diff options
| author | Devesh Sharma <devesh.sharma@avagotech.com> | 2015-05-19 09:02:35 +0300 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2015-05-18 17:25:24 +0300 |
| commit | 6f5deab0bed6bcfad0dbafcb40a1e269a01ab01d (patch) | |
| tree | 1b86c517abf3645d3289179deb0aa522b51f2a11 /drivers/infiniband/hw/ocrdma/ocrdma_ah.c | |
| parent | fe48822bc6d5b455aab963038a9c776d641645cc (diff) | |
| download | linux-6f5deab0bed6bcfad0dbafcb40a1e269a01ab01d.tar.xz | |
RDMA/ocrdma: Use VID 0 if PFC is enabled and vlan is not configured
If the adapter ports are in PFC mode and VLAN is not configured,
use vlan tag 0 for RoCE traffic. Also, log an advisory message
in system logs.
Signed-off-by: Padmanabh Ratnakar <padmanabh.ratnakar@avagotech.com>
Signed-off-by: Devesh Sharma <devesh.sharma@avagotech.com>
Signed-off-by: Selvin Xavier <selvin.xavier@avagotech.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/hw/ocrdma/ocrdma_ah.c')
| -rw-r--r-- | drivers/infiniband/hw/ocrdma/ocrdma_ah.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_ah.c b/drivers/infiniband/hw/ocrdma/ocrdma_ah.c index d812904f3984..2a5993b75651 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_ah.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_ah.c @@ -56,7 +56,13 @@ static inline int set_av_attr(struct ocrdma_dev *dev, struct ocrdma_ah *ah, vlan_tag = attr->vlan_id; if (!vlan_tag || (vlan_tag > 0xFFF)) vlan_tag = dev->pvid; - if (vlan_tag && (vlan_tag < 0x1000)) { + if (vlan_tag || dev->pfc_state) { + if (!vlan_tag) { + pr_err("ocrdma%d:Using VLAN with PFC is recommended\n", + dev->id); + pr_err("ocrdma%d:Using VLAN 0 for this connection\n", + dev->id); + } eth.eth_type = cpu_to_be16(0x8100); eth.roce_eth_type = cpu_to_be16(OCRDMA_ROCE_ETH_TYPE); vlan_tag |= (dev->sl & 0x07) << OCRDMA_VID_PCP_SHIFT; |