adapter->hw_csum_good++; 
e1000_rx_checksum(struct e1000_adapter *adapter,                  struct e1000_rx_desc *rx_desc,                  struct sk_buff *skb){	/* 82543 or newer only */	if(unlikely((adapter->hw.mac_type < e1000_82543) ||	/* Ignore Checksum bit is set */	(rx_desc->status & E1000_RXD_STAT_IXSM) ||	/* TCP Checksum has not been calculated */	(!(rx_desc->status & E1000_RXD_STAT_TCPCS)))) {		skb->ip_summed = CHECKSUM_NONE;		return;	}	/* At this point we know the hardware did the TCP checksum */	/* now look at the TCP checksum error bit */	if(rx_desc->errors & E1000_RXD_ERR_TCPE) {		/* let the stack verify checksum errors */		skb->ip_summed = CHECKSUM_NONE;		adapter->hw_csum_err++;	} else {		/* TCP checksum is good */		skb->ip_summed = CHECKSUM_UNNECESSARY;		adapter->hw_csum_good++;	}}
10457	/local/tlutelli/issta_data/temp/c/2005_temp/2005/10457/2d7edb923a823660b081bd4c660300ee19adca8d/e1000_main.c/clean/drivers/net/e1000/e1000_main.c