diff options
Diffstat (limited to 'net/nfc/nci')
-rw-r--r-- | net/nfc/nci/core.c | 48 | ||||
-rw-r--r-- | net/nfc/nci/data.c | 8 | ||||
-rw-r--r-- | net/nfc/nci/lib.c | 1 | ||||
-rw-r--r-- | net/nfc/nci/ntf.c | 28 |
4 files changed, 48 insertions, 37 deletions
diff --git a/net/nfc/nci/core.c b/net/nfc/nci/core.c index 9ec065bb9ee1..f81efe13985a 100644 --- a/net/nfc/nci/core.c +++ b/net/nfc/nci/core.c @@ -27,6 +27,7 @@ #define pr_fmt(fmt) KBUILD_MODNAME ": %s: " fmt, __func__ +#include <linux/module.h> #include <linux/types.h> #include <linux/workqueue.h> #include <linux/completion.h> @@ -194,7 +195,7 @@ static void nci_rf_discover_req(struct nci_dev *ndev, unsigned long opt) } if ((cmd.num_disc_configs < NCI_MAX_NUM_RF_CONFIGS) && - (protocols & NFC_PROTO_ISO14443_MASK)) { + (protocols & NFC_PROTO_ISO14443_B_MASK)) { cmd.disc_configs[cmd.num_disc_configs].rf_tech_and_mode = NCI_NFC_B_PASSIVE_POLL_MODE; cmd.disc_configs[cmd.num_disc_configs].frequency = 1; @@ -387,7 +388,8 @@ static int nci_dev_down(struct nfc_dev *nfc_dev) return nci_close_device(ndev); } -static int nci_start_poll(struct nfc_dev *nfc_dev, __u32 protocols) +static int nci_start_poll(struct nfc_dev *nfc_dev, + __u32 im_protocols, __u32 tm_protocols) { struct nci_dev *ndev = nfc_get_drvdata(nfc_dev); int rc; @@ -413,11 +415,11 @@ static int nci_start_poll(struct nfc_dev *nfc_dev, __u32 protocols) return -EBUSY; } - rc = nci_request(ndev, nci_rf_discover_req, protocols, + rc = nci_request(ndev, nci_rf_discover_req, im_protocols, msecs_to_jiffies(NCI_RF_DISC_TIMEOUT)); if (!rc) - ndev->poll_prots = protocols; + ndev->poll_prots = im_protocols; return rc; } @@ -436,16 +438,16 @@ static void nci_stop_poll(struct nfc_dev *nfc_dev) msecs_to_jiffies(NCI_RF_DEACTIVATE_TIMEOUT)); } -static int nci_activate_target(struct nfc_dev *nfc_dev, __u32 target_idx, - __u32 protocol) +static int nci_activate_target(struct nfc_dev *nfc_dev, + struct nfc_target *target, __u32 protocol) { struct nci_dev *ndev = nfc_get_drvdata(nfc_dev); struct nci_rf_discover_select_param param; - struct nfc_target *target = NULL; + struct nfc_target *nci_target = NULL; int i; int rc = 0; - pr_debug("target_idx %d, protocol 0x%x\n", target_idx, protocol); + pr_debug("target_idx %d, protocol 0x%x\n", target->idx, protocol); if ((atomic_read(&ndev->state) != NCI_W4_HOST_SELECT) && (atomic_read(&ndev->state) != NCI_POLL_ACTIVE)) { @@ -459,25 +461,25 @@ static int nci_activate_target(struct nfc_dev *nfc_dev, __u32 target_idx, } for (i = 0; i < ndev->n_targets; i++) { - if (ndev->targets[i].idx == target_idx) { - target = &ndev->targets[i]; + if (ndev->targets[i].idx == target->idx) { + nci_target = &ndev->targets[i]; break; } } - if (!target) { + if (!nci_target) { pr_err("unable to find the selected target\n"); return -EINVAL; } - if (!(target->supported_protocols & (1 << protocol))) { + if (!(nci_target->supported_protocols & (1 << protocol))) { pr_err("target does not support the requested protocol 0x%x\n", protocol); return -EINVAL; } if (atomic_read(&ndev->state) == NCI_W4_HOST_SELECT) { - param.rf_discovery_id = target->idx; + param.rf_discovery_id = nci_target->logical_idx; if (protocol == NFC_PROTO_JEWEL) param.rf_protocol = NCI_RF_PROTOCOL_T1T; @@ -485,7 +487,8 @@ static int nci_activate_target(struct nfc_dev *nfc_dev, __u32 target_idx, param.rf_protocol = NCI_RF_PROTOCOL_T2T; else if (protocol == NFC_PROTO_FELICA) param.rf_protocol = NCI_RF_PROTOCOL_T3T; - else if (protocol == NFC_PROTO_ISO14443) + else if (protocol == NFC_PROTO_ISO14443 || + protocol == NFC_PROTO_ISO14443_B) param.rf_protocol = NCI_RF_PROTOCOL_ISO_DEP; else param.rf_protocol = NCI_RF_PROTOCOL_NFC_DEP; @@ -501,11 +504,12 @@ static int nci_activate_target(struct nfc_dev *nfc_dev, __u32 target_idx, return rc; } -static void nci_deactivate_target(struct nfc_dev *nfc_dev, __u32 target_idx) +static void nci_deactivate_target(struct nfc_dev *nfc_dev, + struct nfc_target *target) { struct nci_dev *ndev = nfc_get_drvdata(nfc_dev); - pr_debug("target_idx %d\n", target_idx); + pr_debug("target_idx %d\n", target->idx); if (!ndev->target_active_prot) { pr_err("unable to deactivate target, no active target\n"); @@ -520,14 +524,14 @@ static void nci_deactivate_target(struct nfc_dev *nfc_dev, __u32 target_idx) } } -static int nci_data_exchange(struct nfc_dev *nfc_dev, __u32 target_idx, - struct sk_buff *skb, - data_exchange_cb_t cb, void *cb_context) +static int nci_transceive(struct nfc_dev *nfc_dev, struct nfc_target *target, + struct sk_buff *skb, + data_exchange_cb_t cb, void *cb_context) { struct nci_dev *ndev = nfc_get_drvdata(nfc_dev); int rc; - pr_debug("target_idx %d, len %d\n", target_idx, skb->len); + pr_debug("target_idx %d, len %d\n", target->idx, skb->len); if (!ndev->target_active_prot) { pr_err("unable to exchange data, no active target\n"); @@ -555,7 +559,7 @@ static struct nfc_ops nci_nfc_ops = { .stop_poll = nci_stop_poll, .activate_target = nci_activate_target, .deactivate_target = nci_deactivate_target, - .data_exchange = nci_data_exchange, + .im_transceive = nci_transceive, }; /* ---- Interface to NCI drivers ---- */ @@ -877,3 +881,5 @@ static void nci_cmd_work(struct work_struct *work) jiffies + msecs_to_jiffies(NCI_CMD_TIMEOUT)); } } + +MODULE_LICENSE("GPL"); diff --git a/net/nfc/nci/data.c b/net/nfc/nci/data.c index a0bc326308a5..76c48c5324f8 100644 --- a/net/nfc/nci/data.c +++ b/net/nfc/nci/data.c @@ -49,7 +49,7 @@ void nci_data_exchange_complete(struct nci_dev *ndev, struct sk_buff *skb, if (cb) { ndev->data_exchange_cb = NULL; - ndev->data_exchange_cb_context = 0; + ndev->data_exchange_cb_context = NULL; /* forward skb to nfc core */ cb(cb_context, skb, err); @@ -200,10 +200,10 @@ static void nci_add_rx_data_frag(struct nci_dev *ndev, pr_err("error adding room for accumulated rx data\n"); kfree_skb(skb); - skb = 0; + skb = NULL; kfree_skb(ndev->rx_data_reassembly); - ndev->rx_data_reassembly = 0; + ndev->rx_data_reassembly = NULL; err = -ENOMEM; goto exit; @@ -216,7 +216,7 @@ static void nci_add_rx_data_frag(struct nci_dev *ndev, /* third, free old reassembly */ kfree_skb(ndev->rx_data_reassembly); - ndev->rx_data_reassembly = 0; + ndev->rx_data_reassembly = NULL; } if (pbf == NCI_PBF_CONT) { diff --git a/net/nfc/nci/lib.c b/net/nfc/nci/lib.c index 6a63e5eb483d..6b7fd26c68d9 100644 --- a/net/nfc/nci/lib.c +++ b/net/nfc/nci/lib.c @@ -31,6 +31,7 @@ #include <linux/errno.h> #include <net/nfc/nci.h> +#include <net/nfc/nci_core.h> /* NCI status codes to Unix errno mapping */ int nci_to_errno(__u8 code) diff --git a/net/nfc/nci/ntf.c b/net/nfc/nci/ntf.c index 2e3dee42196d..af7a93b04393 100644 --- a/net/nfc/nci/ntf.c +++ b/net/nfc/nci/ntf.c @@ -106,7 +106,7 @@ static __u8 *nci_extract_rf_params_nfca_passive_poll(struct nci_dev *ndev, nfca_poll->sens_res = __le16_to_cpu(*((__u16 *)data)); data += 2; - nfca_poll->nfcid1_len = *data++; + nfca_poll->nfcid1_len = min_t(__u8, *data++, NFC_NFCID1_MAXSIZE); pr_debug("sens_res 0x%x, nfcid1_len %d\n", nfca_poll->sens_res, nfca_poll->nfcid1_len); @@ -130,7 +130,7 @@ static __u8 *nci_extract_rf_params_nfcb_passive_poll(struct nci_dev *ndev, struct rf_tech_specific_params_nfcb_poll *nfcb_poll, __u8 *data) { - nfcb_poll->sensb_res_len = *data++; + nfcb_poll->sensb_res_len = min_t(__u8, *data++, NFC_SENSB_RES_MAXSIZE); pr_debug("sensb_res_len %d\n", nfcb_poll->sensb_res_len); @@ -145,7 +145,7 @@ static __u8 *nci_extract_rf_params_nfcf_passive_poll(struct nci_dev *ndev, __u8 *data) { nfcf_poll->bit_rate = *data++; - nfcf_poll->sensf_res_len = *data++; + nfcf_poll->sensf_res_len = min_t(__u8, *data++, NFC_SENSF_RES_MAXSIZE); pr_debug("bit_rate %d, sensf_res_len %d\n", nfcf_poll->bit_rate, nfcf_poll->sensf_res_len); @@ -170,7 +170,10 @@ static int nci_add_new_protocol(struct nci_dev *ndev, if (rf_protocol == NCI_RF_PROTOCOL_T2T) protocol = NFC_PROTO_MIFARE_MASK; else if (rf_protocol == NCI_RF_PROTOCOL_ISO_DEP) - protocol = NFC_PROTO_ISO14443_MASK; + if (rf_tech_and_mode == NCI_NFC_A_PASSIVE_POLL_MODE) + protocol = NFC_PROTO_ISO14443_MASK; + else + protocol = NFC_PROTO_ISO14443_B_MASK; else if (rf_protocol == NCI_RF_PROTOCOL_T3T) protocol = NFC_PROTO_FELICA_MASK; else @@ -227,7 +230,7 @@ static void nci_add_new_target(struct nci_dev *ndev, for (i = 0; i < ndev->n_targets; i++) { target = &ndev->targets[i]; - if (target->idx == ntf->rf_discovery_id) { + if (target->logical_idx == ntf->rf_discovery_id) { /* This target already exists, add the new protocol */ nci_add_new_protocol(ndev, target, ntf->rf_protocol, ntf->rf_tech_and_mode, @@ -248,10 +251,10 @@ static void nci_add_new_target(struct nci_dev *ndev, ntf->rf_tech_and_mode, &ntf->rf_tech_specific_params); if (!rc) { - target->idx = ntf->rf_discovery_id; + target->logical_idx = ntf->rf_discovery_id; ndev->n_targets++; - pr_debug("target_idx %d, n_targets %d\n", target->idx, + pr_debug("logical idx %d, n_targets %d\n", target->logical_idx, ndev->n_targets); } } @@ -331,7 +334,7 @@ static int nci_extract_activation_params_iso_dep(struct nci_dev *ndev, 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++; + nfca_poll->rats_res_len = min_t(__u8, *data++, 20); pr_debug("rats_res_len %d\n", nfca_poll->rats_res_len); if (nfca_poll->rats_res_len > 0) { memcpy(nfca_poll->rats_res, @@ -341,7 +344,7 @@ static int nci_extract_activation_params_iso_dep(struct nci_dev *ndev, case NCI_NFC_B_PASSIVE_POLL_MODE: nfcb_poll = &ntf->activation_params.nfcb_poll_iso_dep; - nfcb_poll->attrib_res_len = *data++; + nfcb_poll->attrib_res_len = min_t(__u8, *data++, 50); pr_debug("attrib_res_len %d\n", nfcb_poll->attrib_res_len); if (nfcb_poll->attrib_res_len > 0) { memcpy(nfcb_poll->attrib_res, @@ -372,10 +375,11 @@ static void nci_target_auto_activated(struct nci_dev *ndev, if (rc) return; - target->idx = ntf->rf_discovery_id; + target->logical_idx = ntf->rf_discovery_id; ndev->n_targets++; - pr_debug("target_idx %d, n_targets %d\n", target->idx, ndev->n_targets); + pr_debug("logical idx %d, n_targets %d\n", + target->logical_idx, ndev->n_targets); nfc_targets_found(ndev->nfc_dev, ndev->targets, ndev->n_targets); } @@ -496,7 +500,7 @@ static void nci_rf_deactivate_ntf_packet(struct nci_dev *ndev, /* drop partial rx data packet */ if (ndev->rx_data_reassembly) { kfree_skb(ndev->rx_data_reassembly); - ndev->rx_data_reassembly = 0; + ndev->rx_data_reassembly = NULL; } /* complete the data exchange transaction, if exists */ |