[Devel] [PATCH rh7 00/11] Backort of "Handle multiple received packets at each stage"

[Kirill Tkhai]

On 9/10/18 6:39 PM, Andrey Ryabinin wrote:
> Backport of 2d1b138505dc29bbd7ac5f82f5a10635ff48bddb ("Handle multiple received packets at each stage")
> The main differencies from upstream is that our NF_HOOK() doesn't have 'struct net *net'
> argument, so I simply dropped it.
> The other thing is that we don't have generic XDP, so the hunk realted
> to this feature ifdef'ed out in patch "net: core: Another step of skb receive list processing".
> 
> Andrey Ryabinin (1):
>   net/skbuff: Add ->list to struct sk_buff;
> 
> Edward Cree (9):
>   net: core: trivial netif_receive_skb_list() entry point
>   sfc: batch up RX delivery
>   net: core: unwrap skb list receive slightly further
>   net: core: Another step of skb receive list processing
>   net: core: another layer of lists, around PF_MEMALLOC skb handling
>   net: core: propagate SKB lists through packet_type lookup
>   net: ipv4: listified version of ip_rcv
>   net: ipv4: listify ip_rcv_finish
>   net: don't bother calling list RX functions on empty lists
> 
> Vlastimil Babka (1):
>   mm: introduce memalloc_noreclaim_{save,restore}
> 
>  drivers/net/ethernet/sfc/efx.c        |  12 +++
>  drivers/net/ethernet/sfc/net_driver.h |   3 +
>  drivers/net/ethernet/sfc/rx.c         |   7 +-
>  include/linux/list.h                  |  30 ++++++
>  include/linux/netdevice.h             |   4 +
>  include/linux/netfilter.h             |  23 +++++
>  include/linux/sched/mm.h              |  12 +++
>  include/linux/skbuff.h                |   1 +
>  include/net/ip.h                      |   2 +
>  include/trace/events/net.h            |   7 ++
>  mm/page_alloc.c                       |   6 +-
>  mm/vmscan.c                           |  15 ++-
>  net/core/dev.c                        | 175 +++++++++++++++++++++++++++++++++-
>  net/ipv4/af_inet.c                    |   1 +
>  net/ipv4/ip_input.c                   | 125 +++++++++++++++++++++---
>  15 files changed, 397 insertions(+), 26 deletions(-)

Looks OK for me. The only thing is it is implemented for only driver sfc
at the moment even in mainstream. But someone may be working for support
in the rest of drivers at the moment, so we'll pick new patches, when they
are ready.

Kirill