Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / include / uapi / linux / netfilter / xt_osf.h

diff --git a/kernel/include/uapi/linux/netfilter/xt_osf.h b/kernel/include/uapi/linux/netfilter/xt_osf.h
new file mode 100644 (file)
index 0000000..5d66cae
--- /dev/null
+++ b/kernel/include/uapi/linux/netfilter/xt_osf.h
@@ -0,0 +1,134 @@
+/*
+ * Copyright (c) 2003+ Evgeniy Polyakov <johnpol@2ka.mxt.ru>
+ *
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef _XT_OSF_H
+#define _XT_OSF_H
+
+#include <linux/types.h>
+
+#define MAXGENRELEN            32
+
+#define XT_OSF_GENRE           (1<<0)
+#define        XT_OSF_TTL              (1<<1)
+#define XT_OSF_LOG             (1<<2)
+#define XT_OSF_INVERT          (1<<3)
+
+#define XT_OSF_LOGLEVEL_ALL    0       /* log all matched fingerprints */
+#define XT_OSF_LOGLEVEL_FIRST  1       /* log only the first matced fingerprint */
+#define XT_OSF_LOGLEVEL_ALL_KNOWN      2 /* do not log unknown packets */
+
+#define XT_OSF_TTL_TRUE                0       /* True ip and fingerprint TTL comparison */
+#define XT_OSF_TTL_LESS                1       /* Check if ip TTL is less than fingerprint one */
+#define XT_OSF_TTL_NOCHECK     2       /* Do not compare ip and fingerprint TTL at all */
+
+struct xt_osf_info {
+       char                    genre[MAXGENRELEN];
+       __u32                   len;
+       __u32                   flags;
+       __u32                   loglevel;
+       __u32                   ttl;
+};
+
+/*
+ * Wildcard MSS (kind of).
+ * It is used to implement a state machine for the different wildcard values
+ * of the MSS and window sizes.
+ */
+struct xt_osf_wc {
+       __u32                   wc;
+       __u32                   val;
+};
+
+/*
+ * This struct represents IANA options
+ * http://www.iana.org/assignments/tcp-parameters
+ */
+struct xt_osf_opt {
+       __u16                   kind, length;
+       struct xt_osf_wc        wc;
+};
+
+struct xt_osf_user_finger {
+       struct xt_osf_wc        wss;
+
+       __u8                    ttl, df;
+       __u16                   ss, mss;
+       __u16                   opt_num;
+
+       char                    genre[MAXGENRELEN];
+       char                    version[MAXGENRELEN];
+       char                    subtype[MAXGENRELEN];
+
+       /* MAX_IPOPTLEN is maximum if all options are NOPs or EOLs */
+       struct xt_osf_opt       opt[MAX_IPOPTLEN];
+};
+
+struct xt_osf_nlmsg {
+       struct xt_osf_user_finger       f;
+       struct iphdr            ip;
+       struct tcphdr           tcp;
+};
+
+/* Defines for IANA option kinds */
+
+enum iana_options {
+       OSFOPT_EOL = 0,         /* End of options */
+       OSFOPT_NOP,             /* NOP */
+       OSFOPT_MSS,             /* Maximum segment size */
+       OSFOPT_WSO,             /* Window scale option */
+       OSFOPT_SACKP,           /* SACK permitted */
+       OSFOPT_SACK,            /* SACK */
+       OSFOPT_ECHO,
+       OSFOPT_ECHOREPLY,
+       OSFOPT_TS,              /* Timestamp option */
+       OSFOPT_POCP,            /* Partial Order Connection Permitted */
+       OSFOPT_POSP,            /* Partial Order Service Profile */
+
+       /* Others are not used in the current OSF */
+       OSFOPT_EMPTY = 255,
+};
+
+/*
+ * Initial window size option state machine: multiple of mss, mtu or
+ * plain numeric value. Can also be made as plain numeric value which
+ * is not a multiple of specified value.
+ */
+enum xt_osf_window_size_options {
+       OSF_WSS_PLAIN   = 0,
+       OSF_WSS_MSS,
+       OSF_WSS_MTU,
+       OSF_WSS_MODULO,
+       OSF_WSS_MAX,
+};
+
+/*
+ * Add/remove fingerprint from the kernel.
+ */
+enum xt_osf_msg_types {
+       OSF_MSG_ADD,
+       OSF_MSG_REMOVE,
+       OSF_MSG_MAX,
+};
+
+enum xt_osf_attr_type {
+       OSF_ATTR_UNSPEC,
+       OSF_ATTR_FINGER,
+       OSF_ATTR_MAX,
+};
+
+#endif                         /* _XT_OSF_H */