From 8ac6c7a54ed1b98d142dce24b11c6de6a1e239a5 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 22 Oct 2024 10:36:11 +0000
Subject: [PATCH] 修改4g拨号为QMI,需要在系统里后台执行quectel-CM
---
kernel/net/xdp/xsk_queue.c | 26 ++++++++++----------------
1 files changed, 10 insertions(+), 16 deletions(-)
diff --git a/kernel/net/xdp/xsk_queue.c b/kernel/net/xdp/xsk_queue.c
index 6c32e92..6cf9586 100644
--- a/kernel/net/xdp/xsk_queue.c
+++ b/kernel/net/xdp/xsk_queue.c
@@ -3,26 +3,21 @@
* Copyright(c) 2018 Intel Corporation.
*/
+#include <linux/log2.h>
#include <linux/slab.h>
+#include <linux/overflow.h>
+#include <net/xdp_sock_drv.h>
#include "xsk_queue.h"
-void xskq_set_umem(struct xsk_queue *q, struct xdp_umem_props *umem_props)
+static size_t xskq_get_ring_size(struct xsk_queue *q, bool umem_queue)
{
- if (!q)
- return;
+ struct xdp_umem_ring *umem_ring;
+ struct xdp_rxtx_ring *rxtx_ring;
- q->umem_props = *umem_props;
-}
-
-static u32 xskq_umem_get_ring_size(struct xsk_queue *q)
-{
- return sizeof(struct xdp_umem_ring) + q->nentries * sizeof(u64);
-}
-
-static u32 xskq_rxtx_get_ring_size(struct xsk_queue *q)
-{
- return sizeof(struct xdp_ring) + q->nentries * sizeof(struct xdp_desc);
+ if (umem_queue)
+ return struct_size(umem_ring, desc, q->nentries);
+ return struct_size(rxtx_ring, desc, q->nentries);
}
struct xsk_queue *xskq_create(u32 nentries, bool umem_queue)
@@ -40,8 +35,7 @@
gfp_flags = GFP_KERNEL | __GFP_ZERO | __GFP_NOWARN |
__GFP_COMP | __GFP_NORETRY;
- size = umem_queue ? xskq_umem_get_ring_size(q) :
- xskq_rxtx_get_ring_size(q);
+ size = xskq_get_ring_size(q, umem_queue);
q->ring = (struct xdp_ring *)__get_free_pages(gfp_flags,
get_order(size));
--
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