M7350/external/compat-wireless/include/linux/compat-2.6.38.h
2024-09-09 08:52:07 +00:00

134 lines
3.7 KiB
C

#ifndef LINUX_26_38_COMPAT_H
#define LINUX_26_38_COMPAT_H
#include <linux/version.h>
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,38))
#include <linux/kernel.h>
#include <linux/skbuff.h>
#include <linux/etherdevice.h>
#include <net/sch_generic.h>
#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,30))
static inline void bstats_update(struct gnet_stats_basic_packed *bstats,
const struct sk_buff *skb)
{
bstats->bytes += qdisc_pkt_len((struct sk_buff *) skb);
bstats->packets += skb_is_gso(skb) ? skb_shinfo(skb)->gso_segs : 1;
}
static inline void qdisc_bstats_update(struct Qdisc *sch,
const struct sk_buff *skb)
{
bstats_update(&sch->bstats, skb);
}
#else
/*
* kernels <= 2.6.30 do not pass a const skb to qdisc_pkt_len, and
* gnet_stats_basic_packed did not exist (see c1a8f1f1c8)
*/
static inline void bstats_update(struct gnet_stats_basic *bstats,
struct sk_buff *skb)
{
bstats->bytes += qdisc_pkt_len(skb);
bstats->packets += skb_is_gso(skb) ? skb_shinfo(skb)->gso_segs : 1;
}
static inline void qdisc_bstats_update(struct Qdisc *sch,
struct sk_buff *skb)
{
bstats_update(&sch->bstats, skb);
}
#endif
/* rename member in struct mmc_host in include/linux/mmc/host.h */
#define max_segs max_hw_segs
/* Exponentially weighted moving average (EWMA) */
/* For more documentation see lib/average.c */
struct ewma {
unsigned long internal;
unsigned long factor;
unsigned long weight;
};
/* mask ewma_init as RHEL6 backports this */
#define ewma_init(a,b,c) compat_ewma_init(a,b,c)
extern void ewma_init(struct ewma *avg, unsigned long factor,
unsigned long weight);
/* mask ewma_add as RHEL6 backports this */
#define ewma_add(a,b) compat_ewma_add(a,b)
extern struct ewma *ewma_add(struct ewma *avg, unsigned long val);
/**
* ewma_read() - Get average value
* @avg: Average structure
*
* Returns the average value held in @avg.
*/
static inline unsigned long ewma_read(const struct ewma *avg)
{
return DIV_ROUND_CLOSEST(avg->internal, avg->factor);
}
#define pr_warn pr_warning
#define create_freezable_workqueue create_freezeable_workqueue
static inline int skb_checksum_start_offset(const struct sk_buff *skb)
{
return skb->csum_start - skb_headroom(skb);
}
/* from include/linux/printk.h */
#define pr_emerg_once(fmt, ...) \
printk_once(KERN_EMERG pr_fmt(fmt), ##__VA_ARGS__)
#define pr_alert_once(fmt, ...) \
printk_once(KERN_ALERT pr_fmt(fmt), ##__VA_ARGS__)
#define pr_crit_once(fmt, ...) \
printk_once(KERN_CRIT pr_fmt(fmt), ##__VA_ARGS__)
#define pr_err_once(fmt, ...) \
printk_once(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__)
#define pr_warn_once(fmt, ...) \
printk_once(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__)
#define pr_notice_once(fmt, ...) \
printk_once(KERN_NOTICE pr_fmt(fmt), ##__VA_ARGS__)
#define pr_info_once(fmt, ...) \
printk_once(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
#define pr_cont_once(fmt, ...) \
printk_once(KERN_CONT pr_fmt(fmt), ##__VA_ARGS__)
#if defined(DEBUG)
#define pr_debug_once(fmt, ...) \
printk_once(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__)
#else
#define pr_debug_once(fmt, ...) \
no_printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__)
#endif
/* include/linux/netdevice.h */
#define alloc_netdev_mqs(sizeof_priv, name, setup, txqs, rxqs) \
alloc_netdev_mq(sizeof_priv, name, setup, \
max_t(unsigned int, txqs, rxqs))
#define ETH_P_LINK_CTL 0x886c /* HPNA, wlan link local tunnel */
/**
* is_unicast_ether_addr - Determine if the Ethernet address is unicast
* @addr: Pointer to a six-byte array containing the Ethernet address
*
* Return true if the address is a unicast address.
*/
static inline int is_unicast_ether_addr(const u8 *addr)
{
return !is_multicast_ether_addr(addr);
}
#endif /* (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,38)) */
#endif /* LINUX_26_38_COMPAT_H */