diff options
| -rw-r--r-- | drivers/infiniband/core/core_priv.h | 3 | ||||
| -rw-r--r-- | drivers/infiniband/core/uverbs_cmd.c | 8 | ||||
| -rw-r--r-- | drivers/infiniband/core/verbs.c | 84 | ||||
| -rw-r--r-- | include/rdma/ib_verbs.h | 2 |
4 files changed, 49 insertions, 48 deletions
diff --git a/drivers/infiniband/core/core_priv.h b/drivers/infiniband/core/core_priv.h index 19d499dcab76..1acc95b3aaa3 100644 --- a/drivers/infiniband/core/core_priv.h +++ b/drivers/infiniband/core/core_priv.h @@ -72,9 +72,6 @@ void ib_device_unregister_sysfs(struct ib_device *device); void ib_cache_setup(void); void ib_cache_cleanup(void); -int ib_resolve_eth_dmac(struct ib_qp *qp, - struct ib_qp_attr *qp_attr, int *qp_attr_mask); - typedef void (*roce_netdev_callback)(struct ib_device *device, u8 port, struct net_device *idev, void *cookie); diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c index d84dcde7a8bb..77bb15f66414 100644 --- a/drivers/infiniband/core/uverbs_cmd.c +++ b/drivers/infiniband/core/uverbs_cmd.c @@ -2402,9 +2402,11 @@ ssize_t ib_uverbs_modify_qp(struct ib_uverbs_file *file, attr->alt_ah_attr.port_num = cmd.alt_dest.port_num; if (qp->real_qp == qp) { - ret = ib_resolve_eth_dmac(qp, attr, &cmd.attr_mask); - if (ret) - goto release_qp; + if (cmd.attr_mask & IB_QP_AV) { + ret = ib_resolve_eth_dmac(qp->device, &attr->ah_attr); + if (ret) + goto release_qp; + } ret = qp->device->modify_qp(qp, attr, modify_qp_mask(qp->qp_type, cmd.attr_mask), &udata); } else { diff --git a/drivers/infiniband/core/verbs.c b/drivers/infiniband/core/verbs.c index 98e10c5f2a96..cacee169cd55 100644 --- a/drivers/infiniband/core/verbs.c +++ b/drivers/infiniband/core/verbs.c @@ -1198,66 +1198,66 @@ int ib_modify_qp_is_ok(enum ib_qp_state cur_state, enum ib_qp_state next_state, } EXPORT_SYMBOL(ib_modify_qp_is_ok); -int ib_resolve_eth_dmac(struct ib_qp *qp, - struct ib_qp_attr *qp_attr, int *qp_attr_mask) +int ib_resolve_eth_dmac(struct ib_device *device, + struct ib_ah_attr *ah_attr) { int ret = 0; - if (*qp_attr_mask & IB_QP_AV) { - if (qp_attr->ah_attr.port_num < rdma_start_port(qp->device) || - qp_attr->ah_attr.port_num > rdma_end_port(qp->device)) - return -EINVAL; - - if (!rdma_cap_eth_ah(qp->device, qp_attr->ah_attr.port_num)) - return 0; - - if (rdma_link_local_addr((struct in6_addr *)qp_attr->ah_attr.grh.dgid.raw)) { - rdma_get_ll_mac((struct in6_addr *)qp_attr->ah_attr.grh.dgid.raw, - qp_attr->ah_attr.dmac); - } else { - union ib_gid sgid; - struct ib_gid_attr sgid_attr; - int ifindex; - int hop_limit; - - ret = ib_query_gid(qp->device, - qp_attr->ah_attr.port_num, - qp_attr->ah_attr.grh.sgid_index, - &sgid, &sgid_attr); - - if (ret || !sgid_attr.ndev) { - if (!ret) - ret = -ENXIO; - goto out; - } + if (ah_attr->port_num < rdma_start_port(device) || + ah_attr->port_num > rdma_end_port(device)) + return -EINVAL; - ifindex = sgid_attr.ndev->ifindex; + if (!rdma_cap_eth_ah(device, ah_attr->port_num)) + return 0; - ret = rdma_addr_find_l2_eth_by_grh(&sgid, - &qp_attr->ah_attr.grh.dgid, - qp_attr->ah_attr.dmac, - NULL, &ifindex, &hop_limit); + if (rdma_link_local_addr((struct in6_addr *)ah_attr->grh.dgid.raw)) { + rdma_get_ll_mac((struct in6_addr *)ah_attr->grh.dgid.raw, + ah_attr->dmac); + } else { + union ib_gid sgid; + struct ib_gid_attr sgid_attr; + int ifindex; + int hop_limit; + + ret = ib_query_gid(device, + ah_attr->port_num, + ah_attr->grh.sgid_index, + &sgid, &sgid_attr); + + if (ret || !sgid_attr.ndev) { + if (!ret) + ret = -ENXIO; + goto out; + } - dev_put(sgid_attr.ndev); + ifindex = sgid_attr.ndev->ifindex; - qp_attr->ah_attr.grh.hop_limit = hop_limit; - } + ret = rdma_addr_find_l2_eth_by_grh(&sgid, + &ah_attr->grh.dgid, + ah_attr->dmac, + NULL, &ifindex, &hop_limit); + + dev_put(sgid_attr.ndev); + + ah_attr->grh.hop_limit = hop_limit; } out: return ret; } EXPORT_SYMBOL(ib_resolve_eth_dmac); - int ib_modify_qp(struct ib_qp *qp, struct ib_qp_attr *qp_attr, int qp_attr_mask) { - int ret; - ret = ib_resolve_eth_dmac(qp, qp_attr, &qp_attr_mask); - if (ret) - return ret; + if (qp_attr_mask & IB_QP_AV) { + int ret; + + ret = ib_resolve_eth_dmac(qp->device, &qp_attr->ah_attr); + if (ret) + return ret; + } return qp->device->modify_qp(qp->real_qp, qp_attr, qp_attr_mask, NULL); } diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index 6d0dd6525e14..0c6f973e407c 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -3394,4 +3394,6 @@ void ib_drain_rq(struct ib_qp *qp); void ib_drain_sq(struct ib_qp *qp); void ib_drain_qp(struct ib_qp *qp); +int ib_resolve_eth_dmac(struct ib_device *device, + struct ib_ah_attr *ah_attr); #endif /* IB_VERBS_H */ |