diff options
Diffstat (limited to 'drivers/net/ixgbe/ixgbe.h')
| -rw-r--r-- | drivers/net/ixgbe/ixgbe.h | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/drivers/net/ixgbe/ixgbe.h b/drivers/net/ixgbe/ixgbe.h index 9e15eb93860e..7233fef7e9b8 100644 --- a/drivers/net/ixgbe/ixgbe.h +++ b/drivers/net/ixgbe/ixgbe.h @@ -69,15 +69,20 @@ #define IXGBE_MAX_FCPAUSE 0xFFFF /* Supported Rx Buffer Sizes */ -#define IXGBE_RXBUFFER_64 64 /* Used for packet split */ -#define IXGBE_RXBUFFER_128 128 /* Used for packet split */ -#define IXGBE_RXBUFFER_256 256 /* Used for packet split */ +#define IXGBE_RXBUFFER_512 512 /* Used for packet split */ #define IXGBE_RXBUFFER_2048 2048 #define IXGBE_RXBUFFER_4096 4096 #define IXGBE_RXBUFFER_8192 8192 #define IXGBE_MAX_RXBUFFER 16384 /* largest size for a single descriptor */ -#define IXGBE_RX_HDR_SIZE IXGBE_RXBUFFER_256 +/* + * NOTE: netdev_alloc_skb reserves up to 64 bytes, NET_IP_ALIGN mans we + * reserve 2 more, and skb_shared_info adds an additional 384 bytes more, + * this adds up to 512 bytes of extra data meaning the smallest allocation + * we could have is 1K. + * i.e. RXBUFFER_512 --> size-1024 slab + */ +#define IXGBE_RX_HDR_SIZE IXGBE_RXBUFFER_512 #define MAXIMUM_ETHERNET_VLAN_SIZE (ETH_FRAME_LEN + ETH_FCS_LEN + VLAN_HLEN) |