+static uint64_t
+sfc_rx_desc_flags_to_offload_flags(const unsigned int desc_flags)
+{
+ uint64_t mbuf_flags = 0;
+
+ switch (desc_flags & (EFX_PKT_IPV4 | EFX_CKSUM_IPV4)) {
+ case (EFX_PKT_IPV4 | EFX_CKSUM_IPV4):
+ mbuf_flags |= PKT_RX_IP_CKSUM_GOOD;
+ break;
+ case EFX_PKT_IPV4:
+ mbuf_flags |= PKT_RX_IP_CKSUM_BAD;
+ break;
+ default:
+ RTE_BUILD_BUG_ON(PKT_RX_IP_CKSUM_UNKNOWN != 0);
+ SFC_ASSERT((mbuf_flags & PKT_RX_IP_CKSUM_MASK) ==
+ PKT_RX_IP_CKSUM_UNKNOWN);
+ break;
+ }
+
+ switch ((desc_flags &
+ (EFX_PKT_TCP | EFX_PKT_UDP | EFX_CKSUM_TCPUDP))) {
+ case (EFX_PKT_TCP | EFX_CKSUM_TCPUDP):
+ case (EFX_PKT_UDP | EFX_CKSUM_TCPUDP):
+ mbuf_flags |= PKT_RX_L4_CKSUM_GOOD;
+ break;
+ case EFX_PKT_TCP:
+ case EFX_PKT_UDP:
+ mbuf_flags |= PKT_RX_L4_CKSUM_BAD;
+ break;
+ default:
+ RTE_BUILD_BUG_ON(PKT_RX_L4_CKSUM_UNKNOWN != 0);
+ SFC_ASSERT((mbuf_flags & PKT_RX_L4_CKSUM_MASK) ==
+ PKT_RX_L4_CKSUM_UNKNOWN);
+ break;
+ }
+
+ return mbuf_flags;
+}
+