> -----Original Message----- > From: dev [mailto:dev-boun...@dpdk.org] On Behalf Of Wenzhuo Lu > Sent: Tuesday, January 3, 2017 2:54 PM > To: dev@dpdk.org > Cc: Lu, Wenzhuo <wenzhuo...@intel.com> > Subject: [dpdk-dev] [PATCH v7 01/27] net/i40e: support link status > notification > > Add an API to expose the ability, that PF can notify VF when link status > changes, > to APP. > So if PF APP doesn't want to enable interruption but check link status by > itself, PF > APP can let VF know link status changed. > > Signed-off-by: Wenzhuo Lu <wenzhuo...@intel.com> > --- > drivers/net/i40e/Makefile | 4 ++- > drivers/net/i40e/i40e_ethdev.c | 28 +++++++++++++++ > drivers/net/i40e/i40e_pf.c | 4 +-- > drivers/net/i40e/i40e_pf.h | 4 ++- > drivers/net/i40e/rte_pmd_i40e.h | 58 > +++++++++++++++++++++++++++++++ > drivers/net/i40e/rte_pmd_i40e_version.map | 7 ++++ > 6 files changed, 101 insertions(+), 4 deletions(-) create mode 100644 > drivers/net/i40e/rte_pmd_i40e.h > > diff --git a/drivers/net/i40e/Makefile b/drivers/net/i40e/Makefile index > 66997b6..a2ef53c 100644 > --- a/drivers/net/i40e/Makefile > +++ b/drivers/net/i40e/Makefile > @@ -1,6 +1,6 @@ > # BSD LICENSE > # > -# Copyright(c) 2010-2015 Intel Corporation. All rights reserved. > +# Copyright(c) 2010-2016 Intel Corporation. All rights reserved. > # All rights reserved. > # > # Redistribution and use in source and binary forms, with or without > @@ -111,6 +111,8 @@ ifeq ($(findstring > RTE_MACHINE_CPUFLAG_SSE4_1,$(CFLAGS)),) > CFLAGS_i40e_rxtx_vec_sse.o += -msse4.1 > endif > > +# install this header file > +SYMLINK-$(CONFIG_RTE_LIBRTE_I40E_PMD)-include := rte_pmd_i40e.h > > # this lib depends upon: > DEPDIRS-$(CONFIG_RTE_LIBRTE_I40E_PMD) += lib/librte_eal lib/librte_ether > diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c > index f42f4ba..fc7e987 100644 > --- a/drivers/net/i40e/i40e_ethdev.c > +++ b/drivers/net/i40e/i40e_ethdev.c > @@ -62,6 +62,7 @@ > #include "i40e_rxtx.h" > #include "i40e_pf.h" > #include "i40e_regs.h" > +#include "rte_pmd_i40e.h" > > #define ETH_I40E_FLOATING_VEB_ARG "enable_floating_veb" > #define ETH_I40E_FLOATING_VEB_LIST_ARG "floating_veb_list" > @@ -9695,3 +9696,30 @@ static void i40e_set_default_mac_addr(struct > rte_eth_dev *dev, > > return ret; > } > + > +int > +rte_pmd_i40e_ping_vfs(uint8_t port, uint16_t vf) { > + struct rte_eth_dev *dev; > + struct rte_eth_dev_info dev_info; > + struct i40e_pf *pf; > + > + RTE_ETH_VALID_PORTID_OR_ERR_RET(port, -ENODEV); > + > + dev = &rte_eth_devices[port]; > + rte_eth_dev_info_get(port, &dev_info); > + > + if (vf >= dev_info.max_vfs) > + return -EINVAL; > + > + pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private); > + > + if (vf > pf->vf_num - 1 || !pf->vfs) { How about if (!pf->vfs || vf > pf->vf_num - 1) { because if vf_num is 0, the pf->vfs will be NULL.
Thanks Jingjing