--- zzzz-none-000/linux-4.1.38/Documentation/networking/ip-sysctl.txt 2017-01-18 18:48:06.000000000 +0000 +++ bcm63-7582-715/linux-4.1.38/Documentation/networking/ip-sysctl.txt 2020-11-25 10:06:48.000000000 +0000 @@ -223,6 +223,14 @@ Path MTU discovery (MTU probing). If MTU probing is enabled, this is the initial MSS used by the connection. +tcp_min_snd_mss - INTEGER + TCP SYN and SYNACK messages usually advertise an ADVMSS option, + as described in RFC 1122 and RFC 6691. + If this ADVMSS option is smaller than tcp_min_snd_mss, + it is silently capped to tcp_min_snd_mss. + + Default : 48 (at least 8 bytes of payload per segment) + tcp_congestion_control - STRING Set the congestion control algorithm to be used for new connections. The algorithm "reno" is always available, but @@ -675,6 +683,20 @@ in RFC 5961 (Improving TCP's Robustness to Blind In-Window Attacks) Default: 100 +#if defined(CONFIG_BCM_MPTCP) && defined(CONFIG_BCM_KF_MPTCP) +MPTCP variables: + +mptcp_enabled - INTEGER + Enable or disable Multipath TCP for new connections. + Possible values are: + + 0: Multipath TCP is disabled on all TCP-sockets that are newly created. + 1: Multipath TCP is enabled by default on all new TCP-sockets. Note that + existing sockets in LISTEN-state will still use regular TCP. + 2: Enables Multipath TCP only upon the request of the application + throught the socket-option MPTCP_ENABLED. + +#endif UDP variables: udp_mem - vector of 3 INTEGERs: min, pressure, max