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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.c52
1 files changed, 25 insertions, 27 deletions
diff --git a/drivers/net/ethernet/intel/i40e/i40e_xsk.c b/drivers/net/ethernet/intel/i40e/i40e_xsk.c
index e7e778ca074c..ea06e957393e 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_xsk.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_xsk.c
@@ -193,42 +193,40 @@ bool i40e_alloc_rx_buffers_zc(struct i40e_ring *rx_ring, u16 count)
{
u16 ntu = rx_ring->next_to_use;
union i40e_rx_desc *rx_desc;
- struct xdp_buff **bi, *xdp;
+ struct xdp_buff **xdp;
+ u32 nb_buffs, i;
dma_addr_t dma;
- bool ok = true;
rx_desc = I40E_RX_DESC(rx_ring, ntu);
- bi = i40e_rx_bi(rx_ring, ntu);
- do {
- xdp = xsk_buff_alloc(rx_ring->xsk_pool);
- if (!xdp) {
- ok = false;
- goto no_buffers;
- }
- *bi = xdp;
- dma = xsk_buff_xdp_get_dma(xdp);
+ xdp = i40e_rx_bi(rx_ring, ntu);
+
+ nb_buffs = min_t(u16, count, rx_ring->count - ntu);
+ nb_buffs = xsk_buff_alloc_batch(rx_ring->xsk_pool, xdp, nb_buffs);
+ if (!nb_buffs)
+ return false;
+
+ i = nb_buffs;
+ while (i--) {
+ dma = xsk_buff_xdp_get_dma(*xdp);
rx_desc->read.pkt_addr = cpu_to_le64(dma);
rx_desc->read.hdr_addr = 0;
rx_desc++;
- bi++;
- ntu++;
-
- if (unlikely(ntu == rx_ring->count)) {
- rx_desc = I40E_RX_DESC(rx_ring, 0);
- bi = i40e_rx_bi(rx_ring, 0);
- ntu = 0;
- }
- } while (--count);
+ xdp++;
+ }
-no_buffers:
- if (rx_ring->next_to_use != ntu) {
- /* clear the status bits for the next_to_use descriptor */
- rx_desc->wb.qword1.status_error_len = 0;
- i40e_release_rx_desc(rx_ring, ntu);
+ ntu += nb_buffs;
+ if (ntu == rx_ring->count) {
+ rx_desc = I40E_RX_DESC(rx_ring, 0);
+ xdp = i40e_rx_bi(rx_ring, 0);
+ ntu = 0;
}
- return ok;
+ /* clear the status bits for the next_to_use descriptor */
+ rx_desc->wb.qword1.status_error_len = 0;
+ i40e_release_rx_desc(rx_ring, ntu);
+
+ return count == nb_buffs;
}
/**
@@ -365,7 +363,7 @@ int i40e_clean_rx_irq_zc(struct i40e_ring *rx_ring, int budget)
break;
bi = *i40e_rx_bi(rx_ring, next_to_clean);
- bi->data_end = bi->data + size;
+ xsk_buff_set_size(bi, size);
xsk_buff_dma_sync_for_cpu(bi, rx_ring->xsk_pool);
xdp_res = i40e_run_xdp_zc(rx_ring, bi);