diff options
| author |   Peng Li <lipeng321@huawei.com> | 2018-03-10 11:29:26 +0800 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2018-03-11 22:53:31 -0400 |
| commit | f8d291f00bb33c97b8c9dd643277d6300d05559d (patch) | |
| tree | 846bdfaf8f397f1011275071de154ccb27dfa338 /drivers/net/ethernet/hisilicon | |
| parent | net: hns3: unify the pause params setup function (diff) | |
| download | linux-dev-f8d291f00bb33c97b8c9dd643277d6300d05559d.tar.xz linux-dev-f8d291f00bb33c97b8c9dd643277d6300d05559d.zip | |
net: hns3: fix rx path skb->truesize reporting bug
Original skb->truesize reports the received packet size,
not the actual buffer size NIC driver allocated(1 Page).
The linux net protocol will misjudge the true size of rx queue.
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/hisilicon')
| -rw-r--r-- | drivers/net/ethernet/hisilicon/hns3/hns3_enet.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c index 4dba97498b63..94f0b92ead38 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c @@ -2080,15 +2080,13 @@ static void hns3_nic_reuse_page(struct sk_buff *skb, int i, desc = &ring->desc[ring->next_to_clean]; size = le16_to_cpu(desc->rx.size); - if (twobufs) { - truesize = hnae_buf_size(ring); - } else { - truesize = ALIGN(size, L1_CACHE_BYTES); + truesize = hnae_buf_size(ring); + + if (!twobufs) last_offset = hnae_page_size(ring) - hnae_buf_size(ring); - } skb_add_rx_frag(skb, i, desc_cb->priv, desc_cb->page_offset + pull_len, - size - pull_len, truesize - pull_len); + size - pull_len, truesize); /* Avoid re-using remote pages,flag default unreuse */ if (unlikely(page_to_nid(desc_cb->priv) != numa_node_id())) |