| smsc95xx.c (6b7781b42dc9bc9bcd1523b6c24b876cdda0bef3) | smsc95xx.c (fe0cd8ca1b82983db24b173bb8518ea646c02d25) |
|---|---|
| 1 /*************************************************************************** 2 * 3 * Copyright (C) 2007-2008 SMSC 4 * 5 * This program is free software; you can redistribute it and/or 6 * modify it under the terms of the GNU General Public License 7 * as published by the Free Software Foundation; either version 2 8 * of the License, or (at your option) any later version. --- 667 unchanged lines hidden (view full) --- 676 struct usbnet *dev = netdev_priv(netdev); 677 u32 read_buf; 678 int ret; 679 680 ret = smsc95xx_read_reg(dev, COE_CR, &read_buf); 681 if (ret < 0) 682 return ret; 683 | 1 /*************************************************************************** 2 * 3 * Copyright (C) 2007-2008 SMSC 4 * 5 * This program is free software; you can redistribute it and/or 6 * modify it under the terms of the GNU General Public License 7 * as published by the Free Software Foundation; either version 2 8 * of the License, or (at your option) any later version. --- 667 unchanged lines hidden (view full) --- 676 struct usbnet *dev = netdev_priv(netdev); 677 u32 read_buf; 678 int ret; 679 680 ret = smsc95xx_read_reg(dev, COE_CR, &read_buf); 681 if (ret < 0) 682 return ret; 683 |
| 684 if (features & NETIF_F_HW_CSUM) | 684 if (features & NETIF_F_IP_CSUM) |
| 685 read_buf |= Tx_COE_EN_; 686 else 687 read_buf &= ~Tx_COE_EN_; 688 689 if (features & NETIF_F_RXCSUM) 690 read_buf |= Rx_COE_EN_; 691 else 692 read_buf &= ~Rx_COE_EN_; --- 581 unchanged lines hidden (view full) --- 1274 GFP_KERNEL); 1275 1276 pdata = (struct smsc95xx_priv *)(dev->data[0]); 1277 if (!pdata) 1278 return -ENOMEM; 1279 1280 spin_lock_init(&pdata->mac_cr_lock); 1281 | 685 read_buf |= Tx_COE_EN_; 686 else 687 read_buf &= ~Tx_COE_EN_; 688 689 if (features & NETIF_F_RXCSUM) 690 read_buf |= Rx_COE_EN_; 691 else 692 read_buf &= ~Rx_COE_EN_; --- 581 unchanged lines hidden (view full) --- 1274 GFP_KERNEL); 1275 1276 pdata = (struct smsc95xx_priv *)(dev->data[0]); 1277 if (!pdata) 1278 return -ENOMEM; 1279 1280 spin_lock_init(&pdata->mac_cr_lock); 1281 |
| 1282 /* LAN95xx devices do not alter the computed checksum of 0 to 0xffff. 1283 * RFC 2460, ipv6 UDP calculated checksum yields a result of zero must 1284 * be changed to 0xffff. RFC 768, ipv4 UDP computed checksum is zero, 1285 * it is transmitted as all ones. The zero transmitted checksum means 1286 * transmitter generated no checksum. Hence, enable csum offload only 1287 * for ipv4 packets. 1288 */ |
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| 1282 if (DEFAULT_TX_CSUM_ENABLE) | 1289 if (DEFAULT_TX_CSUM_ENABLE) |
| 1283 dev->net->features |= NETIF_F_HW_CSUM; | 1290 dev->net->features |= NETIF_F_IP_CSUM; |
| 1284 if (DEFAULT_RX_CSUM_ENABLE) 1285 dev->net->features |= NETIF_F_RXCSUM; 1286 | 1291 if (DEFAULT_RX_CSUM_ENABLE) 1292 dev->net->features |= NETIF_F_RXCSUM; 1293 |
| 1287 dev->net->hw_features = NETIF_F_HW_CSUM | NETIF_F_RXCSUM; | 1294 dev->net->hw_features = NETIF_F_IP_CSUM | NETIF_F_RXCSUM; |
| 1288 1289 smsc95xx_init_mac_address(dev); 1290 1291 /* Init all registers */ 1292 ret = smsc95xx_reset(dev); 1293 1294 /* detect device revision as different features may be available */ 1295 ret = smsc95xx_read_reg(dev, ID_REV, &val); --- 899 unchanged lines hidden --- | 1295 1296 smsc95xx_init_mac_address(dev); 1297 1298 /* Init all registers */ 1299 ret = smsc95xx_reset(dev); 1300 1301 /* detect device revision as different features may be available */ 1302 ret = smsc95xx_read_reg(dev, ID_REV, &val); --- 899 unchanged lines hidden --- |