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authorBjörn Töpel <bjorn.topel@intel.com>2020-11-30 21:52:01 +0300
committerDaniel Borkmann <daniel@iogearbox.net>2020-12-01 02:09:25 +0300
commitb02e5a0ebb172c8276cea3151942aac681f7a4a6 (patch)
tree26024949ee1ced1a783b2128cc8ca8cfa904c29b /include/net/xdp.h
parenta0731952d9cddc9c11a8352922f449e6ab2f7537 (diff)
downloadlinux-b02e5a0ebb172c8276cea3151942aac681f7a4a6.tar.xz
xsk: Propagate napi_id to XDP socket Rx path
Add napi_id to the xdp_rxq_info structure, and make sure the XDP socket pick up the napi_id in the Rx path. The napi_id is used to find the corresponding NAPI structure for socket busy polling. Signed-off-by: Björn Töpel <bjorn.topel@intel.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Ilias Apalodimas <ilias.apalodimas@linaro.org> Acked-by: Michael S. Tsirkin <mst@redhat.com> Acked-by: Tariq Toukan <tariqt@nvidia.com> Link: https://lore.kernel.org/bpf/20201130185205.196029-7-bjorn.topel@gmail.com
Diffstat (limited to 'include/net/xdp.h')
-rw-r--r--include/net/xdp.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/include/net/xdp.h b/include/net/xdp.h
index 7d48b2ae217a..700ad5db7f5d 100644
--- a/include/net/xdp.h
+++ b/include/net/xdp.h
@@ -59,6 +59,7 @@ struct xdp_rxq_info {
u32 queue_index;
u32 reg_state;
struct xdp_mem_info mem;
+ unsigned int napi_id;
} ____cacheline_aligned; /* perf critical, avoid false-sharing */
struct xdp_txq_info {
@@ -226,7 +227,7 @@ static inline void xdp_release_frame(struct xdp_frame *xdpf)
}
int xdp_rxq_info_reg(struct xdp_rxq_info *xdp_rxq,
- struct net_device *dev, u32 queue_index);
+ struct net_device *dev, u32 queue_index, unsigned int napi_id);
void xdp_rxq_info_unreg(struct xdp_rxq_info *xdp_rxq);
void xdp_rxq_info_unused(struct xdp_rxq_info *xdp_rxq);
bool xdp_rxq_info_is_reg(struct xdp_rxq_info *xdp_rxq);