netdev - [PATCH net-next 6/7] gve: Allow pageflips on larger pages

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Date:   Thu,  7 Oct 2021 09:25:33 -0700
From:   Jeroen de Borst <jeroendb@...gle.com>
To:     netdev@...r.kernel.org
Cc:     davem@...emloft.net, kuba@...nel.org,
        Jordan Kim <jrkim@...gle.com>,
        Jeroen de Borst <jeroendb@...gle.com>
Subject: [PATCH net-next 6/7] gve: Allow pageflips on larger pages

From: Jordan Kim <jrkim@...gle.com>

Half pages are just used for small enough packets. This change allows
this to also apply for systems with pages larger than 4 KB.

Fixes: 02b0e0c18ba75 ("gve: Rx Buffer Recycling")
Signed-off-by: Jordan Kim <jrkim@...gle.com>
Signed-off-by: Jeroen de Borst <jeroendb@...gle.com>
---
 drivers/net/ethernet/google/gve/gve_rx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/google/gve/gve_rx.c b/drivers/net/ethernet/google/gve/gve_rx.c
index ecf5a396290b..c6e95e1409a9 100644
--- a/drivers/net/ethernet/google/gve/gve_rx.c
+++ b/drivers/net/ethernet/google/gve/gve_rx.c
@@ -296,7 +296,7 @@ static void gve_rx_flip_buff(struct gve_rx_slot_page_info *page_info, __be64 *sl
 
 static bool gve_rx_can_flip_buffers(struct net_device *netdev)
 {
-	return PAGE_SIZE == 4096
+	return PAGE_SIZE >= 4096
 		? netdev->mtu + GVE_RX_PAD + ETH_HLEN <= PAGE_SIZE / 2 : false;
 }
 
-- 
2.33.0.800.g4c38ced690-goog