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RDMA/qedr: Parse VLAN ID correctly and ignore the value of zero 

Rename vlan_id field name to vlan as it contains more than the vlan_id.
Mask out non vlan id fields from vlan tag of the QED LL2 RX GSI
vlan output. As it is expected to be vlan id only.
Ignore vlan_id with value of zero.

Fixes: abd49676c7 ("qed: Add RoCE ll2 & GSI support")
Signed-off-by: Ram Amrani <Ram.Amrani@cavium.com>
Signed-off-by: Michal Kalderon <Michal.Kalderon@cavium.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Amrani, Ram 2017-10-03 14:47:26 +03:00 committed by Doug Ledford
parent e19cd282eb
commit efe63c220e
2 changed files with 8 additions and 4 deletions
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2
drivers/infiniband/hw/qedr/qedr.h
View File

@ -387,7 +387,7 @@ struct qedr_qp {
u8 wqe_size;
u8 smac[ETH_ALEN];
u16 vlan_id;
u16 vlan;
int rc;
} *rqe_wr_id;

10
drivers/infiniband/hw/qedr/qedr_cm.c
View File

@ -105,7 +105,7 @@ void qedr_ll2_complete_rx_packet(void *cxt,
qp->rqe_wr_id[qp->rq.gsi_cons].rc = data->u.data_length_error ?
-EINVAL : 0;
qp->rqe_wr_id[qp->rq.gsi_cons].vlan_id = data->vlan;
qp->rqe_wr_id[qp->rq.gsi_cons].vlan = data->vlan;
/* note: length stands for data length i.e. GRH is excluded */
qp->rqe_wr_id[qp->rq.gsi_cons].sg_list[0].length =
data->length.data_length;
@ -694,6 +694,7 @@ int qedr_gsi_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc)
struct qedr_cq *cq = get_qedr_cq(ibcq);
struct qedr_qp *qp = dev->gsi_qp;
unsigned long flags;
u16 vlan_id;
int i = 0;
spin_lock_irqsave(&cq->cq_lock, flags);
@ -712,9 +713,12 @@ int qedr_gsi_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc)
wc[i].wc_flags |= IB_WC_GRH | IB_WC_IP_CSUM_OK;
ether_addr_copy(wc[i].smac, qp->rqe_wr_id[qp->rq.cons].smac);
wc[i].wc_flags |= IB_WC_WITH_SMAC;
if (qp->rqe_wr_id[qp->rq.cons].vlan_id) {
vlan_id = qp->rqe_wr_id[qp->rq.cons].vlan &
VLAN_VID_MASK;
if (vlan_id) {
wc[i].wc_flags |= IB_WC_WITH_VLAN;
wc[i].vlan_id = qp->rqe_wr_id[qp->rq.cons].vlan_id;
wc[i].vlan_id = vlan_id;
}
qedr_inc_sw_cons(&qp->rq);