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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.c17
1 files changed, 10 insertions, 7 deletions
diff --git a/drivers/net/ethernet/intel/i40e/i40e_xsk.c b/drivers/net/ethernet/intel/i40e/i40e_xsk.c
index fc32c5019b0f..46d884417c63 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_xsk.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_xsk.c
@@ -160,6 +160,13 @@ static int i40e_run_xdp_zc(struct i40e_ring *rx_ring, struct xdp_buff *xdp)
xdp_prog = READ_ONCE(rx_ring->xdp_prog);
act = bpf_prog_run_xdp(xdp_prog, xdp);
+ if (likely(act == XDP_REDIRECT)) {
+ err = xdp_do_redirect(rx_ring->netdev, xdp, xdp_prog);
+ result = !err ? I40E_XDP_REDIR : I40E_XDP_CONSUMED;
+ rcu_read_unlock();
+ return result;
+ }
+
switch (act) {
case XDP_PASS:
break;
@@ -167,10 +174,6 @@ static int i40e_run_xdp_zc(struct i40e_ring *rx_ring, struct xdp_buff *xdp)
xdp_ring = rx_ring->vsi->xdp_rings[rx_ring->queue_index];
result = i40e_xmit_xdp_tx_ring(xdp, xdp_ring);
break;
- case XDP_REDIRECT:
- err = xdp_do_redirect(rx_ring->netdev, xdp, xdp_prog);
- result = !err ? I40E_XDP_REDIR : I40E_XDP_CONSUMED;
- break;
default:
bpf_warn_invalid_xdp_action(act);
fallthrough;
@@ -471,7 +474,7 @@ static bool i40e_xmit_zc(struct i40e_ring *xdp_ring, unsigned int budget)
nb_pkts = xsk_tx_peek_release_desc_batch(xdp_ring->xsk_pool, descs, budget);
if (!nb_pkts)
- return false;
+ return true;
if (xdp_ring->next_to_use + nb_pkts >= xdp_ring->count) {
nb_processed = xdp_ring->count - xdp_ring->next_to_use;
@@ -488,7 +491,7 @@ static bool i40e_xmit_zc(struct i40e_ring *xdp_ring, unsigned int budget)
i40e_update_tx_stats(xdp_ring, nb_pkts, total_bytes);
- return true;
+ return nb_pkts < budget;
}
/**
@@ -625,7 +628,7 @@ void i40e_xsk_clean_rx_ring(struct i40e_ring *rx_ring)
}
/**
- * i40e_xsk_clean_xdp_ring - Clean the XDP Tx ring on shutdown
+ * i40e_xsk_clean_tx_ring - Clean the XDP Tx ring on shutdown
* @tx_ring: XDP Tx ring
**/
void i40e_xsk_clean_tx_ring(struct i40e_ring *tx_ring)