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examples/qos_meter: add color policy

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Signed-off-by: Intel
This commit is contained in:
Intel 2013-09-18 12:00:00 +02:00 committed by Thomas Monjalon
parent b475eb0bc4
commit fc8a10d852
2 changed files with 38 additions and 12 deletions
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36
examples/qos_meter/main.c
View File

@ -166,19 +166,30 @@ app_configure_flow_table(void)
}
static inline void
app_set_pkt_color(uint8_t *pkt_data, enum policer_action color)
{
pkt_data[APP_PKT_COLOR_POS] = (uint8_t)color;
}
static inline int
app_pkt_handle(struct rte_mbuf *pkt, uint64_t time)
{
uint8_t color;
uint8_t input_color, output_color;
uint8_t *pkt_data = rte_pktmbuf_mtod(pkt, uint8_t *);
uint32_t pkt_len = rte_pktmbuf_pkt_len(pkt) - sizeof(struct ether_hdr);
uint8_t flow_id = (uint8_t)(pkt_data[APP_PKT_FLOW_POS] & (APP_FLOWS_MAX - 1));
color = pkt_data[APP_PKT_COLOR_POS];
input_color = pkt_data[APP_PKT_COLOR_POS];
enum policer_action action;
/* color input is not used for blind modes */
color = (uint8_t) FUNC_METER(&app_flows[flow_id], time, pkt_len,
(enum rte_meter_color) color);
pkt_data[APP_PKT_COLOR_POS] = color;
output_color = (uint8_t) FUNC_METER(&app_flows[flow_id], time, pkt_len,
(enum rte_meter_color) input_color);
/* Apply policing and set the output color */
action = policer_table[input_color][output_color];
app_set_pkt_color(pkt_data, action);
return action;
}
@ -229,12 +240,13 @@ main_loop(__attribute__((unused)) void *dummy)
for (i = 0; i < nb_rx; i ++) {
struct rte_mbuf *pkt = pkts_rx[i];
/* Handle current packet*/
app_pkt_handle(pkt, current_time);
/* Write current packet in the output buffer */
pkts_tx[pkts_tx_len] = pkt;
pkts_tx_len ++;
/* Handle current packet */
if (app_pkt_handle(pkt, current_time) == DROP)
rte_pktmbuf_free(pkt);
else {
pkts_tx[pkts_tx_len] = pkt;
pkts_tx_len ++;
}
/* Write packets from output buffer to NIC TX when full burst is available */
if (unlikely(pkts_tx_len == PKT_TX_BURST_MAX)) {

14
examples/qos_meter/main.h
View File

@ -34,6 +34,20 @@
#ifndef _MAIN_H_
#define _MAIN_H_
enum policer_action {
GREEN = e_RTE_METER_GREEN,
YELLOW = e_RTE_METER_YELLOW,
RED = e_RTE_METER_RED,
DROP = 3,
};
enum policer_action policer_table[e_RTE_METER_COLORS][e_RTE_METER_COLORS] =
{
{ GREEN, RED, RED},
{ DROP, YELLOW, RED},
{ DROP, DROP, RED}
};
#ifdef RTE_EXEC_ENV_BAREMETAL
#define MAIN _main
#else