IEEE80211_P2P_ATTR_DEVICE_ID,
p2p_dev_addr, sizeof(p2p_dev_addr));
if ((err >= 0) &&
- (!memcmp(p2p_dev_addr, afx_hdl->tx_dst_addr, ETH_ALEN))) {
+ (ether_addr_equal(p2p_dev_addr, afx_hdl->tx_dst_addr))) {
if (!bi->ctl_ch) {
ch.chspec = le16_to_cpu(bi->chanspec);
cfg->d11inf.decchspec(&ch);
(brcmf_p2p_gon_req_collision(p2p, (u8 *)e->addr))) {
if (test_bit(BRCMF_P2P_STATUS_FINDING_COMMON_CHANNEL,
&p2p->status) &&
- (memcmp(afx_hdl->tx_dst_addr, e->addr,
- ETH_ALEN) == 0)) {
+ (ether_addr_equal(afx_hdl->tx_dst_addr, e->addr))) {
afx_hdl->peer_chan = ch.chnum;
brcmf_dbg(INFO, "GON request: Peer found, channel=%d\n",
afx_hdl->peer_chan);
cfg->d11inf.decchspec(&ch);
if (test_bit(BRCMF_P2P_STATUS_FINDING_COMMON_CHANNEL, &p2p->status) &&
- (memcmp(afx_hdl->tx_dst_addr, e->addr, ETH_ALEN) == 0)) {
+ (ether_addr_equal(afx_hdl->tx_dst_addr, e->addr))) {
afx_hdl->peer_chan = ch.chnum;
brcmf_dbg(INFO, "PROBE REQUEST: Peer found, channel=%d\n",
afx_hdl->peer_chan);
err = brcmf_fil_iovar_int_set(pri_ifp, "p2p_disc", 1);
if (err < 0) {
brcmf_err("set p2p_disc error\n");
- brcmf_free_vif(cfg, p2p_vif);
+ brcmf_free_vif(p2p_vif);
goto exit;
}
/* obtain bsscfg index for P2P discovery */
err = brcmf_fil_iovar_int_get(pri_ifp, "p2p_dev", &bssidx);
if (err < 0) {
brcmf_err("retrieving discover bsscfg index failed\n");
- brcmf_free_vif(cfg, p2p_vif);
+ brcmf_free_vif(p2p_vif);
goto exit;
}
/* Verify that firmware uses same bssidx as driver !! */
if (p2p_ifp->bssidx != bssidx) {
brcmf_err("Incorrect bssidx=%d, compared to p2p_ifp->bssidx=%d\n",
bssidx, p2p_ifp->bssidx);
- brcmf_free_vif(cfg, p2p_vif);
+ brcmf_free_vif(p2p_vif);
goto exit;
}
brcmf_p2p_cancel_remain_on_channel(vif->ifp);
brcmf_p2p_deinit_discovery(p2p);
/* remove discovery interface */
- brcmf_free_vif(p2p->cfg, vif);
+ brcmf_free_vif(vif);
p2p->bss_idx[P2PAPI_BSSCFG_DEVICE].vif = NULL;
}
/* just set it all to zero */
return &p2p_vif->wdev;
fail:
- brcmf_free_vif(p2p->cfg, p2p_vif);
+ brcmf_free_vif(p2p_vif);
return ERR_PTR(err);
}
*
* @vif: virtual interface object to delete.
*/
- static void brcmf_p2p_delete_p2pdev(struct brcmf_cfg80211_info *cfg,
+ static void brcmf_p2p_delete_p2pdev(struct brcmf_p2p_info *p2p,
struct brcmf_cfg80211_vif *vif)
{
cfg80211_unregister_wdev(&vif->wdev);
- cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif = NULL;
- brcmf_free_vif(cfg, vif);
- }
-
- /**
- * brcmf_p2p_free_p2p_if() - free up net device related data.
- *
- * @ndev: net device that needs to be freed.
- */
- static void brcmf_p2p_free_p2p_if(struct net_device *ndev)
- {
- struct brcmf_cfg80211_info *cfg;
- struct brcmf_cfg80211_vif *vif;
- struct brcmf_if *ifp;
-
- ifp = netdev_priv(ndev);
- cfg = ifp->drvr->config;
- vif = ifp->vif;
-
- brcmf_free_vif(cfg, vif);
- free_netdev(ifp->ndev);
+ p2p->bss_idx[P2PAPI_BSSCFG_DEVICE].vif = NULL;
+ brcmf_free_vif(vif);
}
/**
brcmf_err("Registering netdevice failed\n");
goto fail;
}
- /* override destructor */
- ifp->ndev->destructor = brcmf_p2p_free_p2p_if;
cfg->p2p.bss_idx[P2PAPI_BSSCFG_CONNECTION].vif = vif;
/* Disable firmware roaming for P2P interface */
return &ifp->vif->wdev;
fail:
- brcmf_free_vif(cfg, vif);
+ brcmf_free_vif(vif);
return ERR_PTR(err);
}
*
* @wiphy: wiphy device of interface.
* @wdev: wireless device of interface.
- *
- * TODO: not yet supported.
*/
int brcmf_p2p_del_vif(struct wiphy *wiphy, struct wireless_dev *wdev)
{
break;
case NL80211_IFTYPE_P2P_DEVICE:
- brcmf_p2p_delete_p2pdev(cfg, vif);
+ brcmf_p2p_delete_p2pdev(p2p, vif);
return 0;
default:
return -ENOTSUPP;
#include <linux/etherdevice.h>
#include <linux/vmalloc.h>
#include <linux/slab.h>
+ #include <linux/netdevice.h>
#include "wl1251.h"
#include "wl12xx_80211.h"
wl->next_tx_complete = 0;
wl->elp = false;
wl->station_mode = STATION_ACTIVE_MODE;
+ wl->psm_entry_retry = 0;
wl->tx_queue_stopped = false;
wl->power_level = WL1251_DEFAULT_POWER_LEVEL;
wl->rssi_thold = 0;
wl->channel = WL1251_DEFAULT_CHANNEL;
+ wl->monitor_present = false;
+ wl->joined = false;
wl1251_debugfs_reset(wl);
goto out;
}
- if (memcmp(wl->mac_addr, vif->addr, ETH_ALEN)) {
+ if (!ether_addr_equal_unaligned(wl->mac_addr, vif->addr)) {
memcpy(wl->mac_addr, vif->addr, ETH_ALEN);
SET_IEEE80211_PERM_ADDR(wl->hw, wl->mac_addr);
ret = wl1251_acx_station_id(wl);
mutex_lock(&wl->mutex);
wl1251_debug(DEBUG_MAC80211, "mac80211 remove interface");
wl->vif = NULL;
+ memset(wl->bssid, 0, ETH_ALEN);
mutex_unlock(&wl->mutex);
}
sizeof(template));
}
+ static bool wl1251_can_do_pm(struct ieee80211_conf *conf, struct wl1251 *wl)
+ {
+ return (conf->flags & IEEE80211_CONF_PS) && !wl->monitor_present;
+ }
+
static int wl1251_op_config(struct ieee80211_hw *hw, u32 changed)
{
struct wl1251 *wl = hw->priv;
channel = ieee80211_frequency_to_channel(
conf->chandef.chan->center_freq);
- wl1251_debug(DEBUG_MAC80211, "mac80211 config ch %d psm %s power %d",
+ wl1251_debug(DEBUG_MAC80211,
+ "mac80211 config ch %d monitor %s psm %s power %d",
channel,
+ conf->flags & IEEE80211_CONF_MONITOR ? "on" : "off",
conf->flags & IEEE80211_CONF_PS ? "on" : "off",
conf->power_level);
if (ret < 0)
goto out;
+ if (changed & IEEE80211_CONF_CHANGE_MONITOR) {
+ u32 mode;
+
+ if (conf->flags & IEEE80211_CONF_MONITOR) {
+ wl->monitor_present = true;
+ mode = DF_SNIFF_MODE_ENABLE | DF_ENCRYPTION_DISABLE;
+ } else {
+ wl->monitor_present = false;
+ mode = 0;
+ }
+
+ ret = wl1251_acx_feature_cfg(wl, mode);
+ if (ret < 0)
+ goto out_sleep;
+ }
+
if (channel != wl->channel) {
wl->channel = channel;
- ret = wl1251_join(wl, wl->bss_type, wl->channel,
- wl->beacon_int, wl->dtim_period);
+ /*
+ * Use ENABLE_RX command for channel switching when no
+ * interface is present (monitor mode only).
+ * This leaves the tx path disabled in firmware, whereas
+ * the usual JOIN command seems to transmit some frames
+ * at firmware level.
+ */
+ if (wl->vif == NULL) {
+ wl->joined = false;
+ ret = wl1251_cmd_data_path_rx(wl, wl->channel, 1);
+ } else {
+ ret = wl1251_join(wl, wl->bss_type, wl->channel,
+ wl->beacon_int, wl->dtim_period);
+ }
if (ret < 0)
goto out_sleep;
}
- if (conf->flags & IEEE80211_CONF_PS && !wl->psm_requested) {
+ if (wl1251_can_do_pm(conf, wl) && !wl->psm_requested) {
wl1251_debug(DEBUG_PSM, "psm enabled");
wl->psm_requested = true;
ret = wl1251_ps_set_mode(wl, STATION_POWER_SAVE_MODE);
if (ret < 0)
goto out_sleep;
- } else if (!(conf->flags & IEEE80211_CONF_PS) &&
- wl->psm_requested) {
+ } else if (!wl1251_can_do_pm(conf, wl) && wl->psm_requested) {
wl1251_debug(DEBUG_PSM, "psm disabled");
wl->psm_requested = false;
wl->power_level = conf->power_level;
}
+ /*
+ * Tell stack that connection is lost because hw encryption isn't
+ * supported in monitor mode.
+ * This requires temporary enabling of the hw connection monitor flag
+ */
+ if ((changed & IEEE80211_CONF_CHANGE_MONITOR) && wl->vif) {
+ wl->hw->flags |= IEEE80211_HW_CONNECTION_MONITOR;
+ ieee80211_connection_loss(wl->vif);
+ }
+
out_sleep:
wl1251_ps_elp_sleep(wl);
return ret;
}
+ struct wl1251_filter_params {
+ bool enabled;
+ int mc_list_length;
+ u8 mc_list[ACX_MC_ADDRESS_GROUP_MAX][ETH_ALEN];
+ };
+
+ static u64 wl1251_op_prepare_multicast(struct ieee80211_hw *hw,
+ struct netdev_hw_addr_list *mc_list)
+ {
+ struct wl1251_filter_params *fp;
+ struct netdev_hw_addr *ha;
+ struct wl1251 *wl = hw->priv;
+
+ if (unlikely(wl->state == WL1251_STATE_OFF))
+ return 0;
+
+ fp = kzalloc(sizeof(*fp), GFP_ATOMIC);
+ if (!fp) {
+ wl1251_error("Out of memory setting filters.");
+ return 0;
+ }
+
+ /* update multicast filtering parameters */
+ fp->mc_list_length = 0;
+ if (netdev_hw_addr_list_count(mc_list) > ACX_MC_ADDRESS_GROUP_MAX) {
+ fp->enabled = false;
+ } else {
+ fp->enabled = true;
+ netdev_hw_addr_list_for_each(ha, mc_list) {
+ memcpy(fp->mc_list[fp->mc_list_length],
+ ha->addr, ETH_ALEN);
+ fp->mc_list_length++;
+ }
+ }
+
+ return (u64)(unsigned long)fp;
+ }
+
#define WL1251_SUPPORTED_FILTERS (FIF_PROMISC_IN_BSS | \
FIF_ALLMULTI | \
FIF_FCSFAIL | \
static void wl1251_op_configure_filter(struct ieee80211_hw *hw,
unsigned int changed,
- unsigned int *total,u64 multicast)
+ unsigned int *total, u64 multicast)
{
+ struct wl1251_filter_params *fp = (void *)(unsigned long)multicast;
struct wl1251 *wl = hw->priv;
int ret;
*total &= WL1251_SUPPORTED_FILTERS;
changed &= WL1251_SUPPORTED_FILTERS;
- if (changed == 0)
+ if (changed == 0) {
/* no filters which we support changed */
+ kfree(fp);
return;
+ }
mutex_lock(&wl->mutex);
if (ret < 0)
goto out;
+ if (*total & FIF_ALLMULTI || *total & FIF_PROMISC_IN_BSS)
+ ret = wl1251_acx_group_address_tbl(wl, false, NULL, 0);
+ else if (fp)
+ ret = wl1251_acx_group_address_tbl(wl, fp->enabled,
+ fp->mc_list,
+ fp->mc_list_length);
+ if (ret < 0)
+ goto out;
+
/* send filters to firmware */
wl1251_acx_rx_config(wl, wl->rx_config, wl->rx_filter);
out:
mutex_unlock(&wl->mutex);
+ kfree(fp);
}
/* HW encryption */
mutex_lock(&wl->mutex);
- ret = wl1251_ps_elp_wakeup(wl);
- if (ret < 0)
- goto out_unlock;
-
switch (cmd) {
case SET_KEY:
+ if (wl->monitor_present) {
+ ret = -EOPNOTSUPP;
+ goto out_unlock;
+ }
wl_cmd->key_action = KEY_ADD_OR_REPLACE;
break;
case DISABLE_KEY:
break;
}
+ ret = wl1251_ps_elp_wakeup(wl);
+ if (ret < 0)
+ goto out_unlock;
+
ret = wl1251_set_key_type(wl, wl_cmd, cmd, key, addr);
if (ret < 0) {
wl1251_error("Set KEY type failed");
ret = wl1251_cmd_scan(wl, ssid, ssid_len, req->channels,
req->n_channels, WL1251_SCAN_NUM_PROBES);
if (ret < 0) {
+ wl1251_debug(DEBUG_SCAN, "scan failed %d", ret);
wl->scanning = false;
goto out_idle;
}
{
struct wl1251 *wl = hw->priv;
struct sk_buff *beacon, *skb;
+ bool enable;
int ret;
wl1251_debug(DEBUG_MAC80211, "mac80211 bss info changed");
}
if (changed & BSS_CHANGED_ASSOC) {
+ /* Disable temporary enabled hw connection monitor flag */
+ wl->hw->flags &= ~IEEE80211_HW_CONNECTION_MONITOR;
+
if (bss_conf->assoc) {
wl->beacon_int = bss_conf->beacon_int;
}
}
+ if (changed & BSS_CHANGED_ARP_FILTER) {
+ __be32 addr = bss_conf->arp_addr_list[0];
+ WARN_ON(wl->bss_type != BSS_TYPE_STA_BSS);
+
+ enable = bss_conf->arp_addr_cnt == 1 && bss_conf->assoc;
+ wl1251_acx_arp_ip_filter(wl, enable, addr);
+
+ if (ret < 0)
+ goto out_sleep;
+ }
+
if (changed & BSS_CHANGED_BEACON) {
beacon = ieee80211_beacon_get(hw, vif);
if (!beacon)
.add_interface = wl1251_op_add_interface,
.remove_interface = wl1251_op_remove_interface,
.config = wl1251_op_config,
+ .prepare_multicast = wl1251_op_prepare_multicast,
.configure_filter = wl1251_op_configure_filter,
.tx = wl1251_op_tx,
.set_key = wl1251_op_set_key,
INIT_DELAYED_WORK(&wl->elp_work, wl1251_elp_work);
wl->channel = WL1251_DEFAULT_CHANNEL;
+ wl->monitor_present = false;
+ wl->joined = false;
wl->scanning = false;
+ wl->bss_type = MAX_BSS_TYPE;
wl->default_key = 0;
wl->listen_int = 1;
wl->rx_counter = 0;
wl->elp = false;
wl->station_mode = STATION_ACTIVE_MODE;
wl->psm_requested = false;
+ wl->psm_entry_retry = 0;
wl->tx_queue_stopped = false;
wl->power_level = WL1251_DEFAULT_POWER_LEVEL;
wl->rssi_thold = 0;
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Kalle Valo <kvalo@adurom.com>");
MODULE_FIRMWARE(WL1251_FW_NAME);
+ MODULE_FIRMWARE(WL1251_NVS_NAME);
if (type == -1 || type == NETCONFA_MC_FORWARDING)
size += nla_total_size(4);
#endif
+ if (type == -1 || type == NETCONFA_PROXY_NEIGH)
+ size += nla_total_size(4);
return size;
}
devconf->mc_forwarding) < 0)
goto nla_put_failure;
#endif
+ if ((type == -1 || type == NETCONFA_PROXY_NEIGH) &&
+ nla_put_s32(skb, NETCONFA_PROXY_NEIGH, devconf->proxy_ndp) < 0)
+ goto nla_put_failure;
+
return nlmsg_end(skb, nlh);
nla_put_failure:
static const struct nla_policy devconf_ipv6_policy[NETCONFA_MAX+1] = {
[NETCONFA_IFINDEX] = { .len = sizeof(int) },
[NETCONFA_FORWARDING] = { .len = sizeof(int) },
+ [NETCONFA_PROXY_NEIGH] = { .len = sizeof(int) },
};
static int inet6_netconf_get_devconf(struct sk_buff *in_skb,
goto out;
}
+ neigh_parms_data_state_setall(idev->nd_parms);
+
ifa->addr = *addr;
if (peer_addr)
ifa->peer_addr = *peer_addr;
* --yoshfuji
*/
if ((ifp->flags & IFA_F_PERMANENT) && onlink < 1) {
- struct in6_addr prefix;
struct rt6_info *rt;
- ipv6_addr_prefix(&prefix, &ifp->addr, ifp->prefix_len);
-
- rt = addrconf_get_prefix_route(&prefix,
+ rt = addrconf_get_prefix_route(&ifp->addr,
ifp->prefix_len,
ifp->idev->dev,
0, RTF_GATEWAY | RTF_DEFAULT);
u32 addr_flags;
unsigned long now = jiffies;
- write_lock(&idev->lock);
+ write_lock_bh(&idev->lock);
if (ift) {
spin_lock_bh(&ift->lock);
memcpy(&addr.s6_addr[8], &ift->addr.s6_addr[8], 8);
retry:
in6_dev_hold(idev);
if (idev->cnf.use_tempaddr <= 0) {
- write_unlock(&idev->lock);
+ write_unlock_bh(&idev->lock);
pr_info("%s: use_tempaddr is disabled\n", __func__);
in6_dev_put(idev);
ret = -1;
if (ifp->regen_count++ >= idev->cnf.regen_max_retry) {
idev->cnf.use_tempaddr = -1; /*XXX*/
spin_unlock_bh(&ifp->lock);
- write_unlock(&idev->lock);
+ write_unlock_bh(&idev->lock);
pr_warn("%s: regeneration time exceeded - disabled temporary address support\n",
__func__);
in6_dev_put(idev);
regen_advance = idev->cnf.regen_max_retry *
idev->cnf.dad_transmits *
- idev->nd_parms->retrans_time / HZ;
- write_unlock(&idev->lock);
+ NEIGH_VAR(idev->nd_parms, RETRANS_TIME) / HZ;
+ write_unlock_bh(&idev->lock);
/* A temporary address is created only if this calculated Preferred
* Lifetime is greater than REGEN_ADVANCE time units. In particular,
in6_dev_put(idev);
pr_info("%s: retry temporary address regeneration\n", __func__);
tmpaddr = &addr;
- write_lock(&idev->lock);
+ write_lock_bh(&idev->lock);
goto retry;
}
EXPORT_SYMBOL(ipv6_dev_get_saddr);
int __ipv6_get_lladdr(struct inet6_dev *idev, struct in6_addr *addr,
- unsigned char banned_flags)
+ u32 banned_flags)
{
struct inet6_ifaddr *ifp;
int err = -EADDRNOTAVAIL;
}
int ipv6_get_lladdr(struct net_device *dev, struct in6_addr *addr,
- unsigned char banned_flags)
+ u32 banned_flags)
{
struct inet6_dev *idev;
int err = -EADDRNOTAVAIL;
static void addrconf_join_anycast(struct inet6_ifaddr *ifp)
{
struct in6_addr addr;
- if (ifp->prefix_len == 127) /* RFC 6164 */
+ if (ifp->prefix_len >= 127) /* RFC 6164 */
return;
ipv6_addr_prefix(&addr, &ifp->addr, ifp->prefix_len);
if (ipv6_addr_any(&addr))
static void addrconf_leave_anycast(struct inet6_ifaddr *ifp)
{
struct in6_addr addr;
- if (ifp->prefix_len == 127) /* RFC 6164 */
+ if (ifp->prefix_len >= 127) /* RFC 6164 */
return;
ipv6_addr_prefix(&addr, &ifp->addr, ifp->prefix_len);
if (ipv6_addr_any(&addr))
return addrconf_ifid_sit(eui, dev);
case ARPHRD_IPGRE:
return addrconf_ifid_gre(eui, dev);
+ case ARPHRD_6LOWPAN:
case ARPHRD_IEEE802154:
return addrconf_ifid_eui64(eui, dev);
case ARPHRD_IEEE1394:
expires = jiffies +
idev->cnf.temp_prefered_lft * HZ -
- idev->cnf.regen_max_retry * idev->cnf.dad_transmits * idev->nd_parms->retrans_time -
+ idev->cnf.regen_max_retry * idev->cnf.dad_transmits *
+ NEIGH_VAR(idev->nd_parms, RETRANS_TIME) -
idev->cnf.max_desync_factor * HZ;
if (time_before(expires, jiffies)) {
pr_warn("%s: too short regeneration interval; timer disabled for %s\n",
return idev;
}
+static void manage_tempaddrs(struct inet6_dev *idev,
+ struct inet6_ifaddr *ifp,
+ __u32 valid_lft, __u32 prefered_lft,
+ bool create, unsigned long now)
+{
+ u32 flags;
+ struct inet6_ifaddr *ift;
+
+ read_lock_bh(&idev->lock);
+ /* update all temporary addresses in the list */
+ list_for_each_entry(ift, &idev->tempaddr_list, tmp_list) {
+ int age, max_valid, max_prefered;
+
+ if (ifp != ift->ifpub)
+ continue;
+
+ /* RFC 4941 section 3.3:
+ * If a received option will extend the lifetime of a public
+ * address, the lifetimes of temporary addresses should
+ * be extended, subject to the overall constraint that no
+ * temporary addresses should ever remain "valid" or "preferred"
+ * for a time longer than (TEMP_VALID_LIFETIME) or
+ * (TEMP_PREFERRED_LIFETIME - DESYNC_FACTOR), respectively.
+ */
+ age = (now - ift->cstamp) / HZ;
+ max_valid = idev->cnf.temp_valid_lft - age;
+ if (max_valid < 0)
+ max_valid = 0;
+
+ max_prefered = idev->cnf.temp_prefered_lft -
+ idev->cnf.max_desync_factor - age;
+ if (max_prefered < 0)
+ max_prefered = 0;
+
+ if (valid_lft > max_valid)
+ valid_lft = max_valid;
+
+ if (prefered_lft > max_prefered)
+ prefered_lft = max_prefered;
+
+ spin_lock(&ift->lock);
+ flags = ift->flags;
+ ift->valid_lft = valid_lft;
+ ift->prefered_lft = prefered_lft;
+ ift->tstamp = now;
+ if (prefered_lft > 0)
+ ift->flags &= ~IFA_F_DEPRECATED;
+
+ spin_unlock(&ift->lock);
+ if (!(flags&IFA_F_TENTATIVE))
+ ipv6_ifa_notify(0, ift);
+ }
+
+ if ((create || list_empty(&idev->tempaddr_list)) &&
+ idev->cnf.use_tempaddr > 0) {
+ /* When a new public address is created as described
+ * in [ADDRCONF], also create a new temporary address.
+ * Also create a temporary address if it's enabled but
+ * no temporary address currently exists.
+ */
+ read_unlock_bh(&idev->lock);
+ ipv6_create_tempaddr(ifp, NULL);
+ } else {
+ read_unlock_bh(&idev->lock);
+ }
+}
+
void addrconf_prefix_rcv(struct net_device *dev, u8 *opt, int len, bool sllao)
{
struct prefix_info *pinfo;
return;
}
+ ifp->flags |= IFA_F_MANAGETEMPADDR;
update_lft = 0;
create = 1;
ifp->cstamp = jiffies;
}
if (ifp) {
- int flags;
+ u32 flags;
unsigned long now;
- struct inet6_ifaddr *ift;
u32 stored_lft;
/* update lifetime (RFC2462 5.5.3 e) */
} else
spin_unlock(&ifp->lock);
- read_lock_bh(&in6_dev->lock);
- /* update all temporary addresses in the list */
- list_for_each_entry(ift, &in6_dev->tempaddr_list,
- tmp_list) {
- int age, max_valid, max_prefered;
-
- if (ifp != ift->ifpub)
- continue;
-
- /*
- * RFC 4941 section 3.3:
- * If a received option will extend the lifetime
- * of a public address, the lifetimes of
- * temporary addresses should be extended,
- * subject to the overall constraint that no
- * temporary addresses should ever remain
- * "valid" or "preferred" for a time longer than
- * (TEMP_VALID_LIFETIME) or
- * (TEMP_PREFERRED_LIFETIME - DESYNC_FACTOR),
- * respectively.
- */
- age = (now - ift->cstamp) / HZ;
- max_valid = in6_dev->cnf.temp_valid_lft - age;
- if (max_valid < 0)
- max_valid = 0;
-
- max_prefered = in6_dev->cnf.temp_prefered_lft -
- in6_dev->cnf.max_desync_factor -
- age;
- if (max_prefered < 0)
- max_prefered = 0;
-
- if (valid_lft > max_valid)
- valid_lft = max_valid;
-
- if (prefered_lft > max_prefered)
- prefered_lft = max_prefered;
-
- spin_lock(&ift->lock);
- flags = ift->flags;
- ift->valid_lft = valid_lft;
- ift->prefered_lft = prefered_lft;
- ift->tstamp = now;
- if (prefered_lft > 0)
- ift->flags &= ~IFA_F_DEPRECATED;
-
- spin_unlock(&ift->lock);
- if (!(flags&IFA_F_TENTATIVE))
- ipv6_ifa_notify(0, ift);
- }
-
- if ((create || list_empty(&in6_dev->tempaddr_list)) && in6_dev->cnf.use_tempaddr > 0) {
- /*
- * When a new public address is created as
- * described in [ADDRCONF], also create a new
- * temporary address. Also create a temporary
- * address if it's enabled but no temporary
- * address currently exists.
- */
- read_unlock_bh(&in6_dev->lock);
- ipv6_create_tempaddr(ifp, NULL);
- } else {
- read_unlock_bh(&in6_dev->lock);
- }
+ manage_tempaddrs(in6_dev, ifp, valid_lft, prefered_lft,
+ create, now);
in6_ifa_put(ifp);
addrconf_verify(0);
/*
* Manual configuration of address on an interface
*/
-static int inet6_addr_add(struct net *net, int ifindex, const struct in6_addr *pfx,
+static int inet6_addr_add(struct net *net, int ifindex,
+ const struct in6_addr *pfx,
const struct in6_addr *peer_pfx,
- unsigned int plen, __u8 ifa_flags, __u32 prefered_lft,
- __u32 valid_lft)
+ unsigned int plen, __u32 ifa_flags,
+ __u32 prefered_lft, __u32 valid_lft)
{
struct inet6_ifaddr *ifp;
struct inet6_dev *idev;
if (!valid_lft || prefered_lft > valid_lft)
return -EINVAL;
+ if (ifa_flags & IFA_F_MANAGETEMPADDR && plen != 64)
+ return -EINVAL;
+
dev = __dev_get_by_index(net, ifindex);
if (!dev)
return -ENODEV;
* manually configured addresses
*/
addrconf_dad_start(ifp);
+ if (ifa_flags & IFA_F_MANAGETEMPADDR)
+ manage_tempaddrs(idev, ifp, valid_lft, prefered_lft,
+ true, jiffies);
in6_ifa_put(ifp);
addrconf_verify(0);
return 0;
if (sp_ifa->rt)
continue;
- sp_rt = addrconf_dst_alloc(idev, &sp_ifa->addr, 0);
+ sp_rt = addrconf_dst_alloc(idev, &sp_ifa->addr, false);
/* Failure cases are ignored */
if (!IS_ERR(sp_rt)) {
(dev->type != ARPHRD_INFINIBAND) &&
(dev->type != ARPHRD_IEEE802154) &&
(dev->type != ARPHRD_IEEE1394) &&
- (dev->type != ARPHRD_TUNNEL6)) {
+ (dev->type != ARPHRD_TUNNEL6) &&
+ (dev->type != ARPHRD_6LOWPAN)) {
/* Alas, we support only Ethernet autoconfiguration. */
return;
}
}
ifp->dad_probes--;
- addrconf_mod_dad_timer(ifp, ifp->idev->nd_parms->retrans_time);
+ addrconf_mod_dad_timer(ifp,
+ NEIGH_VAR(ifp->idev->nd_parms, RETRANS_TIME));
spin_unlock(&ifp->lock);
write_unlock(&idev->lock);
ifp->idev->dev->ifindex,
ifp->prefix_len,
ifp->scope,
- ifp->flags,
+ (u8) ifp->flags,
ifp->idev->dev->name);
return 0;
}
&inet6_addr_lst[i], addr_lst) {
unsigned long age;
- if (ifp->flags & IFA_F_PERMANENT)
+ /* When setting preferred_lft to a value not zero or
+ * infinity, while valid_lft is infinity
+ * IFA_F_PERMANENT has a non-infinity life time.
+ */
+ if ((ifp->flags & IFA_F_PERMANENT) &&
+ (ifp->prefered_lft == INFINITY_LIFE_TIME))
continue;
spin_lock(&ifp->lock);
ifp->flags |= IFA_F_DEPRECATED;
}
- if (time_before(ifp->tstamp + ifp->valid_lft * HZ, next))
+ if ((ifp->valid_lft != INFINITY_LIFE_TIME) &&
+ (time_before(ifp->tstamp + ifp->valid_lft * HZ, next)))
next = ifp->tstamp + ifp->valid_lft * HZ;
spin_unlock(&ifp->lock);
!(ifp->flags&IFA_F_TENTATIVE)) {
unsigned long regen_advance = ifp->idev->cnf.regen_max_retry *
ifp->idev->cnf.dad_transmits *
- ifp->idev->nd_parms->retrans_time / HZ;
+ NEIGH_VAR(ifp->idev->nd_parms, RETRANS_TIME) / HZ;
if (age >= ifp->prefered_lft - regen_advance) {
struct inet6_ifaddr *ifpub = ifp->ifpub;
[IFA_ADDRESS] = { .len = sizeof(struct in6_addr) },
[IFA_LOCAL] = { .len = sizeof(struct in6_addr) },
[IFA_CACHEINFO] = { .len = sizeof(struct ifa_cacheinfo) },
+ [IFA_FLAGS] = { .len = sizeof(u32) },
};
static int
return inet6_addr_del(net, ifm->ifa_index, pfx, ifm->ifa_prefixlen);
}
-static int inet6_addr_modify(struct inet6_ifaddr *ifp, u8 ifa_flags,
+static int inet6_addr_modify(struct inet6_ifaddr *ifp, u32 ifa_flags,
u32 prefered_lft, u32 valid_lft)
{
u32 flags;
clock_t expires;
unsigned long timeout;
+ bool was_managetempaddr;
if (!valid_lft || (prefered_lft > valid_lft))
return -EINVAL;
+ if (ifa_flags & IFA_F_MANAGETEMPADDR &&
+ (ifp->flags & IFA_F_TEMPORARY || ifp->prefix_len != 64))
+ return -EINVAL;
+
timeout = addrconf_timeout_fixup(valid_lft, HZ);
if (addrconf_finite_timeout(timeout)) {
expires = jiffies_to_clock_t(timeout * HZ);
}
spin_lock_bh(&ifp->lock);
- ifp->flags = (ifp->flags & ~(IFA_F_DEPRECATED | IFA_F_PERMANENT | IFA_F_NODAD | IFA_F_HOMEADDRESS)) | ifa_flags;
+ was_managetempaddr = ifp->flags & IFA_F_MANAGETEMPADDR;
+ ifp->flags &= ~(IFA_F_DEPRECATED | IFA_F_PERMANENT | IFA_F_NODAD |
+ IFA_F_HOMEADDRESS | IFA_F_MANAGETEMPADDR);
+ ifp->flags |= ifa_flags;
ifp->tstamp = jiffies;
ifp->valid_lft = valid_lft;
ifp->prefered_lft = prefered_lft;
addrconf_prefix_route(&ifp->addr, ifp->prefix_len, ifp->idev->dev,
expires, flags);
+
+ if (was_managetempaddr || ifp->flags & IFA_F_MANAGETEMPADDR) {
+ if (was_managetempaddr && !(ifp->flags & IFA_F_MANAGETEMPADDR))
+ valid_lft = prefered_lft = 0;
+ manage_tempaddrs(ifp->idev, ifp, valid_lft, prefered_lft,
+ !was_managetempaddr, jiffies);
+ }
+
addrconf_verify(0);
return 0;
struct inet6_ifaddr *ifa;
struct net_device *dev;
u32 valid_lft = INFINITY_LIFE_TIME, preferred_lft = INFINITY_LIFE_TIME;
- u8 ifa_flags;
+ u32 ifa_flags;
int err;
err = nlmsg_parse(nlh, sizeof(*ifm), tb, IFA_MAX, ifa_ipv6_policy);
if (dev == NULL)
return -ENODEV;
+ ifa_flags = tb[IFA_FLAGS] ? nla_get_u32(tb[IFA_FLAGS]) : ifm->ifa_flags;
+
/* We ignore other flags so far. */
- ifa_flags = ifm->ifa_flags & (IFA_F_NODAD | IFA_F_HOMEADDRESS);
+ ifa_flags &= IFA_F_NODAD | IFA_F_HOMEADDRESS | IFA_F_MANAGETEMPADDR;
ifa = ipv6_get_ifaddr(net, pfx, dev, 1);
if (ifa == NULL) {
return err;
}
-static void put_ifaddrmsg(struct nlmsghdr *nlh, u8 prefixlen, u8 flags,
+static void put_ifaddrmsg(struct nlmsghdr *nlh, u8 prefixlen, u32 flags,
u8 scope, int ifindex)
{
struct ifaddrmsg *ifm;
return NLMSG_ALIGN(sizeof(struct ifaddrmsg))
+ nla_total_size(16) /* IFA_LOCAL */
+ nla_total_size(16) /* IFA_ADDRESS */
- + nla_total_size(sizeof(struct ifa_cacheinfo));
+ + nla_total_size(sizeof(struct ifa_cacheinfo))
+ + nla_total_size(4) /* IFA_FLAGS */;
}
static int inet6_fill_ifaddr(struct sk_buff *skb, struct inet6_ifaddr *ifa,
put_ifaddrmsg(nlh, ifa->prefix_len, ifa->flags, rt_scope(ifa->scope),
ifa->idev->dev->ifindex);
- if (!(ifa->flags&IFA_F_PERMANENT)) {
+ if (!((ifa->flags&IFA_F_PERMANENT) &&
+ (ifa->prefered_lft == INFINITY_LIFE_TIME))) {
preferred = ifa->prefered_lft;
valid = ifa->valid_lft;
if (preferred != INFINITY_LIFE_TIME) {
if (put_cacheinfo(skb, ifa->cstamp, ifa->tstamp, preferred, valid) < 0)
goto error;
+ if (nla_put_u32(skb, IFA_FLAGS, ifa->flags) < 0)
+ goto error;
+
return nlmsg_end(skb, nlh);
error:
ci.max_reasm_len = IPV6_MAXPLEN;
ci.tstamp = cstamp_delta(idev->tstamp);
ci.reachable_time = jiffies_to_msecs(idev->nd_parms->reachable_time);
- ci.retrans_time = jiffies_to_msecs(idev->nd_parms->retrans_time);
+ ci.retrans_time = jiffies_to_msecs(NEIGH_VAR(idev->nd_parms, RETRANS_TIME));
if (nla_put(skb, IFLA_INET6_CACHEINFO, sizeof(ci), &ci))
goto nla_put_failure;
nla = nla_reserve(skb, IFLA_INET6_CONF, DEVCONF_MAX * sizeof(s32));
return ret;
}
+static
+int addrconf_sysctl_proxy_ndp(struct ctl_table *ctl, int write,
+ void __user *buffer, size_t *lenp, loff_t *ppos)
+{
+ int *valp = ctl->data;
+ int ret;
+ int old, new;
+
+ old = *valp;
+ ret = proc_dointvec(ctl, write, buffer, lenp, ppos);
+ new = *valp;
+
+ if (write && old != new) {
+ struct net *net = ctl->extra2;
+
+ if (!rtnl_trylock())
+ return restart_syscall();
+
+ if (valp == &net->ipv6.devconf_dflt->proxy_ndp)
+ inet6_netconf_notify_devconf(net, NETCONFA_PROXY_NEIGH,
+ NETCONFA_IFINDEX_DEFAULT,
+ net->ipv6.devconf_dflt);
+ else if (valp == &net->ipv6.devconf_all->proxy_ndp)
+ inet6_netconf_notify_devconf(net, NETCONFA_PROXY_NEIGH,
+ NETCONFA_IFINDEX_ALL,
+ net->ipv6.devconf_all);
+ else {
+ struct inet6_dev *idev = ctl->extra1;
+
+ inet6_netconf_notify_devconf(net, NETCONFA_PROXY_NEIGH,
+ idev->dev->ifindex,
+ &idev->cnf);
+ }
+ rtnl_unlock();
+ }
+
+ return ret;
+}
+
+
static struct addrconf_sysctl_table
{
struct ctl_table_header *sysctl_header;
.data = &ipv6_devconf.proxy_ndp,
.maxlen = sizeof(int),
.mode = 0644,
- .proc_handler = proc_dointvec,
+ .proc_handler = addrconf_sysctl_proxy_ndp,
},
{
.procname = "accept_source_route",
static void addrconf_sysctl_register(struct inet6_dev *idev)
{
- neigh_sysctl_register(idev->dev, idev->nd_parms, "ipv6",
+ neigh_sysctl_register(idev->dev, idev->nd_parms,
&ndisc_ifinfo_sysctl_change);
__addrconf_sysctl_register(dev_net(idev->dev), idev->dev->name,
idev, &idev->cnf);
addrconf_verify(0);
- err = rtnl_af_register(&inet6_ops);
- if (err < 0)
- goto errout_af;
+ rtnl_af_register(&inet6_ops);
err = __rtnl_register(PF_INET6, RTM_GETLINK, NULL, inet6_dump_ifinfo,
NULL);
return 0;
errout:
rtnl_af_unregister(&inet6_ops);
-errout_af:
unregister_netdevice_notifier(&ipv6_dev_notf);
errlo:
unregister_pernet_subsys(&addrconf_ops);
projects / platform / adaptation / renesas_rcar / renesas_kernel.git / commitdiff