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authorMagnus Karlsson <magnus.karlsson@intel.com>2020-08-28 10:26:18 +0200
committerDaniel Borkmann <daniel@iogearbox.net>2020-08-31 21:15:04 +0200
commit7361f9c3d71955c624fdad5676c99fc88a8249e9 (patch)
treee4b32a5a66952ce1ca37a0ec74b304cc552e9d77 /net/xdp/xsk_diag.c
parent1c1efc2af158869795d3334a12fed2afd9c51539 (diff)
xsk: Move fill and completion rings to buffer pool
Move the fill and completion rings from the umem to the buffer pool. This so that we in a later commit can share the umem between multiple HW queue ids. In this case, we need one fill and completion ring per queue id. As the buffer pool is per queue id and napi id this is a natural place for it and one umem struture can be shared between these buffer pools. Signed-off-by: Magnus Karlsson <magnus.karlsson@intel.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Björn Töpel <bjorn.topel@intel.com> Link: https://lore.kernel.org/bpf/1598603189-32145-5-git-send-email-magnus.karlsson@intel.com
Diffstat (limited to 'net/xdp/xsk_diag.c')
-rw-r--r--net/xdp/xsk_diag.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/net/xdp/xsk_diag.c b/net/xdp/xsk_diag.c
index 21e9c2d123ee..52675ea067bf 100644
--- a/net/xdp/xsk_diag.c
+++ b/net/xdp/xsk_diag.c
@@ -46,6 +46,7 @@ static int xsk_diag_put_rings_cfg(const struct xdp_sock *xs,
static int xsk_diag_put_umem(const struct xdp_sock *xs, struct sk_buff *nlskb)
{
+ struct xsk_buff_pool *pool = xs->pool;
struct xdp_umem *umem = xs->umem;
struct xdp_diag_umem du = {};
int err;
@@ -67,10 +68,11 @@ static int xsk_diag_put_umem(const struct xdp_sock *xs, struct sk_buff *nlskb)
err = nla_put(nlskb, XDP_DIAG_UMEM, sizeof(du), &du);
- if (!err && umem->fq)
- err = xsk_diag_put_ring(umem->fq, XDP_DIAG_UMEM_FILL_RING, nlskb);
- if (!err && umem->cq) {
- err = xsk_diag_put_ring(umem->cq, XDP_DIAG_UMEM_COMPLETION_RING,
+ if (!err && pool->fq)
+ err = xsk_diag_put_ring(pool->fq,
+ XDP_DIAG_UMEM_FILL_RING, nlskb);
+ if (!err && pool->cq) {
+ err = xsk_diag_put_ring(pool->cq, XDP_DIAG_UMEM_COMPLETION_RING,
nlskb);
}
return err;
@@ -83,7 +85,7 @@ static int xsk_diag_put_stats(const struct xdp_sock *xs, struct sk_buff *nlskb)
du.n_rx_dropped = xs->rx_dropped;
du.n_rx_invalid = xskq_nb_invalid_descs(xs->rx);
du.n_rx_full = xs->rx_queue_full;
- du.n_fill_ring_empty = xs->umem ? xskq_nb_queue_empty_descs(xs->umem->fq) : 0;
+ du.n_fill_ring_empty = xs->pool ? xskq_nb_queue_empty_descs(xs->pool->fq) : 0;
du.n_tx_invalid = xskq_nb_invalid_descs(xs->tx);
du.n_tx_ring_empty = xskq_nb_queue_empty_descs(xs->tx);
return nla_put(nlskb, XDP_DIAG_STATS, sizeof(du), &du);