[PATCH net-next 1/5] r8152: separate the rx buffer size

Hayes Wang
2019-08-06T11:18:58Z

The different chips may accept different rx buffer sizes. The RTL8152
supports 16K bytes, and RTL8153 support 32K bytes.

Signed-off-by: Hayes Wang <hayeswang@realtek.com>
---
drivers/net/usb/r8152.c | 12 ++++++++----
1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
index 39e0768d734d..0f07ed05ab34 100644
--- a/drivers/net/usb/r8152.c
+++ b/drivers/net/usb/r8152.c
@@ -749,6 +749,7 @@ struct r8152 {
u32 msg_enable;
u32 tx_qlen;
u32 coalesce;
+ u32 rx_buf_sz;
u16 ocp_base;
u16 speed;
u8 *intr_buff;
@@ -1516,13 +1517,13 @@ static int alloc_all_mem(struct r8152 *tp)
skb_queue_head_init(&tp->rx_queue);

for (i = 0; i < RTL8152_MAX_RX; i++) {
- buf = kmalloc_node(agg_buf_sz, GFP_KERNEL, node);
+ buf = kmalloc_node(tp->rx_buf_sz, GFP_KERNEL, node);
if (!buf)
goto err1;

if (buf != rx_agg_align(buf)) {
kfree(buf);
- buf = kmalloc_node(agg_buf_sz + RX_ALIGN, GFP_KERNEL,
+ buf = kmalloc_node(tp->rx_buf_sz + RX_ALIGN, GFP_KERNEL,
node);
if (!buf)
goto err1;
@@ -2113,7 +2114,7 @@ int r8152_submit_rx(struct r8152 *tp, struct rx_agg *agg, gfp_t mem_flags)
return 0;

usb_fill_bulk_urb(agg->urb, tp->udev, usb_rcvbulkpipe(tp->udev, 1),
- agg->head, agg_buf_sz,
+ agg->head, tp->rx_buf_sz,
(usb_complete_t)read_bulk_callback, agg);

ret = usb_submit_urb(agg->urb, mem_flags);
@@ -2447,7 +2448,7 @@ static void r8153_set_rx_early_timeout(struct r8152 *tp)

static void r8153_set_rx_early_size(struct r8152 *tp)
{
- u32 ocp_data = agg_buf_sz - rx_reserved_size(tp->netdev->mtu);
+ u32 ocp_data = tp->rx_buf_sz - rx_reserved_size(tp->netdev->mtu);

switch (tp->version) {
case RTL_VER_03:
@@ -5115,6 +5116,7 @@ static int rtl_ops_init(struct r8152 *tp)
ops->in_nway = rtl8152_in_nway;
ops->hw_phy_cfg = r8152b_hw_phy_cfg;
ops->autosuspend_en = rtl_runtime_suspend_enable;
+ tp->rx_buf_sz = 16 * 1024;
break;

case RTL_VER_03:
@@ -5132,6 +5134,7 @@ static int rtl_ops_init(struct r8152 *tp)
ops->in_nway = rtl8153_in_nway;
ops->hw_phy_cfg = r8153_hw_phy_cfg;
ops->autosuspend_en = rtl8153_runtime_enable;
+ tp->rx_buf_sz = 32 * 1024;
break;

case RTL_VER_08:
@@ -5147,6 +5150,7 @@ static int rtl_ops_init(struct r8152 *tp)
ops->in_nway = rtl8153_in_nway;
ops->hw_phy_cfg = r8153b_hw_phy_cfg;
ops->autosuspend_en = rtl8153b_runtime_enable;
+ tp->rx_buf_sz = 32 * 1024;
break;

default:
--
2.21.0