diff options
Diffstat (limited to 'ANDROID_3.4.5/include/rdma/ib_addr.h')
| -rw-r--r-- | ANDROID_3.4.5/include/rdma/ib_addr.h | 287 |
1 files changed, 0 insertions, 287 deletions
diff --git a/ANDROID_3.4.5/include/rdma/ib_addr.h b/ANDROID_3.4.5/include/rdma/ib_addr.h deleted file mode 100644 index 99965395..00000000 --- a/ANDROID_3.4.5/include/rdma/ib_addr.h +++ /dev/null @@ -1,287 +0,0 @@ -/* - * Copyright (c) 2005 Voltaire Inc. All rights reserved. - * Copyright (c) 2005 Intel Corporation. All rights reserved. - * - * This software is available to you under a choice of one of two - * licenses. You may choose to be licensed under the terms of the GNU - * General Public License (GPL) Version 2, available from the file - * COPYING in the main directory of this source tree, or the - * OpenIB.org BSD license below: - * - * Redistribution and use in source and binary forms, with or - * without modification, are permitted provided that the following - * conditions are met: - * - * - Redistributions of source code must retain the above - * copyright notice, this list of conditions and the following - * disclaimer. - * - * - Redistributions in binary form must reproduce the above - * copyright notice, this list of conditions and the following - * disclaimer in the documentation and/or other materials - * provided with the distribution. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS - * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN - * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN - * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - */ - -#if !defined(IB_ADDR_H) -#define IB_ADDR_H - -#include <linux/in.h> -#include <linux/in6.h> -#include <linux/if_arp.h> -#include <linux/netdevice.h> -#include <linux/socket.h> -#include <linux/if_vlan.h> -#include <rdma/ib_verbs.h> -#include <rdma/ib_pack.h> - -struct rdma_addr_client { - atomic_t refcount; - struct completion comp; -}; - -/** - * rdma_addr_register_client - Register an address client. - */ -void rdma_addr_register_client(struct rdma_addr_client *client); - -/** - * rdma_addr_unregister_client - Deregister an address client. - * @client: Client object to deregister. - */ -void rdma_addr_unregister_client(struct rdma_addr_client *client); - -struct rdma_dev_addr { - unsigned char src_dev_addr[MAX_ADDR_LEN]; - unsigned char dst_dev_addr[MAX_ADDR_LEN]; - unsigned char broadcast[MAX_ADDR_LEN]; - unsigned short dev_type; - int bound_dev_if; - enum rdma_transport_type transport; -}; - -/** - * rdma_translate_ip - Translate a local IP address to an RDMA hardware - * address. - */ -int rdma_translate_ip(struct sockaddr *addr, struct rdma_dev_addr *dev_addr); - -/** - * rdma_resolve_ip - Resolve source and destination IP addresses to - * RDMA hardware addresses. - * @client: Address client associated with request. - * @src_addr: An optional source address to use in the resolution. If a - * source address is not provided, a usable address will be returned via - * the callback. - * @dst_addr: The destination address to resolve. - * @addr: A reference to a data location that will receive the resolved - * addresses. The data location must remain valid until the callback has - * been invoked. - * @timeout_ms: Amount of time to wait for the address resolution to complete. - * @callback: Call invoked once address resolution has completed, timed out, - * or been canceled. A status of 0 indicates success. - * @context: User-specified context associated with the call. - */ -int rdma_resolve_ip(struct rdma_addr_client *client, - struct sockaddr *src_addr, struct sockaddr *dst_addr, - struct rdma_dev_addr *addr, int timeout_ms, - void (*callback)(int status, struct sockaddr *src_addr, - struct rdma_dev_addr *addr, void *context), - void *context); - -void rdma_addr_cancel(struct rdma_dev_addr *addr); - -int rdma_copy_addr(struct rdma_dev_addr *dev_addr, struct net_device *dev, - const unsigned char *dst_dev_addr); - -static inline int ip_addr_size(struct sockaddr *addr) -{ - return addr->sa_family == AF_INET6 ? - sizeof(struct sockaddr_in6) : sizeof(struct sockaddr_in); -} - -static inline u16 ib_addr_get_pkey(struct rdma_dev_addr *dev_addr) -{ - return ((u16)dev_addr->broadcast[8] << 8) | (u16)dev_addr->broadcast[9]; -} - -static inline void ib_addr_set_pkey(struct rdma_dev_addr *dev_addr, u16 pkey) -{ - dev_addr->broadcast[8] = pkey >> 8; - dev_addr->broadcast[9] = (unsigned char) pkey; -} - -static inline void ib_addr_get_mgid(struct rdma_dev_addr *dev_addr, - union ib_gid *gid) -{ - memcpy(gid, dev_addr->broadcast + 4, sizeof *gid); -} - -static inline int rdma_addr_gid_offset(struct rdma_dev_addr *dev_addr) -{ - return dev_addr->dev_type == ARPHRD_INFINIBAND ? 4 : 0; -} - -static inline void iboe_mac_vlan_to_ll(union ib_gid *gid, u8 *mac, u16 vid) -{ - memset(gid->raw, 0, 16); - *((__be32 *) gid->raw) = cpu_to_be32(0xfe800000); - if (vid < 0x1000) { - gid->raw[12] = vid & 0xff; - gid->raw[11] = vid >> 8; - } else { - gid->raw[12] = 0xfe; - gid->raw[11] = 0xff; - } - memcpy(gid->raw + 13, mac + 3, 3); - memcpy(gid->raw + 8, mac, 3); - gid->raw[8] ^= 2; -} - -static inline u16 rdma_vlan_dev_vlan_id(const struct net_device *dev) -{ - return dev->priv_flags & IFF_802_1Q_VLAN ? - vlan_dev_vlan_id(dev) : 0xffff; -} - -static inline void iboe_addr_get_sgid(struct rdma_dev_addr *dev_addr, - union ib_gid *gid) -{ - struct net_device *dev; - u16 vid = 0xffff; - - dev = dev_get_by_index(&init_net, dev_addr->bound_dev_if); - if (dev) { - vid = rdma_vlan_dev_vlan_id(dev); - dev_put(dev); - } - - iboe_mac_vlan_to_ll(gid, dev_addr->src_dev_addr, vid); -} - -static inline void rdma_addr_get_sgid(struct rdma_dev_addr *dev_addr, union ib_gid *gid) -{ - if (dev_addr->transport == RDMA_TRANSPORT_IB && - dev_addr->dev_type != ARPHRD_INFINIBAND) - iboe_addr_get_sgid(dev_addr, gid); - else - memcpy(gid, dev_addr->src_dev_addr + - rdma_addr_gid_offset(dev_addr), sizeof *gid); -} - -static inline void rdma_addr_set_sgid(struct rdma_dev_addr *dev_addr, union ib_gid *gid) -{ - memcpy(dev_addr->src_dev_addr + rdma_addr_gid_offset(dev_addr), gid, sizeof *gid); -} - -static inline void rdma_addr_get_dgid(struct rdma_dev_addr *dev_addr, union ib_gid *gid) -{ - memcpy(gid, dev_addr->dst_dev_addr + rdma_addr_gid_offset(dev_addr), sizeof *gid); -} - -static inline void rdma_addr_set_dgid(struct rdma_dev_addr *dev_addr, union ib_gid *gid) -{ - memcpy(dev_addr->dst_dev_addr + rdma_addr_gid_offset(dev_addr), gid, sizeof *gid); -} - -static inline enum ib_mtu iboe_get_mtu(int mtu) -{ - /* - * reduce IB headers from effective IBoE MTU. 28 stands for - * atomic header which is the biggest possible header after BTH - */ - mtu = mtu - IB_GRH_BYTES - IB_BTH_BYTES - 28; - - if (mtu >= ib_mtu_enum_to_int(IB_MTU_4096)) - return IB_MTU_4096; - else if (mtu >= ib_mtu_enum_to_int(IB_MTU_2048)) - return IB_MTU_2048; - else if (mtu >= ib_mtu_enum_to_int(IB_MTU_1024)) - return IB_MTU_1024; - else if (mtu >= ib_mtu_enum_to_int(IB_MTU_512)) - return IB_MTU_512; - else if (mtu >= ib_mtu_enum_to_int(IB_MTU_256)) - return IB_MTU_256; - else - return 0; -} - -static inline int iboe_get_rate(struct net_device *dev) -{ - struct ethtool_cmd cmd; - u32 speed; - int err; - - rtnl_lock(); - err = __ethtool_get_settings(dev, &cmd); - rtnl_unlock(); - if (err) - return IB_RATE_PORT_CURRENT; - - speed = ethtool_cmd_speed(&cmd); - if (speed >= 40000) - return IB_RATE_40_GBPS; - else if (speed >= 30000) - return IB_RATE_30_GBPS; - else if (speed >= 20000) - return IB_RATE_20_GBPS; - else if (speed >= 10000) - return IB_RATE_10_GBPS; - else - return IB_RATE_PORT_CURRENT; -} - -static inline int rdma_link_local_addr(struct in6_addr *addr) -{ - if (addr->s6_addr32[0] == htonl(0xfe800000) && - addr->s6_addr32[1] == 0) - return 1; - - return 0; -} - -static inline void rdma_get_ll_mac(struct in6_addr *addr, u8 *mac) -{ - memcpy(mac, &addr->s6_addr[8], 3); - memcpy(mac + 3, &addr->s6_addr[13], 3); - mac[0] ^= 2; -} - -static inline int rdma_is_multicast_addr(struct in6_addr *addr) -{ - return addr->s6_addr[0] == 0xff; -} - -static inline void rdma_get_mcast_mac(struct in6_addr *addr, u8 *mac) -{ - int i; - - mac[0] = 0x33; - mac[1] = 0x33; - for (i = 2; i < 6; ++i) - mac[i] = addr->s6_addr[i + 10]; -} - -static inline u16 rdma_get_vlan_id(union ib_gid *dgid) -{ - u16 vid; - - vid = dgid->raw[11] << 8 | dgid->raw[12]; - return vid < 0x1000 ? vid : 0xffff; -} - -static inline struct net_device *rdma_vlan_dev_real_dev(const struct net_device *dev) -{ - return dev->priv_flags & IFF_802_1Q_VLAN ? - vlan_dev_real_dev(dev) : NULL; -} - -#endif /* IB_ADDR_H */ |