accel-dp: formed skeleton

1 files changed, 82 insertions, 0 deletions

diff --git a/accel-dp/af_packet.c b/accel-dp/af_packet.c
new file mode 100644
index 00000000..89a3c09b
--- /dev/null
+++ b/accel-dp/af_packet.c
@@ -0,0 +1,82 @@
+#include <unistd.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <assert.h>
+#include <sys/socket.h>
+#include <sys/ioctl.h>
+#include <linux/if_packet.h>
+
+#include <rte_malloc.h>
+
+#include "sock.h"
+#include "common.h"
+#include "dev.h"
+
+struct packet_priv {
+	int type;
+};
+
+static int packet_socket(struct sock *sk, int type, int proto)
+{
+	struct packet_priv *priv = rte_malloc(NULL, sizeof(*sk->priv), 0);
+
+	if (!priv)
+		return sock_errno(sk, ENOMEM);
+
+	priv->type = type;
+
+	sk->priv = priv;
+
+	return sock_errno(sk, 0);
+}
+
+static int packet_bind(struct sock *sk, const struct sockaddr *a, socklen_t addrlen)
+{
+	struct sockaddr_ll *addr = (struct sockaddr_ll *)a;
+	struct net_device *dev = NULL;
+
+	if (addrlen != sizeof(*addr))
+		return sock_errno(sk, EINVAL);
+
+	if (addr->sll_ifindex) {
+		dev = netdev_get_by_index(addr->sll_ifindex);
+		if (!dev)
+			return sock_errno(sk, ENODEV);
+	}
+
+	return sock_errno(sk, 0);
+}
+
+static int packet_recv(struct sock *sk, size_t len, int flags, socklen_t addrlen)
+{
+
+	return sock_errno(sk, EAGAIN);
+}
+
+static int packet_send(struct sock *sk, void *buf, size_t len, int flags, const struct sockaddr *addr, socklen_t addrlen)
+{
+
+	return sock_errno(sk, 0);
+}
+
+static void packet_close(struct sock *sk)
+{
+	rte_free(sk->priv);
+}
+
+static const struct proto_ops proto = {
+	.socket = packet_socket,
+	.bind = packet_bind,
+	.listen = sock_no_listen,
+	.connect = sock_no_connect,
+	.recv = packet_recv,
+	.send = packet_send,
+	.ioctl = sock_no_ioctl,
+	.close = packet_close,
+};
+
+static void __init init()
+{
+	sock_register_proto(PF_PACKET, SOCK_RAW, 0, &proto);
+}
+