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path: root/drivers/net/s2io.c
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Diffstat (limited to 'drivers/net/s2io.c')
-rw-r--r--drivers/net/s2io.c82
1 files changed, 46 insertions, 36 deletions
diff --git a/drivers/net/s2io.c b/drivers/net/s2io.c
index 46ebf141ee5a..290e1c1f30c6 100644
--- a/drivers/net/s2io.c
+++ b/drivers/net/s2io.c
@@ -1,6 +1,6 @@
/************************************************************************
* s2io.c: A Linux PCI-X Ethernet driver for Neterion 10GbE Server NIC
- * Copyright(c) 2002-2005 Neterion Inc.
+ * Copyright(c) 2002-2007 Neterion Inc.
* This software may be used and distributed according to the terms of
* the GNU General Public License (GPL), incorporated herein by reference.
@@ -84,7 +84,7 @@
#include "s2io.h"
#include "s2io-regs.h"
-#define DRV_VERSION "2.0.17.1"
+#define DRV_VERSION "2.0.22.1"
/* S2io Driver name & version. */
static char s2io_driver_name[] = "Neterion";
@@ -316,7 +316,7 @@ static void s2io_vlan_rx_register(struct net_device *dev,
}
/* A flag indicating whether 'RX_PA_CFG_STRIP_VLAN_TAG' bit is set or not */
-int vlan_strip_flag;
+static int vlan_strip_flag;
/* Unregister the vlan */
static void s2io_vlan_rx_kill_vid(struct net_device *dev, unsigned long vid)
@@ -394,7 +394,6 @@ static const u64 fix_mac[] = {
END_SIGN
};
-MODULE_AUTHOR("Raghavendra Koushik <raghavendra.koushik@neterion.com>");
MODULE_LICENSE("GPL");
MODULE_VERSION(DRV_VERSION);
@@ -516,7 +515,7 @@ static int init_shared_mem(struct s2io_nic *nic)
mac_control->fifos[i].list_info = kmalloc(list_holder_size,
GFP_KERNEL);
if (!mac_control->fifos[i].list_info) {
- DBG_PRINT(ERR_DBG,
+ DBG_PRINT(INFO_DBG,
"Malloc failed for list_info\n");
return -ENOMEM;
}
@@ -542,9 +541,9 @@ static int init_shared_mem(struct s2io_nic *nic)
tmp_v = pci_alloc_consistent(nic->pdev,
PAGE_SIZE, &tmp_p);
if (!tmp_v) {
- DBG_PRINT(ERR_DBG,
+ DBG_PRINT(INFO_DBG,
"pci_alloc_consistent ");
- DBG_PRINT(ERR_DBG, "failed for TxDL\n");
+ DBG_PRINT(INFO_DBG, "failed for TxDL\n");
return -ENOMEM;
}
/* If we got a zero DMA address(can happen on
@@ -561,9 +560,9 @@ static int init_shared_mem(struct s2io_nic *nic)
tmp_v = pci_alloc_consistent(nic->pdev,
PAGE_SIZE, &tmp_p);
if (!tmp_v) {
- DBG_PRINT(ERR_DBG,
+ DBG_PRINT(INFO_DBG,
"pci_alloc_consistent ");
- DBG_PRINT(ERR_DBG, "failed for TxDL\n");
+ DBG_PRINT(INFO_DBG, "failed for TxDL\n");
return -ENOMEM;
}
}
@@ -2187,7 +2186,7 @@ static int fill_rxd_3buf(struct s2io_nic *nic, struct RxD_t *rxdp, struct \
/* skb_shinfo(skb)->frag_list will have L4 data payload */
skb_shinfo(skb)->frag_list = dev_alloc_skb(dev->mtu + ALIGN_SIZE);
if (skb_shinfo(skb)->frag_list == NULL) {
- DBG_PRINT(ERR_DBG, "%s: dev_alloc_skb failed\n ", dev->name);
+ DBG_PRINT(INFO_DBG, "%s: dev_alloc_skb failed\n ", dev->name);
return -ENOMEM ;
}
frag_list = skb_shinfo(skb)->frag_list;
@@ -2195,7 +2194,7 @@ static int fill_rxd_3buf(struct s2io_nic *nic, struct RxD_t *rxdp, struct \
frag_list->next = NULL;
tmp = (void *)ALIGN((long)frag_list->data, ALIGN_SIZE + 1);
frag_list->data = tmp;
- frag_list->tail = tmp;
+ skb_reset_tail_pointer(frag_list);
/* Buffer-2 receives L4 data payload */
((struct RxD3*)rxdp)->Buffer2_ptr = pci_map_single(nic->pdev,
@@ -2242,6 +2241,7 @@ 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;
@@ -2313,8 +2313,8 @@ static int fill_rx_buffers(struct s2io_nic *nic, int ring_no)
/* allocate skb */
skb = dev_alloc_skb(size);
if(!skb) {
- DBG_PRINT(ERR_DBG, "%s: Out of ", dev->name);
- DBG_PRINT(ERR_DBG, "memory to allocate SKBs\n");
+ DBG_PRINT(INFO_DBG, "%s: Out of ", dev->name);
+ DBG_PRINT(INFO_DBG, "memory to allocate SKBs\n");
if (first_rxdp) {
wmb();
first_rxdp->Control_1 |= RXD_OWN_XENA;
@@ -2342,14 +2342,21 @@ 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;
tmp += ALIGN_SIZE;
tmp &= ~ALIGN_SIZE;
skb->data = (void *) (unsigned long)tmp;
- skb->tail = (void *) (unsigned long)tmp;
+ skb_reset_tail_pointer(skb);
if (!(((struct RxD3*)rxdp)->Buffer0_ptr))
((struct RxD3*)rxdp)->Buffer0_ptr =
@@ -2573,8 +2580,8 @@ static int s2io_poll(struct net_device *dev, int *budget)
for (i = 0; i < config->rx_ring_num; i++) {
if (fill_rx_buffers(nic, i) == -ENOMEM) {
- DBG_PRINT(ERR_DBG, "%s:Out of memory", dev->name);
- DBG_PRINT(ERR_DBG, " in Rx Poll!!\n");
+ DBG_PRINT(INFO_DBG, "%s:Out of memory", dev->name);
+ DBG_PRINT(INFO_DBG, " in Rx Poll!!\n");
break;
}
}
@@ -2590,8 +2597,8 @@ no_rx:
for (i = 0; i < config->rx_ring_num; i++) {
if (fill_rx_buffers(nic, i) == -ENOMEM) {
- DBG_PRINT(ERR_DBG, "%s:Out of memory", dev->name);
- DBG_PRINT(ERR_DBG, " in Rx Poll!!\n");
+ DBG_PRINT(INFO_DBG, "%s:Out of memory", dev->name);
+ DBG_PRINT(INFO_DBG, " in Rx Poll!!\n");
break;
}
}
@@ -2640,8 +2647,8 @@ static void s2io_netpoll(struct net_device *dev)
for (i = 0; i < config->rx_ring_num; i++) {
if (fill_rx_buffers(nic, i) == -ENOMEM) {
- DBG_PRINT(ERR_DBG, "%s:Out of memory", dev->name);
- DBG_PRINT(ERR_DBG, " in Rx Netpoll!!\n");
+ DBG_PRINT(INFO_DBG, "%s:Out of memory", dev->name);
+ DBG_PRINT(INFO_DBG, " in Rx Netpoll!!\n");
break;
}
}
@@ -3307,6 +3314,7 @@ 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 +3380,11 @@ 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;
@@ -3659,7 +3672,7 @@ static int s2io_enable_msi_x(struct s2io_nic *nic)
nic->entries = kmalloc(MAX_REQUESTED_MSI_X * sizeof(struct msix_entry),
GFP_KERNEL);
if (nic->entries == NULL) {
- DBG_PRINT(ERR_DBG, "%s: Memory allocation failed\n", __FUNCTION__);
+ DBG_PRINT(INFO_DBG, "%s: Memory allocation failed\n", __FUNCTION__);
return -ENOMEM;
}
memset(nic->entries, 0, MAX_REQUESTED_MSI_X * sizeof(struct msix_entry));
@@ -3668,7 +3681,7 @@ static int s2io_enable_msi_x(struct s2io_nic *nic)
kmalloc(MAX_REQUESTED_MSI_X * sizeof(struct s2io_msix_entry),
GFP_KERNEL);
if (nic->s2io_entries == NULL) {
- DBG_PRINT(ERR_DBG, "%s: Memory allocation failed\n", __FUNCTION__);
+ DBG_PRINT(INFO_DBG, "%s: Memory allocation failed\n", __FUNCTION__);
kfree(nic->entries);
return -ENOMEM;
}
@@ -4019,7 +4032,7 @@ static int s2io_chk_rx_buffers(struct s2io_nic *sp, int rng_n)
DBG_PRINT(INTR_DBG, "%s: Rx BD hit ", __FUNCTION__);
DBG_PRINT(INTR_DBG, "PANIC levels\n");
if ((ret = fill_rx_buffers(sp, rng_n)) == -ENOMEM) {
- DBG_PRINT(ERR_DBG, "Out of memory in %s",
+ DBG_PRINT(INFO_DBG, "Out of memory in %s",
__FUNCTION__);
clear_bit(0, (&sp->tasklet_status));
return -1;
@@ -4029,8 +4042,8 @@ static int s2io_chk_rx_buffers(struct s2io_nic *sp, int rng_n)
tasklet_schedule(&sp->task);
} else if (fill_rx_buffers(sp, rng_n) == -ENOMEM) {
- DBG_PRINT(ERR_DBG, "%s:Out of memory", sp->dev->name);
- DBG_PRINT(ERR_DBG, " in Rx Intr!!\n");
+ DBG_PRINT(INFO_DBG, "%s:Out of memory", sp->dev->name);
+ DBG_PRINT(INFO_DBG, " in Rx Intr!!\n");
}
return 0;
}
@@ -4279,9 +4292,7 @@ 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));
- }
+ }
}
/**
@@ -5949,12 +5960,12 @@ static void s2io_tasklet(unsigned long dev_addr)
for (i = 0; i < config->rx_ring_num; i++) {
ret = fill_rx_buffers(sp, i);
if (ret == -ENOMEM) {
- DBG_PRINT(ERR_DBG, "%s: Out of ",
+ DBG_PRINT(INFO_DBG, "%s: Out of ",
dev->name);
DBG_PRINT(ERR_DBG, "memory in tasklet\n");
break;
} else if (ret == -EFILL) {
- DBG_PRINT(ERR_DBG,
+ DBG_PRINT(INFO_DBG,
"%s: Rx Ring %d is full\n",
dev->name, i);
break;
@@ -6065,8 +6076,8 @@ static int set_rxd_buffer_pointer(struct s2io_nic *sp, struct RxD_t *rxdp,
} else {
*skb = dev_alloc_skb(size);
if (!(*skb)) {
- DBG_PRINT(ERR_DBG, "%s: Out of ", dev->name);
- DBG_PRINT(ERR_DBG, "memory to allocate SKBs\n");
+ DBG_PRINT(INFO_DBG, "%s: Out of ", dev->name);
+ DBG_PRINT(INFO_DBG, "memory to allocate SKBs\n");
return -ENOMEM ;
}
/* storing the mapped addr in a temp variable
@@ -6088,7 +6099,7 @@ static int set_rxd_buffer_pointer(struct s2io_nic *sp, struct RxD_t *rxdp,
} else {
*skb = dev_alloc_skb(size);
if (!(*skb)) {
- DBG_PRINT(ERR_DBG, "%s: dev_alloc_skb failed\n",
+ DBG_PRINT(INFO_DBG, "%s: dev_alloc_skb failed\n",
dev->name);
return -ENOMEM;
}
@@ -6115,7 +6126,7 @@ static int set_rxd_buffer_pointer(struct s2io_nic *sp, struct RxD_t *rxdp,
} else {
*skb = dev_alloc_skb(size);
if (!(*skb)) {
- DBG_PRINT(ERR_DBG, "%s: dev_alloc_skb failed\n",
+ DBG_PRINT(INFO_DBG, "%s: dev_alloc_skb failed\n",
dev->name);
return -ENOMEM;
}
@@ -6616,7 +6627,6 @@ static int rx_osm_handler(struct ring_info *ring_data, struct RxD_t * rxdp)
/* Updating statistics */
rxdp->Host_Control = 0;
- sp->rx_pkt_count++;
sp->stats.rx_packets++;
if (sp->rxd_mode == RXD_MODE_1) {
int len = RXD_GET_BUFFER0_SIZE_1(rxdp->Control_2);
@@ -7252,7 +7262,7 @@ s2io_init_nic(struct pci_dev *pdev, const struct pci_device_id *pre)
goto register_failed;
}
s2io_vpd_read(sp);
- DBG_PRINT(ERR_DBG, "Copyright(c) 2002-2005 Neterion Inc.\n");
+ DBG_PRINT(ERR_DBG, "Copyright(c) 2002-2007 Neterion Inc.\n");
DBG_PRINT(ERR_DBG, "%s: Neterion %s (rev %d)\n",dev->name,
sp->product_name, get_xena_rev_id(sp->pdev));
DBG_PRINT(ERR_DBG, "%s: Driver version %s\n", dev->name,
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.