diff options
| author | Ong Boon Leong <boon.leong.ong@intel.com> | 2021-03-26 01:39:12 +0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-03-25 17:37:30 -0700 |
| commit | 7e1c520c0d2028e24cf86df811d41dc4205dc5d4 (patch) | |
| tree | 274524405be1f4bb9e4eff340cd98e8abe2a9b49 /drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | |
| parent | 6c996e19949b34d7edebed4f6b0511145c036404 (diff) | |
net: stmmac: introduce DMA interrupt status masking per traffic direction
In preparation to make stmmac support multi-vector MSI, we introduce the
interrupt status masking according to RX, TX or RXTX. Default to use RXTX
inside stmmac_dma_interrupt(), so there is no run-time logic difference
now.
Signed-off-by: Ong Boon Leong <boon.leong.ong@intel.com>
Signed-off-by: Voon Weifeng <weifeng.voon@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/stmicro/stmmac/stmmac_main.c')
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index 170296820af0..7c352d017eb2 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -2337,10 +2337,10 @@ static bool stmmac_safety_feat_interrupt(struct stmmac_priv *priv) return false; } -static int stmmac_napi_check(struct stmmac_priv *priv, u32 chan) +static int stmmac_napi_check(struct stmmac_priv *priv, u32 chan, u32 dir) { int status = stmmac_dma_interrupt_status(priv, priv->ioaddr, - &priv->xstats, chan); + &priv->xstats, chan, dir); struct stmmac_channel *ch = &priv->channel[chan]; unsigned long flags; @@ -2386,7 +2386,8 @@ static void stmmac_dma_interrupt(struct stmmac_priv *priv) channels_to_check = ARRAY_SIZE(status); for (chan = 0; chan < channels_to_check; chan++) - status[chan] = stmmac_napi_check(priv, chan); + status[chan] = stmmac_napi_check(priv, chan, + DMA_DIR_RXTX); for (chan = 0; chan < tx_channel_count; chan++) { if (unlikely(status[chan] & tx_hard_error_bump_tc)) { |