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path: root/drivers/net/ethernet/intel/i40e/i40e_txrx.c
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Diffstat (limited to 'drivers/net/ethernet/intel/i40e/i40e_txrx.c')
-rw-r--r--drivers/net/ethernet/intel/i40e/i40e_txrx.c31
1 files changed, 18 insertions, 13 deletions
diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.c b/drivers/net/ethernet/intel/i40e/i40e_txrx.c
index 8ffb7454e67c..b151ae316546 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_txrx.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.c
@@ -2103,9 +2103,8 @@ static struct sk_buff *i40e_build_skb(struct i40e_ring *rx_ring,
unsigned int truesize = i40e_rx_pg_size(rx_ring) / 2;
#else
unsigned int truesize = SKB_DATA_ALIGN(sizeof(struct skb_shared_info)) +
- SKB_DATA_ALIGN(I40E_SKB_PAD +
- (xdp->data_end -
- xdp->data_hard_start));
+ SKB_DATA_ALIGN(xdp->data_end -
+ xdp->data_hard_start);
#endif
struct sk_buff *skb;
@@ -2124,7 +2123,7 @@ static struct sk_buff *i40e_build_skb(struct i40e_ring *rx_ring,
return NULL;
/* update pointers within the skb to store the data */
- skb_reserve(skb, I40E_SKB_PAD + (xdp->data - xdp->data_hard_start));
+ skb_reserve(skb, xdp->data - xdp->data_hard_start);
__skb_put(skb, xdp->data_end - xdp->data);
if (metasize)
skb_metadata_set(skb, metasize);
@@ -2200,9 +2199,10 @@ static bool i40e_is_non_eop(struct i40e_ring *rx_ring,
return true;
}
-#define I40E_XDP_PASS 0
-#define I40E_XDP_CONSUMED 1
-#define I40E_XDP_TX 2
+#define I40E_XDP_PASS 0
+#define I40E_XDP_CONSUMED BIT(0)
+#define I40E_XDP_TX BIT(1)
+#define I40E_XDP_REDIR BIT(2)
static int i40e_xmit_xdp_ring(struct xdp_frame *xdpf,
struct i40e_ring *xdp_ring);
@@ -2249,7 +2249,7 @@ static struct sk_buff *i40e_run_xdp(struct i40e_ring *rx_ring,
break;
case XDP_REDIRECT:
err = xdp_do_redirect(rx_ring->netdev, xdp, xdp_prog);
- result = !err ? I40E_XDP_TX : I40E_XDP_CONSUMED;
+ result = !err ? I40E_XDP_REDIR : I40E_XDP_CONSUMED;
break;
default:
bpf_warn_invalid_xdp_action(act);
@@ -2312,7 +2312,8 @@ static int i40e_clean_rx_irq(struct i40e_ring *rx_ring, int budget)
unsigned int total_rx_bytes = 0, total_rx_packets = 0;
struct sk_buff *skb = rx_ring->skb;
u16 cleaned_count = I40E_DESC_UNUSED(rx_ring);
- bool failure = false, xdp_xmit = false;
+ unsigned int xdp_xmit = 0;
+ bool failure = false;
struct xdp_buff xdp;
xdp.rxq = &rx_ring->xdp_rxq;
@@ -2373,8 +2374,10 @@ static int i40e_clean_rx_irq(struct i40e_ring *rx_ring, int budget)
}
if (IS_ERR(skb)) {
- if (PTR_ERR(skb) == -I40E_XDP_TX) {
- xdp_xmit = true;
+ unsigned int xdp_res = -PTR_ERR(skb);
+
+ if (xdp_res & (I40E_XDP_TX | I40E_XDP_REDIR)) {
+ xdp_xmit |= xdp_res;
i40e_rx_buffer_flip(rx_ring, rx_buffer, size);
} else {
rx_buffer->pagecnt_bias++;
@@ -2428,12 +2431,14 @@ static int i40e_clean_rx_irq(struct i40e_ring *rx_ring, int budget)
total_rx_packets++;
}
- if (xdp_xmit) {
+ if (xdp_xmit & I40E_XDP_REDIR)
+ xdp_do_flush_map();
+
+ if (xdp_xmit & I40E_XDP_TX) {
struct i40e_ring *xdp_ring =
rx_ring->vsi->xdp_rings[rx_ring->queue_index];
i40e_xdp_ring_update_tail(xdp_ring);
- xdp_do_flush_map();
}
rx_ring->skb = skb;