aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat
-rw-r--r--include/net/xdp_sock.h13
-rw-r--r--include/uapi/linux/if_xdp.h13
-rw-r--r--kernel/bpf/xskmap.c9
-rw-r--r--net/xdp/Makefile1
-rw-r--r--net/xdp/xdp_umem.c13
-rw-r--r--net/xdp/xdp_umem.h13
-rw-r--r--net/xdp/xdp_umem_props.h13
-rw-r--r--net/xdp/xsk.c45
-rw-r--r--net/xdp/xsk_queue.c12
-rw-r--r--net/xdp/xsk_queue.h17
-rw-r--r--samples/bpf/xdpsock_user.c12
11 files changed, 34 insertions, 127 deletions
diff --git a/include/net/xdp_sock.h b/include/net/xdp_sock.h
index 185f4928fbda..7a647c56ec15 100644
--- a/include/net/xdp_sock.h
+++ b/include/net/xdp_sock.h
@@ -1,15 +1,6 @@
-/* SPDX-License-Identifier: GPL-2.0
- * AF_XDP internal functions
+/* SPDX-License-Identifier: GPL-2.0 */
+/* AF_XDP internal functions
* Copyright(c) 2018 Intel Corporation.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
*/
#ifndef _LINUX_XDP_SOCK_H
diff --git a/include/uapi/linux/if_xdp.h b/include/uapi/linux/if_xdp.h
index 77b88c4efe98..56db977221d2 100644
--- a/include/uapi/linux/if_xdp.h
+++ b/include/uapi/linux/if_xdp.h
@@ -1,17 +1,8 @@
-/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note
- *
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+/*
* if_xdp: XDP socket user-space interface
* Copyright(c) 2018 Intel Corporation.
*
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
* Author(s): Björn Töpel <[email protected]>
* Magnus Karlsson <[email protected]>
*/
diff --git a/kernel/bpf/xskmap.c b/kernel/bpf/xskmap.c
index cb3a12137404..b3c557476a8d 100644
--- a/kernel/bpf/xskmap.c
+++ b/kernel/bpf/xskmap.c
@@ -1,15 +1,6 @@
// SPDX-License-Identifier: GPL-2.0
/* XSKMAP used for AF_XDP sockets
* Copyright(c) 2018 Intel Corporation.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
*/
#include <linux/bpf.h>
diff --git a/net/xdp/Makefile b/net/xdp/Makefile
index 074fb2b2d51c..04f073146256 100644
--- a/net/xdp/Makefile
+++ b/net/xdp/Makefile
@@ -1,2 +1 @@
obj-$(CONFIG_XDP_SOCKETS) += xsk.o xdp_umem.o xsk_queue.o
-
diff --git a/net/xdp/xdp_umem.c b/net/xdp/xdp_umem.c
index 2b47a1dd7c6c..c47909c74899 100644
--- a/net/xdp/xdp_umem.c
+++ b/net/xdp/xdp_umem.c
@@ -1,15 +1,6 @@
// SPDX-License-Identifier: GPL-2.0
/* XDP user-space packet buffer
* Copyright(c) 2018 Intel Corporation.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
*/
#include <linux/init.h>
@@ -29,7 +20,7 @@ int xdp_umem_create(struct xdp_umem **umem)
{
*umem = kzalloc(sizeof(**umem), GFP_KERNEL);
- if (!(*umem))
+ if (!*umem)
return -ENOMEM;
return 0;
@@ -256,5 +247,5 @@ out:
bool xdp_umem_validate_queues(struct xdp_umem *umem)
{
- return (umem->fq && umem->cq);
+ return umem->fq && umem->cq;
}
diff --git a/net/xdp/xdp_umem.h b/net/xdp/xdp_umem.h
index 7e0b2fab8522..70fe225baa51 100644
--- a/net/xdp/xdp_umem.h
+++ b/net/xdp/xdp_umem.h
@@ -1,15 +1,6 @@
-/* SPDX-License-Identifier: GPL-2.0
- * XDP user-space packet buffer
+/* SPDX-License-Identifier: GPL-2.0 */
+/* XDP user-space packet buffer
* Copyright(c) 2018 Intel Corporation.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
*/
#ifndef XDP_UMEM_H_
diff --git a/net/xdp/xdp_umem_props.h b/net/xdp/xdp_umem_props.h
index 77fb5daf29f3..2cf8ec485fd2 100644
--- a/net/xdp/xdp_umem_props.h
+++ b/net/xdp/xdp_umem_props.h
@@ -1,15 +1,6 @@
-/* SPDX-License-Identifier: GPL-2.0
- * XDP user-space packet buffer
+/* SPDX-License-Identifier: GPL-2.0 */
+/* XDP user-space packet buffer
* Copyright(c) 2018 Intel Corporation.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
*/
#ifndef XDP_UMEM_PROPS_H_
diff --git a/net/xdp/xsk.c b/net/xdp/xsk.c
index 009c5af5bba5..817340f7725d 100644
--- a/net/xdp/xsk.c
+++ b/net/xdp/xsk.c
@@ -5,15 +5,6 @@
* applications.
* Copyright(c) 2018 Intel Corporation.
*
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
* Author(s): Björn Töpel <[email protected]>
* Magnus Karlsson <[email protected]>
*/
@@ -554,24 +545,24 @@ static struct proto xsk_proto = {
};
static const struct proto_ops xsk_proto_ops = {
- .family = PF_XDP,
- .owner = THIS_MODULE,
- .release = xsk_release,
- .bind = xsk_bind,
- .connect = sock_no_connect,
- .socketpair = sock_no_socketpair,
- .accept = sock_no_accept,
- .getname = sock_no_getname,
- .poll = xsk_poll,
- .ioctl = sock_no_ioctl,
- .listen = sock_no_listen,
- .shutdown = sock_no_shutdown,
- .setsockopt = xsk_setsockopt,
- .getsockopt = xsk_getsockopt,
- .sendmsg = xsk_sendmsg,
- .recvmsg = sock_no_recvmsg,
- .mmap = xsk_mmap,
- .sendpage = sock_no_sendpage,
+ .family = PF_XDP,
+ .owner = THIS_MODULE,
+ .release = xsk_release,
+ .bind = xsk_bind,
+ .connect = sock_no_connect,
+ .socketpair = sock_no_socketpair,
+ .accept = sock_no_accept,
+ .getname = sock_no_getname,
+ .poll = xsk_poll,
+ .ioctl = sock_no_ioctl,
+ .listen = sock_no_listen,
+ .shutdown = sock_no_shutdown,
+ .setsockopt = xsk_setsockopt,
+ .getsockopt = xsk_getsockopt,
+ .sendmsg = xsk_sendmsg,
+ .recvmsg = sock_no_recvmsg,
+ .mmap = xsk_mmap,
+ .sendpage = sock_no_sendpage,
};
static void xsk_destruct(struct sock *sk)
diff --git a/net/xdp/xsk_queue.c b/net/xdp/xsk_queue.c
index d012e5e23591..ebe85e59507e 100644
--- a/net/xdp/xsk_queue.c
+++ b/net/xdp/xsk_queue.c
@@ -1,15 +1,6 @@
// SPDX-License-Identifier: GPL-2.0
/* XDP user-space ring structure
* Copyright(c) 2018 Intel Corporation.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
*/
#include <linux/slab.h>
@@ -31,8 +22,7 @@ static u32 xskq_umem_get_ring_size(struct xsk_queue *q)
static u32 xskq_rxtx_get_ring_size(struct xsk_queue *q)
{
- return (sizeof(struct xdp_ring) +
- q->nentries * sizeof(struct xdp_desc));
+ return sizeof(struct xdp_ring) + q->nentries * sizeof(struct xdp_desc);
}
struct xsk_queue *xskq_create(u32 nentries, bool umem_queue)
diff --git a/net/xdp/xsk_queue.h b/net/xdp/xsk_queue.h
index 7aa9a535db0e..62e43be407d8 100644
--- a/net/xdp/xsk_queue.h
+++ b/net/xdp/xsk_queue.h
@@ -1,15 +1,6 @@
-/* SPDX-License-Identifier: GPL-2.0
- * XDP user-space ring structure
+/* SPDX-License-Identifier: GPL-2.0 */
+/* XDP user-space ring structure
* Copyright(c) 2018 Intel Corporation.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
*/
#ifndef _LINUX_XSK_QUEUE_H
@@ -232,12 +223,12 @@ static inline void xskq_produce_flush_desc(struct xsk_queue *q)
static inline bool xskq_full_desc(struct xsk_queue *q)
{
- return (xskq_nb_avail(q, q->nentries) == q->nentries);
+ return xskq_nb_avail(q, q->nentries) == q->nentries;
}
static inline bool xskq_empty_desc(struct xsk_queue *q)
{
- return (xskq_nb_free(q, q->prod_tail, 1) == q->nentries);
+ return xskq_nb_free(q, q->prod_tail, 1) == q->nentries;
}
void xskq_set_umem(struct xsk_queue *q, struct xdp_umem_props *umem_props);
diff --git a/samples/bpf/xdpsock_user.c b/samples/bpf/xdpsock_user.c
index 7fe60f6f7d53..60a882a2296c 100644
--- a/samples/bpf/xdpsock_user.c
+++ b/samples/bpf/xdpsock_user.c
@@ -1,15 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
-/* Copyright(c) 2017 - 2018 Intel Corporation.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- */
+/* Copyright(c) 2017 - 2018 Intel Corporation. */
#include <assert.h>
#include <errno.h>
Powered by cgit, Gruvboxed by Blaster4385.