diff options
Diffstat (limited to 'net/packet/af_packet.c')
| -rw-r--r-- | net/packet/af_packet.c | 25 |
1 files changed, 11 insertions, 14 deletions
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c index e3eeed19cc7a..e3beb28203eb 100644 --- a/net/packet/af_packet.c +++ b/net/packet/af_packet.c @@ -188,7 +188,6 @@ static int packet_set_ring(struct sock *sk, union tpacket_req_u *req_u, #define BLOCK_PRIV(x) ((void *)((char *)(x) + BLOCK_O2PRIV(x))) struct packet_sock; -static int tpacket_snd(struct packet_sock *po, struct msghdr *msg); static int tpacket_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt, struct net_device *orig_dev); @@ -196,8 +195,7 @@ static void *packet_previous_frame(struct packet_sock *po, struct packet_ring_buffer *rb, int status); static void packet_increment_head(struct packet_ring_buffer *buff); -static int prb_curr_blk_in_use(struct tpacket_kbdq_core *, - struct tpacket_block_desc *); +static int prb_curr_blk_in_use(struct tpacket_block_desc *); static void *prb_dispatch_next_block(struct tpacket_kbdq_core *, struct packet_sock *); static void prb_retire_current_block(struct tpacket_kbdq_core *, @@ -721,7 +719,7 @@ static void prb_retire_rx_blk_timer_expired(unsigned long data) /* Case 1. Queue was frozen because user-space was * lagging behind. */ - if (prb_curr_blk_in_use(pkc, pbd)) { + if (prb_curr_blk_in_use(pbd)) { /* * Ok, user-space is still behind. * So just refresh the timer. @@ -972,8 +970,7 @@ static void prb_retire_current_block(struct tpacket_kbdq_core *pkc, } } -static int prb_curr_blk_in_use(struct tpacket_kbdq_core *pkc, - struct tpacket_block_desc *pbd) +static int prb_curr_blk_in_use(struct tpacket_block_desc *pbd) { return TP_STATUS_USER & BLOCK_STATUS(pbd); } @@ -1064,7 +1061,7 @@ static void *__packet_lookup_frame_in_block(struct packet_sock *po, * Check if that last block which caused the queue to freeze, * is still in_use by user-space. */ - if (prb_curr_blk_in_use(pkc, pbd)) { + if (prb_curr_blk_in_use(pbd)) { /* Can't record this packet */ return NULL; } else { @@ -1320,7 +1317,7 @@ static void packet_sock_destruct(struct sock *sk) skb_queue_purge(&sk->sk_error_queue); WARN_ON(atomic_read(&sk->sk_rmem_alloc)); - WARN_ON(atomic_read(&sk->sk_wmem_alloc)); + WARN_ON(refcount_read(&sk->sk_wmem_alloc)); if (!sock_flag(sk, SOCK_DEAD)) { pr_err("Attempt to release alive packet socket: %p\n", sk); @@ -1742,7 +1739,7 @@ static int fanout_add(struct sock *sk, u16 id, u16 type_flags) match->flags = flags; INIT_LIST_HEAD(&match->list); spin_lock_init(&match->lock); - atomic_set(&match->sk_ref, 0); + refcount_set(&match->sk_ref, 0); fanout_init_data(match); match->prot_hook.type = po->prot_hook.type; match->prot_hook.dev = po->prot_hook.dev; @@ -1756,10 +1753,10 @@ static int fanout_add(struct sock *sk, u16 id, u16 type_flags) match->prot_hook.type == po->prot_hook.type && match->prot_hook.dev == po->prot_hook.dev) { err = -ENOSPC; - if (atomic_read(&match->sk_ref) < PACKET_FANOUT_MAX) { + if (refcount_read(&match->sk_ref) < PACKET_FANOUT_MAX) { __dev_remove_pack(&po->prot_hook); po->fanout = match; - atomic_inc(&match->sk_ref); + refcount_set(&match->sk_ref, refcount_read(&match->sk_ref) + 1); __fanout_link(sk, po); err = 0; } @@ -1788,7 +1785,7 @@ static struct packet_fanout *fanout_release(struct sock *sk) if (f) { po->fanout = NULL; - if (atomic_dec_and_test(&f->sk_ref)) + if (refcount_dec_and_test(&f->sk_ref)) list_del(&f->list); else f = NULL; @@ -2526,7 +2523,7 @@ static int tpacket_fill_skb(struct packet_sock *po, struct sk_buff *skb, skb->data_len = to_write; skb->len += to_write; skb->truesize += to_write; - atomic_add(to_write, &po->sk.sk_wmem_alloc); + refcount_add(to_write, &po->sk.sk_wmem_alloc); while (likely(to_write)) { nr_frags = skb_shinfo(skb)->nr_frags; @@ -4498,7 +4495,7 @@ static int packet_seq_show(struct seq_file *seq, void *v) seq_printf(seq, "%pK %-6d %-4d %04x %-5d %1d %-6u %-6u %-6lu\n", s, - atomic_read(&s->sk_refcnt), + refcount_read(&s->sk_refcnt), s->sk_type, ntohs(po->num), po->ifindex, |