diff options
Diffstat (limited to 'target/linux/ipq40xx/patches-5.15/999-atm-mpoa-intel-dsl-phy-support.patch')
| -rw-r--r-- | target/linux/ipq40xx/patches-5.15/999-atm-mpoa-intel-dsl-phy-support.patch | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/target/linux/ipq40xx/patches-5.15/999-atm-mpoa-intel-dsl-phy-support.patch b/target/linux/ipq40xx/patches-5.15/999-atm-mpoa-intel-dsl-phy-support.patch new file mode 100644 index 0000000000..b774fc39d8 --- /dev/null +++ b/target/linux/ipq40xx/patches-5.15/999-atm-mpoa-intel-dsl-phy-support.patch @@ -0,0 +1,137 @@ +From: Subhra Banerjee <subhrax.banerjee@intel.com> +Date: Fri, 31 Aug 2018 12:01:19 +0530 +Subject: [PATCH] UGW_SW-29163: ATM oam support + +--- a/drivers/net/ppp/ppp_generic.c ++++ b/drivers/net/ppp/ppp_generic.c +@@ -2952,6 +2952,22 @@ char *ppp_dev_name(struct ppp_channel *c + return name; + } + ++/* ++ * Return the PPP device interface pointer ++ */ ++struct net_device *ppp_device(struct ppp_channel *chan) ++{ ++ struct channel *pch = chan->ppp; ++ struct net_device *dev = NULL; ++ ++ if (pch) { ++ read_lock_bh(&pch->upl); ++ if (pch->ppp && pch->ppp->dev) ++ dev = pch->ppp->dev; ++ read_unlock_bh(&pch->upl); ++ } ++ return dev; ++} + + /* + * Disconnect a channel from the generic layer. +@@ -3598,6 +3614,7 @@ EXPORT_SYMBOL(ppp_unregister_channel); + EXPORT_SYMBOL(ppp_channel_index); + EXPORT_SYMBOL(ppp_unit_number); + EXPORT_SYMBOL(ppp_dev_name); ++EXPORT_SYMBOL(ppp_device); + EXPORT_SYMBOL(ppp_input); + EXPORT_SYMBOL(ppp_input_error); + EXPORT_SYMBOL(ppp_output_wakeup); +--- a/include/linux/ppp_channel.h ++++ b/include/linux/ppp_channel.h +@@ -74,6 +74,9 @@ extern int ppp_unit_number(struct ppp_ch + /* Get the device name associated with a channel, or NULL if none */ + extern char *ppp_dev_name(struct ppp_channel *); + ++/* Get the device pointer associated with a channel, or NULL if none */ ++extern struct net_device *ppp_device(struct ppp_channel *); ++ + /* + * SMP locking notes: + * The channel code must ensure that when it calls ppp_unregister_channel, +--- a/net/atm/Kconfig ++++ b/net/atm/Kconfig +@@ -56,6 +56,12 @@ config ATM_MPOA + subnetwork boundaries. These shortcut connections bypass routers + enhancing overall network performance. + ++config ATM_MPOA_INTEL_DSL_PHY_SUPPORT ++ bool "Intel DSL Phy MPOA support" ++ depends on ATM && INET && ATM_MPOA!=n ++ help ++ Add support for Intel DSL Phy ATM MPOA ++ + config ATM_BR2684 + tristate "RFC1483/2684 Bridged protocols" + depends on ATM && INET +--- a/net/atm/br2684.c ++++ b/net/atm/br2684.c +@@ -596,6 +596,11 @@ static int br2684_regvcc(struct atm_vcc + atmvcc->push = br2684_push; + atmvcc->pop = br2684_pop; + atmvcc->release_cb = br2684_release_cb; ++#if IS_ENABLED(CONFIG_ATM_MPOA_INTEL_DSL_PHY_SUPPORT) ++ if (atm_hook_mpoa_setup) /* IPoA or EoA w/o FCS */ ++ atm_hook_mpoa_setup(atmvcc, brdev->payload == p_routed ? 3 : 0, ++ brvcc->encaps == BR2684_ENCAPS_LLC ? 1 : 0, net_dev); ++#endif + atmvcc->owner = THIS_MODULE; + + /* initialize netdev carrier state */ +--- a/net/atm/common.c ++++ b/net/atm/common.c +@@ -137,6 +137,11 @@ static struct proto vcc_proto = { + .release_cb = vcc_release_cb, + }; + ++#if IS_ENABLED(CONFIG_ATM_MPOA_INTEL_DSL_PHY_SUPPORT) ++void (*atm_hook_mpoa_setup)(struct atm_vcc *, int, int, struct net_device *) = NULL; ++EXPORT_SYMBOL(atm_hook_mpoa_setup); ++#endif ++ + int vcc_create(struct net *net, struct socket *sock, int protocol, int family, int kern) + { + struct sock *sk; +--- a/net/atm/common.h ++++ b/net/atm/common.h +@@ -53,4 +53,6 @@ int svc_change_qos(struct atm_vcc *vcc,s + + void atm_dev_release_vccs(struct atm_dev *dev); + ++extern void (*atm_hook_mpoa_setup)(struct atm_vcc *, int, int, struct net_device *); ++ + #endif +--- a/net/atm/mpc.c ++++ b/net/atm/mpc.c +@@ -31,6 +31,7 @@ + /* Modular too */ + #include <linux/module.h> + ++#include "common.h" + #include "lec.h" + #include "mpc.h" + #include "resources.h" +@@ -645,6 +646,10 @@ static int atm_mpoa_vcc_attach(struct at + vcc->proto_data = mpc->dev; + vcc->push = mpc_push; + ++#if IS_ENABLED(CONFIG_ATM_MPOA_INTEL_DSL_PHY_SUPPORT) ++ if (atm_hook_mpoa_setup) /* IPoA, LLC */ ++ atm_hook_mpoa_setup(vcc, 3, 1, mpc->dev); ++#endif + return 0; + } + +--- a/net/atm/pppoatm.c ++++ b/net/atm/pppoatm.c +@@ -422,6 +422,12 @@ static int pppoatm_assign_vcc(struct atm + atmvcc->user_back = pvcc; + atmvcc->push = pppoatm_push; + atmvcc->pop = pppoatm_pop; ++#if IS_ENABLED(CONFIG_ATM_MPOA_INTEL_DSL_PHY_SUPPORT) ++ if (atm_hook_mpoa_setup) /* PPPoA */ ++ atm_hook_mpoa_setup(atmvcc, 2, ++ pvcc->encaps == e_llc ? 1 : 0, ++ ppp_device(&pvcc->chan)); ++#endif + atmvcc->release_cb = pppoatm_release_cb; + __module_get(THIS_MODULE); + atmvcc->owner = THIS_MODULE; |