From: Rasmus Villemoes <rasmus.villemoes@prevas.dk> To: Li Yang <leoyang.li@nxp.com>, "David S. Miller" <davem@davemloft.net>, Jakub Kicinski <kuba@kernel.org>, Qiang Zhao <qiang.zhao@nxp.com>, netdev@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: Vladimir Oltean <vladimir.oltean@nxp.com>, Rasmus Villemoes <rasmus.villemoes@prevas.dk> Subject: [PATCH 00/20] ethernet: ucc_geth: assorted fixes and simplifications Date: Sat, 5 Dec 2020 20:17:23 +0100 [thread overview] Message-ID: <20201205191744.7847-1-rasmus.villemoes@prevas.dk> (raw) While trying to figure out how to allow bumping the MTU with the ucc_geth driver, I fell into a rabbit hole and stumbled on a whole bunch of issues of varying importance - some are outright bug fixes, while most are a matter of simplifying the code to make it more accessible. At the end of digging around the code and data sheet to figure out how it all works, I think the MTU issue might be fixed by a one-liner, but I'm not sure it can be that simple. It does seem to work (ping -s X works for larger values of X, and wireshark confirms that the packets are not fragmented). Re patch 2, someone in NXP should check how the hardware actually works and make an updated reference manual available. Rasmus Villemoes (20): ethernet: ucc_geth: set dev->max_mtu to 1518 ethernet: ucc_geth: fix definition and size of ucc_geth_tx_global_pram ethernet: ucc_geth: remove unused read of temoder field soc: fsl: qe: make cpm_muram_offset take a const void* argument soc: fsl: qe: store muram_vbase as a void pointer instead of u8 soc: fsl: qe: add cpm_muram_free_addr() helper ethernet: ucc_geth: use qe_muram_free_addr() ethernet: ucc_geth: remove unnecessary memset_io() calls ethernet: ucc_geth: replace kmalloc+memset by kzalloc ethernet: ucc_geth: remove {rx,tx}_glbl_pram_offset from struct ucc_geth_private ethernet: ucc_geth: fix use-after-free in ucc_geth_remove() ethernet: ucc_geth: factor out parsing of {rx,tx}-clock{,-name} properties ethernet: ucc_geth: constify ugeth_primary_info ethernet: ucc_geth: don't statically allocate eight ucc_geth_info ethernet: ucc_geth: use UCC_GETH_{RX,TX}_BD_RING_ALIGNMENT macros directly ethernet: ucc_geth: remove bd_mem_part and all associated code ethernet: ucc_geth: replace kmalloc_array()+for loop by kcalloc() ethernet: ucc_geth: add helper to replace repeated switch statements ethernet: ucc_geth: inform the compiler that numQueues is always 1 ethernet: ucc_geth: simplify rx/tx allocations drivers/net/ethernet/freescale/ucc_geth.c | 553 ++++++++-------------- drivers/net/ethernet/freescale/ucc_geth.h | 15 +- drivers/soc/fsl/qe/qe_common.c | 20 +- include/soc/fsl/qe/qe.h | 15 +- include/soc/fsl/qe/ucc_fast.h | 1 - 5 files changed, 219 insertions(+), 385 deletions(-) -- 2.23.0
WARNING: multiple messages have this Message-ID (diff)
From: Rasmus Villemoes <rasmus.villemoes@prevas.dk> To: Li Yang <leoyang.li@nxp.com>, "David S. Miller" <davem@davemloft.net>, Jakub Kicinski <kuba@kernel.org>, Qiang Zhao <qiang.zhao@nxp.com>, netdev@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: Vladimir Oltean <vladimir.oltean@nxp.com>, Rasmus Villemoes <rasmus.villemoes@prevas.dk> Subject: [PATCH 00/20] ethernet: ucc_geth: assorted fixes and simplifications Date: Sat, 5 Dec 2020 20:17:23 +0100 [thread overview] Message-ID: <20201205191744.7847-1-rasmus.villemoes@prevas.dk> (raw) While trying to figure out how to allow bumping the MTU with the ucc_geth driver, I fell into a rabbit hole and stumbled on a whole bunch of issues of varying importance - some are outright bug fixes, while most are a matter of simplifying the code to make it more accessible. At the end of digging around the code and data sheet to figure out how it all works, I think the MTU issue might be fixed by a one-liner, but I'm not sure it can be that simple. It does seem to work (ping -s X works for larger values of X, and wireshark confirms that the packets are not fragmented). Re patch 2, someone in NXP should check how the hardware actually works and make an updated reference manual available. Rasmus Villemoes (20): ethernet: ucc_geth: set dev->max_mtu to 1518 ethernet: ucc_geth: fix definition and size of ucc_geth_tx_global_pram ethernet: ucc_geth: remove unused read of temoder field soc: fsl: qe: make cpm_muram_offset take a const void* argument soc: fsl: qe: store muram_vbase as a void pointer instead of u8 soc: fsl: qe: add cpm_muram_free_addr() helper ethernet: ucc_geth: use qe_muram_free_addr() ethernet: ucc_geth: remove unnecessary memset_io() calls ethernet: ucc_geth: replace kmalloc+memset by kzalloc ethernet: ucc_geth: remove {rx,tx}_glbl_pram_offset from struct ucc_geth_private ethernet: ucc_geth: fix use-after-free in ucc_geth_remove() ethernet: ucc_geth: factor out parsing of {rx,tx}-clock{,-name} properties ethernet: ucc_geth: constify ugeth_primary_info ethernet: ucc_geth: don't statically allocate eight ucc_geth_info ethernet: ucc_geth: use UCC_GETH_{RX,TX}_BD_RING_ALIGNMENT macros directly ethernet: ucc_geth: remove bd_mem_part and all associated code ethernet: ucc_geth: replace kmalloc_array()+for loop by kcalloc() ethernet: ucc_geth: add helper to replace repeated switch statements ethernet: ucc_geth: inform the compiler that numQueues is always 1 ethernet: ucc_geth: simplify rx/tx allocations drivers/net/ethernet/freescale/ucc_geth.c | 553 ++++++++-------------- drivers/net/ethernet/freescale/ucc_geth.h | 15 +- drivers/soc/fsl/qe/qe_common.c | 20 +- include/soc/fsl/qe/qe.h | 15 +- include/soc/fsl/qe/ucc_fast.h | 1 - 5 files changed, 219 insertions(+), 385 deletions(-) -- 2.23.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next reply other threads:[~2020-12-05 19:19 UTC|newest] Thread overview: 102+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-12-05 19:17 Rasmus Villemoes [this message] 2020-12-05 19:17 ` [PATCH 00/20] ethernet: ucc_geth: assorted fixes and simplifications Rasmus Villemoes 2020-12-05 19:17 ` [PATCH 01/20] ethernet: ucc_geth: set dev->max_mtu to 1518 Rasmus Villemoes 2020-12-05 19:17 ` Rasmus Villemoes 2020-12-10 1:25 ` Andrew Lunn 2020-12-10 1:25 ` Andrew Lunn 2021-01-05 14:17 ` Joakim Tjernlund 2021-01-05 14:17 ` Joakim Tjernlund 2021-01-05 14:33 ` Andrew Lunn 2021-01-05 14:33 ` Andrew Lunn 2021-01-05 14:44 ` Joakim Tjernlund 2021-01-05 14:44 ` Joakim Tjernlund 2021-01-05 14:54 ` Andrew Lunn 2021-01-05 14:54 ` Andrew Lunn 2020-12-05 19:17 ` [PATCH 02/20] ethernet: ucc_geth: fix definition and size of ucc_geth_tx_global_pram Rasmus Villemoes 2020-12-05 19:17 ` Rasmus Villemoes 2020-12-08 19:14 ` Li Yang 2020-12-08 19:14 ` Li Yang 2020-12-08 20:12 ` Rasmus Villemoes 2020-12-08 20:12 ` Rasmus Villemoes 2020-12-05 19:17 ` [PATCH 03/20] ethernet: ucc_geth: remove unused read of temoder field Rasmus Villemoes 2020-12-05 19:17 ` Rasmus Villemoes 2020-12-05 19:17 ` [PATCH 04/20] soc: fsl: qe: make cpm_muram_offset take a const void* argument Rasmus Villemoes 2020-12-05 19:17 ` Rasmus Villemoes 2020-12-05 19:17 ` Rasmus Villemoes 2020-12-05 19:17 ` [PATCH 05/20] soc: fsl: qe: store muram_vbase as a void pointer instead of u8 Rasmus Villemoes 2020-12-05 19:17 ` Rasmus Villemoes 2020-12-05 19:17 ` Rasmus Villemoes 2020-12-05 19:17 ` [PATCH 06/20] soc: fsl: qe: add cpm_muram_free_addr() helper Rasmus Villemoes 2020-12-05 19:17 ` Rasmus Villemoes 2020-12-05 19:17 ` Rasmus Villemoes 2020-12-05 19:17 ` [PATCH 07/20] ethernet: ucc_geth: use qe_muram_free_addr() Rasmus Villemoes 2020-12-05 19:17 ` Rasmus Villemoes 2020-12-10 1:36 ` Andrew Lunn 2020-12-10 1:36 ` Andrew Lunn 2020-12-05 19:17 ` [PATCH 08/20] ethernet: ucc_geth: remove unnecessary memset_io() calls Rasmus Villemoes 2020-12-05 19:17 ` Rasmus Villemoes 2020-12-05 19:17 ` [PATCH 09/20] ethernet: ucc_geth: replace kmalloc+memset by kzalloc Rasmus Villemoes 2020-12-05 19:17 ` Rasmus Villemoes 2020-12-05 19:17 ` [PATCH 10/20] ethernet: ucc_geth: remove {rx,tx}_glbl_pram_offset from struct ucc_geth_private Rasmus Villemoes 2020-12-05 19:17 ` [PATCH 10/20] ethernet: ucc_geth: remove {rx, tx}_glbl_pram_offset " Rasmus Villemoes 2020-12-05 19:17 ` [PATCH 11/20] ethernet: ucc_geth: fix use-after-free in ucc_geth_remove() Rasmus Villemoes 2020-12-05 19:17 ` Rasmus Villemoes 2020-12-05 20:48 ` Jakub Kicinski 2020-12-05 20:48 ` Jakub Kicinski 2020-12-05 21:04 ` Rasmus Villemoes 2020-12-05 21:04 ` Rasmus Villemoes 2020-12-05 21:19 ` Jakub Kicinski 2020-12-05 21:19 ` Jakub Kicinski 2020-12-05 21:35 ` Rasmus Villemoes 2020-12-05 21:35 ` Rasmus Villemoes 2020-12-05 21:50 ` Rasmus Villemoes 2020-12-05 21:50 ` Rasmus Villemoes 2020-12-05 19:17 ` [PATCH 12/20] ethernet: ucc_geth: factor out parsing of {rx,tx}-clock{,-name} properties Rasmus Villemoes 2020-12-05 19:17 ` [PATCH 12/20] ethernet: ucc_geth: factor out parsing of {rx, tx}-clock{, -name} properties Rasmus Villemoes 2020-12-05 19:17 ` [PATCH 13/20] ethernet: ucc_geth: constify ugeth_primary_info Rasmus Villemoes 2020-12-05 19:17 ` Rasmus Villemoes 2020-12-05 19:17 ` [PATCH 14/20] ethernet: ucc_geth: don't statically allocate eight ucc_geth_info Rasmus Villemoes 2020-12-05 19:17 ` Rasmus Villemoes 2020-12-08 15:13 ` Christophe Leroy 2020-12-08 15:13 ` Christophe Leroy 2020-12-08 21:17 ` Rasmus Villemoes 2020-12-08 21:17 ` Rasmus Villemoes 2020-12-05 19:17 ` [PATCH 15/20] ethernet: ucc_geth: use UCC_GETH_{RX,TX}_BD_RING_ALIGNMENT macros directly Rasmus Villemoes 2020-12-05 19:17 ` [PATCH 15/20] ethernet: ucc_geth: use UCC_GETH_{RX, TX}_BD_RING_ALIGNMENT " Rasmus Villemoes 2020-12-08 15:14 ` Christophe Leroy 2020-12-08 15:14 ` Christophe Leroy 2020-12-05 19:17 ` [PATCH 16/20] ethernet: ucc_geth: remove bd_mem_part and all associated code Rasmus Villemoes 2020-12-05 19:17 ` Rasmus Villemoes 2020-12-05 19:17 ` [PATCH 17/20] ethernet: ucc_geth: replace kmalloc_array()+for loop by kcalloc() Rasmus Villemoes 2020-12-05 19:17 ` Rasmus Villemoes 2020-12-05 19:17 ` [PATCH 18/20] ethernet: ucc_geth: add helper to replace repeated switch statements Rasmus Villemoes 2020-12-05 19:17 ` Rasmus Villemoes 2020-12-08 15:21 ` Christophe Leroy 2020-12-08 15:21 ` Christophe Leroy 2020-12-08 20:55 ` Rasmus Villemoes 2020-12-08 20:55 ` Rasmus Villemoes 2020-12-05 19:17 ` [PATCH 19/20] ethernet: ucc_geth: inform the compiler that numQueues is always 1 Rasmus Villemoes 2020-12-05 19:17 ` Rasmus Villemoes 2020-12-05 19:17 ` [PATCH 20/20] ethernet: ucc_geth: simplify rx/tx allocations Rasmus Villemoes 2020-12-05 19:17 ` Rasmus Villemoes 2020-12-05 20:53 ` [PATCH 00/20] ethernet: ucc_geth: assorted fixes and simplifications Jakub Kicinski 2020-12-05 20:53 ` Jakub Kicinski 2020-12-05 20:53 ` Jakub Kicinski 2020-12-05 21:11 ` Rasmus Villemoes 2020-12-05 21:11 ` Rasmus Villemoes 2020-12-05 21:11 ` Rasmus Villemoes 2020-12-05 21:27 ` Jakub Kicinski 2020-12-05 21:27 ` Jakub Kicinski 2020-12-05 21:27 ` Jakub Kicinski 2020-12-05 21:36 ` Rasmus Villemoes 2020-12-05 21:36 ` Rasmus Villemoes 2020-12-05 21:36 ` Rasmus Villemoes 2020-12-10 7:52 ` Rasmus Villemoes 2020-12-10 7:52 ` Rasmus Villemoes 2020-12-10 7:52 ` Rasmus Villemoes 2020-12-08 3:07 ` Qiang Zhao 2020-12-08 3:07 ` Qiang Zhao 2020-12-08 3:07 ` Qiang Zhao 2020-12-08 8:13 ` Rasmus Villemoes 2020-12-08 8:13 ` Rasmus Villemoes 2020-12-08 8:13 ` Rasmus Villemoes
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