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openwrt/target/linux/brcm63xx-2.6/patches/100-atm_hacks.patch
Florian Fainelli 5d4a0559eb Backport linux-atm api from 2.6.8.1 for brcm63xx 
SVN-Revision: 6029
2007-01-08 09:51:40 +00:00

239 lines
7.2 KiB
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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
--- linux-2.6.19.1/include/linux/atm.h 2006-12-11 20:32:53.000000000 +0100
+++ linux-2.6.19.1.new/include/linux/atm.h 2007-01-07 18:38:50.000000000 +0100
@@ -48,6 +48,9 @@
#define ATM_AAL2 2 /* AAL2 (VBR) */
#define ATM_AAL34 3 /* AAL3/4 (data) */
#define ATM_AAL5 5 /* AAL5 (data) */
+#if defined(CONFIG_MIPS_BCM963XX)
+#define ATM_BCM_AAL0 14 /* "raw" ATM cells */
+#endif
/*
* socket option name coding functions
diff -urN linux-2.6.19.1/include/linux/atmbr2684.h linux-2.6.19.1.new/include/linux/atmbr2684.h
--- linux-2.6.19.1/include/linux/atmbr2684.h 2006-12-11 20:32:53.000000000 +0100
+++ linux-2.6.19.1.new/include/linux/atmbr2684.h 2007-01-07 18:24:01.000000000 +0100
@@ -78,6 +78,10 @@
__u8 vpn_id[7];
int send_padding; /* unsupported */
int min_size; /* we will pad smaller packets than this */
+#if defined(CONFIG_MIPS_BCM963XX)
+#define FILTER_PPPOE 1
+ int proto_filter; /* protocol filter flag, current only PPPoE */
+#endif
};
/*
diff -urN linux-2.6.19.1/include/linux/atmdev.h linux-2.6.19.1.new/include/linux/atmdev.h
--- linux-2.6.19.1/include/linux/atmdev.h 2006-12-11 20:32:53.000000000 +0100
+++ linux-2.6.19.1.new/include/linux/atmdev.h 2007-01-07 18:37:34.000000000 +0100
@@ -29,6 +29,10 @@
#define ATM_DS3_PCR (8000*12)
/* DS3: 12 cells in a 125 usec time slot */
+#if defined(CONFIG_MIPS_BCM963XX)
+#define atm_sk(__sk) ((struct atm_vcc *)(__sk)->sk_protinfo)
+#define ATM_SD(s) (atm_sk((s)->sk))
+#endif
#define __AAL_STAT_ITEMS \
__HANDLE_ITEM(tx); /* TX okay */ \
@@ -111,6 +115,9 @@
#define ATM_BACKEND_RAW 0
#define ATM_BACKEND_PPP 1 /* PPPoATM - RFC2364 */
#define ATM_BACKEND_BR2684 2 /* Bridged RFC1483/2684 */
+#if defined(CONFIG_MIPS_BCM963XX)
+#define ATM_BACKEND_RT2684 3 /* Routed RFC1483/2684 */
+#endif
/* for ATM_GETTYPE */
#define ATM_ITFTYP_LEN 8 /* maximum length of interface type name */
@@ -274,6 +281,9 @@
enum {
+#if defined(CONFIG_MIPS_BCM963XX)
+ ATM_DF_CLOSE, /* close device when last VCC is closed */
+#endif
ATM_DF_REMOVED, /* device was removed from atm_devs list */
};
@@ -285,8 +295,10 @@
#define ATM_ATMOPT_CLP 1 /* set CLP bit */
struct atm_vcc {
+#if !defined(CONFIG_MIPS_BCM963XX)
/* struct sock has to be the first member of atm_vcc */
struct sock sk;
+#endif
unsigned long flags; /* VCC flags (ATM_VF_*) */
short vpi; /* VPI and VCI (types must be equal */
/* with sockaddr) */
@@ -303,6 +315,9 @@
void *dev_data; /* per-device data */
void *proto_data; /* per-protocol data */
struct k_atm_aal_stats *stats; /* pointer to AAL stats group */
+#if defined(CONFIG_MIP_BCM963XX)
+ struct sock *sk; /* socket backpointer */
+#endif
/* SVC part --- may move later ------------------------------------- */
short itf; /* interface number */
struct sockaddr_atmsvc local;
@@ -332,7 +347,11 @@
struct atm_dev_addr {
struct sockaddr_atmsvc addr; /* ATM address */
+#if defined(CONFIG_MIPS_BCM963XX)
+ struct atm_dev_addr *next; /* next address */
+#else
struct list_head entry; /* next address */
+#endif
};
enum atm_addr_type_t { ATM_ADDR_LOCAL, ATM_ADDR_LECS };
@@ -346,8 +365,12 @@
void *dev_data; /* per-device data */
void *phy_data; /* private PHY date */
unsigned long flags; /* device flags (ATM_DF_*) */
+#if defined(CONFIG_MIPS_BCM963XX)
+ struct atm_dev_addr *local; /* local ATM addresses */
+#else
struct list_head local; /* local ATM addresses */
struct list_head lecs; /* LECS ATM addresses learned via ILMI */
+#endif
unsigned char esi[ESI_LEN]; /* ESI ("MAC" addr) */
struct atm_cirange ci_range; /* VPI/VCI range */
struct k_atm_dev_stats stats; /* statistics */
@@ -359,7 +382,9 @@
struct proc_dir_entry *proc_entry; /* proc entry */
char *proc_name; /* proc entry name */
#endif
+#if !defined(CONFIG_MIPS_BCM963XX)
struct class_device class_dev; /* sysfs class device */
+#endif
struct list_head dev_list; /* linkage */
};
@@ -416,7 +441,13 @@
int number,unsigned long *flags); /* number == -1: pick first available */
struct atm_dev *atm_dev_lookup(int number);
void atm_dev_deregister(struct atm_dev *dev);
+#if defined(CONFIG_MIPS_BCM963XX)
+void shutdown_atm_dev(struct atm_dev *dev);
+#endif
void vcc_insert_socket(struct sock *sk);
+#if defined(CONFIG_MIPS_BCM963XX)
+void vcc_remove_socket(struct sock *sk);
+#endif
/*
@@ -432,20 +463,33 @@
static inline void atm_force_charge(struct atm_vcc *vcc,int truesize)
{
+#if defined(CONFIG_MIPS_BCM963XX)
+ atomic_add(truesize, &vcc->sk->sk_rmem_alloc);
+#else
atomic_add(truesize, &sk_atm(vcc)->sk_rmem_alloc);
+#endif
}
static inline void atm_return(struct atm_vcc *vcc,int truesize)
{
+#if defined(CONFIG_MIPS_BCM963XX)
+ atomic_sub(truesize, &vcc->sk->sk_rmem_alloc);
+#else
atomic_sub(truesize, &sk_atm(vcc)->sk_rmem_alloc);
+#endif
}
static inline int atm_may_send(struct atm_vcc *vcc,unsigned int size)
{
+#if defined(CONFIG_MIPS_BCM963XX)
+ return (size + atomic_read(&vcc->sk->sk_wmem_alloc)) <
+ vcc->sk->sk_sndbuf;
+#else
return (size + atomic_read(&sk_atm(vcc)->sk_wmem_alloc)) <
sk_atm(vcc)->sk_sndbuf;
+#endif
}
@@ -457,12 +501,20 @@
static inline void atm_dev_put(struct atm_dev *dev)
{
+#if defined(CONFIG_MIPS_BCM963XX)
+ atomic_dec(&dev->refcnt);
+
+ if ((atomic_read(&dev->refcnt) == 1) &&
+ test_bit(ATM_DF_CLOSE,&dev->flags))
+ shutdown_atm_dev(dev);
+#else
if (atomic_dec_and_test(&dev->refcnt)) {
BUG_ON(!test_bit(ATM_DF_REMOVED, &dev->flags));
if (dev->ops->dev_close)
dev->ops->dev_close(dev);
class_device_put(&dev->class_dev);
}
+#endif
}
diff -urN linux-2.6.19.1/include/linux/atmrt2684.h linux-2.6.19.1.new/include/linux/atmrt2684.h
--- linux-2.6.19.1/include/linux/atmrt2684.h 1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.19.1.new/include/linux/atmrt2684.h 2007-01-07 18:40:39.000000000 +0100
@@ -0,0 +1,48 @@
+#ifndef _LINUX_ATMRT2684_H
+#define _LINUX_ATMRT2684_H
+
+#include <linux/atm.h>
+#include <linux/if.h> /* For IFNAMSIZ */
+
+#define RT2684_ENCAPS_NULL (0) /* VC-mux */
+#define RT2684_ENCAPS_LLC (1)
+#define RT2684_ENCAPS_AUTODETECT (2) /* Unsuported */
+
+/*
+ * 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_rt2684 {
+ atm_backend_t backend_num; /* ATM_BACKEND_RT2684 */
+ char ifname[IFNAMSIZ];
+};
+
+/*
+ * This structure is used to specify a rt2684 interface - either by a
+ * positive integer (returned by ATM_NEWBACKENDIF) or the interfaces name
+ */
+#define RT2684_FIND_BYNOTHING (0)
+#define RT2684_FIND_BYNUM (1)
+#define RT2684_FIND_BYIFNAME (2)
+struct rt2684_if_spec {
+ int method; /* RT2684_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_rt2684 {
+ atm_backend_t backend_num; /* ATM_BACKEND_RT2684 */
+ struct rt2684_if_spec ifspec;
+ unsigned char encaps; /* RT2684_ENCAPS_* */
+};
+
+
+#endif /* _LINUX_ATMRT2684_H */
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