On Thu, 23 Mar 2006, Michael S. Tsirkin wrote:
mst> Guys, please review the verbs.h extension below - I'll be
mst> submitting a patch including CM update and mthca implementation
mst> next week. Anyone has a problem with this?
mst>
mst> Index: openib/drivers/infiniband/include/rdma/ib_user_verbs.h
mst> ===================================================================
mst> --- openib.orig/drivers/infiniband/include/rdma/ib_user_verbs.h
2006-03-02 21:41:01.000000000 +0200
mst> +++ openib/drivers/infiniband/include/rdma/ib_user_verbs.h 2006-03-23
00:50:48.000000000 +0200
mst> @@ -378,7 +378,8 @@ struct ib_uverbs_qp_attr {
mst> __u8 rnr_retry;
mst> __u8 alt_port_num;
mst> __u8 alt_timeout;
mst> - __u8 reserved[5];
mst> + __u8 flow_control;
mst> + __u8 reserved[4];
mst> };
mst>
mst> struct ib_uverbs_create_qp {
mst> Index: openib/drivers/infiniband/include/rdma/ib_verbs.h
mst> ===================================================================
mst> --- openib.orig/drivers/infiniband/include/rdma/ib_verbs.h 2006-03-02
21:41:01.000000000 +0200
mst> +++ openib/drivers/infiniband/include/rdma/ib_verbs.h 2006-03-23
00:50:28.000000000 +0200
mst> @@ -573,6 +573,7 @@ struct ib_qp_attr {
mst> u8 rnr_retry;
mst> u8 alt_port_num;
mst> u8 alt_timeout;
mst> + u8 flow_control;
mst> };
mst>
mst> enum ib_wr_opcode {
Will there be a default value? If so, what will it be?
My vote would be for off.
Does all hardware support the ability to turn this on/off?
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