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mac80211_hwsim: shuffle code to prepare for dynamic radios
This will make the next patch, adding support for netlink, smaller and more readable. The code is not modified here. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg
parent
9ddd12af10
commit
de0421d53b
@ -215,10 +215,53 @@ static const struct ieee80211_rate hwsim_rates[] = {
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{ .bitrate = 540 }
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};
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static const struct ieee80211_iface_limit hwsim_if_limits[] = {
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{ .max = 1, .types = BIT(NL80211_IFTYPE_ADHOC) },
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{ .max = 2048, .types = BIT(NL80211_IFTYPE_STATION) |
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BIT(NL80211_IFTYPE_P2P_CLIENT) |
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#ifdef CONFIG_MAC80211_MESH
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BIT(NL80211_IFTYPE_MESH_POINT) |
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#endif
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BIT(NL80211_IFTYPE_AP) |
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BIT(NL80211_IFTYPE_P2P_GO) },
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{ .max = 1, .types = BIT(NL80211_IFTYPE_P2P_DEVICE) },
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};
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static const struct ieee80211_iface_limit hwsim_if_dfs_limits[] = {
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{ .max = 8, .types = BIT(NL80211_IFTYPE_AP) },
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};
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static const struct ieee80211_iface_combination hwsim_if_comb[] = {
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{
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.limits = hwsim_if_limits,
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.n_limits = ARRAY_SIZE(hwsim_if_limits),
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.max_interfaces = 2048,
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.num_different_channels = 1,
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},
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{
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.limits = hwsim_if_dfs_limits,
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.n_limits = ARRAY_SIZE(hwsim_if_dfs_limits),
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.max_interfaces = 8,
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.num_different_channels = 1,
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.radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) |
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BIT(NL80211_CHAN_WIDTH_20) |
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BIT(NL80211_CHAN_WIDTH_40) |
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BIT(NL80211_CHAN_WIDTH_80) |
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BIT(NL80211_CHAN_WIDTH_160),
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}
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};
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static spinlock_t hwsim_radio_lock;
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static struct list_head hwsim_radios;
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static int hwsim_radio_idx;
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static struct platform_driver mac80211_hwsim_driver = {
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.driver = {
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.name = "mac80211_hwsim",
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.owner = THIS_MODULE,
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},
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};
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struct mac80211_hwsim_data {
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struct list_head list;
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struct ieee80211_hw *hw;
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@ -311,6 +354,161 @@ static struct nla_policy hwsim_genl_policy[HWSIM_ATTR_MAX + 1] = {
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[HWSIM_ATTR_COOKIE] = { .type = NLA_U64 },
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};
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static void mac80211_hwsim_tx_frame(struct ieee80211_hw *hw,
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struct sk_buff *skb,
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struct ieee80211_channel *chan);
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/* sysfs attributes */
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static void hwsim_send_ps_poll(void *dat, u8 *mac, struct ieee80211_vif *vif)
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{
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struct mac80211_hwsim_data *data = dat;
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struct hwsim_vif_priv *vp = (void *)vif->drv_priv;
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struct sk_buff *skb;
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struct ieee80211_pspoll *pspoll;
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if (!vp->assoc)
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return;
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wiphy_debug(data->hw->wiphy,
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"%s: send PS-Poll to %pM for aid %d\n",
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__func__, vp->bssid, vp->aid);
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skb = dev_alloc_skb(sizeof(*pspoll));
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if (!skb)
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return;
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pspoll = (void *) skb_put(skb, sizeof(*pspoll));
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pspoll->frame_control = cpu_to_le16(IEEE80211_FTYPE_CTL |
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IEEE80211_STYPE_PSPOLL |
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IEEE80211_FCTL_PM);
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pspoll->aid = cpu_to_le16(0xc000 | vp->aid);
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memcpy(pspoll->bssid, vp->bssid, ETH_ALEN);
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memcpy(pspoll->ta, mac, ETH_ALEN);
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rcu_read_lock();
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mac80211_hwsim_tx_frame(data->hw, skb,
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rcu_dereference(vif->chanctx_conf)->def.chan);
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rcu_read_unlock();
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}
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static void hwsim_send_nullfunc(struct mac80211_hwsim_data *data, u8 *mac,
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struct ieee80211_vif *vif, int ps)
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{
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struct hwsim_vif_priv *vp = (void *)vif->drv_priv;
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struct sk_buff *skb;
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struct ieee80211_hdr *hdr;
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if (!vp->assoc)
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return;
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wiphy_debug(data->hw->wiphy,
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"%s: send data::nullfunc to %pM ps=%d\n",
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__func__, vp->bssid, ps);
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skb = dev_alloc_skb(sizeof(*hdr));
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if (!skb)
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return;
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hdr = (void *) skb_put(skb, sizeof(*hdr) - ETH_ALEN);
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hdr->frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA |
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IEEE80211_STYPE_NULLFUNC |
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(ps ? IEEE80211_FCTL_PM : 0));
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hdr->duration_id = cpu_to_le16(0);
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memcpy(hdr->addr1, vp->bssid, ETH_ALEN);
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memcpy(hdr->addr2, mac, ETH_ALEN);
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memcpy(hdr->addr3, vp->bssid, ETH_ALEN);
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rcu_read_lock();
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mac80211_hwsim_tx_frame(data->hw, skb,
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rcu_dereference(vif->chanctx_conf)->def.chan);
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rcu_read_unlock();
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}
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static void hwsim_send_nullfunc_ps(void *dat, u8 *mac,
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struct ieee80211_vif *vif)
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{
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struct mac80211_hwsim_data *data = dat;
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hwsim_send_nullfunc(data, mac, vif, 1);
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}
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static void hwsim_send_nullfunc_no_ps(void *dat, u8 *mac,
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struct ieee80211_vif *vif)
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{
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struct mac80211_hwsim_data *data = dat;
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hwsim_send_nullfunc(data, mac, vif, 0);
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}
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static int hwsim_fops_ps_read(void *dat, u64 *val)
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{
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struct mac80211_hwsim_data *data = dat;
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*val = data->ps;
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return 0;
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}
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static int hwsim_fops_ps_write(void *dat, u64 val)
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{
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struct mac80211_hwsim_data *data = dat;
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enum ps_mode old_ps;
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if (val != PS_DISABLED && val != PS_ENABLED && val != PS_AUTO_POLL &&
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val != PS_MANUAL_POLL)
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return -EINVAL;
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old_ps = data->ps;
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data->ps = val;
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if (val == PS_MANUAL_POLL) {
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ieee80211_iterate_active_interfaces(data->hw,
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IEEE80211_IFACE_ITER_NORMAL,
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hwsim_send_ps_poll, data);
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data->ps_poll_pending = true;
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} else if (old_ps == PS_DISABLED && val != PS_DISABLED) {
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ieee80211_iterate_active_interfaces(data->hw,
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IEEE80211_IFACE_ITER_NORMAL,
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hwsim_send_nullfunc_ps,
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data);
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} else if (old_ps != PS_DISABLED && val == PS_DISABLED) {
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ieee80211_iterate_active_interfaces(data->hw,
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IEEE80211_IFACE_ITER_NORMAL,
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hwsim_send_nullfunc_no_ps,
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data);
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}
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return 0;
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}
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DEFINE_SIMPLE_ATTRIBUTE(hwsim_fops_ps, hwsim_fops_ps_read, hwsim_fops_ps_write,
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"%llu\n");
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static int hwsim_write_simulate_radar(void *dat, u64 val)
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{
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struct mac80211_hwsim_data *data = dat;
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ieee80211_radar_detected(data->hw);
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return 0;
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}
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DEFINE_SIMPLE_ATTRIBUTE(hwsim_simulate_radar, NULL,
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hwsim_write_simulate_radar, "%llu\n");
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static int hwsim_fops_group_read(void *dat, u64 *val)
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{
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struct mac80211_hwsim_data *data = dat;
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*val = data->group;
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return 0;
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}
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static int hwsim_fops_group_write(void *dat, u64 val)
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{
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struct mac80211_hwsim_data *data = dat;
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data->group = val;
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return 0;
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}
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DEFINE_SIMPLE_ATTRIBUTE(hwsim_fops_group,
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hwsim_fops_group_read, hwsim_fops_group_write,
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"%llx\n");
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static netdev_tx_t hwsim_mon_xmit(struct sk_buff *skb,
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struct net_device *dev)
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{
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@ -1283,8 +1481,6 @@ static const struct nla_policy hwsim_testmode_policy[HWSIM_TM_ATTR_MAX + 1] = {
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[HWSIM_TM_ATTR_PS] = { .type = NLA_U32 },
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};
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static int hwsim_fops_ps_write(void *dat, u64 val);
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static int mac80211_hwsim_testmode_cmd(struct ieee80211_hw *hw,
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struct ieee80211_vif *vif,
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void *data, int len)
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@ -1622,6 +1818,221 @@ static const struct ieee80211_ops mac80211_hwsim_ops = {
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static struct ieee80211_ops mac80211_hwsim_mchan_ops;
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static int __init mac80211_hwsim_create_radio(void)
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{
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int err;
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u8 addr[ETH_ALEN];
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struct mac80211_hwsim_data *data;
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struct ieee80211_hw *hw;
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enum ieee80211_band band;
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const struct ieee80211_ops *ops = &mac80211_hwsim_ops;
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int idx;
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spin_lock_bh(&hwsim_radio_lock);
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idx = hwsim_radio_idx++;
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spin_unlock_bh(&hwsim_radio_lock);
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if (channels > 1)
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ops = &mac80211_hwsim_mchan_ops;
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hw = ieee80211_alloc_hw(sizeof(*data), ops);
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if (!hw) {
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printk(KERN_DEBUG "mac80211_hwsim: ieee80211_alloc_hw failed\n");
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err = -ENOMEM;
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goto failed;
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}
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data = hw->priv;
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data->hw = hw;
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data->dev = device_create(hwsim_class, NULL, 0, hw, "hwsim%d", idx);
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if (IS_ERR(data->dev)) {
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printk(KERN_DEBUG
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"mac80211_hwsim: device_create failed (%ld)\n",
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PTR_ERR(data->dev));
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err = -ENOMEM;
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goto failed_drvdata;
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}
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data->dev->driver = &mac80211_hwsim_driver.driver;
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err = device_bind_driver(data->dev);
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if (err != 0) {
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printk(KERN_DEBUG "mac80211_hwsim: device_bind_driver failed (%d)\n",
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err);
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goto failed_hw;
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}
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skb_queue_head_init(&data->pending);
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SET_IEEE80211_DEV(hw, data->dev);
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memset(addr, 0, ETH_ALEN);
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addr[0] = 0x02;
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addr[3] = idx >> 8;
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addr[4] = idx;
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memcpy(data->addresses[0].addr, addr, ETH_ALEN);
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memcpy(data->addresses[1].addr, addr, ETH_ALEN);
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data->addresses[1].addr[0] |= 0x40;
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hw->wiphy->n_addresses = 2;
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hw->wiphy->addresses = data->addresses;
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data->channels = channels;
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if (data->channels > 1) {
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hw->wiphy->max_scan_ssids = 255;
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hw->wiphy->max_scan_ie_len = IEEE80211_MAX_DATA_LEN;
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hw->wiphy->max_remain_on_channel_duration = 1000;
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/* For channels > 1 DFS is not allowed */
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hw->wiphy->n_iface_combinations = 1;
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hw->wiphy->iface_combinations = &data->if_combination;
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data->if_combination = hwsim_if_comb[0];
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data->if_combination.num_different_channels = data->channels;
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} else {
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hw->wiphy->iface_combinations = hwsim_if_comb;
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hw->wiphy->n_iface_combinations = ARRAY_SIZE(hwsim_if_comb);
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}
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INIT_DELAYED_WORK(&data->roc_done, hw_roc_done);
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INIT_DELAYED_WORK(&data->hw_scan, hw_scan_work);
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hw->queues = 5;
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hw->offchannel_tx_hw_queue = 4;
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hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
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BIT(NL80211_IFTYPE_AP) |
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BIT(NL80211_IFTYPE_P2P_CLIENT) |
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BIT(NL80211_IFTYPE_P2P_GO) |
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BIT(NL80211_IFTYPE_ADHOC) |
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BIT(NL80211_IFTYPE_MESH_POINT) |
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BIT(NL80211_IFTYPE_P2P_DEVICE);
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hw->flags = IEEE80211_HW_MFP_CAPABLE |
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IEEE80211_HW_SIGNAL_DBM |
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IEEE80211_HW_SUPPORTS_STATIC_SMPS |
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IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS |
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IEEE80211_HW_AMPDU_AGGREGATION |
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IEEE80211_HW_WANT_MONITOR_VIF |
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IEEE80211_HW_QUEUE_CONTROL |
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IEEE80211_HW_SUPPORTS_HT_CCK_RATES;
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if (rctbl)
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hw->flags |= IEEE80211_HW_SUPPORTS_RC_TABLE;
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hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS |
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WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL |
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WIPHY_FLAG_AP_UAPSD;
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hw->wiphy->features |= NL80211_FEATURE_ACTIVE_MONITOR;
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/* ask mac80211 to reserve space for magic */
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hw->vif_data_size = sizeof(struct hwsim_vif_priv);
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hw->sta_data_size = sizeof(struct hwsim_sta_priv);
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hw->chanctx_data_size = sizeof(struct hwsim_chanctx_priv);
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memcpy(data->channels_2ghz, hwsim_channels_2ghz,
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sizeof(hwsim_channels_2ghz));
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memcpy(data->channels_5ghz, hwsim_channels_5ghz,
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sizeof(hwsim_channels_5ghz));
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memcpy(data->rates, hwsim_rates, sizeof(hwsim_rates));
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for (band = IEEE80211_BAND_2GHZ; band < IEEE80211_NUM_BANDS; band++) {
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struct ieee80211_supported_band *sband = &data->bands[band];
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switch (band) {
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case IEEE80211_BAND_2GHZ:
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sband->channels = data->channels_2ghz;
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sband->n_channels = ARRAY_SIZE(hwsim_channels_2ghz);
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sband->bitrates = data->rates;
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sband->n_bitrates = ARRAY_SIZE(hwsim_rates);
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break;
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case IEEE80211_BAND_5GHZ:
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sband->channels = data->channels_5ghz;
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sband->n_channels = ARRAY_SIZE(hwsim_channels_5ghz);
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sband->bitrates = data->rates + 4;
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sband->n_bitrates = ARRAY_SIZE(hwsim_rates) - 4;
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break;
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default:
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continue;
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}
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sband->ht_cap.ht_supported = true;
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sband->ht_cap.cap = IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
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IEEE80211_HT_CAP_GRN_FLD |
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IEEE80211_HT_CAP_SGI_40 |
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IEEE80211_HT_CAP_DSSSCCK40;
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sband->ht_cap.ampdu_factor = 0x3;
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sband->ht_cap.ampdu_density = 0x6;
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memset(&sband->ht_cap.mcs, 0,
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sizeof(sband->ht_cap.mcs));
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sband->ht_cap.mcs.rx_mask[0] = 0xff;
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sband->ht_cap.mcs.rx_mask[1] = 0xff;
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sband->ht_cap.mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
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hw->wiphy->bands[band] = sband;
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sband->vht_cap.vht_supported = true;
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sband->vht_cap.cap =
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IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 |
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IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ |
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IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ |
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IEEE80211_VHT_CAP_RXLDPC |
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IEEE80211_VHT_CAP_SHORT_GI_80 |
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IEEE80211_VHT_CAP_SHORT_GI_160 |
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IEEE80211_VHT_CAP_TXSTBC |
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IEEE80211_VHT_CAP_RXSTBC_1 |
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IEEE80211_VHT_CAP_RXSTBC_2 |
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IEEE80211_VHT_CAP_RXSTBC_3 |
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IEEE80211_VHT_CAP_RXSTBC_4 |
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IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK;
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sband->vht_cap.vht_mcs.rx_mcs_map =
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cpu_to_le16(IEEE80211_VHT_MCS_SUPPORT_0_8 << 0 |
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IEEE80211_VHT_MCS_SUPPORT_0_8 << 2 |
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IEEE80211_VHT_MCS_SUPPORT_0_9 << 4 |
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IEEE80211_VHT_MCS_SUPPORT_0_8 << 6 |
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IEEE80211_VHT_MCS_SUPPORT_0_8 << 8 |
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IEEE80211_VHT_MCS_SUPPORT_0_9 << 10 |
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IEEE80211_VHT_MCS_SUPPORT_0_9 << 12 |
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IEEE80211_VHT_MCS_SUPPORT_0_8 << 14);
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sband->vht_cap.vht_mcs.tx_mcs_map =
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sband->vht_cap.vht_mcs.rx_mcs_map;
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}
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/* By default all radios belong to the first group */
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data->group = 1;
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mutex_init(&data->mutex);
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/* Enable frame retransmissions for lossy channels */
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hw->max_rates = 4;
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hw->max_rate_tries = 11;
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err = ieee80211_register_hw(hw);
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if (err < 0) {
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printk(KERN_DEBUG "mac80211_hwsim: ieee80211_register_hw failed (%d)\n",
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err);
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goto failed_hw;
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}
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wiphy_debug(hw->wiphy, "hwaddr %pM registered\n", hw->wiphy->perm_addr);
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|
||||
data->debugfs = debugfs_create_dir("hwsim", hw->wiphy->debugfsdir);
|
||||
debugfs_create_file("ps", 0666, data->debugfs, data, &hwsim_fops_ps);
|
||||
debugfs_create_file("group", 0666, data->debugfs, data,
|
||||
&hwsim_fops_group);
|
||||
if (data->channels == 1)
|
||||
debugfs_create_file("dfs_simulate_radar", 0222,
|
||||
data->debugfs,
|
||||
data, &hwsim_simulate_radar);
|
||||
|
||||
tasklet_hrtimer_init(&data->beacon_timer,
|
||||
mac80211_hwsim_beacon,
|
||||
CLOCK_MONOTONIC_RAW, HRTIMER_MODE_ABS);
|
||||
|
||||
spin_lock_bh(&hwsim_radio_lock);
|
||||
list_add_tail(&data->list, &hwsim_radios);
|
||||
spin_unlock_bh(&hwsim_radio_lock);
|
||||
|
||||
return 0;
|
||||
|
||||
failed_hw:
|
||||
device_unregister(data->dev);
|
||||
failed_drvdata:
|
||||
ieee80211_free_hw(hw);
|
||||
failed:
|
||||
return err;
|
||||
}
|
||||
|
||||
static void mac80211_hwsim_destroy_radio(struct mac80211_hwsim_data *data)
|
||||
{
|
||||
debugfs_remove_recursive(data->debugfs);
|
||||
@ -1648,13 +2059,6 @@ static void mac80211_hwsim_free(void)
|
||||
class_destroy(hwsim_class);
|
||||
}
|
||||
|
||||
static struct platform_driver mac80211_hwsim_driver = {
|
||||
.driver = {
|
||||
.name = "mac80211_hwsim",
|
||||
.owner = THIS_MODULE,
|
||||
},
|
||||
};
|
||||
|
||||
static const struct net_device_ops hwsim_netdev_ops = {
|
||||
.ndo_start_xmit = hwsim_mon_xmit,
|
||||
.ndo_change_mtu = eth_change_mtu,
|
||||
@ -1673,159 +2077,6 @@ static void hwsim_mon_setup(struct net_device *dev)
|
||||
dev->dev_addr[0] = 0x12;
|
||||
}
|
||||
|
||||
|
||||
static void hwsim_send_ps_poll(void *dat, u8 *mac, struct ieee80211_vif *vif)
|
||||
{
|
||||
struct mac80211_hwsim_data *data = dat;
|
||||
struct hwsim_vif_priv *vp = (void *)vif->drv_priv;
|
||||
struct sk_buff *skb;
|
||||
struct ieee80211_pspoll *pspoll;
|
||||
|
||||
if (!vp->assoc)
|
||||
return;
|
||||
|
||||
wiphy_debug(data->hw->wiphy,
|
||||
"%s: send PS-Poll to %pM for aid %d\n",
|
||||
__func__, vp->bssid, vp->aid);
|
||||
|
||||
skb = dev_alloc_skb(sizeof(*pspoll));
|
||||
if (!skb)
|
||||
return;
|
||||
pspoll = (void *) skb_put(skb, sizeof(*pspoll));
|
||||
pspoll->frame_control = cpu_to_le16(IEEE80211_FTYPE_CTL |
|
||||
IEEE80211_STYPE_PSPOLL |
|
||||
IEEE80211_FCTL_PM);
|
||||
pspoll->aid = cpu_to_le16(0xc000 | vp->aid);
|
||||
memcpy(pspoll->bssid, vp->bssid, ETH_ALEN);
|
||||
memcpy(pspoll->ta, mac, ETH_ALEN);
|
||||
|
||||
rcu_read_lock();
|
||||
mac80211_hwsim_tx_frame(data->hw, skb,
|
||||
rcu_dereference(vif->chanctx_conf)->def.chan);
|
||||
rcu_read_unlock();
|
||||
}
|
||||
|
||||
static void hwsim_send_nullfunc(struct mac80211_hwsim_data *data, u8 *mac,
|
||||
struct ieee80211_vif *vif, int ps)
|
||||
{
|
||||
struct hwsim_vif_priv *vp = (void *)vif->drv_priv;
|
||||
struct sk_buff *skb;
|
||||
struct ieee80211_hdr *hdr;
|
||||
|
||||
if (!vp->assoc)
|
||||
return;
|
||||
|
||||
wiphy_debug(data->hw->wiphy,
|
||||
"%s: send data::nullfunc to %pM ps=%d\n",
|
||||
__func__, vp->bssid, ps);
|
||||
|
||||
skb = dev_alloc_skb(sizeof(*hdr));
|
||||
if (!skb)
|
||||
return;
|
||||
hdr = (void *) skb_put(skb, sizeof(*hdr) - ETH_ALEN);
|
||||
hdr->frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA |
|
||||
IEEE80211_STYPE_NULLFUNC |
|
||||
(ps ? IEEE80211_FCTL_PM : 0));
|
||||
hdr->duration_id = cpu_to_le16(0);
|
||||
memcpy(hdr->addr1, vp->bssid, ETH_ALEN);
|
||||
memcpy(hdr->addr2, mac, ETH_ALEN);
|
||||
memcpy(hdr->addr3, vp->bssid, ETH_ALEN);
|
||||
|
||||
rcu_read_lock();
|
||||
mac80211_hwsim_tx_frame(data->hw, skb,
|
||||
rcu_dereference(vif->chanctx_conf)->def.chan);
|
||||
rcu_read_unlock();
|
||||
}
|
||||
|
||||
|
||||
static void hwsim_send_nullfunc_ps(void *dat, u8 *mac,
|
||||
struct ieee80211_vif *vif)
|
||||
{
|
||||
struct mac80211_hwsim_data *data = dat;
|
||||
hwsim_send_nullfunc(data, mac, vif, 1);
|
||||
}
|
||||
|
||||
|
||||
static void hwsim_send_nullfunc_no_ps(void *dat, u8 *mac,
|
||||
struct ieee80211_vif *vif)
|
||||
{
|
||||
struct mac80211_hwsim_data *data = dat;
|
||||
hwsim_send_nullfunc(data, mac, vif, 0);
|
||||
}
|
||||
|
||||
|
||||
static int hwsim_fops_ps_read(void *dat, u64 *val)
|
||||
{
|
||||
struct mac80211_hwsim_data *data = dat;
|
||||
*val = data->ps;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int hwsim_fops_ps_write(void *dat, u64 val)
|
||||
{
|
||||
struct mac80211_hwsim_data *data = dat;
|
||||
enum ps_mode old_ps;
|
||||
|
||||
if (val != PS_DISABLED && val != PS_ENABLED && val != PS_AUTO_POLL &&
|
||||
val != PS_MANUAL_POLL)
|
||||
return -EINVAL;
|
||||
|
||||
old_ps = data->ps;
|
||||
data->ps = val;
|
||||
|
||||
if (val == PS_MANUAL_POLL) {
|
||||
ieee80211_iterate_active_interfaces(data->hw,
|
||||
IEEE80211_IFACE_ITER_NORMAL,
|
||||
hwsim_send_ps_poll, data);
|
||||
data->ps_poll_pending = true;
|
||||
} else if (old_ps == PS_DISABLED && val != PS_DISABLED) {
|
||||
ieee80211_iterate_active_interfaces(data->hw,
|
||||
IEEE80211_IFACE_ITER_NORMAL,
|
||||
hwsim_send_nullfunc_ps,
|
||||
data);
|
||||
} else if (old_ps != PS_DISABLED && val == PS_DISABLED) {
|
||||
ieee80211_iterate_active_interfaces(data->hw,
|
||||
IEEE80211_IFACE_ITER_NORMAL,
|
||||
hwsim_send_nullfunc_no_ps,
|
||||
data);
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
DEFINE_SIMPLE_ATTRIBUTE(hwsim_fops_ps, hwsim_fops_ps_read, hwsim_fops_ps_write,
|
||||
"%llu\n");
|
||||
|
||||
static int hwsim_write_simulate_radar(void *dat, u64 val)
|
||||
{
|
||||
struct mac80211_hwsim_data *data = dat;
|
||||
|
||||
ieee80211_radar_detected(data->hw);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
DEFINE_SIMPLE_ATTRIBUTE(hwsim_simulate_radar, NULL,
|
||||
hwsim_write_simulate_radar, "%llu\n");
|
||||
|
||||
static int hwsim_fops_group_read(void *dat, u64 *val)
|
||||
{
|
||||
struct mac80211_hwsim_data *data = dat;
|
||||
*val = data->group;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int hwsim_fops_group_write(void *dat, u64 val)
|
||||
{
|
||||
struct mac80211_hwsim_data *data = dat;
|
||||
data->group = val;
|
||||
return 0;
|
||||
}
|
||||
|
||||
DEFINE_SIMPLE_ATTRIBUTE(hwsim_fops_group,
|
||||
hwsim_fops_group_read, hwsim_fops_group_write,
|
||||
"%llx\n");
|
||||
|
||||
static struct mac80211_hwsim_data *get_hwsim_data_ref_from_addr(const u8 *addr)
|
||||
{
|
||||
struct mac80211_hwsim_data *data;
|
||||
@ -2073,257 +2324,6 @@ static void hwsim_exit_netlink(void)
|
||||
genl_unregister_family(&hwsim_genl_family);
|
||||
}
|
||||
|
||||
static const struct ieee80211_iface_limit hwsim_if_limits[] = {
|
||||
{ .max = 1, .types = BIT(NL80211_IFTYPE_ADHOC) },
|
||||
{ .max = 2048, .types = BIT(NL80211_IFTYPE_STATION) |
|
||||
BIT(NL80211_IFTYPE_P2P_CLIENT) |
|
||||
#ifdef CONFIG_MAC80211_MESH
|
||||
BIT(NL80211_IFTYPE_MESH_POINT) |
|
||||
#endif
|
||||
BIT(NL80211_IFTYPE_AP) |
|
||||
BIT(NL80211_IFTYPE_P2P_GO) },
|
||||
{ .max = 1, .types = BIT(NL80211_IFTYPE_P2P_DEVICE) },
|
||||
};
|
||||
|
||||
static const struct ieee80211_iface_limit hwsim_if_dfs_limits[] = {
|
||||
{ .max = 8, .types = BIT(NL80211_IFTYPE_AP) },
|
||||
};
|
||||
|
||||
static const struct ieee80211_iface_combination hwsim_if_comb[] = {
|
||||
{
|
||||
.limits = hwsim_if_limits,
|
||||
.n_limits = ARRAY_SIZE(hwsim_if_limits),
|
||||
.max_interfaces = 2048,
|
||||
.num_different_channels = 1,
|
||||
},
|
||||
{
|
||||
.limits = hwsim_if_dfs_limits,
|
||||
.n_limits = ARRAY_SIZE(hwsim_if_dfs_limits),
|
||||
.max_interfaces = 8,
|
||||
.num_different_channels = 1,
|
||||
.radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) |
|
||||
BIT(NL80211_CHAN_WIDTH_20) |
|
||||
BIT(NL80211_CHAN_WIDTH_40) |
|
||||
BIT(NL80211_CHAN_WIDTH_80) |
|
||||
BIT(NL80211_CHAN_WIDTH_160),
|
||||
}
|
||||
};
|
||||
|
||||
static int __init mac80211_hwsim_create_radio(void)
|
||||
{
|
||||
int err;
|
||||
u8 addr[ETH_ALEN];
|
||||
struct mac80211_hwsim_data *data;
|
||||
struct ieee80211_hw *hw;
|
||||
enum ieee80211_band band;
|
||||
const struct ieee80211_ops *ops = &mac80211_hwsim_ops;
|
||||
int idx;
|
||||
|
||||
spin_lock_bh(&hwsim_radio_lock);
|
||||
idx = hwsim_radio_idx++;
|
||||
spin_unlock_bh(&hwsim_radio_lock);
|
||||
|
||||
if (channels > 1)
|
||||
ops = &mac80211_hwsim_mchan_ops;
|
||||
hw = ieee80211_alloc_hw(sizeof(*data), ops);
|
||||
if (!hw) {
|
||||
printk(KERN_DEBUG "mac80211_hwsim: ieee80211_alloc_hw failed\n");
|
||||
err = -ENOMEM;
|
||||
goto failed;
|
||||
}
|
||||
data = hw->priv;
|
||||
data->hw = hw;
|
||||
|
||||
data->dev = device_create(hwsim_class, NULL, 0, hw, "hwsim%d", idx);
|
||||
if (IS_ERR(data->dev)) {
|
||||
printk(KERN_DEBUG
|
||||
"mac80211_hwsim: device_create failed (%ld)\n",
|
||||
PTR_ERR(data->dev));
|
||||
err = -ENOMEM;
|
||||
goto failed_drvdata;
|
||||
}
|
||||
data->dev->driver = &mac80211_hwsim_driver.driver;
|
||||
err = device_bind_driver(data->dev);
|
||||
if (err != 0) {
|
||||
printk(KERN_DEBUG "mac80211_hwsim: device_bind_driver failed (%d)\n",
|
||||
err);
|
||||
goto failed_hw;
|
||||
}
|
||||
|
||||
skb_queue_head_init(&data->pending);
|
||||
|
||||
SET_IEEE80211_DEV(hw, data->dev);
|
||||
memset(addr, 0, ETH_ALEN);
|
||||
addr[0] = 0x02;
|
||||
addr[3] = idx >> 8;
|
||||
addr[4] = idx;
|
||||
memcpy(data->addresses[0].addr, addr, ETH_ALEN);
|
||||
memcpy(data->addresses[1].addr, addr, ETH_ALEN);
|
||||
data->addresses[1].addr[0] |= 0x40;
|
||||
hw->wiphy->n_addresses = 2;
|
||||
hw->wiphy->addresses = data->addresses;
|
||||
|
||||
data->channels = channels;
|
||||
|
||||
if (data->channels > 1) {
|
||||
hw->wiphy->max_scan_ssids = 255;
|
||||
hw->wiphy->max_scan_ie_len = IEEE80211_MAX_DATA_LEN;
|
||||
hw->wiphy->max_remain_on_channel_duration = 1000;
|
||||
/* For channels > 1 DFS is not allowed */
|
||||
hw->wiphy->n_iface_combinations = 1;
|
||||
hw->wiphy->iface_combinations = &data->if_combination;
|
||||
data->if_combination = hwsim_if_comb[0];
|
||||
data->if_combination.num_different_channels = data->channels;
|
||||
} else {
|
||||
hw->wiphy->iface_combinations = hwsim_if_comb;
|
||||
hw->wiphy->n_iface_combinations = ARRAY_SIZE(hwsim_if_comb);
|
||||
}
|
||||
|
||||
INIT_DELAYED_WORK(&data->roc_done, hw_roc_done);
|
||||
INIT_DELAYED_WORK(&data->hw_scan, hw_scan_work);
|
||||
|
||||
hw->queues = 5;
|
||||
hw->offchannel_tx_hw_queue = 4;
|
||||
hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
|
||||
BIT(NL80211_IFTYPE_AP) |
|
||||
BIT(NL80211_IFTYPE_P2P_CLIENT) |
|
||||
BIT(NL80211_IFTYPE_P2P_GO) |
|
||||
BIT(NL80211_IFTYPE_ADHOC) |
|
||||
BIT(NL80211_IFTYPE_MESH_POINT) |
|
||||
BIT(NL80211_IFTYPE_P2P_DEVICE);
|
||||
|
||||
hw->flags = IEEE80211_HW_MFP_CAPABLE |
|
||||
IEEE80211_HW_SIGNAL_DBM |
|
||||
IEEE80211_HW_SUPPORTS_STATIC_SMPS |
|
||||
IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS |
|
||||
IEEE80211_HW_AMPDU_AGGREGATION |
|
||||
IEEE80211_HW_WANT_MONITOR_VIF |
|
||||
IEEE80211_HW_QUEUE_CONTROL |
|
||||
IEEE80211_HW_SUPPORTS_HT_CCK_RATES;
|
||||
if (rctbl)
|
||||
hw->flags |= IEEE80211_HW_SUPPORTS_RC_TABLE;
|
||||
|
||||
hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS |
|
||||
WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL |
|
||||
WIPHY_FLAG_AP_UAPSD;
|
||||
hw->wiphy->features |= NL80211_FEATURE_ACTIVE_MONITOR;
|
||||
|
||||
/* ask mac80211 to reserve space for magic */
|
||||
hw->vif_data_size = sizeof(struct hwsim_vif_priv);
|
||||
hw->sta_data_size = sizeof(struct hwsim_sta_priv);
|
||||
hw->chanctx_data_size = sizeof(struct hwsim_chanctx_priv);
|
||||
|
||||
memcpy(data->channels_2ghz, hwsim_channels_2ghz,
|
||||
sizeof(hwsim_channels_2ghz));
|
||||
memcpy(data->channels_5ghz, hwsim_channels_5ghz,
|
||||
sizeof(hwsim_channels_5ghz));
|
||||
memcpy(data->rates, hwsim_rates, sizeof(hwsim_rates));
|
||||
|
||||
for (band = IEEE80211_BAND_2GHZ; band < IEEE80211_NUM_BANDS; band++) {
|
||||
struct ieee80211_supported_band *sband = &data->bands[band];
|
||||
switch (band) {
|
||||
case IEEE80211_BAND_2GHZ:
|
||||
sband->channels = data->channels_2ghz;
|
||||
sband->n_channels = ARRAY_SIZE(hwsim_channels_2ghz);
|
||||
sband->bitrates = data->rates;
|
||||
sband->n_bitrates = ARRAY_SIZE(hwsim_rates);
|
||||
break;
|
||||
case IEEE80211_BAND_5GHZ:
|
||||
sband->channels = data->channels_5ghz;
|
||||
sband->n_channels = ARRAY_SIZE(hwsim_channels_5ghz);
|
||||
sband->bitrates = data->rates + 4;
|
||||
sband->n_bitrates = ARRAY_SIZE(hwsim_rates) - 4;
|
||||
break;
|
||||
default:
|
||||
continue;
|
||||
}
|
||||
|
||||
sband->ht_cap.ht_supported = true;
|
||||
sband->ht_cap.cap = IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
|
||||
IEEE80211_HT_CAP_GRN_FLD |
|
||||
IEEE80211_HT_CAP_SGI_40 |
|
||||
IEEE80211_HT_CAP_DSSSCCK40;
|
||||
sband->ht_cap.ampdu_factor = 0x3;
|
||||
sband->ht_cap.ampdu_density = 0x6;
|
||||
memset(&sband->ht_cap.mcs, 0,
|
||||
sizeof(sband->ht_cap.mcs));
|
||||
sband->ht_cap.mcs.rx_mask[0] = 0xff;
|
||||
sband->ht_cap.mcs.rx_mask[1] = 0xff;
|
||||
sband->ht_cap.mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
|
||||
|
||||
hw->wiphy->bands[band] = sband;
|
||||
|
||||
sband->vht_cap.vht_supported = true;
|
||||
sband->vht_cap.cap =
|
||||
IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 |
|
||||
IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ |
|
||||
IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ |
|
||||
IEEE80211_VHT_CAP_RXLDPC |
|
||||
IEEE80211_VHT_CAP_SHORT_GI_80 |
|
||||
IEEE80211_VHT_CAP_SHORT_GI_160 |
|
||||
IEEE80211_VHT_CAP_TXSTBC |
|
||||
IEEE80211_VHT_CAP_RXSTBC_1 |
|
||||
IEEE80211_VHT_CAP_RXSTBC_2 |
|
||||
IEEE80211_VHT_CAP_RXSTBC_3 |
|
||||
IEEE80211_VHT_CAP_RXSTBC_4 |
|
||||
IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK;
|
||||
sband->vht_cap.vht_mcs.rx_mcs_map =
|
||||
cpu_to_le16(IEEE80211_VHT_MCS_SUPPORT_0_8 << 0 |
|
||||
IEEE80211_VHT_MCS_SUPPORT_0_8 << 2 |
|
||||
IEEE80211_VHT_MCS_SUPPORT_0_9 << 4 |
|
||||
IEEE80211_VHT_MCS_SUPPORT_0_8 << 6 |
|
||||
IEEE80211_VHT_MCS_SUPPORT_0_8 << 8 |
|
||||
IEEE80211_VHT_MCS_SUPPORT_0_9 << 10 |
|
||||
IEEE80211_VHT_MCS_SUPPORT_0_9 << 12 |
|
||||
IEEE80211_VHT_MCS_SUPPORT_0_8 << 14);
|
||||
sband->vht_cap.vht_mcs.tx_mcs_map =
|
||||
sband->vht_cap.vht_mcs.rx_mcs_map;
|
||||
}
|
||||
|
||||
/* By default all radios belong to the first group */
|
||||
data->group = 1;
|
||||
mutex_init(&data->mutex);
|
||||
|
||||
/* Enable frame retransmissions for lossy channels */
|
||||
hw->max_rates = 4;
|
||||
hw->max_rate_tries = 11;
|
||||
|
||||
err = ieee80211_register_hw(hw);
|
||||
if (err < 0) {
|
||||
printk(KERN_DEBUG "mac80211_hwsim: ieee80211_register_hw failed (%d)\n",
|
||||
err);
|
||||
goto failed_hw;
|
||||
}
|
||||
|
||||
wiphy_debug(hw->wiphy, "hwaddr %pM registered\n", hw->wiphy->perm_addr);
|
||||
|
||||
data->debugfs = debugfs_create_dir("hwsim", hw->wiphy->debugfsdir);
|
||||
debugfs_create_file("ps", 0666, data->debugfs, data, &hwsim_fops_ps);
|
||||
debugfs_create_file("group", 0666, data->debugfs, data,
|
||||
&hwsim_fops_group);
|
||||
if (data->channels == 1)
|
||||
debugfs_create_file("dfs_simulate_radar", 0222,
|
||||
data->debugfs,
|
||||
data, &hwsim_simulate_radar);
|
||||
|
||||
tasklet_hrtimer_init(&data->beacon_timer,
|
||||
mac80211_hwsim_beacon,
|
||||
CLOCK_MONOTONIC_RAW, HRTIMER_MODE_ABS);
|
||||
|
||||
spin_lock_bh(&hwsim_radio_lock);
|
||||
list_add_tail(&data->list, &hwsim_radios);
|
||||
spin_unlock_bh(&hwsim_radio_lock);
|
||||
|
||||
return 0;
|
||||
|
||||
failed_hw:
|
||||
device_unregister(data->dev);
|
||||
failed_drvdata:
|
||||
ieee80211_free_hw(hw);
|
||||
failed:
|
||||
return err;
|
||||
}
|
||||
|
||||
static int __init init_mac80211_hwsim(void)
|
||||
{
|
||||
int i, err;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user