net/sfc/base: define max desc number for every EF10 NIC

For consistency with defines of min descriptor number, define max
descriptor number for Huntington, Medford and Medford2.

Signed-off-by: Igor Romanov <igor.romanov@oktetlabs.ru>
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>

diff --git a/drivers/net/sfc/base/hunt_impl.h b/drivers/net/sfc/base/hunt_impl.h
index d8dddce..0e9a1e2 100644 (file)
--- a/drivers/net/sfc/base/hunt_impl.h
+++ b/drivers/net/sfc/base/hunt_impl.h
@@ -16,6 +16,9 @@
 extern "C" {
 #endif
 
+#define        HUNT_TXQ_MAXNDESCS                      4096
+#define        HUNT_TXQ_MAXNDESCS_BUG35388_WORKAROUND  2048
+
 /* Missing register definitions */
 #ifndef        ER_DZ_TX_PIOBUF_OFST
 #define        ER_DZ_TX_PIOBUF_OFST 0x00001000

diff --git a/drivers/net/sfc/base/hunt_nic.c b/drivers/net/sfc/base/hunt_nic.c
index adb2b17..6605cfc 100644 (file)
--- a/drivers/net/sfc/base/hunt_nic.c
+++ b/drivers/net/sfc/base/hunt_nic.c
@@ -194,7 +194,9 @@ hunt_board_cfg(
         * The workaround for bug35388 uses the top bit of transmit queue
         * descriptor writes, preventing the use of 4096 descriptor TXQs.
         */
-       encp->enc_txq_max_ndescs = encp->enc_bug35388_workaround ? 2048 : 4096;
+       encp->enc_txq_max_ndescs = encp->enc_bug35388_workaround ?
+           HUNT_TXQ_MAXNDESCS_BUG35388_WORKAROUND :
+           HUNT_TXQ_MAXNDESCS;
        encp->enc_txq_min_ndescs = EF10_TXQ_MINNDESCS;
 
        EFX_STATIC_ASSERT(HUNT_PIOBUF_NBUFS <= EF10_MAX_PIOBUF_NBUFS);

diff --git a/drivers/net/sfc/base/medford2_impl.h b/drivers/net/sfc/base/medford2_impl.h
index 6259a70..87af5f6 100644 (file)
--- a/drivers/net/sfc/base/medford2_impl.h
+++ b/drivers/net/sfc/base/medford2_impl.h
@@ -12,6 +12,8 @@ extern "C" {
 #endif
 
 
+#define        MEDFORD2_TXQ_MAXNDESCS  2048
+
 #ifndef        ER_EZ_TX_PIOBUF_SIZE
 #define        ER_EZ_TX_PIOBUF_SIZE    4096
 #endif

diff --git a/drivers/net/sfc/base/medford2_nic.c b/drivers/net/sfc/base/medford2_nic.c
index 2cc87e3..020c37f 100644 (file)
--- a/drivers/net/sfc/base/medford2_nic.c
+++ b/drivers/net/sfc/base/medford2_nic.c
@@ -119,7 +119,7 @@ medford2_board_cfg(
         * descriptors are not supported as the top bit is used for vfifo
         * stuffing.
         */
-       encp->enc_txq_max_ndescs = 2048;
+       encp->enc_txq_max_ndescs = MEDFORD2_TXQ_MAXNDESCS;
        encp->enc_txq_min_ndescs = EF10_TXQ_MINNDESCS;
 
        EFX_STATIC_ASSERT(MEDFORD2_PIOBUF_NBUFS <= EF10_MAX_PIOBUF_NBUFS);

diff --git a/drivers/net/sfc/base/medford_impl.h b/drivers/net/sfc/base/medford_impl.h
index d076afa..1afedc7 100644 (file)
--- a/drivers/net/sfc/base/medford_impl.h
+++ b/drivers/net/sfc/base/medford_impl.h
@@ -12,6 +12,8 @@ extern "C" {
 #endif
 
 
+#define        MEDFORD_TXQ_MAXNDESCS   2048
+
 #ifndef        ER_EZ_TX_PIOBUF_SIZE
 #define        ER_EZ_TX_PIOBUF_SIZE    4096
 #endif

diff --git a/drivers/net/sfc/base/medford_nic.c b/drivers/net/sfc/base/medford_nic.c
index b728811..171e39b 100644 (file)
--- a/drivers/net/sfc/base/medford_nic.c
+++ b/drivers/net/sfc/base/medford_nic.c
@@ -117,7 +117,7 @@ medford_board_cfg(
         * descriptors are not supported as the top bit is used for vfifo
         * stuffing.
         */
-       encp->enc_txq_max_ndescs = 2048;
+       encp->enc_txq_max_ndescs = MEDFORD_TXQ_MAXNDESCS;
        encp->enc_txq_min_ndescs = EF10_TXQ_MINNDESCS;
 
        EFX_STATIC_ASSERT(MEDFORD_PIOBUF_NBUFS <= EF10_MAX_PIOBUF_NBUFS);