diff options
| author | Eliezer Tamir <eliezer.tamir@linux.intel.com> | 2013-06-10 12:39:50 +0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2013-06-11 08:22:35 +0400 |
| commit | 060212928670593fb89243640bf05cf89560b023 (patch) | |
| tree | 32ae5c7be094983fb06430dbe09d36e2b317ca9c /include/linux/netdevice.h | |
| parent | af12fa6e46aa651e7b86a4c4117b562518fef184 (diff) | |
| download | linux-060212928670593fb89243640bf05cf89560b023.tar.xz | |
net: add low latency socket poll
Adds an ndo_ll_poll method and the code that supports it.
This method can be used by low latency applications to busy-poll
Ethernet device queues directly from the socket code.
sysctl_net_ll_poll controls how many microseconds to poll.
Default is zero (disabled).
Individual protocol support will be added by subsequent patches.
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Eliezer Tamir <eliezer.tamir@linux.intel.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Tested-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/netdevice.h')
| -rw-r--r-- | include/linux/netdevice.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 39bbd462d68e..2ecb96d9a1e5 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -972,6 +972,9 @@ struct net_device_ops { gfp_t gfp); void (*ndo_netpoll_cleanup)(struct net_device *dev); #endif +#ifdef CONFIG_NET_LL_RX_POLL + int (*ndo_ll_poll)(struct napi_struct *dev); +#endif int (*ndo_set_vf_mac)(struct net_device *dev, int queue, u8 *mac); int (*ndo_set_vf_vlan)(struct net_device *dev, |