On Tue, 30 Mar 2021 10:49:48 +0800 Ong Boon Leong wrote:
> + __netif_tx_lock(nq, cpu);
> + res = stmmac_xdp_xmit_xdpf(priv, queue, xdpf);
> + if (res == STMMAC_XDP_TX) {
> + stmmac_flush_tx_descriptors(priv, queue);
> + stmmac_tx_timer_arm(priv, queue);
> +
This patch adds support for XDP_TX action which enables XDP program to
transmit back received frames.
This patch has been tested with the "xdp2" app located in samples/bpf
dir. The DUT receives burst traffic packet generated using pktgen script
'pktgen_sample03_burst_single_flow.sh'.
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