€•%     Œsphinx.addnodes”Œdocument”“”)”}”(Œ	rawsource”Œ ”Œchildren”]”(Œtranslations”ŒLanguagesNode”“”)”}”(hhh]”(h Œpending_xref”“”)”}”(hhh]”Œdocutils.nodes”ŒText”“”ŒChinese (Simplified)”…””}”Œparent”hsbaŒ
attributes”}”(Œids”]”Œclasses”]”Œnames”]”Œdupnames”]”Œbackrefs”]”Œ	refdomain”Œstd”Œreftype”Œdoc”Œ	reftarget”Œ>/translations/zh_CN/networking/device_drivers/ethernet/ti/cpsw”Œmodname”NŒ	classname”NŒrefexplicit”ˆuŒtagname”hhhubh)”}”(hhh]”hŒChinese (Traditional)”…””}”hh2sbah}”(h]”h ]”h"]”h$]”h&]”Œ	refdomain”h)Œreftype”h+Œ	reftarget”Œ>/translations/zh_TW/networking/device_drivers/ethernet/ti/cpsw”Œmodname”NŒ	classname”NŒrefexplicit”ˆuh1hhhubh)”}”(hhh]”hŒItalian”…””}”hhFsbah}”(h]”h ]”h"]”h$]”h&]”Œ	refdomain”h)Œreftype”h+Œ	reftarget”Œ>/translations/it_IT/networking/device_drivers/ethernet/ti/cpsw”Œmodname”NŒ	classname”NŒrefexplicit”ˆuh1hhhubh)”}”(hhh]”hŒJapanese”…””}”hhZsbah}”(h]”h ]”h"]”h$]”h&]”Œ	refdomain”h)Œreftype”h+Œ	reftarget”Œ>/translations/ja_JP/networking/device_drivers/ethernet/ti/cpsw”Œmodname”NŒ	classname”NŒrefexplicit”ˆuh1hhhubh)”}”(hhh]”hŒKorean”…””}”hhnsbah}”(h]”h ]”h"]”h$]”h&]”Œ	refdomain”h)Œreftype”h+Œ	reftarget”Œ>/translations/ko_KR/networking/device_drivers/ethernet/ti/cpsw”Œmodname”NŒ	classname”NŒrefexplicit”ˆuh1hhhubh)”}”(hhh]”hŒSpanish”…””}”hh‚sbah}”(h]”h ]”h"]”h$]”h&]”Œ	refdomain”h)Œreftype”h+Œ	reftarget”Œ>/translations/sp_SP/networking/device_drivers/ethernet/ti/cpsw”Œmodname”NŒ	classname”NŒrefexplicit”ˆuh1hhhubeh}”(h]”h ]”h"]”h$]”h&]”Œcurrent_language”ŒEnglish”uh1h
hhŒ	_document”hŒsource”NŒline”NubhŒcomment”“”)”}”(hŒ SPDX-License-Identifier: GPL-2.0”h]”hŒ SPDX-License-Identifier: GPL-2.0”…””}”hh£sbah}”(h]”h ]”h"]”h$]”h&]”Œ	xml:space”Œpreserve”uh1h¡hhhžhhŸŒX/var/lib/git/docbuild/linux/Documentation/networking/device_drivers/ethernet/ti/cpsw.rst”h KubhŒsection”“”)”}”(hhh]”(hŒtitle”“”)”}”(hŒ&Texas Instruments CPSW ethernet driver”h]”hŒ&Texas Instruments CPSW ethernet driver”…””}”(hh»hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h¹hh¶hžhhŸh³h Kubhµ)”}”(hhh]”(hº)”}”(hŒMultiqueue & CBS & MQPRIO”h]”hŒMultiqueue & CBS & MQPRIO”…””}”(hhÌhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h¹hhÉhžhhŸh³h KubhŒ	paragraph”“”)”}”(hŒ÷The cpsw has 3 CBS shapers for each external ports. This document
describes MQPRIO and CBS Qdisc offload configuration for cpsw driver
based on examples. It potentially can be used in audio video bridging
(AVB) and time sensitive networking (TSN).”h]”hŒ÷The cpsw has 3 CBS shapers for each external ports. This document
describes MQPRIO and CBS Qdisc offload configuration for cpsw driver
based on examples. It potentially can be used in audio video bridging
(AVB) and time sensitive networking (TSN).”…””}”(hhÜhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÚhŸh³h KhhÉhžhubhÛ)”}”(hŒ@The following examples were tested on AM572x EVM and BBB boards.”h]”hŒ@The following examples were tested on AM572x EVM and BBB boards.”…””}”(hhêhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÚhŸh³h KhhÉhžhubeh}”(h]”Œmultiqueue-cbs-mqprio”ah ]”h"]”Œmultiqueue & cbs & mqprio”ah$]”h&]”uh1h´hh¶hžhhŸh³h Kubhµ)”}”(hhh]”(hº)”}”(hŒ
Test setup”h]”hŒ
Test setup”…””}”(hj  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h¹hj   hžhhŸh³h KubhÛ)”}”(hŒWUnder consideration two examples with AM572x EVM running cpsw driver
in dual_emac mode.”h]”hŒWUnder consideration two examples with AM572x EVM running cpsw driver
in dual_emac mode.”…””}”(hj  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÚhŸh³h Khj   hžhubhÛ)”}”(hŒSeveral prerequisites:”h]”hŒSeveral prerequisites:”…””}”(hj  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÚhŸh³h Khj   hžhubhŒbullet_list”“”)”}”(hhh]”(hŒ	list_item”“”)”}”(hŒDTX queues must be rated starting from txq0 that has highest priority”h]”hÛ)”}”(hj6  h]”hŒDTX queues must be rated starting from txq0 that has highest priority”…””}”(hj8  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÚhŸh³h Khj4  ubah}”(h]”h ]”h"]”h$]”h&]”uh1j2  hj/  hžhhŸh³h Nubj3  )”}”(hŒCTraffic classes are used starting from 0, that has highest priority”h]”hÛ)”}”(hjM  h]”hŒCTraffic classes are used starting from 0, that has highest priority”…””}”(hjO  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÚhŸh³h KhjK  ubah}”(h]”h ]”h"]”h$]”h&]”uh1j2  hj/  hžhhŸh³h Nubj3  )”}”(hŒ,CBS shapers should be used with rated queues”h]”hÛ)”}”(hjd  h]”hŒ,CBS shapers should be used with rated queues”…””}”(hjf  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÚhŸh³h Khjb  ubah}”(h]”h ]”h"]”h$]”h&]”uh1j2  hj/  hžhhŸh³h Nubj3  )”}”(hŒ˜The bandwidth for CBS shapers has to be set a little bit more then
potential incoming rate, thus, rate of all incoming tx queues has
to be a little less”h]”hÛ)”}”(hŒ˜The bandwidth for CBS shapers has to be set a little bit more then
potential incoming rate, thus, rate of all incoming tx queues has
to be a little less”h]”hŒ˜The bandwidth for CBS shapers has to be set a little bit more then
potential incoming rate, thus, rate of all incoming tx queues has
to be a little less”…””}”(hj}  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÚhŸh³h Khjy  ubah}”(h]”h ]”h"]”h$]”h&]”uh1j2  hj/  hžhhŸh³h Nubj3  )”}”(hŒ*Real rates can differ, due to discreetness”h]”hÛ)”}”(hj“  h]”hŒ*Real rates can differ, due to discreetness”…””}”(hj•  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÚhŸh³h K hj‘  ubah}”(h]”h ]”h"]”h$]”h&]”uh1j2  hj/  hžhhŸh³h Nubj3  )”}”(hŒqMap skb-priority to txq is not enough, also skb-priority to l2 prio
map has to be created with ip or vconfig tool”h]”hÛ)”}”(hŒqMap skb-priority to txq is not enough, also skb-priority to l2 prio
map has to be created with ip or vconfig tool”h]”hŒqMap skb-priority to txq is not enough, also skb-priority to l2 prio
map has to be created with ip or vconfig tool”…””}”(hj¬  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÚhŸh³h K!hj¨  ubah}”(h]”h ]”h"]”h$]”h&]”uh1j2  hj/  hžhhŸh³h Nubj3  )”}”(hŒgAny l2/socket prio (0 - 7) for classes can be used, but for
simplicity default values are used: 3 and 2”h]”hÛ)”}”(hŒgAny l2/socket prio (0 - 7) for classes can be used, but for
simplicity default values are used: 3 and 2”h]”hŒgAny l2/socket prio (0 - 7) for classes can be used, but for
simplicity default values are used: 3 and 2”…””}”(hjÄ  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÚhŸh³h K#hjÀ  ubah}”(h]”h ]”h"]”h$]”h&]”uh1j2  hj/  hžhhŸh³h Nubj3  )”}”(hŒwonly 2 classes tested: A and B, but checked and can work with more,
maximum allowed 4, but only for 3 rate can be set.
”h]”hÛ)”}”(hŒvonly 2 classes tested: A and B, but checked and can work with more,
maximum allowed 4, but only for 3 rate can be set.”h]”hŒvonly 2 classes tested: A and B, but checked and can work with more,
maximum allowed 4, but only for 3 rate can be set.”…””}”(hjÜ  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÚhŸh³h K%hjØ  ubah}”(h]”h ]”h"]”h$]”h&]”uh1j2  hj/  hžhhŸh³h Nubeh}”(h]”h ]”h"]”h$]”h&]”Œbullet”Œ-”uh1j-  hŸh³h Khj   hžhubeh}”(h]”Œ
test-setup”ah ]”h"]”Œ
test setup”ah$]”h&]”uh1h´hh¶hžhhŸh³h Kubhµ)”}”(hhh]”(hº)”}”(hŒTest setup for examples”h]”hŒTest setup for examples”…””}”(hj  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h¹hj   hžhhŸh³h K)ubhŒliteral_block”“”)”}”(hX—                                      +-------------------------------+
                                    |--+                            |
                                    |  |      Workstation0          |
                                    |E |  MAC 18:03:73:66:87:42     |
+-----------------------------+  +--|t |                            |
|                    | 1  | E |  |  |h |./tsn_listener -d \         |
|  Target board:     | 0  | t |--+  |0 | 18:03:73:66:87:42 -i eth0 \|
|  AM572x EVM        | 0  | h |     |  | -s 1500                    |
|                    | 0  | 0 |     |--+                            |
|  Only 2 classes:   |Mb  +---|     +-------------------------------+
|  class A, class B  |        |
|                    |    +---|     +-------------------------------+
|                    | 1  | E |     |--+                            |
|                    | 0  | t |     |  |      Workstation1          |
|                    | 0  | h |--+  |E |  MAC 20:cf:30:85:7d:fd     |
|                    |Mb  | 1 |  +--|t |                            |
+-----------------------------+     |h |./tsn_listener -d \         |
                                    |0 | 20:cf:30:85:7d:fd -i eth0 \|
                                    |  | -s 1500                    |
                                    |--+                            |
                                    +-------------------------------+”h]”hX—                                      +-------------------------------+
                                    |--+                            |
                                    |  |      Workstation0          |
                                    |E |  MAC 18:03:73:66:87:42     |
+-----------------------------+  +--|t |                            |
|                    | 1  | E |  |  |h |./tsn_listener -d \         |
|  Target board:     | 0  | t |--+  |0 | 18:03:73:66:87:42 -i eth0 \|
|  AM572x EVM        | 0  | h |     |  | -s 1500                    |
|                    | 0  | 0 |     |--+                            |
|  Only 2 classes:   |Mb  +---|     +-------------------------------+
|  class A, class B  |        |
|                    |    +---|     +-------------------------------+
|                    | 1  | E |     |--+                            |
|                    | 0  | t |     |  |      Workstation1          |
|                    | 0  | h |--+  |E |  MAC 20:cf:30:85:7d:fd     |
|                    |Mb  | 1 |  +--|t |                            |
+-----------------------------+     |h |./tsn_listener -d \         |
                                    |0 | 20:cf:30:85:7d:fd -i eth0 \|
                                    |  | -s 1500                    |
                                    |--+                            |
                                    +-------------------------------+”…””}”hj  sbah}”(h]”h ]”h"]”h$]”h&]”h±h²uh1j  hŸh³h K-hj   hžhubhµ)”}”(hhh]”(hº)”}”(hŒ@Example 1: One port tx AVB configuration scheme for target board”h]”hŒ@Example 1: One port tx AVB configuration scheme for target board”…””}”(hj$  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h¹hj!  hžhhŸh³h KEubhÛ)”}”(hŒE(prints and scheme for AM572x evm, applicable for single port boards)”h]”hŒE(prints and scheme for AM572x evm, applicable for single port boards)”…””}”(hj2  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÚhŸh³h KGhj!  hžhubj.  )”}”(hhh]”(j3  )”}”(hŒtc - traffic class”h]”hÛ)”}”(hjE  h]”hŒtc - traffic class”…””}”(hjG  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÚhŸh³h KIhjC  ubah}”(h]”h ]”h"]”h$]”h&]”uh1j2  hj@  hžhhŸh³h Nubj3  )”}”(hŒtxq - transmit queue”h]”hÛ)”}”(hj\  h]”hŒtxq - transmit queue”…””}”(hj^  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÚhŸh³h KJhjZ  ubah}”(h]”h ]”h"]”h$]”h&]”uh1j2  hj@  hžhhŸh³h Nubj3  )”}”(hŒp - priority”h]”hÛ)”}”(hjs  h]”hŒp - priority”…””}”(hju  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÚhŸh³h KKhjq  ubah}”(h]”h ]”h"]”h$]”h&]”uh1j2  hj@  hžhhŸh³h Nubj3  )”}”(hŒf - fifo (cpsw fifo)”h]”hÛ)”}”(hjŠ  h]”hŒf - fifo (cpsw fifo)”…””}”(hjŒ  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÚhŸh³h KLhjˆ  ubah}”(h]”h ]”h"]”h$]”h&]”uh1j2  hj@  hžhhŸh³h Nubj3  )”}”(hŒS - shaper configured
”h]”hÛ)”}”(hŒS - shaper configured”h]”hŒS - shaper configured”…””}”(hj£  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÚhŸh³h KMhjŸ  ubah}”(h]”h ]”h"]”h$]”h&]”uh1j2  hj@  hžhhŸh³h Nubeh}”(h]”h ]”h"]”h$]”h&]”jö  j÷  uh1j-  hŸh³h KIhj!  hžhubj  )”}”(hXù  +------------------------------------------------------------------+ u
| +---------------+  +---------------+  +------+ +------+          | s
| |               |  |               |  |      | |      |          | e
| | App 1         |  | App 2         |  | Apps | | Apps |          | r
| | Class A       |  | Class B       |  | Rest | | Rest |          |
| | Eth0          |  | Eth0          |  | Eth0 | | Eth1 |          | s
| | VLAN100       |  | VLAN100       |  |   |  | |   |  |          | p
| | 40 Mb/s       |  | 20 Mb/s       |  |   |  | |   |  |          | a
| | SO_PRIORITY=3 |  | SO_PRIORITY=2 |  |   |  | |   |  |          | c
| |   |           |  |   |           |  |   |  | |   |  |          | e
| +---|-----------+  +---|-----------+  +---|--+ +---|--+          |
+-----|------------------|------------------|--------|-------------+
    +-+     +------------+                  |        |
    |       |             +-----------------+     +--+
    |       |             |                       |
+---|-------|-------------|-----------------------|----------------+
| +----+ +----+ +----+ +----+                   +----+             |
| | p3 | | p2 | | p1 | | p0 |                   | p0 |             | k
| \    / \    / \    / \    /                   \    /             | e
|  \  /   \  /   \  /   \  /                     \  /              | r
|   \/     \/     \/     \/                       \/               | n
|    |     |             |                        |                | e
|    |     |       +-----+                        |                | l
|    |     |       |                              |                |
| +----+ +----+ +----+                          +----+             | s
| |tc0 | |tc1 | |tc2 |                          |tc0 |             | p
| \    / \    / \    /                          \    /             | a
|  \  /   \  /   \  /                            \  /              | c
|   \/     \/     \/                              \/               | e
|   |      |       +-----+                        |                |
|   |      |       |     |                        |                |
|   |      |       |     |                        |                |
|   |      |       |     |                        |                |
| +----+ +----+ +----+ +----+                   +----+             |
| |txq0| |txq1| |txq2| |txq3|                   |txq4|             |
| \    / \    / \    / \    /                   \    /             |
|  \  /   \  /   \  /   \  /                     \  /              |
|   \/     \/     \/     \/                       \/               |
| +-|------|------|------|--+                  +--|--------------+ |
| | |      |      |      |  | Eth0.100         |  |     Eth1     | |
+---|------|------|------|------------------------|----------------+
    |      |      |      |                        |
    p      p      p      p                        |
    3      2      0-1, 4-7  <- L2 priority        |
    |      |      |      |                        |
    |      |      |      |                        |
+---|------|------|------|------------------------|----------------+
|   |      |      |      |             |----------+                |
| +----+ +----+ +----+ +----+       +----+                         |
| |dma7| |dma6| |dma5| |dma4|       |dma3|                         |
| \    / \    / \    / \    /       \    /                         | c
|  \S /   \S /   \  /   \  /         \  /                          | p
|   \/     \/     \/     \/           \/                           | s
|   |      |      | +-----            |                            | w
|   |      |      | |                 |                            |
|   |      |      | |                 |                            | d
| +----+ +----+ +----+p            p+----+                         | r
| |    | |    | |    |o            o|    |                         | i
| | f3 | | f2 | | f0 |r            r| f0 |                         | v
| |tc0 | |tc1 | |tc2 |t            t|tc0 |                         | e
| \CBS / \CBS / \CBS /1            2\CBS /                         | r
|  \S /   \S /   \  /                \  /                          |
|   \/     \/     \/                  \/                           |
+------------------------------------------------------------------+”h]”hXù  +------------------------------------------------------------------+ u
| +---------------+  +---------------+  +------+ +------+          | s
| |               |  |               |  |      | |      |          | e
| | App 1         |  | App 2         |  | Apps | | Apps |          | r
| | Class A       |  | Class B       |  | Rest | | Rest |          |
| | Eth0          |  | Eth0          |  | Eth0 | | Eth1 |          | s
| | VLAN100       |  | VLAN100       |  |   |  | |   |  |          | p
| | 40 Mb/s       |  | 20 Mb/s       |  |   |  | |   |  |          | a
| | SO_PRIORITY=3 |  | SO_PRIORITY=2 |  |   |  | |   |  |          | c
| |   |           |  |   |           |  |   |  | |   |  |          | e
| +---|-----------+  +---|-----------+  +---|--+ +---|--+          |
+-----|------------------|------------------|--------|-------------+
    +-+     +------------+                  |        |
    |       |             +-----------------+     +--+
    |       |             |                       |
+---|-------|-------------|-----------------------|----------------+
| +----+ +----+ +----+ +----+                   +----+             |
| | p3 | | p2 | | p1 | | p0 |                   | p0 |             | k
| \    / \    / \    / \    /                   \    /             | e
|  \  /   \  /   \  /   \  /                     \  /              | r
|   \/     \/     \/     \/                       \/               | n
|    |     |             |                        |                | e
|    |     |       +-----+                        |                | l
|    |     |       |                              |                |
| +----+ +----+ +----+                          +----+             | s
| |tc0 | |tc1 | |tc2 |                          |tc0 |             | p
| \    / \    / \    /                          \    /             | a
|  \  /   \  /   \  /                            \  /              | c
|   \/     \/     \/                              \/               | e
|   |      |       +-----+                        |                |
|   |      |       |     |                        |                |
|   |      |       |     |                        |                |
|   |      |       |     |                        |                |
| +----+ +----+ +----+ +----+                   +----+             |
| |txq0| |txq1| |txq2| |txq3|                   |txq4|             |
| \    / \    / \    / \    /                   \    /             |
|  \  /   \  /   \  /   \  /                     \  /              |
|   \/     \/     \/     \/                       \/               |
| +-|------|------|------|--+                  +--|--------------+ |
| | |      |      |      |  | Eth0.100         |  |     Eth1     | |
+---|------|------|------|------------------------|----------------+
    |      |      |      |                        |
    p      p      p      p                        |
    3      2      0-1, 4-7  <- L2 priority        |
    |      |      |      |                        |
    |      |      |      |                        |
+---|------|------|------|------------------------|----------------+
|   |      |      |      |             |----------+                |
| +----+ +----+ +----+ +----+       +----+                         |
| |dma7| |dma6| |dma5| |dma4|       |dma3|                         |
| \    / \    / \    / \    /       \    /                         | c
|  \S /   \S /   \  /   \  /         \  /                          | p
|   \/     \/     \/     \/           \/                           | s
|   |      |      | +-----            |                            | w
|   |      |      | |                 |                            |
|   |      |      | |                 |                            | d
| +----+ +----+ +----+p            p+----+                         | r
| |    | |    | |    |o            o|    |                         | i
| | f3 | | f2 | | f0 |r            r| f0 |                         | v
| |tc0 | |tc1 | |tc2 |t            t|tc0 |                         | e
| \CBS / \CBS / \CBS /1            2\CBS /                         | r
|  \S /   \S /   \  /                \  /                          |
|   \/     \/     \/                  \/                           |
+------------------------------------------------------------------+”…””}”hj½  sbah}”(h]”h ]”h"]”h$]”h&]”h±h²uh1j  hŸh³h KQhj!  hžhubhŒenumerated_list”“”)”}”(hhh]”(j3  )”}”(hŒˆ::


     // Add 4 tx queues, for interface Eth0, and 1 tx queue for Eth1
     $ ethtool -L eth0 rx 1 tx 5
     rx unmodified, ignoring
”h]”j  )”}”(hŒs// Add 4 tx queues, for interface Eth0, and 1 tx queue for Eth1
$ ethtool -L eth0 rx 1 tx 5
rx unmodified, ignoring”h]”hŒs// Add 4 tx queues, for interface Eth0, and 1 tx queue for Eth1
$ ethtool -L eth0 rx 1 tx 5
rx unmodified, ignoring”…””}”hjÔ  sbah}”(h]”h ]”h"]”h$]”h&]”h±h²uh1j  hŸh³h K–hjÐ  ubah}”(h]”h ]”h"]”h$]”h&]”uh1j2  hjÍ  hžhhŸh³h Nubj3  )”}”(hX]  ::

     // Check if num of queues is set correctly:
     $ ethtool -l eth0
     Channel parameters for eth0:
     Pre-set maximums:
     RX:             8
     TX:             8
     Other:          0
     Combined:       0
     Current hardware settings:
     RX:             1
     TX:             5
     Other:          0
     Combined:       0
”h]”j  )”}”(hX  // Check if num of queues is set correctly:
$ ethtool -l eth0
Channel parameters for eth0:
Pre-set maximums:
RX:             8
TX:             8
Other:          0
Combined:       0
Current hardware settings:
RX:             1
TX:             5
Other:          0
Combined:       0”h]”hX  // Check if num of queues is set correctly:
$ ethtool -l eth0
Channel parameters for eth0:
Pre-set maximums:
RX:             8
TX:             8
Other:          0
Combined:       0
Current hardware settings:
RX:             1
TX:             5
Other:          0
Combined:       0”…””}”hjì  sbah}”(h]”h ]”h"]”h$]”h&]”h±h²uh1j  hŸh³h Kœhjè  ubah}”(h]”h ]”h"]”h$]”h&]”uh1j2  hjÍ  hžhhŸh³h Nubj3  )”}”(hXj  ::

     // TX queues must be rated starting from 0, so set bws for tx0 and tx1
     // Set rates 40 and 20 Mb/s appropriately.
     // Pay attention, real speed can differ a bit due to discreetness.
     // Leave last 2 tx queues not rated.
     $ echo 40 > /sys/class/net/eth0/queues/tx-0/tx_maxrate
     $ echo 20 > /sys/class/net/eth0/queues/tx-1/tx_maxrate
”h]”j  )”}”(hXG  // TX queues must be rated starting from 0, so set bws for tx0 and tx1
// Set rates 40 and 20 Mb/s appropriately.
// Pay attention, real speed can differ a bit due to discreetness.
// Leave last 2 tx queues not rated.
$ echo 40 > /sys/class/net/eth0/queues/tx-0/tx_maxrate
$ echo 20 > /sys/class/net/eth0/queues/tx-1/tx_maxrate”h]”hXG  // TX queues must be rated starting from 0, so set bws for tx0 and tx1
// Set rates 40 and 20 Mb/s appropriately.
// Pay attention, real speed can differ a bit due to discreetness.
// Leave last 2 tx queues not rated.
$ echo 40 > /sys/class/net/eth0/queues/tx-0/tx_maxrate
$ echo 20 > /sys/class/net/eth0/queues/tx-1/tx_maxrate”…””}”hj  sbah}”(h]”h ]”h"]”h$]”h&]”h±h²uh1j  hŸh³h K¬hj   ubah}”(h]”h ]”h"]”h$]”h&]”uh1j2  hjÍ  hžhhŸh³h Nubj3  )”}”(hŒ::

     // Check maximum rate of tx (cpdma) queues:
     $ cat /sys/class/net/eth0/queues/tx-*/tx_maxrate
     40
     20
     0
     0
     0
”h]”j  )”}”(hŒh// Check maximum rate of tx (cpdma) queues:
$ cat /sys/class/net/eth0/queues/tx-*/tx_maxrate
40
20
0
0
0”h]”hŒh// Check maximum rate of tx (cpdma) queues:
$ cat /sys/class/net/eth0/queues/tx-*/tx_maxrate
40
20
0
0
0”…””}”hj  sbah}”(h]”h ]”h"]”h$]”h&]”h±h²uh1j  hŸh³h Kµhj  ubah}”(h]”h ]”h"]”h$]”h&]”uh1j2  hjÍ  hžhhŸh³h Nubj3  )”}”(hXU  ::

     // Map skb->priority to traffic class:
     // 3pri -> tc0, 2pri -> tc1, (0,1,4-7)pri -> tc2
     // Map traffic class to transmit queue:
     // tc0 -> txq0, tc1 -> txq1, tc2 -> (txq2, txq3)
     $ tc qdisc replace dev eth0 handle 100: parent root mqprio num_tc 3 \
     map 2 2 1 0 2 2 2 2 2 2 2 2 2 2 2 2 queues 1@0 1@1 2@2 hw 1
”h]”j  )”}”(hX2  // Map skb->priority to traffic class:
// 3pri -> tc0, 2pri -> tc1, (0,1,4-7)pri -> tc2
// Map traffic class to transmit queue:
// tc0 -> txq0, tc1 -> txq1, tc2 -> (txq2, txq3)
$ tc qdisc replace dev eth0 handle 100: parent root mqprio num_tc 3 \
map 2 2 1 0 2 2 2 2 2 2 2 2 2 2 2 2 queues 1@0 1@1 2@2 hw 1”h]”hX2  // Map skb->priority to traffic class:
// 3pri -> tc0, 2pri -> tc1, (0,1,4-7)pri -> tc2
// Map traffic class to transmit queue:
// tc0 -> txq0, tc1 -> txq1, tc2 -> (txq2, txq3)
$ tc qdisc replace dev eth0 handle 100: parent root mqprio num_tc 3 \
map 2 2 1 0 2 2 2 2 2 2 2 2 2 2 2 2 queues 1@0 1@1 2@2 hw 1”…””}”hj4  sbah}”(h]”h ]”h"]”h$]”h&]”h±h²uh1j  hŸh³h K¿hj0  ubah}”(h]”h ]”h"]”h$]”h&]”uh1j2  hjÍ  hžhhŸh³h Nubeh}”(h]”h ]”h"]”h$]”h&]”Œenumtype”Œarabic”Œprefix”hŒsuffix”Œ)”uh1jË  hj!  hžhhŸh³h K“ubhÛ)”}”(hŒ5a) ::”h]”hŒ5a)”…””}”(hjS  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÚhŸh³h KÆhj!  hžhubj  )”}”(hX½  // As two interface sharing same set of tx queues, assign all traffic
// coming to interface Eth1 to separate queue in order to not mix it
// with traffic from interface Eth0, so use separate txq to send
// packets to Eth1, so all prio -> tc0 and tc0 -> txq4
// Here hw 0, so here still default configuration for eth1 in hw
$ tc qdisc replace dev eth1 handle 100: parent root mqprio num_tc 1 \
map 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 queues 1@4 hw 0”h]”hX½  // As two interface sharing same set of tx queues, assign all traffic
// coming to interface Eth1 to separate queue in order to not mix it
// with traffic from interface Eth0, so use separate txq to send
// packets to Eth1, so all prio -> tc0 and tc0 -> txq4
// Here hw 0, so here still default configuration for eth1 in hw
$ tc qdisc replace dev eth1 handle 100: parent root mqprio num_tc 1 \
map 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 queues 1@4 hw 0”…””}”hja  sbah}”(h]”h ]”h"]”h$]”h&]”h±h²uh1j  hŸh³h KÈhj!  hžhubjÌ  )”}”(hhh]”(j3  )”}”(hXo  ::

     // Check classes settings
     $ tc -g class show dev eth0
     +---(100:ffe2) mqprio
     |    +---(100:3) mqprio
     |    +---(100:4) mqprio
     |
     +---(100:ffe1) mqprio
     |    +---(100:2) mqprio
     |
     +---(100:ffe0) mqprio
         +---(100:1) mqprio

     $ tc -g class show dev eth1
     +---(100:ffe0) mqprio
         +---(100:5) mqprio
”h]”j  )”}”(hX$  // Check classes settings
$ tc -g class show dev eth0
+---(100:ffe2) mqprio
|    +---(100:3) mqprio
|    +---(100:4) mqprio
|
+---(100:ffe1) mqprio
|    +---(100:2) mqprio
|
+---(100:ffe0) mqprio
    +---(100:1) mqprio

$ tc -g class show dev eth1
+---(100:ffe0) mqprio
    +---(100:5) mqprio”h]”hX$  // Check classes settings
$ tc -g class show dev eth0
+---(100:ffe2) mqprio
|    +---(100:3) mqprio
|    +---(100:4) mqprio
|
+---(100:ffe1) mqprio
|    +---(100:2) mqprio
|
+---(100:ffe0) mqprio
    +---(100:1) mqprio

$ tc -g class show dev eth1
+---(100:ffe0) mqprio
    +---(100:5) mqprio”…””}”hjv  sbah}”(h]”h ]”h"]”h$]”h&]”h±h²uh1j  hŸh³h KÒhjr  ubah}”(h]”h ]”h"]”h$]”h&]”uh1j2  hjo  hžhhŸh³h Nubj3  )”}”(hX›  ::

     // Set rate for class A - 41 Mbit (tc0, txq0) using CBS Qdisc
     // Set it +1 Mb for reserve (important!)
     // here only idle slope is important, others arg are ignored
     // Pay attention, real speed can differ a bit due to discreetness
     $ tc qdisc add dev eth0 parent 100:1 cbs locredit -1438 \
     hicredit 62 sendslope -959000 idleslope 41000 offload 1
     net eth0: set FIFO3 bw = 50
”h]”j  )”}”(hXs  // Set rate for class A - 41 Mbit (tc0, txq0) using CBS Qdisc
// Set it +1 Mb for reserve (important!)
// here only idle slope is important, others arg are ignored
// Pay attention, real speed can differ a bit due to discreetness
$ tc qdisc add dev eth0 parent 100:1 cbs locredit -1438 \
hicredit 62 sendslope -959000 idleslope 41000 offload 1
net eth0: set FIFO3 bw = 50”h]”hXs  // Set rate for class A - 41 Mbit (tc0, txq0) using CBS Qdisc
// Set it +1 Mb for reserve (important!)
// here only idle slope is important, others arg are ignored
// Pay attention, real speed can differ a bit due to discreetness
$ tc qdisc add dev eth0 parent 100:1 cbs locredit -1438 \
hicredit 62 sendslope -959000 idleslope 41000 offload 1
net eth0: set FIFO3 bw = 50”…””}”hjŽ  sbah}”(h]”h ]”h"]”h$]”h&]”h±h²uh1j  hŸh³h KähjŠ  ubah}”(h]”h ]”h"]”h$]”h&]”uh1j2  hjo  hžhhŸh³h Nubj3  )”}”(hX  ::

     // Set rate for class B - 21 Mbit (tc1, txq1) using CBS Qdisc:
     // Set it +1 Mb for reserve (important!)
     $ tc qdisc add dev eth0 parent 100:2 cbs locredit -1468 \
     hicredit 65 sendslope -979000 idleslope 21000 offload 1
     net eth0: set FIFO2 bw = 30
”h]”j  )”}”(hŒõ// Set rate for class B - 21 Mbit (tc1, txq1) using CBS Qdisc:
// Set it +1 Mb for reserve (important!)
$ tc qdisc add dev eth0 parent 100:2 cbs locredit -1468 \
hicredit 65 sendslope -979000 idleslope 21000 offload 1
net eth0: set FIFO2 bw = 30”h]”hŒõ// Set rate for class B - 21 Mbit (tc1, txq1) using CBS Qdisc:
// Set it +1 Mb for reserve (important!)
$ tc qdisc add dev eth0 parent 100:2 cbs locredit -1468 \
hicredit 65 sendslope -979000 idleslope 21000 offload 1
net eth0: set FIFO2 bw = 30”…””}”hj¦  sbah}”(h]”h ]”h"]”h$]”h&]”h±h²uh1j  hŸh³h Kîhj¢  ubah}”(h]”h ]”h"]”h$]”h&]”uh1j2  hjo  hžhhŸh³h Nubj3  )”}”(hX9  ::

     // Create vlan 100 to map sk->priority to vlan qos
     $ ip link add link eth0 name eth0.100 type vlan id 100
     8021q: 802.1Q VLAN Support v1.8
     8021q: adding VLAN 0 to HW filter on device eth0
     8021q: adding VLAN 0 to HW filter on device eth1
     net eth0: Adding vlanid 100 to vlan filter
”h]”j  )”}”(hX  // Create vlan 100 to map sk->priority to vlan qos
$ ip link add link eth0 name eth0.100 type vlan id 100
8021q: 802.1Q VLAN Support v1.8
8021q: adding VLAN 0 to HW filter on device eth0
8021q: adding VLAN 0 to HW filter on device eth1
net eth0: Adding vlanid 100 to vlan filter”h]”hX  // Create vlan 100 to map sk->priority to vlan qos
$ ip link add link eth0 name eth0.100 type vlan id 100
8021q: 802.1Q VLAN Support v1.8
8021q: adding VLAN 0 to HW filter on device eth0
8021q: adding VLAN 0 to HW filter on device eth1
net eth0: Adding vlanid 100 to vlan filter”…””}”hj¾  sbah}”(h]”h ]”h"]”h$]”h&]”h±h²uh1j  hŸh³h Köhjº  ubah}”(h]”h ]”h"]”h$]”h&]”uh1j2  hjo  hžhhŸh³h Nubj3  )”}”(hŒ‚::

    // Map skb->priority to L2 prio, 1 to 1
    $ ip link set eth0.100 type vlan \
    egress 0:0 1:1 2:2 3:3 4:4 5:5 6:6 7:7
”h]”j  )”}”(hŒq// Map skb->priority to L2 prio, 1 to 1
$ ip link set eth0.100 type vlan \
egress 0:0 1:1 2:2 3:3 4:4 5:5 6:6 7:7”h]”hŒq// Map skb->priority to L2 prio, 1 to 1
$ ip link set eth0.100 type vlan \
egress 0:0 1:1 2:2 3:3 4:4 5:5 6:6 7:7”…””}”hjÖ  sbah}”(h]”h ]”h"]”h$]”h&]”h±h²uh1j  hŸh³h KÿhjÒ  ubah}”(h]”h ]”h"]”h$]”h&]”uh1j2  hjo  hžhhŸh³h Nubj3  )”}”(hŒØ::

    // Check egress map for vlan 100
    $ cat /proc/net/vlan/eth0.100
    [...]
    INGRESS priority mappings: 0:0  1:0  2:0  3:0  4:0  5:0  6:0 7:0
    EGRESS priority mappings: 0:0 1:1 2:2 3:3 4:4 5:5 6:6 7:7
”h]”j  )”}”(hŒ¿// Check egress map for vlan 100
$ cat /proc/net/vlan/eth0.100
[...]
INGRESS priority mappings: 0:0  1:0  2:0  3:0  4:0  5:0  6:0 7:0
EGRESS priority mappings: 0:0 1:1 2:2 3:3 4:4 5:5 6:6 7:7”h]”hŒ¿// Check egress map for vlan 100
$ cat /proc/net/vlan/eth0.100
[...]
INGRESS priority mappings: 0:0  1:0  2:0  3:0  4:0  5:0  6:0 7:0
EGRESS priority mappings: 0:0 1:1 2:2 3:3 4:4 5:5 6:6 7:7”…””}”hjî  sbah}”(h]”h ]”h"]”h$]”h&]”h±h²uh1j  hŸh³h Mhjê  ubah}”(h]”h ]”h"]”h$]”h&]”uh1j2  hjo  hžhhŸh³h Nubj3  )”}”(hX<  ::

    // Run your appropriate tools with socket option "SO_PRIORITY"
    // to 3 for class A and/or to 2 for class B
    // (I took at https://www.spinics.net/lists/netdev/msg460869.html)
    ./tsn_talker -d 18:03:73:66:87:42 -i eth0.100 -p3 -s 1500&
    ./tsn_talker -d 18:03:73:66:87:42 -i eth0.100 -p2 -s 1500&
”h]”j  )”}”(hX#  // Run your appropriate tools with socket option "SO_PRIORITY"
// to 3 for class A and/or to 2 for class B
// (I took at https://www.spinics.net/lists/netdev/msg460869.html)
./tsn_talker -d 18:03:73:66:87:42 -i eth0.100 -p3 -s 1500&
./tsn_talker -d 18:03:73:66:87:42 -i eth0.100 -p2 -s 1500&”h]”hX#  // Run your appropriate tools with socket option "SO_PRIORITY"
// to 3 for class A and/or to 2 for class B
// (I took at https://www.spinics.net/lists/netdev/msg460869.html)
./tsn_talker -d 18:03:73:66:87:42 -i eth0.100 -p3 -s 1500&
./tsn_talker -d 18:03:73:66:87:42 -i eth0.100 -p2 -s 1500&”…””}”hj  sbah}”(h]”h ]”h"]”h$]”h&]”h±h²uh1j  hŸh³h Mhj  ubah}”(h]”h ]”h"]”h$]”h&]”uh1j2  hjo  hžhhŸh³h Nubj3  )”}”(hXš  ::

    // run your listener on workstation (should be in same vlan)
    // (I took at https://www.spinics.net/lists/netdev/msg460869.html)
    ./tsn_listener -d 18:03:73:66:87:42 -i enp5s0 -s 1500
    Receiving data rate: 39012 kbps
    Receiving data rate: 39012 kbps
    Receiving data rate: 39012 kbps
    Receiving data rate: 39012 kbps
    Receiving data rate: 39012 kbps
    Receiving data rate: 39012 kbps
    Receiving data rate: 39012 kbps
    Receiving data rate: 39012 kbps
    Receiving data rate: 39012 kbps
    Receiving data rate: 39012 kbps
    Receiving data rate: 39012 kbps
    Receiving data rate: 39012 kbps
    Receiving data rate: 39000 kbps
”h]”j  )”}”(hXU  // run your listener on workstation (should be in same vlan)
// (I took at https://www.spinics.net/lists/netdev/msg460869.html)
./tsn_listener -d 18:03:73:66:87:42 -i enp5s0 -s 1500
Receiving data rate: 39012 kbps
Receiving data rate: 39012 kbps
Receiving data rate: 39012 kbps
Receiving data rate: 39012 kbps
Receiving data rate: 39012 kbps
Receiving data rate: 39012 kbps
Receiving data rate: 39012 kbps
Receiving data rate: 39012 kbps
Receiving data rate: 39012 kbps
Receiving data rate: 39012 kbps
Receiving data rate: 39012 kbps
Receiving data rate: 39012 kbps
Receiving data rate: 39000 kbps”h]”hXU  // run your listener on workstation (should be in same vlan)
// (I took at https://www.spinics.net/lists/netdev/msg460869.html)
./tsn_listener -d 18:03:73:66:87:42 -i enp5s0 -s 1500
Receiving data rate: 39012 kbps
Receiving data rate: 39012 kbps
Receiving data rate: 39012 kbps
Receiving data rate: 39012 kbps
Receiving data rate: 39012 kbps
Receiving data rate: 39012 kbps
Receiving data rate: 39012 kbps
Receiving data rate: 39012 kbps
Receiving data rate: 39012 kbps
Receiving data rate: 39012 kbps
Receiving data rate: 39012 kbps
Receiving data rate: 39012 kbps
Receiving data rate: 39000 kbps”…””}”hj  sbah}”(h]”h ]”h"]”h$]”h&]”h±h²uh1j  hŸh³h Mhj  ubah}”(h]”h ]”h"]”h$]”h&]”uh1j2  hjo  hžhhŸh³h Nubj3  )”}”(hX  ::

    // Restore default configuration if needed
    $ ip link del eth0.100
    $ tc qdisc del dev eth1 root
    $ tc qdisc del dev eth0 root
    net eth0: Prev FIFO2 is shaped
    net eth0: set FIFO3 bw = 0
    net eth0: set FIFO2 bw = 0
    $ ethtool -L eth0 rx 1 tx 1
”h]”j  )”}”(hŒì// Restore default configuration if needed
$ ip link del eth0.100
$ tc qdisc del dev eth1 root
$ tc qdisc del dev eth0 root
net eth0: Prev FIFO2 is shaped
net eth0: set FIFO3 bw = 0
net eth0: set FIFO2 bw = 0
$ ethtool -L eth0 rx 1 tx 1”h]”hŒì// Restore default configuration if needed
$ ip link del eth0.100
$ tc qdisc del dev eth1 root
$ tc qdisc del dev eth0 root
net eth0: Prev FIFO2 is shaped
net eth0: set FIFO3 bw = 0
net eth0: set FIFO2 bw = 0
$ ethtool -L eth0 rx 1 tx 1”…””}”hj6  sbah}”(h]”h ]”h"]”h$]”h&]”h±h²uh1j  hŸh³h M(hj2  ubah}”(h]”h ]”h"]”h$]”h&]”uh1j2  hjo  hžhhŸh³h Nubeh}”(h]”h ]”h"]”h$]”h&]”jN  jO  jP  hjQ  jR  Œstart”Kuh1jË  hj!  hžhhŸh³h KÐubeh}”(h]”Œ?example-1-one-port-tx-avb-configuration-scheme-for-target-board”ah ]”h"]”Œ@example 1: one port tx avb configuration scheme for target board”ah$]”h&]”uh1h´hj   hžhhŸh³h KEubhµ)”}”(hhh]”(hº)”}”(hŒ@Example 2: Two port tx AVB configuration scheme for target board”h]”hŒ@Example 2: Two port tx AVB configuration scheme for target board”…””}”(hj\  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h¹hjY  hžhhŸh³h M2ubhÛ)”}”(hŒ=(prints and scheme for AM572x evm, for dual emac boards only)”h]”hŒ=(prints and scheme for AM572x evm, for dual emac boards only)”…””}”(hjj  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÚhŸh³h M4hjY  hžhubj  )”}”(hX  +------------------------------------------------------------------+ u
| +----------+  +----------+  +------+  +----------+  +----------+ | s
| |          |  |          |  |      |  |          |  |          | | e
| | App 1    |  | App 2    |  | Apps |  | App 3    |  | App 4    | | r
| | Class A  |  | Class B  |  | Rest |  | Class B  |  | Class A  | |
| | Eth0     |  | Eth0     |  |   |  |  | Eth1     |  | Eth1     | | s
| | VLAN100  |  | VLAN100  |  |   |  |  | VLAN100  |  | VLAN100  | | p
| | 40 Mb/s  |  | 20 Mb/s  |  |   |  |  | 10 Mb/s  |  | 30 Mb/s  | | a
| | SO_PRI=3 |  | SO_PRI=2 |  |   |  |  | SO_PRI=3 |  | SO_PRI=2 | | c
| |   |      |  |   |      |  |   |  |  |   |      |  |   |      | | e
| +---|------+  +---|------+  +---|--+  +---|------+  +---|------+ |
+-----|-------------|-------------|---------|-------------|--------+
    +-+     +-------+             |         +----------+  +----+
    |       |             +-------+------+             |       |
    |       |             |              |             |       |
+---|-------|-------------|--------------|-------------|-------|---+
| +----+ +----+ +----+ +----+          +----+ +----+ +----+ +----+ |
| | p3 | | p2 | | p1 | | p0 |          | p0 | | p1 | | p2 | | p3 | | k
| \    / \    / \    / \    /          \    / \    / \    / \    / | e
|  \  /   \  /   \  /   \  /            \  /   \  /   \  /   \  /  | r
|   \/     \/     \/     \/              \/     \/     \/     \/   | n
|   |      |             |                |             |      |   | e
|   |      |        +----+                +----+        |      |   | l
|   |      |        |                          |        |      |   |
| +----+ +----+ +----+                        +----+ +----+ +----+ | s
| |tc0 | |tc1 | |tc2 |                        |tc2 | |tc1 | |tc0 | | p
| \    / \    / \    /                        \    / \    / \    / | a
|  \  /   \  /   \  /                          \  /   \  /   \  /  | c
|   \/     \/     \/                            \/     \/     \/   | e
|   |      |       +-----+                +-----+      |       |   |
|   |      |       |     |                |     |      |       |   |
|   |      |       |     |                |     |      |       |   |
|   |      |       |     |    E      E    |     |      |       |   |
| +----+ +----+ +----+ +----+ t      t +----+ +----+ +----+ +----+ |
| |txq0| |txq1| |txq4| |txq5| h      h |txq6| |txq7| |txq3| |txq2| |
| \    / \    / \    / \    / 0      1 \    / \    / \    / \    / |
|  \  /   \  /   \  /   \  /  .      .  \  /   \  /   \  /   \  /  |
|   \/     \/     \/     \/   1      1   \/     \/     \/     \/   |
| +-|------|------|------|--+ 0      0 +-|------|------|------|--+ |
| | |      |      |      |  | 0      0 | |      |      |      |  | |
+---|------|------|------|---------------|------|------|------|----+
    |      |      |      |               |      |      |      |
    p      p      p      p               p      p      p      p
    3      2      0-1, 4-7   <-L2 pri->  0-1, 4-7      2      3
    |      |      |      |               |      |      |      |
    |      |      |      |               |      |      |      |
+---|------|------|------|---------------|------|------|------|----+
|   |      |      |      |               |      |      |      |    |
| +----+ +----+ +----+ +----+          +----+ +----+ +----+ +----+ |
| |dma7| |dma6| |dma3| |dma2|          |dma1| |dma0| |dma4| |dma5| |
| \    / \    / \    / \    /          \    / \    / \    / \    / | c
|  \S /   \S /   \  /   \  /            \  /   \  /   \S /   \S /  | p
|   \/     \/     \/     \/              \/     \/     \/     \/   | s
|   |      |      | +-----                |      |      |      |   | w
|   |      |      | |                     +----+ |      |      |   |
|   |      |      | |                          | |      |      |   | d
| +----+ +----+ +----+p                      p+----+ +----+ +----+ | r
| |    | |    | |    |o                      o|    | |    | |    | | i
| | f3 | | f2 | | f0 |r        CPSW          r| f3 | | f2 | | f0 | | v
| |tc0 | |tc1 | |tc2 |t                      t|tc0 | |tc1 | |tc2 | | e
| \CBS / \CBS / \CBS /1                      2\CBS / \CBS / \CBS / | r
|  \S /   \S /   \  /                          \S /   \S /   \  /  |
|   \/     \/     \/                            \/     \/     \/   |
+------------------------------------------------------------------+
========================================Eth==========================>”h]”hX  +------------------------------------------------------------------+ u
| +----------+  +----------+  +------+  +----------+  +----------+ | s
| |          |  |          |  |      |  |          |  |          | | e
| | App 1    |  | App 2    |  | Apps |  | App 3    |  | App 4    | | r
| | Class A  |  | Class B  |  | Rest |  | Class B  |  | Class A  | |
| | Eth0     |  | Eth0     |  |   |  |  | Eth1     |  | Eth1     | | s
| | VLAN100  |  | VLAN100  |  |   |  |  | VLAN100  |  | VLAN100  | | p
| | 40 Mb/s  |  | 20 Mb/s  |  |   |  |  | 10 Mb/s  |  | 30 Mb/s  | | a
| | SO_PRI=3 |  | SO_PRI=2 |  |   |  |  | SO_PRI=3 |  | SO_PRI=2 | | c
| |   |      |  |   |      |  |   |  |  |   |      |  |   |      | | e
| +---|------+  +---|------+  +---|--+  +---|------+  +---|------+ |
+-----|-------------|-------------|---------|-------------|--------+
    +-+     +-------+             |         +----------+  +----+
    |       |             +-------+------+             |       |
    |       |             |              |             |       |
+---|-------|-------------|--------------|-------------|-------|---+
| +----+ +----+ +----+ +----+          +----+ +----+ +----+ +----+ |
| | p3 | | p2 | | p1 | | p0 |          | p0 | | p1 | | p2 | | p3 | | k
| \    / \    / \    / \    /          \    / \    / \    / \    / | e
|  \  /   \  /   \  /   \  /            \  /   \  /   \  /   \  /  | r
|   \/     \/     \/     \/              \/     \/     \/     \/   | n
|   |      |             |                |             |      |   | e
|   |      |        +----+                +----+        |      |   | l
|   |      |        |                          |        |      |   |
| +----+ +----+ +----+                        +----+ +----+ +----+ | s
| |tc0 | |tc1 | |tc2 |                        |tc2 | |tc1 | |tc0 | | p
| \    / \    / \    /                        \    / \    / \    / | a
|  \  /   \  /   \  /                          \  /   \  /   \  /  | c
|   \/     \/     \/                            \/     \/     \/   | e
|   |      |       +-----+                +-----+      |       |   |
|   |      |       |     |                |     |      |       |   |
|   |      |       |     |                |     |      |       |   |
|   |      |       |     |    E      E    |     |      |       |   |
| +----+ +----+ +----+ +----+ t      t +----+ +----+ +----+ +----+ |
| |txq0| |txq1| |txq4| |txq5| h      h |txq6| |txq7| |txq3| |txq2| |
| \    / \    / \    / \    / 0      1 \    / \    / \    / \    / |
|  \  /   \  /   \  /   \  /  .      .  \  /   \  /   \  /   \  /  |
|   \/     \/     \/     \/   1      1   \/     \/     \/     \/   |
| +-|------|------|------|--+ 0      0 +-|------|------|------|--+ |
| | |      |      |      |  | 0      0 | |      |      |      |  | |
+---|------|------|------|---------------|------|------|------|----+
    |      |      |      |               |      |      |      |
    p      p      p      p               p      p      p      p
    3      2      0-1, 4-7   <-L2 pri->  0-1, 4-7      2      3
    |      |      |      |               |      |      |      |
    |      |      |      |               |      |      |      |
+---|------|------|------|---------------|------|------|------|----+
|   |      |      |      |               |      |      |      |    |
| +----+ +----+ +----+ +----+          +----+ +----+ +----+ +----+ |
| |dma7| |dma6| |dma3| |dma2|          |dma1| |dma0| |dma4| |dma5| |
| \    / \    / \    / \    /          \    / \    / \    / \    / | c
|  \S /   \S /   \  /   \  /            \  /   \  /   \S /   \S /  | p
|   \/     \/     \/     \/              \/     \/     \/     \/   | s
|   |      |      | +-----                |      |      |      |   | w
|   |      |      | |                     +----+ |      |      |   |
|   |      |      | |                          | |      |      |   | d
| +----+ +----+ +----+p                      p+----+ +----+ +----+ | r
| |    | |    | |    |o                      o|    | |    | |    | | i
| | f3 | | f2 | | f0 |r        CPSW          r| f3 | | f2 | | f0 | | v
| |tc0 | |tc1 | |tc2 |t                      t|tc0 | |tc1 | |tc2 | | e
| \CBS / \CBS / \CBS /1                      2\CBS / \CBS / \CBS / | r
|  \S /   \S /   \  /                          \S /   \S /   \  /  |
|   \/     \/     \/                            \/     \/     \/   |
+------------------------------------------------------------------+
========================================Eth==========================>”…””}”hjx  sbah}”(h]”h ]”h"]”h$]”h&]”h±h²uh1j  hŸh³h M8hjY  hžhubjÌ  )”}”(hhh]”(j3  )”}”(hŒ½::

     // Add 8 tx queues, for interface Eth0, but they are common, so are accessed
     // by two interfaces Eth0 and Eth1.
     $ ethtool -L eth1 rx 1 tx 8
     rx unmodified, ignoring
”h]”j  )”}”(hŒ¤// Add 8 tx queues, for interface Eth0, but they are common, so are accessed
// by two interfaces Eth0 and Eth1.
$ ethtool -L eth1 rx 1 tx 8
rx unmodified, ignoring”h]”hŒ¤// Add 8 tx queues, for interface Eth0, but they are common, so are accessed
// by two interfaces Eth0 and Eth1.
$ ethtool -L eth1 rx 1 tx 8
rx unmodified, ignoring”…””}”hj  sbah}”(h]”h ]”h"]”h$]”h&]”h±h²uh1j  hŸh³h M|hj‰  ubah}”(h]”h ]”h"]”h$]”h&]”uh1j2  hj†  hžhhŸh³h Nubj3  )”}”(hX]  ::

     // Check if num of queues is set correctly:
     $ ethtool -l eth0
     Channel parameters for eth0:
     Pre-set maximums:
     RX:             8
     TX:             8
     Other:          0
     Combined:       0
     Current hardware settings:
     RX:             1
     TX:             8
     Other:          0
     Combined:       0
”h]”j  )”}”(hX  // Check if num of queues is set correctly:
$ ethtool -l eth0
Channel parameters for eth0:
Pre-set maximums:
RX:             8
TX:             8
Other:          0
Combined:       0
Current hardware settings:
RX:             1
TX:             8
Other:          0
Combined:       0”h]”hX  // Check if num of queues is set correctly:
$ ethtool -l eth0
Channel parameters for eth0:
Pre-set maximums:
RX:             8
TX:             8
Other:          0
Combined:       0
Current hardware settings:
RX:             1
TX:             8
Other:          0
Combined:       0”…””}”hj¥  sbah}”(h]”h ]”h"]”h$]”h&]”h±h²uh1j  hŸh³h Mƒhj¡  ubah}”(h]”h ]”h"]”h$]”h&]”uh1j2  hj†  hžhhŸh³h Nubj3  )”}”(hX-  ::

     // TX queues must be rated starting from 0, so set bws for tx0 and tx1 for Eth0
     // and for tx2 and tx3 for Eth1. That is, rates 40 and 20 Mb/s appropriately
     // for Eth0 and 30 and 10 Mb/s for Eth1.
     // Real speed can differ a bit due to discreetness
     // Leave last 4 tx queues as not rated
     $ echo 40 > /sys/class/net/eth0/queues/tx-0/tx_maxrate
     $ echo 20 > /sys/class/net/eth0/queues/tx-1/tx_maxrate
     $ echo 30 > /sys/class/net/eth1/queues/tx-2/tx_maxrate
     $ echo 10 > /sys/class/net/eth1/queues/tx-3/tx_maxrate
”h]”j  )”}”(hXû  // TX queues must be rated starting from 0, so set bws for tx0 and tx1 for Eth0
// and for tx2 and tx3 for Eth1. That is, rates 40 and 20 Mb/s appropriately
// for Eth0 and 30 and 10 Mb/s for Eth1.
// Real speed can differ a bit due to discreetness
// Leave last 4 tx queues as not rated
$ echo 40 > /sys/class/net/eth0/queues/tx-0/tx_maxrate
$ echo 20 > /sys/class/net/eth0/queues/tx-1/tx_maxrate
$ echo 30 > /sys/class/net/eth1/queues/tx-2/tx_maxrate
$ echo 10 > /sys/class/net/eth1/queues/tx-3/tx_maxrate”h]”hXû  // TX queues must be rated starting from 0, so set bws for tx0 and tx1 for Eth0
// and for tx2 and tx3 for Eth1. That is, rates 40 and 20 Mb/s appropriately
// for Eth0 and 30 and 10 Mb/s for Eth1.
// Real speed can differ a bit due to discreetness
// Leave last 4 tx queues as not rated
$ echo 40 > /sys/class/net/eth0/queues/tx-0/tx_maxrate
$ echo 20 > /sys/class/net/eth0/queues/tx-1/tx_maxrate
$ echo 30 > /sys/class/net/eth1/queues/tx-2/tx_maxrate
$ echo 10 > /sys/class/net/eth1/queues/tx-3/tx_maxrate”…””}”hj½  sbah}”(h]”h ]”h"]”h$]”h&]”h±h²uh1j  hŸh³h M“hj¹  ubah}”(h]”h ]”h"]”h$]”h&]”uh1j2  hj†  hžhhŸh³h Nubj3  )”}”(hŒ§::

     // Check maximum rate of tx (cpdma) queues:
     $ cat /sys/class/net/eth0/queues/tx-*/tx_maxrate
     40
     20
     30
     10
     0
     0
     0
     0
”h]”j  )”}”(hŒp// Check maximum rate of tx (cpdma) queues:
$ cat /sys/class/net/eth0/queues/tx-*/tx_maxrate
40
20
30
10
0
0
0
0”h]”hŒp// Check maximum rate of tx (cpdma) queues:
$ cat /sys/class/net/eth0/queues/tx-*/tx_maxrate
40
20
30
10
0
0
0
0”…””}”hjÕ  sbah}”(h]”h ]”h"]”h$]”h&]”h±h²uh1j  hŸh³h MŸhjÑ  ubah}”(h]”h ]”h"]”h$]”h&]”uh1j2  hj†  hžhhŸh³h Nubj3  )”}”(hX^  ::

     // Map skb->priority to traffic class for Eth0:
     // 3pri -> tc0, 2pri -> tc1, (0,1,4-7)pri -> tc2
     // Map traffic class to transmit queue:
     // tc0 -> txq0, tc1 -> txq1, tc2 -> (txq4, txq5)
     $ tc qdisc replace dev eth0 handle 100: parent root mqprio num_tc 3 \
     map 2 2 1 0 2 2 2 2 2 2 2 2 2 2 2 2 queues 1@0 1@1 2@4 hw 1
”h]”j  )”}”(hX;  // Map skb->priority to traffic class for Eth0:
// 3pri -> tc0, 2pri -> tc1, (0,1,4-7)pri -> tc2
// Map traffic class to transmit queue:
// tc0 -> txq0, tc1 -> txq1, tc2 -> (txq4, txq5)
$ tc qdisc replace dev eth0 handle 100: parent root mqprio num_tc 3 \
map 2 2 1 0 2 2 2 2 2 2 2 2 2 2 2 2 queues 1@0 1@1 2@4 hw 1”h]”hX;  // Map skb->priority to traffic class for Eth0:
// 3pri -> tc0, 2pri -> tc1, (0,1,4-7)pri -> tc2
// Map traffic class to transmit queue:
// tc0 -> txq0, tc1 -> txq1, tc2 -> (txq4, txq5)
$ tc qdisc replace dev eth0 handle 100: parent root mqprio num_tc 3 \
map 2 2 1 0 2 2 2 2 2 2 2 2 2 2 2 2 queues 1@0 1@1 2@4 hw 1”…””}”hjí  sbah}”(h]”h ]”h"]”h$]”h&]”h±h²uh1j  hŸh³h M¬hjé  ubah}”(h]”h ]”h"]”h$]”h&]”uh1j2  hj†  hžhhŸh³h Nubj3  )”}”(hX  ::

     // Check classes settings
     $ tc -g class show dev eth0
     +---(100:ffe2) mqprio
     |    +---(100:5) mqprio
     |    +---(100:6) mqprio
     |
     +---(100:ffe1) mqprio
     |    +---(100:2) mqprio
     |
     +---(100:ffe0) mqprio
         +---(100:1) mqprio
”h]”j  )”}”(hŒÚ// Check classes settings
$ tc -g class show dev eth0
+---(100:ffe2) mqprio
|    +---(100:5) mqprio
|    +---(100:6) mqprio
|
+---(100:ffe1) mqprio
|    +---(100:2) mqprio
|
+---(100:ffe0) mqprio
    +---(100:1) mqprio”h]”hŒÚ// Check classes settings
$ tc -g class show dev eth0
+---(100:ffe2) mqprio
|    +---(100:5) mqprio
|    +---(100:6) mqprio
|
+---(100:ffe1) mqprio
|    +---(100:2) mqprio
|
+---(100:ffe0) mqprio
    +---(100:1) mqprio”…””}”hj  sbah}”(h]”h ]”h"]”h$]”h&]”h±h²uh1j  hŸh³h Mµhj  ubah}”(h]”h ]”h"]”h$]”h&]”uh1j2  hj†  hžhhŸh³h Nubj3  )”}”(hX_  ::

     // Set rate for class A - 41 Mbit (tc0, txq0) using CBS Qdisc for Eth0
     // here only idle slope is important, others ignored
     // Real speed can differ a bit due to discreetness
     $ tc qdisc add dev eth0 parent 100:1 cbs locredit -1470 \
     hicredit 62 sendslope -959000 idleslope 41000 offload 1
     net eth0: set FIFO3 bw = 50
”h]”j  )”}”(hX<  // Set rate for class A - 41 Mbit (tc0, txq0) using CBS Qdisc for Eth0
// here only idle slope is important, others ignored
// Real speed can differ a bit due to discreetness
$ tc qdisc add dev eth0 parent 100:1 cbs locredit -1470 \
hicredit 62 sendslope -959000 idleslope 41000 offload 1
net eth0: set FIFO3 bw = 50”h]”hX<  // Set rate for class A - 41 Mbit (tc0, txq0) using CBS Qdisc for Eth0
// here only idle slope is important, others ignored
// Real speed can differ a bit due to discreetness
$ tc qdisc add dev eth0 parent 100:1 cbs locredit -1470 \
hicredit 62 sendslope -959000 idleslope 41000 offload 1
net eth0: set FIFO3 bw = 50”…””}”hj  sbah}”(h]”h ]”h"]”h$]”h&]”h±h²uh1j  hŸh³h MÃhj  ubah}”(h]”h ]”h"]”h$]”h&]”uh1j2  hj†  hžhhŸh³h Nubj3  )”}”(hŒí::

     // Set rate for class B - 21 Mbit (tc1, txq1) using CBS Qdisc for Eth0
     $ tc qdisc add dev eth0 parent 100:2 cbs locredit -1470 \
     hicredit 65 sendslope -979000 idleslope 21000 offload 1
     net eth0: set FIFO2 bw = 30
”h]”j  )”}”(hŒÔ// Set rate for class B - 21 Mbit (tc1, txq1) using CBS Qdisc for Eth0
$ tc qdisc add dev eth0 parent 100:2 cbs locredit -1470 \
hicredit 65 sendslope -979000 idleslope 21000 offload 1
net eth0: set FIFO2 bw = 30”h]”hŒÔ// Set rate for class B - 21 Mbit (tc1, txq1) using CBS Qdisc for Eth0
$ tc qdisc add dev eth0 parent 100:2 cbs locredit -1470 \
hicredit 65 sendslope -979000 idleslope 21000 offload 1
net eth0: set FIFO2 bw = 30”…””}”hj5  sbah}”(h]”h ]”h"]”h$]”h&]”h±h²uh1j  hŸh³h MÌhj1  ubah}”(h]”h ]”h"]”h$]”h&]”uh1j2  hj†  hžhhŸh³h Nubj3  )”}”(hŒ±::

     // Create vlan 100 to map sk->priority to vlan qos for Eth0
     $ ip link add link eth0 name eth0.100 type vlan id 100
     net eth0: Adding vlanid 100 to vlan filter
”h]”j  )”}”(hŒ// Create vlan 100 to map sk->priority to vlan qos for Eth0
$ ip link add link eth0 name eth0.100 type vlan id 100
net eth0: Adding vlanid 100 to vlan filter”h]”hŒ// Create vlan 100 to map sk->priority to vlan qos for Eth0
$ ip link add link eth0 name eth0.100 type vlan id 100
net eth0: Adding vlanid 100 to vlan filter”…””}”hjM  sbah}”(h]”h ]”h"]”h$]”h&]”h±h²uh1j  hŸh³h MÓhjI  ubah}”(h]”h ]”h"]”h$]”h&]”uh1j2  hj†  hžhhŸh³h Nubj3  )”}”(hŒ“::

    // Map skb->priority to L2 prio for Eth0.100, one to one
    $ ip link set eth0.100 type vlan \
    egress 0:0 1:1 2:2 3:3 4:4 5:5 6:6 7:7
”h]”j  )”}”(hŒ‚// Map skb->priority to L2 prio for Eth0.100, one to one
$ ip link set eth0.100 type vlan \
egress 0:0 1:1 2:2 3:3 4:4 5:5 6:6 7:7”h]”hŒ‚// Map skb->priority to L2 prio for Eth0.100, one to one
$ ip link set eth0.100 type vlan \
egress 0:0 1:1 2:2 3:3 4:4 5:5 6:6 7:7”…””}”hje  sbah}”(h]”h ]”h"]”h$]”h&]”h±h²uh1j  hŸh³h MÙhja  ubah}”(h]”h ]”h"]”h$]”h&]”uh1j2  hj†  hžhhŸh³h Nubj3  )”}”(hŒØ::

    // Check egress map for vlan 100
    $ cat /proc/net/vlan/eth0.100
    [...]
    INGRESS priority mappings: 0:0  1:0  2:0  3:0  4:0  5:0  6:0 7:0
    EGRESS priority mappings: 0:0 1:1 2:2 3:3 4:4 5:5 6:6 7:7
”h]”j  )”}”(hŒ¿// Check egress map for vlan 100
$ cat /proc/net/vlan/eth0.100
[...]
INGRESS priority mappings: 0:0  1:0  2:0  3:0  4:0  5:0  6:0 7:0
EGRESS priority mappings: 0:0 1:1 2:2 3:3 4:4 5:5 6:6 7:7”h]”hŒ¿// Check egress map for vlan 100
$ cat /proc/net/vlan/eth0.100
[...]
INGRESS priority mappings: 0:0  1:0  2:0  3:0  4:0  5:0  6:0 7:0
EGRESS priority mappings: 0:0 1:1 2:2 3:3 4:4 5:5 6:6 7:7”…””}”hj}  sbah}”(h]”h ]”h"]”h$]”h&]”h±h²uh1j  hŸh³h Mßhjy  ubah}”(h]”h ]”h"]”h$]”h&]”uh1j2  hj†  hžhhŸh³h Nubj3  )”}”(hXX  ::

    // Map skb->priority to traffic class for Eth1:
    // 3pri -> tc0, 2pri -> tc1, (0,1,4-7)pri -> tc2
    // Map traffic class to transmit queue:
    // tc0 -> txq2, tc1 -> txq3, tc2 -> (txq6, txq7)
    $ tc qdisc replace dev eth1 handle 100: parent root mqprio num_tc 3 \
    map 2 2 1 0 2 2 2 2 2 2 2 2 2 2 2 2 queues 1@2 1@3 2@6 hw 1
”h]”j  )”}”(hX;  // Map skb->priority to traffic class for Eth1:
// 3pri -> tc0, 2pri -> tc1, (0,1,4-7)pri -> tc2
// Map traffic class to transmit queue:
// tc0 -> txq2, tc1 -> txq3, tc2 -> (txq6, txq7)
$ tc qdisc replace dev eth1 handle 100: parent root mqprio num_tc 3 \
map 2 2 1 0 2 2 2 2 2 2 2 2 2 2 2 2 queues 1@2 1@3 2@6 hw 1”h]”hX;  // Map skb->priority to traffic class for Eth1:
// 3pri -> tc0, 2pri -> tc1, (0,1,4-7)pri -> tc2
// Map traffic class to transmit queue:
// tc0 -> txq2, tc1 -> txq3, tc2 -> (txq6, txq7)
$ tc qdisc replace dev eth1 handle 100: parent root mqprio num_tc 3 \
map 2 2 1 0 2 2 2 2 2 2 2 2 2 2 2 2 queues 1@2 1@3 2@6 hw 1”…””}”hj•  sbah}”(h]”h ]”h"]”h$]”h&]”h±h²uh1j  hŸh³h Mçhj‘  ubah}”(h]”h ]”h"]”h$]”h&]”uh1j2  hj†  hžhhŸh³h Nubj3  )”}”(hX  ::

    // Check classes settings
    $ tc -g class show dev eth1
    +---(100:ffe2) mqprio
    |    +---(100:7) mqprio
    |    +---(100:8) mqprio
    |
    +---(100:ffe1) mqprio
    |    +---(100:4) mqprio
    |
    +---(100:ffe0) mqprio
        +---(100:3) mqprio
”h]”j  )”}”(hŒÚ// Check classes settings
$ tc -g class show dev eth1
+---(100:ffe2) mqprio
|    +---(100:7) mqprio
|    +---(100:8) mqprio
|
+---(100:ffe1) mqprio
|    +---(100:4) mqprio
|
+---(100:ffe0) mqprio
    +---(100:3) mqprio”h]”hŒÚ// Check classes settings
$ tc -g class show dev eth1
+---(100:ffe2) mqprio
|    +---(100:7) mqprio
|    +---(100:8) mqprio
|
+---(100:ffe1) mqprio
|    +---(100:4) mqprio
|
+---(100:ffe0) mqprio
    +---(100:3) mqprio”…””}”hj­  sbah}”(h]”h ]”h"]”h$]”h&]”h±h²uh1j  hŸh³h Mðhj©  ubah}”(h]”h ]”h"]”h$]”h&]”uh1j2  hj†  hžhhŸh³h Nubj3  )”}”(hX‘  ::

    // Set rate for class A - 31 Mbit (tc0, txq2) using CBS Qdisc for Eth1
    // here only idle slope is important, others ignored, but calculated
    // for interface speed - 100Mb for eth1 port.
    // Set it +1 Mb for reserve (important!)
    $ tc qdisc add dev eth1 parent 100:3 cbs locredit -1035 \
    hicredit 465 sendslope -69000 idleslope 31000 offload 1
    net eth1: set FIFO3 bw = 31
”h]”j  )”}”(hXp  // Set rate for class A - 31 Mbit (tc0, txq2) using CBS Qdisc for Eth1
// here only idle slope is important, others ignored, but calculated
// for interface speed - 100Mb for eth1 port.
// Set it +1 Mb for reserve (important!)
$ tc qdisc add dev eth1 parent 100:3 cbs locredit -1035 \
hicredit 465 sendslope -69000 idleslope 31000 offload 1
net eth1: set FIFO3 bw = 31”h]”hXp  // Set rate for class A - 31 Mbit (tc0, txq2) using CBS Qdisc for Eth1
// here only idle slope is important, others ignored, but calculated
// for interface speed - 100Mb for eth1 port.
// Set it +1 Mb for reserve (important!)
$ tc qdisc add dev eth1 parent 100:3 cbs locredit -1035 \
hicredit 465 sendslope -69000 idleslope 31000 offload 1
net eth1: set FIFO3 bw = 31”…””}”hjÅ  sbah}”(h]”h ]”h"]”h$]”h&]”h±h²uh1j  hŸh³h MþhjÁ  ubah}”(h]”h ]”h"]”h$]”h&]”uh1j2  hj†  hžhhŸh³h Nubj3  )”}”(hX  ::

    // Set rate for class B - 11 Mbit (tc1, txq3) using CBS Qdisc for Eth1
    // Set it +1 Mb for reserve (important!)
    $ tc qdisc add dev eth1 parent 100:4 cbs locredit -1335 \
    hicredit 405 sendslope -89000 idleslope 11000 offload 1
    net eth1: set FIFO2 bw = 11
”h]”j  )”}”(hŒý// Set rate for class B - 11 Mbit (tc1, txq3) using CBS Qdisc for Eth1
// Set it +1 Mb for reserve (important!)
$ tc qdisc add dev eth1 parent 100:4 cbs locredit -1335 \
hicredit 405 sendslope -89000 idleslope 11000 offload 1
net eth1: set FIFO2 bw = 11”h]”hŒý// Set rate for class B - 11 Mbit (tc1, txq3) using CBS Qdisc for Eth1
// Set it +1 Mb for reserve (important!)
$ tc qdisc add dev eth1 parent 100:4 cbs locredit -1335 \
hicredit 405 sendslope -89000 idleslope 11000 offload 1
net eth1: set FIFO2 bw = 11”…””}”hjÝ  sbah}”(h]”h ]”h"]”h$]”h&]”h±h²uh1j  hŸh³h MhjÙ  ubah}”(h]”h ]”h"]”h$]”h&]”uh1j2  hj†  hžhhŸh³h Nubj3  )”}”(hŒ®::

    // Create vlan 100 to map sk->priority to vlan qos for Eth1
    $ ip link add link eth1 name eth1.100 type vlan id 100
    net eth1: Adding vlanid 100 to vlan filter
”h]”j  )”}”(hŒ// Create vlan 100 to map sk->priority to vlan qos for Eth1
$ ip link add link eth1 name eth1.100 type vlan id 100
net eth1: Adding vlanid 100 to vlan filter”h]”hŒ// Create vlan 100 to map sk->priority to vlan qos for Eth1
$ ip link add link eth1 name eth1.100 type vlan id 100
net eth1: Adding vlanid 100 to vlan filter”…””}”hjõ  sbah}”(h]”h ]”h"]”h$]”h&]”h±h²uh1j  hŸh³h Mhjñ  ubah}”(h]”h ]”h"]”h$]”h&]”uh1j2  hj†  hžhhŸh³h Nubj3  )”}”(hŒ“::

    // Map skb->priority to L2 prio for Eth1.100, one to one
    $ ip link set eth1.100 type vlan \
    egress 0:0 1:1 2:2 3:3 4:4 5:5 6:6 7:7
”h]”j  )”}”(hŒ‚// Map skb->priority to L2 prio for Eth1.100, one to one
$ ip link set eth1.100 type vlan \
egress 0:0 1:1 2:2 3:3 4:4 5:5 6:6 7:7”h]”hŒ‚// Map skb->priority to L2 prio for Eth1.100, one to one
$ ip link set eth1.100 type vlan \
egress 0:0 1:1 2:2 3:3 4:4 5:5 6:6 7:7”…””}”hj  sbah}”(h]”h ]”h"]”h$]”h&]”h±h²uh1j  hŸh³h Mhj	  ubah}”(h]”h ]”h"]”h$]”h&]”uh1j2  hj†  hžhhŸh³h Nubj3  )”}”(hŒØ::

    // Check egress map for vlan 100
    $ cat /proc/net/vlan/eth1.100
    [...]
    INGRESS priority mappings: 0:0  1:0  2:0  3:0  4:0  5:0  6:0 7:0
    EGRESS priority mappings: 0:0 1:1 2:2 3:3 4:4 5:5 6:6 7:7
”h]”j  )”}”(hŒ¿// Check egress map for vlan 100
$ cat /proc/net/vlan/eth1.100
[...]
INGRESS priority mappings: 0:0  1:0  2:0  3:0  4:0  5:0  6:0 7:0
EGRESS priority mappings: 0:0 1:1 2:2 3:3 4:4 5:5 6:6 7:7”h]”hŒ¿// Check egress map for vlan 100
$ cat /proc/net/vlan/eth1.100
[...]
INGRESS priority mappings: 0:0  1:0  2:0  3:0  4:0  5:0  6:0 7:0
EGRESS priority mappings: 0:0 1:1 2:2 3:3 4:4 5:5 6:6 7:7”…””}”hj%  sbah}”(h]”h ]”h"]”h$]”h&]”h±h²uh1j  hŸh³h Mhj!  ubah}”(h]”h ]”h"]”h$]”h&]”uh1j2  hj†  hžhhŸh³h Nubj3  )”}”(hX€  ::

    // Run appropriate tools with socket option "SO_PRIORITY" to 3
    // for class A and to 2 for class B. For both interfaces
    ./tsn_talker -d 18:03:73:66:87:42 -i eth0.100 -p2 -s 1500&
    ./tsn_talker -d 18:03:73:66:87:42 -i eth0.100 -p3 -s 1500&
    ./tsn_talker -d 20:cf:30:85:7d:fd -i eth1.100 -p2 -s 1500&
    ./tsn_talker -d 20:cf:30:85:7d:fd -i eth1.100 -p3 -s 1500&
”h]”j  )”}”(hXc  // Run appropriate tools with socket option "SO_PRIORITY" to 3
// for class A and to 2 for class B. For both interfaces
./tsn_talker -d 18:03:73:66:87:42 -i eth0.100 -p2 -s 1500&
./tsn_talker -d 18:03:73:66:87:42 -i eth0.100 -p3 -s 1500&
./tsn_talker -d 20:cf:30:85:7d:fd -i eth1.100 -p2 -s 1500&
./tsn_talker -d 20:cf:30:85:7d:fd -i eth1.100 -p3 -s 1500&”h]”hXc  // Run appropriate tools with socket option "SO_PRIORITY" to 3
// for class A and to 2 for class B. For both interfaces
./tsn_talker -d 18:03:73:66:87:42 -i eth0.100 -p2 -s 1500&
./tsn_talker -d 18:03:73:66:87:42 -i eth0.100 -p3 -s 1500&
./tsn_talker -d 20:cf:30:85:7d:fd -i eth1.100 -p2 -s 1500&
./tsn_talker -d 20:cf:30:85:7d:fd -i eth1.100 -p3 -s 1500&”…””}”hj=  sbah}”(h]”h ]”h"]”h$]”h&]”h±h²uh1j  hŸh³h M$hj9  ubah}”(h]”h ]”h"]”h$]”h&]”uh1j2  hj†  hžhhŸh³h Nubj3  )”}”(hXš  ::

    // run your listener on workstation (should be in same vlan)
    // (I took at https://www.spinics.net/lists/netdev/msg460869.html)
    ./tsn_listener -d 18:03:73:66:87:42 -i enp5s0 -s 1500
    Receiving data rate: 39012 kbps
    Receiving data rate: 39012 kbps
    Receiving data rate: 39012 kbps
    Receiving data rate: 39012 kbps
    Receiving data rate: 39012 kbps
    Receiving data rate: 39012 kbps
    Receiving data rate: 39012 kbps
    Receiving data rate: 39012 kbps
    Receiving data rate: 39012 kbps
    Receiving data rate: 39012 kbps
    Receiving data rate: 39012 kbps
    Receiving data rate: 39012 kbps
    Receiving data rate: 39000 kbps
”h]”j  )”}”(hXU  // run your listener on workstation (should be in same vlan)
// (I took at https://www.spinics.net/lists/netdev/msg460869.html)
./tsn_listener -d 18:03:73:66:87:42 -i enp5s0 -s 1500
Receiving data rate: 39012 kbps
Receiving data rate: 39012 kbps
Receiving data rate: 39012 kbps
Receiving data rate: 39012 kbps
Receiving data rate: 39012 kbps
Receiving data rate: 39012 kbps
Receiving data rate: 39012 kbps
Receiving data rate: 39012 kbps
Receiving data rate: 39012 kbps
Receiving data rate: 39012 kbps
Receiving data rate: 39012 kbps
Receiving data rate: 39012 kbps
Receiving data rate: 39000 kbps”h]”hXU  // run your listener on workstation (should be in same vlan)
// (I took at https://www.spinics.net/lists/netdev/msg460869.html)
./tsn_listener -d 18:03:73:66:87:42 -i enp5s0 -s 1500
Receiving data rate: 39012 kbps
Receiving data rate: 39012 kbps
Receiving data rate: 39012 kbps
Receiving data rate: 39012 kbps
Receiving data rate: 39012 kbps
Receiving data rate: 39012 kbps
Receiving data rate: 39012 kbps
Receiving data rate: 39012 kbps
Receiving data rate: 39012 kbps
Receiving data rate: 39012 kbps
Receiving data rate: 39012 kbps
Receiving data rate: 39012 kbps
Receiving data rate: 39000 kbps”…””•ã      }”hjU  sbah}”(h]”h ]”h"]”h$]”h&]”h±h²uh1j  hŸh³h M-hjQ  ubah}”(h]”h ]”h"]”h$]”h&]”uh1j2  hj†  hžhhŸh³h Nubj3  )”}”(hXŒ  ::

    // Restore default configuration if needed
    $ ip link del eth1.100
    $ ip link del eth0.100
    $ tc qdisc del dev eth1 root
    net eth1: Prev FIFO2 is shaped
    net eth1: set FIFO3 bw = 0
    net eth1: set FIFO2 bw = 0
    $ tc qdisc del dev eth0 root
    net eth0: Prev FIFO2 is shaped
    net eth0: set FIFO3 bw = 0
    net eth0: set FIFO2 bw = 0
    $ ethtool -L eth0 rx 1 tx 1”h]”j  )”}”(hXX  // Restore default configuration if needed
$ ip link del eth1.100
$ ip link del eth0.100
$ tc qdisc del dev eth1 root
net eth1: Prev FIFO2 is shaped
net eth1: set FIFO3 bw = 0
net eth1: set FIFO2 bw = 0
$ tc qdisc del dev eth0 root
net eth0: Prev FIFO2 is shaped
net eth0: set FIFO3 bw = 0
net eth0: set FIFO2 bw = 0
$ ethtool -L eth0 rx 1 tx 1”h]”hXX  // Restore default configuration if needed
$ ip link del eth1.100
$ ip link del eth0.100
$ tc qdisc del dev eth1 root
net eth1: Prev FIFO2 is shaped
net eth1: set FIFO3 bw = 0
net eth1: set FIFO2 bw = 0
$ tc qdisc del dev eth0 root
net eth0: Prev FIFO2 is shaped
net eth0: set FIFO3 bw = 0
net eth0: set FIFO2 bw = 0
$ ethtool -L eth0 rx 1 tx 1”…””}”hjm  sbah}”(h]”h ]”h"]”h$]”h&]”h±h²uh1j  hŸh³h M@hji  ubah}”(h]”h ]”h"]”h$]”h&]”uh1j2  hj†  hžhhŸh³h Nubeh}”(h]”h ]”h"]”h$]”h&]”jN  jO  jP  hjQ  jR  uh1jË  hjY  hžhhŸh³h Mzubeh}”(h]”Œ?example-2-two-port-tx-avb-configuration-scheme-for-target-board”ah ]”h"]”Œ@example 2: two port tx avb configuration scheme for target board”ah$]”h&]”uh1h´hj   hžhhŸh³h M2ubeh}”(h]”Œtest-setup-for-examples”ah ]”h"]”Œtest setup for examples”ah$]”h&]”uh1h´hh¶hžhhŸh³h K)ubeh}”(h]”Œ&texas-instruments-cpsw-ethernet-driver”ah ]”h"]”Œ&texas instruments cpsw ethernet driver”ah$]”h&]”uh1h´hhhžhhŸh³h Kubeh}”(h]”h ]”h"]”h$]”h&]”Œsource”h³uh1hŒcurrent_source”NŒcurrent_line”NŒsettings”Œdocutils.frontend”ŒValues”“”)”}”(h¹NŒ	generator”NŒ	datestamp”NŒsource_link”NŒ
source_url”NŒtoc_backlinks”Œentry”Œfootnote_backlinks”KŒsectnum_xform”KŒstrip_comments”NŒstrip_elements_with_classes”NŒstrip_classes”NŒreport_level”KŒ
halt_level”KŒexit_status_level”KŒdebug”NŒwarning_stream”NŒ	traceback”ˆŒinput_encoding”Œ	utf-8-sig”Œinput_encoding_error_handler”Œstrict”Œoutput_encoding”Œutf-8”Œoutput_encoding_error_handler”jÂ  Œerror_encoding”Œutf-8”Œerror_encoding_error_handler”Œbackslashreplace”Œlanguage_code”Œen”Œrecord_dependencies”NŒconfig”NŒ	id_prefix”hŒauto_id_prefix”Œid”Œdump_settings”NŒdump_internals”NŒdump_transforms”NŒdump_pseudo_xml”NŒexpose_internals”NŒstrict_visitor”NŒ_disable_config”NŒ_source”h³Œ_destination”NŒ_config_files”]”Œ7/var/lib/git/docbuild/linux/Documentation/docutils.conf”aŒfile_insertion_enabled”ˆŒraw_enabled”KŒline_length_limit”M'Œpep_references”NŒpep_base_url”Œhttps://peps.python.org/”Œpep_file_url_template”Œpep-%04d”Œrfc_references”NŒrfc_base_url”Œ&https://datatracker.ietf.org/doc/html/”Œ	tab_width”KŒtrim_footnote_reference_space”‰Œsyntax_highlight”Œlong”Œsmart_quotes”ˆŒsmartquotes_locales”]”Œcharacter_level_inline_markup”‰Œdoctitle_xform”‰Œdocinfo_xform”KŒsectsubtitle_xform”‰Œimage_loading”Œlink”Œembed_stylesheet”‰Œcloak_email_addresses”ˆŒsection_self_link”‰Œenv”NubŒreporter”NŒindirect_targets”]”Œsubstitution_defs”}”Œsubstitution_names”}”Œrefnames”}”Œrefids”}”Œnameids”}”(jœ  j™  hýhújý  jú  j”  j‘  jV  jS  jŒ  j‰  uŒ	nametypes”}”(jœ  ‰hý‰jý  ‰j”  ‰jV  ‰jŒ  ‰uh}”(j™  h¶húhÉjú  j   j‘  j   jS  j!  j‰  jY  uŒfootnote_refs”}”Œcitation_refs”}”Œautofootnotes”]”Œautofootnote_refs”]”Œsymbol_footnotes”]”Œsymbol_footnote_refs”]”Œ	footnotes”]”Œ	citations”]”Œautofootnote_start”KŒsymbol_footnote_start”K Œ
id_counter”Œcollections”ŒCounter”“”}”…”R”Œparse_messages”]”hŒsystem_message”“”)”}”(hhh]”hÛ)”}”(hŒ:Enumerated list start value not ordinal-1: "6" (ordinal 6)”h]”hŒ>Enumerated list start value not ordinal-1: â€œ6â€ (ordinal 6)”…””}”(hj)  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÚhj&  ubah}”(h]”h ]”h"]”h$]”h&]”Œlevel”KŒtype”ŒINFO”Œsource”h³Œline”Kuh1j$  hj!  hžhhŸh³h KÐubaŒtransform_messages”]”Œtransformer”NŒinclude_log”]”Œ
decoration”Nhžhub.