netpoll.c File Reference

#include <linux/moduleparam.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/string.h>
#include <linux/if_arp.h>
#include <linux/inetdevice.h>
#include <linux/inet.h>
#include <linux/interrupt.h>
#include <linux/netpoll.h>
#include <linux/sched.h>
#include <linux/delay.h>
#include <linux/rcupdate.h>
#include <linux/workqueue.h>
#include <linux/slab.h>
#include <linux/export.h>
#include <linux/if_vlan.h>
#include <net/tcp.h>
#include <net/udp.h>
#include <asm/unaligned.h>
#include <trace/events/napi.h>

Go to the source code of this file.

Macros
#define	pr_fmt(fmt)   KBUILD_MODNAME ": " fmt
#define	MAX_UDP_CHUNK   1460
#define	MAX_SKBS   32
#define	USEC_PER_POLL   50
#define	NETPOLL_RX_ENABLED   1
#define	NETPOLL_RX_DROP   2
#define	MAX_SKB_SIZE
#define	np_info(np, fmt,...)   pr_info("%s: " fmt, np->name, ##__VA_ARGS__)
#define	np_err(np, fmt,...)   pr_err("%s: " fmt, np->name, ##__VA_ARGS__)
#define	np_notice(np, fmt,...)   pr_notice("%s: " fmt, np->name, ##__VA_ARGS__)

Functions
	module_param (carrier_timeout, uint, 0644)
void	netpoll_send_skb_on_dev (struct netpoll *np, struct sk_buff *skb, struct net_device *dev)
	EXPORT_SYMBOL (netpoll_send_skb_on_dev)
void	netpoll_send_udp (struct netpoll *np, const char *msg, int len)
	EXPORT_SYMBOL (netpoll_send_udp)
int	__netpoll_rx (struct sk_buff *skb, struct netpoll_info *npinfo)
void	netpoll_print_options (struct netpoll *np)
	EXPORT_SYMBOL (netpoll_print_options)
int	netpoll_parse_options (struct netpoll *np, char *opt)
	EXPORT_SYMBOL (netpoll_parse_options)
int	__netpoll_setup (struct netpoll *np, struct net_device *ndev, gfp_t gfp)
	EXPORT_SYMBOL_GPL (__netpoll_setup)
int	netpoll_setup (struct netpoll *np)
	EXPORT_SYMBOL (netpoll_setup)
	core_initcall (netpoll_init)
void	__netpoll_cleanup (struct netpoll *np)
	EXPORT_SYMBOL_GPL (__netpoll_cleanup)
void	__netpoll_free_rcu (struct netpoll *np)
	EXPORT_SYMBOL_GPL (__netpoll_free_rcu)
void	netpoll_cleanup (struct netpoll *np)
	EXPORT_SYMBOL (netpoll_cleanup)
int	netpoll_trap (void)
	EXPORT_SYMBOL (netpoll_trap)
void	netpoll_set_trap (int trap)
	EXPORT_SYMBOL (netpoll_set_trap)

Macro Definition Documentation

#define MAX_SKB_SIZE

Value:

(sizeof(struct ethhdr) +                    \
     sizeof(struct iphdr) +                     \
     sizeof(struct udphdr) +                    \
     MAX_UDP_CHUNK)

Definition at line 51 of file netpoll.c.

#define MAX_SKBS   32

Definition at line 41 of file netpoll.c.

#define MAX_UDP_CHUNK   1460

Definition at line 40 of file netpoll.c.

#define NETPOLL_RX_DROP   2

Definition at line 49 of file netpoll.c.

#define NETPOLL_RX_ENABLED   1

Definition at line 48 of file netpoll.c.

#define np_err	(		np,
			fmt,
			...
	)		pr_err("%s: " fmt, np->name, ##__VA_ARGS__)

Definition at line 65 of file netpoll.c.

#define np_info	(		np,
			fmt,
			...
	)		pr_info("%s: " fmt, np->name, ##__VA_ARGS__)

Definition at line 63 of file netpoll.c.

#define np_notice	(		np,
			fmt,
			...
	)		pr_notice("%s: " fmt, np->name, ##__VA_ARGS__)

Definition at line 67 of file netpoll.c.

#define pr_fmt

(

fmt

)

KBUILD_MODNAME ": " fmt

Definition at line 12 of file netpoll.c.

#define USEC_PER_POLL   50

Definition at line 47 of file netpoll.c.

Function Documentation

void __netpoll_cleanup

(

struct netpoll *

np

)

Definition at line 917 of file netpoll.c.

void __netpoll_free_rcu

(

struct netpoll *

np

)

Definition at line 955 of file netpoll.c.

int __netpoll_rx	(	struct sk_buff *	skb,
		struct netpoll_info *	npinfo
	)

Definition at line 559 of file netpoll.c.

int __netpoll_setup	(	struct netpoll *	np,
		struct net_device *	ndev,
		gfp_t	gfp
	)

Definition at line 736 of file netpoll.c.

core_initcall

(

netpoll_init

)

EXPORT_SYMBOL

(

netpoll_send_skb_on_dev

)

EXPORT_SYMBOL

(

netpoll_send_udp

)

EXPORT_SYMBOL

(

netpoll_print_options

)

EXPORT_SYMBOL

(

netpoll_parse_options

)

EXPORT_SYMBOL

(

netpoll_setup

)

EXPORT_SYMBOL

(

netpoll_cleanup

)

EXPORT_SYMBOL

(

netpoll_trap

)

EXPORT_SYMBOL

(

netpoll_set_trap

)

EXPORT_SYMBOL_GPL

(

__netpoll_setup

)

EXPORT_SYMBOL_GPL

(

__netpoll_cleanup

)

EXPORT_SYMBOL_GPL

(

__netpoll_free_rcu

)

module_param	(	carrier_timeout	,
		uint	,
		0644
	)

void netpoll_cleanup

(

struct netpoll *

np

)

Definition at line 961 of file netpoll.c.

int netpoll_parse_options	(	struct netpoll *	np,
		char *	opt
	)

Definition at line 669 of file netpoll.c.

void netpoll_print_options

(

struct netpoll *

np

)

Definition at line 658 of file netpoll.c.

void netpoll_send_skb_on_dev	(	struct netpoll *	np,
		struct sk_buff *	skb,
		struct net_device *	dev
	)

Definition at line 310 of file netpoll.c.

void netpoll_send_udp	(	struct netpoll *	np,
		const char *	msg,
		int	len
	)

Definition at line 376 of file netpoll.c.

void netpoll_set_trap

(

int

trap

)

Definition at line 981 of file netpoll.c.

int netpoll_setup

(

struct netpoll *

np

)

Definition at line 803 of file netpoll.c.

int netpoll_trap

(

void

)

Definition at line 975 of file netpoll.c.