[TG3]: Add memory test (7942e1db) · Commits · e / devices / android_kernel_fairphone_FP4

drivers/net/tg3.c

+60 −0

Original line number	Diff line number	Diff line
		@@ -7520,6 +7520,62 @@ static int tg3_test_registers(struct tg3 *tp)
		return -EIO;
		}

		static int tg3_do_mem_test(struct tg3 *tp, u32 offset, u32 len)
		{
		static u32 test_pattern[] = { 0x00000000, 0xffffffff, 0xaa55a55a };
		int i;
		u32 j;

		for (i = 0; i < sizeof(test_pattern)/sizeof(u32); i++) {
		for (j = 0; j < len; j += 4) {
		u32 val;

		tg3_write_mem(tp, offset + j, test_pattern[i]);
		tg3_read_mem(tp, offset + j, &val);
		if (val != test_pattern[i])
		return -EIO;
		}
		}
		return 0;
		}

		static int tg3_test_memory(struct tg3 *tp)
		{
		static struct mem_entry {
		u32 offset;
		u32 len;
		} mem_tbl_570x[] = {
		{ 0x00000000, 0x01000},
		{ 0x00002000, 0x1c000},
		{ 0xffffffff, 0x00000}
		}, mem_tbl_5705[] = {
		{ 0x00000100, 0x0000c},
		{ 0x00000200, 0x00008},
		{ 0x00000b50, 0x00400},
		{ 0x00004000, 0x00800},
		{ 0x00006000, 0x01000},
		{ 0x00008000, 0x02000},
		{ 0x00010000, 0x0e000},
		{ 0xffffffff, 0x00000}
		};
		struct mem_entry *mem_tbl;
		int err = 0;
		int i;

		if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
		mem_tbl = mem_tbl_5705;
		else
		mem_tbl = mem_tbl_570x;

		for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
		if ((err = tg3_do_mem_test(tp, mem_tbl[i].offset,
		mem_tbl[i].len)) != 0)
		break;
		}

		return err;
		}

		static void tg3_self_test(struct net_device dev, struct ethtool_test etest,
		u64 *data)
		{
		@@ -7553,6 +7609,10 @@ static void tg3_self_test(struct net_device dev, struct ethtool_test etest,
		etest->flags \|= ETH_TEST_FL_FAILED;
		data[2] = 1;
		}
		if (tg3_test_memory(tp) != 0) {
		etest->flags \|= ETH_TEST_FL_FAILED;
		data[3] = 1;
		}

		tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
		if (netif_running(dev)) {