From 5d8949448b68b3b355036c8061e3282388826ec5 Mon Sep 17 00:00:00 2001 From: Olof Johansson Date: Wed, 28 Nov 2007 20:57:56 -0600 Subject: [PATCH] pasemi_mac: Remove SKB copy/recycle logic pasemi_mac: Remove SKB copy/recycle logic It doesn't really buy us much, since copying is about as expensive as the allocation in the first place. Just remove it for now. Signed-off-by: Olof Johansson Signed-off-by: Jeff Garzik --- drivers/net/pasemi_mac.c | 25 +++---------------------- 1 file changed, 3 insertions(+), 22 deletions(-) diff --git a/drivers/net/pasemi_mac.c b/drivers/net/pasemi_mac.c index ca773580cc..07475bb7d8 100644 --- a/drivers/net/pasemi_mac.c +++ b/drivers/net/pasemi_mac.c @@ -503,13 +503,8 @@ static void pasemi_mac_replenish_rx_ring(const struct net_device *dev, /* Entry in use? */ WARN_ON(*buff); - /* skb might still be in there for recycle on short receives */ - if (info->skb) - skb = info->skb; - else { - skb = dev_alloc_skb(BUF_SIZE); - skb_reserve(skb, LOCAL_SKB_ALIGN); - } + skb = dev_alloc_skb(BUF_SIZE); + skb_reserve(skb, LOCAL_SKB_ALIGN); if (unlikely(!skb)) break; @@ -666,21 +661,7 @@ static int pasemi_mac_clean_rx(struct pasemi_mac_rxring *rx, goto next; } - if (len < 256) { - struct sk_buff *new_skb; - - new_skb = netdev_alloc_skb(mac->netdev, - len + LOCAL_SKB_ALIGN); - if (new_skb) { - skb_reserve(new_skb, LOCAL_SKB_ALIGN); - memcpy(new_skb->data, skb->data, len); - /* save the skb in buffer_info as good */ - skb = new_skb; - } - /* else just continue with the old one */ - } else - info->skb = NULL; - + info->skb = NULL; info->dma = 0; if (likely((macrx & XCT_MACRX_HTY_M) == XCT_MACRX_HTY_IPV4_OK)) { -- 2.39.5