From: David S. Miller Date: Fri, 27 Jun 2014 22:53:54 +0000 (-0700) Subject: Merge branch 'tcp_conn_request_unification' X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=9e1a21b69394b677bd9b144bb638f6c660f77ed2;p=linux-beck.git Merge branch 'tcp_conn_request_unification' Octavian Purdila says: ==================== tcp: remove code duplication in tcp_v[46]_conn_request This patch series unifies the TCPv4 and TCPv6 connection request flow in a single new function (tcp_conn_request). The first 3 patches are small cleanups and fixes found during the code merge process. The next patches add new methods in tcp_request_sock_ops to abstract the IPv4/IPv6 operations and keep the TCP connection request flow common. To identify potential performance issues this patch has been tested by measuring the connection per second rate with nginx and a httperf like client (to allow for concurrent connection requests - 256 CC were used during testing) using the loopback interface. A dual-core i5 Ivy Bridge processor was used and each process was bounded to a different core to make results consistent. Results for IPv4, unit is connections per second, higher is better, 20 measurements have been collected: before after min 27917 27962 max 28262 28366 avg 28094.1 28212.75 stdev 87.35 97.26 Results for IPv6, unit is connections per second, higher is better, 20 measurements have been collected: before after min 24813 24877 max 25029 25119 avg 24935.5 25017 stdev 64.13 62.93 Changes since v1: * add benchmarking datapoints * fix a few issues in the last patch (IPv6 related) ==================== Signed-off-by: David S. Miller --- 9e1a21b69394b677bd9b144bb638f6c660f77ed2