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Backport linux-atm api from 2.6.8.1 for brcm63xx
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@6029 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
florian
parent
e48d2ec30c
commit
061969855e
238
target/linux/brcm63xx-2.6/patches/100-atm_hacks.patch
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238
target/linux/brcm63xx-2.6/patches/100-atm_hacks.patch
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@ -0,0 +1,238 @@
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diff -urN linux-2.6.19.1/include/linux/atm.h linux-2.6.19.1.new/include/linux/atm.h
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--- linux-2.6.19.1/include/linux/atm.h 2006-12-11 20:32:53.000000000 +0100
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+++ linux-2.6.19.1.new/include/linux/atm.h 2007-01-07 18:38:50.000000000 +0100
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@@ -48,6 +48,9 @@
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#define ATM_AAL2 2 /* AAL2 (VBR) */
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#define ATM_AAL34 3 /* AAL3/4 (data) */
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#define ATM_AAL5 5 /* AAL5 (data) */
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+#if defined(CONFIG_MIPS_BCM963XX)
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+#define ATM_BCM_AAL0 14 /* "raw" ATM cells */
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+#endif
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/*
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* socket option name coding functions
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diff -urN linux-2.6.19.1/include/linux/atmbr2684.h linux-2.6.19.1.new/include/linux/atmbr2684.h
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--- linux-2.6.19.1/include/linux/atmbr2684.h 2006-12-11 20:32:53.000000000 +0100
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+++ linux-2.6.19.1.new/include/linux/atmbr2684.h 2007-01-07 18:24:01.000000000 +0100
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@@ -78,6 +78,10 @@
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__u8 vpn_id[7];
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int send_padding; /* unsupported */
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int min_size; /* we will pad smaller packets than this */
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+#if defined(CONFIG_MIPS_BCM963XX)
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+#define FILTER_PPPOE 1
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+ int proto_filter; /* protocol filter flag, current only PPPoE */
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+#endif
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};
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/*
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diff -urN linux-2.6.19.1/include/linux/atmdev.h linux-2.6.19.1.new/include/linux/atmdev.h
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--- linux-2.6.19.1/include/linux/atmdev.h 2006-12-11 20:32:53.000000000 +0100
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+++ linux-2.6.19.1.new/include/linux/atmdev.h 2007-01-07 18:37:34.000000000 +0100
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@@ -29,6 +29,10 @@
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#define ATM_DS3_PCR (8000*12)
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/* DS3: 12 cells in a 125 usec time slot */
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+#if defined(CONFIG_MIPS_BCM963XX)
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+#define atm_sk(__sk) ((struct atm_vcc *)(__sk)->sk_protinfo)
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+#define ATM_SD(s) (atm_sk((s)->sk))
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+#endif
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#define __AAL_STAT_ITEMS \
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__HANDLE_ITEM(tx); /* TX okay */ \
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@@ -111,6 +115,9 @@
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#define ATM_BACKEND_RAW 0
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#define ATM_BACKEND_PPP 1 /* PPPoATM - RFC2364 */
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#define ATM_BACKEND_BR2684 2 /* Bridged RFC1483/2684 */
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+#if defined(CONFIG_MIPS_BCM963XX)
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+#define ATM_BACKEND_RT2684 3 /* Routed RFC1483/2684 */
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+#endif
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/* for ATM_GETTYPE */
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#define ATM_ITFTYP_LEN 8 /* maximum length of interface type name */
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@@ -274,6 +281,9 @@
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enum {
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+#if defined(CONFIG_MIPS_BCM963XX)
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+ ATM_DF_CLOSE, /* close device when last VCC is closed */
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+#endif
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ATM_DF_REMOVED, /* device was removed from atm_devs list */
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};
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@@ -285,8 +295,10 @@
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#define ATM_ATMOPT_CLP 1 /* set CLP bit */
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struct atm_vcc {
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+#if !defined(CONFIG_MIPS_BCM963XX)
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/* struct sock has to be the first member of atm_vcc */
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struct sock sk;
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+#endif
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unsigned long flags; /* VCC flags (ATM_VF_*) */
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short vpi; /* VPI and VCI (types must be equal */
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/* with sockaddr) */
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@@ -303,6 +315,9 @@
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void *dev_data; /* per-device data */
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void *proto_data; /* per-protocol data */
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struct k_atm_aal_stats *stats; /* pointer to AAL stats group */
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+#if defined(CONFIG_MIP_BCM963XX)
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+ struct sock *sk; /* socket backpointer */
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+#endif
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/* SVC part --- may move later ------------------------------------- */
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short itf; /* interface number */
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struct sockaddr_atmsvc local;
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@@ -332,7 +347,11 @@
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struct atm_dev_addr {
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struct sockaddr_atmsvc addr; /* ATM address */
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+#if defined(CONFIG_MIPS_BCM963XX)
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+ struct atm_dev_addr *next; /* next address */
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+#else
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struct list_head entry; /* next address */
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+#endif
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};
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enum atm_addr_type_t { ATM_ADDR_LOCAL, ATM_ADDR_LECS };
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@@ -346,8 +365,12 @@
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void *dev_data; /* per-device data */
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void *phy_data; /* private PHY date */
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unsigned long flags; /* device flags (ATM_DF_*) */
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+#if defined(CONFIG_MIPS_BCM963XX)
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+ struct atm_dev_addr *local; /* local ATM addresses */
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+#else
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struct list_head local; /* local ATM addresses */
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struct list_head lecs; /* LECS ATM addresses learned via ILMI */
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+#endif
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unsigned char esi[ESI_LEN]; /* ESI ("MAC" addr) */
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struct atm_cirange ci_range; /* VPI/VCI range */
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struct k_atm_dev_stats stats; /* statistics */
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@@ -359,7 +382,9 @@
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struct proc_dir_entry *proc_entry; /* proc entry */
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char *proc_name; /* proc entry name */
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#endif
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+#if !defined(CONFIG_MIPS_BCM963XX)
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struct class_device class_dev; /* sysfs class device */
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+#endif
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struct list_head dev_list; /* linkage */
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};
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@@ -416,7 +441,13 @@
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int number,unsigned long *flags); /* number == -1: pick first available */
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struct atm_dev *atm_dev_lookup(int number);
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void atm_dev_deregister(struct atm_dev *dev);
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+#if defined(CONFIG_MIPS_BCM963XX)
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+void shutdown_atm_dev(struct atm_dev *dev);
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+#endif
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void vcc_insert_socket(struct sock *sk);
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+#if defined(CONFIG_MIPS_BCM963XX)
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+void vcc_remove_socket(struct sock *sk);
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+#endif
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/*
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@@ -432,20 +463,33 @@
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static inline void atm_force_charge(struct atm_vcc *vcc,int truesize)
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{
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+#if defined(CONFIG_MIPS_BCM963XX)
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+ atomic_add(truesize, &vcc->sk->sk_rmem_alloc);
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+#else
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atomic_add(truesize, &sk_atm(vcc)->sk_rmem_alloc);
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+#endif
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}
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static inline void atm_return(struct atm_vcc *vcc,int truesize)
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{
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+#if defined(CONFIG_MIPS_BCM963XX)
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+ atomic_sub(truesize, &vcc->sk->sk_rmem_alloc);
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+#else
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atomic_sub(truesize, &sk_atm(vcc)->sk_rmem_alloc);
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+#endif
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}
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static inline int atm_may_send(struct atm_vcc *vcc,unsigned int size)
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{
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+#if defined(CONFIG_MIPS_BCM963XX)
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+ return (size + atomic_read(&vcc->sk->sk_wmem_alloc)) <
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+ vcc->sk->sk_sndbuf;
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+#else
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return (size + atomic_read(&sk_atm(vcc)->sk_wmem_alloc)) <
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sk_atm(vcc)->sk_sndbuf;
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+#endif
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}
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@@ -457,12 +501,20 @@
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static inline void atm_dev_put(struct atm_dev *dev)
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{
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+#if defined(CONFIG_MIPS_BCM963XX)
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+ atomic_dec(&dev->refcnt);
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+
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+ if ((atomic_read(&dev->refcnt) == 1) &&
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+ test_bit(ATM_DF_CLOSE,&dev->flags))
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+ shutdown_atm_dev(dev);
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+#else
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if (atomic_dec_and_test(&dev->refcnt)) {
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BUG_ON(!test_bit(ATM_DF_REMOVED, &dev->flags));
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if (dev->ops->dev_close)
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dev->ops->dev_close(dev);
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class_device_put(&dev->class_dev);
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}
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+#endif
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}
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diff -urN linux-2.6.19.1/include/linux/atmrt2684.h linux-2.6.19.1.new/include/linux/atmrt2684.h
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--- linux-2.6.19.1/include/linux/atmrt2684.h 1970-01-01 01:00:00.000000000 +0100
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+++ linux-2.6.19.1.new/include/linux/atmrt2684.h 2007-01-07 18:40:39.000000000 +0100
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@@ -0,0 +1,48 @@
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+#ifndef _LINUX_ATMRT2684_H
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+#define _LINUX_ATMRT2684_H
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+
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+#include <linux/atm.h>
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+#include <linux/if.h> /* For IFNAMSIZ */
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+
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+#define RT2684_ENCAPS_NULL (0) /* VC-mux */
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+#define RT2684_ENCAPS_LLC (1)
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+#define RT2684_ENCAPS_AUTODETECT (2) /* Unsuported */
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+
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+/*
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+ * This is for the ATM_NEWBACKENDIF call - these are like socket families:
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+ * the first element of the structure is the backend number and the rest
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+ * is per-backend specific
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+ */
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+struct atm_newif_rt2684 {
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+ atm_backend_t backend_num; /* ATM_BACKEND_RT2684 */
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+ char ifname[IFNAMSIZ];
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+};
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+
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+/*
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+ * This structure is used to specify a rt2684 interface - either by a
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+ * positive integer (returned by ATM_NEWBACKENDIF) or the interfaces name
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+ */
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+#define RT2684_FIND_BYNOTHING (0)
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+#define RT2684_FIND_BYNUM (1)
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+#define RT2684_FIND_BYIFNAME (2)
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+struct rt2684_if_spec {
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+ int method; /* RT2684_FIND_* */
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+ union {
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+ char ifname[IFNAMSIZ];
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+ int devnum;
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+ } spec;
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+};
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+
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+/*
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+ * This is for the ATM_SETBACKEND call - these are like socket families:
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+ * the first element of the structure is the backend number and the rest
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+ * is per-backend specific
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+ */
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+struct atm_backend_rt2684 {
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+ atm_backend_t backend_num; /* ATM_BACKEND_RT2684 */
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+ struct rt2684_if_spec ifspec;
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+ unsigned char encaps; /* RT2684_ENCAPS_* */
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+};
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+
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+
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+#endif /* _LINUX_ATMRT2684_H */
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