This patch set fixes three bugs in the SKB TX path of AF_XDP.
Details in the individual commits.
The structure of the patch set is as follows:
Patch 1: Fix for lost completion message
Patch 2-3: Fix for possible multiple completions of single packet
Patch 4: Fix potential race during error
Changes from v1:
* Added explanation of race in commit message of patch 4.
/Magnus
Magnus Karlsson (4):
xsk: fix potential lost completion message in SKB path
xsk: frame could be completed more than once in SKB path
samples/bpf: deal with EBUSY return code from sendmsg in xdpsock
sample
xsk: fix potential race in SKB TX completion code
include/net/xdp_sock.h | 4 ++++
net/xdp/xsk.c | 10 +++++++---
net/xdp/xsk_queue.h | 9 ++-------
samples/bpf/xdpsock_user.c | 2 +-
4 files changed, 14 insertions(+), 11 deletions(-)
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2.7.4
