Commit e56270f6 authored Feb 16, 2016 by Yuval Mintz Committed by David S. Miller Feb 16, 2016

bnx2x: Warn about grc timeouts in register dump



There are several scenarios where taking a register dump from a device
might log benign GRC timeout attentions to system logs.
Most common of those is when taking the dump from a 2-port device.

Sadly, there's no easy way to mask the problematic attentions during the
flow - Changing this behvaior would require a firmware update.
For now, simply warn users to ignore the warnings.

Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent e5d3a51c

drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -981,6 +981,11 @@ static void bnx2x_get_regs(struct net_device *dev,
		memcpy(p, &dump_hdr, sizeof(struct dump_header));
		p += dump_hdr.header_size + 1;

		/* This isn't really an error, but since attention handling is going
		* to print the GRC timeouts using this macro, we use the same.
		*/
		BNX2X_ERR("Generating register dump. Might trigger harmless GRC timeouts\n");

		/* Actually read the registers */
		__bnx2x_get_regs(bp, p);