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From ff7e9a0e3bf9229b2ea55ac0e832358fe13b97b4 Mon Sep 17 00:00:00 2001
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From: Yu Watanabe <watanabe.yu+github@gmail.com>
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Date: Tue, 22 Nov 2022 14:24:32 +0900
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Subject: [PATCH] network: wifi: try to reconfigure when connected
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Sometimes, RTM_NEWLINK message with carrier is received earlier than
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NL80211_CMD_CONNECT. To make SSID= or other WiFi related settings in
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[Match] section work, let's try to reconfigure the interface.
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Fixes a bug introduced by 96f5f9ef9a1ba5146d3357c1548fb675d3bd5b68.
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Fixes #25384.
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(cherry picked from commit 8a4ad01a72481a6a7c0309064dd2dbd814818c94)
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Related: #2138081
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---
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src/network/networkd-link.c | 2 +-
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src/network/networkd-link.h | 1 +
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src/network/networkd-wifi.c | 12 ++++++++++++
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3 files changed, 14 insertions(+), 1 deletion(-)
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diff --git a/src/network/networkd-link.c b/src/network/networkd-link.c
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index 00e4e451ef..788c7957d3 100644
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--- a/src/network/networkd-link.c
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+++ b/src/network/networkd-link.c
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@@ -1178,7 +1178,7 @@ static int link_get_network(Link *link, Network **ret) {
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return -ENOENT;
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}
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-static int link_reconfigure_impl(Link *link, bool force) {
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+int link_reconfigure_impl(Link *link, bool force) {
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Network *network = NULL;
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NetDev *netdev = NULL;
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int r;
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diff --git a/src/network/networkd-link.h b/src/network/networkd-link.h
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index 9f1cdca312..65b0164106 100644
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--- a/src/network/networkd-link.h
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+++ b/src/network/networkd-link.h
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@@ -234,6 +234,7 @@ int link_stop_engines(Link *link, bool may_keep_dhcp);
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const char* link_state_to_string(LinkState s) _const_;
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LinkState link_state_from_string(const char *s) _pure_;
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+int link_reconfigure_impl(Link *link, bool force);
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int link_reconfigure(Link *link, bool force);
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int link_reconfigure_after_sleep(Link *link);
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diff --git a/src/network/networkd-wifi.c b/src/network/networkd-wifi.c
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index 4bf798a9eb..62cbca0cf9 100644
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--- a/src/network/networkd-wifi.c
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+++ b/src/network/networkd-wifi.c
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@@ -269,6 +269,18 @@ int manager_genl_process_nl80211_mlme(sd_netlink *genl, sd_netlink_message *mess
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if (link->wlan_iftype == NL80211_IFTYPE_STATION && link->ssid)
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log_link_info(link, "Connected WiFi access point: %s (%s)",
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link->ssid, ETHER_ADDR_TO_STR(&link->bssid));
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+
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+ /* Sometimes, RTM_NEWLINK message with carrier is received earlier than NL80211_CMD_CONNECT.
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+ * To make SSID= or other WiFi related settings in [Match] section work, let's try to
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+ * reconfigure the interface. */
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+ if (link->ssid && link_has_carrier(link)) {
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+ r = link_reconfigure_impl(link, /* force = */ false);
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+ if (r < 0) {
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+ log_link_warning_errno(link, r, "Failed to reconfigure interface: %m");
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+ link_enter_failed(link);
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+ return 0;
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+ }
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+ }
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break;
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}
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case NL80211_CMD_DISCONNECT:
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