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authorJakub Kicinski <kuba@kernel.org>2024-08-22 13:03:59 -0700
committerJakub Kicinski <kuba@kernel.org>2024-08-22 13:04:45 -0700
commit2696c15ce065252fe53d4a38b847383153cdfd71 (patch)
tree2d8ae31971e5762abe7c157581cdbee0c848533a
parenta812a3f45cae787abe29567749a0acc879d2df37 (diff)
parent797a68c9de0f5a5447baf4bd3bb9c10a3993435b (diff)
downloadlwn-2696c15ce065252fe53d4a38b847383153cdfd71.tar.gz
lwn-2696c15ce065252fe53d4a38b847383153cdfd71.zip
Merge branch 'net-xilinx-axienet-multicast-fixes-and-improvements'
Sean Anderson says: ==================== net: xilinx: axienet: Multicast fixes and improvements [part] ==================== First two patches of the series which are fixes. Link: https://patch.msgid.link/20240822154059.1066595-1-sean.anderson@linux.dev Signed-off-by: Jakub Kicinski <kuba@kernel.org>
-rw-r--r--drivers/net/ethernet/xilinx/xilinx_axienet.h1
-rw-r--r--drivers/net/ethernet/xilinx/xilinx_axienet_main.c25
2 files changed, 14 insertions, 12 deletions
diff --git a/drivers/net/ethernet/xilinx/xilinx_axienet.h b/drivers/net/ethernet/xilinx/xilinx_axienet.h
index c7d9221fafdc..09c9f9787180 100644
--- a/drivers/net/ethernet/xilinx/xilinx_axienet.h
+++ b/drivers/net/ethernet/xilinx/xilinx_axienet.h
@@ -170,6 +170,7 @@
#define XAE_UAW0_OFFSET 0x00000700 /* Unicast address word 0 */
#define XAE_UAW1_OFFSET 0x00000704 /* Unicast address word 1 */
#define XAE_FMI_OFFSET 0x00000708 /* Frame Filter Control */
+#define XAE_FFE_OFFSET 0x0000070C /* Frame Filter Enable */
#define XAE_AF0_OFFSET 0x00000710 /* Address Filter 0 */
#define XAE_AF1_OFFSET 0x00000714 /* Address Filter 1 */
diff --git a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c
index 02fdf66e07fa..9aeb7b9f3ae4 100644
--- a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c
+++ b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c
@@ -432,7 +432,7 @@ static int netdev_set_mac_address(struct net_device *ndev, void *p)
*/
static void axienet_set_multicast_list(struct net_device *ndev)
{
- int i;
+ int i = 0;
u32 reg, af0reg, af1reg;
struct axienet_local *lp = netdev_priv(ndev);
@@ -450,7 +450,10 @@ static void axienet_set_multicast_list(struct net_device *ndev)
} else if (!netdev_mc_empty(ndev)) {
struct netdev_hw_addr *ha;
- i = 0;
+ reg = axienet_ior(lp, XAE_FMI_OFFSET);
+ reg &= ~XAE_FMI_PM_MASK;
+ axienet_iow(lp, XAE_FMI_OFFSET, reg);
+
netdev_for_each_mc_addr(ha, ndev) {
if (i >= XAE_MULTICAST_CAM_TABLE_NUM)
break;
@@ -469,6 +472,7 @@ static void axienet_set_multicast_list(struct net_device *ndev)
axienet_iow(lp, XAE_FMI_OFFSET, reg);
axienet_iow(lp, XAE_AF0_OFFSET, af0reg);
axienet_iow(lp, XAE_AF1_OFFSET, af1reg);
+ axienet_iow(lp, XAE_FFE_OFFSET, 1);
i++;
}
} else {
@@ -476,18 +480,15 @@ static void axienet_set_multicast_list(struct net_device *ndev)
reg &= ~XAE_FMI_PM_MASK;
axienet_iow(lp, XAE_FMI_OFFSET, reg);
-
- for (i = 0; i < XAE_MULTICAST_CAM_TABLE_NUM; i++) {
- reg = axienet_ior(lp, XAE_FMI_OFFSET) & 0xFFFFFF00;
- reg |= i;
-
- axienet_iow(lp, XAE_FMI_OFFSET, reg);
- axienet_iow(lp, XAE_AF0_OFFSET, 0);
- axienet_iow(lp, XAE_AF1_OFFSET, 0);
- }
-
dev_info(&ndev->dev, "Promiscuous mode disabled.\n");
}
+
+ for (; i < XAE_MULTICAST_CAM_TABLE_NUM; i++) {
+ reg = axienet_ior(lp, XAE_FMI_OFFSET) & 0xFFFFFF00;
+ reg |= i;
+ axienet_iow(lp, XAE_FMI_OFFSET, reg);
+ axienet_iow(lp, XAE_FFE_OFFSET, 0);
+ }
}
/**