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| author | Eric Dumazet <edumazet@google.com> | 2013-03-05 15:57:22 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2013-03-05 23:40:01 -0500 |
| commit | 82dc3c63c692b1e1d59378ecee948ac88e034aad (patch) | |
| tree | d324df2801b34974e8735ac79f28ca43298bea53 /net/core | |
| parent | dd9f319d94c99b96fc9b34ccde7389a91059fe31 (diff) | |
| download | blackbird-op-linux-82dc3c63c692b1e1d59378ecee948ac88e034aad.tar.gz blackbird-op-linux-82dc3c63c692b1e1d59378ecee948ac88e034aad.zip | |
net: introduce NAPI_POLL_WEIGHT
Some drivers use a too big NAPI poll weight.
This patch adds a NAPI_POLL_WEIGHT default value
and issues an error message if a driver attempts
to use a bigger weight.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/core')
| -rw-r--r-- | net/core/dev.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/net/core/dev.c b/net/core/dev.c index a06a7a58dd11..96103894ad69 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -4057,6 +4057,9 @@ void netif_napi_add(struct net_device *dev, struct napi_struct *napi, napi->gro_list = NULL; napi->skb = NULL; napi->poll = poll; + if (weight > NAPI_POLL_WEIGHT) + pr_err_once("netif_napi_add() called with weight %d on device %s\n", + weight, dev->name); napi->weight = weight; list_add(&napi->dev_list, &dev->napi_list); napi->dev = dev; |
