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path: root/drivers/net/ethernet/realtek/r8169_main.c
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Diffstat (limited to 'drivers/net/ethernet/realtek/r8169_main.c')
-rw-r--r--drivers/net/ethernet/realtek/r8169_main.c21
1 files changed, 8 insertions, 13 deletions
diff --git a/drivers/net/ethernet/realtek/r8169_main.c b/drivers/net/ethernet/realtek/r8169_main.c
index 3ef1b31c95d1..46d8510b2fe2 100644
--- a/drivers/net/ethernet/realtek/r8169_main.c
+++ b/drivers/net/ethernet/realtek/r8169_main.c
@@ -68,7 +68,7 @@
#define R8169_REGS_SIZE 256
#define R8169_RX_BUF_SIZE (SZ_16K - 1)
#define NUM_TX_DESC 256 /* Number of Tx descriptor registers */
-#define NUM_RX_DESC 256U /* Number of Rx descriptor registers */
+#define NUM_RX_DESC 256 /* Number of Rx descriptor registers */
#define R8169_TX_RING_BYTES (NUM_TX_DESC * sizeof(struct TxDesc))
#define R8169_RX_RING_BYTES (NUM_RX_DESC * sizeof(struct RxDesc))
@@ -3844,7 +3844,7 @@ static struct page *rtl8169_alloc_rx_data(struct rtl8169_private *tp,
static void rtl8169_rx_clear(struct rtl8169_private *tp)
{
- unsigned int i;
+ int i;
for (i = 0; i < NUM_RX_DESC && tp->Rx_databuff[i]; i++) {
dma_unmap_page(tp_to_dev(tp),
@@ -3859,7 +3859,7 @@ static void rtl8169_rx_clear(struct rtl8169_private *tp)
static int rtl8169_rx_fill(struct rtl8169_private *tp)
{
- unsigned int i;
+ int i;
for (i = 0; i < NUM_RX_DESC; i++) {
struct page *data;
@@ -4415,15 +4415,13 @@ static inline void rtl8169_rx_csum(struct sk_buff *skb, u32 opts1)
skb_checksum_none_assert(skb);
}
-static int rtl_rx(struct net_device *dev, struct rtl8169_private *tp, u32 budget)
+static int rtl_rx(struct net_device *dev, struct rtl8169_private *tp, int budget)
{
- unsigned int cur_rx, rx_left, count;
struct device *d = tp_to_dev(tp);
+ int count;
- cur_rx = tp->cur_rx;
-
- for (rx_left = min(budget, NUM_RX_DESC); rx_left > 0; rx_left--, cur_rx++) {
- unsigned int pkt_size, entry = cur_rx % NUM_RX_DESC;
+ for (count = 0; count < budget; count++, tp->cur_rx++) {
+ unsigned int pkt_size, entry = tp->cur_rx % NUM_RX_DESC;
struct RxDesc *desc = tp->RxDescArray + entry;
struct sk_buff *skb;
const void *rx_buf;
@@ -4500,9 +4498,6 @@ release_descriptor:
rtl8169_mark_to_asic(desc);
}
- count = cur_rx - tp->cur_rx;
- tp->cur_rx = cur_rx;
-
return count;
}
@@ -4561,7 +4556,7 @@ static int rtl8169_poll(struct napi_struct *napi, int budget)
struct net_device *dev = tp->dev;
int work_done;
- work_done = rtl_rx(dev, tp, (u32) budget);
+ work_done = rtl_rx(dev, tp, budget);
rtl_tx(dev, tp, budget);