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path: root/drivers/net/ethernet
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-rw-r--r--drivers/net/ethernet/freescale/enetc/enetc.c35
1 files changed, 8 insertions, 27 deletions
diff --git a/drivers/net/ethernet/freescale/enetc/enetc.c b/drivers/net/ethernet/freescale/enetc/enetc.c
index 8671591cb750..3a79ead5219a 100644
--- a/drivers/net/ethernet/freescale/enetc/enetc.c
+++ b/drivers/net/ethernet/freescale/enetc/enetc.c
@@ -1489,23 +1489,6 @@ static void enetc_xdp_drop(struct enetc_bdr *rx_ring, int rx_ring_first,
rx_ring->stats.xdp_drops++;
}
-static void enetc_xdp_free(struct enetc_bdr *rx_ring, int rx_ring_first,
- int rx_ring_last)
-{
- while (rx_ring_first != rx_ring_last) {
- struct enetc_rx_swbd *rx_swbd = &rx_ring->rx_swbd[rx_ring_first];
-
- if (rx_swbd->page) {
- dma_unmap_page(rx_ring->dev, rx_swbd->dma, PAGE_SIZE,
- rx_swbd->dir);
- __free_page(rx_swbd->page);
- rx_swbd->page = NULL;
- }
- enetc_bdr_idx_inc(rx_ring, &rx_ring_first);
- }
- rx_ring->stats.xdp_redirect_failures++;
-}
-
static int enetc_clean_rx_ring_xdp(struct enetc_bdr *rx_ring,
struct napi_struct *napi, int work_limit,
struct bpf_prog *prog)
@@ -1527,8 +1510,8 @@ static int enetc_clean_rx_ring_xdp(struct enetc_bdr *rx_ring,
int orig_i, orig_cleaned_cnt;
struct xdp_buff xdp_buff;
struct sk_buff *skb;
- int tmp_orig_i, err;
u32 bd_status;
+ int err;
rxbd = enetc_rxbd(rx_ring, i);
bd_status = le32_to_cpu(rxbd->r.lstatus);
@@ -1615,18 +1598,16 @@ static int enetc_clean_rx_ring_xdp(struct enetc_bdr *rx_ring,
break;
}
- tmp_orig_i = orig_i;
-
- while (orig_i != i) {
- enetc_flip_rx_buff(rx_ring,
- &rx_ring->rx_swbd[orig_i]);
- enetc_bdr_idx_inc(rx_ring, &orig_i);
- }
-
err = xdp_do_redirect(rx_ring->ndev, &xdp_buff, prog);
if (unlikely(err)) {
- enetc_xdp_free(rx_ring, tmp_orig_i, i);
+ enetc_xdp_drop(rx_ring, orig_i, i);
+ rx_ring->stats.xdp_redirect_failures++;
} else {
+ while (orig_i != i) {
+ enetc_flip_rx_buff(rx_ring,
+ &rx_ring->rx_swbd[orig_i]);
+ enetc_bdr_idx_inc(rx_ring, &orig_i);
+ }
xdp_redirect_frm_cnt++;
rx_ring->stats.xdp_redirect++;
}