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[TCP]: Add tcp_available_congestion_control sysctl.

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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>
This commit is contained in:
Stephen Hemminger
2006-11-09 16:32:06 -08:00
committed by David S. Miller
parent b68dbcab1d
commit 3ff825b28d
5 changed files with 51 additions and 0 deletions
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4
include/net/tcp.h
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@@ -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);