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niu: Recognise original ethtool class code for AH/ESP flow hashing

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When the RX network flow classification interface was originally
defined for reporting and controlling of flow hashing, AH and ESP were
not given distinct flow class codes (apparently because the Sun
Neptune hardware treats them very similarly).

For flow steering, they must be distinguished, so new and separate
flow class codes were added for AH and ESP.  But for backward-
compatibility, flow hash operations should continue to support the
original class codes.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ben Hutchings 2011-04-08 13:49:15 +00:00 committed by David S. Miller
parent bde3528f17
commit c44d79950b
1 changed files with 2 additions and 0 deletions
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2
drivers/net/niu.c
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@ -7022,6 +7022,7 @@ static int niu_ethflow_to_class(int flow_type, u64 *class)
case UDP_V4_FLOW:
*class = CLASS_CODE_UDP_IPV4;
break;
case AH_ESP_V4_FLOW:
case AH_V4_FLOW:
case ESP_V4_FLOW:
*class = CLASS_CODE_AH_ESP_IPV4;
@ -7035,6 +7036,7 @@ static int niu_ethflow_to_class(int flow_type, u64 *class)
case UDP_V6_FLOW:
*class = CLASS_CODE_UDP_IPV6;
break;
case AH_ESP_V6_FLOW:
case AH_V6_FLOW:
case ESP_V6_FLOW:
*class = CLASS_CODE_AH_ESP_IPV6;