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path: root/drivers/net/wireless/mac80211_hwsim.c
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Diffstat (limited to 'drivers/net/wireless/mac80211_hwsim.c')
-rw-r--r--drivers/net/wireless/mac80211_hwsim.c141
1 files changed, 79 insertions, 62 deletions
diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c
index d3bad5779376..50c219fb1a52 100644
--- a/drivers/net/wireless/mac80211_hwsim.c
+++ b/drivers/net/wireless/mac80211_hwsim.c
@@ -250,7 +250,7 @@ static inline void hwsim_clear_chanctx_magic(struct ieee80211_chanctx_conf *c)
cp->magic = 0;
}
-static int hwsim_net_id;
+static unsigned int hwsim_net_id;
static int hwsim_netgroup;
@@ -587,15 +587,8 @@ struct hwsim_radiotap_ack_hdr {
__le16 rt_chbitmask;
} __packed;
-/* MAC80211_HWSIM netlinf family */
-static struct genl_family hwsim_genl_family = {
- .id = GENL_ID_GENERATE,
- .hdrsize = 0,
- .name = "MAC80211_HWSIM",
- .version = 1,
- .maxattr = HWSIM_ATTR_MAX,
- .netnsok = true,
-};
+/* MAC80211_HWSIM netlink family */
+static struct genl_family hwsim_genl_family;
enum hwsim_multicast_groups {
HWSIM_MCGRP_CONFIG,
@@ -2256,35 +2249,51 @@ static void mac80211_hwsim_get_et_stats(struct ieee80211_hw *hw,
WARN_ON(i != MAC80211_HWSIM_SSTATS_LEN);
}
+#define HWSIM_COMMON_OPS \
+ .tx = mac80211_hwsim_tx, \
+ .start = mac80211_hwsim_start, \
+ .stop = mac80211_hwsim_stop, \
+ .add_interface = mac80211_hwsim_add_interface, \
+ .change_interface = mac80211_hwsim_change_interface, \
+ .remove_interface = mac80211_hwsim_remove_interface, \
+ .config = mac80211_hwsim_config, \
+ .configure_filter = mac80211_hwsim_configure_filter, \
+ .bss_info_changed = mac80211_hwsim_bss_info_changed, \
+ .sta_add = mac80211_hwsim_sta_add, \
+ .sta_remove = mac80211_hwsim_sta_remove, \
+ .sta_notify = mac80211_hwsim_sta_notify, \
+ .set_tim = mac80211_hwsim_set_tim, \
+ .conf_tx = mac80211_hwsim_conf_tx, \
+ .get_survey = mac80211_hwsim_get_survey, \
+ CFG80211_TESTMODE_CMD(mac80211_hwsim_testmode_cmd) \
+ .ampdu_action = mac80211_hwsim_ampdu_action, \
+ .flush = mac80211_hwsim_flush, \
+ .get_tsf = mac80211_hwsim_get_tsf, \
+ .set_tsf = mac80211_hwsim_set_tsf, \
+ .get_et_sset_count = mac80211_hwsim_get_et_sset_count, \
+ .get_et_stats = mac80211_hwsim_get_et_stats, \
+ .get_et_strings = mac80211_hwsim_get_et_strings,
+
static const struct ieee80211_ops mac80211_hwsim_ops = {
- .tx = mac80211_hwsim_tx,
- .start = mac80211_hwsim_start,
- .stop = mac80211_hwsim_stop,
- .add_interface = mac80211_hwsim_add_interface,
- .change_interface = mac80211_hwsim_change_interface,
- .remove_interface = mac80211_hwsim_remove_interface,
- .config = mac80211_hwsim_config,
- .configure_filter = mac80211_hwsim_configure_filter,
- .bss_info_changed = mac80211_hwsim_bss_info_changed,
- .sta_add = mac80211_hwsim_sta_add,
- .sta_remove = mac80211_hwsim_sta_remove,
- .sta_notify = mac80211_hwsim_sta_notify,
- .set_tim = mac80211_hwsim_set_tim,
- .conf_tx = mac80211_hwsim_conf_tx,
- .get_survey = mac80211_hwsim_get_survey,
- CFG80211_TESTMODE_CMD(mac80211_hwsim_testmode_cmd)
- .ampdu_action = mac80211_hwsim_ampdu_action,
+ HWSIM_COMMON_OPS
.sw_scan_start = mac80211_hwsim_sw_scan,
.sw_scan_complete = mac80211_hwsim_sw_scan_complete,
- .flush = mac80211_hwsim_flush,
- .get_tsf = mac80211_hwsim_get_tsf,
- .set_tsf = mac80211_hwsim_set_tsf,
- .get_et_sset_count = mac80211_hwsim_get_et_sset_count,
- .get_et_stats = mac80211_hwsim_get_et_stats,
- .get_et_strings = mac80211_hwsim_get_et_strings,
};
-static struct ieee80211_ops mac80211_hwsim_mchan_ops;
+static const struct ieee80211_ops mac80211_hwsim_mchan_ops = {
+ HWSIM_COMMON_OPS
+ .hw_scan = mac80211_hwsim_hw_scan,
+ .cancel_hw_scan = mac80211_hwsim_cancel_hw_scan,
+ .sw_scan_start = NULL,
+ .sw_scan_complete = NULL,
+ .remain_on_channel = mac80211_hwsim_roc,
+ .cancel_remain_on_channel = mac80211_hwsim_croc,
+ .add_chanctx = mac80211_hwsim_add_chanctx,
+ .remove_chanctx = mac80211_hwsim_remove_chanctx,
+ .change_chanctx = mac80211_hwsim_change_chanctx,
+ .assign_vif_chanctx = mac80211_hwsim_assign_vif_chanctx,
+ .unassign_vif_chanctx = mac80211_hwsim_unassign_vif_chanctx,
+};
struct hwsim_new_radio_params {
unsigned int channels;
@@ -2662,7 +2671,7 @@ static int mac80211_hwsim_new_radio(struct genl_info *info,
tasklet_hrtimer_init(&data->beacon_timer,
mac80211_hwsim_beacon,
- CLOCK_MONOTONIC_RAW, HRTIMER_MODE_ABS);
+ CLOCK_MONOTONIC, HRTIMER_MODE_ABS);
spin_lock_bh(&hwsim_radio_lock);
list_add_tail(&data->list, &hwsim_radios);
@@ -2791,7 +2800,6 @@ static void mac80211_hwsim_free(void)
static const struct net_device_ops hwsim_netdev_ops = {
.ndo_start_xmit = hwsim_mon_xmit,
- .ndo_change_mtu = eth_change_mtu,
.ndo_set_mac_address = eth_mac_addr,
.ndo_validate_addr = eth_validate_addr,
};
@@ -3048,6 +3056,7 @@ static int hwsim_register_received_nl(struct sk_buff *skb_2,
static int hwsim_new_radio_nl(struct sk_buff *msg, struct genl_info *info)
{
struct hwsim_new_radio_params param = { 0 };
+ const char *hwname = NULL;
param.reg_strict = info->attrs[HWSIM_ATTR_REG_STRICT_REG];
param.p2p_device = info->attrs[HWSIM_ATTR_SUPPORT_P2P_DEVICE];
@@ -3061,8 +3070,14 @@ static int hwsim_new_radio_nl(struct sk_buff *msg, struct genl_info *info)
if (info->attrs[HWSIM_ATTR_NO_VIF])
param.no_vif = true;
- if (info->attrs[HWSIM_ATTR_RADIO_NAME])
- param.hwname = nla_data(info->attrs[HWSIM_ATTR_RADIO_NAME]);
+ if (info->attrs[HWSIM_ATTR_RADIO_NAME]) {
+ hwname = kasprintf(GFP_KERNEL, "%.*s",
+ nla_len(info->attrs[HWSIM_ATTR_RADIO_NAME]),
+ (char *)nla_data(info->attrs[HWSIM_ATTR_RADIO_NAME]));
+ if (!hwname)
+ return -ENOMEM;
+ param.hwname = hwname;
+ }
if (info->attrs[HWSIM_ATTR_USE_CHANCTX])
param.use_chanctx = true;
@@ -3090,11 +3105,15 @@ static int hwsim_del_radio_nl(struct sk_buff *msg, struct genl_info *info)
s64 idx = -1;
const char *hwname = NULL;
- if (info->attrs[HWSIM_ATTR_RADIO_ID])
+ if (info->attrs[HWSIM_ATTR_RADIO_ID]) {
idx = nla_get_u32(info->attrs[HWSIM_ATTR_RADIO_ID]);
- else if (info->attrs[HWSIM_ATTR_RADIO_NAME])
- hwname = (void *)nla_data(info->attrs[HWSIM_ATTR_RADIO_NAME]);
- else
+ } else if (info->attrs[HWSIM_ATTR_RADIO_NAME]) {
+ hwname = kasprintf(GFP_KERNEL, "%.*s",
+ nla_len(info->attrs[HWSIM_ATTR_RADIO_NAME]),
+ (char *)nla_data(info->attrs[HWSIM_ATTR_RADIO_NAME]));
+ if (!hwname)
+ return -ENOMEM;
+ } else
return -EINVAL;
spin_lock_bh(&hwsim_radio_lock);
@@ -3103,7 +3122,8 @@ static int hwsim_del_radio_nl(struct sk_buff *msg, struct genl_info *info)
if (data->idx != idx)
continue;
} else {
- if (strcmp(hwname, wiphy_name(data->hw->wiphy)))
+ if (!hwname ||
+ strcmp(hwname, wiphy_name(data->hw->wiphy)))
continue;
}
@@ -3114,10 +3134,12 @@ static int hwsim_del_radio_nl(struct sk_buff *msg, struct genl_info *info)
spin_unlock_bh(&hwsim_radio_lock);
mac80211_hwsim_del_radio(data, wiphy_name(data->hw->wiphy),
info);
+ kfree(hwname);
return 0;
}
spin_unlock_bh(&hwsim_radio_lock);
+ kfree(hwname);
return -ENODEV;
}
@@ -3236,6 +3258,18 @@ static const struct genl_ops hwsim_ops[] = {
},
};
+static struct genl_family hwsim_genl_family __ro_after_init = {
+ .name = "MAC80211_HWSIM",
+ .version = 1,
+ .maxattr = HWSIM_ATTR_MAX,
+ .netnsok = true,
+ .module = THIS_MODULE,
+ .ops = hwsim_ops,
+ .n_ops = ARRAY_SIZE(hwsim_ops),
+ .mcgrps = hwsim_mcgrps,
+ .n_mcgrps = ARRAY_SIZE(hwsim_mcgrps),
+};
+
static void destroy_radio(struct work_struct *work)
{
struct mac80211_hwsim_data *data =
@@ -3283,15 +3317,13 @@ static struct notifier_block hwsim_netlink_notifier = {
.notifier_call = mac80211_hwsim_netlink_notify,
};
-static int hwsim_init_netlink(void)
+static int __init hwsim_init_netlink(void)
{
int rc;
printk(KERN_INFO "mac80211_hwsim: initializing netlink\n");
- rc = genl_register_family_with_ops_groups(&hwsim_genl_family,
- hwsim_ops,
- hwsim_mcgrps);
+ rc = genl_register_family(&hwsim_genl_family);
if (rc)
goto failure;
@@ -3360,21 +3392,6 @@ static int __init init_mac80211_hwsim(void)
if (channels < 1)
return -EINVAL;
- mac80211_hwsim_mchan_ops = mac80211_hwsim_ops;
- mac80211_hwsim_mchan_ops.hw_scan = mac80211_hwsim_hw_scan;
- mac80211_hwsim_mchan_ops.cancel_hw_scan = mac80211_hwsim_cancel_hw_scan;
- mac80211_hwsim_mchan_ops.sw_scan_start = NULL;
- mac80211_hwsim_mchan_ops.sw_scan_complete = NULL;
- mac80211_hwsim_mchan_ops.remain_on_channel = mac80211_hwsim_roc;
- mac80211_hwsim_mchan_ops.cancel_remain_on_channel = mac80211_hwsim_croc;
- mac80211_hwsim_mchan_ops.add_chanctx = mac80211_hwsim_add_chanctx;
- mac80211_hwsim_mchan_ops.remove_chanctx = mac80211_hwsim_remove_chanctx;
- mac80211_hwsim_mchan_ops.change_chanctx = mac80211_hwsim_change_chanctx;
- mac80211_hwsim_mchan_ops.assign_vif_chanctx =
- mac80211_hwsim_assign_vif_chanctx;
- mac80211_hwsim_mchan_ops.unassign_vif_chanctx =
- mac80211_hwsim_unassign_vif_chanctx;
-
spin_lock_init(&hwsim_radio_lock);
err = register_pernet_device(&hwsim_net_ops);
generated by cgit v1.2.3 (git 2.46.0) at 2025-09-08 04:38:15 +0000