diff options
| author |   WingMan Kwok <w-kwok2@ti.com> | 2016-12-08 16:21:56 -0600 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2016-12-10 23:31:19 -0500 |
| commit | 6246168b4a38357b135d07370464f27d4f3a68ce (patch) | |
| tree | 7b686426cda1f210122265ae98220609c88ec58c /drivers/net/ethernet/ti/netcp_core.c | |
| parent | net: phy: phy drivers should not set SUPPORTED_[Asym_]Pause (diff) | |
| download | linux-dev-6246168b4a38357b135d07370464f27d4f3a68ce.tar.xz linux-dev-6246168b4a38357b135d07370464f27d4f3a68ce.zip | |
net: ethernet: ti: netcp: add support of cpts
This patch adds support of the cpts device found in the
gbe and 10gbe ethernet switches on the keystone 2 SoCs
(66AK2E/L/Hx, 66AK2Gx).
Cc: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: WingMan Kwok <w-kwok2@ti.com>
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/ti/netcp_core.c')
| -rw-r--r-- | drivers/net/ethernet/ti/netcp_core.c | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/drivers/net/ethernet/ti/netcp_core.c b/drivers/net/ethernet/ti/netcp_core.c index 7981b99ea06e..c243335ed649 100644 --- a/drivers/net/ethernet/ti/netcp_core.c +++ b/drivers/net/ethernet/ti/netcp_core.c @@ -100,6 +100,11 @@ struct netcp_intf_modpriv { void *module_priv; }; +struct netcp_tx_cb { + void *ts_context; + void (*txtstamp)(void *context, struct sk_buff *skb); +}; + static LIST_HEAD(netcp_devices); static LIST_HEAD(netcp_modules); static DEFINE_MUTEX(netcp_modules_lock); @@ -544,6 +549,7 @@ int netcp_register_rxhook(struct netcp_intf *netcp_priv, int order, return 0; } +EXPORT_SYMBOL_GPL(netcp_register_rxhook); int netcp_unregister_rxhook(struct netcp_intf *netcp_priv, int order, netcp_hook_rtn *hook_rtn, void *hook_data) @@ -566,6 +572,7 @@ int netcp_unregister_rxhook(struct netcp_intf *netcp_priv, int order, return -ENOENT; } +EXPORT_SYMBOL_GPL(netcp_unregister_rxhook); static void netcp_frag_free(bool is_frag, void *ptr) { @@ -730,6 +737,7 @@ static int netcp_process_one_rx_packet(struct netcp_intf *netcp) /* Call each of the RX hooks */ p_info.skb = skb; + skb->dev = netcp->ndev; p_info.rxtstamp_complete = false; list_for_each_entry(rx_hook, &netcp->rxhook_list_head, list) { int ret; @@ -987,6 +995,7 @@ static int netcp_process_tx_compl_packets(struct netcp_intf *netcp, unsigned int budget) { struct knav_dma_desc *desc; + struct netcp_tx_cb *tx_cb; struct sk_buff *skb; unsigned int dma_sz; dma_addr_t dma; @@ -1014,6 +1023,10 @@ static int netcp_process_tx_compl_packets(struct netcp_intf *netcp, continue; } + tx_cb = (struct netcp_tx_cb *)skb->cb; + if (tx_cb->txtstamp) + tx_cb->txtstamp(tx_cb->ts_context, skb); + if (netif_subqueue_stopped(netcp->ndev, skb) && netif_running(netcp->ndev) && (knav_pool_count(netcp->tx_pool) > @@ -1154,6 +1167,7 @@ static int netcp_tx_submit_skb(struct netcp_intf *netcp, struct netcp_tx_pipe *tx_pipe = NULL; struct netcp_hook_list *tx_hook; struct netcp_packet p_info; + struct netcp_tx_cb *tx_cb; unsigned int dma_sz; dma_addr_t dma; u32 tmp = 0; @@ -1164,7 +1178,7 @@ static int netcp_tx_submit_skb(struct netcp_intf *netcp, p_info.tx_pipe = NULL; p_info.psdata_len = 0; p_info.ts_context = NULL; - p_info.txtstamp_complete = NULL; + p_info.txtstamp = NULL; p_info.epib = desc->epib; p_info.psdata = (u32 __force *)desc->psdata; memset(p_info.epib, 0, KNAV_DMA_NUM_EPIB_WORDS * sizeof(__le32)); @@ -1189,6 +1203,10 @@ static int netcp_tx_submit_skb(struct netcp_intf *netcp, goto out; } + tx_cb = (struct netcp_tx_cb *)skb->cb; + tx_cb->ts_context = p_info.ts_context; + tx_cb->txtstamp = p_info.txtstamp; + /* update descriptor */ if (p_info.psdata_len) { /* psdata points to both native-endian and device-endian data */ |