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path: root/drivers/net/ethernet/microchip/sparx5
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Diffstat (limited to 'drivers/net/ethernet/microchip/sparx5')
-rw-r--r--drivers/net/ethernet/microchip/sparx5/sparx5_mirror.c12
-rw-r--r--drivers/net/ethernet/microchip/sparx5/sparx5_packet.c6
2 files changed, 11 insertions, 7 deletions
diff --git a/drivers/net/ethernet/microchip/sparx5/sparx5_mirror.c b/drivers/net/ethernet/microchip/sparx5/sparx5_mirror.c
index 15db423be4aa..459a53676ae9 100644
--- a/drivers/net/ethernet/microchip/sparx5/sparx5_mirror.c
+++ b/drivers/net/ethernet/microchip/sparx5/sparx5_mirror.c
@@ -31,10 +31,10 @@ static u64 sparx5_mirror_port_get(struct sparx5 *sparx5, u32 idx)
/* Add port to mirror (only front ports) */
static void sparx5_mirror_port_add(struct sparx5 *sparx5, u32 idx, u32 portno)
{
- u32 val, reg = portno;
+ u64 reg = portno;
+ u32 val;
- reg = portno / BITS_PER_BYTE;
- val = BIT(portno % BITS_PER_BYTE);
+ val = BIT(do_div(reg, 32));
if (reg == 0)
return spx5_rmw(val, val, sparx5, ANA_AC_PROBE_PORT_CFG(idx));
@@ -45,10 +45,10 @@ static void sparx5_mirror_port_add(struct sparx5 *sparx5, u32 idx, u32 portno)
/* Delete port from mirror (only front ports) */
static void sparx5_mirror_port_del(struct sparx5 *sparx5, u32 idx, u32 portno)
{
- u32 val, reg = portno;
+ u64 reg = portno;
+ u32 val;
- reg = portno / BITS_PER_BYTE;
- val = BIT(portno % BITS_PER_BYTE);
+ val = BIT(do_div(reg, 32));
if (reg == 0)
return spx5_rmw(0, val, sparx5, ANA_AC_PROBE_PORT_CFG(idx));
diff --git a/drivers/net/ethernet/microchip/sparx5/sparx5_packet.c b/drivers/net/ethernet/microchip/sparx5/sparx5_packet.c
index f3f5fb420468..70427643f777 100644
--- a/drivers/net/ethernet/microchip/sparx5/sparx5_packet.c
+++ b/drivers/net/ethernet/microchip/sparx5/sparx5_packet.c
@@ -45,8 +45,12 @@ void sparx5_ifh_parse(u32 *ifh, struct frame_info *info)
fwd = (fwd >> 5);
info->src_port = FIELD_GET(GENMASK(7, 1), fwd);
+ /*
+ * Bit 270-271 are occasionally unexpectedly set by the hardware,
+ * clear bits before extracting timestamp
+ */
info->timestamp =
- ((u64)xtr_hdr[2] << 24) |
+ ((u64)(xtr_hdr[2] & GENMASK(5, 0)) << 24) |
((u64)xtr_hdr[3] << 16) |
((u64)xtr_hdr[4] << 8) |
((u64)xtr_hdr[5] << 0);