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