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SubjectRe: [PATCH 1/4] net: hns: add Hisilicon RoCE support(the dependent routine)
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Hi, dledford
thanks your reviewing.
I will send a new patch soon.

thanks
Lijun Ou
On 2016/3/6 22:25, Leon Romanovsky wrote:
> Please rewrite your title to be without (...).
>
> On Fri, Mar 04, 2016 at 04:41:14PM +0800, Wei Hu(Xavier) wrote:
>> It added hns_dsaf_roce_reset routine for roce driver.
>> RoCE is a feature of hns.
>> In hip06 SOC, in roce reset process, it's needed to configure
>> dsaf channel reset,port and sl map info.
>>
>> Signed-off-by: Wei Hu(Xavier) <xavier.huwei@huawei.com>
>> Signed-off-by: Lisheng <lisheng011@huawei.com>
>> Signed-off-by: oulijun <oulijun@huawei.com>
>> ---
>> drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c | 82 ++++++++++++++++++++++
>> drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.h | 7 ++
>> drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c | 62 +++++++++++++---
>> drivers/net/ethernet/hisilicon/hns/hns_dsaf_reg.h | 14 ++++
>> 4 files changed, 155 insertions(+), 10 deletions(-)
>>
>> diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c
>> index 9439f04..41ba948 100644
>> --- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c
>> +++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c
>> @@ -12,6 +12,7 @@
>> #include <linux/init.h>
>> #include <linux/interrupt.h>
>> #include <linux/netdevice.h>
>> +#include <linux/of_platform.h>
>> #include <linux/platform_device.h>
>> #include <linux/of.h>
>> #include <linux/of_address.h>
>> @@ -2556,6 +2557,87 @@ static struct platform_driver g_dsaf_driver = {
>>
>> module_platform_driver(g_dsaf_driver);
>>
>> +/**
>> + * hns_dsaf_roce_reset - reset dsaf and roce
>> + * @dsaf_fwnode: Pointer to framework node for the dasf
>> + * @val: 0 - request reset , 1 - drop reset
>> + * retuen 0 - success , negative --fail
>> + */
>> +int hns_dsaf_roce_reset(struct fwnode_handle *dsaf_fwnode, u32 val)
>> +{
>> + struct dsaf_device *dsaf_dev;
>> + struct platform_device *pdev;
>> + unsigned int mp;
>> + unsigned int sl;
>> + unsigned int credit;
>> + int i;
>> + const u32 port_map[DSAF_ROCE_CREDIT_CHN][DSAF_ROCE_CHAN_MODE] = {
>> + {0, 0, 0},
>> + {1, 0, 0},
>> + {2, 1, 0},
>> + {3, 1, 0},
>> + {4, 2, 1},
>> + {4, 2, 1},
>> + {5, 3, 1},
>> + {5, 3, 1},
>> + };
>> + const u32 sl_map[DSAF_ROCE_CREDIT_CHN][DSAF_ROCE_CHAN_MODE] = {
>> + {0, 0, 0},
>> + {0, 1, 1},
>> + {0, 0, 2},
>> + {0, 1, 3},
>> + {0, 0, 0},
>> + {1, 1, 1},
>> + {0, 0, 2},
>> + {1, 1, 3},
>> + };
>
> Please prefer enums/defines instead of hard coded values.
> it is applicable to whole submitted code.
>
>
> .
>


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