---
name: "probe::tcpmib.PassiveOpens"
section: "3stap"
platform: "linux"
package: "systemtap-doc"
version: "5.1-5"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/probe::tcpmib.PassiveOpens"
---

# probe::tcpmib.PassiveOpens(3stap)

Count the passive creation of a socket

## NAME

probe::tcpmib.PassiveOpens - Count the passive creation of a socket

## SYNOPSIS

```
tcpmib.PassiveOpens
```

## VALUES

*sk*

pointer to the struct sock being acted on

*op*

value to be added to the counter (default value of 1)

## DESCRIPTION

The packet pointed to by *skb* is filtered by the function **tcpmib\_filter\_key**. If the packet passes the filter is is counted in the global *PassiveOpens* (equivalent to SNMP's MIB TCP\_MIB\_PASSIVEOPENS)

## SEE ALSO0

[*tapset::tcpmib*(3stap)](/tapset::tcpmib/3stap.md)