diff options
| -rw-r--r-- | drivers/infiniband/core/addr.c | 49 |
1 files changed, 20 insertions, 29 deletions
diff --git a/drivers/infiniband/core/addr.c b/drivers/infiniband/core/addr.c index be0743dac3ff..594e7ee335f7 100644 --- a/drivers/infiniband/core/addr.c +++ b/drivers/infiniband/core/addr.c @@ -465,34 +465,6 @@ static int addr_resolve_neigh(const struct dst_entry *dst, return ret; } -static int copy_src_l2_addr(struct rdma_dev_addr *dev_addr, - const struct sockaddr *dst_in, - const struct dst_entry *dst, - const struct net_device *ndev) -{ - int ret = 0; - - if (dst->dev->flags & IFF_LOOPBACK) - ret = rdma_translate_ip(dst_in, dev_addr); - else - rdma_copy_src_l2_addr(dev_addr, dst->dev); - - /* - * If there's a gateway and type of device not ARPHRD_INFINIBAND, - * we're definitely in RoCE v2 (as RoCE v1 isn't routable) set the - * network type accordingly. - */ - if (has_gateway(dst, dst_in->sa_family) && - ndev->type != ARPHRD_INFINIBAND) - dev_addr->network = dst_in->sa_family == AF_INET ? - RDMA_NETWORK_IPV4 : - RDMA_NETWORK_IPV6; - else - dev_addr->network = RDMA_NETWORK_IB; - - return ret; -} - static int rdma_set_src_addr_rcu(struct rdma_dev_addr *dev_addr, unsigned int *ndev_flags, const struct sockaddr *dst_in, @@ -503,6 +475,7 @@ static int rdma_set_src_addr_rcu(struct rdma_dev_addr *dev_addr, *ndev_flags = ndev->flags; /* A physical device must be the RDMA device to use */ if (ndev->flags & IFF_LOOPBACK) { + int ret; /* * RDMA (IB/RoCE, iWarp) doesn't run on lo interface or * loopback IP address. So if route is resolved to loopback @@ -512,9 +485,27 @@ static int rdma_set_src_addr_rcu(struct rdma_dev_addr *dev_addr, ndev = rdma_find_ndev_for_src_ip_rcu(dev_net(ndev), dst_in); if (IS_ERR(ndev)) return -ENODEV; + ret = rdma_translate_ip(dst_in, dev_addr); + if (ret) + return ret; + } else { + rdma_copy_src_l2_addr(dev_addr, dst->dev); } - return copy_src_l2_addr(dev_addr, dst_in, dst, ndev); + /* + * If there's a gateway and type of device not ARPHRD_INFINIBAND, + * we're definitely in RoCE v2 (as RoCE v1 isn't routable) set the + * network type accordingly. + */ + if (has_gateway(dst, dst_in->sa_family) && + ndev->type != ARPHRD_INFINIBAND) + dev_addr->network = dst_in->sa_family == AF_INET ? + RDMA_NETWORK_IPV4 : + RDMA_NETWORK_IPV6; + else + dev_addr->network = RDMA_NETWORK_IB; + + return 0; } static int set_addr_netns_by_gid_rcu(struct rdma_dev_addr *addr) |