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Deleted (upstreamed): bcm27xx/patches-5.10/950-0669-drm-vc4-hdmi-Make-sure-the-device-is-powered-with-CE.patch [1] bcm27xx/patches-5.10/950-0672-drm-vc4-hdmi-Move-initial-register-read-after-pm_run.patch [1] gemini/patches-5.10/0003-ARM-dts-gemini-NAS4220-B-fis-index-block-with-128-Ki.patch [2] Manually rebased: bcm27xx/patches-5.10/950-0675-drm-vc4-hdmi-Drop-devm-interrupt-handler-for-CEC-int.patch Manually reverted: generic/pending-5.10/860-Revert-ASoC-mediatek-Check-for-error-clk-pointer.patch [3] [1] https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.10.94&id=55b10b88ac8654fc2f31518aa349a2e643b37f18 [2] https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.10.94&id=958a8819d41420d7a74ed922a09cacc0ba3a4218 [3] https://lore.kernel.org/all/trinity-2a727d96-0335-4d03-8f30-e22a0e10112d-1643363480085@3c-app-gmx-bap33/ Signed-off-by: Rui Salvaterra <rsalvaterra@gmail.com> Signed-off-by: Daniel Golle <daniel@makrotopia.org>
114 lines
3.1 KiB
Diff
114 lines
3.1 KiB
Diff
From: Felix Fietkau <nbd@nbd.name>
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Date: Wed, 24 Mar 2021 02:30:36 +0100
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Subject: [PATCH] net: ppp: resolve forwarding path for bridge pppoe
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devices
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Pass on the PPPoE session ID, destination hardware address and the real
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device.
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Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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---
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--- a/drivers/net/ppp/ppp_generic.c
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+++ b/drivers/net/ppp/ppp_generic.c
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@@ -1466,12 +1466,34 @@ static void ppp_dev_priv_destructor(stru
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ppp_destroy_interface(ppp);
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}
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+static int ppp_fill_forward_path(struct net_device_path_ctx *ctx,
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+ struct net_device_path *path)
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+{
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+ struct ppp *ppp = netdev_priv(ctx->dev);
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+ struct ppp_channel *chan;
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+ struct channel *pch;
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+
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+ if (ppp->flags & SC_MULTILINK)
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+ return -EOPNOTSUPP;
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+
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+ if (list_empty(&ppp->channels))
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+ return -ENODEV;
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+
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+ pch = list_first_entry(&ppp->channels, struct channel, clist);
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+ chan = pch->chan;
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+ if (!chan->ops->fill_forward_path)
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+ return -EOPNOTSUPP;
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+
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+ return chan->ops->fill_forward_path(ctx, path, chan);
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+}
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+
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static const struct net_device_ops ppp_netdev_ops = {
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.ndo_init = ppp_dev_init,
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.ndo_uninit = ppp_dev_uninit,
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.ndo_start_xmit = ppp_start_xmit,
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.ndo_do_ioctl = ppp_net_ioctl,
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.ndo_get_stats64 = ppp_get_stats64,
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+ .ndo_fill_forward_path = ppp_fill_forward_path,
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};
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static struct device_type ppp_type = {
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--- a/drivers/net/ppp/pppoe.c
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+++ b/drivers/net/ppp/pppoe.c
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@@ -972,8 +972,31 @@ static int pppoe_xmit(struct ppp_channel
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return __pppoe_xmit(sk, skb);
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}
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+static int pppoe_fill_forward_path(struct net_device_path_ctx *ctx,
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+ struct net_device_path *path,
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+ const struct ppp_channel *chan)
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+{
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+ struct sock *sk = (struct sock *)chan->private;
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+ struct pppox_sock *po = pppox_sk(sk);
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+ struct net_device *dev = po->pppoe_dev;
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+
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+ if (sock_flag(sk, SOCK_DEAD) ||
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+ !(sk->sk_state & PPPOX_CONNECTED) || !dev)
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+ return -1;
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+
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+ path->type = DEV_PATH_PPPOE;
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+ path->encap.proto = htons(ETH_P_PPP_SES);
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+ path->encap.id = be16_to_cpu(po->num);
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+ memcpy(path->encap.h_dest, po->pppoe_pa.remote, ETH_ALEN);
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+ path->dev = ctx->dev;
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+ ctx->dev = dev;
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+
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+ return 0;
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+}
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+
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static const struct ppp_channel_ops pppoe_chan_ops = {
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.start_xmit = pppoe_xmit,
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+ .fill_forward_path = pppoe_fill_forward_path,
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};
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static int pppoe_recvmsg(struct socket *sock, struct msghdr *m,
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--- a/include/linux/netdevice.h
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+++ b/include/linux/netdevice.h
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@@ -831,6 +831,7 @@ enum net_device_path_type {
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DEV_PATH_ETHERNET = 0,
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DEV_PATH_VLAN,
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DEV_PATH_BRIDGE,
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+ DEV_PATH_PPPOE,
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};
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struct net_device_path {
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@@ -840,6 +841,7 @@ struct net_device_path {
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struct {
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u16 id;
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__be16 proto;
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+ u8 h_dest[ETH_ALEN];
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} encap;
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struct {
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enum {
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--- a/include/linux/ppp_channel.h
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+++ b/include/linux/ppp_channel.h
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@@ -28,6 +28,9 @@ struct ppp_channel_ops {
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int (*start_xmit)(struct ppp_channel *, struct sk_buff *);
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/* Handle an ioctl call that has come in via /dev/ppp. */
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int (*ioctl)(struct ppp_channel *, unsigned int, unsigned long);
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+ int (*fill_forward_path)(struct net_device_path_ctx *,
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+ struct net_device_path *,
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+ const struct ppp_channel *);
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};
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struct ppp_channel {
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