diff options
| author | Tom Herbert <therbert@google.com> | 2015-02-10 16:30:30 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-02-11 15:12:11 -0800 |
| commit | baa32ff42871f2d4aca9c08c9403d0e497325564 (patch) | |
| tree | 3dc1edaf2234ca4316b44247c1a698ecdfb8b436 | |
| parent | 6db93ea13b7937c0523ea1f977b322f1347a5633 (diff) | |
net: Use more bit fields in napi_gro_cb
This patch moves the free and same_flow fields to be bit fields
(2 and 1 bit sized respectively). This frees up some space for u16's.
Signed-off-by: Tom Herbert <therbert@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | include/linux/netdevice.h | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 9e9be221e4b..43fd0a4dcd0 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -1923,20 +1923,15 @@ struct napi_gro_cb { /* Number of segments aggregated. */ u16 count; - /* This is non-zero if the packet may be of the same flow. */ - u8 same_flow; - - /* Free the skb? */ - u8 free; -#define NAPI_GRO_FREE 1 -#define NAPI_GRO_FREE_STOLEN_HEAD 2 - /* jiffies when first packet was created/queued */ unsigned long age; /* Used in ipv6_gro_receive() and foo-over-udp */ u16 proto; + /* This is non-zero if the packet may be of the same flow. */ + u8 same_flow:1; + /* Used in udp_gro_receive */ u8 udp_mark:1; @@ -1946,9 +1941,16 @@ struct napi_gro_cb { /* Number of checksums via CHECKSUM_UNNECESSARY */ u8 csum_cnt:3; + /* Free the skb? */ + u8 free:2; +#define NAPI_GRO_FREE 1 +#define NAPI_GRO_FREE_STOLEN_HEAD 2 + /* Used in foo-over-udp, set in udp[46]_gro_receive */ u8 is_ipv6:1; + /* 7 bit hole */ + /* used to support CHECKSUM_COMPLETE for tunneling protocols */ __wsum csum; |