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bnx2: fix skb truesize underestimation

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bnx2 allocates a full page per fragment. We must account PAGE_SIZE
increments on skb->truesize, not the actual frag length.

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 07:50:19 +00:00 committed by David S. Miller
parent bdb28a97f4
commit a1f4e8bcbc
1 changed files with 1 additions and 2 deletions
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3
drivers/net/ethernet/broadcom/bnx2.c
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@ -3051,7 +3051,6 @@ bnx2_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, struct sk_buff *skb,
&skb_shinfo(skb)->frags[i - 1]; &skb_shinfo(skb)->frags[i - 1];
frag->size -= tail; frag->size -= tail;
skb->data_len -= tail; skb->data_len -= tail;
skb->truesize -= tail;
} }
return 0; return 0;
} }
@ -3083,7 +3082,7 @@ bnx2_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, struct sk_buff *skb,
frag_size -= frag_len; frag_size -= frag_len;
skb->data_len += frag_len; skb->data_len += frag_len;
skb->truesize += frag_len; skb->truesize += PAGE_SIZE;
skb->len += frag_len; skb->len += frag_len;
pg_prod = NEXT_RX_BD(pg_prod); pg_prod = NEXT_RX_BD(pg_prod);