TSN Enabling

[quanxian]

Description:
Time Coordinated Sensitive Networking (TSN Computing)

Time-Sensitive Networking (TSN) is a set of standards under development by the Time-Sensitive Networking task group of the IEEE 802.1 working group. The standards define mechanisms for the time-sensitive transmission of data over Ethernet networks. TSN is essential to enable the convergence of IT and OT systems for the Industrial IOT using standard networking.

Patchset below covers all the changes from 4.14 to latest kernel Upstreamed.

Target Releases: 19.04
Target Kernel: 5.0

Patches:
CBS:
1. https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=32302902ff093891d8e64439cbb8ceae83e21ef8
     "mqprio: Reserve last 32 classid values for HW traffic classes and misc IDs"

2. https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=26aa0459fad28725aa0bc12a3615cc9a0bd7118f
     "net/sched: Check for null dev_queue on create flow"

3. https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ce8a75f60b75831947569229616cf1bc94f2d965
     "net/sched: Change behavior of mq select_queue()"

4. https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=585d763af09cc21daf48ecc873604ccdb70f6014
     "net/sched: Introduce Credit Based Shaper (CBS) qdisc"

5. https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3d0bd028ffb4a4915cb64cfa0d2cee1578cc0321
     "net/sched: Add support for HW offloading for CBS"

6. https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8a5f2166a6288ee4b5a393f1ebc8cfb26b0510f0
     "net: export netdev_txq_to_tc to allow sch_mqprio to compile as module"

7. https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0da6090ff70935d71f1c023def59e741f3ae322b
     "igb: Clarify idleslope config constraints"

8. https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=2707df9773cd2cb8b0f35b8592431b301da9d352
     "igb: Fix the transmission mode of queue 0 for Qav mode"

For TAPrio/ETF:
1. igb: Use an advanced ctx descriptor for launchtime • https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git/commit/?id=a798fbac33c4cbfe7d539298623b7af6c3f9525a
2. net: sched: rename qdisc_destroy() to qdisc_put()
https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git/commit/?id=86bd446b5cebd783187ea3772ff258210de77d99 OR can make a one-line change in sch_taprio.c (in commit #3), changing qdisc_put() back to qdisc_destroy() 3. net/sched: Introduce the taprio scheduler • https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git/commit/?id=5a781ccbd19e4664babcbe4b4ead7aa2b9283d22
4. etf: Cancel timer if there are no pending skbs • https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git/commit/net/sched?id=3fcbdaee3b5c4a7f8ea4c7c11fecc009d2a1e7e4
5. etf: Use cached rb_root
• https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git/commit/net/sched?id=09fd4860ea258d9666f852c213875e6bcdb1204e
6. etf: Split timersortedlist_erase()
• https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git/commit/net/sched?id=cbeeb8efec821188c770f582be345ed7b04a0b60
7. etf: Drop all expired packets
• https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git/commit/net/sched?id=37342bdaf5b363cf2e1bd170ce7d1de34ecf57e7
8. commit bffa72cf7f9d ("net: sk_buff rbnode reorg")
9. commit c47d8c2f38f8 ("net: Clear skb->tstamp only on the forwarding path")
10. commit 80b14dee2bea ("net: Add a new socket option for a future transmit time.")
11. commit bc969a977880 ("net: ipv4: Hook into time based transmission")
12. commit a818f75e311c ("net: ipv6: Hook into time based transmission")
13. commit 3d0ba8c03ca9 ("net: packet: Hook into time based transmission.")
14. commit 860b642b9c33 ("net/sched: Allow creating a Qdisc watchdog with other clocks")
15. commit 25db26a91364 ("net/sched: Introduce the ETF Qdisc")
16. commit 88cab77162e8 ("net/sched: Add HW offloading capability to ETF")
17. commit 91db364236c8 ("igb: Refactor igb_configure_cbs()")
18. commit 0364a0d0e7a1 ("igb: Only change Tx arbitration when CBS is on")
19. commit 8080e6ab4e99 ("igb: Refactor igb_offload_cbs()")
20. commit 1b9231e7e148 ("igb: Only call skb_tx_timestamp after descriptors are ready")
21. commit 3048cf84d152 ("igb: Add support for ETF offload")
22. commit 4b15c7075352 ("net/sched: Make etf report drops on error_queue")
23. commit 52b509218f0a ("net: Use __u32 in uapi net_stamp.h")

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