struct nfp_net_rx_buf *rxbuf, unsigned int dma_off,
unsigned int pkt_len, bool *completed)
{
+ unsigned int dma_map_sz = dp->fl_bufsz - NFP_NET_RX_BUF_NON_DATA;
struct nfp_net_tx_buf *txbuf;
struct nfp_net_tx_desc *txd;
int wr_idx;
+ /* Reject if xdp_adjust_tail grow packet beyond DMA area */
+ if (pkt_len + dma_off > dma_map_sz)
+ return false;
+
if (unlikely(nfp_net_tx_full(tx_ring, 1))) {
if (!*completed) {
nfp_net_xdp_complete(tx_ring);
rcu_read_lock();
xdp_prog = READ_ONCE(dp->xdp_prog);
true_bufsz = xdp_prog ? PAGE_SIZE : dp->fl_bufsz;
+ xdp.frame_sz = PAGE_SIZE - NFP_NET_RX_BUF_HEADROOM;
xdp.rxq = &rx_ring->xdp_rxq;
tx_ring = r_vec->xdp_ring;