Add opa_sa_path_rec to sa_path_rec data structure.
The 'type' field in sa_path_rec identifies the
type of the path record.
Reviewed-by: Don Hiatt <don.hiatt@xxxxxxxxx>
Reviewed-by: Ira Weiny <ira.weiny@xxxxxxxxx>
Signed-off-by: Dasaratharaman Chandramouli <dasaratharaman.chandramouli@xxxxxxxxx>
---
drivers/infiniband/core/cm.c | 34 ++++++---
drivers/infiniband/core/sa_query.c | 4 +-
drivers/infiniband/core/ucma.c | 22 +++++-
drivers/infiniband/core/uverbs_marshall.c | 40 ++++++++--
drivers/infiniband/ulp/ipoib/ipoib_fs.c | 2 +-
drivers/infiniband/ulp/ipoib/ipoib_main.c | 14 ++--
drivers/infiniband/ulp/srp/ib_srp.c | 2 +-
include/rdma/ib_sa.h | 121 +++++++++++++++++++++++++++---
include/rdma/opa_addr.h | 79 +++++++++++++++++++
9 files changed, 276 insertions(+), 42 deletions(-)
create mode 100644 include/rdma/opa_addr.h
diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c
index ca742e8..1844770 100644
--- a/drivers/infiniband/core/cm.c
+++ b/drivers/infiniband/core/cm.c
@@ -1203,8 +1203,10 @@ static void cm_format_req(struct cm_req_msg *req_msg,
}
if (pri_path->hop_limit <= 1) {
- req_msg->primary_local_lid = sa_path_get_slid(pri_path);
- req_msg->primary_remote_lid = sa_path_get_dlid(pri_path);
+ req_msg->primary_local_lid =
+ htons(ntohl(sa_path_get_slid(pri_path)));
+ req_msg->primary_remote_lid =
+ htons(ntohl(sa_path_get_dlid(pri_path)));
} else {
/* Work-around until there's a way to obtain remote LID info */
req_msg->primary_local_lid = IB_LID_PERMISSIVE;
@@ -1224,8 +1226,10 @@ static void cm_format_req(struct cm_req_msg *req_msg,
if (alt_path) {
if (alt_path->hop_limit <= 1) {
- req_msg->alt_local_lid = sa_path_get_slid(alt_path);
- req_msg->alt_remote_lid = sa_path_get_dlid(alt_path);
+ req_msg->alt_local_lid =
+ htons(ntohl(sa_path_get_slid(alt_path)));
+ req_msg->alt_remote_lid =
+ htons(ntohl(sa_path_get_dlid(alt_path)));
} else {
req_msg->alt_local_lid = IB_LID_PERMISSIVE;
req_msg->alt_remote_lid = IB_LID_PERMISSIVE;
@@ -1407,8 +1411,10 @@ static void cm_format_paths_from_req(struct cm_req_msg *req_msg,
{
primary_path->dgid = req_msg->primary_local_gid;
primary_path->sgid = req_msg->primary_remote_gid;
- sa_path_set_dlid(primary_path, req_msg->primary_local_lid);
- sa_path_set_slid(primary_path, req_msg->primary_remote_lid);
+ sa_path_set_dlid(primary_path,
+ htonl(ntohs(req_msg->primary_local_lid)));
+ sa_path_set_slid(primary_path,
+ htonl(ntohs(req_msg->primary_remote_lid)));
primary_path->flow_label = cm_req_get_primary_flow_label(req_msg);
primary_path->hop_limit = req_msg->primary_hop_limit;
primary_path->traffic_class = req_msg->primary_traffic_class;
@@ -1428,8 +1434,10 @@ static void cm_format_paths_from_req(struct cm_req_msg *req_msg,
if (req_msg->alt_local_lid) {
alt_path->dgid = req_msg->alt_local_gid;
alt_path->sgid = req_msg->alt_remote_gid;
- sa_path_set_dlid(alt_path, req_msg->alt_local_lid);
- sa_path_set_slid(alt_path, req_msg->alt_remote_lid);
+ sa_path_set_dlid(alt_path,
+ htonl(ntohs(req_msg->alt_local_lid)));
+ sa_path_set_slid(alt_path,
+ htonl(ntohs(req_msg->alt_remote_lid)));
alt_path->flow_label = cm_req_get_alt_flow_label(req_msg);
alt_path->hop_limit = req_msg->alt_hop_limit;
alt_path->traffic_class = req_msg->alt_traffic_class;
@@ -2842,8 +2850,10 @@ static void cm_format_lap(struct cm_lap_msg *lap_msg,
cm_lap_set_remote_qpn(lap_msg, cm_id_priv->remote_qpn);
/* todo: need remote CM response timeout */
cm_lap_set_remote_resp_timeout(lap_msg, 0x1F);
- lap_msg->alt_local_lid = sa_path_get_slid(alternate_path);
- lap_msg->alt_remote_lid = sa_path_get_dlid(alternate_path);
+ lap_msg->alt_local_lid =
+ htons(ntohl(sa_path_get_slid(alternate_path)));
+ lap_msg->alt_remote_lid =
+ htons(ntohl(sa_path_get_dlid(alternate_path)));
lap_msg->alt_local_gid = alternate_path->sgid;
lap_msg->alt_remote_gid = alternate_path->dgid;
cm_lap_set_flow_label(lap_msg, alternate_path->flow_label);
@@ -2922,8 +2932,8 @@ static void cm_format_path_from_lap(struct cm_id_private *cm_id_priv,
path->rec_type = SA_PATH_REC_TYPE_IB;
path->dgid = lap_msg->alt_local_gid;
path->sgid = lap_msg->alt_remote_gid;
- sa_path_set_dlid(path, lap_msg->alt_local_lid);
- sa_path_set_slid(path, lap_msg->alt_remote_lid);
+ sa_path_set_dlid(path, htonl(ntohs(lap_msg->alt_local_lid)));
+ sa_path_set_slid(path, htonl(ntohs(lap_msg->alt_remote_lid)));
path->flow_label = cm_lap_get_flow_label(lap_msg);
path->hop_limit = lap_msg->alt_hop_limit;
path->traffic_class = cm_lap_get_traffic_class(lap_msg);
diff --git a/drivers/infiniband/core/sa_query.c b/drivers/infiniband/core/sa_query.c
index 12614c9..745906e 100644
--- a/drivers/infiniband/core/sa_query.c
+++ b/drivers/infiniband/core/sa_query.c
@@ -1110,9 +1110,9 @@ int ib_init_ah_from_path(struct ib_device *device, u8 port_num,
memset(ah_attr, 0, sizeof *ah_attr);
ah_attr->type = rdma_ah_find_type(device, port_num);
- rdma_ah_set_dlid(ah_attr, be16_to_cpu(sa_path_get_dlid(rec)));
+ rdma_ah_set_dlid(ah_attr, be32_to_cpu(sa_path_get_dlid(rec)));
rdma_ah_set_sl(ah_attr, rec->sl);
- rdma_ah_set_path_bits(ah_attr, be16_to_cpu(sa_path_get_slid(rec)) &
+ rdma_ah_set_path_bits(ah_attr, be32_to_cpu(sa_path_get_slid(rec)) &
get_src_path_mask(device, port_num));
rdma_ah_set_port_num(ah_attr, port_num);
rdma_ah_set_static_rate(ah_attr, rec->rate);
diff --git a/drivers/infiniband/core/ucma.c b/drivers/infiniband/core/ucma.c
index 2beff90..276f0ef 100644
--- a/drivers/infiniband/core/ucma.c
+++ b/drivers/infiniband/core/ucma.c
@@ -898,11 +898,18 @@ static ssize_t ucma_query_path(struct ucma_context *ctx,
for (i = 0, out_len -= sizeof(*resp);
i < resp->num_paths && out_len > sizeof(struct ib_path_rec_data);
i++, out_len -= sizeof(struct ib_path_rec_data)) {
+ struct sa_path_rec *rec = &ctx->cm_id->route.path_rec[i];
resp->path_data[i].flags = IB_PATH_GMP | IB_PATH_PRIMARY |
IB_PATH_BIDIRECTIONAL;
- ib_sa_pack_path(&ctx->cm_id->route.path_rec[i],
- &resp->path_data[i].path_rec);
+ if (rec->rec_type == SA_PATH_REC_TYPE_IB) {
+ ib_sa_pack_path(rec, &resp->path_data[i].path_rec);
+ } else {
+ struct sa_path_rec ib;
+
+ sa_convert_path_opa_to_ib(&ib, rec);
+ ib_sa_pack_path(&ib, &resp->path_data[i].path_rec);
+ }
}
if (copy_to_user(response, resp,
@@ -1215,8 +1222,17 @@ static int ucma_set_ib_path(struct ucma_context *ctx,
memset(&sa_path, 0, sizeof(sa_path));
+ sa_path.rec_type = SA_PATH_REC_TYPE_IB;
ib_sa_unpack_path(path_data->path_rec, &sa_path);
- ret = rdma_set_ib_paths(ctx->cm_id, &sa_path, 1);
+
+ if (rdma_cap_opa_ah(ctx->cm_id->device, ctx->cm_id->port_num)) {
+ struct sa_path_rec opa;
+
+ sa_convert_path_ib_to_opa(&opa, &sa_path);
+ ret = rdma_set_ib_paths(ctx->cm_id, &opa, 1);
+ } else {
+ ret = rdma_set_ib_paths(ctx->cm_id, &sa_path, 1);
+ }
if (ret)
return ret;
diff --git a/drivers/infiniband/core/uverbs_marshall.c b/drivers/infiniband/core/uverbs_marshall.c
index 50575b6..8b9587f 100644
--- a/drivers/infiniband/core/uverbs_marshall.c
+++ b/drivers/infiniband/core/uverbs_marshall.c
@@ -96,14 +96,14 @@ void ib_copy_qp_attr_to_user(struct ib_uverbs_qp_attr *dst,
}
EXPORT_SYMBOL(ib_copy_qp_attr_to_user);
-void ib_copy_path_rec_to_user(struct ib_user_path_rec *dst,
- struct sa_path_rec *src)
+void __ib_copy_path_rec_to_user(struct ib_user_path_rec *dst,
+ struct sa_path_rec *src)
{
memcpy(dst->dgid, src->dgid.raw, sizeof src->dgid);
memcpy(dst->sgid, src->sgid.raw, sizeof src->sgid);
- dst->dlid = sa_path_get_dlid(src);
- dst->slid = sa_path_get_slid(src);
+ dst->dlid = htons(ntohl(sa_path_get_dlid(src)));
+ dst->slid = htons(ntohl(sa_path_get_slid(src)));
dst->raw_traffic = sa_path_get_raw_traffic(src);
dst->flow_label = src->flow_label;
dst->hop_limit = src->hop_limit;
@@ -120,17 +120,42 @@ void ib_copy_path_rec_to_user(struct ib_user_path_rec *dst,
dst->preference = src->preference;
dst->packet_life_time_selector = src->packet_life_time_selector;
}
+
+void ib_copy_path_rec_to_user(struct ib_user_path_rec *dst,
+ struct sa_path_rec *src)
+{
+ struct sa_path_rec rec;
+
+ if (src->rec_type == SA_PATH_REC_TYPE_OPA) {
+ sa_convert_path_opa_to_ib(&rec, src);
+ __ib_copy_path_rec_to_user(dst, &rec);
+ return;
+ }
+ __ib_copy_path_rec_to_user(dst, src);
+}
EXPORT_SYMBOL(ib_copy_path_rec_to_user);
void ib_copy_path_rec_from_user(struct sa_path_rec *dst,
struct ib_user_path_rec *src)
{
+ __be32 slid, dlid;
+
+ memset(dst, 0, sizeof(*dst));
+ if ((ib_is_opa_gid((union ib_gid *)src->sgid)) ||
+ (ib_is_opa_gid((union ib_gid *)src->dgid))) {
+ dst->rec_type = SA_PATH_REC_TYPE_OPA;
+ slid = htonl(opa_get_lid_from_gid((union ib_gid *)src->sgid));
+ dlid = htonl(opa_get_lid_from_gid((union ib_gid *)src->dgid));
+ } else {
+ dst->rec_type = SA_PATH_REC_TYPE_IB;
+ slid = htonl(ntohs(src->slid));
+ dlid = htonl(ntohs(src->dlid));
+ }
memcpy(dst->dgid.raw, src->dgid, sizeof dst->dgid);
memcpy(dst->sgid.raw, src->sgid, sizeof dst->sgid);
- dst->rec_type = SA_PATH_REC_TYPE_IB;
- sa_path_set_dlid(dst, src->dlid);
- sa_path_set_slid(dst, src->slid);
+ sa_path_set_dlid(dst, dlid);
+ sa_path_set_slid(dst, slid);
sa_path_set_raw_traffic(dst, src->raw_traffic);
dst->flow_label = src->flow_label;
dst->hop_limit = src->hop_limit;
@@ -147,6 +172,7 @@ void ib_copy_path_rec_from_user(struct sa_path_rec *dst,
dst->preference = src->preference;
dst->packet_life_time_selector = src->packet_life_time_selector;
+ /* TODO: No need to set this */
sa_path_set_dmac_zero(dst);
sa_path_set_ndev(dst, NULL);
sa_path_set_ifindex(dst, 0);
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_fs.c b/drivers/infiniband/ulp/ipoib/ipoib_fs.c
index aa9083f..f7f2590 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_fs.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_fs.c
@@ -219,7 +219,7 @@ static int ipoib_path_seq_show(struct seq_file *file, void *iter_ptr)
" DLID: 0x%04x\n"
" SL: %12d\n"
" rate: %8d.%d Gb/sec\n",
- be16_to_cpu(sa_path_get_dlid(&path.pathrec)),
+ be32_to_cpu(sa_path_get_dlid(&path.pathrec)),
path.pathrec.sl,
rate / 1000, rate % 1000);
}
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c
index cc88d85..4d3f146 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_main.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c
@@ -668,9 +668,9 @@ void ipoib_mark_paths_invalid(struct net_device *dev)
spin_lock_irq(&priv->lock);
list_for_each_entry_safe(path, tp, &priv->path_list, list) {
- ipoib_dbg(priv, "mark path LID 0x%04x GID %pI6 invalid\n",
- be16_to_cpu(sa_path_get_dlid(&path->pathrec)),
- path->pathrec.dgid.raw);
+ ipoib_dbg(priv, "mark path LID 0x%08x GID %pI6 invalid\n",
+ be32_to_cpu(sa_path_get_dlid(&path->pathrec)),
+ path->pathrec.dgid.raw);
path->valid = 0;
}
@@ -731,7 +731,7 @@ static void path_rec_completion(int status,
if (!status)
ipoib_dbg(priv, "PathRec LID 0x%04x for GID %pI6\n",
- be16_to_cpu(sa_path_get_dlid(pathrec)),
+ be32_to_cpu(sa_path_get_dlid(pathrec)),
pathrec->dgid.raw);
else
ipoib_dbg(priv, "PathRec status %d for GID %pI6\n",
@@ -755,7 +755,7 @@ static void path_rec_completion(int status,
path->ah = ah;
ipoib_dbg(priv, "created address handle %p for LID 0x%04x, SL %d\n",
- ah, be16_to_cpu(sa_path_get_dlid(pathrec)),
+ ah, be32_to_cpu(sa_path_get_dlid(pathrec)),
pathrec->sl);
while ((skb = __skb_dequeue(&path->queue)))
@@ -997,8 +997,8 @@ static void unicast_arp_send(struct sk_buff *skb, struct net_device *dev,
}
if (path->ah) {
- ipoib_dbg(priv, "Send unicast ARP to %04x\n",
- be16_to_cpu(sa_path_get_dlid(&path->pathrec)));
+ ipoib_dbg(priv, "Send unicast ARP to %08x\n",
+ be32_to_cpu(sa_path_get_dlid(&path->pathrec)));
spin_unlock_irqrestore(&priv->lock, flags);
ipoib_send(dev, skb, path->ah, IPOIB_QPN(phdr->hwaddr));
diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c
index 89341dd..07877a8 100644
--- a/drivers/infiniband/ulp/srp/ib_srp.c
+++ b/drivers/infiniband/ulp/srp/ib_srp.c
@@ -2400,7 +2400,7 @@ static void srp_cm_rej_handler(struct ib_cm_id *cm_id,
switch (event->param.rej_rcvd.reason) {
case IB_CM_REJ_PORT_CM_REDIRECT:
cpi = event->param.rej_rcvd.ari;
- sa_path_set_dlid(&ch->path, cpi->redirect_lid);
+ sa_path_set_dlid(&ch->path, htonl(ntohs(cpi->redirect_lid)));
ch->path.pkey = cpi->redirect_pkey;
cm_id->remote_cm_qpn = be32_to_cpu(cpi->redirect_qp) & 0x00ffffff;
memcpy(ch->path.dgid.raw, cpi->redirect_gid, 16);
diff --git a/include/rdma/ib_sa.h b/include/rdma/ib_sa.h
index c72c949..0551cb4 100644
--- a/include/rdma/ib_sa.h
+++ b/include/rdma/ib_sa.h
@@ -44,6 +44,7 @@
#include <rdma/ib_verbs.h>
#include <rdma/ib_mad.h>
#include <rdma/ib_addr.h>
+#include <rdma/opa_addr.h>
enum {
IB_SA_CLASS_VERSION = 2, /* IB spec version 1.1/1.2 */
@@ -152,7 +153,8 @@ enum ib_sa_mc_join_states {
enum sa_path_rec_type {
SA_PATH_REC_TYPE_IB,
SA_PATH_REC_TYPE_ROCE_V1,
- SA_PATH_REC_TYPE_ROCE_V2
+ SA_PATH_REC_TYPE_ROCE_V2,
+ SA_PATH_REC_TYPE_OPA
};
struct sa_path_rec_ib {
@@ -171,6 +173,19 @@ struct sa_path_rec_roce {
};
+struct sa_path_rec_opa {
+ __be64 service_id;
+ __be32 dlid;
+ __be32 slid;
+ u8 raw_traffic;
+ u8 l2_8B;
+ u8 l2_10B;
+ u8 l2_9B;
+ u8 l2_16B;
+ u8 qos_type;
+ u8 qos_priority;
+};
+
struct sa_path_rec {
union ib_gid dgid;
union ib_gid sgid;
@@ -193,6 +208,7 @@ struct sa_path_rec {
union {
struct sa_path_rec_ib ib;
struct sa_path_rec_roce roce;
+ struct sa_path_rec_opa opa;
};
enum sa_path_rec_type rec_type;
};
@@ -223,6 +239,77 @@ struct sa_path_rec {
}
}
+static inline void path_conv_opa_to_ib(struct sa_path_rec *ib,
+ struct sa_path_rec *opa)
+{
+ if ((be32_to_cpu(opa->opa.dlid) >=
+ be16_to_cpu(IB_MULTICAST_LID_BASE)) ||
+ (be32_to_cpu(opa->opa.slid) >=
+ be16_to_cpu(IB_MULTICAST_LID_BASE))) {
+ /* Create OPA GID and zero out the LID */
+ ib->dgid.global.interface_id
+ = OPA_MAKE_ID(opa->opa.dlid);
+ ib->dgid.global.subnet_prefix
+ = opa->dgid.global.subnet_prefix;
+ ib->sgid.global.interface_id
+ = OPA_MAKE_ID(opa->opa.slid);
+ ib->dgid.global.subnet_prefix
+ = opa->dgid.global.subnet_prefix;
+ ib->ib.dlid = 0;
+
+ ib->ib.slid = 0;
+ } else {
+ ib->ib.dlid = opa->opa.dlid;
+ ib->ib.slid = opa->opa.slid;
+ }
+ ib->ib.service_id = opa->opa.service_id;
+ ib->ib.raw_traffic = opa->opa.raw_traffic;
+}
+
+static inline void path_conv_ib_to_opa(struct sa_path_rec *opa,
+ struct sa_path_rec *ib)
+{
+ __be32 slid, dlid;
+
+ if ((ib_is_opa_gid(&ib->sgid)) ||
+ (ib_is_opa_gid(&ib->dgid))) {
+ slid = htonl(opa_get_lid_from_gid(&ib->sgid));
+ dlid = htonl(opa_get_lid_from_gid(&ib->dgid));
+ } else {
+ slid = htonl(ntohs(ib->ib.slid));
+ dlid = htonl(ntohs(ib->ib.dlid));
+ }
+ opa->opa.slid = slid;
+ opa->opa.dlid = dlid;
+ opa->opa.service_id = ib->ib.service_id;
+ opa->opa.raw_traffic = ib->ib.raw_traffic;
+}
+
+/* Convert from OPA to IB path record */
+static inline void sa_convert_path_opa_to_ib(struct sa_path_rec *dest,
+ struct sa_path_rec *src)
+{
+ if (src->rec_type != SA_PATH_REC_TYPE_OPA)
+ return;
+
+ *dest = *src;
+ dest->rec_type = SA_PATH_REC_TYPE_IB;
+ path_conv_opa_to_ib(dest, src);
+}
+
+/* Convert from IB to OPA path record */
+static inline void sa_convert_path_ib_to_opa(struct sa_path_rec *dest,
+ struct sa_path_rec *src)
+{
+ if (src->rec_type != SA_PATH_REC_TYPE_IB)
+ return;
+
+ /* Do a structure copy and overwrite the relevant fields */
+ *dest = *src;
+ dest->rec_type = SA_PATH_REC_TYPE_OPA;
+ path_conv_ib_to_opa(dest, src);
+}
+
#define IB_SA_MCMEMBER_REC_MGID IB_SA_COMP_MASK( 0)
#define IB_SA_MCMEMBER_REC_PORT_GID IB_SA_COMP_MASK( 1)
#define IB_SA_MCMEMBER_REC_QKEY IB_SA_COMP_MASK( 2)
@@ -509,18 +596,24 @@ static inline void sa_path_set_service_id(struct sa_path_rec *rec,
{
if (rec->rec_type == SA_PATH_REC_TYPE_IB)
rec->ib.service_id = service_id;
+ else if (rec->rec_type == SA_PATH_REC_TYPE_OPA)
+ rec->opa.service_id = service_id;
}
-static inline void sa_path_set_slid(struct sa_path_rec *rec, __be16 slid)
+static inline void sa_path_set_slid(struct sa_path_rec *rec, __be32 slid)
{
if (rec->rec_type == SA_PATH_REC_TYPE_IB)
- rec->ib.slid = slid;
+ rec->ib.slid = htons(ntohl(slid));
+ else if (rec->rec_type == SA_PATH_REC_TYPE_OPA)
+ rec->opa.slid = slid;
}
-static inline void sa_path_set_dlid(struct sa_path_rec *rec, __be16 dlid)
+static inline void sa_path_set_dlid(struct sa_path_rec *rec, __be32 dlid)
{
if (rec->rec_type == SA_PATH_REC_TYPE_IB)
- rec->ib.dlid = dlid;
+ rec->ib.dlid = htons(ntohl(dlid));
+ else if (rec->rec_type == SA_PATH_REC_TYPE_OPA)
+ rec->opa.dlid = dlid;
}
static inline void sa_path_set_raw_traffic(struct sa_path_rec *rec,
@@ -528,26 +621,34 @@ static inline void sa_path_set_raw_traffic(struct sa_path_rec *rec,
{
if (rec->rec_type == SA_PATH_REC_TYPE_IB)
rec->ib.raw_traffic = raw_traffic;
+ else if (rec->rec_type == SA_PATH_REC_TYPE_OPA)
+ rec->opa.raw_traffic = raw_traffic;
}
static inline __be64 sa_path_get_service_id(struct sa_path_rec *rec)
{
if (rec->rec_type == SA_PATH_REC_TYPE_IB)
return rec->ib.service_id;
+ else if (rec->rec_type == SA_PATH_REC_TYPE_OPA)
+ return rec->opa.service_id;
return 0;
}
-static inline __be16 sa_path_get_slid(struct sa_path_rec *rec)
+static inline __be32 sa_path_get_slid(struct sa_path_rec *rec)
{
if (rec->rec_type == SA_PATH_REC_TYPE_IB)
- return rec->ib.slid;
+ return htonl(ntohs(rec->ib.slid));
+ else if (rec->rec_type == SA_PATH_REC_TYPE_OPA)
+ return rec->opa.dlid;
return 0;
}
-static inline __be16 sa_path_get_dlid(struct sa_path_rec *rec)
+static inline __be32 sa_path_get_dlid(struct sa_path_rec *rec)
{
if (rec->rec_type == SA_PATH_REC_TYPE_IB)
- return rec->ib.dlid;
+ return htonl(ntohs(rec->ib.dlid));
+ else if (rec->rec_type == SA_PATH_REC_TYPE_OPA)
+ return rec->opa.dlid;
return 0;
}
@@ -555,6 +656,8 @@ static inline u8 sa_path_get_raw_traffic(struct sa_path_rec *rec)
{
if (rec->rec_type == SA_PATH_REC_TYPE_IB)
return rec->ib.raw_traffic;
+ else if (rec->rec_type == SA_PATH_REC_TYPE_OPA)
+ return rec->opa.raw_traffic;
return 0;
}
diff --git a/include/rdma/opa_addr.h b/include/rdma/opa_addr.h
new file mode 100644
index 0000000..eace28f
--- /dev/null
+++ b/include/rdma/opa_addr.h
@@ -0,0 +1,79 @@
+/*
+ * Copyright(c) 2017 Intel Corporation.
+ *
+ * This file is provided under a dual BSD/GPLv2 license. When using or
+ * redistributing this file, you may do so under either license.
+ *
+ * GPL LICENSE SUMMARY
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * BSD LICENSE
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ * - Neither the name of Intel Corporation nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef OPA_ADDR_H
+#define OPA_ADDR_H
+
+#define OPA_SPECIAL_OUI (0x00066AULL)
+#define OPA_MAKE_ID(x) (cpu_to_be64(OPA_SPECIAL_OUI << 40 | (x)))
+
+/**
+ * ib_is_opa_gid: Returns true if the top 24 bits of the gid
+ * contains the OPA_STL_OUI identifier. This identifies that
+ * the provided gid is a special purpose GID meant to carry
+ * extended LID information.
+ *
+ * @gid: The Global identifier
+ */
+static inline bool ib_is_opa_gid(union ib_gid *gid)
+{
+ return ((be64_to_cpu(gid->global.interface_id) >> 40) ==
+ OPA_SPECIAL_OUI);
+}
+
+/**
+ * opa_get_lid_from_gid: Returns the last 32 bits of the gid.
+ * OPA devices use one of the gids in the gid table to also
+ * store the lid.
+ *
+ * @gid: The Global identifier
+ */
+static inline u32 opa_get_lid_from_gid(union ib_gid *gid)
+{
+ return be64_to_cpu(gid->global.interface_id) & 0xFFFFFFFF;
+}
+#endif /* OPA_ADDR_H */
--
1.8.3.1
--
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