Contributors: 8
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Breno Leitão |
365 |
83.72% |
3 |
20.00% |
| Jens Axboe |
34 |
7.80% |
4 |
26.67% |
| Pavel Begunkov |
16 |
3.67% |
3 |
20.00% |
| Sridhar Samudrala |
9 |
2.06% |
1 |
6.67% |
| Mimi Zohar |
8 |
1.83% |
1 |
6.67% |
| Linus Torvalds (pre-git) |
2 |
0.46% |
1 |
6.67% |
| James Morris |
1 |
0.23% |
1 |
6.67% |
| Arnaldo Carvalho de Melo |
1 |
0.23% |
1 |
6.67% |
| Total |
436 |
|
15 |
|
#include <asm/ioctls.h>
#include <linux/io_uring/net.h>
#include <net/sock.h>
#include "uring_cmd.h"
static inline int io_uring_cmd_getsockopt(struct socket *sock,
struct io_uring_cmd *cmd,
unsigned int issue_flags)
{
const struct io_uring_sqe *sqe = cmd->sqe;
bool compat = !!(issue_flags & IO_URING_F_COMPAT);
int optlen, optname, level, err;
void __user *optval;
level = READ_ONCE(sqe->level);
if (level != SOL_SOCKET)
return -EOPNOTSUPP;
optval = u64_to_user_ptr(READ_ONCE(sqe->optval));
optname = READ_ONCE(sqe->optname);
optlen = READ_ONCE(sqe->optlen);
err = do_sock_getsockopt(sock, compat, level, optname,
USER_SOCKPTR(optval),
KERNEL_SOCKPTR(&optlen));
if (err)
return err;
/* On success, return optlen */
return optlen;
}
static inline int io_uring_cmd_setsockopt(struct socket *sock,
struct io_uring_cmd *cmd,
unsigned int issue_flags)
{
const struct io_uring_sqe *sqe = cmd->sqe;
bool compat = !!(issue_flags & IO_URING_F_COMPAT);
int optname, optlen, level;
void __user *optval;
sockptr_t optval_s;
optval = u64_to_user_ptr(READ_ONCE(sqe->optval));
optname = READ_ONCE(sqe->optname);
optlen = READ_ONCE(sqe->optlen);
level = READ_ONCE(sqe->level);
optval_s = USER_SOCKPTR(optval);
return do_sock_setsockopt(sock, compat, level, optname, optval_s,
optlen);
}
int io_uring_cmd_sock(struct io_uring_cmd *cmd, unsigned int issue_flags)
{
struct socket *sock = cmd->file->private_data;
struct sock *sk = sock->sk;
struct proto *prot = READ_ONCE(sk->sk_prot);
int ret, arg = 0;
if (!prot || !prot->ioctl)
return -EOPNOTSUPP;
switch (cmd->cmd_op) {
case SOCKET_URING_OP_SIOCINQ:
ret = prot->ioctl(sk, SIOCINQ, &arg);
if (ret)
return ret;
return arg;
case SOCKET_URING_OP_SIOCOUTQ:
ret = prot->ioctl(sk, SIOCOUTQ, &arg);
if (ret)
return ret;
return arg;
case SOCKET_URING_OP_GETSOCKOPT:
return io_uring_cmd_getsockopt(sock, cmd, issue_flags);
case SOCKET_URING_OP_SETSOCKOPT:
return io_uring_cmd_setsockopt(sock, cmd, issue_flags);
default:
return -EOPNOTSUPP;
}
}
EXPORT_SYMBOL_GPL(io_uring_cmd_sock);