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From: "Mário Kuka" <kuka@cesnet.cz>
To: kuka@cesnet.cz
Cc: dev@dpdk.org, mdr@ashroe.eu, reshma.pattan@intel.com,
	stephen@networkplumber.org
Subject: [PATCH v2 0/2] pcapng: fix some issues with writing packets.
Date: Fri, 29 Jul 2022 09:18:39 +0200	[thread overview]
Message-ID: <20220729071841.18198-1-kuka@cesnet.cz> (raw)
In-Reply-To: <20220725152811.409447-1-kuka@cesnet.cz>

This patchset contains fixes for some issues that occur when writing a 
large burst of packets at once, such as writing more packets than the
IOV_MAX limit and the problem of partial writing of a packet to a file 
if the writev() system call performs a partial write.

The typical use of pcapng in our cases is to copy the packets into a 
separate buffer and the process of writing to the file is done in some
slow path, for example by writing in a separate thread or at the end of
the application, where we don't mind the limitation of the typically 
slow speed of the storage medium.

Mário Kuka (2):
  pcapng: fix write more packets than IOV_MAX limit
  pcapng: check if writev() returns a partial write

 app/test/test_pcapng.c  | 42 +++++++++++++++++-
 lib/pcapng/rte_pcapng.c | 96 +++++++++++++++++++++++++++++++++--------
 2 files changed, 120 insertions(+), 18 deletions(-)

-- 
2.31.1


  parent reply	other threads:[~2022-07-29 16:03 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-07-25 15:28 [PATCH] pcapng: fix write more packets than IOV_MAX limit Mário Kuka
2022-07-25 15:57 ` Stephen Hemminger
2022-07-25 16:10 ` Stephen Hemminger
2022-07-29  7:18 ` Mário Kuka [this message]
2022-07-29  7:18   ` [PATCH v2 1/2] " Mário Kuka
2022-07-29  7:18   ` [PATCH v2 2/2] pcapng: check if writev() returns a partial write Mário Kuka
2022-07-29 16:00     ` Stephen Hemminger
2022-07-29 17:08       ` Mário Kuka
2022-07-29 18:14         ` Stephen Hemminger
2022-08-01  8:42           ` Mário Kuka
2022-07-29 15:58   ` [PATCH v2 0/2] pcapng: fix some issues with writing packets Stephen Hemminger
2022-07-29 17:33     ` Mário Kuka
2022-08-01  8:40   ` [PATCH v3] pcapng: fix write more packets than IOV_MAX limit Mário Kuka
2022-08-01 15:33     ` Stephen Hemminger
2022-10-10  0:40       ` Thomas Monjalon

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