diff options
| author |   Mike Marciniszyn <mike.marciniszyn@intel.com> | 2015-11-10 09:13:55 -0500 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-11-19 16:58:18 -0800 |
| commit | 2fd36865b570667bf3deb0ad3e1f7739ce85c063 (patch) | |
| tree | 2ec408ba2f153ba11db0e86f1355bb471e1f081c /drivers/staging/rdma/hfi1/verbs.h | |
| parent | staging/rdma/hfi1: Workaround to prevent corruption during packet delivery (diff) | |
| download | linux-dev-2fd36865b570667bf3deb0ad3e1f7739ce85c063.tar.xz linux-dev-2fd36865b570667bf3deb0ad3e1f7739ce85c063.zip | |
staging/rdma/hfi1: add common routine for queuing acks
This patch is a prelimary patch required to
coalesce acks.
The routine to "schedule" a QP for sending a NAK is
now centralized in rc_defer_ack(). The flag is changed
for clarity since the all acks will potentially use
the deferral mechanism.
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/rdma/hfi1/verbs.h')
| -rw-r--r-- | drivers/staging/rdma/hfi1/verbs.h | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/staging/rdma/hfi1/verbs.h b/drivers/staging/rdma/hfi1/verbs.h index fdbe0f9d5f31..6a49a3ca96b4 100644 --- a/drivers/staging/rdma/hfi1/verbs.h +++ b/drivers/staging/rdma/hfi1/verbs.h @@ -553,11 +553,13 @@ struct hfi1_qp { /* * Bit definitions for r_flags. */ -#define HFI1_R_REUSE_SGE 0x01 -#define HFI1_R_RDMAR_SEQ 0x02 -#define HFI1_R_RSP_NAK 0x04 -#define HFI1_R_RSP_SEND 0x08 -#define HFI1_R_COMM_EST 0x10 +#define HFI1_R_REUSE_SGE 0x01 +#define HFI1_R_RDMAR_SEQ 0x02 +/* defer ack until end of interrupt session */ +#define HFI1_R_RSP_DEFERED_ACK 0x04 +/* relay ack to send engine */ +#define HFI1_R_RSP_SEND 0x08 +#define HFI1_R_COMM_EST 0x10 /* * Bit definitions for s_flags. |