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devlink: Introduce PCI PF and VF port flavour and attribute 

Introduce PCI PF and VF port flavour and port attributes such as PF
number and VF number.

$ devlink port show
pci/0000:05:00.0/0: type eth netdev eth0 flavour pcipf pfnum 0
pci/0000:05:00.0/1: type eth netdev eth1 flavour pcivf pfnum 0 vfnum 0
pci/0000:05:00.0/2: type eth netdev eth2 flavour pcivf pfnum 0 vfnum 1

Signed-off-by: Parav Pandit <parav@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David Ahern <dsahern@gmail.com>
This commit is contained in:
Parav Pandit 2019-07-10 07:39:52 -05:00 committed by David Ahern
parent eb105e0d94
commit 056399399a
1 changed files with 27 additions and 0 deletions
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27
devlink/devlink.c
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@ -2794,11 +2794,29 @@ static const char *port_flavour_name(uint16_t flavour)
return "cpu";
case DEVLINK_PORT_FLAVOUR_DSA:
return "dsa";
case DEVLINK_PORT_FLAVOUR_PCI_PF:
return "pcipf";
case DEVLINK_PORT_FLAVOUR_PCI_VF:
return "pcivf";
default:
return "<unknown flavour>";
}
}
static void pr_out_port_pfvf_num(struct dl *dl, struct nlattr **tb)
{
uint16_t fn_num;
if (tb[DEVLINK_ATTR_PORT_PCI_PF_NUMBER]) {
fn_num = mnl_attr_get_u16(tb[DEVLINK_ATTR_PORT_PCI_PF_NUMBER]);
pr_out_uint(dl, "pfnum", fn_num);
}
if (tb[DEVLINK_ATTR_PORT_PCI_VF_NUMBER]) {
fn_num = mnl_attr_get_u16(tb[DEVLINK_ATTR_PORT_PCI_VF_NUMBER]);
pr_out_uint(dl, "vfnum", fn_num);
}
}
static void pr_out_port(struct dl *dl, struct nlattr **tb)
{
struct nlattr *pt_attr = tb[DEVLINK_ATTR_PORT_TYPE];
@ -2828,6 +2846,15 @@ static void pr_out_port(struct dl *dl, struct nlattr **tb)
mnl_attr_get_u16(tb[DEVLINK_ATTR_PORT_FLAVOUR]);
pr_out_str(dl, "flavour", port_flavour_name(port_flavour));
switch (port_flavour) {
case DEVLINK_PORT_FLAVOUR_PCI_PF:
case DEVLINK_PORT_FLAVOUR_PCI_VF:
pr_out_port_pfvf_num(dl, tb);
break;
default:
break;
}
}
if (tb[DEVLINK_ATTR_PORT_NUMBER]) {
uint32_t port_number;