netdev - RE: [Intel-wired-lan] [PATCH v4 net-next 3/5] ice: switch: use a struct to pass packet template params

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Date:   Fri, 25 Mar 2022 10:25:14 +0000
From:   "Penigalapati, Sandeep" <sandeep.penigalapati@...el.com>
To:     "Lobakin, Alexandr" <alexandr.lobakin@...el.com>,
        "intel-wired-lan@...ts.osuosl.org" <intel-wired-lan@...ts.osuosl.org>
CC:     "Szapar-Mudlaw, Martyna" <martyna.szapar-mudlaw@...el.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        "David S. Miller" <davem@...emloft.net>
Subject: RE: [Intel-wired-lan] [PATCH v4 net-next 3/5] ice: switch: use a
 struct to pass packet template params

>-----Original Message-----
>From: Intel-wired-lan <intel-wired-lan-bounces@...osl.org> On Behalf Of
>Alexander Lobakin
>Sent: Monday, March 21, 2022 4:30 PM
>To: intel-wired-lan@...ts.osuosl.org
>Cc: Szapar-Mudlaw, Martyna <martyna.szapar-mudlaw@...el.com>;
>netdev@...r.kernel.org; linux-kernel@...r.kernel.org; Jakub Kicinski
><kuba@...nel.org>; Paolo Abeni <pabeni@...hat.com>; David S. Miller
><davem@...emloft.net>
>Subject: [Intel-wired-lan] [PATCH v4 net-next 3/5] ice: switch: use a struct to
>pass packet template params
>
>ice_find_dummy_packet() contains a lot of boilerplate code and a nice room
>for copy-paste mistakes.
>Instead of passing 3 separate pointers back and forth to get packet template
>(dummy) params, directly return a structure containing them. Then, use a
>macro to compose compound literals and avoid code duplication on return
>path.
>Now, dummy packet type/name is needed only once to return a full correct
>triple pkt-pkt_len-offsets, and those are all one-liners.
>dummy_ipv4_gtpu_ipv4_packet_offsets is just moved around and renamed
>(as well as dummy_ipv6_gtp_packet_offsets) with no function changes.
>
>Signed-off-by: Alexander Lobakin <alexandr.lobakin@...el.com>
>Reviewed-by: Michal Swiatkowski <michal.swiatkowski@...ux.intel.com>
>Tested-by: Marcin Szycik <marcin.szycik@...ux.intel.com>
>---
> drivers/net/ethernet/intel/ice/ice_switch.c | 268 +++++++-------------
> 1 file changed, 94 insertions(+), 174 deletions(-)
>
Tested-by: Sandeep Penigalapati <sandeep.penigalapati@...el.com>