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From: bugzilla@dpdk.org
To: dev@dpdk.org
Subject: [DPDK/other Bug 1402] net/ice: vlan stripping is broken
Date: Thu, 14 Mar 2024 10:11:58 +0000
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Date: Thu, 14 Mar 2024 11:11:58 +0100
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https://bugs.dpdk.org/show_bug.cgi?id=3D1402
Bug ID: 1402
Summary: net/ice: vlan stripping is broken
Product: DPDK
Version: 23.07
Hardware: All
OS: All
Status: UNCONFIRMED
Severity: normal
Priority: Normal
Component: other
Assignee: dev@dpdk.org
Reporter: david.marchand@redhat.com
Target Milestone: ---
Following de5da9d16430 ("net/ice: support double VLAN"), "single" vlan
stripping is broken with net/ice devices.
This was reported on the users@ mailing list.
https://inbox.dpdk.org/users/CAJFAV8xvLmPrdVMyhBm0daCLcpG47D0z6vFMzjhjdKbLe=
rFKuw@mail.gmail.com/T/#t
Basically, vlan does not get stripped and the vlan tci is not put in mbuf
metadata:
With v24.03-rc2:
# ./build/app/dpdk-testpmd -a 0000:04:00.0 -- --enable-hw-vlan-strip -i
...
ice_load_pkg_type(): Active package is: 1.3.30.0, ICE OS Default
Package (double VLAN mode)
...
testpmd> set verbose 1
Change verbose level from 0 to 1
testpmd> start
...
port 0/queue 0: received 1 packets
src=3D00:00:00:00:00:00 - dst=3DFF:FF:FF:FF:FF:FF - pool=3Dmb_pool_0 -
type=3D0x8100 - length=3D60 - nb_segs=3D1 - hw ptype: L2_ETHER
L3_IPV4_EXT_UNKNOWN L4_NONFRAG - sw ptype: L2_ETHER_VLAN L3_IPV4 -
l2_len=3D18 - l3_len=3D20 - Receive queue=3D0x0
ol_flags: RTE_MBUF_F_RX_L4_CKSUM_GOOD RTE_MBUF_F_RX_IP_CKSUM_GOOD
RTE_MBUF_F_RX_OUTER_L4_CKSUM_GOOD
After reverting the commit:
port 0/queue 0: received 1 packets
src=3D00:00:00:00:00:00 - dst=3DFF:FF:FF:FF:FF:FF - pool=3Dmb_pool_0 -
type=3D0x0800 - length=3D60 - nb_segs=3D1 - VLAN tci=3D0x2a - hw ptype:
L2_ETHER L3_IPV4_EXT_UNKNOWN L4_NONFRAG - sw ptype: L2_ETHER L3_IPV4
- l2_len=3D14 - l3_len=3D20 - Receive queue=3D0x0
ol_flags: RTE_MBUF_F_RX_VLAN RTE_MBUF_F_RX_L4_CKSUM_GOOD
RTE_MBUF_F_RX_IP_CKSUM_GOOD RTE_MBUF_F_RX_VLAN_STRIPPED
RTE_MBUF_F_RX_OUTER_L4_CKSUM_GOOD
--=20
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Date: Thu, 14 Mar 2024 11:11:58 +0100
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<html>
<head>
<base href=3D"https://bugs.dpdk.org/">
</head>
<body><table border=3D"1" cellspacing=3D"0" cellpadding=3D"8" class=3D"=
bz_new_table">
<tr>
<th>Bug ID</th>
<td><a class=3D"bz_bug_link=20
bz_status_UNCONFIRMED "
title=3D"UNCONFIRMED - net/ice: vlan stripping is broken"
href=3D"https://bugs.dpdk.org/show_bug.cgi?id=3D1402">1402</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>net/ice: vlan stripping is broken
</td>
</tr>
<tr>
<th>Product</th>
<td>DPDK
</td>
</tr>
<tr>
<th>Version</th>
<td>23.07
</td>
</tr>
<tr>
<th>Hardware</th>
<td>All
</td>
</tr>
<tr>
<th>OS</th>
<td>All
</td>
</tr>
<tr>
<th>Status</th>
<td>UNCONFIRMED
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>Normal
</td>
</tr>
<tr>
<th>Component</th>
<td>other
</td>
</tr>
<tr>
<th>Assignee</th>
<td>dev@dpdk.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>david.marchand@redhat.com
</td>
</tr>
<tr>
<th>Target Milestone</th>
<td>---
</td>
</tr></table>
<p>
<div class=3D"bz_comment_block">
<pre class=3D"bz_comment_text">Following de5da9d16430 ("net/=
ice: support double VLAN"), "single" vlan
stripping is broken with net/ice devices.
This was reported on the users@ mailing list.
<a href=3D"https://inbox.dpdk.org/users/CAJFAV8xvLmPrdVMyhBm0daCLcpG47D0z6v=
FMzjhjdKbLerFKuw@mail.gmail.com/T/#t">https://inbox.dpdk.org/users/CAJF=
AV8xvLmPrdVMyhBm0daCLcpG47D0z6vFMzjhjdKbLerFKuw@mail.gmail.com/T/#t</a>
Basically, vlan does not get stripped and the vlan tci is not put in mbuf
metadata:
With v24.03-rc2:
# ./build/app/dpdk-testpmd -a 0000:04:00.0 -- --enable-hw-vlan-strip -i
...
ice_load_pkg_type(): Active package is: 1.3.30.0, ICE OS Default
Package (double VLAN mode)
...
testpmd> set verbose 1
Change verbose level from 0 to 1
testpmd> start
...
port 0/queue 0: received 1 packets
src=3D00:00:00:00:00:00 - dst=3DFF:FF:FF:FF:FF:FF - pool=3Dmb_pool_0 -
type=3D0x8100 - length=3D60 - nb_segs=3D1 - hw ptype: L2_ETHER
L3_IPV4_EXT_UNKNOWN L4_NONFRAG - sw ptype: L2_ETHER_VLAN L3_IPV4 -
l2_len=3D18 - l3_len=3D20 - Receive queue=3D0x0
ol_flags: RTE_MBUF_F_RX_L4_CKSUM_GOOD RTE_MBUF_F_RX_IP_CKSUM_GOOD
RTE_MBUF_F_RX_OUTER_L4_CKSUM_GOOD
After reverting the commit:
port 0/queue 0: received 1 packets
src=3D00:00:00:00:00:00 - dst=3DFF:FF:FF:FF:FF:FF - pool=3Dmb_pool_0 -
type=3D0x0800 - length=3D60 - nb_segs=3D1 - VLAN tci=3D0x2a - hw ptype:
L2_ETHER L3_IPV4_EXT_UNKNOWN L4_NONFRAG - sw ptype: L2_ETHER L3_IPV4
- l2_len=3D14 - l3_len=3D20 - Receive queue=3D0x0
ol_flags: RTE_MBUF_F_RX_VLAN RTE_MBUF_F_RX_L4_CKSUM_GOOD
RTE_MBUF_F_RX_IP_CKSUM_GOOD RTE_MBUF_F_RX_VLAN_STRIPPED
RTE_MBUF_F_RX_OUTER_L4_CKSUM_GOOD
</pre>
</div>
</p>
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