On Mon, Jul 27, 2020 at 03:44:37PM -0700, Jonathan Lemon wrote: > From: Jonathan Lemon <b...@fb.com> > > Netgpu delivers iovecs to userspace for incoming data, but the > destination queue must be attached to the socket. Do this via > and ioctl call on the socket itself. > > Signed-off-by: Jonathan Lemon <jonathan.le...@gmail.com> > --- > net/ipv4/tcp.c | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c > index 27de9380ed14..261c28ccc8f6 100644 > --- a/net/ipv4/tcp.c > +++ b/net/ipv4/tcp.c > @@ -279,6 +279,7 @@ > #include <linux/uaccess.h> > #include <asm/ioctls.h> > #include <net/busy_poll.h> > +#include <net/netgpu.h> > > struct percpu_counter tcp_orphan_count; > EXPORT_SYMBOL_GPL(tcp_orphan_count); > @@ -636,6 +637,10 @@ int tcp_ioctl(struct sock *sk, int cmd, unsigned long > arg) > answ = READ_ONCE(tp->write_seq) - > READ_ONCE(tp->snd_nxt); > break; > +#if IS_ENABLED(CONFIG_NETGPU) > + case NETGPU_SOCK_IOCTL_ATTACH_QUEUES: /* SIOCPROTOPRIVATE */ > + return netgpu_attach_socket(sk, (void __user *)arg); > +#endif > default: > return -ENOIOCTLCMD; > }
Actually, this is just ugly, so I'm going to rip it out and have it done the other way around: (ctx -> sk) instead of (sk -> ctx), so ignore this. -- Jonathan
