On 17.8.2015 13:10, Corcodel Marian wrote:
Put rx_buf_sz on rtl_cfg_info structure and add new
parameter rx_buf_coef.Param rx_buf_sz may be different by nic's and same
rx_buf_coef On RTL 8101 series rx_buf_coef is not equal with rx_buf_sz.
Add --whitespace=warn on git
Signed-off-by: Corcodel Marian corcodel.mar...@gmail.com
diff --git a/drivers/net/ethernet/realtek/r8169.c
b/drivers/net/ethernet/realtek/r8169.c
index 6882eab..fecb7c9 100644
--- a/drivers/net/ethernet/realtek/r8169.c
+++ b/drivers/net/ethernet/realtek/r8169.c
@@ -344,7 +344,7 @@ static const struct pci_device_id rtl8169_pci_tbl[] = {
MODULE_DEVICE_TABLE(pci, rtl8169_pci_tbl);
-static int rx_buf_sz = 16383;
+//static int rx_buf_sz = 16383;
static int use_dac;
static struct {
u32 msg_enable;
@@ -784,6 +784,8 @@ struct rtl8169_private {
u16 cp_cmd;
u16 event_slow;
+u16 rx_buf_sz;
+u16 rx_buf_coef;
struct mdio_ops {
void (*write)(struct rtl8169_private *, int, int);
@@ -5321,7 +5323,7 @@ static void rtl_hw_start_8169(struct net_device *dev)
RTL_W8(EarlyTxThres, NoEarlyTx);
- rtl_set_rx_max_size(ioaddr, rx_buf_sz);
+ rtl_set_rx_max_size(ioaddr, tp-rx_buf_sz);
if (tp-mac_version == RTL_GIGA_MAC_VER_01 ||
tp-mac_version == RTL_GIGA_MAC_VER_02 ||
@@ -6229,7 +6231,7 @@ static void rtl_hw_start_8168(struct net_device *dev)
RTL_W8(MaxTxPacketSize, TxPacketMax);
- rtl_set_rx_max_size(ioaddr, rx_buf_sz);
+ rtl_set_rx_max_size(ioaddr, tp-rx_buf_sz);
tp-cp_cmd |= RTL_R16(CPlusCmd) | PktCntrDisable | INTT_1;
@@ -6523,7 +6525,7 @@ static void rtl_hw_start_8101(struct net_device *dev)
RTL_W8(MaxTxPacketSize, TxPacketMax);
- rtl_set_rx_max_size(ioaddr, rx_buf_sz);
+ rtl_set_rx_max_size(ioaddr, tp-rx_buf_sz);
tp-cp_cmd = ~R810X_CPCMD_QUIRK_MASK;
RTL_W16(CPlusCmd, tp-cp_cmd);
@@ -6609,7 +6611,7 @@ static inline void rtl8169_make_unusable_by_asic(struct
RxDesc *desc)
static void rtl8169_free_rx_databuff(struct rtl8169_private *tp,
void **data_buff, struct RxDesc *desc)
{
- dma_unmap_single(tp-pci_dev-dev, le64_to_cpu(desc-addr), rx_buf_sz,
+ dma_unmap_single(tp-pci_dev-dev, le64_to_cpu(desc-addr),
tp-rx_buf_sz,
DMA_FROM_DEVICE);
kfree(*data_buff);
@@ -6617,21 +6619,22 @@ static void rtl8169_free_rx_databuff(struct
rtl8169_private *tp,
rtl8169_make_unusable_by_asic(desc);
}
-static inline void rtl8169_mark_to_asic(struct RxDesc *desc, u32 rx_buf_sz)
+static inline void rtl8169_mark_to_asic(struct RxDesc *desc, u32 rx_buf_sz,
+u32 rx_buf_coef)
{
u32 eor = le32_to_cpu(desc-opts1) RingEnd;
/* Force memory writes to complete before releasing descriptor */
dma_wmb();
- desc-opts1 = cpu_to_le32(DescOwn | eor | rx_buf_sz);
+ desc-opts1 = cpu_to_le32(DescOwn | eor | (rx_buf_sz rx_buf_coef));
}
static inline void rtl8169_map_to_asic(struct RxDesc *desc, dma_addr_t
mapping,
- u32 rx_buf_sz)
+ u32 rx_buf_sz, u32 rx_buf_coef)
{
desc-addr = cpu_to_le64(mapping);
- rtl8169_mark_to_asic(desc, rx_buf_sz);
+ rtl8169_mark_to_asic(desc, rx_buf_sz, rx_buf_coef);
}
static inline void *rtl8169_align(void *data)
@@ -6648,18 +6651,18 @@ static struct sk_buff *rtl8169_alloc_rx_data(struct
rtl8169_private *tp,
struct net_device *dev = tp-dev;
int node = dev-dev.parent ? dev_to_node(dev-dev.parent) : -1;
- data = kmalloc_node(rx_buf_sz, GFP_KERNEL, node);
+ data = kmalloc_node(tp-rx_buf_sz, GFP_KERNEL, node);
if (!data)
return NULL;
if (rtl8169_align(data) != data) {
kfree(data);
- data = kmalloc_node(rx_buf_sz + 15, GFP_KERNEL, node);
+ data = kmalloc_node(tp-rx_buf_sz + 15, GFP_KERNEL, node);
if (!data)
return NULL;
}
- mapping = dma_map_single(d, rtl8169_align(data), rx_buf_sz,
+ mapping = dma_map_single(d, rtl8169_align(data), tp-rx_buf_sz,
DMA_FROM_DEVICE);
if (unlikely(dma_mapping_error(d, mapping))) {
if (net_ratelimit())
@@ -6667,7 +6670,7 @@ static struct sk_buff *rtl8169_alloc_rx_data(struct
rtl8169_private *tp,
goto err_out;
}
- rtl8169_map_to_asic(desc, mapping, rx_buf_sz);
+ rtl8169_map_to_asic(desc, mapping, tp-rx_buf_sz, tp-rx_buf_coef);
return data;
err_out:
@@ -6785,7 +6788,8 @@ static void rtl_reset_work(struct rtl8169_private *tp)
rtl8169_hw_reset(tp);
for (i = 0; i NUM_RX_DESC; i++)
- rtl8169_mark_to_asic(tp-RxDescArray + i, rx_buf_sz);
+ rtl8169_mark_to_asic(tp-RxDescArray
