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@ -1 +1 @@
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SOURCES/mptcpd-0.12.tar.gz
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SOURCES/mptcpd-0.8.tar.gz
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@ -1 +1 @@
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c1403b83fac20bc17fce199f2f7f741d6a9376bc SOURCES/mptcpd-0.12.tar.gz
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a75235d98b7d2ab1ed71e0bd9d1683e6da462bfb SOURCES/mptcpd-0.8.tar.gz
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@ -0,0 +1,31 @@
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From 5633f08e35552295b2f9414ff32ca4e8e081b2f2 Mon Sep 17 00:00:00 2001
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Message-Id: <5633f08e35552295b2f9414ff32ca4e8e081b2f2.1638196305.git.dcaratti@redhat.com>
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From: Paolo Abeni <paolo.abeni@gmail.com>
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Date: Tue, 12 Oct 2021 19:24:33 +0200
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Subject: [PATCH] mptcpize: force MPTCP usage for IPPROTO_IP, too (#159)
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The current ignores calls alike:
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socket(AF_INET, SOCK_STREAM, IPPROTO_IP)
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We should hijack them, too.
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---
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src/mptcpwrap.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/src/mptcpwrap.c b/src/mptcpwrap.c
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index 37b0545..1aaf00f 100644
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--- a/src/mptcpwrap.c
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+++ b/src/mptcpwrap.c
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@@ -27,7 +27,7 @@ int __attribute__((visibility("default"))) socket(int family, int type, int prot
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goto do_socket;
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// socket(AF_INET, SOCK_STREM, 0) maps to TCP, too
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- if (protocol == 0 && protocol != IPPROTO_TCP)
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+ if (protocol != 0 && protocol != IPPROTO_TCP)
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goto do_socket;
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protocol = IPPROTO_TCP + 256;
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--
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2.31.1
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@ -0,0 +1,75 @@
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From 591b3b168d949c45d5b5994332a3007767845434 Mon Sep 17 00:00:00 2001
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Message-Id: <591b3b168d949c45d5b5994332a3007767845434.1638277575.git.dcaratti@redhat.com>
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From: Paolo Abeni <paolo.abeni@gmail.com>
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Date: Thu, 14 Oct 2021 05:05:54 +0200
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Subject: [PATCH] mptcpize: use explicit file copy instead of rename() (#161)
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The mentioned syscall fails if the involved files belong to
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different fs, which is pretty much expected in the relevant
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scenario (tmp file, in tmpfs, and unit file usually under the
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root partition)
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Instead use sendfile() to explicitly copy all the contents. Note
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that we need to close and re-open the unit file, as sendfile()
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expect a O_WRITE fd as the target.
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---
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src/mptcpize.c | 24 ++++++++++++++++++++----
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1 file changed, 20 insertions(+), 4 deletions(-)
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diff --git a/src/mptcpize.c b/src/mptcpize.c
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index cb79e09..b502d75 100644
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--- a/src/mptcpize.c
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+++ b/src/mptcpize.c
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@@ -13,6 +13,7 @@
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#include <sys/types.h>
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#include <sys/stat.h>
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+#include <sys/sendfile.h>
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#include <argp.h>
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#include <dlfcn.h>
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@@ -163,10 +164,12 @@ static int unit_update(int argc, char *argv[], int enable)
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char *unit, *line = NULL;
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int append_env = enable;
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char dst_path[PATH_MAX];
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+ off_t bytes_copied = 0;
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+ struct stat fileinfo;
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+ int dst, unit_fd;
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size_t len = 0;
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ssize_t read;
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FILE *src;
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- int dst;
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if (argc < 1) {
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fprintf(stderr, "missing unit argument\n");
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@@ -210,11 +213,24 @@ static int unit_update(int argc, char *argv[], int enable)
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error(1, errno, "can't read from %s", unit);
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free(line);
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fclose(src);
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- close(dst);
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- if (rename(dst_path, unit) < 0)
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- error(1, errno, "can't rename %s to %s", dst_path, unit);
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+ // copy back the modified file into the original unit
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+ // note: avoid using rename, as it fails across filesystems
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+ if (fstat(dst, &fileinfo) < 0)
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+ error(1, errno, "can't stat %s", dst_path);
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+
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+ // re-open the unit file for writing
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+ // mkstemp already opened the temporary file for R/W so we don't need
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+ // to touch that file descriptor.
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+ unit_fd = open(unit, O_TRUNC | O_RDWR);
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+ if (unit_fd < 0)
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+ error(1, errno, "can't open %s for writing", unit);
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+ while (bytes_copied < fileinfo.st_size)
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+ if (sendfile(unit_fd, dst, &bytes_copied, fileinfo.st_size - bytes_copied) < 0)
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+ error(1, errno, "can't copy from %s to %s", dst_path, unit);
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+
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+ close(dst);
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if (system("systemctl daemon-reload") != 0)
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error(1, errno, "can't reload unit, manual 'systemctl daemon-reload' is required");
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--
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2.31.1
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@ -0,0 +1,24 @@
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diff --git a/etc/mptcpd.conf.in b/etc/mptcpd.conf.in
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index 615c63b..c6b31ac 100644
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--- a/etc/mptcpd.conf.in
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+++ b/etc/mptcpd.conf.in
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@@ -19,7 +19,6 @@ log=@mptcpd_logger@
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# ----------------
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# Plugin directory
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# ----------------
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-plugin-dir=@pkglibdir@
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# -------------------
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# Path manager plugin
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diff --git a/src/mptcp.service.in b/src/mptcp.service.in
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index 89dfe04..738f59f 100644
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--- a/src/mptcp.service.in
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+++ b/src/mptcp.service.in
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@@ -9,7 +9,6 @@ Documentation=man:mptcpd(8)
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[Service]
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Type=simple
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DynamicUser=yes
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-Environment=LD_LIBRARY_PATH=@libdir@
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ExecStart=@libexecdir@/mptcpd --log=journal
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CapabilityBoundingSet=CAP_NET_ADMIN
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AmbientCapabilities=CAP_NET_ADMIN
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@ -0,0 +1,102 @@
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--- a/configure.ac
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+++ b/configure.ac
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@@ -207,8 +207,7 @@ AC_CHECK_HEADERS([linux/mptcp.h],
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AX_CHECK_DEFINE(
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[linux/mptcp.h],
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[MPTCP_PM_NAME],
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- [AC_DEFINE([HAVE_LINUX_MPTCP_H_UPSTREAM], [1])
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- AX_CHECK_DEFINE([linux/mptcp.h],
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+ [AX_CHECK_DEFINE([linux/mptcp.h],
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[MPTCP_PM_EV_GRP_NAME],
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[AC_DEFINE([HAVE_LINUX_MPTCP_H_UPSTREAM_EVENTS],
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[1])
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--- a/include/linux/mptcp_upstream.h
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+++ b/include/linux/mptcp_upstream.h
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@@ -2,8 +2,16 @@
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#ifndef _UAPI_MPTCP_H
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#define _UAPI_MPTCP_H
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+#ifndef __KERNEL__
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+#include <netinet/in.h> /* for sockaddr_in and sockaddr_in6 */
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+#include <sys/socket.h> /* for struct sockaddr */
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+#endif
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+
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#include <linux/const.h>
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#include <linux/types.h>
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+#include <linux/in.h> /* for sockaddr_in */
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+#include <linux/in6.h> /* for sockaddr_in6 */
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+#include <linux/socket.h> /* for sockaddr_storage and sa_family */
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#define MPTCP_SUBFLOW_FLAG_MCAP_REM _BITUL(0)
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#define MPTCP_SUBFLOW_FLAG_MCAP_LOC _BITUL(1)
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@@ -48,6 +56,9 @@ enum {
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MPTCP_PM_ATTR_ADDR, /* nested address */
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MPTCP_PM_ATTR_RCV_ADD_ADDRS, /* u32 */
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MPTCP_PM_ATTR_SUBFLOWS, /* u32 */
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+ MPTCP_PM_ATTR_TOKEN, /* u32 */
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+ MPTCP_PM_ATTR_LOC_ID, /* u8 */
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+ MPTCP_PM_ATTR_ADDR_REMOTE, /* nested address */
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__MPTCP_PM_ATTR_MAX
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};
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@@ -73,6 +84,8 @@ enum {
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#define MPTCP_PM_ADDR_FLAG_SIGNAL (1 << 0)
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#define MPTCP_PM_ADDR_FLAG_SUBFLOW (1 << 1)
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#define MPTCP_PM_ADDR_FLAG_BACKUP (1 << 2)
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+#define MPTCP_PM_ADDR_FLAG_FULLMESH (1 << 3)
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+#define MPTCP_PM_ADDR_FLAG_IMPLICIT (1 << 4)
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enum {
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MPTCP_PM_CMD_UNSPEC,
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@@ -84,6 +97,10 @@ enum {
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MPTCP_PM_CMD_SET_LIMITS,
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MPTCP_PM_CMD_GET_LIMITS,
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MPTCP_PM_CMD_SET_FLAGS,
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+ MPTCP_PM_CMD_ANNOUNCE,
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+ MPTCP_PM_CMD_REMOVE,
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+ MPTCP_PM_CMD_SUBFLOW_CREATE,
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+ MPTCP_PM_CMD_SUBFLOW_DESTROY,
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__MPTCP_PM_CMD_AFTER_LAST
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};
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@@ -177,6 +194,7 @@ enum mptcp_event_attr {
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MPTCP_ATTR_IF_IDX, /* s32 */
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MPTCP_ATTR_RESET_REASON,/* u32 */
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MPTCP_ATTR_RESET_FLAGS, /* u32 */
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+ MPTCP_ATTR_SERVER_SIDE, /* u8 */
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__MPTCP_ATTR_AFTER_LAST
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};
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@@ -192,4 +210,32 @@ enum mptcp_event_attr {
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#define MPTCP_RST_EBADPERF 5
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#define MPTCP_RST_EMIDDLEBOX 6
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+struct mptcp_subflow_data {
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+ __u32 size_subflow_data; /* size of this structure in userspace */
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+ __u32 num_subflows; /* must be 0, set by kernel */
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+ __u32 size_kernel; /* must be 0, set by kernel */
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+ __u32 size_user; /* size of one element in data[] */
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+} __attribute__((aligned(8)));
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+
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+struct mptcp_subflow_addrs {
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+ union {
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+ __kernel_sa_family_t sa_family;
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+ struct sockaddr sa_local;
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+ struct sockaddr_in sin_local;
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+ struct sockaddr_in6 sin6_local;
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+ struct __kernel_sockaddr_storage ss_local;
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+ };
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+ union {
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+ struct sockaddr sa_remote;
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+ struct sockaddr_in sin_remote;
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+ struct sockaddr_in6 sin6_remote;
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+ struct __kernel_sockaddr_storage ss_remote;
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+ };
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+};
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+
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+/* MPTCP socket options */
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+#define MPTCP_INFO 1
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+#define MPTCP_TCPINFO 2
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+#define MPTCP_SUBFLOW_ADDRS 3
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+
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#endif /* _UAPI_MPTCP_H */
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