- switch (EFX_QWORD_FIELD(rx_ev, ESF_DZ_RX_L3_CLASS)) {
- case ESE_DZ_L3_CLASS_IP4_FRAG:
- l4_ptype = (tun_ptype == 0) ? RTE_PTYPE_L4_FRAG :
- RTE_PTYPE_INNER_L4_FRAG;
- /* FALLTHROUGH */
- case ESE_DZ_L3_CLASS_IP4:
- l3_ptype = (tun_ptype == 0) ? RTE_PTYPE_L3_IPV4_EXT_UNKNOWN :
- RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN;
- ol_flags |= PKT_RX_RSS_HASH |
- ((EFX_TEST_QWORD_BIT(rx_ev, ip_csum_err_bit)) ?
- PKT_RX_IP_CKSUM_BAD : PKT_RX_IP_CKSUM_GOOD);
- break;
- case ESE_DZ_L3_CLASS_IP6_FRAG:
- l4_ptype = (tun_ptype == 0) ? RTE_PTYPE_L4_FRAG :
- RTE_PTYPE_INNER_L4_FRAG;
- /* FALLTHROUGH */
- case ESE_DZ_L3_CLASS_IP6:
- l3_ptype = (tun_ptype == 0) ? RTE_PTYPE_L3_IPV6_EXT_UNKNOWN :
- RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN;
- ol_flags |= PKT_RX_RSS_HASH;
- break;
- case ESE_DZ_L3_CLASS_ARP:
- /* Override Layer 2 packet type */
- /* There is no ARP classification for inner packets */
- if (tun_ptype == 0)
- l2_ptype = RTE_PTYPE_L2_ETHER_ARP;
- break;
- default:
- /* Unexpected Layer 3 class */
- SFC_ASSERT(false);
- }
-
- /*
- * RX_L4_CLASS is 3 bits wide on Huntington and Medford, but is only
- * 2 bits wide on Medford2. Check it is safe to use the Medford2 field
- * and values for all EF10 controllers.
- */
- RTE_BUILD_BUG_ON(ESF_FZ_RX_L4_CLASS_LBN != ESF_DE_RX_L4_CLASS_LBN);
- switch (EFX_QWORD_FIELD(rx_ev, ESF_FZ_RX_L4_CLASS)) {
- case ESE_FZ_L4_CLASS_TCP:
- RTE_BUILD_BUG_ON(ESE_FZ_L4_CLASS_TCP != ESE_DE_L4_CLASS_TCP);
- l4_ptype = (tun_ptype == 0) ? RTE_PTYPE_L4_TCP :
- RTE_PTYPE_INNER_L4_TCP;
- ol_flags |=
- (EFX_TEST_QWORD_BIT(rx_ev, l4_csum_err_bit)) ?
- PKT_RX_L4_CKSUM_BAD : PKT_RX_L4_CKSUM_GOOD;
- break;
- case ESE_FZ_L4_CLASS_UDP:
- RTE_BUILD_BUG_ON(ESE_FZ_L4_CLASS_UDP != ESE_DE_L4_CLASS_UDP);
- l4_ptype = (tun_ptype == 0) ? RTE_PTYPE_L4_UDP :
- RTE_PTYPE_INNER_L4_UDP;
- ol_flags |=
- (EFX_TEST_QWORD_BIT(rx_ev, l4_csum_err_bit)) ?
- PKT_RX_L4_CKSUM_BAD : PKT_RX_L4_CKSUM_GOOD;
- break;
- case ESE_FZ_L4_CLASS_UNKNOWN:
- RTE_BUILD_BUG_ON(ESE_FZ_L4_CLASS_UNKNOWN !=
- ESE_DE_L4_CLASS_UNKNOWN);
- break;
- default:
- /* Unexpected Layer 4 class */
- SFC_ASSERT(false);
- }
-
- /* Remove RSS hash offload flag if RSS is not enabled */
- if (~rxq->flags & SFC_EF10_RXQ_RSS_HASH)
- ol_flags &= ~PKT_RX_RSS_HASH;
-
-done:
- m->ol_flags = ol_flags;
- m->packet_type = tun_ptype | l2_ptype | l3_ptype | l4_ptype;