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net/bnxt: support host memory based TruFlow

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This feature can be enabled by passing
"-w 0000:0d:00.0,host-based-truflow=1” to the DPDK application.

Signed-off-by: Venkat Duvvuru <venkatkumar.duvvuru@broadcom.com>
Reviewed-by: Somnath Kotur <somnath.kotur@broadcom.com>
This commit is contained in:
Venkat Duvvuru 2020-04-15 13:48:52 +05:30 committed by Ferruh Yigit
parent 51fbba03f7
commit 7b09406537
2 changed files with 76 additions and 1 deletions
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4
drivers/net/bnxt/bnxt.h
View File

@ -685,7 +685,9 @@ struct bnxt {
#define BNXT_SVIF_INVALID 0xFFFF
uint16_t func_svif;
uint16_t port_svif;
struct tf tfp;
struct tf tfp;
uint8_t truflow;
};
int bnxt_mtu_set_op(struct rte_eth_dev *eth_dev, uint16_t new_mtu);

73
drivers/net/bnxt/bnxt_ethdev.c
View File

@ -12,6 +12,7 @@
#include <rte_malloc.h>
#include <rte_cycles.h>
#include <rte_alarm.h>
#include <rte_kvargs.h>
#include "bnxt.h"
#include "bnxt_filter.h"
@ -126,6 +127,18 @@ static const struct rte_pci_id bnxt_pci_id_map[] = {
DEV_RX_OFFLOAD_SCATTER | \
DEV_RX_OFFLOAD_RSS_HASH)
#define BNXT_DEVARG_TRUFLOW "host-based-truflow"
static const char *const bnxt_dev_args[] = {
BNXT_DEVARG_TRUFLOW,
NULL
};
/*
* truflow == false to disable the feature
* truflow == true to enable the feature
*/
#define BNXT_DEVARG_TRUFLOW_INVALID(truflow) ((truflow) > 1)
static int bnxt_vlan_offload_set_op(struct rte_eth_dev *dev, int mask);
static void bnxt_print_link_info(struct rte_eth_dev *eth_dev);
static int bnxt_dev_uninit(struct rte_eth_dev *eth_dev);
@ -4853,6 +4866,63 @@ static int bnxt_init_resources(struct bnxt *bp, bool reconfig_dev)
return 0;
}
static int
bnxt_parse_devarg_truflow(__rte_unused const char *key,
const char *value, void *opaque_arg)
{
struct bnxt *bp = opaque_arg;
unsigned long truflow;
char *end = NULL;
if (!value || !opaque_arg) {
PMD_DRV_LOG(ERR,
"Invalid parameter passed to truflow devargs.\n");
return -EINVAL;
}
truflow = strtoul(value, &end, 10);
if (end == NULL || *end != '\0' ||
(truflow == ULONG_MAX && errno == ERANGE)) {
PMD_DRV_LOG(ERR,
"Invalid parameter passed to truflow devargs.\n");
return -EINVAL;
}
if (BNXT_DEVARG_TRUFLOW_INVALID(truflow)) {
PMD_DRV_LOG(ERR,
"Invalid value passed to truflow devargs.\n");
return -EINVAL;
}
bp->truflow = truflow;
if (bp->truflow)
PMD_DRV_LOG(INFO, "Host-based truflow feature enabled.\n");
return 0;
}
static void
bnxt_parse_dev_args(struct bnxt *bp, struct rte_devargs *devargs)
{
struct rte_kvargs *kvlist;
if (devargs == NULL)
return;
kvlist = rte_kvargs_parse(devargs->args, bnxt_dev_args);
if (kvlist == NULL)
return;
/*
* Handler for "truflow" devarg.
* Invoked as for ex: "-w 0000:00:0d.0,host-based-truflow=1”
*/
rte_kvargs_process(kvlist, BNXT_DEVARG_TRUFLOW,
bnxt_parse_devarg_truflow, bp);
rte_kvargs_free(kvlist);
}
static int
bnxt_dev_init(struct rte_eth_dev *eth_dev)
{
@ -4879,6 +4949,9 @@ bnxt_dev_init(struct rte_eth_dev *eth_dev)
bp = eth_dev->data->dev_private;
/* Parse dev arguments passed on when starting the DPDK application. */
bnxt_parse_dev_args(bp, pci_dev->device.devargs);
bp->flags &= ~BNXT_FLAG_RX_VECTOR_PKT_MODE;
if (bnxt_vf_pciid(pci_dev->id.device_id))