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| author |   Davide Caratti <dcaratti@redhat.com> | 2020-03-27 14:48:49 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2020-03-29 22:14:48 -0700 |
| commit | 5147dfb5083204d6f5468d6d6d2d04b2cdc0cf2b (patch) | |
| tree | 69230ab7f4b1f6df999b78c6b82a5aa353bcbfc4 /include | |
| parent | mptcp: implement and use MPTCP-level retransmission (diff) | |
| download | linux-dev-5147dfb5083204d6f5468d6d6d2d04b2cdc0cf2b.tar.xz linux-dev-5147dfb5083204d6f5468d6d6d2d04b2cdc0cf2b.zip | |
mptcp: allow dumping subflow context to userspace
add ulp-specific diagnostic functions, so that subflow information can be
dumped to userspace programs like 'ss'.
v2 -> v3:
- uapi: use bit macros appropriate for userspace
Co-developed-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Co-developed-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Davide Caratti <dcaratti@redhat.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include')
| -rw-r--r-- | include/uapi/linux/inet_diag.h | 1 | ||||
| -rw-r--r-- | include/uapi/linux/mptcp.h | 35 |
2 files changed, 36 insertions, 0 deletions
diff --git a/include/uapi/linux/inet_diag.h b/include/uapi/linux/inet_diag.h index 75dffd78363a..57cc429a9177 100644 --- a/include/uapi/linux/inet_diag.h +++ b/include/uapi/linux/inet_diag.h @@ -166,6 +166,7 @@ enum { INET_ULP_INFO_UNSPEC, INET_ULP_INFO_NAME, INET_ULP_INFO_TLS, + INET_ULP_INFO_MPTCP, __INET_ULP_INFO_MAX, }; #define INET_ULP_INFO_MAX (__INET_ULP_INFO_MAX - 1) diff --git a/include/uapi/linux/mptcp.h b/include/uapi/linux/mptcp.h new file mode 100644 index 000000000000..c503bd8f2ccd --- /dev/null +++ b/include/uapi/linux/mptcp.h @@ -0,0 +1,35 @@ +/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ +#ifndef _UAPI_MPTCP_H +#define _UAPI_MPTCP_H + +#include <linux/const.h> +#include <linux/types.h> + +#define MPTCP_SUBFLOW_FLAG_MCAP_REM _BITUL(0) +#define MPTCP_SUBFLOW_FLAG_MCAP_LOC _BITUL(1) +#define MPTCP_SUBFLOW_FLAG_JOIN_REM _BITUL(2) +#define MPTCP_SUBFLOW_FLAG_JOIN_LOC _BITUL(3) +#define MPTCP_SUBFLOW_FLAG_BKUP_REM _BITUL(4) +#define MPTCP_SUBFLOW_FLAG_BKUP_LOC _BITUL(5) +#define MPTCP_SUBFLOW_FLAG_FULLY_ESTABLISHED _BITUL(6) +#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) +#endif /* _UAPI_MPTCP_H */ |