xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

net - IP_NODEFRAG option for IPv4 socket

Browse Source 
this patch is implementing IP_NODEFRAG option for IPv4 socket.
The reason is, there's no other way to send out the packet with user
customized header of the reassembly part.

Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiri Olsa
2010-06-15 01:07:31 +00:00
committed by David S. Miller
parent 01fc3e86c6
commit 7b2ff18ee7
5 changed files with 18 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
net/ipv4/ip_sockglue.c
View File

@@ -465,7 +465,7 @@ static int do_ip_setsockopt(struct sock *sk, int level,
(1<<IP_MTU_DISCOVER) | (1<<IP_RECVERR) |
(1<<IP_ROUTER_ALERT) | (1<<IP_FREEBIND) |
(1<<IP_PASSSEC) | (1<<IP_TRANSPARENT) |
(1<<IP_MINTTL))) ||
(1<<IP_MINTTL) | (1<<IP_NODEFRAG))) ||
optname == IP_MULTICAST_TTL ||
optname == IP_MULTICAST_ALL ||
optname == IP_MULTICAST_LOOP ||
@@ -588,6 +588,13 @@ static int do_ip_setsockopt(struct sock *sk, int level,
}
inet->hdrincl = val ? 1 : 0;
break;
case IP_NODEFRAG:
if (sk->sk_type != SOCK_RAW) {
err = -ENOPROTOOPT;
break;
}
inet->nodefrag = val ? 1 : 0;
break;
case IP_MTU_DISCOVER:
if (val < IP_PMTUDISC_DONT || val > IP_PMTUDISC_PROBE)
goto e_inval;