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From: "Stillwell Jr, Paul M" <paul.m.stillwell.jr@intel.com>
To: "Yang, Qiming" <qiming.yang@intel.com>, "dev@dpdk.org" <dev@dpdk.org>
CC: "Yang, Qiming" <qiming.yang@intel.com>
Thread-Topic: [dpdk-dev] [PATCH 1/2] net/ice: suppport package download
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Date: Mon, 4 Mar 2019 17:54:18 +0000
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Subject: Re: [dpdk-dev] [PATCH 1/2] net/ice: suppport package download
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NACK, see comments below
> -----Original Message-----
> From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Qiming Yang
> Sent: Friday, March 1, 2019 4:46 AM
> To: dev@dpdk.org
> Cc: Yang, Qiming <qiming.yang@intel.com>
> Subject: [dpdk-dev] [PATCH 1/2] net/ice: suppport package download
>=20
> Columbiaville requires a package to be downloaded if need advanced
> features. This patch add package download support in two ways.
> If it configured package path in devargs, will use this path, if not, wil=
l load the
We can't support downloading the package through devargs. Please remove thi=
s.
> package at /lib/firmware/intel/ice/ddp/ice.pkg.
>=20
The location is /lib/firmware. No need for extra indirection
> When package download failed, will initialize in safe mode, some advanced
> features will not be supported.
>=20
> Signed-off-by: Qiming Yang <qiming.yang@intel.com>
> ---
> drivers/net/ice/ice_ethdev.c | 134
> +++++++++++++++++++++++++++++++++++++++++++
> drivers/net/ice/ice_ethdev.h | 2 +
> 2 files changed, 136 insertions(+)
>=20
> diff --git a/drivers/net/ice/ice_ethdev.c b/drivers/net/ice/ice_ethdev.c
> index a23c63a..c097259 100644
> --- a/drivers/net/ice/ice_ethdev.c
> +++ b/drivers/net/ice/ice_ethdev.c
> @@ -2,12 +2,19 @@
> * Copyright(c) 2018 Intel Corporation
> */
>=20
> +#include <stdio.h>
> +#include <sys/types.h>
> +#include <sys/stat.h>
> +#include <unistd.h>
> +
> #include <rte_ethdev_pci.h>
>=20
> #include "base/ice_sched.h"
> #include "ice_ethdev.h"
> #include "ice_rxtx.h"
>=20
> +#define ETH_ICE_PKG_PATH_ARG "package_path"
> +
> #define ICE_MAX_QP_NUM "max_queue_pair_num"
> #define ICE_DFLT_OUTER_TAG_TYPE ICE_AQ_VSI_OUTER_TAG_VLAN_9100
>=20
> @@ -72,6 +79,10 @@ static int ice_xstats_get_names(struct rte_eth_dev
> *dev,
> struct rte_eth_xstat_name *xstats_names,
> unsigned int limit);
>=20
> +static const char *const valid_keys[] =3D {
> + ETH_ICE_PKG_PATH_ARG,
> + NULL};
> +
> static const struct rte_pci_id pci_id_ice_map[] =3D {
> { RTE_PCI_DEVICE(ICE_INTEL_VENDOR_ID,
> ICE_DEV_ID_E810C_BACKPLANE) },
> { RTE_PCI_DEVICE(ICE_INTEL_VENDOR_ID,
> ICE_DEV_ID_E810C_QSFP) }, @@ -1260,6 +1271,119 @@ ice_pf_setup(struct
> ice_pf *pf) }
>=20
> static int
> +ice_parse_pkg_path_handler(__rte_unused const char *key,
> + const char *value,
> + void *opaque)
> +{
> + struct ice_adapter *ad;
> +
> + ad =3D (struct ice_adapter *)opaque;
> + ad->pkg_path =3D value;
> +
> + return 0;
> +}
> +
> +static void
> +ice_find_pkg_path(struct rte_eth_dev *dev) {
> + struct rte_kvargs *kvlist;
> + struct ice_adapter *ad =3D
> + ICE_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
> + int kvargs_count;
> +
> + if (!(dev->device->devargs))
> + return;
> +
> + kvlist =3D rte_kvargs_parse(dev->device->devargs->args, valid_keys);
> + if (kvlist =3D=3D NULL)
> + return;
> +
> + kvargs_count =3D rte_kvargs_count(kvlist, ETH_ICE_PKG_PATH_ARG);
> +
> + if (!kvargs_count) {
> + rte_kvargs_free(kvlist);
> + return;
> + }
> +
> + if (kvargs_count > 1)
> + PMD_DRV_LOG(WARNING, "More than one argument
> \"%s\" and only "
> + "the first invalid or last valid one is used !",
> + ETH_ICE_PKG_PATH_ARG);
> +
> + if (rte_kvargs_process(kvlist, ETH_ICE_PKG_PATH_ARG,
> + ice_parse_pkg_path_handler, ad) < 0) {
> + rte_kvargs_free(kvlist);
> + return;
> + }
> + rte_kvargs_free(kvlist);
> +}
> +
> +static int ice_load_pkg(struct rte_eth_dev *dev, const char *pkg_path)
> +{
> + struct ice_hw *hw =3D ICE_DEV_PRIVATE_TO_HW(dev->data-
> >dev_private);
> + struct ice_adapter *ad =3D
> + ICE_DEV_PRIVATE_TO_ADAPTER(dev->data-
> >dev_private);
> + int err;
> + uint8_t *buf;
> + int buf_len;
> + FILE *file;
> + struct stat fstat;
> +
> + file =3D fopen(pkg_path, "rb");
> + if (file =3D=3D NULL) {
> + PMD_INIT_LOG(ERR, "failed to open file");
> + return 0;
> + }
> +
> + err =3D stat(pkg_path, &fstat);
> + if (err) {
> + PMD_INIT_LOG(ERR, "failed to get file stats");
> + fclose(file);
> + return 0;
> + }
> +
> + buf_len =3D fstat.st_size;
> + printf("buf_len =3D %d\n", buf_len);
> + buf =3D rte_malloc(NULL, buf_len, 0);
> +
> + if (buf =3D=3D NULL) {
> + PMD_INIT_LOG(ERR, "failed to allocate buf for package");
> + fclose(file);
> + return 0;
> + }
> +
> + err =3D fread(buf, buf_len, 1, file);
> + if (err !=3D 1) {
> + PMD_INIT_LOG(ERR, "failed to read package data");
> + fclose(file);
> + return 0;
> + }
> +
> + fclose(file);
> +
> + err =3D ice_copy_and_init_pkg(hw, buf, buf_len);
> + if (err) {
> + PMD_INIT_LOG(ERR, "ice_copy_and_init_hw failed: %d\n",
> + err);
> + goto err_go_to_safe_mode;
> + }
> +
> + err =3D ice_init_hw_tbls(hw);
> + if (err) {
> + PMD_INIT_LOG(ERR, "ice_init_hw_tbls failed: %d\n", err);
> + goto err_go_to_safe_mode;
> + }
> +
> + ad->is_safe_mode =3D 0;
> + return 0;
> +
> +err_go_to_safe_mode:
> + ad->is_safe_mode =3D 1;
> +
> + return err;
> +}
> +
> +static int
> ice_dev_init(struct rte_eth_dev *dev)
> {
> struct rte_pci_device *pci_dev;
> @@ -1267,6 +1391,7 @@ ice_dev_init(struct rte_eth_dev *dev)
> struct ice_hw *hw =3D ICE_DEV_PRIVATE_TO_HW(dev->data-
> >dev_private);
> struct ice_pf *pf =3D ICE_DEV_PRIVATE_TO_PF(dev->data-
> >dev_private);
> struct ice_vsi *vsi;
> + const char *pkg_path;
> int ret;
>=20
> dev->dev_ops =3D &ice_eth_dev_ops;
> @@ -1322,6 +1447,15 @@ ice_dev_init(struct rte_eth_dev *dev)
> goto err_pf_setup;
> }
>=20
> + ice_find_pkg_path(dev);
> + if (!(pf->adapter->pkg_path))
> + pkg_path =3D "/lib/firmware/intel/ice/ddp/ice.pkg";
> + else
> + pkg_path =3D pf->adapter->pkg_path;
> + ret =3D ice_load_pkg(dev, pkg_path);
> + if (ret)
> + PMD_INIT_LOG(ERR, "Failed to load default OS package");
> +
> vsi =3D pf->main_vsi;
>=20
> /* Disable double vlan by default */
> diff --git a/drivers/net/ice/ice_ethdev.h b/drivers/net/ice/ice_ethdev.h
> index 3cefa5b..796459a 100644
> --- a/drivers/net/ice/ice_ethdev.h
> +++ b/drivers/net/ice/ice_ethdev.h
> @@ -264,6 +264,8 @@ struct ice_adapter {
> bool tx_simple_allowed;
> /* ptype mapping table */
> uint32_t ptype_tbl[ICE_MAX_PKT_TYPE] __rte_cache_min_aligned;
> + const char *pkg_path;
> + bool is_safe_mode;
> };
>=20
> struct ice_vsi_vlan_pvid_info {
> --
> 2.9.5