Introduce maximum WQE size to check limits (4e8d683f) · Commits · 戴 / test

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:

drivers/infiniband/sw/rxe/rxe_param.h

+6 −1

Original line number	Diff line number	Diff line
		@@ -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,