#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 */
#define IB_SA_PATH_REC_PACKET_LIFE_TIME IB_SA_COMP_MASK(21)
#define IB_SA_PATH_REC_PREFERENCE IB_SA_COMP_MASK(22)
-struct ib_sa_path_rec {
+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_OPA
+};
+
+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_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;
/* reserved */
__be32 flow_label;
u8 hop_limit;
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;
- enum ib_gid_type gid_type;
+ 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;
};
-static inline struct net_device *ib_get_ndev_from_path(struct ib_sa_path_rec *rec)
+static inline enum ib_gid_type
+ sa_conv_pathrec_to_gid_type(struct sa_path_rec *rec)
+{
+ switch (rec->rec_type) {
+ case SA_PATH_REC_TYPE_ROCE_V1:
+ return IB_GID_TYPE_ROCE;
+ case SA_PATH_REC_TYPE_ROCE_V2:
+ return IB_GID_TYPE_ROCE_UDP_ENCAP;
+ default:
+ return IB_GID_TYPE_IB;
+ }
+}
+
+static inline enum sa_path_rec_type
+ sa_conv_gid_to_pathrec_type(enum ib_gid_type type)
+{
+ switch (type) {
+ case IB_GID_TYPE_ROCE:
+ return SA_PATH_REC_TYPE_ROCE_V1;
+ case IB_GID_TYPE_ROCE_UDP_ENCAP:
+ return SA_PATH_REC_TYPE_ROCE_V2;
+ default:
+ return SA_PATH_REC_TYPE_IB;
+ }
+}
+
+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(be32_to_cpu(opa->opa.dlid));
+ ib->dgid.global.subnet_prefix
+ = opa->dgid.global.subnet_prefix;
+ ib->sgid.global.interface_id
+ = OPA_MAKE_ID(be32_to_cpu(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 = htons(ntohl(opa->opa.dlid));
+ ib->ib.slid = htons(ntohl(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)
{
- return rec->net ? dev_get_by_index(rec->net, rec->ifindex) : NULL;
+ __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)
int ib_sa_path_rec_get(struct ib_sa_client *client,
struct ib_device *device, u8 port_num,
- struct ib_sa_path_rec *rec,
+ struct sa_path_rec *rec,
ib_sa_comp_mask comp_mask,
int timeout_ms, gfp_t gfp_mask,
void (*callback)(int status,
- struct ib_sa_path_rec *resp,
+ struct sa_path_rec *resp,
void *context),
void *context,
struct ib_sa_query **query);
* path record.
*/
int ib_init_ah_from_path(struct ib_device *device, u8 port_num,
- struct ib_sa_path_rec *rec,
+ struct sa_path_rec *rec,
struct rdma_ah_attr *ah_attr);
/**
* ib_sa_pack_path - Conert a path record from struct ib_sa_path_rec
* to IB MAD wire format.
*/
-void ib_sa_pack_path(struct ib_sa_path_rec *rec, void *attribute);
+void ib_sa_pack_path(struct sa_path_rec *rec, void *attribute);
/**
* ib_sa_unpack_path - Convert a path record from MAD format to struct
* ib_sa_path_rec.
*/
-void ib_sa_unpack_path(void *attribute, struct ib_sa_path_rec *rec);
+void ib_sa_unpack_path(void *attribute, struct sa_path_rec *rec);
/* Support GuidInfoRecord */
int ib_sa_guid_info_rec_query(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;
+ 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, __be32 slid)
+{
+ if (rec->rec_type == SA_PATH_REC_TYPE_IB)
+ 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, __be32 dlid)
+{
+ if (rec->rec_type == SA_PATH_REC_TYPE_IB)
+ 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,
+ u8 raw_traffic)
+{
+ 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 __be32 sa_path_get_slid(struct sa_path_rec *rec)
+{
+ if (rec->rec_type == SA_PATH_REC_TYPE_IB)
+ return htonl(ntohs(rec->ib.slid));
+ else if (rec->rec_type == SA_PATH_REC_TYPE_OPA)
+ return rec->opa.slid;
+ return 0;
+}
+
+static inline __be32 sa_path_get_dlid(struct sa_path_rec *rec)
+{
+ if (rec->rec_type == SA_PATH_REC_TYPE_IB)
+ return htonl(ntohs(rec->ib.dlid));
+ else if (rec->rec_type == SA_PATH_REC_TYPE_OPA)
+ return rec->opa.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;
+ else if (rec->rec_type == SA_PATH_REC_TYPE_OPA)
+ return rec->opa.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 */
projects / GitHub / moto-9609 / android_kernel_motorola_exynos9610.git / blobdiff