* [dpdk-dev] [PATCH] net/sfc/base: fix Tx descriptor max number check
@ 2019-01-09 11:12 Andrew Rybchenko
0 siblings, 0 replies; only message in thread
From: Andrew Rybchenko @ 2019-01-09 11:12 UTC (permalink / raw)
To: dev; +Cc: Igor Romanov, stable
From: Igor Romanov <igor.romanov@oktetlabs.ru>
Fix check of maximum descriptor number (compare with maximum Tx
descriptor number instead of maximum EVQ events number).
Fixes: f7dc06bf35f2 ("net/sfc/base: import 5xxx/6xxx family support")
Cc: stable@dpdk.org
Signed-off-by: Igor Romanov <igor.romanov@oktetlabs.ru>
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
---
drivers/net/sfc/base/efx_tx.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/net/sfc/base/efx_tx.c b/drivers/net/sfc/base/efx_tx.c
index bf1180a1e..9fa9e2ed1 100644
--- a/drivers/net/sfc/base/efx_tx.c
+++ b/drivers/net/sfc/base/efx_tx.c
@@ -926,7 +926,8 @@ siena_tx_qcreate(
EFX_STATIC_ASSERT(ISP2(EFX_TXQ_MINNDESCS));
if (!ISP2(ndescs) ||
- (ndescs < EFX_TXQ_MINNDESCS) || (ndescs > EFX_EVQ_MAXNEVS)) {
+ (ndescs < EFX_TXQ_MINNDESCS) ||
+ (ndescs > encp->enc_txq_max_ndescs)) {
rc = EINVAL;
goto fail1;
}
--
2.17.1
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