linux_dsm_epyc7002/net/mptcp/mib.h
Geliang Tang 7a7e52e38a mptcp: add RM_ADDR related mibs
This patch added two new mibs for RM_ADDR, named MPTCP_MIB_RMADDR and
MPTCP_MIB_RMSUBFLOW, when the RM_ADDR suboption is received, increase
the first mib counter, when the local subflow is removed, increase the
second mib counter.

Suggested-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Suggested-by: Paolo Abeni <pabeni@redhat.com>
Suggested-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Acked-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Reviewed-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-24 19:58:34 -07:00

50 lines
2.0 KiB
C

/* 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_OFOQUEUETAIL, /* Segments inserted into OoO queue tail */
MPTCP_MIB_OFOQUEUE, /* Segments inserted into OoO queue */
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_RMADDR, /* Received RM_ADDR */
MPTCP_MIB_RMSUBFLOW, /* Remove a subflow */
__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);