diff mbox series

[net-next] net: atl1c: switch to napi_consume_skb()

Message ID 20230921005623.3768-1-liew.s.piaw@gmail.com (mailing list archive)
State Accepted
Commit d87c59f2b00d03fa1c30ca72ed73e8ec17d3b601
Delegated to: Netdev Maintainers
Headers show
Series [net-next] net: atl1c: switch to napi_consume_skb() | expand

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Context Check Description
netdev/series_format success Single patches do not need cover letters
netdev/tree_selection success Clearly marked for net-next
netdev/fixes_present success Fixes tag not required for -next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 1369 this patch: 1369
netdev/cc_maintainers warning 1 maintainers not CCed: edumazet@google.com
netdev/build_clang success Errors and warnings before: 1363 this patch: 1363
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/deprecated_api success None detected
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 1392 this patch: 1392
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 49 lines checked
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

Sieng-Piaw Liew Sept. 21, 2023, 12:56 a.m. UTC
Switch to napi_consume_skb() to take advantage of bulk free, and skb
reuse through skb cache in conjunction with napi_build_skb().

When parameter 'budget' = 0, indicating non-NAPI context,
dev_consume_skb_any() is called internally.

Signed-off-by: Sieng-Piaw Liew <liew.s.piaw@gmail.com>
---
 drivers/net/ethernet/atheros/atl1c/atl1c_main.c | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

Comments

Simon Horman Sept. 28, 2023, 11:35 a.m. UTC | #1
+ Eric Dumazet

On Thu, Sep 21, 2023 at 08:56:23AM +0800, Sieng-Piaw Liew wrote:
> Switch to napi_consume_skb() to take advantage of bulk free, and skb
> reuse through skb cache in conjunction with napi_build_skb().
> 
> When parameter 'budget' = 0, indicating non-NAPI context,
> dev_consume_skb_any() is called internally.
> 
> Signed-off-by: Sieng-Piaw Liew <liew.s.piaw@gmail.com>

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

> ---
>  drivers/net/ethernet/atheros/atl1c/atl1c_main.c | 13 +++++++------
>  1 file changed, 7 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/net/ethernet/atheros/atl1c/atl1c_main.c b/drivers/net/ethernet/atheros/atl1c/atl1c_main.c
> index 74b78164cf74..46cdc32b4e31 100644
> --- a/drivers/net/ethernet/atheros/atl1c/atl1c_main.c
> +++ b/drivers/net/ethernet/atheros/atl1c/atl1c_main.c
> @@ -842,7 +842,8 @@ static int atl1c_sw_init(struct atl1c_adapter *adapter)
>  }
>  
>  static inline void atl1c_clean_buffer(struct pci_dev *pdev,
> -				struct atl1c_buffer *buffer_info)
> +				      struct atl1c_buffer *buffer_info,
> +				      int budget)
>  {
>  	u16 pci_driection;
>  	if (buffer_info->flags & ATL1C_BUFFER_FREE)
> @@ -861,7 +862,7 @@ static inline void atl1c_clean_buffer(struct pci_dev *pdev,
>  				       buffer_info->length, pci_driection);
>  	}
>  	if (buffer_info->skb)
> -		dev_consume_skb_any(buffer_info->skb);
> +		napi_consume_skb(buffer_info->skb, budget);
>  	buffer_info->dma = 0;
>  	buffer_info->skb = NULL;
>  	ATL1C_SET_BUFFER_STATE(buffer_info, ATL1C_BUFFER_FREE);
> @@ -882,7 +883,7 @@ static void atl1c_clean_tx_ring(struct atl1c_adapter *adapter,
>  	ring_count = tpd_ring->count;
>  	for (index = 0; index < ring_count; index++) {
>  		buffer_info = &tpd_ring->buffer_info[index];
> -		atl1c_clean_buffer(pdev, buffer_info);
> +		atl1c_clean_buffer(pdev, buffer_info, 0);
>  	}
>  
>  	netdev_tx_reset_queue(netdev_get_tx_queue(adapter->netdev, queue));
> @@ -909,7 +910,7 @@ static void atl1c_clean_rx_ring(struct atl1c_adapter *adapter, u32 queue)
>  
>  	for (j = 0; j < rfd_ring->count; j++) {
>  		buffer_info = &rfd_ring->buffer_info[j];
> -		atl1c_clean_buffer(pdev, buffer_info);
> +		atl1c_clean_buffer(pdev, buffer_info, 0);
>  	}
>  	/* zero out the descriptor ring */
>  	memset(rfd_ring->desc, 0, rfd_ring->size);
> @@ -1607,7 +1608,7 @@ static int atl1c_clean_tx(struct napi_struct *napi, int budget)
>  			total_bytes += buffer_info->skb->len;
>  			total_packets++;
>  		}
> -		atl1c_clean_buffer(pdev, buffer_info);
> +		atl1c_clean_buffer(pdev, buffer_info, budget);
>  		if (++next_to_clean == tpd_ring->count)
>  			next_to_clean = 0;
>  		atomic_set(&tpd_ring->next_to_clean, next_to_clean);
> @@ -2151,7 +2152,7 @@ static void atl1c_tx_rollback(struct atl1c_adapter *adpt,
>  	while (index != tpd_ring->next_to_use) {
>  		tpd = ATL1C_TPD_DESC(tpd_ring, index);
>  		buffer_info = &tpd_ring->buffer_info[index];
> -		atl1c_clean_buffer(adpt->pdev, buffer_info);
> +		atl1c_clean_buffer(adpt->pdev, buffer_info, 0);
>  		memset(tpd, 0, sizeof(struct atl1c_tpd_desc));
>  		if (++index == tpd_ring->count)
>  			index = 0;
> -- 
> 2.34.1
> 
>
patchwork-bot+netdevbpf@kernel.org Oct. 1, 2023, 1 p.m. UTC | #2
Hello:

This patch was applied to netdev/net-next.git (main)
by David S. Miller <davem@davemloft.net>:

On Thu, 21 Sep 2023 08:56:23 +0800 you wrote:
> Switch to napi_consume_skb() to take advantage of bulk free, and skb
> reuse through skb cache in conjunction with napi_build_skb().
> 
> When parameter 'budget' = 0, indicating non-NAPI context,
> dev_consume_skb_any() is called internally.
> 
> Signed-off-by: Sieng-Piaw Liew <liew.s.piaw@gmail.com>
> 
> [...]

Here is the summary with links:
  - [net-next] net: atl1c: switch to napi_consume_skb()
    https://git.kernel.org/netdev/net-next/c/d87c59f2b00d

You are awesome, thank you!
diff mbox series

Patch

diff --git a/drivers/net/ethernet/atheros/atl1c/atl1c_main.c b/drivers/net/ethernet/atheros/atl1c/atl1c_main.c
index 74b78164cf74..46cdc32b4e31 100644
--- a/drivers/net/ethernet/atheros/atl1c/atl1c_main.c
+++ b/drivers/net/ethernet/atheros/atl1c/atl1c_main.c
@@ -842,7 +842,8 @@  static int atl1c_sw_init(struct atl1c_adapter *adapter)
 }
 
 static inline void atl1c_clean_buffer(struct pci_dev *pdev,
-				struct atl1c_buffer *buffer_info)
+				      struct atl1c_buffer *buffer_info,
+				      int budget)
 {
 	u16 pci_driection;
 	if (buffer_info->flags & ATL1C_BUFFER_FREE)
@@ -861,7 +862,7 @@  static inline void atl1c_clean_buffer(struct pci_dev *pdev,
 				       buffer_info->length, pci_driection);
 	}
 	if (buffer_info->skb)
-		dev_consume_skb_any(buffer_info->skb);
+		napi_consume_skb(buffer_info->skb, budget);
 	buffer_info->dma = 0;
 	buffer_info->skb = NULL;
 	ATL1C_SET_BUFFER_STATE(buffer_info, ATL1C_BUFFER_FREE);
@@ -882,7 +883,7 @@  static void atl1c_clean_tx_ring(struct atl1c_adapter *adapter,
 	ring_count = tpd_ring->count;
 	for (index = 0; index < ring_count; index++) {
 		buffer_info = &tpd_ring->buffer_info[index];
-		atl1c_clean_buffer(pdev, buffer_info);
+		atl1c_clean_buffer(pdev, buffer_info, 0);
 	}
 
 	netdev_tx_reset_queue(netdev_get_tx_queue(adapter->netdev, queue));
@@ -909,7 +910,7 @@  static void atl1c_clean_rx_ring(struct atl1c_adapter *adapter, u32 queue)
 
 	for (j = 0; j < rfd_ring->count; j++) {
 		buffer_info = &rfd_ring->buffer_info[j];
-		atl1c_clean_buffer(pdev, buffer_info);
+		atl1c_clean_buffer(pdev, buffer_info, 0);
 	}
 	/* zero out the descriptor ring */
 	memset(rfd_ring->desc, 0, rfd_ring->size);
@@ -1607,7 +1608,7 @@  static int atl1c_clean_tx(struct napi_struct *napi, int budget)
 			total_bytes += buffer_info->skb->len;
 			total_packets++;
 		}
-		atl1c_clean_buffer(pdev, buffer_info);
+		atl1c_clean_buffer(pdev, buffer_info, budget);
 		if (++next_to_clean == tpd_ring->count)
 			next_to_clean = 0;
 		atomic_set(&tpd_ring->next_to_clean, next_to_clean);
@@ -2151,7 +2152,7 @@  static void atl1c_tx_rollback(struct atl1c_adapter *adpt,
 	while (index != tpd_ring->next_to_use) {
 		tpd = ATL1C_TPD_DESC(tpd_ring, index);
 		buffer_info = &tpd_ring->buffer_info[index];
-		atl1c_clean_buffer(adpt->pdev, buffer_info);
+		atl1c_clean_buffer(adpt->pdev, buffer_info, 0);
 		memset(tpd, 0, sizeof(struct atl1c_tpd_desc));
 		if (++index == tpd_ring->count)
 			index = 0;