Return-path: Received: from mail-gy0-f174.google.com ([209.85.160.174]:53766 "EHLO mail-gy0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754267Ab1JWHrw (ORCPT ); Sun, 23 Oct 2011 03:47:52 -0400 Received: by gyb13 with SMTP id 13so4917234gyb.19 for ; Sun, 23 Oct 2011 00:47:52 -0700 (PDT) From: ilanelias78@gmail.com To: aloisio.almeida@openbossa.org, lauro.venancio@openbossa.org, samuel@sortiz.org, linville@tuxdriver.com Cc: linux-wireless@vger.kernel.org, Ilan Elias Subject: [PATCH] NFC: update to NCI spec 1.0 draft 18 Date: Sun, 23 Oct 2011 09:46:11 +0200 Message-Id: <1319355971-14757-1-git-send-email-ilane@ti.com> (sfid-20111023_094757_479221_9314EDF2) Sender: linux-wireless-owner@vger.kernel.org List-ID: From: Ilan Elias Signed-off-by: Ilan Elias --- include/net/nfc/nci.h | 208 ++++++++++++++++++++++--------------------- include/net/nfc/nci_core.h | 13 +-- net/nfc/nci/core.c | 17 ++-- net/nfc/nci/data.c | 5 +- net/nfc/nci/lib.c | 8 +-- net/nfc/nci/ntf.c | 152 +++++++++++++++++++------------- net/nfc/nci/rsp.c | 149 ++++++++++++++----------------- 7 files changed, 281 insertions(+), 271 deletions(-) diff --git a/include/net/nfc/nci.h b/include/net/nfc/nci.h index 39b85bc..e4a2632 100644 --- a/include/net/nfc/nci.h +++ b/include/net/nfc/nci.h @@ -33,47 +33,49 @@ #define NCI_MAX_NUM_RF_CONFIGS 10 #define NCI_MAX_NUM_CONN 10 -/* NCI Status Codes */ -#define NCI_STATUS_OK 0x00 -#define NCI_STATUS_REJECTED 0x01 -#define NCI_STATUS_MESSAGE_CORRUPTED 0x02 -#define NCI_STATUS_BUFFER_FULL 0x03 -#define NCI_STATUS_FAILED 0x04 -#define NCI_STATUS_NOT_INITIALIZED 0x05 -#define NCI_STATUS_SYNTAX_ERROR 0x06 -#define NCI_STATUS_SEMANTIC_ERROR 0x07 -#define NCI_STATUS_UNKNOWN_GID 0x08 -#define NCI_STATUS_UNKNOWN_OID 0x09 -#define NCI_STATUS_INVALID_PARAM 0x0a -#define NCI_STATUS_MESSAGE_SIZE_EXCEEDED 0x0b -/* Discovery Specific Status Codes */ -#define NCI_STATUS_DISCOVERY_ALREADY_STARTED 0xa0 -#define NCI_STATUS_DISCOVERY_TARGET_ACTIVATION_FAILED 0xa1 +/* Generic Status Codes */ +#define NCI_STATUS_OK 0x00 +#define NCI_STATUS_REJECTED 0x01 +#define NCI_STATUS_RF_FRAME_CORRUPTED 0x02 +#define NCI_STATUS_FAILED 0x03 +#define NCI_STATUS_NOT_INITIALIZED 0x04 +#define NCI_STATUS_SYNTAX_ERROR 0x05 +#define NCI_STATUS_SEMANTIC_ERROR 0x06 +#define NCI_STATUS_UNKNOWN_GID 0x07 +#define NCI_STATUS_UNKNOWN_OID 0x08 +#define NCI_STATUS_INVALID_PARAM 0x09 +#define NCI_STATUS_MESSAGE_SIZE_EXCEEDED 0x0a +/* RF Discovery Specific Status Codes */ +#define NCI_STATUS_DISCOVERY_ALREADY_STARTED 0xa0 +#define NCI_STATUS_DISCOVERY_TARGET_ACTIVATION_FAILED 0xa1 +#define NCI_STATUS_DISCOVERY_TEAR_DOWN 0xa2 /* RF Interface Specific Status Codes */ -#define NCI_STATUS_RF_TRANSMISSION_ERROR 0xb0 -#define NCI_STATUS_RF_PROTOCOL_ERROR 0xb1 -#define NCI_STATUS_RF_TIMEOUT_ERROR 0xb2 -#define NCI_STATUS_RF_LINK_LOSS_ERROR 0xb3 +#define NCI_STATUS_RF_TRANSMISSION_ERROR 0xb0 +#define NCI_STATUS_RF_PROTOCOL_ERROR 0xb1 +#define NCI_STATUS_RF_TIMEOUT_ERROR 0xb2 /* NFCEE Interface Specific Status Codes */ -#define NCI_STATUS_MAX_ACTIVE_NFCEE_INTERFACES_REACHED 0xc0 -#define NCI_STATUS_NFCEE_INTERFACE_ACTIVATION_FAILED 0xc1 -#define NCI_STATUS_NFCEE_TRANSMISSION_ERROR 0xc2 -#define NCI_STATUS_NFCEE_PROTOCOL_ERROR 0xc3 +#define NCI_STATUS_MAX_ACTIVE_NFCEE_INTERFACES_REACHED 0xc0 +#define NCI_STATUS_NFCEE_INTERFACE_ACTIVATION_FAILED 0xc1 +#define NCI_STATUS_NFCEE_TRANSMISSION_ERROR 0xc2 +#define NCI_STATUS_NFCEE_PROTOCOL_ERROR 0xc3 #define NCI_STATUS_NFCEE_TIMEOUT_ERROR 0xc4 -/* NCI RF Technology and Mode */ -#define NCI_NFC_A_PASSIVE_POLL_MODE 0x00 -#define NCI_NFC_B_PASSIVE_POLL_MODE 0x01 -#define NCI_NFC_F_PASSIVE_POLL_MODE 0x02 -#define NCI_NFC_A_ACTIVE_POLL_MODE 0x03 -#define NCI_NFC_F_ACTIVE_POLL_MODE 0x05 -#define NCI_NFC_A_PASSIVE_LISTEN_MODE 0x80 -#define NCI_NFC_B_PASSIVE_LISTEN_MODE 0x81 -#define NCI_NFC_F_PASSIVE_LISTEN_MODE 0x82 -#define NCI_NFC_A_ACTIVE_LISTEN_MODE 0x83 -#define NCI_NFC_F_ACTIVE_LISTEN_MODE 0x85 - -/* NCI RF Protocols */ +/* RF Technologies */ +#define NCI_NFC_RF_TECHNOLOGY_A 0x00 +#define NCI_NFC_RF_TECHNOLOGY_B 0x01 +#define NCI_NFC_RF_TECHNOLOGY_F 0x02 +#define NCI_NFC_RF_TECHNOLOGY_15693 0x03 + +/* Bit Rates */ +#define NCI_NFC_BIT_RATE_106 0x00 +#define NCI_NFC_BIT_RATE_212 0x01 +#define NCI_NFC_BIT_RATE_424 0x02 +#define NCI_NFC_BIT_RATE_848 0x03 +#define NCI_NFC_BIT_RATE_1696 0x04 +#define NCI_NFC_BIT_RATE_3392 0x05 +#define NCI_NFC_BIT_RATE_6784 0x06 + +/* RF Protocols */ #define NCI_RF_PROTOCOL_UNKNOWN 0x00 #define NCI_RF_PROTOCOL_T1T 0x01 #define NCI_RF_PROTOCOL_T2T 0x02 @@ -81,38 +83,54 @@ #define NCI_RF_PROTOCOL_ISO_DEP 0x04 #define NCI_RF_PROTOCOL_NFC_DEP 0x05 -/* NCI RF Interfaces */ -#define NCI_RF_INTERFACE_RFU 0x00 -#define NCI_RF_INTERFACE_FRAME 0x01 -#define NCI_RF_INTERFACE_ISO_DEP 0x02 -#define NCI_RF_INTERFACE_NFC_DEP 0x03 +/* RF Interfaces */ +#define NCI_RF_INTERFACE_NFCEE_DIRECT 0x00 +#define NCI_RF_INTERFACE_FRAME 0x01 +#define NCI_RF_INTERFACE_ISO_DEP 0x02 +#define NCI_RF_INTERFACE_NFC_DEP 0x03 -/* NCI RF_DISCOVER_MAP_CMD modes */ +/* Reset types */ +#define NCI_RESET_TYPE_KEEP_CONFIG 0x00 +#define NCI_RESET_TYPE_RESET_CONFIG 0x01 + +/* Static RF connection ID */ +#define NCI_STATIC_RF_CONN_ID 0x00 + +/* RF_DISCOVER_MAP_CMD modes */ #define NCI_DISC_MAP_MODE_POLL 0x01 #define NCI_DISC_MAP_MODE_LISTEN 0x02 #define NCI_DISC_MAP_MODE_BOTH 0x03 -/* NCI Discovery Types */ +/* Discovery Types */ #define NCI_DISCOVERY_TYPE_POLL_A_PASSIVE 0x00 -#define NCI_DISCOVERY_TYPE_POLL_B_PASSIVE 0x01 -#define NCI_DISCOVERY_TYPE_POLL_F_PASSIVE 0x02 -#define NCI_DISCOVERY_TYPE_POLL_A_ACTIVE 0x03 -#define NCI_DISCOVERY_TYPE_POLL_F_ACTIVE 0x05 -#define NCI_DISCOVERY_TYPE_WAKEUP_A_PASSIVE 0x06 -#define NCI_DISCOVERY_TYPE_WAKEUP_B_PASSIVE 0x07 -#define NCI_DISCOVERY_TYPE_WAKEUP_A_ACTIVE 0x09 -#define NCI_DISCOVERY_TYPE_LISTEN_A_PASSIVE 0x80 -#define NCI_DISCOVERY_TYPE_LISTEN_B_PASSIVE 0x81 -#define NCI_DISCOVERY_TYPE_LISTEN_F_PASSIVE 0x82 -#define NCI_DISCOVERY_TYPE_LISTEN_A_ACTIVE 0x83 -#define NCI_DISCOVERY_TYPE_LISTEN_F_ACTIVE 0x85 - -/* NCI Deactivation Type */ -#define NCI_DEACTIVATE_TYPE_IDLE_MODE 0x00 -#define NCI_DEACTIVATE_TYPE_SLEEP_MODE 0x01 -#define NCI_DEACTIVATE_TYPE_SLEEP_AF_MODE 0x02 -#define NCI_DEACTIVATE_TYPE_RF_LINK_LOSS 0x03 -#define NCI_DEACTIVATE_TYPE_DISCOVERY_ERROR 0x04 +#define NCI_DISCOVERY_TYPE_POLL_B_PASSIVE 0x01 +#define NCI_DISCOVERY_TYPE_POLL_F_PASSIVE 0x02 +#define NCI_DISCOVERY_TYPE_POLL_A_ACTIVE 0x03 +#define NCI_DISCOVERY_TYPE_POLL_F_ACTIVE 0x05 +#define NCI_DISCOVERY_TYPE_WAKEUP_A_ACTIVE 0x09 +#define NCI_DISCOVERY_TYPE_LISTEN_A_PASSIVE 0x80 +#define NCI_DISCOVERY_TYPE_LISTEN_B_PASSIVE 0x81 +#define NCI_DISCOVERY_TYPE_LISTEN_F_PASSIVE 0x82 +#define NCI_DISCOVERY_TYPE_LISTEN_A_ACTIVE 0x83 +#define NCI_DISCOVERY_TYPE_LISTEN_F_ACTIVE 0x85 + +/* RF Technology and Mode */ +#define NCI_NFC_A_PASSIVE_POLL_MODE 0x00 +#define NCI_NFC_B_PASSIVE_POLL_MODE 0x01 +#define NCI_NFC_F_PASSIVE_POLL_MODE 0x02 +#define NCI_NFC_A_ACTIVE_POLL_MODE 0x03 +#define NCI_NFC_F_ACTIVE_POLL_MODE 0x05 +#define NCI_NFC_A_PASSIVE_LISTEN_MODE 0x80 +#define NCI_NFC_B_PASSIVE_LISTEN_MODE 0x81 +#define NCI_NFC_F_PASSIVE_LISTEN_MODE 0x82 +#define NCI_NFC_A_ACTIVE_LISTEN_MODE 0x83 +#define NCI_NFC_F_ACTIVE_LISTEN_MODE 0x85 + +/* Deactivation Type */ +#define NCI_DEACTIVATE_TYPE_IDLE_MODE 0x00 +#define NCI_DEACTIVATE_TYPE_SLEEP_MODE 0x01 +#define NCI_DEACTIVATE_TYPE_SLEEP_AF_MODE 0x02 +#define NCI_DEACTIVATE_TYPE_DISCOVERY 0x03 /* Message Type (MT) */ #define NCI_MT_DATA_PKT 0x00 @@ -144,10 +162,10 @@ #define nci_conn_id(hdr) (__u8)(((hdr)[0])&0x0f) /* GID values */ -#define NCI_GID_CORE 0x0 -#define NCI_GID_RF_MGMT 0x1 -#define NCI_GID_NFCEE_MGMT 0x2 -#define NCI_GID_PROPRIETARY 0xf +#define NCI_GID_CORE 0x0 +#define NCI_GID_RF_MGMT 0x1 +#define NCI_GID_NFCEE_MGMT 0x2 +#define NCI_GID_PROPRIETARY 0xf /* ---- NCI Packet structures ---- */ #define NCI_CTRL_HDR_SIZE 3 @@ -169,18 +187,11 @@ struct nci_data_hdr { /* ----- NCI Commands ---- */ /* ------------------------ */ #define NCI_OP_CORE_RESET_CMD nci_opcode_pack(NCI_GID_CORE, 0x00) - -#define NCI_OP_CORE_INIT_CMD nci_opcode_pack(NCI_GID_CORE, 0x01) - -#define NCI_OP_CORE_SET_CONFIG_CMD nci_opcode_pack(NCI_GID_CORE, 0x02) - -#define NCI_OP_CORE_CONN_CREATE_CMD nci_opcode_pack(NCI_GID_CORE, 0x04) -struct nci_core_conn_create_cmd { - __u8 target_handle; - __u8 num_target_specific_params; +struct nci_core_reset_cmd { + __u8 reset_type; } __packed; -#define NCI_OP_CORE_CONN_CLOSE_CMD nci_opcode_pack(NCI_GID_CORE, 0x06) +#define NCI_OP_CORE_INIT_CMD nci_opcode_pack(NCI_GID_CORE, 0x01) #define NCI_OP_RF_DISCOVER_MAP_CMD nci_opcode_pack(NCI_GID_RF_MGMT, 0x00) struct disc_map_config { @@ -218,6 +229,7 @@ struct nci_rf_deactivate_cmd { struct nci_core_reset_rsp { __u8 status; __u8 nci_ver; + __u8 config_status; } __packed; #define NCI_OP_CORE_INIT_RSP nci_opcode_pack(NCI_GID_CORE, 0x01) @@ -232,24 +244,14 @@ struct nci_core_init_rsp_1 { struct nci_core_init_rsp_2 { __u8 max_logical_connections; __le16 max_routing_table_size; - __u8 max_control_packet_payload_length; - __le16 rf_sending_buffer_size; - __le16 rf_receiving_buffer_size; - __le16 manufacturer_id; -} __packed; - -#define NCI_OP_CORE_SET_CONFIG_RSP nci_opcode_pack(NCI_GID_CORE, 0x02) - -#define NCI_OP_CORE_CONN_CREATE_RSP nci_opcode_pack(NCI_GID_CORE, 0x04) -struct nci_core_conn_create_rsp { - __u8 status; - __u8 max_pkt_payload_size; + __u8 max_control_pkt_payload_len; + __le16 max_size_for_large_params; + __u8 max_data_pkt_payload_size; __u8 initial_num_credits; - __u8 conn_id; + __u8 manufacturer_id; + __le32 manufacturer_specific_info; } __packed; -#define NCI_OP_CORE_CONN_CLOSE_RSP nci_opcode_pack(NCI_GID_CORE, 0x06) - #define NCI_OP_RF_DISCOVER_MAP_RSP nci_opcode_pack(NCI_GID_RF_MGMT, 0x00) #define NCI_OP_RF_DISCOVER_RSP nci_opcode_pack(NCI_GID_RF_MGMT, 0x03) @@ -270,12 +272,7 @@ struct nci_core_conn_credit_ntf { struct conn_credit_entry conn_entries[NCI_MAX_NUM_CONN]; } __packed; -#define NCI_OP_RF_FIELD_INFO_NTF nci_opcode_pack(NCI_GID_CORE, 0x08) -struct nci_rf_field_info_ntf { - __u8 rf_field_status; -} __packed; - -#define NCI_OP_RF_ACTIVATE_NTF nci_opcode_pack(NCI_GID_RF_MGMT, 0x05) +#define NCI_OP_RF_INTF_ACTIVATED_NTF nci_opcode_pack(NCI_GID_RF_MGMT, 0x05) struct rf_tech_specific_params_nfca_poll { __u16 sens_res; __u8 nfcid1_len; /* 0, 4, 7, or 10 Bytes */ @@ -289,17 +286,20 @@ struct activation_params_nfca_poll_iso_dep { __u8 rats_res[20]; }; -struct nci_rf_activate_ntf { - __u8 target_handle; +struct nci_rf_intf_activated_ntf { + __u8 rf_discovery_id; + __u8 rf_interface_type; __u8 rf_protocol; - __u8 rf_tech_and_mode; + __u8 activation_rf_tech_and_mode; __u8 rf_tech_specific_params_len; union { struct rf_tech_specific_params_nfca_poll nfca_poll; } rf_tech_specific_params; - __u8 rf_interface_type; + __u8 data_exchange_rf_tech_and_mode; + __u8 data_exchange_tx_bit_rate; + __u8 data_exchange_rx_bit_rate; __u8 activation_params_len; union { @@ -309,5 +309,9 @@ struct nci_rf_activate_ntf { } __packed; #define NCI_OP_RF_DEACTIVATE_NTF nci_opcode_pack(NCI_GID_RF_MGMT, 0x06) +struct nci_rf_deactivate_ntf { + __u8 type; + __u8 reason; +} __packed; #endif /* __NCI_H */ diff --git a/include/net/nfc/nci_core.h b/include/net/nfc/nci_core.h index b8b4bbd..77b7c9e 100644 --- a/include/net/nfc/nci_core.h +++ b/include/net/nfc/nci_core.h @@ -109,15 +109,12 @@ struct nci_dev { [NCI_MAX_SUPPORTED_RF_INTERFACES]; __u8 max_logical_connections; __u16 max_routing_table_size; - __u8 max_control_packet_payload_length; - __u16 rf_sending_buffer_size; - __u16 rf_receiving_buffer_size; - __u16 manufacturer_id; - - /* received during NCI_OP_CORE_CONN_CREATE_RSP for static conn 0 */ - __u8 max_pkt_payload_size; + __u8 max_control_pkt_payload_len; + __u16 max_size_for_large_params; + __u8 max_data_pkt_payload_size; __u8 initial_num_credits; - __u8 conn_id; + __u8 manufacturer_id; + __u32 manufacturer_specific_info; /* stored during nci_data_exchange */ data_exchange_cb_t data_exchange_cb; diff --git a/net/nfc/nci/core.c b/net/nfc/nci/core.c index 4047e29..056cd37 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) @@ -135,17 +138,11 @@ static void nci_init_req(struct nci_dev *ndev, unsigned long opt) static void nci_init_complete_req(struct nci_dev *ndev, unsigned long opt) { - struct nci_core_conn_create_cmd conn_cmd; struct nci_rf_disc_map_cmd cmd; struct disc_map_config *cfg = cmd.mapping_configs; __u8 *num = &cmd.num_mapping_configs; int i; - /* create static rf connection */ - conn_cmd.target_handle = 0; - conn_cmd.num_target_specific_params = 0; - nci_send_cmd(ndev, NCI_OP_CORE_CONN_CREATE_CMD, 2, &conn_cmd); - /* set rf mapping configurations */ *num = 0; @@ -469,7 +466,7 @@ 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); @@ -725,7 +722,9 @@ static void nci_tx_work(struct work_struct *work) if (!skb) return; - atomic_dec(&ndev->credits_cnt); + /* Check if data flow control is used */ + if (atomic_read(&ndev->credits_cnt) != 0xff) + atomic_dec(&ndev->credits_cnt); nfc_dbg("NCI TX: MT=data, PBF=%d, conn_id=%d, plen=%d", nci_pbf(skb->data), diff --git a/net/nfc/nci/data.c b/net/nfc/nci/data.c index e5ed90f..511fb96 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 b19dc2f..e99adcf 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 96633f5..770dfc8 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); @@ -66,22 +66,12 @@ static void nci_core_conn_credits_ntf_packet(struct nci_dev *ndev, queue_work(ndev->tx_wq, &ndev->tx_work); } -static void nci_rf_field_info_ntf_packet(struct nci_dev *ndev, - struct sk_buff *skb) -{ - struct nci_rf_field_info_ntf *ntf = (void *) skb->data; - - 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 +90,32 @@ 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 +123,7 @@ 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 +131,8 @@ 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 +150,86 @@ 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_exchange_rf_tech_and_mode = *data++; + ntf.data_exchange_tx_bit_rate = *data++; + ntf.data_exchange_rx_bit_rate = *data++; + ntf.activation_params_len = *data++; + + nfc_dbg("data_exchange_rf_tech_and_mode 0x%x", + ntf.data_exchange_rf_tech_and_mode); + nfc_dbg("data_exchange_tx_bit_rate 0x%x", + ntf.data_exchange_tx_bit_rate); + nfc_dbg("data_exchange_rx_bit_rate 0x%x", + ntf.data_exchange_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; @@ -214,6 +243,9 @@ static void nci_rf_deactivate_ntf_packet(struct nci_dev *ndev, ndev->rx_data_reassembly = 0; } + /* set the available credits to initial value */ + atomic_set(&ndev->credits_cnt, ndev->initial_num_credits); + /* complete the data exchange transaction, if exists */ if (test_bit(NCI_DATA_EXCHANGE, &ndev->flags)) nci_data_exchange_complete(ndev, NULL, -EIO); @@ -237,12 +269,8 @@ void nci_ntf_packet(struct nci_dev *ndev, struct sk_buff *skb) nci_core_conn_credits_ntf_packet(ndev, skb); break; - case NCI_OP_RF_FIELD_INFO_NTF: - 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 0403d4c..1d2a1ce 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); } @@ -57,86 +58,76 @@ 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; - - 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) { + if (rsp_1->status == NCI_STATUS_OK) { + ndev->nfcc_features = __le32_to_cpu(rsp_1->nfcc_features); ndev->num_supported_rf_interfaces = - NCI_MAX_SUPPORTED_RF_INTERFACES; + rsp_1->num_supported_rf_interfaces; + + if (ndev->num_supported_rf_interfaces > + NCI_MAX_SUPPORTED_RF_INTERFACES) { + ndev->num_supported_rf_interfaces = + NCI_MAX_SUPPORTED_RF_INTERFACES; + } + + memcpy(ndev->supported_rf_interfaces, + rsp_1->supported_rf_interfaces, + 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_pkt_payload_len = + rsp_2->max_control_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->manufacturer_id = + rsp_2->manufacturer_id; + ndev->manufacturer_specific_info = + __le32_to_cpu(rsp_2->manufacturer_specific_info); + + atomic_set(&ndev->credits_cnt, ndev->initial_num_credits); + + nfc_dbg("nfcc_features 0x%x", + ndev->nfcc_features); + nfc_dbg("num_supported_rf_interfaces %d", + ndev->num_supported_rf_interfaces); + nfc_dbg("supported_rf_interfaces[0] 0x%x", + ndev->supported_rf_interfaces[0]); + nfc_dbg("supported_rf_interfaces[1] 0x%x", + ndev->supported_rf_interfaces[1]); + nfc_dbg("supported_rf_interfaces[2] 0x%x", + ndev->supported_rf_interfaces[2]); + nfc_dbg("supported_rf_interfaces[3] 0x%x", + ndev->supported_rf_interfaces[3]); + nfc_dbg("max_logical_connections %d", + ndev->max_logical_connections); + nfc_dbg("max_routing_table_size %d", + ndev->max_routing_table_size); + nfc_dbg("max_control_pkt_payload_len %d", + ndev->max_control_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("manufacturer_id 0x%x", + ndev->manufacturer_id); + nfc_dbg("manufacturer_specific_info 0x%x", + ndev->manufacturer_specific_info); } - memcpy(ndev->supported_rf_interfaces, - rsp_1->supported_rf_interfaces, - ndev->num_supported_rf_interfaces); - - rsp_2 = (void *) (skb->data + 6 + ndev->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); - - nfc_dbg("nfcc_features 0x%x", - ndev->nfcc_features); - nfc_dbg("num_supported_rf_interfaces %d", - ndev->num_supported_rf_interfaces); - nfc_dbg("supported_rf_interfaces[0] 0x%x", - ndev->supported_rf_interfaces[0]); - nfc_dbg("supported_rf_interfaces[1] 0x%x", - ndev->supported_rf_interfaces[1]); - nfc_dbg("supported_rf_interfaces[2] 0x%x", - ndev->supported_rf_interfaces[2]); - nfc_dbg("supported_rf_interfaces[3] 0x%x", - ndev->supported_rf_interfaces[3]); - nfc_dbg("max_logical_connections %d", - 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); - nci_req_complete(ndev, rsp_1->status); } -static void nci_core_conn_create_rsp_packet(struct nci_dev *ndev, - struct sk_buff *skb) -{ - struct nci_core_conn_create_rsp *rsp = (void *) skb->data; - - nfc_dbg("entry, status 0x%x", rsp->status); - - if (rsp->status != NCI_STATUS_OK) - return; - - ndev->max_pkt_payload_size = rsp->max_pkt_payload_size; - ndev->initial_num_credits = rsp->initial_num_credits; - ndev->conn_id = rsp->conn_id; - - atomic_set(&ndev->credits_cnt, ndev->initial_num_credits); - - nfc_dbg("max_pkt_payload_size %d", ndev->max_pkt_payload_size); - nfc_dbg("initial_num_credits %d", ndev->initial_num_credits); - nfc_dbg("conn_id %d", ndev->conn_id); -} - static void nci_rf_disc_map_rsp_packet(struct nci_dev *ndev, struct sk_buff *skb) { @@ -196,10 +187,6 @@ void nci_rsp_packet(struct nci_dev *ndev, struct sk_buff *skb) nci_core_init_rsp_packet(ndev, skb); break; - case NCI_OP_CORE_CONN_CREATE_RSP: - nci_core_conn_create_rsp_packet(ndev, skb); - break; - case NCI_OP_RF_DISCOVER_MAP_RSP: nci_rf_disc_map_rsp_packet(ndev, skb); break; -- 1.7.0.4