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46 lines
1.4 KiB
Diff
46 lines
1.4 KiB
Diff
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From 725674586f5bc009ef5175d29eb0fd677e0ef1f2 Mon Sep 17 00:00:00 2001
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From: "Poddar, Siddarth" <siddpodd@codeaurora.org>
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Date: Mon, 3 Jul 2017 15:57:19 +0530
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Subject: qcacld-2.0: Restrict max/min pktlog buffer size using pktlogconf tool
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Restrict the pktlog buffer size to a minimum of 1MB and maximum
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of 16MB using pktlogconf tool or through sysctl command.
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CRs-Fixed: 2064785
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Change-Id: I2951de86de083b610bb114ff4b9ddcb51c4c3042
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---
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CORE/UTILS/PKTLOG/pktlog_ac.c | 10 +++++++++-
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1 file changed, 9 insertions(+), 1 deletion(-)
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diff --git a/CORE/UTILS/PKTLOG/pktlog_ac.c b/CORE/UTILS/PKTLOG/pktlog_ac.c
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index 823d2d5..679a78c 100644
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--- a/CORE/UTILS/PKTLOG/pktlog_ac.c
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+++ b/CORE/UTILS/PKTLOG/pktlog_ac.c
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@@ -424,14 +424,22 @@ int pktlog_enable(struct ol_softc *scn, int32_t log_state)
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return error;
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}
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+#define ONE_MEGABYTE (1024 * 1024)
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+#define MAX_ALLOWED_PKTLOG_SIZE (16 * ONE_MEGABYTE)
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static int
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__pktlog_setsize(struct ol_softc *scn, int32_t size)
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{
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struct ol_pktlog_dev_t *pl_dev = scn->pdev_txrx_handle->pl_dev;
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struct ath_pktlog_info *pl_info = pl_dev->pl_info;
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- if (size < 0)
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+
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+ if (size < ONE_MEGABYTE || size > MAX_ALLOWED_PKTLOG_SIZE) {
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+ printk("%s: Cannot Set Pktlog Buffer size of %d bytes."
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+ "Min required is %d MB and Max allowed is %d MB.\n",
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+ __func__, size, (ONE_MEGABYTE/ONE_MEGABYTE),
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+ (MAX_ALLOWED_PKTLOG_SIZE/ONE_MEGABYTE));
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return -EINVAL;
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+ }
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if (size == pl_info->buf_size)
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return 0;
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--
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cgit v1.1
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