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authorDavid S. Miller <davem@davemloft.net>2018-11-08 20:48:01 -0800
committerDavid S. Miller <davem@davemloft.net>2018-11-08 20:48:01 -0800
commitdb8ba1e8c39a0e4a012949b5b8ac68386bd39b28 (patch)
tree43dff3f5fe65ac9a1d3ffb56b3f71aaa2bb07364 /net/ipv4/tcp_ipv4.c
parenttcp_bbr: update comments to reflect pacing_margin_percent (diff)
parentnfp: abm: refuse RED offload with harddrop set (diff)
downloadlinux-dev-db8ba1e8c39a0e4a012949b5b8ac68386bd39b28.tar.xz
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Merge branch 'nfp-abm-move-code-and-improve-parameter-validation'
Jakub Kicinski says: ==================== nfp: abm: move code and improve parameter validation This set starts by separating Qdisc handling code into a new file. Next two patches allow early access to TLV-based capabilities during probe, previously the capabilities were parsed just before netdevs were registered, but its cleaner to do some basic validation earlier and avoid cleanup work. Next three patches improve RED's parameter validation. First we provide a more precise message about why offload failed (and move the parameter validation to a helper). Next we make sure we don't set the top bit in the 32 bit max RED threshold value. Because FW is treating the value as signed it reportedly causes slow downs (unnecessary queuing and marking) when top bit is set with recent firmwares. Last (and perhaps least importantly) we offload the harddrop parameter of the Qdisc. We don't plan to offload harddrop RED, but it seems prudent to make sure user didn't set that flag as device behaviour would have differed. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
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