+++ /dev/null
---- a/drivers/net/ethernet/ti/cpmac.c
-+++ b/drivers/net/ethernet/ti/cpmac.c
-@@ -373,6 +373,7 @@ static struct sk_buff *cpmac_rx_one(stru
- struct cpmac_desc *desc)
- {
- struct sk_buff *skb, *result = NULL;
-+ int offset;
-
- if (unlikely(netif_msg_hw(priv)))
- cpmac_dump_desc(priv->dev, desc);
-@@ -384,10 +385,15 @@ static struct sk_buff *cpmac_rx_one(stru
- return NULL;
- }
-
-- skb = netdev_alloc_skb_ip_align(priv->dev, CPMAC_SKB_SIZE);
-+ skb = netdev_alloc_skb(priv->dev, CPMAC_SKB_SIZE);
- if (likely(skb)) {
-+ offset = 2;
-+ if (priv->phy) {
-+ offset += priv->phy->pkt_align;
-+ }
-+ skb_reserve(skb, offset);
-+
- skb_put(desc->skb, desc->datalen);
-- desc->skb->protocol = eth_type_trans(desc->skb, priv->dev);
- skb_checksum_none_assert(desc->skb);
- priv->dev->stats.rx_packets++;
- priv->dev->stats.rx_bytes += desc->datalen;
-@@ -459,7 +465,12 @@ static int cpmac_poll(struct napi_struct
-
- skb = cpmac_rx_one(priv, desc);
- if (likely(skb)) {
-- netif_receive_skb(skb);
-+ if (priv->phy->netif_receive_skb) {
-+ priv->phy->netif_receive_skb(skb);
-+ } else {
-+ skb->protocol = eth_type_trans(skb, priv->dev);
-+ netif_receive_skb(skb);
-+ }
- received++;
- }
- desc = desc->next;
-@@ -952,7 +963,7 @@ static void cpmac_adjust_link(struct net
-
- static int cpmac_open(struct net_device *dev)
- {
-- int i, size, res;
-+ int i, size, res, offset;
- struct cpmac_priv *priv = netdev_priv(dev);
- struct resource *mem;
- struct cpmac_desc *desc;
-@@ -991,11 +1002,17 @@ static int cpmac_open(struct net_device
-
- priv->rx_head = &priv->desc_ring[CPMAC_QUEUES];
- for (i = 0, desc = priv->rx_head; i < priv->ring_size; i++, desc++) {
-- skb = netdev_alloc_skb_ip_align(dev, CPMAC_SKB_SIZE);
-+ skb = netdev_alloc_skb(dev, CPMAC_SKB_SIZE);
- if (unlikely(!skb)) {
- res = -ENOMEM;
- goto fail_desc;
- }
-+ offset = 2;
-+ if (priv->phy) {
-+ offset += priv->phy->pkt_align;
-+ }
-+ skb_reserve(skb, offset);
-+
- desc->skb = skb;
- desc->data_mapping = dma_map_single(&dev->dev, skb->data,
- CPMAC_SKB_SIZE,
CONFIG_DECOMPRESS_LZMA=y
CONFIG_DMA_NONCOHERENT=y
CONFIG_EARLY_PRINTK=y
+CONFIG_ETHERNET_PACKET_MANGLE=y
CONFIG_GENERIC_ATOMIC64=y
CONFIG_GENERIC_CLOCKEVENTS=y
CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
}
}
-static int ag71xx_rx_reserve(struct ag71xx *ag)
+struct sk_buff *ag71xx_rx_alloc(struct ag71xx *ag)
{
- int reserve = 0;
-
- if (ag71xx_get_pdata(ag)->is_ar724x) {
- if (!ag71xx_has_ar8216(ag))
- reserve = 2;
-
- if (ag->phy_dev)
- reserve += 4 - (ag->phy_dev->pkt_align % 4);
-
- reserve %= 4;
- }
+ /*
+ * On AR71xx/AR91xx packets must be 4-byte aligned.
+ *
+ * When using builtin AR8216 support, hardware adds a 2-byte header,
+ * so we don't need any extra alignment in that case.
+ */
+ if (!ag71xx_get_pdata(ag)->is_ar724x || ag71xx_has_ar8216(ag))
+ return netdev_alloc_skb(ag->dev, AG71XX_RX_PKT_SIZE);
- return reserve + AG71XX_RX_PKT_RESERVE;
+ return netdev_alloc_skb_ip_align(ag->dev, AG71XX_RX_PKT_SIZE);
}
static int ag71xx_ring_rx_init(struct ag71xx *ag)
{
struct ag71xx_ring *ring = &ag->rx_ring;
- unsigned int reserve = ag71xx_rx_reserve(ag);
unsigned int i;
int ret;
struct sk_buff *skb;
dma_addr_t dma_addr;
- skb = dev_alloc_skb(AG71XX_RX_PKT_SIZE + reserve);
+ skb = ag71xx_rx_alloc(ag);
if (!skb) {
ret = -ENOMEM;
break;
}
skb->dev = ag->dev;
- skb_reserve(skb, reserve);
-
dma_addr = dma_map_single(&ag->dev->dev, skb->data,
AG71XX_RX_PKT_SIZE,
DMA_FROM_DEVICE);
static int ag71xx_ring_rx_refill(struct ag71xx *ag)
{
struct ag71xx_ring *ring = &ag->rx_ring;
- unsigned int reserve = ag71xx_rx_reserve(ag);
unsigned int count;
count = 0;
dma_addr_t dma_addr;
struct sk_buff *skb;
- skb = dev_alloc_skb(AG71XX_RX_PKT_SIZE + reserve);
+ skb = ag71xx_rx_alloc(ag);
if (skb == NULL)
break;
- skb_reserve(skb, reserve);
skb->dev = ag->dev;
dma_addr = dma_map_single(&ag->dev->dev, skb->data,
} else {
skb->dev = dev;
skb->ip_summed = CHECKSUM_NONE;
- if (ag->phy_dev) {
- ag->phy_dev->netif_receive_skb(skb);
- } else {
- skb->protocol = eth_type_trans(skb, dev);
- netif_receive_skb(skb);
- }
+ skb->protocol = eth_type_trans(skb, dev);
+ netif_receive_skb(skb);
}
ring->buf[i].skb = NULL;
CONFIG_DECOMPRESS_LZMA=y
CONFIG_DMA_NONCOHERENT=y
CONFIG_EARLY_PRINTK=y
+CONFIG_ETHERNET_PACKET_MANGLE=y
CONFIG_GENERIC_ATOMIC64=y
CONFIG_GENERIC_CLOCKEVENTS=y
CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
+obj-$(CONFIG_NET_VENDOR_AR231X) += ar231x.o
--- /dev/null
+++ b/drivers/net/ethernet/ar231x/ar231x.c
-@@ -0,0 +1,1282 @@
+@@ -0,0 +1,1279 @@
+/*
+ * ar231x.c: Linux driver for the Atheros AR231x Ethernet device.
+ *
+ if (sp->rx_skb[idx])
+ break;
+
-+ skb = netdev_alloc_skb(dev, AR2313_BUFSIZE);
++ skb = netdev_alloc_skb_ip_align(dev, AR2313_BUFSIZE);
+ if (!skb) {
+ printk("\n\n\n\n %s: No memory in system\n\n\n\n",
+ __FUNCTION__);
+ * Make sure IP header starts on a fresh cache line.
+ */
+ skb->dev = dev;
-+ skb_reserve(skb, RX_OFFSET);
+ sp->rx_skb[idx] = skb;
+
+ rd = (ar231x_descr_t *) & sp->rx_ring[idx];
+
+ } else {
+ /* alloc new buffer. */
-+ skb_new = netdev_alloc_skb(dev, AR2313_BUFSIZE + RX_OFFSET);
++ skb_new = netdev_alloc_skb_ip_align(dev, AR2313_BUFSIZE);
+ if (skb_new != NULL) {
+
+ skb = sp->rx_skb[idx];
+ netif_rx(skb);
+
+ skb_new->dev = dev;
-+ /* 16 bit align */
-+ skb_reserve(skb_new, RX_OFFSET);
+ /* reset descriptor's curr_addr */
+ rxdesc->addr = virt_to_phys(skb_new->data);
+
+++ /dev/null
---- a/drivers/net/ethernet/ar231x/ar231x.c
-+++ b/drivers/net/ethernet/ar231x/ar231x.c
-@@ -745,6 +745,7 @@ static void ar231x_load_rx_ring(struct n
- for (i = 0; i < nr_bufs; i++) {
- struct sk_buff *skb;
- ar231x_descr_t *rd;
-+ int offset = RX_OFFSET;
-
- if (sp->rx_skb[idx])
- break;
-@@ -760,7 +761,9 @@ static void ar231x_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 = (ar231x_descr_t *) & sp->rx_ring[idx];
-@@ -834,20 +837,23 @@ static int ar231x_rx_int(struct net_devi
- /* alloc new buffer. */
- skb_new = netdev_alloc_skb(dev, AR2313_BUFSIZE + RX_OFFSET);
- if (skb_new != NULL) {
-+ int offset;
-
- skb = sp->rx_skb[idx];
- /* set skb */
- skb_put(skb,
- ((status >> DMA_RX_LEN_SHIFT) & 0x3fff) - CRC_LEN);
--
- dev->stats.rx_bytes += skb->len;
-- skb->protocol = eth_type_trans(skb, dev);
-- /* pass the packet to upper layers */
-- netif_rx(skb);
-
-+ /* pass the packet to upper layers */
-+ sp->rx(skb);
- skb_new->dev = dev;
-+
- /* 16 bit align */
-- skb_reserve(skb_new, RX_OFFSET);
-+ offset = RX_OFFSET;
-+ 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);
-
-@@ -1258,6 +1264,8 @@ static int ar231x_mdiobus_probe (struct
- return PTR_ERR(phydev);
- }
-
-+ sp->rx = phydev->netif_rx;
-+
- /* mask with MAC supported features */
- phydev->supported &= (SUPPORTED_10baseT_Half
- | SUPPORTED_10baseT_Full
---- a/drivers/net/ethernet/ar231x/ar231x.h
-+++ b/drivers/net/ethernet/ar231x/ar231x.h
-@@ -222,6 +222,8 @@ typedef struct {
- */
- struct ar231x_private {
- struct net_device *dev;
-+ int (*rx)(struct sk_buff *skb);
-+
- int version;
- u32 mb[2];
-
kfree(dev);
return 0;
}
-@@ -846,7 +864,12 @@ static int ar231x_rx_int(struct net_devi
- dev->stats.rx_bytes += skb->len;
-
- /* pass the packet to upper layers */
-- sp->rx(skb);
-+ if (sp->rx) {
-+ sp->rx(skb);
-+ } else {
-+ skb->protocol = eth_type_trans(skb, skb->dev);
-+ netif_rx(skb);
-+ }
- skb_new->dev = dev;
-
- /* 16 bit align */
-@@ -1142,6 +1165,9 @@ static int ar231x_ioctl(struct net_devic
+@@ -1133,6 +1151,9 @@ static int ar231x_ioctl(struct net_devic
struct ar231x_private *sp = netdev_priv(dev);
int ret;
}
}
-static int
-ar8216_mangle_tx(struct sk_buff *skb, struct net_device *dev)
+static struct sk_buff *
+ar8216_mangle_tx(struct net_device *dev, struct sk_buff *skb)
{
struct ar8216_priv *priv = dev->phy_ptr;
unsigned char *buf;
buf[1] = 0x80;
send:
- return priv->ndo_old->ndo_start_xmit(skb, dev);
+ return skb;
error:
dev_kfree_skb_any(skb);
- return 0;
+ return NULL;
}
-static int
-ar8216_mangle_rx(struct sk_buff *skb, int napi)
+static void
+ar8216_mangle_rx(struct net_device *dev, struct sk_buff *skb)
{
struct ar8216_priv *priv;
- struct net_device *dev;
unsigned char *buf;
int port, vlan;
- dev = skb->dev;
- if (!dev)
- goto error;
-
priv = dev->phy_ptr;
if (!priv)
- goto error;
+ return;
/* don't strip the header if vlan mode is disabled */
if (!priv->vlan)
- goto recv;
+ return;
/* strip header, get vlan id */
buf = skb->data;
/* check for vlan header presence */
if ((buf[12 + 2] != 0x81) || (buf[13 + 2] != 0x00))
- goto recv;
+ return;
port = buf[0] & 0xf;
/* no need to fix up packets coming from a tagged source */
if (priv->vlan_tagged & (1 << port))
- goto recv;
+ return;
/* lookup port vid from local table, the switch passes an invalid vlan id */
vlan = priv->vlan_id[priv->pvid[port]];
buf[14 + 2] &= 0xf0;
buf[14 + 2] |= vlan >> 8;
buf[15 + 2] = vlan & 0xff;
-
-recv:
- skb->protocol = eth_type_trans(skb, skb->dev);
-
- if (napi)
- return netif_receive_skb(skb);
- else
- return netif_rx(skb);
-
-error:
- /* no vlan? eat the packet! */
- dev_kfree_skb_any(skb);
- return NET_RX_DROP;
-}
-
-static int
-ar8216_netif_rx(struct sk_buff *skb)
-{
- return ar8216_mangle_rx(skb, 0);
-}
-
-static int
-ar8216_netif_receive_skb(struct sk_buff *skb)
-{
- return ar8216_mangle_rx(skb, 1);
}
static int
/* VID fixup only needed on ar8216 */
if (pdev->addr == 0 && priv->chip_type == AR8216) {
- pdev->pkt_align = 2;
- pdev->netif_receive_skb = ar8216_netif_receive_skb;
- pdev->netif_rx = ar8216_netif_rx;
- priv->ndo_old = dev->netdev_ops;
- memcpy(&priv->ndo, priv->ndo_old, sizeof(struct net_device_ops));
- priv->ndo.ndo_start_xmit = ar8216_mangle_tx;
- dev->netdev_ops = &priv->ndo;
+ dev->priv_flags |= IFF_NO_IP_ALIGN;
+ dev->eth_mangle_rx = ar8216_mangle_rx;
+ dev->eth_mangle_tx = ar8216_mangle_tx;
}
priv->init = false;
if (!priv)
return;
- if (priv->ndo_old && dev)
- dev->netdev_ops = priv->ndo_old;
+ dev->priv_flags &= ~IFF_NO_IP_ALIGN;
+ dev->eth_mangle_rx = NULL;
+ dev->eth_mangle_tx = NULL;
+
if (pdev->addr == 0)
unregister_switch(&priv->dev);
kfree(priv);
#define MVSWITCH_MAGIC 0x88E6060
struct mvswitch_priv {
- const struct net_device_ops *ndo_old;
- struct net_device_ops ndo;
+ netdev_features_t orig_features;
u8 vlans[16];
};
}
-static int
-mvswitch_mangle_tx(struct sk_buff *skb, struct net_device *dev)
+static struct sk_buff *
+mvswitch_mangle_tx(struct net_device *dev, struct sk_buff *skb)
{
struct mvswitch_priv *priv;
char *buf = NULL;
));
#endif
- return priv->ndo_old->ndo_start_xmit(skb, dev);
+ return skb;
error_expand:
if (net_ratelimit())
error:
/* any errors? drop the packet! */
dev_kfree_skb_any(skb);
- return 0;
+ return NULL;
}
-static int
-mvswitch_mangle_rx(struct sk_buff *skb, int napi)
+static void
+mvswitch_mangle_rx(struct net_device *dev, struct sk_buff *skb)
{
struct mvswitch_priv *priv;
- struct net_device *dev;
- int vlan = -1;
unsigned char *buf;
+ int vlan = -1;
int i;
- dev = skb->dev;
- if (!dev)
- goto error;
-
priv = dev->phy_ptr;
- if (!priv)
- goto error;
+ if (WARN_ON_ONCE(!priv))
+ return;
#ifdef HEADER_MODE
buf = skb->data;
#else
buf = skb->data + skb->len - MV_TRAILER_SIZE;
if (buf[0] != 0x80)
- goto error;
+ return;
#endif
/* look for the vlan matching the incoming port */
}
if (vlan == -1)
- goto error;
-
- skb->protocol = eth_type_trans(skb, skb->dev);
+ return;
__vlan_hwaccel_put_tag(skb, vlan);
- if (napi)
- return netif_receive_skb(skb);
- else
- return netif_rx(skb);
-
-error:
- /* no vlan? eat the packet! */
- dev_kfree_skb_any(skb);
- return 0;
-}
-
-
-static int
-mvswitch_netif_rx(struct sk_buff *skb)
-{
- return mvswitch_mangle_rx(skb, 0);
-}
-
-static int
-mvswitch_netif_receive_skb(struct sk_buff *skb)
-{
- return mvswitch_mangle_rx(skb, 1);
}
MV_SWITCHCTL_DROP
);
- /* hook into the tx function */
- priv->ndo_old = dev->netdev_ops;
- memcpy(&priv->ndo, priv->ndo_old, sizeof(struct net_device_ops));
- priv->ndo.ndo_start_xmit = mvswitch_mangle_tx;
- dev->netdev_ops = &priv->ndo;
+ dev->eth_mangle_rx = mvswitch_mangle_rx;
+ dev->eth_mangle_tx = mvswitch_mangle_tx;
+ priv->orig_features = dev->features;
- pdev->pkt_align = 2;
- pdev->netif_receive_skb = mvswitch_netif_receive_skb;
- pdev->netif_rx = mvswitch_netif_rx;
#ifdef HEADER_MODE
+ dev->priv_flags |= IFF_NO_IP_ALIGN;
dev->features |= NETIF_F_HW_VLAN_RX | NETIF_F_HW_VLAN_TX;
#else
dev->features |= NETIF_F_HW_VLAN_RX;
struct mvswitch_priv *priv = to_mvsw(pdev);
struct net_device *dev = pdev->attached_dev;
- /* restore old netdev ops */
- if (priv->ndo_old && dev)
- dev->netdev_ops = priv->ndo_old;
dev->phy_ptr = NULL;
- dev->features &= ~NETIF_F_HW_VLAN_RX;
+ dev->eth_mangle_rx = NULL;
+ dev->eth_mangle_tx = NULL;
+ dev->features = priv->orig_features;
+ dev->priv_flags &= ~IFF_NO_IP_ALIGN;
kfree(priv);
}
---- a/drivers/net/phy/phy_device.c
-+++ b/drivers/net/phy/phy_device.c
-@@ -149,6 +149,18 @@ int phy_scan_fixups(struct phy_device *p
- }
- EXPORT_SYMBOL(phy_scan_fixups);
+--- a/include/linux/netdevice.h
++++ b/include/linux/netdevice.h
+@@ -1103,6 +1103,11 @@ struct net_device {
+ const struct net_device_ops *netdev_ops;
+ const struct ethtool_ops *ethtool_ops;
-+static int generic_receive_skb(struct sk_buff *skb)
-+{
-+ skb->protocol = eth_type_trans(skb, skb->dev);
-+ return netif_receive_skb(skb);
-+}
++#ifdef CONFIG_ETHERNET_PACKET_MANGLE
++ void (*eth_mangle_rx)(struct net_device *dev, struct sk_buff *skb);
++ struct sk_buff *(*eth_mangle_tx)(struct net_device *dev, struct sk_buff *skb);
++#endif
+
-+static int generic_rx(struct sk_buff *skb)
-+{
-+ skb->protocol = eth_type_trans(skb, skb->dev);
-+ return netif_rx(skb);
-+}
-+
- static struct phy_device* phy_device_create(struct mii_bus *bus,
- int addr, int phy_id)
- {
-@@ -180,6 +192,8 @@ static struct phy_device* phy_device_cre
- dev_set_name(&dev->dev, PHY_ID_FMT, bus->id, addr);
-
- dev->state = PHY_DOWN;
-+ dev->netif_receive_skb = &generic_receive_skb;
-+ dev->netif_rx = &generic_rx;
-
- mutex_init(&dev->lock);
- INIT_DELAYED_WORK(&dev->state_queue, phy_state_machine);
---- a/include/linux/phy.h
-+++ b/include/linux/phy.h
-@@ -334,6 +334,20 @@ struct phy_device {
- void (*adjust_link)(struct net_device *dev);
-
- void (*adjust_state)(struct net_device *dev);
-+
-+ /*
-+ * By default these point to the original functions
-+ * with the same name. adding them to the phy_device
-+ * allows the phy driver to override them for packet
-+ * mangling if the ethernet driver supports it
-+ * This is required to support some really horrible
-+ * switches such as the Marvell 88E6060
-+ */
-+ 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)
+ /* Hardware header description */
+ const struct header_ops *header_ops;
---- a/include/linux/netdevice.h
-+++ b/include/linux/netdevice.h
-@@ -1158,6 +1158,7 @@ struct net_device {
+@@ -1158,6 +1163,9 @@ struct net_device {
void *ax25_ptr; /* AX.25 specific data */
struct wireless_dev *ieee80211_ptr; /* IEEE 802.11 specific data,
assign before registering */
++#ifdef CONFIG_ETHERNET_PACKET_MANGLE
+ void *phy_ptr; /* PHY device specific data */
++#endif
/*
* Cache lines mostly used on receive path (including eth_type_trans())
+--- a/include/linux/if.h
++++ b/include/linux/if.h
+@@ -79,6 +79,7 @@
+ #define IFF_TX_SKB_SHARING 0x10000 /* The interface supports sharing
+ * skbs on transmit */
+ #define IFF_UNICAST_FLT 0x20000 /* Supports unicast filtering */
++#define IFF_NO_IP_ALIGN 0x40000 /* do not ip-align allocated rx pkts */
+
+ #define IF_GET_IFACE 0x0001 /* for querying only */
+ #define IF_GET_PROTO 0x0002
+--- a/include/linux/skbuff.h
++++ b/include/linux/skbuff.h
+@@ -1636,6 +1636,10 @@ extern struct sk_buff *dev_alloc_skb(uns
+ extern struct sk_buff *__netdev_alloc_skb(struct net_device *dev,
+ unsigned int length, gfp_t gfp_mask);
+
++extern struct sk_buff *__netdev_alloc_skb_ip_align(struct net_device *dev,
++ unsigned int length, gfp_t gfp);
++
++
+ /**
+ * netdev_alloc_skb - allocate an skbuff for rx on a specific device
+ * @dev: network device to receive on
+@@ -1655,16 +1659,6 @@ static inline struct sk_buff *netdev_all
+ return __netdev_alloc_skb(dev, length, GFP_ATOMIC);
+ }
+
+-static inline struct sk_buff *__netdev_alloc_skb_ip_align(struct net_device *dev,
+- unsigned int length, gfp_t gfp)
+-{
+- struct sk_buff *skb = __netdev_alloc_skb(dev, length + NET_IP_ALIGN, gfp);
+-
+- if (NET_IP_ALIGN && skb)
+- skb_reserve(skb, NET_IP_ALIGN);
+- return skb;
+-}
+-
+ static inline struct sk_buff *netdev_alloc_skb_ip_align(struct net_device *dev,
+ unsigned int length)
+ {
+--- a/net/Kconfig
++++ b/net/Kconfig
+@@ -23,6 +23,12 @@ menuconfig NET
+
+ if NET
+
++config ETHERNET_PACKET_MANGLE
++ bool
++ help
++ This option can be selected by phy drivers that need to mangle
++ packets going in or out of an ethernet device.
++
+ config WANT_COMPAT_NETLINK_MESSAGES
+ bool
+ help
+--- a/net/core/dev.c
++++ b/net/core/dev.c
+@@ -2224,9 +2224,19 @@ int dev_hard_start_xmit(struct sk_buff *
+ }
+ }
+
+- skb_len = skb->len;
+- rc = ops->ndo_start_xmit(skb, dev);
+- trace_net_dev_xmit(skb, rc, dev, skb_len);
++#ifdef CONFIG_ETHERNET_PACKET_MANGLE
++ if (!dev->eth_mangle_tx ||
++ (skb = dev->eth_mangle_tx(dev, skb)) != NULL)
++#else
++ if (1)
++#endif
++ {
++ skb_len = skb->len;
++ rc = ops->ndo_start_xmit(skb, dev);
++ trace_net_dev_xmit(skb, rc, dev, skb_len);
++ } else {
++ rc = NETDEV_TX_OK;
++ }
+ if (rc == NETDEV_TX_OK)
+ txq_trans_update(txq);
+ return rc;
+@@ -2246,9 +2256,19 @@ gso:
+ if (dev->priv_flags & IFF_XMIT_DST_RELEASE)
+ skb_dst_drop(nskb);
+
+- skb_len = nskb->len;
+- rc = ops->ndo_start_xmit(nskb, dev);
+- trace_net_dev_xmit(nskb, rc, dev, skb_len);
++#ifdef CONFIG_ETHERNET_PACKET_MANGLE
++ if (!dev->eth_mangle_tx ||
++ (nskb = dev->eth_mangle_tx(dev, nskb)) != NULL)
++#else
++ if (1)
++#endif
++ {
++ skb_len = nskb->len;
++ rc = ops->ndo_start_xmit(nskb, dev);
++ trace_net_dev_xmit(nskb, rc, dev, skb_len);
++ } else {
++ rc = NETDEV_TX_OK;
++ }
+ if (unlikely(rc != NETDEV_TX_OK)) {
+ if (rc & ~NETDEV_TX_MASK)
+ goto out_kfree_gso_skb;
+--- a/net/core/skbuff.c
++++ b/net/core/skbuff.c
+@@ -271,6 +271,22 @@ struct sk_buff *__netdev_alloc_skb(struc
+ }
+ EXPORT_SYMBOL(__netdev_alloc_skb);
+
++struct sk_buff *__netdev_alloc_skb_ip_align(struct net_device *dev,
++ unsigned int length, gfp_t gfp)
++{
++ struct sk_buff *skb = __netdev_alloc_skb(dev, length + NET_IP_ALIGN, gfp);
++
++#ifdef CONFIG_ETHERNET_PACKET_MANGLE
++ if (dev->priv_flags & IFF_NO_IP_ALIGN)
++ return skb;
++#endif
++
++ if (NET_IP_ALIGN && skb)
++ skb_reserve(skb, NET_IP_ALIGN);
++ return skb;
++}
++EXPORT_SYMBOL(__netdev_alloc_skb_ip_align);
++
+ void skb_add_rx_frag(struct sk_buff *skb, int i, struct page *page, int off,
+ int size)
+ {
+--- a/net/ethernet/eth.c
++++ b/net/ethernet/eth.c
+@@ -160,6 +160,12 @@ __be16 eth_type_trans(struct sk_buff *sk
+ struct ethhdr *eth;
+
+ skb->dev = dev;
++
++#ifdef CONFIG_ETHERNET_PACKET_MANGLE
++ if (dev->eth_mangle_rx)
++ dev->eth_mangle_rx(dev, skb);
++#endif
++
+ skb_reset_mac_header(skb);
+ skb_pull_inline(skb, ETH_HLEN);
+ eth = eth_hdr(skb);
--- a/drivers/net/phy/Kconfig
+++ b/drivers/net/phy/Kconfig
-@@ -113,6 +113,9 @@ config ADM6996_PHY
+@@ -113,6 +113,10 @@ config ADM6996_PHY
Currently supports the ADM6996FC and ADM6996M switches.
Support for FC is very limited.
+config MVSWITCH_PHY
+ tristate "Driver for Marvell 88E6060 switches"
++ select ETHERNET_PACKET_MANGLE
+
config FIXED_PHY
bool "Driver for MDIO Bus/PHY emulation with fixed speed/link PHYs"
--- a/drivers/net/phy/Kconfig
+++ b/drivers/net/phy/Kconfig
-@@ -116,6 +116,10 @@ config ADM6996_PHY
- config MVSWITCH_PHY
+@@ -117,6 +117,10 @@ config MVSWITCH_PHY
tristate "Driver for Marvell 88E6060 switches"
+ select ETHERNET_PACKET_MANGLE
+config IP17XX_PHY
+ tristate "Driver for IC+ IP17xx switches"
--- a/drivers/net/phy/Kconfig
+++ b/drivers/net/phy/Kconfig
-@@ -120,6 +120,10 @@ config IP17XX_PHY
+@@ -121,6 +121,11 @@ config IP17XX_PHY
tristate "Driver for IC+ IP17xx switches"
select SWCONFIG
+config AR8216_PHY
+ tristate "Driver for Atheros AR8216 switches"
++ select ETHERNET_PACKET_MANGLE
+ select SWCONFIG
+
config FIXED_PHY
--- a/drivers/net/phy/Kconfig
+++ b/drivers/net/phy/Kconfig
-@@ -124,6 +124,10 @@ config AR8216_PHY
- tristate "Driver for Atheros AR8216 switches"
+@@ -126,6 +126,10 @@ config AR8216_PHY
+ select ETHERNET_PACKET_MANGLE
select SWCONFIG
+config RTL8306_PHY
--- a/drivers/net/phy/Kconfig
+++ b/drivers/net/phy/Kconfig
-@@ -166,4 +166,29 @@ config MDIO_OCTEON
+@@ -168,4 +168,29 @@ config MDIO_OCTEON
If in doubt, say Y.
--- a/drivers/net/phy/Kconfig
+++ b/drivers/net/phy/Kconfig
-@@ -183,6 +183,10 @@ config RTL8366RB_PHY
+@@ -185,6 +185,10 @@ config RTL8366RB_PHY
tristate "Driver for the Realtek RTL8366RB switch"
select SWCONFIG
--- a/drivers/net/phy/Kconfig
+++ b/drivers/net/phy/Kconfig
-@@ -128,6 +128,11 @@ config RTL8306_PHY
+@@ -130,6 +130,11 @@ config RTL8306_PHY
tristate "Driver for Realtek RTL8306S switches"
select SWCONFIG
--- a/drivers/net/wireless/hostap/hostap_ap.c
+++ b/drivers/net/wireless/hostap/hostap_ap.c
-@@ -2340,13 +2340,13 @@ int prism2_ap_get_sta_qual(local_info_t
+@@ -2340,13 +2340,13 @@ int prism2_ap_get_sta_qual(local_info_t
addr[count].sa_family = ARPHRD_ETHER;
memcpy(addr[count].sa_data, sta->addr, ETH_ALEN);
if (sta->last_rx_silence == 0)
endif # NEW_LEDS
--- a/drivers/leds/Makefile
+++ b/drivers/leds/Makefile
-@@ -54,3 +54,4 @@ obj-$(CONFIG_LEDS_TRIGGER_HEARTBEAT) +=
+@@ -54,3 +54,4 @@ obj-$(CONFIG_LEDS_TRIGGER_HEARTBEAT) +=
obj-$(CONFIG_LEDS_TRIGGER_BACKLIGHT) += ledtrig-backlight.o
obj-$(CONFIG_LEDS_TRIGGER_GPIO) += ledtrig-gpio.o
obj-$(CONFIG_LEDS_TRIGGER_DEFAULT_ON) += ledtrig-default-on.o
endif # NEW_LEDS
--- a/drivers/leds/Makefile
+++ b/drivers/leds/Makefile
-@@ -55,3 +55,4 @@ obj-$(CONFIG_LEDS_TRIGGER_BACKLIGHT) +=
+@@ -55,3 +55,4 @@ obj-$(CONFIG_LEDS_TRIGGER_BACKLIGHT) +=
obj-$(CONFIG_LEDS_TRIGGER_GPIO) += ledtrig-gpio.o
obj-$(CONFIG_LEDS_TRIGGER_DEFAULT_ON) += ledtrig-default-on.o
obj-$(CONFIG_LEDS_TRIGGER_MORSE) += ledtrig-morse.o
* All of these routines try to estimate how many bits of randomness a
* particular randomness source. They do this by keeping track of the
* first and second order deltas of the event timings.
-@@ -722,6 +732,63 @@ void add_disk_randomness(struct gendisk
+@@ -722,6 +732,63 @@ void add_disk_randomness(struct gendisk
}
#endif
+EXPORT_SYMBOL_GPL(twd_timer_get_rate);
--- a/drivers/watchdog/mpcore_wdt.c
+++ b/drivers/watchdog/mpcore_wdt.c
-@@ -99,9 +99,7 @@ static void mpcore_wdt_keepalive(struct
+@@ -99,9 +99,7 @@ static void mpcore_wdt_keepalive(struct
spin_lock(&wdt_lock);
/* Assume prescale is set to 256 */
---- a/drivers/net/phy/phy_device.c
-+++ b/drivers/net/phy/phy_device.c
-@@ -149,6 +149,18 @@ int phy_scan_fixups(struct phy_device *p
- }
- EXPORT_SYMBOL(phy_scan_fixups);
+--- a/include/linux/netdevice.h
++++ b/include/linux/netdevice.h
+@@ -1078,6 +1078,11 @@ struct net_device {
+ const struct net_device_ops *netdev_ops;
+ const struct ethtool_ops *ethtool_ops;
-+static int generic_receive_skb(struct sk_buff *skb)
-+{
-+ skb->protocol = eth_type_trans(skb, skb->dev);
-+ return netif_receive_skb(skb);
-+}
++#ifdef CONFIG_ETHERNET_PACKET_MANGLE
++ void (*eth_mangle_rx)(struct net_device *dev, struct sk_buff *skb);
++ struct sk_buff *(*eth_mangle_tx)(struct net_device *dev, struct sk_buff *skb);
++#endif
+
-+static int generic_rx(struct sk_buff *skb)
-+{
-+ skb->protocol = eth_type_trans(skb, skb->dev);
-+ return netif_rx(skb);
-+}
-+
- static struct phy_device* phy_device_create(struct mii_bus *bus,
- int addr, int phy_id)
- {
-@@ -180,6 +192,8 @@ static struct phy_device* phy_device_cre
- dev_set_name(&dev->dev, PHY_ID_FMT, bus->id, addr);
-
- dev->state = PHY_DOWN;
-+ dev->netif_receive_skb = &generic_receive_skb;
-+ dev->netif_rx = &generic_rx;
-
- mutex_init(&dev->lock);
- INIT_DELAYED_WORK(&dev->state_queue, phy_state_machine);
---- a/include/linux/phy.h
-+++ b/include/linux/phy.h
-@@ -339,6 +339,20 @@ struct phy_device {
- void (*adjust_link)(struct net_device *dev);
-
- void (*adjust_state)(struct net_device *dev);
-+
-+ /*
-+ * By default these point to the original functions
-+ * with the same name. adding them to the phy_device
-+ * allows the phy driver to override them for packet
-+ * mangling if the ethernet driver supports it
-+ * This is required to support some really horrible
-+ * switches such as the Marvell 88E6060
-+ */
-+ 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)
+ /* Hardware header description */
+ const struct header_ops *header_ops;
---- a/include/linux/netdevice.h
-+++ b/include/linux/netdevice.h
-@@ -1134,6 +1134,7 @@ struct net_device {
+@@ -1134,6 +1139,9 @@ struct net_device {
void *ax25_ptr; /* AX.25 specific data */
struct wireless_dev *ieee80211_ptr; /* IEEE 802.11 specific data,
assign before registering */
++#ifdef CONFIG_ETHERNET_PACKET_MANGLE
+ void *phy_ptr; /* PHY device specific data */
++#endif
/*
* Cache lines mostly used on receive path (including eth_type_trans())
+--- a/include/linux/if.h
++++ b/include/linux/if.h
+@@ -80,6 +80,7 @@
+ * skbs on transmit */
+ #define IFF_UNICAST_FLT 0x20000 /* Supports unicast filtering */
+ #define IFF_TEAM_PORT 0x40000 /* device used as team port */
++#define IFF_NO_IP_ALIGN 0x80000 /* do not ip-align allocated rx pkts */
+
+ #define IF_GET_IFACE 0x0001 /* for querying only */
+ #define IF_GET_PROTO 0x0002
+--- a/include/linux/skbuff.h
++++ b/include/linux/skbuff.h
+@@ -1661,6 +1661,10 @@ extern struct sk_buff *dev_alloc_skb(uns
+ extern struct sk_buff *__netdev_alloc_skb(struct net_device *dev,
+ unsigned int length, gfp_t gfp_mask);
+
++extern struct sk_buff *__netdev_alloc_skb_ip_align(struct net_device *dev,
++ unsigned int length, gfp_t gfp);
++
++
+ /**
+ * netdev_alloc_skb - allocate an skbuff for rx on a specific device
+ * @dev: network device to receive on
+@@ -1680,16 +1684,6 @@ static inline struct sk_buff *netdev_all
+ return __netdev_alloc_skb(dev, length, GFP_ATOMIC);
+ }
+
+-static inline struct sk_buff *__netdev_alloc_skb_ip_align(struct net_device *dev,
+- unsigned int length, gfp_t gfp)
+-{
+- struct sk_buff *skb = __netdev_alloc_skb(dev, length + NET_IP_ALIGN, gfp);
+-
+- if (NET_IP_ALIGN && skb)
+- skb_reserve(skb, NET_IP_ALIGN);
+- return skb;
+-}
+-
+ static inline struct sk_buff *netdev_alloc_skb_ip_align(struct net_device *dev,
+ unsigned int length)
+ {
+--- a/net/Kconfig
++++ b/net/Kconfig
+@@ -23,6 +23,12 @@ menuconfig NET
+
+ if NET
+
++config ETHERNET_PACKET_MANGLE
++ bool
++ help
++ This option can be selected by phy drivers that need to mangle
++ packets going in or out of an ethernet device.
++
+ config WANT_COMPAT_NETLINK_MESSAGES
+ bool
+ help
+--- a/net/core/dev.c
++++ b/net/core/dev.c
+@@ -2246,9 +2246,19 @@ int dev_hard_start_xmit(struct sk_buff *
+ }
+ }
+
+- skb_len = skb->len;
+- rc = ops->ndo_start_xmit(skb, dev);
+- trace_net_dev_xmit(skb, rc, dev, skb_len);
++#ifdef CONFIG_ETHERNET_PACKET_MANGLE
++ if (!dev->eth_mangle_tx ||
++ (skb = dev->eth_mangle_tx(dev, skb)) != NULL)
++#else
++ if (1)
++#endif
++ {
++ skb_len = skb->len;
++ rc = ops->ndo_start_xmit(skb, dev);
++ trace_net_dev_xmit(skb, rc, dev, skb_len);
++ } else {
++ rc = NETDEV_TX_OK;
++ }
+ if (rc == NETDEV_TX_OK)
+ txq_trans_update(txq);
+ return rc;
+@@ -2268,9 +2278,19 @@ gso:
+ if (dev->priv_flags & IFF_XMIT_DST_RELEASE)
+ skb_dst_drop(nskb);
+
+- skb_len = nskb->len;
+- rc = ops->ndo_start_xmit(nskb, dev);
+- trace_net_dev_xmit(nskb, rc, dev, skb_len);
++#ifdef CONFIG_ETHERNET_PACKET_MANGLE
++ if (!dev->eth_mangle_tx ||
++ (nskb = dev->eth_mangle_tx(dev, nskb)) != NULL)
++#else
++ if (1)
++#endif
++ {
++ skb_len = nskb->len;
++ rc = ops->ndo_start_xmit(nskb, dev);
++ trace_net_dev_xmit(nskb, rc, dev, skb_len);
++ } else {
++ rc = NETDEV_TX_OK;
++ }
+ if (unlikely(rc != NETDEV_TX_OK)) {
+ if (rc & ~NETDEV_TX_MASK)
+ goto out_kfree_gso_skb;
+--- a/net/core/skbuff.c
++++ b/net/core/skbuff.c
+@@ -58,6 +58,7 @@
+ #include <linux/scatterlist.h>
+ #include <linux/errqueue.h>
+ #include <linux/prefetch.h>
++#include <linux/if.h>
+
+ #include <net/protocol.h>
+ #include <net/dst.h>
+@@ -320,6 +321,22 @@ struct sk_buff *__netdev_alloc_skb(struc
+ }
+ EXPORT_SYMBOL(__netdev_alloc_skb);
+
++struct sk_buff *__netdev_alloc_skb_ip_align(struct net_device *dev,
++ unsigned int length, gfp_t gfp)
++{
++ struct sk_buff *skb = __netdev_alloc_skb(dev, length + NET_IP_ALIGN, gfp);
++
++#ifdef CONFIG_ETHERNET_PACKET_MANGLE
++ if (dev->priv_flags & IFF_NO_IP_ALIGN)
++ return skb;
++#endif
++
++ if (NET_IP_ALIGN && skb)
++ skb_reserve(skb, NET_IP_ALIGN);
++ return skb;
++}
++EXPORT_SYMBOL(__netdev_alloc_skb_ip_align);
++
+ void skb_add_rx_frag(struct sk_buff *skb, int i, struct page *page, int off,
+ int size)
+ {
+--- a/net/ethernet/eth.c
++++ b/net/ethernet/eth.c
+@@ -160,6 +160,12 @@ __be16 eth_type_trans(struct sk_buff *sk
+ struct ethhdr *eth;
+
+ skb->dev = dev;
++
++#ifdef CONFIG_ETHERNET_PACKET_MANGLE
++ if (dev->eth_mangle_rx)
++ dev->eth_mangle_rx(dev, skb);
++#endif
++
+ skb_reset_mac_header(skb);
+ skb_pull_inline(skb, ETH_HLEN);
+ eth = eth_hdr(skb);
--- a/drivers/net/phy/Kconfig
+++ b/drivers/net/phy/Kconfig
-@@ -113,6 +113,9 @@ config ADM6996_PHY
+@@ -113,6 +113,10 @@ config ADM6996_PHY
Currently supports the ADM6996FC and ADM6996M switches.
Support for FC is very limited.
+config MVSWITCH_PHY
+ tristate "Driver for Marvell 88E6060 switches"
++ select ETHERNET_PACKET_MANGLE
+
config FIXED_PHY
bool "Driver for MDIO Bus/PHY emulation with fixed speed/link PHYs"
--- a/drivers/net/phy/Kconfig
+++ b/drivers/net/phy/Kconfig
-@@ -116,6 +116,10 @@ config ADM6996_PHY
- config MVSWITCH_PHY
+@@ -117,6 +117,10 @@ config MVSWITCH_PHY
tristate "Driver for Marvell 88E6060 switches"
+ select ETHERNET_PACKET_MANGLE
+config IP17XX_PHY
+ tristate "Driver for IC+ IP17xx switches"
--- a/drivers/net/phy/Kconfig
+++ b/drivers/net/phy/Kconfig
-@@ -120,6 +120,10 @@ config IP17XX_PHY
+@@ -121,6 +121,11 @@ config IP17XX_PHY
tristate "Driver for IC+ IP17xx switches"
select SWCONFIG
+config AR8216_PHY
+ tristate "Driver for Atheros AR8216 switches"
++ select ETHERNET_PACKET_MANGLE
+ select SWCONFIG
+
config FIXED_PHY
--- a/drivers/net/phy/Kconfig
+++ b/drivers/net/phy/Kconfig
-@@ -124,6 +124,10 @@ config AR8216_PHY
- tristate "Driver for Atheros AR8216 switches"
+@@ -126,6 +126,10 @@ config AR8216_PHY
+ select ETHERNET_PACKET_MANGLE
select SWCONFIG
+config RTL8306_PHY
--- a/drivers/net/phy/Kconfig
+++ b/drivers/net/phy/Kconfig
-@@ -166,6 +166,31 @@ config MDIO_OCTEON
+@@ -168,6 +168,31 @@ config MDIO_OCTEON
If in doubt, say Y.
--- a/drivers/net/phy/Kconfig
+++ b/drivers/net/phy/Kconfig
-@@ -183,6 +183,10 @@ config RTL8366RB_PHY
+@@ -185,6 +185,10 @@ config RTL8366RB_PHY
tristate "Driver for the Realtek RTL8366RB switch"
select SWCONFIG
--- a/drivers/net/phy/Kconfig
+++ b/drivers/net/phy/Kconfig
-@@ -128,6 +128,11 @@ config RTL8306_PHY
+@@ -130,6 +130,11 @@ config RTL8306_PHY
tristate "Driver for Realtek RTL8306S switches"
select SWCONFIG
--- a/drivers/net/wireless/hostap/hostap_ap.c
+++ b/drivers/net/wireless/hostap/hostap_ap.c
-@@ -2340,13 +2340,13 @@ int prism2_ap_get_sta_qual(local_info_t
+@@ -2340,13 +2340,13 @@ int prism2_ap_get_sta_qual(local_info_t
addr[count].sa_family = ARPHRD_ETHER;
memcpy(addr[count].sa_data, sta->addr, ETH_ALEN);
if (sta->last_rx_silence == 0)
endif # NEW_LEDS
--- a/drivers/leds/Makefile
+++ b/drivers/leds/Makefile
-@@ -57,3 +57,4 @@ obj-$(CONFIG_LEDS_TRIGGER_HEARTBEAT) +=
+@@ -57,3 +57,4 @@ obj-$(CONFIG_LEDS_TRIGGER_HEARTBEAT) +=
obj-$(CONFIG_LEDS_TRIGGER_BACKLIGHT) += ledtrig-backlight.o
obj-$(CONFIG_LEDS_TRIGGER_GPIO) += ledtrig-gpio.o
obj-$(CONFIG_LEDS_TRIGGER_DEFAULT_ON) += ledtrig-default-on.o
endif # NEW_LEDS
--- a/drivers/leds/Makefile
+++ b/drivers/leds/Makefile
-@@ -58,3 +58,4 @@ obj-$(CONFIG_LEDS_TRIGGER_BACKLIGHT) +=
+@@ -58,3 +58,4 @@ obj-$(CONFIG_LEDS_TRIGGER_BACKLIGHT) +=
obj-$(CONFIG_LEDS_TRIGGER_GPIO) += ledtrig-gpio.o
obj-$(CONFIG_LEDS_TRIGGER_DEFAULT_ON) += ledtrig-default-on.o
obj-$(CONFIG_LEDS_TRIGGER_MORSE) += ledtrig-morse.o
* All of these routines try to estimate how many bits of randomness a
* particular randomness source. They do this by keeping track of the
* first and second order deltas of the event timings.
-@@ -726,6 +736,63 @@ void add_disk_randomness(struct gendisk
+@@ -726,6 +736,63 @@ void add_disk_randomness(struct gendisk
}
#endif
pluto MACH_PLUTO PLUTO 3869
acfx100 MACH_ACFX100 ACFX100 3870
msm8625_rumi3 MACH_MSM8625_RUMI3 MSM8625_RUMI3 3871
-@@ -1161,6 +3833,8 @@ valente_wx MACH_VALENTE_WX VALENTE_WX
+@@ -1161,6 +3833,8 @@ valente_wx MACH_VALENTE_WX VALENTE_WX
huangshans MACH_HUANGSHANS HUANGSHANS 3879
bosphorus1 MACH_BOSPHORUS1 BOSPHORUS1 3880
prima MACH_PRIMA PRIMA 3881
+EXPORT_SYMBOL_GPL(twd_timer_get_rate);
--- a/drivers/watchdog/mpcore_wdt.c
+++ b/drivers/watchdog/mpcore_wdt.c
-@@ -99,9 +99,7 @@ static void mpcore_wdt_keepalive(struct
+@@ -99,9 +99,7 @@ static void mpcore_wdt_keepalive(struct
spin_lock(&wdt_lock);
/* Assume prescale is set to 256 */
+++ /dev/null
---- a/drivers/net/ethernet/lantiq_etop.c
-+++ b/drivers/net/ethernet/lantiq_etop.c
-@@ -188,8 +188,12 @@ ltq_etop_hw_receive(struct ltq_etop_chan
-
- skb_put(skb, len);
- skb->dev = ch->netdev;
-- skb->protocol = eth_type_trans(skb, ch->netdev);
-- netif_receive_skb(skb);
-+ if (priv->phydev && priv->phydev->netif_receive_skb) {
-+ priv->phydev->netif_receive_skb(skb);
-+ } else {
-+ skb->protocol = eth_type_trans(skb, ch->netdev);
-+ netif_receive_skb(skb);
-+ }
- }
-
- static int
projects / openwrt / svn-archive / archive.git / commitdiff