diff options
Diffstat (limited to 'drivers/net/ethernet/qlogic/qede/qede_fp.c')
| -rw-r--r-- | drivers/net/ethernet/qlogic/qede/qede_fp.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/drivers/net/ethernet/qlogic/qede/qede_fp.c b/drivers/net/ethernet/qlogic/qede/qede_fp.c index e382d4bdf430..961b1d36b9eb 100644 --- a/drivers/net/ethernet/qlogic/qede/qede_fp.c +++ b/drivers/net/ethernet/qlogic/qede/qede_fp.c @@ -994,14 +994,14 @@ static bool qede_rx_xdp(struct qede_dev *edev, struct bpf_prog *prog, struct sw_rx_data *bd, struct eth_fast_path_rx_reg_cqe *cqe, - u16 data_offset) + u16 *data_offset, u16 *len) { - u16 len = le16_to_cpu(cqe->len_on_first_bd); struct xdp_buff xdp; enum xdp_action act; - xdp.data = page_address(bd->data) + data_offset; - xdp.data_end = xdp.data + len; + xdp.data_hard_start = page_address(bd->data); + xdp.data = xdp.data_hard_start + *data_offset; + xdp.data_end = xdp.data + *len; /* Queues always have a full reset currently, so for the time * being until there's atomic program replace just mark read @@ -1011,6 +1011,10 @@ static bool qede_rx_xdp(struct qede_dev *edev, act = bpf_prog_run_xdp(prog, &xdp); rcu_read_unlock(); + /* Recalculate, as XDP might have changed the headers */ + *data_offset = xdp.data - xdp.data_hard_start; + *len = xdp.data_end - xdp.data; + if (act == XDP_PASS) return true; @@ -1029,7 +1033,7 @@ static bool qede_rx_xdp(struct qede_dev *edev, /* Now if there's a transmission problem, we'd still have to * throw current buffer, as replacement was already allocated. */ - if (qede_xdp_xmit(edev, fp, bd, data_offset, len)) { + if (qede_xdp_xmit(edev, fp, bd, *data_offset, *len)) { dma_unmap_page(rxq->dev, bd->mapping, PAGE_SIZE, DMA_BIDIRECTIONAL); __free_page(bd->data); @@ -1231,7 +1235,8 @@ static int qede_rx_process_cqe(struct qede_dev *edev, /* Run eBPF program if one is attached */ if (xdp_prog) - if (!qede_rx_xdp(edev, fp, rxq, xdp_prog, bd, fp_cqe, pad)) + if (!qede_rx_xdp(edev, fp, rxq, xdp_prog, bd, fp_cqe, + &pad, &len)) return 0; /* If this is an error packet then drop it */ |