diff options
Diffstat (limited to 'drivers/net/veth.c')
-rw-r--r-- | drivers/net/veth.c | 28 |
1 files changed, 18 insertions, 10 deletions
diff --git a/drivers/net/veth.c b/drivers/net/veth.c index 0f798bcbe2..977861c46b 100644 --- a/drivers/net/veth.c +++ b/drivers/net/veth.c @@ -729,10 +729,11 @@ static int veth_convert_skb_to_xdp_buff(struct veth_rq *rq, if (skb_shared(skb) || skb_head_is_locked(skb) || skb_shinfo(skb)->nr_frags || skb_headroom(skb) < XDP_PACKET_HEADROOM) { - u32 size, len, max_head_size, off; + u32 size, len, max_head_size, off, truesize, page_offset; struct sk_buff *nskb; struct page *page; int i, head_off; + void *va; /* We need a private copy of the skb and data buffers since * the ebpf program can modify it. We segment the original skb @@ -745,14 +746,17 @@ static int veth_convert_skb_to_xdp_buff(struct veth_rq *rq, if (skb->len > PAGE_SIZE * MAX_SKB_FRAGS + max_head_size) goto drop; + size = min_t(u32, skb->len, max_head_size); + truesize = SKB_HEAD_ALIGN(size) + VETH_XDP_HEADROOM; + /* Allocate skb head */ - page = page_pool_dev_alloc_pages(rq->page_pool); - if (!page) + va = page_pool_dev_alloc_va(rq->page_pool, &truesize); + if (!va) goto drop; - nskb = napi_build_skb(page_address(page), PAGE_SIZE); + nskb = napi_build_skb(va, truesize); if (!nskb) { - page_pool_put_full_page(rq->page_pool, page, true); + page_pool_free_va(rq->page_pool, va, true); goto drop; } @@ -760,7 +764,6 @@ static int veth_convert_skb_to_xdp_buff(struct veth_rq *rq, skb_copy_header(nskb, skb); skb_mark_for_recycle(nskb); - size = min_t(u32, skb->len, max_head_size); if (skb_copy_bits(skb, 0, nskb->data, size)) { consume_skb(nskb); goto drop; @@ -775,15 +778,20 @@ static int veth_convert_skb_to_xdp_buff(struct veth_rq *rq, len = skb->len - off; for (i = 0; i < MAX_SKB_FRAGS && off < skb->len; i++) { - page = page_pool_dev_alloc_pages(rq->page_pool); + size = min_t(u32, len, PAGE_SIZE); + truesize = size; + + page = page_pool_dev_alloc(rq->page_pool, &page_offset, + &truesize); if (!page) { consume_skb(nskb); goto drop; } - size = min_t(u32, len, PAGE_SIZE); - skb_add_rx_frag(nskb, i, page, 0, size, PAGE_SIZE); - if (skb_copy_bits(skb, off, page_address(page), + skb_add_rx_frag(nskb, i, page, page_offset, size, + truesize); + if (skb_copy_bits(skb, off, + page_address(page) + page_offset, size)) { consume_skb(nskb); goto drop; |