From f5ce6d7792e0b09cf67e100b0d03226b688e6ea0 Mon Sep 17 00:00:00 2001 From: Pablo Neira Ayuso Date: Tue, 28 Apr 2020 01:21:30 +0200 Subject: src: add IPS_HW_OFFLOAD flag This flags specifies that this conntrack entry is in hardware. Signed-off-by: Pablo Neira Ayuso --- .../libnetfilter_conntrack/linux_nf_conntrack_common.h | 18 ++++++++++++++++-- src/conntrack/snprintf_default.c | 4 +++- 2 files changed, 19 insertions(+), 3 deletions(-) diff --git a/include/libnetfilter_conntrack/linux_nf_conntrack_common.h b/include/libnetfilter_conntrack/linux_nf_conntrack_common.h index 32efa35..131ca25 100644 --- a/include/libnetfilter_conntrack/linux_nf_conntrack_common.h +++ b/include/libnetfilter_conntrack/linux_nf_conntrack_common.h @@ -102,6 +102,15 @@ enum ip_conntrack_status { IPS_UNTRACKED_BIT = 12, IPS_UNTRACKED = (1 << IPS_UNTRACKED_BIT), +#ifdef __KERNEL__ + /* Re-purposed for in-kernel use: + * Tags a conntrack entry that clashed with an existing entry + * on insert. + */ + IPS_NAT_CLASH_BIT = IPS_UNTRACKED_BIT, + IPS_NAT_CLASH = IPS_UNTRACKED, +#endif + /* Conntrack got a helper explicitly attached via CT target. */ IPS_HELPER_BIT = 13, IPS_HELPER = (1 << IPS_HELPER_BIT), @@ -110,14 +119,19 @@ enum ip_conntrack_status { IPS_OFFLOAD_BIT = 14, IPS_OFFLOAD = (1 << IPS_OFFLOAD_BIT), + /* Conntrack has been offloaded to hardware. */ + IPS_HW_OFFLOAD_BIT = 15, + IPS_HW_OFFLOAD = (1 << IPS_HW_OFFLOAD_BIT), + /* Be careful here, modifying these bits can make things messy, * so don't let users modify them directly. */ IPS_UNCHANGEABLE_MASK = (IPS_NAT_DONE_MASK | IPS_NAT_MASK | IPS_EXPECTED | IPS_CONFIRMED | IPS_DYING | - IPS_SEQ_ADJUST | IPS_TEMPLATE | IPS_OFFLOAD), + IPS_SEQ_ADJUST | IPS_TEMPLATE | IPS_UNTRACKED | + IPS_OFFLOAD | IPS_HW_OFFLOAD), - __IPS_MAX_BIT = 15, + __IPS_MAX_BIT = 16, }; /* Connection tracking event types */ diff --git a/src/conntrack/snprintf_default.c b/src/conntrack/snprintf_default.c index 765ce72..2f2f918 100644 --- a/src/conntrack/snprintf_default.c +++ b/src/conntrack/snprintf_default.c @@ -184,7 +184,9 @@ static int __snprintf_status_assured(char *buf, { int size = 0; - if (ct->status & IPS_OFFLOAD) + if (ct->status & IPS_HW_OFFLOAD) + size = snprintf(buf, len, "[HW_OFFLOAD] "); + else if (ct->status & IPS_OFFLOAD) size = snprintf(buf, len, "[OFFLOAD] "); else if (ct->status & IPS_ASSURED) size = snprintf(buf, len, "[ASSURED] "); -- cgit v1.2.3