diff options
| author | Or Gerlitz <ogerlitz@mellanox.com> | 2011-10-10 10:54:42 +0200 |
|---|---|---|
| committer | Roland Dreier <roland@purestorage.com> | 2011-10-31 11:57:51 -0700 |
| commit | 80a2dcd8d05c11d42f4e606d7a5f3eaa2794ab34 (patch) | |
| tree | 4407b7481a5382bc10e5f91c77dec3b98f7f8b9c /drivers/infiniband/hw/mlx4/qp.c | |
| parent | bcacb897569f0e7aab7643b22567d8de22ef9dfc (diff) | |
| download | lwn-80a2dcd8d05c11d42f4e606d7a5f3eaa2794ab34.tar.gz lwn-80a2dcd8d05c11d42f4e606d7a5f3eaa2794ab34.zip | |
IB/mlx4: Don't set VLAN in IBoE WQEs' control segment
There's no need to set the vlan-related fields in an IBoE send WQE
control segment:
- the vlan to be used by a UD QP is set in the datagram segment.
- for GSI (CM) QP, all the headers down to 8021q and MAC are built by
the software anyway.
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
Diffstat (limited to 'drivers/infiniband/hw/mlx4/qp.c')
| -rw-r--r-- | drivers/infiniband/hw/mlx4/qp.c | 11 |
1 files changed, 2 insertions, 9 deletions
diff --git a/drivers/infiniband/hw/mlx4/qp.c b/drivers/infiniband/hw/mlx4/qp.c index 3a91d9d8dc51..819b1a535b55 100644 --- a/drivers/infiniband/hw/mlx4/qp.c +++ b/drivers/infiniband/hw/mlx4/qp.c @@ -1547,14 +1547,13 @@ static void set_masked_atomic_seg(struct mlx4_wqe_masked_atomic_seg *aseg, } static void set_datagram_seg(struct mlx4_wqe_datagram_seg *dseg, - struct ib_send_wr *wr, __be16 *vlan) + struct ib_send_wr *wr) { memcpy(dseg->av, &to_mah(wr->wr.ud.ah)->av, sizeof (struct mlx4_av)); dseg->dqpn = cpu_to_be32(wr->wr.ud.remote_qpn); dseg->qkey = cpu_to_be32(wr->wr.ud.remote_qkey); dseg->vlan = to_mah(wr->wr.ud.ah)->av.eth.vlan; memcpy(dseg->mac, to_mah(wr->wr.ud.ah)->av.eth.mac, 6); - *vlan = dseg->vlan; } static void set_mlx_icrc_seg(void *dseg) @@ -1657,7 +1656,6 @@ int mlx4_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, __be32 uninitialized_var(lso_hdr_sz); __be32 blh; int i; - __be16 vlan = cpu_to_be16(0xffff); spin_lock_irqsave(&qp->sq.lock, flags); @@ -1761,7 +1759,7 @@ int mlx4_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, break; case IB_QPT_UD: - set_datagram_seg(wqe, wr, &vlan); + set_datagram_seg(wqe, wr); wqe += sizeof (struct mlx4_wqe_datagram_seg); size += sizeof (struct mlx4_wqe_datagram_seg) / 16; @@ -1824,11 +1822,6 @@ int mlx4_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, ctrl->fence_size = (wr->send_flags & IB_SEND_FENCE ? MLX4_WQE_CTRL_FENCE : 0) | size; - if (be16_to_cpu(vlan) < 0x1000) { - ctrl->ins_vlan = 1 << 6; - ctrl->vlan_tag = vlan; - } - /* * Make sure descriptor is fully written before * setting ownership bit (because HW can start |