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| author | Jesper Dangaard Brouer <brouer@redhat.com> | 2018-04-17 17:45:26 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-04-17 17:50:27 +0300 |
| commit | 5ab073ffd326480a6185d096e9703f62ef92b86c (patch) | |
| tree | a9bcc39ce68cb8ace1f00cf3de8e0276b27845d5 /net/core/xdp.c | |
| parent | 5168d73201898c581d0503434ee9743cfc8f964b (diff) | |
| download | linux-5ab073ffd326480a6185d096e9703f62ef92b86c.tar.xz | |
xdp: introduce xdp_return_frame API and use in cpumap
Introduce an xdp_return_frame API, and convert over cpumap as
the first user, given it have queued XDP frame structure to leverage.
V3: Cleanup and remove C99 style comments, pointed out by Alex Duyck.
V6: Remove comment that id will be added later (Req by Alex Duyck)
V8: Rename enum mem_type to xdp_mem_type (found by kbuild test robot)
Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/core/xdp.c')
| -rw-r--r-- | net/core/xdp.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/net/core/xdp.c b/net/core/xdp.c index 097a0f74e004..7e6b3545277d 100644 --- a/net/core/xdp.c +++ b/net/core/xdp.c @@ -71,3 +71,21 @@ bool xdp_rxq_info_is_reg(struct xdp_rxq_info *xdp_rxq) return (xdp_rxq->reg_state == REG_STATE_REGISTERED); } EXPORT_SYMBOL_GPL(xdp_rxq_info_is_reg); + +int xdp_rxq_info_reg_mem_model(struct xdp_rxq_info *xdp_rxq, + enum xdp_mem_type type, void *allocator) +{ + if (type >= MEM_TYPE_MAX) + return -EINVAL; + + xdp_rxq->mem.type = type; + + if (allocator) + return -EOPNOTSUPP; + + /* TODO: Allocate an ID that maps to allocator pointer + * See: https://www.kernel.org/doc/html/latest/core-api/idr.html + */ + return 0; +} +EXPORT_SYMBOL_GPL(xdp_rxq_info_reg_mem_model); |