summaryrefslogtreecommitdiff
path: root/net/nfc/nci/ntf.c
diff options
context:
space:
mode:
Diffstat (limited to 'net/nfc/nci/ntf.c')
-rw-r--r--net/nfc/nci/ntf.c83
1 files changed, 45 insertions, 38 deletions
diff --git a/net/nfc/nci/ntf.c b/net/nfc/nci/ntf.c
index 98af04c86b2c..d6251363b72b 100644
--- a/net/nfc/nci/ntf.c
+++ b/net/nfc/nci/ntf.c
@@ -28,10 +28,10 @@
/* Handle NCI Notification packets */
static void nci_core_reset_ntf_packet(struct nci_dev *ndev,
- struct sk_buff *skb)
+ const struct sk_buff *skb)
{
/* Handle NCI 2.x core reset notification */
- struct nci_core_reset_ntf *ntf = (void *)skb->data;
+ const struct nci_core_reset_ntf *ntf = (void *)skb->data;
ndev->nci_ver = ntf->nci_ver;
pr_debug("nci_ver 0x%x, config_status 0x%x\n",
@@ -80,7 +80,7 @@ static void nci_core_conn_credits_ntf_packet(struct nci_dev *ndev,
}
static void nci_core_generic_error_ntf_packet(struct nci_dev *ndev,
- struct sk_buff *skb)
+ const struct sk_buff *skb)
{
__u8 status = skb->data[0];
@@ -107,9 +107,10 @@ static void nci_core_conn_intf_error_ntf_packet(struct nci_dev *ndev,
nci_data_exchange_complete(ndev, NULL, ntf->conn_id, -EIO);
}
-static __u8 *nci_extract_rf_params_nfca_passive_poll(struct nci_dev *ndev,
- struct rf_tech_specific_params_nfca_poll *nfca_poll,
- __u8 *data)
+static const __u8 *
+nci_extract_rf_params_nfca_passive_poll(struct nci_dev *ndev,
+ struct rf_tech_specific_params_nfca_poll *nfca_poll,
+ const __u8 *data)
{
nfca_poll->sens_res = __le16_to_cpu(*((__le16 *)data));
data += 2;
@@ -134,9 +135,10 @@ static __u8 *nci_extract_rf_params_nfca_passive_poll(struct nci_dev *ndev,
return data;
}
-static __u8 *nci_extract_rf_params_nfcb_passive_poll(struct nci_dev *ndev,
- struct rf_tech_specific_params_nfcb_poll *nfcb_poll,
- __u8 *data)
+static const __u8 *
+nci_extract_rf_params_nfcb_passive_poll(struct nci_dev *ndev,
+ struct rf_tech_specific_params_nfcb_poll *nfcb_poll,
+ const __u8 *data)
{
nfcb_poll->sensb_res_len = min_t(__u8, *data++, NFC_SENSB_RES_MAXSIZE);
@@ -148,9 +150,10 @@ static __u8 *nci_extract_rf_params_nfcb_passive_poll(struct nci_dev *ndev,
return data;
}
-static __u8 *nci_extract_rf_params_nfcf_passive_poll(struct nci_dev *ndev,
- struct rf_tech_specific_params_nfcf_poll *nfcf_poll,
- __u8 *data)
+static const __u8 *
+nci_extract_rf_params_nfcf_passive_poll(struct nci_dev *ndev,
+ struct rf_tech_specific_params_nfcf_poll *nfcf_poll,
+ const __u8 *data)
{
nfcf_poll->bit_rate = *data++;
nfcf_poll->sensf_res_len = min_t(__u8, *data++, NFC_SENSF_RES_MAXSIZE);
@@ -164,9 +167,10 @@ static __u8 *nci_extract_rf_params_nfcf_passive_poll(struct nci_dev *ndev,
return data;
}
-static __u8 *nci_extract_rf_params_nfcv_passive_poll(struct nci_dev *ndev,
- struct rf_tech_specific_params_nfcv_poll *nfcv_poll,
- __u8 *data)
+static const __u8 *
+nci_extract_rf_params_nfcv_passive_poll(struct nci_dev *ndev,
+ struct rf_tech_specific_params_nfcv_poll *nfcv_poll,
+ const __u8 *data)
{
++data;
nfcv_poll->dsfid = *data++;
@@ -175,9 +179,10 @@ static __u8 *nci_extract_rf_params_nfcv_passive_poll(struct nci_dev *ndev,
return data;
}
-static __u8 *nci_extract_rf_params_nfcf_passive_listen(struct nci_dev *ndev,
- struct rf_tech_specific_params_nfcf_listen *nfcf_listen,
- __u8 *data)
+static const __u8 *
+nci_extract_rf_params_nfcf_passive_listen(struct nci_dev *ndev,
+ struct rf_tech_specific_params_nfcf_listen *nfcf_listen,
+ const __u8 *data)
{
nfcf_listen->local_nfcid2_len = min_t(__u8, *data++,
NFC_NFCID2_MAXSIZE);
@@ -198,12 +203,12 @@ static int nci_add_new_protocol(struct nci_dev *ndev,
struct nfc_target *target,
__u8 rf_protocol,
__u8 rf_tech_and_mode,
- void *params)
+ const void *params)
{
- struct rf_tech_specific_params_nfca_poll *nfca_poll;
- struct rf_tech_specific_params_nfcb_poll *nfcb_poll;
- struct rf_tech_specific_params_nfcf_poll *nfcf_poll;
- struct rf_tech_specific_params_nfcv_poll *nfcv_poll;
+ const struct rf_tech_specific_params_nfca_poll *nfca_poll;
+ const struct rf_tech_specific_params_nfcb_poll *nfcb_poll;
+ const struct rf_tech_specific_params_nfcf_poll *nfcf_poll;
+ const struct rf_tech_specific_params_nfcv_poll *nfcv_poll;
__u32 protocol;
if (rf_protocol == NCI_RF_PROTOCOL_T1T)
@@ -274,7 +279,7 @@ static int nci_add_new_protocol(struct nci_dev *ndev,
}
static void nci_add_new_target(struct nci_dev *ndev,
- struct nci_rf_discover_ntf *ntf)
+ const struct nci_rf_discover_ntf *ntf)
{
struct nfc_target *target;
int i, rc;
@@ -319,10 +324,10 @@ void nci_clear_target_list(struct nci_dev *ndev)
}
static void nci_rf_discover_ntf_packet(struct nci_dev *ndev,
- struct sk_buff *skb)
+ const struct sk_buff *skb)
{
struct nci_rf_discover_ntf ntf;
- __u8 *data = skb->data;
+ const __u8 *data = skb->data;
bool add_target = true;
ntf.rf_discovery_id = *data++;
@@ -382,7 +387,8 @@ static void nci_rf_discover_ntf_packet(struct nci_dev *ndev,
}
static int nci_extract_activation_params_iso_dep(struct nci_dev *ndev,
- struct nci_rf_intf_activated_ntf *ntf, __u8 *data)
+ struct nci_rf_intf_activated_ntf *ntf,
+ const __u8 *data)
{
struct activation_params_nfca_poll_iso_dep *nfca_poll;
struct activation_params_nfcb_poll_iso_dep *nfcb_poll;
@@ -418,7 +424,8 @@ static int nci_extract_activation_params_iso_dep(struct nci_dev *ndev,
}
static int nci_extract_activation_params_nfc_dep(struct nci_dev *ndev,
- struct nci_rf_intf_activated_ntf *ntf, __u8 *data)
+ struct nci_rf_intf_activated_ntf *ntf,
+ const __u8 *data)
{
struct activation_params_poll_nfc_dep *poll;
struct activation_params_listen_nfc_dep *listen;
@@ -454,7 +461,7 @@ static int nci_extract_activation_params_nfc_dep(struct nci_dev *ndev,
}
static void nci_target_auto_activated(struct nci_dev *ndev,
- struct nci_rf_intf_activated_ntf *ntf)
+ const struct nci_rf_intf_activated_ntf *ntf)
{
struct nfc_target *target;
int rc;
@@ -477,7 +484,7 @@ static void nci_target_auto_activated(struct nci_dev *ndev,
}
static int nci_store_general_bytes_nfc_dep(struct nci_dev *ndev,
- struct nci_rf_intf_activated_ntf *ntf)
+ const struct nci_rf_intf_activated_ntf *ntf)
{
ndev->remote_gb_len = 0;
@@ -519,11 +526,11 @@ static int nci_store_general_bytes_nfc_dep(struct nci_dev *ndev,
}
static void nci_rf_intf_activated_ntf_packet(struct nci_dev *ndev,
- struct sk_buff *skb)
+ const struct sk_buff *skb)
{
struct nci_conn_info *conn_info;
struct nci_rf_intf_activated_ntf ntf;
- __u8 *data = skb->data;
+ const __u8 *data = skb->data;
int err = NCI_STATUS_OK;
ntf.rf_discovery_id = *data++;
@@ -681,10 +688,10 @@ listen:
}
static void nci_rf_deactivate_ntf_packet(struct nci_dev *ndev,
- struct sk_buff *skb)
+ const struct sk_buff *skb)
{
- struct nci_conn_info *conn_info;
- struct nci_rf_deactivate_ntf *ntf = (void *) skb->data;
+ const struct nci_conn_info *conn_info;
+ const struct nci_rf_deactivate_ntf *ntf = (void *)skb->data;
pr_debug("entry, type 0x%x, reason 0x%x\n", ntf->type, ntf->reason);
@@ -725,10 +732,10 @@ static void nci_rf_deactivate_ntf_packet(struct nci_dev *ndev,
}
static void nci_nfcee_discover_ntf_packet(struct nci_dev *ndev,
- struct sk_buff *skb)
+ const struct sk_buff *skb)
{
u8 status = NCI_STATUS_OK;
- struct nci_nfcee_discover_ntf *nfcee_ntf =
+ const struct nci_nfcee_discover_ntf *nfcee_ntf =
(struct nci_nfcee_discover_ntf *)skb->data;
pr_debug("\n");
@@ -745,7 +752,7 @@ static void nci_nfcee_discover_ntf_packet(struct nci_dev *ndev,
}
static void nci_nfcee_action_ntf_packet(struct nci_dev *ndev,
- struct sk_buff *skb)
+ const struct sk_buff *skb)
{
pr_debug("\n");
}
generated by cgit v1.2.3-58-ga151 (git 2.39.0) at 2024-12-14 16:52:31 +0000