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mac80211_hwsim: make P2P-Device support optional 

When creating new devices, allow P2P-Device support to be
turned off to be able to test default behaviour with and
without the support.

Also add a module parameter for the default setting.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg 2014-01-10 20:07:49 +01:00
parent cc01f9b55f
commit 8c66a3d9d9
2 changed files with 48 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

53
drivers/net/wireless/mac80211_hwsim.c
View File

@ -57,6 +57,10 @@ static bool rctbl = false;
module_param(rctbl, bool, 0444);
MODULE_PARM_DESC(rctbl, "Handle rate control table");
static bool support_p2p_device = true;
module_param(support_p2p_device, bool, 0444);
MODULE_PARM_DESC(support_p2p_device, "Support P2P-Device interface type");
/**
* enum hwsim_regtest - the type of regulatory tests we offer
*
@ -335,7 +339,8 @@ static const struct ieee80211_iface_limit hwsim_if_limits[] = {
#endif
BIT(NL80211_IFTYPE_AP) |
BIT(NL80211_IFTYPE_P2P_GO) },
{ .max = 1, .types = BIT(NL80211_IFTYPE_P2P_DEVICE) },
/* must be last, see hwsim_if_comb */
{ .max = 1, .types = BIT(NL80211_IFTYPE_P2P_DEVICE) }
};
static const struct ieee80211_iface_limit hwsim_if_dfs_limits[] = {
@ -343,6 +348,27 @@ static const struct ieee80211_iface_limit hwsim_if_dfs_limits[] = {
};
static const struct ieee80211_iface_combination hwsim_if_comb[] = {
{
.limits = hwsim_if_limits,
/* remove the last entry which is P2P_DEVICE */
.n_limits = ARRAY_SIZE(hwsim_if_limits) - 1,
.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 const struct ieee80211_iface_combination hwsim_if_comb_p2p_dev[] = {
{
.limits = hwsim_if_limits,
.n_limits = ARRAY_SIZE(hwsim_if_limits),
@ -468,6 +494,7 @@ static const struct nla_policy hwsim_genl_policy[HWSIM_ATTR_MAX + 1] = {
[HWSIM_ATTR_REG_HINT_ALPHA2] = { .type = NLA_STRING, .len = 2 },
[HWSIM_ATTR_REG_CUSTOM_REG] = { .type = NLA_U32 },
[HWSIM_ATTR_REG_STRICT_REG] = { .type = NLA_FLAG },
[HWSIM_ATTR_SUPPORT_P2P_DEVICE] = { .type = NLA_FLAG },
};
static void mac80211_hwsim_tx_frame(struct ieee80211_hw *hw,
@ -1936,7 +1963,7 @@ static struct ieee80211_ops mac80211_hwsim_mchan_ops;
static int mac80211_hwsim_create_radio(int channels, const char *reg_alpha2,
const struct ieee80211_regdomain *regd,
bool reg_strict)
bool reg_strict, bool p2p_device)
{
int err;
u8 addr[ETH_ALEN];
@ -2000,8 +2027,15 @@ static int mac80211_hwsim_create_radio(int channels, const char *reg_alpha2,
/* 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;
if (p2p_device)
data->if_combination = hwsim_if_comb_p2p_dev[0];
else
data->if_combination = hwsim_if_comb[0];
} else if (p2p_device) {
hw->wiphy->iface_combinations = hwsim_if_comb_p2p_dev;
hw->wiphy->n_iface_combinations =
ARRAY_SIZE(hwsim_if_comb_p2p_dev);
} else {
hw->wiphy->iface_combinations = hwsim_if_comb;
hw->wiphy->n_iface_combinations = ARRAY_SIZE(hwsim_if_comb);
@ -2017,8 +2051,10 @@ static int mac80211_hwsim_create_radio(int channels, const char *reg_alpha2,
BIT(NL80211_IFTYPE_P2P_CLIENT) |
BIT(NL80211_IFTYPE_P2P_GO) |
BIT(NL80211_IFTYPE_ADHOC) |
BIT(NL80211_IFTYPE_MESH_POINT) |
BIT(NL80211_IFTYPE_P2P_DEVICE);
BIT(NL80211_IFTYPE_MESH_POINT);
if (p2p_device)
hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_P2P_DEVICE);
hw->flags = IEEE80211_HW_MFP_CAPABLE |
IEEE80211_HW_SIGNAL_DBM |
@ -2407,6 +2443,7 @@ static int hwsim_create_radio_nl(struct sk_buff *msg, struct genl_info *info)
const char *alpha2 = NULL;
const struct ieee80211_regdomain *regd = NULL;
bool reg_strict = info->attrs[HWSIM_ATTR_REG_STRICT_REG];
bool p2p_device = info->attrs[HWSIM_ATTR_SUPPORT_P2P_DEVICE];
if (info->attrs[HWSIM_ATTR_CHANNELS])
chans = nla_get_u32(info->attrs[HWSIM_ATTR_CHANNELS]);
@ -2422,7 +2459,8 @@ static int hwsim_create_radio_nl(struct sk_buff *msg, struct genl_info *info)
regd = hwsim_world_regdom_custom[idx];
}
return mac80211_hwsim_create_radio(chans, alpha2, regd, reg_strict);
return mac80211_hwsim_create_radio(chans, alpha2, regd, reg_strict,
p2p_device);
}
static int hwsim_destroy_radio_nl(struct sk_buff *msg, struct genl_info *info)
@ -2640,7 +2678,8 @@ static int __init init_mac80211_hwsim(void)
}
err = mac80211_hwsim_create_radio(channels, reg_alpha2,
regd, reg_strict);
regd, reg_strict,
support_p2p_device);
if (err < 0)
goto out_free_radios;
}

2
drivers/net/wireless/mac80211_hwsim.h
View File

@ -107,6 +107,7 @@ enum {
* (nla string, length 2)
* @HWSIM_ATTR_REG_CUSTOM_REG: custom regulatory domain index (u32 attribute)
* @HWSIM_ATTR_REG_STRICT_REG: request REGULATORY_STRICT_REG (flag attribute)
* @HWSIM_ATTR_SUPPORT_P2P_DEVICE: support P2P Device virtual interface (flag)
* @__HWSIM_ATTR_MAX: enum limit
*/
@ -126,6 +127,7 @@ enum {
HWSIM_ATTR_REG_HINT_ALPHA2,
HWSIM_ATTR_REG_CUSTOM_REG,
HWSIM_ATTR_REG_STRICT_REG,
HWSIM_ATTR_SUPPORT_P2P_DEVICE,
__HWSIM_ATTR_MAX,
};
#define HWSIM_ATTR_MAX (__HWSIM_ATTR_MAX - 1)