diff options
Diffstat (limited to 'drivers/net/ethernet/intel/ixgbe/ixgbe_xsk.c')
| -rw-r--r-- | drivers/net/ethernet/intel/ixgbe/ixgbe_xsk.c | 22 |
1 files changed, 12 insertions, 10 deletions
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_xsk.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_xsk.c index 91ad5b902673..b1d22e4d5ec9 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_xsk.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_xsk.c @@ -52,8 +52,11 @@ static int ixgbe_xsk_pool_enable(struct ixgbe_adapter *adapter, /* Kick start the NAPI context so that receiving will start */ err = ixgbe_xsk_wakeup(adapter->netdev, qid, XDP_WAKEUP_RX); - if (err) + if (err) { + clear_bit(qid, adapter->af_xdp_zc_qps); + xsk_pool_dma_unmap(pool, IXGBE_RX_DMA_ATTR); return err; + } } return 0; @@ -100,15 +103,14 @@ static int ixgbe_run_xdp_zc(struct ixgbe_adapter *adapter, struct xdp_frame *xdpf; u32 act; - rcu_read_lock(); 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 ? IXGBE_XDP_REDIR : IXGBE_XDP_CONSUMED; - rcu_read_unlock(); - return result; + if (err) + goto out_failure; + return IXGBE_XDP_REDIR; } switch (act) { @@ -116,23 +118,23 @@ static int ixgbe_run_xdp_zc(struct ixgbe_adapter *adapter, break; case XDP_TX: xdpf = xdp_convert_buff_to_frame(xdp); - if (unlikely(!xdpf)) { - result = IXGBE_XDP_CONSUMED; - break; - } + if (unlikely(!xdpf)) + goto out_failure; result = ixgbe_xmit_xdp_ring(adapter, xdpf); + if (result == IXGBE_XDP_CONSUMED) + goto out_failure; break; default: bpf_warn_invalid_xdp_action(act); fallthrough; case XDP_ABORTED: +out_failure: trace_xdp_exception(rx_ring->netdev, xdp_prog, act); fallthrough; /* handle aborts by dropping packet */ case XDP_DROP: result = IXGBE_XDP_CONSUMED; break; } - rcu_read_unlock(); return result; } |