* [patch 0/1] s390: qeth patch for net-next
@ 2011-03-14 13:20 frank.blaschka
2011-03-14 13:20 ` [patch 1/1] [PATCH] qeth: change some configurations defaults frank.blaschka
0 siblings, 1 reply; 3+ messages in thread
From: frank.blaschka @ 2011-03-14 13:20 UTC (permalink / raw)
To: davem; +Cc: netdev, linux-s390
Hi Dave,
here is another qeth patch for net-next.
shortlog:
Frank Blaschka (1)
qeth: change some configurations defaults
Thanks,
Frank
^ permalink raw reply [flat|nested] 3+ messages in thread* [patch 1/1] [PATCH] qeth: change some configurations defaults
2011-03-14 13:20 [patch 0/1] s390: qeth patch for net-next frank.blaschka
@ 2011-03-14 13:20 ` frank.blaschka
2011-03-14 22:40 ` David Miller
0 siblings, 1 reply; 3+ messages in thread
From: frank.blaschka @ 2011-03-14 13:20 UTC (permalink / raw)
To: davem; +Cc: netdev, linux-s390
[-- Attachment #1: 603-qeth-defaults.diff --]
[-- Type: text/plain, Size: 2524 bytes --]
From: Frank Blaschka <frank.blaschka@de.ibm.com>
This patch turns on RX checksum and GRO by default. To improve
receiving performance and reduce congestion in case of network
bursts we also increase the default number of inbound buffers.
Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com>
---
drivers/s390/net/qeth_core.h | 3 ++-
drivers/s390/net/qeth_core_main.c | 5 ++++-
drivers/s390/net/qeth_l3_main.c | 5 +++++
3 files changed, 11 insertions(+), 2 deletions(-)
--- a/drivers/s390/net/qeth_core.h
+++ b/drivers/s390/net/qeth_core.h
@@ -225,7 +225,8 @@ static inline int qeth_is_ipa_enabled(st
/*****************************************************************************/
#define QETH_MAX_QUEUES 4
#define QETH_IN_BUF_SIZE_DEFAULT 65536
-#define QETH_IN_BUF_COUNT_DEFAULT 16
+#define QETH_IN_BUF_COUNT_DEFAULT 64
+#define QETH_IN_BUF_COUNT_HSDEFAULT 128
#define QETH_IN_BUF_COUNT_MIN 8
#define QETH_IN_BUF_COUNT_MAX 128
#define QETH_MAX_BUFFER_ELEMENTS(card) ((card)->qdio.in_buf_size >> 12)
--- a/drivers/s390/net/qeth_core_main.c
+++ b/drivers/s390/net/qeth_core_main.c
@@ -1026,7 +1026,10 @@ static void qeth_init_qdio_info(struct q
atomic_set(&card->qdio.state, QETH_QDIO_UNINITIALIZED);
/* inbound */
card->qdio.in_buf_size = QETH_IN_BUF_SIZE_DEFAULT;
- card->qdio.init_pool.buf_count = QETH_IN_BUF_COUNT_DEFAULT;
+ if (card->info.type == QETH_CARD_TYPE_IQD)
+ card->qdio.init_pool.buf_count = QETH_IN_BUF_COUNT_HSDEFAULT;
+ else
+ card->qdio.init_pool.buf_count = QETH_IN_BUF_COUNT_DEFAULT;
card->qdio.in_buf_pool.buf_count = card->qdio.init_pool.buf_count;
INIT_LIST_HEAD(&card->qdio.in_buf_pool.entry_list);
INIT_LIST_HEAD(&card->qdio.init_pool.entry_list);
--- a/drivers/s390/net/qeth_l3_main.c
+++ b/drivers/s390/net/qeth_l3_main.c
@@ -3392,6 +3392,8 @@ static int qeth_l3_setup_netdev(struct q
if (!(card->info.unique_id & UNIQUE_ID_NOT_BY_CARD))
card->dev->dev_id = card->info.unique_id &
0xffff;
+ if (!card->info.guestlan)
+ card->dev->features |= NETIF_F_GRO;
}
} else if (card->info.type == QETH_CARD_TYPE_IQD) {
card->dev = alloc_netdev(0, "hsi%d", ether_setup);
@@ -3430,6 +3432,9 @@ static int qeth_l3_probe_device(struct c
card->discipline.output_handler = (qdio_handler_t *)
qeth_qdio_output_handler;
card->discipline.recover = qeth_l3_recover;
+ if ((card->info.type == QETH_CARD_TYPE_OSD) ||
+ (card->info.type == QETH_CARD_TYPE_OSX))
+ card->options.checksum_type = HW_CHECKSUMMING;
return 0;
}
^ permalink raw reply [flat|nested] 3+ messages in thread
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2011-03-14 13:20 [patch 0/1] s390: qeth patch for net-next frank.blaschka
2011-03-14 13:20 ` [patch 1/1] [PATCH] qeth: change some configurations defaults frank.blaschka
2011-03-14 22:40 ` David Miller
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