bnx2x: Correct asymmetric flow-control
This fixes several issues relating to asymmetric configuration: 1. When user requests to disable TX, the local-device needs to advertise both PAUSE and ASM_DIR, but to avoid transmitting pause frames. In the 578xx, it would ignore the TX disable. 2. When user advertises RX-only, ASM_DIR was advertised instead of PAUSE/ASM_DIR. 3. When changing mode, the advertised PAUSE/ASM_DIR was not cleared before setting new one, so disabling RX or TX had no impact on the 'advertised' as appeared in the 'ethtool -a' output. Signed-off-by: Yaniv Rosner <Yaniv.Rosner@qlogic.com> Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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