@@ -214,6 +214,8 @@ usage(char* progname)
"disable print of designated event or all of them.\n");
printf(" --flow-isolate-all: "
"requests flow API isolated mode on all ports at initialization time.\n");
+ printf(" --enable-multiseg: "
+ "enables multi segment send Tx offload on all ports.\n");
}
#ifdef RTE_LIBRTE_CMDLINE
@@ -566,6 +568,8 @@ launch_args_parse(int argc, char** argv)
enum { TX, RX };
/* Default Rx offloads for all ports. */
uint64_t rx_offloads = rx_mode.offloads;
+ /* Default Tx offloads for all ports. */
+ uint64_t tx_offloads = tx_mode.offloads;
static struct option lgopts[] = {
{ "help", 0, 0, 0 },
@@ -642,6 +646,7 @@ launch_args_parse(int argc, char** argv)
{ "no-rmv-interrupt", 0, 0, 0 },
{ "print-event", 1, 0, 0 },
{ "mask-event", 1, 0, 0 },
+ { "enable-multiseg", 0, 0, 0 },
{ 0, 0, 0, 0 },
};
@@ -1115,6 +1120,8 @@ launch_args_parse(int argc, char** argv)
rte_exit(EXIT_FAILURE,
"invalid mask-event argument\n");
}
+ if (!strcmp(lgopts[opt_idx].name, "enable-multiseg"))
+ tx_offloads |= DEV_TX_OFFLOAD_MULTI_SEGS;
break;
case 'h':
@@ -1131,4 +1138,5 @@ launch_args_parse(int argc, char** argv)
/* Set offload configuration from command line parameters. */
rx_mode.offloads = rx_offloads;
+ tx_mode.offloads = tx_offloads;
}
@@ -339,6 +339,8 @@ struct rte_eth_rxmode rx_mode = {
.ignore_offload_bitfield = 1, /**< Use rte_eth_rxq_conf offloads API */
};
+struct rte_eth_txmode tx_mode;
+
struct rte_fdir_conf fdir_conf = {
.mode = RTE_FDIR_MODE_NONE,
.pballoc = RTE_FDIR_PBALLOC_64K,
@@ -599,6 +601,8 @@ init_config(void)
RTE_ETH_FOREACH_DEV(pid) {
port = &ports[pid];
+ /* Apply default Tx configuration for all ports */
+ port->dev_conf.txmode = tx_mode;
rte_eth_dev_info_get(pid, &port->dev_info);
if (numa_support) {
@@ -415,6 +415,7 @@ extern portid_t fwd_ports_ids[RTE_MAX_ETHPORTS];
extern struct rte_port *ports;
extern struct rte_eth_rxmode rx_mode;
+extern struct rte_eth_txmode tx_mode;
extern uint64_t rss_hf;
extern queueid_t nb_rxq;
@@ -497,3 +497,7 @@ The commandline options are:
configured flow rules only (see flow command).
Ports that do not support this mode are automatically discarded.
+
+* ``--enable-multiseg``
+
+ Enables multi segment send Tx offload on all ports.