| Message ID | 20210228103856.4089-4-dariobin@libero.it |
|---|---|
| State | New |
| Headers | show |
| Series | can: c_can: add support to 64 message objects | expand |
On Sun, 28 Feb 2021 11:38:52 +0100, Dario Binacchi wrote: > According to commit 640916db2bf7 ("can: c_can: Make it SMP safe") let RX use > IF1 (i.e. IF_RX) and TX use IF2 (i.e. IF_TX). > > Signed-off-by: Dario Binacchi <dariobin@libero.it> > --- > > (no changes since v1) > > drivers/net/can/c_can/c_can.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/net/can/c_can/c_can.c b/drivers/net/can/c_can/c_can.c > index dbcc1c1c92d6..69526c3a671c 100644 > --- a/drivers/net/can/c_can/c_can.c > +++ b/drivers/net/can/c_can/c_can.c > @@ -732,7 +732,7 @@ static void c_can_do_tx(struct net_device *dev) > idx--; > pend &= ~(1 << idx); > obj = idx + C_CAN_MSG_OBJ_TX_FIRST; > - c_can_inval_tx_object(dev, IF_RX, obj); > + c_can_inval_tx_object(dev, IF_TX, obj); Right. I had a similar effort last year to increase the reception throughput, but I ended with some sporadic strange tx echo problems. This fix may have fixed my problem as wel. > can_get_echo_skb(dev, idx, NULL); > bytes += priv->dlc[idx]; > pkts++; > -- > 2.17.1 >
Hi Kurt, > Il 02/03/2021 19:44 Kurt Van Dijck <dev.kurt@vandijck-laurijssen.be> ha scritto: > > > On Sun, 28 Feb 2021 11:38:52 +0100, Dario Binacchi wrote: > > According to commit 640916db2bf7 ("can: c_can: Make it SMP safe") let RX use > > IF1 (i.e. IF_RX) and TX use IF2 (i.e. IF_TX). > > > > Signed-off-by: Dario Binacchi <dariobin@libero.it> > > --- > > > > (no changes since v1) > > > > drivers/net/can/c_can/c_can.c | 2 +- > > 1 file changed, 1 insertion(+), 1 deletion(-) > > > > diff --git a/drivers/net/can/c_can/c_can.c b/drivers/net/can/c_can/c_can.c > > index dbcc1c1c92d6..69526c3a671c 100644 > > --- a/drivers/net/can/c_can/c_can.c > > +++ b/drivers/net/can/c_can/c_can.c > > @@ -732,7 +732,7 @@ static void c_can_do_tx(struct net_device *dev) > > idx--; > > pend &= ~(1 << idx); > > obj = idx + C_CAN_MSG_OBJ_TX_FIRST; > > - c_can_inval_tx_object(dev, IF_RX, obj); > > + c_can_inval_tx_object(dev, IF_TX, obj); > > Right. I had a similar effort last year to increase the reception > throughput, but I ended with some sporadic strange tx echo problems. > This fix may have fixed my problem as well. Take a look at https://lore.kernel.org/patchwork/patch/1384649/ Thanks and regards, Dario > > > can_get_echo_skb(dev, idx, NULL); > > bytes += priv->dlc[idx]; > > pkts++; > > -- > > 2.17.1 > >
diff --git a/drivers/net/can/c_can/c_can.c b/drivers/net/can/c_can/c_can.c index dbcc1c1c92d6..69526c3a671c 100644 --- a/drivers/net/can/c_can/c_can.c +++ b/drivers/net/can/c_can/c_can.c @@ -732,7 +732,7 @@ static void c_can_do_tx(struct net_device *dev) idx--; pend &= ~(1 << idx); obj = idx + C_CAN_MSG_OBJ_TX_FIRST; - c_can_inval_tx_object(dev, IF_RX, obj); + c_can_inval_tx_object(dev, IF_TX, obj); can_get_echo_skb(dev, idx, NULL); bytes += priv->dlc[idx]; pkts++;
According to commit 640916db2bf7 ("can: c_can: Make it SMP safe") let RX use IF1 (i.e. IF_RX) and TX use IF2 (i.e. IF_TX). Signed-off-by: Dario Binacchi <dariobin@libero.it> --- (no changes since v1) drivers/net/can/c_can/c_can.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)