RE: [Intel-wired-lan] [PATCH iwl-next v2 3/7] i40e: Refactor argument of i40e_detect_recover_hung()

[Loktionov, Aleksandr]

> -----Original Message-----
> From: Intel-wired-lan <intel-wired-lan-bounces@xxxxxxxxxx> On
> Behalf Of Kalesh Anakkur Purayil
> Sent: Friday, March 29, 2024 5:47 AM
> To: ivecera <ivecera@xxxxxxxxxx>
> Cc: netdev@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx;
> Loktionov, Aleksandr <aleksandr.loktionov@xxxxxxxxx>;
> edumazet@xxxxxxxxxx; intel-wired-lan@xxxxxxxxxxxxxxxx;
> kuba@xxxxxxxxxx; Nguyen, Anthony L <anthony.l.nguyen@xxxxxxxxx>;
> pabeni@xxxxxxxxxx; davem@xxxxxxxxxxxxx
> Subject: Re: [Intel-wired-lan] [PATCH iwl-next v2 3/7] i40e:
> Refactor argument of i40e_detect_recover_hung()
> 
> On Wed, Mar 27, 2024 at 1:28 PM Ivan Vecera <ivecera@xxxxxxxxxx>
> wrote:
> >
> > Commit 07d44190a389 ("i40e/i40evf: Detect and recover hung queue
> > scenario") changes i40e_detect_recover_hung() argument type from
> > i40e_pf* to i40e_vsi* to be shareable by both i40e and i40evf.
> > Because the i40evf does not exist anymore and the function is
> > exclusively used by i40e we can revert this change.
> >
> > Reviewed-by: Michal Schmidt <mschmidt@xxxxxxxxxx>
> > Signed-off-by: Ivan Vecera <ivecera@xxxxxxxxxx>
> 
> Reviewed-by: Kalesh AP <kalesh-anakkur.purayil@xxxxxxxxxxxx>
Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@xxxxxxxxx>

> > ---
> >  drivers/net/ethernet/intel/i40e/i40e_main.c |  2 +-
> >  drivers/net/ethernet/intel/i40e/i40e_txrx.c | 10 ++++++----
> >  drivers/net/ethernet/intel/i40e/i40e_txrx.h |  2 +-
> >  3 files changed, 8 insertions(+), 6 deletions(-)
> >
> > diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c
> b/drivers/net/ethernet/intel/i40e/i40e_main.c
> > index 7fed7fb69d4e..1ba28893f49e 100644
> > --- a/drivers/net/ethernet/intel/i40e/i40e_main.c
> > +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
> > @@ -11274,7 +11274,7 @@ static void i40e_service_task(struct
> work_struct *work)
> >                 return;
> >
> >         if (!test_bit(__I40E_RECOVERY_MODE, pf->state)) {
> > -               i40e_detect_recover_hung(pf->vsi[pf->lan_vsi]);
> > +               i40e_detect_recover_hung(pf);
> >                 i40e_sync_filters_subtask(pf);
> >                 i40e_reset_subtask(pf);
> >                 i40e_handle_mdd_event(pf);
> > diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.c
> b/drivers/net/ethernet/intel/i40e/i40e_txrx.c
> > index 1a12b732818e..e35a08de16b2 100644
> > --- a/drivers/net/ethernet/intel/i40e/i40e_txrx.c
> > +++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.c
> > @@ -860,13 +860,15 @@ u32 i40e_get_tx_pending(struct i40e_ring
> *ring, bool in_sw)
> >
> >  /**
> >   * i40e_detect_recover_hung - Function to detect and recover
> hung_queues
> > - * @vsi:  pointer to vsi struct with tx queues
> > + * @pf: pointer to PF struct
> >   *
> > - * VSI has netdev and netdev has TX queues. This function is to
> check each of
> > - * those TX queues if they are hung, trigger recovery by issuing
> SW interrupt.
> > + * LAN VSI has netdev and netdev has TX queues. This function is
> to check
> > + * each of those TX queues if they are hung, trigger recovery by
> issuing
> > + * SW interrupt.
> >   **/
> > -void i40e_detect_recover_hung(struct i40e_vsi *vsi)
> > +void i40e_detect_recover_hung(struct i40e_pf *pf)
> >  {
> > +       struct i40e_vsi *vsi = pf->vsi[pf->lan_vsi];
> >         struct i40e_ring *tx_ring = NULL;
> >         struct net_device *netdev;
> >         unsigned int i;
> > diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.h
> b/drivers/net/ethernet/intel/i40e/i40e_txrx.h
> > index 2cdc7de6301c..7c26c9a2bf65 100644
> > --- a/drivers/net/ethernet/intel/i40e/i40e_txrx.h
> > +++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.h
> > @@ -470,7 +470,7 @@ void i40e_free_rx_resources(struct i40e_ring
> *rx_ring);
> >  int i40e_napi_poll(struct napi_struct *napi, int budget);
> >  void i40e_force_wb(struct i40e_vsi *vsi, struct i40e_q_vector
> *q_vector);
> >  u32 i40e_get_tx_pending(struct i40e_ring *ring, bool in_sw);
> > -void i40e_detect_recover_hung(struct i40e_vsi *vsi);
> > +void i40e_detect_recover_hung(struct i40e_pf *pf);
> >  int __i40e_maybe_stop_tx(struct i40e_ring *tx_ring, int size);
> >  bool __i40e_chk_linearize(struct sk_buff *skb);
> >  int i40e_xdp_xmit(struct net_device *dev, int n, struct
> xdp_frame **frames,
> > --
> > 2.43.0
> >
> >
> 
> 
> --
> Regards,
> Kalesh A P