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authorEric Dumazet <edumazet@google.com>2013-10-19 11:42:57 -0700
committerDavid S. Miller <davem@davemloft.net>2013-10-19 19:36:19 -0400
commitcb32f511a70be8967ac9025cf49c44324ced9a39 (patch)
tree9e3fa3245096053bcf67cc61b60a72f3bb946008 /net/mpls/mpls_gso.c
parent3347c960295583eee3fd58e5c539fb1972fbc005 (diff)
ipip: add GSO/TSO support
Now inet_gso_segment() is stackable, its relatively easy to implement GSO/TSO support for IPIP Performance results, when segmentation is done after tunnel device (as no NIC is yet enabled for TSO IPIP support) : Before patch : lpq83:~# ./netperf -H 7.7.9.84 -Cc MIGRATED TCP STREAM TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to 7.7.9.84 () port 0 AF_INET Recv Send Send Utilization Service Demand Socket Socket Message Elapsed Send Recv Send Recv Size Size Size Time Throughput local remote local remote bytes bytes bytes secs. 10^6bits/s % S % S us/KB us/KB 87380 16384 16384 10.00 3357.88 5.09 3.70 2.983 2.167 After patch : lpq83:~# ./netperf -H 7.7.9.84 -Cc MIGRATED TCP STREAM TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to 7.7.9.84 () port 0 AF_INET Recv Send Send Utilization Service Demand Socket Socket Message Elapsed Send Recv Send Recv Size Size Size Time Throughput local remote local remote bytes bytes bytes secs. 10^6bits/s % S % S us/KB us/KB 87380 16384 16384 10.00 7710.19 4.52 6.62 1.152 1.687 Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/mpls/mpls_gso.c')
-rw-r--r--net/mpls/mpls_gso.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/net/mpls/mpls_gso.c b/net/mpls/mpls_gso.c
index 1bec1219ab81..851cd880b0c0 100644
--- a/net/mpls/mpls_gso.c
+++ b/net/mpls/mpls_gso.c
@@ -33,6 +33,7 @@ static struct sk_buff *mpls_gso_segment(struct sk_buff *skb,
SKB_GSO_DODGY |
SKB_GSO_TCP_ECN |
SKB_GSO_GRE |
+ SKB_GSO_IPIP |
SKB_GSO_MPLS)))
goto out;

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