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| author |   Dasaratharaman Chandramouli <dasaratharaman.chandramouli@intel.com> | 2017-04-27 19:06:01 -0400 |
|---|---|---|
| committer |   Doug Ledford <dledford@redhat.com> | 2017-05-01 14:39:02 -0400 |
| commit | 57520751445b837c20a8e658e3dae3a7e7ddf45c (patch) | |
| tree | d1f2d214c2371565131cfa2ff3f9329693225942 /drivers/infiniband/core/uverbs_marshall.c | |
| parent | IB/SA: Split struct sa_path_rec based on IB and ROCE specific fields (diff) | |
| download | linux-dev-57520751445b837c20a8e658e3dae3a7e7ddf45c.tar.xz linux-dev-57520751445b837c20a8e658e3dae3a7e7ddf45c.zip | |
IB/SA: Add OPA path record type
Add opa_sa_path_rec to sa_path_rec data structure.
The 'type' field in sa_path_rec identifies the
type of the path record.
Reviewed-by: Don Hiatt <don.hiatt@intel.com>
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Dasaratharaman Chandramouli <dasaratharaman.chandramouli@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/core/uverbs_marshall.c')
| -rw-r--r-- | drivers/infiniband/core/uverbs_marshall.c | 40 |
1 files changed, 33 insertions, 7 deletions
diff --git a/drivers/infiniband/core/uverbs_marshall.c b/drivers/infiniband/core/uverbs_marshall.c index 50575b63905c..8b9587fe2303 100644 --- a/drivers/infiniband/core/uverbs_marshall.c +++ b/drivers/infiniband/core/uverbs_marshall.c @@ -96,14 +96,14 @@ void ib_copy_qp_attr_to_user(struct ib_uverbs_qp_attr *dst, } EXPORT_SYMBOL(ib_copy_qp_attr_to_user); -void ib_copy_path_rec_to_user(struct ib_user_path_rec *dst, - struct sa_path_rec *src) +void __ib_copy_path_rec_to_user(struct ib_user_path_rec *dst, + struct sa_path_rec *src) { memcpy(dst->dgid, src->dgid.raw, sizeof src->dgid); memcpy(dst->sgid, src->sgid.raw, sizeof src->sgid); - dst->dlid = sa_path_get_dlid(src); - dst->slid = sa_path_get_slid(src); + dst->dlid = htons(ntohl(sa_path_get_dlid(src))); + dst->slid = htons(ntohl(sa_path_get_slid(src))); dst->raw_traffic = sa_path_get_raw_traffic(src); dst->flow_label = src->flow_label; dst->hop_limit = src->hop_limit; @@ -120,17 +120,42 @@ void ib_copy_path_rec_to_user(struct ib_user_path_rec *dst, dst->preference = src->preference; dst->packet_life_time_selector = src->packet_life_time_selector; } + +void ib_copy_path_rec_to_user(struct ib_user_path_rec *dst, + struct sa_path_rec *src) +{ + struct sa_path_rec rec; + + if (src->rec_type == SA_PATH_REC_TYPE_OPA) { + sa_convert_path_opa_to_ib(&rec, src); + __ib_copy_path_rec_to_user(dst, &rec); + return; + } + __ib_copy_path_rec_to_user(dst, src); +} EXPORT_SYMBOL(ib_copy_path_rec_to_user); void ib_copy_path_rec_from_user(struct sa_path_rec *dst, struct ib_user_path_rec *src) { + __be32 slid, dlid; + + memset(dst, 0, sizeof(*dst)); + if ((ib_is_opa_gid((union ib_gid *)src->sgid)) || + (ib_is_opa_gid((union ib_gid *)src->dgid))) { + dst->rec_type = SA_PATH_REC_TYPE_OPA; + slid = htonl(opa_get_lid_from_gid((union ib_gid *)src->sgid)); + dlid = htonl(opa_get_lid_from_gid((union ib_gid *)src->dgid)); + } else { + dst->rec_type = SA_PATH_REC_TYPE_IB; + slid = htonl(ntohs(src->slid)); + dlid = htonl(ntohs(src->dlid)); + } memcpy(dst->dgid.raw, src->dgid, sizeof dst->dgid); memcpy(dst->sgid.raw, src->sgid, sizeof dst->sgid); - dst->rec_type = SA_PATH_REC_TYPE_IB; - sa_path_set_dlid(dst, src->dlid); - sa_path_set_slid(dst, src->slid); + sa_path_set_dlid(dst, dlid); + sa_path_set_slid(dst, slid); sa_path_set_raw_traffic(dst, src->raw_traffic); dst->flow_label = src->flow_label; dst->hop_limit = src->hop_limit; @@ -147,6 +172,7 @@ void ib_copy_path_rec_from_user(struct sa_path_rec *dst, dst->preference = src->preference; dst->packet_life_time_selector = src->packet_life_time_selector; + /* TODO: No need to set this */ sa_path_set_dmac_zero(dst); sa_path_set_ndev(dst, NULL); sa_path_set_ifindex(dst, 0); |