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path: root/drivers/net/ethernet/broadcom/tg3.c
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Diffstat (limited to 'drivers/net/ethernet/broadcom/tg3.c')
-rw-r--r--drivers/net/ethernet/broadcom/tg3.c18
1 files changed, 16 insertions, 2 deletions
diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c
index 062ac333fde6..ceeab8e852ef 100644
--- a/drivers/net/ethernet/broadcom/tg3.c
+++ b/drivers/net/ethernet/broadcom/tg3.c
@@ -879,8 +879,13 @@ static inline unsigned int tg3_has_work(struct tg3_napi *tnapi)
if (sblk->status & SD_STATUS_LINK_CHG)
work_exists = 1;
}
- /* check for RX/TX work to do */
- if (sblk->idx[0].tx_consumer != tnapi->tx_cons ||
+
+ /* check for TX work to do */
+ if (sblk->idx[0].tx_consumer != tnapi->tx_cons)
+ work_exists = 1;
+
+ /* check for RX work to do */
+ if (tnapi->rx_rcb_prod_idx &&
*(tnapi->rx_rcb_prod_idx) != tnapi->rx_rcb_ptr)
work_exists = 1;
@@ -6124,6 +6129,9 @@ static int tg3_poll_work(struct tg3_napi *tnapi, int work_done, int budget)
return work_done;
}
+ if (!tnapi->rx_rcb_prod_idx)
+ return work_done;
+
/* run RX thread, within the bounds set by NAPI.
* All RX "locking" is done by ensuring outside
* code synchronizes with tg3->napi.poll()
@@ -7567,6 +7575,12 @@ static int tg3_alloc_consistent(struct tg3 *tp)
*/
switch (i) {
default:
+ if (tg3_flag(tp, ENABLE_RSS)) {
+ tnapi->rx_rcb_prod_idx = NULL;
+ break;
+ }
+ /* Fall through */
+ case 1:
tnapi->rx_rcb_prod_idx = &sblk->idx[0].rx_producer;
break;
case 2: