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-rw-r--r--Documentation/networking/ifenslave.c2
-rw-r--r--Documentation/networking/ip-sysctl.txt9
2 files changed, 9 insertions, 2 deletions
diff --git a/Documentation/networking/ifenslave.c b/Documentation/networking/ifenslave.c
index 2bac961..50f1dc4 100644
--- a/Documentation/networking/ifenslave.c
+++ b/Documentation/networking/ifenslave.c
@@ -539,12 +539,14 @@ static int if_getconfig(char *ifname)
metric = 0;
} else
metric = ifr.ifr_metric;
+ printf("The result of SIOCGIFMETRIC is %d\n", metric);
strcpy(ifr.ifr_name, ifname);
if (ioctl(skfd, SIOCGIFMTU, &ifr) < 0)
mtu = 0;
else
mtu = ifr.ifr_mtu;
+ printf("The result of SIOCGIFMTU is %d\n", mtu);
strcpy(ifr.ifr_name, ifname);
if (ioctl(skfd, SIOCGIFDSTADDR, &ifr) < 0) {
diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt
index bfe9242..890fce9 100644
--- a/Documentation/networking/ip-sysctl.txt
+++ b/Documentation/networking/ip-sysctl.txt
@@ -147,7 +147,7 @@ tcp_adv_win_scale - INTEGER
(if tcp_adv_win_scale > 0) or bytes-bytes/2^(-tcp_adv_win_scale),
if it is <= 0.
Possible values are [-31, 31], inclusive.
- Default: 2
+ Default: 1
tcp_allowed_congestion_control - STRING
Show/set the congestion control choices available to non-privileged
@@ -407,7 +407,7 @@ tcp_rmem - vector of 3 INTEGERs: min, default, max
net.core.rmem_max. Calling setsockopt() with SO_RCVBUF disables
automatic tuning of that socket's receive buffer size, in which
case this value is ignored.
- Default: between 87380B and 4MB, depending on RAM size.
+ Default: between 87380B and 6MB, depending on RAM size.
tcp_sack - BOOLEAN
Enable select acknowledgments (SACKS).
@@ -534,6 +534,11 @@ tcp_thin_dupack - BOOLEAN
Documentation/networking/tcp-thin.txt
Default: 0
+tcp_challenge_ack_limit - INTEGER
+ Limits number of Challenge ACK sent per second, as recommended
+ in RFC 5961 (Improving TCP's Robustness to Blind In-Window Attacks)
+ Default: 100
+
UDP variables:
udp_mem - vector of 3 INTEGERs: min, pressure, max