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65 lines
2.0 KiB
Diff
65 lines
2.0 KiB
Diff
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From: Lorenzo Bianconi <lorenzo@kernel.org>
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Date: Fri, 22 Jul 2022 09:06:19 +0200
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Subject: [PATCH] net: ethernet: mtk-ppe: fix traffic offload with bridged wlan
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A typical flow offload scenario for OpenWrt users is routed traffic
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received by the wan interface that is redirected to a wlan device
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belonging to the lan bridge. Current implementation fails to
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fill wdma offload info in mtk_flow_get_wdma_info() since odev device is
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the local bridge. Fix the issue running dev_fill_forward_path routine in
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mtk_flow_get_wdma_info in order to identify the wlan device.
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Tested-by: Paolo Valerio <pvalerio@redhat.com>
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Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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---
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--- a/drivers/net/ethernet/mediatek/mtk_ppe_offload.c
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+++ b/drivers/net/ethernet/mediatek/mtk_ppe_offload.c
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@@ -88,32 +88,28 @@ mtk_flow_offload_mangle_eth(const struct
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static int
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mtk_flow_get_wdma_info(struct net_device *dev, const u8 *addr, struct mtk_wdma_info *info)
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{
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- struct net_device_path_ctx ctx = {
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- .dev = dev,
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- };
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- struct net_device_path path = {};
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+ struct net_device_path_stack stack;
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+ struct net_device_path *path;
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+ int err;
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- if (!ctx.dev)
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+ if (!dev)
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return -ENODEV;
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- memcpy(ctx.daddr, addr, sizeof(ctx.daddr));
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-
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if (!IS_ENABLED(CONFIG_NET_MEDIATEK_SOC_WED))
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return -1;
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- if (!dev->netdev_ops->ndo_fill_forward_path)
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- return -1;
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-
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- if (dev->netdev_ops->ndo_fill_forward_path(&ctx, &path))
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- return -1;
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+ err = dev_fill_forward_path(dev, addr, &stack);
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+ if (err)
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+ return err;
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- if (path.type != DEV_PATH_MTK_WDMA)
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+ path = &stack.path[stack.num_paths - 1];
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+ if (path->type != DEV_PATH_MTK_WDMA)
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return -1;
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- info->wdma_idx = path.mtk_wdma.wdma_idx;
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- info->queue = path.mtk_wdma.queue;
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- info->bss = path.mtk_wdma.bss;
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- info->wcid = path.mtk_wdma.wcid;
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+ info->wdma_idx = path->mtk_wdma.wdma_idx;
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+ info->queue = path->mtk_wdma.queue;
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+ info->bss = path->mtk_wdma.bss;
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+ info->wcid = path->mtk_wdma.wcid;
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return 0;
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}
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