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12f12df569
Changelog: https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.55 Added the following default ksym to target/linux/generic/config-6.6: CONFIG_PROC_MEM_ALWAYS_FORCE=y # CONFIG_PROC_MEM_FORCE_PTRACE is not set # CONFIG_PROC_MEM_NO_FORCE is not set Removed upstreamed: generic/backport-6.6/780-23-v6.12-r8169-Fix-spelling-mistake-tx_underun-tx_underrun.patch[1] generic/backport-6.6/780-25-v6.12-r8169-add-tally-counter-fields-added-with-RTL8125.patch[2] generic/pending-6.6/684-gso-fix-gso-fraglist-segmentation-after-pull-from-fr.patch[3] lantiq/patches-6.6/0025-v6.12-net-ethernet-lantiq_etop-fix-memory-disclosure.patch[4] Manually rebased: bcm27xx/patches-6.6/950-0086-Main-bcm2708-bcm2709-linux-port.patch bcm27xx/patches-6.6/950-0998-i2c-designware-Add-support-for-bus-clear-feature.patch All other patches automatically rebased. 1. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v6.6.56&id=f02fcb7283b1c25f7e3ae07d7a2c830e06eb1a62 2. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v6.6.56&id=1c723d785adb711496bc64c24240f952f4faaabf 3. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v6.6.56&id=af3122f5fdc0d00581d6e598a668df6bf54c9daa 4. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v6.6.56&id=e66e38d07b31e177ca430758ed97fbc79f27d966 Build system: x86/64 Build-tested: x86/64/AMD Cezanne, flogic/xiaomi_redmi-router-ax6000-ubootmod, ramips/tplink_archer-a6-v3 Run-tested: x86/64/AMD Cezanne, flogic/xiaomi_redmi-router-ax6000-ubootmod, ramips/tplink_archer-a6-v3 Signed-off-by: John Audia <therealgraysky@proton.me> Link: https://github.com/openwrt/openwrt/pull/16655 Signed-off-by: Nick Hainke <vincent@systemli.org>
70 lines
2.4 KiB
Diff
70 lines
2.4 KiB
Diff
From: Jakub Sitnicki <jakub@cloudflare.com>
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Date: Thu, 8 Aug 2024 11:56:21 +0200
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Subject: [PATCH] net: Make USO depend on CSUM offload
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UDP segmentation offload inherently depends on checksum offload. It should
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not be possible to disable checksum offload while leaving USO enabled.
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Enforce this dependency in code.
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There is a single tx-udp-segmentation feature flag to indicate support for
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both IPv4/6, hence the devices wishing to support USO must offer checksum
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offload for both IP versions.
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Fixes: 10154dbded6d ("udp: Allow GSO transmit from devices with no checksum offload")
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Suggested-by: Willem de Bruijn <willemdebruijn.kernel@gmail.com>
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Signed-off-by: Jakub Sitnicki <jakub@cloudflare.com>
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Reviewed-by: Willem de Bruijn <willemb@google.com>
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Link: https://patch.msgid.link/20240808-udp-gso-egress-from-tunnel-v4-1-f5c5b4149ab9@cloudflare.com
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Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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---
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--- a/net/core/dev.c
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+++ b/net/core/dev.c
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@@ -9755,6 +9755,15 @@ static void netdev_sync_lower_features(s
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}
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}
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+static bool netdev_has_ip_or_hw_csum(netdev_features_t features)
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+{
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+ netdev_features_t ip_csum_mask = NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM;
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+ bool ip_csum = (features & ip_csum_mask) == ip_csum_mask;
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+ bool hw_csum = features & NETIF_F_HW_CSUM;
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+
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+ return ip_csum || hw_csum;
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+}
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+
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static netdev_features_t netdev_fix_features(struct net_device *dev,
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netdev_features_t features)
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{
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@@ -9836,15 +9845,9 @@ static netdev_features_t netdev_fix_feat
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features &= ~NETIF_F_LRO;
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}
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- if (features & NETIF_F_HW_TLS_TX) {
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- bool ip_csum = (features & (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM)) ==
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- (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM);
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- bool hw_csum = features & NETIF_F_HW_CSUM;
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-
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- if (!ip_csum && !hw_csum) {
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- netdev_dbg(dev, "Dropping TLS TX HW offload feature since no CSUM feature.\n");
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- features &= ~NETIF_F_HW_TLS_TX;
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- }
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+ if ((features & NETIF_F_HW_TLS_TX) && !netdev_has_ip_or_hw_csum(features)) {
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+ netdev_dbg(dev, "Dropping TLS TX HW offload feature since no CSUM feature.\n");
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+ features &= ~NETIF_F_HW_TLS_TX;
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}
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if ((features & NETIF_F_HW_TLS_RX) && !(features & NETIF_F_RXCSUM)) {
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@@ -9852,6 +9855,11 @@ static netdev_features_t netdev_fix_feat
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features &= ~NETIF_F_HW_TLS_RX;
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}
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+ if ((features & NETIF_F_GSO_UDP_L4) && !netdev_has_ip_or_hw_csum(features)) {
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+ netdev_dbg(dev, "Dropping USO feature since no CSUM feature.\n");
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+ features &= ~NETIF_F_GSO_UDP_L4;
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+ }
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+
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return features;
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}
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