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path: root/drivers/infiniband/core/verbs.c
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Diffstat (limited to 'drivers/infiniband/core/verbs.c')
-rw-r--r--drivers/infiniband/core/verbs.c108
1 files changed, 57 insertions, 51 deletions
diff --git a/drivers/infiniband/core/verbs.c b/drivers/infiniband/core/verbs.c
index 83687646da68..71580cc28c9e 100644
--- a/drivers/infiniband/core/verbs.c
+++ b/drivers/infiniband/core/verbs.c
@@ -315,7 +315,7 @@ struct ib_ah *ib_create_ah(struct ib_pd *pd, struct ib_ah_attr *ah_attr)
{
struct ib_ah *ah;
- ah = pd->device->create_ah(pd, ah_attr);
+ ah = pd->device->create_ah(pd, ah_attr, NULL);
if (!IS_ERR(ah)) {
ah->device = pd->device;
@@ -328,7 +328,7 @@ struct ib_ah *ib_create_ah(struct ib_pd *pd, struct ib_ah_attr *ah_attr)
}
EXPORT_SYMBOL(ib_create_ah);
-static int ib_get_header_version(const union rdma_network_hdr *hdr)
+int ib_get_rdma_header_version(const union rdma_network_hdr *hdr)
{
const struct iphdr *ip4h = (struct iphdr *)&hdr->roce4grh;
struct iphdr ip4h_checked;
@@ -359,6 +359,7 @@ static int ib_get_header_version(const union rdma_network_hdr *hdr)
return 4;
return 6;
}
+EXPORT_SYMBOL(ib_get_rdma_header_version);
static enum rdma_network_type ib_get_net_type_by_grh(struct ib_device *device,
u8 port_num,
@@ -369,7 +370,7 @@ static enum rdma_network_type ib_get_net_type_by_grh(struct ib_device *device,
if (rdma_protocol_ib(device, port_num))
return RDMA_NETWORK_IB;
- grh_version = ib_get_header_version((union rdma_network_hdr *)grh);
+ grh_version = ib_get_rdma_header_version((union rdma_network_hdr *)grh);
if (grh_version == 4)
return RDMA_NETWORK_IPV4;
@@ -415,9 +416,9 @@ static int get_sgid_index_from_eth(struct ib_device *device, u8 port_num,
&context, gid_index);
}
-static int get_gids_from_rdma_hdr(union rdma_network_hdr *hdr,
- enum rdma_network_type net_type,
- union ib_gid *sgid, union ib_gid *dgid)
+int ib_get_gids_from_rdma_hdr(const union rdma_network_hdr *hdr,
+ enum rdma_network_type net_type,
+ union ib_gid *sgid, union ib_gid *dgid)
{
struct sockaddr_in src_in;
struct sockaddr_in dst_in;
@@ -447,6 +448,7 @@ static int get_gids_from_rdma_hdr(union rdma_network_hdr *hdr,
return -EINVAL;
}
}
+EXPORT_SYMBOL(ib_get_gids_from_rdma_hdr);
int ib_init_ah_from_wc(struct ib_device *device, u8 port_num,
const struct ib_wc *wc, const struct ib_grh *grh,
@@ -469,8 +471,8 @@ int ib_init_ah_from_wc(struct ib_device *device, u8 port_num,
net_type = ib_get_net_type_by_grh(device, port_num, grh);
gid_type = ib_network_to_gid_type(net_type);
}
- ret = get_gids_from_rdma_hdr((union rdma_network_hdr *)grh, net_type,
- &sgid, &dgid);
+ ret = ib_get_gids_from_rdma_hdr((union rdma_network_hdr *)grh, net_type,
+ &sgid, &dgid);
if (ret)
return ret;
@@ -1014,6 +1016,7 @@ static const struct {
IB_QP_QKEY),
[IB_QPT_GSI] = (IB_QP_CUR_STATE |
IB_QP_QKEY),
+ [IB_QPT_RAW_PACKET] = IB_QP_RATE_LIMIT,
}
}
},
@@ -1047,6 +1050,7 @@ static const struct {
IB_QP_QKEY),
[IB_QPT_GSI] = (IB_QP_CUR_STATE |
IB_QP_QKEY),
+ [IB_QPT_RAW_PACKET] = IB_QP_RATE_LIMIT,
}
},
[IB_QPS_SQD] = {
@@ -1196,66 +1200,66 @@ int ib_modify_qp_is_ok(enum ib_qp_state cur_state, enum ib_qp_state next_state,
}
EXPORT_SYMBOL(ib_modify_qp_is_ok);
-int ib_resolve_eth_dmac(struct ib_qp *qp,
- struct ib_qp_attr *qp_attr, int *qp_attr_mask)
+int ib_resolve_eth_dmac(struct ib_device *device,
+ struct ib_ah_attr *ah_attr)
{
int ret = 0;
- if (*qp_attr_mask & IB_QP_AV) {
- if (qp_attr->ah_attr.port_num < rdma_start_port(qp->device) ||
- qp_attr->ah_attr.port_num > rdma_end_port(qp->device))
- return -EINVAL;
-
- if (!rdma_cap_eth_ah(qp->device, qp_attr->ah_attr.port_num))
- return 0;
-
- if (rdma_link_local_addr((struct in6_addr *)qp_attr->ah_attr.grh.dgid.raw)) {
- rdma_get_ll_mac((struct in6_addr *)qp_attr->ah_attr.grh.dgid.raw,
- qp_attr->ah_attr.dmac);
- } else {
- union ib_gid sgid;
- struct ib_gid_attr sgid_attr;
- int ifindex;
- int hop_limit;
-
- ret = ib_query_gid(qp->device,
- qp_attr->ah_attr.port_num,
- qp_attr->ah_attr.grh.sgid_index,
- &sgid, &sgid_attr);
-
- if (ret || !sgid_attr.ndev) {
- if (!ret)
- ret = -ENXIO;
- goto out;
- }
+ if (ah_attr->port_num < rdma_start_port(device) ||
+ ah_attr->port_num > rdma_end_port(device))
+ return -EINVAL;
- ifindex = sgid_attr.ndev->ifindex;
+ if (!rdma_cap_eth_ah(device, ah_attr->port_num))
+ return 0;
- ret = rdma_addr_find_l2_eth_by_grh(&sgid,
- &qp_attr->ah_attr.grh.dgid,
- qp_attr->ah_attr.dmac,
- NULL, &ifindex, &hop_limit);
+ if (rdma_link_local_addr((struct in6_addr *)ah_attr->grh.dgid.raw)) {
+ rdma_get_ll_mac((struct in6_addr *)ah_attr->grh.dgid.raw,
+ ah_attr->dmac);
+ } else {
+ union ib_gid sgid;
+ struct ib_gid_attr sgid_attr;
+ int ifindex;
+ int hop_limit;
+
+ ret = ib_query_gid(device,
+ ah_attr->port_num,
+ ah_attr->grh.sgid_index,
+ &sgid, &sgid_attr);
+
+ if (ret || !sgid_attr.ndev) {
+ if (!ret)
+ ret = -ENXIO;
+ goto out;
+ }
- dev_put(sgid_attr.ndev);
+ ifindex = sgid_attr.ndev->ifindex;
- qp_attr->ah_attr.grh.hop_limit = hop_limit;
- }
+ ret = rdma_addr_find_l2_eth_by_grh(&sgid,
+ &ah_attr->grh.dgid,
+ ah_attr->dmac,
+ NULL, &ifindex, &hop_limit);
+
+ dev_put(sgid_attr.ndev);
+
+ ah_attr->grh.hop_limit = hop_limit;
}
out:
return ret;
}
EXPORT_SYMBOL(ib_resolve_eth_dmac);
-
int ib_modify_qp(struct ib_qp *qp,
struct ib_qp_attr *qp_attr,
int qp_attr_mask)
{
- int ret;
- ret = ib_resolve_eth_dmac(qp, qp_attr, &qp_attr_mask);
- if (ret)
- return ret;
+ if (qp_attr_mask & IB_QP_AV) {
+ int ret;
+
+ ret = ib_resolve_eth_dmac(qp->device, &qp_attr->ah_attr);
+ if (ret)
+ return ret;
+ }
return qp->device->modify_qp(qp->real_qp, qp_attr, qp_attr_mask, NULL);
}
@@ -1734,8 +1738,10 @@ struct ib_flow *ib_create_flow(struct ib_qp *qp,
return ERR_PTR(-ENOSYS);
flow_id = qp->device->create_flow(qp, flow_attr, domain);
- if (!IS_ERR(flow_id))
+ if (!IS_ERR(flow_id)) {
atomic_inc(&qp->usecnt);
+ flow_id->qp = qp;
+ }
return flow_id;
}
EXPORT_SYMBOL(ib_create_flow);
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