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i40e: Record number TXes cleaned during NAPI

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Update i40e_clean_tx_irq to take an out parameter (tx_cleaned) which stores
the number TXs cleaned.

No XDP related TX code is touched. Care has been taken to avoid changing
the control flow of i40e_clean_tx_irq and i40e_napi_poll.

Signed-off-by: Joe Damato <jdamato@fastly.com>
Acked-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Acked-by: Sridhar Samudrala <sridhar.samudrala@intel.com>
Tested-by: Gurucharan <gurucharanx.g@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
This commit is contained in:
Joe Damato
2022-10-07 14:38:41 -07:00
committed by Tony Nguyen
parent 6b85a4f39f
commit 8c1a595cc6
1 changed files with 8 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
drivers/net/ethernet/intel/i40e/i40e_txrx.c
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@@ -923,11 +923,13 @@ void i40e_detect_recover_hung(struct i40e_vsi *vsi)
* @vsi: the VSI we care about
* @tx_ring: Tx ring to clean
* @napi_budget: Used to determine if we are in netpoll
* @tx_cleaned: Out parameter set to the number of TXes cleaned
*
* Returns true if there's any budget left (e.g. the clean is finished)
**/
static bool i40e_clean_tx_irq(struct i40e_vsi *vsi,
struct i40e_ring *tx_ring, int napi_budget)
struct i40e_ring *tx_ring, int napi_budget,
unsigned int *tx_cleaned)
{
int i = tx_ring->next_to_clean;
struct i40e_tx_buffer *tx_buf;
@@ -1048,6 +1050,7 @@ static bool i40e_clean_tx_irq(struct i40e_vsi *vsi,
}
}
*tx_cleaned = total_packets;
return !!budget;
}
@@ -2689,6 +2692,8 @@ int i40e_napi_poll(struct napi_struct *napi, int budget)
container_of(napi, struct i40e_q_vector, napi);
struct i40e_vsi *vsi = q_vector->vsi;
struct i40e_ring *ring;
bool tx_clean_complete = true;
unsigned int tx_cleaned = 0;
bool clean_complete = true;
bool arm_wb = false;
int budget_per_ring;
@@ -2705,10 +2710,10 @@ int i40e_napi_poll(struct napi_struct *napi, int budget)
i40e_for_each_ring(ring, q_vector->tx) {
bool wd = ring->xsk_pool ?
i40e_clean_xdp_tx_irq(vsi, ring) :
i40e_clean_tx_irq(vsi, ring, budget);
i40e_clean_tx_irq(vsi, ring, budget, &tx_cleaned);
if (!wd) {
clean_complete = false;
clean_complete = tx_clean_complete = false;
continue;
}
arm_wb |= ring->arm_wb;