48 lines
1.9 KiB
Diff
48 lines
1.9 KiB
Diff
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From: David Bauer <mail@david-bauer.net>
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Date: Sat, 4 Jul 2020 13:20:07 +0200
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Subject: hostapd: enter DFS state if no available channel is found
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Previously hostapd would not stop transmitting when a DFS event was
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detected and no available channel to switch to was available.
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Disable and re-enable the interface to enter DFS state. This way, TX
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does not happen until the kernel notifies hostapd about the NOP
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expiring.
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Signed-off-by: David Bauer <mail@david-bauer.net>
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diff --git a/package/network/services/hostapd/patches/800-dfs-enter-DFS-state-if-no-available-channel-is-found.patch b/package/network/services/hostapd/patches/800-dfs-enter-DFS-state-if-no-available-channel-is-found.patch
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new file mode 100644
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index 0000000000000000000000000000000000000000..59e903f06ae66208517c2d620b4cd128f41f25c1
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--- /dev/null
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+++ b/package/network/services/hostapd/patches/800-dfs-enter-DFS-state-if-no-available-channel-is-found.patch
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@@ -0,0 +1,28 @@
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+From cefc52e6b93731c713f1bba1cb5e7e92105b758b Mon Sep 17 00:00:00 2001
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+From: David Bauer <mail@david-bauer.net>
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+Date: Fri, 3 Jul 2020 23:00:34 +0200
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+Subject: [PATCH] dfs: enter DFS state if no available channel is found
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+
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+Previously hostapd would not stop transmitting when a DFS event was
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+detected and no available channel to switch to was available.
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+
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+Disable and re-enable the interface to enter DFS state. This way, TX
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+does not happen until the kernel notifies hostapd about the NOP
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+expiring.
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+
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+Signed-off-by: David Bauer <mail@david-bauer.net>
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+---
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+ src/ap/dfs.c | 11 +++++++++--
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+ 1 file changed, 9 insertions(+), 2 deletions(-)
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+
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+--- a/src/ap/dfs.c
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++++ b/src/ap/dfs.c
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+@@ -930,6 +930,8 @@ static int hostapd_dfs_start_channel_swi
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+ wpa_printf(MSG_INFO,
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+ "%s: no DFS channels left, waiting for NOP to finish",
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+ __func__);
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++ hostapd_disable_iface(iface);
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++ hostapd_enable_iface(iface);
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+ return err;
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+ }
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+
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