diff options
| author | Hal Rosenstock <halr@voltaire.com> | 2005-07-27 11:45:34 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-07-27 16:26:12 -0700 |
| commit | 513789ed995fb2ba72ba2a5bee53ea11d1170580 (patch) | |
| tree | fa9a4e73b9420a06af37290ba6ae405200dd0935 /drivers/infiniband/include/ib_verbs.h | |
| parent | cabe3cbcbb3b09637b9e706c49eadb180fca057e (diff) | |
[PATCH] IB: Add ib_create_ah_from_wc to IB verbs
Added new call: ib_create_ah_from_wc. Call will allocate an address handle
given work completion information, including any received GRH.
Signed-off-by: Sean Hefty <sean.hefty@intel.com>
Signed-off-by: Hal Rosenstock <halr@voltaire.com>
Cc: Roland Dreier <rolandd@cisco.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/infiniband/include/ib_verbs.h')
| -rw-r--r-- | drivers/infiniband/include/ib_verbs.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/infiniband/include/ib_verbs.h b/drivers/infiniband/include/ib_verbs.h index b6107c4b683..5d24edaa66e 100644 --- a/drivers/infiniband/include/ib_verbs.h +++ b/drivers/infiniband/include/ib_verbs.h @@ -289,6 +289,15 @@ struct ib_global_route { u8 traffic_class; }; +struct ib_grh { + u32 version_tclass_flow; + u16 paylen; + u8 next_hdr; + u8 hop_limit; + union ib_gid sgid; + union ib_gid dgid; +}; + enum { IB_MULTICAST_QPN = 0xffffff }; @@ -991,6 +1000,21 @@ int ib_dealloc_pd(struct ib_pd *pd); struct ib_ah *ib_create_ah(struct ib_pd *pd, struct ib_ah_attr *ah_attr); /** + * ib_create_ah_from_wc - Creates an address handle associated with the + * sender of the specified work completion. + * @pd: The protection domain associated with the address handle. + * @wc: Work completion information associated with a received message. + * @grh: References the received global route header. This parameter is + * ignored unless the work completion indicates that the GRH is valid. + * @port_num: The outbound port number to associate with the address. + * + * The address handle is used to reference a local or global destination + * in all UD QP post sends. + */ +struct ib_ah *ib_create_ah_from_wc(struct ib_pd *pd, struct ib_wc *wc, + struct ib_grh *grh, u8 port_num); + +/** * ib_modify_ah - Modifies the address vector associated with an address * handle. * @ah: The address handle to modify. |