diff options
| author |   Vladimir Oltean <vladimir.oltean@nxp.com> | 2019-11-14 17:03:24 +0200 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2019-11-15 12:32:16 -0800 |
| commit | f24711fddc36aa7286af724393ef7334b92c5702 (patch) | |
| tree | 2c7ab06424090344e52444891926a524a54f77dd /drivers/net/ethernet/mscc | |
| parent | net: mscc: ocelot: create a helper for changing the port MTU (diff) | |
| download | linux-dev-f24711fddc36aa7286af724393ef7334b92c5702.tar.xz linux-dev-f24711fddc36aa7286af724393ef7334b92c5702.zip | |
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 <vladimir.oltean@nxp.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/mscc')
| -rw-r--r-- | drivers/net/ethernet/mscc/ocelot.c | 4 | ||||
| -rw-r--r-- | drivers/net/ethernet/mscc/ocelot.h | 4 | ||||
| -rw-r--r-- | drivers/net/ethernet/mscc/ocelot_board.c | 2 |
3 files changed, 5 insertions, 5 deletions
diff --git a/drivers/net/ethernet/mscc/ocelot.c b/drivers/net/ethernet/mscc/ocelot.c index 8ede8ad902c9..8b73d760dfa5 100644 --- 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_buff *skb, struct net_device *dev) 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_buff *skb, struct net_device *dev) 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); diff --git a/drivers/net/ethernet/mscc/ocelot.h b/drivers/net/ethernet/mscc/ocelot.h index 7e28434c22c1..9159b0adf1e7 100644 --- 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 diff --git a/drivers/net/ethernet/mscc/ocelot_board.c b/drivers/net/ethernet/mscc/ocelot_board.c index de2da6d33d43..32aafd951483 100644 --- 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_handler(int irq, void *arg) 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; |