iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

bnx2x: Memory allocation

Browse Source 
Memory allocation
- The CQE ring was allocated to the max size even for a chip that does
  not support it. Fixed to allocate according to the chip type to save
  memory
- The rx_page_ring was not freed on driver unload

Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eilon Greenstein 2008-08-13 15:51:07 -07:00 committed by David S. Miller
parent 3fcaf2e566
commit 326262307b
1 changed files with 9 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
drivers/net/bnx2x_main.c
View File

@ -4252,7 +4252,9 @@ static inline void bnx2x_free_tpa_pool(struct bnx2x *bp,
static void bnx2x_init_rx_rings(struct bnx2x *bp)
{
int func = BP_FUNC(bp);
u16 ring_prod, cqe_ring_prod = 0;
int max_agg_queues = CHIP_IS_E1(bp) ? ETH_MAX_AGGREGATION_QUEUES_E1 :
ETH_MAX_AGGREGATION_QUEUES_E1H;
u16 ring_prod, cqe_ring_prod;
int i, j;
bp->rx_buf_use_size = bp->dev->mtu;
@ -4266,9 +4268,9 @@ static void bnx2x_init_rx_rings(struct bnx2x *bp)
bp->dev->mtu + ETH_OVREHEAD);
for_each_queue(bp, j) {
for (i = 0; i < ETH_MAX_AGGREGATION_QUEUES_E1H; i++) {
struct bnx2x_fastpath *fp = &bp->fp[j];
struct bnx2x_fastpath *fp = &bp->fp[j];
for (i = 0; i < max_agg_queues; i++) {
fp->tpa_pool[i].skb =
netdev_alloc_skb(bp->dev, bp->rx_buf_size);
if (!fp->tpa_pool[i].skb) {
@ -4348,8 +4350,7 @@ static void bnx2x_init_rx_rings(struct bnx2x *bp)
BNX2X_ERR("disabling TPA for queue[%d]\n", j);
/* Cleanup already allocated elements */
bnx2x_free_rx_sge_range(bp, fp, ring_prod);
bnx2x_free_tpa_pool(bp, fp,
ETH_MAX_AGGREGATION_QUEUES_E1H);
bnx2x_free_tpa_pool(bp, fp, max_agg_queues);
fp->disable_tpa = 1;
ring_prod = 0;
break;
@ -5772,6 +5773,7 @@ static void bnx2x_free_mem(struct bnx2x *bp)
NUM_RCQ_BD);
/* SGE ring */
BNX2X_FREE(bnx2x_fp(bp, i, rx_page_ring));
BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_sge_ring),
bnx2x_fp(bp, i, rx_sge_mapping),
BCM_PAGE_SIZE * NUM_RX_SGE_PAGES);
@ -5949,7 +5951,8 @@ static void bnx2x_free_rx_skbs(struct bnx2x *bp)
dev_kfree_skb(skb);
}
if (!fp->disable_tpa)
bnx2x_free_tpa_pool(bp, fp,
bnx2x_free_tpa_pool(bp, fp, CHIP_IS_E1(bp) ?
ETH_MAX_AGGREGATION_QUEUES_E1 :
ETH_MAX_AGGREGATION_QUEUES_E1H);
}
}