diff options
| author | Matt Carlson <mcarlson@broadcom.com> | 2011-04-13 11:05:07 (GMT) |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-04-14 00:10:07 (GMT) |
| commit | 4852a8614f63999e38539ad16615054dcd20a05d (patch) | |
| tree | d26c200550fcdc957ce78f82db375861d766b40c /drivers/net/tg3.c | |
| parent | 48fa55a0a5e20b9e2a28a72c66c7027678cae6bb (diff) | |
| download | linux-fsl-qoriq-4852a8614f63999e38539ad16615054dcd20a05d.tar.xz | |
tg3: Add jumbo frame loopback tests to selftest
This patch adds jumbo frame loopback test support to the ethtool
selftest.
Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Reviewed-by: Benjamin Li <benli@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 | 34 |
1 files changed, 25 insertions, 9 deletions
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c index 9975cdb..52dd516 100644 --- a/drivers/net/tg3.c +++ b/drivers/net/tg3.c @@ -10935,7 +10935,7 @@ static int tg3_test_memory(struct tg3 *tp) #define TG3_MAC_LOOPBACK 0 #define TG3_PHY_LOOPBACK 1 -static int tg3_run_loopback(struct tg3 *tp, int loopback_mode) +static int tg3_run_loopback(struct tg3 *tp, u32 pktsz, int loopback_mode) { u32 mac_mode, rx_start_idx, rx_idx, tx_idx, opaque_key; u32 desc_idx, coal_now; @@ -11033,7 +11033,7 @@ static int tg3_run_loopback(struct tg3 *tp, int loopback_mode) err = -EIO; - tx_len = 1514; + tx_len = pktsz; skb = netdev_alloc_skb(tp->dev, tx_len); if (!skb) return -ENOMEM; @@ -11042,7 +11042,7 @@ static int tg3_run_loopback(struct tg3 *tp, int loopback_mode) memcpy(tx_data, tp->dev->dev_addr, 6); memset(tx_data + 6, 0x0, 8); - tw32(MAC_RX_MTU_SIZE, tx_len + 4); + tw32(MAC_RX_MTU_SIZE, tx_len + ETH_FCS_LEN); for (i = 14; i < tx_len; i++) tx_data[i] = (u8) (i & 0xff); @@ -11098,8 +11098,6 @@ static int tg3_run_loopback(struct tg3 *tp, int loopback_mode) desc = &rnapi->rx_rcb[rx_start_idx]; desc_idx = desc->opaque & RXD_OPAQUE_INDEX_MASK; opaque_key = desc->opaque & RXD_OPAQUE_RING_MASK; - if (opaque_key != RXD_OPAQUE_RING_STD) - goto out; if ((desc->err_vlan & RXD_ERR_MASK) != 0 && (desc->err_vlan != RXD_ERR_ODD_NIBBLE_RCVD_MII)) @@ -11109,9 +11107,20 @@ static int tg3_run_loopback(struct tg3 *tp, int loopback_mode) if (rx_len != tx_len) goto out; - rx_skb = tpr->rx_std_buffers[desc_idx].skb; + if (pktsz <= TG3_RX_STD_DMA_SZ - ETH_FCS_LEN) { + if (opaque_key != RXD_OPAQUE_RING_STD) + goto out; + + rx_skb = tpr->rx_std_buffers[desc_idx].skb; + map = dma_unmap_addr(&tpr->rx_std_buffers[desc_idx], mapping); + } else { + if (opaque_key != RXD_OPAQUE_RING_JUMBO) + goto out; + + rx_skb = tpr->rx_jmb_buffers[desc_idx].skb; + map = dma_unmap_addr(&tpr->rx_jmb_buffers[desc_idx], mapping); + } - map = dma_unmap_addr(&tpr->rx_std_buffers[desc_idx], mapping); pci_dma_sync_single_for_cpu(tp->pdev, map, rx_len, PCI_DMA_FROMDEVICE); for (i = 14; i < tx_len; i++) { @@ -11177,9 +11186,13 @@ static int tg3_test_loopback(struct tg3 *tp) CPMU_CTRL_LINK_AWARE_MODE)); } - if (tg3_run_loopback(tp, TG3_MAC_LOOPBACK)) + if (tg3_run_loopback(tp, ETH_FRAME_LEN, TG3_MAC_LOOPBACK)) err |= TG3_MAC_LOOPBACK_FAILED; + if ((tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) && + tg3_run_loopback(tp, 9000 + ETH_HLEN, TG3_MAC_LOOPBACK)) + err |= (TG3_MAC_LOOPBACK_FAILED << 2); + if (tp->tg3_flags & TG3_FLAG_CPMU_PRESENT) { tw32(TG3_CPMU_CTRL, cpmuctrl); @@ -11189,8 +11202,11 @@ static int tg3_test_loopback(struct tg3 *tp) if (!(tp->phy_flags & TG3_PHYFLG_PHY_SERDES) && !(tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB)) { - if (tg3_run_loopback(tp, TG3_PHY_LOOPBACK)) + if (tg3_run_loopback(tp, ETH_FRAME_LEN, TG3_PHY_LOOPBACK)) err |= TG3_PHY_LOOPBACK_FAILED; + if ((tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) && + tg3_run_loopback(tp, 9000 + ETH_HLEN, TG3_PHY_LOOPBACK)) + err |= (TG3_PHY_LOOPBACK_FAILED << 2); } /* Re-enable gphy autopowerdown. */ |