Use napi_consume_skb to hand skbs back to the NAPI cache. This closes the loop with changes to the Rx path.
Signed-off-by: Matt Vollrath <[email protected]> Assisted-by: Claude:claude-5-fable --- drivers/net/ethernet/intel/e1000e/netdev.c | 18 ++++++++++-------- 1 file changed, 10 insertions(+), 8 deletions(-) diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c index c906175ad38d..a28ee0750f4b 100644 --- a/drivers/net/ethernet/intel/e1000e/netdev.c +++ b/drivers/net/ethernet/intel/e1000e/netdev.c @@ -713,7 +713,7 @@ static struct sk_buff *e1000_build_rx_skb(const struct libeth_fqe *fqe, static void e1000_put_txbuf(struct e1000_ring *tx_ring, struct e1000_buffer *buffer_info, - bool drop) + bool drop, int budget) { struct e1000_adapter *adapter = tx_ring->adapter; @@ -730,7 +730,7 @@ static void e1000_put_txbuf(struct e1000_ring *tx_ring, if (drop) dev_kfree_skb_any(buffer_info->skb); else - dev_consume_skb_any(buffer_info->skb); + napi_consume_skb(buffer_info->skb, budget); buffer_info->skb = NULL; } buffer_info->time_stamp = 0; @@ -860,11 +860,12 @@ static void e1000e_tx_hwtstamp_work(struct work_struct *work) /** * e1000_clean_tx_irq - Reclaim resources after transmit completes * @tx_ring: Tx descriptor ring + * @napi_budget: NAPI polling budget, or 0 when called outside NAPI context * * the return value indicates whether actual cleaning was done, there * is no guarantee that everything was cleaned **/ -static bool e1000_clean_tx_irq(struct e1000_ring *tx_ring) +static bool e1000_clean_tx_irq(struct e1000_ring *tx_ring, int napi_budget) { struct e1000_adapter *adapter = tx_ring->adapter; struct net_device *netdev = adapter->netdev; @@ -899,7 +900,8 @@ static bool e1000_clean_tx_irq(struct e1000_ring *tx_ring) } } - e1000_put_txbuf(tx_ring, buffer_info, false); + e1000_put_txbuf(tx_ring, buffer_info, false, + napi_budget); tx_desc->upper.data = 0; i++; @@ -1340,7 +1342,7 @@ static irqreturn_t e1000_intr_msix_tx(int __always_unused irq, void *data) adapter->total_tx_bytes = 0; adapter->total_tx_packets = 0; - if (!e1000_clean_tx_irq(tx_ring)) + if (!e1000_clean_tx_irq(tx_ring, 0)) /* Ring was not completely cleaned, so fire another interrupt */ ew32(ICS, tx_ring->ims_val); @@ -1816,7 +1818,7 @@ static void e1000_clean_tx_ring(struct e1000_ring *tx_ring) for (i = 0; i < tx_ring->count; i++) { buffer_info = &tx_ring->buffer_info[i]; - e1000_put_txbuf(tx_ring, buffer_info, false); + e1000_put_txbuf(tx_ring, buffer_info, false, 0); } netdev_reset_queue(adapter->netdev); @@ -2060,7 +2062,7 @@ static int e1000e_poll(struct napi_struct *napi, int budget) if (!adapter->msix_entries || (adapter->rx_ring->ims_val & adapter->tx_ring->ims_val)) - tx_cleaned = e1000_clean_tx_irq(adapter->tx_ring); + tx_cleaned = e1000_clean_tx_irq(adapter->tx_ring, budget); e1000_clean_rx_irq(adapter->rx_ring, &work_done, budget); @@ -5019,7 +5021,7 @@ static int e1000_tx_map(struct e1000_ring *tx_ring, struct sk_buff *skb, i += tx_ring->count; i--; buffer_info = &tx_ring->buffer_info[i]; - e1000_put_txbuf(tx_ring, buffer_info, true); + e1000_put_txbuf(tx_ring, buffer_info, true, 0); } return 0; -- 2.43.0
