1 files changed, 117 insertions, 0 deletions

diff --git a/include/uapi/linux/atmbr2684.h b/include/uapi/linux/atmbr2684.h
new file mode 100644
index 00000000000..fdb2629b618
--- /dev/null
+++ b/include/uapi/linux/atmbr2684.h
@@ -0,0 +1,117 @@
+#ifndef _LINUX_ATMBR2684_H
+#define _LINUX_ATMBR2684_H
+
+#include <linux/types.h>
+#include <linux/atm.h>
+#include <linux/if.h>           /* For IFNAMSIZ */
+
+/*
+ * Type of media we're bridging (ethernet, token ring, etc)  Currently only
+ * ethernet is supported
+ */
+#define BR2684_MEDIA_ETHERNET   (0)     /* 802.3 */
+#define BR2684_MEDIA_802_4      (1)     /* 802.4 */
+#define BR2684_MEDIA_TR         (2)     /* 802.5 - token ring */
+#define BR2684_MEDIA_FDDI       (3)
+#define BR2684_MEDIA_802_6      (4)     /* 802.6 */
+
+                                        /* used only at device creation:  */
+#define BR2684_FLAG_ROUTED      (1<<16) /* payload is routed, not bridged */
+
+/*
+ * Is there FCS inbound on this VC?  This currently isn't supported.
+ */
+#define BR2684_FCSIN_NO         (0)
+#define BR2684_FCSIN_IGNORE     (1)
+#define BR2684_FCSIN_VERIFY     (2)
+
+/*
+ * Is there FCS outbound on this VC?  This currently isn't supported.
+ */
+#define BR2684_FCSOUT_NO        (0)
+#define BR2684_FCSOUT_SENDZERO  (1)
+#define BR2684_FCSOUT_GENERATE  (2)
+
+/*
+ * Does this VC include LLC encapsulation?
+ */
+#define BR2684_ENCAPS_VC        (0)     /* VC-mux */
+#define BR2684_ENCAPS_LLC       (1)
+#define BR2684_ENCAPS_AUTODETECT (2)    /* Unsuported */
+
+/*
+ * Is this VC bridged or routed?
+ */
+
+#define BR2684_PAYLOAD_ROUTED   (0)
+#define BR2684_PAYLOAD_BRIDGED  (1)
+
+/*
+ * This is for the ATM_NEWBACKENDIF call - these are like socket families:
+ * the first element of the structure is the backend number and the rest
+ * is per-backend specific
+ */
+struct atm_newif_br2684 {
+        atm_backend_t backend_num;      /* ATM_BACKEND_BR2684 */
+        int media;              /* BR2684_MEDIA_*, flags in upper bits */
+        char ifname[IFNAMSIZ];
+        int mtu;
+};
+
+/*
+ * This structure is used to specify a br2684 interface - either by a
+ * positive integer (returned by ATM_NEWBACKENDIF) or the interfaces name
+ */
+#define BR2684_FIND_BYNOTHING   (0)
+#define BR2684_FIND_BYNUM       (1)
+#define BR2684_FIND_BYIFNAME    (2)
+struct br2684_if_spec {
+        int method;             /* BR2684_FIND_* */
+        union {
+                char ifname[IFNAMSIZ];
+                int devnum;
+        } spec;
+};
+
+/*
+ * This is for the ATM_SETBACKEND call - these are like socket families:
+ * the first element of the structure is the backend number and the rest
+ * is per-backend specific
+ */
+struct atm_backend_br2684 {
+        atm_backend_t backend_num;      /* ATM_BACKEND_BR2684 */
+        struct br2684_if_spec ifspec;
+        int fcs_in;             /* BR2684_FCSIN_* */
+        int fcs_out;            /* BR2684_FCSOUT_* */
+        int fcs_auto;           /* 1: fcs_{in,out} disabled if no FCS rx'ed */
+        int encaps;             /* BR2684_ENCAPS_* */
+        int has_vpiid;          /* 1: use vpn_id - Unsupported */
+        __u8 vpn_id[7];
+        int send_padding;       /* unsupported */
+        int min_size;           /* we will pad smaller packets than this */
+};
+
+/*
+ * The BR2684_SETFILT ioctl is an experimental mechanism for folks
+ * terminating a large number of IP-only vcc's.  When netfilter allows
+ * efficient per-if in/out filters, this support will be removed
+ */
+struct br2684_filter {
+        __be32 prefix;          /* network byte order */
+        __be32 netmask;         /* 0 = disable filter */
+};
+
+struct br2684_filter_set {
+        struct br2684_if_spec ifspec;
+        struct br2684_filter filter;
+};
+
+enum br2684_payload {
+        p_routed = BR2684_PAYLOAD_ROUTED,
+        p_bridged = BR2684_PAYLOAD_BRIDGED,
+};
+
+#define BR2684_SETFILT  _IOW( 'a', ATMIOC_BACKEND + 0, \
+                                struct br2684_filter_set)
+
+#endif /* _LINUX_ATMBR2684_H */