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| author | Auke Kok <auke-jan.h.kok@intel.com> | 2006-05-25 13:24:21 -0700 |
|---|---|---|
| committer | Auke Kok <juke-jan.h.kok@intel.com> | 2006-05-25 13:24:21 -0700 |
| commit | 6b900bb4bcb6095339f8d404babd9d779bfa1ea4 (patch) | |
| tree | c3c727be5c0b9d99e8c01eae16412d0ad43e9c48 /drivers/net/ixgb/ixgb_main.c | |
| parent | 1dfdd7df21309e57867962020a5ccb83d00e5432 (diff) | |
| download | lwn-6b900bb4bcb6095339f8d404babd9d779bfa1ea4.tar.gz lwn-6b900bb4bcb6095339f8d404babd9d779bfa1ea4.zip | |
ixgb: use rx copybreak/skb recycle
o use rx copybreak/skb recycle
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
Signed-off-by: John Ronciak <john.ronciak@intel.com>
Diffstat (limited to 'drivers/net/ixgb/ixgb_main.c')
| -rw-r--r-- | drivers/net/ixgb/ixgb_main.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/net/ixgb/ixgb_main.c b/drivers/net/ixgb/ixgb_main.c index 27034b3ba80b..0e23994a6a76 100644 --- a/drivers/net/ixgb/ixgb_main.c +++ b/drivers/net/ixgb/ixgb_main.c @@ -1990,6 +1990,26 @@ ixgb_clean_rx_irq(struct ixgb_adapter *adapter) goto rxdesc_done; } + /* code added for copybreak, this should improve + * performance for small packets with large amounts + * of reassembly being done in the stack */ +#define IXGB_CB_LENGTH 256 + if (length < IXGB_CB_LENGTH) { + struct sk_buff *new_skb = + dev_alloc_skb(length + NET_IP_ALIGN); + if (new_skb) { + skb_reserve(new_skb, NET_IP_ALIGN); + new_skb->dev = netdev; + memcpy(new_skb->data - NET_IP_ALIGN, + skb->data - NET_IP_ALIGN, + length + NET_IP_ALIGN); + /* save the skb in buffer_info as good */ + buffer_info->skb = skb; + skb = new_skb; + } + } + /* end copybreak code */ + /* Good Receive */ skb_put(skb, length); |