[net-next 11/15] i40e: move enabling icr0 into i40e_update_enable_itr
flat view
STALE3337d
REVIEWED: 1 (0M)
From: Jeff Kirsher <hidden>
Date: 2017-08-28 00:16:20
Subsystem:
intel ethernet drivers, networking drivers, the rest · Maintainers:
Tony Nguyen, Przemek Kitszel, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
1 review trailer.
From: Jacob Keller <jacob.e.keller@intel.com> If we don't have MSI-X enabled, we handle interrupts on all icr0. This is a special case, so let's move the conditional into i40e_update_enable_itr() in order to make i40e_napi_poll easier to read about. Signed-off-by: Jacob Keller <jacob.e.keller@intel.com> Tested-by: Andrew Bowers <redacted> Signed-off-by: Jeff Kirsher <redacted> --- drivers/net/ethernet/intel/i40e/i40e_txrx.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.c b/drivers/net/ethernet/intel/i40e/i40e_txrx.c
index 8a969d8f0790..5c1edcce9459 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_txrx.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.c@@ -2243,6 +2243,12 @@ static inline void i40e_update_enable_itr(struct i40e_vsi *vsi, int idx = q_vector->v_idx; int rx_itr_setting, tx_itr_setting; + /* If we don't have MSIX, then we only need to re-enable icr0 */ + if (!(vsi->back->flags & I40E_FLAG_MSIX_ENABLED)) { + i40e_irq_dynamic_enable_icr0(vsi->back, false); + return; + } + vector = (q_vector->v_idx + vsi->base_vector); /* avoid dynamic calculation if in countdown mode OR if
@@ -2396,8 +2402,6 @@ int i40e_napi_poll(struct napi_struct *napi, int budget) */ if (!clean_complete) i40e_force_wb(vsi, q_vector); - else if (!(vsi->back->flags & I40E_FLAG_MSIX_ENABLED)) - i40e_irq_dynamic_enable_icr0(vsi->back, false); else i40e_update_enable_itr(vsi, q_vector);
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2.14.1