From befe82133588c3b3c44c5e803b4b434e8665a673 Mon Sep 17 00:00:00 2001
From: Nimrod Andy <B38611@freescale.com>
Date: Tue, 23 Sep 2014 15:40:55 +0800
Subject: [PATCH] net: fec: Add Ftype to BD to distiguish three tx queues for
AVB
The current driver loss Ftype field init for BD, which cause tx
queue #1 and #2 cannot work well.
Add Ftype field to BD to distiguish three queues for AVB:
0 -> Best Effort
1 -> ClassA
2 -> ClassB
Signed-off-by: Fugang Duan <B38611@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/ethernet/freescale/fec.h | 1 +
drivers/net/ethernet/freescale/fec_main.c | 11 +++++++++++
2 files changed, 12 insertions(+)
diff --git a/drivers/net/ethernet/freescale/fec.h b/drivers/net/ethernet/freescale/fec.h
index 26fb1de98826c..354a30954fb12 100644
--- a/drivers/net/ethernet/freescale/fec.h
+++ b/drivers/net/ethernet/freescale/fec.h
@@ -308,6 +308,7 @@ struct bufdesc_ex {
#define RCMR_CMP_2 (RCMR_CMP_CFG(4, 0) | RCMR_CMP_CFG(5, 1) | \
RCMR_CMP_CFG(6, 2) | RCMR_CMP_CFG(7, 3))
#define RCMR_CMP(X) ((X == 1) ? RCMR_CMP_1 : RCMR_CMP_2)
+#define FEC_TX_BD_FTYPE(X) ((X & 0xF) << 20)
/* The number of Tx and Rx buffers. These are allocated from the page
* pool. The code may assume these are power of two, so it it best
diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
index 7379f4bb74b06..5386f885feda0 100644
--- a/drivers/net/ethernet/freescale/fec_main.c
+++ b/drivers/net/ethernet/freescale/fec_main.c
@@ -426,6 +426,8 @@ fec_enet_txq_submit_frag_skb(struct fec_enet_priv_tx_q *txq,
}
if (fep->bufdesc_ex) {
+ if (id_entry->driver_data & FEC_QUIRK_HAS_AVB)
+ estatus |= FEC_TX_BD_FTYPE(queue);
if (skb->ip_summed == CHECKSUM_PARTIAL)
estatus |= BD_ENET_TX_PINS | BD_ENET_TX_IINS;
ebdp->cbd_bdu = 0;
@@ -555,6 +557,9 @@ static int fec_enet_txq_submit_skb(struct fec_enet_priv_tx_q *txq,
fep->hwts_tx_en))
skb_shinfo(skb)->tx_flags |= SKBTX_IN_PROGRESS;
+ if (id_entry->driver_data & FEC_QUIRK_HAS_AVB)
+ estatus |= FEC_TX_BD_FTYPE(queue);
+
if (skb->ip_summed == CHECKSUM_PARTIAL)
estatus |= BD_ENET_TX_PINS | BD_ENET_TX_IINS;
@@ -599,6 +604,7 @@ fec_enet_txq_put_data_tso(struct fec_enet_priv_tx_q *txq, struct sk_buff *skb,
const struct platform_device_id *id_entry =
platform_get_device_id(fep->pdev);
struct bufdesc_ex *ebdp = container_of(bdp, struct bufdesc_ex, desc);
+ unsigned short queue = skb_get_queue_mapping(skb);
unsigned short status;
unsigned int estatus = 0;
dma_addr_t addr;
@@ -629,6 +635,8 @@ fec_enet_txq_put_data_tso(struct fec_enet_priv_tx_q *txq, struct sk_buff *skb,
bdp->cbd_bufaddr = addr;
if (fep->bufdesc_ex) {
+ if (id_entry->driver_data & FEC_QUIRK_HAS_AVB)
+ estatus |= FEC_TX_BD_FTYPE(queue);
if (skb->ip_summed == CHECKSUM_PARTIAL)
estatus |= BD_ENET_TX_PINS | BD_ENET_TX_IINS;
ebdp->cbd_bdu = 0;
@@ -659,6 +667,7 @@ fec_enet_txq_put_hdr_tso(struct fec_enet_priv_tx_q *txq,
platform_get_device_id(fep->pdev);
int hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
struct bufdesc_ex *ebdp = container_of(bdp, struct bufdesc_ex, desc);
+ unsigned short queue = skb_get_queue_mapping(skb);
void *bufaddr;
unsigned long dmabuf;
unsigned short status;
@@ -692,6 +701,8 @@ fec_enet_txq_put_hdr_tso(struct fec_enet_priv_tx_q *txq,
bdp->cbd_datlen = hdr_len;
if (fep->bufdesc_ex) {
+ if (id_entry->driver_data & FEC_QUIRK_HAS_AVB)
+ estatus |= FEC_TX_BD_FTYPE(queue);
if (skb->ip_summed == CHECKSUM_PARTIAL)
estatus |= BD_ENET_TX_PINS | BD_ENET_TX_IINS;
ebdp->cbd_bdu = 0;
--
2.30.2