Return-Path: From: Eyal Birger To: davem@davemloft.net Cc: willemb@google.com, edumazet@google.com, shmulik.ladkani@gmail.com, linux-bluetooth@vger.kernel.org, marcel@holtmann.org, netdev@vger.kernel.org, Eyal Birger Subject: [PATCH net-next v3 6/7] net: add common accessor for setting dropcount on packets Date: Sun, 1 Mar 2015 14:58:30 +0200 Message-Id: <1425214711-9562-7-git-send-email-eyal.birger@gmail.com> In-Reply-To: <1425214711-9562-1-git-send-email-eyal.birger@gmail.com> References: <1425214711-9562-1-git-send-email-eyal.birger@gmail.com> List-ID: As part of an effort to move skb->dropcount to skb->cb[], use a common function in order to set dropcount in struct sk_buff. Signed-off-by: Eyal Birger --- include/net/sock.h | 6 ++++++ net/core/sock.c | 2 +- net/packet/af_packet.c | 2 +- 3 files changed, 8 insertions(+), 2 deletions(-) diff --git a/include/net/sock.h b/include/net/sock.h index a2502d2..0996fe4 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -2081,6 +2081,12 @@ static inline int sock_intr_errno(long timeo) #define sock_skb_cb_check_size(size) \ BUILD_BUG_ON((size) > FIELD_SIZEOF(struct sk_buff, cb)) +static inline void +sock_skb_set_dropcount(const struct sock *sk, struct sk_buff *skb) +{ + skb->dropcount = atomic_read(&sk->sk_drops); +} + void __sock_recv_timestamp(struct msghdr *msg, struct sock *sk, struct sk_buff *skb); void __sock_recv_wifi_status(struct msghdr *msg, struct sock *sk, diff --git a/net/core/sock.c b/net/core/sock.c index 93c8b20..9c74fc8 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -466,7 +466,7 @@ int sock_queue_rcv_skb(struct sock *sk, struct sk_buff *skb) skb_dst_force(skb); spin_lock_irqsave(&list->lock, flags); - skb->dropcount = atomic_read(&sk->sk_drops); + sock_skb_set_dropcount(sk, skb); __skb_queue_tail(list, skb); spin_unlock_irqrestore(&list->lock, flags); diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c index 9cdb414..9db8369 100644 --- a/net/packet/af_packet.c +++ b/net/packet/af_packet.c @@ -1845,7 +1845,7 @@ static int packet_rcv(struct sk_buff *skb, struct net_device *dev, spin_lock(&sk->sk_receive_queue.lock); po->stats.stats1.tp_packets++; - skb->dropcount = atomic_read(&sk->sk_drops); + sock_skb_set_dropcount(sk, skb); __skb_queue_tail(&sk->sk_receive_queue, skb); spin_unlock(&sk->sk_receive_queue.lock); sk->sk_data_ready(sk); -- 2.1.4