+++ /dev/null
-diff -Nur linux.old/net/atm/br2684.c linux.new/net/atm/br2684.c
---- linux.old/net/atm/br2684.c 2004-08-08 01:26:06.000000000 +0200
-+++ linux.new/net/atm/br2684.c 2005-11-13 00:04:15.000000000 +0100
-@@ -16,12 +16,9 @@
- #include <linux/ip.h>
- #include <asm/uaccess.h>
- #include <net/arp.h>
--#include <linux/atm.h>
--#include <linux/atmdev.h>
-
- #include <linux/atmbr2684.h>
-
--#include "common.h"
- #include "ipcommon.h"
-
- /*
-@@ -55,36 +52,57 @@
- #define skb_debug(skb) do {} while (0)
- #endif
-
-+#define BR2684_LLC_LEN 3
-+#define BR2684_SNAP_LEN 3
-+#define BR2684_ETHERTYPE_LEN 2
-+#define BR2684_PID_LEN 2
-+#define BR2684_PAD_LEN 2
-+
-+static unsigned char llc_common[] = { 0xaa, 0xaa, 0x03 };
-+static unsigned char snap_bridged[] = { 0x00, 0x80, 0xc2 };
-+static unsigned char snap_routed[] = { 0x00, 0x00, 0x00 };
-+static unsigned char pid_ipv4[] = { 0x00, 0x07 };
-+static unsigned char ethertype_ipv4[] = { 0x08, 0x00 };
-+static unsigned char ethertype_ipv6[] = { 0x86, 0xdd };
-+static unsigned char pad_bridged[] = { 0x00, 0x00 };
-+
- static unsigned char llc_oui_pid_pad[] =
- { 0xAA, 0xAA, 0x03, 0x00, 0x80, 0xC2, 0x00, 0x07, 0x00, 0x00 };
-+static unsigned char llc_oui_ipv6[] =
-+ { 0xAA, 0xAA, 0x03, 0x00, 0x00, 0x00, 0x86, 0xdd };
-+static unsigned char llc_oui_ipv4[] =
-+ { 0xAA, 0xAA, 0x03, 0x00, 0x00, 0x00, 0x08, 0x00 };
- #define PADLEN (2)
-
- enum br2684_encaps {
-- e_vc = BR2684_ENCAPS_VC,
-+ e_vc = BR2684_ENCAPS_VC,
- e_llc = BR2684_ENCAPS_LLC,
- };
-
-+
-+
- struct br2684_vcc {
-- struct atm_vcc *atmvcc;
-+ struct atm_vcc *atmvcc;
- struct br2684_dev *brdev;
- /* keep old push,pop functions for chaining */
-- void (*old_push)(struct atm_vcc *vcc,struct sk_buff *skb);
-+ void (*old_push) (struct atm_vcc * vcc, struct sk_buff * skb);
- /* void (*old_pop)(struct atm_vcc *vcc,struct sk_buff *skb); */
- enum br2684_encaps encaps;
-+ enum br2684_payload payload;
- struct list_head brvccs;
- #ifdef CONFIG_ATM_BR2684_IPFILTER
- struct br2684_filter filter;
--#endif /* CONFIG_ATM_BR2684_IPFILTER */
-+#endif /* CONFIG_ATM_BR2684_IPFILTER */
- #ifndef FASTER_VERSION
- unsigned copies_needed, copies_failed;
--#endif /* FASTER_VERSION */
-+#endif /* FASTER_VERSION */
- };
-
- struct br2684_dev {
- struct net_device net_dev;
- struct list_head br2684_devs;
- int number;
-- struct list_head brvccs; /* one device <=> one vcc (before xmas) */
-+ struct list_head brvccs; /* one device <=> one vcc (before xmas) */
- struct net_device_stats stats;
- int mac_was_set;
- };
-@@ -173,24 +197,84 @@
- }
- skb = skb2;
- }
-- skb_push(skb, minheadroom);
-- if (brvcc->encaps == e_llc)
-- memcpy(skb->data, llc_oui_pid_pad, 10);
-- else
-- memset(skb->data, 0, 2);
--#endif /* FASTER_VERSION */
-+
-+ /* This skb_push is a problem: routed packets need less headroom than
-+ * bridged packets.
-+ */
-+
-+/* skb_push(skb, minheadroom); */
-+ if (brvcc->encaps == e_llc) {
-+ int offset = 0;
-+ int actual_headroom;
-+
-+ actual_headroom =
-+ BR2684_LLC_LEN +
-+ BR2684_SNAP_LEN +
-+ ((brvcc->payload == p_bridged) ?
-+ (BR2684_PID_LEN + BR2684_PAD_LEN) :
-+ BR2684_ETHERTYPE_LEN);
-+
-+ skb_push(skb, actual_headroom);
-+ memcpy(skb->data, llc_common, BR2684_LLC_LEN);
-+ offset += BR2684_LLC_LEN;
-+
-+ if (brvcc->payload == p_bridged) {
-+ memcpy(skb->data + offset, snap_bridged,
-+ BR2684_SNAP_LEN);
-+ offset += BR2684_SNAP_LEN;
-+ /* pid_ipv4 is poorly named. should probably be
-+ * pid_ethernet
-+ */
-+ memcpy(skb->data + offset, pid_ipv4,
-+ BR2684_PID_LEN);
-+ offset += BR2684_PID_LEN;
-+ memcpy(skb->data + offset, pad_bridged,
-+ BR2684_PAD_LEN);
-+ offset += BR2684_PAD_LEN;
-+ } else if (brvcc->payload == p_routed) {
-+ unsigned short prot =
-+ __constant_ntohs(skb->protocol);
-+ memcpy(skb->data + offset, snap_routed,
-+ BR2684_SNAP_LEN);
-+ offset += BR2684_SNAP_LEN;
-+
-+ switch (prot) {
-+ case ETH_P_IP:
-+ memcpy(skb->data + offset,
-+ ethertype_ipv4,
-+ BR2684_ETHERTYPE_LEN);
-+ break;
-+ case ETH_P_IPV6:
-+ memcpy(skb->data + offset,
-+ ethertype_ipv6,
-+ BR2684_ETHERTYPE_LEN);
-+ break;
-+ default:
-+ dev_kfree_skb(skb);
-+ return 0;
-+ }
-+ offset += BR2684_ETHERTYPE_LEN;
-+
-+ }
-+ } else {
-+ skb_push(skb, 2);
-+ if (brvcc->payload == p_bridged)
-+ memset(skb->data, 0, 2);
-+ }
-+#endif /* FASTER_VERSION */
- skb_debug(skb);
-
- ATM_SKB(skb)->vcc = atmvcc = brvcc->atmvcc;
-- DPRINTK("atm_skb(%p)->vcc(%p)->dev(%p)\n", skb, atmvcc, atmvcc->dev);
-+ DPRINTK("atm_skb(%p)->vcc(%p)->dev(%p)\n", skb, atmvcc,
-+ atmvcc->dev);
- if (!atm_may_send(atmvcc, skb->truesize)) {
- /* we free this here for now, because we cannot know in a higher
-- layer whether the skb point it supplied wasn't freed yet.
-- now, it always is.
-- */
-+ layer whether the skb point it supplied wasn't freed yet.
-+ now, it always is.
-+ */
- dev_kfree_skb(skb);
- return 0;
-- }
-+ }
- atomic_add(skb->truesize, &atmvcc->sk->wmem_alloc);
- ATM_SKB(skb)->atm_options = atmvcc->atm_options;
- brdev->stats.tx_packets++;
-@@ -428,18 +512,39 @@
- atm_return(atmvcc, skb->truesize);
- DPRINTK("skb from brdev %p\n", brdev);
- if (brvcc->encaps == e_llc) {
-+ /* accept packets that have "ipv[46]" in the snap header */
-+ /* 8 - 2 == sizeof(llc_oui_ipv6) - BR2684_ETHERTYPE_LEN */
-+ if (memcmp(skb->data, llc_oui_ipv6, 8 - 2) == 0) {
-+ plen = sizeof(llc_oui_ipv6);
-+
-+ if (memcmp(skb->data + 6, ethertype_ipv6, 2) == 0)
-+ skb->protocol =
-+ __constant_htons(ETH_P_IPV6);
-+ else if (memcmp(skb->data + 6, ethertype_ipv4, 2)
-+ == 0)
-+ skb->protocol = __constant_htons(ETH_P_IP);
-+ else {
-+ brdev->stats.rx_errors++;
-+ dev_kfree_skb(skb);
-+ return;
-+ }
-+ skb_pull(skb, plen);
-+ skb->nh.raw = skb->data;
-+ skb->pkt_type = PACKET_HOST;
-+ }
-+
- /* let us waste some time for checking the encapsulation.
- Note, that only 7 char is checked so frames with a valid FCS
- are also accepted (but FCS is not checked of course) */
-- if (memcmp(skb->data, llc_oui_pid_pad, 7)) {
-+ else if (memcmp(skb->data, llc_oui_pid_pad, 7) == 0) {
-+ skb_pull(skb, plen - ETH_HLEN);
-+ skb->protocol =
-+ eth_type_trans(skb, &brdev->net_dev);
-+ } else {
- brdev->stats.rx_errors++;
- dev_kfree_skb(skb);
- return;
- }
--
-- /* Strip FCS if present */
-- if (skb->len > 7 && skb->data[7] == 0x01)
-- __skb_trim(skb, skb->len - 4);
- } else {
- plen = PADLEN + ETH_HLEN; /* pad, dstmac,srcmac, ethtype */
- /* first 2 chars should be 0 */
-@@ -448,13 +553,14 @@
- dev_kfree_skb(skb);
- return;
- }
-+ skb_pull(skb, plen - ETH_HLEN);
-+ skb->protocol = eth_type_trans(skb, &brdev->net_dev);
- }
- if (skb->len < plen) {
- brdev->stats.rx_errors++;
- dev_kfree_skb(skb); /* dev_ not needed? */
- return;
- }
--
- #ifdef FASTER_VERSION
- /* FIXME: tcpdump shows that pointer to mac header is 2 bytes earlier,
- than should be. What else should I set? */
-@@ -465,30 +571,29 @@
- skb->protocol = ((u16 *) skb->data)[-1];
- #else /* some protocols might require this: */
- skb->protocol = br_type_trans(skb, &brdev->net_dev);
--#endif /* CONFIG_BR2684_FAST_TRANS */
-+#endif /* CONFIG_BR2684_FAST_TRANS */
- #else
-- skb_pull(skb, plen - ETH_HLEN);
-- skb->protocol = eth_type_trans(skb, &brdev->net_dev);
--#endif /* FASTER_VERSION */
-+ /* skb_pull(skb, plen - ETH_HLEN); */
-+ /* skb->protocol = eth_type_trans(skb, &brdev->net_dev); */
-+#endif /* FASTER_VERSION */
- #ifdef CONFIG_ATM_BR2684_IPFILTER
- if (packet_fails_filter(skb->protocol, brvcc, skb)) {
- brdev->stats.rx_dropped++;
- dev_kfree_skb(skb);
- return;
- }
--#endif /* CONFIG_ATM_BR2684_IPFILTER */
-+#endif /* CONFIG_ATM_BR2684_IPFILTER */
- skb->dev = &brdev->net_dev;
-- ATM_SKB(skb)->vcc = atmvcc; /* needed ? */
-+ /* ATM_SKB(skb)->vcc = atmvcc; *//* needed ? */
- DPRINTK("received packet's protocol: %x\n", ntohs(skb->protocol));
- skb_debug(skb);
-- if (!(brdev->net_dev.flags & IFF_UP)) { /* sigh, interface is down */
-+ if (!(brdev->net_dev.flags & IFF_UP)) { /* sigh, interface is down */
- brdev->stats.rx_dropped++;
- dev_kfree_skb(skb);
- return;
- }
- brdev->stats.rx_packets++;
- brdev->stats.rx_bytes += skb->len;
-- memset(ATM_SKB(skb), 0, sizeof(struct atm_skb_data));
- netif_rx(skb);
- }
-
-@@ -525,10 +630,10 @@
- err = -EEXIST;
- goto error;
- }
-- if (be.fcs_in != BR2684_FCSIN_NO || be.fcs_out != BR2684_FCSOUT_NO ||
-- be.fcs_auto || be.has_vpiid || be.send_padding || (be.encaps !=
-- BR2684_ENCAPS_VC && be.encaps != BR2684_ENCAPS_LLC) ||
-- be.min_size != 0) {
-+ if (be.fcs_in != BR2684_FCSIN_NO || be.fcs_out != BR2684_FCSOUT_NO
-+ || be.fcs_auto || be.has_vpiid || be.send_padding
-+ || (be.encaps != BR2684_ENCAPS_VC
-+ && be.encaps != BR2684_ENCAPS_LLC) || be.min_size != 0) {
- err = -EINVAL;
- goto error;
- }
-@@ -554,18 +659,21 @@
- brvcc->atmvcc = atmvcc;
- atmvcc->user_back = brvcc;
- brvcc->encaps = (enum br2684_encaps) be.encaps;
-+ brvcc->payload = (enum br2684_payload) be.payload;
- brvcc->old_push = atmvcc->push;
- barrier();
- atmvcc->push = br2684_push;
- skb_queue_head_init(©);
- skb_migrate(&atmvcc->sk->receive_queue, ©);
- while ((skb = skb_dequeue(©))) {
-+#ifdef notdef
- BRPRIV(skb->dev)->stats.rx_bytes -= skb->len;
- BRPRIV(skb->dev)->stats.rx_packets--;
-+#endif
- br2684_push(atmvcc, skb);
- }
- return 0;
-- error:
-+ error:
- write_unlock_irq(&devs_lock);
- MOD_DEC_USE_COUNT;
- return err;
-@@ -608,12 +717,25 @@
-
- if (ni.ifname[0] != '\0') {
- memcpy(brdev->net_dev.name, ni.ifname,
-- sizeof(brdev->net_dev.name));
-- brdev->net_dev.name[sizeof(brdev->net_dev.name) - 1] = '\0';
-+ sizeof(brdev->net_dev.name));
-+ brdev->net_dev.name[sizeof(brdev->net_dev.name) - 1] =
-+ '\0';
- } else
- sprintf(brdev->net_dev.name, "nas%d", brdev->number);
- DPRINTK("registered netdev %s\n", brdev->net_dev.name);
-- ether_setup(&brdev->net_dev);
-+ if (ni.payload == p_routed) {
-+ brdev->net_dev.hard_header_len = 0;
-+ brdev->net_dev.addr_len = 0;
-+ brdev->net_dev.mtu = 1500;
-+
-+ /* Type PPP seems most suitable */
-+ brdev->net_dev.type = ARPHRD_PPP;
-+ brdev->net_dev.flags =
-+ IFF_POINTOPOINT | IFF_NOARP | IFF_MULTICAST;
-+ brdev->net_dev.tx_queue_len = 100;
-+ } else {
-+ ether_setup(&brdev->net_dev);
-+ }
- brdev->mac_was_set = 0;
- #ifdef FASTER_VERSION
- my_eth_header = brdev->net_dev.hard_header;
-@@ -677,12 +799,11 @@
- err = br2684_setfilt(atmvcc, arg);
- MOD_DEC_USE_COUNT;
- return err;
--#endif /* CONFIG_ATM_BR2684_IPFILTER */
-+#endif /* CONFIG_ATM_BR2684_IPFILTER */
- }
- return -ENOIOCTLCMD;
- }
-
--#ifdef CONFIG_PROC_FS
- /* Never put more than 256 bytes in at once */
- static int br2684_proc_engine(loff_t pos, char *buf)
- {
-@@ -692,52 +813,62 @@
- list_for_each(lhd, &br2684_devs) {
- brdev = list_entry_brdev(lhd);
- if (pos-- == 0)
-- return sprintf(buf, "dev %.16s: num=%d, mac=%02X:%02X:"
-- "%02X:%02X:%02X:%02X (%s)\n", brdev->net_dev.name,
-- brdev->number,
-- brdev->net_dev.dev_addr[0],
-- brdev->net_dev.dev_addr[1],
-- brdev->net_dev.dev_addr[2],
-- brdev->net_dev.dev_addr[3],
-- brdev->net_dev.dev_addr[4],
-- brdev->net_dev.dev_addr[5],
-- brdev->mac_was_set ? "set" : "auto");
-+ return sprintf(buf,
-+ "dev %.16s: num=%d, mac=%02X:%02X:"
-+ "%02X:%02X:%02X:%02X (%s)\n",
-+ brdev->net_dev.name, brdev->number,
-+ brdev->net_dev.dev_addr[0],
-+ brdev->net_dev.dev_addr[1],
-+ brdev->net_dev.dev_addr[2],
-+ brdev->net_dev.dev_addr[3],
-+ brdev->net_dev.dev_addr[4],
-+ brdev->net_dev.dev_addr[5],
-+ brdev->
-+ mac_was_set ? "set" : "auto");
- list_for_each(lhc, &brdev->brvccs) {
- brvcc = list_entry_brvcc(lhc);
- if (pos-- == 0)
-- return sprintf(buf, " vcc %d.%d.%d: encaps=%s"
-+ return sprintf(buf,
-+ " vcc %d.%d.%d: encaps=%s"
-+ ", payload=%s"
- #ifndef FASTER_VERSION
-- ", failed copies %u/%u"
--#endif /* FASTER_VERSION */
-- "\n", brvcc->atmvcc->dev->number,
-- brvcc->atmvcc->vpi, brvcc->atmvcc->vci,
-- (brvcc->encaps == e_llc) ? "LLC" : "VC"
-+ ", failed copies %u/%u"
-+#endif /* FASTER_VERSION */
-+ "\n",
-+ brvcc->atmvcc->dev->number,
-+ brvcc->atmvcc->vpi,
-+ brvcc->atmvcc->vci,
-+ (brvcc->encaps ==
-+ e_llc) ? "LLC" : "VC",
-+ (brvcc->payload ==
-+ p_bridged) ? "bridged" :
-+ "routed"
- #ifndef FASTER_VERSION
-- , brvcc->copies_failed
-- , brvcc->copies_needed
--#endif /* FASTER_VERSION */
-+ , brvcc->copies_failed,
-+ brvcc->copies_needed
-+#endif /* FASTER_VERSION */
- );
- #ifdef CONFIG_ATM_BR2684_IPFILTER
- #define b1(var, byte) ((u8 *) &brvcc->filter.var)[byte]
- #define bs(var) b1(var, 0), b1(var, 1), b1(var, 2), b1(var, 3)
- if (brvcc->filter.netmask != 0 && pos-- == 0)
-- return sprintf(buf, " filter=%d.%d.%d.%d/"
-- "%d.%d.%d.%d\n", bs(prefix), bs(netmask));
-+ return sprintf(buf,
-+ " filter=%d.%d.%d.%d/"
-+ "%d.%d.%d.%d\n", bs(prefix),
-+ bs(netmask));
- #undef bs
- #undef b1
--#endif /* CONFIG_ATM_BR2684_IPFILTER */
-+#endif /* CONFIG_ATM_BR2684_IPFILTER */
- }
- }
- return 0;
- }
-
- static ssize_t br2684_proc_read(struct file *file, char *buf, size_t count,
-- loff_t *pos)
-+ loff_t * pos)
- {
- unsigned long page;
- int len = 0, x, left;
-- loff_t n = *pos;
--
- page = get_free_page(GFP_KERNEL);
- if (!page)
- return -ENOMEM;
-@@ -746,7 +877,7 @@
- left = count;
- read_lock(&devs_lock);
- for (;;) {
-- x = br2684_proc_engine(n, &((char *) page)[len]);
-+ x = br2684_proc_engine(*pos, &((char *) page)[len]);
- if (x == 0)
- break;
- if (x > left)
-@@ -761,12 +892,11 @@
- }
- len += x;
- left -= x;
-- n++;
-+ (*pos)++;
- if (left < 256)
- break;
- }
- read_unlock(&devs_lock);
-- *pos = n;
- if (len > 0 && copy_to_user(buf, (char *) page, len))
- len = -EFAULT;
- free_page(page);
-@@ -774,34 +904,32 @@
- }
-
- static struct file_operations br2684_proc_operations = {
-- read: br2684_proc_read,
-+ read:br2684_proc_read,
- };
-
- extern struct proc_dir_entry *atm_proc_root; /* from proc.c */
--#endif /* CONFIG_PROC_FS */
-+
-+extern int (*br2684_ioctl_hook) (struct atm_vcc *, unsigned int,
-+ unsigned long);
-
- /* the following avoids some spurious warnings from the compiler */
- #define UNUSED __attribute__((unused))
-
- static int __init UNUSED br2684_init(void)
- {
--#ifdef CONFIG_PROC_FS
- struct proc_dir_entry *p;
- if ((p = create_proc_entry("br2684", 0, atm_proc_root)) == NULL)
- return -ENOMEM;
- p->proc_fops = &br2684_proc_operations;
--#endif /* CONFIG_PROC_FS */
-- br2684_ioctl_set(br2684_ioctl);
-+ br2684_ioctl_hook = br2684_ioctl;
- return 0;
- }
-
- static void __exit UNUSED br2684_exit(void)
- {
- struct br2684_dev *brdev;
-- br2684_ioctl_set(NULL);
--#ifdef CONFIG_PROC_FS
-+ br2684_ioctl_hook = NULL;
- remove_proc_entry("br2684", atm_proc_root);
--#endif /* CONFIG_PROC_FS */
- while (!list_empty(&br2684_devs)) {
- brdev = list_entry_brdev(br2684_devs.next);
- unregister_netdev(&brdev->net_dev);
-diff -Nur linux.old/net/atm/common.c linux.new/net/atm/common.c
---- linux.old/net/atm/common.c 2004-02-18 14:36:32.000000000 +0100
-+++ linux.new/net/atm/common.c 2005-11-13 00:46:11.000000000 +0100
-@@ -158,6 +158,7 @@
- }
- #ifdef CONFIG_ATM_BR2684_MODULE
- EXPORT_SYMBOL(br2684_ioctl_set);
-+EXPORT_SYMBOL(br2684_ioctl_hook);
- #endif
- #endif
-
-diff -Nur linux.old/include/linux/atmbr2684.h linux.new/include/linux/atmbr2684.h
---- linux.old/include/linux/atmbr2684.h 2005-11-13 00:28:19.000000000 +0100
-+++ linux.new/include/linux/atmbr2684.h 2005-11-13 00:06:42.000000000 +0100
-@@ -3,6 +3,7 @@
-
- #include <linux/atm.h>
- #include <linux/if.h> /* For IFNAMSIZ */
-+#include <linux/if_ether.h> /* ETH_P_* */
-
- /*
- * Type of media we're bridging (ethernet, token ring, etc) Currently only
-@@ -36,15 +37,24 @@
- #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_* */
-- char ifname[IFNAMSIZ];
-- int mtu;
-+ atm_backend_t backend_num; /* ATM_BACKEND_BR2684 */
-+ int media; /* BR2684_MEDIA_* */
-+ char ifname[IFNAMSIZ];
-+ int mtu;
-+ int payload; /* bridged or routed */
- };
-
- /*
-@@ -68,16 +78,17 @@
- * is per-backend specific
- */
- struct atm_backend_br2684 {
-- atm_backend_t backend_num; /* 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 */
-+ 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 payload; /* BR2684_PAYLOAD_* */
-+ 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 */
- };
-
- /*
-@@ -95,7 +106,12 @@
- 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 */
-+#endif /* _LINUX_ATMBR2684_H */
--- /dev/null
+diff -Nur linux.old/net/atm/br2684.c linux.new/net/atm/br2684.c
+--- linux.old/net/atm/br2684.c 2004-08-08 01:26:06.000000000 +0200
++++ linux.new/net/atm/br2684.c 2005-11-13 00:04:15.000000000 +0100
+@@ -16,12 +16,9 @@
+ #include <linux/ip.h>
+ #include <asm/uaccess.h>
+ #include <net/arp.h>
+-#include <linux/atm.h>
+-#include <linux/atmdev.h>
+
+ #include <linux/atmbr2684.h>
+
+-#include "common.h"
+ #include "ipcommon.h"
+
+ /*
+@@ -55,36 +52,57 @@
+ #define skb_debug(skb) do {} while (0)
+ #endif
+
++#define BR2684_LLC_LEN 3
++#define BR2684_SNAP_LEN 3
++#define BR2684_ETHERTYPE_LEN 2
++#define BR2684_PID_LEN 2
++#define BR2684_PAD_LEN 2
++
++static unsigned char llc_common[] = { 0xaa, 0xaa, 0x03 };
++static unsigned char snap_bridged[] = { 0x00, 0x80, 0xc2 };
++static unsigned char snap_routed[] = { 0x00, 0x00, 0x00 };
++static unsigned char pid_ipv4[] = { 0x00, 0x07 };
++static unsigned char ethertype_ipv4[] = { 0x08, 0x00 };
++static unsigned char ethertype_ipv6[] = { 0x86, 0xdd };
++static unsigned char pad_bridged[] = { 0x00, 0x00 };
++
+ static unsigned char llc_oui_pid_pad[] =
+ { 0xAA, 0xAA, 0x03, 0x00, 0x80, 0xC2, 0x00, 0x07, 0x00, 0x00 };
++static unsigned char llc_oui_ipv6[] =
++ { 0xAA, 0xAA, 0x03, 0x00, 0x00, 0x00, 0x86, 0xdd };
++static unsigned char llc_oui_ipv4[] =
++ { 0xAA, 0xAA, 0x03, 0x00, 0x00, 0x00, 0x08, 0x00 };
+ #define PADLEN (2)
+
+ enum br2684_encaps {
+- e_vc = BR2684_ENCAPS_VC,
++ e_vc = BR2684_ENCAPS_VC,
+ e_llc = BR2684_ENCAPS_LLC,
+ };
+
++
++
+ struct br2684_vcc {
+- struct atm_vcc *atmvcc;
++ struct atm_vcc *atmvcc;
+ struct br2684_dev *brdev;
+ /* keep old push,pop functions for chaining */
+- void (*old_push)(struct atm_vcc *vcc,struct sk_buff *skb);
++ void (*old_push) (struct atm_vcc * vcc, struct sk_buff * skb);
+ /* void (*old_pop)(struct atm_vcc *vcc,struct sk_buff *skb); */
+ enum br2684_encaps encaps;
++ enum br2684_payload payload;
+ struct list_head brvccs;
+ #ifdef CONFIG_ATM_BR2684_IPFILTER
+ struct br2684_filter filter;
+-#endif /* CONFIG_ATM_BR2684_IPFILTER */
++#endif /* CONFIG_ATM_BR2684_IPFILTER */
+ #ifndef FASTER_VERSION
+ unsigned copies_needed, copies_failed;
+-#endif /* FASTER_VERSION */
++#endif /* FASTER_VERSION */
+ };
+
+ struct br2684_dev {
+ struct net_device net_dev;
+ struct list_head br2684_devs;
+ int number;
+- struct list_head brvccs; /* one device <=> one vcc (before xmas) */
++ struct list_head brvccs; /* one device <=> one vcc (before xmas) */
+ struct net_device_stats stats;
+ int mac_was_set;
+ };
+@@ -173,24 +197,84 @@
+ }
+ skb = skb2;
+ }
+- skb_push(skb, minheadroom);
+- if (brvcc->encaps == e_llc)
+- memcpy(skb->data, llc_oui_pid_pad, 10);
+- else
+- memset(skb->data, 0, 2);
+-#endif /* FASTER_VERSION */
++
++ /* This skb_push is a problem: routed packets need less headroom than
++ * bridged packets.
++ */
++
++/* skb_push(skb, minheadroom); */
++ if (brvcc->encaps == e_llc) {
++ int offset = 0;
++ int actual_headroom;
++
++ actual_headroom =
++ BR2684_LLC_LEN +
++ BR2684_SNAP_LEN +
++ ((brvcc->payload == p_bridged) ?
++ (BR2684_PID_LEN + BR2684_PAD_LEN) :
++ BR2684_ETHERTYPE_LEN);
++
++ skb_push(skb, actual_headroom);
++ memcpy(skb->data, llc_common, BR2684_LLC_LEN);
++ offset += BR2684_LLC_LEN;
++
++ if (brvcc->payload == p_bridged) {
++ memcpy(skb->data + offset, snap_bridged,
++ BR2684_SNAP_LEN);
++ offset += BR2684_SNAP_LEN;
++ /* pid_ipv4 is poorly named. should probably be
++ * pid_ethernet
++ */
++ memcpy(skb->data + offset, pid_ipv4,
++ BR2684_PID_LEN);
++ offset += BR2684_PID_LEN;
++ memcpy(skb->data + offset, pad_bridged,
++ BR2684_PAD_LEN);
++ offset += BR2684_PAD_LEN;
++ } else if (brvcc->payload == p_routed) {
++ unsigned short prot =
++ __constant_ntohs(skb->protocol);
++ memcpy(skb->data + offset, snap_routed,
++ BR2684_SNAP_LEN);
++ offset += BR2684_SNAP_LEN;
++
++ switch (prot) {
++ case ETH_P_IP:
++ memcpy(skb->data + offset,
++ ethertype_ipv4,
++ BR2684_ETHERTYPE_LEN);
++ break;
++ case ETH_P_IPV6:
++ memcpy(skb->data + offset,
++ ethertype_ipv6,
++ BR2684_ETHERTYPE_LEN);
++ break;
++ default:
++ dev_kfree_skb(skb);
++ return 0;
++ }
++ offset += BR2684_ETHERTYPE_LEN;
++
++ }
++ } else {
++ skb_push(skb, 2);
++ if (brvcc->payload == p_bridged)
++ memset(skb->data, 0, 2);
++ }
++#endif /* FASTER_VERSION */
+ skb_debug(skb);
+
+ ATM_SKB(skb)->vcc = atmvcc = brvcc->atmvcc;
+- DPRINTK("atm_skb(%p)->vcc(%p)->dev(%p)\n", skb, atmvcc, atmvcc->dev);
++ DPRINTK("atm_skb(%p)->vcc(%p)->dev(%p)\n", skb, atmvcc,
++ atmvcc->dev);
+ if (!atm_may_send(atmvcc, skb->truesize)) {
+ /* we free this here for now, because we cannot know in a higher
+- layer whether the skb point it supplied wasn't freed yet.
+- now, it always is.
+- */
++ layer whether the skb point it supplied wasn't freed yet.
++ now, it always is.
++ */
+ dev_kfree_skb(skb);
+ return 0;
+- }
++ }
+ atomic_add(skb->truesize, &atmvcc->sk->wmem_alloc);
+ ATM_SKB(skb)->atm_options = atmvcc->atm_options;
+ brdev->stats.tx_packets++;
+@@ -428,18 +512,39 @@
+ atm_return(atmvcc, skb->truesize);
+ DPRINTK("skb from brdev %p\n", brdev);
+ if (brvcc->encaps == e_llc) {
++ /* accept packets that have "ipv[46]" in the snap header */
++ /* 8 - 2 == sizeof(llc_oui_ipv6) - BR2684_ETHERTYPE_LEN */
++ if (memcmp(skb->data, llc_oui_ipv6, 8 - 2) == 0) {
++ plen = sizeof(llc_oui_ipv6);
++
++ if (memcmp(skb->data + 6, ethertype_ipv6, 2) == 0)
++ skb->protocol =
++ __constant_htons(ETH_P_IPV6);
++ else if (memcmp(skb->data + 6, ethertype_ipv4, 2)
++ == 0)
++ skb->protocol = __constant_htons(ETH_P_IP);
++ else {
++ brdev->stats.rx_errors++;
++ dev_kfree_skb(skb);
++ return;
++ }
++ skb_pull(skb, plen);
++ skb->nh.raw = skb->data;
++ skb->pkt_type = PACKET_HOST;
++ }
++
+ /* let us waste some time for checking the encapsulation.
+ Note, that only 7 char is checked so frames with a valid FCS
+ are also accepted (but FCS is not checked of course) */
+- if (memcmp(skb->data, llc_oui_pid_pad, 7)) {
++ else if (memcmp(skb->data, llc_oui_pid_pad, 7) == 0) {
++ skb_pull(skb, plen - ETH_HLEN);
++ skb->protocol =
++ eth_type_trans(skb, &brdev->net_dev);
++ } else {
+ brdev->stats.rx_errors++;
+ dev_kfree_skb(skb);
+ return;
+ }
+-
+- /* Strip FCS if present */
+- if (skb->len > 7 && skb->data[7] == 0x01)
+- __skb_trim(skb, skb->len - 4);
+ } else {
+ plen = PADLEN + ETH_HLEN; /* pad, dstmac,srcmac, ethtype */
+ /* first 2 chars should be 0 */
+@@ -448,13 +553,14 @@
+ dev_kfree_skb(skb);
+ return;
+ }
++ skb_pull(skb, plen - ETH_HLEN);
++ skb->protocol = eth_type_trans(skb, &brdev->net_dev);
+ }
+ if (skb->len < plen) {
+ brdev->stats.rx_errors++;
+ dev_kfree_skb(skb); /* dev_ not needed? */
+ return;
+ }
+-
+ #ifdef FASTER_VERSION
+ /* FIXME: tcpdump shows that pointer to mac header is 2 bytes earlier,
+ than should be. What else should I set? */
+@@ -465,30 +571,29 @@
+ skb->protocol = ((u16 *) skb->data)[-1];
+ #else /* some protocols might require this: */
+ skb->protocol = br_type_trans(skb, &brdev->net_dev);
+-#endif /* CONFIG_BR2684_FAST_TRANS */
++#endif /* CONFIG_BR2684_FAST_TRANS */
+ #else
+- skb_pull(skb, plen - ETH_HLEN);
+- skb->protocol = eth_type_trans(skb, &brdev->net_dev);
+-#endif /* FASTER_VERSION */
++ /* skb_pull(skb, plen - ETH_HLEN); */
++ /* skb->protocol = eth_type_trans(skb, &brdev->net_dev); */
++#endif /* FASTER_VERSION */
+ #ifdef CONFIG_ATM_BR2684_IPFILTER
+ if (packet_fails_filter(skb->protocol, brvcc, skb)) {
+ brdev->stats.rx_dropped++;
+ dev_kfree_skb(skb);
+ return;
+ }
+-#endif /* CONFIG_ATM_BR2684_IPFILTER */
++#endif /* CONFIG_ATM_BR2684_IPFILTER */
+ skb->dev = &brdev->net_dev;
+- ATM_SKB(skb)->vcc = atmvcc; /* needed ? */
++ /* ATM_SKB(skb)->vcc = atmvcc; *//* needed ? */
+ DPRINTK("received packet's protocol: %x\n", ntohs(skb->protocol));
+ skb_debug(skb);
+- if (!(brdev->net_dev.flags & IFF_UP)) { /* sigh, interface is down */
++ if (!(brdev->net_dev.flags & IFF_UP)) { /* sigh, interface is down */
+ brdev->stats.rx_dropped++;
+ dev_kfree_skb(skb);
+ return;
+ }
+ brdev->stats.rx_packets++;
+ brdev->stats.rx_bytes += skb->len;
+- memset(ATM_SKB(skb), 0, sizeof(struct atm_skb_data));
+ netif_rx(skb);
+ }
+
+@@ -525,10 +630,10 @@
+ err = -EEXIST;
+ goto error;
+ }
+- if (be.fcs_in != BR2684_FCSIN_NO || be.fcs_out != BR2684_FCSOUT_NO ||
+- be.fcs_auto || be.has_vpiid || be.send_padding || (be.encaps !=
+- BR2684_ENCAPS_VC && be.encaps != BR2684_ENCAPS_LLC) ||
+- be.min_size != 0) {
++ if (be.fcs_in != BR2684_FCSIN_NO || be.fcs_out != BR2684_FCSOUT_NO
++ || be.fcs_auto || be.has_vpiid || be.send_padding
++ || (be.encaps != BR2684_ENCAPS_VC
++ && be.encaps != BR2684_ENCAPS_LLC) || be.min_size != 0) {
+ err = -EINVAL;
+ goto error;
+ }
+@@ -554,18 +659,21 @@
+ brvcc->atmvcc = atmvcc;
+ atmvcc->user_back = brvcc;
+ brvcc->encaps = (enum br2684_encaps) be.encaps;
++ brvcc->payload = (enum br2684_payload) be.payload;
+ brvcc->old_push = atmvcc->push;
+ barrier();
+ atmvcc->push = br2684_push;
+ skb_queue_head_init(©);
+ skb_migrate(&atmvcc->sk->receive_queue, ©);
+ while ((skb = skb_dequeue(©))) {
++#ifdef notdef
+ BRPRIV(skb->dev)->stats.rx_bytes -= skb->len;
+ BRPRIV(skb->dev)->stats.rx_packets--;
++#endif
+ br2684_push(atmvcc, skb);
+ }
+ return 0;
+- error:
++ error:
+ write_unlock_irq(&devs_lock);
+ MOD_DEC_USE_COUNT;
+ return err;
+@@ -608,12 +717,25 @@
+
+ if (ni.ifname[0] != '\0') {
+ memcpy(brdev->net_dev.name, ni.ifname,
+- sizeof(brdev->net_dev.name));
+- brdev->net_dev.name[sizeof(brdev->net_dev.name) - 1] = '\0';
++ sizeof(brdev->net_dev.name));
++ brdev->net_dev.name[sizeof(brdev->net_dev.name) - 1] =
++ '\0';
+ } else
+ sprintf(brdev->net_dev.name, "nas%d", brdev->number);
+ DPRINTK("registered netdev %s\n", brdev->net_dev.name);
+- ether_setup(&brdev->net_dev);
++ if (ni.payload == p_routed) {
++ brdev->net_dev.hard_header_len = 0;
++ brdev->net_dev.addr_len = 0;
++ brdev->net_dev.mtu = 1500;
++
++ /* Type PPP seems most suitable */
++ brdev->net_dev.type = ARPHRD_PPP;
++ brdev->net_dev.flags =
++ IFF_POINTOPOINT | IFF_NOARP | IFF_MULTICAST;
++ brdev->net_dev.tx_queue_len = 100;
++ } else {
++ ether_setup(&brdev->net_dev);
++ }
+ brdev->mac_was_set = 0;
+ #ifdef FASTER_VERSION
+ my_eth_header = brdev->net_dev.hard_header;
+@@ -677,12 +799,11 @@
+ err = br2684_setfilt(atmvcc, arg);
+ MOD_DEC_USE_COUNT;
+ return err;
+-#endif /* CONFIG_ATM_BR2684_IPFILTER */
++#endif /* CONFIG_ATM_BR2684_IPFILTER */
+ }
+ return -ENOIOCTLCMD;
+ }
+
+-#ifdef CONFIG_PROC_FS
+ /* Never put more than 256 bytes in at once */
+ static int br2684_proc_engine(loff_t pos, char *buf)
+ {
+@@ -692,52 +813,62 @@
+ list_for_each(lhd, &br2684_devs) {
+ brdev = list_entry_brdev(lhd);
+ if (pos-- == 0)
+- return sprintf(buf, "dev %.16s: num=%d, mac=%02X:%02X:"
+- "%02X:%02X:%02X:%02X (%s)\n", brdev->net_dev.name,
+- brdev->number,
+- brdev->net_dev.dev_addr[0],
+- brdev->net_dev.dev_addr[1],
+- brdev->net_dev.dev_addr[2],
+- brdev->net_dev.dev_addr[3],
+- brdev->net_dev.dev_addr[4],
+- brdev->net_dev.dev_addr[5],
+- brdev->mac_was_set ? "set" : "auto");
++ return sprintf(buf,
++ "dev %.16s: num=%d, mac=%02X:%02X:"
++ "%02X:%02X:%02X:%02X (%s)\n",
++ brdev->net_dev.name, brdev->number,
++ brdev->net_dev.dev_addr[0],
++ brdev->net_dev.dev_addr[1],
++ brdev->net_dev.dev_addr[2],
++ brdev->net_dev.dev_addr[3],
++ brdev->net_dev.dev_addr[4],
++ brdev->net_dev.dev_addr[5],
++ brdev->
++ mac_was_set ? "set" : "auto");
+ list_for_each(lhc, &brdev->brvccs) {
+ brvcc = list_entry_brvcc(lhc);
+ if (pos-- == 0)
+- return sprintf(buf, " vcc %d.%d.%d: encaps=%s"
++ return sprintf(buf,
++ " vcc %d.%d.%d: encaps=%s"
++ ", payload=%s"
+ #ifndef FASTER_VERSION
+- ", failed copies %u/%u"
+-#endif /* FASTER_VERSION */
+- "\n", brvcc->atmvcc->dev->number,
+- brvcc->atmvcc->vpi, brvcc->atmvcc->vci,
+- (brvcc->encaps == e_llc) ? "LLC" : "VC"
++ ", failed copies %u/%u"
++#endif /* FASTER_VERSION */
++ "\n",
++ brvcc->atmvcc->dev->number,
++ brvcc->atmvcc->vpi,
++ brvcc->atmvcc->vci,
++ (brvcc->encaps ==
++ e_llc) ? "LLC" : "VC",
++ (brvcc->payload ==
++ p_bridged) ? "bridged" :
++ "routed"
+ #ifndef FASTER_VERSION
+- , brvcc->copies_failed
+- , brvcc->copies_needed
+-#endif /* FASTER_VERSION */
++ , brvcc->copies_failed,
++ brvcc->copies_needed
++#endif /* FASTER_VERSION */
+ );
+ #ifdef CONFIG_ATM_BR2684_IPFILTER
+ #define b1(var, byte) ((u8 *) &brvcc->filter.var)[byte]
+ #define bs(var) b1(var, 0), b1(var, 1), b1(var, 2), b1(var, 3)
+ if (brvcc->filter.netmask != 0 && pos-- == 0)
+- return sprintf(buf, " filter=%d.%d.%d.%d/"
+- "%d.%d.%d.%d\n", bs(prefix), bs(netmask));
++ return sprintf(buf,
++ " filter=%d.%d.%d.%d/"
++ "%d.%d.%d.%d\n", bs(prefix),
++ bs(netmask));
+ #undef bs
+ #undef b1
+-#endif /* CONFIG_ATM_BR2684_IPFILTER */
++#endif /* CONFIG_ATM_BR2684_IPFILTER */
+ }
+ }
+ return 0;
+ }
+
+ static ssize_t br2684_proc_read(struct file *file, char *buf, size_t count,
+- loff_t *pos)
++ loff_t * pos)
+ {
+ unsigned long page;
+ int len = 0, x, left;
+- loff_t n = *pos;
+-
+ page = get_free_page(GFP_KERNEL);
+ if (!page)
+ return -ENOMEM;
+@@ -746,7 +877,7 @@
+ left = count;
+ read_lock(&devs_lock);
+ for (;;) {
+- x = br2684_proc_engine(n, &((char *) page)[len]);
++ x = br2684_proc_engine(*pos, &((char *) page)[len]);
+ if (x == 0)
+ break;
+ if (x > left)
+@@ -761,12 +892,11 @@
+ }
+ len += x;
+ left -= x;
+- n++;
++ (*pos)++;
+ if (left < 256)
+ break;
+ }
+ read_unlock(&devs_lock);
+- *pos = n;
+ if (len > 0 && copy_to_user(buf, (char *) page, len))
+ len = -EFAULT;
+ free_page(page);
+@@ -774,34 +904,32 @@
+ }
+
+ static struct file_operations br2684_proc_operations = {
+- read: br2684_proc_read,
++ read:br2684_proc_read,
+ };
+
+ extern struct proc_dir_entry *atm_proc_root; /* from proc.c */
+-#endif /* CONFIG_PROC_FS */
++
++extern int (*br2684_ioctl_hook) (struct atm_vcc *, unsigned int,
++ unsigned long);
+
+ /* the following avoids some spurious warnings from the compiler */
+ #define UNUSED __attribute__((unused))
+
+ static int __init UNUSED br2684_init(void)
+ {
+-#ifdef CONFIG_PROC_FS
+ struct proc_dir_entry *p;
+ if ((p = create_proc_entry("br2684", 0, atm_proc_root)) == NULL)
+ return -ENOMEM;
+ p->proc_fops = &br2684_proc_operations;
+-#endif /* CONFIG_PROC_FS */
+- br2684_ioctl_set(br2684_ioctl);
++ br2684_ioctl_hook = br2684_ioctl;
+ return 0;
+ }
+
+ static void __exit UNUSED br2684_exit(void)
+ {
+ struct br2684_dev *brdev;
+- br2684_ioctl_set(NULL);
+-#ifdef CONFIG_PROC_FS
++ br2684_ioctl_hook = NULL;
+ remove_proc_entry("br2684", atm_proc_root);
+-#endif /* CONFIG_PROC_FS */
+ while (!list_empty(&br2684_devs)) {
+ brdev = list_entry_brdev(br2684_devs.next);
+ unregister_netdev(&brdev->net_dev);
+diff -Nur linux.old/net/atm/common.c linux.new/net/atm/common.c
+--- linux.old/net/atm/common.c 2004-02-18 14:36:32.000000000 +0100
++++ linux.new/net/atm/common.c 2005-11-13 00:46:11.000000000 +0100
+@@ -158,6 +158,7 @@
+ }
+ #ifdef CONFIG_ATM_BR2684_MODULE
+ EXPORT_SYMBOL(br2684_ioctl_set);
++EXPORT_SYMBOL(br2684_ioctl_hook);
+ #endif
+ #endif
+
+diff -Nur linux.old/include/linux/atmbr2684.h linux.new/include/linux/atmbr2684.h
+--- linux.old/include/linux/atmbr2684.h 2005-11-13 00:28:19.000000000 +0100
++++ linux.new/include/linux/atmbr2684.h 2005-11-13 00:06:42.000000000 +0100
+@@ -3,6 +3,7 @@
+
+ #include <linux/atm.h>
+ #include <linux/if.h> /* For IFNAMSIZ */
++#include <linux/if_ether.h> /* ETH_P_* */
+
+ /*
+ * Type of media we're bridging (ethernet, token ring, etc) Currently only
+@@ -36,15 +37,24 @@
+ #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_* */
+- char ifname[IFNAMSIZ];
+- int mtu;
++ atm_backend_t backend_num; /* ATM_BACKEND_BR2684 */
++ int media; /* BR2684_MEDIA_* */
++ char ifname[IFNAMSIZ];
++ int mtu;
++ int payload; /* bridged or routed */
+ };
+
+ /*
+@@ -68,16 +78,17 @@
+ * is per-backend specific
+ */
+ struct atm_backend_br2684 {
+- atm_backend_t backend_num; /* 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 */
++ 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 payload; /* BR2684_PAYLOAD_* */
++ 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 */
+ };
+
+ /*
+@@ -95,7 +106,12 @@
+ 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 */
++#endif /* _LINUX_ATMBR2684_H */
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