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authorIntel <intel.com>2013-09-18 12:00:00 +0200
committerThomas Monjalon <thomas.monjalon@6wind.com>2013-10-09 16:16:15 +0200
commitfc8a10d8527a0715bee3ed25a3bb3115b165c3c0 (patch)
tree3e34a46b860733cdb620a6199b61786298d1c031 /examples/qos_meter
parentb475eb0bc40082838bb1d0d179309b74a77caa37 (diff)
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examples/qos_meter: add color policy
Signed-off-by: Intel
Diffstat (limited to 'examples/qos_meter')
-rwxr-xr-xexamples/qos_meter/main.c36
-rwxr-xr-xexamples/qos_meter/main.h14
2 files changed, 38 insertions, 12 deletions
diff --git a/examples/qos_meter/main.c b/examples/qos_meter/main.c
index 776d941..b94d55d 100755
--- a/examples/qos_meter/main.c
+++ b/examples/qos_meter/main.c
@@ -166,19 +166,30 @@ app_configure_flow_table(void)
}
static inline void
-app_pkt_handle(struct rte_mbuf *pkt, uint64_t time)
+app_set_pkt_color(uint8_t *pkt_data, enum policer_action color)
{
- uint8_t 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 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)) {
diff --git a/examples/qos_meter/main.h b/examples/qos_meter/main.h
index a9ffe49..6af3df2 100755
--- a/examples/qos_meter/main.h
+++ b/examples/qos_meter/main.h
@@ -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