diff options
| author |   Ralph Campbell <ralph.campbell@qlogic.com> | 2007-08-17 11:28:48 -0700 |
|---|---|---|
| committer |   Roland Dreier <rolandd@cisco.com> | 2007-10-09 20:44:56 -0700 |
| commit | 55046698faf6357ff7c53593dbfd43a9a3f681a7 (patch) | |
| tree | 3635486eaad2407d924fdbdce196fb7a020441e0 /drivers/infiniband | |
| parent | IB/ipath: Correctly describe workaround for TID write chip bug (diff) | |
| download | linux-dev-55046698faf6357ff7c53593dbfd43a9a3f681a7.tar.xz linux-dev-55046698faf6357ff7c53593dbfd43a9a3f681a7.zip | |
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 <ralph.campbell@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
Diffstat (limited to 'drivers/infiniband')
| -rw-r--r-- | drivers/infiniband/hw/ipath/ipath_uc.c | 21 |
1 files changed, 11 insertions, 10 deletions
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): |