mirror of
https://github.com/openwrt/openwrt.git
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d59d69f9e1
Manually rebased:
backport-5.15/704-15-v5.19-net-mtk_eth_soc-move-MAC_MCR-setting-to-mac_finish.patch
Removed upstreamed:
backport-5.15/060-v6.0-01-tools-build-Add-feature-test-for-init_disassemble_in.patch[1]
backport-5.15/060-v6.0-02-tools-include-add-dis-asm-compat.h-to-handle-version.patch[2]
backport-5.15/060-v6.0-03-tools-perf-Fix-compilation-error-with-new-binutils.patch[3]
backport-5.15/060-v6.0-04-tools-bpf_jit_disasm-Fix-compilation-error-with-new-.patch[4]
backport-5.15/060-v6.0-05-tools-bpftool-Fix-compilation-error-with-new-binutil.patch[5]
pending-5.15/733-02-net-ethernet-mtk_eth_soc-fix-RX-data-corruption-issu.patch[6]
bcm47xx/patches-5.15/170-bgmac-fix-initial-chip-reset-to-support-BCM5358.patch[7]
All other patches automatically rebased.
1. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.15.103&id=51b99dc38c1a053e2e732d7f9e2740e343ae7eae
2. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.15.103&id=451c9d7b16169645ed291ebb2ca9844caa088f2d
3. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.15.103&id=97f005c0bdbaf656a7808586d234965385a06c58
4. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.15.103&id=1c27fab243333821375e4d63128d60093fdbe149
5. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.15.103&id=4441a90091931fd81607567961dc122f24f735bb
6. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.15.103&id=2adc29350a5b4669544566f71f208d2abaec60ab
7. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.15.103&id=04bfc5bcdfc0fdb73587487c71b04d63807ae15a
Build system: x86_64
Build-tested: bcm2711/RPi4B, ramips/tplink_archer-a6-v3, filogic/xiaomi_redmi-router-ax6000-ubootmod
Run-tested: bcm2711/RPi4B, ramips/tplink_archer-a6-v3, filogic/xiaomi_redmi-router-ax6000-ubootmod
Signed-off-by: John Audia <therealgraysky@proton.me>
46 lines
1.7 KiB
Diff
46 lines
1.7 KiB
Diff
From 65b91d9a2af917b88d5381cd6a3d7bc92723c0f6 Mon Sep 17 00:00:00 2001
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From: Joshua Emele <jemele@acm.org>
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Date: Wed, 7 Nov 2018 16:07:40 -0800
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Subject: [PATCH] lan78xx: Debounce link events to minimize poll storm
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The bInterval is set to 4 (i.e. 8 microframes => 1ms) and the only bit
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that the driver pays attention to is "link was reset". If there's a
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flapping status bit in that endpoint data, (such as if PHY negotiation
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needs a few tries to get a stable link) then polling at a slower rate
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would act as a de-bounce.
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See: https://github.com/raspberrypi/linux/issues/2447
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---
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drivers/net/usb/lan78xx.c | 13 ++++++++++++-
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1 file changed, 12 insertions(+), 1 deletion(-)
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--- a/drivers/net/usb/lan78xx.c
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+++ b/drivers/net/usb/lan78xx.c
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@@ -454,6 +454,11 @@ static bool enable_tso;
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module_param(enable_tso, bool, 0644);
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MODULE_PARM_DESC(enable_tso, "Enables TCP segmentation offload");
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+#define INT_URB_MICROFRAMES_PER_MS 8
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+static int int_urb_interval_ms = 8;
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+module_param(int_urb_interval_ms, int, 0);
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+MODULE_PARM_DESC(int_urb_interval_ms, "Override usb interrupt urb interval");
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+
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static int lan78xx_read_reg(struct lan78xx_net *dev, u32 index, u32 *data)
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{
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u32 *buf;
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@@ -4123,7 +4128,13 @@ static int lan78xx_probe(struct usb_inte
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netdev->max_mtu = MAX_SINGLE_PACKET_SIZE;
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netif_set_gso_max_size(netdev, MAX_SINGLE_PACKET_SIZE - MAX_HEADER);
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- period = ep_intr->desc.bInterval;
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+ if (int_urb_interval_ms <= 0)
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+ period = ep_intr->desc.bInterval;
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+ else
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+ period = int_urb_interval_ms * INT_URB_MICROFRAMES_PER_MS;
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+
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+ netif_notice(dev, probe, netdev, "int urb period %d\n", period);
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+
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maxp = usb_maxpacket(dev->udev, dev->pipe_intr, 0);
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buf = kmalloc(maxp, GFP_KERNEL);
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if (buf) {
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