| /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| |
| enum linux_mptcp_mib_field { |
| MPTCP_MIB_NUM = 0, |
| MPTCP_MIB_MPCAPABLEPASSIVE, /* Received SYN with MP_CAPABLE */ |
| MPTCP_MIB_MPCAPABLEPASSIVEACK, /* Received third ACK with MP_CAPABLE */ |
| MPTCP_MIB_MPCAPABLEPASSIVEFALLBACK,/* Server-side fallback during 3-way handshake */ |
| MPTCP_MIB_MPCAPABLEACTIVEFALLBACK, /* Client-side fallback during 3-way handshake */ |
| MPTCP_MIB_RETRANSSEGS, /* Segments retransmitted at the MPTCP-level */ |
| MPTCP_MIB_JOINNOTOKEN, /* Received MP_JOIN but the token was not found */ |
| MPTCP_MIB_JOINSYNRX, /* Received a SYN + MP_JOIN */ |
| MPTCP_MIB_JOINSYNACKRX, /* Received a SYN/ACK + MP_JOIN */ |
| MPTCP_MIB_JOINSYNACKMAC, /* HMAC was wrong on SYN/ACK + MP_JOIN */ |
| MPTCP_MIB_JOINACKRX, /* Received an ACK + MP_JOIN */ |
| MPTCP_MIB_JOINACKMAC, /* HMAC was wrong on ACK + MP_JOIN */ |
| MPTCP_MIB_DSSNOMATCH, /* Received a new mapping that did not match the previous one */ |
| MPTCP_MIB_INFINITEMAPRX, /* Received an infinite mapping */ |
| __MPTCP_MIB_MAX |
| }; |
| |
| #define LINUX_MIB_MPTCP_MAX __MPTCP_MIB_MAX |
| struct mptcp_mib { |
| unsigned long mibs[LINUX_MIB_MPTCP_MAX]; |
| }; |
| |
| static inline void MPTCP_INC_STATS(struct net *net, |
| enum linux_mptcp_mib_field field) |
| { |
| if (likely(net->mib.mptcp_statistics)) |
| SNMP_INC_STATS(net->mib.mptcp_statistics, field); |
| } |
| |
| static inline void __MPTCP_INC_STATS(struct net *net, |
| enum linux_mptcp_mib_field field) |
| { |
| if (likely(net->mib.mptcp_statistics)) |
| __SNMP_INC_STATS(net->mib.mptcp_statistics, field); |
| } |
| |
| bool mptcp_mib_alloc(struct net *net); |
