diff options
Diffstat (limited to 'target/linux/bcm53xx/patches-5.10/700-bgmac-reduce-max-frame-size-to-support-just-MTU-1500.patch')
| -rw-r--r-- | target/linux/bcm53xx/patches-5.10/700-bgmac-reduce-max-frame-size-to-support-just-MTU-1500.patch | 33 |
1 files changed, 0 insertions, 33 deletions
diff --git a/target/linux/bcm53xx/patches-5.10/700-bgmac-reduce-max-frame-size-to-support-just-MTU-1500.patch b/target/linux/bcm53xx/patches-5.10/700-bgmac-reduce-max-frame-size-to-support-just-MTU-1500.patch deleted file mode 100644 index 2c2eb07b82..0000000000 --- a/target/linux/bcm53xx/patches-5.10/700-bgmac-reduce-max-frame-size-to-support-just-MTU-1500.patch +++ /dev/null @@ -1,33 +0,0 @@ -From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl> -Date: Fri, 10 Jun 2022 13:10:47 +0200 -Subject: [PATCH] bgmac: reduce max frame size to support just MTU 1500 -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -bgmac allocates new replacement buffer before handling each received -frame. Allocating & DMA-preparing 9724 B each time consumes a lot of CPU -time. Ideally bgmac should just respect currently set MTU but it isn't -the case right now. For now just revert back to the old limited frame -size. - -This change bumps NAT masquarade speed by ~95%. - -Ref: 8c7da63978f1 ("bgmac: configure MTU and add support for frames beyond 8192 byte size") -Signed-off-by: Rafał Miłecki <rafal@milecki.pl> ---- - drivers/net/ethernet/broadcom/bgmac.h | 3 +-- - 1 file changed, 1 insertion(+), 2 deletions(-) - ---- a/drivers/net/ethernet/broadcom/bgmac.h -+++ b/drivers/net/ethernet/broadcom/bgmac.h -@@ -366,8 +366,7 @@ - #define BGMAC_RX_FRAME_OFFSET 30 /* There are 2 unused bytes between header and real data */ - #define BGMAC_RX_BUF_OFFSET (NET_SKB_PAD + NET_IP_ALIGN - \ - BGMAC_RX_FRAME_OFFSET) --/* Jumbo frame size with FCS */ --#define BGMAC_RX_MAX_FRAME_SIZE 9724 -+#define BGMAC_RX_MAX_FRAME_SIZE 1536 - #define BGMAC_RX_BUF_SIZE (BGMAC_RX_FRAME_OFFSET + BGMAC_RX_MAX_FRAME_SIZE) - #define BGMAC_RX_ALLOC_SIZE (SKB_DATA_ALIGN(BGMAC_RX_BUF_SIZE + BGMAC_RX_BUF_OFFSET) + \ - SKB_DATA_ALIGN(sizeof(struct skb_shared_info))) |