From 55046698faf6357ff7c53593dbfd43a9a3f681a7 Mon Sep 17 00:00:00 2001 From: Ralph Campbell Date: Fri, 17 Aug 2007 11:28:48 -0700 Subject: IB/ipath: UC RDMA WRITE with IMMEDIATE doesn't send the immediate This patch fixes a bug in the receive processing for UC RDMA WRITE with immediate which caused the last packet to be dropped. Signed-off-by: Ralph Campbell Signed-off-by: Roland Dreier --- drivers/infiniband/hw/ipath/ipath_uc.c | 21 +++++++++++---------- 1 file changed, 11 insertions(+), 10 deletions(-) (limited to 'drivers/infiniband/hw/ipath/ipath_uc.c') diff --git a/drivers/infiniband/hw/ipath/ipath_uc.c b/drivers/infiniband/hw/ipath/ipath_uc.c index 767beb903c25..2dd8de20d221 100644 --- a/drivers/infiniband/hw/ipath/ipath_uc.c +++ b/drivers/infiniband/hw/ipath/ipath_uc.c @@ -464,6 +464,16 @@ void ipath_uc_rcv(struct ipath_ibdev *dev, struct ipath_ib_header *hdr, case OP(RDMA_WRITE_LAST_WITH_IMMEDIATE): rdma_last_imm: + if (header_in_data) { + wc.imm_data = *(__be32 *) data; + data += sizeof(__be32); + } else { + /* Immediate data comes after BTH */ + wc.imm_data = ohdr->u.imm_data; + } + hdrsize += 4; + wc.wc_flags = IB_WC_WITH_IMM; + /* Get the number of bytes the message was padded by. */ pad = (be32_to_cpu(ohdr->bth[0]) >> 20) & 3; /* Check for invalid length. */ @@ -484,16 +494,7 @@ void ipath_uc_rcv(struct ipath_ibdev *dev, struct ipath_ib_header *hdr, dev->n_pkt_drops++; goto done; } - if (header_in_data) { - wc.imm_data = *(__be32 *) data; - data += sizeof(__be32); - } else { - /* Immediate data comes after BTH */ - wc.imm_data = ohdr->u.imm_data; - } - hdrsize += 4; - wc.wc_flags = IB_WC_WITH_IMM; - wc.byte_len = 0; + wc.byte_len = qp->r_len; goto last_imm; case OP(RDMA_WRITE_LAST): -- cgit v1.2.3