diff options
| author |   Björn Töpel <bjorn.topel@intel.com> | 2018-08-28 14:44:27 +0200 |
|---|---|---|
| committer |   Alexei Starovoitov <ast@kernel.org> | 2018-08-29 12:25:53 -0700 |
| commit | 902540342096af8a13351f6a22bfdd7a8e19ffd2 (patch) | |
| tree | e11f5b7bc76f539a64bdf7eec608963ab953027f /net/xdp | |
| parent | xdp: export xdp_rxq_info_unreg_mem_model (diff) | |
| download | linux-dev-902540342096af8a13351f6a22bfdd7a8e19ffd2.tar.xz linux-dev-902540342096af8a13351f6a22bfdd7a8e19ffd2.zip | |
xsk: expose xdp_umem_get_{data,dma} to drivers
Move the xdp_umem_get_{data,dma} functions to include/net/xdp_sock.h,
so that the upcoming zero-copy implementation in the Ethernet drivers
can utilize them.
Also, supply some dummy function implementations for
CONFIG_XDP_SOCKETS=n configs.
Signed-off-by: Björn Töpel <bjorn.topel@intel.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'net/xdp')
| -rw-r--r-- | net/xdp/xdp_umem.h | 10 |
1 files changed, 0 insertions, 10 deletions
diff --git a/net/xdp/xdp_umem.h b/net/xdp/xdp_umem.h index f11560334f88..c8be1ad3eb88 100644 --- a/net/xdp/xdp_umem.h +++ b/net/xdp/xdp_umem.h @@ -8,16 +8,6 @@ #include <net/xdp_sock.h> -static inline char *xdp_umem_get_data(struct xdp_umem *umem, u64 addr) -{ - return umem->pages[addr >> PAGE_SHIFT].addr + (addr & (PAGE_SIZE - 1)); -} - -static inline dma_addr_t xdp_umem_get_dma(struct xdp_umem *umem, u64 addr) -{ - return umem->pages[addr >> PAGE_SHIFT].dma + (addr & (PAGE_SIZE - 1)); -} - int xdp_umem_assign_dev(struct xdp_umem *umem, struct net_device *dev, u32 queue_id, u16 flags); bool xdp_umem_validate_queues(struct xdp_umem *umem); |