Rely on xdp_update_skb_shared_info routine in order to avoid
resetting frags array in skb_shared_info structure building
the skb in mvneta_swbm_build_skb(). Frags array is expected to
be initialized by the receiving driver building the xdp_buff
and here we just need to update memory metadata.
Acked-by: Toke Hoiland-Jorgensen <toke@xxxxxxxxxx>
Acked-by: John Fastabend <john.fastabend@xxxxxxxxx>
Signed-off-by: Lorenzo Bianconi <lorenzo@xxxxxxxxxx>
---
drivers/net/ethernet/marvell/mvneta.c | 23 ++++++++++-------------
1 file changed, 10 insertions(+), 13 deletions(-)
diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c
index 775ffd91b741..267a306d9c75 100644
--- a/drivers/net/ethernet/marvell/mvneta.c
+++ b/drivers/net/ethernet/marvell/mvneta.c
@@ -2332,8 +2332,12 @@ mvneta_swbm_add_rx_fragment(struct mvneta_port *pp,
skb_frag_size_set(frag, data_len);
__skb_frag_set_page(frag, page);
- if (!xdp_buff_is_mb(xdp))
+ if (!xdp_buff_is_mb(xdp)) {
+ sinfo->xdp_frags_size = *size;
xdp_buff_set_mb(xdp);
+ }
+ if (page_is_pfmemalloc(page))
+ xdp_buff_set_frag_pfmemalloc(xdp);
} else {
page_pool_put_full_page(rxq->page_pool, page, true);
}
@@ -2347,7 +2351,6 @@ mvneta_swbm_build_skb(struct mvneta_port *pp, struct page_pool *pool,
struct skb_shared_info *sinfo = xdp_get_shared_info_from_buff(xdp);
struct sk_buff *skb;
u8 num_frags;
- int i;
if (unlikely(xdp_buff_is_mb(xdp)))
num_frags = sinfo->nr_frags;
@@ -2362,18 +2365,12 @@ mvneta_swbm_build_skb(struct mvneta_port *pp, struct page_pool *pool,
skb_put(skb, xdp->data_end - xdp->data);
skb->ip_summed = mvneta_rx_csum(pp, desc_status);
- if (likely(!xdp_buff_is_mb(xdp)))
- goto out;
-
- for (i = 0; i < num_frags; i++) {
- skb_frag_t *frag = &sinfo->frags[i];
-
- skb_add_rx_frag(skb, skb_shinfo(skb)->nr_frags,
- skb_frag_page(frag), skb_frag_off(frag),
- skb_frag_size(frag), PAGE_SIZE);
- }
+ if (unlikely(xdp_buff_is_mb(xdp)))
+ xdp_update_skb_shared_info(skb, num_frags,
+ sinfo->xdp_frags_size,
+ num_frags * xdp->frame_sz,
+ xdp_buff_is_frag_pfmemalloc(xdp));
-out:
return skb;
}
--
2.33.1
