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nvethernet: bringup on kernel-5.4

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disable chip-id.h APIs on kernel-5.4 since
the file is still not available.

Back compatible with older kernel versions

Bug 200591808

Change-Id: Ib991ad02ba016ac9f186b5c8afdc8608c780d9be
Signed-off-by: Bibhay Ranjan <bibhayr@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2304494
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Bibhay Ranjan
2020-02-28 14:27:07 +05:30
committed by Revanth Kumar Uppala
parent e42f49ee42
commit 619f3c7b7d
5 changed files with 65 additions and 21 deletions
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62
drivers/net/ethernet/nvidia/nvethernet/ether_linux.c
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@@ -379,7 +379,12 @@ static int ether_phy_init(struct net_device *dev)
{
struct ether_priv_data *pdata = netdev_priv(dev);
struct phy_device *phydev = NULL;
#if (KERNEL_VERSION(5, 4, 0) <= LINUX_VERSION_CODE)
const unsigned int long supported = (SUPPORTED_Pause |
SUPPORTED_Asym_Pause);
const unsigned int long not_supported = ~(SUPPORTED_Pause |
SUPPORTED_Asym_Pause);
#endif
pdata->oldlink = 0;
pdata->speed = SPEED_UNKNOWN;
pdata->oldduplex = SPEED_UNKNOWN;
@@ -405,11 +410,27 @@ static int ether_phy_init(struct net_device *dev)
* in PHY driver, handle this in eqos driver so that enabling/disabling
* of the pause frame feature can be controlled based on the platform
*/
phydev->supported |= (SUPPORTED_Pause | SUPPORTED_Asym_Pause);
if (pdata->osi_core->pause_frames == OSI_PAUSE_FRAMES_DISABLE)
phydev->supported &= ~(SUPPORTED_Pause | SUPPORTED_Asym_Pause);
#if (KERNEL_VERSION(5, 4, 0) <= LINUX_VERSION_CODE)
linkmode_or(phydev->supported, phydev->supported,
&supported);
#else
phydev->supported |= (SUPPORTED_Pause | SUPPORTED_Asym_Pause);
#endif
if (pdata->osi_core->pause_frames == OSI_PAUSE_FRAMES_DISABLE)
#if (KERNEL_VERSION(5, 4, 0) <= LINUX_VERSION_CODE)
linkmode_and(phydev->supported,
phydev->supported,
&not_supported);
#else
phydev->supported &= ~(SUPPORTED_Pause | SUPPORTED_Asym_Pause);
#endif
#if (KERNEL_VERSION(5, 4, 0) <= LINUX_VERSION_CODE)
linkmode_copy(phydev->advertising,
phydev->supported);
#else
phydev->advertising = phydev->supported;
#endif
pdata->phydev = phydev;
@@ -1027,10 +1048,10 @@ static int allocate_rx_dma_resource(struct osi_dma_priv_data *osi_dma,
dev_err(dev, "failed to allocate Rx ring\n");
return -ENOMEM;
}
osi_dma->rx_ring[chan]->rx_desc = dma_zalloc_coherent(dev, rx_desc_size,
osi_dma->rx_ring[chan]->rx_desc = dma_alloc_coherent(dev, rx_desc_size,
(dma_addr_t *)&osi_dma->rx_ring[chan]->rx_desc_phy_addr,
GFP_KERNEL);
GFP_KERNEL | __GFP_ZERO);
if (osi_dma->rx_ring[chan]->rx_desc == NULL) {
dev_err(dev, "failed to allocate receive descriptor\n");
ret = -ENOMEM;
@@ -1215,10 +1236,10 @@ static int allocate_tx_dma_resource(struct osi_dma_priv_data *osi_dma,
dev_err(dev, "failed to allocate Tx ring\n");
return -ENOMEM;
}
osi_dma->tx_ring[chan]->tx_desc = dma_zalloc_coherent(dev, tx_desc_size,
osi_dma->tx_ring[chan]->tx_desc = dma_alloc_coherent(dev, tx_desc_size,
(dma_addr_t *)&osi_dma->tx_ring[chan]->tx_desc_phy_addr,
GFP_KERNEL);
GFP_KERNEL | __GFP_ZERO);
if (osi_dma->tx_ring[chan]->tx_desc == NULL) {
dev_err(dev, "failed to allocate transmit descriptor\n");
ret = -ENOMEM;
@@ -1880,7 +1901,11 @@ static int ether_tx_swcx_alloc(struct device *dev,
struct osi_tx_swcx *tx_swcx = NULL;
unsigned int len = 0, offset = 0, size = 0;
int cnt = 0, ret = 0, i, num_frags;
#if (KERNEL_VERSION(5, 4, 0) <= LINUX_VERSION_CODE)
skb_frag_t *frag;
#else
struct skb_frag_struct *frag;
#endif
unsigned int page_idx, page_offset;
unsigned int max_data_len_per_txd = (unsigned int)
ETHER_TX_MAX_BUFF_SIZE;
@@ -2009,11 +2034,19 @@ static int ether_tx_swcx_alloc(struct device *dev,
}
size = min(len, max_data_len_per_txd);
#if (KERNEL_VERSION(5, 4, 0) <= LINUX_VERSION_CODE)
page_idx = (frag->bv_offset + offset) >> PAGE_SHIFT;
page_offset = (frag->bv_offset + offset) & ~PAGE_MASK;
#else
page_idx = (frag->page_offset + offset) >> PAGE_SHIFT;
page_offset = (frag->page_offset + offset) & ~PAGE_MASK;
#endif
tx_swcx->buf_phy_addr = dma_map_page(dev,
#if (KERNEL_VERSION(5, 4, 0) <= LINUX_VERSION_CODE)
(frag->bv_page + page_idx),
#else
(frag->page.p + page_idx),
#endif
page_offset, size,
DMA_TO_DEVICE);
if (unlikely(dma_mapping_error(dev,
@@ -4130,11 +4163,12 @@ static void init_filter_values(struct ether_priv_data *pdata)
static inline void tegra_pre_si_platform(struct osi_core_priv_data *osi_core)
{
/* VDK set true for both VDK/uFPGA */
if (tegra_platform_is_vdk()) {
#if (KERNEL_VERSION(5, 4, 0) > LINUX_VERSION_CODE)
if (tegra_platform_is_vdk())
osi_core->pre_si = 1;
} else {
else
#endif
osi_core->pre_si = 0;
}
}
/**