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authorSreenivasa Honnur <Sreenivasa.Honnur@neterion.com>2008-01-14 20:23:04 -0500
committerJeff Garzik <jeff@garzik.org>2008-01-18 14:41:50 -0500
commit5f490c9680561e31bf0003693f20e0c7333bbeff (patch)
treeb21e86105014ad182cb7e0259c23319065f739dd /drivers/net
parent2a49128f0a6edee337174ea341c1d6d7565be350 (diff)
S2io: Fixed synchronization between scheduling of napi with card reset and close
- Fixed synchronization between scheduling of napi with card reset and close by moving the enabling and disabling of napi to card up and card down functions respectively instead of open and close. Signed-off-by: Surjit Reang <surjit.reang@neterion.com> Signed-off-by: Ramkrishna Vepa <ram.vepa@neterion.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/s2io.c17
1 files changed, 12 insertions, 5 deletions
diff --git a/drivers/net/s2io.c b/drivers/net/s2io.c
index fa57c49c0c5..f2ba944e035 100644
--- a/drivers/net/s2io.c
+++ b/drivers/net/s2io.c
@@ -84,7 +84,7 @@
#include "s2io.h"
#include "s2io-regs.h"
-#define DRV_VERSION "2.0.26.10"
+#define DRV_VERSION "2.0.26.17"
/* S2io Driver name & version. */
static char s2io_driver_name[] = "Neterion";
@@ -3848,8 +3848,6 @@ static int s2io_open(struct net_device *dev)
netif_carrier_off(dev);
sp->last_link_state = 0;
- napi_enable(&sp->napi);
-
if (sp->config.intr_type == MSI_X) {
int ret = s2io_enable_msi_x(sp);
@@ -3892,7 +3890,6 @@ static int s2io_open(struct net_device *dev)
return 0;
hw_init_failed:
- napi_disable(&sp->napi);
if (sp->config.intr_type == MSI_X) {
if (sp->entries) {
kfree(sp->entries);
@@ -3932,7 +3929,6 @@ static int s2io_close(struct net_device *dev)
return 0;
netif_stop_queue(dev);
- napi_disable(&sp->napi);
/* Reset card, kill tasklet and free Tx and Rx buffers. */
s2io_card_down(sp);
@@ -6796,6 +6792,8 @@ static void do_s2io_card_down(struct s2io_nic * sp, int do_io)
struct XENA_dev_config __iomem *bar0 = sp->bar0;
unsigned long flags;
register u64 val64 = 0;
+ struct config_param *config;
+ config = &sp->config;
if (!is_s2io_card_up(sp))
return;
@@ -6807,6 +6805,10 @@ static void do_s2io_card_down(struct s2io_nic * sp, int do_io)
}
clear_bit(__S2IO_STATE_CARD_UP, &sp->state);
+ /* Disable napi */
+ if (config->napi)
+ napi_disable(&sp->napi);
+
/* disable Tx and Rx traffic on the NIC */
if (do_io)
stop_nic(sp);
@@ -6900,6 +6902,11 @@ static int s2io_card_up(struct s2io_nic * sp)
DBG_PRINT(INFO_DBG, "Buf in ring:%d is %d:\n", i,
atomic_read(&sp->rx_bufs_left[i]));
}
+
+ /* Initialise napi */
+ if (config->napi)
+ napi_enable(&sp->napi);
+
/* Maintain the state prior to the open */
if (sp->promisc_flg)
sp->promisc_flg = 0;