| /* |
| * This file is part of the Chelsio T4 Ethernet driver. |
| * |
| * Copyright (C) 2003-2009 Chelsio Communications. All rights reserved. |
| * |
| * This program is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the LICENSE file included in this |
| * release for licensing terms and conditions. |
| */ |
| |
| /* |
| * This file is used to allow the driver to be compiled under multiple |
| * versions of Linux with as few obtrusive in-line #ifdef's as possible. |
| */ |
| |
| #ifndef __CXGB4_COMPAT_H |
| #define __CXGB4_COMPAT_H |
| |
| #include <linux/version.h> |
| |
| /* |
| * Set a /proc node's module owner field. |
| */ |
| #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,30) |
| #define SET_PROC_NODE_OWNER(_p, _owner) \ |
| do { (_p)->owner = (_owner); } while (0) |
| #else |
| #define SET_PROC_NODE_OWNER(_p, _owner) \ |
| do { } while (0) |
| #endif |
| |
| /* |
| * Collect up to maxaddrs worth of a netdevice's unicast addresses, starting |
| * at a specified offset within the list, into an array of addrss pointers and |
| * return the number collected. |
| */ |
| static inline unsigned int collect_netdev_uc_list_addrs(const struct net_device *dev, |
| const u8 **addr, |
| unsigned int offset, |
| unsigned int maxaddrs) |
| { |
| unsigned int index = 0; |
| unsigned int naddr = 0; |
| #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,31) |
| const struct dev_addr_list *da; |
| |
| for (da = dev->uc_list; da && naddr < maxaddrs; da = da->next) |
| if (index++ >= offset) |
| addr[naddr++] = da->dmi_addr; |
| #elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,34) |
| const struct netdev_hw_addr *ha; |
| |
| list_for_each_entry(ha, &dev->uc.list, list) |
| if (index++ >= offset) { |
| addr[naddr++] = ha->addr; |
| if (naddr >= maxaddrs) |
| break; |
| } |
| #else |
| const struct netdev_hw_addr *ha; |
| |
| netdev_for_each_uc_addr(ha, dev) |
| if (index++ >= offset) { |
| addr[naddr++] = ha->addr; |
| if (naddr >= maxaddrs) |
| break; |
| } |
| #endif |
| return naddr; |
| } |
| |
| /* |
| * Collect up to maxaddrs worth of a netdevice's multicast addresses, starting |
| * at a specified offset within the list, into an array of addrss pointers and |
| * return the number collected. |
| */ |
| static inline unsigned int collect_netdev_mc_list_addrs(const struct net_device *dev, |
| const u8 **addr, |
| unsigned int offset, |
| unsigned int maxaddrs) |
| { |
| unsigned int index = 0; |
| unsigned int naddr = 0; |
| #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,34) |
| const struct dev_addr_list *da; |
| |
| for (da = dev->mc_list; da && naddr < maxaddrs; da = da->next) |
| if (index++ >= offset) |
| addr[naddr++] = da->dmi_addr; |
| #elif LINUX_VERSION_CODE == KERNEL_VERSION(2,6,34) |
| const struct dev_mc_list *mclist; |
| |
| netdev_for_each_mc_addr(mclist, dev) |
| if (index++ >= offset) { |
| addr[naddr++] = mclist->dmi_addr; |
| if (naddr >= maxaddrs) |
| break; |
| } |
| #else |
| const struct netdev_hw_addr *ha; |
| |
| netdev_for_each_mc_addr(ha, dev) |
| if (index++ >= offset) { |
| addr[naddr++] = ha->addr; |
| if (naddr >= maxaddrs) |
| break; |
| } |
| #endif |
| return naddr; |
| } |
| |
| #ifndef NIPQUAD |
| #define NIPQUAD(addr) \ |
| ((unsigned char *)&addr)[0], \ |
| ((unsigned char *)&addr)[1], \ |
| ((unsigned char *)&addr)[2], \ |
| ((unsigned char *)&addr)[3] |
| #endif |
| |
| #ifndef NIPQUAD_FMT |
| #define NIPQUAD_FMT "%u.%u.%u.%u" |
| #endif |
| |
| #endif /* !__CXGB4_COMPAT_H */ |
