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s2io: Fixes in updating skb->truesize and code cleanup.

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1. Fix for updating skb->truesize properly.
2. Disable NAPI only if more than one ring configured in case of MSI/MSI-X
   interrupts. Previously we were disabling NAPI irrespective of number of
   rings when MSI/MSI-X interrupts were used.
3. Code cleanup.

Signed-off-by: Sivakumar Subramani <sivakumar.subramani@neterion.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Sivakumar Subramani 2007-01-31 13:32:57 -05:00 committed by Jeff Garzik
parent 19a605220c
commit 372cc5972d
1 changed files with 10 additions and 5 deletions
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15
drivers/net/s2io.c
View file

@ -459,7 +459,7 @@ static int init_shared_mem(struct s2io_nic *nic)
void *tmp_v_addr, *tmp_v_addr_next;
dma_addr_t tmp_p_addr, tmp_p_addr_next;
RxD_block_t *pre_rxd_blk = NULL;
int i, j, blk_cnt, rx_sz, tx_sz;
int i, j, blk_cnt;
int lst_size, lst_per_page;
struct net_device *dev = nic->dev;
unsigned long tmp;
@ -484,7 +484,6 @@ static int init_shared_mem(struct s2io_nic *nic)
}
lst_size = (sizeof(TxD_t) * config->max_txds);
tx_sz = lst_size * size;
lst_per_page = PAGE_SIZE / lst_size;
for (i = 0; i < config->tx_fifo_num; i++) {
@ -583,7 +582,6 @@ static int init_shared_mem(struct s2io_nic *nic)
size = (size * (sizeof(RxD1_t)));
else
size = (size * (sizeof(RxD3_t)));
rx_sz = size;
for (i = 0; i < config->rx_ring_num; i++) {
mac_control->rings[i].rx_curr_get_info.block_index = 0;
@ -624,6 +622,8 @@ static int init_shared_mem(struct s2io_nic *nic)
rx_blocks->rxds = kmalloc(sizeof(rxd_info_t)*
rxd_count[nic->rxd_mode],
GFP_KERNEL);
if (!rx_blocks->rxds)
return -ENOMEM;
for (l=0; l<rxd_count[nic->rxd_mode];l++) {
rx_blocks->rxds[l].virt_addr =
rx_blocks->block_virt_addr +
@ -2259,6 +2259,7 @@ static int fill_rxd_3buf(nic_t *nic, RxD_t *rxdp, struct sk_buff *skb)
return -ENOMEM ;
}
frag_list = skb_shinfo(skb)->frag_list;
skb->truesize += frag_list->truesize;
frag_list->next = NULL;
tmp = (void *)ALIGN((long)frag_list->data, ALIGN_SIZE + 1);
frag_list->data = tmp;
@ -3185,6 +3186,8 @@ static void alarm_intr_handler(struct s2io_nic *nic)
register u64 val64 = 0, err_reg = 0;
u64 cnt;
int i;
if (atomic_read(&nic->card_state) == CARD_DOWN)
return;
nic->mac_control.stats_info->sw_stat.ring_full_cnt = 0;
/* Handling the XPAK counters update */
if(nic->mac_control.stats_info->xpak_stat.xpak_timer_count < 72000) {
@ -6576,7 +6579,6 @@ static int rx_osm_handler(ring_info_t *ring_data, RxD_t * rxdp)
skb_put(skb, buf1_len);
skb->len += buf2_len;
skb->data_len += buf2_len;
skb->truesize += buf2_len;
skb_put(skb_shinfo(skb)->frag_list, buf2_len);
sp->stats.rx_bytes += buf1_len;
@ -6797,6 +6799,8 @@ static int s2io_verify_parm(struct pci_dev *pdev, u8 *dev_intr_type)
"Defaulting to INTA\n");
*dev_intr_type = INTA;
}
if ( (rx_ring_num > 1) && (*dev_intr_type != INTA) )
napi = 0;
if (rx_ring_mode > 3) {
DBG_PRINT(ERR_DBG, "s2io: Requested ring mode not supported\n");
DBG_PRINT(ERR_DBG, "s2io: Defaulting to 3-buffer mode\n");
@ -7312,7 +7316,7 @@ int __init s2io_starter(void)
* Description: This function is the cleanup routine for the driver. It unregist * ers the driver.
*/
static void s2io_closer(void)
static __exit void s2io_closer(void)
{
pci_unregister_driver(&s2io_driver);
DBG_PRINT(INIT_DBG, "cleanup done\n");
@ -7633,6 +7637,7 @@ static void lro_append_pkt(nic_t *sp, lro_t *lro, struct sk_buff *skb,
lro->last_frag->next = skb;
else
skb_shinfo(first)->frag_list = skb;
first->truesize += skb->truesize;
lro->last_frag = skb;
sp->mac_control.stats_info->sw_stat.clubbed_frms_cnt++;
return;