diff options
| -rw-r--r-- | net/packet/af_packet.c | 78 |
1 files changed, 39 insertions, 39 deletions
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c index a6fa487..4445509 100644 --- a/net/packet/af_packet.c +++ b/net/packet/af_packet.c @@ -11,7 +11,7 @@ * Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG> * Alan Cox, <gw4pts@gw4pts.ampr.org> * - * Fixes: + * Fixes: * Alan Cox : verify_area() now used correctly * Alan Cox : new skbuff lists, look ma no backlogs! * Alan Cox : tidied skbuff lists. @@ -34,12 +34,12 @@ * Alexey Kuznetsov : Untied from IPv4 stack. * Cyrus Durgin : Fixed kerneld for kmod. * Michal Ostrowski : Module initialization cleanup. - * Ulises Alonso : Frame number limit removal and + * Ulises Alonso : Frame number limit removal and * packet_set_ring memory leak. * Eric Biederman : Allow for > 8 byte hardware addresses. * The convention is that longer addresses * will simply extend the hardware address - * byte arrays at the end of sockaddr_ll + * byte arrays at the end of sockaddr_ll * and packet_mreq. * * This program is free software; you can redistribute it and/or @@ -48,7 +48,7 @@ * 2 of the License, or (at your option) any later version. * */ - + #include <linux/types.h> #include <linux/sched.h> #include <linux/mm.h> @@ -124,7 +124,7 @@ Outgoing, dev->hard_header!=NULL Incoming, dev->hard_header==NULL mac.raw -> UNKNOWN position. It is very likely, that it points to ll header. - PPP makes it, that is wrong, because introduce assymetry + PPP makes it, that is wrong, because introduce assymetry between rx and tx paths. data -> data @@ -237,7 +237,7 @@ static inline char *packet_lookup_frame(struct packet_sock *po, unsigned int pos frame_offset = position % po->frames_per_block; frame = po->pg_vec[pg_vec_pos] + (frame_offset * po->frame_size); - + return frame; } #endif @@ -280,7 +280,7 @@ static int packet_rcv_spkt(struct sk_buff *skb, struct net_device *dev, struct */ sk = pt->af_packet_priv; - + /* * Yank back the headers [hope the device set this * right or kerboom...] @@ -336,7 +336,7 @@ oom: * Output a raw packet to a device layer. This bypasses all the other * protocol layers and you must therefore supply it with a complete frame */ - + static int packet_sendmsg_spkt(struct kiocb *iocb, struct socket *sock, struct msghdr *msg, size_t len) { @@ -346,9 +346,9 @@ static int packet_sendmsg_spkt(struct kiocb *iocb, struct socket *sock, struct net_device *dev; __be16 proto=0; int err; - + /* - * Get and verify the address. + * Get and verify the address. */ if (saddr) @@ -362,7 +362,7 @@ static int packet_sendmsg_spkt(struct kiocb *iocb, struct socket *sock, return(-ENOTCONN); /* SOCK_PACKET must be sent giving an address */ /* - * Find the device first to size check it + * Find the device first to size check it */ saddr->spkt_device[13] = 0; @@ -370,7 +370,7 @@ static int packet_sendmsg_spkt(struct kiocb *iocb, struct socket *sock, err = -ENODEV; if (dev == NULL) goto out_unlock; - + err = -ENETDOWN; if (!(dev->flags & IFF_UP)) goto out_unlock; @@ -379,7 +379,7 @@ static int packet_sendmsg_spkt(struct kiocb *iocb, struct socket *sock, * You may not queue a frame bigger than the mtu. This is the lowest level * raw protocol and you must do your own fragmentation at this level. */ - + err = -EMSGSIZE; if (len > dev->mtu + dev->hard_header_len) goto out_unlock; @@ -392,14 +392,14 @@ static int packet_sendmsg_spkt(struct kiocb *iocb, struct socket *sock, * deal with the problem - do your own algorithmic backoffs. That's far * more flexible. */ - - if (skb == NULL) + + if (skb == NULL) goto out_unlock; /* - * Fill it in + * Fill it in */ - + /* FIXME: Save some space for broken drivers that write a * hard header at transmission time by themselves. PPP is the * notable one here. This should really be fixed at the driver level. @@ -641,7 +641,7 @@ static int tpacket_rcv(struct sk_buff *skb, struct net_device *dev, struct packe spin_lock(&sk->sk_receive_queue.lock); h = (struct tpacket_hdr *)packet_lookup_frame(po, po->head); - + if (h->tp_status) goto ring_is_full; po->head = po->head != po->frame_max ? po->head+1 : 0; @@ -660,7 +660,7 @@ static int tpacket_rcv(struct sk_buff *skb, struct net_device *dev, struct packe h->tp_snaplen = snaplen; h->tp_mac = macoff; h->tp_net = netoff; - if (skb->tstamp.off_sec == 0) { + if (skb->tstamp.off_sec == 0) { __net_timestamp(skb); sock_enable_timestamp(sk); } @@ -700,7 +700,7 @@ drop_n_restore: skb->len = skb_len; } drop: - kfree_skb(skb); + kfree_skb(skb); return 0; ring_is_full: @@ -728,9 +728,9 @@ static int packet_sendmsg(struct kiocb *iocb, struct socket *sock, int ifindex, err, reserve = 0; /* - * Get and verify the address. + * Get and verify the address. */ - + if (saddr == NULL) { struct packet_sock *po = pkt_sk(sk); @@ -939,11 +939,11 @@ static int packet_bind_spkt(struct socket *sock, struct sockaddr *uaddr, int add char name[15]; struct net_device *dev; int err = -ENODEV; - + /* * Check legality */ - + if (addr_len != sizeof(struct sockaddr)) return -EINVAL; strlcpy(name,uaddr->sa_data,sizeof(name)); @@ -968,7 +968,7 @@ static int packet_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len /* * Check legality */ - + if (addr_len < sizeof(struct sockaddr_ll)) return -EINVAL; if (sll->sll_family != AF_PACKET) @@ -995,7 +995,7 @@ static struct proto packet_proto = { }; /* - * Create a packet of type SOCK_PACKET. + * Create a packet of type SOCK_PACKET. */ static int packet_create(struct socket *sock, int protocol) @@ -1097,7 +1097,7 @@ static int packet_recvmsg(struct kiocb *iocb, struct socket *sock, skb=skb_recv_datagram(sk,flags,flags&MSG_DONTWAIT,&err); /* - * An error occurred so return it. Because skb_recv_datagram() + * An error occurred so return it. Because skb_recv_datagram() * handles the blocking we don't see and worry about blocking * retries. */ @@ -1358,7 +1358,7 @@ packet_setsockopt(struct socket *sock, int level, int optname, char __user *optv switch(optname) { #ifdef CONFIG_PACKET_MULTICAST - case PACKET_ADD_MEMBERSHIP: + case PACKET_ADD_MEMBERSHIP: case PACKET_DROP_MEMBERSHIP: { struct packet_mreq_max mreq; @@ -1438,7 +1438,7 @@ static int packet_getsockopt(struct socket *sock, int level, int optname, if (len < 0) return -EINVAL; - + switch(optname) { case PACKET_STATISTICS: if (len > sizeof(struct tpacket_stats)) @@ -1547,7 +1547,7 @@ static int packet_ioctl(struct socket *sock, unsigned int cmd, } case SIOCGSTAMP: return sock_get_timestamp(sk, (struct timeval __user *)arg); - + #ifdef CONFIG_INET case SIOCADDRT: case SIOCDELRT: @@ -1608,7 +1608,7 @@ static void packet_mm_open(struct vm_area_struct *vma) struct file *file = vma->vm_file; struct socket * sock = file->private_data; struct sock *sk = sock->sk; - + if (sk) atomic_inc(&pkt_sk(sk)->mapped); } @@ -1618,7 +1618,7 @@ static void packet_mm_close(struct vm_area_struct *vma) struct file *file = vma->vm_file; struct socket * sock = file->private_data; struct sock *sk = sock->sk; - + if (sk) atomic_dec(&pkt_sk(sk)->mapped); } @@ -1682,7 +1682,7 @@ static int packet_set_ring(struct sock *sk, struct tpacket_req *req, int closing int was_running, order = 0; __be16 num; int err = 0; - + if (req->tp_block_nr) { int i, l; @@ -1744,7 +1744,7 @@ static int packet_set_ring(struct sock *sk, struct tpacket_req *req, int closing __sock_put(sk); } spin_unlock(&po->bind_lock); - + synchronize_net(); err = -EBUSY; @@ -1861,7 +1861,7 @@ static const struct proto_ops packet_ops = { .connect = sock_no_connect, .socketpair = sock_no_socketpair, .accept = sock_no_accept, - .getname = packet_getname, + .getname = packet_getname, .poll = packet_poll, .ioctl = packet_ioctl, .listen = sock_no_listen, @@ -1906,17 +1906,17 @@ static void *packet_seq_start(struct seq_file *seq, loff_t *pos) static void *packet_seq_next(struct seq_file *seq, void *v, loff_t *pos) { ++*pos; - return (v == SEQ_START_TOKEN) - ? sk_head(&packet_sklist) + return (v == SEQ_START_TOKEN) + ? sk_head(&packet_sklist) : sk_next((struct sock*)v) ; } static void packet_seq_stop(struct seq_file *seq, void *v) { - read_unlock(&packet_sklist_lock); + read_unlock(&packet_sklist_lock); } -static int packet_seq_show(struct seq_file *seq, void *v) +static int packet_seq_show(struct seq_file *seq, void *v) { if (v == SEQ_START_TOKEN) seq_puts(seq, "sk RefCnt Type Proto Iface R Rmem User Inode\n"); |
