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Increase SO_SNDBUF and SO_RCVBUF to 8MB to avoid drops in large networks.

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This commit is contained in:
Donald Sharp 2015-05-19 18:03:39 -07:00
parent 3f3dd76fcf
commit 60e42c52d6
1 changed files with 35 additions and 0 deletions
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35
ospf6d/ospf6_network.c
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@ -127,6 +127,9 @@ ospf6_sso (u_int ifindex, struct in6_addr *group, int option)
{
struct ipv6_mreq mreq6;
int ret;
int bufsize = (8 * 1024 * 1024);
int optval;
socklen_t optlen = sizeof(optval);
assert (ifindex);
mreq6.ipv6mr_interface = ifindex;
@ -137,6 +140,38 @@ ospf6_sso (u_int ifindex, struct in6_addr *group, int option)
if (ret < 0)
zlog_err ("Network: setsockopt (%d) on ifindex %d failed: %s",
option, ifindex, safe_strerror (errno));
if ((ret = setsockopt (ospf6_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 (ospf6_sock, SOL_SOCKET, SO_SNDBUF,
&optval, &optlen)) < 0)
{
zlog_err ("getsockopt of SO_SNDBUF failed with error %s\n", safe_strerror(errno));
}
else if (optval < bufsize)
{
zlog_err ("Unable to SO_SNDBUF to %d, set to %d\n", bufsize, optval);
}
if ((ret = setsockopt (ospf6_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 (ospf6_sock, SOL_SOCKET, SO_RCVBUF,
&optval, &optlen)) < 0)
{
zlog_err ("getsockopt of SO_RCVBUF failed with error %s\n", safe_strerror(errno));
}
else if (optval < bufsize)
{
zlog_err ("Unable to SO_RCVBUF to %d, set to %d\n", bufsize, optval);
}
}
static int