diff options
| author | Mike Chan <mike@android.com> | 2009-01-07 11:40:42 -0800 |
|---|---|---|
| committer | Colin Cross <ccross@android.com> | 2011-06-14 09:08:47 -0700 |
| commit | 807e5f648637be8f2d8290c3a08b6eb9f8d83065 (patch) | |
| tree | 6c9cf2dc215ba9aebedaeb1c772106d41032d5da /net/ipv4/tcp.c | |
| parent | 9b7a3a5c66efee5ae7e587d7c10377903888e581 (diff) | |
misc: uidstat: Adding uid stat driver to collect network statistics.
Signed-off-by: Mike Chan <mike@android.com>
Diffstat (limited to 'net/ipv4/tcp.c')
| -rw-r--r-- | net/ipv4/tcp.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index 054a59d21eb0..7764d4c73ee4 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -266,6 +266,7 @@ #include <linux/crypto.h> #include <linux/time.h> #include <linux/slab.h> +#include <linux/uid_stat.h> #include <net/icmp.h> #include <net/tcp.h> @@ -1112,6 +1113,9 @@ out: if (copied) tcp_push(sk, flags, mss_now, tp->nonagle); release_sock(sk); + + if (copied > 0) + uid_stat_tcp_snd(current_uid(), copied); return copied; do_fault: @@ -1388,8 +1392,11 @@ int tcp_read_sock(struct sock *sk, read_descriptor_t *desc, tcp_rcv_space_adjust(sk); /* Clean up data we have read: This will do ACK frames. */ - if (copied > 0) + if (copied > 0) { tcp_cleanup_rbuf(sk, copied); + uid_stat_tcp_rcv(current_uid(), copied); + } + return copied; } EXPORT_SYMBOL(tcp_read_sock); @@ -1771,6 +1778,9 @@ skip_copy: tcp_cleanup_rbuf(sk, copied); release_sock(sk); + + if (copied > 0) + uid_stat_tcp_rcv(current_uid(), copied); return copied; out: @@ -1779,6 +1789,8 @@ out: recv_urg: err = tcp_recv_urg(sk, msg, len, flags); + if (err > 0) + uid_stat_tcp_rcv(current_uid(), err); goto out; } EXPORT_SYMBOL(tcp_recvmsg); |