* [PATCH net-next] net: ethernet: mtk_ppe: add MTK_FOE_ENTRY_V{1,2}_SIZE macros
@ 2023-07-19 10:29 Lorenzo Bianconi
2023-07-20 17:55 ` Simon Horman
2023-07-21 7:50 ` patchwork-bot+netdevbpf
0 siblings, 2 replies; 5+ messages in thread
From: Lorenzo Bianconi @ 2023-07-19 10:29 UTC (permalink / raw)
To: netdev
Cc: davem, edumazet, kuba, pabeni, nbd, john, sean.wang, Mark-MC.Lee,
lorenzo.bianconi, daniel
Introduce MTK_FOE_ENTRY_V{1,2}_SIZE macros in order to make more
explicit foe_entry size for different chipset revisions.
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
---
drivers/net/ethernet/mediatek/mtk_eth_soc.c | 10 +++++-----
drivers/net/ethernet/mediatek/mtk_ppe.h | 3 +++
2 files changed, 8 insertions(+), 5 deletions(-)
diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
index 834c644b67db..7f9e23ddb3c4 100644
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
@@ -4811,7 +4811,7 @@ static const struct mtk_soc_data mt7621_data = {
.required_pctl = false,
.offload_version = 1,
.hash_offset = 2,
- .foe_entry_size = sizeof(struct mtk_foe_entry) - 16,
+ .foe_entry_size = MTK_FOE_ENTRY_V1_SIZE,
.txrx = {
.txd_size = sizeof(struct mtk_tx_dma),
.rxd_size = sizeof(struct mtk_rx_dma),
@@ -4832,7 +4832,7 @@ static const struct mtk_soc_data mt7622_data = {
.offload_version = 2,
.hash_offset = 2,
.has_accounting = true,
- .foe_entry_size = sizeof(struct mtk_foe_entry) - 16,
+ .foe_entry_size = MTK_FOE_ENTRY_V1_SIZE,
.txrx = {
.txd_size = sizeof(struct mtk_tx_dma),
.rxd_size = sizeof(struct mtk_rx_dma),
@@ -4851,7 +4851,7 @@ static const struct mtk_soc_data mt7623_data = {
.required_pctl = true,
.offload_version = 1,
.hash_offset = 2,
- .foe_entry_size = sizeof(struct mtk_foe_entry) - 16,
+ .foe_entry_size = MTK_FOE_ENTRY_V1_SIZE,
.txrx = {
.txd_size = sizeof(struct mtk_tx_dma),
.rxd_size = sizeof(struct mtk_rx_dma),
@@ -4889,8 +4889,8 @@ static const struct mtk_soc_data mt7981_data = {
.required_pctl = false,
.offload_version = 2,
.hash_offset = 4,
- .foe_entry_size = sizeof(struct mtk_foe_entry),
.has_accounting = true,
+ .foe_entry_size = MTK_FOE_ENTRY_V2_SIZE,
.txrx = {
.txd_size = sizeof(struct mtk_tx_dma_v2),
.rxd_size = sizeof(struct mtk_rx_dma_v2),
@@ -4910,8 +4910,8 @@ static const struct mtk_soc_data mt7986_data = {
.required_pctl = false,
.offload_version = 2,
.hash_offset = 4,
- .foe_entry_size = sizeof(struct mtk_foe_entry),
.has_accounting = true,
+ .foe_entry_size = MTK_FOE_ENTRY_V2_SIZE,
.txrx = {
.txd_size = sizeof(struct mtk_tx_dma_v2),
.rxd_size = sizeof(struct mtk_rx_dma_v2),
diff --git a/drivers/net/ethernet/mediatek/mtk_ppe.h b/drivers/net/ethernet/mediatek/mtk_ppe.h
index e51de31a52ec..fb6bf58172d9 100644
--- a/drivers/net/ethernet/mediatek/mtk_ppe.h
+++ b/drivers/net/ethernet/mediatek/mtk_ppe.h
@@ -216,6 +216,9 @@ struct mtk_foe_ipv6_6rd {
struct mtk_foe_mac_info l2;
};
+#define MTK_FOE_ENTRY_V1_SIZE 80
+#define MTK_FOE_ENTRY_V2_SIZE 96
+
struct mtk_foe_entry {
u32 ib1;
--
2.41.0
^ permalink raw reply related [flat|nested] 5+ messages in thread* Re: [PATCH net-next] net: ethernet: mtk_ppe: add MTK_FOE_ENTRY_V{1,2}_SIZE macros
2023-07-19 10:29 [PATCH net-next] net: ethernet: mtk_ppe: add MTK_FOE_ENTRY_V{1,2}_SIZE macros Lorenzo Bianconi
@ 2023-07-20 17:55 ` Simon Horman
2023-07-20 20:52 ` Lorenzo Bianconi
2023-07-21 7:50 ` patchwork-bot+netdevbpf
1 sibling, 1 reply; 5+ messages in thread
From: Simon Horman @ 2023-07-20 17:55 UTC (permalink / raw)
To: Lorenzo Bianconi
Cc: netdev, davem, edumazet, kuba, pabeni, nbd, john, sean.wang,
Mark-MC.Lee, lorenzo.bianconi, daniel
On Wed, Jul 19, 2023 at 12:29:49PM +0200, Lorenzo Bianconi wrote:
> Introduce MTK_FOE_ENTRY_V{1,2}_SIZE macros in order to make more
> explicit foe_entry size for different chipset revisions.
>
> Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
> ---
> drivers/net/ethernet/mediatek/mtk_eth_soc.c | 10 +++++-----
> drivers/net/ethernet/mediatek/mtk_ppe.h | 3 +++
> 2 files changed, 8 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
> index 834c644b67db..7f9e23ddb3c4 100644
> --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
> +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
> @@ -4811,7 +4811,7 @@ static const struct mtk_soc_data mt7621_data = {
> .required_pctl = false,
> .offload_version = 1,
> .hash_offset = 2,
> - .foe_entry_size = sizeof(struct mtk_foe_entry) - 16,
> + .foe_entry_size = MTK_FOE_ENTRY_V1_SIZE,
> .txrx = {
> .txd_size = sizeof(struct mtk_tx_dma),
> .rxd_size = sizeof(struct mtk_rx_dma),
...
> @@ -4889,8 +4889,8 @@ static const struct mtk_soc_data mt7981_data = {
> .required_pctl = false,
> .offload_version = 2,
> .hash_offset = 4,
> - .foe_entry_size = sizeof(struct mtk_foe_entry),
> .has_accounting = true,
> + .foe_entry_size = MTK_FOE_ENTRY_V2_SIZE,
> .txrx = {
> .txd_size = sizeof(struct mtk_tx_dma_v2),
> .rxd_size = sizeof(struct mtk_rx_dma_v2),
...
> diff --git a/drivers/net/ethernet/mediatek/mtk_ppe.h b/drivers/net/ethernet/mediatek/mtk_ppe.h
> index e51de31a52ec..fb6bf58172d9 100644
> --- a/drivers/net/ethernet/mediatek/mtk_ppe.h
> +++ b/drivers/net/ethernet/mediatek/mtk_ppe.h
> @@ -216,6 +216,9 @@ struct mtk_foe_ipv6_6rd {
> struct mtk_foe_mac_info l2;
> };
>
> +#define MTK_FOE_ENTRY_V1_SIZE 80
> +#define MTK_FOE_ENTRY_V2_SIZE 96
Hi Lorenzo,
Would it make sense to define these in terms of sizeof(struct mtk_foe_entry) ?
...
^ permalink raw reply [flat|nested] 5+ messages in thread* Re: [PATCH net-next] net: ethernet: mtk_ppe: add MTK_FOE_ENTRY_V{1,2}_SIZE macros
2023-07-20 17:55 ` Simon Horman
@ 2023-07-20 20:52 ` Lorenzo Bianconi
2023-07-21 6:52 ` Simon Horman
0 siblings, 1 reply; 5+ messages in thread
From: Lorenzo Bianconi @ 2023-07-20 20:52 UTC (permalink / raw)
To: Simon Horman
Cc: netdev, davem, edumazet, kuba, pabeni, nbd, john, sean.wang,
Mark-MC.Lee, lorenzo.bianconi, daniel
[-- Attachment #1: Type: text/plain, Size: 2545 bytes --]
> On Wed, Jul 19, 2023 at 12:29:49PM +0200, Lorenzo Bianconi wrote:
> > Introduce MTK_FOE_ENTRY_V{1,2}_SIZE macros in order to make more
> > explicit foe_entry size for different chipset revisions.
> >
> > Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
> > ---
> > drivers/net/ethernet/mediatek/mtk_eth_soc.c | 10 +++++-----
> > drivers/net/ethernet/mediatek/mtk_ppe.h | 3 +++
> > 2 files changed, 8 insertions(+), 5 deletions(-)
> >
> > diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
> > index 834c644b67db..7f9e23ddb3c4 100644
> > --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
> > +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
> > @@ -4811,7 +4811,7 @@ static const struct mtk_soc_data mt7621_data = {
> > .required_pctl = false,
> > .offload_version = 1,
> > .hash_offset = 2,
> > - .foe_entry_size = sizeof(struct mtk_foe_entry) - 16,
> > + .foe_entry_size = MTK_FOE_ENTRY_V1_SIZE,
> > .txrx = {
> > .txd_size = sizeof(struct mtk_tx_dma),
> > .rxd_size = sizeof(struct mtk_rx_dma),
>
> ...
>
> > @@ -4889,8 +4889,8 @@ static const struct mtk_soc_data mt7981_data = {
> > .required_pctl = false,
> > .offload_version = 2,
> > .hash_offset = 4,
> > - .foe_entry_size = sizeof(struct mtk_foe_entry),
> > .has_accounting = true,
> > + .foe_entry_size = MTK_FOE_ENTRY_V2_SIZE,
> > .txrx = {
> > .txd_size = sizeof(struct mtk_tx_dma_v2),
> > .rxd_size = sizeof(struct mtk_rx_dma_v2),
>
> ...
>
> > diff --git a/drivers/net/ethernet/mediatek/mtk_ppe.h b/drivers/net/ethernet/mediatek/mtk_ppe.h
> > index e51de31a52ec..fb6bf58172d9 100644
> > --- a/drivers/net/ethernet/mediatek/mtk_ppe.h
> > +++ b/drivers/net/ethernet/mediatek/mtk_ppe.h
> > @@ -216,6 +216,9 @@ struct mtk_foe_ipv6_6rd {
> > struct mtk_foe_mac_info l2;
> > };
> >
> > +#define MTK_FOE_ENTRY_V1_SIZE 80
> > +#define MTK_FOE_ENTRY_V2_SIZE 96
>
> Hi Lorenzo,
>
> Would it make sense to define these in terms of sizeof(struct mtk_foe_entry) ?
>
Hi Simon,
I was discussing with Felix to have something like:
struct mtk_foe_entry_v1 {
u32 data[19];
};
struct mtk_foe_entry_v2 {
u32 data[23];
};
struct mtk_foe_entry {
u32 ib1;
union {
...
struct mtk_foe_entry_v1 e;
struct mtk_foe_entry_v2 e2;
};
};
and then relying on sizeof of struct mtk_foe_entry_v1/mtk_foe_entry_v2
but then we decided to have a simpler approach. What do you think?
Regards,
Lorenzo
> ...
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^ permalink raw reply [flat|nested] 5+ messages in thread* Re: [PATCH net-next] net: ethernet: mtk_ppe: add MTK_FOE_ENTRY_V{1,2}_SIZE macros
2023-07-20 20:52 ` Lorenzo Bianconi
@ 2023-07-21 6:52 ` Simon Horman
0 siblings, 0 replies; 5+ messages in thread
From: Simon Horman @ 2023-07-21 6:52 UTC (permalink / raw)
To: Lorenzo Bianconi
Cc: netdev, davem, edumazet, kuba, pabeni, nbd, john, sean.wang,
Mark-MC.Lee, lorenzo.bianconi, daniel
On Thu, Jul 20, 2023 at 10:52:15PM +0200, Lorenzo Bianconi wrote:
> > On Wed, Jul 19, 2023 at 12:29:49PM +0200, Lorenzo Bianconi wrote:
> > > Introduce MTK_FOE_ENTRY_V{1,2}_SIZE macros in order to make more
> > > explicit foe_entry size for different chipset revisions.
> > >
> > > Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
> > > ---
> > > drivers/net/ethernet/mediatek/mtk_eth_soc.c | 10 +++++-----
> > > drivers/net/ethernet/mediatek/mtk_ppe.h | 3 +++
> > > 2 files changed, 8 insertions(+), 5 deletions(-)
> > >
> > > diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
> > > index 834c644b67db..7f9e23ddb3c4 100644
> > > --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
> > > +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
> > > @@ -4811,7 +4811,7 @@ static const struct mtk_soc_data mt7621_data = {
> > > .required_pctl = false,
> > > .offload_version = 1,
> > > .hash_offset = 2,
> > > - .foe_entry_size = sizeof(struct mtk_foe_entry) - 16,
> > > + .foe_entry_size = MTK_FOE_ENTRY_V1_SIZE,
> > > .txrx = {
> > > .txd_size = sizeof(struct mtk_tx_dma),
> > > .rxd_size = sizeof(struct mtk_rx_dma),
> >
> > ...
> >
> > > @@ -4889,8 +4889,8 @@ static const struct mtk_soc_data mt7981_data = {
> > > .required_pctl = false,
> > > .offload_version = 2,
> > > .hash_offset = 4,
> > > - .foe_entry_size = sizeof(struct mtk_foe_entry),
> > > .has_accounting = true,
> > > + .foe_entry_size = MTK_FOE_ENTRY_V2_SIZE,
> > > .txrx = {
> > > .txd_size = sizeof(struct mtk_tx_dma_v2),
> > > .rxd_size = sizeof(struct mtk_rx_dma_v2),
> >
> > ...
> >
> > > diff --git a/drivers/net/ethernet/mediatek/mtk_ppe.h b/drivers/net/ethernet/mediatek/mtk_ppe.h
> > > index e51de31a52ec..fb6bf58172d9 100644
> > > --- a/drivers/net/ethernet/mediatek/mtk_ppe.h
> > > +++ b/drivers/net/ethernet/mediatek/mtk_ppe.h
> > > @@ -216,6 +216,9 @@ struct mtk_foe_ipv6_6rd {
> > > struct mtk_foe_mac_info l2;
> > > };
> > >
> > > +#define MTK_FOE_ENTRY_V1_SIZE 80
> > > +#define MTK_FOE_ENTRY_V2_SIZE 96
> >
> > Hi Lorenzo,
> >
> > Would it make sense to define these in terms of sizeof(struct mtk_foe_entry) ?
> >
>
> Hi Simon,
>
> I was discussing with Felix to have something like:
>
> struct mtk_foe_entry_v1 {
> u32 data[19];
> };
>
> struct mtk_foe_entry_v2 {
> u32 data[23];
> };
>
> struct mtk_foe_entry {
> u32 ib1;
>
> union {
> ...
> struct mtk_foe_entry_v1 e;
> struct mtk_foe_entry_v2 e2;
> };
> };
>
> and then relying on sizeof of struct mtk_foe_entry_v1/mtk_foe_entry_v2
> but then we decided to have a simpler approach. What do you think?
Hi Lorenzo,
I do see some value in something like what you have above.
But I also appreciate the value of simplicity.
So I have no objections if you prefer the patch in it's current form.
Reviewed-by: Simon Horman <simon.horman@corigine.com>
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [PATCH net-next] net: ethernet: mtk_ppe: add MTK_FOE_ENTRY_V{1,2}_SIZE macros
2023-07-19 10:29 [PATCH net-next] net: ethernet: mtk_ppe: add MTK_FOE_ENTRY_V{1,2}_SIZE macros Lorenzo Bianconi
2023-07-20 17:55 ` Simon Horman
@ 2023-07-21 7:50 ` patchwork-bot+netdevbpf
1 sibling, 0 replies; 5+ messages in thread
From: patchwork-bot+netdevbpf @ 2023-07-21 7:50 UTC (permalink / raw)
To: Lorenzo Bianconi
Cc: netdev, davem, edumazet, kuba, pabeni, nbd, john, sean.wang,
Mark-MC.Lee, lorenzo.bianconi, daniel
Hello:
This patch was applied to netdev/net-next.git (main)
by David S. Miller <davem@davemloft.net>:
On Wed, 19 Jul 2023 12:29:49 +0200 you wrote:
> Introduce MTK_FOE_ENTRY_V{1,2}_SIZE macros in order to make more
> explicit foe_entry size for different chipset revisions.
>
> Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
> ---
> drivers/net/ethernet/mediatek/mtk_eth_soc.c | 10 +++++-----
> drivers/net/ethernet/mediatek/mtk_ppe.h | 3 +++
> 2 files changed, 8 insertions(+), 5 deletions(-)
Here is the summary with links:
- [net-next] net: ethernet: mtk_ppe: add MTK_FOE_ENTRY_V{1,2}_SIZE macros
https://git.kernel.org/netdev/net-next/c/a5dc694e16d3
You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html
^ permalink raw reply [flat|nested] 5+ messages in thread
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2023-07-19 10:29 [PATCH net-next] net: ethernet: mtk_ppe: add MTK_FOE_ENTRY_V{1,2}_SIZE macros Lorenzo Bianconi
2023-07-20 17:55 ` Simon Horman
2023-07-20 20:52 ` Lorenzo Bianconi
2023-07-21 6:52 ` Simon Horman
2023-07-21 7:50 ` patchwork-bot+netdevbpf
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