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authorStephen Hemminger <shemminger@osdl.org>2006-11-09 16:32:06 -0800
committerDavid S. Miller <davem@sunset.davemloft.net>2006-12-02 21:21:48 -0800
commit3ff825b28d3345ef381eceae22bf9d92231f23dc (patch)
treec3ca6ec1888ff912e0434f6621ecb2e46e8826f3 /include/net/tcp.h
parentb68dbcab1dc70938fa5516d0ee82c0bf94e9a768 (diff)
downloadlinux-3ff825b28d3345ef381eceae22bf9d92231f23dc.tar.gz
[TCP]: Add tcp_available_congestion_control sysctl.
Create /proc/sys/net/ipv4/tcp_available_congestion_control that reflects currently available TCP choices. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/tcp.h')
-rw-r--r--include/net/tcp.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/net/tcp.h b/include/net/tcp.h
index 246916c2321e..6af4baf5b769 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -620,6 +620,9 @@ enum tcp_ca_event {
* Interface for adding new TCP congestion control handlers
*/
#define TCP_CA_NAME_MAX 16
+#define TCP_CA_MAX 128
+#define TCP_CA_BUF_MAX (TCP_CA_NAME_MAX*TCP_CA_MAX)
+
struct tcp_congestion_ops {
struct list_head list;
@@ -659,6 +662,7 @@ extern void tcp_init_congestion_control(struct sock *sk);
extern void tcp_cleanup_congestion_control(struct sock *sk);
extern int tcp_set_default_congestion_control(const char *name);
extern void tcp_get_default_congestion_control(char *name);
+extern void tcp_get_available_congestion_control(char *buf, size_t len);
extern int tcp_set_congestion_control(struct sock *sk, const char *name);
extern void tcp_slow_start(struct tcp_sock *tp);