C++ (Cpp) tcam_sw_get_port Examples

Example #1

File: pnc_sysfs.c Project: DentonGentry/gfiber-gfrg100

static ssize_t tcam_show(struct device *dev, 
				  struct device_attribute *attr, char *buf)
{
	const char* name = attr->attr.name;
	unsigned int v, m;

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

	if (!strcmp(name, "t_port")) {	
		tcam_sw_get_port(&te, &v, &m);
		return mvOsSPrintf(buf, "value:0x%x mask:0x%x\n", v, m);
	}
	else if (!strcmp(name, "t_lookup")) {
		tcam_sw_get_lookup(&te, &v, &m);
		return mvOsSPrintf(buf, "value:0x%x mask:0x%x\n", v, m);
	}
	else if (!strcmp(name, "sw_dump")) 
		return tcam_sw_dump(&te, buf);
	else if (!strcmp(name, "hw_dump")) 
		return tcam_hw_dump(0);
	else if (!strcmp(name, "hw_dump_all")) 
		return tcam_hw_dump(1);
	else if (!strcmp(name, "hw_regs")) 
		mvNetaPncRegs();
	else if (!strcmp(name, "hw_hits")) 
		return tcam_hw_hits(buf);
#ifdef CONFIG_MV_ETH_PNC_AGING
	else if (!strcmp(name, "age_dump")) 
		mvPncAgingDump(0);
	else if (!strcmp(name, "age_dump_all")) 
		mvPncAgingDump(1);
	else if (!strcmp(name, "age_scan")) 
		mvPncAgingScannerDump();
	else if (!strcmp(name, "age_reset")) 
		mvPncAgingReset();
#endif /* CONFIG_MV_ETH_PNC_AGING */
	else if (!strcmp(name, "help")) 
		return tcam_help(buf);

	return 0;
}

Example #2

/*
 * pnc_mcast_all - Accept all MAC multicast of port
 * @port: ingress giga port number.
 * @en: 1 - Accept ALL MCAST, 0 - Discard ALL MCAST
 */
int pnc_mcast_all(unsigned int port, int en)
{
	struct tcam_entry *te;
	unsigned int data, mask;

	te = pnc_tcam_entry_get(TE_MAC_MC_ALL);
	if (te == NULL) {
		mvOsPrintf("%s: MC_ALL entry (tid=%d) is invalid\n", __func__, TE_MAC_MC_ALL);
		return 1;
	}

	/* Update port mask */
	tcam_sw_get_port(te, &data, &mask);
	mask = pnc_port_mask_update(mask, port, en);

	tcam_sw_set_port(te, data, mask);
	tcam_sw_text(te, "mcast_all");

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

	return 0;
}

Example #3

/*
 * pnc_mcast_me - Add DA MAC address of port
 * @mac: Multicast MAC DA or NULL to delete all Multicast DAs for this port
 * @port: ingress giga port number
 */
int pnc_mcast_me(unsigned int port, unsigned char *mac)
{
	struct tcam_entry *te;
	int tid, empty = -1;
	unsigned int data, mask;

	if (mac == NULL) {
		/* Delete all Multicast addresses for this port */
		for (tid = (TE_MAC_MC_ALL + 1); tid <= TE_MAC_MC_L; tid++) {
			/* Check TCAM entry */
			te = pnc_tcam_entry_get(tid);
			if (te != NULL) {
				/* delete entry if belong specific port */
				tcam_sw_get_port(te, &data, &mask);
				mask = pnc_port_mask_update(mask, port, 0);
				if (mask == PORT_MASK) {	/* No valid ports */
					tcam_hw_inv(tid);
				} else {
					tcam_sw_set_port(te, data, mask);
					tcam_hw_write(te, tid);
				}
				tcam_sw_free(te);
			}
		}
		return 0;
	}

	/* Add new Multicast DA for this port */
	for (tid = (TE_MAC_MC_ALL + 1); tid <= TE_MAC_MC_L; tid++) {
		te = pnc_tcam_entry_get(tid);

		/* Remember first Empty entry */
		if (te == NULL) {
			if (empty == -1)
				empty = tid;

			continue;
		}

		/* Find existing TCAM entry with this DA */
		if (tcam_sw_cmp_bytes(te, MV_ETH_MH_SIZE, MV_MAC_ADDR_SIZE, mac) == 0) {
			/* check and update port mask */
			tcam_sw_get_port(te, &data, &mask);
			mask = pnc_port_mask_update(mask, port, 1);
			tcam_sw_set_port(te, data, mask);

			tcam_hw_write(te, tid);
			tcam_sw_free(te);
			return 0;
		}
		tcam_sw_free(te);
	}

	/* Not found existing entry and no free TCAM entry - Failed */
	if (empty == -1)
		return 1;

	/* Not found existing entry - add to free TCAM entry */
	te = pnc_mac_da(mac, MV_MAC_ADDR_SIZE, pnc_port_mask(port), rxq_mac_mc, RI_DA_MC);
	tcam_sw_text(te, "mcast_me");

	tcam_hw_write(te, empty);
	tcam_sw_free(te);
	return 0;
}