mirror of
https://github.com/coolsnowwolf/lede.git
synced 2025-04-16 04:13:31 +00:00
99 lines
3.0 KiB
Diff
99 lines
3.0 KiB
Diff
--- a/include/linux/ppp_channel.h
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+++ b/include/linux/ppp_channel.h
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@@ -135,5 +135,17 @@ extern void ppp_update_stats(struct net_
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extern int ppp_dev_index(struct ppp_channel *);
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/* QCA NSS ECM Support - End */
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+/* QCA NSS Clients Support - Start */
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+/* PPP channel connection event types */
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+#define PPP_CHANNEL_DISCONNECT 0
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+#define PPP_CHANNEL_CONNECT 1
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+
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+/* Register the PPP channel connect notifier */
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+extern void ppp_channel_connection_register_notify(struct notifier_block *nb);
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+
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+/* Unregister the PPP channel connect notifier */
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+extern void ppp_channel_connection_unregister_notify(struct notifier_block *nb);
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+/* QCA NSS Clients Support - End */
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+
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#endif /* __KERNEL__ */
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#endif
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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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@@ -274,6 +274,26 @@ struct ppp_net {
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#define seq_before(a, b) ((s32)((a) - (b)) < 0)
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#define seq_after(a, b) ((s32)((a) - (b)) > 0)
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+/* QCA NSS Client Support - Start */
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+/*
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+ * Registration/Unregistration methods
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+ * for PPP channel connect and disconnect event notifications.
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+ */
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+RAW_NOTIFIER_HEAD(ppp_channel_connection_notifier_list);
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+
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+void ppp_channel_connection_register_notify(struct notifier_block *nb)
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+{
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+ raw_notifier_chain_register(&ppp_channel_connection_notifier_list, nb);
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+}
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+EXPORT_SYMBOL_GPL(ppp_channel_connection_register_notify);
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+
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+void ppp_channel_connection_unregister_notify(struct notifier_block *nb)
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+{
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+ raw_notifier_chain_unregister(&ppp_channel_connection_notifier_list, nb);
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+}
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+EXPORT_SYMBOL_GPL(ppp_channel_connection_unregister_notify);
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+/* QCA NSS Client Support - End */
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+
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/* Prototypes. */
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static int ppp_unattached_ioctl(struct net *net, struct ppp_file *pf,
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struct file *file, unsigned int cmd, unsigned long arg);
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@@ -3244,6 +3264,7 @@ ppp_connect_channel(struct channel *pch,
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int ppp_proto;
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int version;
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/* QCA NSS ECM Support - End */
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+ int notify = 0; /* QCA NSS Client Support */
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pn = ppp_pernet(pch->chan_net);
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@@ -3294,6 +3315,8 @@ ppp_connect_channel(struct channel *pch,
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ppp->dev->priv_flags_qca_ecm |= IFF_QCA_ECM_PPP_L2TPV3;
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}
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/* QCA NSS ECM support - End */
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+
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+ notify = 1; /* QCA NSS Clients Support */
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out2:
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ppp_unlock(ppp);
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ret = 0;
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@@ -3302,6 +3325,16 @@ ppp_connect_channel(struct channel *pch,
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write_unlock_bh(&pch->upl);
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out:
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mutex_unlock(&pn->all_ppp_mutex);
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+
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+ /* QCA NSS Clients Support - Start */
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+ if (notify && ppp && ppp->dev) {
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+ dev_hold(ppp->dev);
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+ raw_notifier_call_chain(&ppp_channel_connection_notifier_list,
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+ PPP_CHANNEL_CONNECT, ppp->dev);
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+ dev_put(ppp->dev);
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+ }
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+ /* QCA NSS Clients Support - End */
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+
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return ret;
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}
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@@ -3319,6 +3352,15 @@ ppp_disconnect_channel(struct channel *p
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pch->ppp = NULL;
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write_unlock_bh(&pch->upl);
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if (ppp) {
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+ /* QCA NSS Clients Support - Start */
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+ if (ppp->dev) {
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+ dev_hold(ppp->dev);
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+ raw_notifier_call_chain(&ppp_channel_connection_notifier_list,
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+ PPP_CHANNEL_DISCONNECT, ppp->dev);
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+ dev_put(ppp->dev);
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+ }
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+ /* QCA NSS Clients Support - Start */
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+
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/* remove it from the ppp unit's list */
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ppp_lock(ppp);
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list_del(&pch->clist);
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