net/ice/base: support switch for IPv6 TC field

[dpdk.git] / drivers / net / ice / base / ice_switch.c

diff --git a/drivers/net/ice/base/ice_switch.c b/drivers/net/ice/base/ice_switch.c
index 10dfc72..80afa74 100644 (file)
--- a/drivers/net/ice/base/ice_switch.c
+++ b/drivers/net/ice/base/ice_switch.c
@@ -5785,6 +5785,19 @@ ice_fill_adv_dummy_packet(struct ice_adv_lkup_elem *lkups, u16 lkups_cnt,
                        break;
                case ICE_IPV6_OFOS:
                case ICE_IPV6_IL:
+                       /* Based on the same mechanism below, if tc (Traffic
+                        * Class) for IPv6 has mask, it means tc field is set.
+                        * Since tc is only one byte, we have to handle the
+                        * big/little endian issue before it can be inserted.
+                        */
+                       if (lkups[i].m_u.ipv6_hdr.tc) {
+                               ((u16 *)&lkups[i].h_u)[0] =
+                                       (((u16 *)&lkups[i].h_u)[0] << 8) |
+                                       (((u16 *)&lkups[i].h_u)[0] >> 8);
+                               ((u16 *)&lkups[i].m_u)[0] =
+                                       (((u16 *)&lkups[i].m_u)[0] << 8) |
+                                       (((u16 *)&lkups[i].m_u)[0] >> 8);
+                       }
                        len = sizeof(struct ice_ipv6_hdr);
                        break;
                case ICE_TCP_IL: