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