diff options
| author | Vadim Kochan <vadim4j@gmail.com> | 2016-08-13 02:11:19 +0300 |
|---|---|---|
| committer | Tobias Klauser <tklauser@distanz.ch> | 2016-09-21 09:57:35 +0200 |
| commit | 34e4f0deb66f823092fb4fa251e885503e96273f (patch) | |
| tree | f9df73cd4bdcaedc378fceae1c7aa88d92161cf1 /trafgen_l3.c | |
| parent | 553a9c65beeb77072f08e4d8cd876b062dcdb193 (diff) | |
trafgen: tcp: Update csum at runtime if it needed
Update TCP checksum field if any TCP of fields was changed. Use same
checksum update function on 'packet_finish' and 'header update'.
Set 'is_csum_valid = false' if lower IPv4/IPv6 pseudo header was changed.
Signed-off-by: Vadim Kochan <vadim4j@gmail.com>
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Diffstat (limited to 'trafgen_l3.c')
| -rw-r--r-- | trafgen_l3.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/trafgen_l3.c b/trafgen_l3.c index 91052a0..e6aa516 100644 --- a/trafgen_l3.c +++ b/trafgen_l3.c @@ -50,7 +50,7 @@ static void ipv4_field_changed(struct proto_field *field) if (field->id == IP4_SADDR || field->id == IP4_DADDR) { struct proto_hdr *upper = proto_upper_header(field->hdr); - if (upper && upper->ops->id == PROTO_UDP) + if (upper && (upper->ops->id == PROTO_UDP || upper->ops->id == PROTO_TCP)) upper->is_csum_valid = false; } } @@ -148,7 +148,7 @@ static void ipv6_field_changed(struct proto_field *field) if (field->id == IP6_SADDR || field->id == IP6_DADDR) { struct proto_hdr *upper = proto_upper_header(field->hdr); - if (upper && upper->ops->id == PROTO_UDP) + if (upper && (upper->ops->id == PROTO_UDP || upper->ops->id == PROTO_TCP)) upper->is_csum_valid = false; } } |