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Diffstat (limited to 'app/test-pmd/csumonly.c')
-rw-r--r--app/test-pmd/csumonly.c58
1 files changed, 31 insertions, 27 deletions
diff --git a/app/test-pmd/csumonly.c b/app/test-pmd/csumonly.c
index 5f7dffc..41711fd 100644
--- a/app/test-pmd/csumonly.c
+++ b/app/test-pmd/csumonly.c
@@ -188,11 +188,12 @@ process_inner_cksums(void *l3_hdr, uint16_t ethertype, uint16_t l3_len,
} else {
if (testpmd_ol_flags & TESTPMD_TX_OFFLOAD_IP_CKSUM)
ol_flags |= PKT_TX_IP_CKSUM;
- else
+ else {
ipv4_hdr->hdr_checksum =
rte_ipv4_cksum(ipv4_hdr);
+ ol_flags |= PKT_TX_IPV4;
+ }
}
- ol_flags |= PKT_TX_IPV4;
} else if (ethertype == _htons(ETHER_TYPE_IPv6))
ol_flags |= PKT_TX_IPV6;
else
@@ -261,22 +262,23 @@ process_outer_cksums(void *outer_l3_hdr, uint16_t outer_ethertype,
if (outer_ethertype == _htons(ETHER_TYPE_IPv4)) {
ipv4_hdr->hdr_checksum = 0;
- if ((testpmd_ol_flags & TESTPMD_TX_OFFLOAD_VXLAN_CKSUM) == 0)
+ if (testpmd_ol_flags & TESTPMD_TX_OFFLOAD_VXLAN_CKSUM)
+ ol_flags |= PKT_TX_OUTER_IP_CKSUM;
+ else
ipv4_hdr->hdr_checksum = rte_ipv4_cksum(ipv4_hdr);
- }
+ } else if (testpmd_ol_flags & TESTPMD_TX_OFFLOAD_VXLAN_CKSUM)
+ ol_flags |= PKT_TX_OUTER_IPV6;
udp_hdr = (struct udp_hdr *)((char *)outer_l3_hdr + outer_l3_len);
/* do not recalculate udp cksum if it was 0 */
if (udp_hdr->dgram_cksum != 0) {
udp_hdr->dgram_cksum = 0;
- if ((testpmd_ol_flags & TESTPMD_TX_OFFLOAD_VXLAN_CKSUM) == 0) {
- if (outer_ethertype == _htons(ETHER_TYPE_IPv4))
- udp_hdr->dgram_cksum =
- rte_ipv4_udptcp_cksum(ipv4_hdr, udp_hdr);
- else
- udp_hdr->dgram_cksum =
- rte_ipv6_udptcp_cksum(ipv6_hdr, udp_hdr);
- }
+ if (outer_ethertype == _htons(ETHER_TYPE_IPv4))
+ udp_hdr->dgram_cksum =
+ rte_ipv4_udptcp_cksum(ipv4_hdr, udp_hdr);
+ else
+ udp_hdr->dgram_cksum =
+ rte_ipv6_udptcp_cksum(ipv6_hdr, udp_hdr);
}
return ol_flags;
@@ -302,8 +304,7 @@ process_outer_cksums(void *outer_l3_hdr, uint16_t outer_ethertype,
* TESTPMD_TX_OFFLOAD_* in ports[tx_port].tx_ol_flags. They control
* wether a checksum must be calculated in software or in hardware. The
* IP, UDP, TCP and SCTP flags always concern the inner layer. The
- * VxLAN flag concerns the outer IP and UDP layer (if packet is
- * recognized as a vxlan packet).
+ * VxLAN flag concerns the outer IP (if packet is recognized as a vxlan packet).
*/
static void
pkt_burst_checksum_forward(struct fwd_stream *fs)
@@ -319,7 +320,7 @@ pkt_burst_checksum_forward(struct fwd_stream *fs)
uint16_t i;
uint64_t ol_flags;
uint16_t testpmd_ol_flags;
- uint8_t l4_proto;
+ uint8_t l4_proto, l4_tun_len = 0;
uint16_t ethertype = 0, outer_ethertype = 0;
uint16_t l2_len = 0, l3_len = 0, l4_len = 0;
uint16_t outer_l2_len = 0, outer_l3_len = 0;
@@ -359,6 +360,7 @@ pkt_burst_checksum_forward(struct fwd_stream *fs)
ol_flags = 0;
tunnel = 0;
+ l4_tun_len = 0;
m = pkts_burst[i];
/* Update the L3/L4 checksum error packet statistics */
@@ -377,14 +379,16 @@ pkt_burst_checksum_forward(struct fwd_stream *fs)
if (l4_proto == IPPROTO_UDP) {
udp_hdr = (struct udp_hdr *)((char *)l3_hdr + l3_len);
+ /* check udp destination port, 4789 is the default
+ * vxlan port (rfc7348) */
+ if (udp_hdr->dst_port == _htons(4789)) {
+ l4_tun_len = ETHER_VXLAN_HLEN;
+ tunnel = 1;
+
/* currently, this flag is set by i40e only if the
* packet is vxlan */
- if (((m->ol_flags & PKT_RX_TUNNEL_IPV4_HDR) ||
- (m->ol_flags & PKT_RX_TUNNEL_IPV6_HDR)))
- tunnel = 1;
- /* else check udp destination port, 4789 is the default
- * vxlan port (rfc7348) */
- else if (udp_hdr->dst_port == _htons(4789))
+ } else if (m->ol_flags & (PKT_RX_TUNNEL_IPV4_HDR |
+ PKT_RX_TUNNEL_IPV6_HDR))
tunnel = 1;
if (tunnel == 1) {
@@ -431,10 +435,10 @@ pkt_burst_checksum_forward(struct fwd_stream *fs)
if (tunnel == 1) {
if (testpmd_ol_flags & TESTPMD_TX_OFFLOAD_VXLAN_CKSUM) {
- m->l2_len = outer_l2_len;
- m->l3_len = outer_l3_len;
- m->inner_l2_len = l2_len;
- m->inner_l3_len = l3_len;
+ m->outer_l2_len = outer_l2_len;
+ m->outer_l3_len = outer_l3_len;
+ m->l2_len = l4_tun_len + l2_len;
+ m->l3_len = l3_len;
}
else {
/* if we don't do vxlan cksum in hw,
@@ -502,8 +506,8 @@ pkt_burst_checksum_forward(struct fwd_stream *fs)
m->l2_len, m->l3_len, m->l4_len);
if ((tunnel == 1) &&
(testpmd_ol_flags & TESTPMD_TX_OFFLOAD_VXLAN_CKSUM))
- printf("tx: m->inner_l2_len=%d m->inner_l3_len=%d\n",
- m->inner_l2_len, m->inner_l3_len);
+ printf("tx: m->outer_l2_len=%d m->outer_l3_len=%d\n",
+ m->outer_l2_len, m->outer_l3_len);
if (tso_segsz != 0)
printf("tx: m->tso_segsz=%d\n", m->tso_segsz);
printf("tx: flags=");