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-rw-r--r--fs/dlm/lowcomms.c2
-rw-r--r--include/linux/sctp.h6
-rw-r--r--include/net/sctp/constants.h1
-rw-r--r--include/uapi/linux/Kbuild1
-rw-r--r--include/uapi/linux/sctp.h (renamed from include/net/sctp/user.h)84
5 files changed, 78 insertions, 16 deletions
diff --git a/fs/dlm/lowcomms.c b/fs/dlm/lowcomms.c
index 4f5ad246582f..d0ccd2fd79eb 100644
--- a/fs/dlm/lowcomms.c
+++ b/fs/dlm/lowcomms.c
@@ -52,8 +52,8 @@
#include <linux/mutex.h>
#include <linux/sctp.h>
#include <linux/slab.h>
+#include <linux/sctp.h>
#include <net/sctp/sctp.h>
-#include <net/sctp/user.h>
#include <net/ipv6.h>
#include "dlm_internal.h"
diff --git a/include/linux/sctp.h b/include/linux/sctp.h
index c11a28706fa4..3bfe8d6ee248 100644
--- a/include/linux/sctp.h
+++ b/include/linux/sctp.h
@@ -53,7 +53,9 @@
#include <linux/in.h> /* We need in_addr. */
#include <linux/in6.h> /* We need in6_addr. */
+#include <linux/skbuff.h>
+#include <uapi/linux/sctp.h>
/* Section 3.1. SCTP Common Header Format */
typedef struct sctphdr {
@@ -63,14 +65,10 @@ typedef struct sctphdr {
__le32 checksum;
} __packed sctp_sctphdr_t;
-#ifdef __KERNEL__
-#include <linux/skbuff.h>
-
static inline struct sctphdr *sctp_hdr(const struct sk_buff *skb)
{
return (struct sctphdr *)skb_transport_header(skb);
}
-#endif
/* Section 3.2. Chunk Field Descriptions. */
typedef struct sctp_chunkhdr {
diff --git a/include/net/sctp/constants.h b/include/net/sctp/constants.h
index a7dd5c50df79..ca50e0751e47 100644
--- a/include/net/sctp/constants.h
+++ b/include/net/sctp/constants.h
@@ -49,7 +49,6 @@
#include <linux/sctp.h>
#include <linux/ipv6.h> /* For ipv6hdr. */
-#include <net/sctp/user.h>
#include <net/tcp_states.h> /* For TCP states used in sctp_sock_state_t */
/* Value used for stream negotiation. */
diff --git a/include/uapi/linux/Kbuild b/include/uapi/linux/Kbuild
index 5c8a1d25e21c..7df190525337 100644
--- a/include/uapi/linux/Kbuild
+++ b/include/uapi/linux/Kbuild
@@ -331,6 +331,7 @@ header-y += rtnetlink.h
header-y += scc.h
header-y += sched.h
header-y += screen_info.h
+header-y += sctp.h
header-y += sdla.h
header-y += seccomp.h
header-y += securebits.h
diff --git a/include/net/sctp/user.h b/include/uapi/linux/sctp.h
index 9a0ae091366d..66b466e4ca08 100644
--- a/include/net/sctp/user.h
+++ b/include/uapi/linux/sctp.h
@@ -42,15 +42,17 @@
* Jon Grimm <jgrimm@us.ibm.com>
* Daisy Chang <daisyc@us.ibm.com>
* Ryan Layer <rmlayer@us.ibm.com>
- * Ardelle Fan <ardelle.fan@intel.com>
+ * Ardelle Fan <ardelle.fan@intel.com>
* Sridhar Samudrala <sri@us.ibm.com>
+ * Inaky Perez-Gonzalez <inaky.gonzalez@intel.com>
+ * Vlad Yasevich <vladislav.yasevich@hp.com>
*
* Any bugs reported given to us we will try to fix... any fixes shared will
* be incorporated into the next SCTP release.
*/
-#ifndef __net_sctp_user_h__
-#define __net_sctp_user_h__
+#ifndef _UAPI_SCTP_H
+#define _UAPI_SCTP_H
#include <linux/types.h>
#include <linux/socket.h>
@@ -165,17 +167,23 @@ enum sctp_sinfo_flags {
SCTP_ADDR_OVER = 2, /* Override the primary destination. */
SCTP_ABORT=4, /* Send an ABORT message to the peer. */
SCTP_SACK_IMMEDIATELY = 8, /* SACK should be sent without delay */
- SCTP_EOF=MSG_FIN, /* Initiate graceful shutdown process. */
+ SCTP_EOF=MSG_FIN, /* Initiate graceful shutdown process. */
};
+typedef union {
+ __u8 raw;
+ struct sctp_initmsg init;
+ struct sctp_sndrcvinfo sndrcv;
+} sctp_cmsg_data_t;
/* These are cmsg_types. */
typedef enum sctp_cmsg_type {
SCTP_INIT, /* 5.2.1 SCTP Initiation Structure */
+#define SCTP_INIT SCTP_INIT
SCTP_SNDRCV, /* 5.2.2 SCTP Header Information Structure */
+#define SCTP_SNDRCV SCTP_SNDRCV
} sctp_cmsg_t;
-
/*
* 5.3.1.1 SCTP_ASSOC_CHANGE
*
@@ -345,6 +353,12 @@ struct sctp_pdapi_event {
enum { SCTP_PARTIAL_DELIVERY_ABORTED=0, };
+/*
+ * 5.3.1.8. SCTP_AUTHENTICATION_EVENT
+ *
+ * When a receiver is using authentication this message will provide
+ * notifications regarding new keys being made active as well as errors.
+ */
struct sctp_authkey_event {
__u16 auth_type;
__u16 auth_flags;
@@ -421,15 +435,23 @@ union sctp_notification {
enum sctp_sn_type {
SCTP_SN_TYPE_BASE = (1<<15),
SCTP_ASSOC_CHANGE,
+#define SCTP_ASSOC_CHANGE SCTP_ASSOC_CHANGE
SCTP_PEER_ADDR_CHANGE,
+#define SCTP_PEER_ADDR_CHANGE SCTP_PEER_ADDR_CHANGE
SCTP_SEND_FAILED,
+#define SCTP_SEND_FAILED SCTP_SEND_FAILED
SCTP_REMOTE_ERROR,
+#define SCTP_REMOTE_ERROR SCTP_REMOTE_ERROR
SCTP_SHUTDOWN_EVENT,
+#define SCTP_SHUTDOWN_EVENT SCTP_SHUTDOWN_EVENT
SCTP_PARTIAL_DELIVERY_EVENT,
+#define SCTP_PARTIAL_DELIVERY_EVENT SCTP_PARTIAL_DELIVERY_EVENT
SCTP_ADAPTATION_INDICATION,
+#define SCTP_ADAPTATION_INDICATION SCTP_ADAPTATION_INDICATION
SCTP_AUTHENTICATION_EVENT,
#define SCTP_AUTHENTICATION_INDICATION SCTP_AUTHENTICATION_EVENT
SCTP_SENDER_DRY_EVENT,
+#define SCTP_SENDER_DRY_EVENT SCTP_SENDER_DRY_EVENT
};
/* Notification error codes used to fill up the error fields in some
@@ -454,7 +476,7 @@ typedef enum sctp_sn_error {
*
* The protocol parameters used to initialize and bound retransmission
* timeout (RTO) are tunable. See [SCTP] for more information on how
- * these parameters are used in RTO calculation.
+ * these parameters are used in RTO calculation.
*/
struct sctp_rtoinfo {
sctp_assoc_t srto_assoc_id;
@@ -504,6 +526,9 @@ struct sctp_prim {
struct sockaddr_storage ssp_addr;
} __attribute__((packed, aligned(4)));
+/* For backward compatibility use, define the old name too */
+#define sctp_setprim sctp_prim
+
/*
* 7.1.11 Set Adaptation Layer Indicator (SCTP_ADAPTATION_LAYER)
*
@@ -564,12 +589,27 @@ struct sctp_authchunk {
*
* This option gets or sets the list of HMAC algorithms that the local
* endpoint requires the peer to use.
-*/
+ */
+#ifndef __KERNEL__
+/* This here is only used by user space as is. It might not be a good idea
+ * to export/reveal the whole structure with reserved fields etc.
+ */
+enum {
+ SCTP_AUTH_HMAC_ID_SHA1 = 1,
+ SCTP_AUTH_HMAC_ID_SHA256 = 3,
+};
+#endif
+
struct sctp_hmacalgo {
__u32 shmac_num_idents;
__u16 shmac_idents[];
};
+/* Sadly, user and kernel space have different names for
+ * this structure member, so this is to not break anything.
+ */
+#define shmac_number_of_idents shmac_num_idents
+
/*
* 7.1.20. Set a shared key (SCTP_AUTH_KEY)
*
@@ -691,6 +731,24 @@ struct sctp_authchunks {
uint8_t gauth_chunks[];
};
+/* The broken spelling has been released already in lksctp-tools header,
+ * so don't break anyone, now that it's fixed.
+ */
+#define guth_number_of_chunks gauth_number_of_chunks
+
+/* Association states. */
+enum sctp_sstat_state {
+ SCTP_EMPTY = 0,
+ SCTP_CLOSED = 1,
+ SCTP_COOKIE_WAIT = 2,
+ SCTP_COOKIE_ECHOED = 3,
+ SCTP_ESTABLISHED = 4,
+ SCTP_SHUTDOWN_PENDING = 5,
+ SCTP_SHUTDOWN_SENT = 6,
+ SCTP_SHUTDOWN_RECEIVED = 7,
+ SCTP_SHUTDOWN_ACK_SENT = 8,
+};
+
/*
* 8.2.6. Get the Current Identifiers of Associations
* (SCTP_GET_ASSOC_ID_LIST)
@@ -705,15 +763,20 @@ struct sctp_assoc_ids {
/*
* 8.3, 8.5 get all peer/local addresses in an association.
- * This parameter struct is used by SCTP_GET_PEER_ADDRS and
+ * This parameter struct is used by SCTP_GET_PEER_ADDRS and
* SCTP_GET_LOCAL_ADDRS socket options used internally to implement
- * sctp_getpaddrs() and sctp_getladdrs() API.
+ * sctp_getpaddrs() and sctp_getladdrs() API.
*/
struct sctp_getaddrs_old {
sctp_assoc_t assoc_id;
int addr_num;
+#ifdef __KERNEL__
struct sockaddr __user *addrs;
+#else
+ struct sockaddr *addrs;
+#endif
};
+
struct sctp_getaddrs {
sctp_assoc_t assoc_id; /*input*/
__u32 addr_num; /*output*/
@@ -779,4 +842,5 @@ struct sctp_paddrthlds {
__u16 spt_pathmaxrxt;
__u16 spt_pathpfthld;
};
-#endif /* __net_sctp_user_h__ */
+
+#endif /* _UAPI_SCTP_H */
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.