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Diffstat (limited to 'net/mptcp/mib.h')
-rw-r--r--net/mptcp/mib.h50
1 files changed, 49 insertions, 1 deletions
diff --git a/net/mptcp/mib.h b/net/mptcp/mib.h
index 2be3596374f4..812218b5ed2b 100644
--- a/net/mptcp/mib.h
+++ b/net/mptcp/mib.h
@@ -1,5 +1,7 @@
/* SPDX-License-Identifier: GPL-2.0-or-later */
+#include <net/inet_common.h>
+
enum linux_mptcp_mib_field {
MPTCP_MIB_NUM = 0,
MPTCP_MIB_MPCAPABLEPASSIVE, /* Received SYN with MP_CAPABLE */
@@ -8,15 +10,27 @@ enum linux_mptcp_mib_field {
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_MPCAPABLEACTIVEDROP, /* Client-side fallback due to a MPC drop */
+ MPTCP_MIB_MPCAPABLEACTIVEDISABLED, /* Client-side disabled due to past issues */
+ MPTCP_MIB_MPCAPABLEENDPATTEMPT, /* Prohibited MPC to port-based endp */
MPTCP_MIB_TOKENFALLBACKINIT, /* Could not init/allocate token */
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_JOINSYNBACKUPRX, /* Received a SYN + MP_JOIN + backup flag */
MPTCP_MIB_JOINSYNACKRX, /* Received a SYN/ACK + MP_JOIN */
+ MPTCP_MIB_JOINSYNACKBACKUPRX, /* Received a SYN/ACK + MP_JOIN + backup flag */
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_JOINREJECTED, /* The PM rejected the JOIN request */
+ MPTCP_MIB_JOINSYNTX, /* Sending a SYN + MP_JOIN */
+ MPTCP_MIB_JOINSYNTXCREATSKERR, /* Not able to create a socket when sending a SYN + MP_JOIN */
+ MPTCP_MIB_JOINSYNTXBINDERR, /* Not able to bind() the address when sending a SYN + MP_JOIN */
+ MPTCP_MIB_JOINSYNTXCONNECTERR, /* Not able to connect() when sending a SYN + MP_JOIN */
MPTCP_MIB_DSSNOMATCH, /* Received a new mapping that did not match the previous one */
+ MPTCP_MIB_DSSCORRUPTIONFALLBACK,/* DSS corruption detected, fallback */
+ MPTCP_MIB_DSSCORRUPTIONRESET, /* DSS corruption detected, MPJ subflow reset */
MPTCP_MIB_INFINITEMAPTX, /* Sent an infinite mapping */
MPTCP_MIB_INFINITEMAPRX, /* Received an infinite mapping */
MPTCP_MIB_DSSTCPMISMATCH, /* DSS-mapping did not map with TCP's sequence numbers */
@@ -27,7 +41,15 @@ enum linux_mptcp_mib_field {
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_ADDADDRTX, /* Sent ADD_ADDR with echo-flag=0 */
+ MPTCP_MIB_ADDADDRTXDROP, /* ADD_ADDR with echo-flag=0 not send due to
+ * resource exhaustion
+ */
MPTCP_MIB_ECHOADD, /* Received ADD_ADDR with echo-flag=1 */
+ MPTCP_MIB_ECHOADDTX, /* Send ADD_ADDR with echo-flag=1 */
+ MPTCP_MIB_ECHOADDTXDROP, /* ADD_ADDR with echo-flag=1 not send due
+ * to resource exhaustion
+ */
MPTCP_MIB_PORTADD, /* Received ADD_ADDR with a port-number */
MPTCP_MIB_ADDADDRDROP, /* Dropped incoming ADD_ADDR */
MPTCP_MIB_JOINPORTSYNRX, /* Received a SYN MP_JOIN with a different port-number */
@@ -37,6 +59,8 @@ enum linux_mptcp_mib_field {
MPTCP_MIB_MISMATCHPORTACKRX, /* Received an ACK MP_JOIN with a mismatched port-number */
MPTCP_MIB_RMADDR, /* Received RM_ADDR */
MPTCP_MIB_RMADDRDROP, /* Dropped incoming RM_ADDR */
+ MPTCP_MIB_RMADDRTX, /* Sent RM_ADDR */
+ MPTCP_MIB_RMADDRTXDROP, /* RM_ADDR not sent due to resource exhaustion */
MPTCP_MIB_RMSUBFLOW, /* Remove a subflow */
MPTCP_MIB_MPPRIOTX, /* Transmit a MP_PRIO */
MPTCP_MIB_MPPRIORX, /* Received a MP_PRIO */
@@ -46,7 +70,6 @@ enum linux_mptcp_mib_field {
MPTCP_MIB_MPFASTCLOSERX, /* Received a MP_FASTCLOSE */
MPTCP_MIB_MPRSTTX, /* Transmit a MP_RST */
MPTCP_MIB_MPRSTRX, /* Received a MP_RST */
- MPTCP_MIB_RCVPRUNED, /* Incoming packet dropped due to memory limit */
MPTCP_MIB_SUBFLOWSTALE, /* Subflows entered 'stale' status */
MPTCP_MIB_SUBFLOWRECOVER, /* Subflows returned to active status after being stale */
MPTCP_MIB_SNDWNDSHARED, /* Subflow snd wnd is overridden by msk's one */
@@ -55,6 +78,16 @@ enum linux_mptcp_mib_field {
* conflict with another subflow while updating msk rcv wnd
*/
MPTCP_MIB_RCVWNDCONFLICT, /* Conflict with while updating msk rcv wnd */
+ MPTCP_MIB_CURRESTAB, /* Current established MPTCP connections */
+ MPTCP_MIB_BLACKHOLE, /* A blackhole has been detected */
+ MPTCP_MIB_MPCAPABLEDATAFALLBACK, /* Missing DSS/MPC+data on first
+ * established packet
+ */
+ MPTCP_MIB_MD5SIGFALLBACK, /* Conflicting TCP option enabled */
+ MPTCP_MIB_DSSFALLBACK, /* Bad or missing DSS */
+ MPTCP_MIB_SIMULTCONNFALLBACK, /* Simultaneous connect */
+ MPTCP_MIB_FALLBACKFAILED, /* Can't fallback due to msk status */
+ MPTCP_MIB_WINPROBE, /* MPTCP-level zero window probe */
__MPTCP_MIB_MAX
};
@@ -63,6 +96,14 @@ struct mptcp_mib {
unsigned long mibs[LINUX_MIB_MPTCP_MAX];
};
+static inline void MPTCP_ADD_STATS(struct net *net,
+ enum linux_mptcp_mib_field field,
+ int val)
+{
+ if (likely(net->mib.mptcp_statistics))
+ SNMP_ADD_STATS(net->mib.mptcp_statistics, field, val);
+}
+
static inline void MPTCP_INC_STATS(struct net *net,
enum linux_mptcp_mib_field field)
{
@@ -77,4 +118,11 @@ static inline void __MPTCP_INC_STATS(struct net *net,
__SNMP_INC_STATS(net->mib.mptcp_statistics, field);
}
+static inline void MPTCP_DEC_STATS(struct net *net,
+ enum linux_mptcp_mib_field field)
+{
+ if (likely(net->mib.mptcp_statistics))
+ SNMP_DEC_STATS(net->mib.mptcp_statistics, field);
+}
+
bool mptcp_mib_alloc(struct net *net);