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NFC: llcp: Add support in getsockopt for RW, LTO, and MIU remote parameters
Useful for LLCP validation tests. Signed-off-by: Thierry Escande <thierry.escande@linux.intel.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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@ -233,7 +233,10 @@ struct sockaddr_nfc_llcp {
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#define NFC_LLCP_DIRECTION_TX 0x01
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/* socket option names */
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#define NFC_LLCP_RW 0
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#define NFC_LLCP_MIUX 1
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#define NFC_LLCP_RW 0
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#define NFC_LLCP_MIUX 1
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#define NFC_LLCP_REMOTE_MIU 2
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#define NFC_LLCP_REMOTE_LTO 3
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#define NFC_LLCP_REMOTE_RW 4
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#endif /*__LINUX_NFC_H */
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@ -303,7 +303,7 @@ static int nfc_llcp_getsockopt(struct socket *sock, int level, int optname,
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struct sock *sk = sock->sk;
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struct nfc_llcp_sock *llcp_sock = nfc_llcp_sock(sk);
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int len, err = 0;
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u16 miux;
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u16 miux, remote_miu;
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u8 rw;
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pr_debug("%p optname %d\n", sk, optname);
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@ -339,6 +339,27 @@ static int nfc_llcp_getsockopt(struct socket *sock, int level, int optname,
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break;
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case NFC_LLCP_REMOTE_MIU:
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remote_miu = llcp_sock->remote_miu > LLCP_MAX_MIU ?
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local->remote_miu : llcp_sock->remote_miu;
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if (put_user(remote_miu, (u32 __user *) optval))
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err = -EFAULT;
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break;
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case NFC_LLCP_REMOTE_LTO:
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if (put_user(local->remote_lto / 10, (u32 __user *) optval))
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err = -EFAULT;
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break;
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case NFC_LLCP_REMOTE_RW:
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if (put_user(llcp_sock->remote_rw, (u32 __user *) optval))
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err = -EFAULT;
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break;
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default:
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err = -ENOPROTOOPT;
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break;
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