Example #1
0
/*
 * pnc_mac_init - GE init phase configuration
 */
static int pnc_mac_init(void)
{
	struct tcam_entry *te;
	unsigned char da_mc[6] = { 0x01, 0x00, 0x00, 0x00, 0x00, 0x00 };
	unsigned char da_mc_mask[6] = { 0x01, 0x00, 0x00, 0x00, 0x00, 0x00 };
	unsigned char da_bc[6] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };

	PNC_DBG("%s\n", __func__);

	/* broadcast - for all ports */
	te = pnc_mac_da(da_bc, 6, 0, rxq_mac_bc, RI_DA_BC);
	tcam_sw_text(te, "bcast");

	tcam_hw_write(te, TE_MAC_BC);
	tcam_sw_free(te);

	/* flow control PAUSE frames - discard for all ports by default */
	pnc_mac_fc_drop();

	/* All Multicast - no ports by default */
	te = pnc_mac_da_mask(da_mc, da_mc_mask, 1, PORT_MASK, rxq_mac_mc, RI_DA_MC);
	tcam_sw_text(te, "mcast_all");

	tcam_hw_write(te, TE_MAC_MC_ALL);
	tcam_sw_free(te);

	/* end of section */
	te = tcam_sw_alloc(TCAM_LU_MAC);
	sram_sw_set_flowid(te, FLOWID_EOF_LU_MAC, 0xF);

	/* Non-promiscous mode - DROP unknown packets */
	sram_sw_set_rinfo(te, RI_DROP);
	sram_sw_set_lookup_done(te, 1);
	tcam_sw_text(te, "mac_eof");

	tcam_hw_write(te, TE_MAC_EOF);
	tcam_sw_free(te);

	return 0;
}
Example #2
0
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;
}