IB/SA Agent: Add support for SA agent get ClassPortInfo
New SA query function to return the ClassPortInfo struct from the SA. If the SM supports FullMemberSendOnly mode for MCG's, it sets a capability bit in the capability_mask2 field of the response. Signed-off-by: Erez Shitrit <erezsh@mellanox.com> Reviewed-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Doug Ledford <dledford@redhat.com>steinar/wifi_calib_4_9_kernel
Erez Shitrit
Doug Ledford
parent
507f6afa3a
commit
628e6f7515
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@ -119,6 +119,12 @@ struct ib_sa_guidinfo_query {
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struct ib_sa_query sa_query;
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};
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struct ib_sa_classport_info_query {
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void (*callback)(int, struct ib_class_port_info *, void *);
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void *context;
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struct ib_sa_query sa_query;
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};
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struct ib_sa_mcmember_query {
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void (*callback)(int, struct ib_sa_mcmember_rec *, void *);
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void *context;
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@ -392,6 +398,82 @@ static const struct ib_field service_rec_table[] = {
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.size_bits = 2*64 },
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};
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#define CLASSPORTINFO_REC_FIELD(field) \
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.struct_offset_bytes = offsetof(struct ib_class_port_info, field), \
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.struct_size_bytes = sizeof((struct ib_class_port_info *)0)->field, \
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.field_name = "ib_class_port_info:" #field
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static const struct ib_field classport_info_rec_table[] = {
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{ CLASSPORTINFO_REC_FIELD(base_version),
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.offset_words = 0,
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.offset_bits = 0,
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.size_bits = 8 },
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{ CLASSPORTINFO_REC_FIELD(class_version),
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.offset_words = 0,
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.offset_bits = 8,
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.size_bits = 8 },
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{ CLASSPORTINFO_REC_FIELD(capability_mask),
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.offset_words = 0,
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.offset_bits = 16,
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.size_bits = 16 },
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{ CLASSPORTINFO_REC_FIELD(cap_mask2_resp_time),
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.offset_words = 1,
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.offset_bits = 0,
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.size_bits = 32 },
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{ CLASSPORTINFO_REC_FIELD(redirect_gid),
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.offset_words = 2,
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.offset_bits = 0,
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.size_bits = 128 },
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{ CLASSPORTINFO_REC_FIELD(redirect_tcslfl),
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.offset_words = 6,
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.offset_bits = 0,
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.size_bits = 32 },
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{ CLASSPORTINFO_REC_FIELD(redirect_lid),
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.offset_words = 7,
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.offset_bits = 0,
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.size_bits = 16 },
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{ CLASSPORTINFO_REC_FIELD(redirect_pkey),
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.offset_words = 7,
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.offset_bits = 16,
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.size_bits = 16 },
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{ CLASSPORTINFO_REC_FIELD(redirect_qp),
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.offset_words = 8,
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.offset_bits = 0,
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.size_bits = 32 },
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{ CLASSPORTINFO_REC_FIELD(redirect_qkey),
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.offset_words = 9,
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.offset_bits = 0,
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.size_bits = 32 },
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{ CLASSPORTINFO_REC_FIELD(trap_gid),
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.offset_words = 10,
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.offset_bits = 0,
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.size_bits = 128 },
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{ CLASSPORTINFO_REC_FIELD(trap_tcslfl),
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.offset_words = 14,
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.offset_bits = 0,
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.size_bits = 32 },
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{ CLASSPORTINFO_REC_FIELD(trap_lid),
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.offset_words = 15,
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.offset_bits = 0,
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.size_bits = 16 },
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{ CLASSPORTINFO_REC_FIELD(trap_pkey),
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.offset_words = 15,
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.offset_bits = 16,
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.size_bits = 16 },
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{ CLASSPORTINFO_REC_FIELD(trap_hlqp),
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.offset_words = 16,
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.offset_bits = 0,
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.size_bits = 32 },
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{ CLASSPORTINFO_REC_FIELD(trap_qkey),
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.offset_words = 17,
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.offset_bits = 0,
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.size_bits = 32 },
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};
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#define GUIDINFO_REC_FIELD(field) \
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.struct_offset_bytes = offsetof(struct ib_sa_guidinfo_rec, field), \
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.struct_size_bytes = sizeof((struct ib_sa_guidinfo_rec *) 0)->field, \
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@ -1645,6 +1727,97 @@ err1:
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}
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EXPORT_SYMBOL(ib_sa_guid_info_rec_query);
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/* Support get SA ClassPortInfo */
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static void ib_sa_classport_info_rec_callback(struct ib_sa_query *sa_query,
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int status,
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struct ib_sa_mad *mad)
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{
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struct ib_sa_classport_info_query *query =
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container_of(sa_query, struct ib_sa_classport_info_query, sa_query);
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if (mad) {
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struct ib_class_port_info rec;
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ib_unpack(classport_info_rec_table,
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ARRAY_SIZE(classport_info_rec_table),
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mad->data, &rec);
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query->callback(status, &rec, query->context);
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} else {
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query->callback(status, NULL, query->context);
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}
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}
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static void ib_sa_portclass_info_rec_release(struct ib_sa_query *sa_query)
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{
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kfree(container_of(sa_query, struct ib_sa_classport_info_query,
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sa_query));
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}
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int ib_sa_classport_info_rec_query(struct ib_sa_client *client,
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struct ib_device *device, u8 port_num,
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int timeout_ms, gfp_t gfp_mask,
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void (*callback)(int status,
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struct ib_class_port_info *resp,
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void *context),
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void *context,
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struct ib_sa_query **sa_query)
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{
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struct ib_sa_classport_info_query *query;
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struct ib_sa_device *sa_dev = ib_get_client_data(device, &sa_client);
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struct ib_sa_port *port;
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struct ib_mad_agent *agent;
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struct ib_sa_mad *mad;
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int ret;
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if (!sa_dev)
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return -ENODEV;
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port = &sa_dev->port[port_num - sa_dev->start_port];
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agent = port->agent;
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query = kzalloc(sizeof(*query), gfp_mask);
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if (!query)
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return -ENOMEM;
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query->sa_query.port = port;
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ret = alloc_mad(&query->sa_query, gfp_mask);
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if (ret)
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goto err1;
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ib_sa_client_get(client);
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query->sa_query.client = client;
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query->callback = callback;
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query->context = context;
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mad = query->sa_query.mad_buf->mad;
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init_mad(mad, agent);
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query->sa_query.callback = callback ? ib_sa_classport_info_rec_callback : NULL;
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query->sa_query.release = ib_sa_portclass_info_rec_release;
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/* support GET only */
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mad->mad_hdr.method = IB_MGMT_METHOD_GET;
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mad->mad_hdr.attr_id = cpu_to_be16(IB_SA_ATTR_CLASS_PORTINFO);
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mad->sa_hdr.comp_mask = 0;
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*sa_query = &query->sa_query;
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ret = send_mad(&query->sa_query, timeout_ms, gfp_mask);
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if (ret < 0)
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goto err2;
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return ret;
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err2:
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*sa_query = NULL;
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ib_sa_client_put(query->sa_query.client);
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free_mad(&query->sa_query);
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err1:
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kfree(query);
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return ret;
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}
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EXPORT_SYMBOL(ib_sa_classport_info_rec_query);
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static void send_handler(struct ib_mad_agent *agent,
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struct ib_mad_send_wc *mad_send_wc)
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{
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@ -94,6 +94,8 @@ enum ib_sa_selector {
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IB_SA_BEST = 3
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};
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#define IB_SA_CAP_MASK2_SENDONLY_FULL_MEM_SUPPORT BIT(12)
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/*
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* Structures for SA records are named "struct ib_sa_xxx_rec." No
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* attempt is made to pack structures to match the physical layout of
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@ -439,4 +441,14 @@ int ib_sa_guid_info_rec_query(struct ib_sa_client *client,
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void *context,
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struct ib_sa_query **sa_query);
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/* Support get SA ClassPortInfo */
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int ib_sa_classport_info_rec_query(struct ib_sa_client *client,
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struct ib_device *device, u8 port_num,
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int timeout_ms, gfp_t gfp_mask,
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void (*callback)(int status,
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struct ib_class_port_info *resp,
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void *context),
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void *context,
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struct ib_sa_query **sa_query);
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#endif /* IB_SA_H */
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