From: Dinesh G Dutt <[email protected]> Set the RCVBUF and SNDBUF sizes to the maximum possible amount to handle traffic under duress.
Signed-off-by: Dinesh G Dutt <[email protected]> Reviewed-by: Ayan Banerjee <[email protected]> --- ospfd/ospf_network.c | 36 ++++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) diff --git a/ospfd/ospf_network.c b/ospfd/ospf_network.c index 900a566..2f167a5 100644 --- a/ospfd/ospf_network.c +++ b/ospfd/ospf_network.c @@ -165,6 +165,9 @@ ospf_sock_init (void) { int ospf_sock; int ret, hincl = 1; + int bufsize = (8 * 1024 * 1024); + int optval; + socklen_t optlen = sizeof(optval); if ( ospfd_privs.change (ZPRIVS_RAISE) ) zlog_err ("ospf_sock_init: could not raise privs, %s", @@ -223,6 +226,39 @@ ospf_sock_init (void) zlog_err ("ospf_sock_init: could not lower privs, %s", safe_strerror (errno) ); } + + if ((ret = setsockopt (ospf_sock, SOL_SOCKET, SO_RCVBUF, + &bufsize, sizeof (bufsize))) < 0) + { + zlog_err ("Couldn't increase raw rbuf size: %s\n", safe_strerror(errno)); + } + + if ((ret = getsockopt (ospf_sock, SOL_SOCKET, SO_RCVBUF, + &optval, &optlen)) < 0) + { + zlog_err("getsockopt of SO_RCVBUF failed with error %s\n", safe_strerror(errno)); + } + if (optval < bufsize) + { + zlog_err("Unable to SO_RCVBUF to %d, set to %d\n", bufsize, optval); + } + + + if ((ret = setsockopt (ospf_sock, SOL_SOCKET, SO_SNDBUF, + &bufsize, sizeof (bufsize))) < 0) + { + zlog_err ("Couldn't increase raw wbuf size: %s\n", safe_strerror(errno)); + } + + if ((ret = getsockopt (ospf_sock, SOL_SOCKET, SO_SNDBUF, + &optval, &optlen)) < 0) + { + zlog_err ("getsockopt of SO_SNDBUF failed with error %s\n", safe_strerror(errno)); + } + if (optval < bufsize) + { + zlog_err ("Unable to SO_SNDBUF to %d, set to %d\n", bufsize, optval); + } return ospf_sock; } -- 1.9.1 _______________________________________________ Quagga-dev mailing list [email protected] https://lists.quagga.net/mailman/listinfo/quagga-dev
