diff options
Diffstat (limited to 'drivers/net/ethernet/huawei/hinic/hinic_hw_io.c')
| -rw-r--r-- | drivers/net/ethernet/huawei/hinic/hinic_hw_io.c | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_hw_io.c b/drivers/net/ethernet/huawei/hinic/hinic_hw_io.c index 2d07bdd17432..d66f86fa3f46 100644 --- a/drivers/net/ethernet/huawei/hinic/hinic_hw_io.c +++ b/drivers/net/ethernet/huawei/hinic/hinic_hw_io.c @@ -36,6 +36,7 @@ enum io_cmd { IO_CMD_MODIFY_QUEUE_CTXT = 0, + IO_CMD_CLEAN_QUEUE_CTXT, }; static void init_db_area_idx(struct hinic_free_db_area *free_db_area) @@ -201,6 +202,59 @@ static int write_qp_ctxts(struct hinic_func_to_io *func_to_io, u16 base_qpn, write_rq_ctxts(func_to_io, base_qpn, num_qps)); } +static int hinic_clean_queue_offload_ctxt(struct hinic_func_to_io *func_to_io, + enum hinic_qp_ctxt_type ctxt_type) +{ + struct hinic_hwif *hwif = func_to_io->hwif; + struct hinic_clean_queue_ctxt *ctxt_block; + struct pci_dev *pdev = hwif->pdev; + struct hinic_cmdq_buf cmdq_buf; + u64 out_param = 0; + int err; + + err = hinic_alloc_cmdq_buf(&func_to_io->cmdqs, &cmdq_buf); + if (err) { + dev_err(&pdev->dev, "Failed to allocate cmdq buf\n"); + return err; + } + + ctxt_block = cmdq_buf.buf; + ctxt_block->cmdq_hdr.num_queues = func_to_io->max_qps; + ctxt_block->cmdq_hdr.queue_type = ctxt_type; + ctxt_block->cmdq_hdr.addr_offset = 0; + + /* TSO/LRO ctxt size: 0x0:0B; 0x1:160B; 0x2:200B; 0x3:240B */ + ctxt_block->ctxt_size = 0x3; + + hinic_cpu_to_be32(ctxt_block, sizeof(*ctxt_block)); + + cmdq_buf.size = sizeof(*ctxt_block); + + err = hinic_cmdq_direct_resp(&func_to_io->cmdqs, HINIC_MOD_L2NIC, + IO_CMD_CLEAN_QUEUE_CTXT, + &cmdq_buf, &out_param); + + if (err || out_param) { + dev_err(&pdev->dev, "Failed to clean offload ctxts, err: %d, out_param: 0x%llx\n", + err, out_param); + + err = -EFAULT; + } + + hinic_free_cmdq_buf(&func_to_io->cmdqs, &cmdq_buf); + + return err; +} + +static int hinic_clean_qp_offload_ctxt(struct hinic_func_to_io *func_to_io) +{ + /* clean LRO/TSO context space */ + return (hinic_clean_queue_offload_ctxt(func_to_io, + HINIC_QP_CTXT_TYPE_SQ) || + hinic_clean_queue_offload_ctxt(func_to_io, + HINIC_QP_CTXT_TYPE_RQ)); +} + /** * init_qp - Initialize a Queue Pair * @func_to_io: func to io channel that holds the IO components @@ -372,6 +426,12 @@ int hinic_io_create_qps(struct hinic_func_to_io *func_to_io, goto err_write_qp_ctxts; } + err = hinic_clean_qp_offload_ctxt(func_to_io); + if (err) { + dev_err(&pdev->dev, "Failed to clean QP contexts space\n"); + goto err_write_qp_ctxts; + } + return 0; err_write_qp_ctxts: |