sa_path_rec now contains a union of sa_path_rec_ib and sa_path_rec_roce
based on the type of the path record. Note that fields applicable to
path record type ROCE v1 and ROCE v2 fall under sa_path_rec_roce.
Accessor functions are added to these fields so the caller doesn't have
to know the type.
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 | 62 +++++++------
drivers/infiniband/core/cma.c | 22 +++--
drivers/infiniband/core/sa_query.c | 32 ++++---
drivers/infiniband/core/uverbs_marshall.c | 20 ++--
drivers/infiniband/ulp/ipoib/ipoib_fs.c | 6 +-
drivers/infiniband/ulp/ipoib/ipoib_main.c | 11 ++-
drivers/infiniband/ulp/srp/ib_srp.c | 7 +-
include/rdma/ib_sa.h | 147 +++++++++++++++++++++++++++---
8 files changed, 224 insertions(+), 83 deletions(-)
diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c
index 39e306a..ca742e8 100644
--- a/drivers/infiniband/core/cm.c
+++ b/drivers/infiniband/core/cm.c
@@ -1203,8 +1203,8 @@ static void cm_format_req(struct cm_req_msg *req_msg,
}
if (pri_path->hop_limit <= 1) {
- req_msg->primary_local_lid = pri_path->slid;
- req_msg->primary_remote_lid = pri_path->dlid;
+ req_msg->primary_local_lid = sa_path_get_slid(pri_path);
+ req_msg->primary_remote_lid = 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 +1224,8 @@ 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 = alt_path->slid;
- req_msg->alt_remote_lid = alt_path->dlid;
+ req_msg->alt_local_lid = sa_path_get_slid(alt_path);
+ req_msg->alt_remote_lid = sa_path_get_dlid(alt_path);
} else {
req_msg->alt_local_lid = IB_LID_PERMISSIVE;
req_msg->alt_remote_lid = IB_LID_PERMISSIVE;
@@ -1405,11 +1405,10 @@ static void cm_format_paths_from_req(struct cm_req_msg *req_msg,
struct sa_path_rec *primary_path,
struct sa_path_rec *alt_path)
{
- memset(primary_path, 0, sizeof(*primary_path));
primary_path->dgid = req_msg->primary_local_gid;
primary_path->sgid = req_msg->primary_remote_gid;
- primary_path->dlid = req_msg->primary_local_lid;
- primary_path->slid = req_msg->primary_remote_lid;
+ sa_path_set_dlid(primary_path, req_msg->primary_local_lid);
+ sa_path_set_slid(primary_path, 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;
@@ -1424,14 +1423,13 @@ static void cm_format_paths_from_req(struct cm_req_msg *req_msg,
primary_path->packet_life_time =
cm_req_get_primary_local_ack_timeout(req_msg);
primary_path->packet_life_time -= (primary_path->packet_life_time > 0);
- primary_path->service_id = req_msg->service_id;
+ sa_path_set_service_id(primary_path, req_msg->service_id);
if (req_msg->alt_local_lid) {
- memset(alt_path, 0, sizeof(*alt_path));
alt_path->dgid = req_msg->alt_local_gid;
alt_path->sgid = req_msg->alt_remote_gid;
- alt_path->dlid = req_msg->alt_local_lid;
- alt_path->slid = req_msg->alt_remote_lid;
+ sa_path_set_dlid(alt_path, req_msg->alt_local_lid);
+ sa_path_set_slid(alt_path, 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;
@@ -1446,7 +1444,7 @@ static void cm_format_paths_from_req(struct cm_req_msg *req_msg,
alt_path->packet_life_time =
cm_req_get_alt_local_ack_timeout(req_msg);
alt_path->packet_life_time -= (alt_path->packet_life_time > 0);
- alt_path->service_id = req_msg->service_id;
+ sa_path_set_service_id(alt_path, req_msg->service_id);
}
}
@@ -1760,27 +1758,34 @@ static int cm_req_handler(struct cm_work *work)
cm_id_priv->id.service_mask = ~cpu_to_be64(0);
cm_process_routed_req(req_msg, work->mad_recv_wc->wc);
- cm_format_paths_from_req(req_msg, &work->path[0], &work->path[1]);
- if (cm_id_priv->av.ah_attr.type == RDMA_AH_ATTR_TYPE_ROCE)
- memcpy(work->path[0].dmac, cm_id_priv->av.ah_attr.roce.dmac,
- ETH_ALEN);
+ memset(&work->path[0], 0, sizeof(work->path[0]));
+ memset(&work->path[1], 0, sizeof(work->path[1]));
grh = rdma_ah_read_grh(&cm_id_priv->av.ah_attr);
- work->path[0].hop_limit = grh->hop_limit;
ret = ib_get_cached_gid(work->port->cm_dev->ib_device,
work->port->port_num,
grh->sgid_index,
&gid, &gid_attr);
if (!ret) {
if (gid_attr.ndev) {
- work->path[0].ifindex = gid_attr.ndev->ifindex;
- work->path[0].net = dev_net(gid_attr.ndev);
- dev_put(gid_attr.ndev);
work->path[0].rec_type =
sa_conv_gid_to_pathrec_type(gid_attr.gid_type);
+ sa_path_set_ifindex(&work->path[0],
+ gid_attr.ndev->ifindex);
+ sa_path_set_ndev(&work->path[0],
+ dev_net(gid_attr.ndev));
+ dev_put(gid_attr.ndev);
} else {
work->path[0].rec_type = SA_PATH_REC_TYPE_IB;
}
+ if (req_msg->alt_local_lid)
+ work->path[1].rec_type = work->path[0].rec_type;
+ cm_format_paths_from_req(req_msg, &work->path[0],
+ &work->path[1]);
+ if (cm_id_priv->av.ah_attr.type == RDMA_AH_ATTR_TYPE_ROCE)
+ sa_path_set_dmac(&work->path[0],
+ cm_id_priv->av.ah_attr.roce.dmac);
+ work->path[0].hop_limit = grh->hop_limit;
ret = cm_init_av_by_path(&work->path[0], &cm_id_priv->av,
cm_id_priv);
}
@@ -1790,11 +1795,13 @@ static int cm_req_handler(struct cm_work *work)
&work->path[0].sgid,
&gid_attr);
if (!err && gid_attr.ndev) {
- work->path[0].ifindex = gid_attr.ndev->ifindex;
- work->path[0].net = dev_net(gid_attr.ndev);
- dev_put(gid_attr.ndev);
work->path[0].rec_type =
sa_conv_gid_to_pathrec_type(gid_attr.gid_type);
+ sa_path_set_ifindex(&work->path[0],
+ gid_attr.ndev->ifindex);
+ sa_path_set_ndev(&work->path[0],
+ dev_net(gid_attr.ndev));
+ dev_put(gid_attr.ndev);
} else {
work->path[0].rec_type = SA_PATH_REC_TYPE_IB;
}
@@ -2835,8 +2842,8 @@ 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 = alternate_path->slid;
- lap_msg->alt_remote_lid = alternate_path->dlid;
+ 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_gid = alternate_path->sgid;
lap_msg->alt_remote_gid = alternate_path->dgid;
cm_lap_set_flow_label(lap_msg, alternate_path->flow_label);
@@ -2912,10 +2919,11 @@ static void cm_format_path_from_lap(struct cm_id_private *cm_id_priv,
struct cm_lap_msg *lap_msg)
{
memset(path, 0, sizeof *path);
+ path->rec_type = SA_PATH_REC_TYPE_IB;
path->dgid = lap_msg->alt_local_gid;
path->sgid = lap_msg->alt_remote_gid;
- path->dlid = lap_msg->alt_local_lid;
- path->slid = lap_msg->alt_remote_lid;
+ sa_path_set_dlid(path, lap_msg->alt_local_lid);
+ sa_path_set_slid(path, 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/cma.c b/drivers/infiniband/core/cma.c
index a6195d5..83ed2ac 100644
--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -1140,7 +1140,7 @@ static void cma_save_ib_info(struct sockaddr *src_addr,
ib->sib_pkey = path->pkey;
ib->sib_flowinfo = path->flow_label;
memcpy(&ib->sib_addr, &path->sgid, 16);
- ib->sib_sid = path->service_id;
+ ib->sib_sid = sa_path_get_service_id(path);
ib->sib_scope_id = 0;
} else {
ib->sib_pkey = listen_ib->sib_pkey;
@@ -1274,7 +1274,8 @@ static int cma_save_req_info(const struct ib_cm_event *ib_event,
memcpy(&req->local_gid, &req_param->primary_path->sgid,
sizeof(req->local_gid));
req->has_gid = true;
- req->service_id = req_param->primary_path->service_id;
+ req->service_id =
+ sa_path_get_service_id(req_param->primary_path);
req->pkey = be16_to_cpu(req_param->primary_path->pkey);
if (req->pkey != req_param->bth_pkey)
pr_warn_ratelimited("RDMA CMA: got different BTH P_Key (0x%x) and primary path P_Key (0x%x)\n"
@@ -1822,8 +1823,8 @@ static struct rdma_id_private *cma_new_conn_id(struct rdma_cm_id *listen_id,
struct rdma_cm_id *id;
struct rdma_route *rt;
const sa_family_t ss_family = listen_id->route.addr.src_addr.ss_family;
- const __be64 service_id =
- ib_event->param.req_rcvd.primary_path->service_id;
+ struct sa_path_rec *path = ib_event->param.req_rcvd.primary_path;
+ const __be64 service_id = sa_path_get_service_id(path);
int ret;
id = rdma_create_id(listen_id->route.addr.dev_addr.net,
@@ -1845,7 +1846,7 @@ static struct rdma_id_private *cma_new_conn_id(struct rdma_cm_id *listen_id,
if (!rt->path_rec)
goto err;
- rt->path_rec[0] = *ib_event->param.req_rcvd.primary_path;
+ rt->path_rec[0] = *path;
if (rt->num_paths == 2)
rt->path_rec[1] = *ib_event->param.req_rcvd.alternate_path;
@@ -2331,12 +2332,15 @@ static int cma_query_ib_route(struct rdma_id_private *id_priv, int timeout_ms,
struct sockaddr_ib *sib;
memset(&path_rec, 0, sizeof path_rec);
+ path_rec.rec_type = SA_PATH_REC_TYPE_IB;
rdma_addr_get_sgid(dev_addr, &path_rec.sgid);
rdma_addr_get_dgid(dev_addr, &path_rec.dgid);
path_rec.pkey = cpu_to_be16(ib_addr_get_pkey(dev_addr));
path_rec.numb_path = 1;
path_rec.reversible = 1;
- path_rec.service_id = rdma_get_service_id(&id_priv->id, cma_dst_addr(id_priv));
+ sa_path_set_service_id(&path_rec,
+ rdma_get_service_id(&id_priv->id,
+ cma_dst_addr(id_priv)));
comp_mask = IB_SA_PATH_REC_DGID | IB_SA_PATH_REC_SGID |
IB_SA_PATH_REC_PKEY | IB_SA_PATH_REC_NUMB_PATH |
@@ -2574,8 +2578,6 @@ static int cma_resolve_iboe_route(struct rdma_id_private *id_priv)
}
}
- route->path_rec->net = &init_net;
- route->path_rec->ifindex = ndev->ifindex;
supported_gids = roce_gid_type_mask_support(id_priv->id.device,
id_priv->id.port_num);
gid_type = cma_route_gid_type(addr->dev_addr.network,
@@ -2583,13 +2585,15 @@ static int cma_resolve_iboe_route(struct rdma_id_private *id_priv)
id_priv->gid_type);
route->path_rec->rec_type =
sa_conv_gid_to_pathrec_type(gid_type);
+ sa_path_set_ndev(route->path_rec, &init_net);
+ sa_path_set_ifindex(route->path_rec, ndev->ifindex);
}
if (!ndev) {
ret = -ENODEV;
goto err2;
}
- memcpy(route->path_rec->dmac, addr->dev_addr.dst_dev_addr, ETH_ALEN);
+ sa_path_set_dmac(route->path_rec, addr->dev_addr.dst_dev_addr);
rdma_ip2gid((struct sockaddr *)&id_priv->id.route.addr.src_addr,
&route->path_rec->sgid);
diff --git a/drivers/infiniband/core/sa_query.c b/drivers/infiniband/core/sa_query.c
index 050a8e6..12614c9 100644
--- a/drivers/infiniband/core/sa_query.c
+++ b/drivers/infiniband/core/sa_query.c
@@ -193,7 +193,7 @@ struct ib_sa_mcmember_query {
.field_name = "sa_path_rec:" #field
static const struct ib_field path_rec_table[] = {
- { PATH_REC_FIELD(service_id),
+ { PATH_REC_FIELD(ib.service_id),
.offset_words = 0,
.offset_bits = 0,
.size_bits = 64 },
@@ -205,15 +205,15 @@ struct ib_sa_mcmember_query {
.offset_words = 6,
.offset_bits = 0,
.size_bits = 128 },
- { PATH_REC_FIELD(dlid),
+ { PATH_REC_FIELD(ib.dlid),
.offset_words = 10,
.offset_bits = 0,
.size_bits = 16 },
- { PATH_REC_FIELD(slid),
+ { PATH_REC_FIELD(ib.slid),
.offset_words = 10,
.offset_bits = 16,
.size_bits = 16 },
- { PATH_REC_FIELD(raw_traffic),
+ { PATH_REC_FIELD(ib.raw_traffic),
.offset_words = 11,
.offset_bits = 0,
.size_bits = 1 },
@@ -643,7 +643,7 @@ static void ib_nl_set_path_rec_attrs(struct sk_buff *skb,
/* Now build the attributes */
if (comp_mask & IB_SA_PATH_REC_SERVICE_ID) {
- val64 = be64_to_cpu(sa_rec->service_id);
+ val64 = be64_to_cpu(sa_path_get_service_id(sa_rec));
nla_put(skb, RDMA_NLA_F_MANDATORY | LS_NLA_TYPE_SERVICE_ID,
sizeof(val64), &val64);
}
@@ -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(rec->dlid));
+ rdma_ah_set_dlid(ah_attr, be16_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(rec->slid) &
+ rdma_ah_set_path_bits(ah_attr, be16_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);
@@ -1121,9 +1121,13 @@ int ib_init_ah_from_path(struct ib_device *device, u8 port_num,
if (use_roce) {
struct net_device *idev;
struct net_device *resolved_dev;
- struct rdma_dev_addr dev_addr = {.bound_dev_if = rec->ifindex,
- .net = rec->net ? rec->net :
- &init_net};
+ struct rdma_dev_addr dev_addr = {
+ .bound_dev_if = ((sa_path_get_ifindex(rec) >= 0) ?
+ sa_path_get_ifindex(rec) : 0),
+ .net = sa_path_get_ndev(rec) ?
+ sa_path_get_ndev(rec) :
+ &init_net
+ };
union {
struct sockaddr _sockaddr;
struct sockaddr_in _sockaddr_in;
@@ -1194,7 +1198,7 @@ int ib_init_ah_from_path(struct ib_device *device, u8 port_num,
}
if (use_roce)
- memcpy(ah_attr->roce.dmac, rec->dmac, ETH_ALEN);
+ memcpy(ah_attr->roce.dmac, sa_path_get_dmac(rec), ETH_ALEN);
return 0;
}
@@ -1326,10 +1330,10 @@ static void ib_sa_path_rec_callback(struct ib_sa_query *sa_query,
ib_unpack(path_rec_table, ARRAY_SIZE(path_rec_table),
mad->data, &rec);
- rec.net = NULL;
- rec.ifindex = 0;
rec.rec_type = SA_PATH_REC_TYPE_IB;
- eth_zero_addr(rec.dmac);
+ sa_path_set_ndev(&rec, NULL);
+ sa_path_set_ifindex(&rec, 0);
+ sa_path_set_dmac_zero(&rec);
query->callback(status, &rec, query->context);
} else
query->callback(status, NULL, query->context);
diff --git a/drivers/infiniband/core/uverbs_marshall.c b/drivers/infiniband/core/uverbs_marshall.c
index b4e9ce8..50575b6 100644
--- a/drivers/infiniband/core/uverbs_marshall.c
+++ b/drivers/infiniband/core/uverbs_marshall.c
@@ -102,9 +102,9 @@ void ib_copy_path_rec_to_user(struct ib_user_path_rec *dst,
memcpy(dst->dgid, src->dgid.raw, sizeof src->dgid);
memcpy(dst->sgid, src->sgid.raw, sizeof src->sgid);
- dst->dlid = src->dlid;
- dst->slid = src->slid;
- dst->raw_traffic = src->raw_traffic;
+ dst->dlid = sa_path_get_dlid(src);
+ dst->slid = 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;
dst->traffic_class = src->traffic_class;
@@ -128,9 +128,10 @@ void ib_copy_path_rec_from_user(struct sa_path_rec *dst,
memcpy(dst->dgid.raw, src->dgid, sizeof dst->dgid);
memcpy(dst->sgid.raw, src->sgid, sizeof dst->sgid);
- dst->dlid = src->dlid;
- dst->slid = src->slid;
- dst->raw_traffic = src->raw_traffic;
+ 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_raw_traffic(dst, src->raw_traffic);
dst->flow_label = src->flow_label;
dst->hop_limit = src->hop_limit;
dst->traffic_class = src->traffic_class;
@@ -146,9 +147,8 @@ 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;
- memset(dst->dmac, 0, sizeof(dst->dmac));
- dst->net = NULL;
- dst->ifindex = 0;
- dst->rec_type = SA_PATH_REC_TYPE_IB;
+ sa_path_set_dmac_zero(dst);
+ sa_path_set_ndev(dst, NULL);
+ sa_path_set_ifindex(dst, 0);
}
EXPORT_SYMBOL(ib_copy_path_rec_from_user);
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_fs.c b/drivers/infiniband/ulp/ipoib/ipoib_fs.c
index 09396bd..aa9083f 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_fs.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_fs.c
@@ -210,16 +210,16 @@ static int ipoib_path_seq_show(struct seq_file *file, void *iter_ptr)
seq_printf(file,
"GID: %s\n"
" complete: %6s\n",
- gid_buf, path.pathrec.dlid ? "yes" : "no");
+ gid_buf, sa_path_get_dlid(&path.pathrec) ? "yes" : "no");
- if (path.pathrec.dlid) {
+ if (sa_path_get_dlid(&path.pathrec)) {
rate = ib_rate_to_mbps(path.pathrec.rate);
seq_printf(file,
" DLID: 0x%04x\n"
" SL: %12d\n"
" rate: %8d.%d Gb/sec\n",
- be16_to_cpu(path.pathrec.dlid),
+ be16_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 5e7939f..cc88d85 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_main.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c
@@ -669,7 +669,7 @@ void ipoib_mark_paths_invalid(struct net_device *dev)
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(path->pathrec.dlid),
+ be16_to_cpu(sa_path_get_dlid(&path->pathrec)),
path->pathrec.dgid.raw);
path->valid = 0;
}
@@ -731,7 +731,8 @@ static void path_rec_completion(int status,
if (!status)
ipoib_dbg(priv, "PathRec LID 0x%04x for GID %pI6\n",
- be16_to_cpu(pathrec->dlid), pathrec->dgid.raw);
+ be16_to_cpu(sa_path_get_dlid(pathrec)),
+ pathrec->dgid.raw);
else
ipoib_dbg(priv, "PathRec status %d for GID %pI6\n",
status, path->pathrec.dgid.raw);
@@ -754,7 +755,8 @@ 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(pathrec->dlid), pathrec->sl);
+ ah, be16_to_cpu(sa_path_get_dlid(pathrec)),
+ pathrec->sl);
while ((skb = __skb_dequeue(&path->queue)))
__skb_queue_tail(&skqueue, skb);
@@ -830,6 +832,7 @@ static struct ipoib_path *path_rec_create(struct net_device *dev, void *gid)
INIT_LIST_HEAD(&path->neigh_list);
+ path->pathrec.rec_type = SA_PATH_REC_TYPE_IB;
memcpy(path->pathrec.dgid.raw, gid, sizeof (union ib_gid));
path->pathrec.sgid = priv->local_gid;
path->pathrec.pkey = cpu_to_be16(priv->pkey);
@@ -995,7 +998,7 @@ 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(path->pathrec.dlid));
+ be16_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 ded9b9a..89341dd 100644
--- a/drivers/infiniband/ulp/srp/ib_srp.c
+++ b/drivers/infiniband/ulp/srp/ib_srp.c
@@ -312,10 +312,11 @@ static int srp_new_cm_id(struct srp_rdma_ch *ch)
if (ch->cm_id)
ib_destroy_cm_id(ch->cm_id);
ch->cm_id = new_cm_id;
+ ch->path.rec_type = SA_PATH_REC_TYPE_IB;
ch->path.sgid = target->sgid;
ch->path.dgid = target->orig_dgid;
ch->path.pkey = target->pkey;
- ch->path.service_id = target->service_id;
+ sa_path_set_service_id(&ch->path, target->service_id);
return 0;
}
@@ -2399,12 +2400,12 @@ 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;
- ch->path.dlid = cpi->redirect_lid;
+ sa_path_set_dlid(&ch->path, 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);
- ch->status = ch->path.dlid ?
+ ch->status = sa_path_get_dlid(&ch->path) ?
SRP_DLID_REDIRECT : SRP_PORT_REDIRECT;
break;
diff --git a/include/rdma/ib_sa.h b/include/rdma/ib_sa.h
index c009147..c72c949 100644
--- a/include/rdma/ib_sa.h
+++ b/include/rdma/ib_sa.h
@@ -43,6 +43,7 @@
#include <rdma/ib_verbs.h>
#include <rdma/ib_mad.h>
+#include <rdma/ib_addr.h>
enum {
IB_SA_CLASS_VERSION = 2, /* IB spec version 1.1/1.2 */
@@ -147,19 +148,32 @@ enum ib_sa_mc_join_states {
#define IB_SA_PATH_REC_PACKET_LIFE_TIME_SELECTOR IB_SA_COMP_MASK(20)
#define IB_SA_PATH_REC_PACKET_LIFE_TIME IB_SA_COMP_MASK(21)
#define IB_SA_PATH_REC_PREFERENCE IB_SA_COMP_MASK(22)
+
enum sa_path_rec_type {
SA_PATH_REC_TYPE_IB,
SA_PATH_REC_TYPE_ROCE_V1,
SA_PATH_REC_TYPE_ROCE_V2
};
-struct sa_path_rec {
+struct sa_path_rec_ib {
__be64 service_id;
- union ib_gid dgid;
- union ib_gid sgid;
__be16 dlid;
__be16 slid;
u8 raw_traffic;
+};
+
+struct sa_path_rec_roce {
+ u8 dmac[ETH_ALEN];
+ /* ignored in IB */
+ int ifindex;
+ /* ignored in IB */
+ struct net *net;
+
+};
+
+struct sa_path_rec {
+ union ib_gid dgid;
+ union ib_gid sgid;
/* reserved */
__be32 flow_label;
u8 hop_limit;
@@ -176,19 +190,13 @@ struct sa_path_rec {
u8 packet_life_time_selector;
u8 packet_life_time;
u8 preference;
- u8 dmac[ETH_ALEN];
- /* ignored in IB */
- int ifindex;
- /* ignored in IB */
- struct net *net;
+ union {
+ struct sa_path_rec_ib ib;
+ struct sa_path_rec_roce roce;
+ };
enum sa_path_rec_type rec_type;
};
-static inline struct net_device *ib_get_ndev_from_path(struct sa_path_rec *rec)
-{
- return rec->net ? dev_get_by_index(rec->net, rec->ifindex) : NULL;
-}
-
static inline enum ib_gid_type
sa_conv_pathrec_to_gid_type(struct sa_path_rec *rec)
{
@@ -490,4 +498,117 @@ bool ib_sa_sendonly_fullmem_support(struct ib_sa_client *client,
struct ib_device *device,
u8 port_num);
+static inline bool sa_path_is_roce(struct sa_path_rec *rec)
+{
+ return ((rec->rec_type == SA_PATH_REC_TYPE_ROCE_V1) ||
+ (rec->rec_type == SA_PATH_REC_TYPE_ROCE_V2));
+}
+
+static inline void sa_path_set_service_id(struct sa_path_rec *rec,
+ __be64 service_id)
+{
+ if (rec->rec_type == SA_PATH_REC_TYPE_IB)
+ rec->ib.service_id = service_id;
+}
+
+static inline void sa_path_set_slid(struct sa_path_rec *rec, __be16 slid)
+{
+ if (rec->rec_type == SA_PATH_REC_TYPE_IB)
+ rec->ib.slid = slid;
+}
+
+static inline void sa_path_set_dlid(struct sa_path_rec *rec, __be16 dlid)
+{
+ if (rec->rec_type == SA_PATH_REC_TYPE_IB)
+ rec->ib.dlid = dlid;
+}
+
+static inline void sa_path_set_raw_traffic(struct sa_path_rec *rec,
+ u8 raw_traffic)
+{
+ if (rec->rec_type == SA_PATH_REC_TYPE_IB)
+ rec->ib.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;
+ return 0;
+}
+
+static inline __be16 sa_path_get_slid(struct sa_path_rec *rec)
+{
+ if (rec->rec_type == SA_PATH_REC_TYPE_IB)
+ return rec->ib.slid;
+ return 0;
+}
+
+static inline __be16 sa_path_get_dlid(struct sa_path_rec *rec)
+{
+ if (rec->rec_type == SA_PATH_REC_TYPE_IB)
+ return rec->ib.dlid;
+ return 0;
+}
+
+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;
+ return 0;
+}
+
+static inline void sa_path_set_dmac(struct sa_path_rec *rec, u8 *dmac)
+{
+ if (sa_path_is_roce(rec))
+ memcpy(rec->roce.dmac, dmac, ETH_ALEN);
+}
+
+static inline void sa_path_set_dmac_zero(struct sa_path_rec *rec)
+{
+ if (sa_path_is_roce(rec))
+ eth_zero_addr(rec->roce.dmac);
+}
+
+static inline void sa_path_set_ifindex(struct sa_path_rec *rec, int ifindex)
+{
+ if (sa_path_is_roce(rec))
+ rec->roce.ifindex = ifindex;
+}
+
+static inline void sa_path_set_ndev(struct sa_path_rec *rec, struct net *net)
+{
+ if (sa_path_is_roce(rec))
+ rec->roce.net = net;
+}
+
+static inline u8 *sa_path_get_dmac(struct sa_path_rec *rec)
+{
+ if (sa_path_is_roce(rec))
+ return rec->roce.dmac;
+ return NULL;
+}
+
+static inline int sa_path_get_ifindex(struct sa_path_rec *rec)
+{
+ if (sa_path_is_roce(rec))
+ return rec->roce.ifindex;
+ return 0;
+}
+
+static inline struct net *sa_path_get_ndev(struct sa_path_rec *rec)
+{
+ if (sa_path_is_roce(rec))
+ return rec->roce.net;
+ return NULL;
+}
+
+static inline struct net_device *ib_get_ndev_from_path(struct sa_path_rec *rec)
+{
+ return sa_path_get_ndev(rec) ?
+ dev_get_by_index(sa_path_get_ndev(rec),
+ sa_path_get_ifindex(rec))
+ : NULL;
+}
+
#endif /* IB_SA_H */
--
1.8.3.1
--
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