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Commit 56fbbb4e authored by Alexander Duyck's avatar Alexander Duyck Committed by David S. Miller
Browse files

igb: cleanup incorrect comment and set IP Checksum Enable 



IP Checksum enable doesn't need packet split in order to function.  It only
requires the use of advanced descriptors which the current igb driver does.
So we can enable it always without any issues.

Signed-off-by: default avatarAlexander Duyck <alexander.h.duyck@intel.com>
Acked-by: default avatarPeter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: default avatarJeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 1e5c3d21

drivers/net/igb/igb_main.c

+4 −10
Original line number Diff line number Diff line
@@ -2059,17 +2059,11 @@ static void igb_configure_rx(struct igb_adapter *adapter) 
	} else {

		/* Enable Receive Checksum Offload for TCP and UDP */

		rxcsum = rd32(E1000_RXCSUM);

		if (adapter->rx_csum) {

			rxcsum |= E1000_RXCSUM_TUOFL;

		if (adapter->rx_csum)

			rxcsum |= E1000_RXCSUM_TUOFL | E1000_RXCSUM_IPPCSE;

		else

			rxcsum &= ~(E1000_RXCSUM_TUOFL | E1000_RXCSUM_IPPCSE);



			/* Enable IPv4 payload checksum for UDP fragments

			 * Must be used in conjunction with packet-split. */

			if (adapter->rx_ps_hdr_size)

				rxcsum |= E1000_RXCSUM_IPPCSE;

		} else {

			rxcsum &= ~E1000_RXCSUM_TUOFL;

			/* don't need to clear IPPCSE as it defaults to 0 */

		}

		wr32(E1000_RXCSUM, rxcsum);

	}