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https://github.com/Telecominfraproject/wlan-ap.git
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63 lines
1.8 KiB
Diff
63 lines
1.8 KiB
Diff
From 5357cc04939baaea0f24687860624b472f763bec Mon Sep 17 00:00:00 2001
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From: Ratheesh Kannoth <rkannoth@codeaurora.org>
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Date: Fri, 6 Nov 2020 12:56:12 +0530
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Subject: [PATCH 252/281] net: ppp: API to check compression enabled on PPP
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device
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Change-Id: I574c688a9299531263061534a51cc88fef5e069f
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Signed-off-by: Ratheesh Kannoth <rkannoth@codeaurora.org>
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---
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drivers/net/ppp/ppp_generic.c | 22 ++++++++++++++++++++++
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include/linux/ppp_channel.h | 2 ++
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2 files changed, 24 insertions(+)
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diff --git a/drivers/net/ppp/ppp_generic.c b/drivers/net/ppp/ppp_generic.c
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index 3230c5cb7483..be55c30b4a6e 100644
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--- a/drivers/net/ppp/ppp_generic.c
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+++ b/drivers/net/ppp/ppp_generic.c
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@@ -3660,6 +3660,28 @@ void ppp_update_stats(struct net_device *dev, unsigned long rx_packets,
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ppp_recv_unlock(ppp);
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}
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+/* Returns true if Compression is enabled on PPP device
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+ */
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+bool ppp_is_cp_enabled(struct net_device *dev)
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+{
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+ struct ppp *ppp;
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+ bool flag = false;
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+
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+ if (!dev)
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+ return false;
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+
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+ if (dev->type != ARPHRD_PPP)
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+ return false;
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+
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+ ppp = netdev_priv(dev);
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+ ppp_lock(ppp);
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+ flag = !!ppp->xcomp || !!ppp->rcomp;
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+ ppp_unlock(ppp);
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+
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+ return flag;
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+}
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+EXPORT_SYMBOL(ppp_is_cp_enabled);
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+
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/* Returns >0 if the device is a multilink PPP netdevice, 0 if not or < 0 if
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* the device is not PPP.
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*/
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diff --git a/include/linux/ppp_channel.h b/include/linux/ppp_channel.h
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index 4f32f6f19e6e..1347b8fcd1c7 100644
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--- a/include/linux/ppp_channel.h
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+++ b/include/linux/ppp_channel.h
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@@ -81,6 +81,8 @@ extern int ppp_hold_channels(struct net_device *dev,
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struct ppp_channel *channels[],
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unsigned int chan_sz);
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+bool ppp_is_cp_enabled(struct net_device *dev);
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+
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/* Test if the ppp device is a multi-link ppp device */
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extern int ppp_is_multilink(struct net_device *dev);
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--
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2.17.1
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