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From patchwork Thu Sep 5 18:43:59 2013
Content-Type: text/plain; charset="utf-8"
MIME-Version: 1.0
Content-Transfer-Encoding: 7bit
Subject: [1/3] staging: octeon-ethernet: make dropped packets to consume NAPI
budget
From: Aaro Koskinen <aaro.koskinen@iki.fi>
X-Patchwork-Id: 5809
Message-Id: <1378406641-16530-2-git-send-email-aaro.koskinen@iki.fi>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
devel@driverdev.osuosl.org, linux-mips@linux-mips.org
Cc: David Daney <david.daney@cavium.com>,
"Jason A. Donenfeld" <Jason@zx2c4.com>, richard@nod.at,
Aaro Koskinen <aaro.koskinen@iki.fi>
Date: Thu, 5 Sep 2013 21:43:59 +0300
We should count also dropped packets, otherwise the NAPI handler may
end up running too long.
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
---
drivers/staging/octeon/ethernet-rx.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/staging/octeon/ethernet-rx.c b/drivers/staging/octeon/ethernet-rx.c
index 34afc16..10e5416 100644
--- a/drivers/staging/octeon/ethernet-rx.c
+++ b/drivers/staging/octeon/ethernet-rx.c
@@ -303,6 +303,7 @@ static int cvm_oct_napi_poll(struct napi_struct *napi, int budget)
if (backlog > budget * cores_in_use && napi != NULL)
cvm_oct_enable_one_cpu();
}
+ rx_count++;
skb_in_hw = USE_SKBUFFS_IN_HW && work->word2.s.bufs == 1;
if (likely(skb_in_hw)) {
@@ -429,7 +430,6 @@ static int cvm_oct_napi_poll(struct napi_struct *napi, int budget)
#endif
}
netif_receive_skb(skb);
- rx_count++;
} else {
/* Drop any packet received for a device that isn't up */
/*
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