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net: ethernet: ti: cpsw: don't duplicate common res in rx handler

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No need to duplicate the same function in rx handler to get info
if any interface is running.

Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ivan Khoronzhuk 2017-01-19 18:58:26 +02:00 committed by David S. Miller
parent 03fd01ad0e
commit fe734d0aa9
1 changed files with 16 additions and 24 deletions
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40
drivers/net/ethernet/ti/cpsw.c
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@ -671,6 +671,18 @@ static void cpsw_intr_disable(struct cpsw_common *cpsw)
return; return;
} }
static int cpsw_get_usage_count(struct cpsw_common *cpsw)
{
u32 i;
u32 usage_count = 0;
for (i = 0; i < cpsw->data.slaves; i++)
if (netif_running(cpsw->slaves[i].ndev))
usage_count++;
return usage_count;
}
static void cpsw_tx_handler(void *token, int len, int status) static void cpsw_tx_handler(void *token, int len, int status)
{ {
struct netdev_queue *txq; struct netdev_queue *txq;
@ -703,18 +715,10 @@ static void cpsw_rx_handler(void *token, int len, int status)
cpsw_dual_emac_src_port_detect(cpsw, status, ndev, skb); cpsw_dual_emac_src_port_detect(cpsw, status, ndev, skb);
if (unlikely(status < 0) || unlikely(!netif_running(ndev))) { if (unlikely(status < 0) || unlikely(!netif_running(ndev))) {
bool ndev_status = false; /* In dual emac mode check for all interfaces */
struct cpsw_slave *slave = cpsw->slaves; if (cpsw->data.dual_emac &&
int n; cpsw_get_usage_count(cpsw) &&
(status >= 0)) {
if (cpsw->data.dual_emac) {
/* In dual emac mode check for all interfaces */
for (n = cpsw->data.slaves; n; n--, slave++)
if (netif_running(slave->ndev))
ndev_status = true;
}
if (ndev_status && (status >= 0)) {
/* The packet received is for the interface which /* The packet received is for the interface which
* is already down and the other interface is up * is already down and the other interface is up
* and running, instead of freeing which results * and running, instead of freeing which results
@ -1234,18 +1238,6 @@ static void cpsw_get_ethtool_stats(struct net_device *ndev,
} }
} }
static int cpsw_get_usage_count(struct cpsw_common *cpsw)
{
u32 i;
u32 usage_count = 0;
for (i = 0; i < cpsw->data.slaves; i++)
if (netif_running(cpsw->slaves[i].ndev))
usage_count++;
return usage_count;
}
static inline int cpsw_tx_packet_submit(struct cpsw_priv *priv, static inline int cpsw_tx_packet_submit(struct cpsw_priv *priv,
struct sk_buff *skb, struct sk_buff *skb,
struct cpdma_chan *txch) struct cpdma_chan *txch)