linux-stable/net/mptcp/mib.h
Geliang Tang 2fbdd9eaf1 mptcp: add the mibs for ADD_ADDR with port
This patch adds the mibs for ADD_ADDR with port:

MPTCP_MIB_PORTADD for received ADD_ADDR suboption with a port number.

MPTCP_MIB_PORTSYNRX, MPTCP_MIB_PORTSYNACKRX, MPTCP_MIB_PORTACKRX, for
received MP_JOIN's SYN or SYN/ACK or ACK with a port number which is
different from the msk's port number.

MPTCP_MIB_MISMATCHPORTSYNRX and MPTCP_MIB_MISMATCHPORTACKRX, for
received SYN or ACK MP_JOIN with a mismatched port-number.

Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-02-02 18:37:20 -08:00

57 lines
2.6 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_PORTADD, /* Received ADD_ADDR with a port-number */
MPTCP_MIB_JOINPORTSYNRX, /* Received a SYN MP_JOIN with a different port-number */
MPTCP_MIB_JOINPORTSYNACKRX, /* Received a SYNACK MP_JOIN with a different port-number */
MPTCP_MIB_JOINPORTACKRX, /* Received an ACK MP_JOIN with a different port-number */
MPTCP_MIB_MISMATCHPORTSYNRX, /* Received a SYN MP_JOIN with a mismatched port-number */
MPTCP_MIB_MISMATCHPORTACKRX, /* Received an ACK MP_JOIN with a mismatched port-number */
MPTCP_MIB_RMADDR, /* Received RM_ADDR */
MPTCP_MIB_RMSUBFLOW, /* Remove a subflow */
MPTCP_MIB_MPPRIOTX, /* Transmit a MP_PRIO */
MPTCP_MIB_MPPRIORX, /* Received a MP_PRIO */
__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);