From 5f490c9680561e31bf0003693f20e0c7333bbeff Mon Sep 17 00:00:00 2001 From: Sreenivasa Honnur Date: Mon, 14 Jan 2008 20:23:04 -0500 Subject: [PATCH] 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 Signed-off-by: Ramkrishna Vepa Signed-off-by: Jeff Garzik --- drivers/net/s2io.c | 17 ++++++++++++----- 1 file 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; -- 2.41.1