> -----Original Message----- > From: dev [mailto:dev-boun...@dpdk.org] On Behalf Of David Hunt > Sent: Saturday, August 26, 2017 12:02 AM > To: dev@dpdk.org > Cc: Hunt, David <david.h...@intel.com>; Marjanovic, Nemanja > <nemanja.marjano...@intel.com>; Sexton, Rory <rory.sex...@intel.com> > Subject: [dpdk-dev] [PATCH v1 02/10] net/i40e: add API to get received packet > count > > Signed-off-by: Nemanja Marjanovic <nemanja.marjano...@intel.com> > Signed-off-by: Rory Sexton <rory.sex...@intel.com> > Signed-off-by: David Hunt <david.h...@intel.com> > --- > drivers/net/i40e/i40e_ethdev.c | 1 + > drivers/net/i40e/i40e_rxtx.c | 10 ++++++++++ > drivers/net/i40e/i40e_rxtx.h | 1 + > lib/librte_ether/rte_ethdev.h | 19 +++++++++++++++++++ > 4 files changed, 31 insertions(+) > > diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c > index 8fb67d8..d9806fc 100644 > --- a/drivers/net/i40e/i40e_ethdev.c > +++ b/drivers/net/i40e/i40e_ethdev.c > @@ -446,6 +446,7 @@ static const struct rte_pci_id pci_id_i40e_map[] = { > > static const struct eth_dev_ops i40e_eth_dev_ops = { > .vfid_to_pfid = i40e_vf_mac_to_vsi, > + .read_pf_stats = i40e_vsi_stats_read, > .dev_configure = i40e_dev_configure, > .dev_start = i40e_dev_start, > .dev_stop = i40e_dev_stop, > diff --git a/drivers/net/i40e/i40e_rxtx.c b/drivers/net/i40e/i40e_rxtx.c index > 1379d5e..b7b64d2 100644 > --- a/drivers/net/i40e/i40e_rxtx.c > +++ b/drivers/net/i40e/i40e_rxtx.c > @@ -833,6 +833,16 @@ i40e_vf_mac_to_vsi(struct rte_eth_dev *dev, uint64_t > vfid) { > return -1; > } > > +uint64_t > +i40e_vsi_stats_read(struct rte_eth_dev *dev, uint8_t vsi_id) { > + struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data- > >dev_private); > + > + uint64_t glv_uprch = I40E_READ_REG(hw, > + I40E_GLV_UPRCH(vsi_id)) & 0x0000FFFF; > + uint64_t glv_uprcl = I40E_READ_REG(hw, I40E_GLV_UPRCL(vsi_id)); > + return glv_uprcl + (glv_uprch << 32); > +}
You can change the input to vf_id, and then get the vsi_id internally. Anyway, the counter registers are cleared when read. It will impact the Ops like stats_get/ stats_reset. We have func called i40e_update_vsi_stats which record the packets count. I think you can use it. Thanks Jingjing
