Re: [PATCH net v3 1/3] net: hsr: privatize interlink-bound skbs before address mutation
- From
- Jakub Kicinski <kuba@kernel.org>
- Date
- 2026-08-14 01:27:45
- Also in
- linux-kselftest
- Reply to
- Xin Xie, 2026-08-08
On Sat, 8 Aug 2026 02:45:22 +0200 Xin Xie wrote:
quoted hunk ↗ jump to hunk
+ if (port->type == HSR_PT_INTERLINK && + (frame->port_rcv->type == HSR_PT_MASTER || + (frame->is_local_dest && !frame->is_local_exclusive)) && + skb_cow(skb, 0)) {
Would skb_cow_head() be sufficient? It's much cheaper, at least for TCP.