diff mbox series

[net-next,1/3] octeontx2-af: Remove redundant functions mac2u64() and cfg2mac()

Message ID 20230808114504.4036008-2-lizetao1@huawei.com (mailing list archive)
State Accepted
Commit 7d0bc2602308ec0a183241914b0646d99d0fb541
Delegated to: Netdev Maintainers
Headers show
Series Remove redundant functions and use generic functions | expand

Checks

Context Check Description
netdev/series_format success Posting correctly formatted
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: 9 this patch: 9
netdev/cc_maintainers success CCed 11 of 11 maintainers
netdev/build_clang success Errors and warnings before: 1353 this patch: 1353
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: 1353 this patch: 1353
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 56 lines checked
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

lizetao Aug. 8, 2023, 11:45 a.m. UTC
The mac2u64() is used to convert an Ethernet MAC address into a u64 value,
as this is exactly what ether_addr_to_u64() does. Similarly, the cfg2mac()
is also the case. Use ether_addr_to_u64() and u64_to_ether_addr() instead
of these two.

Signed-off-by: Li Zetao <lizetao1@huawei.com>
---
 .../net/ethernet/marvell/octeontx2/af/cgx.c   | 26 +++----------------
 1 file changed, 4 insertions(+), 22 deletions(-)

Comments

Geethasowjanya Akula Aug. 9, 2023, 3:27 a.m. UTC | #1
> -----Original Message-----
> From: Li Zetao <lizetao1@huawei.com>
> Sent: Tuesday, August 8, 2023 5:15 PM
> To: Sunil Kovvuri Goutham <sgoutham@marvell.com>; Linu Cherian
> <lcherian@marvell.com>; Geethasowjanya Akula <gakula@marvell.com>;
> Jerin Jacob Kollanukkaran <jerinj@marvell.com>; Hariprasad Kelam
> <hkelam@marvell.com>; Subbaraya Sundeep Bhatta
> <sbhatta@marvell.com>; davem@davemloft.net; edumazet@google.com;
> kuba@kernel.org; pabeni@redhat.com
> Cc: lizetao1@huawei.com; netdev@vger.kernel.org
> Subject: [EXT] [PATCH net-next 1/3] octeontx2-af: Remove redundant
> functions mac2u64() and cfg2mac()
> 
> External Email
> 
> ----------------------------------------------------------------------
> The mac2u64() is used to convert an Ethernet MAC address into a u64 value,
> as this is exactly what ether_addr_to_u64() does. Similarly, the cfg2mac() is
> also the case. Use ether_addr_to_u64() and u64_to_ether_addr() instead of
> these two.
> 
> Signed-off-by: Li Zetao <lizetao1@huawei.com>
> ---
>  .../net/ethernet/marvell/octeontx2/af/cgx.c   | 26 +++----------------
>  1 file changed, 4 insertions(+), 22 deletions(-)
> 
> diff --git a/drivers/net/ethernet/marvell/octeontx2/af/cgx.c
> b/drivers/net/ethernet/marvell/octeontx2/af/cgx.c
> index 592037f4e55b..988383e20bb8 100644
> --- a/drivers/net/ethernet/marvell/octeontx2/af/cgx.c
> +++ b/drivers/net/ethernet/marvell/octeontx2/af/cgx.c
> @@ -223,24 +223,6 @@ int cgx_get_link_info(void *cgxd, int lmac_id,
>  	return 0;
>  }
> 
> -static u64 mac2u64 (u8 *mac_addr)
> -{
> -	u64 mac = 0;
> -	int index;
> -
> -	for (index = ETH_ALEN - 1; index >= 0; index--)
> -		mac |= ((u64)*mac_addr++) << (8 * index);
> -	return mac;
> -}
> -
> -static void cfg2mac(u64 cfg, u8 *mac_addr) -{
> -	int i, index = 0;
> -
> -	for (i = ETH_ALEN - 1; i >= 0; i--, index++)
> -		mac_addr[i] = (cfg >> (8 * index)) & 0xFF;
> -}
> -
>  int cgx_lmac_addr_set(u8 cgx_id, u8 lmac_id, u8 *mac_addr)  {
>  	struct cgx *cgx_dev = cgx_get_pdata(cgx_id); @@ -255,7 +237,7 @@
> int cgx_lmac_addr_set(u8 cgx_id, u8 lmac_id, u8 *mac_addr)
>  	/* copy 6bytes from macaddr */
>  	/* memcpy(&cfg, mac_addr, 6); */
> 
> -	cfg = mac2u64 (mac_addr);
> +	cfg = ether_addr_to_u64(mac_addr);
> 
>  	id = get_sequence_id_of_lmac(cgx_dev, lmac_id);
> 
> @@ -322,7 +304,7 @@ int cgx_lmac_addr_add(u8 cgx_id, u8 lmac_id, u8
> *mac_addr)
> 
>  	index = id * lmac->mac_to_index_bmap.max + idx;
> 
> -	cfg = mac2u64 (mac_addr);
> +	cfg = ether_addr_to_u64(mac_addr);
>  	cfg |= CGX_DMAC_CAM_ADDR_ENABLE;
>  	cfg |= ((u64)lmac_id << 49);
>  	cgx_write(cgx_dev, 0, (CGXX_CMRX_RX_DMAC_CAM0 + (index *
> 0x8)), cfg); @@ -405,7 +387,7 @@ int cgx_lmac_addr_update(u8 cgx_id, u8
> lmac_id, u8 *mac_addr, u8 index)
> 
>  	cfg = cgx_read(cgx_dev, 0, (CGXX_CMRX_RX_DMAC_CAM0 + (index *
> 0x8)));
>  	cfg &= ~CGX_RX_DMAC_ADR_MASK;
> -	cfg |= mac2u64 (mac_addr);
> +	cfg |= ether_addr_to_u64(mac_addr);
> 
>  	cgx_write(cgx_dev, 0, (CGXX_CMRX_RX_DMAC_CAM0 + (index *
> 0x8)), cfg);
>  	return 0;
> @@ -441,7 +423,7 @@ int cgx_lmac_addr_del(u8 cgx_id, u8 lmac_id, u8
> index)
>  	/* Read MAC address to check whether it is ucast or mcast */
>  	cfg = cgx_read(cgx_dev, 0, (CGXX_CMRX_RX_DMAC_CAM0 + (index *
> 0x8)));
> 
> -	cfg2mac(cfg, mac);
> +	u64_to_ether_addr(cfg, mac);
>  	if (is_multicast_ether_addr(mac))
>  		lmac->mcast_filters_count--;
> 
> --
> 2.34.1
Ack. Thanks for the patch.
diff mbox series

Patch

diff --git a/drivers/net/ethernet/marvell/octeontx2/af/cgx.c b/drivers/net/ethernet/marvell/octeontx2/af/cgx.c
index 592037f4e55b..988383e20bb8 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/cgx.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/cgx.c
@@ -223,24 +223,6 @@  int cgx_get_link_info(void *cgxd, int lmac_id,
 	return 0;
 }
 
-static u64 mac2u64 (u8 *mac_addr)
-{
-	u64 mac = 0;
-	int index;
-
-	for (index = ETH_ALEN - 1; index >= 0; index--)
-		mac |= ((u64)*mac_addr++) << (8 * index);
-	return mac;
-}
-
-static void cfg2mac(u64 cfg, u8 *mac_addr)
-{
-	int i, index = 0;
-
-	for (i = ETH_ALEN - 1; i >= 0; i--, index++)
-		mac_addr[i] = (cfg >> (8 * index)) & 0xFF;
-}
-
 int cgx_lmac_addr_set(u8 cgx_id, u8 lmac_id, u8 *mac_addr)
 {
 	struct cgx *cgx_dev = cgx_get_pdata(cgx_id);
@@ -255,7 +237,7 @@  int cgx_lmac_addr_set(u8 cgx_id, u8 lmac_id, u8 *mac_addr)
 	/* copy 6bytes from macaddr */
 	/* memcpy(&cfg, mac_addr, 6); */
 
-	cfg = mac2u64 (mac_addr);
+	cfg = ether_addr_to_u64(mac_addr);
 
 	id = get_sequence_id_of_lmac(cgx_dev, lmac_id);
 
@@ -322,7 +304,7 @@  int cgx_lmac_addr_add(u8 cgx_id, u8 lmac_id, u8 *mac_addr)
 
 	index = id * lmac->mac_to_index_bmap.max + idx;
 
-	cfg = mac2u64 (mac_addr);
+	cfg = ether_addr_to_u64(mac_addr);
 	cfg |= CGX_DMAC_CAM_ADDR_ENABLE;
 	cfg |= ((u64)lmac_id << 49);
 	cgx_write(cgx_dev, 0, (CGXX_CMRX_RX_DMAC_CAM0 + (index * 0x8)), cfg);
@@ -405,7 +387,7 @@  int cgx_lmac_addr_update(u8 cgx_id, u8 lmac_id, u8 *mac_addr, u8 index)
 
 	cfg = cgx_read(cgx_dev, 0, (CGXX_CMRX_RX_DMAC_CAM0 + (index * 0x8)));
 	cfg &= ~CGX_RX_DMAC_ADR_MASK;
-	cfg |= mac2u64 (mac_addr);
+	cfg |= ether_addr_to_u64(mac_addr);
 
 	cgx_write(cgx_dev, 0, (CGXX_CMRX_RX_DMAC_CAM0 + (index * 0x8)), cfg);
 	return 0;
@@ -441,7 +423,7 @@  int cgx_lmac_addr_del(u8 cgx_id, u8 lmac_id, u8 index)
 	/* Read MAC address to check whether it is ucast or mcast */
 	cfg = cgx_read(cgx_dev, 0, (CGXX_CMRX_RX_DMAC_CAM0 + (index * 0x8)));
 
-	cfg2mac(cfg, mac);
+	u64_to_ether_addr(cfg, mac);
 	if (is_multicast_ether_addr(mac))
 		lmac->mcast_filters_count--;