forked from Minki/linux
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>
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@ -84,7 +84,7 @@
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#include "s2io.h"
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#include "s2io-regs.h"
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#define DRV_VERSION "2.0.17.1"
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#define DRV_VERSION "2.0.19.1"
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/* S2io Driver name & version. */
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static char s2io_driver_name[] = "Neterion";
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@ -2242,6 +2242,7 @@ static int fill_rx_buffers(struct s2io_nic *nic, int ring_no)
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struct buffAdd *ba;
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unsigned long flags;
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struct RxD_t *first_rxdp = NULL;
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u64 Buffer0_ptr = 0, Buffer1_ptr = 0;
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mac_control = &nic->mac_control;
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config = &nic->config;
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@ -2342,7 +2343,14 @@ static int fill_rx_buffers(struct s2io_nic *nic, int ring_no)
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* payload
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*/
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/* save the buffer pointers to avoid frequent dma mapping */
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Buffer0_ptr = ((struct RxD3*)rxdp)->Buffer0_ptr;
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Buffer1_ptr = ((struct RxD3*)rxdp)->Buffer1_ptr;
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memset(rxdp, 0, sizeof(struct RxD3));
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/* restore the buffer pointers for dma sync*/
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((struct RxD3*)rxdp)->Buffer0_ptr = Buffer0_ptr;
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((struct RxD3*)rxdp)->Buffer1_ptr = Buffer1_ptr;
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ba = &mac_control->rings[ring_no].ba[block_no][off];
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skb_reserve(skb, BUF0_LEN);
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tmp = (u64)(unsigned long) skb->data;
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@ -3307,6 +3315,7 @@ static void s2io_reset(struct s2io_nic * sp)
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u16 subid, pci_cmd;
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int i;
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u16 val16;
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unsigned long long reset_cnt = 0;
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DBG_PRINT(INIT_DBG,"%s - Resetting XFrame card %s\n",
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__FUNCTION__, sp->dev->name);
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@ -3372,6 +3381,11 @@ new_way:
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/* Reset device statistics maintained by OS */
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memset(&sp->stats, 0, sizeof (struct net_device_stats));
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/* save reset count */
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reset_cnt = sp->mac_control.stats_info->sw_stat.soft_reset_cnt;
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memset(sp->mac_control.stats_info, 0, sizeof(struct stat_block));
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/* restore reset count */
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sp->mac_control.stats_info->sw_stat.soft_reset_cnt = reset_cnt;
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/* SXE-002: Configure link and activity LED to turn it off */
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subid = sp->pdev->subsystem_device;
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@ -4279,9 +4293,7 @@ static void s2io_updt_stats(struct s2io_nic *sp)
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if (cnt == 5)
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break; /* Updt failed */
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} while(1);
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} else {
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memset(sp->mac_control.stats_info, 0, sizeof(struct stat_block));
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}
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}
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}
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/**
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