diff options
Diffstat (limited to 'package/network/services/hostapd/patches/020-ignore-4addr-mode-enabling-error.patch')
| -rw-r--r-- | package/network/services/hostapd/patches/020-ignore-4addr-mode-enabling-error.patch | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/package/network/services/hostapd/patches/020-ignore-4addr-mode-enabling-error.patch b/package/network/services/hostapd/patches/020-ignore-4addr-mode-enabling-error.patch new file mode 100644 index 0000000000..3431ac0949 --- /dev/null +++ b/package/network/services/hostapd/patches/020-ignore-4addr-mode-enabling-error.patch @@ -0,0 +1,78 @@ +From c7cca9b08f3e1e49c4a4a59ec66c47d91448e6ae Mon Sep 17 00:00:00 2001 +From: Jouni Malinen <j@w1.fi> +Date: Sat, 13 Feb 2021 23:59:28 +0200 +Subject: [PATCH] nl80211: Ignore 4addr mode enabling error if it was already + enabled + +nl80211_set_4addr_mode() could fail when trying to enable 4addr mode on +an interface that is in a bridge and has 4addr mode already enabled. +This operation would not have been necessary in the first place and this +failure results in disconnecting, e.g., when roaming from one backhaul +BSS to another BSS with Multi AP. + +Avoid this issue by ignoring the nl80211 command failure in the case +where 4addr mode is being enabled while it has already been enabled. + +Signed-off-by: Jouni Malinen <j@w1.fi> +--- + src/drivers/driver_nl80211.c | 23 +++++++++++++++++++++++ + 1 file changed, 23 insertions(+) + +diff --git a/src/drivers/driver_nl80211.c b/src/drivers/driver_nl80211.c +index 72189da24..011a15e68 100644 +--- a/src/drivers/driver_nl80211.c ++++ b/src/drivers/driver_nl80211.c +@@ -617,6 +617,7 @@ struct wiphy_idx_data { + int wiphy_idx; + enum nl80211_iftype nlmode; + u8 *macaddr; ++ u8 use_4addr; + }; + + +@@ -639,6 +640,9 @@ static int netdev_info_handler(struct nl_msg *msg, void *arg) + os_memcpy(info->macaddr, nla_data(tb[NL80211_ATTR_MAC]), + ETH_ALEN); + ++ if (tb[NL80211_ATTR_4ADDR]) ++ info->use_4addr = nla_get_u8(tb[NL80211_ATTR_4ADDR]); ++ + return NL_SKIP; + } + +@@ -691,6 +695,20 @@ static int nl80211_get_macaddr(struct i802_bss *bss) + } + + ++static int nl80211_get_4addr(struct i802_bss *bss) ++{ ++ struct nl_msg *msg; ++ struct wiphy_idx_data data = { ++ .use_4addr = 0, ++ }; ++ ++ if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_GET_INTERFACE)) || ++ send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data)) ++ return -1; ++ return data.use_4addr; ++} ++ ++ + static int nl80211_register_beacons(struct wpa_driver_nl80211_data *drv, + struct nl80211_wiphy_data *w) + { +@@ -11482,6 +11500,11 @@ static int nl80211_set_4addr_mode(void *priv, const char *bridge_ifname, + + ret = send_and_recv_msgs(drv, msg, NULL, NULL); + msg = NULL; ++ if (ret && val && nl80211_get_4addr(bss) == 1) { ++ wpa_printf(MSG_DEBUG, ++ "nl80211: 4addr mode was already enabled"); ++ ret = 0; ++ } + if (!ret) { + if (bridge_ifname[0] && val && + i802_check_bridge(drv, bss, bridge_ifname, bss->ifname) < 0) +-- +2.29.2 + |