[PATCH net-2.6.24] eHEA: poll function update for new NAPI scheme

[Jan-Bernd Themann]

Update of ehea_poll function to work with new NAPI scheme.

Signed-off-by: Jan-Bernd Themann <[EMAIL PROTECTED]>

---
Hi David,

this patch is built upon the patches provided by Mel Gorman
(2.6.23-rc6-mm1: Build failure on ppc64 drivers/net/ehea/ehea_main.c)
and Roland Dreier 
([PATCH net-2.6.24] Fix refcounting problem with netif_rx_reschedule())


 drivers/net/ehea/ehea_main.c |   29 +++++++++++++++--------------
 1 files changed, 15 insertions(+), 14 deletions(-)

diff --git a/drivers/net/ehea/ehea_main.c b/drivers/net/ehea/ehea_main.c
index c5fc0b1..1bb39a7 100644
--- a/drivers/net/ehea/ehea_main.c
+++ b/drivers/net/ehea/ehea_main.c
@@ -609,6 +609,7 @@ static struct ehea_cqe *ehea_proc_cqes(struct ehea_port_res 
*pr, int my_quota)
 }
 
 #define EHEA_NAPI_POLL_NUM_BEFORE_IRQ 16
+#define EHEA_POLL_MAX_CQES 65535
 
 static int ehea_poll(struct napi_struct *napi, int budget)
 {
@@ -616,15 +617,18 @@ static int ehea_poll(struct napi_struct *napi, int budget)
        struct net_device *dev = pr->port->netdev;
        struct ehea_cqe *cqe;
        struct ehea_cqe *cqe_skb = NULL;
-       int force_irq, wqe_index, rx;
-
-       cqe = ehea_poll_rq1(pr->qp, &wqe_index);
-       cqe_skb = ehea_poll_cq(pr->send_cq);
+       int force_irq, wqe_index;
+       int rx = 0;
 
        force_irq = (pr->poll_counter > EHEA_NAPI_POLL_NUM_BEFORE_IRQ);
+       cqe_skb = ehea_proc_cqes(pr, EHEA_POLL_MAX_CQES);
+
+       if (!force_irq)
+               rx += ehea_proc_rwqes(dev, pr, budget - rx);
 
-       if ((!cqe && !cqe_skb) || force_irq) {
+       while ((rx != budget) || force_irq) {
                pr->poll_counter = 0;
+               force_irq = 0;
                netif_rx_complete(dev, napi);
                ehea_reset_cq_ep(pr->recv_cq);
                ehea_reset_cq_ep(pr->send_cq);
@@ -634,19 +638,16 @@ static int ehea_poll(struct napi_struct *napi, int budget)
                cqe_skb = ehea_poll_cq(pr->send_cq);
 
                if (!cqe && !cqe_skb)
-                       return 0;
+                       return rx;
 
                if (!netif_rx_reschedule(dev, napi))
-                       return 0;
-       }
+                       return rx;
 
-       rx = ehea_proc_rwqes(dev, pr, budget);
-       cqe = ehea_poll_rq1(pr->qp, &wqe_index);
-       cqe_skb = ehea_proc_cqes(pr, 300);
-
-       if (cqe || cqe_skb)
-               pr->poll_counter++;
+               cqe_skb = ehea_proc_cqes(pr, EHEA_POLL_MAX_CQES);
+               rx += ehea_proc_rwqes(dev, pr, budget - rx);
+       }
 
+       pr->poll_counter++;
        return rx;
 }
 
-- 
1.5.2

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [EMAIL PROTECTED]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/