diff options
Diffstat (limited to 'VNFs/DPPD-PROX/handle_lat.c')
| -rw-r--r-- | VNFs/DPPD-PROX/handle_lat.c | 24 |
1 files changed, 20 insertions, 4 deletions
diff --git a/VNFs/DPPD-PROX/handle_lat.c b/VNFs/DPPD-PROX/handle_lat.c index 1fa44137..8cc5c32b 100644 --- a/VNFs/DPPD-PROX/handle_lat.c +++ b/VNFs/DPPD-PROX/handle_lat.c @@ -520,6 +520,16 @@ static int handle_lat_bulk(struct task_base *tbase, struct rte_mbuf **mbufs, uin uint32_t pkt_rx_time, pkt_tx_time; + // If link is down, link_speed is 0 + if (unlikely(task->link_speed == 0)) { + if (task->port && task->port->link_speed != 0) { + task->link_speed = task->port->link_speed * 125000L; + plog_info("\tPort %u: link speed is %ld Mbps\n", + (uint8_t)(task->port - prox_port_cfg), 8 * task->link_speed / 1000000); + } else + return 0; + } + if (n_pkts == 0) { task->begin = tbase->aux->tsc_rx.before; return 0; @@ -688,11 +698,17 @@ static void lat_start(struct task_base *tbase) { struct task_lat *task = (struct task_lat *)tbase; - if (task->port && task->port->link_speed) { - // task->port->link->speed reports the link speed in Mbps e.g. 40k for a 40 Gbps NIC - // task->link_speed reported link speed in Bytes per sec. + if (task->port) { + // task->port->link_speed reports the link speed in Mbps e.g. 40k for a 40 Gbps NIC. + // task->link_speed reports link speed in Bytes per sec. + // It can be 0 if link is down, and must hence be updated in fast path. task->link_speed = task->port->link_speed * 125000L; - plog_info("\tReceiving at %lu Mbps\n", 8 * task->link_speed / 1000000); + if (task->link_speed) + plog_info("\tPort %u: link speed is %ld Mbps\n", + (uint8_t)(task->port - prox_port_cfg), 8 * task->link_speed / 1000000); + else + plog_info("\tPort %u: link speed is %ld Mbps - link might be down\n", + (uint8_t)(task->port - prox_port_cfg), 8 * task->link_speed / 1000000); } } |