netdev - [PATCH net-next 07/11] sfc: Filter cleanups for Falcon and Siena

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Date: Thu, 27 Jul 2023 11:41:15 +0100
From: Martin Habets <habetsm.xilinx@...il.com>
To: davem@...emloft.net, kuba@...nel.org, pabeni@...hat.com,
 edumazet@...gle.com
Cc: netdev@...r.kernel.org, linux-net-drivers@....com
Subject: [PATCH net-next 07/11] sfc: Filter cleanups for Falcon and Siena

unicast_filter and multicast_hash are no longer needed.

Signed-off-by: Martin Habets <habetsm.xilinx@...il.com>
Acked-by: Edward Cree <ecree.xilinx@...il.com>
---
 drivers/net/ethernet/sfc/mcdi_port_common.c |    5 -----
 drivers/net/ethernet/sfc/net_driver.h       |   18 ------------------
 2 files changed, 23 deletions(-)

diff --git a/drivers/net/ethernet/sfc/mcdi_port_common.c b/drivers/net/ethernet/sfc/mcdi_port_common.c
index 0ab14f3d01d4..76ea26722ca4 100644
--- a/drivers/net/ethernet/sfc/mcdi_port_common.c
+++ b/drivers/net/ethernet/sfc/mcdi_port_common.c
@@ -1106,11 +1106,6 @@ int efx_mcdi_set_mac(struct efx_nic *efx)
 
 	MCDI_SET_DWORD(cmdbytes, SET_MAC_IN_MTU, efx_calc_mac_mtu(efx));
 	MCDI_SET_DWORD(cmdbytes, SET_MAC_IN_DRAIN, 0);
-
-	/* Set simple MAC filter for Siena */
-	MCDI_POPULATE_DWORD_1(cmdbytes, SET_MAC_IN_REJECT,
-			      SET_MAC_IN_REJECT_UNCST, efx->unicast_filter);
-
 	MCDI_POPULATE_DWORD_1(cmdbytes, SET_MAC_IN_FLAGS,
 			      SET_MAC_IN_FLAG_INCLUDE_FCS,
 			      !!(efx->net_dev->features & NETIF_F_RXFCS));
diff --git a/drivers/net/ethernet/sfc/net_driver.h b/drivers/net/ethernet/sfc/net_driver.h
index 474ee577bf0f..6654fbb8f4c0 100644
--- a/drivers/net/ethernet/sfc/net_driver.h
+++ b/drivers/net/ethernet/sfc/net_driver.h
@@ -752,18 +752,6 @@ struct efx_hw_stat_desc {
 	u16 offset;
 };
 
-/* Number of bits used in a multicast filter hash address */
-#define EFX_MCAST_HASH_BITS 8
-
-/* Number of (single-bit) entries in a multicast filter hash */
-#define EFX_MCAST_HASH_ENTRIES (1 << EFX_MCAST_HASH_BITS)
-
-/* An Efx multicast filter hash */
-union efx_multicast_hash {
-	u8 byte[EFX_MCAST_HASH_ENTRIES / 8];
-	efx_oword_t oword[EFX_MCAST_HASH_ENTRIES / sizeof(efx_oword_t) / 8];
-};
-
 struct vfdi_status;
 
 /* The reserved RSS context value */
@@ -955,10 +943,6 @@ struct efx_mae;
  *	see &enum ethtool_fec_config_bits.
  * @link_state: Current state of the link
  * @n_link_state_changes: Number of times the link has changed state
- * @unicast_filter: Flag for Falcon-arch simple unicast filter.
- *	Protected by @mac_lock.
- * @multicast_hash: Multicast hash table for Falcon-arch.
- *	Protected by @mac_lock.
  * @wanted_fc: Wanted flow control flags
  * @fc_disable: When non-zero flow control is disabled. Typically used to
  *	ensure that network back pressure doesn't delay dma queue flushes.
@@ -1137,8 +1121,6 @@ struct efx_nic {
 	struct efx_link_state link_state;
 	unsigned int n_link_state_changes;
 
-	bool unicast_filter;
-	union efx_multicast_hash multicast_hash;
 	u8 wanted_fc;
 	unsigned fc_disable;