@@ -115,6 +115,7 @@ static void xsk_set_umem_config(struct xsk_umem_config *cfg,
cfg->frame_size = XSK_UMEM__DEFAULT_FRAME_SIZE;
cfg->frame_headroom = XSK_UMEM__DEFAULT_FRAME_HEADROOM;
cfg->flags = XSK_UMEM__DEFAULT_FLAGS;
+ cfg->tx_metadata_len = 0;
return;
}
@@ -123,6 +124,7 @@ static void xsk_set_umem_config(struct xsk_umem_config *cfg,
cfg->frame_size = usr_cfg->frame_size;
cfg->frame_headroom = usr_cfg->frame_headroom;
cfg->flags = usr_cfg->flags;
+ cfg->tx_metadata_len = usr_cfg->tx_metadata_len;
}
static int xsk_set_xdp_socket_config(struct xsk_socket_config *cfg,
@@ -252,6 +254,7 @@ int xsk_umem__create(struct xsk_umem **umem_ptr, void *umem_area,
mr.chunk_size = umem->config.frame_size;
mr.headroom = umem->config.frame_headroom;
mr.flags = umem->config.flags;
+ mr.tx_metadata_len = umem->config.tx_metadata_len;
err = setsockopt(umem->fd, SOL_XDP, XDP_UMEM_REG, &mr, sizeof(mr));
if (err) {
@@ -200,6 +200,7 @@ struct xsk_umem_config {
__u32 frame_size;
__u32 frame_headroom;
__u32 flags;
+ __u32 tx_metadata_len;
};
int xsk_attach_xdp_program(struct bpf_program *prog, int ifindex, u32 xdp_flags);
Add new config field and propagate to umem registration setsockopt. Signed-off-by: Stanislav Fomichev <sdf@google.com> --- tools/testing/selftests/bpf/xsk.c | 3 +++ tools/testing/selftests/bpf/xsk.h | 1 + 2 files changed, 4 insertions(+)