diff mbox series

[08/10] net/ice/base: choose TCP dummy packet by protocol

Message ID 20200611084330.18301-9-qi.z.zhang@intel.com (mailing list archive)
State Accepted, archived
Delegated to: xiaolong ye
Headers show
Series net/ice: base code update for 20.08 batch 2 | expand

Checks

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

Commit Message

Zhang, Qi Z June 11, 2020, 8:43 a.m. UTC
In order to find proper dummy packets for switch filter,
it need to check ipv4 next protocol number, if it is 0x06,
which means next payload is TCP, we need to use TCP
format 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 06d8f9c55..ee0813b52 100644
--- a/drivers/net/ice/base/ice_switch.c
+++ b/drivers/net/ice/base/ice_switch.c
@@ -13,6 +13,7 @@ 
 #define ICE_IPV4_NVGRE_PROTO_ID		0x002F
 #define ICE_PPP_IPV6_PROTO_ID		0x0057
 #define ICE_IPV6_ETHER_ID		0x86DD
+#define ICE_TCP_PROTO_ID		0x06
 
 /* Dummy ethernet header needed in the ice_aqc_sw_rules_elem
  * struct to configure any switch filter rules.
@@ -6836,6 +6837,12 @@  ice_find_dummy_packet(struct ice_adv_lkup_elem *lkups, u16 lkups_cnt,
 			 lkups[i].m_u.ethertype.ethtype_id ==
 					0xFFFF)
 			ipv6 = true;
+		else if (lkups[i].type == ICE_IPV4_IL &&
+			 lkups[i].h_u.ipv4_hdr.protocol ==
+				ICE_TCP_PROTO_ID &&
+			 lkups[i].m_u.ipv4_hdr.protocol ==
+				0xFF)
+			tcp = true;
 	}
 
 	if (tun_type == ICE_SW_TUN_IPV4_ESP) {