diff options
author | Anton Vorontsov <cbouatmailru@gmail.com> | 2008-10-18 20:28:24 +0400 |
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committer | Anton Vorontsov <cbouatmailru@gmail.com> | 2008-10-18 20:28:24 +0400 |
commit | ed8c3174dd227031d1f3b9fa4fbb512f8f623434 (patch) | |
tree | bac4953f8899d6600f4716c0bcde1e25e34c2591 /drivers/net/niu.c | |
parent | 8aef7e8f8de2d900da892085edbf14ea35fe6881 (diff) | |
parent | 0cfd81031a26717fe14380d18275f8e217571615 (diff) |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:
drivers/power/Makefile
Diffstat (limited to 'drivers/net/niu.c')
-rw-r--r-- | drivers/net/niu.c | 58 |
1 files changed, 57 insertions, 1 deletions
diff --git a/drivers/net/niu.c b/drivers/net/niu.c index e4765b713ab..ebc81270290 100644 --- a/drivers/net/niu.c +++ b/drivers/net/niu.c @@ -5984,6 +5984,56 @@ static void niu_netif_start(struct niu *np) niu_enable_interrupts(np, 1); } +static void niu_reset_buffers(struct niu *np) +{ + int i, j, k, err; + + if (np->rx_rings) { + for (i = 0; i < np->num_rx_rings; i++) { + struct rx_ring_info *rp = &np->rx_rings[i]; + + for (j = 0, k = 0; j < MAX_RBR_RING_SIZE; j++) { + struct page *page; + + page = rp->rxhash[j]; + while (page) { + struct page *next = + (struct page *) page->mapping; + u64 base = page->index; + base = base >> RBR_DESCR_ADDR_SHIFT; + rp->rbr[k++] = cpu_to_le32(base); + page = next; + } + } + for (; k < MAX_RBR_RING_SIZE; k++) { + err = niu_rbr_add_page(np, rp, GFP_ATOMIC, k); + if (unlikely(err)) + break; + } + + rp->rbr_index = rp->rbr_table_size - 1; + rp->rcr_index = 0; + rp->rbr_pending = 0; + rp->rbr_refill_pending = 0; + } + } + if (np->tx_rings) { + for (i = 0; i < np->num_tx_rings; i++) { + struct tx_ring_info *rp = &np->tx_rings[i]; + + for (j = 0; j < MAX_TX_RING_SIZE; j++) { + if (rp->tx_buffs[j].skb) + (void) release_tx_packet(np, rp, j); + } + + rp->pending = MAX_TX_RING_SIZE; + rp->prod = 0; + rp->cons = 0; + rp->wrap_bit = 0; + } + } +} + static void niu_reset_task(struct work_struct *work) { struct niu *np = container_of(work, struct niu, reset_task); @@ -6006,6 +6056,12 @@ static void niu_reset_task(struct work_struct *work) niu_stop_hw(np); + spin_unlock_irqrestore(&np->lock, flags); + + niu_reset_buffers(np); + + spin_lock_irqsave(&np->lock, flags); + err = niu_init_hw(np); if (!err) { np->timer.expires = jiffies + HZ; @@ -9074,7 +9130,7 @@ static int __devexit niu_of_remove(struct of_device *op) return 0; } -static struct of_device_id niu_match[] = { +static const struct of_device_id niu_match[] = { { .name = "network", .compatible = "SUNW,niusl", |