On Mon, Jul 3, 2023 at 4:45 PM David Ahern <dsahern@xxxxxxxxxx> wrote: > That is my expectation. The tcpdump is just an easy example of accessing > the skb page frags. skb_copy_and_csum_bits used by icmp is another > example that can walk frags wanting access to device memory. You did not > cause a panic or trip a WARN_ON for example with the tcpdump? > ICMP packets do not land on the queues having devmem buffers, for obvious reasons. Only chosen TCP flows are steered to these queues.
