Contributors: 19
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Matt Mackall |
183 |
38.20% |
4 |
9.09% |
| Américo Wang |
56 |
11.69% |
4 |
9.09% |
| Stephen Hemminger |
52 |
10.86% |
4 |
9.09% |
| Herbert Xu |
37 |
7.72% |
3 |
6.82% |
| Eric Dumazet |
32 |
6.68% |
5 |
11.36% |
| Linus Torvalds (pre-git) |
31 |
6.47% |
5 |
11.36% |
| Neil Horman |
24 |
5.01% |
3 |
6.82% |
| Breno Leitão |
17 |
3.55% |
4 |
9.09% |
| Satyam Sharma |
10 |
2.09% |
1 |
2.27% |
| Jeff Moyer |
10 |
2.09% |
2 |
4.55% |
| Uday Shankar |
7 |
1.46% |
1 |
2.27% |
| Jiri Pirko |
5 |
1.04% |
1 |
2.27% |
| Elena Reshetova |
4 |
0.84% |
1 |
2.27% |
| Eric W. Biedermann |
4 |
0.84% |
1 |
2.27% |
| Ding Tianhong |
3 |
0.63% |
1 |
2.27% |
| Debabrata Banerjee |
1 |
0.21% |
1 |
2.27% |
| Greg Kroah-Hartman |
1 |
0.21% |
1 |
2.27% |
| David Howells |
1 |
0.21% |
1 |
2.27% |
| Maksym Kutsevol |
1 |
0.21% |
1 |
2.27% |
| Total |
479 |
|
44 |
|
/* SPDX-License-Identifier: GPL-2.0 */
/*
* Common code for low-level network console, dump, and debugger code
*
* Derived from netconsole, kgdb-over-ethernet, and netdump patches
*/
#ifndef _LINUX_NETPOLL_H
#define _LINUX_NETPOLL_H
#include <linux/netdevice.h>
#include <linux/interrupt.h>
#include <linux/rcupdate.h>
#include <linux/list.h>
#include <linux/refcount.h>
union inet_addr {
__u32 all[4];
__be32 ip;
__be32 ip6[4];
struct in_addr in;
struct in6_addr in6;
};
struct netpoll {
struct net_device *dev;
netdevice_tracker dev_tracker;
/*
* Either dev_name or dev_mac can be used to specify the local
* interface - dev_name is used if it is a nonempty string, else
* dev_mac is used.
*/
char dev_name[IFNAMSIZ];
u8 dev_mac[ETH_ALEN];
const char *name;
union inet_addr local_ip, remote_ip;
bool ipv6;
u16 local_port, remote_port;
u8 remote_mac[ETH_ALEN];
struct sk_buff_head skb_pool;
struct work_struct refill_wq;
};
struct netpoll_info {
refcount_t refcnt;
struct semaphore dev_lock;
struct sk_buff_head txq;
struct delayed_work tx_work;
struct netpoll *netpoll;
struct rcu_head rcu;
};
#ifdef CONFIG_NETPOLL
void netpoll_poll_dev(struct net_device *dev);
void netpoll_poll_disable(struct net_device *dev);
void netpoll_poll_enable(struct net_device *dev);
#else
static inline void netpoll_poll_disable(struct net_device *dev) { return; }
static inline void netpoll_poll_enable(struct net_device *dev) { return; }
#endif
int netpoll_send_udp(struct netpoll *np, const char *msg, int len);
void netpoll_print_options(struct netpoll *np);
int netpoll_parse_options(struct netpoll *np, char *opt);
int __netpoll_setup(struct netpoll *np, struct net_device *ndev);
int netpoll_setup(struct netpoll *np);
void __netpoll_cleanup(struct netpoll *np);
void __netpoll_free(struct netpoll *np);
void netpoll_cleanup(struct netpoll *np);
void do_netpoll_cleanup(struct netpoll *np);
netdev_tx_t netpoll_send_skb(struct netpoll *np, struct sk_buff *skb);
#ifdef CONFIG_NETPOLL
static inline void *netpoll_poll_lock(struct napi_struct *napi)
{
struct net_device *dev = napi->dev;
if (dev && rcu_access_pointer(dev->npinfo)) {
int owner = smp_processor_id();
while (cmpxchg(&napi->poll_owner, -1, owner) != -1)
cpu_relax();
return napi;
}
return NULL;
}
static inline void netpoll_poll_unlock(void *have)
{
struct napi_struct *napi = have;
if (napi)
smp_store_release(&napi->poll_owner, -1);
}
static inline bool netpoll_tx_running(struct net_device *dev)
{
return irqs_disabled();
}
#else
static inline void *netpoll_poll_lock(struct napi_struct *napi)
{
return NULL;
}
static inline void netpoll_poll_unlock(void *have)
{
}
static inline bool netpoll_tx_running(struct net_device *dev)
{
return false;
}
#endif
#endif