uint16_t tx_udp_dst_port = 9;
/* use RFC5735 / RFC2544 reserved network test addresses */
-uint32_t tx_ip_src_addr = (192U << 24) | (18 << 16) | (0 << 8) | 1;
-uint32_t tx_ip_dst_addr = (192U << 24) | (18 << 16) | (0 << 8) | 2;
+uint32_t tx_ip_src_addr = (198U << 24) | (18 << 16) | (0 << 8) | 1;
+uint32_t tx_ip_dst_addr = (198U << 24) | (18 << 16) | (0 << 8) | 2;
#define IP_DEFTTL 64 /* from RFC 1340. */
static struct rte_ipv4_hdr pkt_ip_hdr; /**< IP header of transmitted packets. */
RTE_DEFINE_PER_LCORE(uint8_t, _ip_var); /**< IP address variation */
static struct rte_udp_hdr pkt_udp_hdr; /**< UDP header of tx packets. */
+RTE_DEFINE_PER_LCORE(uint64_t, timestamp_qskew);
+ /**< Timestamp offset per queue */
+RTE_DEFINE_PER_LCORE(uint32_t, timestamp_idone); /**< Timestamp init done. */
+
+static uint64_t timestamp_mask; /**< Timestamp dynamic flag mask */
+static int32_t timestamp_off; /**< Timestamp dynamic field offset */
+static bool timestamp_enable; /**< Timestamp enable */
+static uint32_t timestamp_init_req; /**< Timestamp initialization request. */
+static uint64_t timestamp_initial[RTE_MAX_ETHPORTS];
static void
copy_buf_to_pkt_segs(void* buf, unsigned len, struct rte_mbuf *pkt,
static inline bool
pkt_burst_prepare(struct rte_mbuf *pkt, struct rte_mempool *mbp,
struct rte_ether_hdr *eth_hdr, const uint16_t vlan_tci,
- const uint16_t vlan_tci_outer, const uint64_t ol_flags)
+ const uint16_t vlan_tci_outer, const uint64_t ol_flags,
+ const uint16_t idx, const struct fwd_stream *fs)
{
struct rte_mbuf *pkt_segs[RTE_MAX_SEGS_PER_PKT];
- uint8_t ip_var = RTE_PER_LCORE(_ip_var);
struct rte_mbuf *pkt_seg;
uint32_t nb_segs, pkt_len;
uint8_t i;
copy_buf_to_pkt(&pkt_ip_hdr, sizeof(pkt_ip_hdr), pkt,
sizeof(struct rte_ether_hdr));
if (txonly_multi_flow) {
+ uint8_t ip_var = RTE_PER_LCORE(_ip_var);
struct rte_ipv4_hdr *ip_hdr;
uint32_t addr;
*/
addr = (tx_ip_dst_addr | (ip_var++ << 8)) + rte_lcore_id();
ip_hdr->src_addr = rte_cpu_to_be_32(addr);
+ RTE_PER_LCORE(_ip_var) = ip_var;
}
copy_buf_to_pkt(&pkt_udp_hdr, sizeof(pkt_udp_hdr), pkt,
sizeof(struct rte_ether_hdr) +
sizeof(struct rte_ipv4_hdr));
+ if (unlikely(timestamp_enable)) {
+ uint64_t skew = RTE_PER_LCORE(timestamp_qskew);
+ struct {
+ rte_be32_t signature;
+ rte_be16_t pkt_idx;
+ rte_be16_t queue_idx;
+ rte_be64_t ts;
+ } timestamp_mark;
+
+ if (unlikely(timestamp_init_req !=
+ RTE_PER_LCORE(timestamp_idone))) {
+ struct rte_eth_dev *dev = &rte_eth_devices[fs->tx_port];
+ unsigned int txqs_n = dev->data->nb_tx_queues;
+ uint64_t phase = tx_pkt_times_inter * fs->tx_queue /
+ (txqs_n ? txqs_n : 1);
+ /*
+ * Initialize the scheduling time phase shift
+ * depending on queue index.
+ */
+ skew = timestamp_initial[fs->tx_port] +
+ tx_pkt_times_inter + phase;
+ RTE_PER_LCORE(timestamp_qskew) = skew;
+ RTE_PER_LCORE(timestamp_idone) = timestamp_init_req;
+ }
+ timestamp_mark.pkt_idx = rte_cpu_to_be_16(idx);
+ timestamp_mark.queue_idx = rte_cpu_to_be_16(fs->tx_queue);
+ timestamp_mark.signature = rte_cpu_to_be_32(0xBEEFC0DE);
+ if (unlikely(!idx)) {
+ skew += tx_pkt_times_inter;
+ pkt->ol_flags |= timestamp_mask;
+ *RTE_MBUF_DYNFIELD
+ (pkt, timestamp_off, uint64_t *) = skew;
+ RTE_PER_LCORE(timestamp_qskew) = skew;
+ timestamp_mark.ts = rte_cpu_to_be_64(skew);
+ } else if (tx_pkt_times_intra) {
+ skew += tx_pkt_times_intra;
+ pkt->ol_flags |= timestamp_mask;
+ *RTE_MBUF_DYNFIELD
+ (pkt, timestamp_off, uint64_t *) = skew;
+ RTE_PER_LCORE(timestamp_qskew) = skew;
+ timestamp_mark.ts = rte_cpu_to_be_64(skew);
+ } else {
+ timestamp_mark.ts = RTE_BE64(0);
+ }
+ copy_buf_to_pkt(×tamp_mark, sizeof(timestamp_mark), pkt,
+ sizeof(struct rte_ether_hdr) +
+ sizeof(struct rte_ipv4_hdr) +
+ sizeof(pkt_udp_hdr));
+ }
/*
* Complete first mbuf of packet and append it to the
* burst of packets to be transmitted.
if (unlikely(!pkt_burst_prepare(pkts_burst[nb_pkt], mbp,
ð_hdr, vlan_tci,
vlan_tci_outer,
- ol_flags))) {
+ ol_flags,
+ nb_pkt, fs))) {
rte_mempool_put_bulk(mbp,
(void **)&pkts_burst[nb_pkt],
nb_pkt_per_burst - nb_pkt);
if (unlikely(!pkt_burst_prepare(pkt, mbp, ð_hdr,
vlan_tci,
vlan_tci_outer,
- ol_flags))) {
+ ol_flags,
+ nb_pkt, fs))) {
rte_pktmbuf_free(pkt);
break;
}
return;
nb_tx = rte_eth_tx_burst(fs->tx_port, fs->tx_queue, pkts_burst, nb_pkt);
+
/*
* Retry if necessary
*/
fs->tx_packets += nb_tx;
if (txonly_multi_flow)
- RTE_PER_LCORE(_ip_var) += nb_tx;
+ RTE_PER_LCORE(_ip_var) -= nb_pkt - nb_tx;
#ifdef RTE_TEST_PMD_RECORD_BURST_STATS
fs->tx_burst_stats.pkt_burst_spread[nb_tx]++;
}
static void
-tx_only_begin(__attribute__((unused)) portid_t pi)
+tx_only_begin(portid_t pi)
{
uint16_t pkt_data_len;
+ int dynf;
pkt_data_len = (uint16_t) (tx_pkt_length - (
sizeof(struct rte_ether_hdr) +
sizeof(struct rte_ipv4_hdr) +
sizeof(struct rte_udp_hdr)));
setup_pkt_udp_ip_headers(&pkt_ip_hdr, &pkt_udp_hdr, pkt_data_len);
+
+ timestamp_enable = false;
+ timestamp_mask = 0;
+ timestamp_off = -1;
+ RTE_PER_LCORE(timestamp_qskew) = 0;
+ dynf = rte_mbuf_dynflag_lookup
+ (RTE_MBUF_DYNFLAG_TX_TIMESTAMP_NAME, NULL);
+ if (dynf >= 0)
+ timestamp_mask = 1ULL << dynf;
+ dynf = rte_mbuf_dynfield_lookup
+ (RTE_MBUF_DYNFIELD_TIMESTAMP_NAME, NULL);
+ if (dynf >= 0)
+ timestamp_off = dynf;
+ timestamp_enable = tx_pkt_times_inter &&
+ timestamp_mask &&
+ timestamp_off >= 0 &&
+ !rte_eth_read_clock(pi, ×tamp_initial[pi]);
+ if (timestamp_enable)
+ timestamp_init_req++;
+ /* Make sure all settings are visible on forwarding cores.*/
+ rte_wmb();
}
struct fwd_engine tx_only_engine = {