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| author |   David Lebrun <dlebrun@google.com> | 2018-03-29 17:59:36 +0100 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2018-03-30 14:14:33 -0400 |
| commit | 5807b22c9164a21cd1077a9bc587f0bba361f72d (patch) | |
| tree | 094028b3af4651eff263ba249e34946b24fbe0b7 /drivers/net/vrf.c | |
| parent | net/dim: Fix int overflow (diff) | |
| download | linux-dev-5807b22c9164a21cd1077a9bc587f0bba361f72d.tar.xz linux-dev-5807b22c9164a21cd1077a9bc587f0bba361f72d.zip | |
ipv6: sr: fix seg6 encap performances with TSO enabled
Enabling TSO can lead to abysmal performances when using seg6 in
encap mode, such as with the ixgbe driver. This patch adds a call to
iptunnel_handle_offloads() to remove the encapsulation bit if needed.
Before:
root@comp4-seg6bpf:~# iperf3 -c fc00::55
Connecting to host fc00::55, port 5201
[ 4] local fc45::4 port 36592 connected to fc00::55 port 5201
[ ID] Interval Transfer Bandwidth Retr Cwnd
[ 4] 0.00-1.00 sec 196 KBytes 1.60 Mbits/sec 47 6.66 KBytes
[ 4] 1.00-2.00 sec 304 KBytes 2.49 Mbits/sec 100 5.33 KBytes
[ 4] 2.00-3.00 sec 284 KBytes 2.32 Mbits/sec 92 5.33 KBytes
After:
root@comp4-seg6bpf:~# iperf3 -c fc00::55
Connecting to host fc00::55, port 5201
[ 4] local fc45::4 port 43062 connected to fc00::55 port 5201
[ ID] Interval Transfer Bandwidth Retr Cwnd
[ 4] 0.00-1.00 sec 1.03 GBytes 8.89 Gbits/sec 0 743 KBytes
[ 4] 1.00-2.00 sec 1.03 GBytes 8.87 Gbits/sec 0 743 KBytes
[ 4] 2.00-3.00 sec 1.03 GBytes 8.87 Gbits/sec 0 743 KBytes
Reported-by: Tom Herbert <tom@quantonium.net>
Fixes: 6c8702c60b88 ("ipv6: sr: add support for SRH encapsulation and injection with lwtunnels")
Signed-off-by: David Lebrun <dlebrun@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/vrf.c')
0 files changed, 0 insertions, 0 deletions