diff options
| author | Pavel Begunkov <asml.silence@gmail.com> | 2025-02-04 13:56:19 -0800 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2025-02-06 16:27:31 -0800 |
| commit | 69e39537b66232103633f685b208f293bf9a15b5 (patch) | |
| tree | ca848f5a85135fb942d389e8b1c0610327e74a6b /net/core/devmem.h | |
| parent | f8350a4358fc9c4801f2f4229cf9b6e678055d9a (diff) | |
| download | linux-69e39537b66232103633f685b208f293bf9a15b5.tar.gz linux-69e39537b66232103633f685b208f293bf9a15b5.tar.bz2 linux-69e39537b66232103633f685b208f293bf9a15b5.zip | |
net: prepare for non devmem TCP memory providers
There is a good bunch of places in generic paths assuming that the only
page pool memory provider is devmem TCP. As we want to reuse the net_iov
and provider infrastructure, we need to patch it up and explicitly check
the provider type when we branch into devmem TCP code.
Reviewed-by: Mina Almasry <almasrymina@google.com>
Reviewed-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: David Wei <dw@davidwei.uk>
Link: https://patch.msgid.link/20250204215622.695511-9-dw@davidwei.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/core/devmem.h')
| -rw-r--r-- | net/core/devmem.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/net/core/devmem.h b/net/core/devmem.h index 8e999fe2ae67..7fc158d52729 100644 --- a/net/core/devmem.h +++ b/net/core/devmem.h @@ -115,6 +115,8 @@ struct net_iov * net_devmem_alloc_dmabuf(struct net_devmem_dmabuf_binding *binding); void net_devmem_free_dmabuf(struct net_iov *ppiov); +bool net_is_devmem_iov(struct net_iov *niov); + #else struct net_devmem_dmabuf_binding; @@ -163,6 +165,11 @@ static inline u32 net_devmem_iov_binding_id(const struct net_iov *niov) { return 0; } + +static inline bool net_is_devmem_iov(struct net_iov *niov) +{ + return false; +} #endif #endif /* _NET_DEVMEM_H */ |