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[fabbione/kronosnet] 977e2c: [crypto] align crypto_authenticate_and_decrypt API...
by GitHub 25 Nov '15

25 Nov '15

Branch: refs/heads/master Home: https://github.com/fabbione/kronosnet Commit: 977e2cbc62d371fd5b243e0dddcd0364fba07842 https://github.com/fabbione/kronosnet/commit/977e2cbc62d371fd5b243e0dddcd03… Author: Fabio M. Di Nitto <fdinitto(a)redhat.com> Date: 2015-11-25 (Wed, 25 Nov 2015) Changed paths: M libknet/crypto.c M libknet/crypto.h M libknet/handle.c M libknet/internals.h M libknet/nsscrypto.c M libknet/nsscrypto.h M libknet/threads_send_recv.c Log Message: ----------- [crypto] align crypto_authenticate_and_decrypt API to crypto_encrypt_and_sign 2 issues solved by this change: 1) API were different and crypto_authenticate_and_decrypt would trash the incoming packet, that we might want to keep for later usage (re-switch for example) 2) By using an extre pre-allocated buffer while decrypting incoming packets we save a whole memcpy and that reduces latency on crypto communications: pre-patch: [root@kronosnet-node1-br0 ~]# ping 192.168.12.2 -f -c 1000 -s 65000 PING 192.168.12.2 (192.168.12.2) 65000(65028) bytes of data. --- 192.168.12.2 ping statistics --- 1000 packets transmitted, 1000 received, 0% packet loss, time 5302ms rtt min/avg/max/mdev = 5.102/5.283/22.679/0.947 ms, pipe 3, ipg/ewma 5.307/5.223 ms post-patch: [root@kronosnet-node1-br0 ~]# ping 192.168.12.2 -f -c 1000 -s 65000 PING 192.168.12.2 (192.168.12.2) 65000(65028) bytes of data. --- 192.168.12.2 ping statistics --- 1000 packets transmitted, 1000 received, 0% packet loss, time 5196ms rtt min/avg/max/mdev = 4.997/5.154/6.661/0.129 ms, ipg/ewma 5.201/5.173 ms (using aes256 and sha1) Signed-off-by: Fabio M. Di Nitto <fdinitto(a)redhat.com>

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[fabbione/kronosnet] 1c9ce2: [send/recv] init recv buffer array only once
by GitHub 22 Nov '15

22 Nov '15

Branch: refs/heads/master Home: https://github.com/fabbione/kronosnet Commit: 1c9ce283e38d43660169849b1d8d5bb21764571a https://github.com/fabbione/kronosnet/commit/1c9ce283e38d43660169849b1d8d5b… Author: Fabio M. Di Nitto <fdinitto(a)redhat.com> Date: 2015-11-22 (Sun, 22 Nov 2015) Changed paths: M libknet/threads_send_recv.c Log Message: ----------- [send/recv] init recv buffer array only once Signed-off-by: Fabio M. Di Nitto <fdinitto(a)redhat.com>

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[fabbione/kronosnet] 79e72e: [internal] define/use PCKT_FRAG_MAX instead of UIN...
by GitHub 22 Nov '15

22 Nov '15

Branch: refs/heads/master Home: https://github.com/fabbione/kronosnet Commit: 79e72eeba4ab5db823f33f7475c1a0a709aab608 https://github.com/fabbione/kronosnet/commit/79e72eeba4ab5db823f33f7475c1a0… Author: Fabio M. Di Nitto <fdinitto(a)redhat.com> Date: 2015-11-22 (Sun, 22 Nov 2015) Changed paths: M libknet/handle.c M libknet/internals.h M libknet/threads_send_recv.c Log Message: ----------- [internal] define/use PCKT_FRAG_MAX instead of UINT8_MAX makes the code more readable Signed-off-by: Fabio M. Di Nitto <fdinitto(a)redhat.com>

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[fabbione/kronosnet] 8930bb: Fix error message
by GitHub 22 Nov '15

22 Nov '15

Branch: refs/heads/master Home: https://github.com/fabbione/kronosnet Commit: 8930bb5eb1b339905d248092d472b77a44e24496 https://github.com/fabbione/kronosnet/commit/8930bb5eb1b339905d248092d472b7… Author: Fabio M. Di Nitto <fdinitto(a)redhat.com> Date: 2015-11-22 (Sun, 22 Nov 2015) Changed paths: M libknet/threads_send_recv.c Log Message: ----------- Fix error message Signed-off-by: Fabio M. Di Nitto <fdinitto(a)redhat.com>

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[fabbione/kronosnet] 02ae85: Update TODO
by GitHub 22 Nov '15

22 Nov '15

Branch: refs/heads/master Home: https://github.com/fabbione/kronosnet Commit: 02ae8579beab22a61ebd53c32c538965eabe22a6 https://github.com/fabbione/kronosnet/commit/02ae8579beab22a61ebd53c32c5389… Author: Fabio M. Di Nitto <fdinitto(a)redhat.com> Date: 2015-11-22 (Sun, 22 Nov 2015) Changed paths: M TODO Log Message: ----------- Update TODO Signed-off-by: Fabio M. Di Nitto <fdinitto(a)redhat.com> Commit: 60ee8a1945ad2dea62cdf79848cb162ca02f888d https://github.com/fabbione/kronosnet/commit/60ee8a1945ad2dea62cdf79848cb16… Author: Fabio M. Di Nitto <fdinitto(a)redhat.com> Date: 2015-11-22 (Sun, 22 Nov 2015) Changed paths: M libknet/handle.c M libknet/internals.h M libknet/threads_send_recv.c Log Message: ----------- [send/recv] use recvmmsg on network sockets On my test systems this change reduces the latency of fragmented packets from 0.27ms to 0.235ms in average. There are still some optimizations on how buffers can be initialized that could shave some time on this code path. Signed-off-by: Fabio M. Di Nitto <fdinitto(a)redhat.com> Compare: https://github.com/fabbione/kronosnet/compare/5a59367f485e...60ee8a1945ad

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[fabbione/kronosnet] 5a5936: Update copyright dates
by GitHub 18 Nov '15

18 Nov '15

Branch: refs/heads/master Home: https://github.com/fabbione/kronosnet Commit: 5a59367f485e36aceee8f08550c79d7c3a09d100 https://github.com/fabbione/kronosnet/commit/5a59367f485e36aceee8f08550c79d… Author: Fabio M. Di Nitto <fdinitto(a)redhat.com> Date: 2015-11-18 (Wed, 18 Nov 2015) Changed paths: M COPYRIGHT M Makefile.am M configure.ac M debian/copyright M docs/Makefile.am M init/Makefile.am M init/kronosnetd.in M init/kronosnetd.service.in M kronosnet.spec.in M kronosnetd/Makefile.am M kronosnetd/cfg.c M kronosnetd/cfg.h M kronosnetd/etherfilter.c M kronosnetd/etherfilter.h M kronosnetd/keygen.c M kronosnetd/knet-keygen.8 M kronosnetd/kronosnetd.8 M kronosnetd/kronosnetd.logrotate.in M kronosnetd/logging.c M kronosnetd/logging.h M kronosnetd/main.c M kronosnetd/netutils.c M kronosnetd/netutils.h M kronosnetd/netutils_test.c M kronosnetd/vty.c M kronosnetd/vty.h M kronosnetd/vty_auth.c M kronosnetd/vty_auth.h M kronosnetd/vty_cli.c M kronosnetd/vty_cli.h M kronosnetd/vty_cli_cmds.c M kronosnetd/vty_cli_cmds.h M kronosnetd/vty_utils.c M kronosnetd/vty_utils.h M libknet/Makefile.am M libknet/common.c M libknet/common.h M libknet/crypto.c M libknet/crypto.h M libknet/handle.c M libknet/host.c M libknet/host.h M libknet/internals.h M libknet/khandle_test.c M libknet/libknet.h M libknet/libknet.pc.in M libknet/link.c M libknet/link.h M libknet/listener.c M libknet/listener.h M libknet/logging.c M libknet/logging.h M libknet/nsscrypto.c M libknet/nsscrypto.h M libknet/onwire.h M libknet/ping_test.c M libknet/threads_common.h M libknet/threads_dsthandler.c M libknet/threads_dsthandler.h M libknet/threads_heartbeat.c M libknet/threads_heartbeat.h M libknet/threads_pmtud.c M libknet/threads_pmtud.h M libknet/threads_send_recv.c M libknet/threads_send_recv.h M libknet/timediff_test.c M libtap/Makefile.am M libtap/libtap.c M libtap/libtap.h M libtap/libtap.pc.in M libtap/tap_updown_bad/down.d/kronostest M libtap/tap_updown_bad/post-down.d/kronostest M libtap/tap_updown_bad/pre-up.d/kronostest M libtap/tap_updown_bad/up.d/kronostest M libtap/tap_updown_good/down.d/kronostest M libtap/tap_updown_good/post-down.d/kronostest M libtap/tap_updown_good/pre-up.d/kronostest M libtap/tap_updown_good/up.d/kronostest Log Message: ----------- Update copyright dates Signed-off-by: Fabio M. Di Nitto <fdinitto(a)redhat.com>

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[fabbione/kronosnet] 5842a2: [build] update configure.ac
by GitHub 18 Nov '15

18 Nov '15

Branch: refs/heads/master Home: https://github.com/fabbione/kronosnet Commit: 5842a2f926f51c47458e94eca115953019637c56 https://github.com/fabbione/kronosnet/commit/5842a2f926f51c47458e94eca11595… Author: Fabio M. Di Nitto <fdinitto(a)redhat.com> Date: 2015-11-18 (Wed, 18 Nov 2015) Changed paths: M configure.ac Log Message: ----------- [build] update configure.ac Signed-off-by: Fabio M. Di Nitto <fdinitto(a)redhat.com>

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[fabbione/kronosnet] 6f1e8d: [send/recv] fix data filling in the frag code
by GitHub 16 Nov '15

16 Nov '15

Branch: refs/heads/master Home: https://github.com/fabbione/kronosnet Commit: 6f1e8db357aa1d15684054ac5ed9afe5d9e604b3 https://github.com/fabbione/kronosnet/commit/6f1e8db357aa1d15684054ac5ed9af… Author: Fabio M. Di Nitto <fdinitto(a)redhat.com> Date: 2015-11-16 (Mon, 16 Nov 2015) Changed paths: M libknet/threads_send_recv.c Log Message: ----------- [send/recv] fix data filling in the frag code Signed-off-by: Fabio M. Di Nitto <fdinitto(a)redhat.com>

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[fabbione/kronosnet] c24b22: [send/recv] use sendmmsg to reduce latency
by GitHub 16 Nov '15

16 Nov '15

Branch: refs/heads/master Home: https://github.com/fabbione/kronosnet Commit: c24b22f5f51d70523a447c418055bea58eb3e265 https://github.com/fabbione/kronosnet/commit/c24b22f5f51d70523a447c418055be… Author: Fabio M. Di Nitto <fdinitto(a)redhat.com> Date: 2015-11-16 (Mon, 16 Nov 2015) Changed paths: M libknet/handle.c M libknet/internals.h M libknet/threads_send_recv.c Log Message: ----------- [send/recv] use sendmmsg to reduce latency On my test systems this change reduces the latency from 0.7ms to 0.25ms when sending 65000 bytes packet and using internal re-assembly code. Internally use N buffers to split the incoming data and reduce by N frags the amount of memcpy between kernel and userland. Signed-off-by: Fabio M. Di Nitto <fdinitto(a)redhat.com>

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[fabbione/kronosnet] 447c44: [internal] reduce memory footprint further down
by GitHub 16 Nov '15

16 Nov '15

Branch: refs/heads/master Home: https://github.com/fabbione/kronosnet Commit: 447c4479c0f2e42164b4117831c8c0406ed57c0c https://github.com/fabbione/kronosnet/commit/447c4479c0f2e42164b4117831c8c0… Author: Fabio M. Di Nitto <fdinitto(a)redhat.com> Date: 2015-11-16 (Mon, 16 Nov 2015) Changed paths: M libknet/internals.h Log Message: ----------- [internal] reduce memory footprint further down Signed-off-by: Fabio M. Di Nitto <fdinitto(a)redhat.com>

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