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ehea: Add some info messages and fix an issue 

This patch adds some debug information about ehea not being able to
allocate enough spaces. Also it correctly updates the amount of available
skb.

Signed-off-by: Breno Leitao <leitao@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Breno Leitao 2010-11-26 07:26:27 +00:00 committed by David S. Miller
parent 8e65c0ece6
commit 5c7e57f7cd
1 changed files with 14 additions and 4 deletions
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18
drivers/net/ehea/ehea_main.c
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@ -400,6 +400,7 @@ static void ehea_refill_rq1(struct ehea_port_res *pr, int index, int nr_of_wqes)
skb_arr_rq1[index] = netdev_alloc_skb(dev,
EHEA_L_PKT_SIZE);
if (!skb_arr_rq1[index]) {
ehea_info("Unable to allocate enough skb in the array\n");
pr->rq1_skba.os_skbs = fill_wqes - i;
break;
}
@ -422,13 +423,20 @@ static void ehea_init_fill_rq1(struct ehea_port_res *pr, int nr_rq1a)
struct net_device *dev = pr->port->netdev;
int i;
for (i = 0; i < pr->rq1_skba.len; i++) {
if (nr_rq1a > pr->rq1_skba.len) {
ehea_error("NR_RQ1A bigger than skb array len\n");
return;
}
for (i = 0; i < nr_rq1a; i++) {
skb_arr_rq1[i] = netdev_alloc_skb(dev, EHEA_L_PKT_SIZE);
if (!skb_arr_rq1[i])
if (!skb_arr_rq1[i]) {
ehea_info("No enough memory to allocate skb array\n");
break;
}
}
/* Ring doorbell */
ehea_update_rq1a(pr->qp, nr_rq1a);
ehea_update_rq1a(pr->qp, i);
}
static int ehea_refill_rq_def(struct ehea_port_res *pr,
@ -735,8 +743,10 @@ static int ehea_proc_rwqes(struct net_device *dev,
skb = netdev_alloc_skb(dev,
EHEA_L_PKT_SIZE);
if (!skb)
if (!skb) {
ehea_info("Not enough memory to allocate skb\n");
break;
}
}
skb_copy_to_linear_data(skb, ((char *)cqe) + 64,
cqe->num_bytes_transfered - 4);