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db9ba5cdb1
openwrt-ipq-breeze303/target/linux/qualcommax/patches-6.6/0600-2-qca-nss-ecm-support-PPPOE-offload.patch
Sean Khan db9ba5cdb1 ath11k_nss: Organize patch order and formatting 
NSS patches should always get applied last as to avoid fuzzing issues
with upstream patches.

Also cleanup patches that introduced spaces as indents vs. tabs

Signed-off-by: Sean Khan <datapronix@protonmail.com>

ath11k_nss: drop upstreamed patch

A variation of this patch 'wifi: mac80211: Use flexible array in struct ieee80211_tim_ie'
was upstreamed in commit 'e6e4d90b69027d74ba7e9a0a586b95a5714e10c0'.
Remove it to avoid compilation issues.

Signed-off-by: Sean Khan <datapronix@protonmail.com>

ath11k_nss: Fix patch conflict

Signed-off-by: Sean Khan <datapronix@protonmail.com>
2024-10-11 19:19:08 -04:00

601 lines
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--- a/drivers/net/ppp/ppp_generic.c
+++ b/drivers/net/ppp/ppp_generic.c
@@ -48,6 +48,7 @@
#include <net/slhc_vj.h>
#include <linux/atomic.h>
#include <linux/refcount.h>
+#include <linux/if_pppox.h>
#include <linux/nsproxy.h>
#include <net/net_namespace.h>
@@ -254,6 +255,25 @@ struct ppp_net {
#define seq_before(a, b) ((s32)((a) - (b)) < 0)
#define seq_after(a, b) ((s32)((a) - (b)) > 0)
+
+/*
+ * Registration/Unregistration methods
+ * for PPP channel connect and disconnect event notifications.
+ */
+RAW_NOTIFIER_HEAD(ppp_channel_connection_notifier_list);
+
+void ppp_channel_connection_register_notify(struct notifier_block *nb)
+{
+ raw_notifier_chain_register(&ppp_channel_connection_notifier_list, nb);
+}
+EXPORT_SYMBOL_GPL(ppp_channel_connection_register_notify);
+
+void ppp_channel_connection_unregister_notify(struct notifier_block *nb)
+{
+ raw_notifier_chain_unregister(&ppp_channel_connection_notifier_list, nb);
+}
+EXPORT_SYMBOL_GPL(ppp_channel_connection_unregister_notify);
+
/* Prototypes. */
static int ppp_unattached_ioctl(struct net *net, struct ppp_file *pf,
struct file *file, unsigned int cmd, unsigned long arg);
@@ -3453,7 +3473,10 @@ ppp_connect_channel(struct channel *pch,
struct ppp_net *pn;
int ret = -ENXIO;
int hdrlen;
+ int ppp_proto;
+ int version;
+ int notify = 0;
pn = ppp_pernet(pch->chan_net);
mutex_lock(&pn->all_ppp_mutex);
@@ -3485,13 +3508,40 @@ ppp_connect_channel(struct channel *pch,
++ppp->n_channels;
pch->ppp = ppp;
refcount_inc(&ppp->file.refcnt);
+
+ /* Set the netdev priv flag if the prototype
+ * is L2TP or PPTP. Return success in all cases
+ */
+ if (!pch->chan)
+ goto out2;
+
+ ppp_proto = ppp_channel_get_protocol(pch->chan);
+ if (ppp_proto == PX_PROTO_PPTP) {
+ ppp->dev->priv_flags_ext |= IFF_EXT_PPP_PPTP;
+ } else if (ppp_proto == PX_PROTO_OL2TP) {
+ version = ppp_channel_get_proto_version(pch->chan);
+ if (version == 2)
+ ppp->dev->priv_flags_ext |= IFF_EXT_PPP_L2TPV2;
+ else if (version == 3)
+ ppp->dev->priv_flags_ext |= IFF_EXT_PPP_L2TPV3;
+ }
+ notify = 1;
+
+ out2:
ppp_unlock(ppp);
ret = 0;
-
outl:
write_unlock_bh(&pch->upl);
out:
mutex_unlock(&pn->all_ppp_mutex);
+
+ if (notify && ppp && ppp->dev) {
+ dev_hold(ppp->dev);
+ raw_notifier_call_chain(&ppp_channel_connection_notifier_list,
+ PPP_CHANNEL_CONNECT, ppp->dev);
+ dev_put(ppp->dev);
+ }
+
return ret;
}
@@ -3509,6 +3559,13 @@ ppp_disconnect_channel(struct channel *p
pch->ppp = NULL;
write_unlock_bh(&pch->upl);
if (ppp) {
+ if (ppp->dev) {
+ dev_hold(ppp->dev);
+ raw_notifier_call_chain(&ppp_channel_connection_notifier_list,
+ PPP_CHANNEL_DISCONNECT, ppp->dev);
+ dev_put(ppp->dev);
+ }
+
/* remove it from the ppp unit's list */
ppp_lock(ppp);
list_del(&pch->clist);
@@ -3588,6 +3645,222 @@ static void *unit_find(struct idr *p, in
return idr_find(p, n);
}
+/* Updates the PPP interface statistics. */
+void ppp_update_stats(struct net_device *dev, unsigned long rx_packets,
+ unsigned long rx_bytes, unsigned long tx_packets,
+ unsigned long tx_bytes, unsigned long rx_errors,
+ unsigned long tx_errors, unsigned long rx_dropped,
+ unsigned long tx_dropped)
+{
+ struct ppp *ppp;
+
+ if (!dev)
+ return;
+
+ if (dev->type != ARPHRD_PPP)
+ return;
+
+ ppp = netdev_priv(dev);
+
+ ppp_xmit_lock(ppp);
+ ppp->stats64.tx_packets += tx_packets;
+ ppp->stats64.tx_bytes += tx_bytes;
+ ppp->dev->stats.tx_errors += tx_errors;
+ ppp->dev->stats.tx_dropped += tx_dropped;
+ if (tx_packets)
+ ppp->last_xmit = jiffies;
+ ppp_xmit_unlock(ppp);
+
+ ppp_recv_lock(ppp);
+ ppp->stats64.rx_packets += rx_packets;
+ ppp->stats64.rx_bytes += rx_bytes;
+ ppp->dev->stats.rx_errors += rx_errors;
+ ppp->dev->stats.rx_dropped += rx_dropped;
+ if (rx_packets)
+ ppp->last_recv = jiffies;
+ ppp_recv_unlock(ppp);
+}
+
+/* Returns >0 if the device is a multilink PPP netdevice, 0 if not or < 0 if
+ * the device is not PPP.
+ */
+int ppp_is_multilink(struct net_device *dev)
+{
+ struct ppp *ppp;
+ unsigned int flags;
+
+ if (!dev)
+ return -1;
+
+ if (dev->type != ARPHRD_PPP)
+ return -1;
+
+ ppp = netdev_priv(dev);
+ ppp_lock(ppp);
+ flags = ppp->flags;
+ ppp_unlock(ppp);
+
+ if (flags & SC_MULTILINK)
+ return 1;
+
+ return 0;
+}
+EXPORT_SYMBOL(ppp_is_multilink);
+
+/* ppp_channel_get_protocol()
+ * Call this to obtain the underlying protocol of the PPP channel,
+ * e.g. PX_PROTO_OE
+ *
+ * NOTE: Some channels do not use PX sockets so the protocol value may be very
+ * different for them.
+ * NOTE: -1 indicates failure.
+ * NOTE: Once you know the channel protocol you may then either cast 'chan' to
+ * its sub-class or use the channel protocol specific API's as provided by that
+ * channel sub type.
+ */
+int ppp_channel_get_protocol(struct ppp_channel *chan)
+{
+ if (!chan->ops->get_channel_protocol)
+ return -1;
+
+ return chan->ops->get_channel_protocol(chan);
+}
+EXPORT_SYMBOL(ppp_channel_get_protocol);
+
+/* ppp_channel_get_proto_version()
+ * Call this to get channel protocol version
+ */
+int ppp_channel_get_proto_version(struct ppp_channel *chan)
+{
+ if (!chan->ops->get_channel_protocol_ver)
+ return -1;
+
+ return chan->ops->get_channel_protocol_ver(chan);
+}
+EXPORT_SYMBOL(ppp_channel_get_proto_version);
+
+/* ppp_channel_hold()
+ * Call this to hold a channel.
+ *
+ * Returns true on success or false if the hold could not happen.
+ *
+ * NOTE: chan must be protected against destruction during this call -
+ * either by correct locking etc. or because you already have an implicit
+ * or explicit hold to the channel already and this is an additional hold.
+ */
+bool ppp_channel_hold(struct ppp_channel *chan)
+{
+ if (!chan->ops->hold)
+ return false;
+
+ chan->ops->hold(chan);
+ return true;
+}
+EXPORT_SYMBOL(ppp_channel_hold);
+
+/* ppp_channel_release()
+ * Call this to release a hold you have upon a channel
+ */
+void ppp_channel_release(struct ppp_channel *chan)
+{
+ chan->ops->release(chan);
+}
+EXPORT_SYMBOL(ppp_channel_release);
+
+/* Check if ppp xmit lock is on hold */
+bool ppp_is_xmit_locked(struct net_device *dev)
+{
+ struct ppp *ppp;
+
+ if (!dev)
+ return false;
+
+ if (dev->type != ARPHRD_PPP)
+ return false;
+
+ ppp = netdev_priv(dev);
+ if (!ppp)
+ return false;
+
+ if (spin_is_locked(&(ppp)->wlock))
+ return true;
+
+ return false;
+}
+EXPORT_SYMBOL(ppp_is_xmit_locked);
+
+/* ppp_hold_channels()
+ * Returns the PPP channels of the PPP device, storing each one into
+ * channels[].
+ *
+ * channels[] has chan_sz elements.
+ * This function returns the number of channels stored, up to chan_sz.
+ * It will return < 0 if the device is not PPP.
+ *
+ * You MUST release the channels using ppp_release_channels().
+ */
+int ppp_hold_channels(struct net_device *dev, struct ppp_channel *channels[],
+ unsigned int chan_sz)
+{
+ struct ppp *ppp;
+ int c;
+ struct channel *pch;
+
+ if (!dev)
+ return -1;
+
+ if (dev->type != ARPHRD_PPP)
+ return -1;
+
+ ppp = netdev_priv(dev);
+
+ c = 0;
+ ppp_lock(ppp);
+ list_for_each_entry(pch, &ppp->channels, clist) {
+ struct ppp_channel *chan;
+
+ if (!pch->chan) {
+ /* Channel is going / gone away */
+ continue;
+ }
+
+ if (c == chan_sz) {
+ /* No space to record channel */
+ ppp_unlock(ppp);
+ return c;
+ }
+
+ /* Hold the channel, if supported */
+ chan = pch->chan;
+ if (!chan->ops->hold)
+ continue;
+
+ chan->ops->hold(chan);
+
+ /* Record the channel */
+ channels[c++] = chan;
+ }
+ ppp_unlock(ppp);
+ return c;
+}
+EXPORT_SYMBOL(ppp_hold_channels);
+
+/* ppp_release_channels()
+ * Releases channels
+ */
+void ppp_release_channels(struct ppp_channel *channels[], unsigned int chan_sz)
+{
+ unsigned int c;
+
+ for (c = 0; c < chan_sz; ++c) {
+ struct ppp_channel *chan;
+
+ chan = channels[c];
+ chan->ops->release(chan);
+ }
+}
+EXPORT_SYMBOL(ppp_release_channels);
+
/* Module/initialization stuff */
module_init(ppp_init);
@@ -3604,6 +3877,7 @@ EXPORT_SYMBOL(ppp_input_error);
EXPORT_SYMBOL(ppp_output_wakeup);
EXPORT_SYMBOL(ppp_register_compressor);
EXPORT_SYMBOL(ppp_unregister_compressor);
+EXPORT_SYMBOL(ppp_update_stats);
MODULE_LICENSE("GPL");
MODULE_ALIAS_CHARDEV(PPP_MAJOR, 0);
MODULE_ALIAS_RTNL_LINK("ppp");
--- a/drivers/net/ppp/pppoe.c
+++ b/drivers/net/ppp/pppoe.c
@@ -62,6 +62,7 @@
#include <linux/inetdevice.h>
#include <linux/etherdevice.h>
#include <linux/skbuff.h>
+#include <linux/if_arp.h>
#include <linux/init.h>
#include <linux/if_ether.h>
#include <linux/if_pppox.h>
@@ -87,7 +88,7 @@
static int __pppoe_xmit(struct sock *sk, struct sk_buff *skb);
static const struct proto_ops pppoe_ops;
-static const struct ppp_channel_ops pppoe_chan_ops;
+static const struct pppoe_channel_ops pppoe_chan_ops;
/* per-net private data for this module */
static unsigned int pppoe_net_id __read_mostly;
@@ -692,7 +693,7 @@ static int pppoe_connect(struct socket *
po->chan.mtu = dev->mtu - sizeof(struct pppoe_hdr) - 2;
po->chan.private = sk;
- po->chan.ops = &pppoe_chan_ops;
+ po->chan.ops = (struct ppp_channel_ops *)&pppoe_chan_ops;
error = ppp_register_net_channel(dev_net(dev), &po->chan);
if (error) {
@@ -995,9 +996,80 @@ static int pppoe_fill_forward_path(struc
return 0;
}
-static const struct ppp_channel_ops pppoe_chan_ops = {
- .start_xmit = pppoe_xmit,
- .fill_forward_path = pppoe_fill_forward_path,
+/************************************************************************
+ *
+ * function called by generic PPP driver to hold channel
+ *
+ ***********************************************************************/
+static void pppoe_hold_chan(struct ppp_channel *chan)
+{
+ struct sock *sk = (struct sock *)chan->private;
+
+ sock_hold(sk);
+}
+
+/************************************************************************
+ *
+ * function called by generic PPP driver to release channel
+ *
+ ***********************************************************************/
+static void pppoe_release_chan(struct ppp_channel *chan)
+{
+ struct sock *sk = (struct sock *)chan->private;
+
+ sock_put(sk);
+}
+
+/************************************************************************
+ *
+ * function called to get the channel protocol type
+ *
+ ***********************************************************************/
+static int pppoe_get_channel_protocol(struct ppp_channel *chan)
+{
+ return PX_PROTO_OE;
+}
+
+/************************************************************************
+ *
+ * function called to get the PPPoE channel addressing
+ * NOTE: This function returns a HOLD to the netdevice
+ *
+ ***********************************************************************/
+static int pppoe_get_addressing(struct ppp_channel *chan,
+ struct pppoe_opt *addressing)
+{
+ struct sock *sk = (struct sock *)chan->private;
+ struct pppox_sock *po = pppox_sk(sk);
+ int err = 0;
+
+ *addressing = po->proto.pppoe;
+ if (!addressing->dev)
+ return -ENODEV;
+
+ dev_hold(addressing->dev);
+ return err;
+}
+
+/* pppoe_channel_addressing_get()
+ * Return PPPoE channel specific addressing information.
+ */
+int pppoe_channel_addressing_get(struct ppp_channel *chan,
+ struct pppoe_opt *addressing)
+{
+ return pppoe_get_addressing(chan, addressing);
+}
+EXPORT_SYMBOL(pppoe_channel_addressing_get);
+
+static const struct pppoe_channel_ops pppoe_chan_ops = {
+ /* PPPoE specific channel ops */
+ .get_addressing = pppoe_get_addressing,
+ /* General ppp channel ops */
+ .ops.start_xmit = pppoe_xmit,
+ .ops.get_channel_protocol = pppoe_get_channel_protocol,
+ .ops.hold = pppoe_hold_chan,
+ .ops.release = pppoe_release_chan,
+ .ops.fill_forward_path = pppoe_fill_forward_path,
};
static int pppoe_recvmsg(struct socket *sock, struct msghdr *m,
--- a/include/linux/if_pppox.h
+++ b/include/linux/if_pppox.h
@@ -91,4 +91,17 @@ enum {
PPPOX_DEAD = 16 /* dead, useless, please clean me up!*/
};
+/*
+ * PPPoE Channel specific operations
+ */
+struct pppoe_channel_ops {
+ /* Must be first - general to all PPP channels */
+ struct ppp_channel_ops ops;
+ int (*get_addressing)(struct ppp_channel *, struct pppoe_opt *);
+};
+
+/* Return PPPoE channel specific addressing information */
+extern int pppoe_channel_addressing_get(struct ppp_channel *chan,
+ struct pppoe_opt *addressing);
+
#endif /* !(__LINUX_IF_PPPOX_H) */
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1761,6 +1761,36 @@ enum netdev_priv_flags {
IFF_NO_IP_ALIGN = BIT_ULL(34),
};
+/**
+ * enum netdev_priv_flags_ext - &struct net_device priv_flags_ext
+ *
+ * These flags are used to check for device type and can be
+ * set and used by the drivers
+ *
+ * @IFF_EXT_TUN_TAP: device is a TUN/TAP device
+ * @IFF_EXT_PPP_L2TPV2: device is a L2TPV2 device
+ * @IFF_EXT_PPP_L2TPV3: device is a L2TPV3 device
+ * @IFF_EXT_PPP_PPTP: device is a PPTP device
+ * @IFF_EXT_GRE_V4_TAP: device is a GRE IPv4 TAP device
+ * @IFF_EXT_GRE_V6_TAP: device is a GRE IPv6 TAP device
+ * @IFF_EXT_IFB: device is an IFB device
+ * @IFF_EXT_MAPT: device is an MAPT device
+ * @IFF_EXT_HW_NO_OFFLOAD: device is an NON Offload device
+ * @IFF_EXT_L2TPV3: device is a L2TPV3 Ethernet device
+ */
+enum netdev_priv_flags_ext {
+ IFF_EXT_TUN_TAP = 1<<0,
+ IFF_EXT_PPP_L2TPV2 = 1<<1,
+ IFF_EXT_PPP_L2TPV3 = 1<<2,
+ IFF_EXT_PPP_PPTP = 1<<3,
+ IFF_EXT_GRE_V4_TAP = 1<<4,
+ IFF_EXT_GRE_V6_TAP = 1<<5,
+ IFF_EXT_IFB = 1<<6,
+ IFF_EXT_MAPT = 1<<7,
+ IFF_EXT_HW_NO_OFFLOAD = 1<<8,
+ IFF_EXT_ETH_L2TPV3 = 1<<9,
+};
+
#define IFF_802_1Q_VLAN IFF_802_1Q_VLAN
#define IFF_EBRIDGE IFF_EBRIDGE
#define IFF_BONDING IFF_BONDING
@@ -2126,6 +2156,7 @@ struct net_device {
unsigned int flags;
xdp_features_t xdp_features;
unsigned long long priv_flags;
+ unsigned int priv_flags_ext;
const struct net_device_ops *netdev_ops;
const struct xdp_metadata_ops *xdp_metadata_ops;
int ifindex;
--- a/include/linux/ppp_channel.h
+++ b/include/linux/ppp_channel.h
@@ -19,6 +19,10 @@
#include <linux/skbuff.h>
#include <linux/poll.h>
#include <net/net_namespace.h>
+#include <linux/notifier.h>
+
+#define PPP_CHANNEL_DISCONNECT 0
+#define PPP_CHANNEL_CONNECT 1
struct net_device_path;
struct net_device_path_ctx;
@@ -30,9 +34,19 @@ struct ppp_channel_ops {
int (*start_xmit)(struct ppp_channel *, struct sk_buff *);
/* Handle an ioctl call that has come in via /dev/ppp. */
int (*ioctl)(struct ppp_channel *, unsigned int, unsigned long);
+ /* Get channel protocol type, one of PX_PROTO_XYZ or specific to
+ * the channel subtype
+ */
+ int (*get_channel_protocol)(struct ppp_channel *);
+ /* Get channel protocol version */
+ int (*get_channel_protocol_ver)(struct ppp_channel *);
+ /* Hold the channel from being destroyed */
+ void (*hold)(struct ppp_channel *);
+ /* Release hold on the channel */
+ void (*release)(struct ppp_channel *);
int (*fill_forward_path)(struct net_device_path_ctx *,
- struct net_device_path *,
- const struct ppp_channel *);
+ struct net_device_path *,
+ const struct ppp_channel *);
};
struct ppp_channel {
@@ -76,6 +90,51 @@ 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 *);
+/* Call this to obtain the underlying protocol of the PPP channel,
+ * e.g. PX_PROTO_OE
+ */
+extern int ppp_channel_get_protocol(struct ppp_channel *);
+
+/* Call this get protocol version */
+extern int ppp_channel_get_proto_version(struct ppp_channel *);
+
+/* Call this to hold a channel */
+extern bool ppp_channel_hold(struct ppp_channel *);
+
+/* Call this to release a hold you have upon a channel */
+extern void ppp_channel_release(struct ppp_channel *);
+
+/* Release hold on PPP channels */
+extern void ppp_release_channels(struct ppp_channel *channels[],
+ unsigned int chan_sz);
+
+/* Hold PPP channels for the PPP device */
+extern int ppp_hold_channels(struct net_device *dev,
+ struct ppp_channel *channels[],
+ unsigned int chan_sz);
+
+/* Test if ppp xmit lock is locked */
+extern bool ppp_is_xmit_locked(struct net_device *dev);
+
+/* Test if the ppp device is a multi-link ppp device */
+extern int ppp_is_multilink(struct net_device *dev);
+
+/* Register the PPP channel connect notifier */
+extern void ppp_channel_connection_register_notify(struct notifier_block *nb);
+
+/* Unregister the PPP channel connect notifier */
+extern void ppp_channel_connection_unregister_notify(struct notifier_block *nb);
+
+/* Update statistics of the PPP net_device by incrementing related
+ * statistics field value with corresponding parameter
+ */
+extern void ppp_update_stats(struct net_device *dev, unsigned long rx_packets,
+ unsigned long rx_bytes, unsigned long tx_packets,
+ unsigned long tx_bytes, unsigned long rx_errors,
+ unsigned long tx_errors, unsigned long rx_dropped,
+ unsigned long tx_dropped);
+
+
/*
* SMP locking notes:
* The channel code must ensure that when it calls ppp_unregister_channel,
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