Re: [RFC Optimizing veth xsk performance 04/10] xsk: add xsk_tx_completed_addr function
From: Simon Horman <horms@kernel.org>
Date: 2023-08-04 20:46:39
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bpf, lkml
On Thu, Aug 03, 2023 at 10:04:30PM +0800, huangjie.albert wrote: ...
quoted hunk ↗ jump to hunk
index 13354a1e4280..a494d1dcb1c3 100644--- a/net/xdp/xsk_queue.h +++ b/net/xdp/xsk_queue.h@@ -428,6 +428,17 @@ static inline void __xskq_prod_submit(struct xsk_queue *q, u32 idx) smp_store_release(&q->ring->producer, idx); /* B, matches C */ } +
nit: one blank line is enough
+static inline void xskq_prod_submit_addr(struct xsk_queue *q, u64 addr)
+{
+ struct xdp_umem_ring *ring = (struct xdp_umem_ring *)q->ring;
+ u32 idx = q->ring->producer;
+
+ ring->desc[idx++ & q->ring_mask] = addr;
+
+ __xskq_prod_submit(q, idx);
+}
+
static inline void xskq_prod_submit(struct xsk_queue *q)
{
__xskq_prod_submit(q, q->cached_prod);
--
2.20.1