diff options
| author |   Ramkrishna Vepa <ram.vepa@neterion.com> | 2007-03-06 17:01:00 -0800 |
|---|---|---|
| committer |   Jeff Garzik <jeff@garzik.org> | 2007-04-28 11:00:58 -0400 |
| commit | 363dc36733b06a94d3dce7c43b56c888f6d185de (patch) | |
| tree | 480513681cc540b8dfab86e185ef127216a762b8 /drivers/net/s2io.c | |
| parent | e1000: list e1000-devel mailing list in MAINTAINERS (diff) | |
| download | linux-dev-363dc36733b06a94d3dce7c43b56c888f6d185de.tar.xz linux-dev-363dc36733b06a94d3dce7c43b56c888f6d185de.zip | |
S2IO: Save/Restore unused buffer mappings in 2/3 buffer mode
- Save/Restore unused buffer mappings in 2/3 buffer mode to avoid
frequent mapping
- Save/Restore adapter reset count during adapter reset
(Resending; forgot to cc netdev)
Signed-off-by: Santosh Rastapur <santosh.rastapur@neterion.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers/net/s2io.c')
| -rw-r--r-- | drivers/net/s2io.c | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/drivers/net/s2io.c b/drivers/net/s2io.c index 7309a178b1ac..049060cb6a05 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 "2.0.17.1" +#define DRV_VERSION "2.0.19.1" /* S2io Driver name & version. */ static char s2io_driver_name[] = "Neterion"; @@ -2242,6 +2242,7 @@ static int fill_rx_buffers(struct s2io_nic *nic, int ring_no) struct buffAdd *ba; unsigned long flags; struct RxD_t *first_rxdp = NULL; + u64 Buffer0_ptr = 0, Buffer1_ptr = 0; mac_control = &nic->mac_control; config = &nic->config; @@ -2342,7 +2343,14 @@ static int fill_rx_buffers(struct s2io_nic *nic, int ring_no) * payload */ + /* save the buffer pointers to avoid frequent dma mapping */ + Buffer0_ptr = ((struct RxD3*)rxdp)->Buffer0_ptr; + Buffer1_ptr = ((struct RxD3*)rxdp)->Buffer1_ptr; memset(rxdp, 0, sizeof(struct RxD3)); + /* restore the buffer pointers for dma sync*/ + ((struct RxD3*)rxdp)->Buffer0_ptr = Buffer0_ptr; + ((struct RxD3*)rxdp)->Buffer1_ptr = Buffer1_ptr; + ba = &mac_control->rings[ring_no].ba[block_no][off]; skb_reserve(skb, BUF0_LEN); tmp = (u64)(unsigned long) skb->data; @@ -3307,6 +3315,7 @@ static void s2io_reset(struct s2io_nic * sp) u16 subid, pci_cmd; int i; u16 val16; + unsigned long long reset_cnt = 0; DBG_PRINT(INIT_DBG,"%s - Resetting XFrame card %s\n", __FUNCTION__, sp->dev->name); @@ -3372,6 +3381,11 @@ new_way: /* Reset device statistics maintained by OS */ memset(&sp->stats, 0, sizeof (struct net_device_stats)); + /* save reset count */ + reset_cnt = sp->mac_control.stats_info->sw_stat.soft_reset_cnt; + memset(sp->mac_control.stats_info, 0, sizeof(struct stat_block)); + /* restore reset count */ + sp->mac_control.stats_info->sw_stat.soft_reset_cnt = reset_cnt; /* SXE-002: Configure link and activity LED to turn it off */ subid = sp->pdev->subsystem_device; @@ -4279,9 +4293,7 @@ static void s2io_updt_stats(struct s2io_nic *sp) if (cnt == 5) break; /* Updt failed */ } while(1); - } else { - memset(sp->mac_control.stats_info, 0, sizeof(struct stat_block)); - } + } } /** |