From e0ae9ecf469fdd3c1ad999efbf4fe6b782f49900 Mon Sep 17 00:00:00 2001 From: "Michael S. Tsirkin" Date: Tue, 29 Nov 2005 11:33:46 -0800 Subject: IB/mthca: fix posting of send lists of length >= 255 on mem-free HCAs On mem-free HCAs, when posting a long list of send requests, a doorbell must be rung every 255 requests. Add code to handle this. Signed-off-by: Michael S. Tsirkin Signed-off-by: Roland Dreier --- drivers/infiniband/hw/mthca/mthca_wqe.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'drivers/infiniband/hw/mthca/mthca_wqe.h') diff --git a/drivers/infiniband/hw/mthca/mthca_wqe.h b/drivers/infiniband/hw/mthca/mthca_wqe.h index 73f1c0b..e7d2c1e 100644 --- a/drivers/infiniband/hw/mthca/mthca_wqe.h +++ b/drivers/infiniband/hw/mthca/mthca_wqe.h @@ -50,7 +50,8 @@ enum { enum { MTHCA_INVAL_LKEY = 0x100, - MTHCA_TAVOR_MAX_WQES_PER_RECV_DB = 256 + MTHCA_TAVOR_MAX_WQES_PER_RECV_DB = 256, + MTHCA_ARBEL_MAX_WQES_PER_SEND_DB = 255 }; struct mthca_next_seg { -- cgit v1.1