diff options
| -rw-r--r-- | include/uapi/linux/snmp.h | 1 | ||||
| -rw-r--r-- | net/core/filter.c | 5 | ||||
| -rw-r--r-- | net/ipv4/proc.c | 1 |
3 files changed, 5 insertions, 2 deletions
diff --git a/include/uapi/linux/snmp.h b/include/uapi/linux/snmp.h index e7a31f8..3b2bed7 100644 --- a/include/uapi/linux/snmp.h +++ b/include/uapi/linux/snmp.h @@ -240,6 +240,7 @@ enum LINUX_MIB_SACKMERGED, LINUX_MIB_SACKSHIFTFALLBACK, LINUX_MIB_TCPBACKLOGDROP, + LINUX_MIB_PFMEMALLOCDROP, LINUX_MIB_TCPMINTTLDROP, /* RFC 5082 */ LINUX_MIB_TCPDEFERACCEPTDROP, LINUX_MIB_IPRPFILTER, /* IP Reverse Path Filter (rp_filter) */ diff --git a/net/core/filter.c b/net/core/filter.c index 1e00737..0b753cb 100644 --- a/net/core/filter.c +++ b/net/core/filter.c @@ -76,9 +76,10 @@ int sk_filter_trim_cap(struct sock *sk, struct sk_buff *skb, unsigned int cap) * allow SOCK_MEMALLOC sockets to use it as this socket is * helping free memory */ - if (skb_pfmemalloc(skb) && !sock_flag(sk, SOCK_MEMALLOC)) + if (skb_pfmemalloc(skb) && !sock_flag(sk, SOCK_MEMALLOC)) { + NET_INC_STATS(sock_net(sk), LINUX_MIB_PFMEMALLOCDROP); return -ENOMEM; - + } err = BPF_CGROUP_RUN_PROG_INET_INGRESS(sk, skb); if (err) return err; diff --git a/net/ipv4/proc.c b/net/ipv4/proc.c index a9deeb9..69cf49e 100644 --- a/net/ipv4/proc.c +++ b/net/ipv4/proc.c @@ -262,6 +262,7 @@ static const struct snmp_mib snmp4_net_list[] = { SNMP_MIB_ITEM("TCPSackMerged", LINUX_MIB_SACKMERGED), SNMP_MIB_ITEM("TCPSackShiftFallback", LINUX_MIB_SACKSHIFTFALLBACK), SNMP_MIB_ITEM("TCPBacklogDrop", LINUX_MIB_TCPBACKLOGDROP), + SNMP_MIB_ITEM("PFMemallocDrop", LINUX_MIB_PFMEMALLOCDROP), SNMP_MIB_ITEM("TCPMinTTLDrop", LINUX_MIB_TCPMINTTLDROP), SNMP_MIB_ITEM("TCPDeferAcceptDrop", LINUX_MIB_TCPDEFERACCEPTDROP), SNMP_MIB_ITEM("IPReversePathFilter", LINUX_MIB_IPRPFILTER), |
