diff options
| author | Matt Carlson <mcarlson@broadcom.com> | 2010-10-14 12:37:43 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-10-17 22:57:45 +0200 |
| commit | 4803572815feea2dca9485a343a8556c9037e36e (patch) | |
| tree | 31965fb2cd11a68621771816beed945b65d6f2ea /drivers/net/tg3.c | |
| parent | tg3: Cleanup tg3_alloc_rx_skb() (diff) | |
| download | linux-4803572815feea2dca9485a343a8556c9037e36e.tar.xz linux-4803572815feea2dca9485a343a8556c9037e36e.zip | |
tg3: Don't allocate jumbo ring for 5780 class devs
The 5714, 5715, and 5780 devices do not have a separate rx jumbo
producer ring. This patch changes the code so that resources are not
allocated for it.
Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/tg3.c')
| -rw-r--r-- | drivers/net/tg3.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c index 84530d9f1f4b..17ca0a37c9e7 100644 --- a/drivers/net/tg3.c +++ b/drivers/net/tg3.c @@ -6219,7 +6219,8 @@ static void tg3_rx_prodring_free(struct tg3 *tp, tg3_rx_skb_free(tp, &tpr->rx_std_buffers[i], tp->rx_pkt_map_sz); - if (tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) { + if ((tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) && + !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) { for (i = 0; i <= tp->rx_jmb_ring_mask; i++) tg3_rx_skb_free(tp, &tpr->rx_jmb_buffers[i], TG3_RX_JMB_MAP_SZ); @@ -6246,7 +6247,7 @@ static int tg3_rx_prodring_alloc(struct tg3 *tp, if (tpr != &tp->napi[0].prodring) { memset(&tpr->rx_std_buffers[0], 0, TG3_RX_STD_BUFF_RING_SIZE(tp)); - if (tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) + if (tpr->rx_jmb_buffers) memset(&tpr->rx_jmb_buffers[0], 0, TG3_RX_JMB_BUFF_RING_SIZE(tp)); goto done; @@ -6289,7 +6290,8 @@ static int tg3_rx_prodring_alloc(struct tg3 *tp, } } - if (!(tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE)) + if (!(tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) || + (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) goto done; memset(tpr->rx_jmb, 0, TG3_RX_JMB_RING_BYTES(tp)); @@ -6361,7 +6363,8 @@ static int tg3_rx_prodring_init(struct tg3 *tp, if (!tpr->rx_std) goto err_out; - if (tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) { + if ((tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) && + !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) { tpr->rx_jmb_buffers = kzalloc(TG3_RX_JMB_BUFF_RING_SIZE(tp), GFP_KERNEL); if (!tpr->rx_jmb_buffers) |