diff options
Diffstat (limited to 'target')
| -rw-r--r-- | target/linux/generic/backport-5.10/797-v5.17-net-usb-ax88179_178a-add-TSO-feature.patch | 68 | ||||
| -rw-r--r-- | target/linux/generic/backport-5.15/797-v5.17-net-usb-ax88179_178a-add-TSO-feature.patch | 68 |
2 files changed, 136 insertions, 0 deletions
diff --git a/target/linux/generic/backport-5.10/797-v5.17-net-usb-ax88179_178a-add-TSO-feature.patch b/target/linux/generic/backport-5.10/797-v5.17-net-usb-ax88179_178a-add-TSO-feature.patch new file mode 100644 index 0000000000..a2168aaba5 --- /dev/null +++ b/target/linux/generic/backport-5.10/797-v5.17-net-usb-ax88179_178a-add-TSO-feature.patch @@ -0,0 +1,68 @@ +From 16b1c4e01c89ba07367461e0bc4cb84993c2d027 Mon Sep 17 00:00:00 2001 +From: Jacky Chou <jackychou@asix.com.tw> +Date: Mon, 15 Nov 2021 11:49:41 +0800 +Subject: [PATCH] net: usb: ax88179_178a: add TSO feature + +On low-effciency embedded platforms, transmission performance is poor +due to on Bulk-out with single packet. +Adding TSO feature improves the transmission performance and reduces +the number of interrupt caused by Bulk-out complete. + +Reference to module, net: usb: aqc111. + +Signed-off-by: Jacky Chou <jackychou@asix.com.tw> +Signed-off-by: David S. Miller <davem@davemloft.net> +--- + drivers/net/usb/ax88179_178a.c | 17 +++++++++++------ + 1 file changed, 11 insertions(+), 6 deletions(-) + +--- a/drivers/net/usb/ax88179_178a.c ++++ b/drivers/net/usb/ax88179_178a.c +@@ -1377,11 +1377,12 @@ static int ax88179_bind(struct usbnet *d + dev->mii.phy_id = 0x03; + dev->mii.supports_gmii = 1; + +- dev->net->features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | +- NETIF_F_RXCSUM; ++ dev->net->features |= NETIF_F_SG | NETIF_F_IP_CSUM | ++ NETIF_F_IPV6_CSUM | NETIF_F_RXCSUM | NETIF_F_TSO; + +- dev->net->hw_features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | +- NETIF_F_RXCSUM; ++ dev->net->hw_features |= dev->net->features; ++ ++ netif_set_gso_max_size(dev->net, 16384); + + /* Enable checksum offload */ + *tmp = AX_RXCOE_IP | AX_RXCOE_TCP | AX_RXCOE_UDP | +@@ -1587,17 +1588,19 @@ ax88179_tx_fixup(struct usbnet *dev, str + { + u32 tx_hdr1, tx_hdr2; + int frame_size = dev->maxpacket; +- int mss = skb_shinfo(skb)->gso_size; + int headroom; + void *ptr; + + tx_hdr1 = skb->len; +- tx_hdr2 = mss; ++ tx_hdr2 = skb_shinfo(skb)->gso_size; /* Set TSO mss */ + if (((skb->len + 8) % frame_size) == 0) + tx_hdr2 |= 0x80008000; /* Enable padding */ + + headroom = skb_headroom(skb) - 8; + ++ if ((dev->net->features & NETIF_F_SG) && skb_linearize(skb)) ++ return NULL; ++ + if ((skb_header_cloned(skb) || headroom < 0) && + pskb_expand_head(skb, headroom < 0 ? 8 : 0, 0, GFP_ATOMIC)) { + dev_kfree_skb_any(skb); +@@ -1608,6 +1611,8 @@ ax88179_tx_fixup(struct usbnet *dev, str + put_unaligned_le32(tx_hdr1, ptr); + put_unaligned_le32(tx_hdr2, ptr + 4); + ++ usbnet_set_skb_tx_stats(skb, (skb_shinfo(skb)->gso_segs ?: 1), 0); ++ + return skb; + } + diff --git a/target/linux/generic/backport-5.15/797-v5.17-net-usb-ax88179_178a-add-TSO-feature.patch b/target/linux/generic/backport-5.15/797-v5.17-net-usb-ax88179_178a-add-TSO-feature.patch new file mode 100644 index 0000000000..a2168aaba5 --- /dev/null +++ b/target/linux/generic/backport-5.15/797-v5.17-net-usb-ax88179_178a-add-TSO-feature.patch @@ -0,0 +1,68 @@ +From 16b1c4e01c89ba07367461e0bc4cb84993c2d027 Mon Sep 17 00:00:00 2001 +From: Jacky Chou <jackychou@asix.com.tw> +Date: Mon, 15 Nov 2021 11:49:41 +0800 +Subject: [PATCH] net: usb: ax88179_178a: add TSO feature + +On low-effciency embedded platforms, transmission performance is poor +due to on Bulk-out with single packet. +Adding TSO feature improves the transmission performance and reduces +the number of interrupt caused by Bulk-out complete. + +Reference to module, net: usb: aqc111. + +Signed-off-by: Jacky Chou <jackychou@asix.com.tw> +Signed-off-by: David S. Miller <davem@davemloft.net> +--- + drivers/net/usb/ax88179_178a.c | 17 +++++++++++------ + 1 file changed, 11 insertions(+), 6 deletions(-) + +--- a/drivers/net/usb/ax88179_178a.c ++++ b/drivers/net/usb/ax88179_178a.c +@@ -1377,11 +1377,12 @@ static int ax88179_bind(struct usbnet *d + dev->mii.phy_id = 0x03; + dev->mii.supports_gmii = 1; + +- dev->net->features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | +- NETIF_F_RXCSUM; ++ dev->net->features |= NETIF_F_SG | NETIF_F_IP_CSUM | ++ NETIF_F_IPV6_CSUM | NETIF_F_RXCSUM | NETIF_F_TSO; + +- dev->net->hw_features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | +- NETIF_F_RXCSUM; ++ dev->net->hw_features |= dev->net->features; ++ ++ netif_set_gso_max_size(dev->net, 16384); + + /* Enable checksum offload */ + *tmp = AX_RXCOE_IP | AX_RXCOE_TCP | AX_RXCOE_UDP | +@@ -1587,17 +1588,19 @@ ax88179_tx_fixup(struct usbnet *dev, str + { + u32 tx_hdr1, tx_hdr2; + int frame_size = dev->maxpacket; +- int mss = skb_shinfo(skb)->gso_size; + int headroom; + void *ptr; + + tx_hdr1 = skb->len; +- tx_hdr2 = mss; ++ tx_hdr2 = skb_shinfo(skb)->gso_size; /* Set TSO mss */ + if (((skb->len + 8) % frame_size) == 0) + tx_hdr2 |= 0x80008000; /* Enable padding */ + + headroom = skb_headroom(skb) - 8; + ++ if ((dev->net->features & NETIF_F_SG) && skb_linearize(skb)) ++ return NULL; ++ + if ((skb_header_cloned(skb) || headroom < 0) && + pskb_expand_head(skb, headroom < 0 ? 8 : 0, 0, GFP_ATOMIC)) { + dev_kfree_skb_any(skb); +@@ -1608,6 +1611,8 @@ ax88179_tx_fixup(struct usbnet *dev, str + put_unaligned_le32(tx_hdr1, ptr); + put_unaligned_le32(tx_hdr2, ptr + 4); + ++ usbnet_set_skb_tx_stats(skb, (skb_shinfo(skb)->gso_segs ?: 1), 0); ++ + return skb; + } + |