Alexander Duyck | 0e7b364 | 2014-09-20 19:48:10 -0400 | [diff] [blame^] | 1 | /* Intel Ethernet Switch Host Interface Driver |
| 2 | * Copyright(c) 2013 - 2014 Intel Corporation. |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or modify it |
| 5 | * under the terms and conditions of the GNU General Public License, |
| 6 | * version 2, as published by the Free Software Foundation. |
| 7 | * |
| 8 | * This program is distributed in the hope it will be useful, but WITHOUT |
| 9 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 10 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| 11 | * more details. |
| 12 | * |
| 13 | * The full GNU General Public License is included in this distribution in |
| 14 | * the file called "COPYING". |
| 15 | * |
| 16 | * Contact Information: |
| 17 | * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> |
| 18 | * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 |
| 19 | */ |
| 20 | |
| 21 | #include "fm10k.h" |
| 22 | |
| 23 | static netdev_tx_t fm10k_xmit_frame(struct sk_buff *skb, struct net_device *dev) |
| 24 | { |
| 25 | dev_kfree_skb_any(skb); |
| 26 | return NETDEV_TX_OK; |
| 27 | } |
| 28 | |
| 29 | static int fm10k_change_mtu(struct net_device *dev, int new_mtu) |
| 30 | { |
| 31 | if (new_mtu < 68 || new_mtu > FM10K_MAX_JUMBO_FRAME_SIZE) |
| 32 | return -EINVAL; |
| 33 | |
| 34 | dev->mtu = new_mtu; |
| 35 | |
| 36 | return 0; |
| 37 | } |
| 38 | |
| 39 | static int fm10k_set_mac(struct net_device *dev, void *p) |
| 40 | { |
| 41 | struct sockaddr *addr = p; |
| 42 | s32 err = 0; |
| 43 | |
| 44 | if (!is_valid_ether_addr(addr->sa_data)) |
| 45 | return -EADDRNOTAVAIL; |
| 46 | |
| 47 | if (!err) { |
| 48 | ether_addr_copy(dev->dev_addr, addr->sa_data); |
| 49 | dev->addr_assign_type &= ~NET_ADDR_RANDOM; |
| 50 | } |
| 51 | |
| 52 | return err; |
| 53 | } |
| 54 | |
| 55 | static void fm10k_set_rx_mode(struct net_device *dev) |
| 56 | { |
| 57 | } |
| 58 | |
| 59 | static const struct net_device_ops fm10k_netdev_ops = { |
| 60 | .ndo_validate_addr = eth_validate_addr, |
| 61 | .ndo_start_xmit = fm10k_xmit_frame, |
| 62 | .ndo_set_mac_address = fm10k_set_mac, |
| 63 | .ndo_change_mtu = fm10k_change_mtu, |
| 64 | .ndo_set_rx_mode = fm10k_set_rx_mode, |
| 65 | }; |
| 66 | |
| 67 | #define DEFAULT_DEBUG_LEVEL_SHIFT 3 |
| 68 | |
| 69 | struct net_device *fm10k_alloc_netdev(void) |
| 70 | { |
| 71 | struct fm10k_intfc *interface; |
| 72 | struct net_device *dev; |
| 73 | |
| 74 | dev = alloc_etherdev(sizeof(struct fm10k_intfc)); |
| 75 | if (!dev) |
| 76 | return NULL; |
| 77 | |
| 78 | /* set net device and ethtool ops */ |
| 79 | dev->netdev_ops = &fm10k_netdev_ops; |
| 80 | |
| 81 | /* configure default debug level */ |
| 82 | interface = netdev_priv(dev); |
| 83 | interface->msg_enable = (1 << DEFAULT_DEBUG_LEVEL_SHIFT) - 1; |
| 84 | |
| 85 | /* configure default features */ |
| 86 | dev->features |= NETIF_F_SG; |
| 87 | |
| 88 | /* all features defined to this point should be changeable */ |
| 89 | dev->hw_features |= dev->features; |
| 90 | |
| 91 | /* configure VLAN features */ |
| 92 | dev->vlan_features |= dev->features; |
| 93 | |
| 94 | /* configure tunnel offloads */ |
| 95 | dev->hw_enc_features = NETIF_F_SG; |
| 96 | |
| 97 | return dev; |
| 98 | } |