#define TAP_IOV_DEFAULT_MAX 1024
+#define TAP_RX_OFFLOAD (DEV_RX_OFFLOAD_SCATTER | \
+ DEV_RX_OFFLOAD_IPV4_CKSUM | \
+ DEV_RX_OFFLOAD_UDP_CKSUM | \
+ DEV_RX_OFFLOAD_TCP_CKSUM)
+
+#define TAP_TX_OFFLOAD (DEV_TX_OFFLOAD_MULTI_SEGS | \
+ DEV_TX_OFFLOAD_IPV4_CKSUM | \
+ DEV_TX_OFFLOAD_UDP_CKSUM | \
+ DEV_TX_OFFLOAD_TCP_CKSUM | \
+ DEV_TX_OFFLOAD_TCP_TSO)
+
static int tap_devices_count;
static const char *tuntap_types[ETH_TUNTAP_TYPE_MAX] = {
rte_pktmbuf_data_len(mbuf))
return;
} else {
- /* IPv6 extensions are not supported */
+ /* - RTE_PTYPE_L3_IPV4_EXT_UNKNOWN cannot happen because
+ * mbuf->packet_type is filled by rte_net_get_ptype() which
+ * never returns this value.
+ * - IPv6 extensions are not supported.
+ */
return;
}
if (l4 == RTE_PTYPE_L4_UDP || l4 == RTE_PTYPE_L4_TCP) {
+ int cksum_ok;
+
l4_hdr = rte_pktmbuf_mtod_offset(mbuf, void *, l2_len + l3_len);
/* Don't verify checksum for multi-segment packets. */
if (mbuf->nb_segs > 1)
return;
- if (l3 == RTE_PTYPE_L3_IPV4) {
+ if (l3 == RTE_PTYPE_L3_IPV4 || l3 == RTE_PTYPE_L3_IPV4_EXT) {
if (l4 == RTE_PTYPE_L4_UDP) {
udp_hdr = (struct rte_udp_hdr *)l4_hdr;
if (udp_hdr->dgram_cksum == 0) {
return;
}
}
- cksum = ~rte_ipv4_udptcp_cksum(l3_hdr, l4_hdr);
- } else if (l3 == RTE_PTYPE_L3_IPV6) {
- cksum = ~rte_ipv6_udptcp_cksum(l3_hdr, l4_hdr);
+ cksum_ok = !rte_ipv4_udptcp_cksum_verify(l3_hdr,
+ l4_hdr);
+ } else { /* l3 == RTE_PTYPE_L3_IPV6, checked above */
+ cksum_ok = !rte_ipv6_udptcp_cksum_verify(l3_hdr,
+ l4_hdr);
}
- mbuf->ol_flags |= cksum ?
- PKT_RX_L4_CKSUM_BAD :
- PKT_RX_L4_CKSUM_GOOD;
+ mbuf->ol_flags |= cksum_ok ?
+ PKT_RX_L4_CKSUM_GOOD : PKT_RX_L4_CKSUM_BAD;
}
}
-static uint64_t
-tap_rx_offload_get_port_capa(void)
-{
- /*
- * No specific port Rx offload capabilities.
- */
- return 0;
-}
-
-static uint64_t
-tap_rx_offload_get_queue_capa(void)
-{
- return DEV_RX_OFFLOAD_SCATTER |
- DEV_RX_OFFLOAD_IPV4_CKSUM |
- DEV_RX_OFFLOAD_UDP_CKSUM |
- DEV_RX_OFFLOAD_TCP_CKSUM;
-}
-
static void
tap_rxq_pool_free(struct rte_mbuf *pool)
{
return num_rx;
}
-static uint64_t
-tap_tx_offload_get_port_capa(void)
-{
- /*
- * No specific port Tx offload capabilities.
- */
- return 0;
-}
-
-static uint64_t
-tap_tx_offload_get_queue_capa(void)
-{
- return DEV_TX_OFFLOAD_MULTI_SEGS |
- DEV_TX_OFFLOAD_IPV4_CKSUM |
- DEV_TX_OFFLOAD_UDP_CKSUM |
- DEV_TX_OFFLOAD_TCP_CKSUM |
- DEV_TX_OFFLOAD_TCP_TSO;
-}
-
/* Finalize l4 checksum calculation */
static void
tap_tx_l4_cksum(uint16_t *l4_cksum, uint16_t l4_phdr_cksum,
dev_info->max_tx_queues = RTE_PMD_TAP_MAX_QUEUES;
dev_info->min_rx_bufsize = 0;
dev_info->speed_capa = tap_dev_speed_capa();
- dev_info->rx_queue_offload_capa = tap_rx_offload_get_queue_capa();
- dev_info->rx_offload_capa = tap_rx_offload_get_port_capa() |
- dev_info->rx_queue_offload_capa;
- dev_info->tx_queue_offload_capa = tap_tx_offload_get_queue_capa();
- dev_info->tx_offload_capa = tap_tx_offload_get_port_capa() |
- dev_info->tx_queue_offload_capa;
+ dev_info->rx_queue_offload_capa = TAP_RX_OFFLOAD;
+ dev_info->rx_offload_capa = dev_info->rx_queue_offload_capa;
+ dev_info->tx_queue_offload_capa = TAP_TX_OFFLOAD;
+ dev_info->tx_offload_capa = dev_info->tx_queue_offload_capa;
dev_info->hash_key_size = TAP_RSS_HASH_KEY_SIZE;
/*
* limitation: TAP supports all of IP, UDP and TCP hash
ETH_TAP_IFACE_ARG "=<string> "
ETH_TAP_MAC_ARG "=" ETH_TAP_MAC_ARG_FMT " "
ETH_TAP_REMOTE_ARG "=<string>");
-RTE_LOG_REGISTER(tap_logtype, pmd.net.tap, NOTICE);
+RTE_LOG_REGISTER_DEFAULT(tap_logtype, NOTICE);