diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-01-09 01:25:41 +0300 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-01-09 01:25:41 +0300 |
commit | 5fbbf5f648a9c4ef99276854f05b2255d1b004d3 (patch) | |
tree | 59c9ae762c3df2800e894001b3de58c5f1972486 /net | |
parent | ce279e6ec91c49f2c5f59f7492e19d39edbf8bbd (diff) | |
parent | 56cf391a9462a4897ea660a6af3662dda5ae8c84 (diff) | |
download | linux-5fbbf5f648a9c4ef99276854f05b2255d1b004d3.tar.xz |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (84 commits)
wimax: fix kernel-doc for debufs_dentry member of struct wimax_dev
net: convert pegasus driver to net_device_ops
bnx2x: Prevent eeprom set when driver is down
net: switch kaweth driver to netdevops
pcnet32: round off carrier watch timer
i2400m/usb: wrap USB power saving in #ifdef CONFIG_PM
wimax: testing for rfkill support should also test for CONFIG_RFKILL_MODULE
wimax: fix kconfig interactions with rfkill and input layers
wimax: fix '#ifndef CONFIG_BUG' layout to avoid warning
r6040: bump release number to 0.20
r6040: warn about MAC address being unset
r6040: check PHY status when bringing interface up
r6040: make printks consistent with DRV_NAME
gianfar: Fixup use of BUS_ID_SIZE
mlx4_en: Returning real Max in get_ringparam
mlx4_en: Consider inline packets on completion
netdev: bfin_mac: enable bfin_mac net dev driver for BF51x
qeth: convert to net_device_ops
vlan: add neigh_setup
dm9601: warn on invalid mac address
...
Diffstat (limited to 'net')
-rw-r--r-- | net/8021q/vlan_core.c | 111 | ||||
-rw-r--r-- | net/8021q/vlan_dev.c | 14 | ||||
-rw-r--r-- | net/appletalk/aarp.c | 5 | ||||
-rw-r--r-- | net/bluetooth/bnep/bnep.h | 1 | ||||
-rw-r--r-- | net/bluetooth/bnep/core.c | 12 | ||||
-rw-r--r-- | net/bluetooth/bnep/netdev.c | 33 | ||||
-rw-r--r-- | net/can/af_can.c | 15 | ||||
-rw-r--r-- | net/can/bcm.c | 12 | ||||
-rw-r--r-- | net/can/raw.c | 15 | ||||
-rw-r--r-- | net/core/dev.c | 82 | ||||
-rw-r--r-- | net/dsa/slave.c | 51 | ||||
-rw-r--r-- | net/ipv4/tcp.c | 2 | ||||
-rw-r--r-- | net/ipv6/af_inet6.c | 107 | ||||
-rw-r--r-- | net/ipv6/tcp_ipv6.c | 45 | ||||
-rw-r--r-- | net/phonet/pep-gprs.c | 12 | ||||
-rw-r--r-- | net/sched/sch_teql.c | 20 | ||||
-rw-r--r-- | net/wimax/Kconfig | 14 | ||||
-rw-r--r-- | net/wimax/id-table.c | 8 | ||||
-rw-r--r-- | net/wimax/op-rfkill.c | 2 | ||||
-rw-r--r-- | net/wireless/wext.c | 4 |
20 files changed, 432 insertions, 133 deletions
diff --git a/net/8021q/vlan_core.c b/net/8021q/vlan_core.c index dd86a1dc4cd0..6c1323940263 100644 --- a/net/8021q/vlan_core.c +++ b/net/8021q/vlan_core.c @@ -3,46 +3,35 @@ #include <linux/if_vlan.h> #include "vlan.h" -struct vlan_hwaccel_cb { - struct net_device *dev; -}; - -static inline struct vlan_hwaccel_cb *vlan_hwaccel_cb(struct sk_buff *skb) -{ - return (struct vlan_hwaccel_cb *)skb->cb; -} - /* VLAN rx hw acceleration helper. This acts like netif_{rx,receive_skb}(). */ int __vlan_hwaccel_rx(struct sk_buff *skb, struct vlan_group *grp, u16 vlan_tci, int polling) { - struct vlan_hwaccel_cb *cb = vlan_hwaccel_cb(skb); - - if (skb_bond_should_drop(skb)) { - dev_kfree_skb_any(skb); - return NET_RX_DROP; - } + if (skb_bond_should_drop(skb)) + goto drop; skb->vlan_tci = vlan_tci; - cb->dev = vlan_group_get_device(grp, vlan_tci & VLAN_VID_MASK); + skb->dev = vlan_group_get_device(grp, vlan_tci & VLAN_VID_MASK); + + if (!skb->dev) + goto drop; return (polling ? netif_receive_skb(skb) : netif_rx(skb)); + +drop: + dev_kfree_skb_any(skb); + return NET_RX_DROP; } EXPORT_SYMBOL(__vlan_hwaccel_rx); int vlan_hwaccel_do_receive(struct sk_buff *skb) { - struct vlan_hwaccel_cb *cb = vlan_hwaccel_cb(skb); - struct net_device *dev = cb->dev; + struct net_device *dev = skb->dev; struct net_device_stats *stats; + skb->dev = vlan_dev_info(dev)->real_dev; netif_nit_deliver(skb); - if (dev == NULL) { - kfree_skb(skb); - return -1; - } - skb->dev = dev; skb->priority = vlan_get_ingress_priority(dev, skb->vlan_tci); skb->vlan_tci = 0; @@ -80,3 +69,79 @@ u16 vlan_dev_vlan_id(const struct net_device *dev) return vlan_dev_info(dev)->vlan_id; } EXPORT_SYMBOL_GPL(vlan_dev_vlan_id); + +static int vlan_gro_common(struct napi_struct *napi, struct vlan_group *grp, + unsigned int vlan_tci, struct sk_buff *skb) +{ + struct sk_buff *p; + + if (skb_bond_should_drop(skb)) + goto drop; + + skb->vlan_tci = vlan_tci; + skb->dev = vlan_group_get_device(grp, vlan_tci & VLAN_VID_MASK); + + if (!skb->dev) + goto drop; + + for (p = napi->gro_list; p; p = p->next) { + NAPI_GRO_CB(p)->same_flow = p->dev == skb->dev; + NAPI_GRO_CB(p)->flush = 0; + } + + return dev_gro_receive(napi, skb); + +drop: + return 2; +} + +int vlan_gro_receive(struct napi_struct *napi, struct vlan_group *grp, + unsigned int vlan_tci, struct sk_buff *skb) +{ + int err = NET_RX_SUCCESS; + + switch (vlan_gro_common(napi, grp, vlan_tci, skb)) { + case -1: + return netif_receive_skb(skb); + + case 2: + err = NET_RX_DROP; + /* fall through */ + + case 1: + kfree_skb(skb); + break; + } + + return err; +} +EXPORT_SYMBOL(vlan_gro_receive); + +int vlan_gro_frags(struct napi_struct *napi, struct vlan_group *grp, + unsigned int vlan_tci, struct napi_gro_fraginfo *info) +{ + struct sk_buff *skb = napi_fraginfo_skb(napi, info); + int err = NET_RX_DROP; + + if (!skb) + goto out; + + err = NET_RX_SUCCESS; + + switch (vlan_gro_common(napi, grp, vlan_tci, skb)) { + case -1: + return netif_receive_skb(skb); + + case 2: + err = NET_RX_DROP; + /* fall through */ + + case 1: + napi_reuse_skb(napi, skb); + break; + } + +out: + return err; +} +EXPORT_SYMBOL(vlan_gro_frags); diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c index 89a3bbdfca3f..4a19acd3a32b 100644 --- a/net/8021q/vlan_dev.c +++ b/net/8021q/vlan_dev.c @@ -546,6 +546,18 @@ static int vlan_dev_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) return err; } +static int vlan_dev_neigh_setup(struct net_device *dev, struct neigh_parms *pa) +{ + struct net_device *real_dev = vlan_dev_info(dev)->real_dev; + const struct net_device_ops *ops = real_dev->netdev_ops; + int err = 0; + + if (netif_device_present(real_dev) && ops->ndo_neigh_setup) + err = ops->ndo_neigh_setup(dev, pa); + + return err; +} + static void vlan_dev_change_rx_flags(struct net_device *dev, int change) { struct net_device *real_dev = vlan_dev_info(dev)->real_dev; @@ -713,6 +725,7 @@ static const struct net_device_ops vlan_netdev_ops = { .ndo_set_multicast_list = vlan_dev_set_rx_mode, .ndo_change_rx_flags = vlan_dev_change_rx_flags, .ndo_do_ioctl = vlan_dev_ioctl, + .ndo_neigh_setup = vlan_dev_neigh_setup, }; static const struct net_device_ops vlan_netdev_accel_ops = { @@ -728,6 +741,7 @@ static const struct net_device_ops vlan_netdev_accel_ops = { .ndo_set_multicast_list = vlan_dev_set_rx_mode, .ndo_change_rx_flags = vlan_dev_change_rx_flags, .ndo_do_ioctl = vlan_dev_ioctl, + .ndo_neigh_setup = vlan_dev_neigh_setup, }; void vlan_setup(struct net_device *dev) diff --git a/net/appletalk/aarp.c b/net/appletalk/aarp.c index b03ff58e9308..89f99d3beb60 100644 --- a/net/appletalk/aarp.c +++ b/net/appletalk/aarp.c @@ -443,13 +443,14 @@ static void aarp_send_probe_phase1(struct atalk_iface *iface) { struct ifreq atreq; struct sockaddr_at *sa = (struct sockaddr_at *)&atreq.ifr_addr; + const struct net_device_ops *ops = iface->dev->netdev_ops; sa->sat_addr.s_node = iface->address.s_node; sa->sat_addr.s_net = ntohs(iface->address.s_net); /* We pass the Net:Node to the drivers/cards by a Device ioctl. */ - if (!(iface->dev->do_ioctl(iface->dev, &atreq, SIOCSIFADDR))) { - (void)iface->dev->do_ioctl(iface->dev, &atreq, SIOCGIFADDR); + if (!(ops->ndo_do_ioctl(iface->dev, &atreq, SIOCSIFADDR))) { + ops->ndo_do_ioctl(iface->dev, &atreq, SIOCGIFADDR); if (iface->address.s_net != htons(sa->sat_addr.s_net) || iface->address.s_node != sa->sat_addr.s_node) iface->status |= ATIF_PROBE_FAIL; diff --git a/net/bluetooth/bnep/bnep.h b/net/bluetooth/bnep/bnep.h index d20f8a40f36e..0d9e506f5d5a 100644 --- a/net/bluetooth/bnep/bnep.h +++ b/net/bluetooth/bnep/bnep.h @@ -165,7 +165,6 @@ struct bnep_session { struct socket *sock; struct net_device *dev; - struct net_device_stats stats; }; void bnep_net_setup(struct net_device *dev); diff --git a/net/bluetooth/bnep/core.c b/net/bluetooth/bnep/core.c index 70fea8bdb4e5..52a6ce0d772b 100644 --- a/net/bluetooth/bnep/core.c +++ b/net/bluetooth/bnep/core.c @@ -306,7 +306,7 @@ static inline int bnep_rx_frame(struct bnep_session *s, struct sk_buff *skb) struct sk_buff *nskb; u8 type; - s->stats.rx_bytes += skb->len; + dev->stats.rx_bytes += skb->len; type = *(u8 *) skb->data; skb_pull(skb, 1); @@ -343,7 +343,7 @@ static inline int bnep_rx_frame(struct bnep_session *s, struct sk_buff *skb) * may not be modified and because of the alignment requirements. */ nskb = alloc_skb(2 + ETH_HLEN + skb->len, GFP_KERNEL); if (!nskb) { - s->stats.rx_dropped++; + dev->stats.rx_dropped++; kfree_skb(skb); return -ENOMEM; } @@ -378,14 +378,14 @@ static inline int bnep_rx_frame(struct bnep_session *s, struct sk_buff *skb) skb_copy_from_linear_data(skb, __skb_put(nskb, skb->len), skb->len); kfree_skb(skb); - s->stats.rx_packets++; + dev->stats.rx_packets++; nskb->ip_summed = CHECKSUM_NONE; nskb->protocol = eth_type_trans(nskb, dev); netif_rx_ni(nskb); return 0; badframe: - s->stats.rx_errors++; + dev->stats.rx_errors++; kfree_skb(skb); return 0; } @@ -448,8 +448,8 @@ send: kfree_skb(skb); if (len > 0) { - s->stats.tx_bytes += len; - s->stats.tx_packets++; + s->dev->stats.tx_bytes += len; + s->dev->stats.tx_packets++; return 0; } diff --git a/net/bluetooth/bnep/netdev.c b/net/bluetooth/bnep/netdev.c index f897da6e0444..d7a0e9722def 100644 --- a/net/bluetooth/bnep/netdev.c +++ b/net/bluetooth/bnep/netdev.c @@ -55,12 +55,6 @@ static int bnep_net_close(struct net_device *dev) return 0; } -static struct net_device_stats *bnep_net_get_stats(struct net_device *dev) -{ - struct bnep_session *s = netdev_priv(dev); - return &s->stats; -} - static void bnep_net_set_mc_list(struct net_device *dev) { #ifdef CONFIG_BT_BNEP_MC_FILTER @@ -128,11 +122,6 @@ static void bnep_net_timeout(struct net_device *dev) netif_wake_queue(dev); } -static int bnep_net_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) -{ - return -EINVAL; -} - #ifdef CONFIG_BT_BNEP_MC_FILTER static inline int bnep_net_mc_filter(struct sk_buff *skb, struct bnep_session *s) { @@ -217,6 +206,18 @@ static int bnep_net_xmit(struct sk_buff *skb, struct net_device *dev) return 0; } +static const struct net_device_ops bnep_netdev_ops = { + .ndo_open = bnep_net_open, + .ndo_stop = bnep_net_close, + .ndo_start_xmit = bnep_net_xmit, + .ndo_validate_addr = eth_validate_addr, + .ndo_set_multicast_list = bnep_net_set_mc_list, + .ndo_set_mac_address = bnep_net_set_mac_addr, + .ndo_tx_timeout = bnep_net_timeout, + .ndo_change_mtu = eth_change_mtu, + +}; + void bnep_net_setup(struct net_device *dev) { @@ -224,15 +225,7 @@ void bnep_net_setup(struct net_device *dev) dev->addr_len = ETH_ALEN; ether_setup(dev); - - dev->open = bnep_net_open; - dev->stop = bnep_net_close; - dev->hard_start_xmit = bnep_net_xmit; - dev->get_stats = bnep_net_get_stats; - dev->do_ioctl = bnep_net_ioctl; - dev->set_mac_address = bnep_net_set_mac_addr; - dev->set_multicast_list = bnep_net_set_mc_list; + dev->netdev_ops = &bnep_netdev_ops; dev->watchdog_timeo = HZ * 2; - dev->tx_timeout = bnep_net_timeout; } diff --git a/net/can/af_can.c b/net/can/af_can.c index 3dadb338addd..fa417ca6cbe6 100644 --- a/net/can/af_can.c +++ b/net/can/af_can.c @@ -414,6 +414,12 @@ static struct hlist_head *find_rcv_list(canid_t *can_id, canid_t *mask, * The filter can be inverted (CAN_INV_FILTER bit set in can_id) or it can * filter for error frames (CAN_ERR_FLAG bit set in mask). * + * The provided pointer to the sk_buff is guaranteed to be valid as long as + * the callback function is running. The callback function must *not* free + * the given sk_buff while processing it's task. When the given sk_buff is + * needed after the end of the callback function it must be cloned inside + * the callback function with skb_clone(). + * * Return: * 0 on success * -ENOMEM on missing cache mem to create subscription entry @@ -569,13 +575,8 @@ EXPORT_SYMBOL(can_rx_unregister); static inline void deliver(struct sk_buff *skb, struct receiver *r) { - struct sk_buff *clone = skb_clone(skb, GFP_ATOMIC); - - if (clone) { - clone->sk = skb->sk; - r->func(clone, r->data); - r->matches++; - } + r->func(skb, r->data); + r->matches++; } static int can_rcv_filter(struct dev_rcv_lists *d, struct sk_buff *skb) diff --git a/net/can/bcm.c b/net/can/bcm.c index 6248ae2502c7..1649c8ab2c2f 100644 --- a/net/can/bcm.c +++ b/net/can/bcm.c @@ -633,7 +633,7 @@ static void bcm_rx_handler(struct sk_buff *skb, void *data) hrtimer_cancel(&op->timer); if (op->can_id != rxframe->can_id) - goto rx_freeskb; + return; /* save rx timestamp */ op->rx_stamp = skb->tstamp; @@ -645,19 +645,19 @@ static void bcm_rx_handler(struct sk_buff *skb, void *data) if (op->flags & RX_RTR_FRAME) { /* send reply for RTR-request (placed in op->frames[0]) */ bcm_can_tx(op); - goto rx_freeskb; + return; } if (op->flags & RX_FILTER_ID) { /* the easiest case */ bcm_rx_update_and_send(op, &op->last_frames[0], rxframe); - goto rx_freeskb_starttimer; + goto rx_starttimer; } if (op->nframes == 1) { /* simple compare with index 0 */ bcm_rx_cmp_to_index(op, 0, rxframe); - goto rx_freeskb_starttimer; + goto rx_starttimer; } if (op->nframes > 1) { @@ -678,10 +678,8 @@ static void bcm_rx_handler(struct sk_buff *skb, void *data) } } -rx_freeskb_starttimer: +rx_starttimer: bcm_rx_starttimer(op); -rx_freeskb: - kfree_skb(skb); } /* diff --git a/net/can/raw.c b/net/can/raw.c index 27aab63df467..0703cba4bf9f 100644 --- a/net/can/raw.c +++ b/net/can/raw.c @@ -99,13 +99,14 @@ static void raw_rcv(struct sk_buff *skb, void *data) struct raw_sock *ro = raw_sk(sk); struct sockaddr_can *addr; - if (!ro->recv_own_msgs) { - /* check the received tx sock reference */ - if (skb->sk == sk) { - kfree_skb(skb); - return; - } - } + /* check the received tx sock reference */ + if (!ro->recv_own_msgs && skb->sk == sk) + return; + + /* clone the given skb to be able to enqueue it into the rcv queue */ + skb = skb_clone(skb, GFP_ATOMIC); + if (!skb) + return; /* * Put the datagram to the queue so that raw_recvmsg() can diff --git a/net/core/dev.c b/net/core/dev.c index 382df6c09eec..bab8bcedd62e 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -2387,7 +2387,7 @@ void napi_gro_flush(struct napi_struct *napi) } EXPORT_SYMBOL(napi_gro_flush); -static int __napi_gro_receive(struct napi_struct *napi, struct sk_buff *skb) +int dev_gro_receive(struct napi_struct *napi, struct sk_buff *skb) { struct sk_buff **pp = NULL; struct packet_type *ptype; @@ -2417,11 +2417,14 @@ static int __napi_gro_receive(struct napi_struct *napi, struct sk_buff *skb) for (p = napi->gro_list; p; p = p->next) { count++; - NAPI_GRO_CB(p)->same_flow = - p->mac_len == mac_len && - !memcmp(skb_mac_header(p), skb_mac_header(skb), - mac_len); - NAPI_GRO_CB(p)->flush = 0; + + if (!NAPI_GRO_CB(p)->same_flow) + continue; + + if (p->mac_len != mac_len || + memcmp(skb_mac_header(p), skb_mac_header(skb), + mac_len)) + NAPI_GRO_CB(p)->same_flow = 0; } pp = ptype->gro_receive(&napi->gro_list, skb); @@ -2463,6 +2466,19 @@ ok: normal: return -1; } +EXPORT_SYMBOL(dev_gro_receive); + +static int __napi_gro_receive(struct napi_struct *napi, struct sk_buff *skb) +{ + struct sk_buff *p; + + for (p = napi->gro_list; p; p = p->next) { + NAPI_GRO_CB(p)->same_flow = 1; + NAPI_GRO_CB(p)->flush = 0; + } + + return dev_gro_receive(napi, skb); +} int napi_gro_receive(struct napi_struct *napi, struct sk_buff *skb) { @@ -2479,11 +2495,26 @@ int napi_gro_receive(struct napi_struct *napi, struct sk_buff *skb) } EXPORT_SYMBOL(napi_gro_receive); -int napi_gro_frags(struct napi_struct *napi, struct napi_gro_fraginfo *info) +void napi_reuse_skb(struct napi_struct *napi, struct sk_buff *skb) +{ + skb_shinfo(skb)->nr_frags = 0; + + skb->len -= skb->data_len; + skb->truesize -= skb->data_len; + skb->data_len = 0; + + __skb_pull(skb, skb_headlen(skb)); + skb_reserve(skb, NET_IP_ALIGN - skb_headroom(skb)); + + napi->skb = skb; +} +EXPORT_SYMBOL(napi_reuse_skb); + +struct sk_buff *napi_fraginfo_skb(struct napi_struct *napi, + struct napi_gro_fraginfo *info) { struct net_device *dev = napi->dev; struct sk_buff *skb = napi->skb; - int err = NET_RX_DROP; napi->skb = NULL; @@ -2503,16 +2534,31 @@ int napi_gro_frags(struct napi_struct *napi, struct napi_gro_fraginfo *info) skb->len += info->len; skb->truesize += info->len; - if (!pskb_may_pull(skb, ETH_HLEN)) - goto reuse; - - err = NET_RX_SUCCESS; + if (!pskb_may_pull(skb, ETH_HLEN)) { + napi_reuse_skb(napi, skb); + goto out; + } skb->protocol = eth_type_trans(skb, dev); skb->ip_summed = info->ip_summed; skb->csum = info->csum; +out: + return skb; +} +EXPORT_SYMBOL(napi_fraginfo_skb); + +int napi_gro_frags(struct napi_struct *napi, struct napi_gro_fraginfo *info) +{ + struct sk_buff *skb = napi_fraginfo_skb(napi, info); + int err = NET_RX_DROP; + + if (!skb) + goto out; + + err = NET_RX_SUCCESS; + switch (__napi_gro_receive(napi, skb)) { case -1: return netif_receive_skb(skb); @@ -2521,17 +2567,7 @@ int napi_gro_frags(struct napi_struct *napi, struct napi_gro_fraginfo *info) goto out; } -reuse: - skb_shinfo(skb)->nr_frags = 0; - - skb->len -= skb->data_len; - skb->truesize -= skb->data_len; - skb->data_len = 0; - - __skb_pull(skb, skb_headlen(skb)); - skb_reserve(skb, NET_IP_ALIGN - skb_headroom(skb)); - - napi->skb = skb; + napi_reuse_skb(napi, skb); out: return err; diff --git a/net/dsa/slave.c b/net/dsa/slave.c index a3a410d20da0..a68fd79e9eca 100644 --- a/net/dsa/slave.c +++ b/net/dsa/slave.c @@ -286,6 +286,42 @@ static const struct ethtool_ops dsa_slave_ethtool_ops = { .get_sset_count = dsa_slave_get_sset_count, }; +#ifdef CONFIG_NET_DSA_TAG_DSA +static const struct net_device_ops dsa_netdev_ops = { + .ndo_open = dsa_slave_open, + .ndo_stop = dsa_slave_close, + .ndo_start_xmit = dsa_xmit, + .ndo_change_rx_flags = dsa_slave_change_rx_flags, + .ndo_set_rx_mode = dsa_slave_set_rx_mode, + .ndo_set_multicast_list = dsa_slave_set_rx_mode, + .ndo_set_mac_address = dsa_slave_set_mac_address, + .ndo_do_ioctl = dsa_slave_ioctl, +}; +#endif +#ifdef CONFIG_NET_DSA_TAG_EDSA +static const struct net_device_ops edsa_netdev_ops = { + .ndo_open = dsa_slave_open, + .ndo_stop = dsa_slave_close, + .ndo_start_xmit = edsa_xmit, + .ndo_change_rx_flags = dsa_slave_change_rx_flags, + .ndo_set_rx_mode = dsa_slave_set_rx_mode, + .ndo_set_multicast_list = dsa_slave_set_rx_mode, + .ndo_set_mac_address = dsa_slave_set_mac_address, + .ndo_do_ioctl = dsa_slave_ioctl, +}; +#endif +#ifdef CONFIG_NET_DSA_TAG_TRAILER +static const struct net_device_ops trailer_netdev_ops = { + .ndo_open = dsa_slave_open, + .ndo_stop = dsa_slave_close, + .ndo_start_xmit = trailer_xmit, + .ndo_change_rx_flags = dsa_slave_change_rx_flags, + .ndo_set_rx_mode = dsa_slave_set_rx_mode, + .ndo_set_multicast_list = dsa_slave_set_rx_mode, + .ndo_set_mac_address = dsa_slave_set_mac_address, + .ndo_do_ioctl = dsa_slave_ioctl, +}; +#endif /* slave device setup *******************************************************/ struct net_device * @@ -306,32 +342,27 @@ dsa_slave_create(struct dsa_switch *ds, struct device *parent, SET_ETHTOOL_OPS(slave_dev, &dsa_slave_ethtool_ops); memcpy(slave_dev->dev_addr, master->dev_addr, ETH_ALEN); slave_dev->tx_queue_len = 0; + switch (ds->tag_protocol) { #ifdef CONFIG_NET_DSA_TAG_DSA case htons(ETH_P_DSA): - slave_dev->hard_start_xmit = dsa_xmit; + slave_dev->netdev_ops = &dsa_netdev_ops; break; #endif #ifdef CONFIG_NET_DSA_TAG_EDSA case htons(ETH_P_EDSA): - slave_dev->hard_start_xmit = edsa_xmit; + slave_dev->netdev_ops = &edsa_netdev_ops; break; #endif #ifdef CONFIG_NET_DSA_TAG_TRAILER case htons(ETH_P_TRAILER): - slave_dev->hard_start_xmit = trailer_xmit; + slave_dev->netdev_ops = &trailer_netdev_ops; break; #endif default: BUG(); } - slave_dev->open = dsa_slave_open; - slave_dev->stop = dsa_slave_close; - slave_dev->change_rx_flags = dsa_slave_change_rx_flags; - slave_dev->set_rx_mode = dsa_slave_set_rx_mode; - slave_dev->set_multicast_list = dsa_slave_set_rx_mode; - slave_dev->set_mac_address = dsa_slave_set_mac_address; - slave_dev->do_ioctl = dsa_slave_ioctl; + SET_NETDEV_DEV(slave_dev, parent); slave_dev->vlan_features = master->vlan_features; diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index 35bcddf8a932..bd6ff907d9e4 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -2542,6 +2542,7 @@ out: return pp; } +EXPORT_SYMBOL(tcp_gro_receive); int tcp_gro_complete(struct sk_buff *skb) { @@ -2558,6 +2559,7 @@ int tcp_gro_complete(struct sk_buff *skb) return 0; } +EXPORT_SYMBOL(tcp_gro_complete); #ifdef CONFIG_TCP_MD5SIG static unsigned long tcp_md5sig_users; diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c index 437b750b98fd..94f74f5b0cbf 100644 --- a/net/ipv6/af_inet6.c +++ b/net/ipv6/af_inet6.c @@ -672,8 +672,7 @@ int ipv6_opt_accepted(struct sock *sk, struct sk_buff *skb) EXPORT_SYMBOL_GPL(ipv6_opt_accepted); -static struct inet6_protocol *ipv6_gso_pull_exthdrs(struct sk_buff *skb, - int proto) +static int ipv6_gso_pull_exthdrs(struct sk_buff *skb, int proto) { struct inet6_protocol *ops = NULL; @@ -704,7 +703,7 @@ static struct inet6_protocol *ipv6_gso_pull_exthdrs(struct sk_buff *skb, __skb_pull(skb, len); } - return ops; + return proto; } static int ipv6_gso_send_check(struct sk_buff *skb) @@ -721,7 +720,9 @@ static int ipv6_gso_send_check(struct sk_buff *skb) err = -EPROTONOSUPPORT; rcu_read_lock(); - ops = ipv6_gso_pull_exthdrs(skb, ipv6h->nexthdr); + ops = rcu_dereference(inet6_protos[ + ipv6_gso_pull_exthdrs(skb, ipv6h->nexthdr)]); + if (likely(ops && ops->gso_send_check)) { skb_reset_transport_header(skb); err = ops->gso_send_check(skb); @@ -757,7 +758,9 @@ static struct sk_buff *ipv6_gso_segment(struct sk_buff *skb, int features) segs = ERR_PTR(-EPROTONOSUPPORT); rcu_read_lock(); - ops = ipv6_gso_pull_exthdrs(skb, ipv6h->nexthdr); + ops = rcu_dereference(inet6_protos[ + ipv6_gso_pull_exthdrs(skb, ipv6h->nexthdr)]); + if (likely(ops && ops->gso_segment)) { skb_reset_transport_header(skb); segs = ops->gso_segment(skb, features); @@ -777,11 +780,105 @@ out: return segs; } +struct ipv6_gro_cb { + struct napi_gro_cb napi; + int proto; +}; + +#define IPV6_GRO_CB(skb) ((struct ipv6_gro_cb *)(skb)->cb) + +static struct sk_buff **ipv6_gro_receive(struct sk_buff **head, + struct sk_buff *skb) +{ + struct inet6_protocol *ops; + struct sk_buff **pp = NULL; + struct sk_buff *p; + struct ipv6hdr *iph; + unsigned int nlen; + int flush = 1; + int proto; + + if (unlikely(!pskb_may_pull(skb, sizeof(*iph)))) + goto out; + + iph = ipv6_hdr(skb); + __skb_pull(skb, sizeof(*iph)); + + flush += ntohs(iph->payload_len) != skb->len; + + rcu_read_lock(); + proto = ipv6_gso_pull_exthdrs(skb, iph->nexthdr); + IPV6_GRO_CB(skb)->proto = proto; + ops = rcu_dereference(inet6_protos[proto]); + if (!ops || !ops->gro_receive) + goto out_unlock; + + flush--; + skb_reset_transport_header(skb); + nlen = skb_network_header_len(skb); + + for (p = *head; p; p = p->next) { + struct ipv6hdr *iph2; + + if (!NAPI_GRO_CB(p)->same_flow) + continue; + + iph2 = ipv6_hdr(p); + + /* All fields must match except length. */ + if (nlen != skb_network_header_len(p) || + memcmp(iph, iph2, offsetof(struct ipv6hdr, payload_len)) || + memcmp(&iph->nexthdr, &iph2->nexthdr, + nlen - offsetof(struct ipv6hdr, nexthdr))) { + NAPI_GRO_CB(p)->same_flow = 0; + continue; + } + + NAPI_GRO_CB(p)->flush |= flush; + } + + NAPI_GRO_CB(skb)->flush |= flush; + + pp = ops->gro_receive(head, skb); + +out_unlock: + rcu_read_unlock(); + +out: + NAPI_GRO_CB(skb)->flush |= flush; + + return pp; +} + +static int ipv6_gro_complete(struct sk_buff *skb) +{ + struct inet6_protocol *ops; + struct ipv6hdr *iph = ipv6_hdr(skb); + int err = -ENOSYS; + + iph->payload_len = htons(skb->len - skb_network_offset(skb) - + sizeof(*iph)); + + rcu_read_lock(); + ops = rcu_dereference(inet6_protos[IPV6_GRO_CB(skb)->proto]); + if (WARN_ON(!ops || !ops->gro_complete)) + goto out_unlock; + + err = ops->gro_complete(skb); + +out_unlock: + rcu_read_unlock(); + + return err; +} + static struct packet_type ipv6_packet_type = { .type = __constant_htons(ETH_P_IPV6), .func = ipv6_rcv, .gso_send_check = ipv6_gso_send_check, .gso_segment = ipv6_gso_segment, + .gro_receive = ipv6_gro_receive, + .gro_complete = ipv6_gro_complete, }; static int __init ipv6_packet_init(void) diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c index e8b8337a8310..1297306d729c 100644 --- a/net/ipv6/tcp_ipv6.c +++ b/net/ipv6/tcp_ipv6.c @@ -101,7 +101,7 @@ static void tcp_v6_hash(struct sock *sk) } } -static __inline__ __sum16 tcp_v6_check(struct tcphdr *th, int len, +static __inline__ __sum16 tcp_v6_check(int len, struct in6_addr *saddr, struct in6_addr *daddr, __wsum base) @@ -501,7 +501,7 @@ static int tcp_v6_send_synack(struct sock *sk, struct request_sock *req) if (skb) { struct tcphdr *th = tcp_hdr(skb); - th->check = tcp_v6_check(th, skb->len, + th->check = tcp_v6_check(skb->len, &treq->loc_addr, &treq->rmt_addr, csum_partial(th, skb->len, skb->csum)); @@ -942,6 +942,41 @@ static int tcp_v6_gso_send_check(struct sk_buff *skb) return 0; } +struct sk_buff **tcp6_gro_receive(struct sk_buff **head, struct sk_buff *skb) +{ + struct ipv6hdr *iph = ipv6_hdr(skb); + + switch (skb->ip_summed) { + case CHECKSUM_COMPLETE: + if (!tcp_v6_check(skb->len, &iph->saddr, &iph->daddr, + skb->csum)) { + skb->ip_summed = CHECKSUM_UNNECESSARY; + break; + } + + /* fall through */ + case CHECKSUM_NONE: + NAPI_GRO_CB(skb)->flush = 1; + return NULL; + } + + return tcp_gro_receive(head, skb); +} +EXPORT_SYMBOL(tcp6_gro_receive); + +int tcp6_gro_complete(struct sk_buff *skb) +{ + struct ipv6hdr *iph = ipv6_hdr(skb); + struct tcphdr *th = tcp_hdr(skb); + + th->check = ~tcp_v6_check(skb->len - skb_transport_offset(skb), + &iph->saddr, &iph->daddr, 0); + skb_shinfo(skb)->gso_type = SKB_GSO_TCPV6; + + return tcp_gro_complete(skb); +} +EXPORT_SYMBOL(tcp6_gro_complete); + static void tcp_v6_send_response(struct sk_buff *skb, u32 seq, u32 ack, u32 win, u32 ts, struct tcp_md5sig_key *key, int rst) { @@ -1429,14 +1464,14 @@ out: static __sum16 tcp_v6_checksum_init(struct sk_buff *skb) { if (skb->ip_summed == CHECKSUM_COMPLETE) { - if (!tcp_v6_check(tcp_hdr(skb), skb->len, &ipv6_hdr(skb)->saddr, + if (!tcp_v6_check(skb->len, &ipv6_hdr(skb)->saddr, &ipv6_hdr(skb)->daddr, skb->csum)) { skb->ip_summed = CHECKSUM_UNNECESSARY; return 0; } } - skb->csum = ~csum_unfold(tcp_v6_check(tcp_hdr(skb), skb->len, + skb->csum = ~csum_unfold(tcp_v6_check(skb->len, &ipv6_hdr(skb)->saddr, &ipv6_hdr(skb)->daddr, 0)); @@ -2062,6 +2097,8 @@ static struct inet6_protocol tcpv6_protocol = { .err_handler = tcp_v6_err, .gso_send_check = tcp_v6_gso_send_check, .gso_segment = tcp_tso_segment, + .gro_receive = tcp6_gro_receive, + .gro_complete = tcp6_gro_complete, .flags = INET6_PROTO_NOPOLICY|INET6_PROTO_FINAL, }; diff --git a/net/phonet/pep-gprs.c b/net/phonet/pep-gprs.c index b0ceac2d6cd1..6a91a32a80c1 100644 --- a/net/phonet/pep-gprs.c +++ b/net/phonet/pep-gprs.c @@ -227,6 +227,13 @@ static int gprs_set_mtu(struct net_device *dev, int new_mtu) return 0; } +static const struct net_device_ops gprs_netdev_ops = { + .ndo_open = gprs_open, + .ndo_stop = gprs_close, + .ndo_start_xmit = gprs_xmit, + .ndo_change_mtu = gprs_set_mtu, +}; + static void gprs_setup(struct net_device *dev) { dev->features = NETIF_F_FRAGLIST; @@ -237,11 +244,8 @@ static void gprs_setup(struct net_device *dev) dev->addr_len = 0; dev->tx_queue_len = 10; + dev->netdev_ops = &gprs_netdev_ops; dev->destructor = free_netdev; - dev->open = gprs_open; - dev->stop = gprs_close; - dev->hard_start_xmit = gprs_xmit; /* mandatory */ - dev->change_mtu = gprs_set_mtu; } /* diff --git a/net/sched/sch_teql.c b/net/sched/sch_teql.c index cfc8e7caba62..ec697cebb63b 100644 --- a/net/sched/sch_teql.c +++ b/net/sched/sch_teql.c @@ -289,9 +289,9 @@ restart: do { struct net_device *slave = qdisc_dev(q); - struct netdev_queue *slave_txq; + struct netdev_queue *slave_txq = netdev_get_tx_queue(slave, 0); + const struct net_device_ops *slave_ops = slave->netdev_ops; - slave_txq = netdev_get_tx_queue(slave, 0); if (slave_txq->qdisc_sleeping != q) continue; if (__netif_subqueue_stopped(slave, subq) || @@ -305,7 +305,7 @@ restart: if (__netif_tx_trylock(slave_txq)) { if (!netif_tx_queue_stopped(slave_txq) && !netif_tx_queue_frozen(slave_txq) && - slave->hard_start_xmit(skb, slave) == 0) { + slave_ops->ndo_start_xmit(skb, slave) == 0) { __netif_tx_unlock(slave_txq); master->slaves = NEXT_SLAVE(q); netif_wake_queue(dev); @@ -420,6 +420,14 @@ static int teql_master_mtu(struct net_device *dev, int new_mtu) return 0; } +static const struct net_device_ops teql_netdev_ops = { + .ndo_open = teql_master_open, + .ndo_stop = teql_master_close, + .ndo_start_xmit = teql_master_xmit, + .ndo_get_stats = teql_master_stats, + .ndo_change_mtu = teql_master_mtu, +}; + static __init void teql_master_setup(struct net_device *dev) { struct teql_master *master = netdev_priv(dev); @@ -436,11 +444,7 @@ static __init void teql_master_setup(struct net_device *dev) ops->destroy = teql_destroy; ops->owner = THIS_MODULE; - dev->open = teql_master_open; - dev->hard_start_xmit = teql_master_xmit; - dev->stop = teql_master_close; - dev->get_stats = teql_master_stats; - dev->change_mtu = teql_master_mtu; + dev->netdev_ops = &teql_netdev_ops; dev->type = ARPHRD_VOID; dev->mtu = 1500; dev->tx_queue_len = 100; diff --git a/net/wimax/Kconfig b/net/wimax/Kconfig index 0bdbb6928205..18495cdcd10d 100644 --- a/net/wimax/Kconfig +++ b/net/wimax/Kconfig @@ -1,9 +1,23 @@ # # WiMAX LAN device configuration # +# Note the ugly 'depends on' on WIMAX: that disallows RFKILL to be a +# module if WIMAX is to be linked in. The WiMAX code is done in such a +# way that it doesn't require and explicit dependency on RFKILL in +# case an embedded system wants to rip it out. +# +# As well, enablement of the RFKILL code means we need the INPUT layer +# support to inject events coming from hw rfkill switches. That +# dependency could be killed if input.h provided appropiate means to +# work when input is disabled. + +comment "WiMAX Wireless Broadband support requires CONFIG_INPUT enabled" + depends on INPUT = n && RFKILL != n menuconfig WIMAX tristate "WiMAX Wireless Broadband support" + depends on (y && RFKILL != m) || m + depends on (INPUT && RFKILL != n) || RFKILL = n help Select to configure support for devices that provide diff --git a/net/wimax/id-table.c b/net/wimax/id-table.c index d3b88558682c..5e685f7eda90 100644 --- a/net/wimax/id-table.c +++ b/net/wimax/id-table.c @@ -123,15 +123,17 @@ void wimax_id_table_rm(struct wimax_dev *wimax_dev) /* * Release the gennetlink family id / mapping table * - * On debug, verify that the table is empty upon removal. + * On debug, verify that the table is empty upon removal. We want the + * code always compiled, to ensure it doesn't bit rot. It will be + * compiled out if CONFIG_BUG is disabled. */ void wimax_id_table_release(void) { + struct wimax_dev *wimax_dev; + #ifndef CONFIG_BUG return; #endif - struct wimax_dev *wimax_dev; - spin_lock(&wimax_id_table_lock); list_for_each_entry(wimax_dev, &wimax_id_table, id_table_node) { printk(KERN_ERR "BUG: %s wimax_dev %p ifindex %d not cleared\n", diff --git a/net/wimax/op-rfkill.c b/net/wimax/op-rfkill.c index 8745bac173f1..2b75aee04217 100644 --- a/net/wimax/op-rfkill.c +++ b/net/wimax/op-rfkill.c @@ -71,7 +71,7 @@ #define D_SUBMODULE op_rfkill #include "debug-levels.h" -#ifdef CONFIG_RFKILL +#if defined(CONFIG_RFKILL) || defined(CONFIG_RFKILL_MODULE) /** diff --git a/net/wireless/wext.c b/net/wireless/wext.c index e49a2d1ef1e4..cb6a5bb85d80 100644 --- a/net/wireless/wext.c +++ b/net/wireless/wext.c @@ -1055,8 +1055,8 @@ static int wireless_process_ioctl(struct net *net, struct ifreq *ifr, return private(dev, iwr, cmd, info, handler); } /* Old driver API : call driver ioctl handler */ - if (dev->do_ioctl) - return dev->do_ioctl(dev, ifr, cmd); + if (dev->netdev_ops->ndo_do_ioctl) + return dev->netdev_ops->ndo_do_ioctl(dev, ifr, cmd); return -EOPNOTSUPP; } |