From f53826ed84b6ce7c588949263cc9dedf3c577aa6 Mon Sep 17 00:00:00 2001 From: Vladimir Oltean Date: Thu, 14 Nov 2019 17:03:24 +0200 Subject: [PATCH] net: mscc: ocelot: export a constant for the tag length in bytes This constant will be used in a future patch to increase the MTU on NPI ports, and will also be used in the tagger driver for Felix. Signed-off-by: Vladimir Oltean Reviewed-by: Florian Fainelli Signed-off-by: David S. Miller --- drivers/net/ethernet/mscc/ocelot.c | 4 ++-- drivers/net/ethernet/mscc/ocelot.h | 4 ++-- drivers/net/ethernet/mscc/ocelot_board.c | 2 +- 3 files changed, 5 insertions(+), 5 deletions(-) --- a/drivers/net/ethernet/mscc/ocelot.c +++ b/drivers/net/ethernet/mscc/ocelot.c @@ -576,11 +576,11 @@ static int ocelot_port_xmit(struct sk_bu struct skb_shared_info *shinfo = skb_shinfo(skb); struct ocelot_port *ocelot_port = &priv->port; struct ocelot *ocelot = ocelot_port->ocelot; + u32 val, ifh[OCELOT_TAG_LEN / 4]; struct frame_info info = {}; u8 grp = 0; /* Send everything on CPU group 0 */ unsigned int i, count, last; int port = priv->chip_port; - u32 val, ifh[IFH_LEN]; val = ocelot_read(ocelot, QS_INJ_STATUS); if (!(val & QS_INJ_STATUS_FIFO_RDY(BIT(grp))) || @@ -603,7 +603,7 @@ static int ocelot_port_xmit(struct sk_bu ocelot_gen_ifh(ifh, &info); - for (i = 0; i < IFH_LEN; i++) + for (i = 0; i < OCELOT_TAG_LEN / 4; i++) ocelot_write_rix(ocelot, (__force u32)cpu_to_be32(ifh[i]), QS_INJ_WR, grp); --- a/drivers/net/ethernet/mscc/ocelot.h +++ b/drivers/net/ethernet/mscc/ocelot.h @@ -43,8 +43,6 @@ #define OCELOT_PTP_QUEUE_SZ 128 -#define IFH_LEN 4 - struct frame_info { u32 len; u16 port; @@ -66,6 +64,8 @@ struct frame_info { #define IFH_REW_OP_TWO_STEP_PTP 0x3 #define IFH_REW_OP_ORIGIN_PTP 0x5 +#define OCELOT_TAG_LEN 16 + #define OCELOT_SPEED_2500 0 #define OCELOT_SPEED_1000 1 #define OCELOT_SPEED_100 2 --- a/drivers/net/ethernet/mscc/ocelot_board.c +++ b/drivers/net/ethernet/mscc/ocelot_board.c @@ -105,7 +105,7 @@ static irqreturn_t ocelot_xtr_irq_handle int sz, len, buf_len; struct sk_buff *skb; - for (i = 0; i < IFH_LEN; i++) { + for (i = 0; i < OCELOT_TAG_LEN / 4; i++) { err = ocelot_rx_frame_word(ocelot, grp, true, &ifh[i]); if (err != 4) break;