This is the implementation of uring_cmd for the raw "protocol". It
basically encompasses SOCKET_URING_OP_SIOCOUTQ and
SOCKET_URING_OP_SIOCINQ, which call raw_ioctl with SIOCOUTQ and SIOCINQ.
These two commands (SIOCOUTQ and SIOCINQ), are the only two commands
that are handled by raw_ioctl().
Signed-off-by: Breno Leitao <leitao@xxxxxxxxxx>
---
include/net/raw.h | 3 +++
net/ipv4/raw.c | 23 +++++++++++++++++++++++
2 files changed, 26 insertions(+)
diff --git a/include/net/raw.h b/include/net/raw.h
index 32a61481a253..5d5ec63274a8 100644
--- a/include/net/raw.h
+++ b/include/net/raw.h
@@ -96,4 +96,7 @@ static inline bool raw_sk_bound_dev_eq(struct net *net, int bound_dev_if,
#endif
}
+int raw_uring_cmd(struct sock *sk, struct io_uring_cmd *cmd,
+ unsigned int issue_flags);
+
#endif /* _RAW_H */
diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c
index 7782ff5e6539..31c3f9c41354 100644
--- a/net/ipv4/raw.c
+++ b/net/ipv4/raw.c
@@ -75,6 +75,7 @@
#include <linux/netfilter_ipv4.h>
#include <linux/compat.h>
#include <linux/uio.h>
+#include <linux/io_uring.h>
struct raw_frag_vec {
struct msghdr *msg;
@@ -885,6 +886,27 @@ static int raw_ioctl(struct sock *sk, int cmd, int *karg)
}
}
+int raw_uring_cmd(struct sock *sk, struct io_uring_cmd *cmd,
+ unsigned int issue_flags)
+{
+ int ret;
+
+ switch (cmd->sqe->cmd_op) {
+ case SOCKET_URING_OP_SIOCINQ: {
+ if (raw_ioctl(sk, SIOCINQ, &ret))
+ return -EFAULT;
+ return ret;
+ }
+ case SOCKET_URING_OP_SIOCOUTQ:
+ if (raw_ioctl(sk, SIOCOUTQ, &ret))
+ return -EFAULT;
+ return ret;
+ default:
+ return -ENOIOCTLCMD;
+ }
+}
+EXPORT_SYMBOL_GPL(raw_uring_cmd);
+
#ifdef CONFIG_COMPAT
static int compat_raw_ioctl(struct sock *sk, unsigned int cmd, unsigned long arg)
{
@@ -924,6 +946,7 @@ struct proto raw_prot = {
.connect = ip4_datagram_connect,
.disconnect = __udp_disconnect,
.ioctl = raw_ioctl,
+ .uring_cmd = raw_uring_cmd,
.init = raw_sk_init,
.setsockopt = raw_setsockopt,
.getsockopt = raw_getsockopt,
--
2.34.1
