diff options
Diffstat (limited to 'include/rdma/ib_addr.h')
| -rw-r--r-- | include/rdma/ib_addr.h | 23 |
1 files changed, 16 insertions, 7 deletions
diff --git a/include/rdma/ib_addr.h b/include/rdma/ib_addr.h index b73a14edc85e..18c564f60e93 100644 --- a/include/rdma/ib_addr.h +++ b/include/rdma/ib_addr.h @@ -125,8 +125,9 @@ int rdma_resolve_ip_route(struct sockaddr *src_addr, 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); +void rdma_copy_addr(struct rdma_dev_addr *dev_addr, + const struct net_device *dev, + const unsigned char *dst_dev_addr); int rdma_addr_size(struct sockaddr *addr); @@ -172,7 +173,8 @@ static inline int rdma_ip2gid(struct sockaddr *addr, union ib_gid *gid) (struct in6_addr *)gid); break; case AF_INET6: - memcpy(gid->raw, &((struct sockaddr_in6 *)addr)->sin6_addr, 16); + *(struct in6_addr *)&gid->raw = + ((struct sockaddr_in6 *)addr)->sin6_addr; break; default: return -EINVAL; @@ -244,10 +246,11 @@ static inline void rdma_addr_set_dgid(struct rdma_dev_addr *dev_addr, union ib_g 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 + * Reduce IB headers from effective IBoE MTU. */ - mtu = mtu - IB_GRH_BYTES - IB_BTH_BYTES - 28; + mtu = mtu - (IB_GRH_BYTES + IB_UDP_BYTES + IB_BTH_BYTES + + IB_EXT_XRC_BYTES + IB_EXT_ATOMICETH_BYTES + + IB_ICRC_BYTES); if (mtu >= ib_mtu_enum_to_int(IB_MTU_4096)) return IB_MTU_4096; @@ -304,7 +307,13 @@ static inline void rdma_get_ll_mac(struct in6_addr *addr, u8 *mac) static inline int rdma_is_multicast_addr(struct in6_addr *addr) { - return addr->s6_addr[0] == 0xff; + __be32 ipv4_addr; + + if (addr->s6_addr[0] == 0xff) + return 1; + + ipv4_addr = addr->s6_addr32[3]; + return (ipv6_addr_v4mapped(addr) && ipv4_is_multicast(ipv4_addr)); } static inline void rdma_get_mcast_mac(struct in6_addr *addr, u8 *mac) |