tsnep: Fix mapping for zero copy XDP_TX action

[platform/kernel/linux-starfive.git] / drivers / net / ethernet / engleder / tsnep_main.c

diff --git a/drivers/net/ethernet/engleder/tsnep_main.c b/drivers/net/ethernet/engleder/tsnep_main.c
index 08e113e..4f36b29 100644 (file)
--- a/drivers/net/ethernet/engleder/tsnep_main.c
+++ b/drivers/net/ethernet/engleder/tsnep_main.c
@@ -668,17 +668,25 @@ static void tsnep_xdp_xmit_flush(struct tsnep_tx *tx)
 
 static bool tsnep_xdp_xmit_back(struct tsnep_adapter *adapter,
                                struct xdp_buff *xdp,
-                               struct netdev_queue *tx_nq, struct tsnep_tx *tx)
+                               struct netdev_queue *tx_nq, struct tsnep_tx *tx,
+                               bool zc)
 {
        struct xdp_frame *xdpf = xdp_convert_buff_to_frame(xdp);
        bool xmit;
+       u32 type;
 
        if (unlikely(!xdpf))
                return false;
 
+       /* no page pool for zero copy */
+       if (zc)
+               type = TSNEP_TX_TYPE_XDP_NDO;
+       else
+               type = TSNEP_TX_TYPE_XDP_TX;
+
        __netif_tx_lock(tx_nq, smp_processor_id());
 
-       xmit = tsnep_xdp_xmit_frame_ring(xdpf, tx, TSNEP_TX_TYPE_XDP_TX);
+       xmit = tsnep_xdp_xmit_frame_ring(xdpf, tx, type);
 
        /* Avoid transmit queue timeout since we share it with the slow path */
        if (xmit)
@@ -1222,7 +1230,7 @@ static bool tsnep_xdp_run_prog(struct tsnep_rx *rx, struct bpf_prog *prog,
        case XDP_PASS:
                return false;
        case XDP_TX:
-               if (!tsnep_xdp_xmit_back(rx->adapter, xdp, tx_nq, tx))
+               if (!tsnep_xdp_xmit_back(rx->adapter, xdp, tx_nq, tx, false))
                        goto out_failure;
                *status |= TSNEP_XDP_TX;
                return true;
@@ -1272,7 +1280,7 @@ static bool tsnep_xdp_run_prog_zc(struct tsnep_rx *rx, struct bpf_prog *prog,
        case XDP_PASS:
                return false;
        case XDP_TX:
-               if (!tsnep_xdp_xmit_back(rx->adapter, xdp, tx_nq, tx))
+               if (!tsnep_xdp_xmit_back(rx->adapter, xdp, tx_nq, tx, true))
                        goto out_failure;
                *status |= TSNEP_XDP_TX;
                return true;