Messages in this thread Patch in this message | | | Subject | Re: [PATCH V3 2/8] Add a new zerocopy device flag | From | Shirley Ma <> | Date | Wed, 20 Apr 2011 13:09:33 -0700 |
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Resubmit this patch with the new bit.
Signed-off-by: Shirley Ma <xma@us.ibm.com> ---
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 0249fe7..0998d3d 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -1067,6 +1067,9 @@ struct net_device { #define NETIF_F_RXHASH (1 << 28) /* Receive hashing offload */ #define NETIF_F_RXCSUM (1 << 29) /* Receive checksumming offload */ +/* Bit 30 is for device to map userspace buffers -- zerocopy */ +#define NETIF_F_ZEROCOPY (1 << 30) + /* Segmentation offload features */ #define NETIF_F_GSO_SHIFT 16 #define NETIF_F_GSO_MASK 0x00ff0000
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