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Date: Mon, 23 Oct 2023 11:17:09 -0700
From: Mat Martineau <martineau@...nel.org>
To: "David S. Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>, Matthieu Baerts <matttbe@...nel.org>
Cc: netdev@...r.kernel.org, mptcp@...ts.linux.dev,
Simon Horman <horms@...nel.org>, Mat Martineau <martineau@...nel.org>,
Davide Caratti <dcaratti@...hat.com>
Subject: [PATCH net-next v2 5/7] uapi: mptcp: use header file generated
from YAML spec
From: Davide Caratti <dcaratti@...hat.com>
generated with:
$ ./tools/net/ynl/ynl-gen-c.py --mode uapi \
> --spec Documentation/netlink/specs/mptcp.yaml \
> --header -o include/uapi/linux/mptcp_pm.h
Link: https://github.com/multipath-tcp/mptcp_net-next/issues/340
Acked-by: Paolo Abeni <pabeni@...hat.com>
Signed-off-by: Davide Caratti <dcaratti@...hat.com>
Signed-off-by: Mat Martineau <martineau@...nel.org>
---
MAINTAINERS | 2 +-
include/uapi/linux/mptcp.h | 182 +++---------------------------------------
include/uapi/linux/mptcp_pm.h | 150 ++++++++++++++++++++++++++++++++++
3 files changed, 161 insertions(+), 173 deletions(-)
diff --git a/MAINTAINERS b/MAINTAINERS
index 977de4624fe0..b2f53d5cae06 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -14964,7 +14964,7 @@ F: Documentation/netlink/specs/mptcp.yaml
F: Documentation/networking/mptcp-sysctl.rst
F: include/net/mptcp.h
F: include/trace/events/mptcp.h
-F: include/uapi/linux/mptcp.h
+F: include/uapi/linux/mptcp*.h
F: net/mptcp/
F: tools/testing/selftests/bpf/*/*mptcp*.c
F: tools/testing/selftests/net/mptcp/
diff --git a/include/uapi/linux/mptcp.h b/include/uapi/linux/mptcp.h
index 0e62937ab17c..64ecc8a3f9f2 100644
--- a/include/uapi/linux/mptcp.h
+++ b/include/uapi/linux/mptcp.h
@@ -23,99 +23,24 @@
#define MPTCP_SUBFLOW_FLAG_CONNECTED _BITUL(7)
#define MPTCP_SUBFLOW_FLAG_MAPVALID _BITUL(8)
-enum {
- MPTCP_SUBFLOW_ATTR_UNSPEC,
- MPTCP_SUBFLOW_ATTR_TOKEN_REM,
- MPTCP_SUBFLOW_ATTR_TOKEN_LOC,
- MPTCP_SUBFLOW_ATTR_RELWRITE_SEQ,
- MPTCP_SUBFLOW_ATTR_MAP_SEQ,
- MPTCP_SUBFLOW_ATTR_MAP_SFSEQ,
- MPTCP_SUBFLOW_ATTR_SSN_OFFSET,
- MPTCP_SUBFLOW_ATTR_MAP_DATALEN,
- MPTCP_SUBFLOW_ATTR_FLAGS,
- MPTCP_SUBFLOW_ATTR_ID_REM,
- MPTCP_SUBFLOW_ATTR_ID_LOC,
- MPTCP_SUBFLOW_ATTR_PAD,
- __MPTCP_SUBFLOW_ATTR_MAX
-};
-
-#define MPTCP_SUBFLOW_ATTR_MAX (__MPTCP_SUBFLOW_ATTR_MAX - 1)
-
-/* netlink interface */
-#define MPTCP_PM_NAME "mptcp_pm"
#define MPTCP_PM_CMD_GRP_NAME "mptcp_pm_cmds"
#define MPTCP_PM_EV_GRP_NAME "mptcp_pm_events"
-#define MPTCP_PM_VER 0x1
-
-/*
- * ATTR types defined for MPTCP
- */
-enum {
- MPTCP_PM_ATTR_UNSPEC,
-
- MPTCP_PM_ATTR_ADDR, /* nested address */
- MPTCP_PM_ATTR_RCV_ADD_ADDRS, /* u32 */
- MPTCP_PM_ATTR_SUBFLOWS, /* u32 */
- MPTCP_PM_ATTR_TOKEN, /* u32 */
- MPTCP_PM_ATTR_LOC_ID, /* u8 */
- MPTCP_PM_ATTR_ADDR_REMOTE, /* nested address */
-
- __MPTCP_PM_ATTR_MAX
-};
-
-#define MPTCP_PM_ATTR_MAX (__MPTCP_PM_ATTR_MAX - 1)
-
-enum {
- MPTCP_PM_ENDPOINT_ADDR = 1,
-
- __MPTCP_PM_ENDPOINT_MAX
-};
-
-#define MPTCP_PM_ENDPOINT_MAX (__MPTCP_PM_ENDPOINT_MAX - 1)
-
-enum {
- MPTCP_PM_ADDR_ATTR_UNSPEC,
-
- MPTCP_PM_ADDR_ATTR_FAMILY, /* u16 */
- MPTCP_PM_ADDR_ATTR_ID, /* u8 */
- MPTCP_PM_ADDR_ATTR_ADDR4, /* struct in_addr */
- MPTCP_PM_ADDR_ATTR_ADDR6, /* struct in6_addr */
- MPTCP_PM_ADDR_ATTR_PORT, /* u16 */
- MPTCP_PM_ADDR_ATTR_FLAGS, /* u32 */
- MPTCP_PM_ADDR_ATTR_IF_IDX, /* s32 */
-
- __MPTCP_PM_ADDR_ATTR_MAX
-};
-#define MPTCP_PM_ADDR_ATTR_MAX (__MPTCP_PM_ADDR_ATTR_MAX - 1)
+#include <linux/mptcp_pm.h>
-#define MPTCP_PM_ADDR_FLAG_SIGNAL (1 << 0)
-#define MPTCP_PM_ADDR_FLAG_SUBFLOW (1 << 1)
-#define MPTCP_PM_ADDR_FLAG_BACKUP (1 << 2)
-#define MPTCP_PM_ADDR_FLAG_FULLMESH (1 << 3)
-#define MPTCP_PM_ADDR_FLAG_IMPLICIT (1 << 4)
-
-enum {
- MPTCP_PM_CMD_UNSPEC,
-
- MPTCP_PM_CMD_ADD_ADDR,
- MPTCP_PM_CMD_DEL_ADDR,
- MPTCP_PM_CMD_GET_ADDR,
- MPTCP_PM_CMD_FLUSH_ADDRS,
- MPTCP_PM_CMD_SET_LIMITS,
- MPTCP_PM_CMD_GET_LIMITS,
- MPTCP_PM_CMD_SET_FLAGS,
- MPTCP_PM_CMD_ANNOUNCE,
- MPTCP_PM_CMD_REMOVE,
- MPTCP_PM_CMD_SUBFLOW_CREATE,
- MPTCP_PM_CMD_SUBFLOW_DESTROY,
-
- __MPTCP_PM_CMD_AFTER_LAST
-};
+/* for backward compatibility */
+#define __MPTCP_PM_CMD_AFTER_LAST __MPTCP_PM_CMD_MAX
+#define __MPTCP_ATTR_AFTER_LAST __MPTCP_ATTR_MAX
#define MPTCP_INFO_FLAG_FALLBACK _BITUL(0)
#define MPTCP_INFO_FLAG_REMOTE_KEY_RECEIVED _BITUL(1)
+#define MPTCP_PM_ADDR_FLAG_SIGNAL (1 << 0)
+#define MPTCP_PM_ADDR_FLAG_SUBFLOW (1 << 1)
+#define MPTCP_PM_ADDR_FLAG_BACKUP (1 << 2)
+#define MPTCP_PM_ADDR_FLAG_FULLMESH (1 << 3)
+#define MPTCP_PM_ADDR_FLAG_IMPLICIT (1 << 4)
+
struct mptcp_info {
__u8 mptcpi_subflows;
__u8 mptcpi_add_addr_signal;
@@ -138,93 +63,6 @@ struct mptcp_info {
__u64 mptcpi_bytes_acked;
};
-/*
- * MPTCP_EVENT_CREATED: token, family, saddr4 | saddr6, daddr4 | daddr6,
- * sport, dport
- * A new MPTCP connection has been created. It is the good time to allocate
- * memory and send ADD_ADDR if needed. Depending on the traffic-patterns
- * it can take a long time until the MPTCP_EVENT_ESTABLISHED is sent.
- *
- * MPTCP_EVENT_ESTABLISHED: token, family, saddr4 | saddr6, daddr4 | daddr6,
- * sport, dport
- * A MPTCP connection is established (can start new subflows).
- *
- * MPTCP_EVENT_CLOSED: token
- * A MPTCP connection has stopped.
- *
- * MPTCP_EVENT_ANNOUNCED: token, rem_id, family, daddr4 | daddr6 [, dport]
- * A new address has been announced by the peer.
- *
- * MPTCP_EVENT_REMOVED: token, rem_id
- * An address has been lost by the peer.
- *
- * MPTCP_EVENT_SUB_ESTABLISHED: token, family, loc_id, rem_id,
- * saddr4 | saddr6, daddr4 | daddr6, sport,
- * dport, backup, if_idx [, error]
- * A new subflow has been established. 'error' should not be set.
- *
- * MPTCP_EVENT_SUB_CLOSED: token, family, loc_id, rem_id, saddr4 | saddr6,
- * daddr4 | daddr6, sport, dport, backup, if_idx
- * [, error]
- * A subflow has been closed. An error (copy of sk_err) could be set if an
- * error has been detected for this subflow.
- *
- * MPTCP_EVENT_SUB_PRIORITY: token, family, loc_id, rem_id, saddr4 | saddr6,
- * daddr4 | daddr6, sport, dport, backup, if_idx
- * [, error]
- * The priority of a subflow has changed. 'error' should not be set.
- *
- * MPTCP_EVENT_LISTENER_CREATED: family, sport, saddr4 | saddr6
- * A new PM listener is created.
- *
- * MPTCP_EVENT_LISTENER_CLOSED: family, sport, saddr4 | saddr6
- * A PM listener is closed.
- */
-enum mptcp_event_type {
- MPTCP_EVENT_UNSPEC = 0,
- MPTCP_EVENT_CREATED = 1,
- MPTCP_EVENT_ESTABLISHED = 2,
- MPTCP_EVENT_CLOSED = 3,
-
- MPTCP_EVENT_ANNOUNCED = 6,
- MPTCP_EVENT_REMOVED = 7,
-
- MPTCP_EVENT_SUB_ESTABLISHED = 10,
- MPTCP_EVENT_SUB_CLOSED = 11,
-
- MPTCP_EVENT_SUB_PRIORITY = 13,
-
- MPTCP_EVENT_LISTENER_CREATED = 15,
- MPTCP_EVENT_LISTENER_CLOSED = 16,
-};
-
-enum mptcp_event_attr {
- MPTCP_ATTR_UNSPEC = 0,
-
- MPTCP_ATTR_TOKEN, /* u32 */
- MPTCP_ATTR_FAMILY, /* u16 */
- MPTCP_ATTR_LOC_ID, /* u8 */
- MPTCP_ATTR_REM_ID, /* u8 */
- MPTCP_ATTR_SADDR4, /* be32 */
- MPTCP_ATTR_SADDR6, /* struct in6_addr */
- MPTCP_ATTR_DADDR4, /* be32 */
- MPTCP_ATTR_DADDR6, /* struct in6_addr */
- MPTCP_ATTR_SPORT, /* be16 */
- MPTCP_ATTR_DPORT, /* be16 */
- MPTCP_ATTR_BACKUP, /* u8 */
- MPTCP_ATTR_ERROR, /* u8 */
- MPTCP_ATTR_FLAGS, /* u16 */
- MPTCP_ATTR_TIMEOUT, /* u32 */
- MPTCP_ATTR_IF_IDX, /* s32 */
- MPTCP_ATTR_RESET_REASON,/* u32 */
- MPTCP_ATTR_RESET_FLAGS, /* u32 */
- MPTCP_ATTR_SERVER_SIDE, /* u8 */
-
- __MPTCP_ATTR_AFTER_LAST
-};
-
-#define MPTCP_ATTR_MAX (__MPTCP_ATTR_AFTER_LAST - 1)
-
/* MPTCP Reset reason codes, rfc8684 */
#define MPTCP_RST_EUNSPEC 0
#define MPTCP_RST_EMPTCP 1
diff --git a/include/uapi/linux/mptcp_pm.h b/include/uapi/linux/mptcp_pm.h
new file mode 100644
index 000000000000..0ad598fe940b
--- /dev/null
+++ b/include/uapi/linux/mptcp_pm.h
@@ -0,0 +1,150 @@
+/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) */
+/* Do not edit directly, auto-generated from: */
+/* Documentation/netlink/specs/mptcp.yaml */
+/* YNL-GEN uapi header */
+
+#ifndef _UAPI_LINUX_MPTCP_PM_H
+#define _UAPI_LINUX_MPTCP_PM_H
+
+#define MPTCP_PM_NAME "mptcp_pm"
+#define MPTCP_PM_VER 1
+
+/**
+ * enum mptcp_event_type
+ * @MPTCP_EVENT_UNSPEC: unused event
+ * @MPTCP_EVENT_CREATED: token, family, saddr4 | saddr6, daddr4 | daddr6,
+ * sport, dport A new MPTCP connection has been created. It is the good time
+ * to allocate memory and send ADD_ADDR if needed. Depending on the
+ * traffic-patterns it can take a long time until the MPTCP_EVENT_ESTABLISHED
+ * is sent.
+ * @MPTCP_EVENT_ESTABLISHED: token, family, saddr4 | saddr6, daddr4 | daddr6,
+ * sport, dport A MPTCP connection is established (can start new subflows).
+ * @MPTCP_EVENT_CLOSED: token A MPTCP connection has stopped.
+ * @MPTCP_EVENT_ANNOUNCED: token, rem_id, family, daddr4 | daddr6 [, dport] A
+ * new address has been announced by the peer.
+ * @MPTCP_EVENT_REMOVED: token, rem_id An address has been lost by the peer.
+ * @MPTCP_EVENT_SUB_ESTABLISHED: token, family, loc_id, rem_id, saddr4 |
+ * saddr6, daddr4 | daddr6, sport, dport, backup, if_idx [, error] A new
+ * subflow has been established. 'error' should not be set.
+ * @MPTCP_EVENT_SUB_CLOSED: token, family, loc_id, rem_id, saddr4 | saddr6,
+ * daddr4 | daddr6, sport, dport, backup, if_idx [, error] A subflow has been
+ * closed. An error (copy of sk_err) could be set if an error has been
+ * detected for this subflow.
+ * @MPTCP_EVENT_SUB_PRIORITY: token, family, loc_id, rem_id, saddr4 | saddr6,
+ * daddr4 | daddr6, sport, dport, backup, if_idx [, error] The priority of a
+ * subflow has changed. 'error' should not be set.
+ * @MPTCP_EVENT_LISTENER_CREATED: family, sport, saddr4 | saddr6 A new PM
+ * listener is created.
+ * @MPTCP_EVENT_LISTENER_CLOSED: family, sport, saddr4 | saddr6 A PM listener
+ * is closed.
+ */
+enum mptcp_event_type {
+ MPTCP_EVENT_UNSPEC,
+ MPTCP_EVENT_CREATED,
+ MPTCP_EVENT_ESTABLISHED,
+ MPTCP_EVENT_CLOSED,
+ MPTCP_EVENT_ANNOUNCED = 6,
+ MPTCP_EVENT_REMOVED,
+ MPTCP_EVENT_SUB_ESTABLISHED = 10,
+ MPTCP_EVENT_SUB_CLOSED,
+ MPTCP_EVENT_SUB_PRIORITY = 13,
+ MPTCP_EVENT_LISTENER_CREATED = 15,
+ MPTCP_EVENT_LISTENER_CLOSED,
+};
+
+enum {
+ MPTCP_PM_ADDR_ATTR_UNSPEC,
+ MPTCP_PM_ADDR_ATTR_FAMILY,
+ MPTCP_PM_ADDR_ATTR_ID,
+ MPTCP_PM_ADDR_ATTR_ADDR4,
+ MPTCP_PM_ADDR_ATTR_ADDR6,
+ MPTCP_PM_ADDR_ATTR_PORT,
+ MPTCP_PM_ADDR_ATTR_FLAGS,
+ MPTCP_PM_ADDR_ATTR_IF_IDX,
+
+ __MPTCP_PM_ADDR_ATTR_MAX
+};
+#define MPTCP_PM_ADDR_ATTR_MAX (__MPTCP_PM_ADDR_ATTR_MAX - 1)
+
+enum {
+ MPTCP_SUBFLOW_ATTR_UNSPEC,
+ MPTCP_SUBFLOW_ATTR_TOKEN_REM,
+ MPTCP_SUBFLOW_ATTR_TOKEN_LOC,
+ MPTCP_SUBFLOW_ATTR_RELWRITE_SEQ,
+ MPTCP_SUBFLOW_ATTR_MAP_SEQ,
+ MPTCP_SUBFLOW_ATTR_MAP_SFSEQ,
+ MPTCP_SUBFLOW_ATTR_SSN_OFFSET,
+ MPTCP_SUBFLOW_ATTR_MAP_DATALEN,
+ MPTCP_SUBFLOW_ATTR_FLAGS,
+ MPTCP_SUBFLOW_ATTR_ID_REM,
+ MPTCP_SUBFLOW_ATTR_ID_LOC,
+ MPTCP_SUBFLOW_ATTR_PAD,
+
+ __MPTCP_SUBFLOW_ATTR_MAX
+};
+#define MPTCP_SUBFLOW_ATTR_MAX (__MPTCP_SUBFLOW_ATTR_MAX - 1)
+
+enum {
+ MPTCP_PM_ENDPOINT_ADDR = 1,
+
+ __MPTCP_PM_ENDPOINT_MAX
+};
+#define MPTCP_PM_ENDPOINT_MAX (__MPTCP_PM_ENDPOINT_MAX - 1)
+
+enum {
+ MPTCP_PM_ATTR_UNSPEC,
+ MPTCP_PM_ATTR_ADDR,
+ MPTCP_PM_ATTR_RCV_ADD_ADDRS,
+ MPTCP_PM_ATTR_SUBFLOWS,
+ MPTCP_PM_ATTR_TOKEN,
+ MPTCP_PM_ATTR_LOC_ID,
+ MPTCP_PM_ATTR_ADDR_REMOTE,
+
+ __MPTCP_PM_ATTR_MAX
+};
+#define MPTCP_PM_ATTR_MAX (__MPTCP_PM_ATTR_MAX - 1)
+
+enum mptcp_event_attr {
+ MPTCP_ATTR_UNSPEC,
+ MPTCP_ATTR_TOKEN,
+ MPTCP_ATTR_FAMILY,
+ MPTCP_ATTR_LOC_ID,
+ MPTCP_ATTR_REM_ID,
+ MPTCP_ATTR_SADDR4,
+ MPTCP_ATTR_SADDR6,
+ MPTCP_ATTR_DADDR4,
+ MPTCP_ATTR_DADDR6,
+ MPTCP_ATTR_SPORT,
+ MPTCP_ATTR_DPORT,
+ MPTCP_ATTR_BACKUP,
+ MPTCP_ATTR_ERROR,
+ MPTCP_ATTR_FLAGS,
+ MPTCP_ATTR_TIMEOUT,
+ MPTCP_ATTR_IF_IDX,
+ MPTCP_ATTR_RESET_REASON,
+ MPTCP_ATTR_RESET_FLAGS,
+ MPTCP_ATTR_SERVER_SIDE,
+
+ __MPTCP_ATTR_MAX
+};
+#define MPTCP_ATTR_MAX (__MPTCP_ATTR_MAX - 1)
+
+enum {
+ MPTCP_PM_CMD_UNSPEC,
+ MPTCP_PM_CMD_ADD_ADDR,
+ MPTCP_PM_CMD_DEL_ADDR,
+ MPTCP_PM_CMD_GET_ADDR,
+ MPTCP_PM_CMD_FLUSH_ADDRS,
+ MPTCP_PM_CMD_SET_LIMITS,
+ MPTCP_PM_CMD_GET_LIMITS,
+ MPTCP_PM_CMD_SET_FLAGS,
+ MPTCP_PM_CMD_ANNOUNCE,
+ MPTCP_PM_CMD_REMOVE,
+ MPTCP_PM_CMD_SUBFLOW_CREATE,
+ MPTCP_PM_CMD_SUBFLOW_DESTROY,
+
+ __MPTCP_PM_CMD_MAX
+};
+#define MPTCP_PM_CMD_MAX (__MPTCP_PM_CMD_MAX - 1)
+
+#endif /* _UAPI_LINUX_MPTCP_PM_H */
--
2.41.0
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