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icnss: Add support of setting MAC address from platform driver

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Add support of setting WLAN MAC address from platform driver.
The MAC address will be passed to WLAN driver when WLAN is
turned on.

CRs-Fixed: 1096286
Change-Id: I249222b419dd130241cbc84f4d41709b408941e0
Signed-off-by: Yuanyuan Liu <yuanliu@codeaurora.org>
This commit is contained in:
Yuanyuan Liu 2016-12-01 10:55:25 -08:00
parent a27b2f1789
commit d9a8fa86c0
2 changed files with 86 additions and 0 deletions
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83
drivers/soc/qcom/icnss.c
View file

@ -36,6 +36,7 @@
#include <linux/thread_info.h>
#include <linux/uaccess.h>
#include <linux/qpnp/qpnp-adc.h>
#include <linux/etherdevice.h>
#include <soc/qcom/memory_dump.h>
#include <soc/qcom/icnss.h>
#include <soc/qcom/msm_qmi_interface.h>
@ -409,6 +410,12 @@ struct icnss_stats {
uint32_t vbatt_req_err;
};
#define MAX_NO_OF_MAC_ADDR 4
struct icnss_wlan_mac_addr {
u8 mac_addr[MAX_NO_OF_MAC_ADDR][ETH_ALEN];
uint32_t no_of_mac_addr_set;
};
static struct icnss_priv {
uint32_t magic;
struct platform_device *pdev;
@ -466,6 +473,8 @@ static struct icnss_priv {
uint64_t vph_pwr;
atomic_t pm_count;
struct ramdump_device *msa0_dump_dev;
bool is_wlan_mac_set;
struct icnss_wlan_mac_addr wlan_mac_addr;
} *penv;
static void icnss_hw_write_reg(void *base, u32 offset, u32 val)
@ -3548,6 +3557,80 @@ unsigned int icnss_socinfo_get_serial_number(struct device *dev)
}
EXPORT_SYMBOL(icnss_socinfo_get_serial_number);
int icnss_set_wlan_mac_address(struct device *dev,
const u8 *in, uint32_t len)
{
struct icnss_priv *priv = dev_get_drvdata(dev);
uint32_t no_of_mac_addr;
struct icnss_wlan_mac_addr *addr = NULL;
int iter;
u8 *temp = NULL;
if (priv->magic != ICNSS_MAGIC) {
icnss_pr_err("Invalid drvdata: dev %p, data %p, magic 0x%x\n",
dev, priv, priv->magic);
return -EINVAL;
}
if (priv->is_wlan_mac_set) {
icnss_pr_dbg("WLAN MAC address is already set\n");
return 0;
}
if (len == 0 || (len % ETH_ALEN) != 0) {
icnss_pr_err("Invalid length %d\n", len);
return -EINVAL;
}
no_of_mac_addr = len / ETH_ALEN;
if (no_of_mac_addr > MAX_NO_OF_MAC_ADDR) {
icnss_pr_err("Exceed maxinum supported MAC address %u %u\n",
MAX_NO_OF_MAC_ADDR, no_of_mac_addr);
return -EINVAL;
}
priv->is_wlan_mac_set = true;
addr = &priv->wlan_mac_addr;
addr->no_of_mac_addr_set = no_of_mac_addr;
temp = &addr->mac_addr[0][0];
for (iter = 0; iter < no_of_mac_addr;
++iter, temp += ETH_ALEN, in += ETH_ALEN) {
ether_addr_copy(temp, in);
icnss_pr_dbg("MAC_ADDR:%02x:%02x:%02x:%02x:%02x:%02x\n",
temp[0], temp[1], temp[2],
temp[3], temp[4], temp[5]);
}
return 0;
}
EXPORT_SYMBOL(icnss_set_wlan_mac_address);
u8 *icnss_get_wlan_mac_address(struct device *dev, uint32_t *num)
{
struct icnss_priv *priv = dev_get_drvdata(dev);
struct icnss_wlan_mac_addr *addr = NULL;
if (priv->magic != ICNSS_MAGIC) {
icnss_pr_err("Invalid drvdata: dev %p, data %p, magic 0x%x\n",
dev, priv, priv->magic);
goto out;
}
if (!priv->is_wlan_mac_set) {
icnss_pr_dbg("WLAN MAC address is not set\n");
goto out;
}
addr = &priv->wlan_mac_addr;
*num = addr->no_of_mac_addr_set;
return &addr->mac_addr[0][0];
out:
*num = 0;
return NULL;
}
EXPORT_SYMBOL(icnss_get_wlan_mac_address);
static int icnss_smmu_init(struct icnss_priv *priv)
{
struct dma_iommu_mapping *mapping;

3
include/soc/qcom/icnss.h
View file

@ -124,5 +124,8 @@ extern int icnss_get_wlan_unsafe_channel(u16 *unsafe_ch_list, u16 *ch_count,
extern int icnss_wlan_set_dfs_nol(const void *info, u16 info_len);
extern int icnss_wlan_get_dfs_nol(void *info, u16 info_len);
extern bool icnss_is_qmi_disable(void);
extern int icnss_set_wlan_mac_address(struct device *dev,
const u8 *in, uint32_t len);
extern u8 *icnss_get_wlan_mac_address(struct device *dev, uint32_t *num);
#endif /* _ICNSS_WLAN_H_ */