[PATCH v2 iwl-next 0/3] igc: ethtool: Flex filter cleanup

[PATCH v2 iwl-next 0/3] igc: ethtool: Flex filter cleanup

[Kurt Kanzenbach]

Hi,

this series contains some cosmetics for the flex filter code. The fixes have
been merged separately via -net already.

Changes since v1:

 * Add Vinicius Ack
 * Rebase to v6.8-rc1
 * Wrap commit messages at 75 chars

Previous versions:

 * v1: https://lore.kernel.org/netdev/20231128074849.16863-1-kurt@linutronix.de/

Kurt Kanzenbach (3):
  igc: Use reverse xmas tree
  igc: Use netdev printing functions for flex filters
  igc: Unify filtering rule fields

 drivers/net/ethernet/intel/igc/igc.h         |  2 +-
 drivers/net/ethernet/intel/igc/igc_ethtool.c |  4 ++--
 drivers/net/ethernet/intel/igc/igc_main.c    | 21 ++++++++++----------
 3 files changed, 14 insertions(+), 13 deletions(-)

-- 
2.39.2

[PATCH v2 iwl-next 1/3] igc: Use reverse xmas tree

[Kurt Kanzenbach]

Use reverse xmas tree coding style convention in igc_add_flex_filter().

Signed-off-by: Kurt Kanzenbach <kurt@linutronix.de>
Acked-by: Vinicius Costa Gomes <vinicius.gomes@intel.com>
---
 drivers/net/ethernet/intel/igc/igc_main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/intel/igc/igc_main.c b/drivers/net/ethernet/intel/igc/igc_main.c
index ba8d3fe186ae..4b3faa9a667f 100644
--- a/drivers/net/ethernet/intel/igc/igc_main.c
+++ b/drivers/net/ethernet/intel/igc/igc_main.c
@@ -3577,9 +3577,9 @@ static bool igc_flex_filter_in_use(struct igc_adapter *adapter)
 static int igc_add_flex_filter(struct igc_adapter *adapter,
 			       struct igc_nfc_rule *rule)
 {
-	struct igc_flex_filter flex = { };
 	struct igc_nfc_filter *filter = &rule->filter;
 	unsigned int eth_offset, user_offset;
+	struct igc_flex_filter flex = { };
 	int ret, index;
 	bool vlan;
 
-- 
2.39.2

Re: [PATCH v2 iwl-next 1/3] igc: Use reverse xmas tree

[Simon Horman]

On Wed, Jan 24, 2024 at 09:55:30AM +0100, Kurt Kanzenbach wrote:
> Use reverse xmas tree coding style convention in igc_add_flex_filter().
> 
> Signed-off-by: Kurt Kanzenbach <kurt@linutronix.de>
> Acked-by: Vinicius Costa Gomes <vinicius.gomes@intel.com>

Reviewed-by: Simon Horman <horms@kernel.org>

Re: [Intel-wired-lan] [PATCH v2 iwl-next 1/3] igc: Use reverse xmas tree

[naamax.meir]

On 1/24/2024 10:55, Kurt Kanzenbach wrote:
> Use reverse xmas tree coding style convention in igc_add_flex_filter().
> 
> Signed-off-by: Kurt Kanzenbach <kurt@linutronix.de>
> Acked-by: Vinicius Costa Gomes <vinicius.gomes@intel.com>
> ---
>   drivers/net/ethernet/intel/igc/igc_main.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)

Tested-by: Naama Meir <naamax.meir@linux.intel.com>

[PATCH v2 iwl-next 2/3] igc: Use netdev printing functions for flex filters

[Kurt Kanzenbach]

All igc filter implementations use netdev_*() printing functions except for
the flex filters. Unify it.

Signed-off-by: Kurt Kanzenbach <kurt@linutronix.de>
Acked-by: Vinicius Costa Gomes <vinicius.gomes@intel.com>
---
 drivers/net/ethernet/intel/igc/igc_main.c | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/drivers/net/ethernet/intel/igc/igc_main.c b/drivers/net/ethernet/intel/igc/igc_main.c
index 4b3faa9a667f..91297b561519 100644
--- a/drivers/net/ethernet/intel/igc/igc_main.c
+++ b/drivers/net/ethernet/intel/igc/igc_main.c
@@ -3385,7 +3385,7 @@ static int igc_flex_filter_select(struct igc_adapter *adapter,
 	u32 fhftsl;
 
 	if (input->index >= MAX_FLEX_FILTER) {
-		dev_err(&adapter->pdev->dev, "Wrong Flex Filter index selected!\n");
+		netdev_err(adapter->netdev, "Wrong Flex Filter index selected!\n");
 		return -EINVAL;
 	}
 
@@ -3420,7 +3420,6 @@ static int igc_flex_filter_select(struct igc_adapter *adapter,
 static int igc_write_flex_filter_ll(struct igc_adapter *adapter,
 				    struct igc_flex_filter *input)
 {
-	struct device *dev = &adapter->pdev->dev;
 	struct igc_hw *hw = &adapter->hw;
 	u8 *data = input->data;
 	u8 *mask = input->mask;
@@ -3434,7 +3433,7 @@ static int igc_write_flex_filter_ll(struct igc_adapter *adapter,
 	 * out early to avoid surprises later.
 	 */
 	if (input->length % 8 != 0) {
-		dev_err(dev, "The length of a flex filter has to be 8 byte aligned!\n");
+		netdev_err(adapter->netdev, "The length of a flex filter has to be 8 byte aligned!\n");
 		return -EINVAL;
 	}
 
@@ -3504,8 +3503,8 @@ static int igc_write_flex_filter_ll(struct igc_adapter *adapter,
 	}
 	wr32(IGC_WUFC, wufc);
 
-	dev_dbg(&adapter->pdev->dev, "Added flex filter %u to HW.\n",
-		input->index);
+	netdev_dbg(adapter->netdev, "Added flex filter %u to HW.\n",
+		   input->index);
 
 	return 0;
 }
-- 
2.39.2

Re: [PATCH v2 iwl-next 2/3] igc: Use netdev printing functions for flex filters

[Simon Horman]

On Wed, Jan 24, 2024 at 09:55:31AM +0100, Kurt Kanzenbach wrote:
> All igc filter implementations use netdev_*() printing functions except for
> the flex filters. Unify it.
> 
> Signed-off-by: Kurt Kanzenbach <kurt@linutronix.de>
> Acked-by: Vinicius Costa Gomes <vinicius.gomes@intel.com>

Reviewed-by: Simon Horman <horms@kernel.org>

Re: [Intel-wired-lan] [PATCH v2 iwl-next 2/3] igc: Use netdev printing functions for flex filters

[naamax.meir]

On 1/24/2024 10:55, Kurt Kanzenbach wrote:
> All igc filter implementations use netdev_*() printing functions except for
> the flex filters. Unify it.
> 
> Signed-off-by: Kurt Kanzenbach <kurt@linutronix.de>
> Acked-by: Vinicius Costa Gomes <vinicius.gomes@intel.com>
> ---
>   drivers/net/ethernet/intel/igc/igc_main.c | 9 ++++-----
>   1 file changed, 4 insertions(+), 5 deletions(-)

Tested-by: Naama Meir <naamax.meir@linux.intel.com>

[PATCH v2 iwl-next 3/3] igc: Unify filtering rule fields

[Kurt Kanzenbach]

All filtering parameters such as EtherType and VLAN TCI are stored in host
byte order except for the VLAN EtherType. Unify it.

Signed-off-by: Kurt Kanzenbach <kurt@linutronix.de>
Acked-by: Vinicius Costa Gomes <vinicius.gomes@intel.com>
---
 drivers/net/ethernet/intel/igc/igc.h         |  2 +-
 drivers/net/ethernet/intel/igc/igc_ethtool.c |  4 ++--
 drivers/net/ethernet/intel/igc/igc_main.c    | 10 ++++++----
 3 files changed, 9 insertions(+), 7 deletions(-)

diff --git a/drivers/net/ethernet/intel/igc/igc.h b/drivers/net/ethernet/intel/igc/igc.h
index 45430e246e9c..158adb1594e9 100644
--- a/drivers/net/ethernet/intel/igc/igc.h
+++ b/drivers/net/ethernet/intel/igc/igc.h
@@ -585,7 +585,7 @@ enum igc_filter_match_flags {
 struct igc_nfc_filter {
 	u8 match_flags;
 	u16 etype;
-	__be16 vlan_etype;
+	u16 vlan_etype;
 	u16 vlan_tci;
 	u16 vlan_tci_mask;
 	u8 src_addr[ETH_ALEN];
diff --git a/drivers/net/ethernet/intel/igc/igc_ethtool.c b/drivers/net/ethernet/intel/igc/igc_ethtool.c
index b95d2c86e803..d31a6f027c83 100644
--- a/drivers/net/ethernet/intel/igc/igc_ethtool.c
+++ b/drivers/net/ethernet/intel/igc/igc_ethtool.c
@@ -981,7 +981,7 @@ static int igc_ethtool_get_nfc_rule(struct igc_adapter *adapter,
 
 	if (rule->filter.match_flags & IGC_FILTER_FLAG_VLAN_ETYPE) {
 		fsp->flow_type |= FLOW_EXT;
-		fsp->h_ext.vlan_etype = rule->filter.vlan_etype;
+		fsp->h_ext.vlan_etype = htons(rule->filter.vlan_etype);
 		fsp->m_ext.vlan_etype = ETHER_TYPE_FULL_MASK;
 	}
 
@@ -1249,7 +1249,7 @@ static void igc_ethtool_init_nfc_rule(struct igc_nfc_rule *rule,
 
 	/* VLAN etype matching */
 	if ((fsp->flow_type & FLOW_EXT) && fsp->h_ext.vlan_etype) {
-		rule->filter.vlan_etype = fsp->h_ext.vlan_etype;
+		rule->filter.vlan_etype = ntohs(fsp->h_ext.vlan_etype);
 		rule->filter.match_flags |= IGC_FILTER_FLAG_VLAN_ETYPE;
 	}
 
diff --git a/drivers/net/ethernet/intel/igc/igc_main.c b/drivers/net/ethernet/intel/igc/igc_main.c
index 91297b561519..c3fe62813f43 100644
--- a/drivers/net/ethernet/intel/igc/igc_main.c
+++ b/drivers/net/ethernet/intel/igc/igc_main.c
@@ -3614,10 +3614,12 @@ static int igc_add_flex_filter(struct igc_adapter *adapter,
 					  ETH_ALEN, NULL);
 
 	/* Add VLAN etype */
-	if (rule->filter.match_flags & IGC_FILTER_FLAG_VLAN_ETYPE)
-		igc_flex_filter_add_field(&flex, &filter->vlan_etype, 12,
-					  sizeof(filter->vlan_etype),
-					  NULL);
+	if (rule->filter.match_flags & IGC_FILTER_FLAG_VLAN_ETYPE) {
+		__be16 vlan_etype = cpu_to_be16(filter->vlan_etype);
+
+		igc_flex_filter_add_field(&flex, &vlan_etype, 12,
+					  sizeof(vlan_etype), NULL);
+	}
 
 	/* Add VLAN TCI */
 	if (rule->filter.match_flags & IGC_FILTER_FLAG_VLAN_TCI)
-- 
2.39.2

Re: [PATCH v2 iwl-next 3/3] igc: Unify filtering rule fields

[Simon Horman]

On Wed, Jan 24, 2024 at 09:55:32AM +0100, Kurt Kanzenbach wrote:
> All filtering parameters such as EtherType and VLAN TCI are stored in host
> byte order except for the VLAN EtherType. Unify it.
> 
> Signed-off-by: Kurt Kanzenbach <kurt@linutronix.de>
> Acked-by: Vinicius Costa Gomes <vinicius.gomes@intel.com>

Reviewed-by: Simon Horman <horms@kernel.org>

Re: [Intel-wired-lan] [PATCH v2 iwl-next 3/3] igc: Unify filtering rule fields

[naamax.meir]

On 1/24/2024 10:55, Kurt Kanzenbach wrote:
> All filtering parameters such as EtherType and VLAN TCI are stored in host
> byte order except for the VLAN EtherType. Unify it.
> 
> Signed-off-by: Kurt Kanzenbach <kurt@linutronix.de>
> Acked-by: Vinicius Costa Gomes <vinicius.gomes@intel.com>
> ---
>   drivers/net/ethernet/intel/igc/igc.h         |  2 +-
>   drivers/net/ethernet/intel/igc/igc_ethtool.c |  4 ++--
>   drivers/net/ethernet/intel/igc/igc_main.c    | 10 ++++++----
>   3 files changed, 9 insertions(+), 7 deletions(-)

Tested-by: Naama Meir <naamax.meir@linux.intel.com>