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be2net: fix truesize errors

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Fix skb truesize underestimations of this driver.

Each frag truesize is exactly rx_frag_size bytes. (2048 bytes per
default)

A driver should not use "sizeof(struct sk_buff)" at all.

Signed-off-by: Eric Dumazet <eric.dumazet>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet 2011-10-13 06:31:02 +00:00 committed by David S. Miller
parent 87fb4b7b53
commit bdb28a97f4
1 changed files with 3 additions and 4 deletions
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7
drivers/net/ethernet/emulex/benet/be_main.c
View file

@ -1071,6 +1071,7 @@ static void skb_fill_rx_data(struct be_adapter *adapter, struct be_rx_obj *rxo,
page_info->page_offset + hdr_len;
skb_shinfo(skb)->frags[0].size = curr_frag_len - hdr_len;
skb->data_len = curr_frag_len - hdr_len;
skb->truesize += rx_frag_size;
skb->tail += hdr_len;
}
page_info->page = NULL;
@ -1103,7 +1104,7 @@ static void skb_fill_rx_data(struct be_adapter *adapter, struct be_rx_obj *rxo,
skb_shinfo(skb)->frags[j].size += curr_frag_len;
skb->len += curr_frag_len;
skb->data_len += curr_frag_len;
skb->truesize += rx_frag_size;
remaining -= curr_frag_len;
index_inc(&rxcp->rxq_idx, rxq->len);
page_info->page = NULL;
@ -1133,7 +1134,6 @@ static void be_rx_compl_process(struct be_adapter *adapter,
else
skb_checksum_none_assert(skb);
skb->truesize = skb->len + sizeof(struct sk_buff);
skb->protocol = eth_type_trans(skb, netdev);
if (adapter->netdev->features & NETIF_F_RXHASH)
skb->rxhash = rxcp->rss_hash;
@ -1181,7 +1181,7 @@ static void be_rx_compl_process_gro(struct be_adapter *adapter,
put_page(page_info->page);
}
skb_shinfo(skb)->frags[j].size += curr_frag_len;
skb->truesize += rx_frag_size;
remaining -= curr_frag_len;
index_inc(&rxcp->rxq_idx, rxq->len);
memset(page_info, 0, sizeof(*page_info));
@ -1191,7 +1191,6 @@ static void be_rx_compl_process_gro(struct be_adapter *adapter,
skb_shinfo(skb)->nr_frags = j + 1;
skb->len = rxcp->pkt_size;
skb->data_len = rxcp->pkt_size;
skb->truesize += rxcp->pkt_size;
skb->ip_summed = CHECKSUM_UNNECESSARY;
if (adapter->netdev->features & NETIF_F_RXHASH)
skb->rxhash = rxcp->rss_hash;