Exemple #1
0
/*******************************************************************************
* tpm_tcam_get_aging_cntr()
*
* DESCRIPTION: The API get hit counter of specific TCAM entry
*
* INPUTS:   tid   - - TCAM entry number
*
* OUTPUTS:
*           None
* RETURNS:
*           Hit counter
*
* COMMENTS:
*           None
*
*******************************************************************************/
static inline MV_U32 tpm_tcam_get_aging_cntr(int32_t tid)
{
	unsigned long flags;
	MV_U32 hit_count;

	/* Lock the TCAM hit counter */
	spin_lock_irqsave(&tpmTcamAgingLock, flags);

	/* read aging hit counter by TID */
	hit_count = mvPncAgingCntrRead(tid);

	/* Unlock TCAM hit counter */
	spin_unlock_irqrestore(&tpmTcamAgingLock, flags);

	return hit_count;
}
static ssize_t tcam_store(struct device *dev, 
				   struct device_attribute *attr, const char *buf, size_t len)
{
	const char* name = attr->attr.name;
	unsigned int err=0, a=0, b=0;
	unsigned long flags;

	if (!capable(CAP_NET_ADMIN))
		return -EPERM;

	sscanf(buf,"%x %x",&a, &b);

	raw_local_irq_save(flags);

	if (!strcmp(name, "hw_write")) 
		tcam_hw_write(&te, a);
	else if (!strcmp(name, "hw_read")) 
		tcam_hw_read(&te, a);
	else if (!strcmp(name, "hw_debug")) 
		tcam_hw_debug(a);
	else if (!strcmp(name, "hw_inv")) 
		tcam_hw_inv(a);
	else if (!strcmp(name, "hw_inv_all")) 
		tcam_hw_inv_all();
	else if (!strcmp(name, "hw_hits")) 
		tcam_hw_record(a);
#ifdef CONFIG_MV_ETH_PNC_AGING
	else if (!strcmp(name, "age_clear")) 
		mvPncAgingCntrClear(a);
	else if (!strcmp(name, "age_cntr")) {
		b = mvPncAgingCntrRead(a);
		printk("tid=%d: age_cntr = 0x%08x\n", a, b);
	}
#endif /* CONFIG_MV_ETH_PNC_AGING */
	else if (!strcmp(name, "sw_clear")) 
		tcam_sw_clear(&te);
	else if (!strcmp(name, "sw_text")) 
	{
		/* Remove last byte (new line) from the buffer */
		int len = strlen(buf);
		char* temp = mvOsMalloc(len + 1);

		strncpy(temp, buf, len-1);
		temp[len-1] = 0;
		tcam_sw_text(&te, temp);
		mvOsFree(temp);
	}
	else if (!strcmp(name, "t_port"))
		tcam_sw_set_port(&te, a, b);	
	else if (!strcmp(name, "t_lookup")) 
		tcam_sw_set_lookup(&te, a);
	else if (!strcmp(name, "t_ainfo_0")) 
		tcam_sw_set_ainfo(&te, 0<<a, 1<<a);
	else if (!strcmp(name, "t_ainfo_1")) 
		tcam_sw_set_ainfo(&te, 1<<a, 1<<a);
	else if (!strcmp(name, "t_ainfo")) 
		tcam_sw_set_ainfo(&te, a, b);
	else if (!strcmp(name, "t_offset_byte"))
		tcam_sw_set_byte(&te, a, b);
	else if (!strcmp(name, "t_offset_mask"))
		tcam_sw_set_mask(&te, a, b);
	else if (!strcmp(name, "s_lookup")) 
		sram_sw_set_next_lookup(&te, a);
	else if (!strcmp(name, "s_ainfo")) 
		sram_sw_set_ainfo(&te, a, b);
	else if (!strcmp(name, "s_lookup_done"))
		sram_sw_set_lookup_done(&te, a);
	else if (!strcmp(name, "s_next_lookup_shift"))
		sram_sw_set_next_lookup_shift(&te, a);	
	else if (!strcmp(name, "s_rxq")) 
		sram_sw_set_rxq(&te, a, b);
	else if (!strcmp(name, "s_shift_update"))
		sram_sw_set_shift_update(&te,a,b);
	else if (!strcmp(name, "s_rinfo")) 
		sram_sw_set_rinfo(&te, 1 << a);
	else if (!strcmp(name, "s_rinfo_extra")) 
		sram_sw_set_rinfo_extra(&te, a << (b & ~1));
	else if (!strcmp(name, "s_flowid")) 
		sram_sw_set_flowid(&te, a, b);
	else if (!strcmp(name, "s_flowid_nibble")) 
		sram_sw_set_flowid_nibble(&te, a, b);
#ifdef CONFIG_MV_ETH_PNC_AGING
	else if (!strcmp(name, "age_gr_set")) 
		mvPncAgingCntrGroupSet(a, b);
#endif /* CONFIG_MV_ETH_PNC_AGING */
	else {
		err = 1;
		printk("%s: illegal operation <%s>\n", __FUNCTION__, attr->attr.name);
	}
	raw_local_irq_restore(flags);

	if (err) 
		printk("%s: <%s>, error %d\n", __FUNCTION__, attr->attr.name, err);
	
	return err ? -EINVAL : len;
}