diff options
| author | laurent chavey <chavey@google.com> | 2009-12-15 13:05:15 +0000 |
|---|---|---|
| committer | Stephen Hemminger <stephen.hemminger@vyatta.com> | 2010-03-03 16:19:47 -0800 |
| commit | f5fd80039fb95242ad8d5796bdf2f52190a058b4 (patch) | |
| tree | 3834dbfd5c9f263c05fbf5e5d28bc145166ebee1 /ip | |
| parent | f703129d3441be2e014c58ae3e95314ba769315a (diff) | |
Add initrwnd to iproute2
Add initrwnd option parsing to iproute. This option uses the new
rtnetlink init_rcvwnd to set the TCP initial receive window size
advertised by passive and active TCP connections.
Signed-off-by: Laurent Chavey <chavey@google.com>
Diffstat (limited to 'ip')
| -rw-r--r-- | ip/iproute.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/ip/iproute.c b/ip/iproute.c index 1d73ab87..8252e182 100644 --- a/ip/iproute.c +++ b/ip/iproute.c @@ -46,6 +46,7 @@ static const char *mx_names[RTAX_MAX+1] = { [RTAX_INITCWND] = "initcwnd", [RTAX_FEATURES] = "features", [RTAX_RTO_MIN] = "rto_min", + [RTAX_INITRWND] = "initrwnd", }; static void usage(void) __attribute__((noreturn)); @@ -68,7 +69,7 @@ static void usage(void) fprintf(stderr, " [ rtt TIME ] [ rttvar TIME ] [reordering NUMBER ]\n"); fprintf(stderr, " [ window NUMBER] [ cwnd NUMBER ] [ initcwnd NUMBER ]\n"); fprintf(stderr, " [ ssthresh NUMBER ] [ realms REALM ] [ src ADDRESS ]\n"); - fprintf(stderr, " [ rto_min TIME ] [ hoplimit NUMBER ] \n"); + fprintf(stderr, " [ rto_min TIME ] [ hoplimit NUMBER ] [ initrwnd NUMBER ]\n"); fprintf(stderr, "TYPE := [ unicast | local | broadcast | multicast | throw |\n"); fprintf(stderr, " unreachable | prohibit | blackhole | nat ]\n"); fprintf(stderr, "TABLE_ID := [ local | main | default | all | NUMBER ]\n"); @@ -844,6 +845,16 @@ int iproute_modify(int cmd, unsigned flags, int argc, char **argv) if (get_unsigned(&win, *argv, 0)) invarg("\"initcwnd\" value is invalid\n", *argv); rta_addattr32(mxrta, sizeof(mxbuf), RTAX_INITCWND, win); + } else if (matches(*argv, "initrwnd") == 0) { + unsigned win; + NEXT_ARG(); + if (strcmp(*argv, "lock") == 0) { + mxlock |= (1<<RTAX_INITRWND); + NEXT_ARG(); + } + if (get_unsigned(&win, *argv, 0)) + invarg("\"initrwnd\" value is invalid\n", *argv); + rta_addattr32(mxrta, sizeof(mxbuf), RTAX_INITRWND, win); } else if (matches(*argv, "rttvar") == 0) { unsigned win; NEXT_ARG(); |