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authorChuanhong Guo <gch981213@gmail.com>2020-01-06 16:12:03 -0800
committerChuanhong Guo <gch981213@gmail.com>2020-02-07 10:58:01 +0800
commitdd280444b351f4a196554da2493f2ea65956de66 (patch)
treed69061c54e811d107b087fdd846aa48d4fea8b26
parent6f10aa737e7bba94ab00df9f999c42d2d70ad63c (diff)
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ath79: ag71xx: use netif_receive_skb_list on 4.19
This new function make batch processing of network packets possible, which slightly improves performance. Signed-off-by: Chuanhong Guo <gch981213@gmail.com> Tested-by: Rosen Penev <rosenp@gmail.com>
-rw-r--r--target/linux/ath79/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_main.c20
1 files changed, 19 insertions, 1 deletions
diff --git a/target/linux/ath79/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_main.c b/target/linux/ath79/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_main.c
index 6123a26f2c..2394ccc90d 100644
--- a/target/linux/ath79/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_main.c
+++ b/target/linux/ath79/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_main.c
@@ -1214,14 +1214,22 @@ static int ag71xx_rx_packets(struct ag71xx *ag, int limit)
unsigned int offset = ag->rx_buf_offset;
int ring_mask = BIT(ring->order) - 1;
int ring_size = BIT(ring->order);
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,19,0))
+ struct list_head rx_list;
+ struct sk_buff *next;
+#else
struct sk_buff_head queue;
+#endif
struct sk_buff *skb;
int done = 0;
DBG("%s: rx packets, limit=%d, curr=%u, dirty=%u\n",
dev->name, limit, ring->curr, ring->dirty);
-
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,19,0))
+ INIT_LIST_HEAD(&rx_list);
+#else
skb_queue_head_init(&queue);
+#endif
while (done < limit) {
unsigned int i = ring->curr & ring_mask;
@@ -1263,7 +1271,11 @@ static int ag71xx_rx_packets(struct ag71xx *ag, int limit)
} else {
skb->dev = dev;
skb->ip_summed = CHECKSUM_NONE;
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,19,0))
+ list_add_tail(&skb->list, &rx_list);
+#else
__skb_queue_tail(&queue, skb);
+#endif
}
next:
@@ -1275,10 +1287,16 @@ next:
ag71xx_ring_rx_refill(ag);
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,19,0))
+ list_for_each_entry_safe(skb, next, &rx_list, list)
+ skb->protocol = eth_type_trans(skb, dev);
+ netif_receive_skb_list(&rx_list);
+#else
while ((skb = __skb_dequeue(&queue)) != NULL) {
skb->protocol = eth_type_trans(skb, dev);
netif_receive_skb(skb);
}
+#endif
DBG("%s: rx finish, curr=%u, dirty=%u, done=%d\n",
dev->name, ring->curr, ring->dirty, done);