From 5d4a0559eb91cc68a0844c0776e05b2fa75ba5d3 Mon Sep 17 00:00:00 2001 From: Florian Fainelli Date: Mon, 8 Jan 2007 09:51:40 +0000 Subject: [PATCH] Backport linux-atm api from 2.6.8.1 for brcm63xx SVN-Revision: 6029 --- .../brcm63xx-2.6/patches/100-atm_hacks.patch | 238 ++++++++++++++++++ 1 file changed, 238 insertions(+) create mode 100644 target/linux/brcm63xx-2.6/patches/100-atm_hacks.patch diff --git a/target/linux/brcm63xx-2.6/patches/100-atm_hacks.patch b/target/linux/brcm63xx-2.6/patches/100-atm_hacks.patch new file mode 100644 index 0000000000..b0afadd88a --- /dev/null +++ b/target/linux/brcm63xx-2.6/patches/100-atm_hacks.patch @@ -0,0 +1,238 @@ +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 ++#include /* 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 */ -- 2.25.1