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path: root/VNFs/DPPD-PROX/prox_port_cfg.c
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Diffstat (limited to 'VNFs/DPPD-PROX/prox_port_cfg.c')
-rw-r--r--VNFs/DPPD-PROX/prox_port_cfg.c29
1 files changed, 23 insertions, 6 deletions
diff --git a/VNFs/DPPD-PROX/prox_port_cfg.c b/VNFs/DPPD-PROX/prox_port_cfg.c
index a0530c4..de11dbf 100644
--- a/VNFs/DPPD-PROX/prox_port_cfg.c
+++ b/VNFs/DPPD-PROX/prox_port_cfg.c
@@ -224,9 +224,14 @@ void init_rte_dev(int use_dummy_devices)
port_cfg->max_rxq = dev_info.max_rx_queues;
port_cfg->max_rx_pkt_len = dev_info.max_rx_pktlen;
port_cfg->min_rx_bufsize = dev_info.min_rx_bufsize;
+ port_cfg->min_tx_desc = dev_info.tx_desc_lim.nb_min;
+ port_cfg->max_tx_desc = dev_info.tx_desc_lim.nb_max;
+ port_cfg->min_rx_desc = dev_info.rx_desc_lim.nb_min;
+ port_cfg->max_rx_desc = dev_info.rx_desc_lim.nb_max;
prox_strncpy(port_cfg->driver_name, dev_info.driver_name, sizeof(port_cfg->driver_name));
plog_info("\tPort %u : driver='%s' tx_queues=%d rx_queues=%d\n", port_id, !strcmp(port_cfg->driver_name, "")? "null" : port_cfg->driver_name, port_cfg->max_txq, port_cfg->max_rxq);
+ plog_info("\tPort %u : %d<=nb_tx_desc<=%d %d<=nb_rx_desc<=%d\n", port_id, port_cfg->min_tx_desc, port_cfg->max_tx_desc, port_cfg->min_rx_desc, port_cfg->max_rx_desc);
if (strncmp(port_cfg->driver_name, "rte_", 4) == 0) {
prox_strncpy(port_cfg->short_name, prox_port_cfg[port_id].driver_name + 4, sizeof(port_cfg->short_name));
@@ -612,12 +617,24 @@ static void init_port(struct prox_port_cfg *port_cfg)
port_cfg->port_conf.intr_conf.lsc = port_cfg->lsc_val;
plog_info("\t\tOverriding link state interrupt configuration to '%s'\n", port_cfg->lsc_val? "enabled" : "disabled");
}
- if (!strcmp(port_cfg->short_name, "vmxnet3")) {
- if (port_cfg->n_txd < 512) {
- // Vmxnet3 driver requires minimum 512 tx descriptors
- plog_info("\t\tNumber of TX descriptors is set to 512 (minimum required for vmxnet3\n");
- port_cfg->n_txd = 512;
- }
+ if (port_cfg->n_txd < port_cfg->min_tx_desc) {
+ plog_info("\t\tNumber of TX descriptors is set to %d (minimum required for %s\n", port_cfg->min_tx_desc, port_cfg->short_name);
+ port_cfg->n_txd = port_cfg->min_tx_desc;
+ }
+
+ if (port_cfg->n_rxd < port_cfg->min_rx_desc) {
+ plog_info("\t\tNumber of RX descriptors is set to %d (minimum required for %s\n", port_cfg->min_rx_desc, port_cfg->short_name);
+ port_cfg->n_rxd = port_cfg->min_rx_desc;
+ }
+
+ if (port_cfg->n_txd > port_cfg->max_tx_desc) {
+ plog_info("\t\tNumber of TX descriptors is set to %d (maximum required for %s\n", port_cfg->max_tx_desc, port_cfg->short_name);
+ port_cfg->n_txd = port_cfg->max_tx_desc;
+ }
+
+ if (port_cfg->n_rxd > port_cfg->max_rx_desc) {
+ plog_info("\t\tNumber of RX descriptors is set to %d (maximum required for %s\n", port_cfg->max_rx_desc, port_cfg->short_name);
+ port_cfg->n_rxd = port_cfg->max_rx_desc;
}
ret = rte_eth_dev_configure(port_id, port_cfg->n_rxq,