net: introduce functions to verify L4 checksums

[dpdk.git] / drivers / net / tap / rte_eth_tap.c

diff --git a/drivers/net/tap/rte_eth_tap.c b/drivers/net/tap/rte_eth_tap.c
index c36d4bf..843dbc5 100644 (file)
--- a/drivers/net/tap/rte_eth_tap.c
+++ b/drivers/net/tap/rte_eth_tap.c
@@ -346,11 +346,13 @@ tap_verify_csum(struct rte_mbuf *mbuf)
                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) {
@@ -363,13 +365,12 @@ tap_verify_csum(struct rte_mbuf *mbuf)
                                        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;
        }
 }
 
@@ -1890,7 +1891,7 @@ static const struct eth_dev_ops ops = {
        .stats_reset            = tap_stats_reset,
        .dev_supported_ptypes_get = tap_dev_supported_ptypes_get,
        .rss_hash_update        = tap_rss_hash_update,
-       .filter_ctrl            = tap_dev_filter_ctrl,
+       .flow_ops_get           = tap_dev_flow_ops_get,
 };
 
 static int