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From: Ricardo Martinez <ricardo.martinez@linux.intel.com>
To: netdev@vger.kernel.org, linux-wireless@vger.kernel.org
Cc: kuba@kernel.org, davem@davemloft.net, johannes@sipsolutions.net,
	ryazanov.s.a@gmail.com, loic.poulain@linaro.org,
	m.chetan.kumar@intel.com, chandrashekar.devegowda@intel.com,
	linuxwwan@intel.com, chiranjeevi.rapolu@linux.intel.com,
	haijun.liu@mediatek.com, amir.hanania@intel.com,
	andriy.shevchenko@linux.intel.com, dinesh.sharma@intel.com,
	eliot.lee@intel.com, ilpo.johannes.jarvinen@intel.com,
	moises.veleta@intel.com, pierre-louis.bossart@intel.com,
	muralidharan.sethuraman@intel.com,
	Soumya.Prakash.Mishra@intel.com, sreehari.kancharla@intel.com,
	madhusmita.sahu@intel.com,
	Ricardo Martinez <ricardo.martinez@linux.intel.com>
Subject: [PATCH net-next v7 02/14] net: skb: introduce skb_data_area_size()
Date: Thu,  5 May 2022 18:16:04 -0700	[thread overview]
Message-ID: <20220506011616.1774805-3-ricardo.martinez@linux.intel.com> (raw)
In-Reply-To: <20220506011616.1774805-1-ricardo.martinez@linux.intel.com>

Helper to calculate the linear data space in the skb.

Signed-off-by: Ricardo Martinez <ricardo.martinez@linux.intel.com>
---
 include/linux/skbuff.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 3270cb72e4d8..bd667c0129ad 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -1665,6 +1665,11 @@ static inline void skb_set_end_offset(struct sk_buff *skb, unsigned int offset)
 }
 #endif
 
+static inline unsigned int skb_data_area_size(struct sk_buff *skb)
+{
+	return skb_end_pointer(skb) - skb->data;
+}
+
 struct ubuf_info *msg_zerocopy_alloc(struct sock *sk, size_t size);
 struct ubuf_info *msg_zerocopy_realloc(struct sock *sk, size_t size,
 				       struct ubuf_info *uarg);
-- 
2.25.1


  parent reply	other threads:[~2022-05-06  1:16 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-05-06  1:16 [PATCH net-next v7 00/14] net: wwan: t7xx: PCIe driver for MediaTek M.2 modem Ricardo Martinez
2022-05-06  1:16 ` [PATCH net-next v7 01/14] list: Add list_next_entry_circular() and list_prev_entry_circular() Ricardo Martinez
2022-05-06  1:16 ` Ricardo Martinez [this message]
2022-05-06 13:40   ` [PATCH net-next v7 02/14] net: skb: introduce skb_data_area_size() Sergey Ryazanov
2022-05-06  1:16 ` [PATCH net-next v7 03/14] net: wwan: t7xx: Add control DMA interface Ricardo Martinez
2022-05-06 13:40   ` Sergey Ryazanov
2022-05-06  1:16 ` [PATCH net-next v7 04/14] net: wwan: t7xx: Add core components Ricardo Martinez
2022-05-06  1:16 ` [PATCH net-next v7 05/14] net: wwan: t7xx: Add port proxy infrastructure Ricardo Martinez
2022-05-06 13:40   ` Sergey Ryazanov
2022-05-06  1:16 ` [PATCH net-next v7 06/14] net: wwan: t7xx: Add control port Ricardo Martinez
2022-05-06  1:16 ` [PATCH net-next v7 07/14] net: wwan: t7xx: Add AT and MBIM WWAN ports Ricardo Martinez
2022-05-06  6:53   ` Ilpo Järvinen
2022-05-06  1:16 ` [PATCH net-next v7 08/14] net: wwan: t7xx: Data path HW layer Ricardo Martinez
2022-05-06  1:16 ` [PATCH net-next v7 09/14] net: wwan: t7xx: Add data path interface Ricardo Martinez
2022-05-06  7:04   ` Ilpo Järvinen
2022-05-06  1:16 ` [PATCH net-next v7 10/14] net: wwan: t7xx: Add WWAN network interface Ricardo Martinez
2022-05-06  1:16 ` [PATCH net-next v7 11/14] net: wwan: t7xx: Introduce power management Ricardo Martinez
2022-05-06  1:16 ` [PATCH net-next v7 12/14] net: wwan: t7xx: Runtime PM Ricardo Martinez
2022-05-06  1:16 ` [PATCH net-next v7 13/14] net: wwan: t7xx: Device deep sleep lock/unlock Ricardo Martinez
2022-05-06  1:16 ` [PATCH net-next v7 14/14] net: wwan: t7xx: Add maintainers and documentation Ricardo Martinez
2022-05-06 13:43 ` [PATCH net-next v7 00/14] net: wwan: t7xx: PCIe driver for MediaTek M.2 modem Sergey Ryazanov
2022-05-06 16:45   ` Martinez, Ricardo

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