diff options
-rw-r--r-- | drivers/infiniband/core/core_priv.h | 2 | ||||
-rw-r--r-- | drivers/infiniband/core/uverbs_cmd.c | 4 | ||||
-rw-r--r-- | drivers/infiniband/core/verbs.c | 43 |
3 files changed, 49 insertions, 0 deletions
diff --git a/drivers/infiniband/core/core_priv.h b/drivers/infiniband/core/core_priv.h index a565af5..87d1936 100644 --- a/drivers/infiniband/core/core_priv.h +++ b/drivers/infiniband/core/core_priv.h @@ -49,4 +49,6 @@ void ib_sysfs_cleanup(void); int ib_cache_setup(void); void ib_cache_cleanup(void); +int ib_resolve_eth_l2_attrs(struct ib_qp *qp, + struct ib_qp_attr *qp_attr, int *qp_attr_mask); #endif /* _CORE_PRIV_H */ diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c index f1cc838..ea6203e 100644 --- a/drivers/infiniband/core/uverbs_cmd.c +++ b/drivers/infiniband/core/uverbs_cmd.c @@ -40,6 +40,7 @@ #include <asm/uaccess.h> #include "uverbs.h" +#include "core_priv.h" struct uverbs_lock_class { struct lock_class_key key; @@ -1961,6 +1962,9 @@ 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_l2_attrs(qp, attr, &cmd.attr_mask); + if (ret) + goto out; 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 7978394..b3acfc0 100644 --- a/drivers/infiniband/core/verbs.c +++ b/drivers/infiniband/core/verbs.c @@ -46,6 +46,8 @@ #include <rdma/ib_cache.h> #include <rdma/ib_addr.h> +#include "core_priv.h" + int ib_rate_to_mult(enum ib_rate rate) { switch (rate) { @@ -859,10 +861,51 @@ 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_l2_attrs(struct ib_qp *qp, + struct ib_qp_attr *qp_attr, int *qp_attr_mask) +{ + int ret = 0; + union ib_gid sgid; + + if ((*qp_attr_mask & IB_QP_AV) && + (rdma_port_get_link_layer(qp->device, qp_attr->ah_attr.port_num) == IB_LINK_LAYER_ETHERNET)) { + ret = ib_query_gid(qp->device, qp_attr->ah_attr.port_num, + qp_attr->ah_attr.grh.sgid_index, &sgid); + if (ret) + goto out; + 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); + rdma_get_ll_mac((struct in6_addr *)sgid.raw, qp_attr->smac); + qp_attr->vlan_id = rdma_get_vlan_id(&sgid); + } else { + ret = rdma_addr_find_dmac_by_grh(&sgid, &qp_attr->ah_attr.grh.dgid, + qp_attr->ah_attr.dmac, &qp_attr->vlan_id); + if (ret) + goto out; + ret = rdma_addr_find_smac_by_sgid(&sgid, qp_attr->smac, NULL); + if (ret) + goto out; + } + *qp_attr_mask |= IB_QP_SMAC; + if (qp_attr->vlan_id < 0xFFFF) + *qp_attr_mask |= IB_QP_VID; + } +out: + return ret; +} +EXPORT_SYMBOL(ib_resolve_eth_l2_attrs); + + int ib_modify_qp(struct ib_qp *qp, struct ib_qp_attr *qp_attr, int qp_attr_mask) { + int ret; + + ret = ib_resolve_eth_l2_attrs(qp, qp_attr, &qp_attr_mask); + if (ret) + return ret; + return qp->device->modify_qp(qp->real_qp, qp_attr, qp_attr_mask, NULL); } EXPORT_SYMBOL(ib_modify_qp); |