These actions map to MAE action DECR_IP_TTL. It affects
the outermost header in the current processing state of
the packet, which might have been decapsulated by prior
action DECAP. It also updates IPv4 checksum accordingly.
Signed-off-by: Ivan Malov <ivan.ma...@oktetlabs.ru>
Reviewed-by: Andrew Rybchenko <andrew.rybche...@oktetlabs.ru>
Reviewed-by: Andy Moreton <amore...@xilinx.com>
---
doc/guides/nics/features/sfc.ini | 2 ++
doc/guides/nics/sfc_efx.rst | 4 ++++
drivers/net/sfc/sfc_mae.c | 8 ++++++++
3 files changed, 14 insertions(+)
diff --git a/doc/guides/nics/features/sfc.ini b/doc/guides/nics/features/sfc.ini
index 0d785f4765..1ce2dc46ba 100644
--- a/doc/guides/nics/features/sfc.ini
+++ b/doc/guides/nics/features/sfc.ini
@@ -62,10 +62,12 @@ vxlan = Y
[rte_flow actions]
count = Y
+dec_ttl = Y
drop = Y
flag = Y
jump = P
mark = Y
+of_dec_nw_ttl = Y
of_pop_vlan = Y
of_push_vlan = Y
of_set_vlan_pcp = Y
diff --git a/doc/guides/nics/sfc_efx.rst b/doc/guides/nics/sfc_efx.rst
index 960e25bf98..00b95a4f58 100644
--- a/doc/guides/nics/sfc_efx.rst
+++ b/doc/guides/nics/sfc_efx.rst
@@ -234,6 +234,10 @@ Supported actions (***transfer*** rules):
- OF_VLAN_SET_PCP
+- OF_DEC_NW_TTL
+
+- DEC_TTL
+
- VXLAN_DECAP
- VXLAN_ENCAP
diff --git a/drivers/net/sfc/sfc_mae.c b/drivers/net/sfc/sfc_mae.c
index 411f2ac27e..93cce60a3e 100644
--- a/drivers/net/sfc/sfc_mae.c
+++ b/drivers/net/sfc/sfc_mae.c
@@ -3587,6 +3587,14 @@ sfc_mae_rule_parse_action(struct sfc_adapter *sa,
bundle->actions_mask);
rc = efx_mae_action_set_populate_vlan_pop(spec);
break;
+ case RTE_FLOW_ACTION_TYPE_OF_DEC_NW_TTL:
+ case RTE_FLOW_ACTION_TYPE_DEC_TTL:
+ SFC_BUILD_SET_OVERFLOW(RTE_FLOW_ACTION_TYPE_OF_DEC_NW_TTL,
+ bundle->actions_mask);
+ SFC_BUILD_SET_OVERFLOW(RTE_FLOW_ACTION_TYPE_DEC_TTL,
+ bundle->actions_mask);
+ rc = efx_mae_action_set_populate_decr_ip_ttl(spec);
+ break;
case RTE_FLOW_ACTION_TYPE_OF_PUSH_VLAN:
SFC_BUILD_SET_OVERFLOW(RTE_FLOW_ACTION_TYPE_OF_PUSH_VLAN,
bundle->actions_mask);
--
2.30.2
