cxgb4: improve credits recovery in TC-MQPRIO Tx path

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Request credit update for every half credits consumed, including
the current request. Also, avoid re-trying to post packets when there
are no credits left. The credit update reply via interrupt will
eventually restore the credits and will invoke the Tx path again.

Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Rahul Lakkireddy 2020-05-15 22:41:03 +05:30 • committed by David S. Miller

parent 3430223d39

commit 4f1d97262d

1 changed files with 26 additions and 14 deletions

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drivers/net/ethernet/chelsio/cxgb4/sge.c

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