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authorStephen Hemminger <shemminger@osdl.org>2005-11-10 17:09:53 -0800
committerDavid S. Miller <davem@davemloft.net>2005-11-10 17:09:53 -0800
commit9772efb970780aeed488c19d8b4afd46c3b484af (patch)
treede016aaa29c8a95e98c7abaa70c8b590160e2886 /include/linux
parent7faffa1c7fb9b8e8917e3225d4e2638270c0a48b (diff)
[TCP]: Appropriate Byte Count support
This is an updated version of the RFC3465 ABC patch originally for Linux 2.6.11-rc4 by Yee-Ting Li. ABC is a way of counting bytes ack'd rather than packets when updating congestion control. The orignal ABC described in the RFC applied to a Reno style algorithm. For advanced congestion control there is little change after leaving slow start. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/sysctl.h1
-rw-r--r--include/linux/tcp.h1
2 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/sysctl.h b/include/linux/sysctl.h
index 22cf5e1ac98..ab2791b3189 100644
--- a/include/linux/sysctl.h
+++ b/include/linux/sysctl.h
@@ -390,6 +390,7 @@ enum
NET_TCP_BIC_BETA=108,
NET_IPV4_ICMP_ERRORS_USE_INBOUND_IFADDR=109,
NET_TCP_CONG_CONTROL=110,
+ NET_TCP_ABC=111,
};
enum {
diff --git a/include/linux/tcp.h b/include/linux/tcp.h
index ac4ca44c75c..737b32e5295 100644
--- a/include/linux/tcp.h
+++ b/include/linux/tcp.h
@@ -326,6 +326,7 @@ struct tcp_sock {
__u32 snd_up; /* Urgent pointer */
__u32 total_retrans; /* Total retransmits for entire connection */
+ __u32 bytes_acked; /* Appropriate Byte Counting - RFC3465 */
unsigned int keepalive_time; /* time before keep alive takes place */
unsigned int keepalive_intvl; /* time interval between keep alive probes */