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path: root/drivers/net/ethernet/intel/i40e/i40e_xsk.c
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Diffstat (limited to 'drivers/net/ethernet/intel/i40e/i40e_xsk.c')
-rw-r--r--drivers/net/ethernet/intel/i40e/i40e_xsk.c24
1 files changed, 16 insertions, 8 deletions
diff --git a/drivers/net/ethernet/intel/i40e/i40e_xsk.c b/drivers/net/ethernet/intel/i40e/i40e_xsk.c
index 2a1153d8957b..6acede0acdca 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_xsk.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_xsk.c
@@ -258,6 +258,18 @@ static struct sk_buff *i40e_construct_skb_zc(struct i40e_ring *rx_ring,
}
/**
+ * i40e_inc_ntc: Advance the next_to_clean index
+ * @rx_ring: Rx ring
+ **/
+static void i40e_inc_ntc(struct i40e_ring *rx_ring)
+{
+ u32 ntc = rx_ring->next_to_clean + 1;
+
+ ntc = (ntc < rx_ring->count) ? ntc : 0;
+ rx_ring->next_to_clean = ntc;
+}
+
+/**
* i40e_clean_rx_irq_zc - Consumes Rx packets from the hardware ring
* @rx_ring: Rx ring
* @budget: NAPI budget
@@ -269,8 +281,8 @@ int i40e_clean_rx_irq_zc(struct i40e_ring *rx_ring, int budget)
unsigned int total_rx_bytes = 0, total_rx_packets = 0;
u16 cleaned_count = I40E_DESC_UNUSED(rx_ring);
unsigned int xdp_res, xdp_xmit = 0;
- bool failure = false;
struct sk_buff *skb;
+ bool failure;
while (likely(total_rx_packets < (unsigned int)budget)) {
union i40e_rx_desc *rx_desc;
@@ -278,13 +290,6 @@ int i40e_clean_rx_irq_zc(struct i40e_ring *rx_ring, int budget)
unsigned int size;
u64 qword;
- if (cleaned_count >= I40E_RX_BUFFER_WRITE) {
- failure = failure ||
- !i40e_alloc_rx_buffers_zc(rx_ring,
- cleaned_count);
- cleaned_count = 0;
- }
-
rx_desc = I40E_RX_DESC(rx_ring, rx_ring->next_to_clean);
qword = le64_to_cpu(rx_desc->wb.qword1.status_error_len);
@@ -359,6 +364,9 @@ int i40e_clean_rx_irq_zc(struct i40e_ring *rx_ring, int budget)
napi_gro_receive(&rx_ring->q_vector->napi, skb);
}
+ if (cleaned_count >= I40E_RX_BUFFER_WRITE)
+ failure = !i40e_alloc_rx_buffers_zc(rx_ring, cleaned_count);
+
i40e_finalize_xdp_rx(rx_ring, xdp_xmit);
i40e_update_rx_stats(rx_ring, total_rx_bytes, total_rx_packets);