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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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b59768c6b4
Switch to native NAPI polling, as this reduces overhead and complexity. Normal path is faster, since one cmpxchg() is not anymore requested, and busy polling with the NAPI polling has same performance. Tested: lpk50:~# cat /proc/sys/net/core/busy_read 70 lpk50:~# nstat >/dev/null;./netperf -H lpk55 -t TCP_RR;nstat MIGRATED TCP REQUEST/RESPONSE TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to lpk55.prod.google.com () port 0 AF_INET : first burst 0 Local /Remote Socket Size Request Resp. Elapsed Trans. Send Recv Size Size Time Rate bytes Bytes bytes bytes secs. per sec 16384 87380 1 1 10.00 40095.07 16384 87380 IpInReceives 401062 0.0 IpInDelivers 401062 0.0 IpOutRequests 401079 0.0 TcpActiveOpens 7 0.0 TcpPassiveOpens 3 0.0 TcpAttemptFails 3 0.0 TcpEstabResets 5 0.0 TcpInSegs 401036 0.0 TcpOutSegs 401052 0.0 TcpOutRsts 38 0.0 UdpInDatagrams 26 0.0 UdpOutDatagrams 27 0.0 Ip6OutNoRoutes 1 0.0 TcpExtDelayedACKs 1 0.0 TcpExtTCPPrequeued 98 0.0 TcpExtTCPDirectCopyFromPrequeue 98 0.0 TcpExtTCPHPHits 4 0.0 TcpExtTCPHPHitsToUser 98 0.0 TcpExtTCPPureAcks 5 0.0 TcpExtTCPHPAcks 101 0.0 TcpExtTCPAbortOnData 6 0.0 TcpExtBusyPollRxPackets 400832 0.0 TcpExtTCPOrigDataSent 400983 0.0 IpExtInOctets 21273867 0.0 IpExtOutOctets 21261254 0.0 IpExtInNoECTPkts 401064 0.0 Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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| .. | ||
| bnx2x | ||
| bnxt | ||
| genet | ||
| b44.c | ||
| b44.h | ||
| bcm63xx_enet.c | ||
| bcm63xx_enet.h | ||
| bcmsysport.c | ||
| bcmsysport.h | ||
| bgmac.c | ||
| bgmac.h | ||
| bnx2_fw.h | ||
| bnx2.c | ||
| bnx2.h | ||
| cnic_defs.h | ||
| cnic_if.h | ||
| cnic.c | ||
| cnic.h | ||
| Kconfig | ||
| Makefile | ||
| sb1250-mac.c | ||
| tg3.c | ||
| tg3.h | ||