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From: "jiangheng (G)" <jiangheng14@huawei.com>
To: "Xing, Beilei" <beilei.xing@intel.com>, "users@dpdk.org" <users@dpdk.org>,
Stephen Hemminger <stephen@networkplumber.org>
CC: "Fanbin(Kira,2012 Blue Lab.)" <fanbin12@huawei.com>
Subject: =?gb2312?B?tPC4tDogV2hldGhlciB0aGUgY3JlYXRhdGlvbiBvZiBmbG93IHJ1bGVzIG9m?=
=?gb2312?Q?_i40e_NIC_support_tcp_port_mask?=
Thread-Topic: Whether the creatation of flow rules of i40e NIC support tcp
port mask
Thread-Index: AdoA1zKopRhb/mz0T4qZQSq4v/eEUgAjryTQAABKRJA=
Date: Wed, 18 Oct 2023 02:19:18 +0000
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References: <ca071f7ccde7402ea223f7295e1cca4f@huawei.com>
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<div class=3D"WordSection1">
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"mso-fareast-language:Z=
H-CN">Hi Beilei:<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"mso-fareast-language:Z=
H-CN">What is the maximum number of flow rules supported by the i40e?<o:p><=
/o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"mso-fareast-language:Z=
H-CN">What about that situation: numbers of tcp connection is greater=
than the maximum number of flow rules.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"mso-fareast-language:Z=
H-CN"><o:p> </o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"mso-fareast-language:Z=
H-CN"><o:p> </o:p></span></p>
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<p class=3D"MsoNormal" align=3D"left" style=3D"text-align:left"><b><span st=
yle=3D"font-size:11.0pt;font-family:=B5=C8=CF=DF;mso-fareast-language:ZH-CN=
">=B7=A2=BC=FE=C8=CB<span lang=3D"EN-US">:</span></span></b><span lang=3D"E=
N-US" style=3D"font-size:11.0pt;font-family:=B5=C8=CF=DF;mso-fareast-langua=
ge:ZH-CN">
Xing, Beilei <beilei.xing@intel.com> <br>
</span><b><span style=3D"font-size:11.0pt;font-family:=B5=C8=CF=DF;mso-fare=
ast-language:ZH-CN">=B7=A2=CB=CD=CA=B1=BC=E4<span lang=3D"EN-US">:</span></=
span></b><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-family:=B5=C8=
=CF=DF;mso-fareast-language:ZH-CN"> 2023</span><span style=3D"font-size:11.=
0pt;font-family:=B5=C8=CF=DF;mso-fareast-language:ZH-CN">=C4=EA<span lang=
=3D"EN-US">10</span>=D4=C2<span lang=3D"EN-US">18</span>=C8=D5<span lang=3D=
"EN-US">
9:55<br>
</span><b>=CA=D5=BC=FE=C8=CB<span lang=3D"EN-US">:</span></b><span lang=3D"=
EN-US"> jiangheng (G) <jiangheng14@huawei.com>; users@dpdk.org<br>
</span><b>=B3=AD=CB=CD<span lang=3D"EN-US">:</span></b><span lang=3D"EN-US"=
> Fanbin(Kira,2012 Blue Lab.) <fanbin12@huawei.com><br>
</span><b>=D6=F7=CC=E2<span lang=3D"EN-US">:</span></b><span lang=3D"EN-US"=
> RE: Whether the creatation of flow rules of i40e NIC support tcp port mas=
k<o:p></o:p></span></span></p>
</div>
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<p class=3D"MsoNormal" align=3D"left" style=3D"text-align:left"><span lang=
=3D"EN-US"><o:p> </o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:11.0pt">Hi J=
iangheng, <o:p>
</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:11.0pt"><o:p=
> </o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:11.0pt">That=
=A1=AFs because i40e only supports perfect match.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:11.0pt"><o:p=
> </o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:11.0pt">BR,<=
o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:11.0pt">Beil=
ei<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:11.0pt"><o:p=
> </o:p></span></p>
<div style=3D"border:none;border-left:solid blue 1.5pt;padding:0cm 0cm 0cm =
4.0pt">
<div>
<div style=3D"border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm =
0cm 0cm">
<p class=3D"MsoNormal" align=3D"left" style=3D"text-align:left"><b><span la=
ng=3D"EN-US" style=3D"font-size:11.0pt">From:</span></b><span lang=3D"EN-US=
" style=3D"font-size:11.0pt"> jiangheng (G) <<a href=3D"mailto:jiangheng=
14@huawei.com">jiangheng14@huawei.com</a>>
<br>
<b>Sent:</b> Tuesday, October 17, 2023 4:52 PM<br>
<b>To:</b> Xing, Beilei <<a href=3D"mailto:beilei.xing@intel.com">beilei=
.xing@intel.com</a>>;
<a href=3D"mailto:users@dpdk.org">users@dpdk.org</a><br>
<b>Cc:</b> Fanbin(Kira,2012 Blue Lab.) <<a href=3D"mailto:fanbin12@huawe=
i.com">fanbin12@huawei.com</a>><br>
<b>Subject:</b> Whether the creatation of flow rules of i40e NIC support tc=
p port mask<o:p></o:p></span></p>
</div>
</div>
<p class=3D"MsoNormal" align=3D"left" style=3D"text-align:left"><span lang=
=3D"EN-US"><o:p> </o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">Hi beilei</span><span style=
=3D"font-family:=B5=C8=CF=DF;mso-fareast-language:ZH-CN">=A3=AC</span><span=
lang=3D"EN-US"><o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">I would like to create flows=
using tcp port mask, but it seems
<b>only mask 0xffff or 0x0 work</b>, Does flow rlue can be created using ot=
her mask?
<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">I40e dirver was using now. <=
o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"> <o:p></o:p=
></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">Here is my code:<o:p></o:p><=
/span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"> struct rt=
e_flow_attr attr;<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"> struct rt=
e_flow_item pattern[MAX_PATTERN_NUM];<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"> struct rt=
e_flow_action action[MAX_ACTION_NUM];<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"> struct rt=
e_flow *flow =3D NULL;<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"> struct rt=
e_flow_action_queue queue =3D { .index =3D queue_id };<o:p></o:p></span></p=
>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"> struct rt=
e_flow_item_ipv4 ip_spec;<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"> struct rt=
e_flow_item_ipv4 ip_mask;<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p> </o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"> stru=
ct rte_flow_item_tcp tcp_spec;<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"> struct rt=
e_flow_item_tcp tcp_mask;<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"> int res;<=
o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p> </o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"> mems=
et_s(pattern, sizeof(pattern), 0, sizeof(pattern));<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"> memset_s(=
action, sizeof(action), 0, sizeof(action));<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p> </o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"> /*<o=
:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"> * s=
et the rule attribute.<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"> * i=
n this case only ingress packets will be checked.<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"> */<=
o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"> memset_s(=
&attr, sizeof(struct rte_flow_attr), 0, sizeof(struct rte_flow_attr));<=
o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"> attr.ingr=
ess =3D 1;<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p> </o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"> /*<o=
:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"> * c=
reate the action sequence.<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"> * o=
ne action only, move packet to queue<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"> */<=
o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"> action[0]=
.type =3D RTE_FLOW_ACTION_TYPE_QUEUE;<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"> action[0]=
.conf =3D &queue;<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"> action[1]=
.type =3D RTE_FLOW_ACTION_TYPE_END;<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p> </o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"> // n=
ot limit eth header<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"> pattern[0=
].type =3D RTE_FLOW_ITEM_TYPE_ETH;<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p> </o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"> // i=
p header<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"> memset_s(=
&ip_spec, sizeof(struct rte_flow_item_ipv4), 0, sizeof(struct rte_flow_=
item_ipv4));<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"> memset_s(=
&ip_mask, sizeof(struct rte_flow_item_ipv4), 0, sizeof(struct rte_flow_=
item_ipv4));<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"> ip_spec.h=
dr.dst_addr =3D dst_ip;<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"> ip_mask.h=
dr.dst_addr =3D EMPTY_MASK;<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"> ip_spec.h=
dr.src_addr =3D src_ip;<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"> ip_mask.h=
dr.src_addr =3D EMPTY_MASK;<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"> pattern[1=
].type =3D RTE_FLOW_ITEM_TYPE_IPV4;<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"> pattern[1=
].spec =3D &ip_spec;<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"> pattern[1=
].mask =3D &ip_mask;<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p> </o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"> // t=
cp header, full mask 0xffff<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"> memset_s(=
&tcp_spec, sizeof(struct rte_flow_item_tcp), 0, sizeof(struct rte_flow_=
item_tcp));<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"> memset_s(=
&tcp_mask, sizeof(struct rte_flow_item_tcp), 0, sizeof(struct rte_flow_=
item_tcp));<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"> pattern[2=
].type =3D RTE_FLOW_ITEM_TYPE_TCP; // 2: pattern 2 is tcp header<o:p></o:p>=
</span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"> tcp_spec.=
hdr.src_port =3D src_port;<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"> tcp_spec.=
hdr.dst_port =3D dst_port;<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><b><span lang=3D"EN-US" style=3D"color:red"> =
; tcp_mask.hdr.src_port =3D 0xffff; // only 0xffff and 0x=
0 work<o:p></o:p></span></b></p>
<p class=3D"MsoPlainText"><b><span lang=3D"EN-US" style=3D"color:red"> =
; tcp_mask.hdr.dst_port =3D 0xffff; // only 0xffff and 0x0 work=
<o:p></o:p></span></b></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"> pattern[2=
].spec =3D &tcp_spec;<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"> pattern[2=
].mask =3D &tcp_mask;<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p> </o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"> /* t=
he final level must be always type end */<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"> pattern[3=
].type =3D RTE_FLOW_ITEM_TYPE_END;<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"> res =3D r=
te_flow_validate(port_id, &attr, pattern, action, error);<o:p></o:p></s=
pan></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"> if (!res)=
{<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"> &nbs=
p; flow =3D rte_flow_create(port_id, &attr, pattern, action=
, error);<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"> } else {<=
o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"> &nbs=
p; LSTACK_LOG(ERR, PORT, "rte_flow_create.rte_flow_validat=
e error, res %d \n", res);<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"> }<o:p></o=
:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p> </o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">Looking forward to your favo=
urable reply.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p> </o:p></span></p>
</div>
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