diff options
| -rw-r--r-- | include/uapi/linux/nfc.h | 7 | ||||
| -rw-r--r-- | net/nfc/llcp/sock.c | 23 |
2 files changed, 27 insertions, 3 deletions
diff --git a/include/uapi/linux/nfc.h b/include/uapi/linux/nfc.h index 7440bc81a04b..7c6f627a717d 100644 --- a/include/uapi/linux/nfc.h +++ b/include/uapi/linux/nfc.h @@ -233,7 +233,10 @@ struct sockaddr_nfc_llcp { #define NFC_LLCP_DIRECTION_TX 0x01 /* socket option names */ -#define NFC_LLCP_RW 0 -#define NFC_LLCP_MIUX 1 +#define NFC_LLCP_RW 0 +#define NFC_LLCP_MIUX 1 +#define NFC_LLCP_REMOTE_MIU 2 +#define NFC_LLCP_REMOTE_LTO 3 +#define NFC_LLCP_REMOTE_RW 4 #endif /*__LINUX_NFC_H */ diff --git a/net/nfc/llcp/sock.c b/net/nfc/llcp/sock.c index 641c535be3d4..fd01ac6e0bf4 100644 --- a/net/nfc/llcp/sock.c +++ b/net/nfc/llcp/sock.c @@ -303,7 +303,7 @@ static int nfc_llcp_getsockopt(struct socket *sock, int level, int optname, struct sock *sk = sock->sk; struct nfc_llcp_sock *llcp_sock = nfc_llcp_sock(sk); int len, err = 0; - u16 miux; + u16 miux, remote_miu; u8 rw; pr_debug("%p optname %d\n", sk, optname); @@ -339,6 +339,27 @@ static int nfc_llcp_getsockopt(struct socket *sock, int level, int optname, break; + case NFC_LLCP_REMOTE_MIU: + remote_miu = llcp_sock->remote_miu > LLCP_MAX_MIU ? + local->remote_miu : llcp_sock->remote_miu; + + if (put_user(remote_miu, (u32 __user *) optval)) + err = -EFAULT; + + break; + + case NFC_LLCP_REMOTE_LTO: + if (put_user(local->remote_lto / 10, (u32 __user *) optval)) + err = -EFAULT; + + break; + + case NFC_LLCP_REMOTE_RW: + if (put_user(llcp_sock->remote_rw, (u32 __user *) optval)) + err = -EFAULT; + + break; + default: err = -ENOPROTOOPT; break; |