From e8c0dacd9836dc2dcb28d236c9cc3cfaa9965a20 Mon Sep 17 00:00:00 2001 From: Ilan Elias Date: Wed, 9 Nov 2011 12:09:14 +0200 Subject: NFC: Update names and structs to NCI spec 1.0 d18 Addition, deletion and modification of NCI constants. Changes in NCI commands, responses and notifications structures. Signed-off-by: Ilan Elias Acked-by: Lauro Ramos Venancio Signed-off-by: John W. Linville --- net/nfc/nci/core.c | 7 ++- net/nfc/nci/data.c | 5 +- net/nfc/nci/lib.c | 8 +--- net/nfc/nci/ntf.c | 137 ++++++++++++++++++++++++++++++++++------------------- net/nfc/nci/rsp.c | 58 ++++++++++++++--------- 5 files changed, 131 insertions(+), 84 deletions(-) (limited to 'net') diff --git a/net/nfc/nci/core.c b/net/nfc/nci/core.c index 4047e29acb3b..557fe92d29c7 100644 --- a/net/nfc/nci/core.c +++ b/net/nfc/nci/core.c @@ -125,7 +125,10 @@ static inline int nci_request(struct nci_dev *ndev, static void nci_reset_req(struct nci_dev *ndev, unsigned long opt) { - nci_send_cmd(ndev, NCI_OP_CORE_RESET_CMD, 0, NULL); + struct nci_core_reset_cmd cmd; + + cmd.reset_type = NCI_RESET_TYPE_RESET_CONFIG; + nci_send_cmd(ndev, NCI_OP_CORE_RESET_CMD, 1, &cmd); } static void nci_init_req(struct nci_dev *ndev, unsigned long opt) @@ -469,7 +472,7 @@ static int nci_data_exchange(struct nfc_dev *nfc_dev, __u32 target_idx, ndev->data_exchange_cb = cb; ndev->data_exchange_cb_context = cb_context; - rc = nci_send_data(ndev, ndev->conn_id, skb); + rc = nci_send_data(ndev, NCI_STATIC_RF_CONN_ID, skb); if (rc) clear_bit(NCI_DATA_EXCHANGE, &ndev->flags); diff --git a/net/nfc/nci/data.c b/net/nfc/nci/data.c index e5ed90fc1a9c..511fb96e21bc 100644 --- a/net/nfc/nci/data.c +++ b/net/nfc/nci/data.c @@ -95,7 +95,8 @@ static int nci_queue_tx_data_frags(struct nci_dev *ndev, __skb_queue_head_init(&frags_q); while (total_len) { - frag_len = min_t(int, total_len, ndev->max_pkt_payload_size); + frag_len = + min_t(int, total_len, ndev->max_data_pkt_payload_size); skb_frag = nci_skb_alloc(ndev, (NCI_DATA_HDR_SIZE + frag_len), @@ -151,7 +152,7 @@ int nci_send_data(struct nci_dev *ndev, __u8 conn_id, struct sk_buff *skb) nfc_dbg("entry, conn_id 0x%x, plen %d", conn_id, skb->len); /* check if the packet need to be fragmented */ - if (skb->len <= ndev->max_pkt_payload_size) { + if (skb->len <= ndev->max_data_pkt_payload_size) { /* no need to fragment packet */ nci_push_data_hdr(ndev, conn_id, skb, NCI_PBF_LAST); diff --git a/net/nfc/nci/lib.c b/net/nfc/nci/lib.c index b19dc2fa90e1..e99adcfb1bcf 100644 --- a/net/nfc/nci/lib.c +++ b/net/nfc/nci/lib.c @@ -42,12 +42,9 @@ int nci_to_errno(__u8 code) case NCI_STATUS_REJECTED: return -EBUSY; - case NCI_STATUS_MESSAGE_CORRUPTED: + case NCI_STATUS_RF_FRAME_CORRUPTED: return -EBADMSG; - case NCI_STATUS_BUFFER_FULL: - return -ENOBUFS; - case NCI_STATUS_NOT_INITIALIZED: return -EHOSTDOWN; @@ -80,9 +77,6 @@ int nci_to_errno(__u8 code) case NCI_STATUS_NFCEE_TIMEOUT_ERROR: return -ETIMEDOUT; - case NCI_STATUS_RF_LINK_LOSS_ERROR: - return -ENOLINK; - case NCI_STATUS_MAX_ACTIVE_NFCEE_INTERFACES_REACHED: return -EDQUOT; diff --git a/net/nfc/nci/ntf.c b/net/nfc/nci/ntf.c index 96633f5cda4f..6789f4828c0b 100644 --- a/net/nfc/nci/ntf.c +++ b/net/nfc/nci/ntf.c @@ -54,7 +54,7 @@ static void nci_core_conn_credits_ntf_packet(struct nci_dev *ndev, ntf->conn_entries[i].conn_id, ntf->conn_entries[i].credits); - if (ntf->conn_entries[i].conn_id == ndev->conn_id) { + if (ntf->conn_entries[i].conn_id == NCI_STATIC_RF_CONN_ID) { /* found static rf connection */ atomic_add(ntf->conn_entries[i].credits, &ndev->credits_cnt); @@ -74,14 +74,12 @@ static void nci_rf_field_info_ntf_packet(struct nci_dev *ndev, nfc_dbg("entry, rf_field_status %d", ntf->rf_field_status); } -static int nci_rf_activate_nfca_passive_poll(struct nci_dev *ndev, - struct nci_rf_activate_ntf *ntf, __u8 *data) +static __u8 *nci_extract_rf_params_nfca_passive_poll(struct nci_dev *ndev, + struct nci_rf_intf_activated_ntf *ntf, __u8 *data) { struct rf_tech_specific_params_nfca_poll *nfca_poll; - struct activation_params_nfca_poll_iso_dep *nfca_poll_iso_dep; nfca_poll = &ntf->rf_tech_specific_params.nfca_poll; - nfca_poll_iso_dep = &ntf->activation_params.nfca_poll_iso_dep; nfca_poll->sens_res = __le16_to_cpu(*((__u16 *)data)); data += 2; @@ -100,32 +98,32 @@ static int nci_rf_activate_nfca_passive_poll(struct nci_dev *ndev, if (nfca_poll->sel_res_len != 0) nfca_poll->sel_res = *data++; - ntf->rf_interface_type = *data++; - ntf->activation_params_len = *data++; - - nfc_dbg("sel_res_len %d, sel_res 0x%x, rf_interface_type %d, activation_params_len %d", + nfc_dbg("sel_res_len %d, sel_res 0x%x", nfca_poll->sel_res_len, - nfca_poll->sel_res, - ntf->rf_interface_type, - ntf->activation_params_len); - - switch (ntf->rf_interface_type) { - case NCI_RF_INTERFACE_ISO_DEP: - nfca_poll_iso_dep->rats_res_len = *data++; - if (nfca_poll_iso_dep->rats_res_len > 0) { - memcpy(nfca_poll_iso_dep->rats_res, + nfca_poll->sel_res); + + return data; +} + +static int nci_extract_activation_params_iso_dep(struct nci_dev *ndev, + struct nci_rf_intf_activated_ntf *ntf, __u8 *data) +{ + struct activation_params_nfca_poll_iso_dep *nfca_poll; + + switch (ntf->activation_rf_tech_and_mode) { + case NCI_NFC_A_PASSIVE_POLL_MODE: + nfca_poll = &ntf->activation_params.nfca_poll_iso_dep; + nfca_poll->rats_res_len = *data++; + if (nfca_poll->rats_res_len > 0) { + memcpy(nfca_poll->rats_res, data, - nfca_poll_iso_dep->rats_res_len); + nfca_poll->rats_res_len); } break; - case NCI_RF_INTERFACE_FRAME: - /* no activation params */ - break; - default: - nfc_err("unsupported rf_interface_type 0x%x", - ntf->rf_interface_type); + nfc_err("unsupported activation_rf_tech_and_mode 0x%x", + ntf->activation_rf_tech_and_mode); return -EPROTO; } @@ -133,7 +131,7 @@ static int nci_rf_activate_nfca_passive_poll(struct nci_dev *ndev, } static void nci_target_found(struct nci_dev *ndev, - struct nci_rf_activate_ntf *ntf) + struct nci_rf_intf_activated_ntf *ntf) { struct nfc_target nfc_tgt; @@ -141,6 +139,8 @@ static void nci_target_found(struct nci_dev *ndev, nfc_tgt.supported_protocols = NFC_PROTO_MIFARE_MASK; else if (ntf->rf_protocol == NCI_RF_PROTOCOL_ISO_DEP) /* 4A */ nfc_tgt.supported_protocols = NFC_PROTO_ISO14443_MASK; + else + nfc_tgt.supported_protocols = 0; nfc_tgt.sens_res = ntf->rf_tech_specific_params.nfca_poll.sens_res; nfc_tgt.sel_res = ntf->rf_tech_specific_params.nfca_poll.sel_res; @@ -158,49 +158,86 @@ static void nci_target_found(struct nci_dev *ndev, nfc_targets_found(ndev->nfc_dev, &nfc_tgt, 1); } -static void nci_rf_activate_ntf_packet(struct nci_dev *ndev, - struct sk_buff *skb) +static void nci_rf_intf_activated_ntf_packet(struct nci_dev *ndev, + struct sk_buff *skb) { - struct nci_rf_activate_ntf ntf; + struct nci_rf_intf_activated_ntf ntf; __u8 *data = skb->data; - int rc = -1; + int err = 0; clear_bit(NCI_DISCOVERY, &ndev->flags); set_bit(NCI_POLL_ACTIVE, &ndev->flags); - ntf.target_handle = *data++; + ntf.rf_discovery_id = *data++; + ntf.rf_interface_type = *data++; ntf.rf_protocol = *data++; - ntf.rf_tech_and_mode = *data++; + ntf.activation_rf_tech_and_mode = *data++; ntf.rf_tech_specific_params_len = *data++; - nfc_dbg("target_handle %d, rf_protocol 0x%x, rf_tech_and_mode 0x%x, rf_tech_specific_params_len %d", - ntf.target_handle, - ntf.rf_protocol, - ntf.rf_tech_and_mode, + nfc_dbg("rf_discovery_id %d", ntf.rf_discovery_id); + nfc_dbg("rf_interface_type 0x%x", ntf.rf_interface_type); + nfc_dbg("rf_protocol 0x%x", ntf.rf_protocol); + nfc_dbg("activation_rf_tech_and_mode 0x%x", + ntf.activation_rf_tech_and_mode); + nfc_dbg("rf_tech_specific_params_len %d", ntf.rf_tech_specific_params_len); - switch (ntf.rf_tech_and_mode) { - case NCI_NFC_A_PASSIVE_POLL_MODE: - rc = nci_rf_activate_nfca_passive_poll(ndev, &ntf, - data); - break; + if (ntf.rf_tech_specific_params_len > 0) { + switch (ntf.activation_rf_tech_and_mode) { + case NCI_NFC_A_PASSIVE_POLL_MODE: + data = nci_extract_rf_params_nfca_passive_poll(ndev, + &ntf, data); + break; + + default: + nfc_err("unsupported activation_rf_tech_and_mode 0x%x", + ntf.activation_rf_tech_and_mode); + return; + } + } - default: - nfc_err("unsupported rf_tech_and_mode 0x%x", - ntf.rf_tech_and_mode); - return; + ntf.data_exch_rf_tech_and_mode = *data++; + ntf.data_exch_tx_bit_rate = *data++; + ntf.data_exch_rx_bit_rate = *data++; + ntf.activation_params_len = *data++; + + nfc_dbg("data_exch_rf_tech_and_mode 0x%x", + ntf.data_exch_rf_tech_and_mode); + nfc_dbg("data_exch_tx_bit_rate 0x%x", + ntf.data_exch_tx_bit_rate); + nfc_dbg("data_exch_rx_bit_rate 0x%x", + ntf.data_exch_rx_bit_rate); + nfc_dbg("activation_params_len %d", + ntf.activation_params_len); + + if (ntf.activation_params_len > 0) { + switch (ntf.rf_interface_type) { + case NCI_RF_INTERFACE_ISO_DEP: + err = nci_extract_activation_params_iso_dep(ndev, + &ntf, data); + break; + + case NCI_RF_INTERFACE_FRAME: + /* no activation params */ + break; + + default: + nfc_err("unsupported rf_interface_type 0x%x", + ntf.rf_interface_type); + return; + } } - if (!rc) + if (!err) nci_target_found(ndev, &ntf); } static void nci_rf_deactivate_ntf_packet(struct nci_dev *ndev, struct sk_buff *skb) { - __u8 type = skb->data[0]; + struct nci_rf_deactivate_ntf *ntf = (void *) skb->data; - nfc_dbg("entry, type 0x%x", type); + nfc_dbg("entry, type 0x%x, reason 0x%x", ntf->type, ntf->reason); clear_bit(NCI_POLL_ACTIVE, &ndev->flags); ndev->target_active_prot = 0; @@ -241,8 +278,8 @@ void nci_ntf_packet(struct nci_dev *ndev, struct sk_buff *skb) nci_rf_field_info_ntf_packet(ndev, skb); break; - case NCI_OP_RF_ACTIVATE_NTF: - nci_rf_activate_ntf_packet(ndev, skb); + case NCI_OP_RF_INTF_ACTIVATED_NTF: + nci_rf_intf_activated_ntf_packet(ndev, skb); break; case NCI_OP_RF_DEACTIVATE_NTF: diff --git a/net/nfc/nci/rsp.c b/net/nfc/nci/rsp.c index 0403d4cd0917..64fc58a6e28b 100644 --- a/net/nfc/nci/rsp.c +++ b/net/nfc/nci/rsp.c @@ -42,10 +42,11 @@ static void nci_core_reset_rsp_packet(struct nci_dev *ndev, struct sk_buff *skb) nfc_dbg("entry, status 0x%x", rsp->status); - if (rsp->status == NCI_STATUS_OK) + if (rsp->status == NCI_STATUS_OK) { ndev->nci_ver = rsp->nci_ver; - - nfc_dbg("nci_ver 0x%x", ndev->nci_ver); + nfc_dbg("nci_ver 0x%x, config_status 0x%x", + rsp->nci_ver, rsp->config_status); + } nci_req_complete(ndev, rsp->status); } @@ -58,13 +59,13 @@ static void nci_core_init_rsp_packet(struct nci_dev *ndev, struct sk_buff *skb) nfc_dbg("entry, status 0x%x", rsp_1->status); if (rsp_1->status != NCI_STATUS_OK) - return; + goto exit; ndev->nfcc_features = __le32_to_cpu(rsp_1->nfcc_features); ndev->num_supported_rf_interfaces = rsp_1->num_supported_rf_interfaces; if (ndev->num_supported_rf_interfaces > - NCI_MAX_SUPPORTED_RF_INTERFACES) { + NCI_MAX_SUPPORTED_RF_INTERFACES) { ndev->num_supported_rf_interfaces = NCI_MAX_SUPPORTED_RF_INTERFACES; } @@ -73,20 +74,26 @@ static void nci_core_init_rsp_packet(struct nci_dev *ndev, struct sk_buff *skb) rsp_1->supported_rf_interfaces, ndev->num_supported_rf_interfaces); - rsp_2 = (void *) (skb->data + 6 + ndev->num_supported_rf_interfaces); + rsp_2 = (void *) (skb->data + 6 + rsp_1->num_supported_rf_interfaces); ndev->max_logical_connections = rsp_2->max_logical_connections; ndev->max_routing_table_size = __le16_to_cpu(rsp_2->max_routing_table_size); - ndev->max_control_packet_payload_length = - rsp_2->max_control_packet_payload_length; - ndev->rf_sending_buffer_size = - __le16_to_cpu(rsp_2->rf_sending_buffer_size); - ndev->rf_receiving_buffer_size = - __le16_to_cpu(rsp_2->rf_receiving_buffer_size); - ndev->manufacturer_id = - __le16_to_cpu(rsp_2->manufacturer_id); + ndev->max_ctrl_pkt_payload_len = + rsp_2->max_ctrl_pkt_payload_len; + ndev->max_size_for_large_params = + __le16_to_cpu(rsp_2->max_size_for_large_params); + ndev->max_data_pkt_payload_size = + rsp_2->max_data_pkt_payload_size; + ndev->initial_num_credits = + rsp_2->initial_num_credits; + ndev->manufact_id = + rsp_2->manufact_id; + ndev->manufact_specific_info = + __le32_to_cpu(rsp_2->manufact_specific_info); + + atomic_set(&ndev->credits_cnt, ndev->initial_num_credits); nfc_dbg("nfcc_features 0x%x", ndev->nfcc_features); @@ -104,15 +111,20 @@ static void nci_core_init_rsp_packet(struct nci_dev *ndev, struct sk_buff *skb) ndev->max_logical_connections); nfc_dbg("max_routing_table_size %d", ndev->max_routing_table_size); - nfc_dbg("max_control_packet_payload_length %d", - ndev->max_control_packet_payload_length); - nfc_dbg("rf_sending_buffer_size %d", - ndev->rf_sending_buffer_size); - nfc_dbg("rf_receiving_buffer_size %d", - ndev->rf_receiving_buffer_size); - nfc_dbg("manufacturer_id 0x%x", - ndev->manufacturer_id); - + nfc_dbg("max_ctrl_pkt_payload_len %d", + ndev->max_ctrl_pkt_payload_len); + nfc_dbg("max_size_for_large_params %d", + ndev->max_size_for_large_params); + nfc_dbg("max_data_pkt_payload_size %d", + ndev->max_data_pkt_payload_size); + nfc_dbg("initial_num_credits %d", + ndev->initial_num_credits); + nfc_dbg("manufact_id 0x%x", + ndev->manufact_id); + nfc_dbg("manufact_specific_info 0x%x", + ndev->manufact_specific_info); + +exit: nci_req_complete(ndev, rsp_1->status); } -- cgit v1.2.3