diff options
| author | Devesh Sharma <devesh.sharma@emulex.com> | 2014-12-18 09:43:07 +0100 |
|---|---|---|
| committer | Roland Dreier <roland@purestorage.com> | 2015-02-18 17:31:05 +0100 |
| commit | 29565f2f09d79efeab324bda0631def14a755047 (patch) | |
| tree | 355c3a65c3b4f0b915a9cdc502ede7bf499cf944 /drivers/infiniband/hw/ocrdma/ocrdma_ah.c | |
| parent | RDMA/ocrdma: remove reference of ocrdma_dev out of ocrdma_qp structure (diff) | |
| download | linux-29565f2f09d79efeab324bda0631def14a755047.tar.xz linux-29565f2f09d79efeab324bda0631def14a755047.zip | |
RDMA/ocrdma: set vlan present bit for user AH
For the AH that describs a VLAN interface details, vlan present bit
needs to be set during posting a WQE. This patch adds the code to
allow it happening.
Signed-off-by: Mitesh Ahuja <mitesh.ahuja@emulex.com>
Signed-off-by: Devesh Sharma <devesh.sharma@emulex.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
Diffstat (limited to 'drivers/infiniband/hw/ocrdma/ocrdma_ah.c')
| -rw-r--r-- | drivers/infiniband/hw/ocrdma/ocrdma_ah.c | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_ah.c b/drivers/infiniband/hw/ocrdma/ocrdma_ah.c index b80b57b40043..d812904f3984 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_ah.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_ah.c @@ -40,10 +40,11 @@ #define OCRDMA_VID_PCP_SHIFT 0xD static inline int set_av_attr(struct ocrdma_dev *dev, struct ocrdma_ah *ah, - struct ib_ah_attr *attr, union ib_gid *sgid, int pdid) + struct ib_ah_attr *attr, union ib_gid *sgid, + int pdid, bool *isvlan) { int status = 0; - u16 vlan_tag; bool vlan_enabled = false; + u16 vlan_tag; struct ocrdma_eth_vlan eth; struct ocrdma_grh grh; int eth_sz; @@ -61,7 +62,7 @@ static inline int set_av_attr(struct ocrdma_dev *dev, struct ocrdma_ah *ah, vlan_tag |= (dev->sl & 0x07) << OCRDMA_VID_PCP_SHIFT; eth.vlan_tag = cpu_to_be16(vlan_tag); eth_sz = sizeof(struct ocrdma_eth_vlan); - vlan_enabled = true; + *isvlan = true; } else { eth.eth_type = cpu_to_be16(OCRDMA_ROCE_ETH_TYPE); eth_sz = sizeof(struct ocrdma_eth_basic); @@ -84,7 +85,7 @@ static inline int set_av_attr(struct ocrdma_dev *dev, struct ocrdma_ah *ah, /* Eth HDR */ memcpy(&ah->av->eth_hdr, ð, eth_sz); memcpy((u8 *)ah->av + eth_sz, &grh, sizeof(struct ocrdma_grh)); - if (vlan_enabled) + if (*isvlan) ah->av->valid |= OCRDMA_AV_VLAN_VALID; ah->av->valid = cpu_to_le32(ah->av->valid); return status; @@ -93,6 +94,7 @@ static inline int set_av_attr(struct ocrdma_dev *dev, struct ocrdma_ah *ah, struct ib_ah *ocrdma_create_ah(struct ib_pd *ibpd, struct ib_ah_attr *attr) { u32 *ahid_addr; + bool isvlan = false; int status; struct ocrdma_ah *ah; struct ocrdma_pd *pd = get_ocrdma_pd(ibpd); @@ -129,15 +131,20 @@ struct ib_ah *ocrdma_create_ah(struct ib_pd *ibpd, struct ib_ah_attr *attr) } } - status = set_av_attr(dev, ah, attr, &sgid, pd->id); + status = set_av_attr(dev, ah, attr, &sgid, pd->id, &isvlan); if (status) goto av_conf_err; /* if pd is for the user process, pass the ah_id to user space */ if ((pd->uctx) && (pd->uctx->ah_tbl.va)) { ahid_addr = pd->uctx->ah_tbl.va + attr->dlid; - *ahid_addr = ah->id; + *ahid_addr = 0; + *ahid_addr |= ah->id & OCRDMA_AH_ID_MASK; + if (isvlan) + *ahid_addr |= (OCRDMA_AH_VLAN_VALID_MASK << + OCRDMA_AH_VLAN_VALID_SHIFT); } + return &ah->ibah; av_conf_err: |