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author | Dennis Dalessandro <dennis.dalessandro@intel.com> | 2016-01-22 13:00:55 -0800 |
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committer | Doug Ledford <dledford@redhat.com> | 2016-03-10 20:37:26 -0500 |
commit | 4e74080b248701c0c2d1af2764bf02f9c531020a (patch) | |
tree | cef6036254dc84bce2c92130f9649c3f6abbf850 /include/rdma/rdmavt_qp.h | |
parent | 120bdafaece72056e48d97809c5abe172824a7f6 (diff) | |
download | linux-stable-4e74080b248701c0c2d1af2764bf02f9c531020a.tar.gz linux-stable-4e74080b248701c0c2d1af2764bf02f9c531020a.tar.bz2 linux-stable-4e74080b248701c0c2d1af2764bf02f9c531020a.zip |
IB/rdmavt: Add multicast functions
This patch adds in the multicast add and remove functions as well as the
ancillary infrastructure needed.
Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'include/rdma/rdmavt_qp.h')
-rw-r--r-- | include/rdma/rdmavt_qp.h | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/include/rdma/rdmavt_qp.h b/include/rdma/rdmavt_qp.h index e66bcc96d273..a97b95ba893f 100644 --- a/include/rdma/rdmavt_qp.h +++ b/include/rdma/rdmavt_qp.h @@ -50,6 +50,7 @@ #include <rdma/rdma_vt.h> #include <rdma/ib_pack.h> +#include <rdma/ib_verbs.h> /* * Atomic bit definitions for r_aflags. */ @@ -386,8 +387,27 @@ struct rvt_qp_ibdev { }; /* + * There is one struct rvt_mcast for each multicast GID. + * All attached QPs are then stored as a list of + * struct rvt_mcast_qp. + */ +struct rvt_mcast_qp { + struct list_head list; + struct rvt_qp *qp; +}; + +struct rvt_mcast { + struct rb_node rb_node; + union ib_gid mgid; + struct list_head qp_list; + wait_queue_head_t wait; + atomic_t refcount; + int n_attached; +}; + +/* * Since struct rvt_swqe is not a fixed size, we can't simply index into - * struct hfi1_qp.s_wq. This function does the array index computation. + * struct rvt_qp.s_wq. This function does the array index computation. */ static inline struct rvt_swqe *rvt_get_swqe_ptr(struct rvt_qp *qp, unsigned n) |