diff options
Diffstat (limited to 'net/packet/diag.c')
| -rw-r--r-- | net/packet/diag.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/net/packet/diag.c b/net/packet/diag.c index e3975e4d458c..bc33fbe8a5ef 100644 --- a/net/packet/diag.c +++ b/net/packet/diag.c @@ -109,6 +109,22 @@ static int pdiag_put_rings_cfg(struct packet_sock *po, struct sk_buff *skb) return ret; } +static int pdiag_put_fanout(struct packet_sock *po, struct sk_buff *nlskb) +{ + int ret = 0; + + mutex_lock(&fanout_mutex); + if (po->fanout) { + u32 val; + + val = (u32)po->fanout->id | ((u32)po->fanout->type << 16); + ret = nla_put_u32(nlskb, PACKET_DIAG_FANOUT, val); + } + mutex_unlock(&fanout_mutex); + + return ret; +} + static int sk_diag_fill(struct sock *sk, struct sk_buff *skb, struct packet_diag_req *req, u32 pid, u32 seq, u32 flags, int sk_ino) { @@ -139,6 +155,10 @@ static int sk_diag_fill(struct sock *sk, struct sk_buff *skb, struct packet_diag pdiag_put_rings_cfg(po, skb)) goto out_nlmsg_trim; + if ((req->pdiag_show & PACKET_SHOW_FANOUT) && + pdiag_put_fanout(po, skb)) + goto out_nlmsg_trim; + return nlmsg_end(skb, nlh); out_nlmsg_trim: |