB)
+ system_set_dev_sysfs_int("bonding/lp_interval", ifname, cfg->lp_interval);
+
+ if (cfg->policy == BONDING_MODE_BALANCE_TLB)
+ system_set_dev_sysfs_int("bonding/tlb_dynamic_lb", ifname, cfg->dynamic_lb);
+ system_set_dev_sysfs_int("bonding/resend_igmp", ifname, cfg->resend_igmp);
+ system_set_dev_sysfs_int("bonding/num_grat_arp", ifname, cfg->num_peer_notif);
+ system_set_dev_sysfs("bonding/primary_reselect", ifname, cfg->primary_reselect);
+ system_set_dev_sysfs("bonding/fail_over_mac", ifname, cfg->failover_mac);
+
+ system_set_dev_sysfs_int((cfg->monitor_arp ?
+ "bonding/arp_interval" :
+ "bonding/miimon"), ifname, cfg->monitor_interval);
+
+ blobmsg_for_each_attr(cur, cfg->arp_target, rem) {
+ snprintf(buf, sizeof(buf), "+%s", blobmsg_get_string(cur));
+ system_set_dev_sysfs("bonding/arp_ip_target", ifname, buf);
+ }
+
+ system_set_dev_sysfs_int("bonding/arp_all_targets", ifname, cfg->arp_all_targets);
+ if (cfg->policy < BONDING_MODE_8023AD)
+ system_set_dev_sysfs("bonding/arp_validate", ifname, cfg->arp_validate);
+ system_set_dev_sysfs_int("bonding/use_carrier", ifname, cfg->use_carrier);
+ if (!cfg->monitor_arp && cfg->monitor_interval) {
+ system_set_dev_sysfs_int("bonding/updelay", ifname, cfg->updelay);
+ system_set_dev_sysfs_int("bonding/downdelay", ifname, cfg->downdelay);
+ }
+
+ return 0;
+}
+
+int system_bonding_set_port(struct device *dev, struct device *port, bool add, bool primary)
+{
+ const char *port_name = port->ifname;
+ const char op_ch = add ? '+' : '-';
+ char buf[IFNAMSIZ + 1];
+
+ snprintf(buf, sizeof(buf), "%c%s", op_ch, port_name);
+ system_if_down(port);
+ system_set_dev_sysfs("bonding/slaves", dev->ifname, buf);
+ system_if_up(port);
+
+ if (primary)
+ system_set_dev_sysfs("bonding/primary", dev->ifname,
+ add ? port_name : "");
+
+ return 0;
+}
+
+int system_if_resolve(struct device *dev)
+{
+ struct ifreq ifr;
+
+ memset(&ifr, 0, sizeof(ifr));
+ strncpy(ifr.ifr_name, dev->ifname, sizeof(ifr.ifr_name) - 1);
+ if (!ioctl(sock_ioctl, SIOCGIFINDEX, &ifr))
+ return ifr.ifr_ifindex;
+ else
+ return 0;
+}
+
+static int system_if_flags(const char *ifname, unsigned add, unsigned rem)
+{
+ struct ifreq ifr;
+
+ memset(&ifr, 0, sizeof(ifr));
+ strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name) - 1);
+ if (ioctl(sock_ioctl, SIOCGIFFLAGS, &ifr) < 0)
+ return -1;
+
+ ifr.ifr_flags |= add;
+ ifr.ifr_flags &= ~rem;
+ return ioctl(sock_ioctl, SIOCSIFFLAGS, &ifr);
+}
+
+struct clear_data {
+ struct nl_msg *msg;
+ struct device *dev;
+ int type;
+ int size;
+ int af;
};
{
struct ifaddrmsg *ifa = NLMSG_DATA(hdr);
- return ifa->ifa_index == ifindex;
+ return (long)ifa->ifa_index == ifindex;
}
static bool check_route(struct nlmsghdr *hdr, int ifindex)
struct clear_data *clr = arg;
struct nlmsghdr *hdr = nlmsg_hdr(msg);
bool (*cb)(struct nlmsghdr *, int ifindex);
- int type;
+ int type, ret;
switch(clr->type) {
case RTM_GETADDR:
return NL_SKIP;
if (type == RTM_DELRULE)
- D(SYSTEM, "Remove a rule\n");
+ D(SYSTEM, "Remove a rule");
else
- D(SYSTEM, "Remove %s from device %s\n",
+ D(SYSTEM, "Remove %s from device %s",
type == RTM_DELADDR ? "an address" : "a route",
clr->dev->ifname);
+
memcpy(nlmsg_hdr(clr->msg), hdr, hdr->nlmsg_len);
hdr = nlmsg_hdr(clr->msg);
hdr->nlmsg_type = type;
hdr->nlmsg_flags = NLM_F_REQUEST;
nl_socket_disable_auto_ack(sock_rtnl);
- nl_send_auto_complete(sock_rtnl, clr->msg);
+ ret = nl_send_auto_complete(sock_rtnl, clr->msg);
+ if (ret < 0) {
+ if (type == RTM_DELRULE)
+ D(SYSTEM, "Error deleting a rule: %d", ret);
+ else
+ D(SYSTEM, "Error deleting %s from device '%s': %d",
+ type == RTM_DELADDR ? "an address" : "a route",
+ clr->dev->ifname, ret);
+ }
+
nl_socket_enable_auto_ack(sock_rtnl);
return NL_SKIP;
system_if_clear_entries(struct device *dev, int type, int af)
{
struct clear_data clr;
- struct nl_cb *cb = nl_cb_alloc(NL_CB_DEFAULT);
+ struct nl_cb *cb;
struct rtmsg rtm = {
.rtm_family = af,
.rtm_flags = RTM_F_CLONED,
return;
}
+ cb = nl_cb_alloc(NL_CB_DEFAULT);
if (!cb)
return;
nl_cb_set(cb, NL_CB_FINISH, NL_CB_CUSTOM, cb_finish_event, &pending);
nl_cb_err(cb, NL_CB_CUSTOM, error_handler, &pending);
- nl_send_auto_complete(sock_rtnl, clr.msg);
+ if (nl_send_auto_complete(sock_rtnl, clr.msg) < 0)
+ goto free;
+
while (pending > 0)
nl_recvmsgs(sock_rtnl, cb);
+free:
nlmsg_free(clr.msg);
out:
nl_cb_put(cb);
{
static char buf[256];
char *bridge;
-
device_set_ifindex(dev, system_if_resolve(dev));
+
if (dev->external || !dev->ifindex)
return;
system_if_flags(dev->ifname, 0, IFF_UP);
- if (system_is_bridge(dev->ifname, buf, sizeof(buf))) {
- D(SYSTEM, "Delete existing bridge named '%s'\n", dev->ifname);
+ if (system_is_bridge(dev->ifname)) {
+ D(SYSTEM, "Delete existing bridge named '%s'", dev->ifname);
system_bridge_delbr(dev);
return;
}
bridge = system_get_bridge(dev->ifname, buf, sizeof(buf));
if (bridge) {
- D(SYSTEM, "Remove device '%s' from bridge '%s'\n", dev->ifname, bridge);
+ D(SYSTEM, "Remove device '%s' from bridge '%s'", dev->ifname, bridge);
system_bridge_if(bridge, dev, SIOCBRDELIF, NULL);
}
system_if_clear_entries(dev, RTM_GETADDR, AF_INET);
system_if_clear_entries(dev, RTM_GETROUTE, AF_INET6);
system_if_clear_entries(dev, RTM_GETADDR, AF_INET6);
+ system_if_clear_entries(dev, RTM_GETNEIGH, AF_INET);
+ system_if_clear_entries(dev, RTM_GETNEIGH, AF_INET6);
system_set_disable_ipv6(dev, "0");
}
return (unsigned long) val * 100;
}
-static void system_bridge_conf_multicast_deps(struct device *bridge,
- struct bridge_config *cfg,
- char *buf,
- int buf_len)
+int system_bridge_addbr(struct device *bridge, struct bridge_config *cfg)
{
- int val;
-
- if (cfg->flags & BRIDGE_OPT_ROBUSTNESS ||
- cfg->flags & BRIDGE_OPT_QUERY_INTERVAL ||
- cfg->flags & BRIDGE_OPT_QUERY_RESPONSE_INTERVAL) {
- val = cfg->robustness * cfg->query_interval +
- cfg->query_response_interval;
-
- snprintf(buf, buf_len, "%i", val);
- system_bridge_set_membership_interval(bridge, buf);
-
- val = cfg->robustness * cfg->query_interval +
- cfg->query_response_interval / 2;
-
- snprintf(buf, buf_len, "%i", val);
- system_bridge_set_other_querier_timeout(bridge, buf);
- }
+ struct nlattr *linkinfo, *data;
+ struct nl_msg *msg;
+ uint64_t val;
+ int rv;
- if (cfg->flags & BRIDGE_OPT_QUERY_INTERVAL) {
- val = cfg->query_interval / 4;
+ msg = system_ifinfo_msg(bridge->ifname, RTM_NEWLINK, NLM_F_CREATE | NLM_F_EXCL);
+ if (!msg)
+ return -1;
- snprintf(buf, buf_len, "%i", val);
- system_bridge_set_startup_query_interval(bridge, buf);
- }
-}
+ if (!(linkinfo = nla_nest_start(msg, IFLA_LINKINFO)))
+ goto nla_put_failure;
-static void system_bridge_conf_multicast(struct device *bridge,
- struct bridge_config *cfg,
- char *buf,
- int buf_len)
-{
- system_set_dev_sysctl("/sys/devices/virtual/net/%s/bridge/multicast_snooping",
- bridge->ifname, cfg->igmp_snoop ? "1" : "0");
+ nla_put_string(msg, IFLA_INFO_KIND, "bridge");
- system_set_dev_sysctl("/sys/devices/virtual/net/%s/bridge/multicast_querier",
- bridge->ifname, cfg->multicast_querier ? "1" : "0");
+ if (!(data = nla_nest_start(msg, IFLA_INFO_DATA)))
+ goto nla_put_failure;
- snprintf(buf, buf_len, "%i", cfg->hash_max);
- system_set_dev_sysctl("/sys/devices/virtual/net/%s/bridge/hash_max",
- bridge->ifname, buf);
+ nla_put_u32(msg, IFLA_BR_STP_STATE, cfg->stp);
+ nla_put_u32(msg, IFLA_BR_FORWARD_DELAY, sec_to_jiffies(cfg->forward_delay));
+ nla_put_u8(msg, IFLA_BR_MCAST_SNOOPING, !!cfg->igmp_snoop);
+ nla_put_u8(msg, IFLA_BR_MCAST_QUERIER, !!cfg->multicast_querier);
+ nla_put_u32(msg, IFLA_BR_MCAST_HASH_MAX, cfg->hash_max);
- if (bridge->settings.flags & DEV_OPT_MULTICAST_ROUTER) {
- snprintf(buf, buf_len, "%u", bridge->settings.multicast_router);
- system_bridge_set_multicast_router(bridge, buf, true);
- }
+ if (bridge->settings.flags & DEV_OPT_MULTICAST_ROUTER)
+ nla_put_u8(msg, IFLA_BR_MCAST_ROUTER, !!bridge->settings.multicast_router);
if (cfg->flags & BRIDGE_OPT_ROBUSTNESS) {
- snprintf(buf, buf_len, "%i", cfg->robustness);
- system_bridge_set_robustness(bridge, buf);
+ nla_put_u32(msg, IFLA_BR_MCAST_STARTUP_QUERY_CNT, cfg->robustness);
+ nla_put_u32(msg, IFLA_BR_MCAST_LAST_MEMBER_CNT, cfg->robustness);
}
- if (cfg->flags & BRIDGE_OPT_QUERY_INTERVAL) {
- snprintf(buf, buf_len, "%i", cfg->query_interval);
- system_bridge_set_query_interval(bridge, buf);
- }
+ if (cfg->flags & BRIDGE_OPT_QUERY_INTERVAL)
+ nla_put_u64(msg, IFLA_BR_MCAST_QUERY_INTVL, cfg->query_interval);
- if (cfg->flags & BRIDGE_OPT_QUERY_RESPONSE_INTERVAL) {
- snprintf(buf, buf_len, "%i", cfg->query_response_interval);
- system_bridge_set_query_response_interval(bridge, buf);
- }
+ if (cfg->flags & BRIDGE_OPT_QUERY_RESPONSE_INTERVAL)
+ nla_put_u64(msg, IFLA_BR_MCAST_QUERY_RESPONSE_INTVL, cfg->query_response_interval);
- if (cfg->flags & BRIDGE_OPT_LAST_MEMBER_INTERVAL) {
- snprintf(buf, buf_len, "%i", cfg->last_member_interval);
- system_bridge_set_last_member_interval(bridge, buf);
- }
+ if (cfg->flags & BRIDGE_OPT_LAST_MEMBER_INTERVAL)
+ nla_put_u64(msg, IFLA_BR_MCAST_LAST_MEMBER_INTVL, cfg->last_member_interval);
- system_bridge_conf_multicast_deps(bridge, cfg, buf, buf_len);
-}
+ if (cfg->flags & BRIDGE_OPT_ROBUSTNESS ||
+ cfg->flags & BRIDGE_OPT_QUERY_INTERVAL ||
+ cfg->flags & BRIDGE_OPT_QUERY_RESPONSE_INTERVAL) {
+ val = cfg->robustness * cfg->query_interval +
+ cfg->query_response_interval;
-int system_bridge_addbr(struct device *bridge, struct bridge_config *cfg)
-{
- char buf[64];
- unsigned long args[4] = {};
+ nla_put_u64(msg, IFLA_BR_MCAST_MEMBERSHIP_INTVL, val);
- if (ioctl(sock_ioctl, SIOCBRADDBR, bridge->ifname) < 0)
- return -1;
+ val -= cfg->query_response_interval / 2;
- args[0] = BRCTL_SET_BRIDGE_STP_STATE;
- args[1] = !!cfg->stp;
- system_bridge_if(bridge->ifname, NULL, SIOCDEVPRIVATE, &args);
+ nla_put_u64(msg, IFLA_BR_MCAST_QUERIER_INTVL, val);
+ }
- args[0] = BRCTL_SET_BRIDGE_FORWARD_DELAY;
- args[1] = sec_to_jiffies(cfg->forward_delay);
- system_bridge_if(bridge->ifname, NULL, SIOCDEVPRIVATE, &args);
+ if (cfg->flags & BRIDGE_OPT_QUERY_INTERVAL) {
+ val = cfg->query_interval / 4;
- system_bridge_conf_multicast(bridge, cfg, buf, sizeof(buf));
+ nla_put_u64(msg, IFLA_BR_MCAST_STARTUP_QUERY_INTVL, val);
+ }
- args[0] = BRCTL_SET_BRIDGE_PRIORITY;
- args[1] = cfg->priority;
- system_bridge_if(bridge->ifname, NULL, SIOCDEVPRIVATE, &args);
+ nla_put_u8(msg, IFLA_BR_VLAN_FILTERING, !!cfg->vlan_filtering);
+ nla_put_u16(msg, IFLA_BR_PRIORITY, cfg->priority);
+ nla_put_u32(msg, IFLA_BR_HELLO_TIME, sec_to_jiffies(cfg->hello_time));
+ nla_put_u32(msg, IFLA_BR_MAX_AGE, sec_to_jiffies(cfg->max_age));
- if (cfg->flags & BRIDGE_OPT_AGEING_TIME) {
- args[0] = BRCTL_SET_AGEING_TIME;
- args[1] = sec_to_jiffies(cfg->ageing_time);
- system_bridge_if(bridge->ifname, NULL, SIOCDEVPRIVATE, &args);
- }
+ if (cfg->flags & BRIDGE_OPT_AGEING_TIME)
+ nla_put_u32(msg, IFLA_BR_AGEING_TIME, sec_to_jiffies(cfg->ageing_time));
- if (cfg->flags & BRIDGE_OPT_HELLO_TIME) {
- args[0] = BRCTL_SET_BRIDGE_HELLO_TIME;
- args[1] = sec_to_jiffies(cfg->hello_time);
- system_bridge_if(bridge->ifname, NULL, SIOCDEVPRIVATE, &args);
- }
+ nla_nest_end(msg, data);
+ nla_nest_end(msg, linkinfo);
- if (cfg->flags & BRIDGE_OPT_MAX_AGE) {
- args[0] = BRCTL_SET_BRIDGE_MAX_AGE;
- args[1] = sec_to_jiffies(cfg->max_age);
- system_bridge_if(bridge->ifname, NULL, SIOCDEVPRIVATE, &args);
- }
+ rv = system_rtnl_call(msg);
+ if (rv)
+ D(SYSTEM, "Error adding bridge '%s': %d", bridge->ifname, rv);
- return 0;
+ return rv;
+
+nla_put_failure:
+ nlmsg_free(msg);
+ return -ENOMEM;
}
int system_macvlan_add(struct device *macvlan, struct device *dev, struct macvlan_config *cfg)
{
struct nl_msg *msg;
struct nlattr *linkinfo, *data;
- struct ifinfomsg iim = { .ifi_family = AF_UNSPEC, };
- int i, rv;
+ size_t i;
+ int rv;
static const struct {
const char *name;
enum macvlan_mode val;
{ "passthru", MACVLAN_MODE_PASSTHRU },
};
- msg = nlmsg_alloc_simple(RTM_NEWLINK, NLM_F_REQUEST | NLM_F_CREATE | NLM_F_EXCL);
-
+ msg = system_ifinfo_msg(macvlan->ifname, RTM_NEWLINK, NLM_F_CREATE | NLM_F_EXCL);
if (!msg)
return -1;
- nlmsg_append(msg, &iim, sizeof(iim), 0);
-
if (cfg->flags & MACVLAN_OPT_MACADDR)
nla_put(msg, IFLA_ADDRESS, sizeof(cfg->macaddr), cfg->macaddr);
- nla_put_string(msg, IFLA_IFNAME, macvlan->ifname);
nla_put_u32(msg, IFLA_LINK, dev->ifindex);
if (!(linkinfo = nla_nest_start(msg, IFLA_LINKINFO)))
rv = system_rtnl_call(msg);
if (rv)
- D(SYSTEM, "Error adding macvlan '%s' over '%s': %d\n", macvlan->ifname, dev->ifname, rv);
+ D(SYSTEM, "Error adding macvlan '%s' over '%s': %d", macvlan->ifname, dev->ifname, rv);
return rv;
return -ENOMEM;
}
-static int system_link_del(const char *ifname)
+int system_link_netns_move(struct device *dev, int netns_fd, const char *target_ifname)
{
struct nl_msg *msg;
- struct ifinfomsg iim = {
- .ifi_family = AF_UNSPEC,
- .ifi_index = 0,
- };
+ int index;
- msg = nlmsg_alloc_simple(RTM_DELLINK, NLM_F_REQUEST);
+ if (!dev)
+ return -1;
+ index = system_if_resolve(dev);
+ msg = __system_ifinfo_msg(AF_UNSPEC, index, target_ifname, RTM_NEWLINK, 0);
if (!msg)
return -1;
- nlmsg_append(msg, &iim, sizeof(iim), 0);
- nla_put_string(msg, IFLA_IFNAME, ifname);
+ nla_put_u32(msg, IFLA_NET_NS_FD, netns_fd);
return system_rtnl_call(msg);
}
return system_link_del(macvlan->ifname);
}
+int system_netns_open(const pid_t target_ns)
+{
+ char pid_net_path[PATH_MAX];
+
+ snprintf(pid_net_path, sizeof(pid_net_path), "/proc/%u/ns/net", target_ns);
+
+ return open(pid_net_path, O_RDONLY);
+}
+
+int system_netns_set(int netns_fd)
+{
+ return setns(netns_fd, CLONE_NEWNET);
+}
+
int system_veth_add(struct device *veth, struct veth_config *cfg)
{
struct nl_msg *msg;
- struct ifinfomsg empty_iim = {};
+ struct ifinfomsg empty_iim = {0,};
struct nlattr *linkinfo, *data, *veth_info;
int rv;
rv = system_rtnl_call(msg);
if (rv) {
if (cfg->flags & VETH_OPT_PEER_NAME)
- D(SYSTEM, "Error adding veth '%s' with peer '%s': %d\n", veth->ifname, cfg->peer_name, rv);
+ D(SYSTEM, "Error adding veth '%s' with peer '%s': %d", veth->ifname, cfg->peer_name, rv);
else
- D(SYSTEM, "Error adding veth '%s': %d\n", veth->ifname, rv);
+ D(SYSTEM, "Error adding veth '%s': %d", veth->ifname, rv);
}
return rv;
.u.name_type = VLAN_NAME_TYPE_RAW_PLUS_VID_NO_PAD,
};
- ioctl(sock_ioctl, SIOCSIFVLAN, &ifr);
+ if (ioctl(sock_ioctl, SIOCSIFVLAN, &ifr) < 0)
+ return -1;
if (id < 0) {
ifr.cmd = DEL_VLAN_CMD;
int system_vlandev_add(struct device *vlandev, struct device *dev, struct vlandev_config *cfg)
{
struct nl_msg *msg;
- struct nlattr *linkinfo, *data;
+ struct nlattr *linkinfo, *data, *qos;
struct ifinfomsg iim = { .ifi_family = AF_UNSPEC };
+ struct vlan_qos_mapping *elem;
+ struct ifla_vlan_qos_mapping nl_qos_map;
int rv;
msg = nlmsg_alloc_simple(RTM_NEWLINK, NLM_F_REQUEST | NLM_F_CREATE | NLM_F_EXCL);
netifd_log_message(L_WARNING, "%s Your kernel is older than linux 3.10.0, 802.1ad is not supported defaulting to 802.1q", vlandev->type->name);
#endif
+ if (!(qos = nla_nest_start(msg, IFLA_VLAN_INGRESS_QOS)))
+ goto nla_put_failure;
+
+ vlist_simple_for_each_element(&cfg->ingress_qos_mapping_list, elem, node) {
+ nl_qos_map.from = elem->from;
+ nl_qos_map.to = elem->to;
+ nla_put(msg, IFLA_VLAN_QOS_MAPPING, sizeof(nl_qos_map), &nl_qos_map);
+ }
+ nla_nest_end(msg, qos);
+
+ if (!(qos = nla_nest_start(msg, IFLA_VLAN_EGRESS_QOS)))
+ goto nla_put_failure;
+
+ vlist_simple_for_each_element(&cfg->egress_qos_mapping_list, elem, node) {
+ nl_qos_map.from = elem->from;
+ nl_qos_map.to = elem->to;
+ nla_put(msg, IFLA_VLAN_QOS_MAPPING, sizeof(nl_qos_map), &nl_qos_map);
+ }
+ nla_nest_end(msg, qos);
+
nla_nest_end(msg, data);
nla_nest_end(msg, linkinfo);
rv = system_rtnl_call(msg);
if (rv)
- D(SYSTEM, "Error adding vlandev '%s' over '%s': %d\n", vlandev->ifname, dev->ifname, rv);
+ D(SYSTEM, "Error adding vlandev '%s' over '%s': %d", vlandev->ifname, dev->ifname, rv);
return rv;
return system_link_del(vlandev->ifname);
}
-void
-system_if_get_settings(struct device *dev, struct device_settings *s)
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(6,1,0)
+struct if_get_master_data {
+ int ifindex;
+ int master_ifindex;
+ int pending;
+};
+
+static void if_get_master_dsa_linkinfo_attr(struct if_get_master_data *data,
+ struct rtattr *attr)
{
- struct ifreq ifr;
- char buf[10];
+ struct rtattr *cur;
+ int rem = RTA_PAYLOAD(attr);
- memset(&ifr, 0, sizeof(ifr));
- strncpy(ifr.ifr_name, dev->ifname, sizeof(ifr.ifr_name));
+ for (cur = RTA_DATA(attr); RTA_OK(cur, rem); cur = RTA_NEXT(cur, rem)) {
+ if (cur->rta_type != IFLA_DSA_MASTER)
+ continue;
- if (ioctl(sock_ioctl, SIOCGIFMTU, &ifr) == 0) {
- s->mtu = ifr.ifr_mtu;
- s->flags |= DEV_OPT_MTU;
+ data->master_ifindex = *(__u32 *)RTA_DATA(cur);
}
+}
- s->mtu6 = system_update_ipv6_mtu(dev, 0);
- if (s->mtu6 > 0)
- s->flags |= DEV_OPT_MTU6;
+static void if_get_master_linkinfo_attr(struct if_get_master_data *data,
+ struct rtattr *attr)
+{
+ struct rtattr *cur;
+ int rem = RTA_PAYLOAD(attr);
- if (ioctl(sock_ioctl, SIOCGIFTXQLEN, &ifr) == 0) {
- s->txqueuelen = ifr.ifr_qlen;
- s->flags |= DEV_OPT_TXQUEUELEN;
- }
+ for (cur = RTA_DATA(attr); RTA_OK(cur, rem); cur = RTA_NEXT(cur, rem)) {
+ if (cur->rta_type != IFLA_INFO_KIND && cur->rta_type != IFLA_INFO_DATA)
+ continue;
- if (ioctl(sock_ioctl, SIOCGIFHWADDR, &ifr) == 0) {
- memcpy(s->macaddr, &ifr.ifr_hwaddr.sa_data, sizeof(s->macaddr));
- s->flags |= DEV_OPT_MACADDR;
- }
+ if (cur->rta_type == IFLA_INFO_KIND && strcmp("dsa", (char *)RTA_DATA(cur)))
+ break;
- if (!system_get_disable_ipv6(dev, buf, sizeof(buf))) {
- s->ipv6 = !strtoul(buf, NULL, 0);
- s->flags |= DEV_OPT_IPV6;
+ if (cur->rta_type == IFLA_INFO_DATA)
+ if_get_master_dsa_linkinfo_attr(data, cur);
}
+}
- if (ioctl(sock_ioctl, SIOCGIFFLAGS, &ifr) == 0) {
- s->promisc = ifr.ifr_flags & IFF_PROMISC;
- s->flags |= DEV_OPT_PROMISC;
+static int cb_if_get_master_valid(struct nl_msg *msg, void *arg)
+{
+ struct nlmsghdr *nh = nlmsg_hdr(msg);
+ struct ifinfomsg *ifi = NLMSG_DATA(nh);
+ struct if_get_master_data *data = (struct if_get_master_data *)arg;
+ struct rtattr *attr;
+ int rem;
- s->multicast = ifr.ifr_flags & IFF_MULTICAST;
- s->flags |= DEV_OPT_MULTICAST;
- }
+ if (nh->nlmsg_type != RTM_NEWLINK)
+ return NL_SKIP;
- if (!system_get_rpfilter(dev, buf, sizeof(buf))) {
- s->rpfilter = strtoul(buf, NULL, 0);
- s->flags |= DEV_OPT_RPFILTER;
- }
+ if (ifi->ifi_family != AF_UNSPEC)
+ return NL_SKIP;
- if (!system_get_acceptlocal(dev, buf, sizeof(buf))) {
- s->acceptlocal = strtoul(buf, NULL, 0);
- s->flags |= DEV_OPT_ACCEPTLOCAL;
- }
+ if (ifi->ifi_index != data->ifindex)
+ return NL_SKIP;
- if (!system_get_igmpversion(dev, buf, sizeof(buf))) {
- s->igmpversion = strtoul(buf, NULL, 0);
- s->flags |= DEV_OPT_IGMPVERSION;
- }
+ attr = IFLA_RTA(ifi);
+ rem = nh->nlmsg_len - NLMSG_LENGTH(sizeof(*ifi));
- if (!system_get_mldversion(dev, buf, sizeof(buf))) {
- s->mldversion = strtoul(buf, NULL, 0);
- s->flags |= DEV_OPT_MLDVERSION;
- }
+ while (RTA_OK(attr, rem)) {
+ if (attr->rta_type == IFLA_LINKINFO)
+ if_get_master_linkinfo_attr(data, attr);
- if (!system_get_neigh4reachabletime(dev, buf, sizeof(buf))) {
- s->neigh4reachabletime = strtoul(buf, NULL, 0);
- s->flags |= DEV_OPT_NEIGHREACHABLETIME;
+ attr = RTA_NEXT(attr, rem);
}
- if (!system_get_neigh6reachabletime(dev, buf, sizeof(buf))) {
- s->neigh6reachabletime = strtoul(buf, NULL, 0);
- s->flags |= DEV_OPT_NEIGHREACHABLETIME;
- }
+ return NL_OK;
+}
- if (!system_get_neigh4locktime(dev, buf, sizeof(buf))) {
- s->neigh4locktime = strtol(buf, NULL, 0);
- s->flags |= DEV_OPT_NEIGHLOCKTIME;
- }
+static int cb_if_get_master_ack(struct nl_msg *msg, void *arg)
+{
+ struct if_get_master_data *data = (struct if_get_master_data *)arg;
+ data->pending = 0;
+ return NL_STOP;
+}
+
+static int cb_if_get_master_error(struct sockaddr_nl *nla, struct nlmsgerr *err, void *arg)
+{
+ struct if_get_master_data *data = (struct if_get_master_data *)arg;
+ data->pending = 0;
+ return NL_STOP;
+}
+
+static int system_if_get_master_ifindex(struct device *dev)
+{
+ struct nl_cb *cb = nl_cb_alloc(NL_CB_DEFAULT);
+ struct nl_msg *msg;
+ struct ifinfomsg ifi = {
+ .ifi_family = AF_UNSPEC,
+ .ifi_index = 0,
+ };
+ struct if_get_master_data data = {
+ .ifindex = if_nametoindex(dev->ifname),
+ .master_ifindex = -1,
+ .pending = 1,
+ };
+ int ret = -1;
+
+ if (!cb)
+ return ret;
+
+ msg = nlmsg_alloc_simple(RTM_GETLINK, NLM_F_REQUEST);
+ if (!msg)
+ goto out;
+
+ if (nlmsg_append(msg, &ifi, sizeof(ifi), 0) ||
+ nla_put_string(msg, IFLA_IFNAME, dev->ifname))
+ goto free;
+
+ nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM, cb_if_get_master_valid, &data);
+ nl_cb_set(cb, NL_CB_ACK, NL_CB_CUSTOM, cb_if_get_master_ack, &data);
+ nl_cb_err(cb, NL_CB_CUSTOM, cb_if_get_master_error, &data);
+
+ ret = nl_send_auto_complete(sock_rtnl, msg);
+ if (ret < 0)
+ goto free;
+
+ while (data.pending > 0)
+ nl_recvmsgs(sock_rtnl, cb);
+
+ if (data.master_ifindex >= 0)
+ ret = data.master_ifindex;
+
+free:
+ nlmsg_free(msg);
+out:
+ nl_cb_put(cb);
+ return ret;
+}
+
+static void system_refresh_orig_macaddr(struct device *dev, struct device_settings *s)
+{
+ struct ifreq ifr;
+
+ memset(&ifr, 0, sizeof(ifr));
+ strncpy(ifr.ifr_name, dev->ifname, sizeof(ifr.ifr_name) - 1);
+
+ if (ioctl(sock_ioctl, SIOCGIFHWADDR, &ifr) == 0)
+ memcpy(s->macaddr, &ifr.ifr_hwaddr.sa_data, sizeof(s->macaddr));
+}
+
+static void system_set_master(struct device *dev, int master_ifindex)
+{
+ struct ifinfomsg ifi = { .ifi_family = AF_UNSPEC, };
+ struct nl_msg *nlm;
+
+ nlm = nlmsg_alloc_simple(RTM_NEWLINK, NLM_F_REQUEST);
+ if (!nlm)
+ return;
+
+ nlmsg_append(nlm, &ifi, sizeof(ifi), 0);
+ nla_put_string(nlm, IFLA_IFNAME, dev->ifname);
+
+ struct nlattr *linkinfo = nla_nest_start(nlm, IFLA_LINKINFO);
+ if (!linkinfo)
+ goto failure;
+
+ nla_put_string(nlm, IFLA_INFO_KIND, "dsa");
+ struct nlattr *infodata = nla_nest_start(nlm, IFLA_INFO_DATA);
+ if (!infodata)
+ goto failure;
+
+ nla_put_u32(nlm, IFLA_DSA_MASTER, master_ifindex);
+
+ nla_nest_end(nlm, infodata);
+ nla_nest_end(nlm, linkinfo);
+
+ system_rtnl_call(nlm);
+
+ return;
+
+failure:
+ nlmsg_free(nlm);
+}
+#endif
+
+static void ethtool_link_mode_clear_bit(__s8 nwords, int nr, __u32 *mask)
+{
+ if (nr < 0)
+ return;
+
+ if (nr >= (nwords * 32))
+ return;
+
+ mask[nr / 32] &= ~(1U << (nr % 32));
+}
+
+static bool ethtool_link_mode_test_bit(__s8 nwords, int nr, const __u32 *mask)
+{
+ if (nr < 0)
+ return false;
+
+ if (nr >= (nwords * 32))
+ return false;
+
+ return !!(mask[nr / 32] & (1U << (nr % 32)));
+}
+
+static int
+system_get_ethtool_gro(struct device *dev)
+{
+ struct ethtool_value ecmd;
+ struct ifreq ifr = {
+ .ifr_data = (caddr_t)&ecmd,
+ };
+
+ memset(&ecmd, 0, sizeof(ecmd));
+ ecmd.cmd = ETHTOOL_GGRO;
+ strncpy(ifr.ifr_name, dev->ifname, sizeof(ifr.ifr_name) - 1);
+
+ if (ioctl(sock_ioctl, SIOCETHTOOL, &ifr))
+ return -1;
+
+ return ecmd.data;
+}
+
+static void
+system_set_ethtool_gro(struct device *dev, struct device_settings *s)
+{
+ struct ethtool_value ecmd;
+ struct ifreq ifr = {
+ .ifr_data = (caddr_t)&ecmd,
+ };
+
+ memset(&ecmd, 0, sizeof(ecmd));
+ ecmd.cmd = ETHTOOL_SGRO;
+ ecmd.data = s->gro;
+ strncpy(ifr.ifr_name, dev->ifname, sizeof(ifr.ifr_name) - 1);
+
+ ioctl(sock_ioctl, SIOCETHTOOL, &ifr);
+}
+
+static void
+system_set_ethtool_pause(struct device *dev, struct device_settings *s)
+{
+ struct ethtool_pauseparam pp;
+ struct ifreq ifr = {
+ .ifr_data = (caddr_t)&pp,
+ };
+
+ strncpy(ifr.ifr_name, dev->ifname, sizeof(ifr.ifr_name) - 1);
+ memset(&pp, 0, sizeof(pp));
+ pp.cmd = ETHTOOL_GPAUSEPARAM;
+ if (ioctl(sock_ioctl, SIOCETHTOOL, &ifr))
+ return;
+
+ if (s->flags & DEV_OPT_RXPAUSE || s->flags & DEV_OPT_TXPAUSE) {
+ pp.autoneg = AUTONEG_DISABLE;
+
+ if (s->flags & DEV_OPT_PAUSE) {
+ if (s->flags & DEV_OPT_RXPAUSE)
+ pp.rx_pause = s->rxpause && s->pause;
+ else
+ pp.rx_pause = s->pause;
+
+ if (s->flags & DEV_OPT_TXPAUSE)
+ pp.tx_pause = s->txpause && s->pause;
+ else
+ pp.tx_pause = s->pause;
+ } else {
+ if (s->flags & DEV_OPT_RXPAUSE)
+ pp.rx_pause = s->rxpause;
+
+ if (s->flags & DEV_OPT_TXPAUSE)
+ pp.tx_pause = s->txpause;
+ }
+
+ if (s->flags & DEV_OPT_ASYM_PAUSE &&
+ !s->asym_pause && (pp.rx_pause != pp.tx_pause))
+ pp.rx_pause = pp.tx_pause = false;
+ } else {
+ pp.autoneg = AUTONEG_ENABLE;
+ /* Pause and Asym_Pause advertising bits will be set via
+ * ETHTOOL_SLINKSETTINGS in system_set_ethtool_settings()
+ */
+ }
+
+ pp.cmd = ETHTOOL_SPAUSEPARAM;
+ ioctl(sock_ioctl, SIOCETHTOOL, &ifr);
+}
+
+static void
+system_set_ethtool_eee_settings(struct device *dev, struct device_settings *s)
+{
+ struct ethtool_eee eeecmd;
+ struct ifreq ifr = {
+ .ifr_data = (caddr_t)&eeecmd,
+ };
+
+ memset(&eeecmd, 0, sizeof(eeecmd));
+ eeecmd.cmd = ETHTOOL_SEEE;
+ eeecmd.eee_enabled = s->eee;
+ strncpy(ifr.ifr_name, dev->ifname, sizeof(ifr.ifr_name) - 1);
+
+ if (ioctl(sock_ioctl, SIOCETHTOOL, &ifr) != 0)
+ netifd_log_message(L_WARNING, "cannot set eee %d for device %s", s->eee, dev->ifname);
+}
+
+static void
+system_set_ethtool_settings(struct device *dev, struct device_settings *s)
+{
+ struct {
+ struct ethtool_link_settings req;
+ __u32 link_mode_data[3 * 127];
+ } ecmd;
+ struct ifreq ifr = {
+ .ifr_data = (caddr_t)&ecmd,
+ };
+ size_t i;
+ __s8 nwords;
+ __u32 *supported, *advertising;
+
+ system_set_ethtool_pause(dev, s);
+
+ if (s->flags & DEV_OPT_EEE)
+ system_set_ethtool_eee_settings(dev, s);
+
+ memset(&ecmd, 0, sizeof(ecmd));
+ ecmd.req.cmd = ETHTOOL_GLINKSETTINGS;
+ strncpy(ifr.ifr_name, dev->ifname, sizeof(ifr.ifr_name) - 1);
+
+ if (ioctl(sock_ioctl, SIOCETHTOOL, &ifr) < 0 ||
+ ecmd.req.link_mode_masks_nwords >= 0 ||
+ ecmd.req.cmd != ETHTOOL_GLINKSETTINGS)
+ return;
+
+ ecmd.req.link_mode_masks_nwords = -ecmd.req.link_mode_masks_nwords;
+
+ if (ioctl(sock_ioctl, SIOCETHTOOL, &ifr) < 0 ||
+ ecmd.req.link_mode_masks_nwords <= 0 ||
+ ecmd.req.cmd != ETHTOOL_GLINKSETTINGS)
+ return;
+
+ nwords = ecmd.req.link_mode_masks_nwords;
+ supported = &ecmd.link_mode_data[0];
+ advertising = &ecmd.link_mode_data[nwords];
+ memcpy(advertising, supported, sizeof(__u32) * nwords);
+
+ for (i = 0; i < ARRAY_SIZE(ethtool_modes); i++) {
+ if (s->flags & DEV_OPT_DUPLEX) {
+ if (s->duplex)
+ ethtool_link_mode_clear_bit(nwords, ethtool_modes[i].bit_half, advertising);
+ else
+ ethtool_link_mode_clear_bit(nwords, ethtool_modes[i].bit_full, advertising);
+ }
+ if (!(s->flags & DEV_OPT_SPEED) ||
+ s->speed == ethtool_modes[i].speed)
+ continue;
+
+ ethtool_link_mode_clear_bit(nwords, ethtool_modes[i].bit_full, advertising);
+ ethtool_link_mode_clear_bit(nwords, ethtool_modes[i].bit_half, advertising);
+ }
+
+ if (s->flags & DEV_OPT_PAUSE)
+ if (!s->pause)
+ ethtool_link_mode_clear_bit(nwords, ETHTOOL_LINK_MODE_Pause_BIT, advertising);
+
+ if (s->flags & DEV_OPT_ASYM_PAUSE)
+ if (!s->asym_pause)
+ ethtool_link_mode_clear_bit(nwords, ETHTOOL_LINK_MODE_Asym_Pause_BIT, advertising);
+
+ if (s->flags & DEV_OPT_AUTONEG) {
+ ecmd.req.autoneg = s->autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE;
+ if (!s->autoneg) {
+ if (s->flags & DEV_OPT_SPEED)
+ ecmd.req.speed = s->speed;
+
+ if (s->flags & DEV_OPT_DUPLEX)
+ ecmd.req.duplex = s->duplex ? DUPLEX_FULL : DUPLEX_HALF;
+ }
+ }
+
+ ecmd.req.cmd = ETHTOOL_SLINKSETTINGS;
+ ioctl(sock_ioctl, SIOCETHTOOL, &ifr);
+}
+
+static void
+system_set_ethtool_settings_after_up(struct device *dev, struct device_settings *s)
+{
+ if (s->flags & DEV_OPT_GRO)
+ system_set_ethtool_gro(dev, s);
+}
+
+void
+system_if_get_settings(struct device *dev, struct device_settings *s)
+{
+ struct ifreq ifr;
+ char buf[10];
+ int ret;
+
+ memset(&ifr, 0, sizeof(ifr));
+ strncpy(ifr.ifr_name, dev->ifname, sizeof(ifr.ifr_name) - 1);
+
+ if (ioctl(sock_ioctl, SIOCGIFMTU, &ifr) == 0) {
+ s->mtu = ifr.ifr_mtu;
+ s->flags |= DEV_OPT_MTU;
+ }
+
+ s->mtu6 = system_update_ipv6_mtu(dev, 0);
+ if (s->mtu6 > 0)
+ s->flags |= DEV_OPT_MTU6;
+
+ if (ioctl(sock_ioctl, SIOCGIFTXQLEN, &ifr) == 0) {
+ s->txqueuelen = ifr.ifr_qlen;
+ s->flags |= DEV_OPT_TXQUEUELEN;
+ }
+
+ if (ioctl(sock_ioctl, SIOCGIFHWADDR, &ifr) == 0) {
+ memcpy(s->macaddr, &ifr.ifr_hwaddr.sa_data, sizeof(s->macaddr));
+ s->flags |= DEV_OPT_MACADDR;
+ }
+
+ if (!system_get_disable_ipv6(dev, buf, sizeof(buf))) {
+ s->ipv6 = !strtoul(buf, NULL, 0);
+ s->flags |= DEV_OPT_IPV6;
+ }
+
+ if (!system_get_ip6segmentrouting(dev, buf, sizeof(buf))) {
+ s->ip6segmentrouting = strtoul(buf, NULL, 0);
+ s->flags |= DEV_OPT_IP6SEGMENTROUTING;
+ }
+
+ if (ioctl(sock_ioctl, SIOCGIFFLAGS, &ifr) == 0) {
+ s->promisc = ifr.ifr_flags & IFF_PROMISC;
+ s->flags |= DEV_OPT_PROMISC;
+
+ s->multicast = ifr.ifr_flags & IFF_MULTICAST;
+ s->flags |= DEV_OPT_MULTICAST;
+ }
+
+ if (!system_get_rpfilter(dev, buf, sizeof(buf))) {
+ s->rpfilter = strtoul(buf, NULL, 0);
+ s->flags |= DEV_OPT_RPFILTER;
+ }
+
+ if (!system_get_acceptlocal(dev, buf, sizeof(buf))) {
+ s->acceptlocal = strtoul(buf, NULL, 0);
+ s->flags |= DEV_OPT_ACCEPTLOCAL;
+ }
+
+ if (!system_get_igmpversion(dev, buf, sizeof(buf))) {
+ s->igmpversion = strtoul(buf, NULL, 0);
+ s->flags |= DEV_OPT_IGMPVERSION;
+ }
+
+ if (!system_get_mldversion(dev, buf, sizeof(buf))) {
+ s->mldversion = strtoul(buf, NULL, 0);
+ s->flags |= DEV_OPT_MLDVERSION;
+ }
+
+ if (!system_get_neigh4reachabletime(dev, buf, sizeof(buf))) {
+ s->neigh4reachabletime = strtoul(buf, NULL, 0);
+ s->flags |= DEV_OPT_NEIGHREACHABLETIME;
+ }
+
+ if (!system_get_neigh6reachabletime(dev, buf, sizeof(buf))) {
+ s->neigh6reachabletime = strtoul(buf, NULL, 0);
+ s->flags |= DEV_OPT_NEIGHREACHABLETIME;
+ }
+
+ if (!system_get_neigh4locktime(dev, buf, sizeof(buf))) {
+ s->neigh4locktime = strtol(buf, NULL, 0);
+ s->flags |= DEV_OPT_NEIGHLOCKTIME;
+ }
if (!system_get_neigh4gcstaletime(dev, buf, sizeof(buf))) {
s->neigh4gcstaletime = strtoul(buf, NULL, 0);
s->sendredirects = strtoul(buf, NULL, 0);
s->flags |= DEV_OPT_SENDREDIRECTS;
}
-}
-
-static void
-system_if_set_rps_xps_val(const char *path, char *fmt, int val)
-{
- char val_buf[8];
- glob_t gl;
- int i;
-
- if (glob(path, 0, NULL, &gl))
- return;
- snprintf(val_buf, sizeof(val_buf), fmt, val);
- for (i = 0; i < gl.gl_pathc; i++)
- system_set_sysctl(gl.gl_pathv[i], val_buf);
+ if (!system_get_drop_v4_unicast_in_l2_multicast(dev, buf, sizeof(buf))) {
+ s->drop_v4_unicast_in_l2_multicast = strtoul(buf, NULL, 0);
+ s->flags |= DEV_OPT_DROP_V4_UNICAST_IN_L2_MULTICAST;
+ }
- globfree(&gl);
-}
+ if (!system_get_drop_v6_unicast_in_l2_multicast(dev, buf, sizeof(buf))) {
+ s->drop_v6_unicast_in_l2_multicast = strtoul(buf, NULL, 0);
+ s->flags |= DEV_OPT_DROP_V6_UNICAST_IN_L2_MULTICAST;
+ }
-static void
-system_if_apply_rps_xps(struct device *dev, struct device_settings *s)
-{
- long n_cpus = sysconf(_SC_NPROCESSORS_ONLN);
- int val, rps_val, rps_flow_cnt, xps_val;
+ if (!system_get_drop_gratuitous_arp(dev, buf, sizeof(buf))) {
+ s->drop_gratuitous_arp = strtoul(buf, NULL, 0);
+ s->flags |= DEV_OPT_DROP_GRATUITOUS_ARP;
+ }
- if (n_cpus < 2)
- return;
+ if (!system_get_drop_unsolicited_na(dev, buf, sizeof(buf))) {
+ s->drop_unsolicited_na = strtoul(buf, NULL, 0);
+ s->flags |= DEV_OPT_DROP_UNSOLICITED_NA;
+ }
- val = (1 << n_cpus) - 1;
- rps_val = s->rps_val ? s->rps_val : val;
- snprintf(dev_buf, sizeof(dev_buf), "/sys/class/net/%s/queues/*/rps_cpus", dev->ifname);
- system_if_set_rps_xps_val(dev_buf, "%x", s->rps ? rps_val : 0);
+ if (!system_get_arp_accept(dev, buf, sizeof(buf))) {
+ s->arp_accept = strtoul(buf, NULL, 0);
+ s->flags |= DEV_OPT_ARP_ACCEPT;
+ }
- rps_flow_cnt = s->rps_flow_cnt ? s->rps_flow_cnt : 0;
- snprintf(dev_buf, sizeof(dev_buf), "/sys/class/net/%s/queues/*/rps_flow_cnt", dev->ifname);
- system_if_set_rps_xps_val(dev_buf, "%d", s->rps ? rps_flow_cnt : 0);
+ ret = system_get_ethtool_gro(dev);
+ if (ret >= 0) {
+ s->gro = ret;
+ s->flags |= DEV_OPT_GRO;
+ }
- xps_val = s->xps_val ? s->xps_val : val;
- snprintf(dev_buf, sizeof(dev_buf), "/sys/class/net/%s/queues/*/xps_cpus", dev->ifname);
- system_if_set_rps_xps_val(dev_buf, "%x", s->xps ? xps_val : 0);
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(6,1,0)
+ ret = system_if_get_master_ifindex(dev);
+ if (ret >= 0) {
+ s->master_ifindex = ret;
+ s->flags |= DEV_OPT_MASTER;
+ }
+#endif
}
void
-system_if_apply_settings(struct device *dev, struct device_settings *s, unsigned int apply_mask)
+system_if_apply_settings(struct device *dev, struct device_settings *s, uint64_t apply_mask)
{
struct ifreq ifr;
char buf[12];
+ apply_mask &= s->flags;
+
+ if (apply_mask & DEV_OPT_MASTER) {
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(6,1,0)
+ system_set_master(dev, s->master_ifindex);
+ if (!(apply_mask & (DEV_OPT_MACADDR | DEV_OPT_DEFAULT_MACADDR)) || dev->external)
+ system_refresh_orig_macaddr(dev, &dev->orig_settings);
+#else
+ netifd_log_message(L_WARNING, "%s Your kernel is older than linux 6.1.0, changing DSA port conduit is not supported!", dev->ifname);
+#endif
+ }
+
memset(&ifr, 0, sizeof(ifr));
- strncpy(ifr.ifr_name, dev->ifname, sizeof(ifr.ifr_name));
- if (s->flags & DEV_OPT_MTU & apply_mask) {
+ strncpy(ifr.ifr_name, dev->ifname, sizeof(ifr.ifr_name) - 1);
+ if (apply_mask & DEV_OPT_MTU) {
ifr.ifr_mtu = s->mtu;
if (ioctl(sock_ioctl, SIOCSIFMTU, &ifr) < 0)
s->flags &= ~DEV_OPT_MTU;
}
- if (s->flags & DEV_OPT_MTU6 & apply_mask) {
+ if (apply_mask & DEV_OPT_MTU6) {
system_update_ipv6_mtu(dev, s->mtu6);
}
- if (s->flags & DEV_OPT_TXQUEUELEN & apply_mask) {
+ if (apply_mask & DEV_OPT_TXQUEUELEN) {
ifr.ifr_qlen = s->txqueuelen;
if (ioctl(sock_ioctl, SIOCSIFTXQLEN, &ifr) < 0)
s->flags &= ~DEV_OPT_TXQUEUELEN;
}
- if ((s->flags & DEV_OPT_MACADDR & apply_mask) && !dev->external) {
+ if ((apply_mask & (DEV_OPT_MACADDR | DEV_OPT_DEFAULT_MACADDR)) && !dev->external) {
ifr.ifr_hwaddr.sa_family = ARPHRD_ETHER;
memcpy(&ifr.ifr_hwaddr.sa_data, s->macaddr, sizeof(s->macaddr));
if (ioctl(sock_ioctl, SIOCSIFHWADDR, &ifr) < 0)
s->flags &= ~DEV_OPT_MACADDR;
}
- if (s->flags & DEV_OPT_IPV6 & apply_mask)
+ if (apply_mask & DEV_OPT_IPV6)
system_set_disable_ipv6(dev, s->ipv6 ? "0" : "1");
- if (s->flags & DEV_OPT_PROMISC & apply_mask) {
+ if (s->flags & DEV_OPT_IP6SEGMENTROUTING & apply_mask) {
+ struct device dummy = {
+ .ifname = "all",
+ };
+ bool ip6segmentrouting = device_check_ip6segmentrouting();
+
+ system_set_ip6segmentrouting(dev, s->ip6segmentrouting ? "1" : "0");
+ system_set_ip6segmentrouting(&dummy, ip6segmentrouting ? "1" : "0");
+ }
+ if (apply_mask & DEV_OPT_PROMISC) {
if (system_if_flags(dev->ifname, s->promisc ? IFF_PROMISC : 0,
!s->promisc ? IFF_PROMISC : 0) < 0)
s->flags &= ~DEV_OPT_PROMISC;
}
- if (s->flags & DEV_OPT_RPFILTER & apply_mask) {
+ if (apply_mask & DEV_OPT_RPFILTER) {
snprintf(buf, sizeof(buf), "%u", s->rpfilter);
system_set_rpfilter(dev, buf);
}
- if (s->flags & DEV_OPT_ACCEPTLOCAL & apply_mask)
+ if (apply_mask & DEV_OPT_ACCEPTLOCAL)
system_set_acceptlocal(dev, s->acceptlocal ? "1" : "0");
- if (s->flags & DEV_OPT_IGMPVERSION & apply_mask) {
+ if (apply_mask & DEV_OPT_IGMPVERSION) {
snprintf(buf, sizeof(buf), "%u", s->igmpversion);
system_set_igmpversion(dev, buf);
}
- if (s->flags & DEV_OPT_MLDVERSION & apply_mask) {
+ if (apply_mask & DEV_OPT_MLDVERSION) {
snprintf(buf, sizeof(buf), "%u", s->mldversion);
system_set_mldversion(dev, buf);
}
- if (s->flags & DEV_OPT_NEIGHREACHABLETIME & apply_mask) {
+ if (apply_mask & DEV_OPT_NEIGHREACHABLETIME) {
snprintf(buf, sizeof(buf), "%u", s->neigh4reachabletime);
system_set_neigh4reachabletime(dev, buf);
snprintf(buf, sizeof(buf), "%u", s->neigh6reachabletime);
system_set_neigh6reachabletime(dev, buf);
}
- if (s->flags & DEV_OPT_NEIGHLOCKTIME & apply_mask) {
+ if (apply_mask & DEV_OPT_NEIGHLOCKTIME) {
snprintf(buf, sizeof(buf), "%d", s->neigh4locktime);
system_set_neigh4locktime(dev, buf);
}
- if (s->flags & DEV_OPT_NEIGHGCSTALETIME & apply_mask) {
+ if (apply_mask & DEV_OPT_NEIGHGCSTALETIME) {
snprintf(buf, sizeof(buf), "%u", s->neigh4gcstaletime);
system_set_neigh4gcstaletime(dev, buf);
snprintf(buf, sizeof(buf), "%u", s->neigh6gcstaletime);
system_set_neigh6gcstaletime(dev, buf);
}
- if (s->flags & DEV_OPT_DADTRANSMITS & apply_mask) {
+ if (apply_mask & DEV_OPT_DADTRANSMITS) {
snprintf(buf, sizeof(buf), "%u", s->dadtransmits);
system_set_dadtransmits(dev, buf);
}
- if (s->flags & DEV_OPT_MULTICAST & apply_mask) {
+ if (apply_mask & DEV_OPT_MULTICAST) {
if (system_if_flags(dev->ifname, s->multicast ? IFF_MULTICAST : 0,
!s->multicast ? IFF_MULTICAST : 0) < 0)
s->flags &= ~DEV_OPT_MULTICAST;
}
- if (s->flags & DEV_OPT_SENDREDIRECTS & apply_mask)
+ if (apply_mask & DEV_OPT_SENDREDIRECTS)
system_set_sendredirects(dev, s->sendredirects ? "1" : "0");
+ if (apply_mask & DEV_OPT_DROP_V4_UNICAST_IN_L2_MULTICAST)
+ system_set_drop_v4_unicast_in_l2_multicast(dev, s->drop_v4_unicast_in_l2_multicast ? "1" : "0");
+ if (apply_mask & DEV_OPT_DROP_V6_UNICAST_IN_L2_MULTICAST)
+ system_set_drop_v6_unicast_in_l2_multicast(dev, s->drop_v6_unicast_in_l2_multicast ? "1" : "0");
+ if (apply_mask & DEV_OPT_DROP_GRATUITOUS_ARP)
+ system_set_drop_gratuitous_arp(dev, s->drop_gratuitous_arp ? "1" : "0");
+ if (apply_mask & DEV_OPT_DROP_UNSOLICITED_NA)
+ system_set_drop_unsolicited_na(dev, s->drop_unsolicited_na ? "1" : "0");
+ if (apply_mask & DEV_OPT_ARP_ACCEPT)
+ system_set_arp_accept(dev, s->arp_accept ? "1" : "0");
+ system_set_ethtool_settings(dev, s);
+}
- system_if_apply_rps_xps(dev, s);
+void system_if_apply_settings_after_up(struct device *dev, struct device_settings *s)
+{
+ system_set_ethtool_settings_after_up(dev, s);
}
int system_if_up(struct device *dev)
{
- system_if_get_settings(dev, &dev->orig_settings);
- /* Only keep orig settings based on what needs to be set */
- dev->orig_settings.valid_flags = dev->orig_settings.flags;
- dev->orig_settings.flags &= dev->settings.flags;
- system_if_apply_settings(dev, &dev->settings, dev->settings.flags);
return system_if_flags(dev->ifname, IFF_UP, 0);
}
int system_if_down(struct device *dev)
{
- int ret = system_if_flags(dev->ifname, 0, IFF_UP);
- system_if_apply_settings(dev, &dev->orig_settings, dev->orig_settings.flags);
- return ret;
+ return system_if_flags(dev->ifname, 0, IFF_UP);
}
struct if_check_data {
int ret;
};
-#ifndef IFF_LOWER_UP
-#define IFF_LOWER_UP 0x10000
-#endif
-
static int cb_if_check_valid(struct nl_msg *msg, void *arg)
{
struct nlmsghdr *nh = nlmsg_hdr(msg);
if (nh->nlmsg_type != RTM_NEWLINK)
return NL_SKIP;
- device_set_present(chk->dev, ifi->ifi_index > 0 ? true : false);
- device_set_link(chk->dev, ifi->ifi_flags & IFF_LOWER_UP ? true : false);
-
+ system_device_update_state(chk->dev, ifi->ifi_flags, ifi->ifi_index);
return NL_OK;
}
{
struct if_check_data *chk = (struct if_check_data *)arg;
- device_set_present(chk->dev, false);
+ if (chk->dev->type == &simple_device_type)
+ device_set_present(chk->dev, false);
device_set_link(chk->dev, false);
chk->pending = err->error;
return NL_STOP;
}
+struct bridge_vlan_check_data {
+ struct device *check_dev;
+ int ifindex;
+ int ret;
+ bool pending;
+};
+
+static void bridge_vlan_check_port(struct bridge_vlan_check_data *data,
+ struct bridge_vlan_port *port,
+ struct bridge_vlan_info *vinfo)
+{
+ uint16_t flags = 0, diff, mask;
+
+ if (port->flags & BRVLAN_F_PVID)
+ flags |= BRIDGE_VLAN_INFO_PVID;
+ if (port->flags & BRVLAN_F_UNTAGGED)
+ flags |= BRIDGE_VLAN_INFO_UNTAGGED;
+
+ diff = vinfo->flags ^ flags;
+ mask = BRVLAN_F_UNTAGGED | (flags & BRIDGE_VLAN_INFO_PVID);
+ if (diff & mask) {
+ data->ret = 1;
+ data->pending = false;
+ }
+
+ port->check = 1;
+}
+
+static void bridge_vlan_check_attr(struct bridge_vlan_check_data *data,
+ struct rtattr *attr)
+{
+ struct bridge_vlan_hotplug_port *port;
+ struct bridge_vlan_info *vinfo;
+ struct bridge_vlan *vlan;
+ struct rtattr *cur;
+ int rem = RTA_PAYLOAD(attr);
+ int i;
+
+ for (cur = RTA_DATA(attr); RTA_OK(cur, rem); cur = RTA_NEXT(cur, rem)) {
+ if (cur->rta_type != IFLA_BRIDGE_VLAN_INFO)
+ continue;
+
+ vinfo = RTA_DATA(cur);
+ vlan = vlist_find(&data->check_dev->vlans, &vinfo->vid, vlan, node);
+ if (!vlan) {
+ data->ret = 1;
+ data->pending = false;
+ return;
+ }
+
+ for (i = 0; i < vlan->n_ports; i++)
+ if (!vlan->ports[i].check)
+ bridge_vlan_check_port(data, &vlan->ports[i], vinfo);
+
+ list_for_each_entry(port, &vlan->hotplug_ports, list)
+ if (!port->port.check)
+ bridge_vlan_check_port(data, &port->port, vinfo);
+ }
+}
+
+static int bridge_vlan_check_cb(struct nl_msg *msg, void *arg)
+{
+ struct bridge_vlan_check_data *data = arg;
+ struct nlmsghdr *nh = nlmsg_hdr(msg);
+ struct ifinfomsg *ifi = NLMSG_DATA(nh);
+ struct rtattr *attr;
+ int rem;
+
+ if (nh->nlmsg_type != RTM_NEWLINK)
+ return NL_SKIP;
+
+ if (ifi->ifi_family != AF_BRIDGE)
+ return NL_SKIP;
+
+ if (ifi->ifi_index != data->ifindex)
+ return NL_SKIP;
+
+ attr = IFLA_RTA(ifi);
+ rem = nh->nlmsg_len - NLMSG_LENGTH(sizeof(*ifi));
+ while (RTA_OK(attr, rem)) {
+ if (attr->rta_type == IFLA_AF_SPEC)
+ bridge_vlan_check_attr(data, attr);
+
+ attr = RTA_NEXT(attr, rem);
+ }
+
+ return NL_SKIP;
+}
+
+static int bridge_vlan_ack_cb(struct nl_msg *msg, void *arg)
+{
+ struct bridge_vlan_check_data *data = arg;
+ data->pending = false;
+ return NL_STOP;
+}
+
+static int bridge_vlan_error_cb(struct sockaddr_nl *nla, struct nlmsgerr *err, void *arg)
+{
+ struct bridge_vlan_check_data *data = arg;
+ data->pending = false;
+ return NL_STOP;
+}
+
+int system_bridge_vlan_check(struct device *dev, char *ifname)
+{
+ struct bridge_vlan_check_data data = {
+ .check_dev = dev,
+ .ifindex = if_nametoindex(ifname),
+ .ret = -1,
+ .pending = true,
+ };
+ static struct ifinfomsg ifi = {
+ .ifi_family = AF_BRIDGE
+ };
+ static struct rtattr ext_req = {
+ .rta_type = IFLA_EXT_MASK,
+ .rta_len = RTA_LENGTH(sizeof(uint32_t)),
+ };
+ uint32_t filter = RTEXT_FILTER_BRVLAN;
+ struct nl_cb *cb = nl_cb_alloc(NL_CB_DEFAULT);
+ struct bridge_vlan *vlan;
+ struct nl_msg *msg;
+ int i;
+
+ if (!data.ifindex)
+ return 0;
+
+ msg = nlmsg_alloc_simple(RTM_GETLINK, NLM_F_DUMP);
+
+ if (nlmsg_append(msg, &ifi, sizeof(ifi), 0) ||
+ nlmsg_append(msg, &ext_req, sizeof(ext_req), NLMSG_ALIGNTO) ||
+ nlmsg_append(msg, &filter, sizeof(filter), 0))
+ goto free;
+
+ vlist_for_each_element(&dev->vlans, vlan, node) {
+ struct bridge_vlan_hotplug_port *port;
+
+ for (i = 0; i < vlan->n_ports; i++) {
+ if (!strcmp(vlan->ports[i].ifname, ifname))
+ vlan->ports[i].check = 0;
+ else
+ vlan->ports[i].check = -1;
+ }
+
+ list_for_each_entry(port, &vlan->hotplug_ports, list) {
+ if (!strcmp(port->port.ifname, ifname))
+ port->port.check = 0;
+ else
+ port->port.check = -1;
+ }
+ }
+
+ nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM, bridge_vlan_check_cb, &data);
+ nl_cb_set(cb, NL_CB_FINISH, NL_CB_CUSTOM, bridge_vlan_ack_cb, &data);
+ nl_cb_set(cb, NL_CB_ACK, NL_CB_CUSTOM, bridge_vlan_ack_cb, &data);
+ nl_cb_err(cb, NL_CB_CUSTOM, bridge_vlan_error_cb, &data);
+
+ if (nl_send_auto_complete(sock_rtnl, msg) < 0)
+ goto free;
+
+ data.ret = 0;
+ while (data.pending)
+ nl_recvmsgs(sock_rtnl, cb);
+
+ vlist_for_each_element(&dev->vlans, vlan, node) {
+ struct bridge_vlan_hotplug_port *port;
+
+ for (i = 0; i < vlan->n_ports; i++) {
+ if (!vlan->ports[i].check) {
+ data.ret = 1;
+ break;
+ }
+ }
+
+ list_for_each_entry(port, &vlan->hotplug_ports, list) {
+ if (!port->port.check) {
+ data.ret = 1;
+ break;
+ }
+ }
+ }
+
+free:
+ nlmsg_free(msg);
+ nl_cb_put(cb);
+ return data.ret;
+}
+
int system_if_check(struct device *dev)
{
struct nl_cb *cb = nl_cb_alloc(NL_CB_DEFAULT);
};
int ret = 1;
+ if (!cb)
+ return ret;
+
msg = nlmsg_alloc_simple(RTM_GETLINK, 0);
if (!msg)
goto out;
nl_cb_set(cb, NL_CB_ACK, NL_CB_CUSTOM, cb_if_check_ack, &chk);
nl_cb_err(cb, NL_CB_CUSTOM, cb_if_check_error, &chk);
- nl_send_auto_complete(sock_rtnl, msg);
+ ret = nl_send_auto_complete(sock_rtnl, msg);
+ if (ret < 0)
+ goto free;
+
while (chk.pending > 0)
nl_recvmsgs(sock_rtnl, cb);
system_if_get_parent(struct device *dev)
{
char buf[64], *devname;
- int ifindex, iflink, len;
- FILE *f;
+ int ifindex, iflink;
+
+ if (system_get_dev_sysfs("iflink", dev->ifname, buf, sizeof(buf)) < 0)
+ return NULL;
+
+ iflink = strtoul(buf, NULL, 0);
+ ifindex = system_if_resolve(dev);
+ if (!iflink || iflink == ifindex)
+ return NULL;
+
+ devname = if_indextoname(iflink, buf);
+ if (!devname)
+ return NULL;
+
+ return device_get(devname, true);
+}
+
+static bool
+read_string_file(int dir_fd, const char *file, char *buf, int len)
+{
+ bool ret = false;
+ char *c;
+ int fd;
+
+ fd = openat(dir_fd, file, O_RDONLY);
+ if (fd < 0)
+ return false;
+
+retry:
+ len = read(fd, buf, len - 1);
+ if (len < 0) {
+ if (errno == EINTR)
+ goto retry;
+ } else if (len > 0) {
+ buf[len] = 0;
+
+ c = strchr(buf, '\n');
+ if (c)
+ *c = 0;
+
+ ret = true;
+ }
+
+ close(fd);
+
+ return ret;
+}
+
+static bool
+read_uint64_file(int dir_fd, const char *file, uint64_t *val)
+{
+ char buf[64];
+ bool ret = false;
+
+ ret = read_string_file(dir_fd, file, buf, sizeof(buf));
+ if (ret)
+ *val = strtoull(buf, NULL, 0);
+
+ return ret;
+}
+
+bool
+system_if_force_external(const char *ifname)
+{
+ struct stat s;
+
+ return stat(dev_sysfs_path(ifname, "phy80211"), &s) == 0;
+}
+
+static const char *
+system_netdevtype_name(unsigned short dev_type)
+{
+ size_t i;
+
+ for (i = 0; i < ARRAY_SIZE(netdev_types); i++) {
+ if (netdev_types[i].id == dev_type)
+ return netdev_types[i].name;
+ }
+
+ /* the last key is used by default */
+ i = ARRAY_SIZE(netdev_types) - 1;
+
+ return netdev_types[i].name;
+}
+
+static void
+system_add_devtype(struct blob_buf *b, const char *ifname)
+{
+ char buf[100];
+ bool found = false;
+
+ if (!system_get_dev_sysfs("uevent", ifname, buf, sizeof(buf))) {
+ const char *info = "DEVTYPE=";
+ char *context = NULL;
+ const char *line = strtok_r(buf, "\r\n", &context);
+
+ while (line != NULL) {
+ char *index = strstr(line, info);
+
+ if (index != NULL) {
+ blobmsg_add_string(b, "devtype", index + strlen(info));
+ found = true;
+ break;
+ }
+
+ line = strtok_r(NULL, "\r\n", &context);
+ }
+ }
+
+ if (!found) {
+ unsigned short number = 0;
+ const char *name = NULL;
+
+ if (!system_get_dev_sysfs("type", ifname, buf, sizeof(buf))) {
+ number = strtoul(buf, NULL, 0);
+ name = system_netdevtype_name(number);
+ blobmsg_add_string(b, "devtype", name);
+ }
+ }
+}
+
+#define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d))
+
+static int32_t
+ethtool_feature_count(const char *ifname)
+{
+ struct {
+ struct ethtool_sset_info hdr;
+ uint32_t buf;
+ } req = {
+ .hdr = {
+ .cmd = ETHTOOL_GSSET_INFO,
+ .sset_mask = 1 << ETH_SS_FEATURES
+ }
+ };
+
+ struct ifreq ifr = {
+ .ifr_data = (void *)&req
+ };
+
+ strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name) - 1);
+
+ if (ioctl(sock_ioctl, SIOCETHTOOL, &ifr) != 0)
+ return -1;
+
+ if (!req.hdr.sset_mask)
+ return 0;
+
+ return req.buf;
+}
+
+static int32_t
+ethtool_feature_index(const char *ifname, const char *keyname)
+{
+ struct ethtool_gstrings *feature_names;
+ struct ifreq ifr = { 0 };
+ int32_t n_features;
+ uint32_t i;
+
+ n_features = ethtool_feature_count(ifname);
+
+ if (n_features <= 0)
+ return -1;
+
+ feature_names = calloc(1, sizeof(*feature_names) + n_features * ETH_GSTRING_LEN);
+
+ if (!feature_names)
+ return -1;
- snprintf(buf, sizeof(buf), "/sys/class/net/%s/iflink", dev->ifname);
- f = fopen(buf, "r");
- if (!f)
- return NULL;
+ feature_names->cmd = ETHTOOL_GSTRINGS;
+ feature_names->string_set = ETH_SS_FEATURES;
+ feature_names->len = n_features;
- len = fread(buf, 1, sizeof(buf) - 1, f);
- fclose(f);
+ strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name) - 1);
+ ifr.ifr_data = (void *)feature_names;
- if (len <= 0)
- return NULL;
+ if (ioctl(sock_ioctl, SIOCETHTOOL, &ifr) != 0) {
+ free(feature_names);
- buf[len] = 0;
- iflink = strtoul(buf, NULL, 0);
- ifindex = system_if_resolve(dev);
- if (!iflink || iflink == ifindex)
- return NULL;
+ return -1;
+ }
- devname = if_indextoname(iflink, buf);
- if (!devname)
- return NULL;
+ for (i = 0; i < feature_names->len; i++)
+ if (!strcmp((char *)&feature_names->data[i * ETH_GSTRING_LEN], keyname))
+ break;
- return device_get(devname, true);
+ if (i >= feature_names->len)
+ i = -1;
+
+ free(feature_names);
+
+ return i;
}
static bool
-read_string_file(int dir_fd, const char *file, char *buf, int len)
+ethtool_feature_value(const char *ifname, const char *keyname)
{
- bool ret = false;
- char *c;
- int fd;
+ struct ethtool_get_features_block *feature_block;
+ struct ethtool_gfeatures *feature_values;
+ struct ifreq ifr = { 0 };
+ int32_t feature_idx;
+ bool active;
- fd = openat(dir_fd, file, O_RDONLY);
- if (fd < 0)
+ feature_idx = ethtool_feature_index(ifname, keyname);
+
+ if (feature_idx < 0)
return false;
-retry:
- len = read(fd, buf, len - 1);
- if (len < 0) {
- if (errno == EINTR)
- goto retry;
- } else if (len > 0) {
- buf[len] = 0;
+ feature_values = calloc(1,
+ sizeof(*feature_values) +
+ sizeof(feature_values->features[0]) * DIV_ROUND_UP(feature_idx, 32));
- c = strchr(buf, '\n');
- if (c)
- *c = 0;
+ if (!feature_values)
+ return false;
- ret = true;
+ feature_values->cmd = ETHTOOL_GFEATURES;
+ feature_values->size = DIV_ROUND_UP(feature_idx, 32);
+
+ strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name) - 1);
+ ifr.ifr_data = (void *)feature_values;
+
+ if (ioctl(sock_ioctl, SIOCETHTOOL, &ifr) != 0) {
+ free(feature_values);
+
+ return false;
}
- close(fd);
+ feature_block = &feature_values->features[feature_idx / 32];
+ active = feature_block->active & (1U << feature_idx % 32);
- return ret;
+ free(feature_values);
+
+ return active;
}
-static bool
-read_uint64_file(int dir_fd, const char *file, uint64_t *val)
+static void
+system_add_link_mode_name(struct blob_buf *b, int i, bool half)
{
- char buf[64];
- bool ret = false;
+ char *buf;
- ret = read_string_file(dir_fd, file, buf, sizeof(buf));
- if (ret)
- *val = strtoull(buf, NULL, 0);
+ /* allocate string buffer large enough for the mode name and a suffix
+ * "-F" or "-H" indicating full duplex or half duplex.
+ */
+ buf = blobmsg_alloc_string_buffer(b, NULL, strlen(ethtool_modes[i].name) + 3);
+ if (!buf)
+ return;
- return ret;
+ strcpy(buf, ethtool_modes[i].name);
+ if (half)
+ strcat(buf, "-H");
+ else
+ strcat(buf, "-F");
+
+ blobmsg_add_string_buffer(b);
}
-/* Assume advertised flags == supported flags */
-static const struct {
- uint32_t mask;
- const char *name;
-} ethtool_link_modes[] = {
- { ADVERTISED_10baseT_Half, "10H" },
- { ADVERTISED_10baseT_Full, "10F" },
- { ADVERTISED_100baseT_Half, "100H" },
- { ADVERTISED_100baseT_Full, "100F" },
- { ADVERTISED_1000baseT_Half, "1000H" },
- { ADVERTISED_1000baseT_Full, "1000F" },
-};
+static void
+system_add_link_modes(__s8 nwords, struct blob_buf *b, __u32 *mask)
+{
+ size_t i;
+
+ for (i = 0; i < ARRAY_SIZE(ethtool_modes); i++) {
+ if (ethtool_link_mode_test_bit(nwords, ethtool_modes[i].bit_half, mask))
+ system_add_link_mode_name(b, i, true);
+
+ if (ethtool_link_mode_test_bit(nwords, ethtool_modes[i].bit_full, mask))
+ system_add_link_mode_name(b, i, false);
+ }
+}
-static void system_add_link_modes(struct blob_buf *b, __u32 mask)
+static void
+system_add_pause_modes(__s8 nwords, struct blob_buf *b, __u32 *mask)
{
- int i;
- for (i = 0; i < ARRAY_SIZE(ethtool_link_modes); i++) {
- if (mask & ethtool_link_modes[i].mask)
- blobmsg_add_string(b, NULL, ethtool_link_modes[i].name);
+ if (ethtool_link_mode_test_bit(nwords, ETHTOOL_LINK_MODE_Pause_BIT, mask))
+ blobmsg_add_string(b, NULL, "pause");
+
+ if (ethtool_link_mode_test_bit(nwords, ETHTOOL_LINK_MODE_Asym_Pause_BIT, mask))
+ blobmsg_add_string(b, NULL, "asym_pause");
+}
+
+
+static void
+system_add_ethtool_pause_an(struct blob_buf *b, __s8 nwords,
+ __u32 *advertising, __u32 *lp_advertising)
+{
+ bool an_rx = false, an_tx = false;
+ void *d;
+
+ d = blobmsg_open_array(b, "negotiated");
+
+ /* Work out negotiated pause frame usage per
+ * IEEE 802.3-2005 table 28B-3.
+ */
+ if (ethtool_link_mode_test_bit(nwords,
+ ETHTOOL_LINK_MODE_Pause_BIT,
+ advertising) &&
+ ethtool_link_mode_test_bit(nwords,
+ ETHTOOL_LINK_MODE_Pause_BIT,
+ lp_advertising)) {
+ an_tx = true;
+ an_rx = true;
+ } else if (ethtool_link_mode_test_bit(nwords,
+ ETHTOOL_LINK_MODE_Asym_Pause_BIT,
+ advertising) &&
+ ethtool_link_mode_test_bit(nwords,
+ ETHTOOL_LINK_MODE_Asym_Pause_BIT,
+ lp_advertising)) {
+ if (ethtool_link_mode_test_bit(nwords,
+ ETHTOOL_LINK_MODE_Pause_BIT,
+ advertising))
+ an_rx = true;
+ else if (ethtool_link_mode_test_bit(nwords,
+ ETHTOOL_LINK_MODE_Pause_BIT,
+ lp_advertising))
+ an_tx = true;
}
+ if (an_tx)
+ blobmsg_add_string(b, NULL, "rx");
+
+ if (an_rx)
+ blobmsg_add_string(b, NULL, "tx");
+
+ blobmsg_close_array(b, d);
}
-bool
-system_if_force_external(const char *ifname)
+static void
+system_get_ethtool_pause(struct device *dev, bool *rx_pause, bool *tx_pause, bool *pause_autoneg)
{
- char buf[64];
- struct stat s;
+ struct ethtool_pauseparam pp;
+ struct ifreq ifr = {
+ .ifr_data = (caddr_t)&pp,
+ };
+
+ strncpy(ifr.ifr_name, dev->ifname, sizeof(ifr.ifr_name) - 1);
+ memset(&pp, 0, sizeof(pp));
+ pp.cmd = ETHTOOL_GPAUSEPARAM;
+
+ /* may fail */
+ if (ioctl(sock_ioctl, SIOCETHTOOL, &ifr) == -1) {
+ *pause_autoneg = true;
+ return;
+ }
- snprintf(buf, sizeof(buf), "/sys/class/net/%s/phy80211", ifname);
- return stat(buf, &s) == 0;
+ *rx_pause = pp.rx_pause;
+ *tx_pause = pp.tx_pause;
+ *pause_autoneg = pp.autoneg;
}
int
system_if_dump_info(struct device *dev, struct blob_buf *b)
{
- struct ethtool_cmd ecmd;
- struct ifreq ifr;
- char buf[64], *s;
- void *c;
- int dir_fd;
+ __u32 *supported, *advertising, *lp_advertising;
+ bool rx_pause, tx_pause, pause_autoneg;
+ struct {
+ struct ethtool_link_settings req;
+ __u32 link_mode_data[3 * 127];
+ } ecmd;
+ struct ifreq ifr = {
+ .ifr_data = (caddr_t)&ecmd,
+ };
+ __s8 nwords;
+ void *c, *d;
+ char *s;
- snprintf(buf, sizeof(buf), "/sys/class/net/%s", dev->ifname);
- dir_fd = open(buf, O_DIRECTORY);
+ system_get_ethtool_pause(dev, &rx_pause, &tx_pause, &pause_autoneg);
memset(&ecmd, 0, sizeof(ecmd));
- memset(&ifr, 0, sizeof(ifr));
- strcpy(ifr.ifr_name, dev->ifname);
- ifr.ifr_data = (caddr_t) &ecmd;
- ecmd.cmd = ETHTOOL_GSET;
-
- if (ioctl(sock_ioctl, SIOCETHTOOL, &ifr) == 0) {
- c = blobmsg_open_array(b, "link-advertising");
- system_add_link_modes(b, ecmd.advertising);
- blobmsg_close_array(b, c);
-
- c = blobmsg_open_array(b, "link-supported");
- system_add_link_modes(b, ecmd.supported);
- blobmsg_close_array(b, c);
-
- s = blobmsg_alloc_string_buffer(b, "speed", 8);
- snprintf(s, 8, "%d%c", ethtool_cmd_speed(&ecmd),
- ecmd.duplex == DUPLEX_HALF ? 'H' : 'F');
+ ecmd.req.cmd = ETHTOOL_GLINKSETTINGS;
+ strncpy(ifr.ifr_name, dev->ifname, sizeof(ifr.ifr_name) - 1);
+
+ if (ioctl(sock_ioctl, SIOCETHTOOL, &ifr) < 0 ||
+ ecmd.req.link_mode_masks_nwords >= 0 ||
+ ecmd.req.cmd != ETHTOOL_GLINKSETTINGS)
+ return -EOPNOTSUPP;
+
+ ecmd.req.link_mode_masks_nwords = -ecmd.req.link_mode_masks_nwords;
+
+ if (ioctl(sock_ioctl, SIOCETHTOOL, &ifr) < 0 ||
+ ecmd.req.link_mode_masks_nwords <= 0 ||
+ ecmd.req.cmd != ETHTOOL_GLINKSETTINGS)
+ return -EIO;
+
+ nwords = ecmd.req.link_mode_masks_nwords;
+ supported = &ecmd.link_mode_data[0];
+ advertising = &ecmd.link_mode_data[nwords];
+ lp_advertising = &ecmd.link_mode_data[2 * nwords];
+
+ c = blobmsg_open_array(b, "link-advertising");
+ system_add_link_modes(nwords, b, advertising);
+ blobmsg_close_array(b, c);
+
+ c = blobmsg_open_array(b, "link-partner-advertising");
+ system_add_link_modes(nwords, b, lp_advertising);
+ blobmsg_close_array(b, c);
+
+ c = blobmsg_open_array(b, "link-supported");
+ system_add_link_modes(nwords, b, supported);
+ blobmsg_close_array(b, c);
+
+ if (ethtool_validate_speed(ecmd.req.speed) &&
+ (ecmd.req.speed != (__u32)SPEED_UNKNOWN) &&
+ (ecmd.req.speed != 0)) {
+ s = blobmsg_alloc_string_buffer(b, "speed", 10);
+ snprintf(s, 8, "%d%c", ecmd.req.speed,
+ ecmd.req.duplex == DUPLEX_HALF ? 'H' : 'F');
blobmsg_add_string_buffer(b);
}
+ blobmsg_add_u8(b, "autoneg", !!ecmd.req.autoneg);
+
+ c = blobmsg_open_table(b, "flow-control");
+ blobmsg_add_u8(b, "autoneg", pause_autoneg);
+
+ d = blobmsg_open_array(b, "supported");
+ system_add_pause_modes(nwords, b, supported);
+ blobmsg_close_array(b, d);
+
+ if (pause_autoneg) {
+ d = blobmsg_open_array(b, "link-advertising");
+ system_add_pause_modes(nwords, b, advertising);
+ blobmsg_close_array(b, d);
+ }
+
+ d = blobmsg_open_array(b, "link-partner-advertising");
+ system_add_pause_modes(nwords, b, lp_advertising);
+ blobmsg_close_array(b, d);
+
+ if (pause_autoneg) {
+ system_add_ethtool_pause_an(b, nwords, advertising,
+ lp_advertising);
+ } else {
+ d = blobmsg_open_array(b, "selected");
+ if (rx_pause)
+ blobmsg_add_string(b, NULL, "rx");
+
+ if (tx_pause)
+ blobmsg_add_string(b, NULL, "tx");
+
+ blobmsg_close_array(b, d);
+ }
+
+ blobmsg_close_table(b, c);
+
+ blobmsg_add_u8(b, "hw-tc-offload",
+ ethtool_feature_value(dev->ifname, "hw-tc-offload"));
+
+ system_add_devtype(b, dev->ifname);
- close(dir_fd);
return 0;
}
"rx_errors", "tx_bytes", "tx_window_errors",
"rx_fifo_errors", "tx_carrier_errors",
};
- char buf[64];
int stats_dir;
- int i;
+ size_t i;
uint64_t val = 0;
- snprintf(buf, sizeof(buf), "/sys/class/net/%s/statistics", dev->ifname);
- stats_dir = open(buf, O_DIRECTORY);
+ stats_dir = open(dev_sysfs_path(dev->ifname, "statistics"), O_DIRECTORY);
if (stats_dir < 0)
return -1;
return system_addr(dev, addr, RTM_DELADDR);
}
+static int system_neigh(struct device *dev, struct device_neighbor *neighbor, int cmd)
+{
+ int alen = ((neighbor->flags & DEVADDR_FAMILY) == DEVADDR_INET4) ? 4 : 16;
+ unsigned int flags = 0;
+ struct ndmsg ndm = {
+ .ndm_family = (alen == 4) ? AF_INET : AF_INET6,
+ .ndm_ifindex = dev->ifindex,
+ .ndm_state = NUD_PERMANENT,
+ .ndm_flags = (neighbor->proxy ? NTF_PROXY : 0) | (neighbor->router ? NTF_ROUTER : 0),
+ };
+ struct nl_msg *msg;
+
+ if (cmd == RTM_NEWNEIGH)
+ flags |= NLM_F_CREATE | NLM_F_REPLACE;
+
+ msg = nlmsg_alloc_simple(cmd, flags);
+
+ if (!msg)
+ return -1;
+
+ nlmsg_append(msg, &ndm, sizeof(ndm), 0);
+
+ nla_put(msg, NDA_DST, alen, &neighbor->addr);
+ if (neighbor->flags & DEVNEIGH_MAC)
+ nla_put(msg, NDA_LLADDR, sizeof(neighbor->macaddr), &neighbor->macaddr);
+
+
+ return system_rtnl_call(msg);
+}
+
+int system_add_neighbor(struct device *dev, struct device_neighbor *neighbor)
+{
+ return system_neigh(dev, neighbor, RTM_NEWNEIGH);
+}
+
+int system_del_neighbor(struct device *dev, struct device_neighbor *neighbor)
+{
+ return system_neigh(dev, neighbor, RTM_DELNEIGH);
+}
+
static int system_rt(struct device *dev, struct device_route *route, int cmd)
{
int alen = ((route->flags & DEVADDR_FAMILY) == DEVADDR_INET4) ? 4 : 16;
if (cmd == RTM_NEWROUTE) {
flags |= NLM_F_CREATE | NLM_F_REPLACE;
- if (!dev) { // Add null-route
+ if (!dev) { /* Add null-route */
rtm.rtm_scope = RT_SCOPE_UNIVERSE;
rtm.rtm_type = RTN_UNREACHABLE;
}
}
}
+ if (route->flags & DEVROUTE_NODEV)
+ dev = NULL;
+
msg = nlmsg_alloc_simple(cmd, flags);
if (!msg)
return -1;
int system_flush_routes(void)
{
- const char *names[] = {
- "/proc/sys/net/ipv4/route/flush",
- "/proc/sys/net/ipv6/route/flush"
- };
- int fd, i;
+ const char *names[] = { "ipv4", "ipv6" };
+ size_t i;
+ int fd;
for (i = 0; i < ARRAY_SIZE(names); i++) {
- fd = open(names[i], O_WRONLY);
+ snprintf(dev_buf, sizeof(dev_buf), "%s/sys/net/%s/route/flush", proc_path, names[i]);
+ fd = open(dev_buf, O_WRONLY);
if (fd < 0)
continue;
if (rule->flags & IPRULE_SUP_PREFIXLEN)
nla_put_u32(msg, FRA_SUPPRESS_PREFIXLEN, rule->sup_prefixlen);
+ if (rule->flags & IPRULE_UIDRANGE) {
+ struct fib_rule_uid_range uidrange = {
+ .start = rule->uidrange_start,
+ .end = rule->uidrange_end
+ };
+
+ nla_put(msg, FRA_UID_RANGE, sizeof(uidrange), &uidrange);
+ }
+
if (rule->flags & IPRULE_GOTO)
nla_put_u32(msg, FRA_GOTO, rule->gotoid);
struct timespec ts;
struct timeval tv;
- if (syscall(__NR_clock_gettime, CLOCK_MONOTONIC, &ts) == 0)
+ if (clock_gettime(CLOCK_MONOTONIC, &ts) == 0)
return ts.tv_sec;
if (gettimeofday(&tv, NULL) == 0)
struct ifreq ifr;
memset(&ifr, 0, sizeof(ifr));
- strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
+ strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name) - 1);
ifr.ifr_ifru.ifru_data = p;
return ioctl(sock_ioctl, cmd, &ifr);
}
nla_put_u8(nlm, IFLA_IPTUN_PROTO, IPPROTO_IPIP);
nla_put_u8(nlm, IFLA_IPTUN_TTL, (ttl) ? ttl : 64);
- nla_put_u8(nlm, IFLA_IPTUN_ENCAP_LIMIT, 4);
struct in6_addr in6buf;
if ((cur = tb[TUNNEL_ATTR_LOCAL])) {
nla_put(nlm, IFLA_IPTUN_REMOTE, sizeof(in6buf), &in6buf);
}
-#ifdef IFLA_IPTUN_FMR_MAX
if ((cur = tb[TUNNEL_ATTR_DATA])) {
- struct nlattr *fmrs = nla_nest_start(nlm, IFLA_IPTUN_FMRS);
- struct blob_attr *dcur;
- unsigned drem, fmrcnt = 0;
-
- blobmsg_for_each_attr(dcur, cur, drem) {
- if (blobmsg_type(dcur) != BLOBMSG_TYPE_ARRAY ||
- strcmp(blobmsg_name(dcur), "fmrs") ||
- blobmsg_check_array(dcur, BLOBMSG_TYPE_UNSPEC) <= 0)
- continue;
+ struct blob_attr *tb_data[__IPIP6_DATA_ATTR_MAX];
+ uint32_t tun_flags = IP6_TNL_F_IGN_ENCAP_LIMIT;
+
+ blobmsg_parse(ipip6_data_attr_list.params, __IPIP6_DATA_ATTR_MAX, tb_data,
+ blobmsg_data(cur), blobmsg_len(cur));
+
+ if ((cur = tb_data[IPIP6_DATA_ENCAPLIMIT])) {
+ char *str = blobmsg_get_string(cur);
+
+ if (strcmp(str, "ignore")) {
+ char *e;
+ unsigned encap_limit = strtoul(str, &e, 0);
+
+ if (e == str || *e || encap_limit > 255) {
+ ret = -EINVAL;
+ goto failure;
+ }
+
+ nla_put_u8(nlm, IFLA_IPTUN_ENCAP_LIMIT, encap_limit);
+ tun_flags &= ~IP6_TNL_F_IGN_ENCAP_LIMIT;
+ }
+ }
+#ifdef IFLA_IPTUN_FMR_MAX
+ if ((cur = tb_data[IPIP6_DATA_FMRS])) {
struct blob_attr *rcur;
- unsigned rrem;
- blobmsg_for_each_attr(rcur, dcur, rrem) {
+ unsigned rrem, fmrcnt = 0;
+ struct nlattr *fmrs = nla_nest_start(nlm, IFLA_IPTUN_FMRS);
+
+ if (!fmrs) {
+ ret = -ENOMEM;
+ goto failure;
+ }
+
+ blobmsg_for_each_attr(rcur, cur, rrem) {
struct blob_attr *tb_fmr[__FMR_DATA_ATTR_MAX], *tb_cur;
struct in6_addr ip6prefix;
struct in_addr ip4prefix;
offset = blobmsg_get_u32(tb_cur);
struct nlattr *rule = nla_nest_start(nlm, ++fmrcnt);
+ if (!rule) {
+ ret = -ENOMEM;
+ goto failure;
+ }
nla_put(nlm, IFLA_IPTUN_FMR_IP6_PREFIX, sizeof(ip6prefix), &ip6prefix);
nla_put(nlm, IFLA_IPTUN_FMR_IP4_PREFIX, sizeof(ip4prefix), &ip4prefix);
nla_nest_end(nlm, rule);
}
+
+ nla_nest_end(nlm, fmrs);
}
- nla_nest_end(nlm, fmrs);
- }
#endif
+ if (tun_flags)
+ nla_put_u32(nlm, IFLA_IPTUN_FLAGS, tun_flags);
+ }
nla_nest_end(nlm, infodata);
nla_nest_end(nlm, linkinfo);
struct nl_msg *nlm;
struct ifinfomsg ifi = { .ifi_family = AF_UNSPEC, };
struct blob_attr *cur;
- uint32_t ikey = 0, okey = 0, flags = 0, flowinfo = 0;
+ uint32_t ikey = 0, okey = 0, flowinfo = 0, flags6 = IP6_TNL_F_IGN_ENCAP_LIMIT;
uint16_t iflags = 0, oflags = 0;
uint8_t tos = 0;
int ret = 0, ttl = 0;
+ unsigned encap_limit = 0;
nlm = nlmsg_alloc_simple(RTM_NEWLINK, NLM_F_REQUEST | NLM_F_REPLACE | NLM_F_CREATE);
if (!nlm)
tos = uval;
} else {
if (v6)
- flags |= IP6_TNL_F_USE_ORIG_TCLASS;
+ flags6 |= IP6_TNL_F_USE_ORIG_TCLASS;
else
tos = 1;
}
iflags |= GRE_SEQ;
}
- if ((cur = tb[GRE_DATA_OSEQNO])) {
+ if ((cur = tb_data[GRE_DATA_OSEQNO])) {
if (blobmsg_get_bool(cur))
oflags |= GRE_SEQ;
}
+
+ if ((cur = tb_data[GRE_DATA_ENCAPLIMIT])) {
+ char *str = blobmsg_get_string(cur);
+
+ if (strcmp(str, "ignore")) {
+ char *e;
+
+ encap_limit = strtoul(str, &e, 0);
+
+ if (e == str || *e || encap_limit > 255) {
+ ret = -EINVAL;
+ goto failure;
+ }
+
+ flags6 &= ~IP6_TNL_F_IGN_ENCAP_LIMIT;
+ }
+ }
}
if (v6) {
}
nla_put(nlm, IFLA_GRE_REMOTE, sizeof(in6buf), &in6buf);
}
- nla_put_u8(nlm, IFLA_GRE_ENCAP_LIMIT, 4);
+
+ if (!(flags6 & IP6_TNL_F_IGN_ENCAP_LIMIT))
+ nla_put_u8(nlm, IFLA_GRE_ENCAP_LIMIT, encap_limit);
if (flowinfo)
nla_put_u32(nlm, IFLA_GRE_FLOWINFO, flowinfo);
- if (flags)
- nla_put_u32(nlm, IFLA_GRE_FLAGS, flags);
+ if (flags6)
+ nla_put_u32(nlm, IFLA_GRE_FLAGS, flags6);
if (!ttl)
ttl = 64;
}
#endif
+#ifdef IFLA_XFRM_MAX
+static int system_add_xfrm_tunnel(const char *name, const char *kind,
+ const unsigned int link, struct blob_attr **tb)
+{
+ struct nl_msg *nlm;
+ struct ifinfomsg ifi = { .ifi_family = AF_UNSPEC, };
+ struct blob_attr *cur;
+ int ret = 0;
+
+ nlm = nlmsg_alloc_simple(RTM_NEWLINK, NLM_F_REQUEST | NLM_F_REPLACE | NLM_F_CREATE);
+ if (!nlm)
+ return -1;
+
+ nlmsg_append(nlm, &ifi, sizeof(ifi), 0);
+ nla_put_string(nlm, IFLA_IFNAME, name);
+
+ struct nlattr *linkinfo = nla_nest_start(nlm, IFLA_LINKINFO);
+ if (!linkinfo) {
+ ret = -ENOMEM;
+ goto failure;
+ }
+
+ nla_put_string(nlm, IFLA_INFO_KIND, kind);
+ struct nlattr *infodata = nla_nest_start(nlm, IFLA_INFO_DATA);
+ if (!infodata) {
+ ret = -ENOMEM;
+ goto failure;
+ }
+
+ if (link)
+ nla_put_u32(nlm, IFLA_XFRM_LINK, link);
+
+ if ((cur = tb[TUNNEL_ATTR_DATA])) {
+ struct blob_attr *tb_data[__XFRM_DATA_ATTR_MAX];
+ uint32_t if_id = 0;
+
+ blobmsg_parse(xfrm_data_attr_list.params, __XFRM_DATA_ATTR_MAX, tb_data,
+ blobmsg_data(cur), blobmsg_len(cur));
+
+ if ((cur = tb_data[XFRM_DATA_IF_ID])) {
+ if ((if_id = blobmsg_get_u32(cur)))
+ nla_put_u32(nlm, IFLA_XFRM_IF_ID, if_id);
+ }
+
+ }
+
+ nla_nest_end(nlm, infodata);
+ nla_nest_end(nlm, linkinfo);
+
+ return system_rtnl_call(nlm);
+
+failure:
+ nlmsg_free(nlm);
+ return ret;
+}
+#endif
+
#ifdef IFLA_VXLAN_MAX
+static void system_vxlan_map_bool_attr(struct nl_msg *msg, struct blob_attr **tb_data, int attrtype, int vxlandatatype, bool invert) {
+ struct blob_attr *cur;
+ if ((cur = tb_data[vxlandatatype])) {
+ bool val = blobmsg_get_bool(cur);
+ if (invert)
+ val = !val;
+
+ if ((attrtype == IFLA_VXLAN_GBP) && val)
+ nla_put_flag(msg, attrtype);
+ else
+ nla_put_u8(msg, attrtype, val);
+
+ }
+}
+
static int system_add_vxlan(const char *name, const unsigned int link, struct blob_attr **tb, bool v6)
{
struct blob_attr *tb_data[__VXLAN_DATA_ATTR_MAX];
}
nla_put_u16(msg, IFLA_VXLAN_PORT, htons(port));
+ if ((cur = tb_data[VXLAN_DATA_ATTR_SRCPORTMIN])) {
+ struct ifla_vxlan_port_range srcports = {0,0};
+
+ uint32_t low = blobmsg_get_u32(cur);
+ if (low < 1 || low > 65535 - 1) {
+ ret = -EINVAL;
+ goto failure;
+ }
+
+ srcports.low = htons((uint16_t) low);
+ srcports.high = htons((uint16_t) (low+1));
+
+ if ((cur = tb_data[VXLAN_DATA_ATTR_SRCPORTMAX])) {
+ uint32_t high = blobmsg_get_u32(cur);
+ if (high < 1 || high > 65535) {
+ ret = -EINVAL;
+ goto failure;
+ }
+
+ if (high > low)
+ srcports.high = htons((uint16_t) high);
+ }
+
+ nla_put(msg, IFLA_VXLAN_PORT_RANGE, sizeof(srcports), &srcports);
+ }
+
+ system_vxlan_map_bool_attr(msg, tb_data, IFLA_VXLAN_UDP_CSUM, VXLAN_DATA_ATTR_TXCSUM, false);
+ system_vxlan_map_bool_attr(msg, tb_data, IFLA_VXLAN_UDP_ZERO_CSUM6_RX, VXLAN_DATA_ATTR_RXCSUM, true);
+ system_vxlan_map_bool_attr(msg, tb_data, IFLA_VXLAN_UDP_ZERO_CSUM6_TX, VXLAN_DATA_ATTR_TXCSUM, true);
+ system_vxlan_map_bool_attr(msg, tb_data, IFLA_VXLAN_LEARNING, VXLAN_DATA_ATTR_LEARNING, false);
+ system_vxlan_map_bool_attr(msg, tb_data, IFLA_VXLAN_RSC , VXLAN_DATA_ATTR_RSC, false);
+ system_vxlan_map_bool_attr(msg, tb_data, IFLA_VXLAN_PROXY , VXLAN_DATA_ATTR_PROXY, false);
+ system_vxlan_map_bool_attr(msg, tb_data, IFLA_VXLAN_L2MISS , VXLAN_DATA_ATTR_L2MISS, false);
+ system_vxlan_map_bool_attr(msg, tb_data, IFLA_VXLAN_L3MISS , VXLAN_DATA_ATTR_L3MISS, false);
+ system_vxlan_map_bool_attr(msg, tb_data, IFLA_VXLAN_GBP , VXLAN_DATA_ATTR_GBP, false);
+
+ if ((cur = tb_data[VXLAN_DATA_ATTR_AGEING])) {
+ uint32_t ageing = blobmsg_get_u32(cur);
+ nla_put_u32(msg, IFLA_VXLAN_AGEING, ageing);
+ }
+
+ if ((cur = tb_data[VXLAN_DATA_ATTR_LIMIT])) {
+ uint32_t maxaddress = blobmsg_get_u32(cur);
+ nla_put_u32(msg, IFLA_VXLAN_LIMIT, maxaddress);
+ }
+
if ((cur = tb[TUNNEL_ATTR_TOS])) {
char *str = blobmsg_get_string(cur);
unsigned tos = 1;
if (strcmp(str, "inherit")) {
- if (!system_tos_aton(str, &tos))
- return -EINVAL;
+ if (!system_tos_aton(str, &tos)) {
+ ret = -EINVAL;
+ goto failure;
+ }
}
nla_put_u8(msg, IFLA_VXLAN_TOS, tos);
ret = system_rtnl_call(msg);
if (ret)
- D(SYSTEM, "Error adding vxlan '%s': %d\n", name, ret);
+ D(SYSTEM, "Error adding vxlan '%s': %d", name, ret);
return ret;
return ret;
failure:
- __system_del_ip_tunnel(name, tb);
+ system_link_del(name);
return ret;
}
if (p.iph.ttl && p.iph.frag_off == 0)
return -EINVAL;
- strncpy(p.name, name, sizeof(p.name));
+ strncpy(p.name, name, sizeof(p.name) - 1);
switch (p.iph.protocol) {
case IPPROTO_IPIP:
return -1;
}
-static int __system_del_ip_tunnel(const char *name, struct blob_attr **tb)
-{
- struct blob_attr *cur;
- const char *str;
-
- if (!(cur = tb[TUNNEL_ATTR_TYPE]))
- return -EINVAL;
- str = blobmsg_data(cur);
-
- if (!strcmp(str, "greip") || !strcmp(str, "gretapip") ||
- !strcmp(str, "greip6") || !strcmp(str, "gretapip6") ||
- !strcmp(str, "vtiip") || !strcmp(str, "vtiip6") ||
- !strcmp(str, "vxlan") || !strcmp(str, "vxlan6"))
- return system_link_del(name);
- else
- return tunnel_ioctl(name, SIOCDELTUNNEL, NULL);
-}
-
-int system_del_ip_tunnel(const char *name, struct blob_attr *attr)
+int system_del_ip_tunnel(const struct device *dev)
{
- struct blob_attr *tb[__TUNNEL_ATTR_MAX];
-
- blobmsg_parse(tunnel_attr_list.params, __TUNNEL_ATTR_MAX, tb,
- blob_data(attr), blob_len(attr));
-
- return __system_del_ip_tunnel(name, tb);
+ return system_link_del(dev->ifname);
}
int system_update_ipv6_mtu(struct device *dev, int mtu)
char buf[64];
int fd;
- snprintf(buf, sizeof(buf), "/proc/sys/net/ipv6/conf/%s/mtu",
- dev->ifname);
-
- fd = open(buf, O_RDWR);
+ fd = open(dev_sysctl_path("ipv6/conf", dev->ifname, "mtu"), O_RDWR);
if (fd < 0)
return ret;
return ret;
}
-int system_add_ip_tunnel(const char *name, struct blob_attr *attr)
+int system_add_ip_tunnel(const struct device *dev, struct blob_attr *attr)
{
struct blob_attr *tb[__TUNNEL_ATTR_MAX];
struct blob_attr *cur;
blobmsg_parse(tunnel_attr_list.params, __TUNNEL_ATTR_MAX, tb,
blob_data(attr), blob_len(attr));
- __system_del_ip_tunnel(name, tb);
+ system_link_del(dev->ifname);
if (!(cur = tb[TUNNEL_ATTR_TYPE]))
return -EINVAL;
}
if (!strcmp(str, "sit"))
- return system_add_sit_tunnel(name, link, tb);
+ return system_add_sit_tunnel(dev->ifname, link, tb);
#ifdef IFLA_IPTUN_MAX
else if (!strcmp(str, "ipip6")) {
- return system_add_ip6_tunnel(name, link, tb);
+ return system_add_ip6_tunnel(dev->ifname, link, tb);
} else if (!strcmp(str, "greip")) {
- return system_add_gre_tunnel(name, "gre", link, tb, false);
+ return system_add_gre_tunnel(dev->ifname, "gre", link, tb, false);
} else if (!strcmp(str, "gretapip")) {
- return system_add_gre_tunnel(name, "gretap", link, tb, false);
+ return system_add_gre_tunnel(dev->ifname, "gretap", link, tb, false);
} else if (!strcmp(str, "greip6")) {
- return system_add_gre_tunnel(name, "ip6gre", link, tb, true);
+ return system_add_gre_tunnel(dev->ifname, "ip6gre", link, tb, true);
} else if (!strcmp(str, "gretapip6")) {
- return system_add_gre_tunnel(name, "ip6gretap", link, tb, true);
+ return system_add_gre_tunnel(dev->ifname, "ip6gretap", link, tb, true);
#ifdef IFLA_VTI_MAX
} else if (!strcmp(str, "vtiip")) {
- return system_add_vti_tunnel(name, "vti", link, tb, false);
+ return system_add_vti_tunnel(dev->ifname, "vti", link, tb, false);
} else if (!strcmp(str, "vtiip6")) {
- return system_add_vti_tunnel(name, "vti6", link, tb, true);
+ return system_add_vti_tunnel(dev->ifname, "vti6", link, tb, true);
+#endif
+#ifdef IFLA_XFRM_MAX
+ } else if (!strcmp(str, "xfrm")) {
+ return system_add_xfrm_tunnel(dev->ifname, "xfrm", link, tb);
#endif
#ifdef IFLA_VXLAN_MAX
} else if(!strcmp(str, "vxlan")) {
- return system_add_vxlan(name, link, tb, false);
+ return system_add_vxlan(dev->ifname, link, tb, false);
} else if(!strcmp(str, "vxlan6")) {
- return system_add_vxlan(name, link, tb, true);
+ return system_add_vxlan(dev->ifname, link, tb, true);
#endif
#endif
} else if (!strcmp(str, "ipip")) {
- return system_add_proto_tunnel(name, IPPROTO_IPIP, link, tb);
+ return system_add_proto_tunnel(dev->ifname, IPPROTO_IPIP, link, tb);
}
else
return -EINVAL;
projects / project / netifd.git / blobdiff