#include <net/nfc/nci_core.h>
#include "st-nci.h"
-#include "se.h"
struct st_nci_pipe_info {
u8 pipe_state;
#define ST_NCI_ESE_HOST_ID 0xc0
/* Gates */
-#define ST_NCI_DEVICE_MGNT_GATE 0x01
#define ST_NCI_APDU_READER_GATE 0xf0
#define ST_NCI_CONNECTIVITY_GATE 0x41
#define ST_NCI_EVT_SE_HARD_RESET 0x20
#define ST_NCI_EVT_TRANSMIT_DATA 0x10
-#define ST_NCI_EVT_WTX_REQUEST 0x11
+#define ST_NCI_EVT_WTX_REQUEST 0x11
#define ST_NCI_EVT_SE_SOFT_RESET 0x11
#define ST_NCI_EVT_SE_END_OF_APDU_TRANSFER 0x21
#define ST_NCI_EVT_HOT_PLUG 0x03
{ST_NCI_DEVICE_MGNT_GATE, ST_NCI_DEVICE_MGNT_PIPE,
ST_NCI_HOST_CONTROLLER_ID},
+ {NCI_HCI_IDENTITY_MGMT_GATE, NCI_HCI_INVALID_PIPE,
+ ST_NCI_HOST_CONTROLLER_ID},
+ {NCI_HCI_LOOPBACK_GATE, NCI_HCI_INVALID_PIPE,
+ ST_NCI_HOST_CONTROLLER_ID},
+
/* Secure element pipes are created by secure element host */
{ST_NCI_CONNECTIVITY_GATE, NCI_HCI_DO_NOT_OPEN_PIPE,
ST_NCI_HOST_CONTROLLER_ID},
continue;
}
- for (j = 0; (j < ARRAY_SIZE(st_nci_gates)) &&
+ for (j = 3; (j < ARRAY_SIZE(st_nci_gates)) &&
(st_nci_gates[j].gate != dm_pipe_info->dst_gate_id); j++)
;
if (j < ARRAY_SIZE(st_nci_gates) &&
st_nci_gates[j].gate == dm_pipe_info->dst_gate_id &&
ST_NCI_DM_IS_PIPE_OPEN(dm_pipe_info->pipe_state)) {
- st_nci_gates[j].pipe = pipe_info[2];
+ ndev->hci_dev->init_data.gates[j].pipe = pipe_info[2];
ndev->hci_dev->gate2pipe[st_nci_gates[j].gate] =
- st_nci_gates[j].pipe;
- ndev->hci_dev->pipes[st_nci_gates[j].pipe].gate =
+ pipe_info[2];
+ ndev->hci_dev->pipes[pipe_info[2]].gate =
st_nci_gates[j].gate;
- ndev->hci_dev->pipes[st_nci_gates[j].pipe].host =
+ ndev->hci_dev->pipes[pipe_info[2]].host =
dm_pipe_info->src_host_id;
}
kfree_skb(skb_pipe_info);
}
- memcpy(ndev->hci_dev->init_data.gates, st_nci_gates,
- sizeof(st_nci_gates));
+ /*
+ * 3 gates have a well known pipe ID. Only NCI_HCI_LINK_MGMT_GATE
+ * is not yet open at this stage.
+ */
+ r = nci_hci_connect_gate(ndev, ST_NCI_HOST_CONTROLLER_ID,
+ NCI_HCI_LINK_MGMT_GATE,
+ NCI_HCI_LINK_MGMT_PIPE);
kfree_skb(skb_pipe_list);
return r;
}
}
break;
+ default:
+ nfc_err(&ndev->nfc_dev->dev, "Unexpected event on admin gate\n");
}
}
mod_timer(&info->se_info.bwi_timer, jiffies +
msecs_to_jiffies(info->se_info.wt_timeout));
break;
+ default:
+ nfc_err(&ndev->nfc_dev->dev, "Unexpected event on apdu reader gate\n");
+ return 1;
}
kfree_skb(skb);
r = nfc_se_transaction(ndev->nfc_dev, host, transaction);
break;
default:
+ nfc_err(&ndev->nfc_dev->dev, "Unexpected event on connectivity gate\n");
return 1;
}
kfree_skb(skb);
st_nci_hci_apdu_reader_event_received(ndev, event, skb);
break;
case ST_NCI_CONNECTIVITY_GATE:
- st_nci_hci_connectivity_event_received(ndev, host, event,
- skb);
+ st_nci_hci_connectivity_event_received(ndev, host, event, skb);
+ break;
+ case NCI_HCI_LOOPBACK_GATE:
+ st_nci_hci_loopback_event_received(ndev, event, skb);
break;
}
}
}
EXPORT_SYMBOL_GPL(st_nci_hci_cmd_received);
-/*
- * Remarks: On some early st_nci firmware, nci_nfcee_mode_set(0)
- * is rejected
- */
static int st_nci_control_se(struct nci_dev *ndev, u8 se_idx,
- u8 state)
+ u8 state)
{
struct st_nci_info *info = nci_get_drvdata(ndev);
- int r;
+ int r, i;
struct sk_buff *sk_host_list;
u8 host_id;
* retrieve a relevant host list.
*/
reinit_completion(&info->se_info.req_completion);
- r = nci_nfcee_mode_set(ndev, se_idx, NCI_NFCEE_ENABLE);
+ r = nci_nfcee_mode_set(ndev, se_idx, state);
if (r != NCI_STATUS_OK)
return r;
* There is no possible synchronization to prevent this.
* Adding a small delay is the only way to solve the issue.
*/
- usleep_range(3000, 5000);
+ if (info->se_info.se_status->is_ese_present &&
+ info->se_info.se_status->is_uicc_present)
+ usleep_range(15000, 20000);
r = nci_hci_get_param(ndev, NCI_HCI_ADMIN_GATE,
NCI_HCI_ADMIN_PARAM_HOST_LIST, &sk_host_list);
if (r != NCI_HCI_ANY_OK)
return r;
- host_id = sk_host_list->data[sk_host_list->len - 1];
+ for (i = 0; i < sk_host_list->len &&
+ sk_host_list->data[i] != se_idx; i++)
+ ;
+ host_id = sk_host_list->data[i];
kfree_skb(sk_host_list);
if (state == ST_NCI_SE_MODE_ON && host_id == se_idx)
return se_idx;
pr_debug("st_nci_disable_se\n");
- if (se_idx == NFC_SE_EMBEDDED) {
- r = nci_hci_send_event(ndev, ST_NCI_APDU_READER_GATE,
- ST_NCI_EVT_SE_END_OF_APDU_TRANSFER, NULL, 0);
- if (r < 0)
- return r;
+ /*
+ * According to upper layer, se_idx == NFC_SE_UICC when
+ * info->se_info.se_status->is_uicc_enable is true should never happen
+ * Same for eSE.
+ */
+ r = st_nci_control_se(ndev, se_idx, ST_NCI_SE_MODE_OFF);
+ if (r < 0) {
+ /* Do best effort to release SWP */
+ if (se_idx == NFC_SE_EMBEDDED) {
+ r = nci_hci_send_event(ndev, ST_NCI_APDU_READER_GATE,
+ ST_NCI_EVT_SE_END_OF_APDU_TRANSFER,
+ NULL, 0);
+ }
+ return r;
}
return 0;
pr_debug("st_nci_enable_se\n");
- if (se_idx == ST_NCI_HCI_HOST_ID_ESE) {
+ /*
+ * According to upper layer, se_idx == NFC_SE_UICC when
+ * info->se_info.se_status->is_uicc_enable is true should never happen.
+ * Same for eSE.
+ */
+ r = st_nci_control_se(ndev, se_idx, ST_NCI_SE_MODE_ON);
+ if (r == ST_NCI_HCI_HOST_ID_ESE) {
+ st_nci_se_get_atr(ndev);
r = nci_hci_send_event(ndev, ST_NCI_APDU_READER_GATE,
ST_NCI_EVT_SE_SOFT_RESET, NULL, 0);
- if (r < 0)
- return r;
+ }
+
+ if (r < 0) {
+ /*
+ * The activation procedure failed, the secure element
+ * is not connected. Remove from the list.
+ */
+ nfc_remove_se(ndev->nfc_dev, se_idx);
+ return r;
}
return 0;
static int st_nci_hci_network_init(struct nci_dev *ndev)
{
+ struct st_nci_info *info = nci_get_drvdata(ndev);
struct core_conn_create_dest_spec_params *dest_params;
struct dest_spec_params spec_params;
struct nci_conn_info *conn_info;
if (!conn_info)
goto free_dest_params;
+ ndev->hci_dev->init_data.gate_count = ARRAY_SIZE(st_nci_gates);
memcpy(ndev->hci_dev->init_data.gates, st_nci_gates,
sizeof(st_nci_gates));
if (r != NCI_HCI_ANY_OK)
goto free_dest_params;
- r = nci_nfcee_mode_set(ndev, ndev->hci_dev->conn_info->id,
- NCI_NFCEE_ENABLE);
- if (r != NCI_STATUS_OK)
- goto free_dest_params;
+ /*
+ * In factory mode, we prevent secure elements activation
+ * by disabling nfcee on the current HCI connection id.
+ * HCI will be used here only for proprietary commands.
+ */
+ if (test_bit(ST_NCI_FACTORY_MODE, &info->flags))
+ r = nci_nfcee_mode_set(ndev, ndev->hci_dev->conn_info->id,
+ NCI_NFCEE_DISABLE);
+ else
+ r = nci_nfcee_mode_set(ndev, ndev->hci_dev->conn_info->id,
+ NCI_NFCEE_ENABLE);
free_dest_params:
kfree(dest_params);
int st_nci_discover_se(struct nci_dev *ndev)
{
- u8 param[2];
- int r;
+ u8 white_list[2];
+ int r, wl_size = 0;
int se_count = 0;
+ struct st_nci_info *info = nci_get_drvdata(ndev);
pr_debug("st_nci_discover_se\n");
if (r != 0)
return r;
- param[0] = ST_NCI_UICC_HOST_ID;
- param[1] = ST_NCI_HCI_HOST_ID_ESE;
- r = nci_hci_set_param(ndev, NCI_HCI_ADMIN_GATE,
- NCI_HCI_ADMIN_PARAM_WHITELIST,
- param, sizeof(param));
- if (r != NCI_HCI_ANY_OK)
- return r;
+ if (test_bit(ST_NCI_FACTORY_MODE, &info->flags))
+ return 0;
+
+ if (info->se_info.se_status->is_ese_present &&
+ info->se_info.se_status->is_uicc_present) {
+ white_list[wl_size++] = ST_NCI_UICC_HOST_ID;
+ white_list[wl_size++] = ST_NCI_ESE_HOST_ID;
+ } else if (!info->se_info.se_status->is_ese_present &&
+ info->se_info.se_status->is_uicc_present) {
+ white_list[wl_size++] = ST_NCI_UICC_HOST_ID;
+ } else if (info->se_info.se_status->is_ese_present &&
+ !info->se_info.se_status->is_uicc_present) {
+ white_list[wl_size++] = ST_NCI_ESE_HOST_ID;
+ }
- r = st_nci_control_se(ndev, ST_NCI_UICC_HOST_ID,
- ST_NCI_SE_MODE_ON);
- if (r == ST_NCI_UICC_HOST_ID) {
+ if (wl_size) {
+ r = nci_hci_set_param(ndev, NCI_HCI_ADMIN_GATE,
+ NCI_HCI_ADMIN_PARAM_WHITELIST,
+ white_list, wl_size);
+ if (r != NCI_HCI_ANY_OK)
+ return r;
+ }
+
+ if (info->se_info.se_status->is_uicc_present) {
nfc_add_se(ndev->nfc_dev, ST_NCI_UICC_HOST_ID, NFC_SE_UICC);
se_count++;
}
- /* Try to enable eSE in order to check availability */
- r = st_nci_control_se(ndev, ST_NCI_HCI_HOST_ID_ESE,
- ST_NCI_SE_MODE_ON);
- if (r == ST_NCI_HCI_HOST_ID_ESE) {
- nfc_add_se(ndev->nfc_dev, ST_NCI_HCI_HOST_ID_ESE,
- NFC_SE_EMBEDDED);
+ if (info->se_info.se_status->is_ese_present) {
+ nfc_add_se(ndev->nfc_dev, ST_NCI_ESE_HOST_ID, NFC_SE_EMBEDDED);
se_count++;
- st_nci_se_get_atr(ndev);
}
return !se_count;
complete(&info->se_info.req_completion);
}
-int st_nci_se_init(struct nci_dev *ndev)
+int st_nci_se_init(struct nci_dev *ndev, struct st_nci_se_status *se_status)
{
struct st_nci_info *info = nci_get_drvdata(ndev);
info->se_info.wt_timeout =
ST_NCI_BWI_TO_TIMEOUT(ST_NCI_ATR_DEFAULT_BWI);
+ info->se_info.se_status = se_status;
+
return 0;
}
EXPORT_SYMBOL(st_nci_se_init);