IB/core: Change wc.slid from 16 to 32 bits

slid field in struct ib_wc is increased to 32 bits.
This enables core components to use larger LIDs if needed.
The user ABI is unchanged and return 16 bit values when queried.

Signed-off-by: Dasaratharaman Chandramouli <dasaratharaman.chandramouli@intel.com>
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Don Hiatt <don.hiatt@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Hiatt, Don 2017-06-08 13:37:49 -04:00 committed by Doug Ledford
parent db58540b02
commit 7db20ecd1d
10 changed files with 32 additions and 16 deletions

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@ -1703,7 +1703,7 @@ static void cm_process_routed_req(struct cm_req_msg *req_msg, struct ib_wc *wc)
{
if (!cm_req_get_primary_subnet_local(req_msg)) {
if (req_msg->primary_local_lid == IB_LID_PERMISSIVE) {
req_msg->primary_local_lid = cpu_to_be16(wc->slid);
req_msg->primary_local_lid = ib_slid_be16(wc->slid);
cm_req_set_primary_sl(req_msg, wc->sl);
}
@ -1713,7 +1713,7 @@ static void cm_process_routed_req(struct cm_req_msg *req_msg, struct ib_wc *wc)
if (!cm_req_get_alt_subnet_local(req_msg)) {
if (req_msg->alt_local_lid == IB_LID_PERMISSIVE) {
req_msg->alt_local_lid = cpu_to_be16(wc->slid);
req_msg->alt_local_lid = ib_slid_be16(wc->slid);
cm_req_set_alt_sl(req_msg, wc->sl);
}

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@ -229,7 +229,7 @@ static void recv_handler(struct ib_mad_agent *agent,
packet->mad.hdr.status = 0;
packet->mad.hdr.length = hdr_size(file) + mad_recv_wc->mad_len;
packet->mad.hdr.qpn = cpu_to_be32(mad_recv_wc->wc->src_qp);
packet->mad.hdr.lid = cpu_to_be16(mad_recv_wc->wc->slid);
packet->mad.hdr.lid = ib_slid_be16(mad_recv_wc->wc->slid);
packet->mad.hdr.sl = mad_recv_wc->wc->sl;
packet->mad.hdr.path_bits = mad_recv_wc->wc->dlid_path_bits;
packet->mad.hdr.pkey_index = mad_recv_wc->wc->pkey_index;

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@ -1190,7 +1190,8 @@ out:
return ret ? ret : in_len;
}
static int copy_wc_to_user(void __user *dest, struct ib_wc *wc)
static int copy_wc_to_user(struct ib_device *ib_dev, void __user *dest,
struct ib_wc *wc)
{
struct ib_uverbs_wc tmp;
@ -1204,7 +1205,10 @@ static int copy_wc_to_user(void __user *dest, struct ib_wc *wc)
tmp.src_qp = wc->src_qp;
tmp.wc_flags = wc->wc_flags;
tmp.pkey_index = wc->pkey_index;
tmp.slid = wc->slid;
if (rdma_cap_opa_ah(ib_dev, wc->port_num))
tmp.slid = OPA_TO_IB_UCAST_LID(wc->slid);
else
tmp.slid = ib_slid_cpu16(wc->slid);
tmp.sl = wc->sl;
tmp.dlid_path_bits = wc->dlid_path_bits;
tmp.port_num = wc->port_num;
@ -1248,7 +1252,7 @@ ssize_t ib_uverbs_poll_cq(struct ib_uverbs_file *file,
if (!ret)
break;
ret = copy_wc_to_user(data_ptr, &wc);
ret = copy_wc_to_user(ib_dev, data_ptr, &wc);
if (ret)
goto out_put;

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@ -3958,7 +3958,7 @@ static int opa_local_smp_check(struct hfi1_ibport *ibp,
const struct ib_wc *in_wc)
{
struct hfi1_pportdata *ppd = ppd_from_ibp(ibp);
u16 slid = in_wc->slid;
u16 slid = ib_slid_cpu16(in_wc->slid);
u16 pkey;
if (in_wc->pkey_index >= ARRAY_SIZE(ppd->pkeys))

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@ -169,7 +169,7 @@ int mlx4_MAD_IFC(struct mlx4_ib_dev *dev, int mad_ifc_flags,
op_modifier |= 0x4;
in_modifier |= in_wc->slid << 16;
in_modifier |= ib_slid_cpu16(in_wc->slid) << 16;
}
err = mlx4_cmd_box(dev->dev, inmailbox->dma, outmailbox->dma, in_modifier,
@ -625,7 +625,7 @@ int mlx4_ib_send_to_slave(struct mlx4_ib_dev *dev, int slave, u8 port,
memcpy((char *)&tun_mad->hdr.slid_mac_47_32, &(wc->smac[4]), 2);
} else {
tun_mad->hdr.sl_vid = cpu_to_be16(((u16)(wc->sl)) << 12);
tun_mad->hdr.slid_mac_47_32 = cpu_to_be16(wc->slid);
tun_mad->hdr.slid_mac_47_32 = ib_slid_be16(wc->slid);
}
ib_dma_sync_single_for_device(&dev->ib_dev,
@ -826,7 +826,7 @@ static int ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num,
}
}
slid = in_wc ? in_wc->slid : be16_to_cpu(IB_LID_PERMISSIVE);
slid = in_wc ? ib_slid_cpu16(in_wc->slid) : be16_to_cpu(IB_LID_PERMISSIVE);
if (in_mad->mad_hdr.method == IB_MGMT_METHOD_TRAP && slid == 0) {
forward_trap(to_mdev(ibdev), port_num, in_mad);

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@ -78,7 +78,7 @@ static int process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num,
u16 slid;
int err;
slid = in_wc ? in_wc->slid : be16_to_cpu(IB_LID_PERMISSIVE);
slid = in_wc ? ib_slid_cpu16(in_wc->slid) : be16_to_cpu(IB_LID_PERMISSIVE);
if (in_mad->mad_hdr.method == IB_MGMT_METHOD_TRAP && slid == 0)
return IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_CONSUMED;

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@ -1921,7 +1921,7 @@ int mthca_MAD_IFC(struct mthca_dev *dev, int ignore_mkey, int ignore_bkey,
(in_wc->wc_flags & IB_WC_GRH ? 0x80 : 0);
MTHCA_PUT(inbox, val, MAD_IFC_G_PATH_OFFSET);
MTHCA_PUT(inbox, in_wc->slid, MAD_IFC_RLID_OFFSET);
MTHCA_PUT(inbox, ib_slid_cpu16(in_wc->slid), MAD_IFC_RLID_OFFSET);
MTHCA_PUT(inbox, in_wc->pkey_index, MAD_IFC_PKEY_OFFSET);
if (in_grh)
@ -1929,7 +1929,7 @@ int mthca_MAD_IFC(struct mthca_dev *dev, int ignore_mkey, int ignore_bkey,
op_modifier |= 0x4;
in_modifier |= in_wc->slid << 16;
in_modifier |= ib_slid_cpu16(in_wc->slid) << 16;
}
err = mthca_cmd_box(dev, inmailbox->dma, outmailbox->dma,

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@ -205,7 +205,7 @@ int mthca_process_mad(struct ib_device *ibdev,
u16 *out_mad_pkey_index)
{
int err;
u16 slid = in_wc ? in_wc->slid : be16_to_cpu(IB_LID_PERMISSIVE);
u16 slid = in_wc ? ib_slid_cpu16(in_wc->slid) : be16_to_cpu(IB_LID_PERMISSIVE);
u16 prev_lid = 0;
struct ib_port_attr pattr;
const struct ib_mad *in_mad = (const struct ib_mad *)in;

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@ -107,7 +107,7 @@ void rvt_cq_enter(struct rvt_cq *cq, struct ib_wc *entry, bool solicited)
wc->uqueue[head].src_qp = entry->src_qp;
wc->uqueue[head].wc_flags = entry->wc_flags;
wc->uqueue[head].pkey_index = entry->pkey_index;
wc->uqueue[head].slid = entry->slid;
wc->uqueue[head].slid = ib_slid_cpu16(entry->slid);
wc->uqueue[head].sl = entry->sl;
wc->uqueue[head].dlid_path_bits = entry->dlid_path_bits;
wc->uqueue[head].port_num = entry->port_num;

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@ -948,7 +948,7 @@ struct ib_wc {
u32 src_qp;
int wc_flags;
u16 pkey_index;
u16 slid;
u32 slid;
u8 sl;
u8 dlid_path_bits;
u8 port_num; /* valid only for DR SMPs on switches */
@ -3706,4 +3706,16 @@ static inline enum rdma_ah_attr_type rdma_ah_find_type(struct ib_device *dev,
else
return RDMA_AH_ATTR_TYPE_IB;
}
/* Return slid in 16bit CPU encoding */
static inline u16 ib_slid_cpu16(u32 slid)
{
return (u16)slid;
}
/* Return slid in 16bit BE encoding */
static inline u16 ib_slid_be16(u32 slid)
{
return cpu_to_be16((u16)slid);
}
#endif /* IB_VERBS_H */