X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=include%2Flinux%2Fnetpoll.h;h=e3d79593fb3a53186523071b4e22d6fbee47e79a;hb=0aedadf91a70a11c4a3e7c7d99b21e5528af8d5d;hp=29930b71a9aab0b263a470c74ba49171c466d31c;hpb=11c302c14d8ddc47504bd3b650bc9e8da7c717b7;p=linux-2.6-omap-h63xx.git diff --git a/include/linux/netpoll.h b/include/linux/netpoll.h index 29930b71a9a..e3d79593fb3 100644 --- a/include/linux/netpoll.h +++ b/include/linux/netpoll.h @@ -20,13 +20,11 @@ struct netpoll { u32 local_ip, remote_ip; u16 local_port, remote_port; - u8 local_mac[ETH_ALEN], remote_mac[ETH_ALEN]; + u8 remote_mac[ETH_ALEN]; }; struct netpoll_info { atomic_t refcnt; - spinlock_t poll_lock; - int poll_owner; int rx_flags; spinlock_t rx_lock; struct netpoll *rx_np; /* netpoll that registered an rx_hook */ @@ -37,6 +35,7 @@ struct netpoll_info { void netpoll_poll(struct netpoll *np); void 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); int netpoll_trap(void); @@ -64,32 +63,61 @@ static inline int netpoll_rx(struct sk_buff *skb) return ret; } -static inline void *netpoll_poll_lock(struct net_device *dev) +static inline int netpoll_receive_skb(struct sk_buff *skb) { + if (!list_empty(&skb->dev->napi_list)) + return netpoll_rx(skb); + return 0; +} + +static inline void *netpoll_poll_lock(struct napi_struct *napi) +{ + struct net_device *dev = napi->dev; + rcu_read_lock(); /* deal with race on ->npinfo */ - if (dev->npinfo) { - spin_lock(&dev->npinfo->poll_lock); - dev->npinfo->poll_owner = smp_processor_id(); - return dev->npinfo; + if (dev && dev->npinfo) { + spin_lock(&napi->poll_lock); + napi->poll_owner = smp_processor_id(); + return napi; } return NULL; } static inline void netpoll_poll_unlock(void *have) { - struct netpoll_info *npi = have; + struct napi_struct *napi = have; - if (npi) { - npi->poll_owner = -1; - spin_unlock(&npi->poll_lock); + if (napi) { + napi->poll_owner = -1; + spin_unlock(&napi->poll_lock); } rcu_read_unlock(); } +static inline void netpoll_netdev_init(struct net_device *dev) +{ + INIT_LIST_HEAD(&dev->napi_list); +} + #else -#define netpoll_rx(a) 0 -#define netpoll_poll_lock(a) NULL -#define netpoll_poll_unlock(a) +static inline int netpoll_rx(struct sk_buff *skb) +{ + return 0; +} +static inline int netpoll_receive_skb(struct sk_buff *skb) +{ + return 0; +} +static inline void *netpoll_poll_lock(struct napi_struct *napi) +{ + return NULL; +} +static inline void netpoll_poll_unlock(void *have) +{ +} +static inline void netpoll_netdev_init(struct net_device *dev) +{ +} #endif #endif