diff options
| author | Parav Pandit <parav@mellanox.com> | 2018-06-19 10:59:14 +0300 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@mellanox.com> | 2018-06-25 23:19:56 +0300 |
| commit | b7403217656dcf6c51f09d0bca7a12db0de8934a (patch) | |
| tree | 7b33cae5ff1d69441813710a23498bbb606e13cf /include/rdma/ib_verbs.h | |
| parent | 70324739ac5e0332dc053eaeaba773f5ab755879 (diff) | |
| download | linux-b7403217656dcf6c51f09d0bca7a12db0de8934a.tar.xz | |
IB: Make ib_init_ah_attr_from_wc set sgid_attr
The work completion is inspected to determine what dgid table entry was
used to receieve the packet, produces a sgid_attr that matches and sticks
it in the ah_attr.
All callers of this function are now required to release the ah_attr on
success.
Signed-off-by: Parav Pandit <parav@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Diffstat (limited to 'include/rdma/ib_verbs.h')
| -rw-r--r-- | include/rdma/ib_verbs.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index 995d517c0a76..c01e9c6ed666 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -3150,6 +3150,13 @@ int ib_get_rdma_header_version(const union rdma_network_hdr *hdr); * ignored unless the work completion indicates that the GRH is valid. * @ah_attr: Returned attributes that can be used when creating an address * handle for replying to the message. + * When ib_init_ah_attr_from_wc() returns success, + * (a) for IB link layer it optionally contains a reference to SGID attribute + * when GRH is present for IB link layer. + * (b) for RoCE link layer it contains a reference to SGID attribute. + * User must invoke rdma_cleanup_ah_attr_gid_attr() to release reference to SGID + * attributes which are initialized using ib_init_ah_attr_from_wc(). + * */ int ib_init_ah_attr_from_wc(struct ib_device *device, u8 port_num, const struct ib_wc *wc, const struct ib_grh *grh, |