* [PATCH net-next] Revert "r8169: use netif_receive_skb_list batching"
@ 2019-04-03 17:54 Heiner Kallweit
2019-04-05 0:47 ` David Miller
0 siblings, 1 reply; 2+ messages in thread
From: Heiner Kallweit @ 2019-04-03 17:54 UTC (permalink / raw)
To: David Miller, Realtek linux nic maintainers; +Cc: netdev, Eric Dumazet
This reverts commit 6578229d4efb7ea6287861bfc2bd306140458e07.
netif_receive_skb_list() doesn't support GRO, therefore we may have
scenarios with decreased performance. See discussion here [0].
[0] https://marc.info/?t=155403847400001&r=1&w=2
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
---
drivers/net/ethernet/realtek/r8169.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
index 8a8a4f70db1e..88eb9e05d2a1 100644
--- a/drivers/net/ethernet/realtek/r8169.c
+++ b/drivers/net/ethernet/realtek/r8169.c
@@ -6426,7 +6426,6 @@ static int rtl_rx(struct net_device *dev, struct rtl8169_private *tp, u32 budget
{
unsigned int cur_rx, rx_left;
unsigned int count;
- LIST_HEAD(rx_list);
cur_rx = tp->cur_rx;
@@ -6502,7 +6501,7 @@ static int rtl_rx(struct net_device *dev, struct rtl8169_private *tp, u32 budget
if (skb->pkt_type == PACKET_MULTICAST)
dev->stats.multicast++;
- list_add_tail(&skb->list, &rx_list);
+ napi_gro_receive(&tp->napi, skb);
u64_stats_update_begin(&tp->rx_stats.syncp);
tp->rx_stats.packets++;
@@ -6517,8 +6516,6 @@ static int rtl_rx(struct net_device *dev, struct rtl8169_private *tp, u32 budget
count = cur_rx - tp->cur_rx;
tp->cur_rx = cur_rx;
- netif_receive_skb_list(&rx_list);
-
return count;
}
--
2.21.0
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH net-next] Revert "r8169: use netif_receive_skb_list batching"
2019-04-03 17:54 [PATCH net-next] Revert "r8169: use netif_receive_skb_list batching" Heiner Kallweit
@ 2019-04-05 0:47 ` David Miller
0 siblings, 0 replies; 2+ messages in thread
From: David Miller @ 2019-04-05 0:47 UTC (permalink / raw)
To: hkallweit1; +Cc: nic_swsd, netdev, eric.dumazet
From: Heiner Kallweit <hkallweit1@gmail.com>
Date: Wed, 3 Apr 2019 19:54:12 +0200
> This reverts commit 6578229d4efb7ea6287861bfc2bd306140458e07.
> netif_receive_skb_list() doesn't support GRO, therefore we may have
> scenarios with decreased performance. See discussion here [0].
>
> [0] https://marc.info/?t=155403847400001&r=1&w=2
>
> Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Applied, thanks for following up.
^ permalink raw reply [flat|nested] 2+ messages in thread
end of thread, other threads:[~2019-04-05 0:47 UTC | newest]
Thread overview: 2+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2019-04-03 17:54 [PATCH net-next] Revert "r8169: use netif_receive_skb_list batching" Heiner Kallweit
2019-04-05 0:47 ` David Miller
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.