From d1b986bd54b12bf193ae102feb9fd70b9e839121 Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Tue, 28 Oct 2008 17:54:22 +0000 Subject: [PATCH] improve routing/nat performance for devices using the marvell 88e6060 switch SVN-Revision: 13060 --- .../200-ar2313_enable_mvswitch.patch | 42 +++++++++++++++++-- .../200-ar2313_enable_mvswitch.patch | 40 +++++++++++++++++- .../files/drivers/net/phy/mvswitch.c | 1 + .../patches-2.6.26/630-phy_packets.patch | 5 ++- .../patches-2.6.27/630-phy_packets.patch | 11 +++-- 5 files changed, 89 insertions(+), 10 deletions(-) diff --git a/target/linux/atheros/patches-2.6.26/200-ar2313_enable_mvswitch.patch b/target/linux/atheros/patches-2.6.26/200-ar2313_enable_mvswitch.patch index 752b07f89c..4711ef6f5a 100644 --- a/target/linux/atheros/patches-2.6.26/200-ar2313_enable_mvswitch.patch +++ b/target/linux/atheros/patches-2.6.26/200-ar2313_enable_mvswitch.patch @@ -1,6 +1,33 @@ --- a/drivers/net/ar2313/ar2313.c +++ b/drivers/net/ar2313/ar2313.c -@@ -953,9 +953,9 @@ +@@ -834,6 +834,7 @@ static void ar2313_load_rx_ring(struct n + for (i = 0; i < nr_bufs; i++) { + struct sk_buff *skb; + ar2313_descr_t *rd; ++ int offset = RX_OFFSET; + + if (sp->rx_skb[idx]) { + #if DEBUG_RX +@@ -855,7 +856,9 @@ static void ar2313_load_rx_ring(struct n + * Make sure IP header starts on a fresh cache line. + */ + skb->dev = dev; +- skb_reserve(skb, RX_OFFSET); ++ if (sp->phy_dev) ++ offset += sp->phy_dev->pkt_align; ++ skb_reserve(skb, offset); + sp->rx_skb[idx] = skb; + + rd = (ar2313_descr_t *) & sp->rx_ring[idx]; +@@ -946,6 +949,7 @@ static int ar2313_rx_int(struct net_devi + /* alloc new buffer. */ + skb_new = dev_alloc_skb(AR2313_BUFSIZE + RX_OFFSET + 128); + if (skb_new != NULL) { ++ int offset; + + skb = sp->rx_skb[idx]; + /* set skb */ +@@ -953,13 +957,17 @@ static int ar2313_rx_int(struct net_devi ((status >> DMA_RX_LEN_SHIFT) & 0x3fff) - CRC_LEN); dev->stats.rx_bytes += skb->len; @@ -11,8 +38,17 @@ + sp->rx(skb); skb_new->dev = dev; ++ /* 16 bit align */ -@@ -1370,6 +1370,8 @@ +- skb_reserve(skb_new, RX_OFFSET + 32); ++ offset = RX_OFFSET + 32; ++ if (sp->phy_dev) ++ offset += sp->phy_dev->pkt_align; ++ skb_reserve(skb_new, offset); + /* reset descriptor's curr_addr */ + rxdesc->addr = virt_to_phys(skb_new->data); + +@@ -1370,6 +1378,8 @@ static int mdiobus_probe (struct net_dev return PTR_ERR(phydev); } @@ -23,7 +59,7 @@ | SUPPORTED_10baseT_Full --- a/drivers/net/ar2313/ar2313.h +++ b/drivers/net/ar2313/ar2313.h -@@ -107,6 +107,8 @@ +@@ -107,6 +107,8 @@ typedef struct { */ struct ar2313_private { struct net_device *dev; diff --git a/target/linux/atheros/patches-2.6.27/200-ar2313_enable_mvswitch.patch b/target/linux/atheros/patches-2.6.27/200-ar2313_enable_mvswitch.patch index 3868939cd6..4711ef6f5a 100644 --- a/target/linux/atheros/patches-2.6.27/200-ar2313_enable_mvswitch.patch +++ b/target/linux/atheros/patches-2.6.27/200-ar2313_enable_mvswitch.patch @@ -1,6 +1,33 @@ --- a/drivers/net/ar2313/ar2313.c +++ b/drivers/net/ar2313/ar2313.c -@@ -953,9 +953,9 @@ static int ar2313_rx_int(struct net_devi +@@ -834,6 +834,7 @@ static void ar2313_load_rx_ring(struct n + for (i = 0; i < nr_bufs; i++) { + struct sk_buff *skb; + ar2313_descr_t *rd; ++ int offset = RX_OFFSET; + + if (sp->rx_skb[idx]) { + #if DEBUG_RX +@@ -855,7 +856,9 @@ static void ar2313_load_rx_ring(struct n + * Make sure IP header starts on a fresh cache line. + */ + skb->dev = dev; +- skb_reserve(skb, RX_OFFSET); ++ if (sp->phy_dev) ++ offset += sp->phy_dev->pkt_align; ++ skb_reserve(skb, offset); + sp->rx_skb[idx] = skb; + + rd = (ar2313_descr_t *) & sp->rx_ring[idx]; +@@ -946,6 +949,7 @@ static int ar2313_rx_int(struct net_devi + /* alloc new buffer. */ + skb_new = dev_alloc_skb(AR2313_BUFSIZE + RX_OFFSET + 128); + if (skb_new != NULL) { ++ int offset; + + skb = sp->rx_skb[idx]; + /* set skb */ +@@ -953,13 +957,17 @@ static int ar2313_rx_int(struct net_devi ((status >> DMA_RX_LEN_SHIFT) & 0x3fff) - CRC_LEN); dev->stats.rx_bytes += skb->len; @@ -11,8 +38,17 @@ + sp->rx(skb); skb_new->dev = dev; ++ /* 16 bit align */ -@@ -1370,6 +1370,8 @@ static int mdiobus_probe (struct net_dev +- skb_reserve(skb_new, RX_OFFSET + 32); ++ offset = RX_OFFSET + 32; ++ if (sp->phy_dev) ++ offset += sp->phy_dev->pkt_align; ++ skb_reserve(skb_new, offset); + /* reset descriptor's curr_addr */ + rxdesc->addr = virt_to_phys(skb_new->data); + +@@ -1370,6 +1378,8 @@ static int mdiobus_probe (struct net_dev return PTR_ERR(phydev); } diff --git a/target/linux/generic-2.6/files/drivers/net/phy/mvswitch.c b/target/linux/generic-2.6/files/drivers/net/phy/mvswitch.c index 78e5afe9bd..f5a292a80d 100644 --- a/target/linux/generic-2.6/files/drivers/net/phy/mvswitch.c +++ b/target/linux/generic-2.6/files/drivers/net/phy/mvswitch.c @@ -338,6 +338,7 @@ mvswitch_config_init(struct phy_device *pdev) ); /* hook into the tx function */ + pdev->pkt_align = 2; priv->hardstart = dev->hard_start_xmit; pdev->netif_receive_skb = mvswitch_netif_receive_skb; pdev->netif_rx = mvswitch_netif_rx; diff --git a/target/linux/generic-2.6/patches-2.6.26/630-phy_packets.patch b/target/linux/generic-2.6/patches-2.6.26/630-phy_packets.patch index f1c1580e0d..a561bb29c1 100644 --- a/target/linux/generic-2.6/patches-2.6.26/630-phy_packets.patch +++ b/target/linux/generic-2.6/patches-2.6.26/630-phy_packets.patch @@ -30,7 +30,7 @@ --- a/include/linux/phy.h +++ b/include/linux/phy.h -@@ -309,6 +309,17 @@ +@@ -309,6 +309,20 @@ void (*adjust_link)(struct net_device *dev); void (*adjust_state)(struct net_device *dev); @@ -45,6 +45,9 @@ + */ + int (*netif_receive_skb)(struct sk_buff *skb); + int (*netif_rx)(struct sk_buff *skb); ++ ++ /* alignment offset for packets */ ++ int pkt_align; }; #define to_phy_device(d) container_of(d, struct phy_device, dev) diff --git a/target/linux/generic-2.6/patches-2.6.27/630-phy_packets.patch b/target/linux/generic-2.6/patches-2.6.27/630-phy_packets.patch index 4fe1357913..a561bb29c1 100644 --- a/target/linux/generic-2.6/patches-2.6.27/630-phy_packets.patch +++ b/target/linux/generic-2.6/patches-2.6.27/630-phy_packets.patch @@ -1,6 +1,6 @@ --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c -@@ -143,6 +143,18 @@ int phy_scan_fixups(struct phy_device *p +@@ -143,6 +143,18 @@ } EXPORT_SYMBOL(phy_scan_fixups); @@ -19,7 +19,7 @@ struct phy_device* phy_device_create(struct mii_bus *bus, int addr, int phy_id) { struct phy_device *dev; -@@ -168,6 +180,8 @@ struct phy_device* phy_device_create(str +@@ -168,6 +180,8 @@ dev->bus = bus; dev->state = PHY_DOWN; @@ -30,7 +30,7 @@ --- a/include/linux/phy.h +++ b/include/linux/phy.h -@@ -309,6 +309,17 @@ struct phy_device { +@@ -309,6 +309,20 @@ void (*adjust_link)(struct net_device *dev); void (*adjust_state)(struct net_device *dev); @@ -45,12 +45,15 @@ + */ + int (*netif_receive_skb)(struct sk_buff *skb); + int (*netif_rx)(struct sk_buff *skb); ++ ++ /* alignment offset for packets */ ++ int pkt_align; }; #define to_phy_device(d) container_of(d, struct phy_device, dev) --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h -@@ -613,6 +613,7 @@ struct net_device +@@ -613,6 +613,7 @@ void *ax25_ptr; /* AX.25 specific data */ struct wireless_dev *ieee80211_ptr; /* IEEE 802.11 specific data, assign before registering */ -- 2.30.2