/*
* Copyright (c) 2011 Gaetano Catalli.
+ * Copyright (c) 2013 YAMAMOTO Takashi.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
#include <string.h>
#include <unistd.h>
#include <sys/sysctl.h>
+#if defined(__NetBSD__)
+#include <net/route.h>
+#endif
#include "rtbsd.h"
#include "coverage.h"
/* An AF_INET socket (used for ioctl operations). */
static int af_inet_sock = -1;
+#if defined(__NetBSD__)
+/* AF_LINK socket used for netdev_bsd_get_stats and set_etheraddr */
+static int af_link_sock = -1;
+#endif /* defined(__NetBSD__) */
+
#define PCAP_SNAPLEN 2048
af_inet_sock = socket(AF_INET, SOCK_DGRAM, 0);
status = af_inet_sock >= 0 ? 0 : errno;
-
if (status) {
VLOG_ERR("failed to create inet socket: %s", strerror(status));
+ return status;
+ }
+
+#if defined(__NetBSD__)
+ af_link_sock = socket(AF_LINK, SOCK_DGRAM, 0);
+ status = af_link_sock >= 0 ? 0 : errno;
+ if (status) {
+ VLOG_ERR("failed to create link socket: %s", strerror(status));
+ close(af_inet_sock);
+ af_inet_sock = -1;
}
+#endif /* defined(__NetBSD__) */
return status;
}
return 0;
}
+static void
+convert_stats(struct netdev_stats *stats, const struct if_data *ifd)
+{
+ /*
+ * note: UINT64_MAX means unsupported
+ */
+ stats->rx_packets = ifd->ifi_ipackets;
+ stats->tx_packets = ifd->ifi_opackets;
+ stats->rx_bytes = ifd->ifi_obytes;
+ stats->tx_bytes = ifd->ifi_ibytes;
+ stats->rx_errors = ifd->ifi_ierrors;
+ stats->tx_errors = ifd->ifi_oerrors;
+ stats->rx_dropped = ifd->ifi_iqdrops;
+ stats->tx_dropped = UINT64_MAX;
+ stats->multicast = ifd->ifi_imcasts;
+ stats->collisions = ifd->ifi_collisions;
+ stats->rx_length_errors = UINT64_MAX;
+ stats->rx_over_errors = UINT64_MAX;
+ stats->rx_crc_errors = UINT64_MAX;
+ stats->rx_frame_errors = UINT64_MAX;
+ stats->rx_fifo_errors = UINT64_MAX;
+ stats->rx_missed_errors = UINT64_MAX;
+ stats->tx_aborted_errors = UINT64_MAX;
+ stats->tx_carrier_errors = UINT64_MAX;
+ stats->tx_fifo_errors = UINT64_MAX;
+ stats->tx_heartbeat_errors = UINT64_MAX;
+ stats->tx_window_errors = UINT64_MAX;
+}
+
/* Retrieves current device stats for 'netdev'. */
static int
-netdev_bsd_get_stats(const struct netdev *netdev_ OVS_UNUSED,
- struct netdev_stats *stats)
+netdev_bsd_get_stats(const struct netdev *netdev_, struct netdev_stats *stats)
{
#if defined(__FreeBSD__)
int if_count, i;
netdev_get_name(netdev_), strerror(errno));
return errno;
} else if (!strcmp(ifmd.ifmd_name, netdev_get_name(netdev_))) {
- stats->rx_packets = ifmd.ifmd_data.ifi_ipackets;
- stats->tx_packets = ifmd.ifmd_data.ifi_opackets;
- stats->rx_bytes = ifmd.ifmd_data.ifi_ibytes;
- stats->tx_bytes = ifmd.ifmd_data.ifi_obytes;
- stats->rx_errors = ifmd.ifmd_data.ifi_ierrors;
- stats->tx_errors = ifmd.ifmd_data.ifi_oerrors;
- stats->rx_dropped = ifmd.ifmd_data.ifi_iqdrops;
- stats->tx_dropped = UINT64_MAX;
- stats->multicast = ifmd.ifmd_data.ifi_imcasts;
- stats->collisions = ifmd.ifmd_data.ifi_collisions;
-
- stats->rx_length_errors = UINT64_MAX;
- stats->rx_over_errors = UINT64_MAX;
- stats->rx_crc_errors = UINT64_MAX;
- stats->rx_frame_errors = UINT64_MAX;
- stats->rx_fifo_errors = UINT64_MAX;
- stats->rx_missed_errors = UINT64_MAX;
-
- stats->tx_aborted_errors = UINT64_MAX;
- stats->tx_carrier_errors = UINT64_MAX;
- stats->tx_fifo_errors = UINT64_MAX;
- stats->tx_heartbeat_errors = UINT64_MAX;
- stats->tx_window_errors = UINT64_MAX;
+ convert_stats(stats, &ifmd.ifmd_data);
break;
}
}
return 0;
-#else
- /* XXXnotyet */
- memset(stats, 0, sizeof(*stats));
+#elif defined(__NetBSD__)
+ struct ifdatareq ifdr;
+ int saved_errno;
+ int ret;
+
+ memset(&ifdr, 0, sizeof(ifdr));
+ strncpy(ifdr.ifdr_name, netdev_get_kernel_name(netdev_),
+ sizeof(ifdr.ifdr_name));
+ ret = ioctl(af_link_sock, SIOCGIFDATA, &ifdr);
+ saved_errno = errno;
+ if (ret == -1) {
+ return saved_errno;
+ }
+ convert_stats(stats, &ifdr.ifdr_data);
return 0;
+#else
+#error not implemented
#endif
}
return 0;
}
+#if defined(__NetBSD__)
+static struct netdev *
+find_netdev_by_kernel_name(const char *kernel_name)
+{
+ struct shash device_shash;
+ struct shash_node *node;
+
+ shash_init(&device_shash);
+ netdev_get_devices(&netdev_tap_class, &device_shash);
+ SHASH_FOR_EACH(node, &device_shash) {
+ struct netdev_bsd * const dev = node->data;
+
+ if (!strcmp(dev->kernel_name, kernel_name)) {
+ shash_destroy(&device_shash);
+ return &dev->up;
+ }
+ }
+ shash_destroy(&device_shash);
+ return NULL;
+}
+
+static const char *
+netdev_bsd_convert_kernel_name_to_ovs_name(const char *kernel_name)
+{
+ const struct netdev * const netdev =
+ find_netdev_by_kernel_name(kernel_name);
+
+ if (netdev == NULL) {
+ return NULL;
+ }
+ return netdev_get_name(netdev);
+}
+#endif
+
+static int
+netdev_bsd_get_next_hop(const struct in_addr *host, struct in_addr *next_hop,
+ char **netdev_name)
+{
+#if defined(__NetBSD__)
+ static int seq = 0;
+ struct sockaddr_in sin;
+ struct sockaddr_dl sdl;
+ int s;
+ int i;
+ struct {
+ struct rt_msghdr h;
+ char space[512];
+ } buf;
+ struct rt_msghdr *rtm = &buf.h;
+ const pid_t pid = getpid();
+ char *cp;
+ ssize_t ssz;
+ bool gateway = false;
+ char *ifname = NULL;
+ int saved_errno;
+
+ memset(next_hop, 0, sizeof(*next_hop));
+ *netdev_name = NULL;
+
+ memset(&sin, 0, sizeof(sin));
+ sin.sin_len = sizeof(sin);
+ sin.sin_family = AF_INET;
+ sin.sin_port = 0;
+ sin.sin_addr = *host;
+
+ memset(&sdl, 0, sizeof(sdl));
+ sdl.sdl_len = sizeof(sdl);
+ sdl.sdl_family = AF_LINK;
+
+ s = socket(PF_ROUTE, SOCK_RAW, 0);
+ memset(&buf, 0, sizeof(buf));
+ rtm->rtm_flags = RTF_HOST|RTF_UP;
+ rtm->rtm_version = RTM_VERSION;
+ rtm->rtm_addrs = RTA_DST|RTA_IFP;
+ cp = (void *)&buf.space;
+ memcpy(cp, &sin, sizeof(sin));
+ RT_ADVANCE(cp, (struct sockaddr *)(void *)&sin);
+ memcpy(cp, &sdl, sizeof(sdl));
+ RT_ADVANCE(cp, (struct sockaddr *)(void *)&sdl);
+ rtm->rtm_msglen = cp - (char *)(void *)rtm;
+ rtm->rtm_seq = ++seq;
+ rtm->rtm_type = RTM_GET;
+ rtm->rtm_pid = pid;
+ write(s, rtm, rtm->rtm_msglen);
+ memset(&buf, 0, sizeof(buf));
+ do {
+ ssz = read(s, &buf, sizeof(buf));
+ } while (ssz > 0 && (rtm->rtm_seq != seq || rtm->rtm_pid != pid));
+ saved_errno = errno;
+ close(s);
+ if (ssz <= 0) {
+ if (ssz < 0) {
+ return saved_errno;
+ }
+ return EPIPE; /* XXX */
+ }
+ cp = (void *)&buf.space;
+ for (i = 1; i; i <<= 1) {
+ if ((rtm->rtm_addrs & i) != 0) {
+ const struct sockaddr *sa = (const void *)cp;
+
+ if ((i == RTA_GATEWAY) && sa->sa_family == AF_INET) {
+ const struct sockaddr_in * const sin =
+ (const struct sockaddr_in *)sa;
+
+ *next_hop = sin->sin_addr;
+ gateway = true;
+ }
+ if ((i == RTA_IFP) && sa->sa_family == AF_LINK) {
+ const struct sockaddr_dl * const sdl =
+ (const struct sockaddr_dl *)sa;
+ const size_t nlen = sdl->sdl_nlen;
+ char * const kernel_name = xmalloc(nlen + 1);
+ const char *name;
+
+ memcpy(kernel_name, sdl->sdl_data, nlen);
+ kernel_name[nlen] = 0;
+ name = netdev_bsd_convert_kernel_name_to_ovs_name(kernel_name);
+ if (name == NULL) {
+ ifname = xstrdup(kernel_name);
+ } else {
+ ifname = xstrdup(name);
+ }
+ free(kernel_name);
+ }
+ RT_ADVANCE(cp, sa);
+ }
+ }
+ if (ifname == NULL) {
+ return ENXIO;
+ }
+ if (!gateway) {
+ *next_hop = *host;
+ }
+ *netdev_name = ifname;
+ VLOG_DBG("host " IP_FMT " next-hop " IP_FMT " if %s",
+ IP_ARGS(host->s_addr), IP_ARGS(next_hop->s_addr), *netdev_name);
+ return 0;
+#else
+ return EOPNOTSUPP;
+#endif
+}
+
static void
make_in4_sockaddr(struct sockaddr *sa, struct in_addr addr)
{
netdev_bsd_set_in4,
netdev_bsd_get_in6,
NULL, /* add_router */
- NULL, /* get_next_hop */
+ netdev_bsd_get_next_hop,
NULL, /* get_status */
NULL, /* arp_lookup */
netdev_bsd_set_in4,
netdev_bsd_get_in6,
NULL, /* add_router */
- NULL, /* get_next_hop */
+ netdev_bsd_get_next_hop,
NULL, /* get_status */
NULL, /* arp_lookup */
int hwaddr_len OVS_UNUSED,
const uint8_t mac[ETH_ADDR_LEN] OVS_UNUSED)
{
-#if defined(__NetBSD__)
- return ENOTSUP; /* XXX */
-#else
+#if defined(__FreeBSD__)
struct ifreq ifr;
memset(&ifr, 0, sizeof ifr);
return errno;
}
return 0;
+#elif defined(__NetBSD__)
+ struct if_laddrreq req;
+ struct sockaddr_dl *sdl;
+ struct sockaddr_storage oldaddr;
+ int ret;
+
+ /*
+ * get the old address, add new one, and then remove old one.
+ */
+
+ if (hwaddr_len != ETH_ADDR_LEN) {
+ /* just to be safe about sockaddr storage size */
+ return EOPNOTSUPP;
+ }
+ memset(&req, 0, sizeof(req));
+ strncpy(req.iflr_name, netdev_name, sizeof(req.iflr_name));
+ req.addr.ss_len = sizeof(req.addr);
+ req.addr.ss_family = hwaddr_family;
+ sdl = (struct sockaddr_dl *)&req.addr;
+ sdl->sdl_alen = hwaddr_len;
+ ret = ioctl(af_link_sock, SIOCGLIFADDR, &req);
+ if (ret == -1) {
+ return errno;
+ }
+ if (!memcmp(&sdl->sdl_data[sdl->sdl_nlen], mac, hwaddr_len)) {
+ return 0;
+ }
+ oldaddr = req.addr;
+
+ memset(&req, 0, sizeof(req));
+ strncpy(req.iflr_name, netdev_name, sizeof(req.iflr_name));
+ req.flags = IFLR_ACTIVE;
+ sdl = (struct sockaddr_dl *)&req.addr;
+ sdl->sdl_len = offsetof(struct sockaddr_dl, sdl_data) + hwaddr_len;
+ sdl->sdl_alen = hwaddr_len;
+ sdl->sdl_family = hwaddr_family;
+ memcpy(sdl->sdl_data, mac, hwaddr_len);
+ ret = ioctl(af_link_sock, SIOCALIFADDR, &req);
+ if (ret == -1) {
+ return errno;
+ }
+
+ memset(&req, 0, sizeof(req));
+ strncpy(req.iflr_name, netdev_name, sizeof(req.iflr_name));
+ req.addr = oldaddr;
+ ret = ioctl(af_link_sock, SIOCDLIFADDR, &req);
+ if (ret == -1) {
+ return errno;
+ }
+ return 0;
+#else
+#error not implemented
#endif
}
ifr_get_flags(const struct ifreq *ifr)
{
#ifdef HAVE_STRUCT_IFREQ_IFR_FLAGSHIGH
- return (ifr.ifr_flagshigh << 16) | ifr.ifr_flags;
+ return (ifr->ifr_flagshigh << 16) | ifr->ifr_flags;
#else
- return ifr.ifr_flags;
+ return ifr->ifr_flags;
#endif
}
git://git.onelab.eu / sliver-openvswitch.git / blobdiff