From 9999e48639b3cecb08ffb37358bcba3b48161b29 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 08:50:17 +0000
Subject: [PATCH] add ax88772_rst
---
kernel/drivers/net/ethernet/sfc/falcon/rx.c | 17 +++++++++--------
1 files changed, 9 insertions(+), 8 deletions(-)
diff --git a/kernel/drivers/net/ethernet/sfc/falcon/rx.c b/kernel/drivers/net/ethernet/sfc/falcon/rx.c
index 5b93a3a..0c6cc21 100644
--- a/kernel/drivers/net/ethernet/sfc/falcon/rx.c
+++ b/kernel/drivers/net/ethernet/sfc/falcon/rx.c
@@ -1,11 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/****************************************************************************
* Driver for Solarflare network controllers and boards
* Copyright 2005-2006 Fen Systems Ltd.
* Copyright 2005-2013 Solarflare Communications Inc.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published
- * by the Free Software Foundation, incorporated herein by reference.
*/
#include <linux/socket.h>
@@ -113,6 +110,8 @@
struct ef4_rx_page_state *state;
unsigned index;
+ if (unlikely(!rx_queue->page_ring))
+ return NULL;
index = rx_queue->page_remove & rx_queue->page_ptr_mask;
page = rx_queue->page_ring[index];
if (page == NULL)
@@ -143,6 +142,7 @@
* ef4_init_rx_buffers - create EF4_RX_BATCH page-based RX buffers
*
* @rx_queue: Efx RX queue
+ * @atomic: control memory allocation flags
*
* This allocates a batch of pages, maps them for DMA, and populates
* struct ef4_rx_buffers for each one. Return a negative error code or
@@ -295,6 +295,9 @@
{
struct ef4_rx_queue *rx_queue = ef4_channel_get_rx_queue(channel);
+ if (unlikely(!rx_queue->page_ring))
+ return;
+
do {
ef4_recycle_rx_page(channel, rx_buf);
rx_buf = ef4_rx_buf_next(rx_queue, rx_buf);
@@ -319,6 +322,7 @@
* This will aim to fill the RX descriptor queue up to
* @rx_queue->@max_fill. If there is insufficient atomic
* memory to do so, a slow fill will be scheduled.
+ * @atomic: control memory allocation flags
*
* The caller must provide serialisation (none is used here). In practise,
* this means this function must run from the NAPI handler, or be called
@@ -427,7 +431,6 @@
unsigned int n_frags, u8 *eh)
{
struct napi_struct *napi = &channel->napi_str;
- gro_result_t gro_result;
struct ef4_nic *efx = channel->efx;
struct sk_buff *skb;
@@ -463,9 +466,7 @@
skb_record_rx_queue(skb, channel->rx_queue.core_index);
- gro_result = napi_gro_frags(napi);
- if (gro_result != GRO_DROP)
- channel->irq_mod_score += 2;
+ napi_gro_frags(napi);
}
/* Allocate and construct an SKB around page fragments */
--
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