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path: root/drivers/infiniband/hw/ocrdma/ocrdma_ah.c
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Diffstat (limited to 'drivers/infiniband/hw/ocrdma/ocrdma_ah.c')
-rw-r--r--drivers/infiniband/hw/ocrdma/ocrdma_ah.c64
1 files changed, 36 insertions, 28 deletions
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_ah.c b/drivers/infiniband/hw/ocrdma/ocrdma_ah.c
index cd66e1e45dd7..d0249e463338 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma_ah.c
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_ah.c
@@ -71,7 +71,7 @@ static u16 ocrdma_hdr_type_to_proto_num(int devid, u8 hdr_type)
}
static inline int set_av_attr(struct ocrdma_dev *dev, struct ocrdma_ah *ah,
- struct ib_ah_attr *attr, union ib_gid *sgid,
+ struct rdma_ah_attr *attr, union ib_gid *sgid,
int pdid, bool *isvlan, u16 vlan_tag)
{
int status;
@@ -81,6 +81,7 @@ static inline int set_av_attr(struct ocrdma_dev *dev, struct ocrdma_ah *ah,
u16 proto_num = 0;
u8 nxthdr = 0x11;
struct iphdr ipv4;
+ const struct ib_global_route *ib_grh;
union {
struct sockaddr _sockaddr;
struct sockaddr_in _sockaddr_in;
@@ -120,32 +121,33 @@ static inline int set_av_attr(struct ocrdma_dev *dev, struct ocrdma_ah *ah,
status = ocrdma_resolve_dmac(dev, attr, &eth.dmac[0]);
if (status)
return status;
- ah->sgid_index = attr->grh.sgid_index;
+ ib_grh = rdma_ah_read_grh(attr);
+ ah->sgid_index = ib_grh->sgid_index;
/* Eth HDR */
memcpy(&ah->av->eth_hdr, &eth, eth_sz);
if (ah->hdr_type == RDMA_NETWORK_IPV4) {
*((__be16 *)&ipv4) = htons((4 << 12) | (5 << 8) |
- attr->grh.traffic_class);
+ ib_grh->traffic_class);
ipv4.id = cpu_to_be16(pdid);
ipv4.frag_off = htons(IP_DF);
ipv4.tot_len = htons(0);
- ipv4.ttl = attr->grh.hop_limit;
+ ipv4.ttl = ib_grh->hop_limit;
ipv4.protocol = nxthdr;
rdma_gid2ip(&sgid_addr._sockaddr, sgid);
ipv4.saddr = sgid_addr._sockaddr_in.sin_addr.s_addr;
- rdma_gid2ip(&dgid_addr._sockaddr, &attr->grh.dgid);
+ rdma_gid2ip(&dgid_addr._sockaddr, &ib_grh->dgid);
ipv4.daddr = dgid_addr._sockaddr_in.sin_addr.s_addr;
memcpy((u8 *)ah->av + eth_sz, &ipv4, sizeof(struct iphdr));
} else {
memcpy(&grh.sgid[0], sgid->raw, sizeof(union ib_gid));
grh.tclass_flow = cpu_to_be32((6 << 28) |
- (attr->grh.traffic_class << 24) |
- attr->grh.flow_label);
- memcpy(&grh.dgid[0], attr->grh.dgid.raw,
- sizeof(attr->grh.dgid.raw));
+ (ib_grh->traffic_class << 24) |
+ ib_grh->flow_label);
+ memcpy(&grh.dgid[0], ib_grh->dgid.raw,
+ sizeof(ib_grh->dgid.raw));
grh.pdid_hoplimit = cpu_to_be32((pdid << 16) |
(nxthdr << 8) |
- attr->grh.hop_limit);
+ ib_grh->hop_limit);
memcpy((u8 *)ah->av + eth_sz, &grh, sizeof(struct ocrdma_grh));
}
if (*isvlan)
@@ -154,7 +156,7 @@ static inline int set_av_attr(struct ocrdma_dev *dev, struct ocrdma_ah *ah,
return status;
}
-struct ib_ah *ocrdma_create_ah(struct ib_pd *ibpd, struct ib_ah_attr *attr,
+struct ib_ah *ocrdma_create_ah(struct ib_pd *ibpd, struct rdma_ah_attr *attr,
struct ib_udata *udata)
{
u32 *ahid_addr;
@@ -165,11 +167,14 @@ struct ib_ah *ocrdma_create_ah(struct ib_pd *ibpd, struct ib_ah_attr *attr,
struct ib_gid_attr sgid_attr;
struct ocrdma_pd *pd = get_ocrdma_pd(ibpd);
struct ocrdma_dev *dev = get_ocrdma_dev(ibpd->device);
+ const struct ib_global_route *grh;
union ib_gid sgid;
- if (!(attr->ah_flags & IB_AH_GRH))
+ if ((attr->type != RDMA_AH_ATTR_TYPE_ROCE) ||
+ !(rdma_ah_get_ah_flags(attr) & IB_AH_GRH))
return ERR_PTR(-EINVAL);
+ grh = rdma_ah_read_grh(attr);
if (atomic_cmpxchg(&dev->update_sl, 1, 0))
ocrdma_init_service_level(dev);
@@ -181,7 +186,7 @@ struct ib_ah *ocrdma_create_ah(struct ib_pd *ibpd, struct ib_ah_attr *attr,
if (status)
goto av_err;
- status = ib_get_cached_gid(&dev->ibdev, 1, attr->grh.sgid_index, &sgid,
+ status = ib_get_cached_gid(&dev->ibdev, 1, grh->sgid_index, &sgid,
&sgid_attr);
if (status) {
pr_err("%s(): Failed to query sgid, status = %d\n",
@@ -197,10 +202,11 @@ struct ib_ah *ocrdma_create_ah(struct ib_pd *ibpd, struct ib_ah_attr *attr,
ah->hdr_type = ib_gid_to_network_type(sgid_attr.gid_type, &sgid);
if ((pd->uctx) &&
- (!rdma_is_multicast_addr((struct in6_addr *)attr->grh.dgid.raw)) &&
- (!rdma_link_local_addr((struct in6_addr *)attr->grh.dgid.raw))) {
- status = rdma_addr_find_l2_eth_by_grh(&sgid, &attr->grh.dgid,
- attr->dmac, &vlan_tag,
+ (!rdma_is_multicast_addr((struct in6_addr *)grh->dgid.raw)) &&
+ (!rdma_link_local_addr((struct in6_addr *)grh->dgid.raw))) {
+ status = rdma_addr_find_l2_eth_by_grh(&sgid, &grh->dgid,
+ attr->roce.dmac,
+ &vlan_tag,
&sgid_attr.ndev->ifindex,
NULL);
if (status) {
@@ -216,7 +222,7 @@ struct ib_ah *ocrdma_create_ah(struct ib_pd *ibpd, struct ib_ah_attr *attr,
/* 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 = pd->uctx->ah_tbl.va + rdma_ah_get_dlid(attr);
*ahid_addr = 0;
*ahid_addr |= ah->id & OCRDMA_AH_ID_MASK;
if (ocrdma_is_udp_encap_supported(dev)) {
@@ -248,30 +254,32 @@ int ocrdma_destroy_ah(struct ib_ah *ibah)
return 0;
}
-int ocrdma_query_ah(struct ib_ah *ibah, struct ib_ah_attr *attr)
+int ocrdma_query_ah(struct ib_ah *ibah, struct rdma_ah_attr *attr)
{
struct ocrdma_ah *ah = get_ocrdma_ah(ibah);
struct ocrdma_av *av = ah->av;
struct ocrdma_grh *grh;
- attr->ah_flags |= IB_AH_GRH;
+
+ attr->type = ibah->type;
if (ah->av->valid & OCRDMA_AV_VALID) {
grh = (struct ocrdma_grh *)((u8 *)ah->av +
sizeof(struct ocrdma_eth_vlan));
- attr->sl = be16_to_cpu(av->eth_hdr.vlan_tag) >> 13;
+ rdma_ah_set_sl(attr, be16_to_cpu(av->eth_hdr.vlan_tag) >> 13);
} else {
grh = (struct ocrdma_grh *)((u8 *)ah->av +
sizeof(struct ocrdma_eth_basic));
- attr->sl = 0;
+ rdma_ah_set_sl(attr, 0);
}
- memcpy(&attr->grh.dgid.raw[0], &grh->dgid[0], sizeof(grh->dgid));
- attr->grh.sgid_index = ah->sgid_index;
- attr->grh.hop_limit = be32_to_cpu(grh->pdid_hoplimit) & 0xff;
- attr->grh.traffic_class = be32_to_cpu(grh->tclass_flow) >> 24;
- attr->grh.flow_label = be32_to_cpu(grh->tclass_flow) & 0x00ffffffff;
+ rdma_ah_set_grh(attr, NULL,
+ be32_to_cpu(grh->tclass_flow) & 0xffffffff,
+ ah->sgid_index,
+ be32_to_cpu(grh->pdid_hoplimit) & 0xff,
+ be32_to_cpu(grh->tclass_flow) >> 24);
+ rdma_ah_set_dgid_raw(attr, &grh->dgid[0]);
return 0;
}
-int ocrdma_modify_ah(struct ib_ah *ibah, struct ib_ah_attr *attr)
+int ocrdma_modify_ah(struct ib_ah *ibah, struct rdma_ah_attr *attr)
{
/* modify_ah is unsupported */
return -ENOSYS;
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