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| author |   Magnus Karlsson <magnus.karlsson@intel.com> | 2018-05-02 13:01:35 +0200 |
|---|---|---|
| committer |   Alexei Starovoitov <ast@kernel.org> | 2018-05-03 15:55:25 -0700 |
| commit | af75d9e02d08dc55ce6a1e42e485465c630d7349 (patch) | |
| tree | 7185c5ca061b68c48b239ae8d2df958ac19223a8 /net/xdp/xsk_queue.h | |
| parent | xsk: support for Tx (diff) | |
| download | linux-dev-af75d9e02d08dc55ce6a1e42e485465c630d7349.tar.xz linux-dev-af75d9e02d08dc55ce6a1e42e485465c630d7349.zip | |
xsk: statistics support
In this commit, a new getsockopt is added: XDP_STATISTICS. This is
used to obtain stats from the sockets.
v2: getsockopt now returns size of stats structure.
Signed-off-by: Magnus Karlsson <magnus.karlsson@intel.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'net/xdp/xsk_queue.h')
| -rw-r--r-- | net/xdp/xsk_queue.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/net/xdp/xsk_queue.h b/net/xdp/xsk_queue.h index 3497e8808608..7aa9a535db0e 100644 --- a/net/xdp/xsk_queue.h +++ b/net/xdp/xsk_queue.h @@ -36,6 +36,11 @@ struct xsk_queue { /* Common functions operating for both RXTX and umem queues */ +static inline u64 xskq_nb_invalid_descs(struct xsk_queue *q) +{ + return q ? q->invalid_descs : 0; +} + static inline u32 xskq_nb_avail(struct xsk_queue *q, u32 dcnt) { u32 entries = q->prod_tail - q->cons_tail; |