Looks Good
Reviewed-By: Devesh Sharma <[email protected]>

On Thu, Oct 15, 2015 at 9:08 PM, Matan Barak <[email protected]> wrote:
> The cm and cma don't need to explicitly handle vlan and smac,
> as they are resolved from the GID index now. Removing this
> portion of code.
>
> Signed-off-by: Matan Barak <[email protected]>
> ---
>  drivers/infiniband/core/cm.c  | 30 ------------------------------
>  drivers/infiniband/core/cma.c |  6 ------
>  2 files changed, 36 deletions(-)
>
> diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c
> index ea7f3c5..6dd24a5 100644
> --- a/drivers/infiniband/core/cm.c
> +++ b/drivers/infiniband/core/cm.c
> @@ -179,8 +179,6 @@ struct cm_av {
>         struct ib_ah_attr ah_attr;
>         u16 pkey_index;
>         u8 timeout;
> -       u8  valid;
> -       u8  smac[ETH_ALEN];
>  };
>
>  struct cm_work {
> @@ -389,7 +387,6 @@ static int cm_init_av_by_path(struct ib_sa_path_rec 
> *path, struct cm_av *av)
>                              &av->ah_attr);
>         av->timeout = path->packet_life_time + 1;
>
> -       av->valid = 1;
>         return 0;
>  }
>
> @@ -1637,7 +1634,6 @@ static int cm_req_handler(struct cm_work *work)
>         cm_format_paths_from_req(req_msg, &work->path[0], &work->path[1]);
>
>         memcpy(work->path[0].dmac, cm_id_priv->av.ah_attr.dmac, ETH_ALEN);
> -       work->path[0].vlan_id = cm_id_priv->av.ah_attr.vlan_id;
>         ret = cm_init_av_by_path(&work->path[0], &cm_id_priv->av);
>         if (ret) {
>                 ib_get_cached_gid(work->port->cm_dev->ib_device,
> @@ -3614,32 +3610,6 @@ static int cm_init_qp_rtr_attr(struct cm_id_private 
> *cm_id_priv,
>                 *qp_attr_mask = IB_QP_STATE | IB_QP_AV | IB_QP_PATH_MTU |
>                                 IB_QP_DEST_QPN | IB_QP_RQ_PSN;
>                 qp_attr->ah_attr = cm_id_priv->av.ah_attr;
> -               if (!cm_id_priv->av.valid) {
> -                       spin_unlock_irqrestore(&cm_id_priv->lock, flags);
> -                       return -EINVAL;
> -               }
> -               if (cm_id_priv->av.ah_attr.vlan_id != 0xffff) {
> -                       qp_attr->vlan_id = cm_id_priv->av.ah_attr.vlan_id;
> -                       *qp_attr_mask |= IB_QP_VID;
> -               }
> -               if (!is_zero_ether_addr(cm_id_priv->av.smac)) {
> -                       memcpy(qp_attr->smac, cm_id_priv->av.smac,
> -                              sizeof(qp_attr->smac));
> -                       *qp_attr_mask |= IB_QP_SMAC;
> -               }
> -               if (cm_id_priv->alt_av.valid) {
> -                       if (cm_id_priv->alt_av.ah_attr.vlan_id != 0xffff) {
> -                               qp_attr->alt_vlan_id =
> -                                       cm_id_priv->alt_av.ah_attr.vlan_id;
> -                               *qp_attr_mask |= IB_QP_ALT_VID;
> -                       }
> -                       if (!is_zero_ether_addr(cm_id_priv->alt_av.smac)) {
> -                               memcpy(qp_attr->alt_smac,
> -                                      cm_id_priv->alt_av.smac,
> -                                      sizeof(qp_attr->alt_smac));
> -                               *qp_attr_mask |= IB_QP_ALT_SMAC;
> -                       }
> -               }
>                 qp_attr->path_mtu = cm_id_priv->path_mtu;
>                 qp_attr->dest_qp_num = be32_to_cpu(cm_id_priv->remote_qpn);
>                 qp_attr->rq_psn = be32_to_cpu(cm_id_priv->rq_psn);
> diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
> index 849c280..bc11ea4 100644
> --- a/drivers/infiniband/core/cma.c
> +++ b/drivers/infiniband/core/cma.c
> @@ -733,12 +733,6 @@ static int cma_modify_qp_rtr(struct rdma_id_private 
> *id_priv,
>
>         BUG_ON(id_priv->cma_dev->device != id_priv->id.device);
>
> -       if (rdma_protocol_roce(id_priv->id.device, id_priv->id.port_num)) {
> -               ret = rdma_addr_find_smac_by_sgid(&sgid, qp_attr.smac, NULL);
> -
> -               if (ret)
> -                       goto out;
> -       }
>         if (conn_param)
>                 qp_attr.max_dest_rd_atomic = conn_param->responder_resources;
>         ret = ib_modify_qp(id_priv->id.qp, &qp_attr, qp_attr_mask);
> --
> 2.1.0
>
> --
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