Quoting r. Sean Hefty <[EMAIL PROTECTED]>:
> Subject: RFC: e2e credits
>
> >Sean, just to wrap it up, the API at the verbs layer will look like the
> >below,
> >and then ULPs just put the value they want in the CM and CM will pass
> >it in to low level.
>
> I'm fine with this, but I do think that it's a minor spec
> violation/enhancement,
> so I'd like to get agreement with Hal, Roland, and other HCA vendors about
> this
> change.
>
> - Sean
I think Hal spoke on this already.
Guys, please review the verbs.h extension below - I'll be submitting a patch
including CM update and mthca implementation next week.
Anyone has a problem with this?
Index: openib/drivers/infiniband/include/rdma/ib_user_verbs.h
===================================================================
--- openib.orig/drivers/infiniband/include/rdma/ib_user_verbs.h 2006-03-02
21:41:01.000000000 +0200
+++ openib/drivers/infiniband/include/rdma/ib_user_verbs.h 2006-03-23
00:50:48.000000000 +0200
@@ -378,7 +378,8 @@ struct ib_uverbs_qp_attr {
__u8 rnr_retry;
__u8 alt_port_num;
__u8 alt_timeout;
- __u8 reserved[5];
+ __u8 flow_control;
+ __u8 reserved[4];
};
struct ib_uverbs_create_qp {
Index: openib/drivers/infiniband/include/rdma/ib_verbs.h
===================================================================
--- openib.orig/drivers/infiniband/include/rdma/ib_verbs.h 2006-03-02
21:41:01.000000000 +0200
+++ openib/drivers/infiniband/include/rdma/ib_verbs.h 2006-03-23
00:50:28.000000000 +0200
@@ -573,6 +573,7 @@ struct ib_qp_attr {
u8 rnr_retry;
u8 alt_port_num;
u8 alt_timeout;
+ u8 flow_control;
};
enum ib_wr_opcode {
--
Michael S. Tsirkin
Staff Engineer, Mellanox Technologies
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