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Message-Id: <1184888714353-git-send-email-jacliburn@bellsouth.net> Date: Thu, 19 Jul 2007 18:45:14 -0500 From: Jay Cliburn <jacliburn@...lsouth.net> To: jeff@...zik.org Cc: netdev@...r.kernel.org, linux-kernel@...r.kernel.org, atl1-devel@...ts.sourceforge.net, csnook@...hat.com, Jay Cliburn <jacliburn@...lsouth.net> Subject: [PATCH 5/5] atl1: use kernel provided ethernet length constants Use constants already provided by the kernel for ethernet related lengths. Signed-off-by: Jay Cliburn <jacliburn@...lsouth.net> --- drivers/net/atl1/atl1_hw.h | 5 ----- drivers/net/atl1/atl1_main.c | 13 +++++++------ 2 files changed, 7 insertions(+), 11 deletions(-) diff --git a/drivers/net/atl1/atl1_hw.h b/drivers/net/atl1/atl1_hw.h index f0d7e82..939aa0f 100644 --- a/drivers/net/atl1/atl1_hw.h +++ b/drivers/net/atl1/atl1_hw.h @@ -680,11 +680,6 @@ void atl1_check_options(struct atl1_adapter *adapter); #define AUTONEG_ADVERTISE_10_100_ALL 0x000F /* All 10/100 speeds */ #define AUTONEG_ADVERTISE_10_ALL 0x0003 /* 10Mbps Full & Half speeds */ -/* The size (in bytes) of a ethernet packet */ -#define ENET_HEADER_SIZE 14 -#define MAXIMUM_ETHERNET_FRAME_SIZE 1518 /* with FCS */ -#define MINIMUM_ETHERNET_FRAME_SIZE 64 /* with FCS */ -#define ETHERNET_FCS_SIZE 4 #define MAX_JUMBO_FRAME_SIZE 0x2800 #define PHY_AUTO_NEG_TIME 45 /* 4.5 Seconds */ diff --git a/drivers/net/atl1/atl1_main.c b/drivers/net/atl1/atl1_main.c index 6aa2dc3..993ed2a 100644 --- a/drivers/net/atl1/atl1_main.c +++ b/drivers/net/atl1/atl1_main.c @@ -59,6 +59,7 @@ #include <linux/skbuff.h> #include <linux/etherdevice.h> #include <linux/if_vlan.h> +#include <linux/if_ether.h> #include <linux/irqreturn.h> #include <linux/workqueue.h> #include <linux/timer.h> @@ -120,8 +121,8 @@ static int __devinit atl1_sw_init(struct atl1_adapter *adapter) struct atl1_hw *hw = &adapter->hw; struct net_device *netdev = adapter->netdev; - hw->max_frame_size = netdev->mtu + ENET_HEADER_SIZE + ETHERNET_FCS_SIZE; - hw->min_frame_size = MINIMUM_ETHERNET_FRAME_SIZE; + hw->max_frame_size = netdev->mtu + ETH_HLEN + ETH_FCS_LEN; + hw->min_frame_size = ETH_ZLEN + ETH_FCS_LEN; adapter->wol = 0; adapter->rx_buffer_len = (hw->max_frame_size + 7) & ~7; @@ -688,9 +689,9 @@ static int atl1_change_mtu(struct net_device *netdev, int new_mtu) { struct atl1_adapter *adapter = netdev_priv(netdev); int old_mtu = netdev->mtu; - int max_frame = new_mtu + ENET_HEADER_SIZE + ETHERNET_FCS_SIZE; + int max_frame = new_mtu + ETH_HLEN + ETH_FCS_LEN; - if ((max_frame < MINIMUM_ETHERNET_FRAME_SIZE) || + if ((max_frame < ETH_ZLEN + ETH_FCS_LEN) || (max_frame > MAX_JUMBO_FRAME_SIZE)) { dev_warn(&adapter->pdev->dev, "invalid MTU setting\n"); return -EINVAL; @@ -1337,7 +1338,7 @@ rrd_ok: skb = buffer_info->skb; length = le16_to_cpu(rrd->xsz.xsum_sz.pkt_size); - skb_put(skb, length - ETHERNET_FCS_SIZE); + skb_put(skb, length - ETH_FCS_LEN); /* Receive Checksum Offload */ atl1_rx_checksum(adapter, rrd, skb); @@ -1456,7 +1457,7 @@ static int atl1_tso(struct atl1_adapter *adapter, struct sk_buff *skb, tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr, iph->daddr, 0, IPPROTO_TCP, 0); ipofst = skb_network_offset(skb); - if (ipofst != ENET_HEADER_SIZE) /* 802.3 frame */ + if (ipofst != ETH_HLEN) /* 802.3 frame */ tso->tsopl |= 1 << TSO_PARAM_ETHTYPE_SHIFT; tso->tsopl |= (iph->ihl & -- 1.5.2.2 - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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