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From: "Xu, Wei1" <wei1.xu@intel.com>
To: "Lu, Wenzhuo" <wenzhuo.lu@intel.com>, "Wu, Jingjing"
<jingjing.wu@intel.com>, "bernard.iremonger@inel.com"
<bernard.iremonger@inel.com>, "dev@dpdk.org" <dev@dpdk.org>
Subject: [PATCH] app/testpmd: fix parameters order when calling
rte_ether_addr_copy()
Thread-Topic: [PATCH] app/testpmd: fix parameters order when calling
rte_ether_addr_copy()
Thread-Index: AdfWC2I0yQfIDfUuT0qr7doTyxyMOg==
Date: Wed, 10 Nov 2021 08:17:59 +0000
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--_000_PH0PR11MB5159C100715402B318E8B086A6939PH0PR11MB5159namp_
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Running in 'csum' mode, the 'from' and 'to' parameters are not in correct
order when calling rte_ether_addr_copy() which means the src/dst mac addres=
ses
will be overwriten.
As a result, the packets will not be recognized and received by the receive=
r(s).
Test CLI:
./app/dpdk-testpmd -n 1 -l 1-2 -a 09:00.0 -- -i --forward-mode=3Dcsum
Fixes: 10f4620(app/testpmd: modify mac in csum forwarding)
Signed-off-by: Wei Xu wei1.xu@intel.com<mailto:wei1.xu@intel.com>
---
app/test-pmd/csumonly.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/app/test-pmd/csumonly.c b/app/test-pmd/csumonly.c
index 8526d9158a..08484fcda2 100644
--- a/app/test-pmd/csumonly.c
+++ b/app/test-pmd/csumonly.c
@@ -872,10 +872,10 @@ pkt_burst_checksum_forward(struct fwd_stream *fs)
* and inner headers */
eth_hdr =3D rte_pktmbuf_mtod(m, struct rte_et=
her_hdr *);
- rte_ether_addr_copy(&peer_eth_addrs[fs->peer_=
addr],
- ð_hdr->dst_a=
ddr);
- rte_ether_addr_copy(&ports[fs->tx_port].eth_a=
ddr,
- ð_hdr->src_a=
ddr);
+ rte_ether_addr_copy(ð_hdr->dst_addr,
+ &peer_eth_addrs[=
fs->peer_addr]);
+ rte_ether_addr_copy(ð_hdr->src_addr,
+ &ports[fs->tx_po=
rt].eth_addr);
parse_ethernet(eth_hdr, &info);
l3_hdr =3D (char *)eth_hdr + info.l2_len;
--_000_PH0PR11MB5159C100715402B318E8B086A6939PH0PR11MB5159namp_
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<div class=3D"WordSection1">
<p class=3D"MsoNormal">Running in 'csum' mode, the 'from' and 'to' paramete=
rs are not in correct<o:p></o:p></p>
<p class=3D"MsoNormal">order when calling rte_ether_addr_copy() which means=
the src/dst mac addresses<o:p></o:p></p>
<p class=3D"MsoNormal">will be overwriten.<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p> </o:p></p>
<p class=3D"MsoNormal">As a result, the packets will not be recognized and =
received by the receiver(s).<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p> </o:p></p>
<p class=3D"MsoNormal">Test CLI:<o:p></o:p></p>
<p class=3D"MsoNormal">./app/dpdk-testpmd -n 1 -l 1-2 -a 09:00.0 -- -i --fo=
rward-mode=3Dcsum<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p> </o:p></p>
<p class=3D"MsoNormal">Fixes: 10f4620(app/testpmd: modify mac in csum forwa=
rding)<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p> </o:p></p>
<p class=3D"MsoNormal">Signed-off-by: Wei Xu <a href=3D"mailto:wei1.xu@inte=
l.com">wei1.xu@intel.com</a><o:p></o:p></p>
<p class=3D"MsoNormal">---<o:p></o:p></p>
<p class=3D"MsoNormal">app/test-pmd/csumonly.c | 8 ++++----<o:p></o:p></p>
<p class=3D"MsoNormal">1 file changed, 4 insertions(+), 4 deletions(-)<o:p>=
</o:p></p>
<p class=3D"MsoNormal"><o:p> </o:p></p>
<p class=3D"MsoNormal">diff --git a/app/test-pmd/csumonly.c b/app/test-pmd/=
csumonly.c<o:p></o:p></p>
<p class=3D"MsoNormal">index 8526d9158a..08484fcda2 100644<o:p></o:p></p>
<p class=3D"MsoNormal">--- a/app/test-pmd/csumonly.c<o:p></o:p></p>
<p class=3D"MsoNormal">+++ b/app/test-pmd/csumonly.c<o:p></o:p></p>
<p class=3D"MsoNormal">@@ -872,10 +872,10 @@ pkt_burst_checksum_forward(str=
uct fwd_stream *fs)<o:p></o:p></p>
<p class=3D"MsoNormal"> &nbs=
p; &=
nbsp; * and inner headers */<o:p>=
</o:p></p>
<p class=3D"MsoNormal"><o:p></o:p></p>
<p class=3D"MsoNormal"> &nbs=
p; &=
nbsp; eth_hdr =3D rte_pktmbuf_mto=
d(m, struct rte_ether_hdr *);<o:p></o:p></p>
<p class=3D"MsoNormal">- &nb=
sp; =
rte_ether_addr_copy(&peer_et=
h_addrs[fs->peer_addr],<o:p></o:p></p>
<p class=3D"MsoNormal">- &nb=
sp; =
&nb=
sp; =
&a=
mp;eth_hdr->dst_addr);<o:p></o:p></p>
<p class=3D"MsoNormal">- &nb=
sp; =
rte_ether_addr_copy(&ports[f=
s->tx_port].eth_addr,<o:p></o:p></p>
<p class=3D"MsoNormal">- &nb=
sp; =
&nb=
sp; =
&a=
mp;eth_hdr->src_addr);<o:p></o:p></p>
<p class=3D"MsoNormal">+ &nb=
sp; =
rte_ether_addr_copy(&eth_hdr->d=
st_addr,<o:p></o:p></p>
<p class=3D"MsoNormal">+ &nb=
sp; =
&nb=
sp; =
&pee=
r_eth_addrs[fs->peer_addr]);<o:p></o:p></p>
<p class=3D"MsoNormal">+ &nb=
sp; =
rte_ether_addr_copy(&eth_hdr->s=
rc_addr,<o:p></o:p></p>
<p class=3D"MsoNormal">+ &nb=
sp; =
&nb=
sp; =
&por=
ts[fs->tx_port].eth_addr);<o:p></o:p></p>
<p class=3D"MsoNormal"> &nbs=
p; &=
nbsp; parse_ethernet(eth_hdr, &info=
);<o:p></o:p></p>
<p class=3D"MsoNormal"> &nbs=
p; &=
nbsp; l3_hdr =3D (char *)eth_hdr + info=
.l2_len;<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p> </o:p></p>
</div>
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