From: Geliang Tang Date: Thu, 24 Sep 2020 00:29:51 +0000 (+0800) Subject: mptcp: add ADD_ADDR related mibs X-Git-Tag: v5.15~2655^2~153^2~11 X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=a877de06718f2cc81fa4083b8becf4dd59a296c0;p=mirror_ubuntu-kernels.git mptcp: add ADD_ADDR related mibs This patch added two mibs for ADD_ADDR, MPTCP_MIB_ADDADDR for receiving of the ADD_ADDR suboption with echo-flag=0, and MPTCP_MIB_ECHOADD for receiving the ADD_ADDR suboption with echo-flag=1. Reviewed-by: Mat Martineau Co-developed-by: Paolo Abeni Signed-off-by: Paolo Abeni Signed-off-by: Geliang Tang Signed-off-by: David S. Miller --- diff --git a/net/mptcp/mib.c b/net/mptcp/mib.c index 056986c7a228..a33bf719ce6f 100644 --- a/net/mptcp/mib.c +++ b/net/mptcp/mib.c @@ -27,6 +27,8 @@ static const struct snmp_mib mptcp_snmp_list[] = { SNMP_MIB_ITEM("OFOMerge", MPTCP_MIB_OFOMERGE), SNMP_MIB_ITEM("NoDSSInWindow", MPTCP_MIB_NODSSWINDOW), SNMP_MIB_ITEM("DuplicateData", MPTCP_MIB_DUPDATA), + SNMP_MIB_ITEM("AddAddr", MPTCP_MIB_ADDADDR), + SNMP_MIB_ITEM("EchoAdd", MPTCP_MIB_ECHOADD), SNMP_MIB_SENTINEL }; diff --git a/net/mptcp/mib.h b/net/mptcp/mib.h index 937a177729f1..cdeea3732ddf 100644 --- a/net/mptcp/mib.h +++ b/net/mptcp/mib.h @@ -20,6 +20,8 @@ enum linux_mptcp_mib_field { MPTCP_MIB_OFOMERGE, /* Segments merged in OoO queue */ MPTCP_MIB_NODSSWINDOW, /* Segments not in MPTCP windows */ MPTCP_MIB_DUPDATA, /* Segments discarded due to duplicate DSS */ + MPTCP_MIB_ADDADDR, /* Received ADD_ADDR with echo-flag=0 */ + MPTCP_MIB_ECHOADD, /* Received ADD_ADDR with echo-flag=1 */ __MPTCP_MIB_MAX }; diff --git a/net/mptcp/options.c b/net/mptcp/options.c index a41996e6c6d7..171039cbe9c4 100644 --- a/net/mptcp/options.c +++ b/net/mptcp/options.c @@ -11,6 +11,7 @@ #include #include #include "protocol.h" +#include "mib.h" static bool mptcp_cap_flag_sha256(u8 flags) { @@ -888,8 +889,12 @@ void mptcp_incoming_options(struct sock *sk, struct sk_buff *skb, addr.addr6 = mp_opt.addr6; } #endif - if (!mp_opt.echo) + if (!mp_opt.echo) { mptcp_pm_add_addr_received(msk, &addr); + MPTCP_INC_STATS(sock_net(sk), MPTCP_MIB_ADDADDR); + } else { + MPTCP_INC_STATS(sock_net(sk), MPTCP_MIB_ECHOADD); + } mp_opt.add_addr = 0; }