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cfd42a0098
Similar to the lantiq platform, these are required for DSL support. Signed-off-by: Martin Schiller <ms.3headeddevs@gmail.com> [switch to kernel 5.10 and 5.15] Signed-off-by: Jan Hoffmann <jan@3e8.eu> [update patches based on UGW 8.5.2.10, remove 5.10 support] Signed-off-by: Andre Heider <a.heider@gmail.com>
138 lines
4.0 KiB
Diff
138 lines
4.0 KiB
Diff
From: Subhra Banerjee <subhrax.banerjee@intel.com>
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Date: Fri, 31 Aug 2018 12:01:19 +0530
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Subject: [PATCH] UGW_SW-29163: ATM oam support
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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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@@ -2952,6 +2952,22 @@ char *ppp_dev_name(struct ppp_channel *c
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return name;
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}
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+/*
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+ * Return the PPP device interface pointer
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+ */
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+struct net_device *ppp_device(struct ppp_channel *chan)
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+{
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+ struct channel *pch = chan->ppp;
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+ struct net_device *dev = NULL;
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+
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+ if (pch) {
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+ read_lock_bh(&pch->upl);
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+ if (pch->ppp && pch->ppp->dev)
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+ dev = pch->ppp->dev;
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+ read_unlock_bh(&pch->upl);
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+ }
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+ return dev;
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+}
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/*
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* Disconnect a channel from the generic layer.
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@@ -3598,6 +3614,7 @@ EXPORT_SYMBOL(ppp_unregister_channel);
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EXPORT_SYMBOL(ppp_channel_index);
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EXPORT_SYMBOL(ppp_unit_number);
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EXPORT_SYMBOL(ppp_dev_name);
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+EXPORT_SYMBOL(ppp_device);
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EXPORT_SYMBOL(ppp_input);
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EXPORT_SYMBOL(ppp_input_error);
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EXPORT_SYMBOL(ppp_output_wakeup);
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--- a/include/linux/ppp_channel.h
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+++ b/include/linux/ppp_channel.h
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@@ -74,6 +74,9 @@ extern int ppp_unit_number(struct ppp_ch
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/* Get the device name associated with a channel, or NULL if none */
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extern char *ppp_dev_name(struct ppp_channel *);
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+/* Get the device pointer associated with a channel, or NULL if none */
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+extern struct net_device *ppp_device(struct ppp_channel *);
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+
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/*
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* SMP locking notes:
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* The channel code must ensure that when it calls ppp_unregister_channel,
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--- a/net/atm/Kconfig
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+++ b/net/atm/Kconfig
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@@ -56,6 +56,12 @@ config ATM_MPOA
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subnetwork boundaries. These shortcut connections bypass routers
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enhancing overall network performance.
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+config ATM_MPOA_INTEL_DSL_PHY_SUPPORT
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+ bool "Intel DSL Phy MPOA support"
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+ depends on ATM && INET && ATM_MPOA!=n
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+ help
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+ Add support for Intel DSL Phy ATM MPOA
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+
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config ATM_BR2684
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tristate "RFC1483/2684 Bridged protocols"
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depends on ATM && INET
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--- a/net/atm/br2684.c
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+++ b/net/atm/br2684.c
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@@ -596,6 +596,11 @@ static int br2684_regvcc(struct atm_vcc
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atmvcc->push = br2684_push;
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atmvcc->pop = br2684_pop;
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atmvcc->release_cb = br2684_release_cb;
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+#if IS_ENABLED(CONFIG_ATM_MPOA_INTEL_DSL_PHY_SUPPORT)
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+ if (atm_hook_mpoa_setup) /* IPoA or EoA w/o FCS */
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+ atm_hook_mpoa_setup(atmvcc, brdev->payload == p_routed ? 3 : 0,
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+ brvcc->encaps == BR2684_ENCAPS_LLC ? 1 : 0, net_dev);
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+#endif
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atmvcc->owner = THIS_MODULE;
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/* initialize netdev carrier state */
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--- a/net/atm/common.c
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+++ b/net/atm/common.c
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@@ -137,6 +137,11 @@ static struct proto vcc_proto = {
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.release_cb = vcc_release_cb,
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};
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+#if IS_ENABLED(CONFIG_ATM_MPOA_INTEL_DSL_PHY_SUPPORT)
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+void (*atm_hook_mpoa_setup)(struct atm_vcc *, int, int, struct net_device *) = NULL;
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+EXPORT_SYMBOL(atm_hook_mpoa_setup);
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+#endif
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+
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int vcc_create(struct net *net, struct socket *sock, int protocol, int family, int kern)
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{
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struct sock *sk;
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--- a/net/atm/common.h
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+++ b/net/atm/common.h
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@@ -53,4 +53,6 @@ int svc_change_qos(struct atm_vcc *vcc,s
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void atm_dev_release_vccs(struct atm_dev *dev);
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+extern void (*atm_hook_mpoa_setup)(struct atm_vcc *, int, int, struct net_device *);
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+
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#endif
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--- a/net/atm/mpc.c
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+++ b/net/atm/mpc.c
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@@ -31,6 +31,7 @@
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/* Modular too */
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#include <linux/module.h>
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+#include "common.h"
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#include "lec.h"
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#include "mpc.h"
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#include "resources.h"
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@@ -645,6 +646,10 @@ static int atm_mpoa_vcc_attach(struct at
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vcc->proto_data = mpc->dev;
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vcc->push = mpc_push;
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+#if IS_ENABLED(CONFIG_ATM_MPOA_INTEL_DSL_PHY_SUPPORT)
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+ if (atm_hook_mpoa_setup) /* IPoA, LLC */
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+ atm_hook_mpoa_setup(vcc, 3, 1, mpc->dev);
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+#endif
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return 0;
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}
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--- a/net/atm/pppoatm.c
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+++ b/net/atm/pppoatm.c
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@@ -422,6 +422,12 @@ static int pppoatm_assign_vcc(struct atm
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atmvcc->user_back = pvcc;
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atmvcc->push = pppoatm_push;
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atmvcc->pop = pppoatm_pop;
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+#if IS_ENABLED(CONFIG_ATM_MPOA_INTEL_DSL_PHY_SUPPORT)
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+ if (atm_hook_mpoa_setup) /* PPPoA */
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+ atm_hook_mpoa_setup(atmvcc, 2,
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+ pvcc->encaps == e_llc ? 1 : 0,
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+ ppp_device(&pvcc->chan));
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+#endif
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atmvcc->release_cb = pppoatm_release_cb;
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__module_get(THIS_MODULE);
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atmvcc->owner = THIS_MODULE;
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