[dpdk-dev] [PATCH 2/5] net/sfc/base: add firmware subvariant aware driver option

Andrew Rybchenko arybchenko at solarflare.com
Tue Apr 3 17:07:04 CEST 2018


FW subvariants allow to tweak NIC global features. For example,
if no drivers require checksumming on transmit, it may be disabled
in FW to increase packet rate.

Signed-off-by: Andrew Rybchenko <arybchenko at solarflare.com>
Reviewed-by: Andy Moreton <amoreton at solarflare.com>
Reviewed-by: Andrew Lee <alee at solarflare.com>
---
 drivers/net/sfc/efsys.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/sfc/efsys.h b/drivers/net/sfc/efsys.h
index b3dae6e..ac7121d 100644
--- a/drivers/net/sfc/efsys.h
+++ b/drivers/net/sfc/efsys.h
@@ -200,6 +200,8 @@ prefetch_read_once(const volatile void *addr)
 
 #define EFSYS_OPT_TUNNEL 1
 
+#define EFSYS_OPT_FW_SUBVARIANT_AWARE 0
+
 /* ID */
 
 typedef struct __efsys_identifier_s efsys_identifier_t;
-- 
2.7.4



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