From: Alexander Duyck Date: Tue, 8 Jul 2008 22:13:05 +0000 (-0700) Subject: net: add netif_napi_del function to allow for removal of napistructs X-Git-Tag: v2.6.27-rc1~969^2~146^2~7 X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d8156534040996f6a93a24d3592d5d587f2587e5;p=linux-2.6 net: add netif_napi_del function to allow for removal of napistructs Adds netif_napi_del function which is used to remove the napi struct from the netdev napi_list in cases where CONFIG_NETPOLL was enabled. The motivation for adding this is to handle the case in which the number of queues on a device changes due to a configuration change. Previously the napi structs for each queue would be left in the list until the netdev was freed. Signed-off-by: Alexander Duyck Signed-off-by: Jeff Kirsher Signed-off-by: Jeff Garzik --- diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 203c5504fe..b54ec16dfb 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -828,6 +828,19 @@ static inline void netif_napi_add(struct net_device *dev, set_bit(NAPI_STATE_SCHED, &napi->state); } +/** + * netif_napi_del - remove a napi context + * @napi: napi context + * + * netif_napi_del() removes a napi context from the network device napi list + */ +static inline void netif_napi_del(struct napi_struct *napi) +{ +#ifdef CONFIG_NETPOLL + list_del(&napi->dev_list); +#endif +} + struct packet_type { __be16 type; /* This is really htons(ether_type). */ struct net_device *dev; /* NULL is wildcarded here */