net/ice/base: choose TCP dummy packet by protocol

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>
Acked-by: Qiming Yang <qiming.yang@intel.com>

diff --git a/drivers/net/ice/base/ice_switch.c b/drivers/net/ice/base/ice_switch.c
index a3fda0f..0e22058 100644 (file)
--- 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) {