net: introduce SO_MAX_PACING_RATE

[pandora-kernel.git] / net / core / sock.c

diff --git a/net/core/sock.c b/net/core/sock.c
index 5b6beba..2bd9b3f 100644 (file)
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -914,6 +914,13 @@ set_rcvbuf:
                }
                break;
 #endif
+
+       case SO_MAX_PACING_RATE:
+               sk->sk_max_pacing_rate = val;
+               sk->sk_pacing_rate = min(sk->sk_pacing_rate,
+                                        sk->sk_max_pacing_rate);
+               break;
+
        default:
                ret = -ENOPROTOOPT;
                break;
@@ -1177,6 +1184,10 @@ int sock_getsockopt(struct socket *sock, int level, int optname,
                break;
 #endif
 
+       case SO_MAX_PACING_RATE:
+               v.val = sk->sk_max_pacing_rate;
+               break;
+
        default:
                return -ENOPROTOOPT;
        }
@@ -2319,6 +2330,7 @@ void sock_init_data(struct socket *sock, struct sock *sk)
        sk->sk_ll_usec          =       sysctl_net_busy_read;
 #endif
 
+       sk->sk_max_pacing_rate = ~0U;
        /*
         * Before updating sk_refcnt, we must commit prior changes to memory
         * (Documentation/RCU/rculist_nulls.txt for details)