net/ice: fix protocol header for PPPoE

[dpdk.git] / lib / librte_sched / rte_sched.c

diff --git a/lib/librte_sched/rte_sched.c b/lib/librte_sched/rte_sched.c
index 68a171b..0fa0741 100644 (file)
--- a/lib/librte_sched/rte_sched.c
+++ b/lib/librte_sched/rte_sched.c
@@ -222,6 +222,7 @@ struct rte_sched_port {
        uint64_t time_cpu_bytes;      /* Current CPU time measured in bytes */
        uint64_t time;                /* Current NIC TX time measured in bytes */
        struct rte_reciprocal inv_cycles_per_byte; /* CPU cycles per byte */
+       uint64_t cycles_per_byte;
 
        /* Grinders */
        struct rte_mbuf **pkts_out;
@@ -852,6 +853,7 @@ rte_sched_port_config(struct rte_sched_port_params *params)
        cycles_per_byte = (rte_get_tsc_hz() << RTE_SCHED_TIME_SHIFT)
                / params->rate;
        port->inv_cycles_per_byte = rte_reciprocal_value(cycles_per_byte);
+       port->cycles_per_byte = cycles_per_byte;
 
        /* Grinders */
        port->pkts_out = NULL;
@@ -2673,16 +2675,21 @@ static inline void
 rte_sched_port_time_resync(struct rte_sched_port *port)
 {
        uint64_t cycles = rte_get_tsc_cycles();
-       uint64_t cycles_diff = cycles - port->time_cpu_cycles;
+       uint64_t cycles_diff;
        uint64_t bytes_diff;
        uint32_t i;
 
+       if (cycles < port->time_cpu_cycles)
+               port->time_cpu_cycles = 0;
+
+       cycles_diff = cycles - port->time_cpu_cycles;
        /* Compute elapsed time in bytes */
        bytes_diff = rte_reciprocal_divide(cycles_diff << RTE_SCHED_TIME_SHIFT,
                                           port->inv_cycles_per_byte);
 
        /* Advance port time */
-       port->time_cpu_cycles = cycles;
+       port->time_cpu_cycles +=
+               (bytes_diff * port->cycles_per_byte) >> RTE_SCHED_TIME_SHIFT;
        port->time_cpu_bytes += bytes_diff;
        if (port->time < port->time_cpu_bytes)
                port->time = port->time_cpu_bytes;