• Lijun Ou's avatar
    RDMA/hns: Limit the size of extend sge of sq · 05ad5482
    Lijun Ou authored
    The hip08 split two hardware version. The version id are 0x20 and 0x21
    according to the PCI revison. The max size of extend sge of sq is limited
    to 2M for 0x20 version and 8M for 0x21 version. It may be exceeded to 2M
    according to the algorithm that compute the product of wqe count and
    extend sge number of every wqe. But the product always less than 8M.
    Signed-off-by: default avatarLijun Ou <oulijun@huawei.com>
    Signed-off-by: default avatarJason Gunthorpe <jgg@mellanox.com>
    05ad5482
hns_roce_hw_v2.c 161 KB