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NFC: llcp: Add support in getsockopt for RW, LTO, and MIU remote parameters

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Useful for LLCP validation tests.

Signed-off-by: Thierry Escande <[email protected]>
Signed-off-by: Samuel Ortiz <[email protected]>
This commit is contained in:
Thierry Escande 2013-04-02 10:25:16 +02:00 • committed by Samuel Ortiz
commit 064f370c5f
2 changed files with 27 additions and 3 deletions
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23
net/nfc/llcp/sock.c
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@ -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;