sfc: use tx_queue->old_read_count in EF100 TX path

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As in the Siena/EF10 case, it minimises cacheline ping-pong between
 the TX and completion paths.

Signed-off-by: Edward Cree <ecree@solarflare.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

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Edward Cree 2020-09-03 22:34:57 +01:00 • committed by Jakub Kicinski

parent 8cb2675634

commit 5374d6024c

2 changed files with 20 additions and 2 deletions

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8

drivers/net/ethernet/sfc/ef100_tx.c

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14

drivers/net/ethernet/sfc/net_driver.h

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