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netdev: Allow iwd.conf to specify PAE over NL80211

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Right now iwd uses Control Port over NL80211 feature if the kernel /
driver supports it.  On some kernels this feature is still buggy, so add
an iwd.conf entry to allow the user to override id.

For now the default is to disable this feature until it is more stable.
This commit is contained in:
Denis Kenzior 2018-07-01 20:35:22 -05:00
parent 69fe274c7d
commit 7676aa2107
1 changed files with 17 additions and 4 deletions
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21
src/netdev.c
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@ -108,6 +108,7 @@ struct netdev {
bool connected : 1;
bool operational : 1;
bool rekey_offload_support : 1;
bool pae_over_nl80211 : 1;
bool in_ft : 1;
bool cur_rssi_low : 1;
bool use_4addr : 1;
@ -2119,8 +2120,7 @@ static struct l_genl_msg *netdev_build_cmd_connect(struct netdev *netdev,
bss->ssid_len, bss->ssid);
l_genl_msg_append_attr(msg, NL80211_ATTR_AUTH_TYPE, 4, &auth_type);
if (wiphy_has_ext_feature(netdev->wiphy,
NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211))
if (netdev->pae_over_nl80211)
l_genl_msg_append_attr(msg,
NL80211_ATTR_CONTROL_PORT_OVER_NL80211,
0, NULL);
@ -3220,8 +3220,7 @@ static int netdev_control_port_frame(uint32_t ifindex,
frame_size = sizeof(struct eapol_header) +
L_BE16_TO_CPU(ef->header.packet_len);
if (!wiphy_has_ext_feature(netdev->wiphy,
NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211))
if (!netdev->pae_over_nl80211)
return netdev_control_port_write_pae(netdev, dest, proto,
ef, noencrypt);
@ -3848,6 +3847,8 @@ static void netdev_create_from_genl(struct l_genl_msg *msg)
const uint8_t action_sa_query_resp_prefix[2] = { 0x08, 0x01 };
const uint8_t action_sa_query_req_prefix[2] = { 0x08, 0x00 };
struct l_io *pae_io = NULL;
const struct l_settings *settings = iwd_get_config();
bool pae_over_nl80211;
if (!l_genl_attr_init(&attr, msg))
return;
@ -3925,10 +3926,21 @@ static void netdev_create_from_genl(struct l_genl_msg *msg)
return;
}
if (!l_settings_get_bool(settings, "General",
"ControlPortOverNL80211", &pae_over_nl80211)) {
pae_over_nl80211 = false;
l_info("No ControlPortOverNL80211 setting, defaulting to %s",
pae_over_nl80211 ? "True" : "False");
}
if (!wiphy_has_ext_feature(wiphy,
NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211)) {
l_debug("No Control Port over NL80211 support for ifindex: %u,"
" using PAE socket", *ifindex);
pae_over_nl80211 = false;
}
if (!pae_over_nl80211) {
pae_io = pae_open(*ifindex);
if (!pae_io) {
l_error("Unable to open PAE interface");
@ -3943,6 +3955,7 @@ static void netdev_create_from_genl(struct l_genl_msg *msg)
memcpy(netdev->addr, ifaddr, sizeof(netdev->addr));
memcpy(netdev->name, ifname, ifname_len);
netdev->wiphy = wiphy;
netdev->pae_over_nl80211 = pae_over_nl80211;
if (pae_io) {
netdev->pae_io = pae_io;