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2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c

 kernel/include/net/sctp/ulpevent.h
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@@ -1,3 +1,4 @@
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+/* SPDX-License-Identifier: GPL-2.0-or-later */
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 /* SCTP kernel implementation
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  * (C) Copyright IBM Corp. 2001, 2004
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  * Copyright (c) 1999-2000 Cisco, Inc.
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@@ -11,22 +12,6 @@
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  * upwards to the ULP.
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  *
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  * This file is part of the SCTP kernel implementation
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- *
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- * This SCTP implementation is free software;
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- * you can redistribute it and/or modify it under the terms of
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- * the GNU General Public License as published by
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- * the Free Software Foundation; either version 2, or (at your option)
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- * any later version.
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- *
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- * This SCTP implementation is distributed in the hope that it
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- * will be useful, but WITHOUT ANY WARRANTY; without even the implied
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- *                 ************************
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- * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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- * See the GNU General Public License for more details.
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- *
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- * You should have received a copy of the GNU General Public License
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- * along with GNU CC; see the file COPYING.  If not, see
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- * <http://www.gnu.org/licenses/>.
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  *
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  * Please send any bug reports or fixes you make to the
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  * email address(es):
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@@ -95,13 +80,8 @@
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 	struct sctp_chunk *chunk,
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 	gfp_t gfp);
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-struct sctp_ulpevent *sctp_ulpevent_make_peer_addr_change(
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-	const struct sctp_association *asoc,
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-	const struct sockaddr_storage *aaddr,
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-	int flags,
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-	int state,
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-	int error,
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-	gfp_t gfp);
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+void sctp_ulpevent_notify_peer_addr_change(struct sctp_transport *transport,
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+					   int state, int error);
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85
 
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 struct sctp_ulpevent *sctp_ulpevent_make_remote_error(
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 	const struct sctp_association *asoc,
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@@ -109,6 +89,13 @@
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 	__u16 flags,
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 	gfp_t gfp);
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 struct sctp_ulpevent *sctp_ulpevent_make_send_failed(
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+	const struct sctp_association *asoc,
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+	struct sctp_chunk *chunk,
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+	__u16 flags,
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+	__u32 error,
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+	gfp_t gfp);
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+
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+struct sctp_ulpevent *sctp_ulpevent_make_send_failed_event(
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 	const struct sctp_association *asoc,
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 	struct sctp_chunk *chunk,
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 	__u16 flags,
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@@ -164,30 +151,39 @@
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 __u16 sctp_ulpevent_get_notification_type(const struct sctp_ulpevent *event);
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153
 
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-/* Is this event type enabled? */
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-static inline int sctp_ulpevent_type_enabled(__u16 sn_type,
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-					     struct sctp_event_subscribe *mask)
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+static inline void sctp_ulpevent_type_set(__u16 *subscribe,
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+					  __u16 sn_type, __u8 on)
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 {
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-	int offset = sn_type - SCTP_SN_TYPE_BASE;
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-	char *amask = (char *) mask;
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+	if (sn_type > SCTP_SN_TYPE_MAX)
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+		return;
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-	if (offset >= sizeof(struct sctp_event_subscribe))
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-		return 0;
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-	return amask[offset];
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+	if (on)
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+		*subscribe |=  (1 << (sn_type - SCTP_SN_TYPE_BASE));
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+	else
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+		*subscribe &= ~(1 << (sn_type - SCTP_SN_TYPE_BASE));
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+}
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+
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+/* Is this event type enabled? */
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+static inline bool sctp_ulpevent_type_enabled(__u16 subscribe, __u16 sn_type)
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+{
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+	if (sn_type > SCTP_SN_TYPE_MAX)
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+		return false;
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+
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+	return subscribe & (1 << (sn_type - SCTP_SN_TYPE_BASE));
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 }
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 /* Given an event subscription, is this event enabled? */
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-static inline int sctp_ulpevent_is_enabled(const struct sctp_ulpevent *event,
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-					   struct sctp_event_subscribe *mask)
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+static inline bool sctp_ulpevent_is_enabled(const struct sctp_ulpevent *event,
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+					    __u16 subscribe)
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 {
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 	__u16 sn_type;
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-	int enabled = 1;
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-	if (sctp_ulpevent_is_notification(event)) {
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-		sn_type = sctp_ulpevent_get_notification_type(event);
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-		enabled = sctp_ulpevent_type_enabled(sn_type, mask);
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-	}
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-	return enabled;
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+	if (!sctp_ulpevent_is_notification(event))
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+		return true;
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+
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+	sn_type = sctp_ulpevent_get_notification_type(event);
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+
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+	return sctp_ulpevent_type_enabled(subscribe, sn_type);
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 }
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 #endif /* __sctp_ulpevent_h__ */