xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

net: Add asynchronous callbacks for xfrm on layer 2.

Browse Source 
This patch implements asynchronous crypto callbacks
and a backlog handler that can be used when IPsec
is done at layer 2 in the TX path. It also extends
the skb validate functions so that we can update
the driver transmit return codes based on async
crypto operation or to indicate that we queued the
packet in a backlog queue.

Joint work with: Aviv Heller <avivh@mellanox.com>

Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
This commit is contained in:
Steffen Klassert
2017-12-20 10:41:36 +01:00
parent 3dca3f38cf
commit f53c723902
8 changed files with 175 additions and 36 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
net/packet/af_packet.c
View File

@@ -247,12 +247,13 @@ static int packet_direct_xmit(struct sk_buff *skb)
struct sk_buff *orig_skb = skb;
struct netdev_queue *txq;
int ret = NETDEV_TX_BUSY;
bool again = false;
if (unlikely(!netif_running(dev) ||
!netif_carrier_ok(dev)))
goto drop;
skb = validate_xmit_skb_list(skb, dev);
skb = validate_xmit_skb_list(skb, dev, &again);
if (skb != orig_skb)
goto drop;