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Code Issues Releases Wiki Activity

net: sparx5: Move ifh from port to local variable

Browse source 
Currently the ifh is not changed, it is fixed for each frame for each
port that is sent out. Move this on the stack because this ifh needs to
be change based on the frames that are send out. This is needed for PTP
frames.

Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Horatiu Vultur 2022-03-04 12:08:52 +01:00 committed by David S. Miller
parent a972711d89
commit 8f68f53a93
3 changed files with 8 additions and 5 deletions
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2
drivers/net/ethernet/microchip/sparx5/sparx5_main.h
View file

@ -167,7 +167,6 @@ struct sparx5_port {
enum sparx5_port_max_tags max_vlan_tags;
enum sparx5_vlan_port_type vlan_type;
u32 custom_etype;
u32 ifh[IFH_LEN];
bool vlan_aware;
struct hrtimer inj_timer;
};
@ -288,6 +287,7 @@ void sparx5_get_stats64(struct net_device *ndev, struct rtnl_link_stats64 *stats
int sparx_stats_init(struct sparx5 *sparx5);
/* sparx5_netdev.c */
void sparx5_set_port_ifh(void *ifh_hdr, u16 portno);
bool sparx5_netdevice_check(const struct net_device *dev);
struct net_device *sparx5_create_netdev(struct sparx5 *sparx5, u32 portno);
int sparx5_register_netdevs(struct sparx5 *sparx5);

3
drivers/net/ethernet/microchip/sparx5/sparx5_netdev.c
View file

@ -54,7 +54,7 @@ static void __ifh_encode_bitfield(void *ifh, u64 value, u32 pos, u32 width)
ifh_hdr[byte - 5] |= (u8)((encode & 0xFF0000000000) >> 40);
}
static void sparx5_set_port_ifh(void *ifh_hdr, u16 portno)
void sparx5_set_port_ifh(void *ifh_hdr, u16 portno)
{
/* VSTAX.RSV = 1. MSBit must be 1 */
ifh_encode_bitfield(ifh_hdr, 1, VSTAX + 79, 1);
@ -210,7 +210,6 @@ struct net_device *sparx5_create_netdev(struct sparx5 *sparx5, u32 portno)
spx5_port->ndev = ndev;
spx5_port->sparx5 = sparx5;
spx5_port->portno = portno;
sparx5_set_port_ifh(spx5_port->ifh, portno);
ndev->netdev_ops = &sparx5_port_netdev_ops;
ndev->ethtool_ops = &sparx5_ethtool_ops;

8
drivers/net/ethernet/microchip/sparx5/sparx5_packet.c
View file

@ -218,12 +218,16 @@ int sparx5_port_xmit_impl(struct sk_buff *skb, struct net_device *dev)
struct net_device_stats *stats = &dev->stats;
struct sparx5_port *port = netdev_priv(dev);
struct sparx5 *sparx5 = port->sparx5;
u32 ifh[IFH_LEN];
int ret;
memset(ifh, 0, IFH_LEN * 4);
sparx5_set_port_ifh(ifh, port->portno);
if (sparx5->fdma_irq > 0)
ret = sparx5_fdma_xmit(sparx5, port->ifh, skb);
ret = sparx5_fdma_xmit(sparx5, ifh, skb);
else
ret = sparx5_inject(sparx5, port->ifh, skb, dev);
ret = sparx5_inject(sparx5, ifh, skb, dev);
if (ret == NETDEV_TX_OK) {
stats->tx_bytes += skb->len;