diff mbox series

[04/16] net/ice/base: add ethertype check for dummy packet

Message ID 20200330114538.43275-5-qi.z.zhang@intel.com (mailing list archive)
State Accepted, archived
Delegated to: xiaolong ye
Headers
Series ice share code update |

Checks

Context Check Description
ci/checkpatch success coding style OK
ci/Intel-compilation success Compilation OK

Commit Message

Qi Zhang March 30, 2020, 11:45 a.m. UTC 
  In order to support switch rule for ethertype filter
with ipv6 ethertype id, it has to check ethertype
then find a proper dummy packet.

Signed-off-by: wei zhao <wei.zhao1@intel.com>
Signed-off-by: Paul M Stillwell Jr <paul.m.stillwell.jr@intel.com>
Signed-off-by: Qi Zhang <qi.z.zhang@intel.com>
---
 drivers/net/ice/base/ice_switch.c | 7 +++++++
 1 file changed, 7 insertions(+)
diff mbox series

Patch

diff --git a/drivers/net/ice/base/ice_switch.c b/drivers/net/ice/base/ice_switch.c
index 3d83ded6e..9c4fc0f0b 100644
--- a/drivers/net/ice/base/ice_switch.c
+++ b/drivers/net/ice/base/ice_switch.c
@@ -12,6 +12,7 @@ 
 #define ICE_MAX_VLAN_ID			0xFFF
 #define ICE_IPV4_NVGRE_PROTO_ID		0x002F
 #define ICE_PPP_IPV6_PROTO_ID		0x0057
+#define ICE_IPV6_ETHER_ID		0x86DD
 
 /* Dummy ethernet header needed in the ice_aqc_sw_rules_elem
  * struct to configure any switch filter rules.
@@ -5962,6 +5963,12 @@  ice_find_dummy_packet(struct ice_adv_lkup_elem *lkups, u16 lkups_cnt,
 			 lkups[i].m_u.pppoe_hdr.ppp_prot_id ==
 				0xFFFF)
 			ipv6 = true;
+		else if (lkups[i].type == ICE_ETYPE_OL &&
+			 lkups[i].h_u.ethertype.ethtype_id ==
+				CPU_TO_BE16(ICE_IPV6_ETHER_ID) &&
+			 lkups[i].m_u.ethertype.ethtype_id ==
+					0xFFFF)
+			ipv6 = true;
 	}
 
 	if (tun_type == ICE_SW_TUN_GTP) {