diff options
Diffstat (limited to 'net/core')
-rw-r--r-- | net/core/datagram.c | 26 | ||||
-rw-r--r-- | net/core/dev.c | 118 | ||||
-rw-r--r-- | net/core/ethtool.c | 2 | ||||
-rw-r--r-- | net/core/iovec.c | 2 | ||||
-rw-r--r-- | net/core/kmap_skb.h | 4 | ||||
-rw-r--r-- | net/core/neighbour.c | 90 | ||||
-rw-r--r-- | net/core/netpoll.c | 71 | ||||
-rw-r--r-- | net/core/netprio_cgroup.c | 10 | ||||
-rw-r--r-- | net/core/rtnetlink.c | 11 | ||||
-rw-r--r-- | net/core/skbuff.c | 4 | ||||
-rw-r--r-- | net/core/sock.c | 27 |
11 files changed, 233 insertions, 132 deletions
diff --git a/net/core/datagram.c b/net/core/datagram.c index 68bbf9f..d3cf12f 100644 --- a/net/core/datagram.c +++ b/net/core/datagram.c @@ -132,6 +132,8 @@ out_noerr: * __skb_recv_datagram - Receive a datagram skbuff * @sk: socket * @flags: MSG_ flags + * @off: an offset in bytes to peek skb from. Returns an offset + * within an skb where data actually starts * @peeked: returns non-zero if this packet has been seen before * @err: error code returned * @@ -158,7 +160,7 @@ out_noerr: * the standard around please. */ struct sk_buff *__skb_recv_datagram(struct sock *sk, unsigned flags, - int *peeked, int *err) + int *peeked, int *off, int *err) { struct sk_buff *skb; long timeo; @@ -180,21 +182,25 @@ struct sk_buff *__skb_recv_datagram(struct sock *sk, unsigned flags, * However, this function was correct in any case. 8) */ unsigned long cpu_flags; + struct sk_buff_head *queue = &sk->sk_receive_queue; - spin_lock_irqsave(&sk->sk_receive_queue.lock, cpu_flags); - skb = skb_peek(&sk->sk_receive_queue); - if (skb) { + spin_lock_irqsave(&queue->lock, cpu_flags); + skb_queue_walk(queue, skb) { *peeked = skb->peeked; if (flags & MSG_PEEK) { + if (*off >= skb->len) { + *off -= skb->len; + continue; + } skb->peeked = 1; atomic_inc(&skb->users); } else - __skb_unlink(skb, &sk->sk_receive_queue); - } - spin_unlock_irqrestore(&sk->sk_receive_queue.lock, cpu_flags); + __skb_unlink(skb, queue); - if (skb) + spin_unlock_irqrestore(&queue->lock, cpu_flags); return skb; + } + spin_unlock_irqrestore(&queue->lock, cpu_flags); /* User doesn't want to wait */ error = -EAGAIN; @@ -214,10 +220,10 @@ EXPORT_SYMBOL(__skb_recv_datagram); struct sk_buff *skb_recv_datagram(struct sock *sk, unsigned flags, int noblock, int *err) { - int peeked; + int peeked, off = 0; return __skb_recv_datagram(sk, flags | (noblock ? MSG_DONTWAIT : 0), - &peeked, err); + &peeked, &off, err); } EXPORT_SYMBOL(skb_recv_datagram); diff --git a/net/core/dev.c b/net/core/dev.c index 6982bfd..452db70 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -446,7 +446,7 @@ void __dev_remove_pack(struct packet_type *pt) } } - printk(KERN_WARNING "dev_remove_pack: %p not found.\n", pt); + pr_warn("dev_remove_pack: %p not found\n", pt); out: spin_unlock(&ptype_lock); } @@ -848,21 +848,21 @@ EXPORT_SYMBOL(dev_get_by_flags_rcu); * to allow sysfs to work. We also disallow any kind of * whitespace. */ -int dev_valid_name(const char *name) +bool dev_valid_name(const char *name) { if (*name == '\0') - return 0; + return false; if (strlen(name) >= IFNAMSIZ) - return 0; + return false; if (!strcmp(name, ".") || !strcmp(name, "..")) - return 0; + return false; while (*name) { if (*name == '/' || isspace(*name)) - return 0; + return false; name++; } - return 1; + return true; } EXPORT_SYMBOL(dev_valid_name); @@ -1039,8 +1039,7 @@ rollback: memcpy(dev->name, oldname, IFNAMSIZ); goto rollback; } else { - printk(KERN_ERR - "%s: name change rollback failed: %d.\n", + pr_err("%s: name change rollback failed: %d\n", dev->name, ret); } } @@ -1139,9 +1138,8 @@ void dev_load(struct net *net, const char *name) no_module = request_module("netdev-%s", name); if (no_module && capable(CAP_SYS_MODULE)) { if (!request_module("%s", name)) - pr_err("Loading kernel module for a network device " -"with CAP_SYS_MODULE (deprecated). Use CAP_NET_ADMIN and alias netdev-%s " -"instead\n", name); + pr_err("Loading kernel module for a network device with CAP_SYS_MODULE (deprecated). Use CAP_NET_ADMIN and alias netdev-%s instead.\n", + name); } } EXPORT_SYMBOL(dev_load); @@ -1655,10 +1653,9 @@ static void dev_queue_xmit_nit(struct sk_buff *skb, struct net_device *dev) if (skb_network_header(skb2) < skb2->data || skb2->network_header > skb2->tail) { if (net_ratelimit()) - printk(KERN_CRIT "protocol %04x is " - "buggy, dev %s\n", - ntohs(skb2->protocol), - dev->name); + pr_crit("protocol %04x is buggy, dev %s\n", + ntohs(skb2->protocol), + dev->name); skb_reset_network_header(skb2); } @@ -1691,9 +1688,7 @@ static void netif_setup_tc(struct net_device *dev, unsigned int txq) /* If TC0 is invalidated disable TC mapping */ if (tc->offset + tc->count > txq) { - pr_warning("Number of in use tx queues changed " - "invalidating tc mappings. Priority " - "traffic classification disabled!\n"); + pr_warn("Number of in use tx queues changed invalidating tc mappings. Priority traffic classification disabled!\n"); dev->num_tc = 0; return; } @@ -1704,11 +1699,8 @@ static void netif_setup_tc(struct net_device *dev, unsigned int txq) tc = &dev->tc_to_txq[q]; if (tc->offset + tc->count > txq) { - pr_warning("Number of in use tx queues " - "changed. Priority %i to tc " - "mapping %i is no longer valid " - "setting map to 0\n", - i, q); + pr_warn("Number of in use tx queues changed. Priority %i to tc mapping %i is no longer valid. Setting map to 0\n", + i, q); netdev_set_prio_tc_map(dev, i, 0); } } @@ -2014,8 +2006,7 @@ EXPORT_SYMBOL(skb_gso_segment); void netdev_rx_csum_fault(struct net_device *dev) { if (net_ratelimit()) { - printk(KERN_ERR "%s: hw csum failure.\n", - dev ? dev->name : "<unknown>"); + pr_err("%s: hw csum failure\n", dev ? dev->name : "<unknown>"); dump_stack(); } } @@ -2332,9 +2323,9 @@ static inline u16 dev_cap_txqueue(struct net_device *dev, u16 queue_index) { if (unlikely(queue_index >= dev->real_num_tx_queues)) { if (net_ratelimit()) { - pr_warning("%s selects TX queue %d, but " - "real number of TX queues is %d\n", - dev->name, queue_index, dev->real_num_tx_queues); + pr_warn("%s selects TX queue %d, but real number of TX queues is %d\n", + dev->name, queue_index, + dev->real_num_tx_queues); } return 0; } @@ -2578,16 +2569,16 @@ int dev_queue_xmit(struct sk_buff *skb) } HARD_TX_UNLOCK(dev, txq); if (net_ratelimit()) - printk(KERN_CRIT "Virtual device %s asks to " - "queue packet!\n", dev->name); + pr_crit("Virtual device %s asks to queue packet!\n", + dev->name); } else { /* Recursion is detected! It is possible, * unfortunately */ recursion_alert: if (net_ratelimit()) - printk(KERN_CRIT "Dead loop on virtual device " - "%s, fix it urgently!\n", dev->name); + pr_crit("Dead loop on virtual device %s, fix it urgently!\n", + dev->name); } } @@ -3069,8 +3060,8 @@ static int ing_filter(struct sk_buff *skb, struct netdev_queue *rxq) if (unlikely(MAX_RED_LOOP < ttl++)) { if (net_ratelimit()) - pr_warning( "Redir loop detected Dropping packet (%d->%d)\n", - skb->skb_iif, dev->ifindex); + pr_warn("Redir loop detected Dropping packet (%d->%d)\n", + skb->skb_iif, dev->ifindex); return TC_ACT_SHOT; } @@ -3569,7 +3560,8 @@ EXPORT_SYMBOL(napi_gro_receive); static void napi_reuse_skb(struct napi_struct *napi, struct sk_buff *skb) { __skb_pull(skb, skb_headlen(skb)); - skb_reserve(skb, NET_IP_ALIGN - skb_headroom(skb)); + /* restore the reserve we had after netdev_alloc_skb_ip_align() */ + skb_reserve(skb, NET_SKB_PAD + NET_IP_ALIGN - skb_headroom(skb)); skb->vlan_tci = 0; skb->dev = napi->dev; skb->skb_iif = 0; @@ -4497,16 +4489,15 @@ static int __dev_set_promiscuity(struct net_device *dev, int inc) dev->flags &= ~IFF_PROMISC; else { dev->promiscuity -= inc; - printk(KERN_WARNING "%s: promiscuity touches roof, " - "set promiscuity failed, promiscuity feature " - "of device might be broken.\n", dev->name); + pr_warn("%s: promiscuity touches roof, set promiscuity failed. promiscuity feature of device might be broken.\n", + dev->name); return -EOVERFLOW; } } if (dev->flags != old_flags) { - printk(KERN_INFO "device %s %s promiscuous mode\n", - dev->name, (dev->flags & IFF_PROMISC) ? "entered" : - "left"); + pr_info("device %s %s promiscuous mode\n", + dev->name, + dev->flags & IFF_PROMISC ? "entered" : "left"); if (audit_enabled) { current_uid_gid(&uid, &gid); audit_log(current->audit_context, GFP_ATOMIC, @@ -4579,9 +4570,8 @@ int dev_set_allmulti(struct net_device *dev, int inc) dev->flags &= ~IFF_ALLMULTI; else { dev->allmulti -= inc; - printk(KERN_WARNING "%s: allmulti touches roof, " - "set allmulti failed, allmulti feature of " - "device might be broken.\n", dev->name); + pr_warn("%s: allmulti touches roof, set allmulti failed. allmulti feature of device might be broken.\n", + dev->name); return -EOVERFLOW; } } @@ -5238,8 +5228,8 @@ static void rollback_registered_many(struct list_head *head) * devices and proceed with the remaining. */ if (dev->reg_state == NETREG_UNINITIALIZED) { - pr_debug("unregister_netdevice: device %s/%p never " - "was registered\n", dev->name, dev); + pr_debug("unregister_netdevice: device %s/%p never was registered\n", + dev->name, dev); WARN_ON(1); list_del(&dev->unreg_list); @@ -5471,7 +5461,7 @@ static int netif_alloc_rx_queues(struct net_device *dev) rx = kcalloc(count, sizeof(struct netdev_rx_queue), GFP_KERNEL); if (!rx) { - pr_err("netdev: Unable to allocate %u rx queues.\n", count); + pr_err("netdev: Unable to allocate %u rx queues\n", count); return -ENOMEM; } dev->_rx = rx; @@ -5505,8 +5495,7 @@ static int netif_alloc_netdev_queues(struct net_device *dev) tx = kcalloc(count, sizeof(struct netdev_queue), GFP_KERNEL); if (!tx) { - pr_err("netdev: Unable to allocate %u tx queues.\n", - count); + pr_err("netdev: Unable to allocate %u tx queues\n", count); return -ENOMEM; } dev->_tx = tx; @@ -5765,10 +5754,8 @@ static void netdev_wait_allrefs(struct net_device *dev) refcnt = netdev_refcnt_read(dev); if (time_after(jiffies, warning_time + 10 * HZ)) { - printk(KERN_EMERG "unregister_netdevice: " - "waiting for %s to become free. Usage " - "count = %d\n", - dev->name, refcnt); + pr_emerg("unregister_netdevice: waiting for %s to become free. Usage count = %d\n", + dev->name, refcnt); warning_time = jiffies; } } @@ -5819,7 +5806,7 @@ void netdev_run_todo(void) list_del(&dev->todo_list); if (unlikely(dev->reg_state != NETREG_UNREGISTERING)) { - printk(KERN_ERR "network todo '%s' but state %d\n", + pr_err("network todo '%s' but state %d\n", dev->name, dev->reg_state); dump_stack(); continue; @@ -5848,12 +5835,12 @@ void netdev_run_todo(void) /* Convert net_device_stats to rtnl_link_stats64. They have the same * fields in the same order, with only the type differing. */ -static void netdev_stats_to_stats64(struct rtnl_link_stats64 *stats64, - const struct net_device_stats *netdev_stats) +void netdev_stats_to_stats64(struct rtnl_link_stats64 *stats64, + const struct net_device_stats *netdev_stats) { #if BITS_PER_LONG == 64 - BUILD_BUG_ON(sizeof(*stats64) != sizeof(*netdev_stats)); - memcpy(stats64, netdev_stats, sizeof(*stats64)); + BUILD_BUG_ON(sizeof(*stats64) != sizeof(*netdev_stats)); + memcpy(stats64, netdev_stats, sizeof(*stats64)); #else size_t i, n = sizeof(*stats64) / sizeof(u64); const unsigned long *src = (const unsigned long *)netdev_stats; @@ -5865,6 +5852,7 @@ static void netdev_stats_to_stats64(struct rtnl_link_stats64 *stats64, dst[i] = src[i]; #endif } +EXPORT_SYMBOL(netdev_stats_to_stats64); /** * dev_get_stats - get network device statistics @@ -5935,15 +5923,13 @@ struct net_device *alloc_netdev_mqs(int sizeof_priv, const char *name, BUG_ON(strlen(name) >= sizeof(dev->name)); if (txqs < 1) { - pr_err("alloc_netdev: Unable to allocate device " - "with zero queues.\n"); + pr_err("alloc_netdev: Unable to allocate device with zero queues\n"); return NULL; } #ifdef CONFIG_RPS if (rxqs < 1) { - pr_err("alloc_netdev: Unable to allocate device " - "with zero RX queues.\n"); + pr_err("alloc_netdev: Unable to allocate device with zero RX queues\n"); return NULL; } #endif @@ -5959,7 +5945,7 @@ struct net_device *alloc_netdev_mqs(int sizeof_priv, const char *name, p = kzalloc(alloc_size, GFP_KERNEL); if (!p) { - printk(KERN_ERR "alloc_netdev: Unable to allocate device.\n"); + pr_err("alloc_netdev: Unable to allocate device\n"); return NULL; } @@ -6492,8 +6478,8 @@ static void __net_exit default_device_exit(struct net *net) snprintf(fb_name, IFNAMSIZ, "dev%d", dev->ifindex); err = dev_change_net_namespace(dev, &init_net, fb_name); if (err) { - printk(KERN_EMERG "%s: failed to move %s to init_net: %d\n", - __func__, dev->name, err); + pr_emerg("%s: failed to move %s to init_net: %d\n", + __func__, dev->name, err); BUG(); } } diff --git a/net/core/ethtool.c b/net/core/ethtool.c index 3f79db1..6d6d7d2 100644 --- a/net/core/ethtool.c +++ b/net/core/ethtool.c @@ -73,6 +73,8 @@ static const char netdev_features_strings[NETDEV_FEATURE_COUNT][ETH_GSTRING_LEN] [NETIF_F_RXCSUM_BIT] = "rx-checksum", [NETIF_F_NOCACHE_COPY_BIT] = "tx-nocache-copy", [NETIF_F_LOOPBACK_BIT] = "loopback", + [NETIF_F_RXFCS_BIT] = "rx-fcs", + [NETIF_F_RXALL_BIT] = "rx-all", }; static int ethtool_get_features(struct net_device *dev, void __user *useraddr) diff --git a/net/core/iovec.c b/net/core/iovec.c index c40f27e..7e7aeb0 100644 --- a/net/core/iovec.c +++ b/net/core/iovec.c @@ -35,7 +35,7 @@ * in any case. */ -int verify_iovec(struct msghdr *m, struct iovec *iov, struct sockaddr *address, int mode) +int verify_iovec(struct msghdr *m, struct iovec *iov, struct sockaddr_storage *address, int mode) { int size, ct, err; diff --git a/net/core/kmap_skb.h b/net/core/kmap_skb.h index 81e1ed7..52d0a44 100644 --- a/net/core/kmap_skb.h +++ b/net/core/kmap_skb.h @@ -7,12 +7,12 @@ static inline void *kmap_skb_frag(const skb_frag_t *frag) local_bh_disable(); #endif - return kmap_atomic(skb_frag_page(frag), KM_SKB_DATA_SOFTIRQ); + return kmap_atomic(skb_frag_page(frag)); } static inline void kunmap_skb_frag(void *vaddr) { - kunmap_atomic(vaddr, KM_SKB_DATA_SOFTIRQ); + kunmap_atomic(vaddr); #ifdef CONFIG_HIGHMEM local_bh_enable(); #endif diff --git a/net/core/neighbour.c b/net/core/neighbour.c index 2a83914..0a68045 100644 --- a/net/core/neighbour.c +++ b/net/core/neighbour.c @@ -2167,6 +2167,35 @@ nla_put_failure: return -EMSGSIZE; } +static int pneigh_fill_info(struct sk_buff *skb, struct pneigh_entry *pn, + u32 pid, u32 seq, int type, unsigned int flags, + struct neigh_table *tbl) +{ + struct nlmsghdr *nlh; + struct ndmsg *ndm; + + nlh = nlmsg_put(skb, pid, seq, type, sizeof(*ndm), flags); + if (nlh == NULL) + return -EMSGSIZE; + + ndm = nlmsg_data(nlh); + ndm->ndm_family = tbl->family; + ndm->ndm_pad1 = 0; + ndm->ndm_pad2 = 0; + ndm->ndm_flags = pn->flags | NTF_PROXY; + ndm->ndm_type = NDA_DST; + ndm->ndm_ifindex = pn->dev->ifindex; + ndm->ndm_state = NUD_NONE; + + NLA_PUT(skb, NDA_DST, tbl->key_len, pn->key); + + return nlmsg_end(skb, nlh); + +nla_put_failure: + nlmsg_cancel(skb, nlh); + return -EMSGSIZE; +} + static void neigh_update_notify(struct neighbour *neigh) { call_netevent_notifiers(NETEVENT_NEIGH_UPDATE, neigh); @@ -2216,23 +2245,78 @@ out: return rc; } +static int pneigh_dump_table(struct neigh_table *tbl, struct sk_buff *skb, + struct netlink_callback *cb) +{ + struct pneigh_entry *n; + struct net *net = sock_net(skb->sk); + int rc, h, s_h = cb->args[3]; + int idx, s_idx = idx = cb->args[4]; + + read_lock_bh(&tbl->lock); + + for (h = 0; h <= PNEIGH_HASHMASK; h++) { + if (h < s_h) + continue; + if (h > s_h) + s_idx = 0; + for (n = tbl->phash_buckets[h], idx = 0; n; n = n->next) { + if (dev_net(n->dev) != net) + continue; + if (idx < s_idx) + goto next; + if (pneigh_fill_info(skb, n, NETLINK_CB(cb->skb).pid, + cb->nlh->nlmsg_seq, + RTM_NEWNEIGH, + NLM_F_MULTI, tbl) <= 0) { + read_unlock_bh(&tbl->lock); + rc = -1; + goto out; + } + next: + idx++; + } + } + + read_unlock_bh(&tbl->lock); + rc = skb->len; +out: + cb->args[3] = h; + cb->args[4] = idx; + return rc; + +} + static int neigh_dump_info(struct sk_buff *skb, struct netlink_callback *cb) { struct neigh_table *tbl; int t, family, s_t; + int proxy = 0; + int err = 0; read_lock(&neigh_tbl_lock); family = ((struct rtgenmsg *) nlmsg_data(cb->nlh))->rtgen_family; + + /* check for full ndmsg structure presence, family member is + * the same for both structures + */ + if (nlmsg_len(cb->nlh) >= sizeof(struct ndmsg) && + ((struct ndmsg *) nlmsg_data(cb->nlh))->ndm_flags == NTF_PROXY) + proxy = 1; + s_t = cb->args[0]; - for (tbl = neigh_tables, t = 0; tbl; tbl = tbl->next, t++) { + for (tbl = neigh_tables, t = 0; tbl && (err >= 0); + tbl = tbl->next, t++) { if (t < s_t || (family && tbl->family != family)) continue; if (t > s_t) memset(&cb->args[1], 0, sizeof(cb->args) - sizeof(cb->args[0])); - if (neigh_dump_table(tbl, skb, cb) < 0) - break; + if (proxy) + err = pneigh_dump_table(tbl, skb, cb); + else + err = neigh_dump_table(tbl, skb, cb); } read_unlock(&neigh_tbl_lock); diff --git a/net/core/netpoll.c b/net/core/netpoll.c index ddefc51..3d84fb9 100644 --- a/net/core/netpoll.c +++ b/net/core/netpoll.c @@ -9,6 +9,8 @@ * Copyright (C) 2002 Red Hat, Inc. */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include <linux/moduleparam.h> #include <linux/netdevice.h> #include <linux/etherdevice.h> @@ -45,9 +47,11 @@ static atomic_t trapped; #define NETPOLL_RX_ENABLED 1 #define NETPOLL_RX_DROP 2 -#define MAX_SKB_SIZE \ - (MAX_UDP_CHUNK + sizeof(struct udphdr) + \ - sizeof(struct iphdr) + sizeof(struct ethhdr)) +#define MAX_SKB_SIZE \ + (sizeof(struct ethhdr) + \ + sizeof(struct iphdr) + \ + sizeof(struct udphdr) + \ + MAX_UDP_CHUNK) static void zap_completion_queue(void); static void arp_reply(struct sk_buff *skb); @@ -55,6 +59,13 @@ static void arp_reply(struct sk_buff *skb); static unsigned int carrier_timeout = 4; module_param(carrier_timeout, uint, 0644); +#define np_info(np, fmt, ...) \ + pr_info("%s: " fmt, np->name, ##__VA_ARGS__) +#define np_err(np, fmt, ...) \ + pr_err("%s: " fmt, np->name, ##__VA_ARGS__) +#define np_notice(np, fmt, ...) \ + pr_notice("%s: " fmt, np->name, ##__VA_ARGS__) + static void queue_process(struct work_struct *work) { struct netpoll_info *npinfo = @@ -627,18 +638,12 @@ out: void netpoll_print_options(struct netpoll *np) { - printk(KERN_INFO "%s: local port %d\n", - np->name, np->local_port); - printk(KERN_INFO "%s: local IP %pI4\n", - np->name, &np->local_ip); - printk(KERN_INFO "%s: interface '%s'\n", - np->name, np->dev_name); - printk(KERN_INFO "%s: remote port %d\n", - np->name, np->remote_port); - printk(KERN_INFO "%s: remote IP %pI4\n", - np->name, &np->remote_ip); - printk(KERN_INFO "%s: remote ethernet address %pM\n", - np->name, np->remote_mac); + np_info(np, "local port %d\n", np->local_port); + np_info(np, "local IP %pI4\n", &np->local_ip); + np_info(np, "interface '%s'\n", np->dev_name); + np_info(np, "remote port %d\n", np->remote_port); + np_info(np, "remote IP %pI4\n", &np->remote_ip); + np_info(np, "remote ethernet address %pM\n", np->remote_mac); } EXPORT_SYMBOL(netpoll_print_options); @@ -680,8 +685,7 @@ int netpoll_parse_options(struct netpoll *np, char *opt) goto parse_failed; *delim = 0; if (*cur == ' ' || *cur == '\t') - printk(KERN_INFO "%s: warning: whitespace" - "is not allowed\n", np->name); + np_info(np, "warning: whitespace is not allowed\n"); np->remote_port = simple_strtol(cur, NULL, 10); cur = delim; } @@ -705,8 +709,7 @@ int netpoll_parse_options(struct netpoll *np, char *opt) return 0; parse_failed: - printk(KERN_INFO "%s: couldn't parse config at '%s'!\n", - np->name, cur); + np_info(np, "couldn't parse config at '%s'!\n", cur); return -1; } EXPORT_SYMBOL(netpoll_parse_options); @@ -721,8 +724,8 @@ int __netpoll_setup(struct netpoll *np) if ((ndev->priv_flags & IFF_DISABLE_NETPOLL) || !ndev->netdev_ops->ndo_poll_controller) { - printk(KERN_ERR "%s: %s doesn't support polling, aborting.\n", - np->name, np->dev_name); + np_err(np, "%s doesn't support polling, aborting\n", + np->dev_name); err = -ENOTSUPP; goto out; } @@ -785,14 +788,12 @@ int netpoll_setup(struct netpoll *np) if (np->dev_name) ndev = dev_get_by_name(&init_net, np->dev_name); if (!ndev) { - printk(KERN_ERR "%s: %s doesn't exist, aborting.\n", - np->name, np->dev_name); + np_err(np, "%s doesn't exist, aborting\n", np->dev_name); return -ENODEV; } if (ndev->master) { - printk(KERN_ERR "%s: %s is a slave device, aborting.\n", - np->name, np->dev_name); + np_err(np, "%s is a slave device, aborting\n", np->dev_name); err = -EBUSY; goto put; } @@ -800,16 +801,14 @@ int netpoll_setup(struct netpoll *np) if (!netif_running(ndev)) { unsigned long atmost, atleast; - printk(KERN_INFO "%s: device %s not up yet, forcing it\n", - np->name, np->dev_name); + np_info(np, "device %s not up yet, forcing it\n", np->dev_name); rtnl_lock(); err = dev_open(ndev); rtnl_unlock(); if (err) { - printk(KERN_ERR "%s: failed to open %s\n", - np->name, ndev->name); + np_err(np, "failed to open %s\n", ndev->name); goto put; } @@ -817,9 +816,7 @@ int netpoll_setup(struct netpoll *np) atmost = jiffies + carrier_timeout * HZ; while (!netif_carrier_ok(ndev)) { if (time_after(jiffies, atmost)) { - printk(KERN_NOTICE - "%s: timeout waiting for carrier\n", - np->name); + np_notice(np, "timeout waiting for carrier\n"); break; } msleep(1); @@ -831,9 +828,7 @@ int netpoll_setup(struct netpoll *np) */ if (time_before(jiffies, atleast)) { - printk(KERN_NOTICE "%s: carrier detect appears" - " untrustworthy, waiting 4 seconds\n", - np->name); + np_notice(np, "carrier detect appears untrustworthy, waiting 4 seconds\n"); msleep(4000); } } @@ -844,15 +839,15 @@ int netpoll_setup(struct netpoll *np) if (!in_dev || !in_dev->ifa_list) { rcu_read_unlock(); - printk(KERN_ERR "%s: no IP address for %s, aborting\n", - np->name, np->dev_name); + np_err(np, "no IP address for %s, aborting\n", + np->dev_name); err = -EDESTADDRREQ; goto put; } np->local_ip = in_dev->ifa_list->ifa_local; rcu_read_unlock(); - printk(KERN_INFO "%s: local IP %pI4\n", np->name, &np->local_ip); + np_info(np, "local IP %pI4\n", &np->local_ip); } np->dev = ndev; diff --git a/net/core/netprio_cgroup.c b/net/core/netprio_cgroup.c index 4dacc44..ba6900f 100644 --- a/net/core/netprio_cgroup.c +++ b/net/core/netprio_cgroup.c @@ -23,9 +23,8 @@ #include <net/sock.h> #include <net/netprio_cgroup.h> -static struct cgroup_subsys_state *cgrp_create(struct cgroup_subsys *ss, - struct cgroup *cgrp); -static void cgrp_destroy(struct cgroup_subsys *ss, struct cgroup *cgrp); +static struct cgroup_subsys_state *cgrp_create(struct cgroup *cgrp); +static void cgrp_destroy(struct cgroup *cgrp); static int cgrp_populate(struct cgroup_subsys *ss, struct cgroup *cgrp); struct cgroup_subsys net_prio_subsys = { @@ -121,8 +120,7 @@ static void update_netdev_tables(void) rtnl_unlock(); } -static struct cgroup_subsys_state *cgrp_create(struct cgroup_subsys *ss, - struct cgroup *cgrp) +static struct cgroup_subsys_state *cgrp_create(struct cgroup *cgrp) { struct cgroup_netprio_state *cs; int ret; @@ -146,7 +144,7 @@ static struct cgroup_subsys_state *cgrp_create(struct cgroup_subsys *ss, return &cs->css; } -static void cgrp_destroy(struct cgroup_subsys *ss, struct cgroup *cgrp) +static void cgrp_destroy(struct cgroup *cgrp) { struct cgroup_netprio_state *cs; struct net_device *dev; diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index f965dce..1a63c6e 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -1133,6 +1133,8 @@ static const struct nla_policy ifla_vf_policy[IFLA_VF_MAX+1] = { .len = sizeof(struct ifla_vf_vlan) }, [IFLA_VF_TX_RATE] = { .type = NLA_BINARY, .len = sizeof(struct ifla_vf_tx_rate) }, + [IFLA_VF_SPOOFCHK] = { .type = NLA_BINARY, + .len = sizeof(struct ifla_vf_spoofchk) }, }; static const struct nla_policy ifla_port_policy[IFLA_PORT_MAX+1] = { @@ -2019,8 +2021,13 @@ static int rtnetlink_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh) __rtnl_unlock(); rtnl = net->rtnl; - err = netlink_dump_start(rtnl, skb, nlh, dumpit, - NULL, min_dump_alloc); + { + struct netlink_dump_control c = { + .dump = dumpit, + .min_dump_alloc = min_dump_alloc, + }; + err = netlink_dump_start(rtnl, skb, nlh, &c); + } rtnl_lock(); return err; } diff --git a/net/core/skbuff.c b/net/core/skbuff.c index da0c97f..6eb656a 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -592,6 +592,7 @@ static void __copy_skb_header(struct sk_buff *new, const struct sk_buff *old) new->rxhash = old->rxhash; new->ooo_okay = old->ooo_okay; new->l4_rxhash = old->l4_rxhash; + new->no_fcs = old->no_fcs; #ifdef CONFIG_XFRM new->sp = secpath_get(old->sp); #endif @@ -2906,7 +2907,7 @@ int skb_gro_receive(struct sk_buff **head, struct sk_buff *skb) nskb->prev = p; nskb->data_len += p->len; - nskb->truesize += p->len; + nskb->truesize += p->truesize; nskb->len += p->len; *head = nskb; @@ -2916,6 +2917,7 @@ int skb_gro_receive(struct sk_buff **head, struct sk_buff *skb) p = nskb; merge: + p->truesize += skb->truesize - len; if (offset > headlen) { unsigned int eat = offset - headlen; diff --git a/net/core/sock.c b/net/core/sock.c index 95aff9c..9be6d0d 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -160,19 +160,19 @@ int mem_cgroup_sockets_init(struct cgroup *cgrp, struct cgroup_subsys *ss) out: list_for_each_entry_continue_reverse(proto, &proto_list, node) if (proto->destroy_cgroup) - proto->destroy_cgroup(cgrp, ss); + proto->destroy_cgroup(cgrp); mutex_unlock(&proto_list_mutex); return ret; } -void mem_cgroup_sockets_destroy(struct cgroup *cgrp, struct cgroup_subsys *ss) +void mem_cgroup_sockets_destroy(struct cgroup *cgrp) { struct proto *proto; mutex_lock(&proto_list_mutex); list_for_each_entry_reverse(proto, &proto_list, node) if (proto->destroy_cgroup) - proto->destroy_cgroup(cgrp, ss); + proto->destroy_cgroup(cgrp); mutex_unlock(&proto_list_mutex); } #endif @@ -793,6 +793,17 @@ set_rcvbuf: sock_valbool_flag(sk, SOCK_WIFI_STATUS, valbool); break; + case SO_PEEK_OFF: + if (sock->ops->set_peek_off) + sock->ops->set_peek_off(sk, val); + else + ret = -EOPNOTSUPP; + break; + + case SO_NOFCS: + sock_valbool_flag(sk, SOCK_NOFCS, valbool); + break; + default: ret = -ENOPROTOOPT; break; @@ -1018,6 +1029,15 @@ int sock_getsockopt(struct socket *sock, int level, int optname, v.val = !!sock_flag(sk, SOCK_WIFI_STATUS); break; + case SO_PEEK_OFF: + if (!sock->ops->set_peek_off) + return -EOPNOTSUPP; + + v.val = sk->sk_peek_off; + break; + case SO_NOFCS: + v.val = !!sock_flag(sk, SOCK_NOFCS); + break; default: return -ENOPROTOOPT; } @@ -2092,6 +2112,7 @@ void sock_init_data(struct socket *sock, struct sock *sk) sk->sk_sndmsg_page = NULL; sk->sk_sndmsg_off = 0; + sk->sk_peek_off = -1; sk->sk_peer_pid = NULL; sk->sk_peer_cred = NULL; |