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-rw-r--r--net/nfc/hci/command.c24
-rw-r--r--net/nfc/hci/core.c71
-rw-r--r--net/nfc/hci/llc.c2
-rw-r--r--net/nfc/hci/llc_shdlc.c7
4 files changed, 72 insertions, 32 deletions
diff --git a/net/nfc/hci/command.c b/net/nfc/hci/command.c
index 71c6a7086b8f..07659cfd6d7b 100644
--- a/net/nfc/hci/command.c
+++ b/net/nfc/hci/command.c
@@ -257,16 +257,16 @@ static u8 nfc_hci_create_pipe(struct nfc_hci_dev *hdev, u8 dest_host,
*result = nfc_hci_execute_cmd(hdev, NFC_HCI_ADMIN_PIPE,
NFC_HCI_ADM_CREATE_PIPE,
(u8 *) &params, sizeof(params), &skb);
- if (*result == 0) {
- resp = (struct hci_create_pipe_resp *)skb->data;
- pipe = resp->pipe;
- kfree_skb(skb);
+ if (*result < 0)
+ return NFC_HCI_INVALID_PIPE;
- pr_debug("pipe created=%d\n", pipe);
+ resp = (struct hci_create_pipe_resp *)skb->data;
+ pipe = resp->pipe;
+ kfree_skb(skb);
- return pipe;
- } else
- return NFC_HCI_INVALID_PIPE;
+ pr_debug("pipe created=%d\n", pipe);
+
+ return pipe;
}
static int nfc_hci_delete_pipe(struct nfc_hci_dev *hdev, u8 pipe)
@@ -279,8 +279,6 @@ static int nfc_hci_delete_pipe(struct nfc_hci_dev *hdev, u8 pipe)
static int nfc_hci_clear_all_pipes(struct nfc_hci_dev *hdev)
{
- int r;
-
u8 param[2];
/* TODO: Find out what the identity reference data is
@@ -288,10 +286,8 @@ static int nfc_hci_clear_all_pipes(struct nfc_hci_dev *hdev)
pr_debug("\n");
- r = nfc_hci_execute_cmd(hdev, NFC_HCI_ADMIN_PIPE,
- NFC_HCI_ADM_CLEAR_ALL_PIPE, param, 2, NULL);
-
- return 0;
+ return nfc_hci_execute_cmd(hdev, NFC_HCI_ADMIN_PIPE,
+ NFC_HCI_ADM_CLEAR_ALL_PIPE, param, 2, NULL);
}
int nfc_hci_disconnect_gate(struct nfc_hci_dev *hdev, u8 gate)
diff --git a/net/nfc/hci/core.c b/net/nfc/hci/core.c
index 5fbb6e40793e..bc571b0efb92 100644
--- a/net/nfc/hci/core.c
+++ b/net/nfc/hci/core.c
@@ -65,8 +65,9 @@ static void nfc_hci_msg_tx_work(struct work_struct *work)
-ETIME);
kfree(hdev->cmd_pending_msg);
hdev->cmd_pending_msg = NULL;
- } else
+ } else {
goto exit;
+ }
}
next_msg:
@@ -182,7 +183,7 @@ static u32 nfc_hci_sak_to_protocol(u8 sak)
}
}
-static int nfc_hci_target_discovered(struct nfc_hci_dev *hdev, u8 gate)
+int nfc_hci_target_discovered(struct nfc_hci_dev *hdev, u8 gate)
{
struct nfc_target *targets;
struct sk_buff *atqa_skb = NULL;
@@ -263,7 +264,9 @@ static int nfc_hci_target_discovered(struct nfc_hci_dev *hdev, u8 gate)
break;
}
- targets->hci_reader_gate = gate;
+ /* if driver set the new gate, we will skip the old one */
+ if (targets->hci_reader_gate == 0x00)
+ targets->hci_reader_gate = gate;
r = nfc_targets_found(hdev->ndev, targets, 1);
@@ -275,6 +278,7 @@ exit:
return r;
}
+EXPORT_SYMBOL(nfc_hci_target_discovered);
void nfc_hci_event_received(struct nfc_hci_dev *hdev, u8 pipe, u8 event,
struct sk_buff *skb)
@@ -307,8 +311,13 @@ void nfc_hci_event_received(struct nfc_hci_dev *hdev, u8 pipe, u8 event,
nfc_hci_pipe2gate(hdev, pipe));
break;
default:
- /* TODO: Unknown events are hardware specific
- * pass them to the driver (needs a new hci_ops) */
+ if (hdev->ops->event_received) {
+ hdev->ops->event_received(hdev,
+ nfc_hci_pipe2gate(hdev, pipe),
+ event, skb);
+ return;
+ }
+
break;
}
@@ -527,7 +536,8 @@ static int hci_start_poll(struct nfc_dev *nfc_dev,
return hdev->ops->start_poll(hdev, im_protocols, tm_protocols);
else
return nfc_hci_send_event(hdev, NFC_HCI_RF_READER_A_GATE,
- NFC_HCI_EVT_READER_REQUESTED, NULL, 0);
+ NFC_HCI_EVT_READER_REQUESTED,
+ NULL, 0);
}
static void hci_stop_poll(struct nfc_dev *nfc_dev)
@@ -538,6 +548,28 @@ static void hci_stop_poll(struct nfc_dev *nfc_dev)
NFC_HCI_EVT_END_OPERATION, NULL, 0);
}
+static int hci_dep_link_up(struct nfc_dev *nfc_dev, struct nfc_target *target,
+ __u8 comm_mode, __u8 *gb, size_t gb_len)
+{
+ struct nfc_hci_dev *hdev = nfc_get_drvdata(nfc_dev);
+
+ if (hdev->ops->dep_link_up)
+ return hdev->ops->dep_link_up(hdev, target, comm_mode,
+ gb, gb_len);
+
+ return 0;
+}
+
+static int hci_dep_link_down(struct nfc_dev *nfc_dev)
+{
+ struct nfc_hci_dev *hdev = nfc_get_drvdata(nfc_dev);
+
+ if (hdev->ops->dep_link_down)
+ return hdev->ops->dep_link_down(hdev);
+
+ return 0;
+}
+
static int hci_activate_target(struct nfc_dev *nfc_dev,
struct nfc_target *target, u32 protocol)
{
@@ -586,8 +618,8 @@ static int hci_transceive(struct nfc_dev *nfc_dev, struct nfc_target *target,
switch (target->hci_reader_gate) {
case NFC_HCI_RF_READER_A_GATE:
case NFC_HCI_RF_READER_B_GATE:
- if (hdev->ops->data_exchange) {
- r = hdev->ops->data_exchange(hdev, target, skb, cb,
+ if (hdev->ops->im_transceive) {
+ r = hdev->ops->im_transceive(hdev, target, skb, cb,
cb_context);
if (r <= 0) /* handled */
break;
@@ -604,14 +636,14 @@ static int hci_transceive(struct nfc_dev *nfc_dev, struct nfc_target *target,
skb->len, hci_transceive_cb, hdev);
break;
default:
- if (hdev->ops->data_exchange) {
- r = hdev->ops->data_exchange(hdev, target, skb, cb,
+ if (hdev->ops->im_transceive) {
+ r = hdev->ops->im_transceive(hdev, target, skb, cb,
cb_context);
if (r == 1)
r = -ENOTSUPP;
- }
- else
+ } else {
r = -ENOTSUPP;
+ }
break;
}
@@ -620,6 +652,16 @@ static int hci_transceive(struct nfc_dev *nfc_dev, struct nfc_target *target,
return r;
}
+static int hci_tm_send(struct nfc_dev *nfc_dev, struct sk_buff *skb)
+{
+ struct nfc_hci_dev *hdev = nfc_get_drvdata(nfc_dev);
+
+ if (hdev->ops->tm_send)
+ return hdev->ops->tm_send(hdev, skb);
+ else
+ return -ENOTSUPP;
+}
+
static int hci_check_presence(struct nfc_dev *nfc_dev,
struct nfc_target *target)
{
@@ -723,9 +765,12 @@ static struct nfc_ops hci_nfc_ops = {
.dev_down = hci_dev_down,
.start_poll = hci_start_poll,
.stop_poll = hci_stop_poll,
+ .dep_link_up = hci_dep_link_up,
+ .dep_link_down = hci_dep_link_down,
.activate_target = hci_activate_target,
.deactivate_target = hci_deactivate_target,
.im_transceive = hci_transceive,
+ .tm_send = hci_tm_send,
.check_presence = hci_check_presence,
};
@@ -848,7 +893,7 @@ void nfc_hci_driver_failure(struct nfc_hci_dev *hdev, int err)
}
EXPORT_SYMBOL(nfc_hci_driver_failure);
-void inline nfc_hci_recv_frame(struct nfc_hci_dev *hdev, struct sk_buff *skb)
+void nfc_hci_recv_frame(struct nfc_hci_dev *hdev, struct sk_buff *skb)
{
nfc_llc_rcv_from_drv(hdev->llc, skb);
}
diff --git a/net/nfc/hci/llc.c b/net/nfc/hci/llc.c
index ae1205ded87f..fe5e966e5b88 100644
--- a/net/nfc/hci/llc.c
+++ b/net/nfc/hci/llc.c
@@ -72,7 +72,7 @@ int nfc_llc_register(const char *name, struct nfc_llc_ops *ops)
llc_engine->ops = ops;
INIT_LIST_HEAD(&llc_engine->entry);
- list_add_tail (&llc_engine->entry, &llc_engines);
+ list_add_tail(&llc_engine->entry, &llc_engines);
return 0;
}
diff --git a/net/nfc/hci/llc_shdlc.c b/net/nfc/hci/llc_shdlc.c
index 01cbc72943cd..27b313befc35 100644
--- a/net/nfc/hci/llc_shdlc.c
+++ b/net/nfc/hci/llc_shdlc.c
@@ -634,9 +634,9 @@ static void llc_shdlc_sm_work(struct work_struct *work)
r = llc_shdlc_connect_initiate(shdlc);
else
r = -ETIME;
- if (r < 0)
+ if (r < 0) {
llc_shdlc_connect_complete(shdlc, r);
- else {
+ } else {
mod_timer(&shdlc->connect_timer, jiffies +
msecs_to_jiffies(SHDLC_CONNECT_VALUE_MS));
@@ -682,9 +682,8 @@ static void llc_shdlc_sm_work(struct work_struct *work)
llc_shdlc_handle_send_queue(shdlc);
}
- if (shdlc->hard_fault) {
+ if (shdlc->hard_fault)
shdlc->llc_failure(shdlc->hdev, shdlc->hard_fault);
- }
break;
default:
break;
generated by cgit v1.2.3 (git 2.25.1) at 2025-04-08 16:39:10 +0000