mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-10-05 16:37:50 +00:00
Code Issues Releases Wiki Activity

Introduce maximum WQE size to check limits

Browse source 
Introduce maximum WQE size to impose limits on max SGE's and inline data

Link: https://lore.kernel.org/r/1578962480-17814-2-git-send-email-rao.shoaib@oracle.com
Signed-off-by: Rao Shoaib <rao.shoaib@oracle.com>
Reviewed-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Rao Shoaib 2020-01-13 16:41:19 -08:00 committed by Jason Gunthorpe
parent 0428c6ef8a
commit 4e8d683f11
1 changed files with 6 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

7
drivers/infiniband/sw/rxe/rxe_param.h
View file

@ -34,6 +34,8 @@
#ifndef RXE_PARAM_H
#define RXE_PARAM_H
#include <uapi/rdma/rdma_user_rxe.h>
static inline enum ib_mtu rxe_mtu_int_to_enum(int mtu)
{
if (mtu < 256)
@ -64,7 +66,6 @@ enum rxe_device_param {
RXE_PAGE_SIZE_CAP = 0xfffff000,
RXE_MAX_QP = 0x10000,
RXE_MAX_QP_WR = 0x4000,
RXE_MAX_INLINE_DATA = 400,
RXE_DEVICE_CAP_FLAGS = IB_DEVICE_BAD_PKEY_CNTR
| IB_DEVICE_BAD_QKEY_CNTR
| IB_DEVICE_AUTO_PATH_MIG
@ -77,6 +78,10 @@ enum rxe_device_param {
| IB_DEVICE_MEM_MGT_EXTENSIONS
| IB_DEVICE_ALLOW_USER_UNREG,
RXE_MAX_SGE = 32,
RXE_MAX_WQE_SIZE = sizeof(struct rxe_send_wqe) +
sizeof(struct ib_sge) * RXE_MAX_SGE,
RXE_MAX_INLINE_DATA = RXE_MAX_WQE_SIZE -
sizeof(struct rxe_send_wqe),
RXE_MAX_SGE_RD = 32,
RXE_MAX_CQ = 16384,
RXE_MAX_LOG_CQE = 15,