On Tue, Jul 2, 2024 at 8:25 AM Arnd Bergmann wrote:
>
> On Fri, Jun 28, 2024, at 02:32, Mina Almasry wrote:
> > --- a/arch/alpha/include/uapi/asm/socket.h
> > +++ b/arch/alpha/include/uapi/asm/socket.h
> > @@ -140,6 +140,11 @@
> > #define SO_PASSPIDFD 76
> > #define SO_PEERPIDFD
On Fri, Jun 28, 2024, at 02:32, Mina Almasry wrote:
> --- a/arch/alpha/include/uapi/asm/socket.h
> +++ b/arch/alpha/include/uapi/asm/socket.h
> @@ -140,6 +140,11 @@
> #define SO_PASSPIDFD 76
> #define SO_PEERPIDFD 77
>
> +#define SO_DEVMEM_LINEAR 78
> +#define SCM_DEVMEM_LINE
On 6/28/24 01:32, Mina Almasry wrote:
In tcp_recvmsg_locked(), detect if the skb being received by the user
is a devmem skb. In this case - if the user provided the MSG_SOCK_DEVMEM
flag - pass it to tcp_recvmsg_devmem() for custom handling.
tcp_recvmsg_devmem() copies any data in the skb header
On Fri, Jun 28, 2024 at 2:33 AM Mina Almasry wrote:
>
> In tcp_recvmsg_locked(), detect if the skb being received by the user
> is a devmem skb. In this case - if the user provided the MSG_SOCK_DEVMEM
> flag - pass it to tcp_recvmsg_devmem() for custom handling.
>
> tcp_recvmsg_devmem() copies any
In tcp_recvmsg_locked(), detect if the skb being received by the user
is a devmem skb. In this case - if the user provided the MSG_SOCK_DEVMEM
flag - pass it to tcp_recvmsg_devmem() for custom handling.
tcp_recvmsg_devmem() copies any data in the skb header to the linear
buffer, and returns a cmsg
