linux-toradex.git/include/linux/skb_array.h, branch v4.16-rc4 Linux kernel for Apalis and Colibri modules skb_array: use __ptr_ring_empty 2018-01-29T17:02:54+00:00 Michael S. Tsirkin mst@redhat.com 2018-01-25T23:36:36+00:00 f417dc28185d7fdce567821862fcbf9222058cb7 __skb_array_empty should use __ptr_ring_empty since that's the only legal lockless function. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net> 
__skb_array_empty should use __ptr_ring_empty since that's the only
legal lockless function.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net: skb_array: expose peek API 2017-12-08T18:32:26+00:00 John Fastabend john.fastabend@gmail.com 2017-12-07T17:57:59+00:00 4a86a4cf68b4996a656d8c666617e8d839f8f839 This adds a peek routine to skb_array.h for use with qdisc. Signed-off-by: John Fastabend <john.fastabend@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net> 
This adds a peek routine to skb_array.h for use with qdisc.

Signed-off-by: John Fastabend <john.fastabend@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
ptr_ring: use kmalloc_array() 2017-08-16T23:28:47+00:00 Eric Dumazet edumazet@google.com 2017-08-16T17:36:47+00:00 81fbfe8adaf38d4f5a98c19bebfd41c5d6acaee8 As found by syzkaller, malicious users can set whatever tx_queue_len on a tun device and eventually crash the kernel. Lets remove the ALIGN(XXX, SMP_CACHE_BYTES) thing since a small ring buffer is not fast anyway. Fixes: 2e0ab8ca83c1 ("ptr_ring: array based FIFO for pointers") Signed-off-by: Eric Dumazet <edumazet@google.com> Reported-by: Dmitry Vyukov <dvyukov@google.com> Cc: Michael S. Tsirkin <mst@redhat.com> Cc: Jason Wang <jasowang@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net> 
As found by syzkaller, malicious users can set whatever tx_queue_len
on a tun device and eventually crash the kernel.

Lets remove the ALIGN(XXX, SMP_CACHE_BYTES) thing since a small
ring buffer is not fast anyway.

Fixes: 2e0ab8ca83c1 ("ptr_ring: array based FIFO for pointers")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: Dmitry Vyukov <dvyukov@google.com>
Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: Jason Wang <jasowang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
skb_array: introduce batch dequeuing 2017-05-18T14:07:40+00:00 Jason Wang jasowang@redhat.com 2017-05-17T04:14:40+00:00 3528c1a52e7af001e0e387fcb6bac2bdb3775d3e Signed-off-by: Jason Wang <jasowang@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net> 
Signed-off-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
skb_array: introduce skb_array_unconsume 2017-05-18T14:07:39+00:00 Jason Wang jasowang@redhat.com 2017-05-17T04:14:38+00:00 3acb696015a222f4b25c1b5dce4e36b2d4980da6 Signed-off-by: Jason Wang <jasowang@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net> 
Signed-off-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
skb_array: add wrappers for resizing 2016-07-01T09:32:17+00:00 Jason Wang jasowang@redhat.com 2016-06-30T06:45:34+00:00 bf900b3dbefee49855c17aa09fb4245346a78fb3 Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Jason Wang <jasowang@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net> 
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
skb_array: minor tweak 2016-07-01T09:32:16+00:00 Jason Wang jasowang@redhat.com 2016-06-30T06:45:32+00:00 fd68adec9de3104c236ffbcb3bd829d3e635a444 Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Jason Wang <jasowang@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net> 
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
skb_array: resize support 2016-06-15T20:58:27+00:00 Michael S. Tsirkin mst@redhat.com 2016-06-13T20:54:50+00:00 7d7072e3bad5569f636d3c54a36da40976bfd505 Update skb_array after ptr_ring API changes. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Acked-by: Jesper Dangaard Brouer <brouer@redhat.com> Tested-by: Jesper Dangaard Brouer <brouer@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net> 
Update skb_array after ptr_ring API changes.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jesper Dangaard Brouer <brouer@redhat.com>
Tested-by: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
skb_array: array based FIFO for skbs 2016-06-15T20:58:27+00:00 Michael S. Tsirkin mst@redhat.com 2016-06-13T20:54:41+00:00 ad69f35d1dc0a79f86627ca56e01f86512602a49 A simple array based FIFO of pointers. Intended for net stack so uses skbs for type safety. Implemented as a set of wrappers around ptr_ring. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Acked-by: Jesper Dangaard Brouer <brouer@redhat.com> Tested-by: Jesper Dangaard Brouer <brouer@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net> 
A simple array based FIFO of pointers.  Intended for net stack so uses
skbs for type safety. Implemented as a set of wrappers around ptr_ring.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jesper Dangaard Brouer <brouer@redhat.com>
Tested-by: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>