diff options
| -rw-r--r-- | include/linux/netdevice.h | 5 | ||||
| -rw-r--r-- | net/core/dev.c | 3 |
2 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index b3d00fa4b31..896eb4985f9 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -1475,6 +1475,11 @@ static inline void *netdev_priv(const struct net_device *dev) */ #define SET_NETDEV_DEVTYPE(net, devtype) ((net)->dev.type = (devtype)) +/* Default NAPI poll() weight + * Device drivers are strongly advised to not use bigger value + */ +#define NAPI_POLL_WEIGHT 64 + /** * netif_napi_add - initialize a napi context * @dev: network device diff --git a/net/core/dev.c b/net/core/dev.c index a06a7a58dd1..96103894ad6 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -4057,6 +4057,9 @@ void netif_napi_add(struct net_device *dev, struct napi_struct *napi, napi->gro_list = NULL; napi->skb = NULL; napi->poll = poll; + if (weight > NAPI_POLL_WEIGHT) + pr_err_once("netif_napi_add() called with weight %d on device %s\n", + weight, dev->name); napi->weight = weight; list_add(&napi->dev_list, &dev->napi_list); napi->dev = dev; |