1XPRT_ADJUST_CWND(9)            Linux Networking            XPRT_ADJUST_CWND(9)
2
3
4

NAME

6       xprt_adjust_cwnd - adjust transport congestion window
7

SYNOPSIS

9       void xprt_adjust_cwnd(struct rpc_xprt * xprt, struct rpc_task * task,
10                             int result);
11

ARGUMENTS

13       xprt
14           pointer to xprt
15
16       task
17           recently completed RPC request used to adjust window
18
19       result
20           result code of completed RPC request
21

DESCRIPTION

23       The transport code maintains an estimate on the maximum number of out-
24       standing RPC requests, using a smoothed version of the congestion
25       avoidance implemented in 44BSD. This is basically the Van Jacobson
26

CONGESTION ALGORITHM

28       If a retransmit occurs, the congestion window is halved; otherwise, it
29       is incremented by 1/cwnd when
30
31       - a reply is received and - a full number of requests are outstanding
32       and - the congestion window hasn't been updated recently.
33

35Kernel Hackers Manual 3.10         June 2019               XPRT_ADJUST_CWND(9)
Impressum